diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index cefba6cdf5..8bc8d6852a 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -10,6 +10,7 @@
 
 # Specific directories:
 
-peer/ @anusha-ctrl
-contract-examples/ @anusha-ctrl
-scripts/ @anusha-ctrl
+peer/ @anusha-ctrl @ceyonur @darioush @aaronbuchwald
+contracts/ @anusha-ctrl @ceyonur @darioush @aaronbuchwald
+scripts/ @anusha-ctrl @ceyonur @darioush @aaronbuchwald
+
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7cb6373ac9..f96d9d6d89 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -68,10 +68,10 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: "14.x"
-      - name: Yarn install
-        run: yarn
-        working-directory: ./contract-examples
+          node-version: "18.15"
+      - name: NPM Clean Install
+        run: npm ci
+        working-directory: ./contracts
       - name: Install AvalancheGo Release
         shell: bash
         run: BASEDIR=/tmp/e2e-test AVALANCHEGO_BUILD_PATH=/tmp/e2e-test/avalanchego ./scripts/install_avalanchego_release.sh
@@ -81,3 +81,10 @@ jobs:
       - name: Run E2E Tests
         shell: bash
         run: AVALANCHEGO_BUILD_PATH=/tmp/e2e-test/avalanchego DATA_DIR=/tmp/e2e-test/data ./scripts/run_ginkgo.sh
+      - name: Upload Artifact
+        if: always()
+        uses: actions/upload-artifact@v3
+        with:
+          name: subnet-evm-e2e-logs
+          path: /tmp/network-runner-root-data*/
+          retention-days: 5
diff --git a/README.md b/README.md
index 17d5636228..8b02ff1220 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ var privateKey2 = "31b571bf6894a248831ff937bb49f7754509fe93bbd2517c9c73c4144c0e9
 Each blockchain is an instance of a Virtual Machine (VM), much like an object in an object-oriented language is an instance of a class.
 That is, the VM defines the behavior of the blockchain.
 
-Subnet EVM is the [Virtual Machine (VM)](https://docs.avax.network/overview/getting-started/avalanche-platform/#virtual-machines) that defines the Subnet Contract Chains. Subnet EVM is a simplified version of [Coreth VM (C-Chain)](https://github.com/ava-labs/coreth).
+Subnet EVM is the [Virtual Machine (VM)](https://docs.avax.network/learn/avalanche/virtual-machines) that defines the Subnet Contract Chains. Subnet EVM is a simplified version of [Coreth VM (C-Chain)](https://github.com/ava-labs/coreth).
 
 This chain implements the Ethereum Virtual Machine and supports Solidity smart contracts as well as most other Ethereum client functionality.
 
@@ -59,7 +59,10 @@ The Subnet EVM runs in a separate process from the main AvalancheGo process and
 [v0.4.11] AvalancheGo@v1.9.10-v1.9.16 (Protocol Version: 24)
 [v0.4.12] AvalancheGo@v1.9.10-v1.9.16 (Protocol Version: 24)
 [v0.5.0] AvalancheGo@v1.10.0 (Protocol Version: 25)
-[v0.5.1] AvalancheGo@v1.10.1 (Protocol Version: 26)
+[v0.5.1] AvalancheGo@v1.10.1-v1.10.4 (Protocol Version: 26)
+[v0.5.2] AvalancheGo@v1.10.1-v1.10.4 (Protocol Version: 26)
+[v0.5.3] AvalancheGo@v1.10.5-v1.10.6 (Protocol Version: 27)
+[v0.5.4] AvalancheGo@v1.10.5-v1.10.6 (Protocol Version: 27)
 ```
 
 ## API
diff --git a/accounts/abi/abi.go b/accounts/abi/abi.go
index 2da42277a1..34cb581c0b 100644
--- a/accounts/abi/abi.go
+++ b/accounts/abi/abi.go
@@ -182,7 +182,7 @@ func (abi ABI) getArguments(name string, data []byte) (Arguments, error) {
 	var args Arguments
 	if method, ok := abi.Methods[name]; ok {
 		if len(data)%32 != 0 {
-			return nil, fmt.Errorf("abi: improperly formatted output: %s - Bytes: [%+v]", string(data), data)
+			return nil, fmt.Errorf("abi: improperly formatted output: %q - Bytes: %+v", data, data)
 		}
 		args = method.Outputs
 	}
diff --git a/accounts/abi/abi_test.go b/accounts/abi/abi_test.go
index ac97ad98bb..b66ad800ca 100644
--- a/accounts/abi/abi_test.go
+++ b/accounts/abi/abi_test.go
@@ -738,12 +738,12 @@ func TestBareEvents(t *testing.T) {
 // TestUnpackEvent is based on this contract:
 //
 //	contract T {
-//	  event received(address sender, uint amount, bytes memo);
-//	  event receivedAddr(address sender);
-//	  function receive(bytes memo) external payable {
-//	    received(msg.sender, msg.value, memo);
-//	    receivedAddr(msg.sender);
-//	  }
+//		event received(address sender, uint amount, bytes memo);
+//		event receivedAddr(address sender);
+//		function receive(bytes memo) external payable {
+//			received(msg.sender, msg.value, memo);
+//			receivedAddr(msg.sender);
+//		}
 //	}
 //
 // When receive("X") is called with sender 0x00... and value 1, it produces this tx receipt:
diff --git a/accounts/abi/bind/backends/simulated.go b/accounts/abi/bind/backends/simulated.go
index d71be6ca53..34de771fb8 100644
--- a/accounts/abi/bind/backends/simulated.go
+++ b/accounts/abi/bind/backends/simulated.go
@@ -107,13 +107,18 @@ type SimulatedBackend struct {
 // and uses a simulated blockchain for testing purposes.
 // A simulated backend always uses chainID 1337.
 func NewSimulatedBackendWithDatabase(database ethdb.Database, alloc core.GenesisAlloc, gasLimit uint64) *SimulatedBackend {
-	cpcfg := params.TestChainConfig
-	cpcfg.ChainID = big.NewInt(1337)
-	genesis := core.Genesis{Config: cpcfg, GasLimit: gasLimit, Alloc: alloc}
-	genesis.MustCommit(database)
+	copyConfig := *params.TestChainConfig
+	copyConfig.ChainID = big.NewInt(1337)
+	genesis := core.Genesis{
+		Config:   &copyConfig,
+		GasLimit: gasLimit,
+		Alloc:    alloc,
+	}
 	cacheConfig := &core.CacheConfig{}
-	blockchain, _ := core.NewBlockChain(database, cacheConfig, genesis.Config, dummy.NewCoinbaseFaker(), vm.Config{}, common.Hash{})
-
+	blockchain, err := core.NewBlockChain(database, cacheConfig, &genesis, dummy.NewCoinbaseFaker(), vm.Config{}, common.Hash{}, false)
+	if err != nil {
+		panic(fmt.Sprintf("failed to create simulated blockchain: %v", err))
+	}
 	backend := &SimulatedBackend{
 		database:   database,
 		blockchain: blockchain,
@@ -122,9 +127,12 @@ func NewSimulatedBackendWithDatabase(database ethdb.Database, alloc core.Genesis
 
 	filterBackend := &filterBackend{database, blockchain, backend}
 	backend.filterSystem = filters.NewFilterSystem(filterBackend, filters.Config{})
-	backend.events = filters.NewEventSystem(backend.filterSystem, false)
+	backend.events = filters.NewEventSystem(backend.filterSystem)
 
-	backend.rollback(blockchain.CurrentBlock())
+	header := backend.blockchain.CurrentBlock()
+	block := backend.blockchain.GetBlock(header.Hash(), header.Number.Uint64())
+
+	backend.rollback(block)
 	return backend
 }
 
@@ -170,7 +178,10 @@ func (b *SimulatedBackend) Rollback() {
 	b.mu.Lock()
 	defer b.mu.Unlock()
 
-	b.rollback(b.blockchain.CurrentBlock())
+	header := b.blockchain.CurrentBlock()
+	block := b.blockchain.GetBlock(header.Hash(), header.Number.Uint64())
+
+	b.rollback(block)
 }
 
 func (b *SimulatedBackend) rollback(parent *types.Block) {
@@ -209,7 +220,7 @@ func (b *SimulatedBackend) Fork(ctx context.Context, parent common.Hash) error {
 
 // stateByBlockNumber retrieves a state by a given blocknumber.
 func (b *SimulatedBackend) stateByBlockNumber(ctx context.Context, blockNumber *big.Int) (*state.StateDB, error) {
-	if blockNumber == nil || blockNumber.Cmp(b.blockchain.CurrentBlock().Number()) == 0 {
+	if blockNumber == nil || blockNumber.Cmp(b.blockchain.CurrentBlock().Number) == 0 {
 		return b.blockchain.State()
 	}
 	block, err := b.blockByNumber(ctx, blockNumber)
@@ -338,7 +349,7 @@ func (b *SimulatedBackend) BlockByNumber(ctx context.Context, number *big.Int) (
 // (associated with its hash) if found without Lock.
 func (b *SimulatedBackend) blockByNumber(ctx context.Context, number *big.Int) (*types.Block, error) {
 	if number == nil || number.Cmp(b.acceptedBlock.Number()) == 0 {
-		return b.blockchain.CurrentBlock(), nil
+		return b.blockByHash(ctx, b.blockchain.CurrentBlock().Hash())
 	}
 
 	block := b.blockchain.GetBlockByNumber(uint64(number.Int64()))
@@ -466,7 +477,7 @@ func (b *SimulatedBackend) CallContract(ctx context.Context, call interfaces.Cal
 	b.mu.Lock()
 	defer b.mu.Unlock()
 
-	if blockNumber != nil && blockNumber.Cmp(b.blockchain.CurrentBlock().Number()) != 0 {
+	if blockNumber != nil && blockNumber.Cmp(b.blockchain.CurrentBlock().Number) != 0 {
 		return nil, errBlockNumberUnsupported
 	}
 	stateDB, err := b.blockchain.State()
@@ -490,7 +501,7 @@ func (b *SimulatedBackend) AcceptedCallContract(ctx context.Context, call interf
 	defer b.mu.Unlock()
 	defer b.acceptedState.RevertToSnapshot(b.acceptedState.Snapshot())
 
-	res, err := b.callContract(ctx, call, b.acceptedBlock, b.acceptedState)
+	res, err := b.callContract(ctx, call, b.acceptedBlock.Header(), b.acceptedState)
 	if err != nil {
 		return nil, err
 	}
@@ -562,7 +573,7 @@ func (b *SimulatedBackend) EstimateGas(ctx context.Context, call interfaces.Call
 		available := new(big.Int).Set(balance)
 		if call.Value != nil {
 			if call.Value.Cmp(available) >= 0 {
-				return 0, errors.New("insufficient funds for transfer")
+				return 0, core.ErrInsufficientFundsForTransfer
 			}
 			available.Sub(available, call.Value)
 		}
@@ -584,7 +595,7 @@ func (b *SimulatedBackend) EstimateGas(ctx context.Context, call interfaces.Call
 		call.Gas = gas
 
 		snapshot := b.acceptedState.Snapshot()
-		res, err := b.callContract(ctx, call, b.acceptedBlock, b.acceptedState)
+		res, err := b.callContract(ctx, call, b.acceptedBlock.Header(), b.acceptedState)
 		b.acceptedState.RevertToSnapshot(snapshot)
 
 		if err != nil {
@@ -599,7 +610,6 @@ func (b *SimulatedBackend) EstimateGas(ctx context.Context, call interfaces.Call
 	for lo+1 < hi {
 		mid := (hi + lo) / 2
 		failed, _, err := executable(mid)
-
 		// If the error is not nil(consensus error), it means the provided message
 		// call or transaction will never be accepted no matter how much gas it is
 		// assigned. Return the error directly, don't struggle any more
@@ -634,13 +644,13 @@ func (b *SimulatedBackend) EstimateGas(ctx context.Context, call interfaces.Call
 
 // callContract implements common code between normal and pending contract calls.
 // state is modified during execution, make sure to copy it if necessary.
-func (b *SimulatedBackend) callContract(ctx context.Context, call interfaces.CallMsg, block *types.Block, stateDB *state.StateDB) (*core.ExecutionResult, error) {
+func (b *SimulatedBackend) callContract(ctx context.Context, call interfaces.CallMsg, header *types.Header, stateDB *state.StateDB) (*core.ExecutionResult, error) {
 	// Gas prices post 1559 need to be initialized
 	if call.GasPrice != nil && (call.GasFeeCap != nil || call.GasTipCap != nil) {
 		return nil, errors.New("both gasPrice and (maxFeePerGas or maxPriorityFeePerGas) specified")
 	}
 	head := b.blockchain.CurrentHeader()
-	if !b.blockchain.Config().IsSubnetEVM(new(big.Int).SetUint64(head.Time)) {
+	if !b.blockchain.Config().IsSubnetEVM(head.Time) {
 		// If there's no basefee, then it must be a non-1559 execution
 		if call.GasPrice == nil {
 			call.GasPrice = new(big.Int)
@@ -673,20 +683,33 @@ func (b *SimulatedBackend) callContract(ctx context.Context, call interfaces.Cal
 	if call.Value == nil {
 		call.Value = new(big.Int)
 	}
+
 	// Set infinite balance to the fake caller account.
 	from := stateDB.GetOrNewStateObject(call.From)
 	from.SetBalance(math.MaxBig256)
+
 	// Execute the call.
-	msg := callMsg{call}
+	msg := &core.Message{
+		From:              call.From,
+		To:                call.To,
+		Value:             call.Value,
+		GasLimit:          call.Gas,
+		GasPrice:          call.GasPrice,
+		GasFeeCap:         call.GasFeeCap,
+		GasTipCap:         call.GasTipCap,
+		Data:              call.Data,
+		AccessList:        call.AccessList,
+		SkipAccountChecks: true,
+	}
 
-	txContext := core.NewEVMTxContext(msg)
-	evmContext := core.NewEVMBlockContext(block.Header(), b.blockchain, nil)
 	// Create a new environment which holds all relevant information
 	// about the transaction and calling mechanisms.
+	txContext := core.NewEVMTxContext(msg)
+	evmContext := core.NewEVMBlockContext(header, b.blockchain, nil)
 	vmEnv := vm.NewEVM(evmContext, txContext, stateDB, b.config, vm.Config{NoBaseFee: true})
 	gasPool := new(core.GasPool).AddGas(math.MaxUint64)
 
-	return core.NewStateTransition(vmEnv, msg, gasPool).TransitionDb()
+	return core.ApplyMessage(vmEnv, msg, gasPool)
 }
 
 // SendTransaction updates the pending block to include the given transaction.
@@ -830,8 +853,12 @@ func (b *SimulatedBackend) AdjustTime(adjustment time.Duration) error {
 	if len(b.acceptedBlock.Transactions()) != 0 {
 		return errors.New("Could not adjust time on non-empty block")
 	}
+	block := b.blockchain.GetBlockByHash(b.acceptedBlock.ParentHash())
+	if block == nil {
+		return fmt.Errorf("could not find parent")
+	}
 
-	blocks, _, _ := core.GenerateChain(b.config, b.blockchain.CurrentBlock(), dummy.NewFaker(), b.database, 1, 10, func(number int, block *core.BlockGen) {
+	blocks, _, _ := core.GenerateChain(b.config, block, dummy.NewFaker(), b.database, 1, 10, func(number int, block *core.BlockGen) {
 		block.OffsetTime(int64(adjustment.Seconds()))
 	})
 	stateDB, _ := b.blockchain.State()
@@ -847,23 +874,6 @@ func (b *SimulatedBackend) Blockchain() *core.BlockChain {
 	return b.blockchain
 }
 
-// callMsg implements core.Message to allow passing it as a transaction simulator.
-type callMsg struct {
-	interfaces.CallMsg
-}
-
-func (m callMsg) From() common.Address         { return m.CallMsg.From }
-func (m callMsg) Nonce() uint64                { return 0 }
-func (m callMsg) IsFake() bool                 { return true }
-func (m callMsg) To() *common.Address          { return m.CallMsg.To }
-func (m callMsg) GasPrice() *big.Int           { return m.CallMsg.GasPrice }
-func (m callMsg) GasFeeCap() *big.Int          { return m.CallMsg.GasFeeCap }
-func (m callMsg) GasTipCap() *big.Int          { return m.CallMsg.GasTipCap }
-func (m callMsg) Gas() uint64                  { return m.CallMsg.Gas }
-func (m callMsg) Value() *big.Int              { return m.CallMsg.Value }
-func (m callMsg) Data() []byte                 { return m.CallMsg.Data }
-func (m callMsg) AccessList() types.AccessList { return m.CallMsg.AccessList }
-
 // filterBackend implements filters.Backend to support filtering for logs without
 // taking bloom-bits acceleration structures into account.
 type filterBackend struct {
@@ -900,17 +910,31 @@ func (fb *filterBackend) ChainDb() ethdb.Database { return fb.db }
 
 func (fb *filterBackend) EventMux() *event.TypeMux { panic("not supported") }
 
-func (fb *filterBackend) HeaderByNumber(ctx context.Context, block rpc.BlockNumber) (*types.Header, error) {
-	if block == rpc.LatestBlockNumber {
+func (fb *filterBackend) HeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Header, error) {
+	switch number {
+	case rpc.PendingBlockNumber, rpc.AcceptedBlockNumber:
+		if block := fb.backend.acceptedBlock; block != nil {
+			return block.Header(), nil
+		}
+		return nil, nil
+	case rpc.LatestBlockNumber:
 		return fb.bc.CurrentHeader(), nil
+	default:
+		return fb.bc.GetHeaderByNumber(uint64(number.Int64())), nil
 	}
-	return fb.bc.GetHeaderByNumber(uint64(block.Int64())), nil
 }
 
 func (fb *filterBackend) HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error) {
 	return fb.bc.GetHeaderByHash(hash), nil
 }
 
+func (fb *filterBackend) GetBody(ctx context.Context, hash common.Hash, number rpc.BlockNumber) (*types.Body, error) {
+	if body := fb.bc.GetBody(hash); body != nil {
+		return body, nil
+	}
+	return nil, errors.New("block body not found")
+}
+
 func (fb *filterBackend) GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error) {
 	number := rawdb.ReadHeaderNumber(fb.db, hash)
 	if number == nil {
@@ -950,6 +974,14 @@ func (fb *filterBackend) ServiceFilter(ctx context.Context, ms *bloombits.Matche
 	panic("not supported")
 }
 
+func (fb *filterBackend) ChainConfig() *params.ChainConfig {
+	panic("not supported")
+}
+
+func (fb *filterBackend) CurrentHeader() *types.Header {
+	panic("not supported")
+}
+
 func nullSubscription() event.Subscription {
 	return event.NewSubscription(func(quit <-chan struct{}) error {
 		<-quit
diff --git a/accounts/abi/bind/backends/simulated_test.go b/accounts/abi/bind/backends/simulated_test.go
index 7598010a99..603e7ae884 100644
--- a/accounts/abi/bind/backends/simulated_test.go
+++ b/accounts/abi/bind/backends/simulated_test.go
@@ -104,7 +104,8 @@ func TestSimulatedBackend(t *testing.T) {
 
 var testKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
 
-//	 the following is based on this contract:
+// the following is based on this contract:
+//
 //	 contract T {
 //	 	event received(address sender, uint amount, bytes memo);
 //	 	event receivedAddr(address sender);
@@ -112,7 +113,7 @@ var testKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d
 //	 	function receive(bytes calldata memo) external payable returns (string memory res) {
 //	 		emit received(msg.sender, msg.value, memo);
 //	 		emit receivedAddr(msg.sender);
-//			    return "hello world";
+//			return "hello world";
 //	 	}
 //	 }
 const abiJSON = `[ { "constant": false, "inputs": [ { "name": "memo", "type": "bytes" } ], "name": "receive", "outputs": [ { "name": "res", "type": "string" } ], "payable": true, "stateMutability": "payable", "type": "function" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "sender", "type": "address" }, { "indexed": false, "name": "amount", "type": "uint256" }, { "indexed": false, "name": "memo", "type": "bytes" } ], "name": "received", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "sender", "type": "address" } ], "name": "receivedAddr", "type": "event" } ]`
@@ -136,14 +137,6 @@ func TestNewSimulatedBackend(t *testing.T) {
 	sim := simTestBackend(testAddr)
 	defer sim.Close()
 
-	if sim.config != params.TestChainConfig {
-		t.Errorf("expected sim config to equal params.AllEthashProtocolChanges, got %v", sim.config)
-	}
-
-	if sim.blockchain.Config() != params.TestChainConfig {
-		t.Errorf("expected sim blockchain config to equal params.AllEthashProtocolChanges, got %v", sim.config)
-	}
-
 	stateDB, _ := sim.blockchain.State()
 	bal := stateDB.GetBalance(testAddr)
 	if bal.Cmp(expectedBal) != 0 {
@@ -433,12 +426,13 @@ func TestEstimateGas(t *testing.T) {
 	/*
 		pragma solidity ^0.6.4;
 		contract GasEstimation {
-		    function PureRevert() public { revert(); }
-		    function Revert() public { revert("revert reason");}
-		    function OOG() public { for (uint i = 0; ; i++) {}}
-		    function Assert() public { assert(false);}
-		    function Valid() public {}
-		}*/
+			function PureRevert() public { revert(); }
+			function Revert() public { revert("revert reason");}
+			function OOG() public { for (uint i = 0; ; i++) {}}
+			function Assert() public { assert(false);}
+			function Valid() public {}
+		}
+	*/
 	const contractAbi = "[{\"inputs\":[],\"name\":\"Assert\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"OOG\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"PureRevert\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"Revert\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"Valid\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]"
 	const contractBin = "0x60806040523480156100115760006000fd5b50610017565b61016e806100266000396000f3fe60806040523480156100115760006000fd5b506004361061005c5760003560e01c806350f6fe3414610062578063aa8b1d301461006c578063b9b046f914610076578063d8b9839114610080578063e09fface1461008a5761005c565b60006000fd5b61006a610094565b005b6100746100ad565b005b61007e6100b5565b005b6100886100c2565b005b610092610135565b005b6000600090505b5b808060010191505061009b565b505b565b60006000fd5b565b600015156100bf57fe5b5b565b6040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252600d8152602001807f72657665727420726561736f6e0000000000000000000000000000000000000081526020015060200191505060405180910390fd5b565b5b56fea2646970667358221220345bbcbb1a5ecf22b53a78eaebf95f8ee0eceff6d10d4b9643495084d2ec934a64736f6c63430006040033"
 
@@ -1079,27 +1073,27 @@ func TestPendingAndCallContract(t *testing.T) {
 // This test is based on the following contract:
 /*
 contract Reverter {
-    function revertString() public pure{
-        require(false, "some error");
-    }
-    function revertNoString() public pure {
-        require(false, "");
-    }
-    function revertASM() public pure {
-        assembly {
-            revert(0x0, 0x0)
-        }
-    }
-    function noRevert() public pure {
-        assembly {
-            // Assembles something that looks like require(false, "some error") but is not reverted
-            mstore(0x0, 0x08c379a000000000000000000000000000000000000000000000000000000000)
-            mstore(0x4, 0x0000000000000000000000000000000000000000000000000000000000000020)
-            mstore(0x24, 0x000000000000000000000000000000000000000000000000000000000000000a)
-            mstore(0x44, 0x736f6d65206572726f7200000000000000000000000000000000000000000000)
-            return(0x0, 0x64)
-        }
-    }
+	function revertString() public pure{
+		require(false, "some error");
+	}
+	function revertNoString() public pure {
+		require(false, "");
+	}
+	function revertASM() public pure {
+		assembly {
+			revert(0x0, 0x0)
+		}
+	}
+	function noRevert() public pure {
+		assembly {
+			// Assembles something that looks like require(false, "some error") but is not reverted
+			mstore(0x0, 0x08c379a000000000000000000000000000000000000000000000000000000000)
+			mstore(0x4, 0x0000000000000000000000000000000000000000000000000000000000000020)
+			mstore(0x24, 0x000000000000000000000000000000000000000000000000000000000000000a)
+			mstore(0x44, 0x736f6d65206572726f7200000000000000000000000000000000000000000000)
+			return(0x0, 0x64)
+		}
+	}
 }*/
 func TestCallContractRevert(t *testing.T) {
 	testAddr := crypto.PubkeyToAddress(testKey.PublicKey)
@@ -1208,7 +1202,7 @@ func TestFork(t *testing.T) {
 		sim.Commit(false)
 	}
 	// 3.
-	if sim.blockchain.CurrentBlock().NumberU64() != uint64(n) {
+	if sim.blockchain.CurrentBlock().Number.Uint64() != uint64(n) {
 		t.Error("wrong chain length")
 	}
 	// 4.
@@ -1218,7 +1212,7 @@ func TestFork(t *testing.T) {
 		sim.Commit(false)
 	}
 	// 6.
-	if sim.blockchain.CurrentBlock().NumberU64() != uint64(n+1) {
+	if sim.blockchain.CurrentBlock().Number.Uint64() != uint64(n+1) {
 		t.Error("wrong chain length")
 	}
 }
@@ -1226,11 +1220,11 @@ func TestFork(t *testing.T) {
 /*
 Example contract to test event emission:
 
-pragma solidity >=0.7.0 <0.9.0;
-contract Callable {
-    event Called();
-    function Call() public { emit Called(); }
-}
+	pragma solidity >=0.7.0 <0.9.0;
+	contract Callable {
+		event Called();
+		function Call() public { emit Called(); }
+	}
 */
 // The fork tests are commented out because transactions are not indexed in subnet-evm until they are marked
 // as accepted, which breaks the logic of these tests.
@@ -1250,7 +1244,7 @@ contract Callable {
 // //  7. Mine two blocks to trigger a reorg.
 // //  8. Check that the event was removed.
 // //  9. Re-send the transaction and mine a block.
-// // 10. Check that the event was reborn.
+// //  10. Check that the event was reborn.
 // func TestForkLogsReborn(t *testing.T) {
 // 	testAddr := crypto.PubkeyToAddress(testKey.PublicKey)
 // 	sim := simTestBackend(testAddr)
@@ -1366,7 +1360,7 @@ func TestCommitReturnValue(t *testing.T) {
 	sim := simTestBackend(testAddr)
 	defer sim.Close()
 
-	startBlockHeight := sim.blockchain.CurrentBlock().NumberU64()
+	startBlockHeight := sim.blockchain.CurrentBlock().Number.Uint64()
 
 	// Test if Commit returns the correct block hash
 	h1 := sim.Commit(true)
@@ -1399,3 +1393,23 @@ func TestCommitReturnValue(t *testing.T) {
 		t.Error("Could not retrieve the just created block (side-chain)")
 	}
 }
+
+// TestAdjustTimeAfterFork ensures that after a fork, AdjustTime uses the pending fork
+// block's parent rather than the canonical head's parent.
+func TestAdjustTimeAfterFork(t *testing.T) {
+	testAddr := crypto.PubkeyToAddress(testKey.PublicKey)
+	sim := simTestBackend(testAddr)
+	defer sim.Close()
+
+	sim.Commit(false) // h1
+	h1 := sim.blockchain.CurrentHeader().Hash()
+	sim.Commit(false) // h2
+	sim.Fork(context.Background(), h1)
+	sim.AdjustTime(1 * time.Second)
+	sim.Commit(false)
+
+	head := sim.blockchain.CurrentHeader()
+	if head.Number == common.Big2 && head.ParentHash != h1 {
+		t.Errorf("failed to build block on fork")
+	}
+}
diff --git a/accounts/abi/bind/base.go b/accounts/abi/bind/base.go
index 536e01de64..ab721c41e3 100644
--- a/accounts/abi/bind/base.go
+++ b/accounts/abi/bind/base.go
@@ -42,6 +42,8 @@ import (
 	"github.com/ethereum/go-ethereum/event"
 )
 
+const basefeeWiggleMultiplier = 2
+
 var (
 	errNoEventSignature       = errors.New("no event signature")
 	errEventSignatureMismatch = errors.New("event signature mismatch")
@@ -269,7 +271,7 @@ func (c *BoundContract) createDynamicTx(opts *TransactOpts, contract *common.Add
 	if gasFeeCap == nil {
 		gasFeeCap = new(big.Int).Add(
 			gasTipCap,
-			new(big.Int).Mul(head.BaseFee, big.NewInt(2)),
+			new(big.Int).Mul(head.BaseFee, big.NewInt(basefeeWiggleMultiplier)),
 		)
 	}
 	if gasFeeCap.Cmp(gasTipCap) < 0 {
@@ -386,6 +388,8 @@ func (c *BoundContract) transact(opts *TransactOpts, contract *common.Address, i
 	)
 	if opts.GasPrice != nil {
 		rawTx, err = c.createLegacyTx(opts, contract, input)
+	} else if opts.GasFeeCap != nil && opts.GasTipCap != nil {
+		rawTx, err = c.createDynamicTx(opts, contract, input, nil)
 	} else {
 		// Only query for basefee if gasPrice not specified
 		if head, errHead := c.transactor.HeaderByNumber(ensureContext(opts.Context), nil); errHead != nil {
diff --git a/accounts/abi/bind/bind.go b/accounts/abi/bind/bind.go
index 31e230b708..f40dcbea04 100644
--- a/accounts/abi/bind/bind.go
+++ b/accounts/abi/bind/bind.go
@@ -32,7 +32,6 @@ package bind
 
 import (
 	"bytes"
-	"errors"
 	"fmt"
 	"go/format"
 	"regexp"
@@ -52,8 +51,6 @@ type Lang int
 
 const (
 	LangGo Lang = iota
-	LangJava
-	LangObjC
 )
 
 func isKeyWord(arg string) bool {
@@ -238,11 +235,6 @@ func BindHelper(types []string, abis []string, bytecodes []string, fsigs []map[s
 		if evmABI.HasReceive() {
 			receive = &TmplMethod{Original: evmABI.Receive}
 		}
-		// There is no easy way to pass arbitrary java objects to the Go side.
-		if len(structs) > 0 && lang == LangJava {
-			return "", errors.New("java binding for tuple arguments is not supported yet")
-		}
-
 		contracts[types[i]] = &TmplContract{
 			Type:        capitalise(types[i]),
 			InputABI:    strings.ReplaceAll(strippedABI, "\"", "\\\""),
@@ -310,7 +302,6 @@ func BindHelper(types []string, abis []string, bytecodes []string, fsigs []map[s
 		"namedtype":     namedType[lang],
 		"capitalise":    capitalise,
 		"decapitalise":  decapitalise,
-		"convertToNil":  convertToNil,
 		"mkList":        mkList,
 	}
 
@@ -334,8 +325,7 @@ func BindHelper(types []string, abis []string, bytecodes []string, fsigs []map[s
 // bindType is a set of type binders that convert Solidity types to some supported
 // programming language types.
 var bindType = map[Lang]func(kind abi.Type, structs map[string]*TmplStruct) string{
-	LangGo:   bindTypeGo,
-	LangJava: bindTypeJava,
+	LangGo: bindTypeGo,
 }
 
 // bindBasicTypeGo converts basic solidity types(except array, slice and tuple) to Go ones.
@@ -378,86 +368,10 @@ func bindTypeGo(kind abi.Type, structs map[string]*TmplStruct) string {
 	}
 }
 
-// bindBasicTypeJava converts basic solidity types(except array, slice and tuple) to Java ones.
-func bindBasicTypeJava(kind abi.Type) string {
-	switch kind.T {
-	case abi.AddressTy:
-		return "Address"
-	case abi.IntTy, abi.UintTy:
-		// Note that uint and int (without digits) are also matched,
-		// these are size 256, and will translate to BigInt (the default).
-		parts := regexp.MustCompile(`(u)?int([0-9]*)`).FindStringSubmatch(kind.String())
-		if len(parts) != 3 {
-			return kind.String()
-		}
-		// All unsigned integers should be translated to BigInt since gomobile doesn't
-		// support them.
-		if parts[1] == "u" {
-			return "BigInt"
-		}
-
-		namedSize := map[string]string{
-			"8":  "byte",
-			"16": "short",
-			"32": "int",
-			"64": "long",
-		}[parts[2]]
-
-		// default to BigInt
-		if namedSize == "" {
-			namedSize = "BigInt"
-		}
-		return namedSize
-	case abi.FixedBytesTy, abi.BytesTy:
-		return "byte[]"
-	case abi.BoolTy:
-		return "boolean"
-	case abi.StringTy:
-		return "String"
-	case abi.FunctionTy:
-		return "byte[24]"
-	default:
-		return kind.String()
-	}
-}
-
-// pluralizeJavaType explicitly converts multidimensional types to predefined
-// types in go side.
-func pluralizeJavaType(typ string) string {
-	switch typ {
-	case "boolean":
-		return "Bools"
-	case "String":
-		return "Strings"
-	case "Address":
-		return "Addresses"
-	case "byte[]":
-		return "Binaries"
-	case "BigInt":
-		return "BigInts"
-	}
-	return typ + "[]"
-}
-
-// bindTypeJava converts a Solidity type to a Java one. Since there is no clear mapping
-// from all Solidity types to Java ones (e.g. uint17), those that cannot be exactly
-// mapped will use an upscaled type (e.g. BigDecimal).
-func bindTypeJava(kind abi.Type, structs map[string]*TmplStruct) string {
-	switch kind.T {
-	case abi.TupleTy:
-		return structs[kind.TupleRawName+kind.String()].Name
-	case abi.ArrayTy, abi.SliceTy:
-		return pluralizeJavaType(bindTypeJava(*kind.Elem, structs))
-	default:
-		return bindBasicTypeJava(kind)
-	}
-}
-
 // bindTopicType is a set of type binders that convert Solidity types to some
 // supported programming language topic types.
 var bindTopicType = map[Lang]func(kind abi.Type, structs map[string]*TmplStruct) string{
-	LangGo:   bindTopicTypeGo,
-	LangJava: bindTopicTypeJava,
+	LangGo: bindTopicTypeGo,
 }
 
 // bindTopicTypeGo converts a Solidity topic type to a Go one. It is almost the same
@@ -477,28 +391,10 @@ func bindTopicTypeGo(kind abi.Type, structs map[string]*TmplStruct) string {
 	return bound
 }
 
-// bindTopicTypeJava converts a Solidity topic type to a Java one. It is almost the same
-// functionality as for simple types, but dynamic types get converted to hashes.
-func bindTopicTypeJava(kind abi.Type, structs map[string]*TmplStruct) string {
-	bound := bindTypeJava(kind, structs)
-
-	// todo(rjl493456442) according solidity documentation, indexed event
-	// parameters that are not value types i.e. arrays and structs are not
-	// stored directly but instead a keccak256-hash of an encoding is stored.
-	//
-	// We only convert strings and bytes to hash, still need to deal with
-	// array(both fixed-size and dynamic-size) and struct.
-	if bound == "String" || bound == "byte[]" {
-		bound = "Hash"
-	}
-	return bound
-}
-
 // bindStructType is a set of type binders that convert Solidity tuple types to some supported
 // programming language struct definition.
 var bindStructType = map[Lang]func(kind abi.Type, structs map[string]*TmplStruct) string{
-	LangGo:   bindStructTypeGo,
-	LangJava: bindStructTypeJava,
+	LangGo: bindStructTypeGo,
 }
 
 // bindStructTypeGo converts a Solidity tuple type to a Go one and records the mapping
@@ -547,74 +443,10 @@ func bindStructTypeGo(kind abi.Type, structs map[string]*TmplStruct) string {
 	}
 }
 
-// bindStructTypeJava converts a Solidity tuple type to a Java one and records the mapping
-// in the given map.
-// Notably, this function will resolve and record nested struct recursively.
-func bindStructTypeJava(kind abi.Type, structs map[string]*TmplStruct) string {
-	switch kind.T {
-	case abi.TupleTy:
-		// We compose a raw struct name and a canonical parameter expression
-		// together here. The reason is before solidity v0.5.11, kind.TupleRawName
-		// is empty, so we use canonical parameter expression to distinguish
-		// different struct definition. From the consideration of backward
-		// compatibility, we concat these two together so that if kind.TupleRawName
-		// is not empty, it can have unique id.
-		id := kind.TupleRawName + kind.String()
-		if s, exist := structs[id]; exist {
-			return s.Name
-		}
-		var fields []*tmplField
-		for i, elem := range kind.TupleElems {
-			field := bindStructTypeJava(*elem, structs)
-			fields = append(fields, &tmplField{Type: field, Name: decapitalise(kind.TupleRawNames[i]), SolKind: *elem})
-		}
-		name := kind.TupleRawName
-		if name == "" {
-			name = fmt.Sprintf("Class%d", len(structs))
-		}
-		structs[id] = &TmplStruct{
-			Name:   name,
-			Fields: fields,
-		}
-		return name
-	case abi.ArrayTy, abi.SliceTy:
-		return pluralizeJavaType(bindStructTypeJava(*kind.Elem, structs))
-	default:
-		return bindBasicTypeJava(kind)
-	}
-}
-
 // namedType is a set of functions that transform language specific types to
 // named versions that may be used inside method names.
 var namedType = map[Lang]func(string, abi.Type) string{
-	LangGo:   func(string, abi.Type) string { panic("this shouldn't be needed") },
-	LangJava: namedTypeJava,
-}
-
-// namedTypeJava converts some primitive data types to named variants that can
-// be used as parts of method names.
-func namedTypeJava(javaKind string, solKind abi.Type) string {
-	switch javaKind {
-	case "byte[]":
-		return "Binary"
-	case "boolean":
-		return "Bool"
-	default:
-		parts := regexp.MustCompile(`(u)?int([0-9]*)(\[[0-9]*\])?`).FindStringSubmatch(solKind.String())
-		if len(parts) != 4 {
-			return javaKind
-		}
-		switch parts[2] {
-		case "8", "16", "32", "64":
-			if parts[3] == "" {
-				return capitalise(fmt.Sprintf("%sint%s", parts[1], parts[2]))
-			}
-			return capitalise(fmt.Sprintf("%sint%ss", parts[1], parts[2]))
-
-		default:
-			return javaKind
-		}
-	}
+	LangGo: func(string, abi.Type) string { panic("this shouldn't be needed") },
 }
 
 // alias returns an alias of the given string based on the aliasing rules
@@ -629,8 +461,7 @@ func alias(aliases map[string]string, n string) string {
 // methodNormalizer is a name transformer that modifies Solidity method names to
 // conform to target language naming conventions.
 var methodNormalizer = map[Lang]func(string) string{
-	LangGo:   abi.ToCamelCase,
-	LangJava: decapitalise,
+	LangGo: abi.ToCamelCase,
 }
 
 // capitalise makes a camel-case string which starts with an upper case character.
@@ -646,24 +477,6 @@ func decapitalise(input string) string {
 	return strings.ToLower(goForm[:1]) + goForm[1:]
 }
 
-// convertToNil converts any type to its proper nil form.
-func convertToNil(input abi.Type) string {
-	switch input.T {
-	case abi.IntTy, abi.UintTy:
-		return "big.NewInt(0)"
-	case abi.StringTy:
-		return "\"\""
-	case abi.BoolTy:
-		return "false"
-	case abi.AddressTy:
-		return "common.Address{}"
-	case abi.HashTy:
-		return "common.Hash{}"
-	default:
-		return "nil"
-	}
-}
-
 // structured checks whether a list of ABI data types has enough information to
 // operate through a proper Go struct or if flat returns are needed.
 func structured(args abi.Arguments) bool {
diff --git a/accounts/abi/bind/bind_test.go b/accounts/abi/bind/bind_test.go
index 6aaf2209cd..d7c535d2e8 100644
--- a/accounts/abi/bind/bind_test.go
+++ b/accounts/abi/bind/bind_test.go
@@ -534,7 +534,7 @@ var bindTests = []struct {
 				struct A {
 					bytes32 B;
 				}
-				
+
 				function F() public view returns (A[] memory a, uint256[] memory c, bool[] memory d) {
 					A[] memory a = new A[](2);
 					a[0].B = bytes32(uint256(1234) << 96);
@@ -542,7 +542,7 @@ var bindTests = []struct {
 					bool[] memory d;
 					return (a, c, d);
 				}
-			
+
 				function G() public view returns (A[] memory a) {
 					A[] memory a = new A[](2);
 					a[0].B = bytes32(uint256(1234) << 96);
@@ -564,10 +564,10 @@ var bindTests = []struct {
 			// Generate a new random account and a funded simulator
 			key, _ := crypto.GenerateKey()
 			auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
-		
+
 			sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(1000000000000000000)}}, 10000000)
 			defer sim.Close()
-		
+
 			// Deploy a structs method invoker contract and execute its default method
 			_, _, structs, err := DeployStructs(auth, sim)
 			if err != nil {
@@ -1449,7 +1449,7 @@ var bindTests = []struct {
 		// Initialize test accounts
 		key, _ := crypto.GenerateKey()
 		auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
-		auth.GasFeeCap = params.TestMaxBaseFee
+		auth.GasFeeCap = new(big.Int).SetInt64(params.TestMaxBaseFee)
 		sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: new(big.Int).Mul(big.NewInt(10000000000000000), big.NewInt(1000))}}, 10000000)
 		defer sim.Close()
 
@@ -1717,13 +1717,13 @@ var bindTests = []struct {
 		`NewFallbacks`,
 		`
 		pragma solidity >=0.6.0 <0.7.0;
-	
+
 		contract NewFallbacks {
 			event Fallback(bytes data);
 			fallback() external {
 				emit Fallback(msg.data);
 			}
-	
+
 			event Received(address addr, uint value);
 			receive() external payable {
 				emit Received(msg.sender, msg.value);
@@ -1744,22 +1744,22 @@ var bindTests = []struct {
 		`
 			key, _ := crypto.GenerateKey()
 			addr := crypto.PubkeyToAddress(key.PublicKey)
-	
+
 			sim := backends.NewSimulatedBackend(core.GenesisAlloc{addr: {Balance: big.NewInt(1000000000000000000)}}, 1000000)
 			defer sim.Close()
-	
+
 			opts, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
 			_, _, c, err := DeployNewFallbacks(opts, sim)
 			if err != nil {
 				t.Fatalf("Failed to deploy contract: %v", err)
 			}
 			sim.Commit(false)
-	
+
 			// Test receive function
 			opts.Value = big.NewInt(100)
 			c.Receive(opts)
 			sim.Commit(false)
-	
+
 			var gotEvent bool
 			iter, _ := c.FilterReceived(nil)
 			defer iter.Close()
@@ -1776,14 +1776,14 @@ var bindTests = []struct {
 			if !gotEvent {
 				t.Fatal("Expect to receive event emitted by receive")
 			}
-	
+
 			// Test fallback function
 			gotEvent = false
 			opts.Value = nil
 			calldata := []byte{0x01, 0x02, 0x03}
 			c.Fallback(opts, calldata)
 			sim.Commit(false)
-	
+
 			iter2, _ := c.FilterFallback(nil)
 			defer iter2.Close()
 			for iter2.Next() {
@@ -1877,7 +1877,7 @@ var bindTests = []struct {
 		`NewErrors`,
 		`
 			pragma solidity >0.8.4;
-		
+
 			contract NewErrors {
 				error MyError(uint256);
 				error MyError1(uint256);
@@ -1905,7 +1905,7 @@ var bindTests = []struct {
 					sim     = backends.NewSimulatedBackend(core.GenesisAlloc{user.From: {Balance: big.NewInt(1000000000000000000)}}, 10000000)
 				)
 				defer sim.Close()
-		
+
 				_, tx, contract, err := DeployNewErrors(user, sim)
 				if err != nil {
 					t.Fatal(err)
@@ -1930,12 +1930,12 @@ var bindTests = []struct {
 		name: `ConstructorWithStructParam`,
 		contract: `
 		pragma solidity >=0.8.0 <0.9.0;
-		
+
 		contract ConstructorWithStructParam {
 			struct StructType {
 				uint256 field;
 			}
-		
+
 			constructor(StructType memory st) {}
 		}
 		`,
@@ -1962,7 +1962,7 @@ var bindTests = []struct {
 				t.Fatalf("DeployConstructorWithStructParam() got err %v; want nil err", err)
 			}
 			sim.Commit(true)
-			
+
 			if _, err = bind.WaitDeployed(nil, sim, tx); err != nil {
 				t.Logf("Deployment tx: %+v", tx)
 				t.Errorf("bind.WaitDeployed(nil, %T, <deployment tx>) got err %v; want nil err", sim, err)
@@ -2010,7 +2010,7 @@ var bindTests = []struct {
 				t.Fatalf("DeployNameConflict() got err %v; want nil err", err)
 			}
 			sim.Commit(true)
-			
+
 			if _, err = bind.WaitDeployed(nil, sim, tx); err != nil {
 				t.Logf("Deployment tx: %+v", tx)
 				t.Errorf("bind.WaitDeployed(nil, %T, <deployment tx>) got err %v; want nil err", sim, err)
@@ -2148,408 +2148,3 @@ func golangBindings(t *testing.T, overload bool) {
 		t.Fatalf("failed to run binding test: %v\n%s", err, out)
 	}
 }
-
-// Tests that java binding generated by the binder is exactly matched.
-func TestJavaBindings(t *testing.T) {
-	var cases = []struct {
-		name     string
-		contract string
-		abi      string
-		bytecode string
-		expected string
-	}{
-		{
-			"test",
-			`
-			pragma experimental ABIEncoderV2;
-			pragma solidity ^0.5.2;
-
-			contract test {
-				function setAddress(address a) public returns(address){}
-				function setAddressList(address[] memory a_l) public returns(address[] memory){}
-				function setAddressArray(address[2] memory a_a) public returns(address[2] memory){}
-
-				function setUint8(uint8 u8) public returns(uint8){}
-				function setUint16(uint16 u16) public returns(uint16){}
-				function setUint32(uint32 u32) public returns(uint32){}
-				function setUint64(uint64 u64) public returns(uint64){}
-				function setUint256(uint256 u256) public returns(uint256){}
-				function setUint256List(uint256[] memory u256_l) public returns(uint256[] memory){}
-				function setUint256Array(uint256[2] memory u256_a) public returns(uint256[2] memory){}
-
-				function setInt8(int8 i8) public returns(int8){}
-				function setInt16(int16 i16) public returns(int16){}
-				function setInt32(int32 i32) public returns(int32){}
-				function setInt64(int64 i64) public returns(int64){}
-				function setInt256(int256 i256) public returns(int256){}
-				function setInt256List(int256[] memory i256_l) public returns(int256[] memory){}
-				function setInt256Array(int256[2] memory i256_a) public returns(int256[2] memory){}
-
-				function setBytes1(bytes1 b1) public returns(bytes1) {}
-				function setBytes32(bytes32 b32) public returns(bytes32) {}
-				function setBytes(bytes memory bs) public returns(bytes memory) {}
-				function setBytesList(bytes[] memory bs_l) public returns(bytes[] memory) {}
-				function setBytesArray(bytes[2] memory bs_a) public returns(bytes[2] memory) {}
-
-				function setString(string memory s) public returns(string memory) {}
-				function setStringList(string[] memory s_l) public returns(string[] memory) {}
-				function setStringArray(string[2] memory s_a) public returns(string[2] memory) {}
-
-				function setBool(bool b) public returns(bool) {}
-				function setBoolList(bool[] memory b_l) public returns(bool[] memory) {}
-				function setBoolArray(bool[2] memory b_a) public returns(bool[2] memory) {}
-			}`,
-			`[{"constant":false,"inputs":[{"name":"u16","type":"uint16"}],"name":"setUint16","outputs":[{"name":"","type":"uint16"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"b_a","type":"bool[2]"}],"name":"setBoolArray","outputs":[{"name":"","type":"bool[2]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"a_a","type":"address[2]"}],"name":"setAddressArray","outputs":[{"name":"","type":"address[2]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"bs_l","type":"bytes[]"}],"name":"setBytesList","outputs":[{"name":"","type":"bytes[]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"u8","type":"uint8"}],"name":"setUint8","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"u32","type":"uint32"}],"name":"setUint32","outputs":[{"name":"","type":"uint32"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"b","type":"bool"}],"name":"setBool","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"i256_l","type":"int256[]"}],"name":"setInt256List","outputs":[{"name":"","type":"int256[]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"u256_a","type":"uint256[2]"}],"name":"setUint256Array","outputs":[{"name":"","type":"uint256[2]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"b_l","type":"bool[]"}],"name":"setBoolList","outputs":[{"name":"","type":"bool[]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"bs_a","type":"bytes[2]"}],"name":"setBytesArray","outputs":[{"name":"","type":"bytes[2]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"a_l","type":"address[]"}],"name":"setAddressList","outputs":[{"name":"","type":"address[]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"i256_a","type":"int256[2]"}],"name":"setInt256Array","outputs":[{"name":"","type":"int256[2]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"s_a","type":"string[2]"}],"name":"setStringArray","outputs":[{"name":"","type":"string[2]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"s","type":"string"}],"name":"setString","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"u64","type":"uint64"}],"name":"setUint64","outputs":[{"name":"","type":"uint64"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"i16","type":"int16"}],"name":"setInt16","outputs":[{"name":"","type":"int16"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"i8","type":"int8"}],"name":"setInt8","outputs":[{"name":"","type":"int8"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"u256_l","type":"uint256[]"}],"name":"setUint256List","outputs":[{"name":"","type":"uint256[]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"i256","type":"int256"}],"name":"setInt256","outputs":[{"name":"","type":"int256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"i32","type":"int32"}],"name":"setInt32","outputs":[{"name":"","type":"int32"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"b32","type":"bytes32"}],"name":"setBytes32","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"s_l","type":"string[]"}],"name":"setStringList","outputs":[{"name":"","type":"string[]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"u256","type":"uint256"}],"name":"setUint256","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"bs","type":"bytes"}],"name":"setBytes","outputs":[{"name":"","type":"bytes"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"a","type":"address"}],"name":"setAddress","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"i64","type":"int64"}],"name":"setInt64","outputs":[{"name":"","type":"int64"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"b1","type":"bytes1"}],"name":"setBytes1","outputs":[{"name":"","type":"bytes1"}],"payable":false,"stateMutability":"nonpayable","type":"function"}]`,
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-			`
-// This file is an automatically generated Java binding. Do not modify as any
-// change will likely be lost upon the next re-generation!
-
-package bindtest;
-
-import org.ethereum.geth.*;
-import java.util.*;
-
-public class Test {
-	// ABI is the input ABI used to generate the binding from.
-	public final static String ABI = "[{\"constant\":false,\"inputs\":[{\"name\":\"u16\",\"type\":\"uint16\"}],\"name\":\"setUint16\",\"outputs\":[{\"name\":\"\",\"type\":\"uint16\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b_a\",\"type\":\"bool[2]\"}],\"name\":\"setBoolArray\",\"outputs\":[{\"name\":\"\",\"type\":\"bool[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"a_a\",\"type\":\"address[2]\"}],\"name\":\"setAddressArray\",\"outputs\":[{\"name\":\"\",\"type\":\"address[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"bs_l\",\"type\":\"bytes[]\"}],\"name\":\"setBytesList\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u8\",\"type\":\"uint8\"}],\"name\":\"setUint8\",\"outputs\":[{\"name\":\"\",\"type\":\"uint8\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u32\",\"type\":\"uint32\"}],\"name\":\"setUint32\",\"outputs\":[{\"name\":\"\",\"type\":\"uint32\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b\",\"type\":\"bool\"}],\"name\":\"setBool\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i256_l\",\"type\":\"int256[]\"}],\"name\":\"setInt256List\",\"outputs\":[{\"name\":\"\",\"type\":\"int256[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u256_a\",\"type\":\"uint256[2]\"}],\"name\":\"setUint256Array\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b_l\",\"type\":\"bool[]\"}],\"name\":\"setBoolList\",\"outputs\":[{\"name\":\"\",\"type\":\"bool[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"bs_a\",\"type\":\"bytes[2]\"}],\"name\":\"setBytesArray\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"a_l\",\"type\":\"address[]\"}],\"name\":\"setAddressList\",\"outputs\":[{\"name\":\"\",\"type\":\"address[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i256_a\",\"type\":\"int256[2]\"}],\"name\":\"setInt256Array\",\"outputs\":[{\"name\":\"\",\"type\":\"int256[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"s_a\",\"type\":\"string[2]\"}],\"name\":\"setStringArray\",\"outputs\":[{\"name\":\"\",\"type\":\"string[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"s\",\"type\":\"string\"}],\"name\":\"setString\",\"outputs\":[{\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u64\",\"type\":\"uint64\"}],\"name\":\"setUint64\",\"outputs\":[{\"name\":\"\",\"type\":\"uint64\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i16\",\"type\":\"int16\"}],\"name\":\"setInt16\",\"outputs\":[{\"name\":\"\",\"type\":\"int16\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i8\",\"type\":\"int8\"}],\"name\":\"setInt8\",\"outputs\":[{\"name\":\"\",\"type\":\"int8\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u256_l\",\"type\":\"uint256[]\"}],\"name\":\"setUint256List\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i256\",\"type\":\"int256\"}],\"name\":\"setInt256\",\"outputs\":[{\"name\":\"\",\"type\":\"int256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i32\",\"type\":\"int32\"}],\"name\":\"setInt32\",\"outputs\":[{\"name\":\"\",\"type\":\"int32\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b32\",\"type\":\"bytes32\"}],\"name\":\"setBytes32\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes32\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"s_l\",\"type\":\"string[]\"}],\"name\":\"setStringList\",\"outputs\":[{\"name\":\"\",\"type\":\"string[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u256\",\"type\":\"uint256\"}],\"name\":\"setUint256\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"bs\",\"type\":\"bytes\"}],\"name\":\"setBytes\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"a\",\"type\":\"address\"}],\"name\":\"setAddress\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i64\",\"type\":\"int64\"}],\"name\":\"setInt64\",\"outputs\":[{\"name\":\"\",\"type\":\"int64\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b1\",\"type\":\"bytes1\"}],\"name\":\"setBytes1\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes1\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]";
-	
-	// BYTECODE is the compiled bytecode used for deploying new contracts.
-	public final static String BYTECODE = 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-
-	// deploy deploys a new Ethereum contract, binding an instance of Test to it.
-	public static Test deploy(TransactOpts auth, EthereumClient client) throws Exception {
-		Interfaces args = Geth.newInterfaces(0);
-		String bytecode = BYTECODE;
-		return new Test(Geth.deployContract(auth, ABI, Geth.decodeFromHex(bytecode), client, args));
-	}
-
-	// Internal constructor used by contract deployment.
-	private Test(BoundContract deployment) {
-		this.Address  = deployment.getAddress();
-		this.Deployer = deployment.getDeployer();
-		this.Contract = deployment;
-	}
-	
-	// Ethereum address where this contract is located at.
-	public final Address Address;
-
-	// Ethereum transaction in which this contract was deployed (if known!).
-	public final Transaction Deployer;
-
-	// Contract instance bound to a blockchain address.
-	private final BoundContract Contract;
-
-	// Creates a new instance of Test, bound to a specific deployed contract.
-	public Test(Address address, EthereumClient client) throws Exception {
-		this(Geth.bindContract(address, ABI, client));
-	}
-
-	// setAddress is a paid mutator transaction binding the contract method 0xe30081a0.
-	//
-	// Solidity: function setAddress(address a) returns(address)
-	public Transaction setAddress(TransactOpts opts, Address a) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setAddress(a);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setAddress"	, args);
-	}
-	
-	// setAddressArray is a paid mutator transaction binding the contract method 0x151f5471.
-	//
-	// Solidity: function setAddressArray(address[2] a_a) returns(address[2])
-	public Transaction setAddressArray(TransactOpts opts, Addresses a_a) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setAddresses(a_a);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setAddressArray"	, args);
-	}
-	
-	// setAddressList is a paid mutator transaction binding the contract method 0x5be6b37e.
-	//
-	// Solidity: function setAddressList(address[] a_l) returns(address[])
-	public Transaction setAddressList(TransactOpts opts, Addresses a_l) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setAddresses(a_l);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setAddressList"	, args);
-	}
-	
-	// setBool is a paid mutator transaction binding the contract method 0x1e26fd33.
-	//
-	// Solidity: function setBool(bool b) returns(bool)
-	public Transaction setBool(TransactOpts opts, boolean b) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setBool(b);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setBool"	, args);
-	}
-	
-	// setBoolArray is a paid mutator transaction binding the contract method 0x118a9718.
-	//
-	// Solidity: function setBoolArray(bool[2] b_a) returns(bool[2])
-	public Transaction setBoolArray(TransactOpts opts, Bools b_a) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setBools(b_a);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setBoolArray"	, args);
-	}
-	
-	// setBoolList is a paid mutator transaction binding the contract method 0x4d5ee6da.
-	//
-	// Solidity: function setBoolList(bool[] b_l) returns(bool[])
-	public Transaction setBoolList(TransactOpts opts, Bools b_l) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setBools(b_l);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setBoolList"	, args);
-	}
-	
-	// setBytes is a paid mutator transaction binding the contract method 0xda359dc8.
-	//
-	// Solidity: function setBytes(bytes bs) returns(bytes)
-	public Transaction setBytes(TransactOpts opts, byte[] bs) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setBinary(bs);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setBytes"	, args);
-	}
-	
-	// setBytes1 is a paid mutator transaction binding the contract method 0xfba1a1c3.
-	//
-	// Solidity: function setBytes1(bytes1 b1) returns(bytes1)
-	public Transaction setBytes1(TransactOpts opts, byte[] b1) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setBinary(b1);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setBytes1"	, args);
-	}
-	
-	// setBytes32 is a paid mutator transaction binding the contract method 0xc2b12a73.
-	//
-	// Solidity: function setBytes32(bytes32 b32) returns(bytes32)
-	public Transaction setBytes32(TransactOpts opts, byte[] b32) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setBinary(b32);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setBytes32"	, args);
-	}
-	
-	// setBytesArray is a paid mutator transaction binding the contract method 0x5119655d.
-	//
-	// Solidity: function setBytesArray(bytes[2] bs_a) returns(bytes[2])
-	public Transaction setBytesArray(TransactOpts opts, Binaries bs_a) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setBinaries(bs_a);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setBytesArray"	, args);
-	}
-	
-	// setBytesList is a paid mutator transaction binding the contract method 0x16c105e2.
-	//
-	// Solidity: function setBytesList(bytes[] bs_l) returns(bytes[])
-	public Transaction setBytesList(TransactOpts opts, Binaries bs_l) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setBinaries(bs_l);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setBytesList"	, args);
-	}
-	
-	// setInt16 is a paid mutator transaction binding the contract method 0x86114cea.
-	//
-	// Solidity: function setInt16(int16 i16) returns(int16)
-	public Transaction setInt16(TransactOpts opts, short i16) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setInt16(i16);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setInt16"	, args);
-	}
-	
-	// setInt256 is a paid mutator transaction binding the contract method 0xa53b1c1e.
-	//
-	// Solidity: function setInt256(int256 i256) returns(int256)
-	public Transaction setInt256(TransactOpts opts, BigInt i256) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setBigInt(i256);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setInt256"	, args);
-	}
-	
-	// setInt256Array is a paid mutator transaction binding the contract method 0x6aa482fc.
-	//
-	// Solidity: function setInt256Array(int256[2] i256_a) returns(int256[2])
-	public Transaction setInt256Array(TransactOpts opts, BigInts i256_a) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setBigInts(i256_a);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setInt256Array"	, args);
-	}
-	
-	// setInt256List is a paid mutator transaction binding the contract method 0x22722302.
-	//
-	// Solidity: function setInt256List(int256[] i256_l) returns(int256[])
-	public Transaction setInt256List(TransactOpts opts, BigInts i256_l) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setBigInts(i256_l);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setInt256List"	, args);
-	}
-	
-	// setInt32 is a paid mutator transaction binding the contract method 0xb7d5df31.
-	//
-	// Solidity: function setInt32(int32 i32) returns(int32)
-	public Transaction setInt32(TransactOpts opts, int i32) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setInt32(i32);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setInt32"	, args);
-	}
-	
-	// setInt64 is a paid mutator transaction binding the contract method 0xe673eb32.
-	//
-	// Solidity: function setInt64(int64 i64) returns(int64)
-	public Transaction setInt64(TransactOpts opts, long i64) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setInt64(i64);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setInt64"	, args);
-	}
-	
-	// setInt8 is a paid mutator transaction binding the contract method 0x9a19a953.
-	//
-	// Solidity: function setInt8(int8 i8) returns(int8)
-	public Transaction setInt8(TransactOpts opts, byte i8) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setInt8(i8);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setInt8"	, args);
-	}
-	
-	// setString is a paid mutator transaction binding the contract method 0x7fcaf666.
-	//
-	// Solidity: function setString(string s) returns(string)
-	public Transaction setString(TransactOpts opts, String s) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setString(s);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setString"	, args);
-	}
-	
-	// setStringArray is a paid mutator transaction binding the contract method 0x7173b695.
-	//
-	// Solidity: function setStringArray(string[2] s_a) returns(string[2])
-	public Transaction setStringArray(TransactOpts opts, Strings s_a) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setStrings(s_a);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setStringArray"	, args);
-	}
-	
-	// setStringList is a paid mutator transaction binding the contract method 0xc5777961.
-	//
-	// Solidity: function setStringList(string[] s_l) returns(string[])
-	public Transaction setStringList(TransactOpts opts, Strings s_l) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setStrings(s_l);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setStringList"	, args);
-	}
-	
-	// setUint16 is a paid mutator transaction binding the contract method 0x0477988a.
-	//
-	// Solidity: function setUint16(uint16 u16) returns(uint16)
-	public Transaction setUint16(TransactOpts opts, BigInt u16) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setUint16(u16);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setUint16"	, args);
-	}
-	
-	// setUint256 is a paid mutator transaction binding the contract method 0xd2282dc5.
-	//
-	// Solidity: function setUint256(uint256 u256) returns(uint256)
-	public Transaction setUint256(TransactOpts opts, BigInt u256) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setBigInt(u256);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setUint256"	, args);
-	}
-	
-	// setUint256Array is a paid mutator transaction binding the contract method 0x2766a755.
-	//
-	// Solidity: function setUint256Array(uint256[2] u256_a) returns(uint256[2])
-	public Transaction setUint256Array(TransactOpts opts, BigInts u256_a) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setBigInts(u256_a);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setUint256Array"	, args);
-	}
-	
-	// setUint256List is a paid mutator transaction binding the contract method 0xa0709e19.
-	//
-	// Solidity: function setUint256List(uint256[] u256_l) returns(uint256[])
-	public Transaction setUint256List(TransactOpts opts, BigInts u256_l) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setBigInts(u256_l);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setUint256List"	, args);
-	}
-	
-	// setUint32 is a paid mutator transaction binding the contract method 0x1c9352e2.
-	//
-	// Solidity: function setUint32(uint32 u32) returns(uint32)
-	public Transaction setUint32(TransactOpts opts, BigInt u32) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setUint32(u32);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setUint32"	, args);
-	}
-	
-	// setUint64 is a paid mutator transaction binding the contract method 0x822cba69.
-	//
-	// Solidity: function setUint64(uint64 u64) returns(uint64)
-	public Transaction setUint64(TransactOpts opts, BigInt u64) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setUint64(u64);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setUint64"	, args);
-	}
-	
-	// setUint8 is a paid mutator transaction binding the contract method 0x1774e646.
-	//
-	// Solidity: function setUint8(uint8 u8) returns(uint8)
-	public Transaction setUint8(TransactOpts opts, BigInt u8) throws Exception {
-		Interfaces args = Geth.newInterfaces(1);
-		Interface arg0 = Geth.newInterface();arg0.setUint8(u8);args.set(0,arg0);
-		
-		return this.Contract.transact(opts, "setUint8"	, args);
-	}
-}
-`,
-		},
-	}
-	for i, c := range cases {
-		binding, err := Bind([]string{c.name}, []string{c.abi}, []string{c.bytecode}, nil, "bindtest", LangJava, nil, nil)
-		if err != nil {
-			t.Fatalf("test %d: failed to generate binding: %v", i, err)
-		}
-		// Remove empty lines
-		removeEmptys := func(input string) string {
-			lines := strings.Split(input, "\n")
-			var index int
-			for _, line := range lines {
-				if strings.TrimSpace(line) != "" {
-					lines[index] = line
-					index += 1
-				}
-			}
-			lines = lines[:index]
-			return strings.Join(lines, "\n")
-		}
-		binding = removeEmptys(binding)
-		expect := removeEmptys(c.expected)
-		if binding != expect {
-			t.Fatalf("test %d: generated binding mismatch, has %s, want %s", i, binding, c.expected)
-		}
-	}
-}
diff --git a/accounts/abi/bind/precompilebind/precompile_config_template.go b/accounts/abi/bind/precompilebind/precompile_config_template.go
index 9b42725302..90bffa6300 100644
--- a/accounts/abi/bind/precompilebind/precompile_config_template.go
+++ b/accounts/abi/bind/precompilebind/precompile_config_template.go
@@ -11,8 +11,6 @@ const tmplSourcePrecompileConfigGo = `
 package {{.Package}}
 
 import (
-	"math/big"
-
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
 	{{- if .Contract.AllowList}}
 	"github.com/ava-labs/subnet-evm/precompile/allowlist"
@@ -37,7 +35,7 @@ type Config struct {
 
 // NewConfig returns a config for a network upgrade at [blockTimestamp] that enables
 // {{.Contract.Type}} {{- if .Contract.AllowList}} with the given [admins] as members of the allowlist {{end}}.
-func NewConfig(blockTimestamp *big.Int{{if .Contract.AllowList}}, admins []common.Address, enableds []common.Address,{{end}}) *Config {
+func NewConfig(blockTimestamp *uint64{{if .Contract.AllowList}}, admins []common.Address, enableds []common.Address,{{end}}) *Config {
 	return &Config{
 		{{- if .Contract.AllowList}}
 		AllowListConfig: allowlist.AllowListConfig{
@@ -51,7 +49,7 @@ func NewConfig(blockTimestamp *big.Int{{if .Contract.AllowList}}, admins []commo
 
 // NewDisableConfig returns config for a network upgrade at [blockTimestamp]
 // that disables {{.Contract.Type}}.
-func NewDisableConfig(blockTimestamp *big.Int) *Config {
+func NewDisableConfig(blockTimestamp *uint64) *Config {
 	return &Config{
 		Upgrade: precompileconfig.Upgrade{
 			BlockTimestamp: blockTimestamp,
diff --git a/accounts/abi/bind/precompilebind/precompile_config_test_template.go b/accounts/abi/bind/precompilebind/precompile_config_test_template.go
index 86c473fd8e..422858b83b 100644
--- a/accounts/abi/bind/precompilebind/precompile_config_test_template.go
+++ b/accounts/abi/bind/precompilebind/precompile_config_test_template.go
@@ -11,11 +11,11 @@ const tmplSourcePrecompileConfigTestGo = `
 package {{.Package}}
 
 import (
-	"math/big"
 	"testing"
 
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
 	"github.com/ava-labs/subnet-evm/precompile/testutils"
+	"github.com/ava-labs/subnet-evm/utils"
 	{{- if .Contract.AllowList}}
 	"github.com/ava-labs/subnet-evm/precompile/allowlist"
 
@@ -31,13 +31,13 @@ func TestVerify(t *testing.T) {
 	{{- end}}
 	tests := map[string]testutils.ConfigVerifyTest{
 		"valid config": {
-			Config: NewConfig(big.NewInt(3){{- if .Contract.AllowList}}, admins, enableds{{- end}}),
+			Config: NewConfig(utils.NewUint64(3){{- if .Contract.AllowList}}, admins, enableds{{- end}}),
 			ExpectedError: "",
 		},
 		// CUSTOM CODE STARTS HERE
 		// Add your own Verify tests here, e.g.:
 		// "your custom test name": {
-		// 	Config: NewConfig(big.NewInt(3), {{- if .Contract.AllowList}} admins, enableds{{- end}}),
+		// 	Config: NewConfig(utils.NewUint64(3), {{- if .Contract.AllowList}} admins, enableds{{- end}}),
 		// 	ExpectedError: ErrYourCustomError.Error(),
 		// },
 	}
@@ -62,23 +62,23 @@ func TestEqual(t *testing.T) {
 	{{- end}}
 	tests := map[string]testutils.ConfigEqualTest{
 		"non-nil config and nil other": {
-			Config:   NewConfig(big.NewInt(3){{- if .Contract.AllowList}}, admins, enableds{{- end}}),
+			Config:   NewConfig(utils.NewUint64(3){{- if .Contract.AllowList}}, admins, enableds{{- end}}),
 			Other:    nil,
 			Expected: false,
 		},
 		"different type": {
-			Config:   NewConfig(big.NewInt(3){{- if .Contract.AllowList}}, admins, enableds{{- end}}),
+			Config:   NewConfig(utils.NewUint64(3){{- if .Contract.AllowList}}, admins, enableds{{- end}}),
 			Other:    precompileconfig.NewNoopStatefulPrecompileConfig(),
 			Expected: false,
 		},
 		"different timestamp": {
-			Config:   NewConfig(big.NewInt(3){{- if .Contract.AllowList}}, admins, enableds{{- end}}),
-			Other:    NewConfig(big.NewInt(4){{- if .Contract.AllowList}}, admins, enableds{{- end}}),
+			Config:   NewConfig(utils.NewUint64(3){{- if .Contract.AllowList}}, admins, enableds{{- end}}),
+			Other:    NewConfig(utils.NewUint64(4){{- if .Contract.AllowList}}, admins, enableds{{- end}}),
 			Expected: false,
 		},
 		"same config": {
-			Config: NewConfig(big.NewInt(3){{- if .Contract.AllowList}}, admins, enableds{{- end}}),
-			Other: NewConfig(big.NewInt(3){{- if .Contract.AllowList}}, admins, enableds{{- end}}),
+			Config: NewConfig(utils.NewUint64(3){{- if .Contract.AllowList}}, admins, enableds{{- end}}),
+			Other: NewConfig(utils.NewUint64(3){{- if .Contract.AllowList}}, admins, enableds{{- end}}),
 			Expected: true,
 		},
 		// CUSTOM CODE STARTS HERE
diff --git a/accounts/abi/bind/precompilebind/precompile_contract_template.go b/accounts/abi/bind/precompilebind/precompile_contract_template.go
index 84dd6f9b4a..d4e5695a61 100644
--- a/accounts/abi/bind/precompilebind/precompile_contract_template.go
+++ b/accounts/abi/bind/precompilebind/precompile_contract_template.go
@@ -153,21 +153,22 @@ func Pack{{.Normalized.Name}}(inputStruct {{capitalise .Normalized.Name}}Input)
 {{else if len .Normalized.Inputs | eq 1 }}
 {{$method := .}}
 {{$input := index $method.Normalized.Inputs 0}}
-// Unpack{{capitalise .Normalized.Name}}Input attempts to unpack [input] into the {{bindtype $input.Type $structs}} type argument
+{{$bindedType := bindtype $input.Type $structs}}
+// Unpack{{capitalise .Normalized.Name}}Input attempts to unpack [input] into the {{$bindedType}} type argument
 // assumes that [input] does not include selector (omits first 4 func signature bytes)
-func Unpack{{capitalise .Normalized.Name}}Input(input []byte)({{bindtype $input.Type $structs}}, error) {
+func Unpack{{capitalise .Normalized.Name}}Input(input []byte)({{$bindedType}}, error) {
 res, err := {{$contract.Type}}ABI.UnpackInput("{{$method.Original.Name}}", input)
 if err != nil {
-	return {{convertToNil $input.Type}}, err
+	return *new({{$bindedType}}), err
 }
-unpacked := *abi.ConvertType(res[0], new({{bindtype $input.Type $structs}})).(*{{bindtype $input.Type $structs}})
+unpacked := *abi.ConvertType(res[0], new({{$bindedType}})).(*{{$bindedType}})
 return unpacked, nil
 }
 
-// Pack{{.Normalized.Name}} packs [{{decapitalise $input.Name}}] of type {{bindtype $input.Type $structs}} into the appropriate arguments for {{$method.Original.Name}}.
+// Pack{{.Normalized.Name}} packs [{{decapitalise $input.Name}}] of type {{$bindedType}} into the appropriate arguments for {{$method.Original.Name}}.
 // the packed bytes include selector (first 4 func signature bytes).
 // This function is mostly used for tests.
-func Pack{{$method.Normalized.Name}}( {{decapitalise $input.Name}} {{bindtype $input.Type $structs}},) ([]byte, error) {
+func Pack{{$method.Normalized.Name}}( {{decapitalise $input.Name}} {{$bindedType}},) ([]byte, error) {
 	return {{$contract.Type}}ABI.Pack("{{$method.Original.Name}}", {{decapitalise $input.Name}},)
 }
 {{else}}
@@ -192,9 +193,10 @@ func Pack{{capitalise .Normalized.Name}}Output (outputStruct {{capitalise .Norma
 {{else if len .Normalized.Outputs | eq 1 }}
 {{$method := .}}
 {{$output := index $method.Normalized.Outputs 0}}
-// Pack{{capitalise .Normalized.Name}}Output attempts to pack given {{decapitalise $output.Name}} of type {{bindtype $output.Type $structs}}
+{{$bindedType := bindtype $output.Type $structs}}
+// Pack{{capitalise .Normalized.Name}}Output attempts to pack given {{decapitalise $output.Name}} of type {{$bindedType}}
 // to conform the ABI outputs.
-func Pack{{$method.Normalized.Name}}Output ({{decapitalise $output.Name}} {{bindtype $output.Type $structs}}) ([]byte, error) {
+func Pack{{$method.Normalized.Name}}Output ({{decapitalise $output.Name}} {{$bindedType}}) ([]byte, error) {
 	return {{$contract.Type}}ABI.PackOutput("{{$method.Original.Name}}", {{decapitalise $output.Name}})
 }
 {{end}}
diff --git a/accounts/abi/bind/precompilebind/precompile_contract_test_template.go b/accounts/abi/bind/precompilebind/precompile_contract_test_template.go
index 10c1a12f8e..eb4c2f3f56 100644
--- a/accounts/abi/bind/precompilebind/precompile_contract_test_template.go
+++ b/accounts/abi/bind/precompilebind/precompile_contract_test_template.go
@@ -23,109 +23,112 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-// TestRun tests the Run function of the precompile contract.
-// These tests are run against the precompile contract directly with
-// the given input and expected output. They're just a guide to
-// help you write your own tests. These tests are for general cases like
-// allowlist, readOnly behaviour, and gas cost. You should write your own
-// tests for specific cases.
-func TestRun(t *testing.T) {
-	tests := map[string]testutils.PrecompileTest{
-		{{- $contract := .Contract}}
-		{{- $structs := .Structs}}
-		{{- range .Contract.Funcs}}
-		{{- $func := .}}
-		{{- if $contract.AllowList}}
-		{{- $roles := mkList "NoRole" "Enabled" "Admin"}}
-		{{- range $role := $roles}}
-		{{- $fail := and (not $func.Original.IsConstant) (eq $role "NoRole")}}
-		"calling {{decapitalise $func.Normalized.Name}} from {{$role}} should {{- if $fail}} fail {{- else}} succeed{{- end}}":  {
-			Caller:     allowlist.Test{{$role}}Addr,
-			BeforeHook: allowlist.SetDefaultRoles(Module.Address),
-			InputFn: func(t testing.TB) []byte {
-				{{- if len $func.Normalized.Inputs | lt 1}}
+	// These tests are run against the precompile contract directly with
+	// the given input and expected output. They're just a guide to
+	// help you write your own tests. These tests are for general cases like
+	// allowlist, readOnly behaviour, and gas cost. You should write your own
+	// tests for specific cases.
+	var(
+		tests = map[string]testutils.PrecompileTest{
+			{{- $contract := .Contract}}
+			{{- $structs := .Structs}}
+			{{- range .Contract.Funcs}}
+			{{- $func := .}}
+			{{- if $contract.AllowList}}
+			{{- $roles := mkList "NoRole" "Enabled" "Admin"}}
+			{{- range $role := $roles}}
+			{{- $fail := and (not $func.Original.IsConstant) (eq $role "NoRole")}}
+			"calling {{decapitalise $func.Normalized.Name}} from {{$role}} should {{- if $fail}} fail {{- else}} succeed{{- end}}":  {
+				Caller:     allowlist.Test{{$role}}Addr,
+				BeforeHook: allowlist.SetDefaultRoles(Module.Address),
+				InputFn: func(t testing.TB) []byte {
+					{{- if len $func.Normalized.Inputs | lt 1}}
+					// CUSTOM CODE STARTS HERE
+					// populate test input here
+					testInput := {{capitalise $func.Normalized.Name}}Input{}
+					input, err := Pack{{$func.Normalized.Name}}(testInput)
+					{{- else if len $func.Normalized.Inputs | eq 1 }}
+					{{- $input := index $func.Normalized.Inputs 0}}
+					// CUSTOM CODE STARTS HERE
+					// set test input to a value here
+					var testInput {{bindtype $input.Type $structs}}
+					input, err := Pack{{$func.Normalized.Name}}(testInput)
+					{{- else}}
+					input, err := Pack{{$func.Normalized.Name}}()
+					{{- end}}
+					require.NoError(t, err)
+					return input
+				},
+				{{- if not $fail}}
+				// This test is for a successful call. You can set the expected output here.
 				// CUSTOM CODE STARTS HERE
-				// populate test input here
-				testInput := {{capitalise $func.Normalized.Name}}Input{}
-				input, err := Pack{{$func.Normalized.Name}}(testInput)
-				{{- else if len $func.Normalized.Inputs | eq 1 }}
-				{{- $input := index $func.Normalized.Inputs 0}}
-				// CUSTOM CODE STARTS HERE
-				// set test input to a value here
-				var testInput {{bindtype $input.Type $structs}}
-				input, err := Pack{{$func.Normalized.Name}}(testInput)
-				{{- else}}
-				input, err := Pack{{$func.Normalized.Name}}()
+				ExpectedRes: []byte{},
 				{{- end}}
-				require.NoError(t, err)
-				return input
+				SuppliedGas: {{$func.Normalized.Name}}GasCost,
+				ReadOnly:    false,
+				ExpectedErr: {{if $fail}} ErrCannot{{$func.Normalized.Name}}.Error() {{- else}} "" {{- end}},
 			},
-			{{- if not $fail}}
-			// This test is for a successful call. You can set the expected output here.
-			// CUSTOM CODE STARTS HERE
-			ExpectedRes: []byte{},
 			{{- end}}
-			SuppliedGas: {{$func.Normalized.Name}}GasCost,
-			ReadOnly:    false,
-			ExpectedErr: {{if $fail}} ErrCannot{{$func.Normalized.Name}}.Error() {{- else}} "" {{- end}},
-		},
-		{{- end}}
-		{{- end}}
-		{{- if not $func.Original.IsConstant}}
-		"readOnly {{decapitalise $func.Normalized.Name}} should fail": {
-			Caller:	common.Address{1},
-			InputFn: func(t testing.TB) []byte {
-				{{- if len $func.Normalized.Inputs | lt 1}}
-				// CUSTOM CODE STARTS HERE
-				// populate test input here
-				testInput := {{capitalise $func.Normalized.Name}}Input{}
-				input, err := Pack{{$func.Normalized.Name}}(testInput)
-				{{- else if len $func.Normalized.Inputs | eq 1 }}
-				{{- $input := index $func.Normalized.Inputs 0}}
-				// CUSTOM CODE STARTS HERE
-				// set test input to a value here
-				var testInput {{bindtype $input.Type $structs}}
-				input, err := Pack{{$func.Normalized.Name}}(testInput)
-				{{- else}}
-				input, err := Pack{{$func.Normalized.Name}}()
-				{{- end}}
-				require.NoError(t, err)
-				return input
+			{{- end}}
+			{{- if not $func.Original.IsConstant}}
+			"readOnly {{decapitalise $func.Normalized.Name}} should fail": {
+				Caller:	common.Address{1},
+				InputFn: func(t testing.TB) []byte {
+					{{- if len $func.Normalized.Inputs | lt 1}}
+					// CUSTOM CODE STARTS HERE
+					// populate test input here
+					testInput := {{capitalise $func.Normalized.Name}}Input{}
+					input, err := Pack{{$func.Normalized.Name}}(testInput)
+					{{- else if len $func.Normalized.Inputs | eq 1 }}
+					{{- $input := index $func.Normalized.Inputs 0}}
+					// CUSTOM CODE STARTS HERE
+					// set test input to a value here
+					var testInput {{bindtype $input.Type $structs}}
+					input, err := Pack{{$func.Normalized.Name}}(testInput)
+					{{- else}}
+					input, err := Pack{{$func.Normalized.Name}}()
+					{{- end}}
+					require.NoError(t, err)
+					return input
+				},
+				SuppliedGas:  {{$func.Normalized.Name}}GasCost,
+				ReadOnly:    true,
+				ExpectedErr: vmerrs.ErrWriteProtection.Error(),
 			},
-			SuppliedGas:  {{$func.Normalized.Name}}GasCost,
-			ReadOnly:    true,
-			ExpectedErr: vmerrs.ErrWriteProtection.Error(),
-		},
-		{{- end}}
-		"insufficient gas for {{decapitalise $func.Normalized.Name}} should fail": {
-			Caller:	common.Address{1},
-			InputFn: func(t testing.TB) []byte {
-				{{- if len $func.Normalized.Inputs | lt 1}}
-				// CUSTOM CODE STARTS HERE
-				// populate test input here
-				testInput := {{capitalise $func.Normalized.Name}}Input{}
-				input, err := Pack{{$func.Normalized.Name}}(testInput)
-				{{- else if len $func.Normalized.Inputs | eq 1 }}
-				{{- $input := index $func.Normalized.Inputs 0}}
-				// CUSTOM CODE STARTS HERE
-				// set test input to a value here
-				var testInput {{bindtype $input.Type $structs}}
-				input, err := Pack{{$func.Normalized.Name}}(testInput)
-				{{- else}}
-				input, err := Pack{{$func.Normalized.Name}}()
-				{{- end}}
-				require.NoError(t, err)
-				return input
+			{{- end}}
+			"insufficient gas for {{decapitalise $func.Normalized.Name}} should fail": {
+				Caller:	common.Address{1},
+				InputFn: func(t testing.TB) []byte {
+					{{- if len $func.Normalized.Inputs | lt 1}}
+					// CUSTOM CODE STARTS HERE
+					// populate test input here
+					testInput := {{capitalise $func.Normalized.Name}}Input{}
+					input, err := Pack{{$func.Normalized.Name}}(testInput)
+					{{- else if len $func.Normalized.Inputs | eq 1 }}
+					{{- $input := index $func.Normalized.Inputs 0}}
+					// CUSTOM CODE STARTS HERE
+					// set test input to a value here
+					var testInput {{bindtype $input.Type $structs}}
+					input, err := Pack{{$func.Normalized.Name}}(testInput)
+					{{- else}}
+					input, err := Pack{{$func.Normalized.Name}}()
+					{{- end}}
+					require.NoError(t, err)
+					return input
+				},
+				SuppliedGas: {{$func.Normalized.Name}}GasCost - 1,
+				ReadOnly:    false,
+				ExpectedErr: vmerrs.ErrOutOfGas.Error(),
 			},
-			SuppliedGas: {{$func.Normalized.Name}}GasCost - 1,
-			ReadOnly:    false,
-			ExpectedErr: vmerrs.ErrOutOfGas.Error(),
-		},
-		{{- end}}
-	}
+			{{- end}}
+		}
+	)
+
+// Test{{.Contract.Type}}Run tests the Run function of the precompile contract.
+func Test{{.Contract.Type}}Run(t *testing.T) {
 	{{- if .Contract.AllowList}}
 	// Run tests with allowlist tests.
-	// This adds allowlist run tests to your custom tests
+	// This adds allowlist tests to your custom tests
 	// and runs them all together.
 	// Even if you don't add any custom tests, keep this. This will still
 	// run the default allowlist tests.
@@ -139,4 +142,23 @@ func TestRun(t *testing.T) {
 	}
 	{{- end}}
 }
+
+func Benchmark{{.Contract.Type}}(b *testing.B) {
+	{{- if .Contract.AllowList}}
+	// Benchmark tests with allowlist tests.
+	// This adds allowlist tests to your custom tests
+	// and benchmarks them all together.
+	// Even if you don't add any custom tests, keep this. This will still
+	// run the default allowlist tests.
+	allowlist.BenchPrecompileWithAllowList(b, Module, state.NewTestStateDB, tests)
+	{{- else}}
+	// Benchmark tests.
+	for name, test := range tests {
+		b.Run(name, func(b *testing.B) {
+			test.Bench(b, Module, state.NewTestStateDB(b))
+		})
+	}
+	{{- end}}
+}
+
 `
diff --git a/accounts/abi/bind/template.go b/accounts/abi/bind/template.go
index 35e6e481f8..19d11b9c11 100644
--- a/accounts/abi/bind/template.go
+++ b/accounts/abi/bind/template.go
@@ -85,8 +85,7 @@ type TmplStruct struct {
 // tmplSource is language to template mapping containing all the supported
 // programming languages the package can generate to.
 var tmplSource = map[Lang]string{
-	LangGo:   tmplSourceGo,
-	LangJava: tmplSourceJava,
+	LangGo: tmplSourceGo,
 }
 
 // tmplSourceGo is the Go source template that the generated Go contract binding
@@ -120,6 +119,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 {{$structs := .Structs}}
@@ -278,11 +278,11 @@ var (
 
 	// bind{{.Type}} binds a generic wrapper to an already deployed contract.
 	func bind{{.Type}}(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	  parsed, err := abi.JSON(strings.NewReader({{.Type}}ABI))
+	  parsed, err := {{.Type}}MetaData.GetAbi()
 	  if err != nil {
 	    return nil, err
 	  }
-	  return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	  return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 	}
 
 	// Call invokes the (constant) contract method with params as input values and
@@ -335,7 +335,7 @@ var (
 			if err != nil {
 				return *outstruct, err
 			}
-			{{range $i, $t := .Normalized.Outputs}}
+			{{range $i, $t := .Normalized.Outputs}} 
 			outstruct.{{.Name}} = *abi.ConvertType(out[{{$i}}], new({{bindtype .Type $structs}})).(*{{bindtype .Type $structs}}){{end}}
 
 			return *outstruct, err
@@ -345,7 +345,7 @@ var (
 			}
 			{{range $i, $t := .Normalized.Outputs}}
 			out{{$i}} := *abi.ConvertType(out[{{$i}}], new({{bindtype .Type $structs}})).(*{{bindtype .Type $structs}}){{end}}
-
+			
 			return {{range $i, $t := .Normalized.Outputs}}out{{$i}}, {{end}} err
 			{{end}}
 		}
@@ -388,7 +388,7 @@ var (
 		}
 	{{end}}
 
-	{{if .Fallback}}
+	{{if .Fallback}} 
 		// Fallback is a paid mutator transaction binding the contract fallback function.
 		//
 		// Solidity: {{.Fallback.Original.String}}
@@ -402,16 +402,16 @@ var (
 		func (_{{$contract.Type}} *{{$contract.Type}}Session) Fallback(calldata []byte) (*types.Transaction, error) {
 		  return _{{$contract.Type}}.Contract.Fallback(&_{{$contract.Type}}.TransactOpts, calldata)
 		}
-
+	
 		// Fallback is a paid mutator transaction binding the contract fallback function.
-		//
+		// 
 		// Solidity: {{.Fallback.Original.String}}
 		func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) Fallback(calldata []byte) (*types.Transaction, error) {
 		  return _{{$contract.Type}}.Contract.Fallback(&_{{$contract.Type}}.TransactOpts, calldata)
 		}
 	{{end}}
 
-	{{if .Receive}}
+	{{if .Receive}} 
 		// Receive is a paid mutator transaction binding the contract receive function.
 		//
 		// Solidity: {{.Receive.Original.String}}
@@ -425,9 +425,9 @@ var (
 		func (_{{$contract.Type}} *{{$contract.Type}}Session) Receive() (*types.Transaction, error) {
 		  return _{{$contract.Type}}.Contract.Receive(&_{{$contract.Type}}.TransactOpts)
 		}
-
+	
 		// Receive is a paid mutator transaction binding the contract receive function.
-		//
+		// 
 		// Solidity: {{.Receive.Original.String}}
 		func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) Receive() (*types.Transaction, error) {
 		  return _{{$contract.Type}}.Contract.Receive(&_{{$contract.Type}}.TransactOpts)
@@ -579,140 +579,3 @@ var (
  	{{end}}
 {{end}}
 `
-
-// tmplSourceJava is the Java source template that the generated Java contract binding
-// is based on.
-const tmplSourceJava = `
-// This file is an automatically generated Java binding. Do not modify as any
-// change will likely be lost upon the next re-generation!
-
-package {{.Package}};
-
-import org.ethereum.geth.*;
-import java.util.*;
-
-{{$structs := .Structs}}
-{{range $contract := .Contracts}}
-{{if not .Library}}public {{end}}class {{.Type}} {
-	// ABI is the input ABI used to generate the binding from.
-	public final static String ABI = "{{.InputABI}}";
-	{{if $contract.FuncSigs}}
-		// {{.Type}}FuncSigs maps the 4-byte function signature to its string representation.
-		public final static Map<String, String> {{.Type}}FuncSigs;
-		static {
-			Hashtable<String, String> temp = new Hashtable<String, String>();
-			{{range $strsig, $binsig := .FuncSigs}}temp.put("{{$binsig}}", "{{$strsig}}");
-			{{end}}
-			{{.Type}}FuncSigs = Collections.unmodifiableMap(temp);
-		}
-	{{end}}
-	{{if .InputBin}}
-	// BYTECODE is the compiled bytecode used for deploying new contracts.
-	public final static String BYTECODE = "0x{{.InputBin}}";
-
-	// deploy deploys a new Ethereum contract, binding an instance of {{.Type}} to it.
-	public static {{.Type}} deploy(TransactOpts auth, EthereumClient client{{range .Constructor.Inputs}}, {{bindtype .Type $structs}} {{.Name}}{{end}}) throws Exception {
-		Interfaces args = Geth.newInterfaces({{(len .Constructor.Inputs)}});
-		String bytecode = BYTECODE;
-		{{if .Libraries}}
-
-		// "link" contract to dependent libraries by deploying them first.
-		{{range $pattern, $name := .Libraries}}
-		{{capitalise $name}} {{decapitalise $name}}Inst = {{capitalise $name}}.deploy(auth, client);
-		bytecode = bytecode.replace("__${{$pattern}}$__", {{decapitalise $name}}Inst.Address.getHex().substring(2));
-		{{end}}
-		{{end}}
-		{{range $index, $element := .Constructor.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type $structs) .Type}}({{.Name}});args.set({{$index}},arg{{$index}});
-		{{end}}
-		return new {{.Type}}(Geth.deployContract(auth, ABI, Geth.decodeFromHex(bytecode), client, args));
-	}
-
-	// Internal constructor used by contract deployment.
-	private {{.Type}}(BoundContract deployment) {
-		this.Address  = deployment.getAddress();
-		this.Deployer = deployment.getDeployer();
-		this.Contract = deployment;
-	}
-	{{end}}
-
-	// Ethereum address where this contract is located at.
-	public final Address Address;
-
-	// Ethereum transaction in which this contract was deployed (if known!).
-	public final Transaction Deployer;
-
-	// Contract instance bound to a blockchain address.
-	private final BoundContract Contract;
-
-	// Creates a new instance of {{.Type}}, bound to a specific deployed contract.
-	public {{.Type}}(Address address, EthereumClient client) throws Exception {
-		this(Geth.bindContract(address, ABI, client));
-	}
-
-	{{range .Calls}}
-	{{if gt (len .Normalized.Outputs) 1}}
-	// {{capitalise .Normalized.Name}}Results is the output of a call to {{.Normalized.Name}}.
-	public class {{capitalise .Normalized.Name}}Results {
-		{{range $index, $item := .Normalized.Outputs}}public {{bindtype .Type $structs}} {{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}};
-		{{end}}
-	}
-	{{end}}
-
-	// {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}.
-	//
-	// Solidity: {{.Original.String}}
-	public {{if gt (len .Normalized.Outputs) 1}}{{capitalise .Normalized.Name}}Results{{else if eq (len .Normalized.Outputs) 0}}void{{else}}{{range .Normalized.Outputs}}{{bindtype .Type $structs}}{{end}}{{end}} {{.Normalized.Name}}(CallOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type $structs}} {{.Name}}{{end}}) throws Exception {
-		Interfaces args = Geth.newInterfaces({{(len .Normalized.Inputs)}});
-		{{range $index, $item := .Normalized.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type $structs) .Type}}({{.Name}});args.set({{$index}},arg{{$index}});
-		{{end}}
-
-		Interfaces results = Geth.newInterfaces({{(len .Normalized.Outputs)}});
-		{{range $index, $item := .Normalized.Outputs}}Interface result{{$index}} = Geth.newInterface(); result{{$index}}.setDefault{{namedtype (bindtype .Type $structs) .Type}}(); results.set({{$index}}, result{{$index}});
-		{{end}}
-
-		if (opts == null) {
-			opts = Geth.newCallOpts();
-		}
-		this.Contract.call(opts, results, "{{.Original.Name}}", args);
-		{{if gt (len .Normalized.Outputs) 1}}
-			{{capitalise .Normalized.Name}}Results result = new {{capitalise .Normalized.Name}}Results();
-			{{range $index, $item := .Normalized.Outputs}}result.{{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}} = results.get({{$index}}).get{{namedtype (bindtype .Type $structs) .Type}}();
-			{{end}}
-			return result;
-		{{else}}{{range .Normalized.Outputs}}return results.get(0).get{{namedtype (bindtype .Type $structs) .Type}}();{{end}}
-		{{end}}
-	}
-	{{end}}
-
-	{{range .Transacts}}
-	// {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.ID}}.
-	//
-	// Solidity: {{.Original.String}}
-	public Transaction {{.Normalized.Name}}(TransactOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type $structs}} {{.Name}}{{end}}) throws Exception {
-		Interfaces args = Geth.newInterfaces({{(len .Normalized.Inputs)}});
-		{{range $index, $item := .Normalized.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type $structs) .Type}}({{.Name}});args.set({{$index}},arg{{$index}});
-		{{end}}
-		return this.Contract.transact(opts, "{{.Original.Name}}"	, args);
-	}
-	{{end}}
-
-    {{if .Fallback}}
-	// Fallback is a paid mutator transaction binding the contract fallback function.
-	//
-	// Solidity: {{.Fallback.Original.String}}
-	public Transaction Fallback(TransactOpts opts, byte[] calldata) throws Exception {
-		return this.Contract.rawTransact(opts, calldata);
-	}
-    {{end}}
-
-    {{if .Receive}}
-	// Receive is a paid mutator transaction binding the contract receive function.
-	//
-	// Solidity: {{.Receive.Original.String}}
-	public Transaction Receive(TransactOpts opts) throws Exception {
-		return this.Contract.rawTransact(opts, null);
-	}
-    {{end}}
-}
-{{end}}
-`
diff --git a/accounts/abi/error.go b/accounts/abi/error.go
index 60d83ec51f..682b4bd108 100644
--- a/accounts/abi/error.go
+++ b/accounts/abi/error.go
@@ -42,7 +42,7 @@ type Error struct {
 	str    string
 
 	// Sig contains the string signature according to the ABI spec.
-	// e.g.	error foo(uint32 a, int b) = "foo(uint32,int256)"
+	// e.g.	 error foo(uint32 a, int b) = "foo(uint32,int256)"
 	// Please note that "int" is substitute for its canonical representation "int256"
 	Sig string
 
diff --git a/accounts/abi/error_handling.go b/accounts/abi/error_handling.go
index 969ab00b98..a88e7da880 100644
--- a/accounts/abi/error_handling.go
+++ b/accounts/abi/error_handling.go
@@ -33,7 +33,15 @@ import (
 )
 
 var (
-	errBadBool = errors.New("abi: improperly encoded boolean value")
+	errBadBool   = errors.New("abi: improperly encoded boolean value")
+	errBadUint8  = errors.New("abi: improperly encoded uint8 value")
+	errBadUint16 = errors.New("abi: improperly encoded uint16 value")
+	errBadUint32 = errors.New("abi: improperly encoded uint32 value")
+	errBadUint64 = errors.New("abi: improperly encoded uint64 value")
+	errBadInt8   = errors.New("abi: improperly encoded int8 value")
+	errBadInt16  = errors.New("abi: improperly encoded int16 value")
+	errBadInt32  = errors.New("abi: improperly encoded int32 value")
+	errBadInt64  = errors.New("abi: improperly encoded int64 value")
 )
 
 // formatSliceString formats the reflection kind with the given slice size
diff --git a/accounts/abi/reflect.go b/accounts/abi/reflect.go
index 9fc91872e0..9f7a07a0c3 100644
--- a/accounts/abi/reflect.go
+++ b/accounts/abi/reflect.go
@@ -35,9 +35,9 @@ import (
 )
 
 // ConvertType converts an interface of a runtime type into a interface of the
-// given type
-// e.g. turn
-// var fields []reflect.StructField
+// given type, e.g. turn this code:
+//
+//	var fields []reflect.StructField
 //
 //	fields = append(fields, reflect.StructField{
 //			Name: "X",
@@ -45,8 +45,9 @@ import (
 //			Tag:  reflect.StructTag("json:\"" + "x" + "\""),
 //	}
 //
-// into
-// type TupleT struct { X *big.Int }
+// into:
+//
+//	type TupleT struct { X *big.Int }
 func ConvertType(in interface{}, proto interface{}) interface{} {
 	protoType := reflect.TypeOf(proto)
 	if reflect.TypeOf(in).ConvertibleTo(protoType) {
@@ -182,11 +183,12 @@ func setStruct(dst, src reflect.Value) error {
 }
 
 // mapArgNamesToStructFields maps a slice of argument names to struct fields.
-// first round: for each Exportable field that contains a `abi:""` tag
-// and this field name exists in the given argument name list, pair them together.
-// second round: for each argument name that has not been already linked,
-// find what variable is expected to be mapped into, if it exists and has not been
-// used, pair them.
+//
+// first round: for each Exportable field that contains a `abi:""` tag and this field name
+// exists in the given argument name list, pair them together.
+//
+// second round: for each argument name that has not been already linked, find what
+// variable is expected to be mapped into, if it exists and has not been used, pair them.
 //
 // Note this function assumes the given value is a struct value.
 func mapArgNamesToStructFields(argNames []string, value reflect.Value) (map[string]string, error) {
diff --git a/accounts/abi/type.go b/accounts/abi/type.go
index 130ec1fb49..f7dc5e6a82 100644
--- a/accounts/abi/type.go
+++ b/accounts/abi/type.go
@@ -164,6 +164,9 @@ func NewType(t string, internalType string, components []ArgumentMarshaling) (ty
 		if varSize == 0 {
 			typ.T = BytesTy
 		} else {
+			if varSize > 32 {
+				return Type{}, fmt.Errorf("unsupported arg type: %s", t)
+			}
 			typ.T = FixedBytesTy
 			typ.Size = varSize
 		}
diff --git a/accounts/abi/type_test.go b/accounts/abi/type_test.go
index 5d946ae1cd..7c3e508037 100644
--- a/accounts/abi/type_test.go
+++ b/accounts/abi/type_test.go
@@ -376,3 +376,10 @@ func TestGetTypeSize(t *testing.T) {
 		}
 	}
 }
+
+func TestNewFixedBytesOver32(t *testing.T) {
+	_, err := NewType("bytes4096", "", nil)
+	if err == nil {
+		t.Errorf("fixed bytes with size over 32 is not spec'd")
+	}
+}
diff --git a/accounts/abi/unpack.go b/accounts/abi/unpack.go
index 0bab50f770..bc57d71db6 100644
--- a/accounts/abi/unpack.go
+++ b/accounts/abi/unpack.go
@@ -29,6 +29,7 @@ package abi
 import (
 	"encoding/binary"
 	"fmt"
+	"math"
 	"math/big"
 	"reflect"
 
@@ -43,43 +44,72 @@ var (
 )
 
 // ReadInteger reads the integer based on its kind and returns the appropriate value.
-func ReadInteger(typ Type, b []byte) interface{} {
+func ReadInteger(typ Type, b []byte) (interface{}, error) {
+	ret := new(big.Int).SetBytes(b)
+
 	if typ.T == UintTy {
+		u64, isu64 := ret.Uint64(), ret.IsUint64()
 		switch typ.Size {
 		case 8:
-			return b[len(b)-1]
+			if !isu64 || u64 > math.MaxUint8 {
+				return nil, errBadUint8
+			}
+			return byte(u64), nil
 		case 16:
-			return binary.BigEndian.Uint16(b[len(b)-2:])
+			if !isu64 || u64 > math.MaxUint16 {
+				return nil, errBadUint16
+			}
+			return uint16(u64), nil
 		case 32:
-			return binary.BigEndian.Uint32(b[len(b)-4:])
+			if !isu64 || u64 > math.MaxUint32 {
+				return nil, errBadUint32
+			}
+			return uint32(u64), nil
 		case 64:
-			return binary.BigEndian.Uint64(b[len(b)-8:])
+			if !isu64 {
+				return nil, errBadUint64
+			}
+			return u64, nil
 		default:
 			// the only case left for unsigned integer is uint256.
-			return new(big.Int).SetBytes(b)
+			return ret, nil
 		}
 	}
+
+	// big.SetBytes can't tell if a number is negative or positive in itself.
+	// On EVM, if the returned number > max int256, it is negative.
+	// A number is > max int256 if the bit at position 255 is set.
+	if ret.Bit(255) == 1 {
+		ret.Add(MaxUint256, new(big.Int).Neg(ret))
+		ret.Add(ret, common.Big1)
+		ret.Neg(ret)
+	}
+	i64, isi64 := ret.Int64(), ret.IsInt64()
 	switch typ.Size {
 	case 8:
-		return int8(b[len(b)-1])
+		if !isi64 || i64 < math.MinInt8 || i64 > math.MaxInt8 {
+			return nil, errBadInt8
+		}
+		return int8(i64), nil
 	case 16:
-		return int16(binary.BigEndian.Uint16(b[len(b)-2:]))
+		if !isi64 || i64 < math.MinInt16 || i64 > math.MaxInt16 {
+			return nil, errBadInt16
+		}
+		return int16(i64), nil
 	case 32:
-		return int32(binary.BigEndian.Uint32(b[len(b)-4:]))
+		if !isi64 || i64 < math.MinInt32 || i64 > math.MaxInt32 {
+			return nil, errBadInt32
+		}
+		return int32(i64), nil
 	case 64:
-		return int64(binary.BigEndian.Uint64(b[len(b)-8:]))
+		if !isi64 {
+			return nil, errBadInt64
+		}
+		return i64, nil
 	default:
 		// the only case left for integer is int256
-		// big.SetBytes can't tell if a number is negative or positive in itself.
-		// On EVM, if the returned number > max int256, it is negative.
-		// A number is > max int256 if the bit at position 255 is set.
-		ret := new(big.Int).SetBytes(b)
-		if ret.Bit(255) == 1 {
-			ret.Add(MaxUint256, new(big.Int).Neg(ret))
-			ret.Add(ret, common.Big1)
-			ret.Neg(ret)
-		}
-		return ret
+
+		return ret, nil
 	}
 }
 
@@ -133,7 +163,7 @@ func forEachUnpack(t Type, output []byte, start, size int) (interface{}, error)
 		return nil, fmt.Errorf("cannot marshal input to array, size is negative (%d)", size)
 	}
 	if start+32*size > len(output) {
-		return nil, fmt.Errorf("abi: cannot marshal in to go array: offset %d would go over slice boundary (len=%d)", len(output), start+32*size)
+		return nil, fmt.Errorf("abi: cannot marshal into go array: offset %d would go over slice boundary (len=%d)", len(output), start+32*size)
 	}
 
 	// this value will become our slice or our array, depending on the type
@@ -244,7 +274,7 @@ func toGoType(index int, t Type, output []byte) (interface{}, error) {
 	case StringTy: // variable arrays are written at the end of the return bytes
 		return string(output[begin : begin+length]), nil
 	case IntTy, UintTy:
-		return ReadInteger(t, returnOutput), nil
+		return ReadInteger(t, returnOutput)
 	case BoolTy:
 		return readBool(returnOutput)
 	case AddressTy:
diff --git a/accounts/abi/unpack_test.go b/accounts/abi/unpack_test.go
index e5e400ec56..b2e3c25890 100644
--- a/accounts/abi/unpack_test.go
+++ b/accounts/abi/unpack_test.go
@@ -30,6 +30,7 @@ import (
 	"bytes"
 	"encoding/hex"
 	"fmt"
+	"math"
 	"math/big"
 	"reflect"
 	"strconv"
@@ -953,3 +954,164 @@ func TestOOMMaliciousInput(t *testing.T) {
 		}
 	}
 }
+
+func TestPackAndUnpackIncompatibleNumber(t *testing.T) {
+	var encodeABI Arguments
+	uint256Ty, err := NewType("uint256", "", nil)
+	if err != nil {
+		panic(err)
+	}
+	encodeABI = Arguments{
+		{Type: uint256Ty},
+	}
+
+	maxU64, ok := new(big.Int).SetString(strconv.FormatUint(math.MaxUint64, 10), 10)
+	if !ok {
+		panic("bug")
+	}
+	maxU64Plus1 := new(big.Int).Add(maxU64, big.NewInt(1))
+	cases := []struct {
+		decodeType  string
+		inputValue  *big.Int
+		err         error
+		expectValue interface{}
+	}{
+		{
+			decodeType: "uint8",
+			inputValue: big.NewInt(math.MaxUint8 + 1),
+			err:        errBadUint8,
+		},
+		{
+			decodeType:  "uint8",
+			inputValue:  big.NewInt(math.MaxUint8),
+			err:         nil,
+			expectValue: uint8(math.MaxUint8),
+		},
+		{
+			decodeType: "uint16",
+			inputValue: big.NewInt(math.MaxUint16 + 1),
+			err:        errBadUint16,
+		},
+		{
+			decodeType:  "uint16",
+			inputValue:  big.NewInt(math.MaxUint16),
+			err:         nil,
+			expectValue: uint16(math.MaxUint16),
+		},
+		{
+			decodeType: "uint32",
+			inputValue: big.NewInt(math.MaxUint32 + 1),
+			err:        errBadUint32,
+		},
+		{
+			decodeType:  "uint32",
+			inputValue:  big.NewInt(math.MaxUint32),
+			err:         nil,
+			expectValue: uint32(math.MaxUint32),
+		},
+		{
+			decodeType: "uint64",
+			inputValue: maxU64Plus1,
+			err:        errBadUint64,
+		},
+		{
+			decodeType:  "uint64",
+			inputValue:  maxU64,
+			err:         nil,
+			expectValue: uint64(math.MaxUint64),
+		},
+		{
+			decodeType:  "uint256",
+			inputValue:  maxU64Plus1,
+			err:         nil,
+			expectValue: maxU64Plus1,
+		},
+		{
+			decodeType: "int8",
+			inputValue: big.NewInt(math.MaxInt8 + 1),
+			err:        errBadInt8,
+		},
+		{
+			decodeType: "int8",
+			inputValue: big.NewInt(math.MinInt8 - 1),
+			err:        errBadInt8,
+		},
+		{
+			decodeType:  "int8",
+			inputValue:  big.NewInt(math.MaxInt8),
+			err:         nil,
+			expectValue: int8(math.MaxInt8),
+		},
+		{
+			decodeType: "int16",
+			inputValue: big.NewInt(math.MaxInt16 + 1),
+			err:        errBadInt16,
+		},
+		{
+			decodeType: "int16",
+			inputValue: big.NewInt(math.MinInt16 - 1),
+			err:        errBadInt16,
+		},
+		{
+			decodeType:  "int16",
+			inputValue:  big.NewInt(math.MaxInt16),
+			err:         nil,
+			expectValue: int16(math.MaxInt16),
+		},
+		{
+			decodeType: "int32",
+			inputValue: big.NewInt(math.MaxInt32 + 1),
+			err:        errBadInt32,
+		},
+		{
+			decodeType: "int32",
+			inputValue: big.NewInt(math.MinInt32 - 1),
+			err:        errBadInt32,
+		},
+		{
+			decodeType:  "int32",
+			inputValue:  big.NewInt(math.MaxInt32),
+			err:         nil,
+			expectValue: int32(math.MaxInt32),
+		},
+		{
+			decodeType: "int64",
+			inputValue: new(big.Int).Add(big.NewInt(math.MaxInt64), big.NewInt(1)),
+			err:        errBadInt64,
+		},
+		{
+			decodeType: "int64",
+			inputValue: new(big.Int).Sub(big.NewInt(math.MinInt64), big.NewInt(1)),
+			err:        errBadInt64,
+		},
+		{
+			decodeType:  "int64",
+			inputValue:  big.NewInt(math.MaxInt64),
+			err:         nil,
+			expectValue: int64(math.MaxInt64),
+		},
+	}
+	for i, testCase := range cases {
+		packed, err := encodeABI.Pack(testCase.inputValue)
+		if err != nil {
+			panic(err)
+		}
+		ty, err := NewType(testCase.decodeType, "", nil)
+		if err != nil {
+			panic(err)
+		}
+		decodeABI := Arguments{
+			{Type: ty},
+		}
+		decoded, err := decodeABI.Unpack(packed)
+		if err != testCase.err {
+			t.Fatalf("Expected error %v, actual error %v. case %d", testCase.err, err, i)
+		}
+		if err != nil {
+			continue
+		}
+		if !reflect.DeepEqual(decoded[0], testCase.expectValue) {
+			t.Fatalf("Expected value %v, actual value %v", testCase.expectValue, decoded[0])
+		}
+	}
+}
diff --git a/accounts/abi/utils.go b/accounts/abi/utils.go
index dd28ec21c2..62b5fcd4e9 100644
--- a/accounts/abi/utils.go
+++ b/accounts/abi/utils.go
@@ -37,9 +37,8 @@ import "fmt"
 //     and struct definition) name will be converted to camelcase style which
 //     may eventually lead to name conflicts.
 //
-// Name conflicts are mostly resolved by adding number suffix.
-// e.g. if the abi contains Methods send, send1
-// ResolveNameConflict would return send2 for input send.
+// Name conflicts are mostly resolved by adding number suffix. e.g. if the abi contains
+// Methods "send" and "send1", ResolveNameConflict would return "send2" for input "send".
 func ResolveNameConflict(rawName string, used func(string) bool) string {
 	name := rawName
 	ok := used(name)
diff --git a/accounts/keystore/account_cache.go b/accounts/keystore/account_cache.go
index 75ad1961f0..913def043c 100644
--- a/accounts/keystore/account_cache.go
+++ b/accounts/keystore/account_cache.go
@@ -38,7 +38,7 @@ import (
 	"time"
 
 	"github.com/ava-labs/subnet-evm/accounts"
-	mapset "github.com/deckarep/golang-set"
+	mapset "github.com/deckarep/golang-set/v2"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/log"
 )
@@ -89,7 +89,7 @@ func newAccountCache(keydir string) (*accountCache, chan struct{}) {
 		keydir: keydir,
 		byAddr: make(map[common.Address][]accounts.Account),
 		notify: make(chan struct{}, 1),
-		fileC:  fileCache{all: mapset.NewThreadUnsafeSet()},
+		fileC:  fileCache{all: mapset.NewThreadUnsafeSet[string]()},
 	}
 	ac.watcher = newWatcher(ac)
 	return ac, ac.notify
@@ -156,6 +156,14 @@ func (ac *accountCache) deleteByFile(path string) {
 	}
 }
 
+// watcherStarted returns true if the watcher loop started running (even if it
+// has since also ended).
+func (ac *accountCache) watcherStarted() bool {
+	ac.mu.Lock()
+	defer ac.mu.Unlock()
+	return ac.watcher.running || ac.watcher.runEnded
+}
+
 func removeAccount(slice []accounts.Account, elem accounts.Account) []accounts.Account {
 	for i := range slice {
 		if slice[i] == elem {
@@ -285,16 +293,15 @@ func (ac *accountCache) scanAccounts() error {
 	// Process all the file diffs
 	start := time.Now()
 
-	for _, p := range creates.ToSlice() {
-		if a := readAccount(p.(string)); a != nil {
+	for _, path := range creates.ToSlice() {
+		if a := readAccount(path); a != nil {
 			ac.add(*a)
 		}
 	}
-	for _, p := range deletes.ToSlice() {
-		ac.deleteByFile(p.(string))
+	for _, path := range deletes.ToSlice() {
+		ac.deleteByFile(path)
 	}
-	for _, p := range updates.ToSlice() {
-		path := p.(string)
+	for _, path := range updates.ToSlice() {
 		ac.deleteByFile(path)
 		if a := readAccount(path); a != nil {
 			ac.add(*a)
diff --git a/accounts/keystore/account_cache_test.go b/accounts/keystore/account_cache_test.go
index 16e3ba21f9..be030f0c0f 100644
--- a/accounts/keystore/account_cache_test.go
+++ b/accounts/keystore/account_cache_test.go
@@ -60,18 +60,48 @@ var (
 	}
 )
 
-func TestWatchNewFile(t *testing.T) {
-	if os.Getenv("RUN_FLAKY_TESTS") != "true" {
-		t.Skip("FLAKY")
+// waitWatcherStart waits up to 1s for the keystore watcher to start.
+func waitWatcherStart(ks *KeyStore) bool {
+	// On systems where file watch is not supported, just return "ok".
+	if !ks.cache.watcher.enabled() {
+		return true
+	}
+	// The watcher should start, and then exit.
+	for t0 := time.Now(); time.Since(t0) < 1*time.Second; time.Sleep(100 * time.Millisecond) {
+		if ks.cache.watcherStarted() {
+			return true
+		}
 	}
+	return false
+}
+
+func waitForAccounts(wantAccounts []accounts.Account, ks *KeyStore) error {
+	var list []accounts.Account
+	for t0 := time.Now(); time.Since(t0) < 5*time.Second; time.Sleep(200 * time.Millisecond) {
+		list = ks.Accounts()
+		if reflect.DeepEqual(list, wantAccounts) {
+			// ks should have also received change notifications
+			select {
+			case <-ks.changes:
+			default:
+				return fmt.Errorf("wasn't notified of new accounts")
+			}
+			return nil
+		}
+	}
+	return fmt.Errorf("\ngot  %v\nwant %v", list, wantAccounts)
+}
+
+func TestWatchNewFile(t *testing.T) {
 	t.Parallel()
 
 	dir, ks := tmpKeyStore(t, false)
 
 	// Ensure the watcher is started before adding any files.
 	ks.Accounts()
-	time.Sleep(2000 * time.Millisecond)
-
+	if !waitWatcherStart(ks) {
+		t.Fatal("keystore watcher didn't start in time")
+	}
 	// Move in the files.
 	wantAccounts := make([]accounts.Account, len(cachetestAccounts))
 	for i := range cachetestAccounts {
@@ -85,36 +115,24 @@ func TestWatchNewFile(t *testing.T) {
 	}
 
 	// ks should see the accounts.
-	var list []accounts.Account
-	for {
-		list = ks.Accounts()
-		if reflect.DeepEqual(list, wantAccounts) {
-			// ks should have also received change notifications
-			select {
-			case <-ks.changes:
-			default:
-				t.Fatalf("wasn't notified of new accounts")
-			}
-			return
-		}
-		time.Sleep(500 * time.Millisecond)
+	if err := waitForAccounts(wantAccounts, ks); err != nil {
+		t.Error(err)
 	}
 }
 
 func TestWatchNoDir(t *testing.T) {
 	t.Parallel()
-
 	// Create ks but not the directory that it watches.
-	rand.Seed(time.Now().UnixNano())
 	dir := filepath.Join(os.TempDir(), fmt.Sprintf("eth-keystore-watchnodir-test-%d-%d", os.Getpid(), rand.Int()))
 	ks := NewKeyStore(dir, LightScryptN, LightScryptP)
-
 	list := ks.Accounts()
 	if len(list) > 0 {
 		t.Error("initial account list not empty:", list)
 	}
-	time.Sleep(100 * time.Millisecond)
-
+	// The watcher should start, and then exit.
+	if !waitWatcherStart(ks) {
+		t.Fatal("keystore watcher didn't start in time")
+	}
 	// Create the directory and copy a key file into it.
 	os.MkdirAll(dir, 0700)
 	defer os.RemoveAll(dir)
@@ -307,34 +325,12 @@ func TestCacheFind(t *testing.T) {
 	}
 }
 
-func waitForAccounts(wantAccounts []accounts.Account, ks *KeyStore) error {
-	var list []accounts.Account
-	for d := 200 * time.Millisecond; d < 8*time.Second; d *= 2 {
-		list = ks.Accounts()
-		if reflect.DeepEqual(list, wantAccounts) {
-			// ks should have also received change notifications
-			select {
-			case <-ks.changes:
-			default:
-				return fmt.Errorf("wasn't notified of new accounts")
-			}
-			return nil
-		}
-		time.Sleep(d)
-	}
-	return fmt.Errorf("\ngot  %v\nwant %v", list, wantAccounts)
-}
-
 // TestUpdatedKeyfileContents tests that updating the contents of a keystore file
 // is noticed by the watcher, and the account cache is updated accordingly
 func TestUpdatedKeyfileContents(t *testing.T) {
-	if os.Getenv("RUN_FLAKY_TESTS") != "true" {
-		t.Skip("FLAKY")
-	}
 	t.Parallel()
 
 	// Create a temporary keystore to test with
-	rand.Seed(time.Now().UnixNano())
 	dir := filepath.Join(os.TempDir(), fmt.Sprintf("eth-keystore-watch-test-%d-%d", os.Getpid(), rand.Int()))
 	ks := NewKeyStore(dir, LightScryptN, LightScryptP)
 
@@ -342,8 +338,9 @@ func TestUpdatedKeyfileContents(t *testing.T) {
 	if len(list) > 0 {
 		t.Error("initial account list not empty:", list)
 	}
-	time.Sleep(100 * time.Millisecond)
-
+	if !waitWatcherStart(ks) {
+		t.Fatal("keystore watcher didn't start in time")
+	}
 	// Create the directory and copy a key file into it.
 	os.MkdirAll(dir, 0700)
 	defer os.RemoveAll(dir)
@@ -361,9 +358,8 @@ func TestUpdatedKeyfileContents(t *testing.T) {
 		t.Error(err)
 		return
 	}
-
 	// needed so that modTime of `file` is different to its current value after forceCopyFile
-	time.Sleep(1000 * time.Millisecond)
+	time.Sleep(time.Second)
 
 	// Now replace file contents
 	if err := forceCopyFile(file, cachetestAccounts[1].URL.Path); err != nil {
@@ -379,7 +375,7 @@ func TestUpdatedKeyfileContents(t *testing.T) {
 	}
 
 	// needed so that modTime of `file` is different to its current value after forceCopyFile
-	time.Sleep(1000 * time.Millisecond)
+	time.Sleep(time.Second)
 
 	// Now replace file contents again
 	if err := forceCopyFile(file, cachetestAccounts[2].URL.Path); err != nil {
@@ -395,7 +391,7 @@ func TestUpdatedKeyfileContents(t *testing.T) {
 	}
 
 	// needed so that modTime of `file` is different to its current value after os.WriteFile
-	time.Sleep(1000 * time.Millisecond)
+	time.Sleep(time.Second)
 
 	// Now replace file contents with crap
 	if err := os.WriteFile(file, []byte("foo"), 0600); err != nil {
diff --git a/accounts/keystore/file_cache.go b/accounts/keystore/file_cache.go
index 24dba59982..ab24b5c59d 100644
--- a/accounts/keystore/file_cache.go
+++ b/accounts/keystore/file_cache.go
@@ -33,20 +33,20 @@ import (
 	"sync"
 	"time"
 
-	mapset "github.com/deckarep/golang-set"
+	mapset "github.com/deckarep/golang-set/v2"
 	"github.com/ethereum/go-ethereum/log"
 )
 
 // fileCache is a cache of files seen during scan of keystore.
 type fileCache struct {
-	all     mapset.Set // Set of all files from the keystore folder
-	lastMod time.Time  // Last time instance when a file was modified
+	all     mapset.Set[string] // Set of all files from the keystore folder
+	lastMod time.Time          // Last time instance when a file was modified
 	mu      sync.Mutex
 }
 
 // scan performs a new scan on the given directory, compares against the already
 // cached filenames, and returns file sets: creates, deletes, updates.
-func (fc *fileCache) scan(keyDir string) (mapset.Set, mapset.Set, mapset.Set, error) {
+func (fc *fileCache) scan(keyDir string) (mapset.Set[string], mapset.Set[string], mapset.Set[string], error) {
 	t0 := time.Now()
 
 	// List all the files from the keystore folder
@@ -60,8 +60,8 @@ func (fc *fileCache) scan(keyDir string) (mapset.Set, mapset.Set, mapset.Set, er
 	defer fc.mu.Unlock()
 
 	// Iterate all the files and gather their metadata
-	all := mapset.NewThreadUnsafeSet()
-	mods := mapset.NewThreadUnsafeSet()
+	all := mapset.NewThreadUnsafeSet[string]()
+	mods := mapset.NewThreadUnsafeSet[string]()
 
 	var newLastMod time.Time
 	for _, fi := range files {
diff --git a/accounts/keystore/keystore.go b/accounts/keystore/keystore.go
index 74c7053b56..73dab8a36c 100644
--- a/accounts/keystore/keystore.go
+++ b/accounts/keystore/keystore.go
@@ -508,6 +508,14 @@ func (ks *KeyStore) ImportPreSaleKey(keyJSON []byte, passphrase string) (account
 	return a, nil
 }
 
+// isUpdating returns whether the event notification loop is running.
+// This method is mainly meant for tests.
+func (ks *KeyStore) isUpdating() bool {
+	ks.mu.RLock()
+	defer ks.mu.RUnlock()
+	return ks.updating
+}
+
 // zeroKey zeroes a private key in memory.
 func zeroKey(k *ecdsa.PrivateKey) {
 	b := k.D.Bits()
diff --git a/accounts/keystore/keystore_test.go b/accounts/keystore/keystore_test.go
index 55ac02dd7e..dc574e82e1 100644
--- a/accounts/keystore/keystore_test.go
+++ b/accounts/keystore/keystore_test.go
@@ -123,6 +123,7 @@ func TestSignWithPassphrase(t *testing.T) {
 }
 
 func TestTimedUnlock(t *testing.T) {
+	t.Parallel()
 	_, ks := tmpKeyStore(t, true)
 
 	pass := "foo"
@@ -157,6 +158,7 @@ func TestTimedUnlock(t *testing.T) {
 }
 
 func TestOverrideUnlock(t *testing.T) {
+	t.Parallel()
 	_, ks := tmpKeyStore(t, false)
 
 	pass := "foo"
@@ -197,6 +199,7 @@ func TestOverrideUnlock(t *testing.T) {
 
 // This test should fail under -race if signing races the expiration goroutine.
 func TestSignRace(t *testing.T) {
+	t.Parallel()
 	_, ks := tmpKeyStore(t, false)
 
 	// Create a test account.
@@ -221,19 +224,33 @@ func TestSignRace(t *testing.T) {
 	t.Errorf("Account did not lock within the timeout")
 }
 
+// waitForKsUpdating waits until the updating-status of the ks reaches the
+// desired wantStatus.
+// It waits for a maximum time of maxTime, and returns false if it does not
+// finish in time
+func waitForKsUpdating(t *testing.T, ks *KeyStore, wantStatus bool, maxTime time.Duration) bool {
+	t.Helper()
+	// Wait max 250 ms, then return false
+	for t0 := time.Now(); time.Since(t0) < maxTime; {
+		if ks.isUpdating() == wantStatus {
+			return true
+		}
+		time.Sleep(25 * time.Millisecond)
+	}
+	return false
+}
+
 // Tests that the wallet notifier loop starts and stops correctly based on the
 // addition and removal of wallet event subscriptions.
 func TestWalletNotifierLifecycle(t *testing.T) {
+	t.Parallel()
 	// Create a temporary keystore to test with
 	_, ks := tmpKeyStore(t, false)
 
 	// Ensure that the notification updater is not running yet
 	time.Sleep(250 * time.Millisecond)
-	ks.mu.RLock()
-	updating := ks.updating
-	ks.mu.RUnlock()
 
-	if updating {
+	if ks.isUpdating() {
 		t.Errorf("wallet notifier running without subscribers")
 	}
 	// Subscribe to the wallet feed and ensure the updater boots up
@@ -243,38 +260,26 @@ func TestWalletNotifierLifecycle(t *testing.T) {
 	for i := 0; i < len(subs); i++ {
 		// Create a new subscription
 		subs[i] = ks.Subscribe(updates)
-
-		// Ensure the notifier comes online
-		time.Sleep(250 * time.Millisecond)
-		ks.mu.RLock()
-		updating = ks.updating
-		ks.mu.RUnlock()
-
-		if !updating {
+		if !waitForKsUpdating(t, ks, true, 250*time.Millisecond) {
 			t.Errorf("sub %d: wallet notifier not running after subscription", i)
 		}
 	}
-	// Unsubscribe and ensure the updater terminates eventually
-	for i := 0; i < len(subs); i++ {
+	// Close all but one sub
+	for i := 0; i < len(subs)-1; i++ {
 		// Close an existing subscription
 		subs[i].Unsubscribe()
+	}
+	// Check that it is still running
+	time.Sleep(250 * time.Millisecond)
 
-		// Ensure the notifier shuts down at and only at the last close
-		for k := 0; k < int(walletRefreshCycle/(250*time.Millisecond))+2; k++ {
-			ks.mu.RLock()
-			updating = ks.updating
-			ks.mu.RUnlock()
-
-			if i < len(subs)-1 && !updating {
-				t.Fatalf("sub %d: event notifier stopped prematurely", i)
-			}
-			if i == len(subs)-1 && !updating {
-				return
-			}
-			time.Sleep(250 * time.Millisecond)
-		}
+	if !ks.isUpdating() {
+		t.Fatal("event notifier stopped prematurely")
+	}
+	// Unsubscribe the last one and ensure the updater terminates eventually.
+	subs[len(subs)-1].Unsubscribe()
+	if !waitForKsUpdating(t, ks, false, 4*time.Second) {
+		t.Errorf("wallet notifier didn't terminate after unsubscribe")
 	}
-	t.Errorf("wallet notifier didn't terminate after unsubscribe")
 }
 
 type walletEvent struct {
diff --git a/accounts/keystore/watch.go b/accounts/keystore/watch.go
index 1fec0f98ba..e84e4c8546 100644
--- a/accounts/keystore/watch.go
+++ b/accounts/keystore/watch.go
@@ -33,25 +33,27 @@ import (
 	"time"
 
 	"github.com/ethereum/go-ethereum/log"
-	"github.com/rjeczalik/notify"
+	"github.com/fsnotify/fsnotify"
 )
 
 type watcher struct {
 	ac       *accountCache
-	starting bool
-	running  bool
-	ev       chan notify.EventInfo
+	running  bool // set to true when runloop begins
+	runEnded bool // set to true when runloop ends
+	starting bool // set to true prior to runloop starting
 	quit     chan struct{}
 }
 
 func newWatcher(ac *accountCache) *watcher {
 	return &watcher{
 		ac:   ac,
-		ev:   make(chan notify.EventInfo, 10),
 		quit: make(chan struct{}),
 	}
 }
 
+// enabled returns false on systems not supported.
+func (*watcher) enabled() bool { return true }
+
 // starts the watcher loop in the background.
 // Start a watcher in the background if that's not already in progress.
 // The caller must hold w.ac.mu.
@@ -72,16 +74,24 @@ func (w *watcher) loop() {
 		w.ac.mu.Lock()
 		w.running = false
 		w.starting = false
+		w.runEnded = true
 		w.ac.mu.Unlock()
 	}()
 	logger := log.New("path", w.ac.keydir)
 
-	if err := notify.Watch(w.ac.keydir, w.ev, notify.All); err != nil {
-		logger.Trace("Failed to watch keystore folder", "err", err)
+	// Create new watcher.
+	watcher, err := fsnotify.NewWatcher()
+	if err != nil {
+		log.Error("Failed to start filesystem watcher", "err", err)
+		return
+	}
+	defer watcher.Close()
+	if err := watcher.Add(w.ac.keydir); err != nil {
+		logger.Warn("Failed to watch keystore folder", "err", err)
 		return
 	}
-	defer notify.Stop(w.ev)
-	logger.Trace("Started watching keystore folder")
+
+	logger.Trace("Started watching keystore folder", "folder", w.ac.keydir)
 	defer logger.Trace("Stopped watching keystore folder")
 
 	w.ac.mu.Lock()
@@ -105,12 +115,24 @@ func (w *watcher) loop() {
 		select {
 		case <-w.quit:
 			return
-		case <-w.ev:
+		case _, ok := <-watcher.Events:
+			if !ok {
+				return
+			}
 			// Trigger the scan (with delay), if not already triggered
 			if !rescanTriggered {
 				debounce.Reset(debounceDuration)
 				rescanTriggered = true
 			}
+			// The fsnotify library does provide more granular event-info, it
+			// would be possible to refresh individual affected files instead
+			// of scheduling a full rescan. For most cases though, the
+			// full rescan is quick and obviously simplest.
+		case err, ok := <-watcher.Errors:
+			if !ok {
+				return
+			}
+			log.Info("Filsystem watcher error", "err", err)
 		case <-debounce.C:
 			w.ac.scanAccounts()
 			rescanTriggered = false
diff --git a/accounts/keystore/watch_fallback.go b/accounts/keystore/watch_fallback.go
index 1435a23c30..520ff41993 100644
--- a/accounts/keystore/watch_fallback.go
+++ b/accounts/keystore/watch_fallback.go
@@ -32,8 +32,14 @@
 
 package keystore
 
-type watcher struct{ running bool }
+type watcher struct {
+	running  bool
+	runEnded bool
+}
 
 func newWatcher(*accountCache) *watcher { return new(watcher) }
 func (*watcher) start()                 {}
 func (*watcher) close()                 {}
+
+// enabled returns false on systems not supported.
+func (*watcher) enabled() bool { return false }
diff --git a/accounts/manager.go b/accounts/manager.go
index 933405b409..02ef89874f 100644
--- a/accounts/manager.go
+++ b/accounts/manager.go
@@ -267,7 +267,7 @@ func merge(slice []Wallet, wallets ...Wallet) []Wallet {
 	return slice
 }
 
-// drop is the couterpart of merge, which looks up wallets from within the sorted
+// drop is the counterpart of merge, which looks up wallets from within the sorted
 // cache and removes the ones specified.
 func drop(slice []Wallet, wallets ...Wallet) []Wallet {
 	for _, wallet := range wallets {
diff --git a/accounts/scwallet/wallet.go b/accounts/scwallet/wallet.go
index 2517f4fbc3..71a9ac9fbf 100644
--- a/accounts/scwallet/wallet.go
+++ b/accounts/scwallet/wallet.go
@@ -109,8 +109,8 @@ const (
 	P1DeriveKeyFromCurrent = uint8(0x10)
 	statusP1WalletStatus   = uint8(0x00)
 	statusP1Path           = uint8(0x01)
-	signP1PrecomputedHash  = uint8(0x01)
-	signP2OnlyBlock        = uint8(0x81)
+	signP1PrecomputedHash  = uint8(0x00)
+	signP2OnlyBlock        = uint8(0x00)
 	exportP1Any            = uint8(0x00)
 	exportP2Pubkey         = uint8(0x01)
 )
diff --git a/cmd/abigen/main.go b/cmd/abigen/main.go
index 08900279d0..a11646714a 100644
--- a/cmd/abigen/main.go
+++ b/cmd/abigen/main.go
@@ -43,14 +43,6 @@ import (
 	"github.com/urfave/cli/v2"
 )
 
-var (
-	// Git SHA1 commit hash of the release (set via linker flags)
-	gitCommit = ""
-	gitDate   = ""
-
-	app *cli.App
-)
-
 var (
 	// Flags needed by abigen
 	abiFlag = &cli.StringFlag{
@@ -83,7 +75,7 @@ var (
 	}
 	langFlag = &cli.StringFlag{
 		Name:  "lang",
-		Usage: "Destination language for the bindings (go, java, objc)",
+		Usage: "Destination language for the bindings (go)",
 		Value: "go",
 	}
 	aliasFlag = &cli.StringFlag{
@@ -92,8 +84,9 @@ var (
 	}
 )
 
+var app = flags.NewApp("Ethereum ABI wrapper code generator")
+
 func init() {
-	app = flags.NewApp(gitCommit, gitDate, "ethereum checkpoint helper tool")
 	app.Name = "abigen"
 	app.Flags = []cli.Flag{
 		abiFlag,
@@ -119,11 +112,6 @@ func abigen(c *cli.Context) error {
 	switch c.String(langFlag.Name) {
 	case "go":
 		lang = bind.LangGo
-	case "java":
-		lang = bind.LangJava
-	case "objc":
-		lang = bind.LangObjC
-		utils.Fatalf("Objc binding generation is uncompleted")
 	default:
 		utils.Fatalf("Unsupported destination language \"%s\" (--lang)", c.String(langFlag.Name))
 	}
@@ -171,9 +159,12 @@ func abigen(c *cli.Context) error {
 		types = append(types, kind)
 	} else {
 		// Generate the list of types to exclude from binding
-		exclude := make(map[string]bool)
-		for _, kind := range strings.Split(c.String(excFlag.Name), ",") {
-			exclude[strings.ToLower(kind)] = true
+		var exclude *nameFilter
+		if c.IsSet(excFlag.Name) {
+			var err error
+			if exclude, err = newNameFilter(strings.Split(c.String(excFlag.Name), ",")...); err != nil {
+				utils.Fatalf("Failed to parse excludes: %v", err)
+			}
 		}
 		var contracts map[string]*compiler.Contract
 
@@ -198,7 +189,11 @@ func abigen(c *cli.Context) error {
 		}
 		// Gather all non-excluded contract for binding
 		for name, contract := range contracts {
-			if exclude[strings.ToLower(name)] {
+			// fully qualified name is of the form <solFilePath>:<type>
+			nameParts := strings.Split(name, ":")
+			typeName := nameParts[len(nameParts)-1]
+			if exclude != nil && exclude.Matches(name) {
+				fmt.Fprintf(os.Stderr, "excluding: %v\n", name)
 				continue
 			}
 			abi, err := json.Marshal(contract.Info.AbiDefinition) // Flatten the compiler parse
@@ -208,15 +203,14 @@ func abigen(c *cli.Context) error {
 			abis = append(abis, string(abi))
 			bins = append(bins, contract.Code)
 			sigs = append(sigs, contract.Hashes)
-			nameParts := strings.Split(name, ":")
-			types = append(types, nameParts[len(nameParts)-1])
+			types = append(types, typeName)
 
 			// Derive the library placeholder which is a 34 character prefix of the
 			// hex encoding of the keccak256 hash of the fully qualified library name.
 			// Note that the fully qualified library name is the path of its source
 			// file and the library name separated by ":".
 			libPattern := crypto.Keccak256Hash([]byte(name)).String()[2:36] // the first 2 chars are 0x
-			libs[libPattern] = nameParts[len(nameParts)-1]
+			libs[libPattern] = typeName
 		}
 	}
 	// Extract all aliases from the flags
diff --git a/cmd/abigen/namefilter.go b/cmd/abigen/namefilter.go
new file mode 100644
index 0000000000..5fcf6e17a0
--- /dev/null
+++ b/cmd/abigen/namefilter.go
@@ -0,0 +1,67 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+package main
+
+import (
+	"fmt"
+	"strings"
+)
+
+type nameFilter struct {
+	fulls map[string]bool // path/to/contract.sol:Type
+	files map[string]bool // path/to/contract.sol:*
+	types map[string]bool // *:Type
+}
+
+func newNameFilter(patterns ...string) (*nameFilter, error) {
+	f := &nameFilter{
+		fulls: make(map[string]bool),
+		files: make(map[string]bool),
+		types: make(map[string]bool),
+	}
+	for _, pattern := range patterns {
+		if err := f.add(pattern); err != nil {
+			return nil, err
+		}
+	}
+	return f, nil
+}
+
+func (f *nameFilter) add(pattern string) error {
+	ft := strings.Split(pattern, ":")
+	if len(ft) != 2 {
+		// filenames and types must not include ':' symbol
+		return fmt.Errorf("invalid pattern: %s", pattern)
+	}
+
+	file, typ := ft[0], ft[1]
+	if file == "*" {
+		f.types[typ] = true
+		return nil
+	} else if typ == "*" {
+		f.files[file] = true
+		return nil
+	}
+	f.fulls[pattern] = true
+	return nil
+}
+
+func (f *nameFilter) Matches(name string) bool {
+	ft := strings.Split(name, ":")
+	if len(ft) != 2 {
+		// If contract names are always of the fully-qualified form
+		// <filePath>:<type>, then this case will never happen.
+		return false
+	}
+
+	file, typ := ft[0], ft[1]
+	// full paths > file paths > types
+	return f.fulls[name] || f.files[file] || f.types[typ]
+}
diff --git a/cmd/abigen/namefilter_test.go b/cmd/abigen/namefilter_test.go
new file mode 100644
index 0000000000..051eb04e95
--- /dev/null
+++ b/cmd/abigen/namefilter_test.go
@@ -0,0 +1,47 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+package main
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestNameFilter(t *testing.T) {
+	_, err := newNameFilter("Foo")
+	require.Error(t, err)
+	_, err = newNameFilter("too/many:colons:Foo")
+	require.Error(t, err)
+
+	f, err := newNameFilter("a/path:A", "*:B", "c/path:*")
+	require.NoError(t, err)
+
+	for _, tt := range []struct {
+		name  string
+		match bool
+	}{
+		{"a/path:A", true},
+		{"unknown/path:A", false},
+		{"a/path:X", false},
+		{"unknown/path:X", false},
+		{"any/path:B", true},
+		{"c/path:X", true},
+		{"c/path:foo:B", false},
+	} {
+		match := f.Matches(tt.name)
+		if tt.match {
+			assert.True(t, match, "expected match")
+		} else {
+			assert.False(t, match, "expected no match")
+		}
+	}
+}
diff --git a/cmd/precompilegen/main.go b/cmd/precompilegen/main.go
index a2941cddee..29e5bf8135 100644
--- a/cmd/precompilegen/main.go
+++ b/cmd/precompilegen/main.go
@@ -44,12 +44,6 @@ import (
 )
 
 var (
-	// Git SHA1 commit hash of the release (set via linker flags)
-	gitCommit = ""
-	gitDate   = ""
-
-	app *cli.App
-
 	//go:embed template-readme.md
 	readme string
 )
@@ -74,8 +68,9 @@ var (
 	}
 )
 
+var app = flags.NewApp("subnet-evm precompile generator tool")
+
 func init() {
-	app = flags.NewApp(gitCommit, gitDate, "subnet-evm precompile generator tool")
 	app.Name = "precompilegen"
 	app.Flags = []cli.Flag{
 		abiFlag,
diff --git a/cmd/precompilegen/template-readme.md b/cmd/precompilegen/template-readme.md
index be1ebe81bd..d81e622b2b 100644
--- a/cmd/precompilegen/template-readme.md
+++ b/cmd/precompilegen/template-readme.md
@@ -15,8 +15,9 @@ Modifying code outside of these areas should be done with caution and with a dee
 6- Add your config unit tests under generated package config_test.go
 7- Add your contract unit tests under generated package contract_test.go
 8- Additionally you can add a full-fledged VM test for your precompile under plugin/vm/vm_test.go. See existing precompile tests for examples.
-9- Add your solidity interface and test contract to contract-examples/contracts
-10- Write solidity tests for your precompile in contract-examples/test
-11- Create your genesis with your precompile enabled in tests/precompile/genesis/
-12- Create e2e test for your solidity test in tests/precompile/solidity/suites.go
-13- Run your e2e precompile Solidity tests with './scripts/run_ginkgo.sh`
+9- Add your solidity interface and test contract to contracts/contracts
+10- Write solidity contract tests for your precompile in contracts/contracts/test
+11- Write TypeScript DS-Test counterparts for your solidity tests in contracts/test
+12- Create your genesis with your precompile enabled in tests/precompile/genesis/
+13- Create e2e test for your solidity test in tests/precompile/solidity/suites.go
+14- Run your e2e precompile Solidity tests with './scripts/run_ginkgo.sh`
diff --git a/cmd/simulator/README.md b/cmd/simulator/README.md
index 73c4a75ab9..f05304c079 100644
--- a/cmd/simulator/README.md
+++ b/cmd/simulator/README.md
@@ -35,22 +35,22 @@ To start a single node network, follow the instructions from the AvalancheGo [RE
 Once you've built AvalancheGo, open the AvalancheGo directory in a separate terminal window and run a single node non-staking network with the following command:
 
 ```bash
-./build/avalanchego --staking-enabled=false --network-id=local
+./build/avalanchego --sybil-protection-enabled=false --network-id=local
 ```
 
-:::warning
+WARNING:
+
 The staking-enabled flag is only for local testing. Disabling staking serves two functions explicitly for testing purposes:
 
 1. Ignore stake weight on the P-Chain and count each connected peer as having a stake weight of 1
 2. Automatically opts in to validate every Subnet
-:::
 
 Once you have AvalancheGo running locally, it will be running an HTTP Server on the default port `9650`. This means that the RPC Endpoint for the C-Chain will be http://127.0.0.1:9650/ext/bc/C/rpc and ws://127.0.0.1:9650/ext/bc/C/ws for WebSocket connections.
 
 Now, we can run the simulator command to simulate some load on the local C-Chain for 30s:
 
 ```bash
-./simulator --timeout=1m --concurrency=1 --max-fee-cap=300 --max-tip-cap=10 --txs-per-worker=50
+./simulator --timeout=1m --workers=1 --max-fee-cap=300 --max-tip-cap=10 --txs-per-worker=50
 ```
 
 ## Command Line Flags
diff --git a/cmd/simulator/config/flags.go b/cmd/simulator/config/flags.go
index b071d3adc9..d1db9f1b68 100644
--- a/cmd/simulator/config/flags.go
+++ b/cmd/simulator/config/flags.go
@@ -13,7 +13,7 @@ import (
 	"github.com/spf13/viper"
 )
 
-const Version = "v0.1.0"
+const Version = "v0.1.1"
 
 const (
 	ConfigFilePathKey = "config-file"
@@ -26,6 +26,8 @@ const (
 	KeyDirKey         = "key-dir"
 	VersionKey        = "version"
 	TimeoutKey        = "timeout"
+	BatchSizeKey      = "batch-size"
+	MetricsPortKey    = "metrics-port"
 )
 
 var (
@@ -42,6 +44,8 @@ type Config struct {
 	TxsPerWorker uint64        `json:"txs-per-worker"`
 	KeyDir       string        `json:"key-dir"`
 	Timeout      time.Duration `json:"timeout"`
+	BatchSize    uint64        `json:"batch-size"`
+	MetricsPort  uint64        `json:"metrics-port"`
 }
 
 func BuildConfig(v *viper.Viper) (Config, error) {
@@ -53,6 +57,8 @@ func BuildConfig(v *viper.Viper) (Config, error) {
 		TxsPerWorker: v.GetUint64(TxsPerWorkerKey),
 		KeyDir:       v.GetString(KeyDirKey),
 		Timeout:      v.GetDuration(TimeoutKey),
+		BatchSize:    v.GetUint64(BatchSizeKey),
+		MetricsPort:  v.GetUint64(MetricsPortKey),
 	}
 	if len(c.Endpoints) == 0 {
 		return c, ErrNoEndpoints
@@ -114,4 +120,6 @@ func addSimulatorFlags(fs *pflag.FlagSet) {
 	fs.String(KeyDirKey, ".simulator/keys", "Specify the directory to save private keys in (INSECURE: only use for testing)")
 	fs.Duration(TimeoutKey, 5*time.Minute, "Specify the timeout for the simulator to complete (0 indicates no timeout)")
 	fs.String(LogLevelKey, "info", "Specify the log level to use in the simulator")
+	fs.Uint64(BatchSizeKey, 100, "Specify the batchsize for the worker to issue and confirm txs")
+	fs.Uint64(MetricsPortKey, 8082, "Specify the port to use for the metrics server")
 }
diff --git a/cmd/simulator/load/funder.go b/cmd/simulator/load/funder.go
index 6e502a7ba7..4e7cca00cc 100644
--- a/cmd/simulator/load/funder.go
+++ b/cmd/simulator/load/funder.go
@@ -10,6 +10,8 @@ import (
 	"math/big"
 
 	"github.com/ava-labs/subnet-evm/cmd/simulator/key"
+	"github.com/ava-labs/subnet-evm/cmd/simulator/metrics"
+	"github.com/ava-labs/subnet-evm/cmd/simulator/txs"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/ethclient"
 	"github.com/ava-labs/subnet-evm/params"
@@ -20,7 +22,7 @@ import (
 // DistributeFunds ensures that each address in keys has at least [minFundsPerAddr] by sending funds
 // from the key with the highest starting balance.
 // This function returns a set of at least [numKeys] keys, each having a minimum balance [minFundsPerAddr].
-func DistributeFunds(ctx context.Context, client ethclient.Client, keys []*key.Key, numKeys int, minFundsPerAddr *big.Int) ([]*key.Key, error) {
+func DistributeFunds(ctx context.Context, client ethclient.Client, keys []*key.Key, numKeys int, minFundsPerAddr *big.Int, m *metrics.Metrics) ([]*key.Key, error) {
 	if len(keys) < numKeys {
 		return nil, fmt.Errorf("insufficient number of keys %d < %d", len(keys), numKeys)
 	}
@@ -80,7 +82,7 @@ func DistributeFunds(ctx context.Context, client ethclient.Client, keys []*key.K
 	signer := types.LatestSignerForChainID(chainID)
 
 	// Generate a sequence of transactions to distribute the required funds.
-	log.Info("Generating distribution transactions")
+	log.Info("Generating distribution transactions...")
 	i := 0
 	txGenerator := func(key *ecdsa.PrivateKey, nonce uint64) (*types.Transaction, error) {
 		tx, err := types.SignNewTx(key, signer, &types.DynamicFeeTx{
@@ -99,23 +101,24 @@ func DistributeFunds(ctx context.Context, client ethclient.Client, keys []*key.K
 		i++
 		return tx, nil
 	}
-	txs, err := GenerateTxSequence(ctx, txGenerator, client, maxFundsKey.PrivKey, uint64(len(needFundsAddrs)))
+
+	numTxs := uint64(len(needFundsAddrs))
+	txSequence, err := txs.GenerateTxSequence(ctx, txGenerator, client, maxFundsKey.PrivKey, numTxs)
 	if err != nil {
 		return nil, fmt.Errorf("failed to generate fund distribution sequence from %s of length %d", maxFundsKey.Address, len(needFundsAddrs))
 	}
+	worker := NewSingleAddressTxWorker(ctx, client, maxFundsKey.Address)
+	txFunderAgent := txs.NewIssueNAgent[*types.Transaction](txSequence, worker, numTxs, m)
 
-	log.Info("Executing distribution transactions...")
-	worker := NewWorker(client, maxFundsKey.Address, txs)
-	if err := worker.Execute(ctx); err != nil {
+	if err := txFunderAgent.Execute(ctx); err != nil {
 		return nil, err
 	}
-
 	for _, addr := range needFundsAddrs {
 		balance, err := client.BalanceAt(ctx, addr, nil)
 		if err != nil {
 			return nil, fmt.Errorf("failed to fetch balance for addr %s: %w", addr, err)
 		}
-		log.Info("Funded address has balance", "balance", balance)
+		log.Info("Funded address has balance", "addr", addr, "balance", balance)
 	}
 	fundedKeys = append(fundedKeys, needFundsKeys...)
 	return fundedKeys, nil
diff --git a/cmd/simulator/load/loader.go b/cmd/simulator/load/loader.go
index 3fd423a2a5..2c8458f035 100644
--- a/cmd/simulator/load/loader.go
+++ b/cmd/simulator/load/loader.go
@@ -6,45 +6,86 @@ package load
 import (
 	"context"
 	"crypto/ecdsa"
+	"errors"
 	"fmt"
+	"io/ioutil"
 	"math/big"
+	"net/http"
+	"os"
+	"os/signal"
+	"strconv"
+	"strings"
+	"syscall"
 
 	"github.com/ava-labs/subnet-evm/cmd/simulator/config"
 	"github.com/ava-labs/subnet-evm/cmd/simulator/key"
+	"github.com/ava-labs/subnet-evm/cmd/simulator/metrics"
+	"github.com/ava-labs/subnet-evm/cmd/simulator/txs"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/ethclient"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ethereum/go-ethereum/common"
 	ethcrypto "github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/log"
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
+	"golang.org/x/sync/errgroup"
 )
 
-// CreateLoader creates a WorkerGroup from [config] to perform the specified simulation.
-func CreateLoader(ctx context.Context, config config.Config) (*WorkerGroup, error) {
+const (
+	MetricsEndpoint = "/metrics" // Endpoint for the Prometheus Metrics Server
+)
+
+// ExecuteLoader creates txSequences from [config] and has txAgents execute the specified simulation.
+func ExecuteLoader(ctx context.Context, config config.Config) error {
+	if config.Timeout > 0 {
+		var cancel context.CancelFunc
+		ctx, cancel = context.WithTimeout(ctx, config.Timeout)
+		defer cancel()
+	}
+
+	// Create buffered sigChan to receive SIGINT notifications
+	sigChan := make(chan os.Signal, 1)
+	signal.Notify(sigChan, syscall.SIGINT)
+
+	// Create context with cancel
+	ctx, cancel := context.WithCancel(ctx)
+
+	go func() {
+		// Blocks until we receive a SIGINT notification or if parent context is done
+		select {
+		case <-sigChan:
+		case <-ctx.Done():
+		}
+
+		// Cancel the child context and end all processes
+		cancel()
+	}()
+
 	// Construct the arguments for the load simulator
 	clients := make([]ethclient.Client, 0, len(config.Endpoints))
 	for i := 0; i < config.Workers; i++ {
 		clientURI := config.Endpoints[i%len(config.Endpoints)]
 		client, err := ethclient.Dial(clientURI)
 		if err != nil {
-			return nil, fmt.Errorf("failed to dial client at %s: %w", clientURI, err)
+			return fmt.Errorf("failed to dial client at %s: %w", clientURI, err)
 		}
 		clients = append(clients, client)
 	}
 
 	keys, err := key.LoadAll(ctx, config.KeyDir)
 	if err != nil {
-		return nil, err
+		return err
 	}
 	// Ensure there are at least [config.Workers] keys and save any newly generated ones.
 	if len(keys) < config.Workers {
 		for i := 0; len(keys) < config.Workers; i++ {
 			newKey, err := key.Generate()
 			if err != nil {
-				return nil, fmt.Errorf("failed to generate %d new key: %w", i, err)
+				return fmt.Errorf("failed to generate %d new key: %w", i, err)
 			}
 			if err := newKey.Save(config.KeyDir); err != nil {
-				return nil, fmt.Errorf("failed to save %d new key: %w", i, err)
+				return fmt.Errorf("failed to save %d new key: %w", i, err)
 			}
 			keys = append(keys, newKey)
 		}
@@ -54,11 +95,18 @@ func CreateLoader(ctx context.Context, config config.Config) (*WorkerGroup, erro
 	// to fund gas for all of their transactions.
 	maxFeeCap := new(big.Int).Mul(big.NewInt(params.GWei), big.NewInt(config.MaxFeeCap))
 	minFundsPerAddr := new(big.Int).Mul(maxFeeCap, big.NewInt(int64(config.TxsPerWorker*params.TxGas)))
+
+	// Create metrics
+	reg := prometheus.NewRegistry()
+	m := metrics.NewMetrics(reg)
+	metricsPort := strconv.Itoa(int(config.MetricsPort))
+
 	log.Info("Distributing funds", "numTxsPerWorker", config.TxsPerWorker, "minFunds", minFundsPerAddr)
-	keys, err = DistributeFunds(ctx, clients[0], keys, config.Workers, minFundsPerAddr)
+	keys, err = DistributeFunds(ctx, clients[0], keys, config.Workers, minFundsPerAddr, m)
 	if err != nil {
-		return nil, err
+		return err
 	}
+	log.Info("Distributed funds successfully")
 
 	pks := make([]*ecdsa.PrivateKey, 0, len(keys))
 	senders := make([]common.Address, 0, len(keys))
@@ -73,10 +121,11 @@ func CreateLoader(ctx context.Context, config config.Config) (*WorkerGroup, erro
 	client := clients[0]
 	chainID, err := client.ChainID(ctx)
 	if err != nil {
-		return nil, fmt.Errorf("failed to fetch chainID: %w", err)
+		return fmt.Errorf("failed to fetch chainID: %w", err)
 	}
 	signer := types.LatestSignerForChainID(chainID)
 
+	log.Info("Creating transaction sequences...")
 	txGenerator := func(key *ecdsa.PrivateKey, nonce uint64) (*types.Transaction, error) {
 		addr := ethcrypto.PubkeyToAddress(key.PublicKey)
 		tx, err := types.SignNewTx(key, signer, &types.DynamicFeeTx{
@@ -94,26 +143,79 @@ func CreateLoader(ctx context.Context, config config.Config) (*WorkerGroup, erro
 		}
 		return tx, nil
 	}
-	txSequences, err := GenerateTxSequences(ctx, txGenerator, clients[0], pks, config.TxsPerWorker)
+	txSequences, err := txs.GenerateTxSequences(ctx, txGenerator, clients[0], pks, config.TxsPerWorker)
 	if err != nil {
-		return nil, err
+		return err
+	}
+
+	log.Info("Constructing tx agents...", "numAgents", config.Workers)
+	agents := make([]txs.Agent[*types.Transaction], 0, config.Workers)
+	for i := 0; i < config.Workers; i++ {
+		agents = append(agents, txs.NewIssueNAgent[*types.Transaction](txSequences[i], NewSingleAddressTxWorker(ctx, clients[i], senders[i]), config.BatchSize, m))
 	}
 
-	wg := NewWorkerGroup(clients[:config.Workers], senders[:config.Workers], txSequences[:config.Workers])
-	return wg, nil
+	log.Info("Starting tx agents...")
+	eg := errgroup.Group{}
+	for _, agent := range agents {
+		agent := agent
+		eg.Go(func() error {
+			return agent.Execute(ctx)
+		})
+	}
+
+	go startMetricsServer(ctx, metricsPort, reg)
+
+	log.Info("Waiting for tx agents...")
+	if err := eg.Wait(); err != nil {
+		return err
+	}
+	log.Info("Tx agents completed successfully.")
+
+	printOutputFromMetricsServer(metricsPort)
+	return nil
 }
 
-// ExecuteLoader runs the load simulation specified by config.
-func ExecuteLoader(ctx context.Context, config config.Config) error {
-	if config.Timeout > 0 {
-		var cancel context.CancelFunc
-		ctx, cancel = context.WithTimeout(ctx, config.Timeout)
-		defer cancel()
+func startMetricsServer(ctx context.Context, metricsPort string, reg *prometheus.Registry) {
+	// Create a prometheus server to expose individual tx metrics
+	server := &http.Server{
+		Addr: fmt.Sprintf(":%s", metricsPort),
 	}
 
-	loader, err := CreateLoader(ctx, config)
+	// Start up go routine to listen for SIGINT notifications to gracefully shut down server
+	go func() {
+		// Blocks until signal is received
+		<-ctx.Done()
+
+		if err := server.Shutdown(ctx); err != nil {
+			log.Error("Metrics server error: %v", err)
+		}
+		log.Info("Received a SIGINT signal: Gracefully shutting down metrics server")
+	}()
+
+	// Start metrics server
+	http.Handle(MetricsEndpoint, promhttp.HandlerFor(reg, promhttp.HandlerOpts{Registry: reg}))
+	log.Info(fmt.Sprintf("Metrics Server: localhost:%s%s", metricsPort, MetricsEndpoint))
+	if err := server.ListenAndServe(); !errors.Is(err, http.ErrServerClosed) {
+		log.Error("Metrics server error: %v", err)
+	}
+}
+
+func printOutputFromMetricsServer(metricsPort string) {
+	// Get response from server
+	resp, err := http.Get(fmt.Sprintf("http://localhost:%s%s", metricsPort, MetricsEndpoint))
 	if err != nil {
-		return err
+		log.Error("cannot get response from metrics servers", "err", err)
+		return
+	}
+	// Read response body
+	respBody, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		log.Error("cannot read response body", "err", err)
+		return
+	}
+	// Print out formatted individual metrics
+	parts := strings.Split(string(respBody), "\n")
+	for _, s := range parts {
+		fmt.Printf("       \t\t\t%s\n", s)
 	}
-	return loader.Execute(ctx)
 }
diff --git a/cmd/simulator/load/worker.go b/cmd/simulator/load/worker.go
index 521298a8a6..adebc21922 100644
--- a/cmd/simulator/load/worker.go
+++ b/cmd/simulator/load/worker.go
@@ -10,102 +10,74 @@ import (
 
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/ethclient"
+	"github.com/ava-labs/subnet-evm/interfaces"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/log"
 )
 
-type Worker struct {
-	client  ethclient.Client
-	address common.Address
-	txs     []*types.Transaction
-}
+type singleAddressTxWorker struct {
+	client ethclient.Client
 
-// NewWorker creates a new worker that will issue the sequence of transactions from the given address
-//
-// Assumes that all transactions are from the same address, ordered by nonce, and this worker has exclusive access
-// to issuance of transactions from the underlying private key.
-func NewWorker(client ethclient.Client, address common.Address, txs []*types.Transaction) *Worker {
-	return &Worker{
-		client:  client,
-		address: address,
-		txs:     txs,
-	}
-}
+	acceptedNonce uint64
+	address       common.Address
 
-func (w *Worker) ExecuteTxsFromAddress(ctx context.Context) error {
-	log.Info("Executing txs", "numTxs", len(w.txs))
-	for i, tx := range w.txs {
-		start := time.Now()
-		err := w.client.SendTransaction(ctx, tx)
-		if err != nil {
-			return fmt.Errorf("failed to issue tx %d: %w", i, err)
-		}
-		log.Info("execute tx", "tx", tx.Hash(), "nonce", tx.Nonce(), "duration", time.Since(start))
-	}
-	return nil
+	sub      interfaces.Subscription
+	newHeads chan *types.Header
 }
 
-// AwaitTxs awaits for the nonce of the last transaction issued by the worker to be confirmed or
-// rejected by the network.
-//
-// Assumes that a non-zero number of transactions were already generated and that they were issued
-// by this worker.
-func (w *Worker) AwaitTxs(ctx context.Context) error {
-	nonce := w.txs[len(w.txs)-1].Nonce()
-
+// NewSingleAddressTxWorker creates and returns a singleAddressTxWorker
+func NewSingleAddressTxWorker(ctx context.Context, client ethclient.Client, address common.Address) *singleAddressTxWorker {
 	newHeads := make(chan *types.Header)
-	defer close(newHeads)
+	tw := &singleAddressTxWorker{
+		client:   client,
+		address:  address,
+		newHeads: newHeads,
+	}
 
-	sub, err := w.client.SubscribeNewHead(ctx, newHeads)
+	sub, err := client.SubscribeNewHead(ctx, newHeads)
 	if err != nil {
 		log.Debug("failed to subscribe new heads, falling back to polling", "err", err)
 	} else {
-		defer sub.Unsubscribe()
+		tw.sub = sub
 	}
 
+	return tw
+}
+
+func (tw *singleAddressTxWorker) IssueTx(ctx context.Context, tx *types.Transaction) error {
+	return tw.client.SendTransaction(ctx, tx)
+}
+
+func (tw *singleAddressTxWorker) ConfirmTx(ctx context.Context, tx *types.Transaction) error {
+	txNonce := tx.Nonce()
+
 	for {
+		// If the is less than what has already been accepted, the transaction is confirmed
+		if txNonce < tw.acceptedNonce {
+			return nil
+		}
+
 		select {
-		case <-newHeads:
+		case <-tw.newHeads:
 		case <-time.After(time.Second):
 		case <-ctx.Done():
-			return fmt.Errorf("failed to await nonce: %w", ctx.Err())
+			return fmt.Errorf("failed to await tx %s nonce %d: %w", tx.Hash(), txNonce, ctx.Err())
 		}
 
-		currentNonce, err := w.client.NonceAt(ctx, w.address, nil)
+		// Update the worker's accepted nonce, so we can check on the next iteration
+		// if the transaction has been accepted.
+		acceptedNonce, err := tw.client.NonceAt(ctx, tw.address, nil)
 		if err != nil {
-			log.Warn("failed to get nonce", "err", err)
-		}
-		if currentNonce >= nonce {
-			return nil
-		} else {
-			log.Info("fetched nonce", "awaiting", nonce, "currentNonce", currentNonce)
+			return fmt.Errorf("failed to await tx %s nonce %d: %w", tx.Hash(), txNonce, err)
 		}
+		tw.acceptedNonce = acceptedNonce
 	}
 }
 
-// ConfirmAllTransactions iterates over every transaction of this worker and confirms it
-// via eth_getTransactionByHash
-func (w *Worker) ConfirmAllTransactions(ctx context.Context) error {
-	for i, tx := range w.txs {
-		_, isPending, err := w.client.TransactionByHash(ctx, tx.Hash())
-		if err != nil {
-			return fmt.Errorf("failed to confirm tx at index %d: %s", i, tx.Hash())
-		}
-		if isPending {
-			return fmt.Errorf("failed to confirm tx at index %d: pending", i)
-		}
+func (tw *singleAddressTxWorker) Close(ctx context.Context) error {
+	if tw.sub != nil {
+		tw.sub.Unsubscribe()
 	}
-	log.Info("Confirmed all transactions")
+	close(tw.newHeads)
 	return nil
 }
-
-// Execute issues and confirms all transactions for the worker.
-func (w *Worker) Execute(ctx context.Context) error {
-	if err := w.ExecuteTxsFromAddress(ctx); err != nil {
-		return err
-	}
-	if err := w.AwaitTxs(ctx); err != nil {
-		return err
-	}
-	return w.ConfirmAllTransactions(ctx)
-}
diff --git a/cmd/simulator/load/workers.go b/cmd/simulator/load/workers.go
deleted file mode 100644
index 8dd5cbb878..0000000000
--- a/cmd/simulator/load/workers.go
+++ /dev/null
@@ -1,106 +0,0 @@
-// Copyright (C) 2023, Ava Labs, Inc. All rights reserved.
-// See the file LICENSE for licensing terms.
-
-package load
-
-import (
-	"context"
-	"time"
-
-	"github.com/ava-labs/subnet-evm/core/types"
-	"github.com/ava-labs/subnet-evm/ethclient"
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/log"
-	"golang.org/x/sync/errgroup"
-)
-
-type WorkerGroup struct {
-	workers []*Worker
-}
-
-func NewWorkerGroup(clients []ethclient.Client, senders []common.Address, txSequences [][]*types.Transaction) *WorkerGroup {
-	workers := make([]*Worker, len(clients))
-	for i, client := range clients {
-		workers[i] = NewWorker(client, senders[i], txSequences[i])
-	}
-
-	return &WorkerGroup{
-		workers: workers,
-	}
-}
-
-func (wg *WorkerGroup) executeTask(ctx context.Context, f func(ctx context.Context, w *Worker) error) error {
-	eg := errgroup.Group{}
-	for _, worker := range wg.workers {
-		worker := worker
-		eg.Go(func() error {
-			return f(ctx, worker)
-		})
-	}
-
-	return eg.Wait()
-}
-
-// IssueTxs concurrently issues transactions from each worker
-func (wg *WorkerGroup) IssueTxs(ctx context.Context) error {
-	return wg.executeTask(ctx, func(ctx context.Context, w *Worker) error {
-		return w.ExecuteTxsFromAddress(ctx)
-	})
-}
-
-// AwaitTxs concurrently waits for each worker to confirm the nonce of its last issued transaction.
-func (wg *WorkerGroup) AwaitTxs(ctx context.Context) error {
-	return wg.executeTask(ctx, func(ctx context.Context, w *Worker) error {
-		return w.AwaitTxs(ctx)
-	})
-}
-
-// ConfirmAllTransactions concurrently waits for each worker to confirm each transaction by checking
-// for it via eth_getTransactionByHash
-func (wg *WorkerGroup) ConfirmAllTransactions(ctx context.Context) error {
-	return wg.executeTask(ctx, func(ctx context.Context, w *Worker) error {
-		return w.ConfirmAllTransactions(ctx)
-	})
-}
-
-// Execute performs executes the following steps in order:
-// - IssueTxs
-// - AwaitTxs
-// - ConfirmAllTransactions
-func (wg *WorkerGroup) Execute(ctx context.Context) error {
-	start := time.Now()
-	defer func() {
-		log.Info("Completed execution", "totalTime", time.Since(start))
-	}()
-
-	executionStart := time.Now()
-	log.Info("Executing transactions", "startTime", executionStart)
-	if err := wg.IssueTxs(ctx); err != nil {
-		return err
-	}
-
-	awaitStart := time.Now()
-	log.Info("Awaiting transactions", "startTime", awaitStart, "executionElapsed", awaitStart.Sub(executionStart))
-	if err := wg.AwaitTxs(ctx); err != nil {
-		return err
-	}
-
-	confirmationStart := time.Now()
-	log.Info("Confirming transactions", "startTime", confirmationStart, "awaitElapsed", confirmationStart.Sub(awaitStart))
-	if err := wg.ConfirmAllTransactions(ctx); err != nil {
-		return err
-	}
-
-	endTime := time.Now()
-	log.Info("Transaction confirmation completed", "confirmationElapsed", endTime.Sub(confirmationStart))
-	totalTxs := 0
-	for _, worker := range wg.workers {
-		totalTxs += len(worker.txs)
-	}
-
-	// We exclude the time for ConfirmAllTransactions because we assume once the nonce is reported, the transaction has been finalized.
-	// For Subnet-EVM, this assumes that unfinalized data is not exposed via API.
-	issueAndConfirmDuration := confirmationStart.Sub(executionStart)
-	log.Info("Simulator completed", "totalTxs", totalTxs, "TPS", float64(totalTxs)/issueAndConfirmDuration.Seconds())
-	return nil
-}
diff --git a/cmd/simulator/metrics/metrics.go b/cmd/simulator/metrics/metrics.go
new file mode 100644
index 0000000000..8462e2f2e3
--- /dev/null
+++ b/cmd/simulator/metrics/metrics.go
@@ -0,0 +1,42 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package metrics
+
+import (
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+type Metrics struct {
+	// Summary of the quantiles of Individual Issuance Tx Times
+	IssuanceTxTimes prometheus.Summary
+	// Summary of the quantiles of Individual Confirmation Tx Times
+	ConfirmationTxTimes prometheus.Summary
+	// Summary of the quantiles of Individual Issuance To Confirmation Tx Times
+	IssuanceToConfirmationTxTimes prometheus.Summary
+}
+
+// NewMetrics creates and returns a Metrics and registers it with a Collector
+func NewMetrics(reg prometheus.Registerer) *Metrics {
+	m := &Metrics{
+		IssuanceTxTimes: prometheus.NewSummary(prometheus.SummaryOpts{
+			Name:       "tx_issuance_time",
+			Help:       "Individual Tx Issuance Times for a Load Test",
+			Objectives: map[float64]float64{0.5: 0.05, 0.9: 0.01, 0.99: 0.001},
+		}),
+		ConfirmationTxTimes: prometheus.NewSummary(prometheus.SummaryOpts{
+			Name:       "tx_confirmation_time",
+			Help:       "Individual Tx Confirmation Times for a Load Test",
+			Objectives: map[float64]float64{0.5: 0.05, 0.9: 0.01, 0.99: 0.001},
+		}),
+		IssuanceToConfirmationTxTimes: prometheus.NewSummary(prometheus.SummaryOpts{
+			Name:       "tx_issuance_to_confirmation_time",
+			Help:       "Individual Tx Issuance To Confirmation Times for a Load Test",
+			Objectives: map[float64]float64{0.5: 0.05, 0.9: 0.01, 0.99: 0.001},
+		}),
+	}
+	reg.MustRegister(m.IssuanceTxTimes)
+	reg.MustRegister(m.ConfirmationTxTimes)
+	reg.MustRegister(m.IssuanceToConfirmationTxTimes)
+	return m
+}
diff --git a/cmd/simulator/txs/agent.go b/cmd/simulator/txs/agent.go
new file mode 100644
index 0000000000..09c3027f07
--- /dev/null
+++ b/cmd/simulator/txs/agent.go
@@ -0,0 +1,148 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package txs
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"time"
+
+	"github.com/ava-labs/subnet-evm/cmd/simulator/metrics"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/log"
+)
+
+type THash interface {
+	Hash() common.Hash
+}
+
+// TxSequence provides an interface to return a channel of transactions.
+// The sequence is responsible for closing the channel when there are no further
+// transactions.
+type TxSequence[T THash] interface {
+	Chan() <-chan T
+}
+
+// Worker defines the interface for issuance and confirmation of transactions.
+// The caller is responsible for calling Close to cleanup resources used by the
+// worker at the end of the simulation.
+type Worker[T THash] interface {
+	IssueTx(ctx context.Context, tx T) error
+	ConfirmTx(ctx context.Context, tx T) error
+	Close(ctx context.Context) error
+}
+
+// Execute the work of the given agent.
+type Agent[T THash] interface {
+	Execute(ctx context.Context) error
+}
+
+// issueNAgent issues and confirms a batch of N transactions at a time.
+type issueNAgent[T THash] struct {
+	sequence TxSequence[T]
+	worker   Worker[T]
+	n        uint64
+	metrics  *metrics.Metrics
+}
+
+// NewIssueNAgent creates a new issueNAgent
+func NewIssueNAgent[T THash](sequence TxSequence[T], worker Worker[T], n uint64, metrics *metrics.Metrics) Agent[T] {
+	return &issueNAgent[T]{
+		sequence: sequence,
+		worker:   worker,
+		n:        n,
+		metrics:  metrics,
+	}
+}
+
+// Execute issues txs in batches of N and waits for them to confirm
+func (a issueNAgent[T]) Execute(ctx context.Context) error {
+	if a.n == 0 {
+		return errors.New("batch size n cannot be equal to 0")
+	}
+
+	txChan := a.sequence.Chan()
+	confirmedCount := 0
+	batchI := 0
+	m := a.metrics
+	txMap := make(map[common.Hash]time.Time)
+
+	// Tracks the total amount of time waiting for issuing and confirming txs
+	var (
+		totalIssuedTime    time.Duration
+		totalConfirmedTime time.Duration
+	)
+
+	defer func() {
+		if err := a.worker.Close(ctx); err != nil {
+			log.Error("error trying to close worker: %w", "err", err)
+		}
+	}()
+
+	// Start time for execution
+	start := time.Now()
+	for {
+		var (
+			txs     = make([]T, 0, a.n)
+			tx      T
+			moreTxs bool
+		)
+		// Start issuance batch
+		issuedStart := time.Now()
+	L:
+		for i := uint64(0); i < a.n; i++ {
+			select {
+			case <-ctx.Done():
+				return ctx.Err()
+			case tx, moreTxs = <-txChan:
+				if !moreTxs {
+					break L
+				}
+				issuanceIndividualStart := time.Now()
+				txMap[tx.Hash()] = issuanceIndividualStart
+				if err := a.worker.IssueTx(ctx, tx); err != nil {
+					return fmt.Errorf("failed to issue transaction %d: %w", len(txs), err)
+				}
+				issuanceIndividualDuration := time.Since(issuanceIndividualStart)
+				m.IssuanceTxTimes.Observe(issuanceIndividualDuration.Seconds())
+				txs = append(txs, tx)
+			}
+		}
+		// Get the batch's issuance time and add it to totalIssuedTime
+		issuedDuration := time.Since(issuedStart)
+		log.Info("Issuance Batch Done", "batch", batchI, "time", issuedDuration.Seconds())
+		totalIssuedTime += issuedDuration
+
+		// Wait for txs in this batch to confirm
+		confirmedStart := time.Now()
+		for i, tx := range txs {
+			confirmedIndividualStart := time.Now()
+			if err := a.worker.ConfirmTx(ctx, tx); err != nil {
+				return fmt.Errorf("failed to await transaction %d: %w", i, err)
+			}
+			confirmationIndividualDuration := time.Since(confirmedIndividualStart)
+			issuanceToConfirmationIndividualDuration := time.Since(txMap[tx.Hash()])
+			m.ConfirmationTxTimes.Observe(confirmationIndividualDuration.Seconds())
+			m.IssuanceToConfirmationTxTimes.Observe(issuanceToConfirmationIndividualDuration.Seconds())
+			delete(txMap, tx.Hash())
+			confirmedCount++
+		}
+		// Get the batch's confirmation time and add it to totalConfirmedTime
+		confirmedDuration := time.Since(confirmedStart)
+		log.Info("Confirmed Batch Done", "batch", batchI, "time", confirmedDuration.Seconds())
+		totalConfirmedTime += confirmedDuration
+
+		// Check if this is the last batch, if so write the final log and return
+		if !moreTxs {
+			totalTime := time.Since(start).Seconds()
+			log.Info("Execution complete", "totalTxs", confirmedCount, "totalTime", totalTime, "TPS", float64(confirmedCount)/totalTime,
+				"issuanceTime", totalIssuedTime.Seconds(), "confirmedTime", totalConfirmedTime.Seconds())
+
+			return nil
+		}
+
+		batchI++
+	}
+}
diff --git a/cmd/simulator/load/tx_generator.go b/cmd/simulator/txs/tx_generator.go
similarity index 69%
rename from cmd/simulator/load/tx_generator.go
rename to cmd/simulator/txs/tx_generator.go
index 99c6bae76e..85b5e2fe59 100644
--- a/cmd/simulator/load/tx_generator.go
+++ b/cmd/simulator/txs/tx_generator.go
@@ -1,7 +1,7 @@
 // Copyright (C) 2023, Ava Labs, Inc. All rights reserved.
 // See the file LICENSE for licensing terms.
 
-package load
+package txs
 
 import (
 	"context"
@@ -13,10 +13,12 @@ import (
 	ethcrypto "github.com/ethereum/go-ethereum/crypto"
 )
 
+var _ TxSequence[*types.Transaction] = (*txSequence)(nil)
+
 type CreateTx func(key *ecdsa.PrivateKey, nonce uint64) (*types.Transaction, error)
 
 // GenerateTxSequence fetches the current nonce of key and calls [generator] [numTxs] times sequentially to generate a sequence of transactions.
-func GenerateTxSequence(ctx context.Context, generator CreateTx, client ethclient.Client, key *ecdsa.PrivateKey, numTxs uint64) ([]*types.Transaction, error) {
+func GenerateTxSequence(ctx context.Context, generator CreateTx, client ethclient.Client, key *ecdsa.PrivateKey, numTxs uint64) (TxSequence[*types.Transaction], error) {
 	address := ethcrypto.PubkeyToAddress(key.PublicKey)
 	startingNonce, err := client.NonceAt(ctx, address, nil)
 	if err != nil {
@@ -30,11 +32,11 @@ func GenerateTxSequence(ctx context.Context, generator CreateTx, client ethclien
 		}
 		txs = append(txs, tx)
 	}
-	return txs, nil
+	return ConvertTxSliceToSequence(txs), nil
 }
 
-func GenerateTxSequences(ctx context.Context, generator CreateTx, client ethclient.Client, keys []*ecdsa.PrivateKey, txsPerKey uint64) ([][]*types.Transaction, error) {
-	txSequences := make([][]*types.Transaction, len(keys))
+func GenerateTxSequences(ctx context.Context, generator CreateTx, client ethclient.Client, keys []*ecdsa.PrivateKey, txsPerKey uint64) ([]TxSequence[*types.Transaction], error) {
+	txSequences := make([]TxSequence[*types.Transaction], len(keys))
 	for i, key := range keys {
 		txs, err := GenerateTxSequence(ctx, generator, client, key, txsPerKey)
 		if err != nil {
@@ -44,3 +46,23 @@ func GenerateTxSequences(ctx context.Context, generator CreateTx, client ethclie
 	}
 	return txSequences, nil
 }
+
+type txSequence struct {
+	txChan chan *types.Transaction
+}
+
+func ConvertTxSliceToSequence(txs []*types.Transaction) TxSequence[*types.Transaction] {
+	txChan := make(chan *types.Transaction, len(txs))
+	for _, tx := range txs {
+		txChan <- tx
+	}
+	close(txChan)
+
+	return &txSequence{
+		txChan: txChan,
+	}
+}
+
+func (t *txSequence) Chan() <-chan *types.Transaction {
+	return t.txChan
+}
diff --git a/compatibility.json b/compatibility.json
index eb1f3ab1cc..1003e3da95 100644
--- a/compatibility.json
+++ b/compatibility.json
@@ -1,5 +1,8 @@
 {
   "rpcChainVMProtocolVersion": {
+    "v0.5.4": 27,
+    "v0.5.3": 27,
+    "v0.5.2": 26,
     "v0.5.1": 26,
     "v0.5.0": 25,
     "v0.4.12": 24,
@@ -30,4 +33,4 @@
     "v0.1.1": 10,
     "v0.1.0": 9
   }
-}
\ No newline at end of file
+}
diff --git a/consensus/dummy/consensus.go b/consensus/dummy/consensus.go
index c19b221c0d..9cb4880c51 100644
--- a/consensus/dummy/consensus.go
+++ b/consensus/dummy/consensus.go
@@ -107,8 +107,6 @@ func (self *DummyEngine) verifyCoinbase(config *params.ChainConfig, header *type
 }
 
 func (self *DummyEngine) verifyHeaderGasFields(config *params.ChainConfig, header *types.Header, parent *types.Header, chain consensus.ChainHeaderReader) error {
-	timestamp := new(big.Int).SetUint64(header.Time)
-
 	// Verify that the gas limit is <= 2^63-1
 	if header.GasLimit > params.MaxGasLimit {
 		return fmt.Errorf("invalid gasLimit: have %v, max %v", header.GasLimit, params.MaxGasLimit)
@@ -126,7 +124,7 @@ func (self *DummyEngine) verifyHeaderGasFields(config *params.ChainConfig, heade
 	if err != nil {
 		return err
 	}
-	if config.IsSubnetEVM(timestamp) {
+	if config.IsSubnetEVM(header.Time) {
 		expectedGasLimit := feeConfig.GasLimit.Uint64()
 		if header.GasLimit != expectedGasLimit {
 			return fmt.Errorf("expected gas limit to be %d, but found %d", expectedGasLimit, header.GasLimit)
@@ -195,15 +193,14 @@ func (self *DummyEngine) verifyHeaderGasFields(config *params.ChainConfig, heade
 // modified from consensus.go
 func (self *DummyEngine) verifyHeader(chain consensus.ChainHeaderReader, header *types.Header, parent *types.Header, uncle bool) error {
 	var (
-		config    = chain.Config()
-		timestamp = new(big.Int).SetUint64(header.Time)
+		config = chain.Config()
 	)
 	// Ensure that we do not verify an uncle
 	if uncle {
 		return errUnclesUnsupported
 	}
 	// Ensure that the header's extra-data section is of a reasonable size
-	if !config.IsSubnetEVM(timestamp) {
+	if !config.IsSubnetEVM(header.Time) {
 		if uint64(len(header.Extra)) > params.MaximumExtraDataSize {
 			return fmt.Errorf("extra-data too long: %d > %d", len(header.Extra), params.MaximumExtraDataSize)
 		}
@@ -332,7 +329,7 @@ func (self *DummyEngine) verifyBlockFee(
 }
 
 func (self *DummyEngine) Finalize(chain consensus.ChainHeaderReader, block *types.Block, parent *types.Header, state *state.StateDB, receipts []*types.Receipt) error {
-	if chain.Config().IsSubnetEVM(new(big.Int).SetUint64(block.Time())) {
+	if chain.Config().IsSubnetEVM(block.Time()) {
 		// we use the parent to determine the fee config
 		// since the current block has not been finalized yet.
 		feeConfig, _, err := chain.GetFeeConfigAt(parent)
@@ -371,7 +368,7 @@ func (self *DummyEngine) Finalize(chain consensus.ChainHeaderReader, block *type
 func (self *DummyEngine) FinalizeAndAssemble(chain consensus.ChainHeaderReader, header *types.Header, parent *types.Header, state *state.StateDB, txs []*types.Transaction,
 	uncles []*types.Header, receipts []*types.Receipt,
 ) (*types.Block, error) {
-	if chain.Config().IsSubnetEVM(new(big.Int).SetUint64(header.Time)) {
+	if chain.Config().IsSubnetEVM(header.Time) {
 		// we use the parent to determine the fee config
 		// since the current block has not been finalized yet.
 		feeConfig, _, err := chain.GetFeeConfigAt(parent)
diff --git a/consensus/dummy/dynamic_fees.go b/consensus/dummy/dynamic_fees.go
index e4a6ea8ef2..a46a5d457f 100644
--- a/consensus/dummy/dynamic_fees.go
+++ b/consensus/dummy/dynamic_fees.go
@@ -22,7 +22,7 @@ import (
 func CalcBaseFee(config *params.ChainConfig, feeConfig commontype.FeeConfig, parent *types.Header, timestamp uint64) ([]byte, *big.Int, error) {
 	// If the current block is the first EIP-1559 block, or it is the genesis block
 	// return the initial slice and initial base fee.
-	isSubnetEVM := config.IsSubnetEVM(new(big.Int).SetUint64(parent.Time))
+	isSubnetEVM := config.IsSubnetEVM(parent.Time)
 	extraDataSize := params.ExtraDataSize
 
 	if !isSubnetEVM || parent.Number.Cmp(common.Big0) == 0 {
@@ -249,7 +249,7 @@ func calcBlockGasCost(
 //
 // This function will return nil for all return values prior to Subnet EVM.
 func MinRequiredTip(config *params.ChainConfig, header *types.Header) (*big.Int, error) {
-	if !config.IsSubnetEVM(new(big.Int).SetUint64(header.Time)) {
+	if !config.IsSubnetEVM(header.Time) {
 		return nil, nil
 	}
 	if header.BaseFee == nil {
diff --git a/contract-examples/contracts/ExampleFeeManager.sol b/contract-examples/contracts/ExampleFeeManager.sol
deleted file mode 100644
index cd22b04f24..0000000000
--- a/contract-examples/contracts/ExampleFeeManager.sol
+++ /dev/null
@@ -1,86 +0,0 @@
-//SPDX-License-Identifier: MIT
-pragma solidity ^0.8.0;
-pragma experimental ABIEncoderV2;
-
-import "@openzeppelin/contracts/access/Ownable.sol";
-import "./AllowList.sol";
-import "./IFeeManager.sol";
-
-// ExampleFeeManager shows how FeeManager precompile can be used in a smart contract
-// All methods of [allowList] can be directly called. There are example calls as tasks in hardhat.config.ts file.
-contract ExampleFeeManager is AllowList {
-  // Precompiled Fee Manager Contract Address
-  address constant FEE_MANAGER_ADDRESS = 0x0200000000000000000000000000000000000003;
-  IFeeManager feeManager = IFeeManager(FEE_MANAGER_ADDRESS);
-
-  struct FeeConfig {
-    uint256 gasLimit;
-    uint256 targetBlockRate;
-    uint256 minBaseFee;
-    uint256 targetGas;
-    uint256 baseFeeChangeDenominator;
-    uint256 minBlockGasCost;
-    uint256 maxBlockGasCost;
-    uint256 blockGasCostStep;
-  }
-
-  constructor() AllowList(FEE_MANAGER_ADDRESS) {}
-
-  function enableWAGMIFees() public onlyEnabled {
-    feeManager.setFeeConfig(
-      20_000_000, // gasLimit
-      2, // targetBlockRate
-      1_000_000_000, // minBaseFee
-      100_000_000, // targetGas
-      48, // baseFeeChangeDenominator
-      0, // minBlockGasCost
-      10_000_000, // maxBlockGasCost
-      500_000 // blockGasCostStep
-    );
-  }
-
-  function enableCChainFees() public onlyEnabled {
-    feeManager.setFeeConfig(
-      8_000_000, // gasLimit
-      2, // targetBlockRate
-      25_000_000_000, // minBaseFee
-      15_000_000, // targetGas
-      36, // baseFeeChangeDenominator
-      0, // minBlockGasCost
-      1_000_000, // maxBlockGasCost
-      200_000 // blockGasCostStep
-    );
-  }
-
-  function enableCustomFees(FeeConfig memory config) public onlyEnabled {
-    feeManager.setFeeConfig(
-      config.gasLimit,
-      config.targetBlockRate,
-      config.minBaseFee,
-      config.targetGas,
-      config.baseFeeChangeDenominator,
-      config.minBlockGasCost,
-      config.maxBlockGasCost,
-      config.blockGasCostStep
-    );
-  }
-
-  function getCurrentFeeConfig() public view returns (FeeConfig memory) {
-    FeeConfig memory config;
-    (
-      config.gasLimit,
-      config.targetBlockRate,
-      config.minBaseFee,
-      config.targetGas,
-      config.baseFeeChangeDenominator,
-      config.minBlockGasCost,
-      config.maxBlockGasCost,
-      config.blockGasCostStep
-    ) = feeManager.getFeeConfig();
-    return config;
-  }
-
-  function getFeeConfigLastChangedAt() public view returns (uint256) {
-    return feeManager.getFeeConfigLastChangedAt();
-  }
-}
diff --git a/contract-examples/package-lock.json b/contract-examples/package-lock.json
deleted file mode 100644
index 5d6ef4c8fc..0000000000
--- a/contract-examples/package-lock.json
+++ /dev/null
@@ -1,32934 +0,0 @@
-{
-  "name": "subnet-evm-contracts",
-  "version": "1.0.0",
-  "lockfileVersion": 2,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "subnet-evm-contracts",
-      "version": "1.0.0",
-      "license": "BSD-3-Clause",
-      "dependencies": {
-        "typescript": "^4.3.5"
-      },
-      "devDependencies": {
-        "@nomiclabs/hardhat-ethers": "^2.0.2",
-        "@nomiclabs/hardhat-waffle": "^2.0.1",
-        "@openzeppelin/contracts": "^4.7.1",
-        "@openzeppelin/contracts-upgradeable": "^4.8.0",
-        "@types/chai": "^4.2.21",
-        "@types/mocha": "^9.0.0",
-        "@types/node": "^16.7.1",
-        "avalanche": "^3.8.5",
-        "chai": "^4.3.4",
-        "ethereum-waffle": "^3.4.0",
-        "ethereumjs-tx": "^2.1.2",
-        "ethers": "^5.4.5",
-        "hardhat": "2.6.1",
-        "prettier": "^2.5.1",
-        "prettier-plugin-solidity": "^1.0.0-beta.19",
-        "ts-node": "^10.2.1"
-      },
-      "engines": {
-        "node": ">=14.17.0"
-      }
-    },
-    "node_modules/@cspotcode/source-map-support": {
-      "version": "0.8.1",
-      "resolved": "https://registry.npmjs.org/@cspotcode/source-map-support/-/source-map-support-0.8.1.tgz",
-      "integrity": "sha512-IchNf6dN4tHoMFIn/7OE8LWZ19Y6q/67Bmf6vnGREv8RSbBVb9LPJxEcnwrcwX6ixSvaiGoomAUvu4YSxXrVgw==",
-      "dev": true,
-      "dependencies": {
-        "@jridgewell/trace-mapping": "0.3.9"
-      },
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@ensdomains/ens": {
-      "version": "0.4.5",
-      "resolved": "https://registry.npmjs.org/@ensdomains/ens/-/ens-0.4.5.tgz",
-      "integrity": "sha512-JSvpj1iNMFjK6K+uVl4unqMoa9rf5jopb8cya5UGBWz23Nw8hSNT7efgUx4BTlAPAgpNlEioUfeTyQ6J9ZvTVw==",
-      "deprecated": "Please use @ensdomains/ens-contracts",
-      "dev": true,
-      "dependencies": {
-        "bluebird": "^3.5.2",
-        "eth-ens-namehash": "^2.0.8",
-        "solc": "^0.4.20",
-        "testrpc": "0.0.1",
-        "web3-utils": "^1.0.0-beta.31"
-      }
-    },
-    "node_modules/@ensdomains/ens/node_modules/ansi-regex": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-      "integrity": "sha512-TIGnTpdo+E3+pCyAluZvtED5p5wCqLdezCyhPZzKPcxvFplEt4i+W7OONCKgeZFT3+y5NZZfOOS/Bdcanm1MYA==",
-      "dev": true,
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
-    "node_modules/@ensdomains/ens/node_modules/camelcase": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
-      "integrity": "sha512-4nhGqUkc4BqbBBB4Q6zLuD7lzzrHYrjKGeYaEji/3tFR5VdJu9v+LilhGIVe8wxEJPPOeWo7eg8dwY13TZ1BNg==",
-      "dev": true,
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
-    "node_modules/@ensdomains/ens/node_modules/cliui": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/cliui/-/cliui-3.2.0.tgz",
-      "integrity": "sha512-0yayqDxWQbqk3ojkYqUKqaAQ6AfNKeKWRNA8kR0WXzAsdHpP4BIaOmMAG87JGuO6qcobyW4GjxHd9PmhEd+T9w==",
-      "dev": true,
-      "dependencies": {
-        "string-width": "^1.0.1",
-        "strip-ansi": "^3.0.1",
-        "wrap-ansi": "^2.0.0"
-      }
-    },
-    "node_modules/@ensdomains/ens/node_modules/fs-extra": {
-      "version": "0.30.0",
-      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-0.30.0.tgz",
-      "integrity": "sha512-UvSPKyhMn6LEd/WpUaV9C9t3zATuqoqfWc3QdPhPLb58prN9tqYPlPWi8Krxi44loBoUzlobqZ3+8tGpxxSzwA==",
-      "dev": true,
-      "dependencies": {
-        "graceful-fs": "^4.1.2",
-        "jsonfile": "^2.1.0",
-        "klaw": "^1.0.0",
-        "path-is-absolute": "^1.0.0",
-        "rimraf": "^2.2.8"
-      }
-    },
-    "node_modules/@ensdomains/ens/node_modules/get-caller-file": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.3.tgz",
-      "integrity": "sha512-3t6rVToeoZfYSGd8YoLFR2DJkiQrIiUrGcjvFX2mDw3bn6k2OtwHN0TNCLbBO+w8qTvimhDkv+LSscbJY1vE6w==",
-      "dev": true
-    },
-    "node_modules/@ensdomains/ens/node_modules/is-fullwidth-code-point": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
-      "integrity": "sha512-1pqUqRjkhPJ9miNq9SwMfdvi6lBJcd6eFxvfaivQhaH3SgisfiuudvFntdKOmxuee/77l+FPjKrQjWvmPjWrRw==",
-      "dev": true,
-      "dependencies": {
-        "number-is-nan": "^1.0.0"
-      },
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
-    "node_modules/@ensdomains/ens/node_modules/jsonfile": {
-      "version": "2.4.0",
-      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
-      "integrity": "sha512-PKllAqbgLgxHaj8TElYymKCAgrASebJrWpTnEkOaTowt23VKXXN0sUeriJ+eh7y6ufb/CC5ap11pz71/cM0hUw==",
-      "dev": true,
-      "optionalDependencies": {
-        "graceful-fs": "^4.1.6"
-      }
-    },
-    "node_modules/@ensdomains/ens/node_modules/require-from-string": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/require-from-string/-/require-from-string-1.2.1.tgz",
-      "integrity": "sha512-H7AkJWMobeskkttHyhTVtS0fxpFLjxhbfMa6Bk3wimP7sdPRGL3EyCg3sAQenFfAe+xQ+oAc85Nmtvq0ROM83Q==",
-      "dev": true,
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
-    "node_modules/@ensdomains/ens/node_modules/require-main-filename": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-1.0.1.tgz",
-      "integrity": "sha512-IqSUtOVP4ksd1C/ej5zeEh/BIP2ajqpn8c5x+q99gvcIG/Qf0cud5raVnE/Dwd0ua9TXYDoDc0RE5hBSdz22Ug==",
-      "dev": true
-    },
-    "node_modules/@ensdomains/ens/node_modules/semver": {
-      "version": "5.7.1",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
-      "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
-      "dev": true,
-      "bin": {
-        "semver": "bin/semver"
-      }
-    },
-    "node_modules/@ensdomains/ens/node_modules/solc": {
-      "version": "0.4.26",
-      "resolved": "https://registry.npmjs.org/solc/-/solc-0.4.26.tgz",
-      "integrity": "sha512-o+c6FpkiHd+HPjmjEVpQgH7fqZ14tJpXhho+/bQXlXbliLIS/xjXb42Vxh+qQY1WCSTMQ0+a5vR9vi0MfhU6mA==",
-      "dev": true,
-      "dependencies": {
-        "fs-extra": "^0.30.0",
-        "memorystream": "^0.3.1",
-        "require-from-string": "^1.1.0",
-        "semver": "^5.3.0",
-        "yargs": "^4.7.1"
-      },
-      "bin": {
-        "solcjs": "solcjs"
-      }
-    },
-    "node_modules/@ensdomains/ens/node_modules/string-width": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
-      "integrity": "sha512-0XsVpQLnVCXHJfyEs8tC0zpTVIr5PKKsQtkT29IwupnPTjtPmQ3xT/4yCREF9hYkV/3M3kzcUTSAZT6a6h81tw==",
-      "dev": true,
-      "dependencies": {
-        "code-point-at": "^1.0.0",
-        "is-fullwidth-code-point": "^1.0.0",
-        "strip-ansi": "^3.0.0"
-      },
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
-    "node_modules/@ensdomains/ens/node_modules/strip-ansi": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-      "integrity": "sha512-VhumSSbBqDTP8p2ZLKj40UjBCV4+v8bUSEpUb4KjRgWk9pbqGF4REFj6KEagidb2f/M6AzC0EmFyDNGaw9OCzg==",
-      "dev": true,
-      "dependencies": {
-        "ansi-regex": "^2.0.0"
-      },
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
-    "node_modules/@ensdomains/ens/node_modules/which-module": {
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diff --git a/contract-examples/test/README.md b/contract-examples/test/README.md
deleted file mode 100644
index 259a5e04c6..0000000000
--- a/contract-examples/test/README.md
+++ /dev/null
@@ -1,64 +0,0 @@
-# Testing Precompiles
-
-If you can, put all of your test logic into DS-test tests. Prefix test functions with `test_`. There's also a `setUp` function that gets called before the test contract is deployed. The current best-practice is to re-deploy one test contract per `test` function called in `*.ts` test definitions. The `setUp` method should be called once, then `test_` functions passed in as the 2nd argument to `test("<description>", <test_function_name_OR_array_of_test_function_names>)` will be called in order. `test.only` and `test.skip` behave the same way as `it.only` and `it.skip`. There's also a `test.debug` that combines `test.only` with some extra event logging (you can use `emit log_string` to help debug Solidity test code).
-
-The `test` function is a wrapper around Mocha's `it` function. It provides a normalized framework for running the
-majority of your test assertions inside of a smart-contract, using `DS-Test`.
-The API can be used as follows (all of the examples are equivalent):
-
-```ts
-test("<test_name>", "<contract_function_name>");
-
-test("<test_name>", ["<contract_function_name>"]);
-
-test("<test_name>", {
-  method: "<contract_function_name>",
-  overrides: {},
-  shouldFail: false,
-  debug: false,
-});
-
-test("<test_name>", [
-  {
-    method: "<contract_function_name>",
-    overrides: {},
-    shouldFail: false,
-    debug: false,
-  },
-]);
-
-test(
-  "<test_name>",
-  [{ method: "<contract_function_name>", shouldFail: false, debug: false }],
-  {}
-);
-```
-
-Many contract functions can be called as a part of the same test:
-
-```ts
-test("<test_name>", ["<test_fn1>", "<test_fn2>", "<test_fn3>"])
-```
-
-Individual test functions can describe their own overrides with the `overrides` property.
-If an object is passed in as the third argument to `test`, it will be used as the default overrides for all test
-functions.
-The following are equivalent:
-
-```ts
-test("<test_name>", [
-  { method: "<contract_function_name>", overrides: { from: "0x123" } },
-]);
-
-test("<test_name>", [{ method: "<contract_function_name>" }], {
-  from: "0x123",
-});
-```
-
-In the above cases, the `from` override must be a signer.
-The `shouldFail` property can be used to indicate that the test function should fail. This should be used sparingly
-as it is not possible to match on the failure reason.
-Furthermore, the `debug` property can be used to print any thrown errors when attempting to
-send a transaction or while waiting for the transaction to be confirmed (the transaction is the smart contract call).
-`debug` will also cause any parseable event logs to be printed that start with the `log_` prefix.
-`DSTest` contracts have several options for emitting `log_` events.
diff --git a/contract-examples/test/contract_deployer_allow_list.ts b/contract-examples/test/contract_deployer_allow_list.ts
deleted file mode 100644
index aa5d6012da..0000000000
--- a/contract-examples/test/contract_deployer_allow_list.ts
+++ /dev/null
@@ -1,117 +0,0 @@
-// (c) 2019-2022, Ava Labs, Inc. All rights reserved.
-// See the file LICENSE for licensing terms.
-
-import { SignerWithAddress } from "@nomiclabs/hardhat-ethers/signers";
-import { expect } from "chai";
-import {
-  Contract,
-  ContractFactory,
-} from "ethers"
-import { ethers } from "hardhat"
-
-// make sure this is always an admin for minter precompile
-const adminAddress: string = "0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"
-const ALLOWLIST_ADDRESS = "0x0200000000000000000000000000000000000000";
-
-const ROLES = {
-  NONE: 0,
-  DEPLOYER: 1,
-  ADMIN: 2
-};
-
-describe("ExampleDeployerList", function () {
-  let owner: SignerWithAddress
-  let contract: Contract
-  let deployer: SignerWithAddress
-  before(async function () {
-    owner = await ethers.getSigner(adminAddress);
-    const contractF: ContractFactory = await ethers.getContractFactory("ExampleDeployerList", { signer: owner })
-    contract = await contractF.deploy()
-    await contract.deployed()
-    const contractAddress: string = contract.address
-    console.log(`Contract deployed to: ${contractAddress}`)
-
-    const signers: SignerWithAddress[] = await ethers.getSigners()
-    deployer = signers.slice(-1)[0]
-
-    // Fund deployer address
-    await owner.sendTransaction({
-      to: deployer.address,
-      value: ethers.utils.parseEther("1")
-    })
-
-  });
-
-  it("precompile should see owner address has admin role", async function () {
-    // test precompile first
-    const allowList = await ethers.getContractAt("IAllowList", ALLOWLIST_ADDRESS, owner);
-    let adminRole = await allowList.readAllowList(owner.address);
-    expect(adminRole).to.be.equal(ROLES.ADMIN)
-  });
-
-  it("precompile should see test address has no role", async function () {
-    // test precompile first
-    const allowList = await ethers.getContractAt("IAllowList", ALLOWLIST_ADDRESS, owner);
-    let noRole = await allowList.readAllowList(deployer.address);
-    expect(noRole).to.be.equal(ROLES.NONE)
-  });
-
-  it("contract should report test address has no admin role", async function () {
-    const result = await contract.isAdmin(deployer.address);
-    expect(result).to.be.false
-  });
-
-
-  it("contract should report owner address has admin role", async function () {
-    const result = await contract.isAdmin(owner.address);
-    expect(result).to.be.true
-  });
-
-  it("should not let test address to deploy", async function () {
-    const Token: ContractFactory = await ethers.getContractFactory("ERC20NativeMinter", { signer: deployer })
-    let token: Contract
-    try {
-      token = await Token.deploy(11111)
-    }
-    catch (err) {
-      expect(err.message).contains("is not authorized to deploy a contract");
-      return
-    }
-    expect.fail("should have errored")
-  });
-
-  it("should allow admin to add contract as admin", async function () {
-    const allowList = await ethers.getContractAt("IAllowList", ALLOWLIST_ADDRESS, owner);
-    let role = await allowList.readAllowList(contract.address);
-    expect(role).to.be.equal(ROLES.NONE)
-    let tx = await allowList.setAdmin(contract.address)
-    await tx.wait()
-    role = await allowList.readAllowList(contract.address);
-    expect(role).to.be.equal(ROLES.ADMIN)
-    const result = await contract.isAdmin(contract.address);
-    expect(result).to.be.true
-  });
-
-  it("should allow admin to add deployer address as deployer through contract", async function () {
-    let tx = await contract.setEnabled(deployer.address)
-    await tx.wait()
-    const result = await contract.isEnabled(deployer.address);
-    expect(result).to.be.true
-  });
-
-  it("should let deployer address to deploy", async function () {
-    const Token: ContractFactory = await ethers.getContractFactory("ERC20NativeMinter", { signer: deployer })
-    let token: Contract
-    token = await Token.deploy(11111)
-    await token.deployed()
-    expect(token.address).not.null
-  });
-
-  it("should let admin to revoke deployer", async function () {
-    let tx = await contract.revoke(deployer.address);
-    await tx.wait()
-    const allowList = await ethers.getContractAt("IAllowList", ALLOWLIST_ADDRESS, owner);
-    let noRole = await allowList.readAllowList(deployer.address);
-    expect(noRole).to.be.equal(ROLES.NONE)
-  });
-})
diff --git a/contract-examples/test/fee_manager.ts b/contract-examples/test/fee_manager.ts
deleted file mode 100644
index dbf096a890..0000000000
--- a/contract-examples/test/fee_manager.ts
+++ /dev/null
@@ -1,265 +0,0 @@
-// (c) 2019-2022, Ava Labs, Inc. All rights reserved.
-// See the file LICENSE for licensing terms.
-
-import { SignerWithAddress } from "@nomiclabs/hardhat-ethers/signers";
-import { expect } from "chai";
-import {
-  BigNumber,
-  Contract,
-  ContractFactory,
-} from "ethers"
-import { ethers } from "hardhat"
-
-// make sure this is always an admin for the precompile
-const adminAddress: string = "0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"
-const FEE_MANAGER = "0x0200000000000000000000000000000000000003";
-
-const ROLES = {
-  NONE: 0,
-  ENABLED: 1,
-  ADMIN: 2
-};
-
-const C_FEES = {
-  gasLimit: 8_000_000, // gasLimit
-  targetBlockRate: 2, // targetBlockRate
-  minBaseFee: 25_000_000_000, // minBaseFee
-  targetGas: 15_000_000, // targetGas
-  baseFeeChangeDenominator: 36, // baseFeeChangeDenominator
-  minBlockGasCost: 0, // minBlockGasCost
-  maxBlockGasCost: 1_000_000, // maxBlockGasCost
-  blockGasCostStep: 100_000 // blockGasCostStep
-}
-
-const WAGMI_FEES = {
-  gasLimit: 20_000_000, // gasLimit
-  targetBlockRate: 2, // targetBlockRate
-  minBaseFee: 1_000_000_000, // minBaseFee
-  targetGas: 100_000_000, // targetGas
-  baseFeeChangeDenominator: 48, // baseFeeChangeDenominator
-  minBlockGasCost: 0, // minBlockGasCost
-  maxBlockGasCost: 10_000_000, // maxBlockGasCost
-  blockGasCostStep: 100_000 // blockGasCostStep
-}
-
-// TODO: These tests keep state to the next state. It means that some tests cases assumes some preconditions
-// set by previous test cases. We should make these tests stateless.
-describe("ExampleFeeManager", function () {
-  this.timeout("30s")
-
-  let owner: SignerWithAddress
-  let contract: Contract
-  let manager: SignerWithAddress
-  let nonEnabled: SignerWithAddress
-  let managerPrecompile: Contract
-  let ownerPrecompile: Contract
-  before(async function () {
-    owner = await ethers.getSigner(adminAddress);
-    const contractF: ContractFactory = await ethers.getContractFactory("ExampleFeeManager", { signer: owner })
-    contract = await contractF.deploy()
-    await contract.deployed()
-    const contractAddress: string = contract.address
-    console.log(`Contract deployed to: ${contractAddress}`)
-
-    managerPrecompile = await ethers.getContractAt("IFeeManager", FEE_MANAGER, manager);
-    ownerPrecompile = await ethers.getContractAt("IFeeManager", FEE_MANAGER, owner);
-
-    const signers: SignerWithAddress[] = await ethers.getSigners()
-    manager = signers.slice(-1)[0]
-    nonEnabled = signers.slice(-2)[0]
-
-    let tx = await ownerPrecompile.setEnabled(manager.address);
-    await tx.wait()
-
-    tx = await owner.sendTransaction({
-      to: manager.address,
-      value: ethers.utils.parseEther("1")
-    })
-    await tx.wait()
-
-    tx = await owner.sendTransaction({
-      to: nonEnabled.address,
-      value: ethers.utils.parseEther("1")
-    })
-    await tx.wait()
-  });
-
-  it("should add contract deployer as owner", async function () {
-    const contractOwnerAddr: string = await contract.owner()
-    expect(owner.address).to.be.equal(contractOwnerAddr)
-  });
-
-  it("contract should not be able to change fee without enabled", async function () {
-    let contractRole = await managerPrecompile.readAllowList(contract.address);
-    expect(contractRole).to.be.equal(ROLES.NONE)
-    try {
-      let tx = await contract.enableWAGMIFees()
-      await tx.wait()
-    }
-    catch (err) {
-      return
-    }
-    expect.fail("should have errored")
-  })
-
-  it("contract should be added to manager list", async function () {
-    let adminRole = await ownerPrecompile.readAllowList(adminAddress);
-    expect(adminRole).to.be.equal(ROLES.ADMIN)
-    let contractRole = await ownerPrecompile.readAllowList(contract.address);
-    expect(contractRole).to.be.equal(ROLES.NONE)
-
-    let enableTx = await ownerPrecompile.setEnabled(contract.address);
-    await enableTx.wait()
-    contractRole = await ownerPrecompile.readAllowList(contract.address);
-    expect(contractRole).to.be.equal(ROLES.ENABLED)
-  });
-
-  it("admin should be able to change fees through contract", async function () {
-    const testFees = {
-      gasLimit: 12_345_678, // gasLimit
-      targetBlockRate: 2, // targetBlockRate
-      minBaseFee: 1_234_567, // minBaseFee
-      targetGas: 100_000_000, // targetGas
-      baseFeeChangeDenominator: 48, // baseFeeChangeDenominator
-      minBlockGasCost: 0, // minBlockGasCost
-      maxBlockGasCost: 10_000_000, // maxBlockGasCost
-      blockGasCostStep: 100_000 // blockGasCostStep
-    }
-    var res = await contract.getCurrentFeeConfig()
-    expect(res.gasLimit).to.be.not.equal(testFees.gasLimit)
-    expect(res.minBaseFee).to.be.not.equal(testFees.minBaseFee)
-
-    let enableTx = await contract.enableCustomFees(testFees)
-    let txRes = await enableTx.wait()
-
-    var res = await contract.getCurrentFeeConfig()
-    expect(res.gasLimit).to.be.equal(testFees.gasLimit)
-    expect(res.minBaseFee).to.be.equal(testFees.minBaseFee)
-
-    var res = await contract.getFeeConfigLastChangedAt()
-    expect(res).to.be.equal(txRes.blockNumber)
-  })
-
-  it("admin should be able to enable wagmi fees through contract", async function () {
-    var res = await contract.getCurrentFeeConfig()
-    expect(res.gasLimit).to.be.not.equal(WAGMI_FEES.gasLimit)
-    expect(res.minBaseFee).to.be.not.equal(WAGMI_FEES.minBaseFee)
-    // set wagmi fees now
-    let enableTx = await contract.enableWAGMIFees({
-      maxFeePerGas: WAGMI_FEES.minBaseFee * 2,
-      maxPriorityFeePerGas: WAGMI_FEES.minBaseFee
-    })
-    let txRes = await enableTx.wait()
-
-    res = await contract.getCurrentFeeConfig()
-    expect(res.gasLimit).to.be.equal(WAGMI_FEES.gasLimit)
-    expect(res.minBaseFee).to.be.equal(WAGMI_FEES.minBaseFee)
-
-    var res = await contract.getFeeConfigLastChangedAt()
-    expect(res).to.be.equal(txRes.blockNumber)
-  })
-
-  it("should let low fee tx to be in mempool", async function () {
-    var res = await contract.getCurrentFeeConfig()
-    expect(res.minBaseFee).to.be.equal(WAGMI_FEES.minBaseFee)
-
-    var testMaxFeePerGas = WAGMI_FEES.minBaseFee + 10000
-
-    let tx = await owner.sendTransaction({
-      to: manager.address,
-      value: ethers.utils.parseEther("0.1"),
-      maxFeePerGas: testMaxFeePerGas,
-      maxPriorityFeePerGas: 0
-    });
-    let confirmedTx = await tx.wait()
-    expect(confirmedTx.confirmations).to.be.greaterThanOrEqual(1)
-  })
-
-  it("should not let low fee tx to be in mempool", async function () {
-
-    let enableTx = await contract.enableCustomFees(C_FEES)
-    await enableTx.wait()
-    let getRes = await contract.getCurrentFeeConfig()
-    expect(getRes.minBaseFee).to.be.equal(C_FEES.minBaseFee)
-
-    var testMaxFeePerGas = C_FEES.minBaseFee - 100000
-
-    // send tx with lower han C_FEES minBaseFee
-    try {
-      let tx = await owner.sendTransaction({
-        to: manager.address,
-        value: ethers.utils.parseEther("0.1"),
-        maxFeePerGas: testMaxFeePerGas,
-        maxPriorityFeePerGas: 10000
-      });
-      await tx.wait()
-    }
-    catch (err) {
-      expect(err.toString()).to.include("max fee per gas less than block base fee")
-      return
-    }
-    expect.fail("should have errored")
-  })
-
-  it("should be able to get current fee config", async function () {
-    let enableTx = await contract.enableCustomFees(C_FEES,
-      {
-        maxFeePerGas: C_FEES.minBaseFee * 2,
-        maxPriorityFeePerGas: 0
-      })
-    await enableTx.wait()
-
-    var res = await contract.getCurrentFeeConfig()
-    expect(res.gasLimit).to.be.equal(C_FEES.gasLimit)
-
-    var res = await contract.connect(manager).getCurrentFeeConfig()
-    expect(res.gasLimit).to.be.equal(C_FEES.gasLimit)
-
-    var res = await contract.connect(nonEnabled).getCurrentFeeConfig()
-    expect(res.gasLimit).to.be.equal(C_FEES.gasLimit)
-  });
-
-  it("nonEnabled should not be able to set fee config", async function () {
-    let nonEnabledRole = await ownerPrecompile.readAllowList(nonEnabled.address);
-
-    expect(nonEnabledRole).to.be.equal(ROLES.NONE)
-    try {
-      await contract.connect(nonEnabled).enableWAGMIFees({
-        maxFeePerGas: C_FEES.minBaseFee * 2,
-        maxPriorityFeePerGas: 0
-      })
-    }
-    catch (err) {
-      return
-    }
-    expect.fail("should have errored")
-  })
-
-  it("manager should be able to change fees through contract", async function () {
-    let enableTx = await contract.connect(manager).enableCustomFees(WAGMI_FEES,
-      {
-        maxFeePerGas: C_FEES.minBaseFee * 2,
-        maxPriorityFeePerGas: 0
-      })
-    await enableTx.wait()
-
-    var res = await contract.connect(manager).getCurrentFeeConfig()
-    expect(res.minBaseFee).to.be.equal(WAGMI_FEES.minBaseFee)
-  })
-
-
-  it("non-enabled should not be able to change fees through contract", async function () {
-    try {
-      let enableTx = await contract.connect(nonEnabled).enableCustomFees(WAGMI_FEES,
-        {
-          maxFeePerGas: WAGMI_FEES.minBaseFee * 2,
-          maxPriorityFeePerGas: 0
-        })
-      await enableTx.wait()
-    }
-    catch (err) {
-      return
-    }
-    expect.fail("should have errored")
-  })
-})
diff --git a/contract-examples/test/hubble-v2/OrderBook.ts b/contract-examples/test/hubble-v2/OrderBook.ts
deleted file mode 100644
index 4602fd9208..0000000000
--- a/contract-examples/test/hubble-v2/OrderBook.ts
+++ /dev/null
@@ -1,181 +0,0 @@
-import { expect } from "chai";
-import { ethers } from "hardhat"
-import { BigNumber } from "ethers"
-// import * as _ from "lodash";
-
-// make sure this is always an admin for minter precompile
-const adminAddress: string = "0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"
-const GENESIS_ORDERBOOK_ADDRESS = '0x0300000000000000000000000000000000000000'
-
-describe.only('Order Book', function () {
-    let orderBook, alice, bob, longOrder, shortOrder, domain, orderType, signature
-
-    before(async function () {
-        const signers = await ethers.getSigners()
-        ;([, alice, bob] = signers)
-
-        console.log({alice: alice.address, bob: bob.address})
-        // 1. set proxyAdmin
-        // const genesisTUP = await ethers.getContractAt('GenesisTUP', GENESIS_ORDERBOOK_ADDRESS)
-        // let _admin = await ethers.provider.getStorageAt(GENESIS_ORDERBOOK_ADDRESS, '0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103')
-        // // console.log({ _admin })
-        // let proxyAdmin
-        // if (_admin == '0x' + '0'.repeat(64)) { // because we don't run a fresh subnet everytime
-        //     const ProxyAdmin = await ethers.getContractFactory('ProxyAdmin')
-        //     proxyAdmin = await ProxyAdmin.deploy()
-        //     await genesisTUP.init(proxyAdmin.address)
-        //     console.log('genesisTUP.init done...')
-        //     await delay(2000)
-        // } else {
-        //     proxyAdmin = await ethers.getContractAt('ProxyAdmin', '0x' + _admin.slice(26))
-        // }
-        // // _admin = await ethers.provider.getStorageAt(GENESIS_ORDERBOOK_ADDRESS, '0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103')
-        // // console.log({ _admin })
-
-        // // 2. set implementation
-        // const OrderBook = await ethers.getContractFactory('OrderBook')
-        // const orderBookImpl = await OrderBook.deploy()
-
-        // await delay(2000)
-        // orderBook = await ethers.getContractAt('OrderBook', GENESIS_ORDERBOOK_ADDRESS)
-        // let _impl = await ethers.provider.getStorageAt(GENESIS_ORDERBOOK_ADDRESS, '0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc')
-
-        // if (_impl != '0x' + '0'.repeat(64)) {
-        //     await proxyAdmin.upgrade(GENESIS_ORDERBOOK_ADDRESS, orderBookImpl.address)
-        // } else {
-        //     await proxyAdmin.upgradeAndCall(
-        //         GENESIS_ORDERBOOK_ADDRESS,
-        //         orderBookImpl.address,
-        //         orderBookImpl.interface.encodeFunctionData('initialize', ['Hubble', '2.0'])
-        //     )
-        // }
-        // await delay(2000)
-
-        // _impl = await ethers.provider.getStorageAt(GENESIS_ORDERBOOK_ADDRESS, '0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc')
-        // // console.log({ _impl })
-        // expect(ethers.utils.getAddress('0x' + _impl.slice(26))).to.eq(orderBookImpl.address)
-    })
-
-    it('verify signer', async function() {
-
-        orderBook = await ethers.getContractAt('OrderBook', GENESIS_ORDERBOOK_ADDRESS)
-        domain = {
-            name: 'Hubble',
-            version: '2.0',
-            chainId: (await ethers.provider.getNetwork()).chainId,
-            verifyingContract: orderBook.address
-        }
-
-        orderType = {
-            Order: [
-                // field ordering must be the same as LIMIT_ORDER_TYPEHASH
-                { name: "trader", type: "address" },
-                { name: "baseAssetQuantity", type: "int256" },
-                { name: "price", type: "uint256" },
-                { name: "salt", type: "uint256" },
-            ]
-        }
-        shortOrder = {
-              trader: alice.address,
-              baseAssetQuantity: ethers.utils.parseEther('-5'),
-              price: ethers.utils.parseUnits('15', 6),
-              salt: Date.now()
-        }
-
-        signature = await alice._signTypedData(domain, orderType, shortOrder)
-        const signer = (await orderBook.verifySigner(shortOrder, signature))[0]
-        expect(signer).to.eq(alice.address)
-    })
-
-    it('place an order', async function() {
-        const tx = await orderBook.placeOrder(shortOrder, signature)
-        await expect(tx).to.emit(orderBook, "OrderPlaced").withArgs(
-            shortOrder.trader,
-            shortOrder,
-            signature
-        )
-    })
-
-    it('matches orders with same price and opposite base asset quantity', async function() {
-      // long order with same price and baseAssetQuantity
-        longOrder = {
-            trader: bob.address,
-            baseAssetQuantity: ethers.utils.parseEther('5'),
-            price: ethers.utils.parseUnits('15', 6),
-            salt: Date.now()
-        }
-        let signature = await bob._signTypedData(domain, orderType, longOrder)
-        const tx = await orderBook.placeOrder(longOrder, signature)
-
-        await delay(6000)
-
-        const filter = orderBook.filters
-        let events = await orderBook.queryFilter(filter)
-        console.log({events});
-
-        let matchedOrderEvent = events[events.length -1]
-        // expect(matchedOrderEvent.event).to.eq('OrderMatched')
-    })
-
-    it.skip('make lots of orders', async function() {
-        const signers = await ethers.getSigners()
-
-      // long order with same price and baseAssetQuantity
-        longOrder = {
-            trader: _.sample(signers).address,
-            baseAssetQuantity: ethers.utils.parseEther('5'),
-            price: ethers.utils.parseUnits('15', 6),
-            salt: Date.now()
-        }
-        shortOrder = {
-            trader: _.sample(signers).address,
-            baseAssetQuantity: ethers.utils.parseEther('-5'),
-            price: ethers.utils.parseUnits('15', 6),
-            salt: Date.now()
-        }
-        let signature = await bob._signTypedData(domain, orderType, longOrder)
-        const tx = await orderBook.placeOrder(longOrder, signature)
-
-        signature = await bob._signTypedData(domain, orderType, shortOrder)
-        const tx = await orderBook.placeOrder(longOrder, signature)
-
-        await delay(6000)
-
-        const filter = orderBook.filters
-        let events = await orderBook.queryFilter(filter)
-        let matchedOrderEvent = events[events.length -1]
-        // expect(matchedOrderEvent.event).to.eq('OrderMatched')
-    })
-
-    it.skip('matches multiple long orders with same price and opposite base asset quantity with short orders', async function() {
-        longOrder.salt = Date.now()
-        signature = await bob._signTypedData(domain, orderType, longOrder)
-        const longOrderTx1 = await orderBook.placeOrder(longOrder, signature)
-
-        longOrder.salt = Date.now()
-        signature = await bob._signTypedData(domain, orderType, longOrder)
-        const longOrderTx2 = await orderBook.placeOrder(longOrder, signature)
-
-        shortOrder.salt = Date.now()
-        signature = await alice._signTypedData(domain, orderType, shortOrder)
-        let shortOrderTx1 = await orderBook.placeOrder(shortOrder, signature)
-
-        shortOrder.salt = Date.now()
-        signature = await alice._signTypedData(domain, orderType, shortOrder)
-        let shortOrderTx2 = await orderBook.placeOrder(shortOrder, signature)
-
-        // waiting for next buildblock call
-        await delay(6000)
-        const filter = orderBook.filters
-        let events = await orderBook.queryFilter(filter)
-
-        expect(events[events.length - 1].event).to.eq('OrderMatched')
-        expect(events[events.length - 2].event).to.eq('OrderMatched')
-        expect(events[events.length - 3].event).to.eq('OrderPlaced')
-        expect(events[events.length - 4].event).to.eq('OrderPlaced')
-    })
-})
-
-function delay(ms: number) {
-    return new Promise(resolve => setTimeout(resolve, ms));
-}
diff --git a/contract-examples/test/reward_manager.ts b/contract-examples/test/reward_manager.ts
deleted file mode 100644
index eafb0a8532..0000000000
--- a/contract-examples/test/reward_manager.ts
+++ /dev/null
@@ -1,139 +0,0 @@
-// (c) 2019-2022, Ava Labs, Inc. All rights reserved.
-// See the file LICENSE for licensing terms.
-
-import { SignerWithAddress } from "@nomiclabs/hardhat-ethers/signers";
-import { expect } from "chai";
-import {
-  BigNumber,
-  Contract,
-  ContractFactory,
-} from "ethers"
-import { ethers } from "hardhat"
-import ts = require("typescript");
-
-// make sure this is always an admin for reward manager precompile
-const adminAddress: string = "0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"
-const REWARD_MANAGER_ADDRESS = "0x0200000000000000000000000000000000000004";
-const BLACKHOLE_ADDRESS = "0x0100000000000000000000000000000000000000";
-
-const ROLES = {
-  NONE: 0,
-  ENABLED: 1,
-  ADMIN: 2
-};
-
-describe("ExampleRewardManager", function () {
-  this.timeout("30s")
-  let owner: SignerWithAddress
-  let contract: Contract
-  let signer1: SignerWithAddress
-  let signer2: SignerWithAddress
-  let precompile: Contract
-
-  before(async function () {
-    owner = await ethers.getSigner(adminAddress);
-    signer1 = (await ethers.getSigners())[1]
-    signer2 = (await ethers.getSigners())[2]
-    const Contract: ContractFactory = await ethers.getContractFactory("ExampleRewardManager", { signer: owner })
-    contract = await Contract.deploy()
-    await contract.deployed()
-    const contractAddress: string = contract.address
-    console.log(`Contract deployed to: ${contractAddress}`)
-
-    precompile = await ethers.getContractAt("IRewardManager", REWARD_MANAGER_ADDRESS, owner);
-
-    // Send a transaction to mine a new block
-    const tx = await owner.sendTransaction({
-      to: signer1.address,
-      value: ethers.utils.parseEther("10")
-    })
-    await tx.wait()
-  });
-
-  // this contract is not selected as the reward address yet, so should not be able to receive fees
-  it("should send fees to blackhole", async function () {
-    let rewardAddress = await contract.currentRewardAddress();
-    expect(rewardAddress).to.be.equal(BLACKHOLE_ADDRESS)
-
-    let firstBHBalance = await ethers.provider.getBalance(BLACKHOLE_ADDRESS)
-
-    // Send a transaction to mine a new block
-    const tx = await owner.sendTransaction({
-      to: signer1.address,
-      value: ethers.utils.parseEther("0.0001")
-    })
-    await tx.wait()
-
-    let secondBHBalance = await ethers.provider.getBalance(BLACKHOLE_ADDRESS)
-    expect(secondBHBalance.gt(firstBHBalance)).to.be.true
-  })
-
-  it("should not appoint reward address before enabled", async function () {
-    let contractRole = await precompile.readAllowList(contract.address);
-    expect(contractRole).to.be.equal(ROLES.NONE)
-    try {
-      let tx = await contract.setRewardAddress(signer1.address);
-      await tx.wait()
-    }
-    catch (err) {
-      return
-    }
-    expect.fail("should have errored")
-  });
-
-
-  it("contract should be added to enabled list", async function () {
-    let contractRole = await precompile.readAllowList(contract.address);
-    expect(contractRole).to.be.equal(ROLES.NONE)
-
-    let enableTx = await precompile.setEnabled(contract.address);
-    await enableTx.wait()
-    contractRole = await precompile.readAllowList(contract.address);
-    expect(contractRole).to.be.equal(ROLES.ENABLED)
-  });
-
-
-  it("should be appointed as reward address", async function () {
-    let tx = await contract.setRewardAddress(contract.address);
-    await tx.wait()
-    let rewardAddress = await contract.currentRewardAddress();
-    expect(rewardAddress).to.be.equal(contract.address)
-  });
-
-  it("should be able to receive fees", async function () {
-    let previousBalance = await ethers.provider.getBalance(contract.address)
-
-    // Send a transaction to mine a new block
-    const tx = await owner.sendTransaction({
-      to: signer1.address,
-      value: ethers.utils.parseEther("0.0001")
-    })
-    await tx.wait()
-
-    let balance = await ethers.provider.getBalance(contract.address)
-    expect(balance.gt(previousBalance)).to.be.true
-  })
-
-  it("should return false for allowFeeRecipients check", async function () {
-    let res = await contract.areFeeRecipientsAllowed();
-    expect(res).to.be.false
-  })
-
-  it("should enable allowFeeRecipients", async function () {
-    let tx = await contract.allowFeeRecipients();
-    await tx.wait()
-    let res = await contract.areFeeRecipientsAllowed();
-    expect(res).to.be.true
-  })
-
-  it("should disable reward address", async function () {
-    let tx = await contract.disableRewards();
-    await tx.wait()
-
-    let rewardAddress = await contract.currentRewardAddress();
-    expect(rewardAddress).to.be.equal(BLACKHOLE_ADDRESS)
-
-    let res = await contract.areFeeRecipientsAllowed();
-    expect(res).to.be.false
-  })
-});
diff --git a/contract-examples/test/tx_allow_list.ts b/contract-examples/test/tx_allow_list.ts
deleted file mode 100644
index 6206d7c9d3..0000000000
--- a/contract-examples/test/tx_allow_list.ts
+++ /dev/null
@@ -1,167 +0,0 @@
-// (c) 2019-2022, Ava Labs, Inc. All rights reserved.
-// See the file LICENSE for licensing terms.
-
-import { SignerWithAddress } from "@nomiclabs/hardhat-ethers/signers"
-import { expect } from "chai"
-import {
-  Contract,
-  ContractFactory,
-} from "ethers"
-import { ethers } from "hardhat"
-
-// make sure this is always an admin for minter precompile
-const adminAddress: string = "0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"
-const TX_ALLOW_LIST_ADDRESS = "0x0200000000000000000000000000000000000002"
-
-const ROLES = {
-  NONE: 0,
-  ALLOWED: 1,
-  ADMIN: 2
-}
-
-describe("ExampleTxAllowList", function () {
-  let admin: SignerWithAddress
-  let contract: Contract
-  let allowed: SignerWithAddress
-  let noRole: SignerWithAddress
-  before(async function () {
-    admin = await ethers.getSigner(adminAddress)
-    const contractF: ContractFactory = await ethers.getContractFactory("ExampleTxAllowList", { signer: admin })
-    contract = await contractF.deploy()
-    await contract.deployed()
-    const contractAddress: string = contract.address
-    console.log(`Contract deployed to: ${contractAddress}`)
-
-      ;[, allowed, noRole] = await ethers.getSigners()
-
-    // Fund allowed address
-    await admin.sendTransaction({
-      to: allowed.address,
-      value: ethers.utils.parseEther("10")
-    })
-
-    // Fund no role address
-    let tx = await admin.sendTransaction({
-      to: noRole.address,
-      value: ethers.utils.parseEther("10")
-    })
-    await tx.wait()
-  })
-
-  it("should add contract deployer as admin", async function () {
-    const contractOwnerAdmin: string = await contract.isAdmin(contract.owner())
-    expect(contractOwnerAdmin).to.be.true
-  })
-
-  it("precompile should see admin address has admin role", async function () {
-    // test precompile first
-    const allowList = await ethers.getContractAt("IAllowList", TX_ALLOW_LIST_ADDRESS, admin)
-    let adminRole = await allowList.readAllowList(admin.address)
-    expect(adminRole).to.be.equal(ROLES.ADMIN)
-  })
-
-  it("precompile should see test address has no role", async function () {
-    // test precompile first
-    const allowList = await ethers.getContractAt("IAllowList", TX_ALLOW_LIST_ADDRESS, admin)
-    let role = await allowList.readAllowList(noRole.address)
-    expect(role).to.be.equal(ROLES.NONE)
-  })
-
-  it("contract should report test address has no admin role", async function () {
-    const result = await contract.isAdmin(noRole.address)
-    expect(result).to.be.false
-  })
-
-
-  it("contract should report admin address has admin role", async function () {
-    const result = await contract.isAdmin(admin.address)
-    expect(result).to.be.true
-  })
-
-  it("should not let test address submit txs", async function () {
-    const Token: ContractFactory = await ethers.getContractFactory("ERC20NativeMinter", { signer: noRole })
-    let token: Contract
-    try {
-      token = await Token.deploy(11111)
-    }
-    catch (err) {
-      expect(err.message).contains("cannot issue transaction from non-allow listed address")
-      return
-    }
-    expect.fail("should have errored")
-  })
-
-  it("should not allow noRole to enable itself", async function () {
-    const allowList = await ethers.getContractAt("IAllowList", TX_ALLOW_LIST_ADDRESS, admin)
-    let role = await allowList.readAllowList(contract.address)
-    expect(role).to.be.equal(ROLES.NONE)
-    const result = await contract.isEnabled(contract.address)
-    expect(result).to.be.false
-    try {
-      await contract.setEnabled(noRole.address)
-    }
-    catch (err) {
-      return
-    }
-    expect.fail("should have errored")
-  })
-
-  it("should allow admin to add contract as admin", async function () {
-    const allowList = await ethers.getContractAt("IAllowList", TX_ALLOW_LIST_ADDRESS, admin)
-    let role = await allowList.readAllowList(contract.address)
-    expect(role).to.be.equal(ROLES.NONE)
-    let tx = await allowList.setAdmin(contract.address)
-    await tx.wait()
-    role = await allowList.readAllowList(contract.address)
-    expect(role).to.be.equal(ROLES.ADMIN)
-    const result = await contract.isAdmin(contract.address)
-    expect(result).to.be.true
-  })
-
-  it("should allow admin to add allowed address as allowed through contract", async function () {
-    let result = await contract.isEnabled(allowed.address)
-    expect(result).to.be.false
-    let tx = await contract.setEnabled(allowed.address)
-    await tx.wait()
-    result = await contract.isEnabled(allowed.address)
-    expect(result).to.be.true
-  })
-
-  it("should let allowed address deploy", async function () {
-    const Token: ContractFactory = await ethers.getContractFactory("ERC20NativeMinter", { signer: allowed })
-    let token: Contract
-    token = await Token.deploy(11111)
-    await token.deployed()
-    expect(token.address).not.null
-  })
-
-  it("should not let allowed add another allowed", async function () {
-    try {
-      const signers: SignerWithAddress[] = await ethers.getSigners()
-      const testAddress = signers.slice(-2)[0]
-      await contract.connect(allowed).setEnabled(noRole)
-    }
-    catch (err) {
-      return
-    }
-    expect.fail("should have errored")
-  })
-
-  it("should not let allowed to revoke admin", async function () {
-    try {
-      await contract.connect(allowed).revoke(admin.address)
-    }
-    catch (err) {
-      return
-    }
-    expect.fail("should have errored")
-  })
-
-  it("should let admin to revoke allowed", async function () {
-    let tx = await contract.revoke(allowed.address)
-    await tx.wait()
-    const allowList = await ethers.getContractAt("IAllowList", TX_ALLOW_LIST_ADDRESS, admin)
-    let noRole = await allowList.readAllowList(allowed.address)
-    expect(noRole).to.be.equal(ROLES.NONE)
-  })
-})
diff --git a/contract-examples/test/utils.ts b/contract-examples/test/utils.ts
deleted file mode 100644
index ecee656bc9..0000000000
--- a/contract-examples/test/utils.ts
+++ /dev/null
@@ -1,127 +0,0 @@
-import { ethers } from "hardhat"
-import { CallOverrides } from "ethers"
-const assert = require("assert")
-
-/*
- *
- * The `test` function is a wrapper around Mocha's `it` function. It provides a normalized framework for running the
- * majority of your test assertions inside of a smart-contract, using `DS-Test`.
- * The API can be used as follows (all of the examples are equivalent):
- * ```ts
- * test("<test_name>", "<contract_function_name>")
- * test("<test_name>", ["<contract_function_name>"])
- * test("<test_name>", { method: "<contract_function_name>", overrides: {}, shouldFail: false, debug: false })
- * test("<test_name>", [{ method: "<contract_function_name>", overrides: {}, shouldFail: false, debug: false }])
- * test("<test_name>", [{ method: "<contract_function_name>", shouldFail: false, debug: false }], {})
- * ```
- * Many contract functions can be called as a part of the same test:
- * ```ts
- * test("<test_name>", ["<test_fn1>", "<test_fn2>", "<test_fn3>"])
- * ```
- * Individual test functions can describe their own overrides with the `overrides` property.
- * If an object is passed in as the third argument to `test`, it will be used as the default overrides for all test
- * functions.
- * The following are equivalent:
- * ```ts
- * test("<test_name>", [{ method: "<contract_function_name>", overrides: { from: "0x123" } }])
- * test("<test_name>", [{ method: "<contract_function_name>" }], { from: "0x123" })
- * ```
- * In the above cases, the `from` override must be a signer.
- * The `shouldFail` property can be used to indicate that the test function should fail. This should be used sparingly
- * as it is not possible to match on the failure reason.
- * Furthermore, the `debug` property can be used to print any thrown errors when attempting to
- * send a transaction or while waiting for the transaction to be confirmed (the transaction is the smart contract call).
- * `debug` will also cause any parseable event logs to be printed that start with the `log_` prefix.
- * `DSTest` contracts have several options for emitting `log_` events.
- *
- */
-
-// Below are the types that help define all the different ways to call `test`
-type FnNameOrObject = string | string[] | MethodObject | MethodObject[]
-
-// Limit `from` property to be a `string` instead of `string | Promise<string>`
-type Overrides = CallOverrides & { from?: string }
-
-type MethodObject = { method: string, debug?: boolean, overrides?: Overrides, shouldFail?: boolean }
-
-// This type is after all default values have been applied
-type MethodWithDebugAndOverrides = MethodObject & { debug: boolean, overrides: Overrides, shouldFail: boolean }
-
-// `test` is used very similarly to `it` from Mocha
-export const test = (name, fnNameOrObject, overrides = {}) => it(name, buildTestFn(fnNameOrObject, overrides))
-// `test.only` is used very similarly to `it.only` from Mocha, it will isolate all tests marked with `test.only`
-test.only = (name, fnNameOrObject, overrides = {}) => it.only(name, buildTestFn(fnNameOrObject, overrides))
-// `test.debug` is used to apply `debug: true` to all DSTest contract method calls in the test
-test.debug = (name, fnNameOrObject, overrides = {}) => it.only(name, buildTestFn(fnNameOrObject, overrides, true))
-// `test.skip` is used very similarly to `it.skip` from Mocha, it will skip all tests marked with `test.skip`
-test.skip = (name, fnNameOrObject, overrides = {}) => it.skip(name, buildTestFn(fnNameOrObject, overrides))
-
-// `buildTestFn` is a higher-order function. It returns a function that can be used as the test function for `it`
-const buildTestFn = (fnNameOrObject: FnNameOrObject, overrides = {}, debug = false) => {
-  // normalize the input to an array of objects
-  const fnObjects: MethodWithDebugAndOverrides[] = (Array.isArray(fnNameOrObject) ? fnNameOrObject : [fnNameOrObject]).map(fnNameOrObject => {
-    fnNameOrObject = typeof fnNameOrObject === 'string' ? { method: fnNameOrObject } : fnNameOrObject
-    // assign all default values and overrides
-    fnNameOrObject.overrides = Object.assign({}, overrides, fnNameOrObject.overrides ?? {})
-    fnNameOrObject.debug = fnNameOrObject.debug ?? debug
-    fnNameOrObject.shouldFail = fnNameOrObject.shouldFail ?? false
-
-    return fnNameOrObject as MethodWithDebugAndOverrides
-  })
-
-  // only `test_` prefixed functions can be called on the `DSTest` contracts to clearly separate tests and helpers
-  assert(fnObjects.every(({ method }) => method.startsWith('test_')), "Solidity test functions must be prefixed with 'test_'")
-
-  // return the test function that will be used by `it`
-  // this function must be defined with the `function` keyword so that `this` is bound to the Mocha context
-  return async function() {
-    // `Array.prototype.reduce` is used here to ensure that the test functions are called in order.
-    // Each test function waits for its predecessor to complete before starting
-    return fnObjects.reduce((p: Promise<undefined>, fn) => p.then(async () => {
-      const contract = fn.overrides.from
-        ? this.testContract.connect(await ethers.getSigner(fn.overrides.from))
-        : this.testContract
-      const tx = await contract[fn.method](fn.overrides).catch(err => {
-        if (fn.shouldFail) {
-          if (fn.debug) console.error(`smart contract call failed with error:\n${err}\n`)
-
-          return { failed: true }
-        }
-
-        console.error("smart contract call failed with error:", err)
-        throw err
-      })
-
-      // no more assertions necessary if the method-call should fail and did fail
-      if (tx.failed && fn.shouldFail) return
-
-      const txReceipt = await tx.wait().catch(err => {
-        if (fn.debug) console.error(`tx failed with error:\n${err}\n`)
-        return err.receipt
-      })
-
-      // `txReceipt.status` will be `0` if the transaction failed.
-      // `contract.callStatic.failed()` will return `true` if any of the `DSTest` assertions failed.
-      const failed = txReceipt.status === 0 ? true : await contract.callStatic.failed()
-      if (fn.debug || failed) {
-        console.log('')
-
-        if (!txReceipt.events) console.warn('WARNING: No parseable events found in tx-receipt\n')
-
-        // If `DSTest` assertions failed, the contract will emit logs describing the assertion failure(s).
-        txReceipt
-          .events
-          ?.filter(event => fn.debug || event.event?.startsWith('log'))
-          .map(event => event.args?.forEach(arg => console.log(arg)))
-
-        console.log('')
-      }
-
-      if (fn.shouldFail) {
-        assert(failed, `${fn.method} should have failed`)
-      } else {
-        assert(!failed, `${fn.method} failed`)
-      }
-    }), Promise.resolve())
-  }
-}
diff --git a/contract-examples/tsconfig.json b/contract-examples/tsconfig.json
deleted file mode 100644
index 1f3a011864..0000000000
--- a/contract-examples/tsconfig.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "compilerOptions": {
-    "resolveJsonModule": true
-  }
-}
diff --git a/contract-examples/.gitignore b/contracts/.gitignore
similarity index 100%
rename from contract-examples/.gitignore
rename to contracts/.gitignore
diff --git a/contracts/.npmrc b/contracts/.npmrc
new file mode 100644
index 0000000000..b6f27f1359
--- /dev/null
+++ b/contracts/.npmrc
@@ -0,0 +1 @@
+engine-strict=true
diff --git a/contract-examples/.prettierrc b/contracts/.prettierrc
similarity index 100%
rename from contract-examples/.prettierrc
rename to contracts/.prettierrc
diff --git a/contract-examples/README.md b/contracts/README.md
similarity index 93%
rename from contract-examples/README.md
rename to contracts/README.md
index 1e4b2c7cb0..949d8884c1 100644
--- a/contract-examples/README.md
+++ b/contracts/README.md
@@ -12,15 +12,9 @@ The goal of this guide is to lay out best practices regarding writing, testing a
 
 ## Prerequisites
 
-### NodeJS and Yarn
+### NodeJS and NPM
 
-First, install the LTS (long-term support) version of [nodejs](https://nodejs.org/en). This is `16.2.0` at the time of writing. NodeJS bundles `npm`.
-
-Next, install [yarn](https://yarnpkg.com):
-
-```zsh
-npm install -g yarn
-```
+First, install the LTS (long-term support) version of [nodejs](https://nodejs.org/en). This is `18.16.0` at the time of writing. NodeJS bundles `npm`.
 
 ### Solidity and Avalanche
 
@@ -32,8 +26,8 @@ Clone the repo and install the necessary packages via `yarn`.
 
 ```zsh
 $ git clone https://github.com/ava-labs/subnet-evm.git
-$ cd contract-examples
-$ yarn
+$ cd contracts
+$ npm install
 ```
 
 ## Write Contracts
@@ -54,7 +48,7 @@ For more information about precompiles see [subnet-evm precompiles](https://gith
 
 Hardhat uses `hardhat.config.js` as the configuration file. You can define tasks, networks, compilers and more in that file. For more information see [here](https://hardhat.org/config/).
 
-In Subnet-EVM, we provide a pre-configured file [hardhat.config.ts](https://github.com/ava-labs/avalanche-smart-contract-quickstart/blob/main/hardhat.config.ts).
+In Subnet-EVM, we provide a pre-configured file [hardhat.config.ts](https://github.com/ava-labs/subnet-evm/blob/master/contracts/hardhat.config.ts).
 
 The HardHat config file includes a single network configuration: `local`. `local` defaults to using the following values for the RPC URL and the Chain ID:
 
@@ -73,11 +67,11 @@ Alternatively, you can copy and paste the `local` network configuration to creat
 
 ```json
 {
-  networks: {
-    mynetwork: {
-      url: "http://127.0.0.1:9650/ext/bc/28N1Tv5CZziQ3FKCaXmo8xtxoFtuoVA6NvZykAT5MtGjF4JkGs/rpc",
-      chainId: 33333,
-      accounts: [
+  "networks": {
+    "mynetwork": {
+      "url": "http://127.0.0.1:9650/ext/bc/28N1Tv5CZziQ3FKCaXmo8xtxoFtuoVA6NvZykAT5MtGjF4JkGs/rpc",
+      "chainId": 33333,
+      "accounts": [
         "0x56289e99c94b6912bfc12adc093c9b51124f0dc54ac7a766b2bc5ccf558d8027",
         "0x7b4198529994b0dc604278c99d153cfd069d594753d471171a1d102a10438e07",
         "0x15614556be13730e9e8d6eacc1603143e7b96987429df8726384c2ec4502ef6e",
@@ -89,8 +83,8 @@ Alternatively, you can copy and paste the `local` network configuration to creat
         "0x86f78c5416151fe3546dece84fda4b4b1e36089f2dbc48496faf3a950f16157c",
         "0x750839e9dbbd2a0910efe40f50b2f3b2f2f59f5580bb4b83bd8c1201cf9a010a"
       ],
-      pollingInterval: "1s"
-    },
+      "pollingInterval": "1s"
+    }
   }
 }
 ```
diff --git a/contract-examples/contracts/AllowList.sol b/contracts/contracts/AllowList.sol
similarity index 94%
rename from contract-examples/contracts/AllowList.sol
rename to contracts/contracts/AllowList.sol
index 1c1abe43e4..de836e7620 100644
--- a/contract-examples/contracts/AllowList.sol
+++ b/contracts/contracts/AllowList.sol
@@ -1,7 +1,7 @@
 //SPDX-License-Identifier: MIT
 pragma solidity ^0.8.0;
 
-import "./IAllowList.sol";
+import "./interfaces/IAllowList.sol";
 import "@openzeppelin/contracts/access/Ownable.sol";
 
 // AllowList is a base contract to use AllowList precompile capabilities.
@@ -13,6 +13,12 @@ contract AllowList is Ownable {
   uint256 constant STATUS_ENABLED = 1;
   uint256 constant STATUS_ADMIN = 2;
 
+  enum Role {
+    None,
+    Enabled,
+    Admin
+  }
+
   constructor(address precompileAddr) Ownable() {
     allowList = IAllowList(precompileAddr);
   }
diff --git a/contract-examples/contracts/ERC20NativeMinter.sol b/contracts/contracts/ERC20NativeMinter.sol
similarity index 86%
rename from contract-examples/contracts/ERC20NativeMinter.sol
rename to contracts/contracts/ERC20NativeMinter.sol
index 4ada13bc4b..6e7cafaa46 100644
--- a/contract-examples/contracts/ERC20NativeMinter.sol
+++ b/contracts/contracts/ERC20NativeMinter.sol
@@ -3,13 +3,14 @@ pragma solidity ^0.8.0;
 
 import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
 import "./AllowList.sol";
-import "./INativeMinter.sol";
+import "./interfaces/INativeMinter.sol";
+
+// Precompiled Native Minter Contract Address
+address constant MINTER_ADDRESS = 0x0200000000000000000000000000000000000001;
+// Designated Blackhole Address
+address constant BLACKHOLE_ADDRESS = 0x0100000000000000000000000000000000000000;
 
 contract ERC20NativeMinter is ERC20, AllowList {
-  // Precompiled Native Minter Contract Address
-  address constant MINTER_ADDRESS = 0x0200000000000000000000000000000000000001;
-  // Designated Blackhole Address
-  address constant BLACKHOLE_ADDRESS = 0x0100000000000000000000000000000000000000;
   string private constant TOKEN_NAME = "ERC20NativeMinterToken";
   string private constant TOKEN_SYMBOL = "XMPL";
 
diff --git a/contract-examples/contracts/ExampleDeployerList.sol b/contracts/contracts/ExampleDeployerList.sol
similarity index 58%
rename from contract-examples/contracts/ExampleDeployerList.sol
rename to contracts/contracts/ExampleDeployerList.sol
index e749fa3241..4e620e8037 100644
--- a/contract-examples/contracts/ExampleDeployerList.sol
+++ b/contracts/contracts/ExampleDeployerList.sol
@@ -2,14 +2,24 @@
 pragma solidity ^0.8.0;
 
 import "@openzeppelin/contracts/access/Ownable.sol";
-import "./IAllowList.sol";
+import "./interfaces/IAllowList.sol";
 import "./AllowList.sol";
 
+address constant DEPLOYER_LIST = 0x0200000000000000000000000000000000000000;
+address constant OTHER_ADDRESS = 0x0Fa8EA536Be85F32724D57A37758761B86416123;
+
 // ExampleDeployerList shows how ContractDeployerAllowList precompile can be used in a smart contract
 // All methods of [allowList] can be directly called. There are example calls as tasks in hardhat.config.ts file.
 contract ExampleDeployerList is AllowList {
   // Precompiled Allow List Contract Address
-  address constant DEPLOYER_LIST = 0x0200000000000000000000000000000000000000;
-
   constructor() AllowList(DEPLOYER_LIST) {}
+
+  function deployContract() public {
+    new Example();
+  }
+}
+
+// This is an empty contract that can be used to test contract deployment
+contract Example {
+
 }
diff --git a/contracts/contracts/ExampleFeeManager.sol b/contracts/contracts/ExampleFeeManager.sol
new file mode 100644
index 0000000000..0ad16e0791
--- /dev/null
+++ b/contracts/contracts/ExampleFeeManager.sol
@@ -0,0 +1,104 @@
+//SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+pragma experimental ABIEncoderV2;
+
+import "@openzeppelin/contracts/access/Ownable.sol";
+import "./AllowList.sol";
+import "./interfaces/IFeeManager.sol";
+
+address constant FEE_MANAGER_ADDRESS = 0x0200000000000000000000000000000000000003;
+
+uint constant WAGMI_GAS_LIMIT = 20_000_000;
+uint constant WAGMI_TARGET_BLOCK_RATE = 2;
+uint constant WAGMI_MIN_BASE_FEE = 1_000_000_000;
+uint constant WAGMI_TARGET_GAS = 100_000_000;
+uint constant WAGMI_BASE_FEE_CHANGE_DENOMINATOR = 48;
+uint constant WAGMI_MIN_BLOCK_GAS_COST = 0;
+uint constant WAGMI_MAX_BLOCK_GAS_COST = 10_000_000;
+uint constant WAGMI_BLOCK_GAS_COST_STEP = 500_000;
+
+uint constant CCHAIN_GAS_LIMIT = 8_000_000;
+uint constant CCHAIN_TARGET_BLOCK_RATE = 2;
+uint constant CCHAIN_MIN_BASE_FEE = 25_000_000_000;
+uint constant CCHAIN_TARGET_GAS = 15_000_000;
+uint constant CCHAIN_BASE_FEE_CHANGE_DENOMINATOR = 36;
+uint constant CCHAIN_MIN_BLOCK_GAS_COST = 0;
+uint constant CCHAIN_MAX_BLOCK_GAS_COST = 1_000_000;
+uint constant CCHAIN_BLOCK_GAS_COST_STEP = 100_000;
+
+struct FeeConfig {
+  uint256 gasLimit;
+  uint256 targetBlockRate;
+  uint256 minBaseFee;
+  uint256 targetGas;
+  uint256 baseFeeChangeDenominator;
+  uint256 minBlockGasCost;
+  uint256 maxBlockGasCost;
+  uint256 blockGasCostStep;
+}
+
+// ExampleFeeManager shows how FeeManager precompile can be used in a smart contract
+// All methods of [allowList] can be directly called. There are example calls as tasks in hardhat.config.ts file.
+contract ExampleFeeManager is AllowList {
+  IFeeManager feeManager = IFeeManager(FEE_MANAGER_ADDRESS);
+
+  constructor() AllowList(FEE_MANAGER_ADDRESS) {}
+
+  function enableWAGMIFees() public onlyEnabled {
+    feeManager.setFeeConfig(
+      WAGMI_GAS_LIMIT,
+      WAGMI_TARGET_BLOCK_RATE,
+      WAGMI_MIN_BASE_FEE,
+      WAGMI_TARGET_GAS,
+      WAGMI_BASE_FEE_CHANGE_DENOMINATOR,
+      WAGMI_MIN_BLOCK_GAS_COST,
+      WAGMI_MAX_BLOCK_GAS_COST,
+      WAGMI_BLOCK_GAS_COST_STEP
+    );
+  }
+
+  function enableCChainFees() public onlyEnabled {
+    feeManager.setFeeConfig(
+      CCHAIN_GAS_LIMIT,
+      CCHAIN_TARGET_BLOCK_RATE,
+      CCHAIN_MIN_BASE_FEE,
+      CCHAIN_TARGET_GAS,
+      CCHAIN_BASE_FEE_CHANGE_DENOMINATOR,
+      CCHAIN_MIN_BLOCK_GAS_COST,
+      CCHAIN_MAX_BLOCK_GAS_COST,
+      CCHAIN_BLOCK_GAS_COST_STEP
+    );
+  }
+
+  function enableCustomFees(FeeConfig memory config) public onlyEnabled {
+    feeManager.setFeeConfig(
+      config.gasLimit,
+      config.targetBlockRate,
+      config.minBaseFee,
+      config.targetGas,
+      config.baseFeeChangeDenominator,
+      config.minBlockGasCost,
+      config.maxBlockGasCost,
+      config.blockGasCostStep
+    );
+  }
+
+  function getCurrentFeeConfig() public view returns (FeeConfig memory) {
+    FeeConfig memory config;
+    (
+      config.gasLimit,
+      config.targetBlockRate,
+      config.minBaseFee,
+      config.targetGas,
+      config.baseFeeChangeDenominator,
+      config.minBlockGasCost,
+      config.maxBlockGasCost,
+      config.blockGasCostStep
+    ) = feeManager.getFeeConfig();
+    return config;
+  }
+
+  function getFeeConfigLastChangedAt() public view returns (uint256) {
+    return feeManager.getFeeConfigLastChangedAt();
+  }
+}
diff --git a/contract-examples/contracts/ExampleRewardManager.sol b/contracts/contracts/ExampleRewardManager.sol
similarity index 87%
rename from contract-examples/contracts/ExampleRewardManager.sol
rename to contracts/contracts/ExampleRewardManager.sol
index 6c6635bdeb..61f0649933 100644
--- a/contract-examples/contracts/ExampleRewardManager.sol
+++ b/contracts/contracts/ExampleRewardManager.sol
@@ -1,12 +1,13 @@
 //SPDX-License-Identifier: MIT
 pragma solidity ^0.8.0;
 
-import "./IRewardManager.sol";
+import "./interfaces/IRewardManager.sol";
 import "@openzeppelin/contracts/access/Ownable.sol";
 
+address constant REWARD_MANAGER_ADDRESS = 0x0200000000000000000000000000000000000004;
+
 // ExampleRewardManager is a sample wrapper contract for RewardManager precompile.
 contract ExampleRewardManager is Ownable {
-  address constant REWARD_MANAGER_ADDRESS = 0x0200000000000000000000000000000000000004;
   IRewardManager rewardManager = IRewardManager(REWARD_MANAGER_ADDRESS);
 
   constructor() Ownable() {}
diff --git a/contract-examples/contracts/ExampleTxAllowList.sol b/contracts/contracts/ExampleTxAllowList.sol
similarity index 54%
rename from contract-examples/contracts/ExampleTxAllowList.sol
rename to contracts/contracts/ExampleTxAllowList.sol
index 9d5c80095f..463411e844 100644
--- a/contract-examples/contracts/ExampleTxAllowList.sol
+++ b/contracts/contracts/ExampleTxAllowList.sol
@@ -1,14 +1,21 @@
 //SPDX-License-Identifier: MIT
 pragma solidity ^0.8.0;
 
-import "@openzeppelin/contracts/access/Ownable.sol";
 import "./AllowList.sol";
+import "./interfaces/IAllowList.sol";
+
+// Precompiled Allow List Contract Address
+address constant TX_ALLOW_LIST = 0x0200000000000000000000000000000000000002;
+address constant OTHER_ADDRESS = 0x0Fa8EA536Be85F32724D57A37758761B86416123;
 
 // ExampleTxAllowList shows how TxAllowList precompile can be used in a smart contract
 // All methods of [allowList] can be directly called. There are example calls as tasks in hardhat.config.ts file.
 contract ExampleTxAllowList is AllowList {
-  // Precompiled Allow List Contract Address
-  address constant TX_ALLOW_LIST = 0x0200000000000000000000000000000000000002;
-
   constructor() AllowList(TX_ALLOW_LIST) {}
+
+  function deployContract() public {
+    new Example();
+  }
 }
+
+contract Example {}
diff --git a/contracts/contracts/ExampleWarp.sol b/contracts/contracts/ExampleWarp.sol
new file mode 100644
index 0000000000..cbfb60ac73
--- /dev/null
+++ b/contracts/contracts/ExampleWarp.sol
@@ -0,0 +1,42 @@
+//SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+pragma experimental ABIEncoderV2;
+
+import "./interfaces/IWarpMessenger.sol";
+
+contract ExampleWarp {
+    address constant WARP_ADDRESS = 0x0200000000000000000000000000000000000005;
+    WarpMessenger warp = WarpMessenger(WARP_ADDRESS);
+
+    // sendWarpMessage sends a warp message to the specified destination chain and address pair containing the payload
+    function sendWarpMessage(
+        bytes32 destinationChainID,
+        address destinationAddress,
+        bytes calldata payload
+    ) external {
+        warp.sendWarpMessage(destinationChainID, destinationAddress, payload);
+    }
+
+
+    // validateWarpMessage retrieves the warp message attached to the transaction and verifies all of its attributes.
+    function validateWarpMessage(
+        bytes32 originChainID,
+        address originSenderAddress,
+        bytes32 destinationChainID,
+        address destinationAddress,
+        bytes calldata payload
+    ) external view {
+        (WarpMessage memory message, bool exists) = warp.getVerifiedWarpMessage();
+        require(exists);
+        require(message.originChainID == originChainID);
+        require(message.originSenderAddress == originSenderAddress);
+        require(message.destinationChainID == destinationChainID);
+        require(message.destinationAddress == destinationAddress);
+        require(keccak256(message.payload) == keccak256(payload));
+    }
+
+    // validateGetBlockchainID checks that the blockchainID returned by warp matches the argument
+    function validateGetBlockchainID(bytes32 blockchainID) external view {
+        require(blockchainID == warp.getBlockchainID());
+    }
+}
diff --git a/contract-examples/contracts/IAllowList.sol b/contracts/contracts/interfaces/IAllowList.sol
similarity index 100%
rename from contract-examples/contracts/IAllowList.sol
rename to contracts/contracts/interfaces/IAllowList.sol
diff --git a/contract-examples/contracts/IFeeManager.sol b/contracts/contracts/interfaces/IFeeManager.sol
similarity index 100%
rename from contract-examples/contracts/IFeeManager.sol
rename to contracts/contracts/interfaces/IFeeManager.sol
diff --git a/contract-examples/contracts/INativeMinter.sol b/contracts/contracts/interfaces/INativeMinter.sol
similarity index 100%
rename from contract-examples/contracts/INativeMinter.sol
rename to contracts/contracts/interfaces/INativeMinter.sol
diff --git a/contract-examples/contracts/IRewardManager.sol b/contracts/contracts/interfaces/IRewardManager.sol
similarity index 100%
rename from contract-examples/contracts/IRewardManager.sol
rename to contracts/contracts/interfaces/IRewardManager.sol
diff --git a/contracts/contracts/interfaces/IWarpMessenger.sol b/contracts/contracts/interfaces/IWarpMessenger.sol
new file mode 100644
index 0000000000..38a8d6e3cd
--- /dev/null
+++ b/contracts/contracts/interfaces/IWarpMessenger.sol
@@ -0,0 +1,56 @@
+// (c) 2022-2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.0;
+
+struct WarpMessage {
+    bytes32 originChainID;
+    address originSenderAddress;
+    bytes32 destinationChainID;
+    address destinationAddress;
+    bytes payload;
+}
+
+interface WarpMessenger {
+    event SendWarpMessage(
+        bytes32 indexed destinationChainID,
+        address indexed destinationAddress,
+        address indexed sender,
+        bytes message
+    );
+
+    // sendWarpMessage emits a request for the subnet to send a warp message from [msg.sender]
+    // with the specified parameters.
+    // This emits a SendWarpMessage log from the precompile. When the corresponding block is accepted
+    // the Accept hook of the Warp precompile is invoked with all accepted logs emitted by the Warp
+    // precompile.
+    // Each validator then adds the UnsignedWarpMessage encoded in the log to the set of messages
+    // it is willing to sign for an off-chain relayer to aggregate Warp signatures.
+    function sendWarpMessage(
+        bytes32 destinationChainID,
+        address destinationAddress,
+        bytes calldata payload
+    ) external;
+
+    // getVerifiedWarpMessage parses the pre-verified warp message in the
+    // predicate storage slots as a WarpMessage and returns it to the caller.
+    // Returns false if no such predicate exists.
+    function getVerifiedWarpMessage()
+        external view
+        returns (WarpMessage calldata message, bool exists);
+
+    // Note: getVerifiedWarpMessage takes no arguments because it returns a single verified
+    // message that is encoded in the predicate (inside the tx access list) of the transaction.
+    // The alternative design to this is to verify messages during the EVM's execution in which
+    // case there would be no predicate and the block would encode the hits/misses that occur
+    // throughout its execution.
+    // This would result in the following alternative function signature:
+    // function verifyMessage(bytes calldata signedWarpMsg) external returns (WarpMessage calldata message);
+
+    // getBlockchainID returns the snow.Context BlockchainID of this chain.
+    // This blockchainID is the hash of the transaction that created this blockchain on the P-Chain
+    // and is not related to the Ethereum ChainID.
+    function getBlockchainID() external view returns (bytes32 blockchainID);
+}
diff --git a/contract-examples/contracts/hubble-v2/ClearingHouse.sol b/contracts/contracts/interfaces/hubble-v2/ClearingHouse.sol
similarity index 100%
rename from contract-examples/contracts/hubble-v2/ClearingHouse.sol
rename to contracts/contracts/interfaces/hubble-v2/ClearingHouse.sol
diff --git a/contract-examples/contracts/hubble-v2/GenesisTUP.sol b/contracts/contracts/interfaces/hubble-v2/GenesisTUP.sol
similarity index 100%
rename from contract-examples/contracts/hubble-v2/GenesisTUP.sol
rename to contracts/contracts/interfaces/hubble-v2/GenesisTUP.sol
diff --git a/contract-examples/contracts/hubble-v2/OrderBook.sol b/contracts/contracts/interfaces/hubble-v2/OrderBook.sol
similarity index 98%
rename from contract-examples/contracts/hubble-v2/OrderBook.sol
rename to contracts/contracts/interfaces/hubble-v2/OrderBook.sol
index e06bee64d4..06a2bae76c 100644
--- a/contract-examples/contracts/hubble-v2/OrderBook.sol
+++ b/contracts/contracts/interfaces/hubble-v2/OrderBook.sol
@@ -149,7 +149,7 @@ contract OrderBook is IOrderBook, EIP712Upgradeable {
         }
     }
 
-    function verifySigner(Order memory order, bytes memory signature) public view returns (address, bytes32) {
+    function verifySigner(Order memory order, bytes memory /* signature */) public view returns (address, bytes32) {
         bytes32 orderHash = getOrderHash(order);
 
         // removed because verification is not required
diff --git a/contract-examples/contracts/hubble-v2/interfaces/IClearingHouse.sol b/contracts/contracts/interfaces/hubble-v2/interfaces/IClearingHouse.sol
similarity index 100%
rename from contract-examples/contracts/hubble-v2/interfaces/IClearingHouse.sol
rename to contracts/contracts/interfaces/hubble-v2/interfaces/IClearingHouse.sol
diff --git a/contract-examples/contracts/hubble-v2/interfaces/IHubbleBibliophile.sol b/contracts/contracts/interfaces/hubble-v2/interfaces/IHubbleBibliophile.sol
similarity index 100%
rename from contract-examples/contracts/hubble-v2/interfaces/IHubbleBibliophile.sol
rename to contracts/contracts/interfaces/hubble-v2/interfaces/IHubbleBibliophile.sol
diff --git a/contract-examples/contracts/hubble-v2/interfaces/IJuror.sol b/contracts/contracts/interfaces/hubble-v2/interfaces/IJuror.sol
similarity index 100%
rename from contract-examples/contracts/hubble-v2/interfaces/IJuror.sol
rename to contracts/contracts/interfaces/hubble-v2/interfaces/IJuror.sol
diff --git a/contract-examples/contracts/hubble-v2/interfaces/IMarginAccount.sol b/contracts/contracts/interfaces/hubble-v2/interfaces/IMarginAccount.sol
similarity index 100%
rename from contract-examples/contracts/hubble-v2/interfaces/IMarginAccount.sol
rename to contracts/contracts/interfaces/hubble-v2/interfaces/IMarginAccount.sol
diff --git a/contract-examples/contracts/hubble-v2/interfaces/IOrderBook.sol b/contracts/contracts/interfaces/hubble-v2/interfaces/IOrderBook.sol
similarity index 100%
rename from contract-examples/contracts/hubble-v2/interfaces/IOrderBook.sol
rename to contracts/contracts/interfaces/hubble-v2/interfaces/IOrderBook.sol
diff --git a/contracts/contracts/test/AllowListTest.sol b/contracts/contracts/test/AllowListTest.sol
new file mode 100644
index 0000000000..dd3846dc6d
--- /dev/null
+++ b/contracts/contracts/test/AllowListTest.sol
@@ -0,0 +1,11 @@
+//SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import "../AllowList.sol";
+import "ds-test/src/test.sol";
+
+contract AllowListTest is DSTest {
+  function assertRole(uint result, AllowList.Role role) internal {
+    assertEq(result, uint(role));
+  }
+}
diff --git a/contracts/contracts/test/ERC20NativeMinterTest.sol b/contracts/contracts/test/ERC20NativeMinterTest.sol
new file mode 100644
index 0000000000..cd2484f6b7
--- /dev/null
+++ b/contracts/contracts/test/ERC20NativeMinterTest.sol
@@ -0,0 +1,144 @@
+//SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import "../ERC20NativeMinter.sol";
+import "../interfaces/INativeMinter.sol";
+import "./AllowListTest.sol";
+
+// TODO:
+// this contract adds another (unwanted) layer of indirection
+// but it's the easiest way to match the previous HardHat testing functionality.
+// Once we completely migrate to DS-test, we can simplify this set of tests.
+contract Minter {
+  ERC20NativeMinter token;
+
+  constructor(address tokenAddress) {
+    token = ERC20NativeMinter(tokenAddress);
+  }
+
+  function mintdraw(uint amount) external {
+    token.mintdraw(amount);
+  }
+
+  function deposit(uint value) external {
+    token.deposit{value: value}();
+  }
+}
+
+contract ERC20NativeMinterTest is AllowListTest {
+  INativeMinter nativeMinter = INativeMinter(MINTER_ADDRESS);
+
+  function setUp() public {
+    // noop
+  }
+
+  function step_mintdrawFailure() public {
+    ERC20NativeMinter token = new ERC20NativeMinter(1000);
+    address tokenAddress = address(token);
+
+    assertRole(nativeMinter.readAllowList(tokenAddress), AllowList.Role.None);
+
+    try token.mintdraw(100) {
+      assertTrue(false, "mintdraw should fail");
+    } catch {} // TODO should match on an error to make sure that this is failing in the way that's expected
+  }
+
+  function step_addMinter() public {
+    ERC20NativeMinter token = new ERC20NativeMinter(1000);
+    address tokenAddress = address(token);
+
+    assertRole(nativeMinter.readAllowList(tokenAddress), AllowList.Role.None);
+
+    nativeMinter.setEnabled(tokenAddress);
+
+    assertRole(nativeMinter.readAllowList(tokenAddress), AllowList.Role.Enabled);
+  }
+
+  function step_adminMintdraw() public {
+    ERC20NativeMinter token = new ERC20NativeMinter(1000);
+    address tokenAddress = address(token);
+
+    address testAddress = address(this);
+
+    nativeMinter.setEnabled(tokenAddress);
+
+    uint initialTokenBalance = token.balanceOf(testAddress);
+    uint initialNativeBalance = testAddress.balance;
+
+    uint amount = 100;
+
+    token.mintdraw(amount);
+
+    assertEq(token.balanceOf(testAddress), initialTokenBalance - amount);
+    assertEq(testAddress.balance, initialNativeBalance + amount);
+  }
+
+  function step_minterMintdrawFailure() public {
+    ERC20NativeMinter token = new ERC20NativeMinter(1000);
+    address tokenAddress = address(token);
+
+    Minter minter = new Minter(tokenAddress);
+    address minterAddress = address(minter);
+
+    nativeMinter.setEnabled(tokenAddress);
+
+    uint initialTokenBalance = token.balanceOf(minterAddress);
+    uint initialNativeBalance = minterAddress.balance;
+
+    assertEq(initialTokenBalance, 0);
+
+    try minter.mintdraw(100) {
+      assertTrue(false, "mintdraw should fail");
+    } catch {} // TODO should match on an error to make sure that this is failing in the way that's expected
+
+    assertEq(token.balanceOf(minterAddress), initialTokenBalance);
+    assertEq(minterAddress.balance, initialNativeBalance);
+  }
+
+  function step_minterDeposit() public {
+    ERC20NativeMinter token = new ERC20NativeMinter(1000);
+    address tokenAddress = address(token);
+
+    Minter minter = new Minter(tokenAddress);
+    address minterAddress = address(minter);
+
+    nativeMinter.setEnabled(tokenAddress);
+
+    uint amount = 100;
+
+    nativeMinter.mintNativeCoin(minterAddress, amount);
+
+    uint initialTokenBalance = token.balanceOf(minterAddress);
+    uint initialNativeBalance = minterAddress.balance;
+
+    minter.deposit(amount);
+
+    assertEq(token.balanceOf(minterAddress), initialTokenBalance + amount);
+    assertEq(minterAddress.balance, initialNativeBalance - amount);
+  }
+
+  function step_mintdraw() public {
+    ERC20NativeMinter token = new ERC20NativeMinter(1000);
+    address tokenAddress = address(token);
+
+    Minter minter = new Minter(tokenAddress);
+    address minterAddress = address(minter);
+
+    nativeMinter.setEnabled(tokenAddress);
+
+    uint amount = 100;
+
+    uint initialNativeBalance = minterAddress.balance;
+    assertEq(initialNativeBalance, 0);
+
+    token.mint(minterAddress, amount);
+
+    uint initialTokenBalance = token.balanceOf(minterAddress);
+    assertEq(initialTokenBalance, amount);
+
+    minter.mintdraw(amount);
+
+    assertEq(token.balanceOf(minterAddress), 0);
+    assertEq(minterAddress.balance, amount);
+  }
+}
diff --git a/contracts/contracts/test/ExampleDeployerListTest.sol b/contracts/contracts/test/ExampleDeployerListTest.sol
new file mode 100644
index 0000000000..55e5388b64
--- /dev/null
+++ b/contracts/contracts/test/ExampleDeployerListTest.sol
@@ -0,0 +1,120 @@
+//SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import "../ExampleDeployerList.sol";
+import "../interfaces/IAllowList.sol";
+import "../AllowList.sol";
+import "./AllowListTest.sol";
+
+// ExampleDeployerListTest defines transactions that are used to test
+// the DeployerAllowList precompile by instantiating and calling the
+// ExampleDeployerList and making assertions.
+// The transactions are put together as steps of a complete test in contract_deployer_allow_list.ts.
+// TODO: a bunch of these tests have repeated code that should be combined
+contract ExampleDeployerListTest is AllowListTest {
+  IAllowList allowList = IAllowList(DEPLOYER_LIST);
+  ExampleDeployerList private example;
+
+  function setUp() public {
+    example = new ExampleDeployerList();
+    allowList.setNone(OTHER_ADDRESS);
+  }
+
+  function step_verifySenderIsAdmin() public {
+    assertRole(allowList.readAllowList(msg.sender), AllowList.Role.Admin);
+  }
+
+  function step_newAddressHasNoRole() public {
+    address exampleAddress = address(example);
+
+    assertRole(allowList.readAllowList(exampleAddress), AllowList.Role.None);
+  }
+
+  function step_noRoleIsNotAdmin() public {
+    address exampleAddress = address(example);
+
+    assertRole(allowList.readAllowList(exampleAddress), AllowList.Role.None);
+    assertTrue(!example.isAdmin(exampleAddress));
+  }
+
+  function step_ownerIsAdmin() public {
+    address exampleAddress = address(example);
+
+    assertRole(allowList.readAllowList(exampleAddress), AllowList.Role.None);
+    assertTrue(example.isAdmin(address(this)));
+  }
+
+  function step_noRoleCannotDeploy() public {
+    assertRole(allowList.readAllowList(tx.origin), AllowList.Role.None);
+
+    try example.deployContract() {
+      assertTrue(false, "deployContract should fail");
+    } catch {} // TODO should match on an error to make sure that this is failing in the way that's expected
+  }
+
+  function step_adminAddContractAsAdmin() public {
+    address exampleAddress = address(example);
+
+    assertRole(allowList.readAllowList(exampleAddress), AllowList.Role.None);
+
+    allowList.setAdmin(exampleAddress);
+
+    assertRole(allowList.readAllowList(exampleAddress), AllowList.Role.Admin);
+
+    assertTrue(example.isAdmin(exampleAddress));
+  }
+
+  function step_addDeployerThroughContract() public {
+    ExampleDeployerList other = new ExampleDeployerList();
+    address exampleAddress = address(example);
+    address otherAddress = address(other);
+
+    assertRole(allowList.readAllowList(exampleAddress), AllowList.Role.None);
+
+    allowList.setAdmin(exampleAddress);
+
+    assertRole(allowList.readAllowList(exampleAddress), AllowList.Role.Admin);
+
+    example.setEnabled(otherAddress);
+
+    assertTrue(example.isEnabled(otherAddress));
+  }
+
+  function step_deployerCanDeploy() public {
+    ExampleDeployerList deployer = new ExampleDeployerList();
+    address exampleAddress = address(example);
+    address deployerAddress = address(deployer);
+
+    assertRole(allowList.readAllowList(exampleAddress), AllowList.Role.None);
+
+    allowList.setAdmin(exampleAddress);
+
+    assertRole(allowList.readAllowList(exampleAddress), AllowList.Role.Admin);
+
+    example.setEnabled(deployerAddress);
+
+    assertTrue(example.isEnabled(deployerAddress));
+
+    deployer.deployContract();
+  }
+
+  function step_adminCanRevokeDeployer() public {
+    ExampleDeployerList deployer = new ExampleDeployerList();
+    address exampleAddress = address(example);
+    address deployerAddress = address(deployer);
+
+    assertRole(allowList.readAllowList(exampleAddress), AllowList.Role.None);
+
+    allowList.setAdmin(exampleAddress);
+
+    assertRole(allowList.readAllowList(exampleAddress), AllowList.Role.Admin);
+
+    example.setEnabled(deployerAddress);
+
+    assertTrue(example.isEnabled(deployerAddress));
+
+    example.revoke(deployerAddress);
+
+    assertRole(allowList.readAllowList(deployerAddress), AllowList.Role.None);
+  }
+}
diff --git a/contracts/contracts/test/ExampleFeeManagerTest.sol b/contracts/contracts/test/ExampleFeeManagerTest.sol
new file mode 100644
index 0000000000..e96442e18c
--- /dev/null
+++ b/contracts/contracts/test/ExampleFeeManagerTest.sol
@@ -0,0 +1,126 @@
+//SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+pragma experimental ABIEncoderV2;
+
+import "../ExampleFeeManager.sol";
+import "./AllowListTest.sol";
+import "../AllowList.sol";
+import "../interfaces/IFeeManager.sol";
+
+contract ExampleFeeManagerTest is AllowListTest {
+  IFeeManager manager = IFeeManager(FEE_MANAGER_ADDRESS);
+
+  uint256 testNumber;
+
+  function setUp() public {
+    // noop
+  }
+
+  function step_addContractDeployerAsOwner() public {
+    ExampleFeeManager example = new ExampleFeeManager();
+    assertEq(address(this), example.owner());
+  }
+
+  function step_enableWAGMIFeesFailure() public {
+    ExampleFeeManager example = new ExampleFeeManager();
+
+    assertRole(manager.readAllowList(address(this)), AllowList.Role.Admin);
+
+    try example.enableWAGMIFees() {
+      assertTrue(false, "enableWAGMIFees should fail");
+    } catch {} // TODO should match on an error to make sure that this is failing in the way that's expected
+  }
+
+  function step_addContractToManagerList() public {
+    ExampleFeeManager example = new ExampleFeeManager();
+
+    address exampleAddress = address(example);
+    address thisAddress = address(this);
+
+    assertRole(manager.readAllowList(thisAddress), AllowList.Role.Admin);
+    assertRole(manager.readAllowList(exampleAddress), AllowList.Role.None);
+
+    manager.setEnabled(exampleAddress);
+
+    assertRole(manager.readAllowList(exampleAddress), AllowList.Role.Enabled);
+  }
+
+  function step_changeFees() public {
+    ExampleFeeManager example = new ExampleFeeManager();
+    address exampleAddress = address(example);
+
+    manager.setEnabled(exampleAddress);
+
+    FeeConfig memory config = example.getCurrentFeeConfig();
+
+    FeeConfig memory newFeeConfig = FeeConfig({
+      gasLimit: CCHAIN_GAS_LIMIT,
+      targetBlockRate: CCHAIN_TARGET_BLOCK_RATE,
+      minBaseFee: CCHAIN_MIN_BASE_FEE,
+      targetGas: CCHAIN_TARGET_GAS,
+      baseFeeChangeDenominator: CCHAIN_BASE_FEE_CHANGE_DENOMINATOR,
+      minBlockGasCost: CCHAIN_MIN_BLOCK_GAS_COST,
+      maxBlockGasCost: CCHAIN_MAX_BLOCK_GAS_COST,
+      blockGasCostStep: CCHAIN_BLOCK_GAS_COST_STEP
+    });
+
+    assertNotEq(config.gasLimit, newFeeConfig.gasLimit);
+    // target block rate is the same for wagmi and cchain
+    // assertNotEq(config.targetBlockRate, newFeeConfig.targetBlockRate);
+    assertNotEq(config.minBaseFee, newFeeConfig.minBaseFee);
+    assertNotEq(config.targetGas, newFeeConfig.targetGas);
+    assertNotEq(config.baseFeeChangeDenominator, newFeeConfig.baseFeeChangeDenominator);
+    // min block gas cost is the same for wagmi and cchain
+    // assertNotEq(config.minBlockGasCost, newFeeConfig.minBlockGasCost);
+    assertNotEq(config.maxBlockGasCost, newFeeConfig.maxBlockGasCost);
+    assertNotEq(config.blockGasCostStep, newFeeConfig.blockGasCostStep);
+
+    example.enableCChainFees();
+
+    FeeConfig memory changedFeeConfig = example.getCurrentFeeConfig();
+
+    assertEq(changedFeeConfig.gasLimit, newFeeConfig.gasLimit);
+    // target block rate is the same for wagmi and cchain
+    // assertEq(changedFeeConfig.targetBlockRate, newFeeConfig.targetBlockRate);
+    assertEq(changedFeeConfig.minBaseFee, newFeeConfig.minBaseFee);
+    assertEq(changedFeeConfig.targetGas, newFeeConfig.targetGas);
+    assertEq(changedFeeConfig.baseFeeChangeDenominator, newFeeConfig.baseFeeChangeDenominator);
+    // min block gas cost is the same for wagmi and cchain
+    // assertEq(changedFeeConfig.minBlockGasCost, newFeeConfig.minBlockGasCost);
+    assertEq(changedFeeConfig.maxBlockGasCost, newFeeConfig.maxBlockGasCost);
+    assertEq(changedFeeConfig.blockGasCostStep, newFeeConfig.blockGasCostStep);
+
+    assertEq(example.getFeeConfigLastChangedAt(), block.number);
+
+    // reset fees to what they were before
+    example.enableCustomFees(config);
+  }
+
+  function step_minFeeTransaction() public {
+    // used as a noop for testing min-fees associated with a transaction
+  }
+
+  function step_raiseMinFeeByOne() public {
+    ExampleFeeManager example = new ExampleFeeManager();
+    address exampleAddress = address(example);
+
+    manager.setEnabled(exampleAddress);
+
+    FeeConfig memory config = example.getCurrentFeeConfig();
+    config.minBaseFee = config.minBaseFee + 1;
+
+    example.enableCustomFees(config);
+  }
+
+  function step_lowerMinFeeByOne() public {
+    ExampleFeeManager example = new ExampleFeeManager();
+    address exampleAddress = address(example);
+
+    manager.setEnabled(exampleAddress);
+
+    FeeConfig memory config = example.getCurrentFeeConfig();
+    config.minBaseFee = config.minBaseFee - 1;
+
+    example.enableCustomFees(config);
+  }
+}
diff --git a/contracts/contracts/test/ExampleRewardManagerTest.sol b/contracts/contracts/test/ExampleRewardManagerTest.sol
new file mode 100644
index 0000000000..79fb9c3ff6
--- /dev/null
+++ b/contracts/contracts/test/ExampleRewardManagerTest.sol
@@ -0,0 +1,108 @@
+//SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import "../ExampleRewardManager.sol";
+import "../interfaces/IRewardManager.sol";
+import "./AllowListTest.sol";
+
+address constant BLACKHOLE_ADDRESS = 0x0100000000000000000000000000000000000000;
+
+contract ExampleRewardManagerTest is AllowListTest {
+  IRewardManager rewardManager = IRewardManager(REWARD_MANAGER_ADDRESS);
+
+  ExampleRewardManager exampleReceiveFees;
+  uint exampleBalance;
+
+  uint blackholeBalance;
+
+  function setUp() public {
+    blackholeBalance = BLACKHOLE_ADDRESS.balance;
+  }
+
+  function step_captureBlackholeBalance() public {
+    blackholeBalance = BLACKHOLE_ADDRESS.balance;
+  }
+
+  function step_checkSendFeesToBlackhole() public {
+    assertGt(BLACKHOLE_ADDRESS.balance, blackholeBalance);
+  }
+
+  function step_doesNotSetRewardAddressBeforeEnabled() public {
+    ExampleRewardManager example = new ExampleRewardManager();
+    address exampleAddress = address(example);
+
+    assertRole(rewardManager.readAllowList(exampleAddress), AllowList.Role.None);
+
+    try example.setRewardAddress(exampleAddress) {
+      assertTrue(false, "setRewardAddress should fail");
+    } catch {} // TODO should match on an error to make sure that this is failing in the way that's expected
+  }
+
+  function step_setEnabled() public {
+    ExampleRewardManager example = new ExampleRewardManager();
+    address exampleAddress = address(example);
+
+    assertRole(rewardManager.readAllowList(exampleAddress), AllowList.Role.None);
+    rewardManager.setEnabled(exampleAddress);
+    assertRole(rewardManager.readAllowList(exampleAddress), AllowList.Role.Enabled);
+  }
+
+  function step_setRewardAddress() public {
+    ExampleRewardManager example = new ExampleRewardManager();
+    address exampleAddress = address(example);
+
+    rewardManager.setEnabled(exampleAddress);
+    example.setRewardAddress(exampleAddress);
+
+    assertEq(example.currentRewardAddress(), exampleAddress);
+  }
+
+  function step_setupReceiveFees() public {
+    ExampleRewardManager example = new ExampleRewardManager();
+    address exampleAddress = address(example);
+
+    rewardManager.setEnabled(exampleAddress);
+    example.setRewardAddress(exampleAddress);
+
+    exampleReceiveFees = example;
+    exampleBalance = exampleAddress.balance;
+  }
+
+  function step_receiveFees() public {
+    // used as a noop to test if the correct address receives fees
+  }
+
+  function step_checkReceiveFees() public {
+    assertGt(address(exampleReceiveFees).balance, exampleBalance);
+  }
+
+  function step_areFeeRecipientsAllowed() public {
+    ExampleRewardManager example = new ExampleRewardManager();
+    assertTrue(!example.areFeeRecipientsAllowed());
+  }
+
+  function step_allowFeeRecipients() public {
+    ExampleRewardManager example = new ExampleRewardManager();
+    address exampleAddress = address(example);
+
+    rewardManager.setEnabled(exampleAddress);
+
+    example.allowFeeRecipients();
+    assertTrue(example.areFeeRecipientsAllowed());
+  }
+
+  function step_disableRewardAddress() public {
+    ExampleRewardManager example = new ExampleRewardManager();
+    address exampleAddress = address(example);
+
+    rewardManager.setEnabled(exampleAddress);
+
+    example.setRewardAddress(exampleAddress);
+
+    assertEq(example.currentRewardAddress(), exampleAddress);
+
+    example.disableRewards();
+
+    assertEq(example.currentRewardAddress(), BLACKHOLE_ADDRESS);
+  }
+}
diff --git a/contracts/contracts/test/ExampleTxAllowListTest.sol b/contracts/contracts/test/ExampleTxAllowListTest.sol
new file mode 100644
index 0000000000..fa046230ee
--- /dev/null
+++ b/contracts/contracts/test/ExampleTxAllowListTest.sol
@@ -0,0 +1,165 @@
+//SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import "../ExampleTxAllowList.sol";
+import "../AllowList.sol";
+import "../interfaces/IAllowList.sol";
+import "./AllowListTest.sol";
+
+contract ExampleTxAllowListTest is AllowListTest {
+  IAllowList allowList = IAllowList(TX_ALLOW_LIST);
+
+  function setUp() public {
+    allowList.setNone(OTHER_ADDRESS);
+  }
+
+  function step_contractOwnerIsAdmin() public {
+    ExampleTxAllowList example = new ExampleTxAllowList();
+    assertTrue(example.isAdmin(address(this)));
+  }
+
+  function step_precompileHasDeployerAsAdmin() public {
+    assertRole(allowList.readAllowList(msg.sender), AllowList.Role.Admin);
+  }
+
+  function step_newAddressHasNoRole() public {
+    ExampleTxAllowList example = new ExampleTxAllowList();
+    assertRole(allowList.readAllowList(address(example)), AllowList.Role.None);
+  }
+
+  function step_noRoleIsNotAdmin() public {
+    ExampleTxAllowList example = new ExampleTxAllowList();
+    ExampleTxAllowList other = new ExampleTxAllowList();
+    assertTrue(!example.isAdmin(address(other)));
+  }
+
+  function step_exmapleAllowListReturnsTestIsAdmin() public {
+    ExampleTxAllowList example = new ExampleTxAllowList();
+    assertTrue(example.isAdmin(address(this)));
+  }
+
+  function step_fromOther() public {
+    // used as a noop to test transaction-success or failure, depending on wether the signer has been added to the tx-allow-list
+  }
+
+  function step_enableOther() public {
+    assertRole(allowList.readAllowList(OTHER_ADDRESS), AllowList.Role.None);
+    allowList.setEnabled(OTHER_ADDRESS);
+  }
+
+  function step_noRoleCannotEnableItself() public {
+    ExampleTxAllowList example = new ExampleTxAllowList();
+
+    assertRole(allowList.readAllowList(address(example)), AllowList.Role.None);
+
+    try example.setEnabled(address(example)) {
+      assertTrue(false, "setEnabled should fail");
+    } catch {} // TODO should match on an error to make sure that this is failing in the way that's expected
+  }
+
+  function step_addContractAsAdmin() public {
+    ExampleTxAllowList example = new ExampleTxAllowList();
+    address exampleAddress = address(example);
+
+    assertRole(allowList.readAllowList(exampleAddress), AllowList.Role.None);
+
+    allowList.setAdmin(exampleAddress);
+
+    assertRole(allowList.readAllowList(exampleAddress), AllowList.Role.Admin);
+
+    assertTrue(example.isAdmin(exampleAddress));
+  }
+
+  function step_enableThroughContract() public {
+    ExampleTxAllowList example = new ExampleTxAllowList();
+    ExampleTxAllowList other = new ExampleTxAllowList();
+    address exampleAddress = address(example);
+    address otherAddress = address(other);
+
+    assertTrue(!example.isEnabled(exampleAddress));
+    assertTrue(!example.isEnabled(otherAddress));
+
+    allowList.setAdmin(exampleAddress);
+
+    assertTrue(example.isEnabled(exampleAddress));
+    assertTrue(!example.isEnabled(otherAddress));
+
+    example.setEnabled(otherAddress);
+
+    assertTrue(example.isEnabled(exampleAddress));
+    assertTrue(example.isEnabled(otherAddress));
+  }
+
+  function step_canDeploy() public {
+    ExampleTxAllowList example = new ExampleTxAllowList();
+    address exampleAddress = address(example);
+
+    allowList.setEnabled(exampleAddress);
+
+    example.deployContract();
+  }
+
+  function step_onlyAdminCanEnable() public {
+    ExampleTxAllowList example = new ExampleTxAllowList();
+    ExampleTxAllowList other = new ExampleTxAllowList();
+    address exampleAddress = address(example);
+    address otherAddress = address(other);
+
+    assertTrue(!example.isEnabled(exampleAddress));
+    assertTrue(!example.isEnabled(otherAddress));
+
+    allowList.setEnabled(exampleAddress);
+
+    assertTrue(example.isEnabled(exampleAddress));
+    assertTrue(!example.isEnabled(otherAddress));
+
+    try example.setEnabled(otherAddress) {
+      assertTrue(false, "setEnabled should fail");
+    } catch {} // TODO should match on an error to make sure that this is failing in the way that's expected
+
+    // state should not have changed when setEnabled fails
+    assertTrue(!example.isEnabled(otherAddress));
+  }
+
+  function step_onlyAdminCanRevoke() public {
+    ExampleTxAllowList example = new ExampleTxAllowList();
+    ExampleTxAllowList other = new ExampleTxAllowList();
+    address exampleAddress = address(example);
+    address otherAddress = address(other);
+
+    assertTrue(!example.isEnabled(exampleAddress));
+    assertTrue(!example.isEnabled(otherAddress));
+
+    allowList.setEnabled(exampleAddress);
+    allowList.setAdmin(otherAddress);
+
+    assertTrue(example.isEnabled(exampleAddress) && !example.isAdmin(exampleAddress));
+    assertTrue(example.isAdmin(otherAddress));
+
+    try example.revoke(otherAddress) {
+      assertTrue(false, "revoke should fail");
+    } catch {} // TODO should match on an error to make sure that this is failing in the way that's expected
+
+    // state should not have changed when revoke fails
+    assertTrue(example.isAdmin(otherAddress));
+  }
+
+  function step_adminCanRevoke() public {
+    ExampleTxAllowList example = new ExampleTxAllowList();
+    ExampleTxAllowList other = new ExampleTxAllowList();
+    address exampleAddress = address(example);
+    address otherAddress = address(other);
+
+    assertTrue(!example.isEnabled(exampleAddress));
+    assertTrue(!example.isEnabled(otherAddress));
+
+    allowList.setAdmin(exampleAddress);
+    allowList.setAdmin(otherAddress);
+
+    assertTrue(example.isAdmin(exampleAddress));
+    assertTrue(other.isAdmin(otherAddress));
+
+    example.revoke(otherAddress);
+    assertTrue(!other.isEnabled(otherAddress));
+  }
+}
diff --git a/contract-examples/hardhat.config.ts b/contracts/hardhat.config.ts
similarity index 90%
rename from contract-examples/hardhat.config.ts
rename to contracts/hardhat.config.ts
index fa33419abb..e55bd701cd 100644
--- a/contract-examples/hardhat.config.ts
+++ b/contracts/hardhat.config.ts
@@ -1,10 +1,11 @@
 import "@nomiclabs/hardhat-waffle"
-import "./tasks.ts"
+import "@nomiclabs/hardhat-ethers"
+import "./tasks"
 
 // HardHat users must populate these environment variables in order to connect to their subnet-evm instance
 // Since the blockchainID is not known in advance, there's no good default to use and we use the C-Chain here.
 var local_rpc_uri = process.env.RPC_URI || "http://127.0.0.1:9650/ext/bc/C/rpc"
-var local_chain_id = parseInt(process.env.CHAIN_ID,10) || 99999
+var local_chain_id = parseInt(process.env.CHAIN_ID, 10) || 99999
 
 export default {
   solidity: {
@@ -21,9 +22,12 @@ export default {
       {
         version: "0.7.0"
       },
+      {
+        version: "0.8.0"
+      },
       {
         version: "0.8.9"
-      }
+      },
     ]
   },
   networks: {
diff --git a/contracts/package-lock.json b/contracts/package-lock.json
new file mode 100644
index 0000000000..98edb17137
--- /dev/null
+++ b/contracts/package-lock.json
@@ -0,0 +1,15510 @@
+{
+  "name": "@avalabs/subnet-evm-contracts",
+  "version": "1.0.0",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "@avalabs/subnet-evm-contracts",
+      "version": "1.0.0",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "ds-test": "https://github.com/dapphub/ds-test.git"
+      },
+      "devDependencies": {
+        "@nomiclabs/hardhat-ethers": "^2.0.2",
+        "@nomiclabs/hardhat-waffle": "^2.0.1",
+        "@openzeppelin/contracts": "^4.7.1",
+        "@openzeppelin/contracts-upgradeable": "^4.8.0",
+        "@types/chai": "^4.2.21",
+        "@types/mocha": "^9.0.0",
+        "@types/node": "^16.7.1",
+        "avalanche": "^3.8.5",
+        "chai": "^4.3.4",
+        "ethers": "^5.4.5",
+        "hardhat": "2.15.0",
+        "prettier": "^2.5.1",
+        "prettier-plugin-solidity": "^1.0.0-beta.19",
+        "ts-node": "^10.9.1",
+        "typescript": "^5.1.3"
+      },
+      "engines": {
+        "node": ">=18.15.0",
+        "npm": ">6.0.0"
+      }
+    },
+    "node_modules/@chainsafe/as-sha256": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/@chainsafe/as-sha256/-/as-sha256-0.3.1.tgz",
+      "integrity": "sha512-hldFFYuf49ed7DAakWVXSJODuq3pzJEguD8tQ7h+sGkM18vja+OFoJI9krnGmgzyuZC2ETX0NOIcCTy31v2Mtg==",
+      "dev": true
+    },
+    "node_modules/@chainsafe/persistent-merkle-tree": {
+      "version": "0.4.2",
+      "resolved": "https://registry.npmjs.org/@chainsafe/persistent-merkle-tree/-/persistent-merkle-tree-0.4.2.tgz",
+      "integrity": "sha512-lLO3ihKPngXLTus/L7WHKaw9PnNJWizlOF1H9NNzHP6Xvh82vzg9F2bzkXhYIFshMZ2gTCEz8tq6STe7r5NDfQ==",
+      "dev": true,
+      "dependencies": {
+        "@chainsafe/as-sha256": "^0.3.1"
+      }
+    },
+    "node_modules/@chainsafe/ssz": {
+      "version": "0.9.4",
+      "resolved": "https://registry.npmjs.org/@chainsafe/ssz/-/ssz-0.9.4.tgz",
+      "integrity": "sha512-77Qtg2N1ayqs4Bg/wvnWfg5Bta7iy7IRh8XqXh7oNMeP2HBbBwx8m6yTpA8p0EHItWPEBkgZd5S5/LSlp3GXuQ==",
+      "dev": true,
+      "dependencies": {
+        "@chainsafe/as-sha256": "^0.3.1",
+        "@chainsafe/persistent-merkle-tree": "^0.4.2",
+        "case": "^1.6.3"
+      }
+    },
+    "node_modules/@cspotcode/source-map-support": {
+      "version": "0.8.1",
+      "resolved": "https://registry.npmjs.org/@cspotcode/source-map-support/-/source-map-support-0.8.1.tgz",
+      "integrity": "sha512-IchNf6dN4tHoMFIn/7OE8LWZ19Y6q/67Bmf6vnGREv8RSbBVb9LPJxEcnwrcwX6ixSvaiGoomAUvu4YSxXrVgw==",
+      "dev": true,
+      "dependencies": {
+        "@jridgewell/trace-mapping": "0.3.9"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@ensdomains/ens": {
+      "version": "0.4.5",
+      "resolved": "https://registry.npmjs.org/@ensdomains/ens/-/ens-0.4.5.tgz",
+      "integrity": "sha512-JSvpj1iNMFjK6K+uVl4unqMoa9rf5jopb8cya5UGBWz23Nw8hSNT7efgUx4BTlAPAgpNlEioUfeTyQ6J9ZvTVw==",
+      "deprecated": "Please use @ensdomains/ens-contracts",
+      "dev": true,
+      "peer": true,
+      "dependencies": {
+        "bluebird": "^3.5.2",
+        "eth-ens-namehash": "^2.0.8",
+        "solc": "^0.4.20",
+        "testrpc": "0.0.1",
+        "web3-utils": "^1.0.0-beta.31"
+      }
+    },
+    "node_modules/@ensdomains/ens/node_modules/ansi-regex": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+      "integrity": "sha512-TIGnTpdo+E3+pCyAluZvtED5p5wCqLdezCyhPZzKPcxvFplEt4i+W7OONCKgeZFT3+y5NZZfOOS/Bdcanm1MYA==",
+      "dev": true,
+      "peer": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/@ensdomains/ens/node_modules/camelcase": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
+      "integrity": "sha512-4nhGqUkc4BqbBBB4Q6zLuD7lzzrHYrjKGeYaEji/3tFR5VdJu9v+LilhGIVe8wxEJPPOeWo7eg8dwY13TZ1BNg==",
+      "dev": true,
+      "peer": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/@ensdomains/ens/node_modules/cliui": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/cliui/-/cliui-3.2.0.tgz",
+      "integrity": "sha512-0yayqDxWQbqk3ojkYqUKqaAQ6AfNKeKWRNA8kR0WXzAsdHpP4BIaOmMAG87JGuO6qcobyW4GjxHd9PmhEd+T9w==",
+      "dev": true,
+      "peer": true,
+      "dependencies": {
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1",
+        "wrap-ansi": "^2.0.0"
+      }
+    },
+    "node_modules/@ensdomains/ens/node_modules/fs-extra": {
+      "version": "0.30.0",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-0.30.0.tgz",
+      "integrity": "sha512-UvSPKyhMn6LEd/WpUaV9C9t3zATuqoqfWc3QdPhPLb58prN9tqYPlPWi8Krxi44loBoUzlobqZ3+8tGpxxSzwA==",
+      "dev": true,
+      "peer": true,
+      "dependencies": {
+        "graceful-fs": "^4.1.2",
+        "jsonfile": "^2.1.0",
+        "klaw": "^1.0.0",
+        "path-is-absolute": "^1.0.0",
+        "rimraf": "^2.2.8"
+      }
+    },
+    "node_modules/@ensdomains/ens/node_modules/get-caller-file": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.3.tgz",
+      "integrity": "sha512-3t6rVToeoZfYSGd8YoLFR2DJkiQrIiUrGcjvFX2mDw3bn6k2OtwHN0TNCLbBO+w8qTvimhDkv+LSscbJY1vE6w==",
+      "dev": true,
+      "peer": true
+    },
+    "node_modules/@ensdomains/ens/node_modules/is-fullwidth-code-point": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
+      "integrity": "sha512-1pqUqRjkhPJ9miNq9SwMfdvi6lBJcd6eFxvfaivQhaH3SgisfiuudvFntdKOmxuee/77l+FPjKrQjWvmPjWrRw==",
+      "dev": true,
+      "peer": true,
+      "dependencies": {
+        "number-is-nan": "^1.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/@ensdomains/ens/node_modules/jsonfile": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
+      "integrity": "sha512-PKllAqbgLgxHaj8TElYymKCAgrASebJrWpTnEkOaTowt23VKXXN0sUeriJ+eh7y6ufb/CC5ap11pz71/cM0hUw==",
+      "dev": true,
+      "peer": true,
+      "optionalDependencies": {
+        "graceful-fs": "^4.1.6"
+      }
+    },
+    "node_modules/@ensdomains/ens/node_modules/require-from-string": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/require-from-string/-/require-from-string-1.2.1.tgz",
+      "integrity": "sha512-H7AkJWMobeskkttHyhTVtS0fxpFLjxhbfMa6Bk3wimP7sdPRGL3EyCg3sAQenFfAe+xQ+oAc85Nmtvq0ROM83Q==",
+      "dev": true,
+      "peer": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/@ensdomains/ens/node_modules/require-main-filename": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-1.0.1.tgz",
+      "integrity": "sha512-IqSUtOVP4ksd1C/ej5zeEh/BIP2ajqpn8c5x+q99gvcIG/Qf0cud5raVnE/Dwd0ua9TXYDoDc0RE5hBSdz22Ug==",
+      "dev": true,
+      "peer": true
+    },
+    "node_modules/@ensdomains/ens/node_modules/semver": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+      "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
+      "dev": true,
+      "peer": true,
+      "bin": {
+        "semver": "bin/semver"
+      }
+    },
+    "node_modules/@ensdomains/ens/node_modules/solc": {
+      "version": "0.4.26",
+      "resolved": "https://registry.npmjs.org/solc/-/solc-0.4.26.tgz",
+      "integrity": "sha512-o+c6FpkiHd+HPjmjEVpQgH7fqZ14tJpXhho+/bQXlXbliLIS/xjXb42Vxh+qQY1WCSTMQ0+a5vR9vi0MfhU6mA==",
+      "dev": true,
+      "peer": true,
+      "dependencies": {
+        "fs-extra": "^0.30.0",
+        "memorystream": "^0.3.1",
+        "require-from-string": "^1.1.0",
+        "semver": "^5.3.0",
+        "yargs": "^4.7.1"
+      },
+      "bin": {
+        "solcjs": "solcjs"
+      }
+    },
+    "node_modules/@ensdomains/ens/node_modules/string-width": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+      "integrity": "sha512-0XsVpQLnVCXHJfyEs8tC0zpTVIr5PKKsQtkT29IwupnPTjtPmQ3xT/4yCREF9hYkV/3M3kzcUTSAZT6a6h81tw==",
+      "dev": true,
+      "peer": true,
+      "dependencies": {
+        "code-point-at": "^1.0.0",
+        "is-fullwidth-code-point": "^1.0.0",
+        "strip-ansi": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/@ensdomains/ens/node_modules/strip-ansi": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "integrity": "sha512-VhumSSbBqDTP8p2ZLKj40UjBCV4+v8bUSEpUb4KjRgWk9pbqGF4REFj6KEagidb2f/M6AzC0EmFyDNGaw9OCzg==",
+      "dev": true,
+      "peer": true,
+      "dependencies": {
+        "ansi-regex": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/@ensdomains/ens/node_modules/which-module": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/which-module/-/which-module-1.0.0.tgz",
+      "integrity": "sha512-F6+WgncZi/mJDrammbTuHe1q0R5hOXv/mBaiNA2TCNT/LTHusX0V+CJnj9XT8ki5ln2UZyyddDgHfCzyrOH7MQ==",
+      "dev": true,
+      "peer": true
+    },
+    "node_modules/@ensdomains/ens/node_modules/wrap-ansi": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
+      "integrity": "sha512-vAaEaDM946gbNpH5pLVNR+vX2ht6n0Bt3GXwVB1AuAqZosOvHNF3P7wDnh8KLkSqgUh0uh77le7Owgoz+Z9XBw==",
+      "dev": true,
+      "peer": true,
+      "dependencies": {
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/@ensdomains/ens/node_modules/y18n": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.2.tgz",
+      "integrity": "sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==",
+      "dev": true,
+      "peer": true
+    },
+    "node_modules/@ensdomains/ens/node_modules/yargs": {
+      "version": "4.8.1",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-4.8.1.tgz",
+      "integrity": "sha512-LqodLrnIDM3IFT+Hf/5sxBnEGECrfdC1uIbgZeJmESCSo4HoCAaKEus8MylXHAkdacGc0ye+Qa+dpkuom8uVYA==",
+      "dev": true,
+      "peer": true,
+      "dependencies": {
+        "cliui": "^3.2.0",
+        "decamelize": "^1.1.1",
+        "get-caller-file": "^1.0.1",
+        "lodash.assign": "^4.0.3",
+        "os-locale": "^1.4.0",
+        "read-pkg-up": "^1.0.1",
+        "require-directory": "^2.1.1",
+        "require-main-filename": "^1.0.1",
+        "set-blocking": "^2.0.0",
+        "string-width": "^1.0.1",
+        "which-module": "^1.0.0",
+        "window-size": "^0.2.0",
+        "y18n": "^3.2.1",
+        "yargs-parser": "^2.4.1"
+      }
+    },
+    "node_modules/@ensdomains/ens/node_modules/yargs-parser": {
+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-2.4.1.tgz",
+      "integrity": "sha512-9pIKIJhnI5tonzG6OnCFlz/yln8xHYcGl+pn3xR0Vzff0vzN1PbNRaelgfgRUwZ3s4i3jvxT9WhmUGL4whnasA==",
+      "dev": true,
+      "peer": true,
+      "dependencies": {
+        "camelcase": "^3.0.0",
+        "lodash.assign": "^4.0.6"
+      }
+    },
+    "node_modules/@ensdomains/resolver": {
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/@ensdomains/resolver/-/resolver-0.2.4.tgz",
+      "integrity": "sha512-bvaTH34PMCbv6anRa9I/0zjLJgY4EuznbEMgbV77JBCQ9KNC46rzi0avuxpOfu+xDjPEtSFGqVEOr5GlUSGudA==",
+      "deprecated": "Please use @ensdomains/ens-contracts",
+      "dev": true,
+      "peer": true
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+          "integrity": "sha512-9iE1PgSik9HeIIw2JO94IidnE3eBoQrFJ3w7sFuzSX4DpmZ3v5sZpUiV5Swcf6mQEF+Y0ru8Neo+p+nyh2J+hQ==",
+          "dev": true
+        }
+      }
+    },
+    "yn": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
+      "integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==",
+      "dev": true
+    },
+    "yocto-queue": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
+      "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==",
+      "dev": true
+    }
+  }
+}
diff --git a/contract-examples/package.json b/contracts/package.json
similarity index 50%
rename from contract-examples/package.json
rename to contracts/package.json
index 3cb13352dc..8be31cf7db 100644
--- a/contract-examples/package.json
+++ b/contracts/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "subnet-evm-contracts",
+  "name": "@avalabs/subnet-evm-contracts",
   "devDependencies": {
     "@nomiclabs/hardhat-ethers": "^2.0.2",
     "@nomiclabs/hardhat-waffle": "^2.0.1",
@@ -10,37 +10,38 @@
     "@types/node": "^16.7.1",
     "avalanche": "^3.8.5",
     "chai": "^4.3.4",
-    "ethereum-waffle": "^3.4.0",
-    "ethereumjs-tx": "^2.1.2",
     "ethers": "^5.4.5",
-    "hardhat": "2.6.1",
+    "hardhat": "2.15.0",
     "prettier": "^2.5.1",
     "prettier-plugin-solidity": "^1.0.0-beta.19",
-    "ts-node": "^10.2.1"
+    "ts-node": "^10.9.1",
+    "typescript": "^5.1.3"
   },
   "version": "1.0.0",
   "description": "",
-  "main": "index.js",
-  "repository": "https://github.com/ava-labs/subnet-evm-contracts",
+  "main": "dist/index.js",
+  "types": "dist/index.d.ts",
+  "module": "dist/index.js",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/ava-labs/subnet-evm.git",
+    "directory": "contracts"
+  },
   "license": "BSD-3-Clause",
   "scripts": {
+    "build": "rm -rf dist/ && tsc -b && npx hardhat compile --network local",
     "compile": "npx hardhat compile",
     "console": "npx hardhat console",
-    "pretest": "yarn compile",
-    "test": "npx hardhat test --network local",
-    "erc20:deploy": "npx hardhat run scripts/deployERC20NativeMinter.ts",
-    "erc20:run": "npx hardhat run scripts/erc20NativeMinter.ts",
-    "prepublishOnly": "yarn test",
+    "test": "npx hardhat test",
     "lint": "prettier --list-different 'contracts/**/*.sol'",
-    "hardhat": "npx hardhat",
-    "accounts": "npx hardhat accounts",
-    "balances": "npx hardhat balances"
+    "prepublish": "npm run build",
+    "release:prepare": "rm -rf ./dist ./node_modules && npm install && npm run build"
   },
   "dependencies": {
-    "ds-test": "https://github.com/dapphub/ds-test.git",
-    "typescript": "^4.3.5"
+    "ds-test": "https://github.com/dapphub/ds-test.git"
   },
   "engines": {
-    "node": ">=14.17.0"
+    "npm": ">6.0.0",
+    "node": ">=18.15.0"
   }
 }
diff --git a/contract-examples/scripts/deployERC20NativeMinter.ts b/contracts/scripts/deployERC20NativeMinter.ts
similarity index 100%
rename from contract-examples/scripts/deployERC20NativeMinter.ts
rename to contracts/scripts/deployERC20NativeMinter.ts
diff --git a/contract-examples/scripts/deployExampleDeployerList.ts b/contracts/scripts/deployExampleDeployerList.ts
similarity index 100%
rename from contract-examples/scripts/deployExampleDeployerList.ts
rename to contracts/scripts/deployExampleDeployerList.ts
diff --git a/contract-examples/scripts/deployExampleRewardManager.ts b/contracts/scripts/deployExampleRewardManager.ts
similarity index 93%
rename from contract-examples/scripts/deployExampleRewardManager.ts
rename to contracts/scripts/deployExampleRewardManager.ts
index 866c7ec7d0..aaf565a898 100644
--- a/contract-examples/scripts/deployExampleRewardManager.ts
+++ b/contracts/scripts/deployExampleRewardManager.ts
@@ -6,7 +6,7 @@ import { ethers } from "hardhat"
 
 
 const main = async (): Promise<any> => {
-  const Contract: ContractFactory = await ethers.getContractFactory("ExampleRewardDistributor")
+  const Contract: ContractFactory = await ethers.getContractFactory("ExampleRewardManager")
   const contract: Contract = await Contract.deploy()
 
   await contract.deployed()
diff --git a/contract-examples/scripts/deployExampleTxAllowList.ts b/contracts/scripts/deployExampleTxAllowList.ts
similarity index 100%
rename from contract-examples/scripts/deployExampleTxAllowList.ts
rename to contracts/scripts/deployExampleTxAllowList.ts
diff --git a/contract-examples/scripts/deployOrderBook.ts b/contracts/scripts/deployOrderBook.ts
similarity index 100%
rename from contract-examples/scripts/deployOrderBook.ts
rename to contracts/scripts/deployOrderBook.ts
diff --git a/contract-examples/tasks.ts b/contracts/tasks.ts
similarity index 100%
rename from contract-examples/tasks.ts
rename to contracts/tasks.ts
diff --git a/contracts/tsconfig.json b/contracts/tsconfig.json
new file mode 100644
index 0000000000..5646f95ab9
--- /dev/null
+++ b/contracts/tsconfig.json
@@ -0,0 +1,19 @@
+{
+  "compilerOptions": {
+    "outDir": "./dist/",
+    "baseUrl": ".",
+    "module": "commonjs",
+    "target": "es2020",
+    "lib": ["es2016"],
+    "typeRoots": ["./typings/**", "./node_modules/@types"],
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true,
+    "skipLibCheck": true,
+    "resolveJsonModule": true,
+  },
+  "exclude": ["node_modules", "artifacts", "cache"],
+  "typeAcquisition": {
+    "enable": true,
+    "exclude": ["bn.js"]
+  },
+}
diff --git a/core/bench_test.go b/core/bench_test.go
index 71f764c9d6..4f3cc2e97f 100644
--- a/core/bench_test.go
+++ b/core/bench_test.go
@@ -32,6 +32,7 @@ import (
 	"testing"
 
 	"github.com/ava-labs/subnet-evm/consensus/dummy"
+	"github.com/ava-labs/subnet-evm/constants"
 	"github.com/ava-labs/subnet-evm/core/rawdb"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/core/vm"
@@ -45,18 +46,23 @@ import (
 func BenchmarkInsertChain_empty_memdb(b *testing.B) {
 	benchInsertChain(b, false, nil)
 }
+
 func BenchmarkInsertChain_empty_diskdb(b *testing.B) {
 	benchInsertChain(b, true, nil)
 }
+
 func BenchmarkInsertChain_valueTx_memdb(b *testing.B) {
 	benchInsertChain(b, false, genValueTx(0))
 }
+
 func BenchmarkInsertChain_valueTx_diskdb(b *testing.B) {
 	benchInsertChain(b, true, genValueTx(0))
 }
+
 func BenchmarkInsertChain_valueTx_100kB_memdb(b *testing.B) {
 	benchInsertChain(b, false, genValueTx(100*1024))
 }
+
 func BenchmarkInsertChain_valueTx_100kB_diskdb(b *testing.B) {
 	benchInsertChain(b, true, genValueTx(100*1024))
 }
@@ -64,12 +70,15 @@ func BenchmarkInsertChain_valueTx_100kB_diskdb(b *testing.B) {
 func BenchmarkInsertChain_ring200_memdb(b *testing.B) {
 	benchInsertChain(b, false, genTxRing(200))
 }
+
 func BenchmarkInsertChain_ring200_diskdb(b *testing.B) {
 	benchInsertChain(b, true, genTxRing(200))
 }
+
 func BenchmarkInsertChain_ring1000_memdb(b *testing.B) {
 	benchInsertChain(b, false, genTxRing(1000))
 }
+
 func BenchmarkInsertChain_ring1000_diskdb(b *testing.B) {
 	benchInsertChain(b, true, genTxRing(1000))
 }
@@ -88,7 +97,7 @@ func genValueTx(nbytes int) func(int, *BlockGen) {
 	return func(i int, gen *BlockGen) {
 		toaddr := common.Address{}
 		data := make([]byte, nbytes)
-		gas, _ := IntrinsicGas(data, nil, false, false, false)
+		gas, _ := IntrinsicGas(data, nil, false, params.Rules{}) // Disable Istanbul and EIP-2028 for this test
 		tx, _ := types.SignTx(types.NewTransaction(gen.TxNonce(benchRootAddr), toaddr, big.NewInt(1), gas, big.NewInt(225000000000), data), types.HomesteadSigner{}, benchRootKey)
 		gen.AddTx(tx)
 	}
@@ -156,16 +165,15 @@ func benchInsertChain(b *testing.B, disk bool, gen func(int, *BlockGen)) {
 
 	// Generate a chain of b.N blocks using the supplied block
 	// generator function.
-	gspec := Genesis{
+	gspec := &Genesis{
 		Config: params.TestChainConfig,
 		Alloc:  GenesisAlloc{benchRootAddr: {Balance: benchRootFunds}},
 	}
-	genesis := gspec.MustCommit(db)
-	chain, _, _ := GenerateChain(gspec.Config, genesis, dummy.NewFaker(), db, b.N, 10, gen)
+	_, chain, _, _ := GenerateChainWithGenesis(gspec, dummy.NewCoinbaseFaker(), b.N, 10, gen)
 
 	// Time the insertion of the new chain.
 	// State and blocks are stored in the same DB.
-	chainman, _ := NewBlockChain(db, DefaultCacheConfig, gspec.Config, dummy.NewFaker(), vm.Config{}, common.Hash{})
+	chainman, _ := NewBlockChain(db, DefaultCacheConfig, gspec, dummy.NewCoinbaseFaker(), vm.Config{}, common.Hash{}, false)
 	defer chainman.Stop()
 	b.ReportAllocs()
 	b.ResetTimer()
@@ -177,36 +185,47 @@ func benchInsertChain(b *testing.B, disk bool, gen func(int, *BlockGen)) {
 func BenchmarkChainRead_header_10k(b *testing.B) {
 	benchReadChain(b, false, 10000)
 }
+
 func BenchmarkChainRead_full_10k(b *testing.B) {
 	benchReadChain(b, true, 10000)
 }
+
 func BenchmarkChainRead_header_100k(b *testing.B) {
 	benchReadChain(b, false, 100000)
 }
+
 func BenchmarkChainRead_full_100k(b *testing.B) {
 	benchReadChain(b, true, 100000)
 }
+
 func BenchmarkChainRead_header_500k(b *testing.B) {
 	benchReadChain(b, false, 500000)
 }
+
 func BenchmarkChainRead_full_500k(b *testing.B) {
 	benchReadChain(b, true, 500000)
 }
+
 func BenchmarkChainWrite_header_10k(b *testing.B) {
 	benchWriteChain(b, false, 10000)
 }
+
 func BenchmarkChainWrite_full_10k(b *testing.B) {
 	benchWriteChain(b, true, 10000)
 }
+
 func BenchmarkChainWrite_header_100k(b *testing.B) {
 	benchWriteChain(b, false, 100000)
 }
+
 func BenchmarkChainWrite_full_100k(b *testing.B) {
 	benchWriteChain(b, true, 100000)
 }
+
 func BenchmarkChainWrite_header_500k(b *testing.B) {
 	benchWriteChain(b, false, 500000)
 }
+
 func BenchmarkChainWrite_full_500k(b *testing.B) {
 	benchWriteChain(b, true, 500000)
 }
@@ -217,19 +236,24 @@ func makeChainForBench(db ethdb.Database, full bool, count uint64) {
 	var hash common.Hash
 	for n := uint64(0); n < count; n++ {
 		header := &types.Header{
-			Coinbase:    common.Address{},
+			Coinbase:    constants.BlackholeAddr,
 			Number:      big.NewInt(int64(n)),
 			ParentHash:  hash,
 			Difficulty:  big.NewInt(1),
 			UncleHash:   types.EmptyUncleHash,
-			TxHash:      types.EmptyRootHash,
-			ReceiptHash: types.EmptyRootHash,
+			TxHash:      types.EmptyTxsHash,
+			ReceiptHash: types.EmptyReceiptsHash,
 		}
 		hash = header.Hash()
 
 		rawdb.WriteHeader(db, header)
 		rawdb.WriteCanonicalHash(db, hash, n)
 
+		if n == 0 {
+			rawdb.WriteChainConfig(db, hash, params.TestChainConfig)
+		}
+		rawdb.WriteHeadHeaderHash(db, hash)
+
 		if full || n == 0 {
 			block := types.NewBlockWithHeader(header)
 			rawdb.WriteBody(db, hash, n, block.Body())
@@ -268,7 +292,7 @@ func benchReadChain(b *testing.B, full bool, count uint64) {
 		if err != nil {
 			b.Fatalf("error opening database at %v: %v", dir, err)
 		}
-		chain, err := NewBlockChain(db, DefaultCacheConfig, params.TestChainConfig, dummy.NewFaker(), vm.Config{}, common.Hash{})
+		chain, err := NewBlockChain(db, DefaultCacheConfig, nil, dummy.NewFaker(), vm.Config{}, common.Hash{}, false)
 		if err != nil {
 			b.Fatalf("error creating chain: %v", err)
 		}
diff --git a/core/block_validator.go b/core/block_validator.go
index a1a7c37aa7..ac98ebe4d0 100644
--- a/core/block_validator.go
+++ b/core/block_validator.go
@@ -60,20 +60,22 @@ func NewBlockValidator(config *params.ChainConfig, blockchain *BlockChain, engin
 // header's transaction and uncle roots. The headers are assumed to be already
 // validated at this point.
 func (v *BlockValidator) ValidateBody(block *types.Block) error {
-	// Check whether the block's known, and if not, that it's linkable
+	// Check whether the block is already imported.
 	if v.bc.HasBlockAndState(block.Hash(), block.NumberU64()) {
 		return ErrKnownBlock
 	}
-	// Header validity is known at this point, check the uncles and transactions
+
+	// Header validity is known at this point. Here we verify that uncle and transactions
+	// given in the block body match the header.
 	header := block.Header()
 	if err := v.engine.VerifyUncles(v.bc, block); err != nil {
 		return err
 	}
 	if hash := types.CalcUncleHash(block.Uncles()); hash != header.UncleHash {
-		return fmt.Errorf("uncle root hash mismatch: have %x, want %x", hash, header.UncleHash)
+		return fmt.Errorf("uncle root hash mismatch (header value %x, calculated %x)", header.UncleHash, hash)
 	}
 	if hash := types.DeriveSha(block.Transactions(), trie.NewStackTrie(nil)); hash != header.TxHash {
-		return fmt.Errorf("transaction root hash mismatch: have %x, want %x", hash, header.TxHash)
+		return fmt.Errorf("transaction root hash mismatch (header value %x, calculated %x)", header.TxHash, hash)
 	}
 	if !v.bc.HasBlockAndState(block.ParentHash(), block.NumberU64()-1) {
 		if !v.bc.HasBlock(block.ParentHash(), block.NumberU64()-1) {
diff --git a/core/blockchain.go b/core/blockchain.go
index a259652a5e..8278a67b44 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -34,6 +34,7 @@ import (
 	"io"
 	"math/big"
 	"runtime"
+	"strings"
 	"sync"
 	"sync/atomic"
 	"time"
@@ -46,13 +47,14 @@ import (
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/core/vm"
 	"github.com/ava-labs/subnet-evm/ethdb"
+	"github.com/ava-labs/subnet-evm/internal/version"
 	"github.com/ava-labs/subnet-evm/metrics"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ava-labs/subnet-evm/trie"
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/lru"
 	"github.com/ethereum/go-ethereum/event"
 	"github.com/ethereum/go-ethereum/log"
-	lru "github.com/hashicorp/golang-lru"
 )
 
 var (
@@ -67,7 +69,8 @@ var (
 	snapshotAccountReadTimer = metrics.NewRegisteredCounter("chain/snapshot/account/reads", nil)
 	snapshotStorageReadTimer = metrics.NewRegisteredCounter("chain/snapshot/storage/reads", nil)
 	snapshotCommitTimer      = metrics.NewRegisteredCounter("chain/snapshot/commits", nil)
-	triedbCommitTimer        = metrics.NewRegisteredCounter("chain/triedb/commits", nil)
+
+	triedbCommitTimer = metrics.NewRegisteredCounter("chain/triedb/commits", nil)
 
 	blockInsertTimer            = metrics.NewRegisteredCounter("chain/block/inserts", nil)
 	blockInsertCount            = metrics.NewRegisteredCounter("chain/block/inserts/count", nil)
@@ -78,12 +81,14 @@ var (
 	blockStateValidationTimer   = metrics.NewRegisteredCounter("chain/block/validations/state", nil)
 	blockWriteTimer             = metrics.NewRegisteredCounter("chain/block/writes", nil)
 
-	acceptorQueueGauge           = metrics.NewRegisteredGauge("chain/acceptor/queue/size", nil)
-	acceptorWorkTimer            = metrics.NewRegisteredCounter("chain/acceptor/work", nil)
-	acceptorWorkCount            = metrics.NewRegisteredCounter("chain/acceptor/work/count", nil)
-	processedBlockGasUsedCounter = metrics.NewRegisteredCounter("chain/block/gas/used/processed", nil)
-	acceptedBlockGasUsedCounter  = metrics.NewRegisteredCounter("chain/block/gas/used/accepted", nil)
-	badBlockCounter              = metrics.NewRegisteredCounter("chain/block/bad/count", nil)
+	acceptorQueueGauge            = metrics.NewRegisteredGauge("chain/acceptor/queue/size", nil)
+	acceptorWorkTimer             = metrics.NewRegisteredCounter("chain/acceptor/work", nil)
+	acceptorWorkCount             = metrics.NewRegisteredCounter("chain/acceptor/work/count", nil)
+	lastAcceptedBlockBaseFeeGauge = metrics.NewRegisteredGauge("chain/block/fee/basefee", nil)
+	blockTotalFeesGauge           = metrics.NewRegisteredGauge("chain/block/fee/total", nil)
+	processedBlockGasUsedCounter  = metrics.NewRegisteredCounter("chain/block/gas/used/processed", nil)
+	acceptedBlockGasUsedCounter   = metrics.NewRegisteredCounter("chain/block/gas/used/accepted", nil)
+	badBlockCounter               = metrics.NewRegisteredCounter("chain/block/bad/count", nil)
 
 	txUnindexTimer      = metrics.NewRegisteredCounter("chain/txs/unindex", nil)
 	acceptedTxsCounter  = metrics.NewRegisteredCounter("chain/txs/accepted", nil)
@@ -155,7 +160,7 @@ type cacheableCoinbaseConfig struct {
 	allowFeeRecipients bool
 }
 
-// CacheConfig contains the configuration values for the trie caching/pruning
+// CacheConfig contains the configuration values for the trie database
 // that's resident in a blockchain.
 type CacheConfig struct {
 	TrieCleanLimit                  int           // Memory allowance (MB) to use for caching trie nodes in memory
@@ -171,12 +176,13 @@ type CacheConfig struct {
 	AllowMissingTries               bool          // Whether to allow an archive node to run with pruning enabled
 	SnapshotDelayInit               bool          // Whether to initialize snapshots on startup or wait for external call
 	SnapshotLimit                   int           // Memory allowance (MB) to use for caching snapshot entries in memory
-	SnapshotAsync                   bool          // Generate snapshot tree async
 	SnapshotVerify                  bool          // Verify generated snapshots
-	SkipSnapshotRebuild             bool          // Whether to skip rebuilding the snapshot in favor of returning an error (only set to true for tests)
 	Preimages                       bool          // Whether to store preimage of trie key to the disk
 	AcceptedCacheSize               int           // Depth of accepted headers cache and accepted logs cache at the accepted tip
 	TxLookupLimit                   uint64        // Number of recent blocks for which to maintain transaction lookup indices
+
+	SnapshotNoBuild bool // Whether the background generation is allowed
+	SnapshotWait    bool // Wait for snapshot construction on startup. TODO(karalabe): This is a dirty hack for testing, nuke it
 }
 
 var DefaultCacheConfig = &CacheConfig{
@@ -208,9 +214,11 @@ type BlockChain struct {
 	chainConfig *params.ChainConfig // Chain & network configuration
 	cacheConfig *CacheConfig        // Cache configuration for pruning
 
-	db ethdb.Database // Low level persistent database to store final content in
-
-	snaps *snapshot.Tree // Snapshot tree for fast trie leaf access
+	db           ethdb.Database // Low level persistent database to store final content in
+	snaps        *snapshot.Tree // Snapshot tree for fast trie leaf access
+	triedb       *trie.Database // The database handler for maintaining trie nodes.
+	stateCache   state.Database // State database to reuse between imports (contains state cache)
+	stateManager TrieWriter
 
 	hc                *HeaderChain
 	rmLogsFeed        event.Feed
@@ -230,16 +238,15 @@ type BlockChain struct {
 	// Readers don't need to take it, they can just read the database.
 	chainmu sync.RWMutex
 
-	currentBlock atomic.Value // Current head of the block chain
+	currentBlock atomic.Pointer[types.Header] // Current head of the block chain
 
-	stateCache          state.Database // State database to reuse between imports (contains state cache)
-	stateManager        TrieWriter
-	bodyCache           *lru.Cache // Cache for the most recent block bodies
-	receiptsCache       *lru.Cache // Cache for the most recent receipts per block
-	blockCache          *lru.Cache // Cache for the most recent entire blocks
-	txLookupCache       *lru.Cache // Cache for the most recent transaction lookup data.
-	feeConfigCache      *lru.Cache // Cache for the most recent feeConfig lookup data.
-	coinbaseConfigCache *lru.Cache // Cache for the most recent coinbaseConfig lookup data.
+	bodyCache           *lru.Cache[common.Hash, *types.Body]                // Cache for the most recent block bodies
+	receiptsCache       *lru.Cache[common.Hash, []*types.Receipt]           // Cache for the most recent receipts per block
+	blockCache          *lru.Cache[common.Hash, *types.Block]               // Cache for the most recent entire blocks
+	txLookupCache       *lru.Cache[common.Hash, *rawdb.LegacyTxLookupEntry] // Cache for the most recent transaction lookup data.
+	badBlocks           *lru.Cache[common.Hash, *badBlock]                  // Cache for bad blocks
+	feeConfigCache      *lru.Cache[common.Hash, *cacheableFeeConfig]        // Cache for the most recent feeConfig lookup data.
+	coinbaseConfigCache *lru.Cache[common.Hash, *cacheableCoinbaseConfig]   // Cache for the most recent coinbaseConfig lookup data.
 
 	running int32 // 0 if chain is running, 1 when stopped
 
@@ -249,8 +256,6 @@ type BlockChain struct {
 	processor  Processor  // Block transaction processor interface
 	vmConfig   vm.Config
 
-	badBlocks *lru.Cache // Bad block cache
-
 	lastAccepted *types.Block // Prevents reorgs past this height
 
 	senderCacher *TxSenderCacher
@@ -300,49 +305,61 @@ type BlockChain struct {
 // available in the database. It initialises the default Ethereum Validator and
 // Processor.
 func NewBlockChain(
-	db ethdb.Database, cacheConfig *CacheConfig, chainConfig *params.ChainConfig, engine consensus.Engine,
-	vmConfig vm.Config, lastAcceptedHash common.Hash,
+	db ethdb.Database, cacheConfig *CacheConfig, genesis *Genesis, engine consensus.Engine,
+	vmConfig vm.Config, lastAcceptedHash common.Hash, skipChainConfigCheckCompatible bool,
 ) (*BlockChain, error) {
 	if cacheConfig == nil {
 		return nil, errCacheConfigNotSpecified
 	}
-	bodyCache, _ := lru.New(bodyCacheLimit)
-	receiptsCache, _ := lru.New(receiptsCacheLimit)
-	blockCache, _ := lru.New(blockCacheLimit)
-	txLookupCache, _ := lru.New(txLookupCacheLimit)
-	feeConfigCache, _ := lru.New(feeConfigCacheLimit)
-	coinbaseConfigCache, _ := lru.New(coinbaseConfigCacheLimit)
-	badBlocks, _ := lru.New(badBlockLimit)
+	// Open trie database with provided config
+	triedb := trie.NewDatabaseWithConfig(db, &trie.Config{
+		Cache:       cacheConfig.TrieCleanLimit,
+		Journal:     cacheConfig.TrieCleanJournal,
+		Preimages:   cacheConfig.Preimages,
+		StatsPrefix: trieCleanCacheStatsNamespace,
+	})
+	// Setup the genesis block, commit the provided genesis specification
+	// to database if the genesis block is not present yet, or load the
+	// stored one from database.
+	// Note: In go-ethereum, the code rewinds the chain on an incompatible config upgrade.
+	// We don't do this and expect the node operator to always update their node's configuration
+	// before network upgrades take effect.
+	chainConfig, _, err := SetupGenesisBlock(db, triedb, genesis, lastAcceptedHash, skipChainConfigCheckCompatible)
+	if err != nil {
+		return nil, err
+	}
+	log.Info("")
+	log.Info(strings.Repeat("-", 153))
+	for _, line := range strings.Split(chainConfig.Description(), "\n") {
+		log.Info(line)
+	}
+	log.Info(strings.Repeat("-", 153))
+	log.Info("")
 
 	bc := &BlockChain{
-		chainConfig: chainConfig,
-		cacheConfig: cacheConfig,
-		db:          db,
-		stateCache: state.NewDatabaseWithConfig(db, &trie.Config{
-			Cache:       cacheConfig.TrieCleanLimit,
-			Journal:     cacheConfig.TrieCleanJournal,
-			Preimages:   cacheConfig.Preimages,
-			StatsPrefix: trieCleanCacheStatsNamespace,
-		}),
-		bodyCache:           bodyCache,
-		receiptsCache:       receiptsCache,
-		blockCache:          blockCache,
-		txLookupCache:       txLookupCache,
-		feeConfigCache:      feeConfigCache,
-		coinbaseConfigCache: coinbaseConfigCache,
+		chainConfig:         chainConfig,
+		cacheConfig:         cacheConfig,
+		db:                  db,
+		triedb:              triedb,
+		bodyCache:           lru.NewCache[common.Hash, *types.Body](bodyCacheLimit),
+		receiptsCache:       lru.NewCache[common.Hash, []*types.Receipt](receiptsCacheLimit),
+		blockCache:          lru.NewCache[common.Hash, *types.Block](blockCacheLimit),
+		txLookupCache:       lru.NewCache[common.Hash, *rawdb.LegacyTxLookupEntry](txLookupCacheLimit),
+		badBlocks:           lru.NewCache[common.Hash, *badBlock](badBlockLimit),
+		feeConfigCache:      lru.NewCache[common.Hash, *cacheableFeeConfig](feeConfigCacheLimit),
+		coinbaseConfigCache: lru.NewCache[common.Hash, *cacheableCoinbaseConfig](coinbaseConfigCacheLimit),
 		engine:              engine,
 		vmConfig:            vmConfig,
-		badBlocks:           badBlocks,
-		senderCacher:        newTxSenderCacher(runtime.NumCPU()),
+		senderCacher:        NewTxSenderCacher(runtime.NumCPU()),
 		acceptorQueue:       make(chan *types.Block, cacheConfig.AcceptorQueueLimit),
 		quit:                make(chan struct{}),
 		acceptedLogsCache:   NewFIFOCache[common.Hash, [][]*types.Log](cacheConfig.AcceptedCacheSize),
 	}
+	bc.stateCache = state.NewDatabaseWithNodeDB(bc.db, bc.triedb)
 	bc.validator = NewBlockValidator(chainConfig, bc, engine)
 	bc.prefetcher = newStatePrefetcher(chainConfig, bc, engine)
 	bc.processor = NewStateProcessor(chainConfig, bc, engine)
 
-	var err error
 	bc.hc, err = NewHeaderChain(db, chainConfig, cacheConfig, engine)
 	if err != nil {
 		return nil, err
@@ -352,18 +369,10 @@ func NewBlockChain(
 		return nil, ErrNoGenesis
 	}
 
-	var nilBlock *types.Block
-	bc.currentBlock.Store(nilBlock)
+	bc.currentBlock.Store(nil)
 
 	// Create the state manager
-	bc.stateManager = NewTrieWriter(bc.stateCache.TrieDB(), cacheConfig)
-
-	// loadLastState writes indices, so we should start the tx indexer after that.
-	// Start tx indexer/unindexer here.
-	if bc.cacheConfig.TxLookupLimit != 0 {
-		bc.wg.Add(1)
-		go bc.dispatchTxUnindexer()
-	}
+	bc.stateManager = NewTrieWriter(bc.triedb, cacheConfig)
 
 	// Re-generate current block state if it is missing
 	if err := bc.loadLastState(lastAcceptedHash); err != nil {
@@ -379,8 +388,8 @@ func NewBlockChain(
 
 	// Make sure the state associated with the block is available
 	head := bc.CurrentBlock()
-	if !bc.HasState(head.Root()) {
-		return nil, fmt.Errorf("head state missing %d:%s", head.Number(), head.Hash())
+	if !bc.HasState(head.Root) {
+		return nil, fmt.Errorf("head state missing %d:%s", head.Number, head.Hash())
 	}
 
 	if err := bc.protectTrieIndex(); err != nil {
@@ -411,17 +420,36 @@ func NewBlockChain(
 	if bc.cacheConfig.TrieCleanRejournal > 0 && len(bc.cacheConfig.TrieCleanJournal) > 0 {
 		log.Info("Starting to save trie clean cache periodically", "journalDir", bc.cacheConfig.TrieCleanJournal, "freq", bc.cacheConfig.TrieCleanRejournal)
 
-		triedb := bc.stateCache.TrieDB()
 		bc.wg.Add(1)
 		go func() {
 			defer bc.wg.Done()
-			triedb.SaveCachePeriodically(bc.cacheConfig.TrieCleanJournal, bc.cacheConfig.TrieCleanRejournal, bc.quit)
+			bc.triedb.SaveCachePeriodically(bc.cacheConfig.TrieCleanJournal, bc.cacheConfig.TrieCleanRejournal, bc.quit)
 		}()
 	}
 
+	// Start tx indexer/unindexer if required.
+	if bc.cacheConfig.TxLookupLimit != 0 {
+		bc.wg.Add(1)
+		go bc.dispatchTxUnindexer()
+	}
 	return bc, nil
 }
 
+// unindexBlocks unindexes transactions depending on user configuration
+func (bc *BlockChain) unindexBlocks(tail uint64, head uint64, done chan struct{}) {
+	start := time.Now()
+	txLookupLimit := bc.cacheConfig.TxLookupLimit
+	defer func() {
+		txUnindexTimer.Inc(time.Since(start).Milliseconds())
+		close(done)
+	}()
+
+	if head-txLookupLimit+1 >= tail {
+		// Unindex a part of stale indices and forward index tail to HEAD-limit
+		rawdb.UnindexTransactions(bc.db, tail, head-txLookupLimit+1, bc.quit)
+	}
+}
+
 // dispatchTxUnindexer is responsible for the deletion of the
 // transaction index.
 // Invariant: If TxLookupLimit is 0, it means all tx indices will be preserved.
@@ -436,20 +464,6 @@ func (bc *BlockChain) dispatchTxUnindexer() {
 		rawdb.WriteTxIndexTail(bc.db, 0)
 	}
 
-	// unindexes transactions depending on user configuration
-	unindexBlocks := func(tail uint64, head uint64, done chan struct{}) {
-		start := time.Now()
-		defer func() {
-			txUnindexTimer.Inc(time.Since(start).Milliseconds())
-			done <- struct{}{}
-		}()
-
-		// Update the transaction index to the new chain state
-		if head-txLookupLimit+1 >= tail {
-			// Unindex a part of stale indices and forward index tail to HEAD-limit
-			rawdb.UnindexTransactions(bc.db, tail, head-txLookupLimit+1, bc.quit)
-		}
-	}
 	// Any reindexing done, start listening to chain events and moving the index window
 	var (
 		done   chan struct{}              // Non-nil if background unindexing or reindexing routine is active.
@@ -474,7 +488,7 @@ func (bc *BlockChain) dispatchTxUnindexer() {
 				done = make(chan struct{})
 				// Note: tail will not be nil since it is initialized in this function.
 				tail := rawdb.ReadTxIndexTail(bc.db)
-				go unindexBlocks(*tail, headNum, done)
+				go bc.unindexBlocks(*tail, headNum, done)
 			}
 		case <-done:
 			done = nil
@@ -555,14 +569,16 @@ func (bc *BlockChain) warmAcceptedCaches() {
 		startIndex = lastAccepted - cacheDiff
 	}
 	for i := startIndex; i <= lastAccepted; i++ {
-		header := bc.GetHeaderByNumber(i)
-		if header == nil {
+		block := bc.GetBlockByNumber(i)
+		if block == nil {
 			// This could happen if a node state-synced
 			log.Info("Exiting accepted cache warming early because header is nil", "height", i, "t", time.Since(startTime))
 			break
 		}
-		bc.hc.acceptedNumberCache.Put(header.Number.Uint64(), header)
-		bc.acceptedLogsCache.Put(header.Hash(), rawdb.ReadLogs(bc.db, header.Hash(), header.Number.Uint64()))
+		// TODO: handle blocks written to disk during state sync
+		bc.hc.acceptedNumberCache.Put(block.NumberU64(), block.Header())
+		logs := bc.collectUnflattenedLogs(block, false)
+		bc.acceptedLogsCache.Put(block.Hash(), logs)
 	}
 	log.Info("Warmed accepted caches", "start", startIndex, "end", lastAccepted, "t", time.Since(startTime))
 }
@@ -589,7 +605,7 @@ func (bc *BlockChain) startAcceptor() {
 
 		// Ensure [hc.acceptedNumberCache] and [acceptedLogsCache] have latest content
 		bc.hc.acceptedNumberCache.Put(next.NumberU64(), next.Header())
-		logs := rawdb.ReadLogs(bc.db, next.Hash(), next.NumberU64())
+		logs := bc.collectUnflattenedLogs(next, false)
 		bc.acceptedLogsCache.Put(next.Hash(), logs)
 
 		// Update accepted feeds
@@ -697,15 +713,15 @@ func (bc *BlockChain) loadLastState(lastAcceptedHash common.Hash) error {
 		return errors.New("could not read head block hash")
 	}
 	// Make sure the entire head block is available
-	currentBlock := bc.GetBlockByHash(head)
-	if currentBlock == nil {
+	headBlock := bc.GetBlockByHash(head)
+	if headBlock == nil {
 		return fmt.Errorf("could not load head block %s", head.Hex())
 	}
 	// Everything seems to be fine, set as the head block
-	bc.currentBlock.Store(currentBlock)
+	bc.currentBlock.Store(headBlock.Header())
 
 	// Restore the last known head header
-	currentHeader := currentBlock.Header()
+	currentHeader := headBlock.Header()
 	if head := rawdb.ReadHeadHeaderHash(bc.db); head != (common.Hash{}) {
 		if header := bc.GetHeaderByHash(head); header != nil {
 			currentHeader = header
@@ -714,7 +730,7 @@ func (bc *BlockChain) loadLastState(lastAcceptedHash common.Hash) error {
 	bc.hc.SetCurrentHeader(currentHeader)
 
 	log.Info("Loaded most recent local header", "number", currentHeader.Number, "hash", currentHeader.Hash(), "age", common.PrettyAge(time.Unix(int64(currentHeader.Time), 0)))
-	log.Info("Loaded most recent local full block", "number", currentBlock.Number(), "hash", currentBlock.Hash(), "age", common.PrettyAge(time.Unix(int64(currentBlock.Time()), 0)))
+	log.Info("Loaded most recent local full block", "number", headBlock.Number(), "hash", headBlock.Hash(), "age", common.PrettyAge(time.Unix(int64(headBlock.Time()), 0)))
 
 	// Otherwise, set the last accepted block and perform a re-org.
 	bc.lastAccepted = bc.GetBlockByHash(lastAcceptedHash)
@@ -744,7 +760,7 @@ func (bc *BlockChain) loadGenesisState() error {
 
 	// Last update all in-memory chain markers
 	bc.lastAccepted = bc.genesisBlock
-	bc.currentBlock.Store(bc.genesisBlock)
+	bc.currentBlock.Store(bc.genesisBlock.Header())
 	bc.hc.SetGenesis(bc.genesisBlock.Header())
 	bc.hc.SetCurrentHeader(bc.genesisBlock.Header())
 	return nil
@@ -752,7 +768,7 @@ func (bc *BlockChain) loadGenesisState() error {
 
 // Export writes the active chain to the given writer.
 func (bc *BlockChain) Export(w io.Writer) error {
-	return bc.ExportN(w, uint64(0), bc.CurrentBlock().NumberU64())
+	return bc.ExportN(w, uint64(0), bc.CurrentBlock().Number.Uint64())
 }
 
 // ExportN writes a subset of the active chain to the given writer.
@@ -814,7 +830,7 @@ func (bc *BlockChain) writeHeadBlock(block *types.Block) {
 	}
 	// Update all in-memory chain markers in the last step
 	bc.hc.SetCurrentHeader(block.Header())
-	bc.currentBlock.Store(block)
+	bc.currentBlock.Store(block.Header())
 }
 
 // ValidateCanonicalChain confirms a canonical chain is well-formed.
@@ -824,19 +840,19 @@ func (bc *BlockChain) ValidateCanonicalChain() error {
 
 	current := bc.CurrentBlock()
 	i := 0
-	log.Info("Beginning to validate canonical chain", "startBlock", current.NumberU64())
+	log.Info("Beginning to validate canonical chain", "startBlock", current.Number)
 
 	for current.Hash() != bc.genesisBlock.Hash() {
 		blkByHash := bc.GetBlockByHash(current.Hash())
 		if blkByHash == nil {
-			return fmt.Errorf("couldn't find block by hash %s at height %d", current.Hash().String(), current.Number())
+			return fmt.Errorf("couldn't find block by hash %s at height %d", current.Hash().String(), current.Number)
 		}
 		if blkByHash.Hash() != current.Hash() {
 			return fmt.Errorf("blockByHash returned a block with an unexpected hash: %s, expected: %s", blkByHash.Hash().String(), current.Hash().String())
 		}
-		blkByNumber := bc.GetBlockByNumber(current.Number().Uint64())
+		blkByNumber := bc.GetBlockByNumber(current.Number.Uint64())
 		if blkByNumber == nil {
-			return fmt.Errorf("couldn't find block by number at height %d", current.Number())
+			return fmt.Errorf("couldn't find block by number at height %d", current.Number)
 		}
 		if blkByNumber.Hash() != current.Hash() {
 			return fmt.Errorf("blockByNumber returned a block with unexpected hash: %s, expected: %s", blkByNumber.Hash().String(), current.Hash().String())
@@ -844,26 +860,32 @@ func (bc *BlockChain) ValidateCanonicalChain() error {
 
 		hdrByHash := bc.GetHeaderByHash(current.Hash())
 		if hdrByHash == nil {
-			return fmt.Errorf("couldn't find block header by hash %s at height %d", current.Hash().String(), current.Number())
+			return fmt.Errorf("couldn't find block header by hash %s at height %d", current.Hash().String(), current.Number)
 		}
 		if hdrByHash.Hash() != current.Hash() {
 			return fmt.Errorf("hdrByHash returned a block header with an unexpected hash: %s, expected: %s", hdrByHash.Hash().String(), current.Hash().String())
 		}
-		hdrByNumber := bc.GetHeaderByNumber(current.Number().Uint64())
+		hdrByNumber := bc.GetHeaderByNumber(current.Number.Uint64())
 		if hdrByNumber == nil {
-			return fmt.Errorf("couldn't find block header by number at height %d", current.Number())
+			return fmt.Errorf("couldn't find block header by number at height %d", current.Number)
 		}
 		if hdrByNumber.Hash() != current.Hash() {
 			return fmt.Errorf("hdrByNumber returned a block header with unexpected hash: %s, expected: %s", hdrByNumber.Hash().String(), current.Hash().String())
 		}
 
-		txs := current.Body().Transactions
+		// Lookup the full block to get the transactions
+		block := bc.GetBlock(current.Hash(), current.Number.Uint64())
+		if block == nil {
+			log.Error("Current block not found in database", "block", current.Number, "hash", current.Hash())
+			return fmt.Errorf("current block missing: #%d [%x..]", current.Number, current.Hash().Bytes()[:4])
+		}
+		txs := block.Transactions()
 
 		// Transactions are only indexed beneath the last accepted block, so we only check
 		// that the transactions have been indexed, if we are checking below the last accepted
 		// block.
-		shouldIndexTxs := bc.cacheConfig.TxLookupLimit == 0 || bc.lastAccepted.NumberU64() < current.NumberU64()+bc.cacheConfig.TxLookupLimit
-		if current.NumberU64() <= bc.lastAccepted.NumberU64() && shouldIndexTxs {
+		shouldIndexTxs := bc.cacheConfig.TxLookupLimit == 0 || bc.lastAccepted.NumberU64() < current.Number.Uint64()+bc.cacheConfig.TxLookupLimit
+		if current.Number.Uint64() <= bc.lastAccepted.NumberU64() && shouldIndexTxs {
 			// Ensure that all of the transactions have been stored correctly in the canonical
 			// chain
 			for txIndex, tx := range txs {
@@ -874,8 +896,8 @@ func (bc *BlockChain) ValidateCanonicalChain() error {
 				if txLookup.BlockHash != current.Hash() {
 					return fmt.Errorf("tx lookup returned with incorrect block hash: %s, expected: %s", txLookup.BlockHash.String(), current.Hash().String())
 				}
-				if txLookup.BlockIndex != current.Number().Uint64() {
-					return fmt.Errorf("tx lookup returned with incorrect block index: %d, expected: %d", txLookup.BlockIndex, current.Number().Uint64())
+				if txLookup.BlockIndex != current.Number.Uint64() {
+					return fmt.Errorf("tx lookup returned with incorrect block index: %d, expected: %d", txLookup.BlockIndex, current.Number)
 				}
 				if txLookup.Index != uint64(txIndex) {
 					return fmt.Errorf("tx lookup returned with incorrect transaction index: %d, expected: %d", txLookup.Index, txIndex)
@@ -894,8 +916,8 @@ func (bc *BlockChain) ValidateCanonicalChain() error {
 			if txReceipt.BlockHash != current.Hash() {
 				return fmt.Errorf("transaction receipt had block hash %s, but expected %s", txReceipt.BlockHash.String(), current.Hash().String())
 			}
-			if txReceipt.BlockNumber.Uint64() != current.NumberU64() {
-				return fmt.Errorf("transaction receipt had block number %d, but expected %d", txReceipt.BlockNumber.Uint64(), current.NumberU64())
+			if txReceipt.BlockNumber.Uint64() != current.Number.Uint64() {
+				return fmt.Errorf("transaction receipt had block number %d, but expected %d", txReceipt.BlockNumber.Uint64(), current.Number)
 			}
 		}
 
@@ -904,9 +926,9 @@ func (bc *BlockChain) ValidateCanonicalChain() error {
 			log.Info("Validate Canonical Chain Update", "totalBlocks", i)
 		}
 
-		parent := bc.GetBlockByHash(current.ParentHash())
-		if parent.Hash() != current.ParentHash() {
-			return fmt.Errorf("getBlockByHash retrieved parent block with incorrect hash, found %s, expected: %s", parent.Hash().String(), current.ParentHash().String())
+		parent := bc.GetHeaderByHash(current.ParentHash)
+		if parent.Hash() != current.ParentHash {
+			return fmt.Errorf("getBlockByHash retrieved parent block with incorrect hash, found %s, expected: %s", parent.Hash().String(), current.ParentHash.String())
 		}
 		current = parent
 	}
@@ -914,9 +936,13 @@ func (bc *BlockChain) ValidateCanonicalChain() error {
 	return nil
 }
 
-// Stop stops the blockchain service. If any imports are currently in progress
-// it will abort them using the procInterrupt.
-func (bc *BlockChain) Stop() {
+// stop stops the blockchain service. If any imports are currently in progress
+// it will abort them using the procInterrupt. This method stops all running
+// goroutines, but does not do all the post-stop work of persisting data.
+// OBS! It is generally recommended to use the Stop method!
+// This method has been exposed to allow tests to stop the blockchain while simulating
+// a crash.
+func (bc *BlockChain) stopWithoutSaving() {
 	if !atomic.CompareAndSwapInt32(&bc.running, 0, 1) {
 		return
 	}
@@ -929,17 +955,6 @@ func (bc *BlockChain) Stop() {
 	bc.stopAcceptor()
 	log.Info("Acceptor queue drained", "t", time.Since(start))
 
-	log.Info("Shutting down state manager")
-	start = time.Now()
-	if err := bc.stateManager.Shutdown(); err != nil {
-		log.Error("Failed to Shutdown state manager", "err", err)
-	}
-	log.Info("State manager shut down", "t", time.Since(start))
-	// Flush the collected preimages to disk
-	if err := bc.stateCache.TrieDB().CommitPreimages(); err != nil {
-		log.Error("Failed to commit trie preimages", "err", err)
-	}
-
 	// Stop senderCacher's goroutines
 	log.Info("Shutting down sender cacher")
 	bc.senderCacher.Shutdown()
@@ -951,6 +966,23 @@ func (bc *BlockChain) Stop() {
 	// Waiting for background processes to complete
 	log.Info("Waiting for background processes to complete")
 	bc.wg.Wait()
+}
+
+// Stop stops the blockchain service. If any imports are currently in progress
+// it will abort them using the procInterrupt.
+func (bc *BlockChain) Stop() {
+	bc.stopWithoutSaving()
+
+	log.Info("Shutting down state manager")
+	start := time.Now()
+	if err := bc.stateManager.Shutdown(); err != nil {
+		log.Error("Failed to Shutdown state manager", "err", err)
+	}
+	log.Info("State manager shut down", "t", time.Since(start))
+	// Flush the collected preimages to disk
+	if err := bc.stateCache.TrieDB().CommitPreimages(); err != nil {
+		log.Error("Failed to commit trie preimages", "err", err)
+	}
 
 	log.Info("Blockchain stopped")
 }
@@ -1001,7 +1033,7 @@ func (bc *BlockChain) setPreference(block *types.Block) error {
 	// this can be confirmed in blockchain .reorg, where the loop for collecting rebirth logs is written as:
 	// for i := len(newChain) - 1; i >= 1; i-- {
 	// hence we emit them here
-	logs := bc.collectLogs(block.Hash(), false)
+	logs := bc.collectLogs(block, false)
 	if len(logs) > 0 {
 		bc.hubbleFeed.Send(logs)
 	}
@@ -1063,9 +1095,47 @@ func (bc *BlockChain) Accept(block *types.Block) error {
 	bc.addAcceptorQueue(block)
 	acceptedBlockGasUsedCounter.Inc(int64(block.GasUsed()))
 	acceptedTxsCounter.Inc(int64(len(block.Transactions())))
+	if baseFee := block.BaseFee(); baseFee != nil {
+		lastAcceptedBlockBaseFeeGauge.Update(baseFee.Int64())
+	}
+	total, err := TotalFees(block, bc.GetReceiptsByHash(block.Hash()))
+	if err != nil {
+		log.Error(fmt.Sprintf("TotalFees error: %s", err))
+	} else {
+		blockTotalFeesGauge.Update(total.Int64())
+	}
 	return nil
 }
 
+// TotalFees computes total consumed fees in wei. Block transactions and receipts have to have the same order.
+func TotalFees(block *types.Block, receipts []*types.Receipt) (*big.Int, error) {
+	baseFee := block.BaseFee()
+	feesWei := new(big.Int)
+	if len(block.Transactions()) != len(receipts) {
+		return nil, errors.New("mismatch between total number of transactions and receipts")
+	}
+	for i, tx := range block.Transactions() {
+		var minerFee *big.Int
+		if baseFee == nil {
+			// legacy block, no baseFee
+			minerFee = tx.GasPrice()
+		} else {
+			minerFee = new(big.Int).Add(baseFee, tx.EffectiveGasTipValue(baseFee))
+		}
+		feesWei.Add(feesWei, new(big.Int).Mul(new(big.Int).SetUint64(receipts[i].GasUsed), minerFee))
+	}
+	return feesWei, nil
+}
+
+// TotalFees computes total consumed fees in ether. Block transactions and receipts have to have the same order.
+func TotalFeesFloat(block *types.Block, receipts []*types.Receipt) (*big.Float, error) {
+	total, err := TotalFees(block, receipts)
+	if err != nil {
+		return nil, err
+	}
+	return new(big.Float).Quo(new(big.Float).SetInt(total), new(big.Float).SetInt(big.NewInt(params.Ether))), nil
+}
+
 func (bc *BlockChain) Reject(block *types.Block) error {
 	bc.chainmu.Lock()
 	defer bc.chainmu.Unlock()
@@ -1245,26 +1315,9 @@ func (bc *BlockChain) InsertBlockManual(block *types.Block, writes bool) error {
 	return err
 }
 
-// gatherBlockLogs fetches logs from a previously inserted block.
-func (bc *BlockChain) gatherBlockLogs(hash common.Hash, number uint64, removed bool) []*types.Log {
-	receipts := rawdb.ReadReceipts(bc.db, hash, number, bc.chainConfig)
-	var logs []*types.Log
-	for _, receipt := range receipts {
-		for _, log := range receipt.Logs {
-			l := *log
-			if removed {
-				l.Removed = true
-			}
-			logs = append(logs, &l)
-		}
-	}
-
-	return logs
-}
-
 func (bc *BlockChain) insertBlock(block *types.Block, writes bool) error {
 	start := time.Now()
-	bc.senderCacher.Recover(types.MakeSigner(bc.chainConfig, block.Number(), new(big.Int).SetUint64(block.Time())), block.Transactions())
+	bc.senderCacher.Recover(types.MakeSigner(bc.chainConfig, block.Number(), block.Time()), block.Transactions())
 
 	substart := time.Now()
 	err := bc.engine.VerifyHeader(bc, block.Header())
@@ -1367,9 +1420,9 @@ func (bc *BlockChain) insertBlock(block *types.Block, writes bool) error {
 	storageUpdateTimer.Inc(statedb.StorageUpdates.Milliseconds()) // Storage updates are complete, we can mark them
 	accountHashTimer.Inc(statedb.AccountHashes.Milliseconds())    // Account hashes are complete, we can mark them
 	storageHashTimer.Inc(statedb.StorageHashes.Milliseconds())    // Storage hashes are complete, we can mark them
-	validationTrieProcTime := statedb.AccountHashes + statedb.StorageHashes + statedb.AccountUpdates + statedb.StorageUpdates - trieproc
-	blockStateValidationTimer.Inc((time.Since(substart) - validationTrieProcTime).Milliseconds())
-	blockTrieOpsTimer.Inc((trieproc + validationTrieProcTime).Milliseconds())
+	additionalTrieProc := statedb.AccountHashes + statedb.StorageHashes + statedb.AccountUpdates + statedb.StorageUpdates - trieproc
+	blockStateValidationTimer.Inc((time.Since(substart) - additionalTrieProc).Milliseconds())
+	blockTrieOpsTimer.Inc((trieproc + additionalTrieProc).Milliseconds())
 
 	// If [writes] are disabled, skip [writeBlockWithState] so that we do not write the block
 	// or the state trie to disk.
@@ -1408,57 +1461,56 @@ func (bc *BlockChain) insertBlock(block *types.Block, writes bool) error {
 	return nil
 }
 
-// collectLogs collects the logs that were generated or removed during
-// the processing of the block that corresponds with the given hash.
-// These logs are later announced as deleted or reborn.
-func (bc *BlockChain) collectLogs(hash common.Hash, removed bool) []*types.Log {
-	number := bc.hc.GetBlockNumber(hash)
-	if number == nil {
-		return nil
+// collectUnflattenedLogs collects the logs that were generated or removed during
+// the processing of a block.
+func (bc *BlockChain) collectUnflattenedLogs(b *types.Block, removed bool) [][]*types.Log {
+	receipts := rawdb.ReadRawReceipts(bc.db, b.Hash(), b.NumberU64())
+	receipts.DeriveFields(bc.chainConfig, b.Hash(), b.NumberU64(), b.Time(), b.BaseFee(), b.Transactions())
+
+	// Note: gross but this needs to be initialized here because returning nil will be treated specially as an incorrect
+	// error case downstream.
+	logs := make([][]*types.Log, len(receipts))
+	for i, receipt := range receipts {
+		receiptLogs := make([]*types.Log, len(receipt.Logs))
+		for i, log := range receipt.Logs {
+			l := *log
+			if removed {
+				l.Removed = true
+			}
+			receiptLogs[i] = &l
+		}
+		logs[i] = receiptLogs
 	}
-	return bc.gatherBlockLogs(hash, *number, removed)
+	return logs
 }
 
-// mergeLogs returns a merged log slice with specified sort order.
-func mergeLogs(logs [][]*types.Log, reverse bool) []*types.Log {
-	var ret []*types.Log
-	if reverse {
-		for i := len(logs) - 1; i >= 0; i-- {
-			ret = append(ret, logs[i]...)
-		}
-	} else {
-		for i := 0; i < len(logs); i++ {
-			ret = append(ret, logs[i]...)
-		}
-	}
-	return ret
+// collectLogs collects the logs that were generated or removed during
+// the processing of a block. These logs are later announced as deleted or reborn.
+func (bc *BlockChain) collectLogs(b *types.Block, removed bool) []*types.Log {
+	unflattenedLogs := bc.collectUnflattenedLogs(b, removed)
+	return types.FlattenLogs(unflattenedLogs)
 }
 
 // reorg takes two blocks, an old chain and a new chain and will reconstruct the
 // blocks and inserts them to be part of the new canonical chain and accumulates
 // potential missing transactions and post an event about them.
-func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
+func (bc *BlockChain) reorg(oldHead *types.Header, newHead *types.Block) error {
 	var (
-		newHead = newBlock
-		oldHead = oldBlock
-
 		newChain    types.Blocks
 		oldChain    types.Blocks
 		commonBlock *types.Block
-
-		deletedLogs [][]*types.Log
-		rebirthLogs [][]*types.Log
 	)
+	oldBlock := bc.GetBlock(oldHead.Hash(), oldHead.Number.Uint64())
+	if oldBlock == nil {
+		return errors.New("current head block missing")
+	}
+	newBlock := newHead
+
 	// Reduce the longer chain to the same number as the shorter one
 	if oldBlock.NumberU64() > newBlock.NumberU64() {
 		// Old chain is longer, gather all transactions and logs as deleted ones
 		for ; oldBlock != nil && oldBlock.NumberU64() != newBlock.NumberU64(); oldBlock = bc.GetBlock(oldBlock.ParentHash(), oldBlock.NumberU64()-1) {
 			oldChain = append(oldChain, oldBlock)
-			// Collect deleted logs for notification
-			logs := bc.collectLogs(oldBlock.Hash(), true)
-			if len(logs) > 0 {
-				deletedLogs = append(deletedLogs, logs)
-			}
 		}
 	} else {
 		// New chain is longer, stash all blocks away for subsequent insertion
@@ -1467,10 +1519,10 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
 		}
 	}
 	if oldBlock == nil {
-		return fmt.Errorf("invalid old chain")
+		return errors.New("invalid old chain")
 	}
 	if newBlock == nil {
-		return fmt.Errorf("invalid new chain")
+		return errors.New("invalid new chain")
 	}
 	// Both sides of the reorg are at the same number, reduce both until the common
 	// ancestor is found
@@ -1482,12 +1534,6 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
 		}
 		// Remove an old block as well as stash away a new block
 		oldChain = append(oldChain, oldBlock)
-		// Collect deleted logs for notification
-		logs := bc.collectLogs(oldBlock.Hash(), true)
-		if len(logs) > 0 {
-			deletedLogs = append(deletedLogs, logs)
-		}
-
 		newChain = append(newChain, newBlock)
 
 		// Step back with both chains
@@ -1519,20 +1565,15 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
 		logFn(msg, "number", commonBlock.Number(), "hash", commonBlock.Hash(),
 			"drop", len(oldChain), "dropfrom", oldChain[0].Hash(), "add", len(newChain), "addfrom", newChain[0].Hash())
 	} else {
-		log.Debug("Preference change (rewind to ancestor) occurred", "oldnum", oldHead.Number(), "oldhash", oldHead.Hash(), "newnum", newHead.Number(), "newhash", newHead.Hash())
+		log.Debug("Preference change (rewind to ancestor) occurred", "oldnum", oldHead.Number, "oldhash", oldHead.Hash(), "newnum", newHead.Number(), "newhash", newHead.Hash())
 	}
 	// Insert the new chain(except the head block(reverse order)),
 	// taking care of the proper incremental order.
 	for i := len(newChain) - 1; i >= 1; i-- {
 		// Insert the block in the canonical way, re-writing history
 		bc.writeHeadBlock(newChain[i])
-
-		// Collect reborn logs due to chain reorg
-		logs := bc.collectLogs(newChain[i].Hash(), false)
-		if len(logs) > 0 {
-			rebirthLogs = append(rebirthLogs, logs)
-		}
 	}
+
 	// Delete any canonical number assignments above the new head
 	indexesBatch := bc.db.NewBatch()
 
@@ -1551,23 +1592,46 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
 		log.Crit("Failed to delete useless indexes", "err", err)
 	}
 
-	// If any logs need to be fired, do it now. In theory we could avoid creating
-	// this goroutine if there are no events to fire, but realistcally that only
-	// ever happens if we're reorging empty blocks, which will only happen on idle
-	// networks where performance is not an issue either way.
-	if len(deletedLogs) > 0 {
-		bc.rmLogsFeed.Send(RemovedLogsEvent{mergeLogs(deletedLogs, true)})
-	}
-	if len(rebirthLogs) > 0 {
-		bc.logsFeed.Send(mergeLogs(rebirthLogs, false))
+	// Send out events for logs from the old canon chain, and 'reborn'
+	// logs from the new canon chain. The number of logs can be very
+	// high, so the events are sent in batches of size around 512.
+
+	// Deleted logs + blocks:
+	var deletedLogs []*types.Log
+	for i := len(oldChain) - 1; i >= 0; i-- {
+		// Also send event for blocks removed from the canon chain.
+		bc.chainSideFeed.Send(ChainSideEvent{Block: oldChain[i]})
+
+		// Collect deleted logs for notification
+		if logs := bc.collectLogs(oldChain[i], true); len(logs) > 0 {
+			deletedLogs = append(deletedLogs, logs...)
+		}
+		if len(deletedLogs) > 512 {
+			bc.rmLogsFeed.Send(RemovedLogsEvent{deletedLogs})
+			bc.hubbleFeed.Send(deletedLogs)
+			deletedLogs = nil
+		}
 	}
-	if len(deletedLogs) > 0 || len(rebirthLogs) > 0 {
-		bc.hubbleFeed.Send(append(mergeLogs(deletedLogs, false), mergeLogs(rebirthLogs, false)...))
+	if len(deletedLogs) > 0 {
+		bc.rmLogsFeed.Send(RemovedLogsEvent{deletedLogs})
+		bc.hubbleFeed.Send(deletedLogs)
 	}
-	if len(oldChain) > 0 {
-		for i := len(oldChain) - 1; i >= 0; i-- {
-			bc.chainSideFeed.Send(ChainSideEvent{Block: oldChain[i]})
+
+	// New logs:
+	var rebirthLogs []*types.Log
+	for i := len(newChain) - 1; i >= 1; i-- {
+		if logs := bc.collectLogs(newChain[i], false); len(logs) > 0 {
+			rebirthLogs = append(rebirthLogs, logs...)
 		}
+		if len(rebirthLogs) > 512 {
+			bc.logsFeed.Send(rebirthLogs)
+			bc.hubbleFeed.Send(rebirthLogs)
+			rebirthLogs = nil
+		}
+	}
+	if len(rebirthLogs) > 0 {
+		bc.logsFeed.Send(rebirthLogs)
+		bc.hubbleFeed.Send(rebirthLogs)
 	}
 	return nil
 }
@@ -1588,23 +1652,24 @@ type BadBlockReason struct {
 func (b *BadBlockReason) String() string {
 	var receiptString string
 	for i, receipt := range b.Receipts {
-		receiptString += fmt.Sprintf("\t %d: cumulative: %v gas: %v contract: %v status: %v tx: %v logs: %v bloom: %x state: %x\n",
+		receiptString += fmt.Sprintf("\n  %d: cumulative: %v gas: %v contract: %v status: %v tx: %v logs: %v bloom: %x state: %x",
 			i, receipt.CumulativeGasUsed, receipt.GasUsed, receipt.ContractAddress.Hex(),
 			receipt.Status, receipt.TxHash.Hex(), receipt.Logs, receipt.Bloom, receipt.PostState)
 	}
-	reason := fmt.Sprintf(`
-	########## BAD BLOCK #########
-	Chain config: %v
-
-	Number: %v
-	Hash: %#x
-	%v
-
-	Error: %v
-	##############################
-	`, b.ChainConfig, b.Number, b.Hash, receiptString, b.Error)
-
-	return reason
+	version, vcs := version.Info()
+	platform := fmt.Sprintf("%s %s %s %s", version, runtime.Version(), runtime.GOARCH, runtime.GOOS)
+	if vcs != "" {
+		vcs = fmt.Sprintf("\nVCS: %s", vcs)
+	}
+	return fmt.Sprintf(`
+########## BAD BLOCK #########
+Block: %v (%#x)
+Error: %v
+Platform: %v%v
+Chain config: %#v
+Receipts: %v
+##############################
+`, b.Number, b.Hash, b.Error, platform, vcs, b.ChainConfig, receiptString)
 }
 
 // BadBlocks returns a list of the last 'bad blocks' that the client has seen on the network and the BadBlockReason
@@ -1614,8 +1679,7 @@ func (bc *BlockChain) BadBlocks() ([]*types.Block, []*BadBlockReason) {
 	blocks := make([]*types.Block, 0, bc.badBlocks.Len())
 	reasons := make([]*BadBlockReason, 0, bc.badBlocks.Len())
 	for _, hash := range bc.badBlocks.Keys() {
-		if blk, exist := bc.badBlocks.Peek(hash); exist {
-			badBlk := blk.(*badBlock)
+		if badBlk, exist := bc.badBlocks.Peek(hash); exist {
 			blocks = append(blocks, badBlk.block)
 			reasons = append(reasons, badBlk.reason)
 		}
@@ -1724,7 +1788,7 @@ func (bc *BlockChain) reprocessBlock(parent *types.Block, current *types.Block)
 }
 
 // initSnapshot instantiates a Snapshot instance and adds it to [bc]
-func (bc *BlockChain) initSnapshot(b *types.Block) {
+func (bc *BlockChain) initSnapshot(b *types.Header) {
 	if bc.cacheConfig.SnapshotLimit <= 0 || bc.snaps != nil {
 		return
 	}
@@ -1735,13 +1799,19 @@ func (bc *BlockChain) initSnapshot(b *types.Block) {
 	//
 	// Additionally, we should always repair a snapshot if starting at genesis
 	// if [SnapshotLimit] > 0.
-	async := bc.cacheConfig.SnapshotAsync && b.NumberU64() > 0
-	rebuild := !bc.cacheConfig.SkipSnapshotRebuild || b.NumberU64() == 0
-	log.Info("Initializing snapshots", "async", async, "rebuild", rebuild, "headHash", b.Hash(), "headRoot", b.Root())
+	asyncBuild := !bc.cacheConfig.SnapshotWait && b.Number.Uint64() > 0
+	noBuild := bc.cacheConfig.SnapshotNoBuild && b.Number.Uint64() > 0
+	log.Info("Initializing snapshots", "async", asyncBuild, "rebuild", !noBuild, "headHash", b.Hash(), "headRoot", b.Root)
+	snapconfig := snapshot.Config{
+		CacheSize:  bc.cacheConfig.SnapshotLimit,
+		NoBuild:    noBuild,
+		AsyncBuild: asyncBuild,
+		SkipVerify: !bc.cacheConfig.SnapshotVerify,
+	}
 	var err error
-	bc.snaps, err = snapshot.New(bc.db, bc.stateCache.TrieDB(), bc.cacheConfig.SnapshotLimit, b.Hash(), b.Root(), async, rebuild, bc.cacheConfig.SnapshotVerify)
+	bc.snaps, err = snapshot.New(snapconfig, bc.db, bc.triedb, b.Hash(), b.Root)
 	if err != nil {
-		log.Error("failed to initialize snapshots", "headHash", b.Hash(), "headRoot", b.Root(), "err", err, "async", async)
+		log.Error("failed to initialize snapshots", "headHash", b.Hash(), "headRoot", b.Root, "err", err, "async", asyncBuild)
 	}
 }
 
@@ -1811,7 +1881,7 @@ func (bc *BlockChain) reprocessState(current *types.Block, reexec uint64) error
 		start        = time.Now()
 		logged       time.Time
 		previousRoot common.Hash
-		triedb       = bc.stateCache.TrieDB()
+		triedb       = bc.triedb
 		writeIndices bool
 	)
 	// Note: we add 1 since in each iteration, we attempt to re-execute the next block.
@@ -1841,7 +1911,7 @@ func (bc *BlockChain) reprocessState(current *types.Block, reexec uint64) error
 			// that the node stops mid-way through snapshot flattening (performed across multiple DB batches).
 			// If snapshot initialization is delayed due to state sync, skip initializing snaps here
 			if !bc.cacheConfig.SnapshotDelayInit {
-				bc.initSnapshot(parent)
+				bc.initSnapshot(parent.Header())
 			}
 			writeIndices = true // Set [writeIndices] to true, so that the indices will be updated from the last accepted tip onwards.
 		}
@@ -1876,7 +1946,7 @@ func (bc *BlockChain) reprocessState(current *types.Block, reexec uint64) error
 	nodes, imgs := triedb.Size()
 	log.Info("Historical state regenerated", "block", current.NumberU64(), "elapsed", time.Since(start), "nodes", nodes, "preimages", imgs)
 	if previousRoot != (common.Hash{}) {
-		return triedb.Commit(previousRoot, true, nil)
+		return triedb.Commit(previousRoot, true)
 	}
 	return nil
 }
@@ -1913,7 +1983,7 @@ func (bc *BlockChain) populateMissingTries() error {
 		startHeight  = *bc.cacheConfig.PopulateMissingTries
 		startTime    = time.Now()
 		logged       time.Time
-		triedb       = bc.stateCache.TrieDB()
+		triedb       = bc.triedb
 		missing      = 0
 	)
 
@@ -1959,7 +2029,7 @@ func (bc *BlockChain) populateMissingTries() error {
 		}
 
 		// Commit root to disk so that it can be accessed directly
-		if err := triedb.Commit(root, false, nil); err != nil {
+		if err := triedb.Commit(root, false); err != nil {
 			return err
 		}
 		parent = current
@@ -2077,26 +2147,22 @@ func (bc *BlockChain) ResetToStateSyncedBlock(block *types.Block) error {
 	// Update all in-memory chain markers
 	bc.lastAccepted = block
 	bc.acceptorTip = block
-	bc.currentBlock.Store(block)
+	bc.currentBlock.Store(block.Header())
 	bc.hc.SetCurrentHeader(block.Header())
 
 	lastAcceptedHash := block.Hash()
-	bc.stateCache = state.NewDatabaseWithConfig(bc.db, &trie.Config{
-		Cache:       bc.cacheConfig.TrieCleanLimit,
-		Journal:     bc.cacheConfig.TrieCleanJournal,
-		Preimages:   bc.cacheConfig.Preimages,
-		StatsPrefix: trieCleanCacheStatsNamespace,
-	})
+	bc.stateCache = state.NewDatabaseWithNodeDB(bc.db, bc.triedb)
+
 	if err := bc.loadLastState(lastAcceptedHash); err != nil {
 		return err
 	}
 	// Create the state manager
-	bc.stateManager = NewTrieWriter(bc.stateCache.TrieDB(), bc.cacheConfig)
+	bc.stateManager = NewTrieWriter(bc.triedb, bc.cacheConfig)
 
 	// Make sure the state associated with the block is available
 	head := bc.CurrentBlock()
-	if !bc.HasState(head.Root()) {
-		return fmt.Errorf("head state missing %d:%s", head.Number(), head.Hash())
+	if !bc.HasState(head.Root) {
+		return fmt.Errorf("head state missing %d:%s", head.Number, head.Hash())
 	}
 
 	bc.initSnapshot(head)
diff --git a/core/blockchain_log_test.go b/core/blockchain_log_test.go
new file mode 100644
index 0000000000..d5bfe2a19c
--- /dev/null
+++ b/core/blockchain_log_test.go
@@ -0,0 +1,98 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package core
+
+import (
+	"math/big"
+	"strings"
+	"testing"
+
+	"github.com/ava-labs/subnet-evm/accounts/abi"
+	"github.com/ava-labs/subnet-evm/consensus/dummy"
+	"github.com/ava-labs/subnet-evm/core/rawdb"
+	"github.com/ava-labs/subnet-evm/core/types"
+	"github.com/ava-labs/subnet-evm/core/vm"
+	"github.com/ava-labs/subnet-evm/params"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/stretchr/testify/require"
+)
+
+/*
+Example contract to test event emission:
+
+	pragma solidity >=0.7.0 <0.9.0;
+	contract Callable {
+		event Called();
+		function Call() public { emit Called(); }
+	}
+*/
+const callableAbi = "[{\"anonymous\":false,\"inputs\":[],\"name\":\"Called\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"Call\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]"
+
+const callableBin = "6080604052348015600f57600080fd5b5060998061001e6000396000f3fe6080604052348015600f57600080fd5b506004361060285760003560e01c806334e2292114602d575b600080fd5b60336035565b005b7f81fab7a4a0aa961db47eefc81f143a5220e8c8495260dd65b1356f1d19d3c7b860405160405180910390a156fea2646970667358221220029436d24f3ac598ceca41d4d712e13ced6d70727f4cdc580667de66d2f51d8b64736f6c63430008010033"
+
+func TestEmitLogsCorrectness(t *testing.T) {
+	var (
+		require = require.New(t)
+		engine  = dummy.NewCoinbaseFaker()
+		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
+		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
+		funds   = new(big.Int).Mul(big.NewInt(100), big.NewInt(params.Ether))
+		gspec   = &Genesis{
+			Config:  params.TestChainConfig,
+			Alloc:   GenesisAlloc{addr1: {Balance: funds}},
+			BaseFee: big.NewInt(params.TestInitialBaseFee),
+		}
+		contractAddress = crypto.CreateAddress(addr1, 0)
+		signer          = types.LatestSigner(gspec.Config)
+	)
+
+	parsed, err := abi.JSON(strings.NewReader(callableAbi))
+	require.NoError(err)
+
+	packedFunction, err := parsed.Pack("Call")
+	require.NoError(err)
+
+	_, blocks, _, err := GenerateChainWithGenesis(gspec, engine, 2, 10, func(i int, b *BlockGen) {
+		switch i {
+		case 0:
+			// First, we deploy the contract
+			contractTx := types.NewContractCreation(0, common.Big0, 200000, big.NewInt(params.TestInitialBaseFee), common.FromHex(callableBin))
+			contractSignedTx, err := types.SignTx(contractTx, signer, key1)
+			require.NoError(err)
+			b.AddTx(contractSignedTx)
+		case 1:
+			// In the next block, we call the contract function
+			tx := types.NewTransaction(1, contractAddress, common.Big0, 23000, big.NewInt(params.TestInitialBaseFee), packedFunction)
+			tx, err := types.SignTx(tx, signer, key1)
+			require.NoError(err)
+			b.AddTx(tx)
+		}
+	})
+	require.NoError(err)
+
+	chain, err := NewBlockChain(rawdb.NewMemoryDatabase(), DefaultCacheConfig, gspec, engine, vm.Config{}, common.Hash{}, false)
+	require.NoError(err)
+
+	// Create Log Subscriber
+	logsCh := make(chan []*types.Log, 10)
+	defer close(logsCh)
+
+	sub := chain.SubscribeAcceptedLogsEvent(logsCh)
+	defer sub.Unsubscribe()
+
+	_, err = chain.InsertChain(blocks)
+	require.NoError(err)
+
+	for _, block := range blocks {
+		err := chain.Accept(block)
+		require.NoError(err)
+	}
+	chain.DrainAcceptorQueue()
+
+	logs := <-logsCh
+	require.Len(logs, 1)
+	require.Equal(blocks[1].Hash(), logs[0].BlockHash)
+	require.Equal(blocks[1].Number().Uint64(), logs[0].BlockNumber)
+}
diff --git a/core/blockchain_reader.go b/core/blockchain_reader.go
index 3de27f2a43..7ef84305ac 100644
--- a/core/blockchain_reader.go
+++ b/core/blockchain_reader.go
@@ -27,7 +27,6 @@
 package core
 
 import (
-	"fmt"
 	"math/big"
 
 	"github.com/ava-labs/subnet-evm/commontype"
@@ -41,6 +40,7 @@ import (
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ava-labs/subnet-evm/precompile/contracts/feemanager"
 	"github.com/ava-labs/subnet-evm/precompile/contracts/rewardmanager"
+	"github.com/ava-labs/subnet-evm/trie"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/event"
 )
@@ -53,8 +53,8 @@ func (bc *BlockChain) CurrentHeader() *types.Header {
 
 // CurrentBlock retrieves the current head block of the canonical chain. The
 // block is retrieved from the blockchain's internal cache.
-func (bc *BlockChain) CurrentBlock() *types.Block {
-	return bc.currentBlock.Load().(*types.Block)
+func (bc *BlockChain) CurrentBlock() *types.Header {
+	return bc.currentBlock.Load()
 }
 
 // HasHeader checks if a block header is present in the database or not, caching
@@ -86,8 +86,7 @@ func (bc *BlockChain) GetHeaderByNumber(number uint64) *types.Header {
 func (bc *BlockChain) GetBody(hash common.Hash) *types.Body {
 	// Short circuit if the body's already in the cache, retrieve otherwise
 	if cached, ok := bc.bodyCache.Get(hash); ok {
-		body := cached.(*types.Body)
-		return body
+		return cached
 	}
 	number := bc.hc.GetBlockNumber(hash)
 	if number == nil {
@@ -129,7 +128,7 @@ func (bc *BlockChain) HasFastBlock(hash common.Hash, number uint64) bool {
 func (bc *BlockChain) GetBlock(hash common.Hash, number uint64) *types.Block {
 	// Short circuit if the block's already in the cache, retrieve otherwise
 	if block, ok := bc.blockCache.Get(hash); ok {
-		return block.(*types.Block)
+		return block
 	}
 	block := rawdb.ReadBlock(bc.db, hash, number)
 	if block == nil {
@@ -181,7 +180,7 @@ func (bc *BlockChain) GetBlocksFromHash(hash common.Hash, n int) (blocks []*type
 // GetReceiptsByHash retrieves the receipts for all transactions in a given block.
 func (bc *BlockChain) GetReceiptsByHash(hash common.Hash) types.Receipts {
 	if receipts, ok := bc.receiptsCache.Get(hash); ok {
-		return receipts.(types.Receipts)
+		return receipts
 	}
 	number := rawdb.ReadHeaderNumber(bc.db, hash)
 	if number == nil {
@@ -205,7 +204,7 @@ func (bc *BlockChain) GetCanonicalHash(number uint64) common.Hash {
 func (bc *BlockChain) GetTransactionLookup(hash common.Hash) *rawdb.LegacyTxLookupEntry {
 	// Short circuit if the txlookup already in the cache, retrieve otherwise
 	if lookup, exist := bc.txLookupCache.Get(hash); exist {
-		return lookup.(*rawdb.LegacyTxLookupEntry)
+		return lookup
 	}
 	tx, blockHash, blockNumber, txIndex := rawdb.ReadTransaction(bc.db, hash)
 	if tx == nil {
@@ -247,7 +246,7 @@ func (bc *BlockChain) ContractCode(hash common.Hash) ([]byte, error) {
 
 // State returns a new mutable state based on the current HEAD block.
 func (bc *BlockChain) State() (*state.StateDB, error) {
-	return bc.StateAt(bc.CurrentBlock().Root())
+	return bc.StateAt(bc.CurrentBlock().Root)
 }
 
 // StateAt returns a new mutable state based on a particular point in time.
@@ -283,7 +282,7 @@ func (bc *BlockChain) StateCache() state.Database {
 
 // GasLimit returns the gas limit of the current HEAD block.
 func (bc *BlockChain) GasLimit() uint64 {
-	return bc.CurrentBlock().GasLimit()
+	return bc.CurrentBlock().GasLimit
 }
 
 // Genesis retrieves the chain's genesis block.
@@ -296,6 +295,11 @@ func (bc *BlockChain) GetVMConfig() *vm.Config {
 	return &bc.vmConfig
 }
 
+// TrieDB retrieves the low level trie database used for data storage.
+func (bc *BlockChain) TrieDB() *trie.Database {
+	return bc.triedb
+}
+
 // SubscribeRemovedLogsEvent registers a subscription of RemovedLogsEvent.
 func (bc *BlockChain) SubscribeRemovedLogsEvent(ch chan<- RemovedLogsEvent) event.Subscription {
 	return bc.scope.Track(bc.rmLogsFeed.Subscribe(ch))
@@ -353,18 +357,13 @@ func (bc *BlockChain) SubscribeAcceptedTransactionEvent(ch chan<- NewTxsEvent) e
 // Assumes that a valid configuration is stored when the precompile is activated.
 func (bc *BlockChain) GetFeeConfigAt(parent *types.Header) (commontype.FeeConfig, *big.Int, error) {
 	config := bc.Config()
-	bigTime := new(big.Int).SetUint64(parent.Time)
-	if !config.IsPrecompileEnabled(feemanager.ContractAddress, bigTime) {
+	if !config.IsPrecompileEnabled(feemanager.ContractAddress, parent.Time) {
 		return config.FeeConfig, common.Big0, nil
 	}
 
 	// try to return it from the cache
 	if cached, hit := bc.feeConfigCache.Get(parent.Root); hit {
-		cachedFeeConfig, ok := cached.(*cacheableFeeConfig)
-		if !ok {
-			return commontype.EmptyFeeConfig, nil, fmt.Errorf("expected type cacheableFeeConfig, got %T", cached)
-		}
-		return cachedFeeConfig.feeConfig, cachedFeeConfig.lastChangedAt, nil
+		return cached.feeConfig, cached.lastChangedAt, nil
 	}
 
 	stateDB, err := bc.StateAt(parent.Root)
@@ -392,13 +391,11 @@ func (bc *BlockChain) GetFeeConfigAt(parent *types.Header) (commontype.FeeConfig
 // If fee recipients are allowed, returns true in the second return value.
 func (bc *BlockChain) GetCoinbaseAt(parent *types.Header) (common.Address, bool, error) {
 	config := bc.Config()
-	bigTime := new(big.Int).SetUint64(parent.Time)
-
-	if !config.IsSubnetEVM(bigTime) {
+	if !config.IsSubnetEVM(parent.Time) {
 		return constants.BlackholeAddr, false, nil
 	}
 
-	if !config.IsPrecompileEnabled(rewardmanager.ContractAddress, bigTime) {
+	if !config.IsPrecompileEnabled(rewardmanager.ContractAddress, parent.Time) {
 		if bc.chainConfig.AllowFeeRecipients {
 			return common.Address{}, true, nil
 		} else {
@@ -408,11 +405,7 @@ func (bc *BlockChain) GetCoinbaseAt(parent *types.Header) (common.Address, bool,
 
 	// try to return it from the cache
 	if cached, hit := bc.coinbaseConfigCache.Get(parent.Root); hit {
-		cachedCoinbaseConfig, ok := cached.(*cacheableCoinbaseConfig)
-		if !ok {
-			return common.Address{}, false, fmt.Errorf("expected type cachedCoinbaseConfig, got %T", cached)
-		}
-		return cachedCoinbaseConfig.coinbaseAddress, cachedCoinbaseConfig.allowFeeRecipients, nil
+		return cached.coinbaseAddress, cached.allowFeeRecipients, nil
 	}
 
 	stateDB, err := bc.StateAt(parent.Root)
@@ -432,5 +425,10 @@ func (bc *BlockChain) GetLogs(hash common.Hash, number uint64) [][]*types.Log {
 	if ok {
 		return logs
 	}
-	return rawdb.ReadLogs(bc.db, hash, number)
+	block := bc.GetBlockByHash(hash)
+	if block == nil {
+		return nil
+	}
+	logs = bc.collectUnflattenedLogs(block, false)
+	return logs
 }
diff --git a/core/blockchain_repair_test.go b/core/blockchain_repair_test.go
index df3e472784..c1b72856db 100644
--- a/core/blockchain_repair_test.go
+++ b/core/blockchain_repair_test.go
@@ -508,7 +508,9 @@ func testRepair(t *testing.T, tt *rewindTest, snapshots bool) {
 	// Create a temporary persistent database
 	datadir := t.TempDir()
 
-	db, err := rawdb.NewLevelDBDatabase(datadir, 0, 0, "", false)
+	db, err := rawdb.Open(rawdb.OpenOptions{
+		Directory: datadir,
+	})
 	if err != nil {
 		t.Fatalf("Failed to create persistent database: %v", err)
 	}
@@ -516,9 +518,12 @@ func testRepair(t *testing.T, tt *rewindTest, snapshots bool) {
 
 	// Initialize a fresh chain
 	var (
-		genesis = (&Genesis{Config: params.TestChainConfig, BaseFee: big.NewInt(params.TestInitialBaseFee)}).MustCommit(db)
-		engine  = dummy.NewFullFaker()
-		config  = &CacheConfig{
+		gspec = &Genesis{
+			BaseFee: big.NewInt(params.TestInitialBaseFee),
+			Config:  params.TestChainConfig,
+		}
+		engine = dummy.NewFullFaker()
+		config = &CacheConfig{
 			TrieCleanLimit: 256,
 			TrieDirtyLimit: 256,
 			SnapshotLimit:  0, // Disable snapshot by default
@@ -528,7 +533,7 @@ func testRepair(t *testing.T, tt *rewindTest, snapshots bool) {
 	if snapshots {
 		config.SnapshotLimit = 256
 	}
-	chain, err := NewBlockChain(db, config, params.TestChainConfig, engine, vm.Config{}, common.Hash{})
+	chain, err := NewBlockChain(db, config, gspec, engine, vm.Config{}, common.Hash{}, false)
 	if err != nil {
 		t.Fatalf("Failed to create chain: %v", err)
 	}
@@ -537,14 +542,14 @@ func testRepair(t *testing.T, tt *rewindTest, snapshots bool) {
 	// If sidechain blocks are needed, make a light chain and import it
 	var sideblocks types.Blocks
 	if tt.sidechainBlocks > 0 {
-		sideblocks, _, _ = GenerateChain(params.TestChainConfig, genesis, engine, rawdb.NewMemoryDatabase(), tt.sidechainBlocks, 10, func(i int, b *BlockGen) {
+		sideblocks, _, _ = GenerateChain(gspec.Config, gspec.ToBlock(), engine, rawdb.NewMemoryDatabase(), tt.sidechainBlocks, 10, func(i int, b *BlockGen) {
 			b.SetCoinbase(common.Address{0x01})
 		})
 		if _, err := chain.InsertChain(sideblocks); err != nil {
 			t.Fatalf("Failed to import side chain: %v", err)
 		}
 	}
-	canonblocks, _, _ := GenerateChain(params.TestChainConfig, genesis, engine, rawdb.NewMemoryDatabase(), tt.canonicalBlocks, 10, func(i int, b *BlockGen) {
+	canonblocks, _, _ := GenerateChain(gspec.Config, gspec.ToBlock(), engine, rawdb.NewMemoryDatabase(), tt.canonicalBlocks, 10, func(i int, b *BlockGen) {
 		b.SetCoinbase(common.Address{0x02})
 		b.SetDifficulty(big.NewInt(1000000))
 	})
@@ -568,15 +573,18 @@ func testRepair(t *testing.T, tt *rewindTest, snapshots bool) {
 
 	// Pull the plug on the database, simulating a hard crash
 	db.Close()
+	chain.stopWithoutSaving()
 
 	// Start a new blockchain back up and see where the repair leads us
-	db, err = rawdb.NewLevelDBDatabase(datadir, 0, 0, "", false)
+	db, err = rawdb.Open(rawdb.OpenOptions{
+		Directory: datadir,
+	})
 	if err != nil {
 		t.Fatalf("Failed to reopen persistent database: %v", err)
 	}
 	defer db.Close()
 
-	newChain, err := NewBlockChain(db, config, params.TestChainConfig, engine, vm.Config{}, lastAcceptedHash)
+	newChain, err := NewBlockChain(db, config, gspec, engine, vm.Config{}, lastAcceptedHash, false)
 	if err != nil {
 		t.Fatalf("Failed to recreate chain: %v", err)
 	}
@@ -591,7 +599,7 @@ func testRepair(t *testing.T, tt *rewindTest, snapshots bool) {
 	if head := newChain.CurrentHeader(); head.Number.Uint64() != tt.expHeadBlock {
 		t.Errorf("Head header mismatch: have %d, want %d", head.Number, tt.expHeadBlock)
 	}
-	if head := newChain.CurrentBlock(); head.NumberU64() != tt.expHeadBlock {
-		t.Errorf("Head block mismatch: have %d, want %d", head.NumberU64(), tt.expHeadBlock)
+	if head := newChain.CurrentBlock(); head.Number.Uint64() != tt.expHeadBlock {
+		t.Errorf("Head block mismatch: have %d, want %d", head.Number, tt.expHeadBlock)
 	}
 }
diff --git a/core/blockchain_snapshot_test.go b/core/blockchain_snapshot_test.go
index 6c3fbf131d..b4deac33a2 100644
--- a/core/blockchain_snapshot_test.go
+++ b/core/blockchain_snapshot_test.go
@@ -59,8 +59,9 @@ type snapshotTestBasic struct {
 	// share fields, set in runtime
 	datadir string
 	db      ethdb.Database
-	gendb   ethdb.Database
+	genDb   ethdb.Database
 	engine  consensus.Engine
+	gspec   *Genesis
 
 	lastAcceptedHash common.Hash
 }
@@ -69,26 +70,30 @@ func (basic *snapshotTestBasic) prepare(t *testing.T) (*BlockChain, []*types.Blo
 	// Create a temporary persistent database
 	datadir := t.TempDir()
 
-	db, err := rawdb.NewLevelDBDatabase(datadir, 0, 0, "", false)
+	db, err := rawdb.Open(rawdb.OpenOptions{
+		Directory: datadir,
+	})
 	if err != nil {
 		t.Fatalf("Failed to create persistent database: %v", err)
 	}
 	// Initialize a fresh chain
 	var (
-		genesis = (&Genesis{Config: params.TestChainConfig, BaseFee: big.NewInt(params.TestInitialBaseFee)}).MustCommit(db)
-		engine  = dummy.NewFullFaker()
-		gendb   = rawdb.NewMemoryDatabase()
+		gspec = &Genesis{
+			BaseFee: big.NewInt(params.TestInitialBaseFee),
+			Config:  params.TestChainConfig,
+		}
+		engine = dummy.NewFullFaker()
 
 		// Snapshot is enabled, the first snapshot is created from the Genesis.
 		// The snapshot memory allowance is 256MB, it means no snapshot flush
 		// will happen during the block insertion.
 		cacheConfig = DefaultCacheConfig
 	)
-	chain, err := NewBlockChain(db, cacheConfig, params.TestChainConfig, engine, vm.Config{}, common.Hash{})
+	chain, err := NewBlockChain(db, cacheConfig, gspec, engine, vm.Config{}, common.Hash{}, false)
 	if err != nil {
 		t.Fatalf("Failed to create chain: %v", err)
 	}
-	blocks, _, _ := GenerateChain(params.TestChainConfig, genesis, engine, gendb, basic.chainBlocks, 10, func(i int, b *BlockGen) {})
+	genDb, blocks, _, _ := GenerateChainWithGenesis(gspec, engine, basic.chainBlocks, 10, func(i int, b *BlockGen) {})
 
 	// genesis as last accepted
 	basic.lastAcceptedHash = chain.GetBlockByNumber(0).Hash()
@@ -126,8 +131,9 @@ func (basic *snapshotTestBasic) prepare(t *testing.T) (*BlockChain, []*types.Blo
 	// Set runtime fields
 	basic.datadir = datadir
 	basic.db = db
-	basic.gendb = gendb
+	basic.genDb = genDb
 	basic.engine = engine
+	basic.gspec = gspec
 	return chain, blocks
 }
 
@@ -139,18 +145,18 @@ func (basic *snapshotTestBasic) verify(t *testing.T, chain *BlockChain, blocks [
 	if head := chain.CurrentHeader(); head.Number.Uint64() != basic.expHeadBlock {
 		t.Errorf("Head header mismatch: have %d, want %d", head.Number, basic.expHeadBlock)
 	}
-	if head := chain.CurrentBlock(); head.NumberU64() != basic.expHeadBlock {
-		t.Errorf("Head block mismatch: have %d, want %d", head.NumberU64(), basic.expHeadBlock)
+	if head := chain.CurrentBlock(); head.Number.Uint64() != basic.expHeadBlock {
+		t.Errorf("Head block mismatch: have %d, want %d", head.Number, basic.expHeadBlock)
 	}
 
 	// Check the disk layer, ensure they are matched
 	block := chain.GetBlockByNumber(basic.expSnapshotBottom)
 	if block == nil {
-		t.Errorf("The correspnding block[%d] of snapshot disk layer is missing", basic.expSnapshotBottom)
+		t.Errorf("The corresponding block[%d] of snapshot disk layer is missing", basic.expSnapshotBottom)
 	} else if !bytes.Equal(chain.snaps.DiskRoot().Bytes(), block.Root().Bytes()) {
 		t.Errorf("The snapshot disk layer root is incorrect, want %x, get %x", block.Root(), chain.snaps.DiskRoot())
 	} else if len(chain.snaps.Snapshots(block.Hash(), -1, false)) != 1 {
-		t.Errorf("The correspnding block[%d] of snapshot disk layer is missing", basic.expSnapshotBottom)
+		t.Errorf("The corresponding block[%d] of snapshot disk layer is missing", basic.expSnapshotBottom)
 	}
 
 	// Check the snapshot, ensure it's integrated
@@ -203,7 +209,7 @@ func (basic *snapshotTestBasic) dump() string {
 
 func (basic *snapshotTestBasic) teardown() {
 	basic.db.Close()
-	basic.gendb.Close()
+	basic.genDb.Close()
 	os.RemoveAll(basic.datadir)
 }
 
@@ -221,7 +227,7 @@ func (snaptest *snapshotTest) test(t *testing.T) {
 
 	// Restart the chain normally
 	chain.Stop()
-	newchain, err := NewBlockChain(snaptest.db, DefaultCacheConfig, params.TestChainConfig, snaptest.engine, vm.Config{}, snaptest.lastAcceptedHash)
+	newchain, err := NewBlockChain(snaptest.db, DefaultCacheConfig, snaptest.gspec, snaptest.engine, vm.Config{}, snaptest.lastAcceptedHash, false)
 	if err != nil {
 		t.Fatalf("Failed to recreate chain: %v", err)
 	}
@@ -245,9 +251,12 @@ func (snaptest *crashSnapshotTest) test(t *testing.T) {
 	// Pull the plug on the database, simulating a hard crash
 	db := chain.db
 	db.Close()
+	chain.stopWithoutSaving()
 
 	// Start a new blockchain back up and see where the repair leads us
-	newdb, err := rawdb.NewLevelDBDatabase(snaptest.datadir, 0, 0, "", false)
+	newdb, err := rawdb.Open(rawdb.OpenOptions{
+		Directory: snaptest.datadir,
+	})
 	if err != nil {
 		t.Fatalf("Failed to reopen persistent database: %v", err)
 	}
@@ -257,13 +266,13 @@ func (snaptest *crashSnapshotTest) test(t *testing.T) {
 	// the crash, we do restart twice here: one after the crash and one
 	// after the normal stop. It's used to ensure the broken snapshot
 	// can be detected all the time.
-	newchain, err := NewBlockChain(newdb, DefaultCacheConfig, params.TestChainConfig, snaptest.engine, vm.Config{}, snaptest.lastAcceptedHash)
+	newchain, err := NewBlockChain(newdb, DefaultCacheConfig, snaptest.gspec, snaptest.engine, vm.Config{}, snaptest.lastAcceptedHash, false)
 	if err != nil {
 		t.Fatalf("Failed to recreate chain: %v", err)
 	}
 	newchain.Stop()
 
-	newchain, err = NewBlockChain(newdb, DefaultCacheConfig, params.TestChainConfig, snaptest.engine, vm.Config{}, snaptest.lastAcceptedHash)
+	newchain, err = NewBlockChain(newdb, DefaultCacheConfig, snaptest.gspec, snaptest.engine, vm.Config{}, snaptest.lastAcceptedHash, false)
 	if err != nil {
 		t.Fatalf("Failed to recreate chain: %v", err)
 	}
@@ -290,7 +299,7 @@ func (snaptest *gappedSnapshotTest) test(t *testing.T) {
 
 	// Insert blocks without enabling snapshot if gapping is required.
 	chain.Stop()
-	gappedBlocks, _, _ := GenerateChain(params.TestChainConfig, blocks[len(blocks)-1], snaptest.engine, snaptest.gendb, snaptest.gapped, 10, func(i int, b *BlockGen) {})
+	gappedBlocks, _, _ := GenerateChain(params.TestChainConfig, blocks[len(blocks)-1], snaptest.engine, snaptest.genDb, snaptest.gapped, 10, func(i int, b *BlockGen) {})
 
 	// Insert a few more blocks without enabling snapshot
 	var cacheConfig = &CacheConfig{
@@ -300,7 +309,7 @@ func (snaptest *gappedSnapshotTest) test(t *testing.T) {
 		Pruning:        true,
 		CommitInterval: 4096,
 	}
-	newchain, err := NewBlockChain(snaptest.db, cacheConfig, params.TestChainConfig, snaptest.engine, vm.Config{}, snaptest.lastAcceptedHash)
+	newchain, err := NewBlockChain(snaptest.db, cacheConfig, snaptest.gspec, snaptest.engine, vm.Config{}, snaptest.lastAcceptedHash, false)
 	if err != nil {
 		t.Fatalf("Failed to recreate chain: %v", err)
 	}
@@ -308,7 +317,7 @@ func (snaptest *gappedSnapshotTest) test(t *testing.T) {
 	newchain.Stop()
 
 	// Restart the chain with enabling the snapshot
-	newchain, err = NewBlockChain(snaptest.db, DefaultCacheConfig, params.TestChainConfig, snaptest.engine, vm.Config{}, snaptest.lastAcceptedHash)
+	newchain, err = NewBlockChain(snaptest.db, DefaultCacheConfig, snaptest.gspec, snaptest.engine, vm.Config{}, snaptest.lastAcceptedHash, false)
 	if err != nil {
 		t.Fatalf("Failed to recreate chain: %v", err)
 	}
@@ -344,11 +353,11 @@ func (snaptest *wipeCrashSnapshotTest) test(t *testing.T) {
 		Pruning:        true,
 		CommitInterval: 4096,
 	}
-	newchain, err := NewBlockChain(snaptest.db, config, params.TestChainConfig, snaptest.engine, vm.Config{}, snaptest.lastAcceptedHash)
+	newchain, err := NewBlockChain(snaptest.db, config, snaptest.gspec, snaptest.engine, vm.Config{}, snaptest.lastAcceptedHash, false)
 	if err != nil {
 		t.Fatalf("Failed to recreate chain: %v", err)
 	}
-	newBlocks, _, _ := GenerateChain(params.TestChainConfig, blocks[len(blocks)-1], snaptest.engine, snaptest.gendb, snaptest.newBlocks, 10, func(i int, b *BlockGen) {})
+	newBlocks, _, _ := GenerateChain(params.TestChainConfig, blocks[len(blocks)-1], snaptest.engine, snaptest.genDb, snaptest.newBlocks, 10, func(i int, b *BlockGen) {})
 	newchain.InsertChain(newBlocks)
 	newchain.Stop()
 
@@ -360,16 +369,19 @@ func (snaptest *wipeCrashSnapshotTest) test(t *testing.T) {
 		Pruning:        true,
 		CommitInterval: 4096,
 	}
-	_, err = NewBlockChain(snaptest.db, config, params.TestChainConfig, snaptest.engine, vm.Config{}, snaptest.lastAcceptedHash)
+	tmp, err := NewBlockChain(snaptest.db, config, snaptest.gspec, snaptest.engine, vm.Config{}, snaptest.lastAcceptedHash, false)
 	if err != nil {
 		t.Fatalf("Failed to recreate chain: %v", err)
 	}
+
 	// Simulate the blockchain crash.
+	tmp.stopWithoutSaving()
 
-	newchain, err = NewBlockChain(snaptest.db, DefaultCacheConfig, params.TestChainConfig, snaptest.engine, vm.Config{}, snaptest.lastAcceptedHash)
+	newchain, err = NewBlockChain(snaptest.db, DefaultCacheConfig, snaptest.gspec, snaptest.engine, vm.Config{}, snaptest.lastAcceptedHash, false)
 	if err != nil {
 		t.Fatalf("Failed to recreate chain: %v", err)
 	}
+	defer newchain.Stop()
 	snaptest.verify(t, newchain, blocks)
 }
 
diff --git a/core/blockchain_test.go b/core/blockchain_test.go
index eb443003bc..3937501451 100644
--- a/core/blockchain_test.go
+++ b/core/blockchain_test.go
@@ -16,6 +16,7 @@ import (
 	"github.com/ava-labs/subnet-evm/core/state/pruner"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/core/vm"
+	"github.com/ava-labs/subnet-evm/eth/tracers/logger"
 	"github.com/ava-labs/subnet-evm/ethdb"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ethereum/go-ethereum/common"
@@ -46,27 +47,32 @@ var (
 	}
 )
 
+func newGwei(n int64) *big.Int {
+	return new(big.Int).Mul(big.NewInt(n), big.NewInt(params.GWei))
+}
+
 func createBlockChain(
 	db ethdb.Database,
 	cacheConfig *CacheConfig,
-	chainConfig *params.ChainConfig,
+	gspec *Genesis,
 	lastAcceptedHash common.Hash,
 ) (*BlockChain, error) {
 	// Import the chain. This runs all block validation rules.
 	blockchain, err := NewBlockChain(
 		db,
 		cacheConfig,
-		chainConfig,
+		gspec,
 		dummy.NewCoinbaseFaker(),
 		vm.Config{},
 		lastAcceptedHash,
+		false,
 	)
 	return blockchain, err
 }
 
 func TestArchiveBlockChain(t *testing.T) {
-	createArchiveBlockChain := func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error) {
-		return createBlockChain(db, archiveConfig, chainConfig, lastAcceptedHash)
+	createArchiveBlockChain := func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error) {
+		return createBlockChain(db, archiveConfig, gspec, lastAcceptedHash)
 	}
 	for _, tt := range tests {
 		t.Run(tt.Name, func(t *testing.T) {
@@ -119,11 +125,11 @@ func TestTrieCleanJournal(t *testing.T) {
 	}()
 	require.NoError(trieCleanJournalWatcher.Add(trieCleanJournal))
 
-	create := func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error) {
+	create := func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error) {
 		config := *archiveConfig
 		config.TrieCleanJournal = trieCleanJournal
 		config.TrieCleanRejournal = 100 * time.Millisecond
-		return createBlockChain(db, &config, chainConfig, lastAcceptedHash)
+		return createBlockChain(db, &config, gspec, lastAcceptedHash)
 	}
 
 	var (
@@ -131,9 +137,6 @@ func TestTrieCleanJournal(t *testing.T) {
 		key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
 		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
 		addr2   = crypto.PubkeyToAddress(key2.PublicKey)
-		// We use two separate databases since GenerateChain commits the state roots to its underlying
-		// database.
-		genDB   = rawdb.NewMemoryDatabase()
 		chainDB = rawdb.NewMemoryDatabase()
 	)
 
@@ -143,18 +146,14 @@ func TestTrieCleanJournal(t *testing.T) {
 		Config: &params.ChainConfig{HomesteadBlock: new(big.Int)},
 		Alloc:  GenesisAlloc{addr1: {Balance: genesisBalance}},
 	}
-	genesis := gspec.MustCommit(genDB)
-	_ = gspec.MustCommit(chainDB)
 
-	blockchain, err := create(chainDB, gspec.Config, common.Hash{})
+	blockchain, err := create(chainDB, gspec, common.Hash{})
 	require.NoError(err)
 	defer blockchain.Stop()
 
 	// This call generates a chain of 3 blocks.
 	signer := types.HomesteadSigner{}
-	// Generate chain of blocks using [genDB] instead of [chainDB] to avoid writing
-	// to the BlockChain's database while generating blocks.
-	chain, _, err := GenerateChain(gspec.Config, genesis, blockchain.engine, genDB, 3, 10, func(i int, gen *BlockGen) {
+	_, chain, _, err := GenerateChainWithGenesis(gspec, blockchain.engine, 3, 10, func(i int, gen *BlockGen) {
 		tx, _ := types.SignTx(types.NewTransaction(gen.TxNonce(addr1), addr2, big.NewInt(10000), params.TxGas, nil, nil), signer, key1)
 		gen.AddTx(tx)
 	})
@@ -177,7 +176,7 @@ func TestTrieCleanJournal(t *testing.T) {
 }
 
 func TestArchiveBlockChainSnapsDisabled(t *testing.T) {
-	create := func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error) {
+	create := func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error) {
 		return createBlockChain(
 			db,
 			&CacheConfig{
@@ -188,7 +187,7 @@ func TestArchiveBlockChainSnapsDisabled(t *testing.T) {
 				SnapshotLimit:         0,     // Disable snapshots
 				AcceptorQueueLimit:    64,
 			},
-			chainConfig,
+			gspec,
 			lastAcceptedHash,
 		)
 	}
@@ -200,8 +199,8 @@ func TestArchiveBlockChainSnapsDisabled(t *testing.T) {
 }
 
 func TestPruningBlockChain(t *testing.T) {
-	createPruningBlockChain := func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error) {
-		return createBlockChain(db, pruningConfig, chainConfig, lastAcceptedHash)
+	createPruningBlockChain := func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error) {
+		return createBlockChain(db, pruningConfig, gspec, lastAcceptedHash)
 	}
 	for _, tt := range tests {
 		t.Run(tt.Name, func(t *testing.T) {
@@ -211,7 +210,7 @@ func TestPruningBlockChain(t *testing.T) {
 }
 
 func TestPruningBlockChainSnapsDisabled(t *testing.T) {
-	create := func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error) {
+	create := func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error) {
 		return createBlockChain(
 			db,
 			&CacheConfig{
@@ -223,7 +222,7 @@ func TestPruningBlockChainSnapsDisabled(t *testing.T) {
 				SnapshotLimit:         0, // Disable snapshots
 				AcceptorQueueLimit:    64,
 			},
-			chainConfig,
+			gspec,
 			lastAcceptedHash,
 		)
 	}
@@ -241,8 +240,8 @@ type wrappedStateManager struct {
 func (w *wrappedStateManager) Shutdown() error { return nil }
 
 func TestPruningBlockChainUngracefulShutdown(t *testing.T) {
-	create := func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error) {
-		blockchain, err := createBlockChain(db, pruningConfig, chainConfig, lastAcceptedHash)
+	create := func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error) {
+		blockchain, err := createBlockChain(db, pruningConfig, gspec, lastAcceptedHash)
 		if err != nil {
 			return nil, err
 		}
@@ -260,7 +259,7 @@ func TestPruningBlockChainUngracefulShutdown(t *testing.T) {
 }
 
 func TestPruningBlockChainUngracefulShutdownSnapsDisabled(t *testing.T) {
-	create := func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error) {
+	create := func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error) {
 		blockchain, err := createBlockChain(
 			db,
 			&CacheConfig{
@@ -272,7 +271,7 @@ func TestPruningBlockChainUngracefulShutdownSnapsDisabled(t *testing.T) {
 				SnapshotLimit:         0, // Disable snapshots
 				AcceptorQueueLimit:    64,
 			},
-			chainConfig,
+			gspec,
 			lastAcceptedHash,
 		)
 		if err != nil {
@@ -294,7 +293,7 @@ func TestPruningBlockChainUngracefulShutdownSnapsDisabled(t *testing.T) {
 func TestEnableSnapshots(t *testing.T) {
 	// Set snapshots to be disabled the first time, and then enable them on the restart
 	snapLimit := 0
-	create := func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error) {
+	create := func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error) {
 		// Import the chain. This runs all block validation rules.
 		blockchain, err := createBlockChain(
 			db,
@@ -307,7 +306,7 @@ func TestEnableSnapshots(t *testing.T) {
 				SnapshotLimit:         snapLimit,
 				AcceptorQueueLimit:    64,
 			},
-			chainConfig,
+			gspec,
 			lastAcceptedHash,
 		)
 		if err != nil {
@@ -325,13 +324,13 @@ func TestEnableSnapshots(t *testing.T) {
 }
 
 func TestCorruptSnapshots(t *testing.T) {
-	create := func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error) {
+	create := func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error) {
 		// Delete the snapshot block hash and state root to ensure that if we die in between writing a snapshot
 		// diff layer to disk at any point, we can still recover on restart.
 		rawdb.DeleteSnapshotBlockHash(db)
 		rawdb.DeleteSnapshotRoot(db)
 
-		return createBlockChain(db, pruningConfig, chainConfig, lastAcceptedHash)
+		return createBlockChain(db, pruningConfig, gspec, lastAcceptedHash)
 	}
 	for _, tt := range tests {
 		t.Run(tt.Name, func(t *testing.T) {
@@ -341,9 +340,9 @@ func TestCorruptSnapshots(t *testing.T) {
 }
 
 func TestBlockChainOfflinePruningUngracefulShutdown(t *testing.T) {
-	create := func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error) {
+	create := func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error) {
 		// Import the chain. This runs all block validation rules.
-		blockchain, err := createBlockChain(db, pruningConfig, chainConfig, lastAcceptedHash)
+		blockchain, err := createBlockChain(db, pruningConfig, gspec, lastAcceptedHash)
 		if err != nil {
 			return nil, err
 		}
@@ -365,7 +364,14 @@ func TestBlockChainOfflinePruningUngracefulShutdown(t *testing.T) {
 		if err := blockchain.CleanBlockRootsAboveLastAccepted(); err != nil {
 			return nil, err
 		}
-		pruner, err := pruner.NewPruner(db, tempDir, 256)
+
+		prunerConfig := pruner.Config{
+			Datadir:   tempDir,
+			BloomSize: 256,
+			Cachedir:  pruningConfig.TrieCleanJournal,
+		}
+
+		pruner, err := pruner.NewPruner(db, prunerConfig)
 		if err != nil {
 			return nil, fmt.Errorf("offline pruning failed (%s, %d): %w", tempDir, 256, err)
 		}
@@ -374,13 +380,13 @@ func TestBlockChainOfflinePruningUngracefulShutdown(t *testing.T) {
 			return nil, fmt.Errorf("failed to prune blockchain with target root: %s due to: %w", targetRoot, err)
 		}
 		// Re-initialize the blockchain after pruning
-		return createBlockChain(db, pruningConfig, chainConfig, lastAcceptedHash)
+		return createBlockChain(db, pruningConfig, gspec, lastAcceptedHash)
 	}
 	for _, tt := range tests {
-		tst := tt
 		t.Run(tt.Name, func(t *testing.T) {
+			tt := tt
 			t.Parallel()
-			tst.testFunc(t, create)
+			tt.testFunc(t, create)
 		})
 	}
 }
@@ -391,23 +397,17 @@ func testRepopulateMissingTriesParallel(t *testing.T, parallelism int) {
 		key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
 		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
 		addr2   = crypto.PubkeyToAddress(key2.PublicKey)
-		// We use two separate databases since GenerateChain commits the state roots to its underlying
-		// database.
-		genDB            = rawdb.NewMemoryDatabase()
-		chainDB          = rawdb.NewMemoryDatabase()
-		lastAcceptedHash common.Hash
+		chainDB = rawdb.NewMemoryDatabase()
 	)
 
 	// Ensure that key1 has some funds in the genesis block.
 	genesisBalance := big.NewInt(1000000)
 	gspec := &Genesis{
-		Config: &params.ChainConfig{HomesteadBlock: new(big.Int)},
+		Config: &params.ChainConfig{HomesteadBlock: new(big.Int), FeeConfig: params.DefaultFeeConfig},
 		Alloc:  GenesisAlloc{addr1: {Balance: genesisBalance}},
 	}
-	genesis := gspec.MustCommit(genDB)
-	_ = gspec.MustCommit(chainDB)
 
-	blockchain, err := createBlockChain(chainDB, pruningConfig, gspec.Config, lastAcceptedHash)
+	blockchain, err := createBlockChain(chainDB, pruningConfig, gspec, common.Hash{})
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -415,9 +415,7 @@ func testRepopulateMissingTriesParallel(t *testing.T, parallelism int) {
 
 	// This call generates a chain of 3 blocks.
 	signer := types.HomesteadSigner{}
-	// Generate chain of blocks using [genDB] instead of [chainDB] to avoid writing
-	// to the BlockChain's database while generating blocks.
-	chain, _, err := GenerateChain(gspec.Config, genesis, blockchain.engine, genDB, 10, 10, func(i int, gen *BlockGen) {
+	_, chain, _, err := GenerateChainWithGenesis(gspec, blockchain.engine, 10, 10, func(i int, gen *BlockGen) {
 		tx, _ := types.SignTx(types.NewTransaction(gen.TxNonce(addr1), addr2, big.NewInt(10000), params.TxGas, nil, nil), signer, key1)
 		gen.AddTx(tx)
 	})
@@ -435,10 +433,10 @@ func testRepopulateMissingTriesParallel(t *testing.T, parallelism int) {
 	}
 	blockchain.DrainAcceptorQueue()
 
-	lastAcceptedHash = blockchain.LastConsensusAcceptedBlock().Hash()
+	lastAcceptedHash := blockchain.LastConsensusAcceptedBlock().Hash()
 	blockchain.Stop()
 
-	blockchain, err = createBlockChain(chainDB, pruningConfig, gspec.Config, lastAcceptedHash)
+	blockchain, err = createBlockChain(chainDB, pruningConfig, gspec, lastAcceptedHash)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -465,7 +463,7 @@ func testRepopulateMissingTriesParallel(t *testing.T, parallelism int) {
 			PopulateMissingTriesParallelism: parallelism,
 			AcceptorQueueLimit:              64,
 		},
-		gspec.Config,
+		gspec,
 		lastAcceptedHash,
 	)
 	if err != nil {
@@ -488,7 +486,7 @@ func TestRepopulateMissingTries(t *testing.T) {
 
 func TestUngracefulAsyncShutdown(t *testing.T) {
 	var (
-		create = func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error) {
+		create = func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error) {
 			blockchain, err := createBlockChain(db, &CacheConfig{
 				TrieCleanLimit:        256,
 				TrieDirtyLimit:        256,
@@ -496,9 +494,9 @@ func TestUngracefulAsyncShutdown(t *testing.T) {
 				Pruning:               true,
 				CommitInterval:        4096,
 				SnapshotLimit:         256,
-				SkipSnapshotRebuild:   true, // Ensure the test errors if snapshot initialization fails
+				SnapshotNoBuild:       true, // Ensure the test errors if snapshot initialization fails
 				AcceptorQueueLimit:    1000, // ensure channel doesn't block
-			}, chainConfig, lastAcceptedHash)
+			}, gspec, lastAcceptedHash)
 			if err != nil {
 				return nil, err
 			}
@@ -509,22 +507,17 @@ func TestUngracefulAsyncShutdown(t *testing.T) {
 		key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
 		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
 		addr2   = crypto.PubkeyToAddress(key2.PublicKey)
-		// We use two separate databases since GenerateChain commits the state roots to its underlying
-		// database.
-		genDB   = rawdb.NewMemoryDatabase()
 		chainDB = rawdb.NewMemoryDatabase()
 	)
 
 	// Ensure that key1 has some funds in the genesis block.
 	genesisBalance := big.NewInt(1000000)
 	gspec := &Genesis{
-		Config: &params.ChainConfig{HomesteadBlock: new(big.Int)},
+		Config: &params.ChainConfig{HomesteadBlock: new(big.Int), FeeConfig: params.DefaultFeeConfig},
 		Alloc:  GenesisAlloc{addr1: {Balance: genesisBalance}},
 	}
-	genesis := gspec.MustCommit(genDB)
-	_ = gspec.MustCommit(chainDB)
 
-	blockchain, err := create(chainDB, gspec.Config, common.Hash{})
+	blockchain, err := create(chainDB, gspec, common.Hash{})
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -532,9 +525,7 @@ func TestUngracefulAsyncShutdown(t *testing.T) {
 
 	// This call generates a chain of 10 blocks.
 	signer := types.HomesteadSigner{}
-	// Generate chain of blocks using [genDB] instead of [chainDB] to avoid writing
-	// to the BlockChain's database while generating blocks.
-	chain, _, err := GenerateChain(gspec.Config, genesis, blockchain.engine, genDB, 10, 10, func(i int, gen *BlockGen) {
+	_, chain, _, err := GenerateChainWithGenesis(gspec, blockchain.engine, 10, 10, func(i int, gen *BlockGen) {
 		tx, _ := types.SignTx(types.NewTransaction(gen.TxNonce(addr1), addr2, big.NewInt(10000), params.TxGas, nil, nil), signer, key1)
 		gen.AddTx(tx)
 	})
@@ -634,6 +625,119 @@ func TestUngracefulAsyncShutdown(t *testing.T) {
 	}
 }
 
+// TODO: simplify the unindexer logic and this test.
+func TestTransactionIndices(t *testing.T) {
+	// Configure and generate a sample block chain
+	require := require.New(t)
+	var (
+		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
+		key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
+		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
+		addr2   = crypto.PubkeyToAddress(key2.PublicKey)
+		funds   = big.NewInt(10000000000000)
+		gspec   = &Genesis{
+			Config: &params.ChainConfig{HomesteadBlock: new(big.Int)},
+			Alloc:  GenesisAlloc{addr1: {Balance: funds}},
+		}
+		signer = types.LatestSigner(gspec.Config)
+	)
+	genDb, blocks, _, err := GenerateChainWithGenesis(gspec, dummy.NewFaker(), 128, 10, func(i int, block *BlockGen) {
+		tx, err := types.SignTx(types.NewTransaction(block.TxNonce(addr1), addr2, big.NewInt(10000), params.TxGas, nil, nil), signer, key1)
+		require.NoError(err)
+		block.AddTx(tx)
+	})
+	require.NoError(err)
+
+	blocks2, _, err := GenerateChain(gspec.Config, blocks[len(blocks)-1], dummy.NewFaker(), genDb, 10, 10, nil)
+	require.NoError(err)
+
+	check := func(tail *uint64, chain *BlockChain) {
+		stored := rawdb.ReadTxIndexTail(chain.db)
+		require.EqualValues(tail, stored)
+
+		if tail == nil {
+			return
+		}
+		for i := *tail; i <= chain.CurrentBlock().Number.Uint64(); i++ {
+			block := rawdb.ReadBlock(chain.db, rawdb.ReadCanonicalHash(chain.db, i), i)
+			if block.Transactions().Len() == 0 {
+				continue
+			}
+			for _, tx := range block.Transactions() {
+				index := rawdb.ReadTxLookupEntry(chain.db, tx.Hash())
+				require.NotNilf(index, "Miss transaction indices, number %d hash %s", i, tx.Hash().Hex())
+			}
+		}
+
+		for i := uint64(0); i < *tail; i++ {
+			block := rawdb.ReadBlock(chain.db, rawdb.ReadCanonicalHash(chain.db, i), i)
+			if block.Transactions().Len() == 0 {
+				continue
+			}
+			for _, tx := range block.Transactions() {
+				index := rawdb.ReadTxLookupEntry(chain.db, tx.Hash())
+				require.Nilf(index, "Transaction indices should be deleted, number %d hash %s", i, tx.Hash().Hex())
+			}
+		}
+	}
+
+	conf := &CacheConfig{
+		TrieCleanLimit:        256,
+		TrieDirtyLimit:        256,
+		TrieDirtyCommitTarget: 20,
+		Pruning:               true,
+		CommitInterval:        4096,
+		SnapshotLimit:         256,
+		SnapshotNoBuild:       true, // Ensure the test errors if snapshot initialization fails
+		AcceptorQueueLimit:    64,
+	}
+
+	// Init block chain and check all needed indices has been indexed.
+	chainDB := rawdb.NewMemoryDatabase()
+	chain, err := createBlockChain(chainDB, conf, gspec, common.Hash{})
+	require.NoError(err)
+
+	_, err = chain.InsertChain(blocks)
+	require.NoError(err)
+
+	for _, block := range blocks {
+		err := chain.Accept(block)
+		require.NoError(err)
+	}
+	chain.DrainAcceptorQueue()
+
+	chain.Stop()
+	check(nil, chain) // check all indices has been indexed
+
+	lastAcceptedHash := chain.CurrentHeader().Hash()
+
+	// Reconstruct a block chain which only reserves limited tx indices
+	// 128 blocks were previously indexed. Now we add a new block at each test step.
+	limit := []uint64{130 /* 129 + 1 reserve all */, 64 /* drop stale */, 32 /* shorten history */}
+	tails := []uint64{0 /* reserve all */, 67 /* 130 - 64 + 1 */, 100 /* 131 - 32 + 1 */}
+	for i, l := range limit {
+		conf.TxLookupLimit = l
+
+		chain, err := createBlockChain(chainDB, conf, gspec, lastAcceptedHash)
+		require.NoError(err)
+
+		newBlks := blocks2[i : i+1]
+		_, err = chain.InsertChain(newBlks) // Feed chain a higher block to trigger indices updater.
+		require.NoError(err)
+
+		err = chain.Accept(newBlks[0]) // Accept the block to trigger indices updater.
+		require.NoError(err)
+
+		chain.DrainAcceptorQueue()
+		time.Sleep(50 * time.Millisecond) // Wait for indices initialisation
+
+		chain.Stop()
+		check(&tails[i], chain)
+
+		lastAcceptedHash = chain.CurrentHeader().Hash()
+	}
+}
+
 // TestCanonicalHashMarker tests all the canonical hash markers are updated/deleted
 // correctly in case reorg is called.
 func TestCanonicalHashMarker(t *testing.T) {
@@ -673,28 +777,25 @@ func TestCanonicalHashMarker(t *testing.T) {
 	}
 	for _, c := range cases {
 		var (
-			db    = rawdb.NewMemoryDatabase()
 			gspec = &Genesis{
 				Config:  params.TestChainConfig,
 				Alloc:   GenesisAlloc{},
 				BaseFee: big.NewInt(params.TestInitialBaseFee),
 			}
-			genesis = gspec.MustCommit(db)
-			engine  = dummy.NewCoinbaseFaker()
+			engine = dummy.NewCoinbaseFaker()
 		)
-		forkA, _, err := GenerateChain(params.TestChainConfig, genesis, engine, db, c.forkA, 10, func(i int, gen *BlockGen) {})
+		_, forkA, _, err := GenerateChainWithGenesis(gspec, engine, c.forkA, 10, func(i int, gen *BlockGen) {})
 		if err != nil {
 			t.Fatal(err)
 		}
-		forkB, _, err := GenerateChain(params.TestChainConfig, genesis, engine, db, c.forkB, 10, func(i int, gen *BlockGen) {})
+		_, forkB, _, err := GenerateChainWithGenesis(gspec, engine, c.forkB, 10, func(i int, gen *BlockGen) {})
 		if err != nil {
 			t.Fatal(err)
 		}
 
 		// Initialize test chain
 		diskdb := rawdb.NewMemoryDatabase()
-		gspec.MustCommit(diskdb)
-		chain, err := NewBlockChain(diskdb, DefaultCacheConfig, params.TestChainConfig, engine, vm.Config{}, common.Hash{})
+		chain, err := NewBlockChain(diskdb, DefaultCacheConfig, gspec, engine, vm.Config{}, common.Hash{}, false)
 		if err != nil {
 			t.Fatalf("failed to create tester chain: %v", err)
 		}
@@ -745,147 +846,321 @@ func TestCanonicalHashMarker(t *testing.T) {
 				}
 			}
 		}
+		chain.Stop()
 	}
 }
 
-func TestTransactionIndices(t *testing.T) {
-	if os.Getenv("RUN_FLAKY_TESTS") != "true" {
-		t.Skip("FLAKY")
-	}
-	// Configure and generate a sample block chain
-	require := require.New(t)
-	var (
-		gendb   = rawdb.NewMemoryDatabase()
-		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
-		key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
-		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
-		addr2   = crypto.PubkeyToAddress(key2.PublicKey)
-		funds   = big.NewInt(10000000000000)
-		gspec   = &Genesis{
-			Config: &params.ChainConfig{HomesteadBlock: new(big.Int)},
-			Alloc:  GenesisAlloc{addr1: {Balance: funds}},
-		}
-		genesis = gspec.MustCommit(gendb)
-		signer  = types.LatestSigner(gspec.Config)
-	)
-	height := uint64(128)
-	blocks, _, err := GenerateChain(gspec.Config, genesis, dummy.NewFaker(), gendb, int(height), 10, func(i int, block *BlockGen) {
-		tx, err := types.SignTx(types.NewTransaction(block.TxNonce(addr1), addr2, big.NewInt(10000), params.TxGas, nil, nil), signer, key1)
-		require.NoError(err)
-		block.AddTx(tx)
-	})
-	require.NoError(err)
-
-	blocks2, _, err := GenerateChain(gspec.Config, blocks[len(blocks)-1], dummy.NewFaker(), gendb, 10, 10, nil)
-	require.NoError(err)
-
-	check := func(tail *uint64, chain *BlockChain) {
-		stored := rawdb.ReadTxIndexTail(chain.db)
-		require.EqualValues(tail, stored)
-
-		if tail == nil {
-			return
-		}
-		for i := *tail; i <= chain.CurrentBlock().NumberU64(); i++ {
-			block := rawdb.ReadBlock(chain.db, rawdb.ReadCanonicalHash(chain.db, i), i)
-			if block.Transactions().Len() == 0 {
-				continue
-			}
-			for _, tx := range block.Transactions() {
-				index := rawdb.ReadTxLookupEntry(chain.db, tx.Hash())
-				require.NotNilf(index, "Miss transaction indices, number %d hash %s", i, tx.Hash().Hex())
-			}
-		}
-
-		for i := uint64(0); i < *tail; i++ {
-			block := rawdb.ReadBlock(chain.db, rawdb.ReadCanonicalHash(chain.db, i), i)
-			if block.Transactions().Len() == 0 {
-				continue
-			}
-			for _, tx := range block.Transactions() {
-				index := rawdb.ReadTxLookupEntry(chain.db, tx.Hash())
-				require.Nilf(index, "Transaction indices should be deleted, number %d hash %s", i, tx.Hash().Hex())
-			}
-		}
-	}
-
-	conf := &CacheConfig{
+func TestTxLookupBlockChain(t *testing.T) {
+	cacheConf := &CacheConfig{
 		TrieCleanLimit:        256,
 		TrieDirtyLimit:        256,
 		TrieDirtyCommitTarget: 20,
 		Pruning:               true,
 		CommitInterval:        4096,
 		SnapshotLimit:         256,
-		SkipSnapshotRebuild:   true, // Ensure the test errors if snapshot initialization fails
-		AcceptorQueueLimit:    64,
+		SnapshotNoBuild:       true, // Ensure the test errors if snapshot initialization fails
+		AcceptorQueueLimit:    64,   // ensure channel doesn't block
+		TxLookupLimit:         5,
 	}
+	createTxLookupBlockChain := func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error) {
+		return createBlockChain(db, cacheConf, gspec, lastAcceptedHash)
+	}
+	for _, tt := range tests {
+		t.Run(tt.Name, func(t *testing.T) {
+			tt.testFunc(t, createTxLookupBlockChain)
+		})
+	}
+}
 
-	// Init block chain and check all needed indices has been indexed.
-	chainDB := rawdb.NewMemoryDatabase()
-	gspec.MustCommit(chainDB)
-
-	chain, err := createBlockChain(chainDB, conf, gspec.Config, common.Hash{})
-	require.NoError(err)
+func TestCreateThenDeletePreByzantium(t *testing.T) {
+	// We want to use pre-byzantium rules where we have intermediate state roots
+	// between transactions.
+	config := *params.TestPreSubnetEVMConfig
+	config.ByzantiumBlock = nil
+	config.ConstantinopleBlock = nil
+	config.PetersburgBlock = nil
+	config.IstanbulBlock = nil
+	config.MuirGlacierBlock = nil
+	testCreateThenDelete(t, &config)
+}
+func TestCreateThenDeletePostByzantium(t *testing.T) {
+	testCreateThenDelete(t, params.TestChainConfig)
+}
 
-	_, err = chain.InsertChain(blocks)
-	require.NoError(err)
+// testCreateThenDelete tests a creation and subsequent deletion of a contract, happening
+// within the same block.
+func testCreateThenDelete(t *testing.T, config *params.ChainConfig) {
+	var (
+		engine = dummy.NewFaker()
+		// A sender who makes transactions, has some funds
+		key, _      = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
+		address     = crypto.PubkeyToAddress(key.PublicKey)
+		destAddress = crypto.CreateAddress(address, 0)
+		funds       = big.NewInt(params.Ether) // Note: additional funds are provided here compared to go-ethereum so test completes.
+	)
 
+	// runtime code is 	0x60ffff : PUSH1 0xFF SELFDESTRUCT, a.k.a SELFDESTRUCT(0xFF)
+	code := append([]byte{0x60, 0xff, 0xff}, make([]byte, 32-3)...)
+	initCode := []byte{
+		// SSTORE 1:1
+		byte(vm.PUSH1), 0x1,
+		byte(vm.PUSH1), 0x1,
+		byte(vm.SSTORE),
+		// Get the runtime-code on the stack
+		byte(vm.PUSH32)}
+	initCode = append(initCode, code...)
+	initCode = append(initCode, []byte{
+		byte(vm.PUSH1), 0x0, // offset
+		byte(vm.MSTORE),
+		byte(vm.PUSH1), 0x3, // size
+		byte(vm.PUSH1), 0x0, // offset
+		byte(vm.RETURN), // return 3 bytes of zero-code
+	}...)
+	gspec := &Genesis{
+		Config: config,
+		Alloc: GenesisAlloc{
+			address: {Balance: funds},
+		},
+	}
+	nonce := uint64(0)
+	signer := types.HomesteadSigner{}
+	_, blocks, _, _ := GenerateChainWithGenesis(gspec, engine, 2, 10, func(i int, b *BlockGen) {
+		fee := big.NewInt(1)
+		if b.header.BaseFee != nil {
+			fee = b.header.BaseFee
+		}
+		b.SetCoinbase(common.Address{1})
+		tx, _ := types.SignNewTx(key, signer, &types.LegacyTx{
+			Nonce:    nonce,
+			GasPrice: new(big.Int).Set(fee),
+			Gas:      100000,
+			Data:     initCode,
+		})
+		nonce++
+		b.AddTx(tx)
+		tx, _ = types.SignNewTx(key, signer, &types.LegacyTx{
+			Nonce:    nonce,
+			GasPrice: new(big.Int).Set(fee),
+			Gas:      100000,
+			To:       &destAddress,
+		})
+		b.AddTx(tx)
+		nonce++
+	})
+	// Import the canonical chain
+	chain, err := NewBlockChain(rawdb.NewMemoryDatabase(), DefaultCacheConfig, gspec, engine, vm.Config{
+		//Debug:  true,
+		//Tracer: logger.NewJSONLogger(nil, os.Stdout),
+	}, common.Hash{}, false)
+	if err != nil {
+		t.Fatalf("failed to create tester chain: %v", err)
+	}
+	// Import the blocks
 	for _, block := range blocks {
-		err := chain.Accept(block)
-		require.NoError(err)
+		if _, err := chain.InsertChain([]*types.Block{block}); err != nil {
+			t.Fatalf("block %d: failed to insert into chain: %v", block.NumberU64(), err)
+		}
 	}
-	chain.DrainAcceptorQueue()
-
-	chain.Stop()
-	check(nil, chain) // check all indices has been indexed
+}
 
-	lastAcceptedHash := chain.CurrentHeader().Hash()
+// TestTransientStorageReset ensures the transient storage is wiped correctly
+// between transactions.
+func TestTransientStorageReset(t *testing.T) {
+	var (
+		engine      = dummy.NewFaker()
+		key, _      = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
+		address     = crypto.PubkeyToAddress(key.PublicKey)
+		destAddress = crypto.CreateAddress(address, 0)
+		funds       = big.NewInt(params.Ether) // Note: additional funds are provided here compared to go-ethereum so test completes.
+		vmConfig    = vm.Config{
+			ExtraEips: []int{1153}, // Enable transient storage EIP
+		}
+	)
+	code := append([]byte{
+		// TLoad value with location 1
+		byte(vm.PUSH1), 0x1,
+		byte(vm.TLOAD),
+
+		// PUSH location
+		byte(vm.PUSH1), 0x1,
+
+		// SStore location:value
+		byte(vm.SSTORE),
+	}, make([]byte, 32-6)...)
+	initCode := []byte{
+		// TSTORE 1:1
+		byte(vm.PUSH1), 0x1,
+		byte(vm.PUSH1), 0x1,
+		byte(vm.TSTORE),
+
+		// Get the runtime-code on the stack
+		byte(vm.PUSH32)}
+	initCode = append(initCode, code...)
+	initCode = append(initCode, []byte{
+		byte(vm.PUSH1), 0x0, // offset
+		byte(vm.MSTORE),
+		byte(vm.PUSH1), 0x6, // size
+		byte(vm.PUSH1), 0x0, // offset
+		byte(vm.RETURN), // return 6 bytes of zero-code
+	}...)
+	gspec := &Genesis{
+		Config: params.TestChainConfig,
+		Alloc: GenesisAlloc{
+			address: {Balance: funds},
+		},
+	}
+	nonce := uint64(0)
+	signer := types.HomesteadSigner{}
+	_, blocks, _, _ := GenerateChainWithGenesis(gspec, engine, 1, 10, func(i int, b *BlockGen) {
+		fee := big.NewInt(1)
+		if b.header.BaseFee != nil {
+			fee = b.header.BaseFee
+		}
+		b.SetCoinbase(common.Address{1})
+		tx, _ := types.SignNewTx(key, signer, &types.LegacyTx{
+			Nonce:    nonce,
+			GasPrice: new(big.Int).Set(fee),
+			Gas:      100000,
+			Data:     initCode,
+		})
+		nonce++
+		b.AddTxWithVMConfig(tx, vmConfig)
+
+		tx, _ = types.SignNewTx(key, signer, &types.LegacyTx{
+			Nonce:    nonce,
+			GasPrice: new(big.Int).Set(fee),
+			Gas:      100000,
+			To:       &destAddress,
+		})
+		b.AddTxWithVMConfig(tx, vmConfig)
+		nonce++
+	})
 
-	// Reconstruct a block chain which only reserves limited tx indices
-	// 128 blocks were previously indexed. Now we add a new block at each test step.
-	limit := []uint64{130 /* 129 + 1 reserve all */, 64 /* drop stale */, 32 /* shorten history */}
-	tails := []uint64{0 /* reserve all */, 67 /* 130 - 64 + 1 */, 100 /* 131 - 32 + 1 */}
-	for i, l := range limit {
-		conf.TxLookupLimit = l
+	// Initialize the blockchain with 1153 enabled.
+	chain, err := NewBlockChain(rawdb.NewMemoryDatabase(), DefaultCacheConfig, gspec, engine, vmConfig, common.Hash{}, false)
+	if err != nil {
+		t.Fatalf("failed to create tester chain: %v", err)
+	}
+	// Import the blocks
+	if _, err := chain.InsertChain(blocks); err != nil {
+		t.Fatalf("failed to insert into chain: %v", err)
+	}
+	// Check the storage
+	state, err := chain.StateAt(chain.CurrentHeader().Root)
+	if err != nil {
+		t.Fatalf("Failed to load state %v", err)
+	}
+	loc := common.BytesToHash([]byte{1})
+	slot := state.GetState(destAddress, loc)
+	if slot != (common.Hash{}) {
+		t.Fatalf("Unexpected dirty storage slot")
+	}
+}
 
-		chain, err := createBlockChain(chainDB, conf, gspec.Config, lastAcceptedHash)
-		require.NoError(err)
+func TestEIP3651(t *testing.T) {
+	var (
+		aa     = common.HexToAddress("0x000000000000000000000000000000000000aaaa")
+		bb     = common.HexToAddress("0x000000000000000000000000000000000000bbbb")
+		engine = dummy.NewCoinbaseFaker()
 
-		newBlks := blocks2[i : i+1]
-		_, err = chain.InsertChain(newBlks) // Feed chain a higher block to trigger indices updater.
-		require.NoError(err)
+		// A sender who makes transactions, has some funds
+		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
+		key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
+		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
+		addr2   = crypto.PubkeyToAddress(key2.PublicKey)
+		funds   = new(big.Int).Mul(common.Big1, big.NewInt(params.Ether))
+		gspec   = &Genesis{
+			Config: params.TestChainConfig,
+			Alloc: GenesisAlloc{
+				addr1: {Balance: funds},
+				addr2: {Balance: funds},
+				// The address 0xAAAA sloads 0x00 and 0x01
+				aa: {
+					Code: []byte{
+						byte(vm.PC),
+						byte(vm.PC),
+						byte(vm.SLOAD),
+						byte(vm.SLOAD),
+					},
+					Nonce:   0,
+					Balance: big.NewInt(0),
+				},
+				// The address 0xBBBB calls 0xAAAA
+				bb: {
+					Code: []byte{
+						byte(vm.PUSH1), 0, // out size
+						byte(vm.DUP1),  // out offset
+						byte(vm.DUP1),  // out insize
+						byte(vm.DUP1),  // in offset
+						byte(vm.PUSH2), // address
+						byte(0xaa),
+						byte(0xaa),
+						byte(vm.GAS), // gas
+						byte(vm.DELEGATECALL),
+					},
+					Nonce:   0,
+					Balance: big.NewInt(0),
+				},
+			},
+		}
+	)
 
-		err = chain.Accept(newBlks[0]) // Accept the block to trigger indices updater.
-		require.NoError(err)
+	signer := types.LatestSigner(gspec.Config)
+
+	_, blocks, _, _ := GenerateChainWithGenesis(gspec, engine, 1, 10, func(i int, b *BlockGen) {
+		b.SetCoinbase(aa)
+		// One transaction to Coinbase
+		txdata := &types.DynamicFeeTx{
+			ChainID:    gspec.Config.ChainID,
+			Nonce:      0,
+			To:         &bb,
+			Gas:        500000,
+			GasFeeCap:  newGwei(225),
+			GasTipCap:  big.NewInt(2),
+			AccessList: nil,
+			Data:       []byte{},
+		}
+		tx := types.NewTx(txdata)
+		tx, _ = types.SignTx(tx, signer, key1)
 
-		chain.DrainAcceptorQueue()
-		time.Sleep(50 * time.Millisecond) // Wait for indices initialisation
+		b.AddTx(tx)
+	})
+	chain, err := NewBlockChain(rawdb.NewMemoryDatabase(), DefaultCacheConfig, gspec, engine, vm.Config{Tracer: logger.NewMarkdownLogger(&logger.Config{}, os.Stderr)}, common.Hash{}, false)
+	if err != nil {
+		t.Fatalf("failed to create tester chain: %v", err)
+	}
+	if n, err := chain.InsertChain(blocks); err != nil {
+		t.Fatalf("block %d: failed to insert into chain: %v", n, err)
+	}
 
-		chain.Stop()
-		check(&tails[i], chain)
+	block := chain.GetBlockByNumber(1)
 
-		lastAcceptedHash = chain.CurrentHeader().Hash()
+	// 1+2: Ensure EIP-1559 access lists are accounted for via gas usage.
+	innerGas := vm.GasQuickStep*2 + params.ColdSloadCostEIP2929*2
+	expectedGas := params.TxGas + 5*vm.GasFastestStep + vm.GasQuickStep + 100 + innerGas // 100 because 0xaaaa is in access list
+	if block.GasUsed() != expectedGas {
+		t.Fatalf("incorrect amount of gas spent: expected %d, got %d", expectedGas, block.GasUsed())
 	}
-}
 
-func TestTxLookupBlockChain(t *testing.T) {
-	cacheConf := &CacheConfig{
-		TrieCleanLimit:        256,
-		TrieDirtyLimit:        256,
-		TrieDirtyCommitTarget: 20,
-		Pruning:               true,
-		CommitInterval:        4096,
-		SnapshotLimit:         256,
-		SkipSnapshotRebuild:   true, // Ensure the test errors if snapshot initialization fails
-		AcceptorQueueLimit:    64,   // ensure channel doesn't block
-		TxLookupLimit:         5,
+	state, _ := chain.State()
+
+	// 3: Ensure that miner received the gasUsed * (block baseFee + effectiveGasTip).
+	// Note this differs from go-ethereum where the miner receives the gasUsed * block baseFee,
+	// as our handling of the coinbase payment is different.
+	// Note we use block.GasUsed() here as there is only one tx.
+	actual := state.GetBalance(block.Coinbase())
+	tx := block.Transactions()[0]
+	gasPrice := new(big.Int).Add(block.BaseFee(), tx.EffectiveGasTipValue(block.BaseFee()))
+	expected := new(big.Int).SetUint64(block.GasUsed() * gasPrice.Uint64())
+	if actual.Cmp(expected) != 0 {
+		t.Fatalf("miner balance incorrect: expected %d, got %d", expected, actual)
 	}
-	createTxLookupBlockChain := func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error) {
-		return createBlockChain(db, cacheConf, chainConfig, lastAcceptedHash)
-	}
-	for _, tt := range tests {
-		t.Run(tt.Name, func(t *testing.T) {
-			tt.testFunc(t, createTxLookupBlockChain)
-		})
+
+	// 4: Ensure the tx sender paid for the gasUsed * (block baseFee + effectiveGasTip).
+	// Note this differs from go-ethereum where the miner receives the gasUsed * block baseFee,
+	// as our handling of the coinbase payment is different.
+	actual = new(big.Int).Sub(funds, state.GetBalance(addr1))
+	if actual.Cmp(expected) != 0 {
+		t.Fatalf("sender balance incorrect: expected %d, got %d", expected, actual)
 	}
 }
diff --git a/core/bloombits/generator_test.go b/core/bloombits/generator_test.go
index 5fe59c4109..6dfacc763d 100644
--- a/core/bloombits/generator_test.go
+++ b/core/bloombits/generator_test.go
@@ -28,6 +28,7 @@ package bloombits
 
 import (
 	"bytes"
+	crand "crypto/rand"
 	"math/rand"
 	"testing"
 
@@ -88,7 +89,7 @@ func BenchmarkGenerator(b *testing.B) {
 		}
 	})
 	for i := 0; i < types.BloomBitLength; i++ {
-		rand.Read(input[i][:])
+		crand.Read(input[i][:])
 	}
 	b.Run("random", func(b *testing.B) {
 		b.ReportAllocs()
diff --git a/core/bloombits/matcher.go b/core/bloombits/matcher.go
index 07e4dc64a2..a979ffb3ef 100644
--- a/core/bloombits/matcher.go
+++ b/core/bloombits/matcher.go
@@ -622,7 +622,7 @@ func (s *MatcherSession) Multiplex(batch int, wait time.Duration, mux chan chan
 				return
 
 			case <-time.After(wait):
-				// Throttling up, fetch whatever's available
+				// Throttling up, fetch whatever is available
 			}
 		}
 		// Allocate as much as we can handle and request servicing
diff --git a/core/bloombits/scheduler_test.go b/core/bloombits/scheduler_test.go
index bbe149f49a..708128d32b 100644
--- a/core/bloombits/scheduler_test.go
+++ b/core/bloombits/scheduler_test.go
@@ -29,11 +29,9 @@ package bloombits
 import (
 	"bytes"
 	"math/big"
-	"math/rand"
 	"sync"
 	"sync/atomic"
 	"testing"
-	"time"
 )
 
 // Tests that the scheduler can deduplicate and forward retrieval requests to
@@ -63,7 +61,6 @@ func testScheduler(t *testing.T, clients int, fetchers int, requests int) {
 			defer fetchPend.Done()
 
 			for req := range fetch {
-				time.Sleep(time.Duration(rand.Intn(int(100 * time.Microsecond))))
 				atomic.AddUint32(&delivered, 1)
 
 				f.deliver([]uint64{
diff --git a/core/chain_makers.go b/core/chain_makers.go
index a441183ac3..038a29303d 100644
--- a/core/chain_makers.go
+++ b/core/chain_makers.go
@@ -34,11 +34,13 @@ import (
 	"github.com/ava-labs/subnet-evm/consensus"
 	"github.com/ava-labs/subnet-evm/consensus/dummy"
 	"github.com/ava-labs/subnet-evm/constants"
+	"github.com/ava-labs/subnet-evm/core/rawdb"
 	"github.com/ava-labs/subnet-evm/core/state"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/core/vm"
 	"github.com/ava-labs/subnet-evm/ethdb"
 	"github.com/ava-labs/subnet-evm/params"
+	"github.com/ava-labs/subnet-evm/trie"
 	"github.com/ethereum/go-ethereum/common"
 )
 
@@ -91,6 +93,26 @@ func (b *BlockGen) SetDifficulty(diff *big.Int) {
 	b.header.Difficulty = diff
 }
 
+// addTx adds a transaction to the generated block. If no coinbase has
+// been set, the block's coinbase is set to the zero address.
+//
+// There are a few options can be passed as well in order to run some
+// customized rules.
+// - bc:       enables the ability to query historical block hashes for BLOCKHASH
+// - vmConfig: extends the flexibility for customizing evm rules, e.g. enable extra EIPs
+func (b *BlockGen) addTx(bc *BlockChain, vmConfig vm.Config, tx *types.Transaction) {
+	if b.gasPool == nil {
+		b.SetCoinbase(common.Address{})
+	}
+	b.statedb.SetTxContext(tx.Hash(), len(b.txs))
+	receipt, err := ApplyTransaction(b.config, bc, &b.header.Coinbase, b.gasPool, b.statedb, b.header, tx, &b.header.GasUsed, vmConfig)
+	if err != nil {
+		panic(err)
+	}
+	b.txs = append(b.txs, tx)
+	b.receipts = append(b.receipts, receipt)
+}
+
 // AddTx adds a transaction to the generated block. If no coinbase has
 // been set, the block's coinbase is set to the zero address.
 //
@@ -100,7 +122,7 @@ func (b *BlockGen) SetDifficulty(diff *big.Int) {
 // added. Notably, contract code relying on the BLOCKHASH instruction
 // will panic during execution.
 func (b *BlockGen) AddTx(tx *types.Transaction) {
-	b.AddTxWithChain(nil, tx)
+	b.addTx(nil, vm.Config{}, tx)
 }
 
 // AddTxWithChain adds a transaction to the generated block. If no coinbase has
@@ -112,16 +134,14 @@ func (b *BlockGen) AddTx(tx *types.Transaction) {
 // added. If contract code relies on the BLOCKHASH instruction,
 // the block in chain will be returned.
 func (b *BlockGen) AddTxWithChain(bc *BlockChain, tx *types.Transaction) {
-	if b.gasPool == nil {
-		b.SetCoinbase(common.Address{})
-	}
-	b.statedb.Prepare(tx.Hash(), len(b.txs))
-	receipt, err := ApplyTransaction(b.config, bc, &b.header.Coinbase, b.gasPool, b.statedb, b.header, tx, &b.header.GasUsed, vm.Config{})
-	if err != nil {
-		panic(err)
-	}
-	b.txs = append(b.txs, tx)
-	b.receipts = append(b.receipts, receipt)
+	b.addTx(bc, vm.Config{}, tx)
+}
+
+// AddTxWithVMConfig adds a transaction to the generated block. If no coinbase has
+// been set, the block's coinbase is set to the zero address.
+// The evm interpreter can be customized with the provided vm config.
+func (b *BlockGen) AddTxWithVMConfig(tx *types.Transaction, config vm.Config) {
+	b.addTx(nil, config, tx)
 }
 
 // GetBalance returns the balance of the given address at the generated block.
@@ -143,6 +163,11 @@ func (b *BlockGen) Number() *big.Int {
 	return new(big.Int).Set(b.header.Number)
 }
 
+// Timestamp returns the timestamp of the block being generated.
+func (b *BlockGen) Timestamp() uint64 {
+	return b.header.Time
+}
+
 // BaseFee returns the EIP-1559 base fee of the block being generated.
 func (b *BlockGen) BaseFee() *big.Int {
 	return new(big.Int).Set(b.header.BaseFee)
@@ -239,7 +264,7 @@ func GenerateChain(config *params.ChainConfig, parent *types.Block, engine conse
 			if err != nil {
 				panic(fmt.Sprintf("state write error: %v", err))
 			}
-			if err := statedb.Database().TrieDB().Commit(root, false, nil); err != nil {
+			if err := statedb.Database().TrieDB().Commit(root, false); err != nil {
 				panic(fmt.Sprintf("trie write error: %v", err))
 			}
 			if b.onBlockGenerated != nil {
@@ -265,6 +290,19 @@ func GenerateChain(config *params.ChainConfig, parent *types.Block, engine conse
 	return blocks, receipts, nil
 }
 
+// GenerateChainWithGenesis is a wrapper of GenerateChain which will initialize
+// genesis block to database first according to the provided genesis specification
+// then generate chain on top.
+func GenerateChainWithGenesis(genesis *Genesis, engine consensus.Engine, n int, gap uint64, gen func(int, *BlockGen)) (ethdb.Database, []*types.Block, []types.Receipts, error) {
+	db := rawdb.NewMemoryDatabase()
+	_, err := genesis.Commit(db, trie.NewDatabase(db))
+	if err != nil {
+		return nil, nil, nil, err
+	}
+	blocks, receipts, err := GenerateChain(genesis.Config, genesis.ToBlock(), engine, db, n, gap, gen)
+	return db, blocks, receipts, err
+}
+
 func makeHeader(chain consensus.ChainReader, config *params.ChainConfig, parent *types.Block, gap uint64, state *state.StateDB, engine consensus.Engine) *types.Header {
 	var time uint64
 	if parent.Time() == 0 {
@@ -287,8 +325,7 @@ func makeHeader(chain consensus.ChainReader, config *params.ChainConfig, parent
 		Time:   time,
 	}
 
-	timestamp := new(big.Int).SetUint64(time)
-	if chain.Config().IsSubnetEVM(timestamp) {
+	if chain.Config().IsSubnetEVM(time) {
 		feeConfig, _, err := chain.GetFeeConfigAt(parent.Header())
 		if err != nil {
 			panic(err)
diff --git a/core/chain_makers_test.go b/core/chain_makers_test.go
index cc3543c2b8..d322550790 100644
--- a/core/chain_makers_test.go
+++ b/core/chain_makers_test.go
@@ -55,13 +55,12 @@ func ExampleGenerateChain() {
 		Config: &params.ChainConfig{HomesteadBlock: new(big.Int)},
 		Alloc:  GenesisAlloc{addr1: {Balance: big.NewInt(1000000)}},
 	}
-	genesis := gspec.MustCommit(db)
 
 	// This call generates a chain of 3 blocks. The function runs for
 	// each block and adds different features to gen based on the
 	// block index.
 	signer := types.HomesteadSigner{}
-	chain, _, err := GenerateChain(gspec.Config, genesis, dummy.NewCoinbaseFaker(), db, 3, 10, func(i int, gen *BlockGen) {
+	_, chain, _, err := GenerateChainWithGenesis(gspec, dummy.NewCoinbaseFaker(), 3, 10, func(i int, gen *BlockGen) {
 		switch i {
 		case 0:
 			// In block 1, addr1 sends addr2 some ether.
@@ -82,7 +81,7 @@ func ExampleGenerateChain() {
 	}
 
 	// Import the chain. This runs all block validation rules.
-	blockchain, _ := NewBlockChain(db, DefaultCacheConfig, gspec.Config, dummy.NewCoinbaseFaker(), vm.Config{}, common.Hash{})
+	blockchain, _ := NewBlockChain(db, DefaultCacheConfig, gspec, dummy.NewCoinbaseFaker(), vm.Config{}, common.Hash{}, false)
 	defer blockchain.Stop()
 
 	if i, err := blockchain.InsertChain(chain); err != nil {
@@ -91,7 +90,7 @@ func ExampleGenerateChain() {
 	}
 
 	state, _ := blockchain.State()
-	fmt.Printf("last block: #%d\n", blockchain.CurrentBlock().Number())
+	fmt.Printf("last block: #%d\n", blockchain.CurrentBlock().Number)
 	fmt.Println("balance of addr1:", state.GetBalance(addr1))
 	fmt.Println("balance of addr2:", state.GetBalance(addr2))
 	fmt.Println("balance of addr3:", state.GetBalance(addr3))
diff --git a/core/error.go b/core/error.go
index 1b2dd29476..bc519410c0 100644
--- a/core/error.go
+++ b/core/error.go
@@ -68,6 +68,10 @@ var (
 	// have enough funds for transfer(topmost call only).
 	ErrInsufficientFundsForTransfer = errors.New("insufficient funds for transfer")
 
+	// ErrMaxInitCodeSizeExceeded is returned if creation transaction provides the init code bigger
+	// than init code size limit.
+	ErrMaxInitCodeSizeExceeded = errors.New("max initcode size exceeded")
+
 	// ErrInsufficientFunds is returned if the total cost of executing a transaction
 	// is higher than the balance of the user's account.
 	ErrInsufficientFunds = errors.New("insufficient funds for gas * price + value")
@@ -96,7 +100,7 @@ var (
 	ErrFeeCapVeryHigh = errors.New("max fee per gas higher than 2^256-1")
 
 	// ErrFeeCapTooLow is returned if the transaction fee cap is less than the
-	// the base fee of the block.
+	// base fee of the block.
 	ErrFeeCapTooLow = errors.New("max fee per gas less than block base fee")
 
 	// ErrSenderNoEOA is returned if the sender of a transaction is a contract.
diff --git a/core/events.go b/core/events.go
index 3eba9a01bf..6544585c2a 100644
--- a/core/events.go
+++ b/core/events.go
@@ -36,7 +36,7 @@ type NewTxsEvent struct{ Txs []*types.Transaction }
 
 // NewTxPoolHeadEvent is posted when the pool receives a request to update
 // its head to [Block].
-type NewTxPoolHeadEvent struct{ Block *types.Block }
+type NewTxPoolHeadEvent struct{ Head *types.Header }
 
 // NewTxPoolReorgEvent is posted when the pool head is updated.
 type NewTxPoolReorgEvent struct{ Head *types.Header }
diff --git a/core/evm.go b/core/evm.go
index 13785794a9..d00625c918 100644
--- a/core/evm.go
+++ b/core/evm.go
@@ -33,6 +33,7 @@ import (
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/core/vm"
 	"github.com/ethereum/go-ethereum/common"
+	//"github.com/ethereum/go-ethereum/log"
 )
 
 // ChainContext supports retrieving headers and consensus parameters from the
@@ -67,7 +68,7 @@ func NewEVMBlockContext(header *types.Header, chain ChainContext, author *common
 		GetHash:     GetHashFn(header, chain),
 		Coinbase:    beneficiary,
 		BlockNumber: new(big.Int).Set(header.Number),
-		Time:        new(big.Int).SetUint64(header.Time),
+		Time:        header.Time,
 		Difficulty:  new(big.Int).Set(header.Difficulty),
 		BaseFee:     baseFee,
 		GasLimit:    header.GasLimit,
@@ -75,10 +76,10 @@ func NewEVMBlockContext(header *types.Header, chain ChainContext, author *common
 }
 
 // NewEVMTxContext creates a new transaction context for a single transaction.
-func NewEVMTxContext(msg Message) vm.TxContext {
+func NewEVMTxContext(msg *Message) vm.TxContext {
 	return vm.TxContext{
-		Origin:   msg.From(),
-		GasPrice: new(big.Int).Set(msg.GasPrice()),
+		Origin:   msg.From,
+		GasPrice: new(big.Int).Set(msg.GasPrice),
 	}
 }
 
diff --git a/core/gaspool.go b/core/gaspool.go
index b2091b88e6..a5c6be1c44 100644
--- a/core/gaspool.go
+++ b/core/gaspool.go
@@ -59,6 +59,11 @@ func (gp *GasPool) Gas() uint64 {
 	return uint64(*gp)
 }
 
+// SetGas sets the amount of gas with the provided number.
+func (gp *GasPool) SetGas(gas uint64) {
+	*(*uint64)(gp) = gas
+}
+
 func (gp *GasPool) String() string {
 	return fmt.Sprintf("%d", *gp)
 }
diff --git a/core/genesis.go b/core/genesis.go
index 07a0ac1bc0..db52a157d7 100644
--- a/core/genesis.go
+++ b/core/genesis.go
@@ -140,7 +140,6 @@ func (h *storageJSON) UnmarshalText(text []byte) error {
 	}
 	offset := len(h) - len(text)/2 // pad on the left
 	if _, err := hex.Decode(h[offset:], text); err != nil {
-		fmt.Println(err)
 		return fmt.Errorf("invalid hex storage key/value %q", text)
 	}
 	return nil
@@ -176,54 +175,45 @@ func (e *GenesisMismatchError) Error() string {
 // specify a fork block below the local head block). In case of a conflict, the
 // error is a *params.ConfigCompatError and the new, unwritten config is returned.
 func SetupGenesisBlock(
-	db ethdb.Database, genesis *Genesis, lastAcceptedHash common.Hash, skipChainConfigCheckCompatible bool,
-) (*params.ChainConfig, error) {
+	db ethdb.Database, triedb *trie.Database, genesis *Genesis, lastAcceptedHash common.Hash, skipChainConfigCheckCompatible bool,
+) (*params.ChainConfig, common.Hash, error) {
 	if genesis == nil {
-		return nil, ErrNoGenesis
+		return nil, common.Hash{}, ErrNoGenesis
 	}
 	if genesis.Config == nil {
-		return nil, errGenesisNoConfig
-	}
-	// Make sure genesis gas limit is consistent in SubnetEVM fork
-	gasLimitConfig := genesis.Config.FeeConfig.GasLimit.Uint64()
-	if gasLimitConfig != genesis.GasLimit {
-		return nil, fmt.Errorf("gas limit in fee config (%d) does not match gas limit in header (%d)", gasLimitConfig, genesis.GasLimit)
+		return nil, common.Hash{}, errGenesisNoConfig
 	}
 
-	// Verify config
-	if err := genesis.Config.Verify(); err != nil {
-		return nil, err
-	}
 	// Just commit the new block if there is no stored genesis block.
 	stored := rawdb.ReadCanonicalHash(db, 0)
 	if (stored == common.Hash{}) {
 		log.Info("Writing genesis to database")
-		_, err := genesis.Commit(db)
+		block, err := genesis.Commit(db, triedb)
 		if err != nil {
-			return genesis.Config, err
+			return genesis.Config, common.Hash{}, err
 		}
-		return genesis.Config, nil
+		return genesis.Config, block.Hash(), nil
 	}
 	// We have the genesis block in database but the corresponding state is missing.
 	header := rawdb.ReadHeader(db, stored, 0)
-	if _, err := state.New(header.Root, state.NewDatabase(db), nil); err != nil {
+	if header.Root != types.EmptyRootHash && !rawdb.HasLegacyTrieNode(db, header.Root) {
 		// Ensure the stored genesis matches with the given one.
-		hash := genesis.ToBlock(nil).Hash()
+		hash := genesis.ToBlock().Hash()
 		if hash != stored {
-			return genesis.Config, &GenesisMismatchError{stored, hash}
+			return genesis.Config, common.Hash{}, &GenesisMismatchError{stored, hash}
 		}
-		_, err := genesis.Commit(db)
-		return genesis.Config, err
+		_, err := genesis.Commit(db, triedb)
+		return genesis.Config, common.Hash{}, err
 	}
 	// Check whether the genesis block is already written.
-	hash := genesis.ToBlock(nil).Hash()
+	hash := genesis.ToBlock().Hash()
 	if hash != stored {
-		return genesis.Config, &GenesisMismatchError{stored, hash}
+		return genesis.Config, common.Hash{}, &GenesisMismatchError{stored, hash}
 	}
 	// Get the existing chain configuration.
 	newcfg := genesis.Config
 	if err := newcfg.CheckConfigForkOrder(); err != nil {
-		return newcfg, err
+		return newcfg, common.Hash{}, err
 	}
 	storedcfg := rawdb.ReadChainConfig(db, stored)
 	// If there is no previously stored chain config, write the chain config to disk.
@@ -231,12 +221,11 @@ func SetupGenesisBlock(
 		// Note: this can happen since we did not previously write the genesis block and chain config in the same batch.
 		log.Warn("Found genesis block without chain config")
 		rawdb.WriteChainConfig(db, stored, newcfg)
-		return newcfg, nil
+		return newcfg, stored, nil
 	}
-
+	storedData, _ := json.Marshal(storedcfg)
 	// Check config compatibility and write the config. Compatibility errors
 	// are returned to the caller unless we're already at block zero.
-
 	// we use last accepted block for cfg compatibility check. Note this allows
 	// the node to continue if it previously halted due to attempting to process blocks with
 	// an incorrect chain config.
@@ -245,30 +234,35 @@ func SetupGenesisBlock(
 	// when we start syncing from scratch, the last accepted block
 	// will be genesis block
 	if lastBlock == nil {
-		return newcfg, fmt.Errorf("missing last accepted block")
+		return newcfg, common.Hash{}, fmt.Errorf("missing last accepted block")
 	}
-
 	height := lastBlock.NumberU64()
 	timestamp := lastBlock.Time()
 	if skipChainConfigCheckCompatible {
 		log.Info("skipping verifying activated network upgrades on chain config")
 	} else {
 		compatErr := storedcfg.CheckCompatible(newcfg, height, timestamp)
-		if compatErr != nil && height != 0 && compatErr.RewindTo != 0 {
-			return newcfg, compatErr
+		if compatErr != nil && ((height != 0 && compatErr.RewindToBlock != 0) || (timestamp != 0 && compatErr.RewindToTime != 0)) {
+			return newcfg, stored, compatErr
 		}
 	}
-	rawdb.WriteChainConfig(db, stored, newcfg)
-	return newcfg, nil
+	// Don't overwrite if the old is identical to the new
+	if newData, _ := json.Marshal(newcfg); !bytes.Equal(storedData, newData) {
+		rawdb.WriteChainConfig(db, stored, newcfg)
+	}
+	return newcfg, stored, nil
 }
 
 // ToBlock creates the genesis block and writes state of a genesis specification
 // to the given database (or discards it if nil).
-func (g *Genesis) ToBlock(db ethdb.Database) *types.Block {
-	if db == nil {
-		db = rawdb.NewMemoryDatabase()
-	}
-	statedb, err := state.New(common.Hash{}, state.NewDatabase(db), nil)
+func (g *Genesis) ToBlock() *types.Block {
+	db := rawdb.NewMemoryDatabase()
+	return g.toBlock(db, trie.NewDatabase(db))
+}
+
+// TODO: migrate this function to "flush" for more similarity with upstream.
+func (g *Genesis) toBlock(db ethdb.Database, triedb *trie.Database) *types.Block {
+	statedb, err := state.New(common.Hash{}, state.NewDatabaseWithNodeDB(db, triedb), nil)
 	if err != nil {
 		panic(err)
 	}
@@ -331,7 +325,7 @@ func (g *Genesis) ToBlock(db ethdb.Database) *types.Block {
 	if g.Difficulty == nil {
 		head.Difficulty = params.GenesisDifficulty
 	}
-	if g.Config != nil && g.Config.IsSubnetEVM(common.Big0) {
+	if g.Config != nil && g.Config.IsSubnetEVM(0) {
 		if g.BaseFee != nil {
 			head.BaseFee = g.BaseFee
 		} else {
@@ -339,17 +333,19 @@ func (g *Genesis) ToBlock(db ethdb.Database) *types.Block {
 		}
 	}
 	statedb.Commit(false, false)
-	if err := statedb.Database().TrieDB().Commit(root, true, nil); err != nil {
-		panic(fmt.Sprintf("unable to commit genesis block: %v", err))
+	// Commit newly generated states into disk if it's not empty.
+	if root != types.EmptyRootHash {
+		if err := triedb.Commit(root, true); err != nil {
+			panic(fmt.Sprintf("unable to commit genesis block: %v", err))
+		}
 	}
-
 	return types.NewBlock(head, nil, nil, nil, trie.NewStackTrie(nil))
 }
 
 // Commit writes the block and state of a genesis specification to the database.
 // The block is committed as the canonical head block.
-func (g *Genesis) Commit(db ethdb.Database) (*types.Block, error) {
-	block := g.ToBlock(db)
+func (g *Genesis) Commit(db ethdb.Database, triedb *trie.Database) (*types.Block, error) {
+	block := g.toBlock(db, triedb)
 	if block.Number().Sign() != 0 {
 		return nil, errors.New("can't commit genesis block with number > 0")
 	}
@@ -375,20 +371,39 @@ func (g *Genesis) Commit(db ethdb.Database) (*types.Block, error) {
 
 // MustCommit writes the genesis block and state to db, panicking on error.
 // The block is committed as the canonical head block.
+// Note the state changes will be committed in hash-based scheme, use Commit
+// if path-scheme is preferred.
 func (g *Genesis) MustCommit(db ethdb.Database) *types.Block {
-	block, err := g.Commit(db)
+	block, err := g.Commit(db, trie.NewDatabase(db))
 	if err != nil {
 		panic(err)
 	}
 	return block
 }
 
+func (g *Genesis) Verify() error {
+	// Make sure genesis gas limit is consistent
+	gasLimitConfig := g.Config.FeeConfig.GasLimit.Uint64()
+	if gasLimitConfig != g.GasLimit {
+		return fmt.Errorf(
+			"gas limit in fee config (%d) does not match gas limit in header (%d)",
+			gasLimitConfig,
+			g.GasLimit,
+		)
+	}
+	// Verify config
+	if err := g.Config.Verify(); err != nil {
+		return err
+	}
+	return nil
+}
+
 // GenesisBlockForTesting creates and writes a block in which addr has the given wei balance.
 func GenesisBlockForTesting(db ethdb.Database, addr common.Address, balance *big.Int) *types.Block {
 	g := Genesis{
 		Config:  params.TestChainConfig,
 		Alloc:   GenesisAlloc{addr: {Balance: balance}},
-		BaseFee: new(big.Int).Set(params.TestMaxBaseFee),
+		BaseFee: big.NewInt(params.TestMaxBaseFee),
 	}
 	return g.MustCommit(db)
 }
diff --git a/core/genesis_test.go b/core/genesis_test.go
index 90ecc54984..22c96d34a2 100644
--- a/core/genesis_test.go
+++ b/core/genesis_test.go
@@ -40,16 +40,16 @@ import (
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ava-labs/subnet-evm/precompile/allowlist"
 	"github.com/ava-labs/subnet-evm/precompile/contracts/deployerallowlist"
+	"github.com/ava-labs/subnet-evm/trie"
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/davecgh/go-spew/spew"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
-func setupGenesisBlock(db ethdb.Database, genesis *Genesis, lastAcceptedHash common.Hash) (*params.ChainConfig, common.Hash, error) {
-	conf, err := SetupGenesisBlock(db, genesis, lastAcceptedHash, false)
-	stored := rawdb.ReadCanonicalHash(db, 0)
-	return conf, stored, err
+func setupGenesisBlock(db ethdb.Database, triedb *trie.Database, genesis *Genesis, lastAcceptedHash common.Hash) (*params.ChainConfig, common.Hash, error) {
+	return SetupGenesisBlock(db, triedb, genesis, lastAcceptedHash, false)
 }
 
 func TestGenesisBlockForTesting(t *testing.T) {
@@ -62,7 +62,7 @@ func TestGenesisBlockForTesting(t *testing.T) {
 
 func TestSetupGenesis(t *testing.T) {
 	preSubnetConfig := *params.TestPreSubnetEVMConfig
-	preSubnetConfig.SubnetEVMTimestamp = big.NewInt(100)
+	preSubnetConfig.SubnetEVMTimestamp = utils.NewUint64(100)
 	var (
 		customghash = common.HexToHash("0x4a12fe7bf8d40d152d7e9de22337b115186a4662aa3a97217b36146202bbfc66")
 		customg     = Genesis{
@@ -76,7 +76,7 @@ func TestSetupGenesis(t *testing.T) {
 	)
 
 	rollbackpreSubnetConfig := preSubnetConfig
-	rollbackpreSubnetConfig.SubnetEVMTimestamp = big.NewInt(90)
+	rollbackpreSubnetConfig.SubnetEVMTimestamp = utils.NewUint64(90)
 	oldcustomg.Config = &rollbackpreSubnetConfig
 	tests := []struct {
 		name       string
@@ -88,7 +88,7 @@ func TestSetupGenesis(t *testing.T) {
 		{
 			name: "genesis without ChainConfig",
 			fn: func(db ethdb.Database) (*params.ChainConfig, common.Hash, error) {
-				return setupGenesisBlock(db, new(Genesis), common.Hash{})
+				return setupGenesisBlock(db, trie.NewDatabase(db), new(Genesis), common.Hash{})
 			},
 			wantErr:    errGenesisNoConfig,
 			wantConfig: nil,
@@ -96,7 +96,7 @@ func TestSetupGenesis(t *testing.T) {
 		{
 			name: "no block in DB, genesis == nil",
 			fn: func(db ethdb.Database) (*params.ChainConfig, common.Hash, error) {
-				return setupGenesisBlock(db, nil, common.Hash{})
+				return setupGenesisBlock(db, trie.NewDatabase(db), nil, common.Hash{})
 			},
 			wantErr:    ErrNoGenesis,
 			wantConfig: nil,
@@ -105,17 +105,16 @@ func TestSetupGenesis(t *testing.T) {
 			name: "custom block in DB, genesis == nil",
 			fn: func(db ethdb.Database) (*params.ChainConfig, common.Hash, error) {
 				customg.MustCommit(db)
-				return setupGenesisBlock(db, nil, common.Hash{})
+				return setupGenesisBlock(db, trie.NewDatabase(db), nil, common.Hash{})
 			},
 			wantErr:    ErrNoGenesis,
-			wantHash:   customghash,
 			wantConfig: nil,
 		},
 		{
 			name: "compatible config in DB",
 			fn: func(db ethdb.Database) (*params.ChainConfig, common.Hash, error) {
 				oldcustomg.MustCommit(db)
-				return setupGenesisBlock(db, &customg, customghash)
+				return setupGenesisBlock(db, trie.NewDatabase(db), &customg, customghash)
 			},
 			wantHash:   customghash,
 			wantConfig: customg.Config,
@@ -127,12 +126,12 @@ func TestSetupGenesis(t *testing.T) {
 				// Advance to block #4, past the SubnetEVM transition block of customg.
 				genesis := oldcustomg.MustCommit(db)
 
-				bc, _ := NewBlockChain(db, DefaultCacheConfig, oldcustomg.Config, dummy.NewFullFaker(), vm.Config{}, common.Hash{})
+				bc, _ := NewBlockChain(db, DefaultCacheConfig, &oldcustomg, dummy.NewFullFaker(), vm.Config{}, genesis.Hash(), false)
 				defer bc.Stop()
 
 				blocks, _, _ := GenerateChain(oldcustomg.Config, genesis, dummy.NewFullFaker(), db, 4, 25, nil)
 				bc.InsertChain(blocks)
-				bc.CurrentBlock()
+
 				for _, block := range blocks {
 					if err := bc.Accept(block); err != nil {
 						t.Fatal(err)
@@ -140,15 +139,15 @@ func TestSetupGenesis(t *testing.T) {
 				}
 
 				// This should return a compatibility error.
-				return setupGenesisBlock(db, &customg, bc.lastAccepted.Hash())
+				return setupGenesisBlock(db, trie.NewDatabase(db), &customg, bc.lastAccepted.Hash())
 			},
 			wantHash:   customghash,
 			wantConfig: customg.Config,
 			wantErr: &params.ConfigCompatError{
 				What:         "SubnetEVM fork block timestamp",
-				StoredConfig: big.NewInt(90),
-				NewConfig:    big.NewInt(100),
-				RewindTo:     89,
+				StoredTime:   u64(90),
+				NewTime:      u64(100),
+				RewindToTime: 89,
 			},
 		},
 	}
@@ -192,7 +191,7 @@ func TestStatefulPrecompilesConfigure(t *testing.T) {
 			getConfig: func() *params.ChainConfig {
 				config := *params.TestChainConfig
 				config.GenesisPrecompiles = params.Precompiles{
-					deployerallowlist.ConfigKey: deployerallowlist.NewConfig(big.NewInt(0), []common.Address{addr}, nil),
+					deployerallowlist.ConfigKey: deployerallowlist.NewConfig(utils.NewUint64(0), []common.Address{addr}, nil),
 				}
 				return &config
 			},
@@ -215,10 +214,10 @@ func TestStatefulPrecompilesConfigure(t *testing.T) {
 
 			db := rawdb.NewMemoryDatabase()
 
-			genesisBlock := genesis.ToBlock(nil)
+			genesisBlock := genesis.ToBlock()
 			genesisRoot := genesisBlock.Root()
 
-			_, err := SetupGenesisBlock(db, genesis, genesisBlock.Hash(), false)
+			_, _, err := setupGenesisBlock(db, trie.NewDatabase(db), genesis, genesisBlock.Hash())
 			if err != nil {
 				t.Fatal(err)
 			}
@@ -238,20 +237,18 @@ func TestStatefulPrecompilesConfigure(t *testing.T) {
 // regression test for precompile activation after header block
 func TestPrecompileActivationAfterHeaderBlock(t *testing.T) {
 	db := rawdb.NewMemoryDatabase()
-
 	customg := Genesis{
-		Config: params.SubnetEVMDefaultChainConfig,
+		Config: params.TestChainConfig,
 		Alloc: GenesisAlloc{
 			{1}: {Balance: big.NewInt(1), Storage: map[common.Hash]common.Hash{{1}: {1}}},
 		},
-		GasLimit: params.SubnetEVMDefaultChainConfig.FeeConfig.GasLimit.Uint64(),
+		GasLimit: params.TestChainConfig.FeeConfig.GasLimit.Uint64(),
 	}
-	genesis := customg.MustCommit(db)
-	bc, _ := NewBlockChain(db, DefaultCacheConfig, customg.Config, dummy.NewFullFaker(), vm.Config{}, common.Hash{})
+	bc, _ := NewBlockChain(db, DefaultCacheConfig, &customg, dummy.NewFullFaker(), vm.Config{}, common.Hash{}, false)
 	defer bc.Stop()
 
 	// Advance header to block #4, past the ContractDeployerAllowListConfig.
-	blocks, _, _ := GenerateChain(customg.Config, genesis, dummy.NewFullFaker(), db, 4, 25, nil)
+	_, blocks, _, _ := GenerateChainWithGenesis(&customg, dummy.NewFullFaker(), 4, 25, nil)
 
 	require := require.New(t)
 	_, err := bc.InsertChain(blocks)
@@ -265,25 +262,26 @@ func TestPrecompileActivationAfterHeaderBlock(t *testing.T) {
 
 	require.Equal(blocks[1].Hash(), bc.lastAccepted.Hash())
 	// header must be bigger than last accepted
-	require.Greater(block.Time(), bc.lastAccepted.Time())
+	require.Greater(block.Time, bc.lastAccepted.Time())
 
-	activatedGenesis := customg
-	contractDeployerConfig := deployerallowlist.NewConfig(big.NewInt(51), nil, nil)
-	activatedGenesis.Config.UpgradeConfig.PrecompileUpgrades = []params.PrecompileUpgrade{
+	activatedGenesisConfig := *customg.Config
+	contractDeployerConfig := deployerallowlist.NewConfig(utils.NewUint64(51), nil, nil)
+	activatedGenesisConfig.UpgradeConfig.PrecompileUpgrades = []params.PrecompileUpgrade{
 		{
 			Config: contractDeployerConfig,
 		},
 	}
+	customg.Config = &activatedGenesisConfig
 
 	// assert block is after the activation block
-	require.Greater(block.Time(), contractDeployerConfig.Timestamp().Uint64())
+	require.Greater(block.Time, *contractDeployerConfig.Timestamp())
 	// assert last accepted block is before the activation block
-	require.Less(bc.lastAccepted.Time(), contractDeployerConfig.Timestamp().Uint64())
+	require.Less(bc.lastAccepted.Time(), *contractDeployerConfig.Timestamp())
 
 	// This should not return any error since the last accepted block is before the activation block.
-	config, _, err := setupGenesisBlock(db, &activatedGenesis, bc.lastAccepted.Hash())
+	config, _, err := setupGenesisBlock(db, trie.NewDatabase(db), &customg, bc.lastAccepted.Hash())
 	require.NoError(err)
-	if !reflect.DeepEqual(config, activatedGenesis.Config) {
-		t.Errorf("returned %v\nwant     %v", config, activatedGenesis.Config)
+	if !reflect.DeepEqual(config, customg.Config) {
+		t.Errorf("returned %v\nwant     %v", config, customg.Config)
 	}
 }
diff --git a/core/headerchain.go b/core/headerchain.go
index 9f404db426..405b869090 100644
--- a/core/headerchain.go
+++ b/core/headerchain.go
@@ -39,7 +39,7 @@ import (
 	"github.com/ava-labs/subnet-evm/ethdb"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ethereum/go-ethereum/common"
-	lru "github.com/hashicorp/golang-lru"
+	"github.com/ethereum/go-ethereum/common/lru"
 )
 
 const (
@@ -70,10 +70,9 @@ type HeaderChain struct {
 	currentHeader     atomic.Value // Current head of the header chain (may be above the block chain!)
 	currentHeaderHash common.Hash  // Hash of the current head of the header chain (prevent recomputing all the time)
 
-	headerCache         *lru.Cache                       // Cache for the most recent block headers
-	tdCache             *lru.Cache                       // Cache for the most recent block total difficulties
-	numberCache         *lru.Cache                       // Cache for the most recent block numbers
-	acceptedNumberCache FIFOCache[uint64, *types.Header] // Cache for most recent accepted heights to headers (only modified in accept)
+	headerCache         *lru.Cache[common.Hash, *types.Header]
+	numberCache         *lru.Cache[common.Hash, uint64]  // most recent block numbers
+	acceptedNumberCache FIFOCache[uint64, *types.Header] // most recent accepted heights to headers (only modified in accept)
 
 	rand   *mrand.Rand
 	engine consensus.Engine
@@ -82,9 +81,6 @@ type HeaderChain struct {
 // NewHeaderChain creates a new HeaderChain structure. ProcInterrupt points
 // to the parent's interrupt semaphore.
 func NewHeaderChain(chainDb ethdb.Database, config *params.ChainConfig, cacheConfig *CacheConfig, engine consensus.Engine) (*HeaderChain, error) {
-	headerCache, _ := lru.New(headerCacheLimit)
-	tdCache, _ := lru.New(tdCacheLimit)
-	numberCache, _ := lru.New(numberCacheLimit)
 	acceptedNumberCache := NewFIFOCache[uint64, *types.Header](cacheConfig.AcceptedCacheSize)
 
 	// Seed a fast but crypto originating random generator
@@ -96,9 +92,8 @@ func NewHeaderChain(chainDb ethdb.Database, config *params.ChainConfig, cacheCon
 	hc := &HeaderChain{
 		config:              config,
 		chainDb:             chainDb,
-		headerCache:         headerCache,
-		tdCache:             tdCache,
-		numberCache:         numberCache,
+		headerCache:         lru.NewCache[common.Hash, *types.Header](headerCacheLimit),
+		numberCache:         lru.NewCache[common.Hash, uint64](numberCacheLimit),
 		acceptedNumberCache: acceptedNumberCache,
 		rand:                mrand.New(mrand.NewSource(seed.Int64())),
 		engine:              engine,
@@ -124,8 +119,7 @@ func NewHeaderChain(chainDb ethdb.Database, config *params.ChainConfig, cacheCon
 // from the cache or database
 func (hc *HeaderChain) GetBlockNumber(hash common.Hash) *uint64 {
 	if cached, ok := hc.numberCache.Get(hash); ok {
-		number := cached.(uint64)
-		return &number
+		return &cached
 	}
 	number := rawdb.ReadHeaderNumber(hc.chainDb, hash)
 	if number != nil {
@@ -139,7 +133,7 @@ func (hc *HeaderChain) GetBlockNumber(hash common.Hash) *uint64 {
 func (hc *HeaderChain) GetHeader(hash common.Hash, number uint64) *types.Header {
 	// Short circuit if the header's already in the cache, retrieve otherwise
 	if header, ok := hc.headerCache.Get(hash); ok {
-		return header.(*types.Header)
+		return header
 	}
 	header := rawdb.ReadHeader(hc.chainDb, hash, number)
 	if header == nil {
diff --git a/core/headerchain_test.go b/core/headerchain_test.go
index 9ece7b9447..8cdcf18447 100644
--- a/core/headerchain_test.go
+++ b/core/headerchain_test.go
@@ -39,7 +39,6 @@ import (
 	"github.com/ava-labs/subnet-evm/core/vm"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/log"
 )
 
 func verifyUnbrokenCanonchain(bc *BlockChain) error {
@@ -74,16 +73,18 @@ func testInsert(t *testing.T, bc *BlockChain, chain []*types.Block, wantErr erro
 // This test checks status reporting of InsertHeaderChain.
 func TestHeaderInsertion(t *testing.T) {
 	var (
-		db      = rawdb.NewMemoryDatabase()
-		genesis = (&Genesis{
+		db    = rawdb.NewMemoryDatabase()
+		gspec = &Genesis{
 			BaseFee: big.NewInt(params.TestInitialBaseFee),
 			Config:  params.TestChainConfig,
-		}).MustCommit(db)
+		}
 	)
-	chain, err := NewBlockChain(db, DefaultCacheConfig, params.TestChainConfig, dummy.NewCoinbaseFaker(), vm.Config{}, common.Hash{})
+	genesis := gspec.ToBlock()
+	chain, err := NewBlockChain(db, DefaultCacheConfig, gspec, dummy.NewCoinbaseFaker(), vm.Config{}, common.Hash{}, false)
 	if err != nil {
 		t.Fatal(err)
 	}
+	defer chain.Stop()
 	// chain A: G->A1->A2...A128
 	chainA, _, _ := GenerateChain(params.TestChainConfig, types.NewBlockWithHeader(genesis.Header()), dummy.NewCoinbaseFaker(), db, 128, 10, func(i int, b *BlockGen) {
 		b.SetCoinbase(common.Address{0: byte(10), 19: byte(i)})
@@ -92,7 +93,6 @@ func TestHeaderInsertion(t *testing.T) {
 	chainB, _, _ := GenerateChain(params.TestChainConfig, types.NewBlockWithHeader(chainA[0].Header()), dummy.NewCoinbaseFaker(), db, 128, 10, func(i int, b *BlockGen) {
 		b.SetCoinbase(common.Address{0: byte(10), 19: byte(i)})
 	})
-	log.Root().SetHandler(log.StdoutHandler)
 
 	// Inserting 64 headers on an empty chain
 	testInsert(t, chain, chainA[:64], nil)
diff --git a/core/mkalloc.go b/core/mkalloc.go
index 503130214f..affc4c3aee 100644
--- a/core/mkalloc.go
+++ b/core/mkalloc.go
@@ -28,12 +28,10 @@
 // +build none
 
 /*
+The mkalloc tool creates the genesis allocation constants in genesis_alloc.go
+It outputs a const declaration that contains an RLP-encoded list of (address, balance) tuples.
 
-   The mkalloc tool creates the genesis allocation constants in genesis_alloc.go
-   It outputs a const declaration that contains an RLP-encoded list of (address, balance) tuples.
-
-       go run mkalloc.go genesis.json
-
+	go run mkalloc.go genesis.json
 */
 package main
 
diff --git a/core/predicate_check.go b/core/predicate_check.go
index faa9b801d7..e5823f7cb2 100644
--- a/core/predicate_check.go
+++ b/core/predicate_check.go
@@ -9,12 +9,21 @@ import (
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
-	"github.com/ava-labs/subnet-evm/utils"
+	predicateutils "github.com/ava-labs/subnet-evm/utils/predicate"
 	"github.com/ethereum/go-ethereum/common"
 )
 
 // CheckPredicates checks that all precompile predicates are satisfied within the current [predicateContext] for [tx]
 func CheckPredicates(rules params.Rules, predicateContext *precompileconfig.ProposerPredicateContext, tx *types.Transaction) error {
+	// Check that the transaction can cover its IntrinsicGas (including the gas required by the predicate) before
+	// verifying the predicate.
+	intrinsicGas, err := IntrinsicGas(tx.Data(), tx.AccessList(), tx.To() == nil, rules)
+	if err != nil {
+		return err
+	}
+	if tx.Gas() < intrinsicGas {
+		return fmt.Errorf("insufficient gas for predicate verification (%d) < intrinsic gas (%d)", tx.Gas(), intrinsicGas)
+	}
 	if err := checkPrecompilePredicates(rules, &predicateContext.PrecompilePredicateContext, tx); err != nil {
 		return err
 	}
@@ -40,7 +49,7 @@ func checkPrecompilePredicates(rules params.Rules, predicateContext *precompilec
 			return fmt.Errorf("predicate %s failed verification for tx %s: specified %s in access list multiple times", address, tx.Hash(), address)
 		}
 		precompileAddressChecks[address] = struct{}{}
-		predicateBytes := utils.HashSliceToBytes(accessTuple.StorageKeys)
+		predicateBytes := predicateutils.HashSliceToBytes(accessTuple.StorageKeys)
 		if err := predicater.VerifyPredicate(predicateContext, predicateBytes); err != nil {
 			return fmt.Errorf("predicate %s failed verification for tx %s: %w", address, tx.Hash(), err)
 		}
@@ -68,7 +77,7 @@ func checkProposerPrecompilePredicates(rules params.Rules, predicateContext *pre
 			return fmt.Errorf("predicate %s failed verification for tx %s: specified %s in access list multiple times", address, tx.Hash(), address)
 		}
 		precompileAddressChecks[address] = struct{}{}
-		predicateBytes := utils.HashSliceToBytes(accessTuple.StorageKeys)
+		predicateBytes := predicateutils.HashSliceToBytes(accessTuple.StorageKeys)
 		if err := predicater.VerifyPredicate(predicateContext, predicateBytes); err != nil {
 			return fmt.Errorf("predicate %s failed verification for tx %s: %w", address, tx.Hash(), err)
 		}
diff --git a/core/predicate_check_test.go b/core/predicate_check_test.go
index 0718159c8f..14b9bde9c0 100644
--- a/core/predicate_check_test.go
+++ b/core/predicate_check_test.go
@@ -22,26 +22,43 @@ var (
 )
 
 type mockPredicater struct {
-	predicateFunc func(*precompileconfig.PrecompilePredicateContext, []byte) error
+	predicateFunc    func(*precompileconfig.PrecompilePredicateContext, []byte) error
+	predicateGasFunc func([]byte) (uint64, error)
 }
 
 func (m *mockPredicater) VerifyPredicate(predicateContext *precompileconfig.PrecompilePredicateContext, b []byte) error {
 	return m.predicateFunc(predicateContext, b)
 }
 
+func (m *mockPredicater) PredicateGas(b []byte) (uint64, error) {
+	if m.predicateGasFunc == nil {
+		return 0, nil
+	}
+	return m.predicateGasFunc(b)
+}
+
 type mockProposerPredicater struct {
-	predicateFunc func(*precompileconfig.ProposerPredicateContext, []byte) error
+	predicateFunc    func(*precompileconfig.ProposerPredicateContext, []byte) error
+	predicateGasFunc func([]byte) (uint64, error)
 }
 
 func (m *mockProposerPredicater) VerifyPredicate(predicateContext *precompileconfig.ProposerPredicateContext, b []byte) error {
 	return m.predicateFunc(predicateContext, b)
 }
 
+func (m *mockProposerPredicater) PredicateGas(b []byte) (uint64, error) {
+	if m.predicateGasFunc == nil {
+		return 0, nil
+	}
+	return m.predicateGasFunc(b)
+}
+
 type predicateCheckTest struct {
 	address               common.Address
 	predicater            precompileconfig.PrecompilePredicater
 	proposerPredicater    precompileconfig.ProposerPredicater
 	accessList            types.AccessList
+	gas                   uint64
 	emptyProposerBlockCtx bool
 	expectedErr           error
 }
@@ -49,9 +66,11 @@ type predicateCheckTest struct {
 func TestCheckPredicate(t *testing.T) {
 	for name, test := range map[string]predicateCheckTest{
 		"no predicates, no access list passes": {
+			gas:         53000,
 			expectedErr: nil,
 		},
 		"no predicates, with access list passes": {
+			gas: 57300,
 			accessList: types.AccessList([]types.AccessTuple{
 				{
 					Address: common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"),
@@ -64,23 +83,51 @@ func TestCheckPredicate(t *testing.T) {
 		},
 		"proposer predicate, no access list passes": {
 			address:            common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"),
+			gas:                53000,
 			proposerPredicater: &mockProposerPredicater{predicateFunc: func(*precompileconfig.ProposerPredicateContext, []byte) error { return nil }},
 			expectedErr:        nil,
 		},
 		"predicate, no access list passes": {
 			address:     common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"),
+			gas:         53000,
 			predicater:  &mockPredicater{predicateFunc: func(*precompileconfig.PrecompilePredicateContext, []byte) error { return nil }},
 			expectedErr: nil,
 		},
 		"predicate with valid access list passes": {
 			address: common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"),
-			predicater: &mockPredicater{predicateFunc: func(_ *precompileconfig.PrecompilePredicateContext, b []byte) error {
-				if bytes.Equal(b, common.Hash{1}.Bytes()) {
+			gas:     53000,
+			predicater: &mockPredicater{
+				predicateFunc: func(_ *precompileconfig.PrecompilePredicateContext, b []byte) error {
+					if !bytes.Equal(b, common.Hash{1}.Bytes()) {
+						return fmt.Errorf("unexpected bytes: 0x%x", b)
+					}
+					return nil
+				},
+			},
+			accessList: types.AccessList([]types.AccessTuple{
+				{
+					Address: common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"),
+					StorageKeys: []common.Hash{
+						{1},
+					},
+				},
+			}),
+			expectedErr: nil,
+		},
+		"predicate with valid access list and non-empty PredicateGas passes": {
+			address: common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"),
+			gas:     153000,
+			predicater: &mockPredicater{
+				predicateFunc: func(_ *precompileconfig.PrecompilePredicateContext, b []byte) error {
+					if !bytes.Equal(b, common.Hash{1}.Bytes()) {
+						return fmt.Errorf("unexpected bytes: 0x%x", b)
+					}
 					return nil
-				} else {
-					return fmt.Errorf("unexpected bytes: 0x%x", b)
-				}
-			}},
+				},
+				predicateGasFunc: func(b []byte) (uint64, error) {
+					return 100_000, nil
+				},
+			},
 			accessList: types.AccessList([]types.AccessTuple{
 				{
 					Address: common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"),
@@ -93,13 +140,39 @@ func TestCheckPredicate(t *testing.T) {
 		},
 		"proposer predicate with valid access list passes": {
 			address: common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"),
-			proposerPredicater: &mockProposerPredicater{predicateFunc: func(_ *precompileconfig.ProposerPredicateContext, b []byte) error {
-				if bytes.Equal(b, common.Hash{1}.Bytes()) {
+			gas:     53000,
+			proposerPredicater: &mockProposerPredicater{
+				predicateFunc: func(_ *precompileconfig.ProposerPredicateContext, b []byte) error {
+					if !bytes.Equal(b, common.Hash{1}.Bytes()) {
+						return fmt.Errorf("unexpected bytes: 0x%x", b)
+					}
 					return nil
-				} else {
-					return fmt.Errorf("unexpected bytes: 0x%x", b)
-				}
-			}},
+				},
+			},
+			accessList: types.AccessList([]types.AccessTuple{
+				{
+					Address: common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"),
+					StorageKeys: []common.Hash{
+						{1},
+					},
+				},
+			}),
+			expectedErr: nil,
+		},
+		"proposer predicate with valid access list and non-empty PredicateGas passes": {
+			address: common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"),
+			gas:     153000,
+			proposerPredicater: &mockProposerPredicater{
+				predicateFunc: func(_ *precompileconfig.ProposerPredicateContext, b []byte) error {
+					if !bytes.Equal(b, common.Hash{1}.Bytes()) {
+						return fmt.Errorf("unexpected bytes: 0x%x", b)
+					}
+					return nil
+				},
+				predicateGasFunc: func(b []byte) (uint64, error) {
+					return 100_000, nil
+				},
+			},
 			accessList: types.AccessList([]types.AccessTuple{
 				{
 					Address: common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"),
@@ -112,13 +185,15 @@ func TestCheckPredicate(t *testing.T) {
 		},
 		"predicate with invalid access list errors": {
 			address: common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"),
-			predicater: &mockPredicater{predicateFunc: func(_ *precompileconfig.PrecompilePredicateContext, b []byte) error {
-				if bytes.Equal(b, common.Hash{1}.Bytes()) {
+			gas:     53000,
+			predicater: &mockPredicater{
+				predicateFunc: func(_ *precompileconfig.PrecompilePredicateContext, b []byte) error {
+					if !bytes.Equal(b, common.Hash{1}.Bytes()) {
+						return fmt.Errorf("unexpected bytes: 0x%x", b)
+					}
 					return nil
-				} else {
-					return fmt.Errorf("unexpected bytes: 0x%x", b)
-				}
-			}},
+				},
+			},
 			accessList: types.AccessList([]types.AccessTuple{
 				{
 					Address: common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"),
@@ -131,13 +206,15 @@ func TestCheckPredicate(t *testing.T) {
 		},
 		"proposer predicate with invalid access list errors": {
 			address: common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"),
-			proposerPredicater: &mockProposerPredicater{predicateFunc: func(_ *precompileconfig.ProposerPredicateContext, b []byte) error {
-				if bytes.Equal(b, common.Hash{1}.Bytes()) {
+			gas:     53000,
+			proposerPredicater: &mockProposerPredicater{
+				predicateFunc: func(_ *precompileconfig.ProposerPredicateContext, b []byte) error {
+					if !bytes.Equal(b, common.Hash{1}.Bytes()) {
+						return fmt.Errorf("unexpected bytes: 0x%x", b)
+					}
 					return nil
-				} else {
-					return fmt.Errorf("unexpected bytes: 0x%x", b)
-				}
-			}},
+				},
+			},
 			accessList: types.AccessList([]types.AccessTuple{
 				{
 					Address: common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"),
@@ -150,14 +227,16 @@ func TestCheckPredicate(t *testing.T) {
 		},
 		"proposer predicate with empty proposer block ctx passes": {
 			address:               common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"),
+			gas:                   53000,
 			proposerPredicater:    &mockProposerPredicater{predicateFunc: func(_ *precompileconfig.ProposerPredicateContext, b []byte) error { return nil }},
 			emptyProposerBlockCtx: true,
 		},
 	} {
 		test := test
 		t.Run(name, func(t *testing.T) {
+			require := require.New(t)
 			// Create the rules from TestChainConfig and update the predicates based on the test params
-			rules := params.TestChainConfig.AvalancheRules(common.Big0, common.Big0)
+			rules := params.TestChainConfig.AvalancheRules(common.Big0, 0)
 			if test.proposerPredicater != nil {
 				rules.ProposerPredicates[test.address] = test.proposerPredicater
 			}
@@ -168,6 +247,7 @@ func TestCheckPredicate(t *testing.T) {
 			// Specify only the access list, since this test should not depend on any other values
 			tx := types.NewTx(&types.DynamicFeeTx{
 				AccessList: test.accessList,
+				Gas:        test.gas,
 			})
 			predicateContext := &precompileconfig.ProposerPredicateContext{}
 			if !test.emptyProposerBlockCtx {
@@ -175,10 +255,13 @@ func TestCheckPredicate(t *testing.T) {
 			}
 			err := CheckPredicates(rules, predicateContext, tx)
 			if test.expectedErr == nil {
-				require.NoError(t, err)
+				require.NoError(err)
 			} else {
-				require.ErrorContains(t, err, test.expectedErr.Error())
+				require.ErrorContains(err, test.expectedErr.Error())
 			}
+			intrinsicGas, err := IntrinsicGas(tx.Data(), tx.AccessList(), true, rules)
+			require.NoError(err)
+			require.Equal(tx.Gas(), intrinsicGas) // Require test specifies exact amount of gas consumed
 		})
 	}
 }
diff --git a/core/rawdb/accessors_chain.go b/core/rawdb/accessors_chain.go
index 8b4829139c..b100fe80b7 100644
--- a/core/rawdb/accessors_chain.go
+++ b/core/rawdb/accessors_chain.go
@@ -30,6 +30,7 @@ import (
 	"bytes"
 	"encoding/binary"
 	"errors"
+	"math/big"
 
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/ethdb"
@@ -390,16 +391,19 @@ func ReadReceipts(db ethdb.Reader, hash common.Hash, number uint64, config *para
 	if receipts == nil {
 		return nil
 	}
-	header := ReadHeader(db, hash, number)
-	if header == nil {
-		return nil
-	}
 	body := ReadBody(db, hash, number)
 	if body == nil {
 		log.Error("Missing body but have receipt", "hash", hash, "number", number)
 		return nil
 	}
-	if err := receipts.DeriveFields(config, hash, number, header.Time, body.Transactions); err != nil {
+	header := ReadHeader(db, hash, number)
+	var baseFee *big.Int
+	if header == nil {
+		baseFee = big.NewInt(0)
+	} else {
+		baseFee = header.BaseFee
+	}
+	if err := receipts.DeriveFields(config, hash, number, header.Time, baseFee, body.Transactions); err != nil {
 		log.Error("Failed to derive block receipts fields", "hash", hash, "number", number, "err", err)
 		return nil
 	}
@@ -432,10 +436,11 @@ func DeleteReceipts(db ethdb.KeyValueWriter, hash common.Hash, number uint64) {
 
 // storedReceiptRLP is the storage encoding of a receipt.
 // Re-definition in core/types/receipt.go.
+// TODO: Re-use the existing definition.
 type storedReceiptRLP struct {
 	PostStateOrStatus []byte
 	CumulativeGasUsed uint64
-	Logs              []*types.LogForStorage
+	Logs              []*types.Log
 }
 
 // ReceiptLogs is a barebone version of ReceiptForStorage which only keeps
@@ -451,10 +456,7 @@ func (r *receiptLogs) DecodeRLP(s *rlp.Stream) error {
 	if err := s.Decode(&stored); err != nil {
 		return err
 	}
-	r.Logs = make([]*types.Log, len(stored.Logs))
-	for i, log := range stored.Logs {
-		r.Logs[i] = (*types.Log)(log)
-	}
+	r.Logs = stored.Logs
 	return nil
 }
 
@@ -479,9 +481,9 @@ func deriveLogFields(receipts []*receiptLogs, hash common.Hash, number uint64, t
 	return nil
 }
 
-// ReadLogs retrieves the logs for all transactions in a block. The log fields
-// are populated with metadata. In case the receipts or the block body
-// are not found, a nil is returned.
+// ReadLogs retrieves the logs for all transactions in a block. In case
+// receipts is not found, a nil is returned.
+// Note: ReadLogs does not derive unstored log fields.
 func ReadLogs(db ethdb.Reader, hash common.Hash, number uint64) [][]*types.Log {
 	// Retrieve the flattened receipt slice
 	data := ReadReceiptsRLP(db, hash, number)
@@ -494,15 +496,6 @@ func ReadLogs(db ethdb.Reader, hash common.Hash, number uint64) [][]*types.Log {
 		return nil
 	}
 
-	body := ReadBody(db, hash, number)
-	if body == nil {
-		log.Error("Missing body but have receipt", "hash", hash, "number", number)
-		return nil
-	}
-	if err := deriveLogFields(receipts, hash, number, body.Transactions); err != nil {
-		log.Error("Failed to derive block receipts fields", "hash", hash, "number", number, "err", err)
-		return nil
-	}
 	logs := make([][]*types.Log, len(receipts))
 	for i, receipt := range receipts {
 		logs[i] = receipt.Logs
@@ -590,8 +583,7 @@ func ReadHeadBlock(db ethdb.Reader) *types.Block {
 }
 
 // ReadTxIndexTail retrieves the number of oldest indexed block
-// whose transaction indices has been indexed. If the corresponding entry
-// is non-existent in database it means the indexing has been finished.
+// whose transaction indices has been indexed.
 func ReadTxIndexTail(db ethdb.KeyValueReader) *uint64 {
 	data, _ := db.Get(txIndexTailKey)
 	if len(data) != 8 {
diff --git a/core/rawdb/accessors_chain_test.go b/core/rawdb/accessors_chain_test.go
index 71c0c8826e..c5c08bca70 100644
--- a/core/rawdb/accessors_chain_test.go
+++ b/core/rawdb/accessors_chain_test.go
@@ -111,8 +111,8 @@ func TestBlockStorage(t *testing.T) {
 	block := types.NewBlockWithHeader(&types.Header{
 		Extra:       []byte("test block"),
 		UncleHash:   types.EmptyUncleHash,
-		TxHash:      types.EmptyRootHash,
-		ReceiptHash: types.EmptyRootHash,
+		TxHash:      types.EmptyTxsHash,
+		ReceiptHash: types.EmptyReceiptsHash,
 	})
 	if entry := ReadBlock(db, block.Hash(), block.NumberU64()); entry != nil {
 		t.Fatalf("Non existent block returned: %v", entry)
@@ -159,8 +159,8 @@ func TestPartialBlockStorage(t *testing.T) {
 	block := types.NewBlockWithHeader(&types.Header{
 		Extra:       []byte("test block"),
 		UncleHash:   types.EmptyUncleHash,
-		TxHash:      types.EmptyRootHash,
-		ReceiptHash: types.EmptyRootHash,
+		TxHash:      types.EmptyTxsHash,
+		ReceiptHash: types.EmptyReceiptsHash,
 	})
 	// Store a header and check that it's not recognized as a block
 	WriteHeader(db, block.Header())
@@ -499,10 +499,6 @@ func TestReadLogs(t *testing.T) {
 		t.Fatalf("unexpected number of logs[1] returned, have %d want %d", have, want)
 	}
 
-	// Fill in log fields so we can compare their rlp encoding
-	if err := types.Receipts(receipts).DeriveFields(params.TestChainConfig, hash, 0, 0, body.Transactions); err != nil {
-		t.Fatal(err)
-	}
 	for i, pr := range receipts {
 		for j, pl := range pr.Logs {
 			rlpHave, err := rlp.EncodeToBytes(newFullLogRLP(logs[i][j]))
diff --git a/core/rawdb/accessors_state.go b/core/rawdb/accessors_state.go
index 61b0c015e8..5c831a0a89 100644
--- a/core/rawdb/accessors_state.go
+++ b/core/rawdb/accessors_state.go
@@ -38,6 +38,17 @@ func ReadPreimage(db ethdb.KeyValueReader, hash common.Hash) []byte {
 	return data
 }
 
+// WritePreimages writes the provided set of preimages to the database.
+func WritePreimages(db ethdb.KeyValueWriter, preimages map[common.Hash][]byte) {
+	for hash, preimage := range preimages {
+		if err := db.Put(preimageKey(hash), preimage); err != nil {
+			log.Crit("Failed to store trie preimage", "err", err)
+		}
+	}
+	preimageCounter.Inc(int64(len(preimages)))
+	preimageHitCounter.Inc(int64(len(preimages)))
+}
+
 // ReadCode retrieves the contract code of the provided code hash.
 func ReadCode(db ethdb.KeyValueReader, hash common.Hash) []byte {
 	// Try with the prefixed code scheme first and only. The legacy scheme was never used in subnet-evm.
@@ -45,12 +56,6 @@ func ReadCode(db ethdb.KeyValueReader, hash common.Hash) []byte {
 	return data
 }
 
-// ReadTrieNode retrieves the trie node of the provided hash.
-func ReadTrieNode(db ethdb.KeyValueReader, hash common.Hash) []byte {
-	data, _ := db.Get(hash.Bytes())
-	return data
-}
-
 // HasCode checks if the contract code corresponding to the
 // provided code hash is present in the db.
 func HasCode(db ethdb.KeyValueReader, hash common.Hash) bool {
@@ -59,23 +64,6 @@ func HasCode(db ethdb.KeyValueReader, hash common.Hash) bool {
 	return ok
 }
 
-// HasTrieNode checks if the trie node with the provided hash is present in db.
-func HasTrieNode(db ethdb.KeyValueReader, hash common.Hash) bool {
-	ok, _ := db.Has(hash.Bytes())
-	return ok
-}
-
-// WritePreimages writes the provided set of preimages to the database.
-func WritePreimages(db ethdb.KeyValueWriter, preimages map[common.Hash][]byte) {
-	for hash, preimage := range preimages {
-		if err := db.Put(preimageKey(hash), preimage); err != nil {
-			log.Crit("Failed to store trie preimage", "err", err)
-		}
-	}
-	preimageCounter.Inc(int64(len(preimages)))
-	preimageHitCounter.Inc(int64(len(preimages)))
-}
-
 // WriteCode writes the provided contract code database.
 func WriteCode(db ethdb.KeyValueWriter, hash common.Hash, code []byte) {
 	if err := db.Put(codeKey(hash), code); err != nil {
@@ -83,23 +71,9 @@ func WriteCode(db ethdb.KeyValueWriter, hash common.Hash, code []byte) {
 	}
 }
 
-// WriteTrieNode writes the provided trie node database.
-func WriteTrieNode(db ethdb.KeyValueWriter, hash common.Hash, node []byte) {
-	if err := db.Put(hash.Bytes(), node); err != nil {
-		log.Crit("Failed to store trie node", "err", err)
-	}
-}
-
 // DeleteCode deletes the specified contract code from the database.
 func DeleteCode(db ethdb.KeyValueWriter, hash common.Hash) {
 	if err := db.Delete(codeKey(hash)); err != nil {
 		log.Crit("Failed to delete contract code", "err", err)
 	}
 }
-
-// DeleteTrieNode deletes the specified trie node from the database.
-func DeleteTrieNode(db ethdb.KeyValueWriter, hash common.Hash) {
-	if err := db.Delete(hash.Bytes()); err != nil {
-		log.Crit("Failed to delete trie node", "err", err)
-	}
-}
diff --git a/core/rawdb/accessors_state_sync.go b/core/rawdb/accessors_state_sync.go
index 7879ca6c64..c75cb75a2d 100644
--- a/core/rawdb/accessors_state_sync.go
+++ b/core/rawdb/accessors_state_sync.go
@@ -86,13 +86,12 @@ func ClearSyncSegments(db ethdb.KeyValueStore, root common.Hash) error {
 	segmentsPrefix := make([]byte, len(syncSegmentsPrefix)+common.HashLength)
 	copy(segmentsPrefix, syncSegmentsPrefix)
 	copy(segmentsPrefix[len(syncSegmentsPrefix):], root[:])
-
-	return ClearPrefix(db, segmentsPrefix)
+	return ClearPrefix(db, segmentsPrefix, syncSegmentsKeyLength)
 }
 
 // ClearAllSyncSegments removes all segment markers from db
 func ClearAllSyncSegments(db ethdb.KeyValueStore) error {
-	return ClearPrefix(db, syncSegmentsPrefix)
+	return ClearPrefix(db, syncSegmentsPrefix, syncSegmentsKeyLength)
 }
 
 // UnpackSyncSegmentKey returns the root and start position for a trie segment
@@ -131,12 +130,12 @@ func ClearSyncStorageTrie(db ethdb.KeyValueStore, root common.Hash) error {
 	accountsPrefix := make([]byte, len(syncStorageTriesPrefix)+common.HashLength)
 	copy(accountsPrefix, syncStorageTriesPrefix)
 	copy(accountsPrefix[len(syncStorageTriesPrefix):], root[:])
-	return ClearPrefix(db, accountsPrefix)
+	return ClearPrefix(db, accountsPrefix, syncStorageTriesKeyLength)
 }
 
 // ClearAllSyncStorageTries removes all storage tries added for syncing from db
 func ClearAllSyncStorageTries(db ethdb.KeyValueStore) error {
-	return ClearPrefix(db, syncStorageTriesPrefix)
+	return ClearPrefix(db, syncStorageTriesPrefix, syncStorageTriesKeyLength)
 }
 
 // UnpackSyncStorageTrieKey returns the root and account for a storage trie
diff --git a/core/rawdb/accessors_state_sync_test.go b/core/rawdb/accessors_state_sync_test.go
new file mode 100644
index 0000000000..5c51eb7bf3
--- /dev/null
+++ b/core/rawdb/accessors_state_sync_test.go
@@ -0,0 +1,33 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package rawdb
+
+import (
+	"testing"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/stretchr/testify/require"
+)
+
+func TestClearPrefix(t *testing.T) {
+	require := require.New(t)
+	db := NewMemoryDatabase()
+	// add a key that should be cleared
+	require.NoError(WriteSyncSegment(db, common.Hash{1}, common.Hash{}.Bytes()))
+
+	// add a key that should not be cleared
+	key := append(syncSegmentsPrefix, []byte("foo")...)
+	require.NoError(db.Put(key, []byte("bar")))
+
+	require.NoError(ClearAllSyncSegments(db))
+
+	count := 0
+	it := db.NewIterator(syncSegmentsPrefix, nil)
+	defer it.Release()
+	for it.Next() {
+		count++
+	}
+	require.NoError(it.Error())
+	require.Equal(1, count)
+}
diff --git a/core/rawdb/accessors_trie.go b/core/rawdb/accessors_trie.go
new file mode 100644
index 0000000000..28bd4ab8bb
--- /dev/null
+++ b/core/rawdb/accessors_trie.go
@@ -0,0 +1,273 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>
+
+package rawdb
+
+import (
+	"fmt"
+	"sync"
+
+	"github.com/ava-labs/subnet-evm/ethdb"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/log"
+	"golang.org/x/crypto/sha3"
+)
+
+// HashScheme is the legacy hash-based state scheme with which trie nodes are
+// stored in the disk with node hash as the database key. The advantage of this
+// scheme is that different versions of trie nodes can be stored in disk, which
+// is very beneficial for constructing archive nodes. The drawback is it will
+// store different trie nodes on the same path to different locations on the disk
+// with no data locality, and it's unfriendly for designing state pruning.
+//
+// Now this scheme is still kept for backward compatibility, and it will be used
+// for archive node and some other tries(e.g. light trie).
+const HashScheme = "hashScheme"
+
+// PathScheme is the new path-based state scheme with which trie nodes are stored
+// in the disk with node path as the database key. This scheme will only store one
+// version of state data in the disk, which means that the state pruning operation
+// is native. At the same time, this scheme will put adjacent trie nodes in the same
+// area of the disk with good data locality property. But this scheme needs to rely
+// on extra state diffs to survive deep reorg.
+const PathScheme = "pathScheme"
+
+// nodeHasher used to derive the hash of trie node.
+type nodeHasher struct{ sha crypto.KeccakState }
+
+var hasherPool = sync.Pool{
+	New: func() interface{} { return &nodeHasher{sha: sha3.NewLegacyKeccak256().(crypto.KeccakState)} },
+}
+
+func newNodeHasher() *nodeHasher       { return hasherPool.Get().(*nodeHasher) }
+func returnHasherToPool(h *nodeHasher) { hasherPool.Put(h) }
+
+func (h *nodeHasher) hashData(data []byte) (n common.Hash) {
+	h.sha.Reset()
+	h.sha.Write(data)
+	h.sha.Read(n[:])
+	return n
+}
+
+// ReadAccountTrieNode retrieves the account trie node and the associated node
+// hash with the specified node path.
+func ReadAccountTrieNode(db ethdb.KeyValueReader, path []byte) ([]byte, common.Hash) {
+	data, err := db.Get(accountTrieNodeKey(path))
+	if err != nil {
+		return nil, common.Hash{}
+	}
+	hasher := newNodeHasher()
+	defer returnHasherToPool(hasher)
+	return data, hasher.hashData(data)
+}
+
+// HasAccountTrieNode checks the account trie node presence with the specified
+// node path and the associated node hash.
+func HasAccountTrieNode(db ethdb.KeyValueReader, path []byte, hash common.Hash) bool {
+	data, err := db.Get(accountTrieNodeKey(path))
+	if err != nil {
+		return false
+	}
+	hasher := newNodeHasher()
+	defer returnHasherToPool(hasher)
+	return hasher.hashData(data) == hash
+}
+
+// WriteAccountTrieNode writes the provided account trie node into database.
+func WriteAccountTrieNode(db ethdb.KeyValueWriter, path []byte, node []byte) {
+	if err := db.Put(accountTrieNodeKey(path), node); err != nil {
+		log.Crit("Failed to store account trie node", "err", err)
+	}
+}
+
+// DeleteAccountTrieNode deletes the specified account trie node from the database.
+func DeleteAccountTrieNode(db ethdb.KeyValueWriter, path []byte) {
+	if err := db.Delete(accountTrieNodeKey(path)); err != nil {
+		log.Crit("Failed to delete account trie node", "err", err)
+	}
+}
+
+// ReadStorageTrieNode retrieves the storage trie node and the associated node
+// hash with the specified node path.
+func ReadStorageTrieNode(db ethdb.KeyValueReader, accountHash common.Hash, path []byte) ([]byte, common.Hash) {
+	data, err := db.Get(storageTrieNodeKey(accountHash, path))
+	if err != nil {
+		return nil, common.Hash{}
+	}
+	hasher := newNodeHasher()
+	defer returnHasherToPool(hasher)
+	return data, hasher.hashData(data)
+}
+
+// HasStorageTrieNode checks the storage trie node presence with the provided
+// node path and the associated node hash.
+func HasStorageTrieNode(db ethdb.KeyValueReader, accountHash common.Hash, path []byte, hash common.Hash) bool {
+	data, err := db.Get(storageTrieNodeKey(accountHash, path))
+	if err != nil {
+		return false
+	}
+	hasher := newNodeHasher()
+	defer returnHasherToPool(hasher)
+	return hasher.hashData(data) == hash
+}
+
+// WriteStorageTrieNode writes the provided storage trie node into database.
+func WriteStorageTrieNode(db ethdb.KeyValueWriter, accountHash common.Hash, path []byte, node []byte) {
+	if err := db.Put(storageTrieNodeKey(accountHash, path), node); err != nil {
+		log.Crit("Failed to store storage trie node", "err", err)
+	}
+}
+
+// DeleteStorageTrieNode deletes the specified storage trie node from the database.
+func DeleteStorageTrieNode(db ethdb.KeyValueWriter, accountHash common.Hash, path []byte) {
+	if err := db.Delete(storageTrieNodeKey(accountHash, path)); err != nil {
+		log.Crit("Failed to delete storage trie node", "err", err)
+	}
+}
+
+// ReadLegacyTrieNode retrieves the legacy trie node with the given
+// associated node hash.
+func ReadLegacyTrieNode(db ethdb.KeyValueReader, hash common.Hash) []byte {
+	data, err := db.Get(hash.Bytes())
+	if err != nil {
+		return nil
+	}
+	return data
+}
+
+// HasLegacyTrieNode checks if the trie node with the provided hash is present in db.
+func HasLegacyTrieNode(db ethdb.KeyValueReader, hash common.Hash) bool {
+	ok, _ := db.Has(hash.Bytes())
+	return ok
+}
+
+// WriteLegacyTrieNode writes the provided legacy trie node to database.
+func WriteLegacyTrieNode(db ethdb.KeyValueWriter, hash common.Hash, node []byte) {
+	if err := db.Put(hash.Bytes(), node); err != nil {
+		log.Crit("Failed to store legacy trie node", "err", err)
+	}
+}
+
+// DeleteLegacyTrieNode deletes the specified legacy trie node from database.
+func DeleteLegacyTrieNode(db ethdb.KeyValueWriter, hash common.Hash) {
+	if err := db.Delete(hash.Bytes()); err != nil {
+		log.Crit("Failed to delete legacy trie node", "err", err)
+	}
+}
+
+// HasTrieNode checks the trie node presence with the provided node info and
+// the associated node hash.
+func HasTrieNode(db ethdb.KeyValueReader, owner common.Hash, path []byte, hash common.Hash, scheme string) bool {
+	switch scheme {
+	case HashScheme:
+		return HasLegacyTrieNode(db, hash)
+	case PathScheme:
+		if owner == (common.Hash{}) {
+			return HasAccountTrieNode(db, path, hash)
+		}
+		return HasStorageTrieNode(db, owner, path, hash)
+	default:
+		panic(fmt.Sprintf("Unknown scheme %v", scheme))
+	}
+}
+
+// ReadTrieNode retrieves the trie node from database with the provided node info
+// and associated node hash.
+// hashScheme-based lookup requires the following:
+//   - hash
+//
+// pathScheme-based lookup requires the following:
+//   - owner
+//   - path
+func ReadTrieNode(db ethdb.KeyValueReader, owner common.Hash, path []byte, hash common.Hash, scheme string) []byte {
+	switch scheme {
+	case HashScheme:
+		return ReadLegacyTrieNode(db, hash)
+	case PathScheme:
+		var (
+			blob  []byte
+			nHash common.Hash
+		)
+		if owner == (common.Hash{}) {
+			blob, nHash = ReadAccountTrieNode(db, path)
+		} else {
+			blob, nHash = ReadStorageTrieNode(db, owner, path)
+		}
+		if nHash != hash {
+			return nil
+		}
+		return blob
+	default:
+		panic(fmt.Sprintf("Unknown scheme %v", scheme))
+	}
+}
+
+// WriteTrieNode writes the trie node into database with the provided node info
+// and associated node hash.
+// hashScheme-based lookup requires the following:
+//   - hash
+//
+// pathScheme-based lookup requires the following:
+//   - owner
+//   - path
+func WriteTrieNode(db ethdb.KeyValueWriter, owner common.Hash, path []byte, hash common.Hash, node []byte, scheme string) {
+	switch scheme {
+	case HashScheme:
+		WriteLegacyTrieNode(db, hash, node)
+	case PathScheme:
+		if owner == (common.Hash{}) {
+			WriteAccountTrieNode(db, path, node)
+		} else {
+			WriteStorageTrieNode(db, owner, path, node)
+		}
+	default:
+		panic(fmt.Sprintf("Unknown scheme %v", scheme))
+	}
+}
+
+// DeleteTrieNode deletes the trie node from database with the provided node info
+// and associated node hash.
+// hashScheme-based lookup requires the following:
+//   - hash
+//
+// pathScheme-based lookup requires the following:
+//   - owner
+//   - path
+func DeleteTrieNode(db ethdb.KeyValueWriter, owner common.Hash, path []byte, hash common.Hash, scheme string) {
+	switch scheme {
+	case HashScheme:
+		DeleteLegacyTrieNode(db, hash)
+	case PathScheme:
+		if owner == (common.Hash{}) {
+			DeleteAccountTrieNode(db, path)
+		} else {
+			DeleteStorageTrieNode(db, owner, path)
+		}
+	default:
+		panic(fmt.Sprintf("Unknown scheme %v", scheme))
+	}
+}
diff --git a/core/rawdb/chain_iterator.go b/core/rawdb/chain_iterator.go
index cba39b57c6..fc07086216 100644
--- a/core/rawdb/chain_iterator.go
+++ b/core/rawdb/chain_iterator.go
@@ -148,7 +148,7 @@ func indexTransactions(db ethdb.Database, from uint64, to uint64, interrupt chan
 		// in to be [to-1]. Therefore, setting lastNum to means that the
 		// prqueue gap-evaluation will work correctly
 		lastNum = to
-		queue   = prque.New(nil)
+		queue   = prque.New[int64, *blockTxHashes](nil)
 		// for stats reporting
 		blocks, txs = 0, 0
 	)
@@ -167,7 +167,7 @@ func indexTransactions(db ethdb.Database, from uint64, to uint64, interrupt chan
 				break
 			}
 			// Next block available, pop it off and index it
-			delivery := queue.PopItem().(*blockTxHashes)
+			delivery := queue.PopItem()
 			lastNum = delivery.number
 			WriteTxLookupEntries(batch, delivery.number, delivery.hashes)
 			blocks++
@@ -200,7 +200,7 @@ func indexTransactions(db ethdb.Database, from uint64, to uint64, interrupt chan
 	case <-interrupt:
 		log.Debug("Transaction indexing interrupted", "blocks", blocks, "txs", txs, "tail", lastNum, "elapsed", common.PrettyDuration(time.Since(start)))
 	default:
-		log.Info("Indexed transactions", "blocks", blocks, "txs", txs, "tail", lastNum, "elapsed", common.PrettyDuration(time.Since(start)))
+		log.Debug("Indexed transactions", "blocks", blocks, "txs", txs, "tail", lastNum, "elapsed", common.PrettyDuration(time.Since(start)))
 	}
 }
 
@@ -239,7 +239,7 @@ func unindexTransactions(db ethdb.Database, from uint64, to uint64, interrupt ch
 		// we expect the first number to come in to be [from]. Therefore, setting
 		// nextNum to from means that the prqueue gap-evaluation will work correctly
 		nextNum = from
-		queue   = prque.New(nil)
+		queue   = prque.New[int64, *blockTxHashes](nil)
 		// for stats reporting
 		blocks, txs = 0, 0
 	)
@@ -256,7 +256,7 @@ func unindexTransactions(db ethdb.Database, from uint64, to uint64, interrupt ch
 			if hook != nil && !hook(nextNum) {
 				break
 			}
-			delivery := queue.PopItem().(*blockTxHashes)
+			delivery := queue.PopItem()
 			nextNum = delivery.number + 1
 			DeleteTxLookupEntries(batch, delivery.hashes)
 			txs += len(delivery.hashes)
@@ -292,7 +292,7 @@ func unindexTransactions(db ethdb.Database, from uint64, to uint64, interrupt ch
 	case <-interrupt:
 		log.Debug("Transaction unindexing interrupted", "blocks", blocks, "txs", txs, "tail", to, "elapsed", common.PrettyDuration(time.Since(start)))
 	default:
-		log.Info("Unindexed transactions", "blocks", blocks, "txs", txs, "tail", to, "elapsed", common.PrettyDuration(time.Since(start)))
+		log.Debug("Unindexed transactions", "blocks", blocks, "txs", txs, "tail", to, "elapsed", common.PrettyDuration(time.Since(start)))
 	}
 }
 
diff --git a/core/rawdb/database.go b/core/rawdb/database.go
index dc4dd85688..ff18749fd6 100644
--- a/core/rawdb/database.go
+++ b/core/rawdb/database.go
@@ -28,8 +28,10 @@ package rawdb
 
 import (
 	"bytes"
+	"errors"
 	"fmt"
 	"os"
+	"path/filepath"
 	"time"
 
 	"github.com/ava-labs/subnet-evm/ethdb"
@@ -71,9 +73,82 @@ func NewLevelDBDatabase(file string, cache int, handles int, namespace string, r
 	if err != nil {
 		return nil, err
 	}
+	log.Info("Using LevelDB as the backing database")
 	return NewDatabase(db), nil
 }
 
+const (
+	dbPebble  = "pebble"
+	dbLeveldb = "leveldb"
+)
+
+// hasPreexistingDb checks the given data directory whether a database is already
+// instantiated at that location, and if so, returns the type of database (or the
+// empty string).
+func hasPreexistingDb(path string) string {
+	if _, err := os.Stat(filepath.Join(path, "CURRENT")); err != nil {
+		return "" // No pre-existing db
+	}
+	if matches, err := filepath.Glob(filepath.Join(path, "OPTIONS*")); len(matches) > 0 || err != nil {
+		if err != nil {
+			panic(err) // only possible if the pattern is malformed
+		}
+		return dbPebble
+	}
+	return dbLeveldb
+}
+
+// OpenOptions contains the options to apply when opening a database.
+// OBS: If AncientsDirectory is empty, it indicates that no freezer is to be used.
+type OpenOptions struct {
+	Type      string // "leveldb" | "pebble"
+	Directory string // the datadir
+	Namespace string // the namespace for database relevant metrics
+	Cache     int    // the capacity(in megabytes) of the data caching
+	Handles   int    // number of files to be open simultaneously
+	ReadOnly  bool
+}
+
+// openKeyValueDatabase opens a disk-based key-value database, e.g. leveldb or pebble.
+//
+//	                      type == null          type != null
+//	                   +----------------------------------------
+//	db is non-existent |  leveldb default  |  specified type
+//	db is existent     |  from db          |  specified type (if compatible)
+func openKeyValueDatabase(o OpenOptions) (ethdb.Database, error) {
+	existingDb := hasPreexistingDb(o.Directory)
+	if len(existingDb) != 0 && len(o.Type) != 0 && o.Type != existingDb {
+		return nil, fmt.Errorf("db.engine choice was %v but found pre-existing %v database in specified data directory", o.Type, existingDb)
+	}
+	if o.Type == dbPebble || existingDb == dbPebble {
+		if PebbleEnabled {
+			log.Info("Using pebble as the backing database")
+			return NewPebbleDBDatabase(o.Directory, o.Cache, o.Handles, o.Namespace, o.ReadOnly)
+		} else {
+			return nil, errors.New("db.engine 'pebble' not supported on this platform")
+		}
+	}
+	if len(o.Type) != 0 && o.Type != dbLeveldb {
+		return nil, fmt.Errorf("unknown db.engine %v", o.Type)
+	}
+	log.Info("Using leveldb as the backing database")
+	// Use leveldb, either as default (no explicit choice), or pre-existing, or chosen explicitly
+	return NewLevelDBDatabase(o.Directory, o.Cache, o.Handles, o.Namespace, o.ReadOnly)
+}
+
+// Open opens both a disk-based key-value database such as leveldb or pebble, but also
+// integrates it with a freezer database -- if the AncientDir option has been
+// set on the provided OpenOptions.
+// The passed o.AncientDir indicates the path of root ancient directory where
+// the chain freezer can be opened.
+func Open(o OpenOptions) (ethdb.Database, error) {
+	kvdb, err := openKeyValueDatabase(o)
+	if err != nil {
+		return nil, err
+	}
+	return kvdb, nil
+}
+
 type counter uint64
 
 func (c counter) String() string {
@@ -175,7 +250,7 @@ func InspectDatabase(db ethdb.Database, keyPrefix, keyStart []byte) error {
 			accountSnaps.Add(size)
 		case bytes.HasPrefix(key, SnapshotStoragePrefix) && len(key) == (len(SnapshotStoragePrefix)+2*common.HashLength):
 			storageSnaps.Add(size)
-		case bytes.HasPrefix(key, preimagePrefix) && len(key) == (len(preimagePrefix)+common.HashLength):
+		case bytes.HasPrefix(key, PreimagePrefix) && len(key) == (len(PreimagePrefix)+common.HashLength):
 			preimages.Add(size)
 		case bytes.HasPrefix(key, configPrefix) && len(key) == (len(configPrefix)+common.HashLength):
 			metadata.Add(size)
@@ -185,16 +260,6 @@ func InspectDatabase(db ethdb.Database, keyPrefix, keyStart []byte) error {
 			bloomBits.Add(size)
 		case bytes.HasPrefix(key, BloomBitsIndexPrefix):
 			bloomBits.Add(size)
-		case bytes.HasPrefix(key, []byte("clique-")) && len(key) == 7+common.HashLength:
-			cliqueSnaps.Add(size)
-		case bytes.HasPrefix(key, []byte("cht-")) ||
-			bytes.HasPrefix(key, []byte("chtIndexV2-")) ||
-			bytes.HasPrefix(key, []byte("chtRootV2-")): // Canonical hash trie
-			chtTrieNodes.Add(size)
-		case bytes.HasPrefix(key, []byte("blt-")) ||
-			bytes.HasPrefix(key, []byte("bltIndex-")) ||
-			bytes.HasPrefix(key, []byte("bltRoot-")): // Bloomtrie sub
-			bloomTrieNodes.Add(size)
 		case bytes.HasPrefix(key, syncStorageTriesPrefix) && len(key) == syncStorageTriesKeyLength:
 			syncProgress.Add(size)
 		case bytes.HasPrefix(key, syncSegmentsPrefix) && len(key) == syncSegmentsKeyLength:
@@ -258,18 +323,22 @@ func InspectDatabase(db ethdb.Database, keyPrefix, keyStart []byte) error {
 	if unaccounted.size > 0 {
 		log.Error("Database contains unaccounted data", "size", unaccounted.size, "count", unaccounted.count)
 	}
-
 	return nil
 }
 
-// ClearPrefix removes all keys in db that begin with prefix
-func ClearPrefix(db ethdb.KeyValueStore, prefix []byte) error {
+// ClearPrefix removes all keys in db that begin with prefix and match an
+// expected key length. [keyLen] should include the length of the prefix.
+func ClearPrefix(db ethdb.KeyValueStore, prefix []byte, keyLen int) error {
 	it := db.NewIterator(prefix, nil)
 	defer it.Release()
 
 	batch := db.NewBatch()
 	for it.Next() {
 		key := common.CopyBytes(it.Key())
+		if len(key) != keyLen {
+			// avoid deleting keys that do not match the expected length
+			continue
+		}
 		if err := batch.Delete(key); err != nil {
 			return err
 		}
diff --git a/core/rawdb/databases_64bit.go b/core/rawdb/databases_64bit.go
new file mode 100644
index 0000000000..1f1e56477e
--- /dev/null
+++ b/core/rawdb/databases_64bit.go
@@ -0,0 +1,37 @@
+// Copyright 2023 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>
+
+//go:build (arm64 || amd64) && !openbsd
+
+package rawdb
+
+import (
+	"github.com/ava-labs/subnet-evm/ethdb"
+	"github.com/ava-labs/subnet-evm/ethdb/pebble"
+)
+
+// Pebble is unsuported on 32bit architecture
+const PebbleEnabled = true
+
+// NewPebbleDBDatabase creates a persistent key-value database without a freezer
+// moving immutable chain segments into cold storage.
+func NewPebbleDBDatabase(file string, cache int, handles int, namespace string, readonly bool) (ethdb.Database, error) {
+	db, err := pebble.New(file, cache, handles, namespace, readonly)
+	if err != nil {
+		return nil, err
+	}
+	return NewDatabase(db), nil
+}
diff --git a/core/rawdb/databases_non64bit.go b/core/rawdb/databases_non64bit.go
new file mode 100644
index 0000000000..a658ed14ed
--- /dev/null
+++ b/core/rawdb/databases_non64bit.go
@@ -0,0 +1,44 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2023 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+//go:build !((arm64 || amd64) && !openbsd)
+
+package rawdb
+
+import (
+	"errors"
+
+	"github.com/ava-labs/subnet-evm/ethdb"
+)
+
+// Pebble is unsuported on 32bit architecture
+const PebbleEnabled = false
+
+// NewPebbleDBDatabase creates a persistent key-value database without a freezer
+// moving immutable chain segments into cold storage.
+func NewPebbleDBDatabase(file string, cache int, handles int, namespace string, readonly bool) (ethdb.Database, error) {
+	return nil, errors.New("pebble is not supported on this platform")
+}
diff --git a/core/rawdb/schema.go b/core/rawdb/schema.go
index bb0956abdf..3be721a6ec 100644
--- a/core/rawdb/schema.go
+++ b/core/rawdb/schema.go
@@ -89,6 +89,20 @@ var (
 	SnapshotStoragePrefix = []byte("o") // SnapshotStoragePrefix + account hash + storage hash -> storage trie value
 	CodePrefix            = []byte("c") // CodePrefix + code hash -> account code
 
+	// Path-based trie node scheme.
+	trieNodeAccountPrefix = []byte("A") // trieNodeAccountPrefix + hexPath -> trie node
+	trieNodeStoragePrefix = []byte("O") // trieNodeStoragePrefix + accountHash + hexPath -> trie node
+
+	PreimagePrefix      = []byte("secure-key-")      // PreimagePrefix + hash -> preimage
+	configPrefix        = []byte("ethereum-config-") // config prefix for the db
+	upgradeConfigPrefix = []byte("upgrade-config-")  // upgrade bytes passed to the chain are stored with this prefix
+
+	// BloomBitsIndexPrefix is the data table of a chain indexer to track its progress
+	BloomBitsIndexPrefix = []byte("iB")
+
+	preimageCounter    = metrics.NewRegisteredCounter("db/preimage/total", nil)
+	preimageHitCounter = metrics.NewRegisteredCounter("db/preimage/hits", nil)
+
 	// State sync progress keys and prefixes
 	syncRootKey            = []byte("sync_root")     // indicates the root of the main account trie currently being synced
 	syncStorageTriesPrefix = []byte("sync_storage")  // syncStorageTriesPrefix + trie root + account hash: indicates a storage trie must be fetched for the account
@@ -103,16 +117,6 @@ var (
 	// State sync metadata
 	syncPerformedPrefix    = []byte("sync_performed")
 	syncPerformedKeyLength = len(syncPerformedPrefix) + wrappers.LongLen // prefix + block number as uint64
-
-	preimagePrefix      = []byte("secure-key-")      // preimagePrefix + hash -> preimage
-	configPrefix        = []byte("ethereum-config-") // config prefix for the db
-	upgradeConfigPrefix = []byte("upgrade-config-")  // upgrade bytes passed to the chain are stored with this prefix
-
-	// Chain index prefixes (use `i` + single byte to avoid mixing data types).
-	BloomBitsIndexPrefix = []byte("iB") // BloomBitsIndexPrefix is the data table of a chain indexer to track its progress
-
-	preimageCounter    = metrics.NewRegisteredCounter("db/preimage/total", nil)
-	preimageHitCounter = metrics.NewRegisteredCounter("db/preimage/hits", nil)
 )
 
 // LegacyTxLookupEntry is the legacy TxLookupEntry definition with some unnecessary
@@ -192,7 +196,7 @@ func bloomBitsKey(bit uint, section uint64, hash common.Hash) []byte {
 
 // preimageKey = preimagePrefix + hash
 func preimageKey(hash common.Hash) []byte {
-	return append(preimagePrefix, hash.Bytes()...)
+	return append(PreimagePrefix, hash.Bytes()...)
 }
 
 // codeKey = CodePrefix + hash
@@ -218,3 +222,13 @@ func configKey(hash common.Hash) []byte {
 func upgradeConfigKey(hash common.Hash) []byte {
 	return append(upgradeConfigPrefix, hash.Bytes()...)
 }
+
+// accountTrieNodeKey = trieNodeAccountPrefix + nodePath.
+func accountTrieNodeKey(path []byte) []byte {
+	return append(trieNodeAccountPrefix, path...)
+}
+
+// storageTrieNodeKey = trieNodeStoragePrefix + accountHash + nodePath.
+func storageTrieNodeKey(accountHash common.Hash, path []byte) []byte {
+	return append(append(trieNodeStoragePrefix, accountHash.Bytes()...), path...)
+}
diff --git a/core/rlp_test.go b/core/rlp_test.go
index 45ce081603..f2b30c5908 100644
--- a/core/rlp_test.go
+++ b/core/rlp_test.go
@@ -32,7 +32,6 @@ import (
 	"testing"
 
 	"github.com/ava-labs/subnet-evm/consensus/dummy"
-	"github.com/ava-labs/subnet-evm/core/rawdb"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ethereum/go-ethereum/common"
@@ -43,10 +42,9 @@ import (
 
 func getBlock(transactions int, uncles int, dataSize int) *types.Block {
 	var (
-		aa = common.HexToAddress("0x000000000000000000000000000000000000aaaa")
-		// Generate a canonical chain to act as the main dataset
+		aa     = common.HexToAddress("0x000000000000000000000000000000000000aaaa")
 		engine = dummy.NewFaker()
-		db     = rawdb.NewMemoryDatabase()
+
 		// A sender who makes transactions, has some funds
 		key, _  = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
 		address = crypto.PubkeyToAddress(key.PublicKey)
@@ -55,11 +53,9 @@ func getBlock(transactions int, uncles int, dataSize int) *types.Block {
 			Config: params.TestChainConfig,
 			Alloc:  GenesisAlloc{address: {Balance: funds}},
 		}
-		genesis = gspec.MustCommit(db)
 	)
-
 	// We need to generate as many blocks +1 as uncles
-	blocks, _, _ := GenerateChain(params.TestChainConfig, genesis, engine, db, uncles+1, 10,
+	_, blocks, _, _ := GenerateChainWithGenesis(gspec, engine, uncles+1, 10,
 		func(n int, b *BlockGen) {
 			if n == uncles {
 				// Add transactions and stuff on the last block
@@ -161,7 +157,7 @@ func BenchmarkHashing(b *testing.B) {
 		blockRlp, _ = rlp.EncodeToBytes(block)
 	}
 	var got common.Hash
-	hasher := sha3.NewLegacyKeccak256()
+	var hasher = sha3.NewLegacyKeccak256()
 	b.Run("iteratorhashing", func(b *testing.B) {
 		b.ResetTimer()
 		for i := 0; i < b.N; i++ {
diff --git a/core/tx_cacher.go b/core/sender_cacher.go
similarity index 97%
rename from core/tx_cacher.go
rename to core/sender_cacher.go
index 80b3702e41..87b1339326 100644
--- a/core/tx_cacher.go
+++ b/core/sender_cacher.go
@@ -55,9 +55,9 @@ type TxSenderCacher struct {
 	tasksMu sync.RWMutex
 }
 
-// newTxSenderCacher creates a new transaction sender background cacher and starts
+// NewTxSenderCacher creates a new transaction sender background cacher and starts
 // as many processing goroutines as allowed by the GOMAXPROCS on construction.
-func newTxSenderCacher(threads int) *TxSenderCacher {
+func NewTxSenderCacher(threads int) *TxSenderCacher {
 	cacher := &TxSenderCacher{
 		tasks:   make(chan *txSenderCacherRequest, threads),
 		threads: threads,
diff --git a/core/state/database.go b/core/state/database.go
index 7810cb912b..90f2f9838b 100644
--- a/core/state/database.go
+++ b/core/state/database.go
@@ -30,13 +30,12 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/VictoriaMetrics/fastcache"
 	"github.com/ava-labs/subnet-evm/core/rawdb"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/ethdb"
 	"github.com/ava-labs/subnet-evm/trie"
 	"github.com/ethereum/go-ethereum/common"
-	lru "github.com/hashicorp/golang-lru"
+	"github.com/ethereum/go-ethereum/common/lru"
 )
 
 const (
@@ -53,7 +52,7 @@ type Database interface {
 	OpenTrie(root common.Hash) (Trie, error)
 
 	// OpenStorageTrie opens the storage trie of an account.
-	OpenStorageTrie(addrHash, root common.Hash) (Trie, error)
+	OpenStorageTrie(stateRoot common.Hash, addrHash, root common.Hash) (Trie, error)
 
 	// CopyTrie returns an independent copy of the given trie.
 	CopyTrie(Trie) Trie
@@ -64,6 +63,9 @@ type Database interface {
 	// ContractCodeSize retrieves a particular contracts code's size.
 	ContractCodeSize(addrHash, codeHash common.Hash) (int, error)
 
+	// DiskDB returns the underlying key-value disk database.
+	DiskDB() ethdb.KeyValueStore
+
 	// TrieDB retrieves the low level trie database used for data storage.
 	TrieDB() *trie.Database
 }
@@ -81,8 +83,13 @@ type Trie interface {
 	// trie.MissingNodeError is returned.
 	TryGet(key []byte) ([]byte, error)
 
-	// TryGetAccount abstract an account read from the trie.
-	TryGetAccount(key []byte) (*types.StateAccount, error)
+	// TryGetAccount abstracts an account read from the trie. It retrieves the
+	// account blob from the trie with provided account address and decodes it
+	// with associated decoding algorithm. If the specified account is not in
+	// the trie, nil will be returned. If the trie is corrupted(e.g. some nodes
+	// are missing or the account blob is incorrect for decoding), an error will
+	// be returned.
+	TryGetAccount(address common.Address) (*types.StateAccount, error)
 
 	// TryUpdate associates key with value in the trie. If value has length zero, any
 	// existing value is deleted from the trie. The value bytes must not be modified
@@ -90,15 +97,17 @@ type Trie interface {
 	// database, a trie.MissingNodeError is returned.
 	TryUpdate(key, value []byte) error
 
-	// TryUpdateAccount abstract an account write to the trie.
-	TryUpdateAccount(key []byte, account *types.StateAccount) error
+	// TryUpdateAccount abstracts an account write to the trie. It encodes the
+	// provided account object with associated algorithm and then updates it
+	// in the trie with provided address.
+	TryUpdateAccount(address common.Address, account *types.StateAccount) error
 
 	// TryDelete removes any existing value for key from the trie. If a node was not
 	// found in the database, a trie.MissingNodeError is returned.
 	TryDelete(key []byte) error
 
 	// TryDeleteAccount abstracts an account deletion from the trie.
-	TryDeleteAccount(key []byte) error
+	TryDeleteAccount(address common.Address) error
 
 	// Hash returns the root hash of the trie. It does not write to the database and
 	// can be used even if the trie doesn't have one.
@@ -110,7 +119,7 @@ type Trie interface {
 	// The returned nodeset can be nil if the trie is clean(nothing to commit).
 	// Once the trie is committed, it's not usable anymore. A new trie must
 	// be created with new root and updated trie database for following usage
-	Commit(collectLeaf bool) (common.Hash, *trie.NodeSet, error)
+	Commit(collectLeaf bool) (common.Hash, *trie.NodeSet)
 
 	// NodeIterator returns an iterator that returns nodes of the trie. Iteration
 	// starts at the key after the given start key.
@@ -137,23 +146,34 @@ func NewDatabase(db ethdb.Database) Database {
 // is safe for concurrent use and retains a lot of collapsed RLP trie nodes in a
 // large memory cache.
 func NewDatabaseWithConfig(db ethdb.Database, config *trie.Config) Database {
-	csc, _ := lru.New(codeSizeCacheSize)
 	return &cachingDB{
-		db:            trie.NewDatabaseWithConfig(db, config),
-		codeSizeCache: csc,
-		codeCache:     fastcache.New(codeCacheSize),
+		disk:          db,
+		codeSizeCache: lru.NewCache[common.Hash, int](codeSizeCacheSize),
+		codeCache:     lru.NewSizeConstrainedCache[common.Hash, []byte](codeCacheSize),
+		triedb:        trie.NewDatabaseWithConfig(db, config),
+	}
+}
+
+// NewDatabaseWithNodeDB creates a state database with an already initialized node database.
+func NewDatabaseWithNodeDB(db ethdb.Database, triedb *trie.Database) Database {
+	return &cachingDB{
+		disk:          db,
+		codeSizeCache: lru.NewCache[common.Hash, int](codeSizeCacheSize),
+		codeCache:     lru.NewSizeConstrainedCache[common.Hash, []byte](codeCacheSize),
+		triedb:        triedb,
 	}
 }
 
 type cachingDB struct {
-	db            *trie.Database
-	codeSizeCache *lru.Cache
-	codeCache     *fastcache.Cache
+	disk          ethdb.KeyValueStore
+	codeSizeCache *lru.Cache[common.Hash, int]
+	codeCache     *lru.SizeConstrainedCache[common.Hash, []byte]
+	triedb        *trie.Database
 }
 
 // OpenTrie opens the main account trie at a specific root hash.
 func (db *cachingDB) OpenTrie(root common.Hash) (Trie, error) {
-	tr, err := trie.NewStateTrie(common.Hash{}, root, db.db)
+	tr, err := trie.NewStateTrie(trie.StateTrieID(root), db.triedb)
 	if err != nil {
 		return nil, err
 	}
@@ -161,8 +181,8 @@ func (db *cachingDB) OpenTrie(root common.Hash) (Trie, error) {
 }
 
 // OpenStorageTrie opens the storage trie of an account.
-func (db *cachingDB) OpenStorageTrie(addrHash, root common.Hash) (Trie, error) {
-	tr, err := trie.NewStateTrie(addrHash, root, db.db)
+func (db *cachingDB) OpenStorageTrie(stateRoot common.Hash, addrHash, root common.Hash) (Trie, error) {
+	tr, err := trie.NewStateTrie(trie.StorageTrieID(stateRoot, addrHash, root), db.triedb)
 	if err != nil {
 		return nil, err
 	}
@@ -181,12 +201,13 @@ func (db *cachingDB) CopyTrie(t Trie) Trie {
 
 // ContractCode retrieves a particular contract's code.
 func (db *cachingDB) ContractCode(addrHash, codeHash common.Hash) ([]byte, error) {
-	if code := db.codeCache.Get(nil, codeHash.Bytes()); len(code) > 0 {
+	code, _ := db.codeCache.Get(codeHash)
+	if len(code) > 0 {
 		return code, nil
 	}
-	code := rawdb.ReadCode(db.db.DiskDB(), codeHash)
+	code = rawdb.ReadCode(db.disk, codeHash)
 	if len(code) > 0 {
-		db.codeCache.Set(codeHash.Bytes(), code)
+		db.codeCache.Add(codeHash, code)
 		db.codeSizeCache.Add(codeHash, len(code))
 		return code, nil
 	}
@@ -196,13 +217,18 @@ func (db *cachingDB) ContractCode(addrHash, codeHash common.Hash) ([]byte, error
 // ContractCodeSize retrieves a particular contracts code's size.
 func (db *cachingDB) ContractCodeSize(addrHash, codeHash common.Hash) (int, error) {
 	if cached, ok := db.codeSizeCache.Get(codeHash); ok {
-		return cached.(int), nil
+		return cached, nil
 	}
 	code, err := db.ContractCode(addrHash, codeHash)
 	return len(code), err
 }
 
+// DiskDB returns the underlying key-value disk database.
+func (db *cachingDB) DiskDB() ethdb.KeyValueStore {
+	return db.disk
+}
+
 // TrieDB retrieves any intermediate trie-node caching layer.
 func (db *cachingDB) TrieDB() *trie.Database {
-	return db.db
+	return db.triedb
 }
diff --git a/core/state/dump.go b/core/state/dump.go
index 438a2d24cf..1884508fa3 100644
--- a/core/state/dump.go
+++ b/core/state/dump.go
@@ -39,7 +39,7 @@ import (
 	"github.com/ethereum/go-ethereum/rlp"
 )
 
-// DumpConfig is a set of options to control what portions of the statewill be
+// DumpConfig is a set of options to control what portions of the state will be
 // iterated and collected.
 type DumpConfig struct {
 	SkipCode          bool
@@ -178,7 +178,12 @@ func (s *StateDB) DumpToCollector(c DumpCollector, conf *DumpConfig) (nextKey []
 		}
 		if !conf.SkipStorage {
 			account.Storage = make(map[common.Hash]string)
-			storageIt := trie.NewIterator(obj.getTrie(s.db).NodeIterator(nil))
+			tr, err := obj.getTrie(s.db)
+			if err != nil {
+				log.Error("Failed to load storage trie", "err", err)
+				continue
+			}
+			storageIt := trie.NewIterator(tr.NodeIterator(nil))
 			for storageIt.Next() {
 				_, content, _, err := rlp.Split(storageIt.Value)
 				if err != nil {
diff --git a/core/state/iterator.go b/core/state/iterator.go
index a4d55090fd..5d35cfa995 100644
--- a/core/state/iterator.go
+++ b/core/state/iterator.go
@@ -119,7 +119,7 @@ func (it *NodeIterator) step() error {
 	if err := rlp.Decode(bytes.NewReader(it.stateIt.LeafBlob()), &account); err != nil {
 		return err
 	}
-	dataTrie, err := it.state.db.OpenStorageTrie(common.BytesToHash(it.stateIt.LeafKey()), account.Root)
+	dataTrie, err := it.state.db.OpenStorageTrie(it.state.originalRoot, common.BytesToHash(it.stateIt.LeafKey()), account.Root)
 	if err != nil {
 		return err
 	}
@@ -127,7 +127,7 @@ func (it *NodeIterator) step() error {
 	if !it.dataIt.Next(true) {
 		it.dataIt = nil
 	}
-	if !bytes.Equal(account.CodeHash, emptyCodeHash) {
+	if !bytes.Equal(account.CodeHash, types.EmptyCodeHash.Bytes()) {
 		it.codeHash = common.BytesToHash(account.CodeHash)
 		addrHash := common.BytesToHash(it.stateIt.LeafKey())
 		it.code, err = it.state.db.ContractCode(addrHash, common.BytesToHash(account.CodeHash))
diff --git a/core/state/journal.go b/core/state/journal.go
index 7dcf2d6093..1f62869fc3 100644
--- a/core/state/journal.go
+++ b/core/state/journal.go
@@ -148,6 +148,11 @@ type (
 		address *common.Address
 		slot    *common.Hash
 	}
+
+	transientStorageChange struct {
+		account       *common.Address
+		key, prevalue common.Hash
+	}
 )
 
 func (ch createObjectChange) revert(s *StateDB) {
@@ -161,8 +166,8 @@ func (ch createObjectChange) dirtied() *common.Address {
 
 func (ch resetObjectChange) revert(s *StateDB) {
 	s.setStateObject(ch.prev)
-	if !ch.prevdestruct && s.snap != nil {
-		delete(s.snapDestructs, ch.prev.addrHash)
+	if !ch.prevdestruct {
+		delete(s.stateObjectsDestruct, ch.prev.address)
 	}
 }
 
@@ -223,6 +228,14 @@ func (ch storageChange) dirtied() *common.Address {
 	return ch.account
 }
 
+func (ch transientStorageChange) revert(s *StateDB) {
+	s.setTransientState(*ch.account, ch.key, ch.prevalue)
+}
+
+func (ch transientStorageChange) dirtied() *common.Address {
+	return nil
+}
+
 func (ch refundChange) revert(s *StateDB) {
 	s.refund = ch.prev
 }
diff --git a/core/state/metrics.go b/core/state/metrics.go
index 9e45e6abd6..ff131416f0 100644
--- a/core/state/metrics.go
+++ b/core/state/metrics.go
@@ -29,10 +29,12 @@ package state
 import "github.com/ava-labs/subnet-evm/metrics"
 
 var (
-	accountUpdatedMeter        = metrics.NewRegisteredMeter("state/update/account", nil)
-	storageUpdatedMeter        = metrics.NewRegisteredMeter("state/update/storage", nil)
-	accountDeletedMeter        = metrics.NewRegisteredMeter("state/delete/account", nil)
-	storageDeletedMeter        = metrics.NewRegisteredMeter("state/delete/storage", nil)
-	accountTrieCommittedMeter  = metrics.NewRegisteredMeter("state/commit/accountnodes", nil)
-	storageTriesCommittedMeter = metrics.NewRegisteredMeter("state/commit/storagenodes", nil)
+	accountUpdatedMeter      = metrics.NewRegisteredMeter("state/update/account", nil)
+	storageUpdatedMeter      = metrics.NewRegisteredMeter("state/update/storage", nil)
+	accountDeletedMeter      = metrics.NewRegisteredMeter("state/delete/account", nil)
+	storageDeletedMeter      = metrics.NewRegisteredMeter("state/delete/storage", nil)
+	accountTrieUpdatedMeter  = metrics.NewRegisteredMeter("state/update/accountnodes", nil)
+	storageTriesUpdatedMeter = metrics.NewRegisteredMeter("state/update/storagenodes", nil)
+	accountTrieDeletedMeter  = metrics.NewRegisteredMeter("state/delete/accountnodes", nil)
+	storageTriesDeletedMeter = metrics.NewRegisteredMeter("state/delete/storagenodes", nil)
 )
diff --git a/core/state/pruner/pruner.go b/core/state/pruner/pruner.go
index d4f2660119..a9035e19db 100644
--- a/core/state/pruner/pruner.go
+++ b/core/state/pruner/pruner.go
@@ -43,7 +43,6 @@ import (
 	"github.com/ava-labs/subnet-evm/ethdb"
 	"github.com/ava-labs/subnet-evm/trie"
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/rlp"
 )
@@ -65,13 +64,12 @@ const (
 	rangeCompactionThreshold = 100000
 )
 
-var (
-	// emptyRoot is the known root hash of an empty trie.
-	emptyRoot = common.HexToHash("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
-
-	// emptyCode is the known hash of the empty EVM bytecode.
-	emptyCode = crypto.Keccak256(nil)
-)
+// Config includes all the configurations for pruning.
+type Config struct {
+	Datadir   string // The directory of the state database
+	Cachedir  string // The directory of state clean cache
+	BloomSize uint64 // The Megabytes of memory allocated to bloom-filter
+}
 
 // Pruner is an offline tool to prune the stale state with the
 // help of the snapshot. The workflow of pruner is very simple:
@@ -85,41 +83,47 @@ var (
 // periodically in order to release the disk usage and improve the
 // disk read performance to some extent.
 type Pruner struct {
-	db         ethdb.Database
-	stateBloom *stateBloom
-	datadir    string
-	headHeader *types.Header
-	snaptree   *snapshot.Tree
+	config      Config
+	chainHeader *types.Header
+	db          ethdb.Database
+	stateBloom  *stateBloom
+	snaptree    *snapshot.Tree
 }
 
 // NewPruner creates the pruner instance.
-func NewPruner(db ethdb.Database, datadir string, bloomSize uint64) (*Pruner, error) {
+func NewPruner(db ethdb.Database, config Config) (*Pruner, error) {
 	headBlock := rawdb.ReadHeadBlock(db)
 	if headBlock == nil {
-		return nil, errors.New("Failed to load head block")
+		return nil, errors.New("failed to load head block")
 	}
 	// Note: we refuse to start a pruning session unless the snapshot disk layer exists, which should prevent
 	// us from ever needing to enter RecoverPruning in an invalid pruning session (a session where we do not have
 	// the protected trie in the triedb and in the snapshot disk layer).
-	snaptree, err := snapshot.New(db, trie.NewDatabase(db), 256, headBlock.Hash(), headBlock.Root(), false, false, false)
+	snapconfig := snapshot.Config{
+		CacheSize:  256,
+		AsyncBuild: false,
+		NoBuild:    true,
+		SkipVerify: true,
+	}
+	snaptree, err := snapshot.New(snapconfig, db, trie.NewDatabase(db), headBlock.Hash(), headBlock.Root())
 	if err != nil {
 		return nil, fmt.Errorf("failed to create snapshot for pruning, must restart without offline pruning disabled to recover: %w", err) // The relevant snapshot(s) might not exist
 	}
 	// Sanitize the bloom filter size if it's too small.
-	if bloomSize < 256 {
-		log.Warn("Sanitizing bloomfilter size", "provided(MB)", bloomSize, "updated(MB)", 256)
-		bloomSize = 256
+	if config.BloomSize < 256 {
+		log.Warn("Sanitizing bloomfilter size", "provided(MB)", config.BloomSize, "updated(MB)", 256)
+		config.BloomSize = 256
 	}
-	stateBloom, err := newStateBloomWithSize(bloomSize)
+	stateBloom, err := newStateBloomWithSize(config.BloomSize)
 	if err != nil {
 		return nil, err
 	}
 	return &Pruner{
-		db:         db,
-		stateBloom: stateBloom,
-		datadir:    datadir,
-		headHeader: headBlock.Header(),
-		snaptree:   snaptree,
+		config:      config,
+		chainHeader: headBlock.Header(),
+		db:          db,
+		stateBloom:  stateBloom,
+		snaptree:    snaptree,
 	}, nil
 }
 
@@ -254,12 +258,12 @@ func (p *Pruner) Prune(root common.Hash) error {
 	// reuse it for pruning instead of generating a new one. It's
 	// mandatory because a part of state may already be deleted,
 	// the recovery procedure is necessary.
-	_, stateBloomRoot, err := findBloomFilter(p.datadir)
+	_, stateBloomRoot, err := findBloomFilter(p.config.Datadir)
 	if err != nil {
 		return err
 	}
 	if stateBloomRoot != (common.Hash{}) {
-		return RecoverPruning(p.datadir, p.db)
+		return RecoverPruning(p.config.Datadir, p.db, p.config.Cachedir)
 	}
 
 	// If the target state root is not specified, return a fatal error.
@@ -269,11 +273,16 @@ func (p *Pruner) Prune(root common.Hash) error {
 	// Ensure the root is really present. The weak assumption
 	// is the presence of root can indicate the presence of the
 	// entire trie.
-	if !rawdb.HasTrieNode(p.db, root) {
+	if !rawdb.HasLegacyTrieNode(p.db, root) {
 		return fmt.Errorf("associated state[%x] is not present", root)
 	} else {
 		log.Info("Selecting last accepted block root as the pruning target", "root", root)
 	}
+	// Before start the pruning, delete the clean trie cache first.
+	// It's necessary otherwise in the next restart we will hit the
+	// deleted state root in the "clean cache" so that the incomplete
+	// state is picked for usage.
+	deleteCleanTrieCache(p.config.Cachedir)
 
 	// Traverse the target state, re-construct the whole state trie and
 	// commit to the given bloom filter.
@@ -286,7 +295,7 @@ func (p *Pruner) Prune(root common.Hash) error {
 	if err := extractGenesis(p.db, p.stateBloom); err != nil {
 		return err
 	}
-	filterName := bloomFilterName(p.datadir, root)
+	filterName := bloomFilterName(p.config.Datadir, root)
 
 	log.Info("Writing state bloom to disk", "name", filterName)
 	if err := p.stateBloom.Commit(filterName, filterName+stateBloomFileTempSuffix); err != nil {
@@ -303,7 +312,7 @@ func (p *Pruner) Prune(root common.Hash) error {
 // pruning can be resumed. What's more if the bloom filter is constructed, the
 // pruning **has to be resumed**. Otherwise a lot of dangling nodes may be left
 // in the disk.
-func RecoverPruning(datadir string, db ethdb.Database) error {
+func RecoverPruning(datadir string, db ethdb.Database, trieCachePath string) error {
 	stateBloomPath, stateBloomRoot, err := findBloomFilter(datadir)
 	if err != nil {
 		return err
@@ -313,7 +322,7 @@ func RecoverPruning(datadir string, db ethdb.Database) error {
 	}
 	headBlock := rawdb.ReadHeadBlock(db)
 	if headBlock == nil {
-		return errors.New("Failed to load head block")
+		return errors.New("failed to load head block")
 	}
 	stateBloom, err := NewStateBloomFromDisk(stateBloomPath)
 	if err != nil {
@@ -321,6 +330,12 @@ func RecoverPruning(datadir string, db ethdb.Database) error {
 	}
 	log.Info("Loaded state bloom filter", "path", stateBloomPath)
 
+	// Before start the pruning, delete the clean trie cache first.
+	// It's necessary otherwise in the next restart we will hit the
+	// deleted state root in the "clean cache" so that the incomplete
+	// state is picked for usage.
+	deleteCleanTrieCache(trieCachePath)
+
 	// All the state roots of the middle layers should be forcibly pruned,
 	// otherwise the dangling state will be left.
 	if stateBloomRoot != headBlock.Root() {
@@ -341,7 +356,7 @@ func extractGenesis(db ethdb.Database, stateBloom *stateBloom) error {
 	if genesis == nil {
 		return errors.New("missing genesis block")
 	}
-	t, err := trie.NewStateTrie(common.Hash{}, genesis.Root(), trie.NewDatabase(db))
+	t, err := trie.NewStateTrie(trie.StateTrieID(genesis.Root()), trie.NewDatabase(db))
 	if err != nil {
 		return err
 	}
@@ -360,8 +375,9 @@ func extractGenesis(db ethdb.Database, stateBloom *stateBloom) error {
 			if err := rlp.DecodeBytes(accIter.LeafBlob(), &acc); err != nil {
 				return err
 			}
-			if acc.Root != emptyRoot {
-				storageTrie, err := trie.NewStateTrie(common.BytesToHash(accIter.LeafKey()), acc.Root, trie.NewDatabase(db))
+			if acc.Root != types.EmptyRootHash {
+				id := trie.StorageTrieID(genesis.Root(), common.BytesToHash(accIter.LeafKey()), acc.Root)
+				storageTrie, err := trie.NewStateTrie(id, trie.NewDatabase(db))
 				if err != nil {
 					return err
 				}
@@ -376,7 +392,7 @@ func extractGenesis(db ethdb.Database, stateBloom *stateBloom) error {
 					return storageIter.Error()
 				}
 			}
-			if !bytes.Equal(acc.CodeHash, emptyCode) {
+			if !bytes.Equal(acc.CodeHash, types.EmptyCodeHash.Bytes()) {
 				stateBloom.Put(acc.CodeHash, nil)
 			}
 		}
@@ -415,3 +431,23 @@ func findBloomFilter(datadir string) (string, common.Hash, error) {
 	}
 	return stateBloomPath, stateBloomRoot, nil
 }
+
+const warningLog = `
+
+WARNING!
+
+The clean trie cache is not found. Please delete it by yourself after the
+pruning. Remember don't start the Subnet-EVM without deleting the clean trie cache
+otherwise the entire database may be damaged!
+
+Check the configuration option "offline-pruning-enabled" for more details.
+`
+
+func deleteCleanTrieCache(path string) {
+	if !common.FileExist(path) {
+		log.Warn(warningLog)
+		return
+	}
+	os.RemoveAll(path)
+	log.Info("Deleted trie clean cache", "path", path)
+}
diff --git a/core/state/snapshot/account.go b/core/state/snapshot/account.go
index 85bd6deb22..5a3444eb44 100644
--- a/core/state/snapshot/account.go
+++ b/core/state/snapshot/account.go
@@ -30,6 +30,7 @@ import (
 	"bytes"
 	"math/big"
 
+	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/rlp"
 )
@@ -51,10 +52,10 @@ func SlimAccount(nonce uint64, balance *big.Int, root common.Hash, codehash []by
 		Nonce:   nonce,
 		Balance: balance,
 	}
-	if root != emptyRoot {
+	if root != types.EmptyRootHash {
 		slim.Root = root[:]
 	}
-	if !bytes.Equal(codehash, emptyCode[:]) {
+	if !bytes.Equal(codehash, types.EmptyCodeHash[:]) {
 		slim.CodeHash = codehash
 	}
 	return slim
@@ -78,10 +79,10 @@ func FullAccount(data []byte) (Account, error) {
 		return Account{}, err
 	}
 	if len(account.Root) == 0 {
-		account.Root = emptyRoot[:]
+		account.Root = types.EmptyRootHash[:]
 	}
 	if len(account.CodeHash) == 0 {
-		account.CodeHash = emptyCode[:]
+		account.CodeHash = types.EmptyCodeHash[:]
 	}
 	return account, nil
 }
diff --git a/core/state/snapshot/conversion.go b/core/state/snapshot/conversion.go
index d6fb913488..72d0de9980 100644
--- a/core/state/snapshot/conversion.go
+++ b/core/state/snapshot/conversion.go
@@ -37,6 +37,7 @@ import (
 	"time"
 
 	"github.com/ava-labs/subnet-evm/core/rawdb"
+	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/ethdb"
 	"github.com/ava-labs/subnet-evm/trie"
 	"github.com/ethereum/go-ethereum/common"
@@ -53,7 +54,7 @@ type trieKV struct {
 type (
 	// trieGeneratorFn is the interface of trie generation which can
 	// be implemented by different trie algorithm.
-	trieGeneratorFn func(db ethdb.KeyValueWriter, owner common.Hash, in chan (trieKV), out chan (common.Hash))
+	trieGeneratorFn func(db ethdb.KeyValueWriter, scheme string, owner common.Hash, in chan (trieKV), out chan (common.Hash))
 
 	// leafCallbackFn is the callback invoked at the leaves of the trie,
 	// returns the subtrie root with the specified subtrie identifier.
@@ -62,12 +63,12 @@ type (
 
 // GenerateAccountTrieRoot takes an account iterator and reproduces the root hash.
 func GenerateAccountTrieRoot(it AccountIterator) (common.Hash, error) {
-	return generateTrieRoot(nil, it, common.Hash{}, stackTrieGenerate, nil, newGenerateStats(), true)
+	return generateTrieRoot(nil, "", it, common.Hash{}, stackTrieGenerate, nil, newGenerateStats(), true)
 }
 
 // GenerateStorageTrieRoot takes a storage iterator and reproduces the root hash.
 func GenerateStorageTrieRoot(account common.Hash, it StorageIterator) (common.Hash, error) {
-	return generateTrieRoot(nil, it, account, stackTrieGenerate, nil, newGenerateStats(), true)
+	return generateTrieRoot(nil, "", it, account, stackTrieGenerate, nil, newGenerateStats(), true)
 }
 
 // GenerateTrie takes the whole snapshot tree as the input, traverses all the
@@ -81,9 +82,10 @@ func GenerateTrie(snaptree *Tree, root common.Hash, src ethdb.Database, dst ethd
 	}
 	defer acctIt.Release()
 
-	got, err := generateTrieRoot(dst, acctIt, common.Hash{}, stackTrieGenerate, func(dst ethdb.KeyValueWriter, accountHash, codeHash common.Hash, stat *generateStats) (common.Hash, error) {
+	scheme := snaptree.triedb.Scheme()
+	got, err := generateTrieRoot(dst, scheme, acctIt, common.Hash{}, stackTrieGenerate, func(dst ethdb.KeyValueWriter, accountHash, codeHash common.Hash, stat *generateStats) (common.Hash, error) {
 		// Migrate the code first, commit the contract code into the tmp db.
-		if codeHash != emptyCode {
+		if codeHash != types.EmptyCodeHash {
 			code := rawdb.ReadCode(src, codeHash)
 			if len(code) == 0 {
 				return common.Hash{}, errors.New("failed to read contract code")
@@ -97,7 +99,7 @@ func GenerateTrie(snaptree *Tree, root common.Hash, src ethdb.Database, dst ethd
 		}
 		defer storageIt.Release()
 
-		hash, err := generateTrieRoot(dst, storageIt, accountHash, stackTrieGenerate, nil, stat, false)
+		hash, err := generateTrieRoot(dst, scheme, storageIt, accountHash, stackTrieGenerate, nil, stat, false)
 		if err != nil {
 			return common.Hash{}, err
 		}
@@ -146,7 +148,7 @@ func (stat *generateStats) progressAccounts(account common.Hash, done uint64) {
 	stat.head = account
 }
 
-// finishAccounts updates the gemerator stats for the finished account range.
+// finishAccounts updates the generator stats for the finished account range.
 func (stat *generateStats) finishAccounts(done uint64) {
 	stat.lock.Lock()
 	defer stat.lock.Unlock()
@@ -252,7 +254,7 @@ func runReport(stats *generateStats, stop chan bool) {
 // generateTrieRoot generates the trie hash based on the snapshot iterator.
 // It can be used for generating account trie, storage trie or even the
 // whole state which connects the accounts and the corresponding storages.
-func generateTrieRoot(db ethdb.KeyValueWriter, it Iterator, account common.Hash, generatorFn trieGeneratorFn, leafCallback leafCallbackFn, stats *generateStats, report bool) (common.Hash, error) {
+func generateTrieRoot(db ethdb.KeyValueWriter, scheme string, it Iterator, account common.Hash, generatorFn trieGeneratorFn, leafCallback leafCallbackFn, stats *generateStats, report bool) (common.Hash, error) {
 	var (
 		in      = make(chan trieKV)         // chan to pass leaves
 		out     = make(chan common.Hash, 1) // chan to collect result
@@ -263,7 +265,7 @@ func generateTrieRoot(db ethdb.KeyValueWriter, it Iterator, account common.Hash,
 	wg.Add(1)
 	go func() {
 		defer wg.Done()
-		generatorFn(db, account, in, out)
+		generatorFn(db, scheme, account, in, out)
 	}()
 	// Spin up a go-routine for progress logging
 	if report && stats != nil {
@@ -370,8 +372,14 @@ func generateTrieRoot(db ethdb.KeyValueWriter, it Iterator, account common.Hash,
 	return stop(nil)
 }
 
-func stackTrieGenerate(db ethdb.KeyValueWriter, owner common.Hash, in chan trieKV, out chan common.Hash) {
-	t := trie.NewStackTrieWithOwner(db, owner)
+func stackTrieGenerate(db ethdb.KeyValueWriter, scheme string, owner common.Hash, in chan trieKV, out chan common.Hash) {
+	var nodeWriter trie.NodeWriteFunc
+	if db != nil {
+		nodeWriter = func(owner common.Hash, path []byte, hash common.Hash, blob []byte) {
+			rawdb.WriteTrieNode(db, owner, path, hash, blob, scheme)
+		}
+	}
+	t := trie.NewStackTrieWithOwner(nodeWriter, owner)
 	for leaf := range in {
 		t.TryUpdate(leaf.key[:], leaf.value)
 	}
diff --git a/core/state/snapshot/difflayer.go b/core/state/snapshot/difflayer.go
index d96289ca66..6b897a140b 100644
--- a/core/state/snapshot/difflayer.go
+++ b/core/state/snapshot/difflayer.go
@@ -78,7 +78,7 @@ var (
 	bloomFuncs = math.Round((bloomSize / float64(aggregatorItemLimit)) * math.Log(2))
 
 	// the bloom offsets are runtime constants which determines which part of the
-	// the account/storage hash the hasher functions looks at, to determine the
+	// account/storage hash the hasher functions looks at, to determine the
 	// bloom key for an account/slot. This is randomized at init(), so that the
 	// global population of nodes do not all display the exact same behaviour with
 	// regards to bloom content
diff --git a/core/state/snapshot/difflayer_test.go b/core/state/snapshot/difflayer_test.go
index 131796a8ca..84358c59e3 100644
--- a/core/state/snapshot/difflayer_test.go
+++ b/core/state/snapshot/difflayer_test.go
@@ -28,6 +28,7 @@ package snapshot
 
 import (
 	"bytes"
+	crand "crypto/rand"
 	"math/rand"
 	"testing"
 
@@ -83,7 +84,7 @@ func TestMergeBasics(t *testing.T) {
 		if rand.Intn(2) == 0 {
 			accStorage := make(map[common.Hash][]byte)
 			value := make([]byte, 32)
-			rand.Read(value)
+			crand.Read(value)
 			accStorage[randomHash()] = value
 			storage[h] = accStorage
 		}
@@ -304,7 +305,7 @@ func BenchmarkSearchSlot(b *testing.B) {
 		accStorage := make(map[common.Hash][]byte)
 		for i := 0; i < 5; i++ {
 			value := make([]byte, 32)
-			rand.Read(value)
+			crand.Read(value)
 			accStorage[randomHash()] = value
 			storage[accountKey] = accStorage
 		}
@@ -340,7 +341,7 @@ func BenchmarkFlatten(b *testing.B) {
 			accStorage := make(map[common.Hash][]byte)
 			for i := 0; i < 20; i++ {
 				value := make([]byte, 32)
-				rand.Read(value)
+				crand.Read(value)
 				accStorage[randomHash()] = value
 			}
 			storage[accountKey] = accStorage
diff --git a/core/state/snapshot/generate.go b/core/state/snapshot/generate.go
index 112d523f72..1db02dd03b 100644
--- a/core/state/snapshot/generate.go
+++ b/core/state/snapshot/generate.go
@@ -34,12 +34,12 @@ import (
 	"time"
 
 	"github.com/ava-labs/subnet-evm/core/rawdb"
+	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/ethdb"
 	"github.com/ava-labs/subnet-evm/trie"
 	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/math"
-	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/rlp"
 )
@@ -49,14 +49,6 @@ const (
 	snapshotCacheStatsUpdateFrequency = 1000                             // update stats from the snapshot fastcache once per 1000 ops
 )
 
-var (
-	// emptyRoot is the known root hash of an empty trie.
-	emptyRoot = common.HexToHash("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
-
-	// emptyCode is the known hash of the empty EVM bytecode.
-	emptyCode = crypto.Keccak256Hash(nil)
-)
-
 // generatorStats is a collection of statistics gathered by the snapshot generator
 // for logging purposes.
 type generatorStats struct {
@@ -279,7 +271,8 @@ func (dl *diskLayer) generate(stats *generatorStats) {
 		}
 	}
 	// Create an account and state iterator pointing to the current generator marker
-	accTrie, err := trie.NewStateTrie(common.Hash{}, dl.root, dl.triedb)
+	trieId := trie.StateTrieID(dl.root)
+	accTrie, err := trie.NewStateTrie(trieId, dl.triedb)
 	if err != nil {
 		// The account trie is missing (GC), surf the chain until one becomes available
 		stats.Info("Trie missing, state snapshotting paused", dl.root, dl.genMarker)
@@ -332,8 +325,9 @@ func (dl *diskLayer) generate(stats *generatorStats) {
 		}
 		// If the iterated account is a contract, iterate through corresponding contract
 		// storage to generate snapshot entries.
-		if acc.Root != emptyRoot {
-			storeTrie, err := trie.NewStateTrie(accountHash, acc.Root, dl.triedb)
+		if acc.Root != types.EmptyRootHash {
+			storeTrieId := trie.StorageTrieID(dl.root, accountHash, acc.Root)
+			storeTrie, err := trie.NewStateTrie(storeTrieId, dl.triedb)
 			if err != nil {
 				log.Error("Generator failed to access storage trie", "root", dl.root, "account", accountHash, "stroot", acc.Root, "err", err)
 				abort := <-dl.genAbort
diff --git a/core/state/snapshot/generate_test.go b/core/state/snapshot/generate_test.go
index 970cca3ce0..0986a938e5 100644
--- a/core/state/snapshot/generate_test.go
+++ b/core/state/snapshot/generate_test.go
@@ -34,6 +34,7 @@ import (
 	"time"
 
 	"github.com/ava-labs/subnet-evm/core/rawdb"
+	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/ethdb"
 	"github.com/ava-labs/subnet-evm/trie"
 	"github.com/ethereum/go-ethereum/common"
@@ -58,14 +59,14 @@ func TestGeneration(t *testing.T) {
 	// We can't use statedb to make a test trie (circular dependency), so make
 	// a fake one manually. We're going with a small account trie of 3 accounts,
 	var helper = newHelper()
-	stRoot := helper.makeStorageTrie(common.Hash{}, []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, false)
+	stRoot := helper.makeStorageTrie(common.Hash{}, common.Hash{}, []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, false)
 
-	helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
-	helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(2), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()})
-	helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(3), Root: stRoot, CodeHash: emptyCode.Bytes()})
+	helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
+	helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(2), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()})
+	helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(3), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
 
-	helper.makeStorageTrie(hashData([]byte("acc-1")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-	helper.makeStorageTrie(hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+	helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-1")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+	helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
 
 	root, snap := helper.CommitAndGenerate() // two of which also has the same 3-slot storage trie attached.
 
@@ -94,17 +95,17 @@ func TestGenerateExistentState(t *testing.T) {
 	// two of which also has the same 3-slot storage trie attached.
 	var helper = newHelper()
 
-	stRoot := helper.makeStorageTrie(hashData([]byte("acc-1")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-	helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
-	helper.addSnapAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
+	stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-1")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+	helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
+	helper.addSnapAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
 	helper.addSnapStorage("acc-1", []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
 
-	helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(2), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()})
-	helper.addSnapAccount("acc-2", &Account{Balance: big.NewInt(2), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()})
+	helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(2), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()})
+	helper.addSnapAccount("acc-2", &Account{Balance: big.NewInt(2), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()})
 
-	stRoot = helper.makeStorageTrie(hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-	helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(3), Root: stRoot, CodeHash: emptyCode.Bytes()})
-	helper.addSnapAccount("acc-3", &Account{Balance: big.NewInt(3), Root: stRoot, CodeHash: emptyCode.Bytes()})
+	stRoot = helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+	helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(3), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
+	helper.addSnapAccount("acc-3", &Account{Balance: big.NewInt(3), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
 	helper.addSnapStorage("acc-3", []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
 
 	root, snap := helper.CommitAndGenerate()
@@ -127,12 +128,12 @@ func checkSnapRoot(t *testing.T, snap *diskLayer, trieRoot common.Hash) {
 	t.Helper()
 	accIt := snap.AccountIterator(common.Hash{})
 	defer accIt.Release()
-	snapRoot, err := generateTrieRoot(nil, accIt, common.Hash{}, stackTrieGenerate,
+	snapRoot, err := generateTrieRoot(nil, "", accIt, common.Hash{}, stackTrieGenerate,
 		func(db ethdb.KeyValueWriter, accountHash, codeHash common.Hash, stat *generateStats) (common.Hash, error) {
 			storageIt, _ := snap.StorageIterator(accountHash, common.Hash{})
 			defer storageIt.Release()
 
-			hash, err := generateTrieRoot(nil, storageIt, accountHash, stackTrieGenerate, nil, stat, false)
+			hash, err := generateTrieRoot(nil, "", storageIt, accountHash, stackTrieGenerate, nil, stat, false)
 			if err != nil {
 				return common.Hash{}, err
 			}
@@ -159,7 +160,7 @@ type testHelper struct {
 func newHelper() *testHelper {
 	diskdb := rawdb.NewMemoryDatabase()
 	triedb := trie.NewDatabase(diskdb)
-	accTrie, _ := trie.NewStateTrie(common.Hash{}, common.Hash{}, triedb)
+	accTrie, _ := trie.NewStateTrie(trie.StateTrieID(common.Hash{}), triedb)
 	return &testHelper{
 		diskdb:  diskdb,
 		triedb:  triedb,
@@ -191,15 +192,16 @@ func (t *testHelper) addSnapStorage(accKey string, keys []string, vals []string)
 	}
 }
 
-func (t *testHelper) makeStorageTrie(owner common.Hash, keys []string, vals []string, commit bool) []byte {
-	stTrie, _ := trie.NewStateTrie(owner, common.Hash{}, t.triedb)
+func (t *testHelper) makeStorageTrie(stateRoot, owner common.Hash, keys []string, vals []string, commit bool) []byte {
+	id := trie.StorageTrieID(stateRoot, owner, common.Hash{})
+	stTrie, _ := trie.NewStateTrie(id, t.triedb)
 	for i, k := range keys {
 		stTrie.Update([]byte(k), []byte(vals[i]))
 	}
 	if !commit {
 		return stTrie.Hash().Bytes()
 	}
-	root, nodes, _ := stTrie.Commit(false)
+	root, nodes := stTrie.Commit(false)
 	if nodes != nil {
 		t.nodes.Merge(nodes)
 	}
@@ -207,12 +209,12 @@ func (t *testHelper) makeStorageTrie(owner common.Hash, keys []string, vals []st
 }
 
 func (t *testHelper) Commit() common.Hash {
-	root, nodes, _ := t.accTrie.Commit(true)
+	root, nodes := t.accTrie.Commit(true)
 	if nodes != nil {
 		t.nodes.Merge(nodes)
 	}
 	t.triedb.Update(t.nodes)
-	t.triedb.Commit(root, false, nil)
+	t.triedb.Commit(root, false)
 	return root
 }
 
@@ -244,69 +246,69 @@ func TestGenerateExistentStateWithWrongStorage(t *testing.T) {
 	helper := newHelper()
 
 	// Account one, empty root but non-empty database
-	helper.addAccount("acc-1", &Account{Balance: big.NewInt(1), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()})
+	helper.addAccount("acc-1", &Account{Balance: big.NewInt(1), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()})
 	helper.addSnapStorage("acc-1", []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
 
 	// Account two, non empty root but empty database
-	stRoot := helper.makeStorageTrie(hashData([]byte("acc-2")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-	helper.addAccount("acc-2", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
+	stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-2")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+	helper.addAccount("acc-2", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
 
 	// Miss slots
 	{
 		// Account three, non empty root but misses slots in the beginning
-		helper.makeStorageTrie(hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-		helper.addAccount("acc-3", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
+		helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+		helper.addAccount("acc-3", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
 		helper.addSnapStorage("acc-3", []string{"key-2", "key-3"}, []string{"val-2", "val-3"})
 
 		// Account four, non empty root but misses slots in the middle
-		helper.makeStorageTrie(hashData([]byte("acc-4")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-		helper.addAccount("acc-4", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
+		helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-4")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+		helper.addAccount("acc-4", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
 		helper.addSnapStorage("acc-4", []string{"key-1", "key-3"}, []string{"val-1", "val-3"})
 
 		// Account five, non empty root but misses slots in the end
-		helper.makeStorageTrie(hashData([]byte("acc-5")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-		helper.addAccount("acc-5", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
+		helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-5")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+		helper.addAccount("acc-5", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
 		helper.addSnapStorage("acc-5", []string{"key-1", "key-2"}, []string{"val-1", "val-2"})
 	}
 
 	// Wrong storage slots
 	{
 		// Account six, non empty root but wrong slots in the beginning
-		helper.makeStorageTrie(hashData([]byte("acc-6")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-		helper.addAccount("acc-6", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
+		helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-6")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+		helper.addAccount("acc-6", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
 		helper.addSnapStorage("acc-6", []string{"key-1", "key-2", "key-3"}, []string{"badval-1", "val-2", "val-3"})
 
 		// Account seven, non empty root but wrong slots in the middle
-		helper.makeStorageTrie(hashData([]byte("acc-7")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-		helper.addAccount("acc-7", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
+		helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-7")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+		helper.addAccount("acc-7", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
 		helper.addSnapStorage("acc-7", []string{"key-1", "key-2", "key-3"}, []string{"val-1", "badval-2", "val-3"})
 
 		// Account eight, non empty root but wrong slots in the end
-		helper.makeStorageTrie(hashData([]byte("acc-8")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-		helper.addAccount("acc-8", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
+		helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-8")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+		helper.addAccount("acc-8", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
 		helper.addSnapStorage("acc-8", []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "badval-3"})
 
 		// Account 9, non empty root but rotated slots
-		helper.makeStorageTrie(hashData([]byte("acc-9")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-		helper.addAccount("acc-9", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
+		helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-9")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+		helper.addAccount("acc-9", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
 		helper.addSnapStorage("acc-9", []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-3", "val-2"})
 	}
 
 	// Extra storage slots
 	{
 		// Account 10, non empty root but extra slots in the beginning
-		helper.makeStorageTrie(hashData([]byte("acc-10")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-		helper.addAccount("acc-10", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
+		helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-10")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+		helper.addAccount("acc-10", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
 		helper.addSnapStorage("acc-10", []string{"key-0", "key-1", "key-2", "key-3"}, []string{"val-0", "val-1", "val-2", "val-3"})
 
 		// Account 11, non empty root but extra slots in the middle
-		helper.makeStorageTrie(hashData([]byte("acc-11")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-		helper.addAccount("acc-11", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
+		helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-11")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+		helper.addAccount("acc-11", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
 		helper.addSnapStorage("acc-11", []string{"key-1", "key-2", "key-2-1", "key-3"}, []string{"val-1", "val-2", "val-2-1", "val-3"})
 
 		// Account 12, non empty root but extra slots in the end
-		helper.makeStorageTrie(hashData([]byte("acc-12")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-		helper.addAccount("acc-12", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
+		helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-12")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+		helper.addAccount("acc-12", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
 		helper.addSnapStorage("acc-12", []string{"key-1", "key-2", "key-3", "key-4"}, []string{"val-1", "val-2", "val-3", "val-4"})
 	}
 
@@ -335,36 +337,36 @@ func TestGenerateExistentStateWithWrongStorage(t *testing.T) {
 func TestGenerateExistentStateWithWrongAccounts(t *testing.T) {
 	helper := newHelper()
 
-	helper.makeStorageTrie(hashData([]byte("acc-1")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-	helper.makeStorageTrie(hashData([]byte("acc-2")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-	helper.makeStorageTrie(hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-	helper.makeStorageTrie(hashData([]byte("acc-4")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-	stRoot := helper.makeStorageTrie(hashData([]byte("acc-6")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+	helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-1")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+	helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-2")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+	helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+	helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-4")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+	stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-6")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
 
 	// Trie accounts [acc-1, acc-2, acc-3, acc-4, acc-6]
 	// Extra accounts [acc-0, acc-5, acc-7]
 
 	// Missing accounts, only in the trie
 	{
-		helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()}) // Beginning
-		helper.addTrieAccount("acc-4", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()}) // Middle
-		helper.addTrieAccount("acc-6", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()}) // End
+		helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()}) // Beginning
+		helper.addTrieAccount("acc-4", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()}) // Middle
+		helper.addTrieAccount("acc-6", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()}) // End
 	}
 
 	// Wrong accounts
 	{
-		helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
+		helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
 		helper.addSnapAccount("acc-2", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: common.Hex2Bytes("0x1234")})
 
-		helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
-		helper.addSnapAccount("acc-3", &Account{Balance: big.NewInt(1), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()})
+		helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
+		helper.addSnapAccount("acc-3", &Account{Balance: big.NewInt(1), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()})
 	}
 
 	// Extra accounts, only in the snap
 	{
-		helper.addSnapAccount("acc-0", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyRoot.Bytes()})                     // before the beginning
-		helper.addSnapAccount("acc-5", &Account{Balance: big.NewInt(1), Root: emptyRoot.Bytes(), CodeHash: common.Hex2Bytes("0x1234")}) // Middle
-		helper.addSnapAccount("acc-7", &Account{Balance: big.NewInt(1), Root: emptyRoot.Bytes(), CodeHash: emptyRoot.Bytes()})          // after the end
+		helper.addSnapAccount("acc-0", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})                      // before the beginning
+		helper.addSnapAccount("acc-5", &Account{Balance: big.NewInt(1), Root: types.EmptyRootHash.Bytes(), CodeHash: common.Hex2Bytes("0x1234")})  // Middle
+		helper.addSnapAccount("acc-7", &Account{Balance: big.NewInt(1), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()}) // after the end
 	}
 
 	root, snap := helper.CommitAndGenerate()
@@ -393,14 +395,14 @@ func TestGenerateCorruptAccountTrie(t *testing.T) {
 	// without any storage slots to keep the test smaller.
 	helper := newHelper()
 
-	helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()}) // 0xc7a30f39aff471c95d8a837497ad0e49b65be475cc0953540f80cfcdbdcd9074
-	helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(2), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()}) // 0x65145f923027566669a1ae5ccac66f945b55ff6eaeb17d2ea8e048b7d381f2d7
-	helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(3), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()}) // 0x19ead688e907b0fab07176120dceec244a72aff2f0aa51e8b827584e378772f4
+	helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()}) // 0xc7a30f39aff471c95d8a837497ad0e49b65be475cc0953540f80cfcdbdcd9074
+	helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(2), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()}) // 0x65145f923027566669a1ae5ccac66f945b55ff6eaeb17d2ea8e048b7d381f2d7
+	helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(3), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()}) // 0x19ead688e907b0fab07176120dceec244a72aff2f0aa51e8b827584e378772f4
 
 	root := helper.Commit() // Root: 0xa04693ea110a31037fb5ee814308a6f1d76bdab0b11676bdf4541d2de55ba978
 
 	// Delete an account trie leaf and ensure the generator chokes
-	helper.triedb.Commit(root, false, nil)
+	helper.triedb.Commit(root, false)
 	helper.diskdb.Delete(common.HexToHash("0x65145f923027566669a1ae5ccac66f945b55ff6eaeb17d2ea8e048b7d381f2d7").Bytes())
 
 	snap := generateSnapshot(helper.diskdb, helper.triedb, 16, testBlockHash, root, nil)
@@ -427,11 +429,11 @@ func TestGenerateMissingStorageTrie(t *testing.T) {
 	// two of which also has the same 3-slot storage trie attached.
 	helper := newHelper()
 
-	stRoot := helper.makeStorageTrie(hashData([]byte("acc-1")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true) // 0xddefcd9376dd029653ef384bd2f0a126bb755fe84fdcc9e7cf421ba454f2bc67
-	helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})                                 // 0x9250573b9c18c664139f3b6a7a8081b7d8f8916a8fcc5d94feec6c29f5fd4e9e
-	helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(2), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()})                      // 0x65145f923027566669a1ae5ccac66f945b55ff6eaeb17d2ea8e048b7d381f2d7
-	stRoot = helper.makeStorageTrie(hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-	helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(3), Root: stRoot, CodeHash: emptyCode.Bytes()}) // 0x50815097425d000edfc8b3a4a13e175fc2bdcfee8bdfbf2d1ff61041d3c235b2
+	stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-1")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true) // 0xddefcd9376dd029653ef384bd2f0a126bb755fe84fdcc9e7cf421ba454f2bc67
+	helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})                                      // 0x9250573b9c18c664139f3b6a7a8081b7d8f8916a8fcc5d94feec6c29f5fd4e9e
+	helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(2), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()})                 // 0x65145f923027566669a1ae5ccac66f945b55ff6eaeb17d2ea8e048b7d381f2d7
+	stRoot = helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+	helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(3), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()}) // 0x50815097425d000edfc8b3a4a13e175fc2bdcfee8bdfbf2d1ff61041d3c235b2
 	root := helper.Commit()
 
 	// Delete a storage trie root and ensure the generator chokes
@@ -460,11 +462,11 @@ func TestGenerateCorruptStorageTrie(t *testing.T) {
 	// two of which also has the same 3-slot storage trie attached.
 	helper := newHelper()
 
-	stRoot := helper.makeStorageTrie(hashData([]byte("acc-1")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true) // 0xddefcd9376dd029653ef384bd2f0a126bb755fe84fdcc9e7cf421ba454f2bc67
-	helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})                                 // 0x1314700b81afc49f94db3623ef1df38f3ed18b73a1b7ea2f6c095118cf6118a0
-	helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(2), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()})                      // 0x18a0f4d79cff4459642dd7604f303886ad9d77c30cf3d7d7cedb3a693ab6d371
-	stRoot = helper.makeStorageTrie(hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)  // 0xddefcd9376dd029653ef384bd2f0a126bb755fe84fdcc9e7cf421ba454f2bc67
-	helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(3), Root: stRoot, CodeHash: emptyCode.Bytes()})                                 // 0x50815097425d000edfc8b3a4a13e175fc2bdcfee8bdfbf2d1ff61041d3c235b2
+	stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-1")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true) // 0xddefcd9376dd029653ef384bd2f0a126bb755fe84fdcc9e7cf421ba454f2bc67
+	helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})                                      // 0x1314700b81afc49f94db3623ef1df38f3ed18b73a1b7ea2f6c095118cf6118a0
+	helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(2), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()})                 // 0x18a0f4d79cff4459642dd7604f303886ad9d77c30cf3d7d7cedb3a693ab6d371
+	stRoot = helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)  // 0xddefcd9376dd029653ef384bd2f0a126bb755fe84fdcc9e7cf421ba454f2bc67
+	helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(3), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})                                      // 0x50815097425d000edfc8b3a4a13e175fc2bdcfee8bdfbf2d1ff61041d3c235b2
 	root := helper.Commit()
 
 	// Delete a storage trie leaf and ensure the generator chokes
@@ -490,43 +492,43 @@ func TestGenerateWithExtraAccounts(t *testing.T) {
 	helper := newHelper()
 	{
 		// Account one in the trie
-		stRoot := helper.makeStorageTrie(hashData([]byte("acc-1")),
+		stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-1")),
 			[]string{"key-1", "key-2", "key-3", "key-4", "key-5"},
 			[]string{"val-1", "val-2", "val-3", "val-4", "val-5"},
 			true,
 		)
-		acc := &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()}
+		acc := &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()}
 		val, _ := rlp.EncodeToBytes(acc)
 		helper.accTrie.Update([]byte("acc-1"), val) // 0x9250573b9c18c664139f3b6a7a8081b7d8f8916a8fcc5d94feec6c29f5fd4e9e
 
 		// Identical in the snap
 		key := hashData([]byte("acc-1"))
-		rawdb.WriteAccountSnapshot(helper.triedb.DiskDB(), key, val)
-		rawdb.WriteStorageSnapshot(helper.triedb.DiskDB(), key, hashData([]byte("key-1")), []byte("val-1"))
-		rawdb.WriteStorageSnapshot(helper.triedb.DiskDB(), key, hashData([]byte("key-2")), []byte("val-2"))
-		rawdb.WriteStorageSnapshot(helper.triedb.DiskDB(), key, hashData([]byte("key-3")), []byte("val-3"))
-		rawdb.WriteStorageSnapshot(helper.triedb.DiskDB(), key, hashData([]byte("key-4")), []byte("val-4"))
-		rawdb.WriteStorageSnapshot(helper.triedb.DiskDB(), key, hashData([]byte("key-5")), []byte("val-5"))
+		rawdb.WriteAccountSnapshot(helper.diskdb, key, val)
+		rawdb.WriteStorageSnapshot(helper.diskdb, key, hashData([]byte("key-1")), []byte("val-1"))
+		rawdb.WriteStorageSnapshot(helper.diskdb, key, hashData([]byte("key-2")), []byte("val-2"))
+		rawdb.WriteStorageSnapshot(helper.diskdb, key, hashData([]byte("key-3")), []byte("val-3"))
+		rawdb.WriteStorageSnapshot(helper.diskdb, key, hashData([]byte("key-4")), []byte("val-4"))
+		rawdb.WriteStorageSnapshot(helper.diskdb, key, hashData([]byte("key-5")), []byte("val-5"))
 	}
 	{
 		// Account two exists only in the snapshot
-		stRoot := helper.makeStorageTrie(hashData([]byte("acc-2")),
+		stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-2")),
 			[]string{"key-1", "key-2", "key-3", "key-4", "key-5"},
 			[]string{"val-1", "val-2", "val-3", "val-4", "val-5"},
 			true,
 		)
-		acc := &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()}
+		acc := &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()}
 		val, _ := rlp.EncodeToBytes(acc)
 		key := hashData([]byte("acc-2"))
-		rawdb.WriteAccountSnapshot(helper.triedb.DiskDB(), key, val)
-		rawdb.WriteStorageSnapshot(helper.triedb.DiskDB(), key, hashData([]byte("b-key-1")), []byte("b-val-1"))
-		rawdb.WriteStorageSnapshot(helper.triedb.DiskDB(), key, hashData([]byte("b-key-2")), []byte("b-val-2"))
-		rawdb.WriteStorageSnapshot(helper.triedb.DiskDB(), key, hashData([]byte("b-key-3")), []byte("b-val-3"))
+		rawdb.WriteAccountSnapshot(helper.diskdb, key, val)
+		rawdb.WriteStorageSnapshot(helper.diskdb, key, hashData([]byte("b-key-1")), []byte("b-val-1"))
+		rawdb.WriteStorageSnapshot(helper.diskdb, key, hashData([]byte("b-key-2")), []byte("b-val-2"))
+		rawdb.WriteStorageSnapshot(helper.diskdb, key, hashData([]byte("b-key-3")), []byte("b-val-3"))
 	}
 	root := helper.Commit()
 
 	// To verify the test: If we now inspect the snap db, there should exist extraneous storage items
-	if data := rawdb.ReadStorageSnapshot(helper.triedb.DiskDB(), hashData([]byte("acc-2")), hashData([]byte("b-key-1"))); data == nil {
+	if data := rawdb.ReadStorageSnapshot(helper.diskdb, hashData([]byte("acc-2")), hashData([]byte("b-key-1"))); data == nil {
 		t.Fatalf("expected snap storage to exist")
 	}
 	snap := generateSnapshot(helper.diskdb, helper.triedb, 16, testBlockHash, root, nil)
@@ -544,7 +546,7 @@ func TestGenerateWithExtraAccounts(t *testing.T) {
 	snap.genAbort <- stop
 	<-stop
 	// If we now inspect the snap db, there should exist no extraneous storage items
-	if data := rawdb.ReadStorageSnapshot(helper.triedb.DiskDB(), hashData([]byte("acc-2")), hashData([]byte("b-key-1"))); data != nil {
+	if data := rawdb.ReadStorageSnapshot(helper.diskdb, hashData([]byte("acc-2")), hashData([]byte("b-key-1"))); data != nil {
 		t.Fatalf("expected slot to be removed, got %v", string(data))
 	}
 }
@@ -561,12 +563,12 @@ func TestGenerateWithManyExtraAccounts(t *testing.T) {
 	helper := newHelper()
 	{
 		// Account one in the trie
-		stRoot := helper.makeStorageTrie(hashData([]byte("acc-1")),
+		stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-1")),
 			[]string{"key-1", "key-2", "key-3"},
 			[]string{"val-1", "val-2", "val-3"},
 			true,
 		)
-		acc := &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()}
+		acc := &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()}
 		val, _ := rlp.EncodeToBytes(acc)
 		helper.accTrie.Update([]byte("acc-1"), val) // 0x9250573b9c18c664139f3b6a7a8081b7d8f8916a8fcc5d94feec6c29f5fd4e9e
 
@@ -580,8 +582,7 @@ func TestGenerateWithManyExtraAccounts(t *testing.T) {
 	{
 		// 100 accounts exist only in snapshot
 		for i := 0; i < 1000; i++ {
-			//acc := &Account{Balance: big.NewInt(int64(i)), Root: stTrie.Hash().Bytes(), CodeHash: emptyCode.Bytes()}
-			acc := &Account{Balance: big.NewInt(int64(i)), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()}
+			acc := &Account{Balance: big.NewInt(int64(i)), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()}
 			val, _ := rlp.EncodeToBytes(acc)
 			key := hashData([]byte(fmt.Sprintf("acc-%d", i)))
 			rawdb.WriteAccountSnapshot(helper.diskdb, key, val)
@@ -617,7 +618,7 @@ func TestGenerateWithExtraBeforeAndAfter(t *testing.T) {
 	}
 	helper := newHelper()
 	{
-		acc := &Account{Balance: big.NewInt(1), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()}
+		acc := &Account{Balance: big.NewInt(1), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()}
 		val, _ := rlp.EncodeToBytes(acc)
 		helper.accTrie.Update(common.HexToHash("0x03").Bytes(), val)
 		helper.accTrie.Update(common.HexToHash("0x07").Bytes(), val)
@@ -653,7 +654,7 @@ func TestGenerateWithMalformedSnapdata(t *testing.T) {
 	}
 	helper := newHelper()
 	{
-		acc := &Account{Balance: big.NewInt(1), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()}
+		acc := &Account{Balance: big.NewInt(1), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()}
 		val, _ := rlp.EncodeToBytes(acc)
 		helper.accTrie.Update(common.HexToHash("0x03").Bytes(), val)
 
@@ -688,9 +689,9 @@ func TestGenerateFromEmptySnap(t *testing.T) {
 	helper := newHelper()
 	// Add 1K accounts to the trie
 	for i := 0; i < 400; i++ {
-		stRoot := helper.makeStorageTrie(hashData([]byte(fmt.Sprintf("acc-%d", i))), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+		stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte(fmt.Sprintf("acc-%d", i))), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
 		helper.addTrieAccount(fmt.Sprintf("acc-%d", i),
-			&Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
+			&Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
 	}
 	root, snap := helper.CommitAndGenerate()
 	t.Logf("Root: %#x\n", root) // Root: 0x6f7af6d2e1a1bf2b84a3beb3f8b64388465fbc1e274ca5d5d3fc787ca78f59e4
@@ -725,8 +726,8 @@ func TestGenerateWithIncompleteStorage(t *testing.T) {
 	// on the sensitive spots at the boundaries
 	for i := 0; i < 8; i++ {
 		accKey := fmt.Sprintf("acc-%d", i)
-		stRoot := helper.makeStorageTrie(hashData([]byte(accKey)), stKeys, stVals, true)
-		helper.addAccount(accKey, &Account{Balance: big.NewInt(int64(i)), Root: stRoot, CodeHash: emptyCode.Bytes()})
+		stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte(accKey)), stKeys, stVals, true)
+		helper.addAccount(accKey, &Account{Balance: big.NewInt(int64(i)), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
 		var moddedKeys []string
 		var moddedVals []string
 		for ii := 0; ii < 8; ii++ {
@@ -817,12 +818,12 @@ func populateDangling(disk ethdb.KeyValueStore) {
 func TestGenerateCompleteSnapshotWithDanglingStorage(t *testing.T) {
 	var helper = newHelper()
 
-	stRoot := helper.makeStorageTrie(hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-	helper.addAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
-	helper.addAccount("acc-2", &Account{Balance: big.NewInt(1), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()})
+	stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+	helper.addAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
+	helper.addAccount("acc-2", &Account{Balance: big.NewInt(1), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()})
 
-	helper.makeStorageTrie(hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-	helper.addAccount("acc-3", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
+	helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+	helper.addAccount("acc-3", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
 
 	helper.addSnapStorage("acc-1", []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
 	helper.addSnapStorage("acc-3", []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
@@ -852,12 +853,12 @@ func TestGenerateCompleteSnapshotWithDanglingStorage(t *testing.T) {
 func TestGenerateBrokenSnapshotWithDanglingStorage(t *testing.T) {
 	var helper = newHelper()
 
-	stRoot := helper.makeStorageTrie(hashData([]byte("acc-1")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-	helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
-	helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(2), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()})
+	stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-1")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+	helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
+	helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(2), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()})
 
-	helper.makeStorageTrie(hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
-	helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(3), Root: stRoot, CodeHash: emptyCode.Bytes()})
+	helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
+	helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(3), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
 
 	populateDangling(helper.diskdb)
 
diff --git a/core/state/snapshot/iterator_fast.go b/core/state/snapshot/iterator_fast.go
index bf0e3acdc9..04a61d4a12 100644
--- a/core/state/snapshot/iterator_fast.go
+++ b/core/state/snapshot/iterator_fast.go
@@ -285,7 +285,7 @@ func (fi *fastIterator) next(idx int) bool {
 			return false
 		}
 		// The elem we're placing it next to has the same value,
-		// so whichever winds up on n+1 will need further iteraton
+		// so whichever winds up on n+1 will need further iteration
 		clash = n + 1
 
 		return cur.priority < fi.iterators[n+1].priority
diff --git a/core/state/snapshot/iterator_test.go b/core/state/snapshot/iterator_test.go
index 84790e668a..6e5b6d8836 100644
--- a/core/state/snapshot/iterator_test.go
+++ b/core/state/snapshot/iterator_test.go
@@ -28,6 +28,7 @@ package snapshot
 
 import (
 	"bytes"
+	crand "crypto/rand"
 	"encoding/binary"
 	"fmt"
 	"math/rand"
@@ -56,7 +57,7 @@ func TestAccountIteratorBasics(t *testing.T) {
 		if rand.Intn(2) == 0 {
 			accStorage := make(map[common.Hash][]byte)
 			value := make([]byte, 32)
-			rand.Read(value)
+			crand.Read(value)
 			accStorage[randomHash()] = value
 			storage[h] = accStorage
 		}
@@ -88,7 +89,7 @@ func TestStorageIteratorBasics(t *testing.T) {
 
 		var nilstorage int
 		for i := 0; i < 100; i++ {
-			rand.Read(value)
+			crand.Read(value)
 			if rand.Intn(2) == 0 {
 				accStorage[randomHash()] = common.CopyBytes(value)
 			} else {
@@ -762,7 +763,7 @@ func TestStorageIteratorDeletions(t *testing.T) {
 // only spit out 200 values eventually.
 //
 // The value-fetching benchmark is easy on the binary iterator, since it never has to reach
-// down at any depth for retrieving the values -- all are on the toppmost layer
+// down at any depth for retrieving the values -- all are on the topmost layer
 //
 // BenchmarkAccountIteratorTraversal/binary_iterator_keys-6         	    2239	    483674 ns/op
 // BenchmarkAccountIteratorTraversal/binary_iterator_values-6       	    2403	    501810 ns/op
diff --git a/core/state/snapshot/journal.go b/core/state/snapshot/journal.go
index 4fa3b01fd6..d7eea75751 100644
--- a/core/state/snapshot/journal.go
+++ b/core/state/snapshot/journal.go
@@ -56,7 +56,7 @@ type journalGenerator struct {
 // loadSnapshot loads a pre-existing state snapshot backed by a key-value
 // store. If loading the snapshot from disk is successful, this function also
 // returns a boolean indicating whether or not the snapshot is fully generated.
-func loadSnapshot(diskdb ethdb.KeyValueStore, triedb *trie.Database, cache int, blockHash, root common.Hash) (snapshot, bool, error) {
+func loadSnapshot(diskdb ethdb.KeyValueStore, triedb *trie.Database, cache int, blockHash, root common.Hash, noBuild bool) (snapshot, bool, error) {
 	// Retrieve the block number and hash of the snapshot, failing if no snapshot
 	// is present in the database (or crashed mid-update).
 	baseBlockHash := rawdb.ReadSnapshotBlockHash(diskdb)
@@ -96,12 +96,12 @@ func loadSnapshot(diskdb ethdb.KeyValueStore, triedb *trie.Database, cache int,
 		created:   time.Now(),
 	}
 
-	// Everything loaded correctly, resume any suspended operations
+	var wiper chan struct{}
+	// Load the disk layer status from the generator if it's not complete
 	if !generator.Done {
 		// If the generator was still wiping, restart one from scratch (fine for
 		// now as it's rare and the wiper deletes the stuff it touches anyway, so
 		// restarting won't incur a lot of extra database hops.
-		var wiper chan struct{}
 		if generator.Wiping {
 			log.Info("Resuming previous snapshot wipe")
 			wiper = WipeSnapshot(diskdb, false)
@@ -111,6 +111,11 @@ func loadSnapshot(diskdb ethdb.KeyValueStore, triedb *trie.Database, cache int,
 		if snapshot.genMarker == nil {
 			snapshot.genMarker = []byte{}
 		}
+	}
+
+	// Everything loaded correctly, resume any suspended operations
+	// if the background generation is allowed
+	if !generator.Done && !noBuild {
 		snapshot.genPending = make(chan struct{})
 		snapshot.genAbort = make(chan chan struct{})
 
diff --git a/core/state/snapshot/snapshot.go b/core/state/snapshot/snapshot.go
index e16e569985..ae1cd73a30 100644
--- a/core/state/snapshot/snapshot.go
+++ b/core/state/snapshot/snapshot.go
@@ -167,6 +167,14 @@ type snapshot interface {
 	Stale() bool
 }
 
+// Config includes the configurations for snapshots.
+type Config struct {
+	CacheSize  int  // Megabytes permitted to use for read caches
+	NoBuild    bool // Indicator that the snapshots generation is disallowed
+	AsyncBuild bool // The snapshot generation is allowed to be constructed asynchronously
+	SkipVerify bool // Indicator that all verification should be bypassed
+}
+
 // Tree is an Ethereum state snapshot tree. It consists of one persistent base
 // layer backed by a key-value store, on top of which arbitrarily many in-memory
 // diff layers are topped. The memory diffs can form a tree with branching, but
@@ -177,9 +185,9 @@ type snapshot interface {
 // storage data to avoid expensive multi-level trie lookups; and to allow sorted,
 // cheap iteration of the account/storage tries for sync aid.
 type Tree struct {
+	config Config              // Snapshots configurations
 	diskdb ethdb.KeyValueStore // Persistent database to store the snapshot
 	triedb *trie.Database      // In-memory cache to access the trie through
-	cache  int                 // Megabytes permitted to use for read caches
 	// Collection of all known layers
 	// blockHash -> snapshot
 	blockLayers map[common.Hash]snapshot
@@ -201,24 +209,24 @@ type Tree struct {
 // If the snapshot is missing or the disk layer is broken, the snapshot will be
 // reconstructed using both the existing data and the state trie.
 // The repair happens on a background thread.
-func New(diskdb ethdb.KeyValueStore, triedb *trie.Database, cache int, blockHash, root common.Hash, async bool, rebuild bool, verify bool) (*Tree, error) {
+func New(config Config, diskdb ethdb.KeyValueStore, triedb *trie.Database, blockHash, root common.Hash) (*Tree, error) {
 	// Create a new, empty snapshot tree
 	snap := &Tree{
+		config:      config,
 		diskdb:      diskdb,
 		triedb:      triedb,
-		cache:       cache,
 		blockLayers: make(map[common.Hash]snapshot),
 		stateLayers: make(map[common.Hash]map[common.Hash]snapshot),
-		verified:    !verify, // if verify is false, all verification will be bypassed
+		verified:    config.SkipVerify, // if SkipVerify is true, all verification will be bypassed
 	}
 
 	// Attempt to load a previously persisted snapshot and rebuild one if failed
-	head, generated, err := loadSnapshot(diskdb, triedb, cache, blockHash, root)
+	head, generated, err := loadSnapshot(diskdb, triedb, config.CacheSize, blockHash, root, config.NoBuild)
 	if err != nil {
-		if rebuild {
-			log.Warn("Failed to load snapshot, regenerating", "err", err)
+		log.Warn("Failed to load snapshot, regenerating", "err", err)
+		if !config.NoBuild {
 			snap.Rebuild(blockHash, root)
-			if !async {
+			if !config.AsyncBuild {
 				if err := snap.verifyIntegrity(snap.disklayer(), true); err != nil {
 					return nil, err
 				}
@@ -239,8 +247,8 @@ func New(diskdb ethdb.KeyValueStore, triedb *trie.Database, cache int, blockHash
 	}
 
 	// Verify any synchronously generated or loaded snapshot from disk
-	if !async || generated {
-		if err := snap.verifyIntegrity(snap.disklayer(), !async && !generated); err != nil {
+	if !config.AsyncBuild || generated {
+		if err := snap.verifyIntegrity(snap.disklayer(), !config.AsyncBuild && !generated); err != nil {
 			return nil, err
 		}
 	}
@@ -774,7 +782,7 @@ func (t *Tree) Rebuild(blockHash, root common.Hash) {
 	// Start generating a new snapshot from scratch on a background thread. The
 	// generator will run a wiper first if there's not one running right now.
 	log.Info("Rebuilding state snapshot")
-	base := generateSnapshot(t.diskdb, t.triedb, t.cache, blockHash, root, wiper)
+	base := generateSnapshot(t.diskdb, t.triedb, t.config.CacheSize, blockHash, root, wiper)
 	t.blockLayers = map[common.Hash]snapshot{
 		blockHash: base,
 	}
@@ -836,14 +844,14 @@ func (t *Tree) verify(root common.Hash, force bool) error {
 	}
 	defer acctIt.Release()
 
-	got, err := generateTrieRoot(nil, acctIt, common.Hash{}, stackTrieGenerate, func(db ethdb.KeyValueWriter, accountHash, codeHash common.Hash, stat *generateStats) (common.Hash, error) {
+	got, err := generateTrieRoot(nil, "", acctIt, common.Hash{}, stackTrieGenerate, func(db ethdb.KeyValueWriter, accountHash, codeHash common.Hash, stat *generateStats) (common.Hash, error) {
 		storageIt, err := t.StorageIterator(root, accountHash, common.Hash{}, force)
 		if err != nil {
 			return common.Hash{}, err
 		}
 		defer storageIt.Release()
 
-		hash, err := generateTrieRoot(nil, storageIt, accountHash, stackTrieGenerate, nil, stat, false)
+		hash, err := generateTrieRoot(nil, "", storageIt, accountHash, stackTrieGenerate, nil, stat, false)
 		if err != nil {
 			return common.Hash{}, err
 		}
@@ -905,7 +913,7 @@ func (t *Tree) generating() (bool, error) {
 	return layer.genMarker != nil, nil
 }
 
-// diskRoot is a external helper function to return the disk layer root.
+// DiskRoot is a external helper function to return the disk layer root.
 func (t *Tree) DiskRoot() common.Hash {
 	t.lock.Lock()
 	defer t.lock.Unlock()
diff --git a/core/state/snapshot/snapshot_test.go b/core/state/snapshot/snapshot_test.go
index d5f1cf7aef..c40d25017f 100644
--- a/core/state/snapshot/snapshot_test.go
+++ b/core/state/snapshot/snapshot_test.go
@@ -27,6 +27,7 @@
 package snapshot
 
 import (
+	crand "crypto/rand"
 	"fmt"
 	"math/big"
 	"math/rand"
@@ -34,6 +35,7 @@ import (
 	"time"
 
 	"github.com/ava-labs/subnet-evm/core/rawdb"
+	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/rlp"
 )
@@ -41,7 +43,7 @@ import (
 // randomHash generates a random blob of data and returns it as a hash.
 func randomHash() common.Hash {
 	var hash common.Hash
-	if n, err := rand.Read(hash[:]); n != common.HashLength || err != nil {
+	if n, err := crand.Read(hash[:]); n != common.HashLength || err != nil {
 		panic(err)
 	}
 	return hash
@@ -54,7 +56,7 @@ func randomAccount() []byte {
 		Balance:  big.NewInt(rand.Int63()),
 		Nonce:    rand.Uint64(),
 		Root:     root[:],
-		CodeHash: emptyCode[:],
+		CodeHash: types.EmptyCodeHash[:],
 	}
 	data, _ := rlp.EncodeToBytes(a)
 	return data
@@ -166,7 +168,7 @@ func TestDiskLayerExternalInvalidationPartialFlatten(t *testing.T) {
 	if err := snaps.Flatten(common.HexToHash("0x02")); err != nil {
 		t.Fatalf("Failed to flatten diff layer onto disk: %v", err)
 	}
-	// Since the base layer was modified, ensure that data retrieval on the external reference fails
+	// Since the base layer was modified, ensure that data retrieval on the external reference fail
 	if acc, err := ref.Account(common.HexToHash("0x01")); err != ErrSnapshotStale {
 		t.Errorf("stale reference returned account: %v (err: %v)", acc, err)
 	}
@@ -212,7 +214,7 @@ func TestDiffLayerExternalInvalidationPartialFlatten(t *testing.T) {
 	if err := snaps.Flatten(common.HexToHash("0x02")); err != nil {
 		t.Fatal(err)
 	}
-	// Since the accumulator diff layer was modified, ensure that data retrieval on the external reference fails
+	// Since the accumulator diff layer was modified, ensure that data retrievals on the external reference fail
 	if acc, err := ref.Account(common.HexToHash("0x01")); err != ErrSnapshotStale {
 		t.Errorf("stale reference returned account: %v (err: %v)", acc, err)
 	}
diff --git a/core/state/state_object.go b/core/state/state_object.go
index 62bf38131a..377428662e 100644
--- a/core/state/state_object.go
+++ b/core/state/state_object.go
@@ -42,8 +42,6 @@ import (
 	"github.com/ethereum/go-ethereum/rlp"
 )
 
-var emptyCodeHash = crypto.Keccak256(nil)
-
 type Code []byte
 
 func (c Code) String() string {
@@ -74,7 +72,7 @@ func (s Storage) Copy() Storage {
 // The usage pattern is as follows:
 // First you need to obtain a state object.
 // Account values can be accessed and modified through the object.
-// Finally, call CommitTrie to write the modified storage trie into a database.
+// Finally, call commitTrie to write the modified storage trie into a database.
 type stateObject struct {
 	address  common.Address
 	addrHash common.Hash // hash of ethereum address of the account
@@ -99,7 +97,6 @@ type stateObject struct {
 	originStorage  Storage // Storage cache of original entries to dedup rewrites, reset for every transaction
 	pendingStorage Storage // Storage entries that need to be flushed to disk, at the end of an entire block
 	dirtyStorage   Storage // Storage entries that have been modified in the current transaction execution
-	fakeStorage    Storage // Fake storage which constructed by caller for debugging purpose.
 
 	// Cache flags.
 	// When an object is marked suicided it will be delete from the trie
@@ -111,7 +108,7 @@ type stateObject struct {
 
 // empty returns whether the account is considered empty.
 func (s *stateObject) empty() bool {
-	return s.data.Nonce == 0 && s.data.Balance.Sign() == 0 && bytes.Equal(s.data.CodeHash, emptyCodeHash)
+	return s.data.Nonce == 0 && s.data.Balance.Sign() == 0 && bytes.Equal(s.data.CodeHash, types.EmptyCodeHash.Bytes())
 }
 
 // newObject creates a state object.
@@ -120,10 +117,10 @@ func newObject(db *StateDB, address common.Address, data types.StateAccount) *st
 		data.Balance = new(big.Int)
 	}
 	if data.CodeHash == nil {
-		data.CodeHash = emptyCodeHash
+		data.CodeHash = types.EmptyCodeHash.Bytes()
 	}
 	if data.Root == (common.Hash{}) {
-		data.Root = emptyRoot
+		data.Root = types.EmptyRootHash
 	}
 	return &stateObject{
 		db:             db,
@@ -163,33 +160,31 @@ func (s *stateObject) touch() {
 	}
 }
 
-func (s *stateObject) getTrie(db Database) Trie {
+// getTrie returns the associated storage trie. The trie will be opened
+// if it's not loaded previously. An error will be returned if trie can't
+// be loaded.
+func (s *stateObject) getTrie(db Database) (Trie, error) {
 	if s.trie == nil {
 		// Try fetching from prefetcher first
 		// We don't prefetch empty tries
-		if s.data.Root != emptyRoot && s.db.prefetcher != nil {
+		if s.data.Root != types.EmptyRootHash && s.db.prefetcher != nil {
 			// When the miner is creating the pending state, there is no
 			// prefetcher
 			s.trie = s.db.prefetcher.trie(s.addrHash, s.data.Root)
 		}
 		if s.trie == nil {
-			var err error
-			s.trie, err = db.OpenStorageTrie(s.addrHash, s.data.Root)
+			tr, err := db.OpenStorageTrie(s.db.originalRoot, s.addrHash, s.data.Root)
 			if err != nil {
-				s.trie, _ = db.OpenStorageTrie(s.addrHash, common.Hash{})
-				s.setError(fmt.Errorf("can't create storage trie: %v", err))
+				return nil, err
 			}
+			s.trie = tr
 		}
 	}
-	return s.trie
+	return s.trie, nil
 }
 
 // GetState retrieves a value from the account storage trie.
 func (s *stateObject) GetState(db Database, key common.Hash) common.Hash {
-	// If the fake storage is set, only lookup the state here(in the debugging mode)
-	if s.fakeStorage != nil {
-		return s.fakeStorage[key]
-	}
 	// If we have a dirty value for this state entry, return it
 	value, dirty := s.dirtyStorage[key]
 	if dirty {
@@ -201,10 +196,6 @@ func (s *stateObject) GetState(db Database, key common.Hash) common.Hash {
 
 // GetCommittedState retrieves a value from the committed account storage trie.
 func (s *stateObject) GetCommittedState(db Database, key common.Hash) common.Hash {
-	// If the fake storage is set, only lookup the state here(in the debugging mode)
-	if s.fakeStorage != nil {
-		return s.fakeStorage[key]
-	}
 	// If we have a pending write or clean cached, return that
 	if value, pending := s.pendingStorage[key]; pending {
 		return value
@@ -212,21 +203,21 @@ func (s *stateObject) GetCommittedState(db Database, key common.Hash) common.Has
 	if value, cached := s.originStorage[key]; cached {
 		return value
 	}
+	// If the object was destructed in *this* block (and potentially resurrected),
+	// the storage has been cleared out, and we should *not* consult the previous
+	// database about any storage values. The only possible alternatives are:
+	//   1) resurrect happened, and new slot values were set -- those should
+	//      have been handles via pendingStorage above.
+	//   2) we don't have new values, and can deliver empty response back
+	if _, destructed := s.db.stateObjectsDestruct[s.address]; destructed {
+		return common.Hash{}
+	}
 	// If no live objects are available, attempt to use snapshots
 	var (
 		enc []byte
 		err error
 	)
 	if s.db.snap != nil {
-		// If the object was destructed in *this* block (and potentially resurrected),
-		// the storage has been cleared out, and we should *not* consult the previous
-		// snapshot about any storage values. The only possible alternatives are:
-		//   1) resurrect happened, and new slot values were set -- those should
-		//      have been handles via pendingStorage above.
-		//   2) we don't have new values, and can deliver empty response back
-		if _, destructed := s.db.snapDestructs[s.addrHash]; destructed {
-			return common.Hash{}
-		}
 		start := time.Now()
 		enc, err = s.db.snap.Storage(s.addrHash, crypto.Keccak256Hash(key.Bytes()))
 		if metrics.EnabledExpensive {
@@ -236,7 +227,12 @@ func (s *stateObject) GetCommittedState(db Database, key common.Hash) common.Has
 	// If the snapshot is unavailable or reading from it fails, load from the database.
 	if s.db.snap == nil || err != nil {
 		start := time.Now()
-		enc, err = s.getTrie(db).TryGet(key.Bytes())
+		tr, err := s.getTrie(db)
+		if err != nil {
+			s.setError(err)
+			return common.Hash{}
+		}
+		enc, err = tr.TryGet(key.Bytes())
 		if metrics.EnabledExpensive {
 			s.db.StorageReads += time.Since(start)
 		}
@@ -259,11 +255,6 @@ func (s *stateObject) GetCommittedState(db Database, key common.Hash) common.Has
 
 // SetState updates a value in account storage.
 func (s *stateObject) SetState(db Database, key, value common.Hash) {
-	// If the fake storage is set, put the temporary state update here.
-	if s.fakeStorage != nil {
-		s.fakeStorage[key] = value
-		return
-	}
 	// If the new value is the same as old, don't set
 	prev := s.GetState(db, key)
 	if prev == value {
@@ -278,24 +269,6 @@ func (s *stateObject) SetState(db Database, key, value common.Hash) {
 	s.setState(key, value)
 }
 
-// SetStorage replaces the entire state storage with the given one.
-//
-// After this function is called, all original state will be ignored and state
-// lookup only happens in the fake state storage.
-//
-// Note this function should only be used for debugging purpose.
-func (s *stateObject) SetStorage(storage map[common.Hash]common.Hash) {
-	// Allocate fake storage if it's nil.
-	if s.fakeStorage == nil {
-		s.fakeStorage = make(Storage)
-	}
-	for key, value := range storage {
-		s.fakeStorage[key] = value
-	}
-	// Don't bother journal since this function should only be used for
-	// debugging and the `fake` storage won't be committed to database.
-}
-
 func (s *stateObject) setState(key, value common.Hash) {
 	s.dirtyStorage[key] = value
 }
@@ -310,7 +283,7 @@ func (s *stateObject) finalise(prefetch bool) {
 			slotsToPrefetch = append(slotsToPrefetch, common.CopyBytes(key[:])) // Copy needed for closure
 		}
 	}
-	if s.db.prefetcher != nil && prefetch && len(slotsToPrefetch) > 0 && s.data.Root != emptyRoot {
+	if s.db.prefetcher != nil && prefetch && len(slotsToPrefetch) > 0 && s.data.Root != types.EmptyRootHash {
 		s.db.prefetcher.prefetch(s.addrHash, s.data.Root, slotsToPrefetch)
 	}
 	if len(s.dirtyStorage) > 0 {
@@ -319,23 +292,29 @@ func (s *stateObject) finalise(prefetch bool) {
 }
 
 // updateTrie writes cached storage modifications into the object's storage trie.
-// It will return nil if the trie has not been loaded and no changes have been made
-func (s *stateObject) updateTrie(db Database) Trie {
+// It will return nil if the trie has not been loaded and no changes have been
+// made. An error will be returned if the trie can't be loaded/updated correctly.
+func (s *stateObject) updateTrie(db Database) (Trie, error) {
 	// Make sure all dirty slots are finalized into the pending storage area
 	s.finalise(false) // Don't prefetch anymore, pull directly if need be
 	if len(s.pendingStorage) == 0 {
-		return s.trie
+		return s.trie, nil
 	}
 	// Track the amount of time wasted on updating the storage trie
 	if metrics.EnabledExpensive {
 		defer func(start time.Time) { s.db.StorageUpdates += time.Since(start) }(time.Now())
 	}
 	// The snapshot storage map for the object
-	var storage map[common.Hash][]byte
+	var (
+		storage map[common.Hash][]byte
+		hasher  = s.db.hasher
+	)
+	tr, err := s.getTrie(db)
+	if err != nil {
+		s.setError(err)
+		return nil, err
+	}
 	// Insert all the pending updates into the trie
-	tr := s.getTrie(db)
-	hasher := s.db.hasher
-
 	usedStorage := make([][]byte, 0, len(s.pendingStorage))
 	for key, value := range s.pendingStorage {
 		// Skip noop changes, persist actual changes
@@ -346,12 +325,18 @@ func (s *stateObject) updateTrie(db Database) Trie {
 
 		var v []byte
 		if (value == common.Hash{}) {
-			s.setError(tr.TryDelete(key[:]))
+			if err := tr.TryDelete(key[:]); err != nil {
+				s.setError(err)
+				return nil, err
+			}
 			s.db.StorageDeleted += 1
 		} else {
 			// Encoding []byte cannot fail, ok to ignore the error.
 			v, _ = rlp.EncodeToBytes(common.TrimLeftZeroes(value[:]))
-			s.setError(tr.TryUpdate(key[:], v))
+			if err := tr.TryUpdate(key[:], v); err != nil {
+				s.setError(err)
+				return nil, err
+			}
 			s.db.StorageUpdated += 1
 		}
 		// If state snapshotting is active, cache the data til commit
@@ -373,40 +358,48 @@ func (s *stateObject) updateTrie(db Database) Trie {
 	if len(s.pendingStorage) > 0 {
 		s.pendingStorage = make(Storage)
 	}
-	return tr
+	return tr, nil
 }
 
-// UpdateRoot sets the trie root to the current root hash of
+// UpdateRoot sets the trie root to the current root hash of. An error
+// will be returned if trie root hash is not computed correctly.
 func (s *stateObject) updateRoot(db Database) {
+	tr, err := s.updateTrie(db)
+	if err != nil {
+		s.setError(fmt.Errorf("updateRoot (%x) error: %w", s.address, err))
+		return
+	}
 	// If nothing changed, don't bother with hashing anything
-	if s.updateTrie(db) == nil {
+	if tr == nil {
 		return
 	}
 	// Track the amount of time wasted on hashing the storage trie
 	if metrics.EnabledExpensive {
 		defer func(start time.Time) { s.db.StorageHashes += time.Since(start) }(time.Now())
 	}
-	s.data.Root = s.trie.Hash()
+	s.data.Root = tr.Hash()
 }
 
-// CommitTrie the storage trie of the object to db.
-// This updates the trie root.
-func (s *stateObject) CommitTrie(db Database) (*trie.NodeSet, error) {
-	// If nothing changed, don't bother with hashing anything
-	if s.updateTrie(db) == nil {
-		return nil, nil
+// commitTrie submits the storage changes into the storage trie and re-computes
+// the root. Besides, all trie changes will be collected in a nodeset and returned.
+func (s *stateObject) commitTrie(db Database) (*trie.NodeSet, error) {
+	tr, err := s.updateTrie(db)
+	if err != nil {
+		return nil, err
 	}
 	if s.dbErr != nil {
 		return nil, s.dbErr
 	}
+	// If nothing changed, don't bother with committing anything
+	if tr == nil {
+		return nil, nil
+	}
 	// Track the amount of time wasted on committing the storage trie
 	if metrics.EnabledExpensive {
 		defer func(start time.Time) { s.db.StorageCommits += time.Since(start) }(time.Now())
 	}
-	root, nodes, err := s.trie.Commit(false)
-	if err == nil {
-		s.data.Root = root
-	}
+	root, nodes := tr.Commit(false)
+	s.data.Root = root
 	return nodes, err
 }
 
@@ -464,7 +457,7 @@ func (s *stateObject) deepCopy(db *StateDB) *stateObject {
 // Attribute accessors
 //
 
-// Returns the address of the contract/account
+// Address returns the address of the contract/account
 func (s *stateObject) Address() common.Address {
 	return s.address
 }
@@ -474,7 +467,7 @@ func (s *stateObject) Code(db Database) []byte {
 	if s.code != nil {
 		return s.code
 	}
-	if bytes.Equal(s.CodeHash(), emptyCodeHash) {
+	if bytes.Equal(s.CodeHash(), types.EmptyCodeHash.Bytes()) {
 		return nil
 	}
 	code, err := db.ContractCode(s.addrHash, common.BytesToHash(s.CodeHash()))
@@ -492,7 +485,7 @@ func (s *stateObject) CodeSize(db Database) int {
 	if s.code != nil {
 		return len(s.code)
 	}
-	if bytes.Equal(s.CodeHash(), emptyCodeHash) {
+	if bytes.Equal(s.CodeHash(), types.EmptyCodeHash.Bytes()) {
 		return 0
 	}
 	size, err := db.ContractCodeSize(s.addrHash, common.BytesToHash(s.CodeHash()))
@@ -546,7 +539,7 @@ func (s *stateObject) Nonce() uint64 {
 	return s.data.Nonce
 }
 
-// Never called, but must be present to allow stateObject to be used
+// Value is never called, but must be present to allow stateObject to be used
 // as a vm.Account interface that also satisfies the vm.ContractRef
 // interface. Interfaces are awesome.
 func (s *stateObject) Value() *big.Int {
diff --git a/core/state/statedb.go b/core/state/statedb.go
index bfbc29dd10..a6b48ee995 100644
--- a/core/state/statedb.go
+++ b/core/state/statedb.go
@@ -40,7 +40,7 @@ import (
 	"github.com/ava-labs/subnet-evm/metrics"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ava-labs/subnet-evm/trie"
-	"github.com/ava-labs/subnet-evm/utils"
+	predicateutils "github.com/ava-labs/subnet-evm/utils/predicate"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/log"
@@ -52,11 +52,6 @@ type revision struct {
 	journalIndex int
 }
 
-var (
-	// emptyRoot is the known root hash of an empty trie.
-	emptyRoot = common.HexToHash("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
-)
-
 type proofList [][]byte
 
 func (n *proofList) Put(key []byte, value []byte) error {
@@ -83,15 +78,15 @@ type StateDB struct {
 	// It will be updated when the Commit is called.
 	originalRoot common.Hash
 
-	snap          snapshot.Snapshot
-	snapDestructs map[common.Hash]struct{}
-	snapAccounts  map[common.Hash][]byte
-	snapStorage   map[common.Hash]map[common.Hash][]byte
+	snap         snapshot.Snapshot
+	snapAccounts map[common.Hash][]byte
+	snapStorage  map[common.Hash]map[common.Hash][]byte
 
 	// This map holds 'live' objects, which will get modified while processing a state transition.
-	stateObjects        map[common.Address]*stateObject
-	stateObjectsPending map[common.Address]struct{} // State objects finalized but not yet written to the trie
-	stateObjectsDirty   map[common.Address]struct{} // State objects modified in the current execution
+	stateObjects         map[common.Address]*stateObject
+	stateObjectsPending  map[common.Address]struct{} // State objects finalized but not yet written to the trie
+	stateObjectsDirty    map[common.Address]struct{} // State objects modified in the current execution
+	stateObjectsDestruct map[common.Address]struct{} // State objects destructed in the block
 
 	// DB error.
 	// State objects are used by the consensus core and VM which are
@@ -116,6 +111,9 @@ type StateDB struct {
 	// Only set in PrepareAccessList, and un-modified through execution.
 	predicateStorageSlots map[common.Address][]byte
 
+	// Transient storage
+	transientStorage transientStorage
+
 	// Journal of state modifications. This is the backbone of
 	// Snapshot and RevertToSnapshot.
 	journal        *journal
@@ -167,11 +165,13 @@ func NewWithSnapshot(root common.Hash, db Database, snap snapshot.Snapshot) (*St
 		stateObjects:          make(map[common.Address]*stateObject),
 		stateObjectsPending:   make(map[common.Address]struct{}),
 		stateObjectsDirty:     make(map[common.Address]struct{}),
+		stateObjectsDestruct:  make(map[common.Address]struct{}),
 		logs:                  make(map[common.Hash][]*types.Log),
 		preimages:             make(map[common.Hash][]byte),
 		journal:               newJournal(),
 		predicateStorageSlots: make(map[common.Address][]byte),
 		accessList:            newAccessList(),
+		transientStorage:      newTransientStorage(),
 		hasher:                crypto.NewKeccakState(),
 	}
 	if snap != nil {
@@ -179,7 +179,6 @@ func NewWithSnapshot(root common.Hash, db Database, snap snapshot.Snapshot) (*St
 			return nil, fmt.Errorf("cannot create new statedb for root: %s, using snapshot with mismatched root: %s", root, snap.Root().Hex())
 		}
 		sdb.snap = snap
-		sdb.snapDestructs = make(map[common.Hash]struct{})
 		sdb.snapAccounts = make(map[common.Hash][]byte)
 		sdb.snapStorage = make(map[common.Hash]map[common.Hash][]byte)
 	}
@@ -238,9 +237,12 @@ func (s *StateDB) AddLog(addr common.Address, topics []common.Hash, data []byte,
 	s.logSize++
 }
 
-func (s *StateDB) GetLogs(hash common.Hash, blockHash common.Hash) []*types.Log {
+// GetLogs returns the logs matching the specified transaction hash, and annotates
+// them with the given blockNumber and blockHash.
+func (s *StateDB) GetLogs(hash common.Hash, blockNumber uint64, blockHash common.Hash) []*types.Log {
 	logs := s.logs[hash]
 	for _, l := range logs {
+		l.BlockNumber = blockNumber
 		l.BlockHash = blockHash
 	}
 	return logs
@@ -254,6 +256,18 @@ func (s *StateDB) Logs() []*types.Log {
 	return logs
 }
 
+// GetLogData returns the underlying data from each log included in the StateDB
+// Test helper function.
+func (s *StateDB) GetLogData() [][]byte {
+	var logData [][]byte
+	for _, lgs := range s.logs {
+		for _, log := range lgs {
+			logData = append(logData, common.CopyBytes(log.Data))
+		}
+	}
+	return logData
+}
+
 // AddPreimage records a SHA3 preimage seen by the VM.
 func (s *StateDB) AddPreimage(hash common.Hash, preimage []byte) {
 	if _, ok := s.preimages[hash]; !ok {
@@ -370,13 +384,19 @@ func (s *StateDB) GetProofByHash(addrHash common.Hash) ([][]byte, error) {
 
 // GetStorageProof returns the Merkle proof for given storage slot.
 func (s *StateDB) GetStorageProof(a common.Address, key common.Hash) ([][]byte, error) {
-	var proof proofList
-	trie := s.StorageTrie(a)
+	trie, err := s.StorageTrie(a)
+	if err != nil {
+		return nil, err
+	}
 	if trie == nil {
-		return proof, errors.New("storage trie for requested address does not exist")
+		return nil, errors.New("storage trie for requested address does not exist")
 	}
-	err := trie.Prove(crypto.Keccak256(key.Bytes()), 0, &proof)
-	return proof, err
+	var proof proofList
+	err = trie.Prove(crypto.Keccak256(key.Bytes()), 0, &proof)
+	if err != nil {
+		return nil, err
+	}
+	return proof, nil
 }
 
 // GetCommittedState retrieves a value from the given account's committed storage trie.
@@ -393,15 +413,18 @@ func (s *StateDB) Database() Database {
 	return s.db
 }
 
-// StorageTrie returns the storage trie of an account.
-// The return value is a copy and is nil for non-existent accounts.
-func (s *StateDB) StorageTrie(addr common.Address) Trie {
+// StorageTrie returns the storage trie of an account. The return value is a copy
+// and is nil for non-existent accounts. An error will be returned if storage trie
+// is existent but can't be loaded correctly.
+func (s *StateDB) StorageTrie(addr common.Address) (Trie, error) {
 	stateObject := s.getStateObject(addr)
 	if stateObject == nil {
-		return nil
+		return nil, nil
 	}
 	cpy := stateObject.deepCopy(s)
-	cpy.updateTrie(s.db)
+	if _, err := cpy.updateTrie(s.db); err != nil {
+		return nil, err
+	}
 	return cpy.getTrie(s.db)
 }
 
@@ -464,9 +487,15 @@ func (s *StateDB) SetState(addr common.Address, key, value common.Hash) {
 // SetStorage replaces the entire storage for the specified account with given
 // storage. This function should only be used for debugging.
 func (s *StateDB) SetStorage(addr common.Address, storage map[common.Hash]common.Hash) {
+	// SetStorage needs to wipe existing storage. We achieve this by pretending
+	// that the account self-destructed earlier in this block, by flagging
+	// it in stateObjectsDestruct. The effect of doing so is that storage lookups
+	// will not hit disk, since it is assumed that the disk-data is belonging
+	// to a previous incarnation of the object.
+	s.stateObjectsDestruct[addr] = struct{}{}
 	stateObject := s.GetOrNewStateObject(addr)
-	if stateObject != nil {
-		stateObject.SetStorage(storage)
+	for k, v := range storage {
+		stateObject.SetState(s.db, k, v)
 	}
 }
 
@@ -491,6 +520,35 @@ func (s *StateDB) Suicide(addr common.Address) bool {
 	return true
 }
 
+// SetTransientState sets transient storage for a given account. It
+// adds the change to the journal so that it can be rolled back
+// to its previous value if there is a revert.
+func (s *StateDB) SetTransientState(addr common.Address, key, value common.Hash) {
+	prev := s.GetTransientState(addr, key)
+	if prev == value {
+		return
+	}
+
+	s.journal.append(transientStorageChange{
+		account:  &addr,
+		key:      key,
+		prevalue: prev,
+	})
+
+	s.setTransientState(addr, key, value)
+}
+
+// setTransientState is a lower level setter for transient storage. It
+// is called during a revert to prevent modifications to the journal.
+func (s *StateDB) setTransientState(addr common.Address, key, value common.Hash) {
+	s.transientStorage.Set(addr, key, value)
+}
+
+// GetTransientState gets transient storage for a given account.
+func (s *StateDB) GetTransientState(addr common.Address, key common.Hash) common.Hash {
+	return s.transientStorage.Get(addr, key)
+}
+
 //
 // Setting, updating & deleting state object methods.
 //
@@ -503,7 +561,7 @@ func (s *StateDB) updateStateObject(obj *stateObject) {
 	}
 	// Encode the account and update the account trie
 	addr := obj.Address()
-	if err := s.trie.TryUpdateAccount(addr[:], &obj.data); err != nil {
+	if err := s.trie.TryUpdateAccount(addr, &obj.data); err != nil {
 		s.setError(fmt.Errorf("updateStateObject (%x) error: %v", addr[:], err))
 	}
 
@@ -524,7 +582,7 @@ func (s *StateDB) deleteStateObject(obj *stateObject) {
 	}
 	// Delete the account from the trie
 	addr := obj.Address()
-	if err := s.trie.TryDeleteAccount(addr[:]); err != nil {
+	if err := s.trie.TryDeleteAccount(addr); err != nil {
 		s.setError(fmt.Errorf("deleteStateObject (%x) error: %v", addr[:], err))
 	}
 }
@@ -567,10 +625,10 @@ func (s *StateDB) getDeletedStateObject(addr common.Address) *stateObject {
 				Root:     common.BytesToHash(acc.Root),
 			}
 			if len(data.CodeHash) == 0 {
-				data.CodeHash = emptyCodeHash
+				data.CodeHash = types.EmptyCodeHash.Bytes()
 			}
 			if data.Root == (common.Hash{}) {
-				data.Root = emptyRoot
+				data.Root = types.EmptyRootHash
 			}
 		}
 	}
@@ -578,7 +636,7 @@ func (s *StateDB) getDeletedStateObject(addr common.Address) *stateObject {
 	if data == nil {
 		start := time.Now()
 		var err error
-		data, err = s.trie.TryGetAccount(addr.Bytes())
+		data, err = s.trie.TryGetAccount(addr)
 		if metrics.EnabledExpensive {
 			s.AccountReads += time.Since(start)
 		}
@@ -615,10 +673,10 @@ func (s *StateDB) createObject(addr common.Address) (newobj, prev *stateObject)
 	prev = s.getDeletedStateObject(addr) // Note, prev might have been deleted, we need that!
 
 	var prevdestruct bool
-	if s.snap != nil && prev != nil {
-		_, prevdestruct = s.snapDestructs[prev.addrHash]
+	if prev != nil {
+		_, prevdestruct = s.stateObjectsDestruct[prev.address]
 		if !prevdestruct {
-			s.snapDestructs[prev.addrHash] = struct{}{}
+			s.stateObjectsDestruct[prev.address] = struct{}{}
 		}
 	}
 	newobj = newObject(s, addr, types.StateAccount{})
@@ -656,7 +714,11 @@ func (db *StateDB) ForEachStorage(addr common.Address, cb func(key, value common
 	if so == nil {
 		return nil
 	}
-	it := trie.NewIterator(so.getTrie(db.db).NodeIterator(nil))
+	tr, err := so.getTrie(db.db)
+	if err != nil {
+		return err
+	}
+	it := trie.NewIterator(tr.NodeIterator(nil))
 
 	for it.Next() {
 		key := common.BytesToHash(db.trie.GetKey(it.Key))
@@ -694,18 +756,19 @@ func copyPredicateStorageSlots(predicateStorageSlots map[common.Address][]byte)
 func (s *StateDB) Copy() *StateDB {
 	// Copy all the basic fields, initialize the memory ones
 	state := &StateDB{
-		db:                  s.db,
-		trie:                s.db.CopyTrie(s.trie),
-		originalRoot:        s.originalRoot,
-		stateObjects:        make(map[common.Address]*stateObject, len(s.journal.dirties)),
-		stateObjectsPending: make(map[common.Address]struct{}, len(s.stateObjectsPending)),
-		stateObjectsDirty:   make(map[common.Address]struct{}, len(s.journal.dirties)),
-		refund:              s.refund,
-		logs:                make(map[common.Hash][]*types.Log, len(s.logs)),
-		logSize:             s.logSize,
-		preimages:           make(map[common.Hash][]byte, len(s.preimages)),
-		journal:             newJournal(),
-		hasher:              crypto.NewKeccakState(),
+		db:                   s.db,
+		trie:                 s.db.CopyTrie(s.trie),
+		originalRoot:         s.originalRoot,
+		stateObjects:         make(map[common.Address]*stateObject, len(s.journal.dirties)),
+		stateObjectsPending:  make(map[common.Address]struct{}, len(s.stateObjectsPending)),
+		stateObjectsDirty:    make(map[common.Address]struct{}, len(s.journal.dirties)),
+		stateObjectsDestruct: make(map[common.Address]struct{}, len(s.stateObjectsDestruct)),
+		refund:               s.refund,
+		logs:                 make(map[common.Hash][]*types.Log, len(s.logs)),
+		logSize:              s.logSize,
+		preimages:            make(map[common.Hash][]byte, len(s.preimages)),
+		journal:              newJournal(),
+		hasher:               crypto.NewKeccakState(),
 	}
 	// Copy the dirty states, logs, and preimages
 	for addr := range s.journal.dirties {
@@ -715,7 +778,7 @@ func (s *StateDB) Copy() *StateDB {
 		// nil
 		if object, exist := s.stateObjects[addr]; exist {
 			// Even though the original object is dirty, we are not copying the journal,
-			// so we need to make sure that anyside effect the journal would have caused
+			// so we need to make sure that any side-effect the journal would have caused
 			// during a commit (or similar op) is already applied to the copy.
 			state.stateObjects[addr] = object.deepCopy(state)
 
@@ -723,9 +786,10 @@ func (s *StateDB) Copy() *StateDB {
 			state.stateObjectsPending[addr] = struct{}{} // Mark the copy pending to force external (account) commits
 		}
 	}
-	// Above, we don't copy the actual journal. This means that if the copy is copied, the
-	// loop above will be a no-op, since the copy's journal is empty.
-	// Thus, here we iterate over stateObjects, to enable copies of copies
+	// Above, we don't copy the actual journal. This means that if the copy
+	// is copied, the loop above will be a no-op, since the copy's journal
+	// is empty. Thus, here we iterate over stateObjects, to enable copies
+	// of copies.
 	for addr := range s.stateObjectsPending {
 		if _, exist := state.stateObjects[addr]; !exist {
 			state.stateObjects[addr] = s.stateObjects[addr].deepCopy(state)
@@ -738,6 +802,10 @@ func (s *StateDB) Copy() *StateDB {
 		}
 		state.stateObjectsDirty[addr] = struct{}{}
 	}
+	// Deep copy the destruction flag.
+	for addr := range s.stateObjectsDestruct {
+		state.stateObjectsDestruct[addr] = struct{}{}
+	}
 	for hash, logs := range s.logs {
 		cpy := make([]*types.Log, len(logs))
 		for i, l := range logs {
@@ -749,12 +817,14 @@ func (s *StateDB) Copy() *StateDB {
 	for hash, preimage := range s.preimages {
 		state.preimages[hash] = preimage
 	}
-	// Do we need to copy the access list? In practice: No. At the start of a
-	// transaction, the access list is empty. In practice, we only ever copy state
-	// _between_ transactions/blocks, never in the middle of a transaction.
-	// However, it doesn't cost us much to copy an empty list, so we do it anyway
-	// to not blow up if we ever decide copy it in the middle of a transaction
+	// Do we need to copy the access list and transient storage?
+	// In practice: No. At the start of a transaction, these two lists are empty.
+	// In practice, we only ever copy state _between_ transactions/blocks, never
+	// in the middle of a transaction. However, it doesn't cost us much to copy
+	// empty lists, so we do it anyway to not blow up if we ever decide copy them
+	// in the middle of a transaction.
 	state.accessList = s.accessList.Copy()
+	state.transientStorage = s.transientStorage.Copy()
 	state.predicateStorageSlots = copyPredicateStorageSlots(s.predicateStorageSlots)
 
 	// If there's a prefetcher running, make an inactive copy of it that can
@@ -765,15 +835,12 @@ func (s *StateDB) Copy() *StateDB {
 	}
 	if s.snap != nil {
 		// In order for the miner to be able to use and make additions
-		// to the snapshot tree, we need to copy that aswell.
+		// to the snapshot tree, we need to copy that as well.
 		// Otherwise, any block mined by ourselves will cause gaps in the tree,
 		// and force the miner to operate trie-backed only
 		state.snap = s.snap
+
 		// deep copy needed
-		state.snapDestructs = make(map[common.Hash]struct{})
-		for k, v := range s.snapDestructs {
-			state.snapDestructs[k] = v
-		}
 		state.snapAccounts = make(map[common.Hash][]byte)
 		for k, v := range s.snapAccounts {
 			state.snapAccounts[k] = v
@@ -838,14 +905,17 @@ func (s *StateDB) Finalise(deleteEmptyObjects bool) {
 		if obj.suicided || (deleteEmptyObjects && obj.empty()) {
 			obj.deleted = true
 
+			// We need to maintain account deletions explicitly (will remain
+			// set indefinitely).
+			s.stateObjectsDestruct[obj.address] = struct{}{}
+
 			// If state snapshotting is active, also mark the destruction there.
 			// Note, we can't do this only at the end of a block because multiple
 			// transactions within the same block might self destruct and then
 			// resurrect an account; but the snapshotter needs both events.
 			if s.snap != nil {
-				s.snapDestructs[obj.addrHash] = struct{}{} // We need to maintain account deletions explicitly (will remain set indefinitely)
-				delete(s.snapAccounts, obj.addrHash)       // Clear out any previously updated account data (may be recreated via a ressurrect)
-				delete(s.snapStorage, obj.addrHash)        // Clear out any previously updated storage data (may be recreated via a ressurrect)
+				delete(s.snapAccounts, obj.addrHash) // Clear out any previously updated account data (may be recreated via a resurrect)
+				delete(s.snapStorage, obj.addrHash)  // Clear out any previously updated storage data (may be recreated via a resurrect)
 			}
 		} else {
 			obj.finalise(true) // Prefetch slots in the background
@@ -928,9 +998,10 @@ func (s *StateDB) IntermediateRoot(deleteEmptyObjects bool) common.Hash {
 	return s.trie.Hash()
 }
 
-// Prepare sets the current transaction hash and index which are
-// used when the EVM emits new state logs.
-func (s *StateDB) Prepare(thash common.Hash, ti int) {
+// SetTxContext sets the current transaction hash and index which are
+// used when the EVM emits new state logs. It should be invoked before
+// transaction execution.
+func (s *StateDB) SetTxContext(thash common.Hash, ti int) {
 	s.thash = thash
 	s.txIndex = ti
 }
@@ -964,11 +1035,13 @@ func (s *StateDB) commit(deleteEmptyObjects bool, snaps *snapshot.Tree, blockHas
 
 	// Commit objects to the trie, measuring the elapsed time
 	var (
-		accountTrieNodes int
-		storageTrieNodes int
-		nodes            = trie.NewMergedNodeSet()
+		accountTrieNodesUpdated int
+		accountTrieNodesDeleted int
+		storageTrieNodesUpdated int
+		storageTrieNodesDeleted int
+		nodes                   = trie.NewMergedNodeSet()
 	)
-	codeWriter := s.db.TrieDB().DiskDB().NewBatch()
+	codeWriter := s.db.DiskDB().NewBatch()
 	for addr := range s.stateObjectsDirty {
 		if obj := s.stateObjects[addr]; !obj.deleted {
 			// Write any contract code associated with the state object
@@ -977,7 +1050,7 @@ func (s *StateDB) commit(deleteEmptyObjects bool, snaps *snapshot.Tree, blockHas
 				obj.dirtyCode = false
 			}
 			// Write any storage changes in the state object to its storage trie
-			set, err := obj.CommitTrie(s.db)
+			set, err := obj.commitTrie(s.db)
 			if err != nil {
 				return common.Hash{}, err
 			}
@@ -986,9 +1059,17 @@ func (s *StateDB) commit(deleteEmptyObjects bool, snaps *snapshot.Tree, blockHas
 				if err := nodes.Merge(set); err != nil {
 					return common.Hash{}, err
 				}
-				storageTrieNodes += set.Len()
+				updates, deleted := set.Size()
+				storageTrieNodesUpdated += updates
+				storageTrieNodesDeleted += deleted
 			}
 		}
+		// If the contract is destructed, the storage is still left in the
+		// database as dangling data. Theoretically it's should be wiped from
+		// database as well, but in hash-based-scheme it's extremely hard to
+		// determine that if the trie nodes are also referenced by other storage,
+		// and in path-based-scheme some technical challenges are still unsolved.
+		// Although it won't affect the correctness but please fix it TODO(rjl493456442).
 	}
 	if len(s.stateObjectsDirty) > 0 {
 		s.stateObjectsDirty = make(map[common.Address]struct{})
@@ -1003,16 +1084,13 @@ func (s *StateDB) commit(deleteEmptyObjects bool, snaps *snapshot.Tree, blockHas
 	if metrics.EnabledExpensive {
 		start = time.Now()
 	}
-	root, set, err := s.trie.Commit(true)
-	if err != nil {
-		return common.Hash{}, err
-	}
+	root, set := s.trie.Commit(true)
 	// Merge the dirty nodes of account trie into global set
 	if set != nil {
 		if err := nodes.Merge(set); err != nil {
 			return common.Hash{}, err
 		}
-		accountTrieNodes = set.Len()
+		accountTrieNodesUpdated, accountTrieNodesDeleted = set.Size()
 	}
 	if metrics.EnabledExpensive {
 		s.AccountCommits += time.Since(start)
@@ -1021,69 +1099,97 @@ func (s *StateDB) commit(deleteEmptyObjects bool, snaps *snapshot.Tree, blockHas
 		storageUpdatedMeter.Mark(int64(s.StorageUpdated))
 		accountDeletedMeter.Mark(int64(s.AccountDeleted))
 		storageDeletedMeter.Mark(int64(s.StorageDeleted))
-		accountTrieCommittedMeter.Mark(int64(accountTrieNodes))
-		storageTriesCommittedMeter.Mark(int64(storageTrieNodes))
+		accountTrieUpdatedMeter.Mark(int64(accountTrieNodesUpdated))
+		accountTrieDeletedMeter.Mark(int64(accountTrieNodesDeleted))
+		storageTriesUpdatedMeter.Mark(int64(storageTrieNodesUpdated))
+		storageTriesDeletedMeter.Mark(int64(storageTrieNodesDeleted))
 		s.AccountUpdated, s.AccountDeleted = 0, 0
 		s.StorageUpdated, s.StorageDeleted = 0, 0
 	}
 	// If snapshotting is enabled, update the snapshot tree with this new version
 	if snaps != nil {
+		start := time.Now()
 		if s.snap == nil {
 			log.Error(fmt.Sprintf("cannot commit with snaps without a pre-existing snap layer, parentHash: %s, blockHash: %s", parentHash, blockHash))
 		}
-		if metrics.EnabledExpensive {
-			defer func(start time.Time) { s.SnapshotCommits += time.Since(start) }(time.Now())
-		}
-		if err := snaps.Update(blockHash, root, parentHash, s.snapDestructs, s.snapAccounts, s.snapStorage); err != nil {
+		if err := snaps.Update(blockHash, root, parentHash, s.convertAccountSet(s.stateObjectsDestruct), s.snapAccounts, s.snapStorage); err != nil {
 			log.Warn("Failed to update snapshot tree", "to", root, "err", err)
 		}
-		s.snap, s.snapDestructs, s.snapAccounts, s.snapStorage = nil, nil, nil, nil
+		if metrics.EnabledExpensive {
+			s.SnapshotCommits += time.Since(start)
+		}
+		s.snap, s.snapAccounts, s.snapStorage = nil, nil, nil
 	}
-	if referenceRoot {
-		if err := s.db.TrieDB().UpdateAndReferenceRoot(nodes, root); err != nil {
-			return common.Hash{}, err
+	if len(s.stateObjectsDestruct) > 0 {
+		s.stateObjectsDestruct = make(map[common.Address]struct{})
+	}
+	if root == (common.Hash{}) {
+		root = types.EmptyRootHash
+	}
+	origin := s.originalRoot
+	if origin == (common.Hash{}) {
+		origin = types.EmptyRootHash
+	}
+	if root != origin {
+		start := time.Now()
+		if referenceRoot {
+			if err := s.db.TrieDB().UpdateAndReferenceRoot(nodes, root); err != nil {
+				return common.Hash{}, err
+			}
+		} else {
+			if err := s.db.TrieDB().Update(nodes); err != nil {
+				return common.Hash{}, err
+			}
 		}
-	} else {
-		if err := s.db.TrieDB().Update(nodes); err != nil {
-			return common.Hash{}, err
+		s.originalRoot = root
+		if metrics.EnabledExpensive {
+			s.TrieDBCommits += time.Since(start)
 		}
 	}
-	s.originalRoot = root
-	if metrics.EnabledExpensive {
-		s.TrieDBCommits += time.Since(start)
-	}
-	return root, err
+	return root, nil
 }
 
-// PrepareAccessList handles the preparatory steps for executing a state transition with
-// regards to both EIP-2929 and EIP-2930:
+// Prepare handles the preparatory steps for executing a state transition with.
+// This method must be invoked before state transition.
 //
+// Berlin fork:
 // - Add sender to access list (2929)
 // - Add destination to access list (2929)
 // - Add precompiles to access list (2929)
 // - Add the contents of the optional tx access list (2930)
 //
-// This method should only be called if Berlin/SubnetEVM/2929+2930 is applicable at the current number.
-func (s *StateDB) PrepareAccessList(sender common.Address, dst *common.Address, rules params.Rules, precompiles []common.Address, list types.AccessList) {
-	// Clear out any leftover from previous executions
-	s.accessList = newAccessList()
-
-	s.AddAddressToAccessList(sender)
-	if dst != nil {
-		s.AddAddressToAccessList(*dst)
-		// If it's a create-tx, the destination will be added inside evm.create
-	}
-	for _, addr := range precompiles {
-		s.AddAddressToAccessList(addr)
-	}
-
-	for _, el := range list {
-		s.AddAddressToAccessList(el.Address)
-		for _, key := range el.StorageKeys {
-			s.AddSlotToAccessList(el.Address, key)
+// Potential EIPs:
+// - Reset access list (Berlin)
+// - Add coinbase to access list (EIP-3651/DUpgrade)
+// - Reset transient storage (EIP-1153)
+func (s *StateDB) Prepare(rules params.Rules, sender, coinbase common.Address, dst *common.Address, precompiles []common.Address, list types.AccessList) {
+	if rules.IsSubnetEVM {
+		// Clear out any leftover from previous executions
+		al := newAccessList()
+		s.accessList = al
+
+		al.AddAddress(sender)
+		if dst != nil {
+			al.AddAddress(*dst)
+			// If it's a create-tx, the destination will be added inside evm.create
+		}
+		for _, addr := range precompiles {
+			al.AddAddress(addr)
+		}
+		for _, el := range list {
+			al.AddAddress(el.Address)
+			for _, key := range el.StorageKeys {
+				al.AddSlot(el.Address, key)
+			}
+		}
+		if rules.IsDUpgrade { // EIP-3651: warm coinbase
+			al.AddAddress(coinbase)
 		}
+
+		s.preparePredicateStorageSlots(rules, list)
 	}
-	s.preparePredicateStorageSlots(rules, list)
+	// Reset transient storage at the beginning of transaction execution
+	s.transientStorage = newTransientStorage()
 }
 
 // preparePredicateStorageSlots populates the predicateStorageSlots field from the transaction's access list
@@ -1097,7 +1203,7 @@ func (s *StateDB) preparePredicateStorageSlots(rules params.Rules, list types.Ac
 		if !rules.PredicateExists(el.Address) {
 			continue
 		}
-		s.predicateStorageSlots[el.Address] = utils.HashSliceToBytes(el.StorageKeys)
+		s.predicateStorageSlots[el.Address] = predicateutils.HashSliceToBytes(el.StorageKeys)
 	}
 }
 
@@ -1145,3 +1251,22 @@ func (s *StateDB) GetPredicateStorageSlots(address common.Address) ([]byte, bool
 	storageSlots, exists := s.predicateStorageSlots[address]
 	return storageSlots, exists
 }
+
+// convertAccountSet converts a provided account set from address keyed to hash keyed.
+func (s *StateDB) convertAccountSet(set map[common.Address]struct{}) map[common.Hash]struct{} {
+	ret := make(map[common.Hash]struct{})
+	for addr := range set {
+		obj, exist := s.stateObjects[addr]
+		if !exist {
+			ret[crypto.Keccak256Hash(addr[:])] = struct{}{}
+		} else {
+			ret[obj.addrHash] = struct{}{}
+		}
+	}
+	return ret
+}
+
+// SetPredicateStorageSlots sets the predicate storage slots for the given address
+func (s *StateDB) SetPredicateStorageSlots(address common.Address, predicate []byte) {
+	s.predicateStorageSlots[address] = predicate
+}
diff --git a/core/state/statedb_test.go b/core/state/statedb_test.go
index 3ff9f26555..77dcc548a4 100644
--- a/core/state/statedb_test.go
+++ b/core/state/statedb_test.go
@@ -64,7 +64,7 @@ func TestUpdateLeaks(t *testing.T) {
 	}
 
 	root := state.IntermediateRoot(false)
-	if err := state.Database().TrieDB().Commit(root, false, nil); err != nil {
+	if err := state.Database().TrieDB().Commit(root, false); err != nil {
 		t.Errorf("can not commit trie %v to persistent database", root.Hex())
 	}
 
@@ -115,7 +115,7 @@ func TestIntermediateLeaks(t *testing.T) {
 	if err != nil {
 		t.Fatalf("failed to commit transition state: %v", err)
 	}
-	if err = transState.Database().TrieDB().Commit(transRoot, false, nil); err != nil {
+	if err = transState.Database().TrieDB().Commit(transRoot, false); err != nil {
 		t.Errorf("can not commit trie %v to persistent database", transRoot.Hex())
 	}
 
@@ -123,7 +123,7 @@ func TestIntermediateLeaks(t *testing.T) {
 	if err != nil {
 		t.Fatalf("failed to commit final state: %v", err)
 	}
-	if err = finalState.Database().TrieDB().Commit(finalRoot, false, nil); err != nil {
+	if err = finalState.Database().TrieDB().Commit(finalRoot, false); err != nil {
 		t.Errorf("can not commit trie %v to persistent database", finalRoot.Hex())
 	}
 
@@ -351,6 +351,16 @@ func newTestAction(addr common.Address, r *rand.Rand) testAction {
 			},
 			args: make([]int64, 1),
 		},
+		{
+			name: "SetTransientState",
+			fn: func(a testAction, s *StateDB) {
+				var key, val common.Hash
+				binary.BigEndian.PutUint16(key[:], uint16(a.args[0]))
+				binary.BigEndian.PutUint16(val[:], uint16(a.args[1]))
+				s.SetTransientState(addr, key, val)
+			},
+			args: make([]int64, 2),
+		},
 	}
 	action := actions[r.Intn(len(actions))]
 	var nameargs []string
@@ -472,9 +482,9 @@ func (test *snapshotTest) checkEqual(state, checkstate *StateDB) error {
 		return fmt.Errorf("got GetRefund() == %d, want GetRefund() == %d",
 			state.GetRefund(), checkstate.GetRefund())
 	}
-	if !reflect.DeepEqual(state.GetLogs(common.Hash{}, common.Hash{}), checkstate.GetLogs(common.Hash{}, common.Hash{})) {
+	if !reflect.DeepEqual(state.GetLogs(common.Hash{}, 0, common.Hash{}), checkstate.GetLogs(common.Hash{}, 0, common.Hash{})) {
 		return fmt.Errorf("got GetLogs(common.Hash{}) == %v, want GetLogs(common.Hash{}) == %v",
-			state.GetLogs(common.Hash{}, common.Hash{}), checkstate.GetLogs(common.Hash{}, common.Hash{}))
+			state.GetLogs(common.Hash{}, 0, common.Hash{}), checkstate.GetLogs(common.Hash{}, 0, common.Hash{}))
 	}
 	return nil
 }
@@ -947,7 +957,7 @@ func TestFlushOrderDataLoss(t *testing.T) {
 	if err := statedb.TrieDB().Cap(1024); err != nil {
 		t.Fatalf("failed to cap trie dirty cache: %v", err)
 	}
-	if err := statedb.TrieDB().Commit(root, false, nil); err != nil {
+	if err := statedb.TrieDB().Commit(root, false); err != nil {
 		t.Fatalf("failed to commit state trie: %v", err)
 	}
 	// Reopen the state trie from flushed disk and verify it
@@ -963,3 +973,37 @@ func TestFlushOrderDataLoss(t *testing.T) {
 		}
 	}
 }
+
+func TestStateDBTransientStorage(t *testing.T) {
+	memDb := rawdb.NewMemoryDatabase()
+	db := NewDatabase(memDb)
+	state, _ := New(common.Hash{}, db, nil)
+
+	key := common.Hash{0x01}
+	value := common.Hash{0x02}
+	addr := common.Address{}
+
+	state.SetTransientState(addr, key, value)
+	if exp, got := 1, state.journal.length(); exp != got {
+		t.Fatalf("journal length mismatch: have %d, want %d", got, exp)
+	}
+	// the retrieved value should equal what was set
+	if got := state.GetTransientState(addr, key); got != value {
+		t.Fatalf("transient storage mismatch: have %x, want %x", got, value)
+	}
+
+	// revert the transient state being set and then check that the
+	// value is now the empty hash
+	state.journal.revert(state, 0)
+	if got, exp := state.GetTransientState(addr, key), (common.Hash{}); exp != got {
+		t.Fatalf("transient storage mismatch: have %x, want %x", got, exp)
+	}
+
+	// set transient state and then copy the statedb and ensure that
+	// the transient state is copied
+	state.SetTransientState(addr, key, value)
+	cpy := state.Copy()
+	if got := cpy.GetTransientState(addr, key); got != value {
+		t.Fatalf("transient storage mismatch: have %x, want %x", got, value)
+	}
+}
diff --git a/core/state/test_statedb.go b/core/state/test_statedb.go
index 9aa5bb092e..c18bdd2c65 100644
--- a/core/state/test_statedb.go
+++ b/core/state/test_statedb.go
@@ -6,14 +6,14 @@ package state
 import (
 	"testing"
 
-	"github.com/ava-labs/subnet-evm/ethdb/memorydb"
+	"github.com/ava-labs/subnet-evm/core/rawdb"
 	"github.com/ava-labs/subnet-evm/precompile/contract"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/stretchr/testify/require"
 )
 
 func NewTestStateDB(t testing.TB) contract.StateDB {
-	db := memorydb.New()
+	db := rawdb.NewMemoryDatabase()
 	stateDB, err := New(common.Hash{}, NewDatabase(db), nil)
 	require.NoError(t, err)
 	return stateDB
diff --git a/core/state/transient_storage.go b/core/state/transient_storage.go
new file mode 100644
index 0000000000..b5ee4f461e
--- /dev/null
+++ b/core/state/transient_storage.go
@@ -0,0 +1,65 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package state
+
+import (
+	"github.com/ethereum/go-ethereum/common"
+)
+
+// transientStorage is a representation of EIP-1153 "Transient Storage".
+type transientStorage map[common.Address]Storage
+
+// newTransientStorage creates a new instance of a transientStorage.
+func newTransientStorage() transientStorage {
+	return make(transientStorage)
+}
+
+// Set sets the transient-storage `value` for `key` at the given `addr`.
+func (t transientStorage) Set(addr common.Address, key, value common.Hash) {
+	if _, ok := t[addr]; !ok {
+		t[addr] = make(Storage)
+	}
+	t[addr][key] = value
+}
+
+// Get gets the transient storage for `key` at the given `addr`.
+func (t transientStorage) Get(addr common.Address, key common.Hash) common.Hash {
+	val, ok := t[addr]
+	if !ok {
+		return common.Hash{}
+	}
+	return val[key]
+}
+
+// Copy does a deep copy of the transientStorage
+func (t transientStorage) Copy() transientStorage {
+	storage := make(transientStorage)
+	for key, value := range t {
+		storage[key] = value.Copy()
+	}
+	return storage
+}
diff --git a/core/state/trie_prefetcher.go b/core/state/trie_prefetcher.go
index 415a3a493f..df32b5a917 100644
--- a/core/state/trie_prefetcher.go
+++ b/core/state/trie_prefetcher.go
@@ -145,6 +145,9 @@ func (p *triePrefetcher) copy() *triePrefetcher {
 	// If the prefetcher is already a copy, duplicate the data
 	if p.fetches != nil {
 		for root, fetch := range p.fetches {
+			if fetch == nil {
+				continue
+			}
 			copy.fetches[root] = p.db.CopyTrie(fetch)
 		}
 		return copy
@@ -166,7 +169,7 @@ func (p *triePrefetcher) prefetch(owner common.Hash, root common.Hash, keys [][]
 	id := p.trieID(owner, root)
 	fetcher := p.fetchers[id]
 	if fetcher == nil {
-		fetcher = newSubfetcher(p.db, owner, root)
+		fetcher = newSubfetcher(p.db, p.root, owner, root)
 		p.fetchers[id] = fetcher
 	}
 	fetcher.schedule(keys)
@@ -222,6 +225,7 @@ func (p *triePrefetcher) trieID(owner common.Hash, root common.Hash) string {
 // the trie being worked on is retrieved from the prefetcher.
 type subfetcher struct {
 	db    Database    // Database to load trie nodes through
+	state common.Hash // Root hash of the state to prefetch
 	owner common.Hash // Owner of the trie, usually account hash
 	root  common.Hash // Root hash of the trie to prefetch
 	trie  Trie        // Trie being populated with nodes
@@ -241,9 +245,10 @@ type subfetcher struct {
 
 // newSubfetcher creates a goroutine to prefetch state items belonging to a
 // particular root hash.
-func newSubfetcher(db Database, owner common.Hash, root common.Hash) *subfetcher {
+func newSubfetcher(db Database, state common.Hash, owner common.Hash, root common.Hash) *subfetcher {
 	sf := &subfetcher{
 		db:    db,
+		state: state,
 		owner: owner,
 		root:  root,
 		wake:  make(chan struct{}, 1),
@@ -314,7 +319,7 @@ func (sf *subfetcher) loop() {
 		}
 		sf.trie = trie
 	} else {
-		trie, err := sf.db.OpenStorageTrie(sf.owner, sf.root)
+		trie, err := sf.db.OpenStorageTrie(sf.state, sf.owner, sf.root)
 		if err != nil {
 			log.Warn("Trie prefetcher failed opening trie", "root", sf.root, "err", err)
 			return
@@ -351,13 +356,7 @@ func (sf *subfetcher) loop() {
 					if _, ok := sf.seen[string(task)]; ok {
 						sf.dups++
 					} else {
-						var err error
-						if len(task) == len(common.Address{}) {
-							_, err = sf.trie.TryGetAccount(task)
-						} else {
-							_, err = sf.trie.TryGet(task)
-						}
-						if err != nil {
+						if _, err := sf.trie.TryGet(task); err != nil {
 							log.Error("Trie prefetcher failed fetching", "root", sf.root, "err", err)
 						}
 						sf.seen[string(task)] = struct{}{}
diff --git a/core/state_manager.go b/core/state_manager.go
index 3d5d1aa1e1..fe9b074fc1 100644
--- a/core/state_manager.go
+++ b/core/state_manager.go
@@ -66,7 +66,7 @@ type TrieWriter interface {
 
 type TrieDB interface {
 	Dereference(root common.Hash)
-	Commit(root common.Hash, report bool, callback func(common.Hash)) error
+	Commit(root common.Hash, report bool) error
 	Size() (common.StorageSize, common.StorageSize)
 	Cap(limit common.StorageSize) error
 }
@@ -103,7 +103,7 @@ func (np *noPruningTrieWriter) InsertTrie(block *types.Block) error {
 func (np *noPruningTrieWriter) AcceptTrie(block *types.Block) error {
 	// We don't need to call [Dereference] on the block root at the end of this
 	// function because it is removed from the [TrieDB.Dirties] map in [Commit].
-	return np.TrieDB.Commit(block.Root(), false, nil)
+	return np.TrieDB.Commit(block.Root(), false)
 }
 
 func (np *noPruningTrieWriter) RejectTrie(block *types.Block) error {
@@ -151,7 +151,7 @@ func (cm *cappedMemoryTrieWriter) AcceptTrie(block *types.Block) error {
 	// Commit this root if we have reached the [commitInterval].
 	modCommitInterval := block.NumberU64() % cm.commitInterval
 	if modCommitInterval == 0 {
-		if err := cm.TrieDB.Commit(root, true, nil); err != nil {
+		if err := cm.TrieDB.Commit(root, true); err != nil {
 			return fmt.Errorf("failed to commit trie for block %s: %w", block.Hash().Hex(), err)
 		}
 		return nil
@@ -199,5 +199,5 @@ func (cm *cappedMemoryTrieWriter) Shutdown() error {
 
 	// Attempt to commit last item added to [dereferenceQueue] on shutdown to avoid
 	// re-processing the state on the next startup.
-	return cm.TrieDB.Commit(last, true, nil)
+	return cm.TrieDB.Commit(last, true)
 }
diff --git a/core/state_manager_test.go b/core/state_manager_test.go
index d9a2ed2c3d..34d3e2cc93 100644
--- a/core/state_manager_test.go
+++ b/core/state_manager_test.go
@@ -21,7 +21,7 @@ type MockTrieDB struct {
 func (t *MockTrieDB) Dereference(root common.Hash) {
 	t.LastDereference = root
 }
-func (t *MockTrieDB) Commit(root common.Hash, report bool, callback func(common.Hash)) error {
+func (t *MockTrieDB) Commit(root common.Hash, report bool) error {
 	t.LastCommit = root
 	return nil
 }
diff --git a/core/state_prefetcher.go b/core/state_prefetcher.go
index a0465fa9e3..a0b000f6ab 100644
--- a/core/state_prefetcher.go
+++ b/core/state_prefetcher.go
@@ -27,7 +27,6 @@
 package core
 
 import (
-	"math/big"
 	"sync/atomic"
 
 	"github.com/ava-labs/subnet-evm/consensus"
@@ -64,7 +63,7 @@ func (p *statePrefetcher) Prefetch(block *types.Block, statedb *state.StateDB, c
 		gaspool      = new(GasPool).AddGas(block.GasLimit())
 		blockContext = NewEVMBlockContext(header, p.bc, nil)
 		evm          = vm.NewEVM(blockContext, vm.TxContext{}, statedb, p.config, cfg)
-		signer       = types.MakeSigner(p.config, header.Number, new(big.Int).SetUint64(header.Time))
+		signer       = types.MakeSigner(p.config, header.Number, header.Time)
 	)
 	// Iterate over and process the individual transactions
 	byzantium := p.config.IsByzantium(block.Number())
@@ -74,11 +73,11 @@ func (p *statePrefetcher) Prefetch(block *types.Block, statedb *state.StateDB, c
 			return
 		}
 		// Convert the transaction into an executable message and pre-cache its sender
-		msg, err := tx.AsMessage(signer, header.BaseFee)
+		msg, err := TransactionToMessage(tx, signer, header.BaseFee)
 		if err != nil {
 			return // Also invalid block, bail out
 		}
-		statedb.Prepare(tx.Hash(), i)
+		statedb.SetTxContext(tx.Hash(), i)
 		if err := precacheTransaction(msg, p.config, gaspool, statedb, header, evm); err != nil {
 			return // Ugh, something went horribly wrong, bail out
 		}
@@ -96,7 +95,7 @@ func (p *statePrefetcher) Prefetch(block *types.Block, statedb *state.StateDB, c
 // precacheTransaction attempts to apply a transaction to the given state database
 // and uses the input parameters for its environment. The goal is not to execute
 // the transaction successfully, rather to warm up touched data slots.
-func precacheTransaction(msg types.Message, config *params.ChainConfig, gaspool *GasPool, statedb *state.StateDB, header *types.Header, evm *vm.EVM) error {
+func precacheTransaction(msg *Message, config *params.ChainConfig, gaspool *GasPool, statedb *state.StateDB, header *types.Header, evm *vm.EVM) error {
 	// Update the evm with the new transaction context.
 	evm.Reset(NewEVMTxContext(msg), statedb)
 	// Add addresses to access list if applicable
diff --git a/core/state_processor.go b/core/state_processor.go
index 8ddc8c4f0d..a61d0e1325 100644
--- a/core/state_processor.go
+++ b/core/state_processor.go
@@ -78,11 +78,10 @@ func (p *StateProcessor) Process(block *types.Block, parent *types.Header, state
 		blockNumber = block.Number()
 		allLogs     []*types.Log
 		gp          = new(GasPool).AddGas(block.GasLimit())
-		timestamp   = new(big.Int).SetUint64(header.Time)
 	)
 
 	// Configure any upgrades that should go into effect during this block.
-	err := ApplyUpgrades(p.config, new(big.Int).SetUint64(parent.Time), block, statedb)
+	err := ApplyUpgrades(p.config, &parent.Time, block, statedb)
 	if err != nil {
 		log.Error("failed to configure precompiles processing block", "hash", block.Hash(), "number", block.NumberU64(), "timestamp", block.Time(), "err", err)
 		return nil, nil, 0, err
@@ -92,12 +91,12 @@ func (p *StateProcessor) Process(block *types.Block, parent *types.Header, state
 	vmenv := vm.NewEVM(blockContext, vm.TxContext{}, statedb, p.config, cfg)
 	// Iterate over and process the individual transactions
 	for i, tx := range block.Transactions() {
-		msg, err := tx.AsMessage(types.MakeSigner(p.config, header.Number, timestamp), header.BaseFee)
+		msg, err := TransactionToMessage(tx, types.MakeSigner(p.config, header.Number, header.Time), header.BaseFee)
 		if err != nil {
 			return nil, nil, 0, fmt.Errorf("could not apply tx %d [%v]: %w", i, tx.Hash().Hex(), err)
 		}
-		statedb.Prepare(tx.Hash(), i)
-		receipt, err := applyTransaction(msg, p.config, nil, gp, statedb, blockNumber, blockHash, tx, usedGas, vmenv)
+		statedb.SetTxContext(tx.Hash(), i)
+		receipt, err := applyTransaction(msg, p.config, gp, statedb, blockNumber, blockHash, tx, usedGas, vmenv)
 		if err != nil {
 			return nil, nil, 0, fmt.Errorf("could not apply tx %d [%v]: %w", i, tx.Hash().Hex(), err)
 		}
@@ -112,7 +111,7 @@ func (p *StateProcessor) Process(block *types.Block, parent *types.Header, state
 	return receipts, allLogs, *usedGas, nil
 }
 
-func applyTransaction(msg types.Message, config *params.ChainConfig, author *common.Address, gp *GasPool, statedb *state.StateDB, blockNumber *big.Int, blockHash common.Hash, tx *types.Transaction, usedGas *uint64, evm *vm.EVM) (*types.Receipt, error) {
+func applyTransaction(msg *Message, config *params.ChainConfig, gp *GasPool, statedb *state.StateDB, blockNumber *big.Int, blockHash common.Hash, tx *types.Transaction, usedGas *uint64, evm *vm.EVM) (*types.Receipt, error) {
 	// Create a new context to be used in the EVM environment.
 	txContext := NewEVMTxContext(msg)
 	evm.Reset(txContext, statedb)
@@ -144,12 +143,12 @@ func applyTransaction(msg types.Message, config *params.ChainConfig, author *com
 	receipt.GasUsed = result.UsedGas
 
 	// If the transaction created a contract, store the creation address in the receipt.
-	if msg.To() == nil {
+	if msg.To == nil {
 		receipt.ContractAddress = crypto.CreateAddress(evm.TxContext.Origin, tx.Nonce())
 	}
 
 	// Set the receipt logs and create the bloom filter.
-	receipt.Logs = statedb.GetLogs(tx.Hash(), blockHash)
+	receipt.Logs = statedb.GetLogs(tx.Hash(), blockNumber.Uint64(), blockHash)
 	receipt.Bloom = types.CreateBloom(types.Receipts{receipt})
 	receipt.BlockHash = blockHash
 	receipt.BlockNumber = blockNumber
@@ -162,14 +161,14 @@ func applyTransaction(msg types.Message, config *params.ChainConfig, author *com
 // for the transaction, gas used and an error if the transaction failed,
 // indicating the block was invalid.
 func ApplyTransaction(config *params.ChainConfig, bc ChainContext, author *common.Address, gp *GasPool, statedb *state.StateDB, header *types.Header, tx *types.Transaction, usedGas *uint64, cfg vm.Config) (*types.Receipt, error) {
-	msg, err := tx.AsMessage(types.MakeSigner(config, header.Number, new(big.Int).SetUint64(header.Time)), header.BaseFee)
+	msg, err := TransactionToMessage(tx, types.MakeSigner(config, header.Number, header.Time), header.BaseFee)
 	if err != nil {
 		return nil, err
 	}
 	// Create a new context to be used in the EVM environment
 	blockContext := NewEVMBlockContext(header, bc, author)
 	vmenv := vm.NewEVM(blockContext, vm.TxContext{}, statedb, config, cfg)
-	return applyTransaction(msg, config, author, gp, statedb, header.Number, header.Hash(), tx, usedGas, vmenv)
+	return applyTransaction(msg, config, gp, statedb, header.Number, header.Hash(), tx, usedGas, vmenv)
 }
 
 // ApplyPrecompileActivations checks if any of the precompiles specified by the chain config are enabled or disabled by the block
@@ -177,7 +176,7 @@ func ApplyTransaction(config *params.ChainConfig, bc ChainContext, author *commo
 // to apply the necessary state transitions for the upgrade.
 // This function is called within genesis setup to configure the starting state for precompiles enabled at genesis.
 // In block processing and building, ApplyUpgrades is called instead which also applies state upgrades.
-func ApplyPrecompileActivations(c *params.ChainConfig, parentTimestamp *big.Int, blockContext contract.BlockContext, statedb *state.StateDB) error {
+func ApplyPrecompileActivations(c *params.ChainConfig, parentTimestamp *uint64, blockContext contract.BlockContext, statedb *state.StateDB) error {
 	blockTimestamp := blockContext.Timestamp()
 	// Note: RegisteredModules returns precompiles sorted by module addresses.
 	// This ensures that the order we call Configure for each precompile is consistent.
@@ -221,7 +220,7 @@ func ApplyPrecompileActivations(c *params.ChainConfig, parentTimestamp *big.Int,
 // applyStateUpgrades checks if any of the state upgrades specified by the chain config are activated by the block
 // transition from [parentTimestamp] to the timestamp set in [header]. If this is the case, it calls [Configure]
 // to apply the necessary state transitions for the upgrade.
-func applyStateUpgrades(c *params.ChainConfig, parentTimestamp *big.Int, blockContext contract.BlockContext, statedb *state.StateDB) error {
+func applyStateUpgrades(c *params.ChainConfig, parentTimestamp *uint64, blockContext contract.BlockContext, statedb *state.StateDB) error {
 	// Apply state upgrades
 	for _, upgrade := range c.GetActivatingStateUpgrades(parentTimestamp, blockContext.Timestamp(), c.StateUpgrades) {
 		log.Info("Applying state upgrade", "blockNumber", blockContext.Number(), "upgrade", upgrade)
@@ -238,7 +237,7 @@ func applyStateUpgrades(c *params.ChainConfig, parentTimestamp *big.Int, blockCo
 // This function is called:
 // - in block processing to update the state when processing a block.
 // - in the miner to apply the state upgrades when producing a block.
-func ApplyUpgrades(c *params.ChainConfig, parentTimestamp *big.Int, blockContext contract.BlockContext, statedb *state.StateDB) error {
+func ApplyUpgrades(c *params.ChainConfig, parentTimestamp *uint64, blockContext contract.BlockContext, statedb *state.StateDB) error {
 	if err := ApplyPrecompileActivations(c, parentTimestamp, blockContext, statedb); err != nil {
 		return err
 	}
diff --git a/core/state_processor_test.go b/core/state_processor_test.go
index b48f612333..48a17618ee 100644
--- a/core/state_processor_test.go
+++ b/core/state_processor_test.go
@@ -38,13 +38,15 @@ import (
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ava-labs/subnet-evm/precompile/contracts/txallowlist"
 	"github.com/ava-labs/subnet-evm/trie"
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
 	"golang.org/x/crypto/sha3"
 )
 
 var (
-	config     = params.TestChainConfig
+	cpcfg      = *params.TestChainConfig
+	config     = &cpcfg
 	signer     = types.LatestSigner(config)
 	testKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
 )
@@ -66,12 +68,26 @@ func mkDynamicTx(nonce uint64, to common.Address, gasLimit uint64, gasTipCap, ga
 	return tx
 }
 
+func mkDynamicCreationTx(nonce uint64, gasLimit uint64, gasTipCap, gasFeeCap *big.Int, data []byte) *types.Transaction {
+	tx, _ := types.SignTx(types.NewTx(&types.DynamicFeeTx{
+		Nonce:     nonce,
+		GasTipCap: gasTipCap,
+		GasFeeCap: gasFeeCap,
+		Gas:       gasLimit,
+		Value:     big.NewInt(0),
+		Data:      data,
+	}), signer, testKey)
+	return tx
+}
+
+func u64(val uint64) *uint64 { return &val }
+
 // TestStateProcessorErrors tests the output from the 'core' errors
 // as defined in core/error.go. These errors are generated when the
 // blockchain imports bad blocks, meaning blocks which have valid headers but
 // contain invalid transactions
 func TestStateProcessorErrors(t *testing.T) {
-	config.FeeConfig.MinBaseFee = params.TestMaxBaseFee
+	config.FeeConfig.MinBaseFee = big.NewInt(params.TestMaxBaseFee)
 	{ // Tests against a 'recent' chain definition
 		var (
 			db    = rawdb.NewMemoryDatabase()
@@ -79,14 +95,13 @@ func TestStateProcessorErrors(t *testing.T) {
 				Config: config,
 				Alloc: GenesisAlloc{
 					common.HexToAddress("0x71562b71999873DB5b286dF957af199Ec94617F7"): GenesisAccount{
-						Balance: big.NewInt(2000000000000000000), // 2 ether
+						Balance: big.NewInt(4000000000000000000), // 4 ether
 						Nonce:   0,
 					},
 				},
 				GasLimit: params.TestChainConfig.FeeConfig.GasLimit.Uint64(),
 			}
-			genesis       = gspec.MustCommit(db)
-			blockchain, _ = NewBlockChain(db, DefaultCacheConfig, gspec.Config, dummy.NewCoinbaseFaker(), vm.Config{}, common.Hash{})
+			blockchain, _ = NewBlockChain(db, DefaultCacheConfig, gspec, dummy.NewCoinbaseFaker(), vm.Config{}, common.Hash{}, false)
 		)
 		defer blockchain.Stop()
 		bigNumber := new(big.Int).SetBytes(common.FromHex("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"))
@@ -111,21 +126,21 @@ func TestStateProcessorErrors(t *testing.T) {
 			},
 			{ // ErrGasLimitReached
 				txs: []*types.Transaction{
-					makeTx(0, common.Address{}, big.NewInt(0), 8000001, big.NewInt(225000000000), nil),
+					makeTx(0, common.Address{}, big.NewInt(0), 15000001, big.NewInt(225000000000), nil),
 				},
-				want: "could not apply tx 0 [0xfbe38b817aaa760c2766b56c019fcdba506560a28fd41c69ae96bdaa4569e317]: gas limit reached",
+				want: "could not apply tx 0 [0x1354370681d2ab68247073d889736f8be4a8d87e35956f0c02658d3670803a66]: gas limit reached",
 			},
 			{ // ErrInsufficientFundsForTransfer
 				txs: []*types.Transaction{
-					makeTx(0, common.Address{}, big.NewInt(2000000000000000000), params.TxGas, big.NewInt(225000000000), nil),
+					makeTx(0, common.Address{}, big.NewInt(4000000000000000000), params.TxGas, big.NewInt(225000000000), nil),
 				},
-				want: "could not apply tx 0 [0xae1601ef55b676ebb824ee7e16a0d14af725b7f9cf5ec79e21f14833c26b5b35]: insufficient funds for gas * price + value: address 0x71562b71999873DB5b286dF957af199Ec94617F7 have 2000000000000000000 want 2004725000000000000",
+				want: "could not apply tx 0 [0x1632f2bffcce84a5c91dd8ab2016128fccdbcfbe0485d2c67457e1c793c72a4b]: insufficient funds for gas * price + value: address 0x71562b71999873DB5b286dF957af199Ec94617F7 have 4000000000000000000 want 4004725000000000000",
 			},
 			{ // ErrInsufficientFunds
 				txs: []*types.Transaction{
 					makeTx(0, common.Address{}, big.NewInt(0), params.TxGas, big.NewInt(900000000000000000), nil),
 				},
-				want: "could not apply tx 0 [0x4a69690c4b0cd85e64d0d9ea06302455b01e10a83db964d60281739752003440]: insufficient funds for gas * price + value: address 0x71562b71999873DB5b286dF957af199Ec94617F7 have 2000000000000000000 want 18900000000000000000000",
+				want: "could not apply tx 0 [0x4a69690c4b0cd85e64d0d9ea06302455b01e10a83db964d60281739752003440]: insufficient funds for gas * price + value: address 0x71562b71999873DB5b286dF957af199Ec94617F7 have 4000000000000000000 want 18900000000000000000000",
 			},
 			// ErrGasUintOverflow
 			// One missing 'core' error is ErrGasUintOverflow: "gas uint64 overflow",
@@ -139,9 +154,9 @@ func TestStateProcessorErrors(t *testing.T) {
 			},
 			{ // ErrGasLimitReached
 				txs: []*types.Transaction{
-					makeTx(0, common.Address{}, big.NewInt(0), params.TxGas*381, big.NewInt(225000000000), nil),
+					makeTx(0, common.Address{}, big.NewInt(0), params.TxGas*762, big.NewInt(225000000000), nil),
 				},
-				want: "could not apply tx 0 [0x9ee548e001369418ae53aaa11b5d823f081cc7fa9c9a7ee71a978ae17a2aece0]: gas limit reached",
+				want: "could not apply tx 0 [0x76c07cc2b32007eb1a9c3fa066d579a3d77ec4ecb79bbc266624a601d7b08e46]: gas limit reached",
 			},
 			{ // ErrFeeCapTooLow
 				txs: []*types.Transaction{
@@ -174,18 +189,18 @@ func TestStateProcessorErrors(t *testing.T) {
 				// This test is designed to have the effective cost be covered by the balance, but
 				// the extended requirement on FeeCap*gas < balance to fail
 				txs: []*types.Transaction{
-					mkDynamicTx(0, common.Address{}, params.TxGas, big.NewInt(1), big.NewInt(100000000000000)),
+					mkDynamicTx(0, common.Address{}, params.TxGas, big.NewInt(1), big.NewInt(200000000000000)),
 				},
-				want: "could not apply tx 0 [0x3388378ed60640e75d2edf728d5528a305f599997abc4f23ec46b351b6197499]: insufficient funds for gas * price + value: address 0x71562b71999873DB5b286dF957af199Ec94617F7 have 2000000000000000000 want 2100000000000000000",
+				want: "could not apply tx 0 [0xa3840aa3cad37eec8607b9f4846813d4a80e70b462a793fa21f64138156f849b]: insufficient funds for gas * price + value: address 0x71562b71999873DB5b286dF957af199Ec94617F7 have 4000000000000000000 want 4200000000000000000",
 			},
 			{ // Another ErrInsufficientFunds, this one to ensure that feecap/tip of max u256 is allowed
 				txs: []*types.Transaction{
 					mkDynamicTx(0, common.Address{}, params.TxGas, bigNumber, bigNumber),
 				},
-				want: "could not apply tx 0 [0xd82a0c2519acfeac9a948258c47e784acd20651d9d80f9a1c67b4137651c3a24]: insufficient funds for gas * price + value: address 0x71562b71999873DB5b286dF957af199Ec94617F7 have 2000000000000000000 want 2431633873983640103894990685182446064918669677978451844828609264166175722438635000",
+				want: "could not apply tx 0 [0xd82a0c2519acfeac9a948258c47e784acd20651d9d80f9a1c67b4137651c3a24]: insufficient funds for gas * price + value: address 0x71562b71999873DB5b286dF957af199Ec94617F7 have 4000000000000000000 want 2431633873983640103894990685182446064918669677978451844828609264166175722438635000",
 			},
 		} {
-			block := GenerateBadBlock(genesis, dummy.NewCoinbaseFaker(), tt.txs, gspec.Config)
+			block := GenerateBadBlock(gspec.ToBlock(), dummy.NewCoinbaseFaker(), tt.txs, gspec.Config)
 			_, err := blockchain.InsertChain(types.Blocks{block})
 			if err == nil {
 				t.Fatal("block imported without errors")
@@ -223,8 +238,7 @@ func TestStateProcessorErrors(t *testing.T) {
 				},
 				GasLimit: params.TestChainConfig.FeeConfig.GasLimit.Uint64(),
 			}
-			genesis       = gspec.MustCommit(db)
-			blockchain, _ = NewBlockChain(db, DefaultCacheConfig, gspec.Config, dummy.NewCoinbaseFaker(), vm.Config{}, common.Hash{})
+			blockchain, _ = NewBlockChain(db, DefaultCacheConfig, gspec, dummy.NewCoinbaseFaker(), vm.Config{}, common.Hash{}, false)
 		)
 		defer blockchain.Stop()
 		for i, tt := range []struct {
@@ -238,7 +252,7 @@ func TestStateProcessorErrors(t *testing.T) {
 				want: "could not apply tx 0 [0x88626ac0d53cb65308f2416103c62bb1f18b805573d4f96a3640bbbfff13c14f]: transaction type not supported",
 			},
 		} {
-			block := GenerateBadBlock(genesis, dummy.NewCoinbaseFaker(), tt.txs, gspec.Config)
+			block := GenerateBadBlock(gspec.ToBlock(), dummy.NewCoinbaseFaker(), tt.txs, gspec.Config)
 			_, err := blockchain.InsertChain(types.Blocks{block})
 			if err == nil {
 				t.Fatal("block imported without errors")
@@ -264,8 +278,7 @@ func TestStateProcessorErrors(t *testing.T) {
 				},
 				GasLimit: params.TestChainConfig.FeeConfig.GasLimit.Uint64(),
 			}
-			genesis       = gspec.MustCommit(db)
-			blockchain, _ = NewBlockChain(db, DefaultCacheConfig, gspec.Config, dummy.NewCoinbaseFaker(), vm.Config{}, common.Hash{})
+			blockchain, _ = NewBlockChain(db, DefaultCacheConfig, gspec, dummy.NewCoinbaseFaker(), vm.Config{}, common.Hash{}, false)
 		)
 		defer blockchain.Stop()
 		for i, tt := range []struct {
@@ -279,7 +292,71 @@ func TestStateProcessorErrors(t *testing.T) {
 				want: "could not apply tx 0 [0x88626ac0d53cb65308f2416103c62bb1f18b805573d4f96a3640bbbfff13c14f]: sender not an eoa: address 0x71562b71999873DB5b286dF957af199Ec94617F7, codehash: 0x9280914443471259d4570a8661015ae4a5b80186dbc619658fb494bebc3da3d1",
 			},
 		} {
-			block := GenerateBadBlock(genesis, dummy.NewCoinbaseFaker(), tt.txs, gspec.Config)
+			block := GenerateBadBlock(gspec.ToBlock(), dummy.NewCoinbaseFaker(), tt.txs, gspec.Config)
+			_, err := blockchain.InsertChain(types.Blocks{block})
+			if err == nil {
+				t.Fatal("block imported without errors")
+			}
+			if have, want := err.Error(), tt.want; have != want {
+				t.Errorf("test %d:\nhave \"%v\"\nwant \"%v\"\n", i, have, want)
+			}
+		}
+	}
+
+	// ErrMaxInitCodeSizeExceeded, for this we need extra Shanghai (DUpgrade/EIP-3860) enabled.
+	{
+		var (
+			db    = rawdb.NewMemoryDatabase()
+			gspec = &Genesis{
+				Config: &params.ChainConfig{
+					ChainID:             big.NewInt(1),
+					HomesteadBlock:      big.NewInt(0),
+					EIP150Block:         big.NewInt(0),
+					EIP150Hash:          common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"),
+					EIP155Block:         big.NewInt(0),
+					EIP158Block:         big.NewInt(0),
+					ByzantiumBlock:      big.NewInt(0),
+					ConstantinopleBlock: big.NewInt(0),
+					PetersburgBlock:     big.NewInt(0),
+					IstanbulBlock:       big.NewInt(0),
+					MuirGlacierBlock:    big.NewInt(0),
+					MandatoryNetworkUpgrades: params.MandatoryNetworkUpgrades{
+						SubnetEVMTimestamp: utils.NewUint64(0),
+						DUpgradeTimestamp:  utils.NewUint64(0),
+					},
+					FeeConfig: params.DefaultFeeConfig,
+				},
+				Alloc: GenesisAlloc{
+					common.HexToAddress("0x71562b71999873DB5b286dF957af199Ec94617F7"): GenesisAccount{
+						Balance: big.NewInt(1000000000000000000), // 1 ether
+						Nonce:   0,
+					},
+				},
+				GasLimit: params.DefaultFeeConfig.GasLimit.Uint64(),
+			}
+			blockchain, _  = NewBlockChain(db, DefaultCacheConfig, gspec, dummy.NewCoinbaseFaker(), vm.Config{}, common.Hash{}, false)
+			tooBigInitCode = [params.MaxInitCodeSize + 1]byte{}
+			smallInitCode  = [320]byte{}
+		)
+		defer blockchain.Stop()
+		for i, tt := range []struct {
+			txs  []*types.Transaction
+			want string
+		}{
+			{ // ErrMaxInitCodeSizeExceeded
+				txs: []*types.Transaction{
+					mkDynamicCreationTx(0, 500000, common.Big0, big.NewInt(params.TestInitialBaseFee), tooBigInitCode[:]),
+				},
+				want: "could not apply tx 0 [0x18a05f40f29ff16d5287f6f88b21c9f3c7fbc268f707251144996294552c4cd6]: max initcode size exceeded: code size 49153 limit 49152",
+			},
+			{ // ErrIntrinsicGas: Not enough gas to cover init code
+				txs: []*types.Transaction{
+					mkDynamicCreationTx(0, 54299, common.Big0, big.NewInt(params.TestInitialBaseFee), smallInitCode[:]),
+				},
+				want: "could not apply tx 0 [0x849278f616d51ab56bba399551317213ce7a10e4d9cbc3d14bb663e50cb7ab99]: intrinsic gas too low: have 54299, want 54300",
+			},
+		} {
+			block := GenerateBadBlock(gspec.ToBlock(), dummy.NewCoinbaseFaker(), tt.txs, gspec.Config)
 			_, err := blockchain.InsertChain(types.Blocks{block})
 			if err == nil {
 				t.Fatal("block imported without errors")
@@ -312,11 +389,11 @@ func TestBadTxAllowListBlock(t *testing.T) {
 			PetersburgBlock:     big.NewInt(0),
 			IstanbulBlock:       big.NewInt(0),
 			MuirGlacierBlock:    big.NewInt(0),
-			NetworkUpgrades: params.NetworkUpgrades{
-				SubnetEVMTimestamp: big.NewInt(0),
+			MandatoryNetworkUpgrades: params.MandatoryNetworkUpgrades{
+				SubnetEVMTimestamp: utils.NewUint64(0),
 			},
 			GenesisPrecompiles: params.Precompiles{
-				txallowlist.ConfigKey: txallowlist.NewConfig(big.NewInt(0), nil, nil),
+				txallowlist.ConfigKey: txallowlist.NewConfig(utils.NewUint64(0), nil, nil),
 			},
 		}
 		signer     = types.LatestSigner(config)
@@ -330,12 +407,11 @@ func TestBadTxAllowListBlock(t *testing.T) {
 					Nonce:   0,
 				},
 			},
-
-			GasLimit: params.TestChainConfig.FeeConfig.GasLimit.Uint64(),
+			GasLimit: config.FeeConfig.GasLimit.Uint64(),
 		}
-		genesis       = gspec.MustCommit(db)
-		blockchain, _ = NewBlockChain(db, DefaultCacheConfig, gspec.Config, dummy.NewCoinbaseFaker(), vm.Config{}, common.Hash{})
+		blockchain, _ = NewBlockChain(db, DefaultCacheConfig, gspec, dummy.NewCoinbaseFaker(), vm.Config{}, common.Hash{}, false)
 	)
+	defer blockchain.Stop()
 
 	mkDynamicTx := func(nonce uint64, to common.Address, gasLimit uint64, gasTipCap, gasFeeCap *big.Int) *types.Transaction {
 		tx, _ := types.SignTx(types.NewTx(&types.DynamicFeeTx{
@@ -361,7 +437,7 @@ func TestBadTxAllowListBlock(t *testing.T) {
 			want: "could not apply tx 0 [0xc5725e8baac950b2925dd4fea446ccddead1cc0affdae18b31a7d910629d9225]: cannot issue transaction from non-allow listed address: 0x71562b71999873DB5b286dF957af199Ec94617F7",
 		},
 	} {
-		block := GenerateBadBlock(genesis, dummy.NewCoinbaseFaker(), tt.txs, gspec.Config)
+		block := GenerateBadBlock(gspec.ToBlock(), dummy.NewCoinbaseFaker(), tt.txs, gspec.Config)
 		_, err := blockchain.InsertChain(types.Blocks{block})
 		if err == nil {
 			t.Fatal("block imported without errors")
@@ -392,7 +468,7 @@ func GenerateBadBlock(parent *types.Block, engine consensus.Engine, txs types.Tr
 		UncleHash: types.EmptyUncleHash,
 	}
 
-	if config.IsSubnetEVM(new(big.Int).SetUint64(header.Time)) {
+	if config.IsSubnetEVM(header.Time) {
 		header.Extra, header.BaseFee, _ = dummy.CalcBaseFee(config, config.FeeConfig, parent.Header(), header.Time)
 		header.BlockGasCost = big.NewInt(0)
 	}
diff --git a/core/state_transition.go b/core/state_transition.go
index e40411f67d..e532f73822 100644
--- a/core/state_transition.go
+++ b/core/state_transition.go
@@ -31,68 +31,16 @@ import (
 	"math"
 	"math/big"
 
-	"github.com/ethereum/go-ethereum/crypto"
-
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/core/vm"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ava-labs/subnet-evm/precompile/contracts/txallowlist"
+	predicateutils "github.com/ava-labs/subnet-evm/utils/predicate"
 	"github.com/ava-labs/subnet-evm/vmerrs"
 	"github.com/ethereum/go-ethereum/common"
+	cmath "github.com/ethereum/go-ethereum/common/math"
 )
 
-var emptyCodeHash = crypto.Keccak256Hash(nil)
-
-/*
-The State Transitioning Model
-
-A state transition is a change made when a transaction is applied to the current world state
-The state transitioning model does all the necessary work to work out a valid new state root.
-
-1) Nonce handling
-2) Pre pay gas
-3) Create a new state object if the recipient is \0*32
-4) Value transfer
-== If contract creation ==
-
-	4a) Attempt to run transaction data
-	4b) If valid, use result as code for the new state object
-
-== end ==
-5) Run Script section
-6) Derive new state root
-*/
-type StateTransition struct {
-	gp         *GasPool
-	msg        Message
-	gas        uint64
-	gasPrice   *big.Int
-	gasFeeCap  *big.Int
-	gasTipCap  *big.Int
-	initialGas uint64
-	value      *big.Int
-	data       []byte
-	state      vm.StateDB
-	evm        *vm.EVM
-}
-
-// Message represents a message sent to a contract.
-type Message interface {
-	From() common.Address
-	To() *common.Address
-
-	GasPrice() *big.Int
-	GasFeeCap() *big.Int
-	GasTipCap() *big.Int
-	Gas() uint64
-	Value() *big.Int
-
-	Nonce() uint64
-	IsFake() bool
-	Data() []byte
-	AccessList() types.AccessList
-}
-
 // ExecutionResult includes all output after executing given evm
 // message no matter the execution itself is successful or not.
 type ExecutionResult struct {
@@ -129,16 +77,17 @@ func (result *ExecutionResult) Revert() []byte {
 }
 
 // IntrinsicGas computes the 'intrinsic gas' for a message with the given data.
-func IntrinsicGas(data []byte, accessList types.AccessList, isContractCreation bool, isHomestead, isEIP2028 bool) (uint64, error) {
+func IntrinsicGas(data []byte, accessList types.AccessList, isContractCreation bool, rules params.Rules) (uint64, error) {
 	// Set the starting gas for the raw transaction
 	var gas uint64
-	if isContractCreation && isHomestead {
+	if isContractCreation && rules.IsHomestead {
 		gas = params.TxGasContractCreation
 	} else {
 		gas = params.TxGas
 	}
+	dataLen := uint64(len(data))
 	// Bump the required gas by the amount of transactional data
-	if len(data) > 0 {
+	if dataLen > 0 {
 		// Zero and non-zero bytes are priced differently
 		var nz uint64
 		for _, byt := range data {
@@ -148,7 +97,7 @@ func IntrinsicGas(data []byte, accessList types.AccessList, isContractCreation b
 		}
 		// Make sure we don't exceed uint64 for all data combinations
 		nonZeroGas := params.TxDataNonZeroGasFrontier
-		if isEIP2028 {
+		if rules.IsIstanbul {
 			nonZeroGas = params.TxDataNonZeroGasEIP2028
 		}
 		if (math.MaxUint64-gas)/nonZeroGas < nz {
@@ -156,32 +105,134 @@ func IntrinsicGas(data []byte, accessList types.AccessList, isContractCreation b
 		}
 		gas += nz * nonZeroGas
 
-		z := uint64(len(data)) - nz
+		z := dataLen - nz
 		if (math.MaxUint64-gas)/params.TxDataZeroGas < z {
 			return 0, ErrGasUintOverflow
 		}
 		gas += z * params.TxDataZeroGas
+
+		if isContractCreation && rules.IsDUpgrade {
+			lenWords := toWordSize(dataLen)
+			if (math.MaxUint64-gas)/params.InitCodeWordGas < lenWords {
+				return 0, ErrGasUintOverflow
+			}
+			gas += lenWords * params.InitCodeWordGas
+		}
 	}
 	if accessList != nil {
+		accessListGas, err := accessListGas(rules, accessList)
+		if err != nil {
+			return 0, err
+		}
+		totalGas, overflow := cmath.SafeAdd(gas, accessListGas)
+		if overflow {
+			return 0, ErrGasUintOverflow
+		}
+		gas = totalGas
+	}
+
+	return gas, nil
+}
+
+func accessListGas(rules params.Rules, accessList types.AccessList) (uint64, error) {
+	var gas uint64
+	if !rules.PredicatesExist() {
 		gas += uint64(len(accessList)) * params.TxAccessListAddressGas
 		gas += uint64(accessList.StorageKeys()) * params.TxAccessListStorageKeyGas
+		return gas, nil
 	}
+
+	for _, accessTuple := range accessList {
+		address := accessTuple.Address
+		if !rules.PredicateExists(address) {
+			// Previous access list gas calculation does not use safemath because an overflow would not be possible with
+			// the size of access lists that could be included in a block and standard access list gas costs.
+			// Therefore, we only check for overflow when adding to [totalGas], which could include the sum of values
+			// returned by a predicate.
+			accessTupleGas := params.TxAccessListAddressGas + uint64(len(accessTuple.StorageKeys))*params.TxAccessListStorageKeyGas
+			totalGas, overflow := cmath.SafeAdd(gas, accessTupleGas)
+			if overflow {
+				return 0, ErrGasUintOverflow
+			}
+			gas = totalGas
+		} else {
+			predicateGas, err := applyPredicateGas(rules, accessTuple)
+			if err != nil {
+				return 0, err
+			}
+			totalGas, overflow := cmath.SafeAdd(gas, predicateGas)
+			if overflow {
+				return 0, ErrGasUintOverflow
+			}
+			gas = totalGas
+		}
+	}
+
 	return gas, nil
 }
 
-// NewStateTransition initialises and returns a new state transition object.
-func NewStateTransition(evm *vm.EVM, msg Message, gp *GasPool) *StateTransition {
-	return &StateTransition{
-		gp:        gp,
-		evm:       evm,
-		msg:       msg,
-		gasPrice:  msg.GasPrice(),
-		gasFeeCap: msg.GasFeeCap(),
-		gasTipCap: msg.GasTipCap(),
-		value:     msg.Value(),
-		data:      msg.Data(),
-		state:     evm.StateDB,
+// toWordSize returns the ceiled word size required for init code payment calculation.
+func toWordSize(size uint64) uint64 {
+	if size > math.MaxUint64-31 {
+		return math.MaxUint64/32 + 1
+	}
+
+	return (size + 31) / 32
+}
+
+func applyPredicateGas(rules params.Rules, accessTuple types.AccessTuple) (uint64, error) {
+	predicate, ok := rules.PredicatePrecompiles[accessTuple.Address]
+	if ok {
+		return predicate.PredicateGas(predicateutils.HashSliceToBytes(accessTuple.StorageKeys))
+	}
+	proposerPredicate, ok := rules.ProposerPredicates[accessTuple.Address]
+	if !ok {
+		return 0, nil
+	}
+	return proposerPredicate.PredicateGas(predicateutils.HashSliceToBytes(accessTuple.StorageKeys))
+}
+
+// A Message contains the data derived from a single transaction that is relevant to state
+// processing.
+type Message struct {
+	To         *common.Address
+	From       common.Address
+	Nonce      uint64
+	Value      *big.Int
+	GasLimit   uint64
+	GasPrice   *big.Int
+	GasFeeCap  *big.Int
+	GasTipCap  *big.Int
+	Data       []byte
+	AccessList types.AccessList
+
+	// When SkipAccountCheckss is true, the message nonce is not checked against the
+	// account nonce in state. It also disables checking that the sender is an EOA.
+	// This field will be set to true for operations like RPC eth_call.
+	SkipAccountChecks bool
+}
+
+// TransactionToMessage converts a transaction into a Message.
+func TransactionToMessage(tx *types.Transaction, s types.Signer, baseFee *big.Int) (*Message, error) {
+	msg := &Message{
+		Nonce:             tx.Nonce(),
+		GasLimit:          tx.Gas(),
+		GasPrice:          new(big.Int).Set(tx.GasPrice()),
+		GasFeeCap:         new(big.Int).Set(tx.GasFeeCap()),
+		GasTipCap:         new(big.Int).Set(tx.GasTipCap()),
+		To:                tx.To(),
+		Value:             tx.Value(),
+		Data:              tx.Data(),
+		AccessList:        tx.AccessList(),
+		SkipAccountChecks: false,
+	}
+	// If baseFee provided, set gasPrice to effectiveGasPrice.
+	if baseFee != nil {
+		msg.GasPrice = cmath.BigMin(msg.GasPrice.Add(msg.GasTipCap, baseFee), msg.GasFeeCap)
 	}
+	var err error
+	msg.From, err = types.Sender(s, tx)
+	return msg, err
 }
 
 // ApplyMessage computes the new state by applying the given message
@@ -191,94 +242,138 @@ func NewStateTransition(evm *vm.EVM, msg Message, gp *GasPool) *StateTransition
 // the gas used (which includes gas refunds) and an error if it failed. An error always
 // indicates a core error meaning that the message would always fail for that particular
 // state and would never be accepted within a block.
-func ApplyMessage(evm *vm.EVM, msg Message, gp *GasPool) (*ExecutionResult, error) {
+func ApplyMessage(evm *vm.EVM, msg *Message, gp *GasPool) (*ExecutionResult, error) {
 	return NewStateTransition(evm, msg, gp).TransitionDb()
 }
 
+// StateTransition represents a state transition.
+//
+// == The State Transitioning Model
+//
+// A state transition is a change made when a transaction is applied to the current world
+// state. The state transitioning model does all the necessary work to work out a valid new
+// state root.
+//
+//  1. Nonce handling
+//  2. Pre pay gas
+//  3. Create a new state object if the recipient is nil
+//  4. Value transfer
+//
+// == If contract creation ==
+//
+//	4a. Attempt to run transaction data
+//	4b. If valid, use result as code for the new state object
+//
+// == end ==
+//
+//  5. Run Script section
+//  6. Derive new state root
+type StateTransition struct {
+	gp           *GasPool
+	msg          *Message
+	gasRemaining uint64
+	initialGas   uint64
+	state        vm.StateDB
+	evm          *vm.EVM
+}
+
+// NewStateTransition initialises and returns a new state transition object.
+func NewStateTransition(evm *vm.EVM, msg *Message, gp *GasPool) *StateTransition {
+	return &StateTransition{
+		gp:    gp,
+		evm:   evm,
+		msg:   msg,
+		state: evm.StateDB,
+	}
+}
+
 // to returns the recipient of the message.
 func (st *StateTransition) to() common.Address {
-	if st.msg == nil || st.msg.To() == nil /* contract creation */ {
+	if st.msg == nil || st.msg.To == nil /* contract creation */ {
 		return common.Address{}
 	}
-	return *st.msg.To()
+	return *st.msg.To
 }
 
 func (st *StateTransition) buyGas() error {
-	mgval := new(big.Int).SetUint64(st.msg.Gas())
-	mgval = mgval.Mul(mgval, st.gasPrice)
+	mgval := new(big.Int).SetUint64(st.msg.GasLimit)
+	mgval = mgval.Mul(mgval, st.msg.GasPrice)
 	balanceCheck := mgval
-	if st.gasFeeCap != nil {
-		balanceCheck = new(big.Int).SetUint64(st.msg.Gas())
-		balanceCheck.Mul(balanceCheck, st.gasFeeCap)
-		balanceCheck.Add(balanceCheck, st.value)
+	if st.msg.GasFeeCap != nil {
+		balanceCheck = new(big.Int).SetUint64(st.msg.GasLimit)
+		balanceCheck.Mul(balanceCheck, st.msg.GasFeeCap)
+		balanceCheck.Add(balanceCheck, st.msg.Value)
 	}
-	if have, want := st.state.GetBalance(st.msg.From()), balanceCheck; have.Cmp(want) < 0 {
-		return fmt.Errorf("%w: address %v have %v want %v", ErrInsufficientFunds, st.msg.From().Hex(), have, want)
+	if have, want := st.state.GetBalance(st.msg.From), balanceCheck; have.Cmp(want) < 0 {
+		return fmt.Errorf("%w: address %v have %v want %v", ErrInsufficientFunds, st.msg.From.Hex(), have, want)
 	}
-	if err := st.gp.SubGas(st.msg.Gas()); err != nil {
+	if err := st.gp.SubGas(st.msg.GasLimit); err != nil {
 		return err
 	}
-	st.gas += st.msg.Gas()
+	st.gasRemaining += st.msg.GasLimit
 
-	st.initialGas = st.msg.Gas()
-	st.state.SubBalance(st.msg.From(), mgval)
+	st.initialGas = st.msg.GasLimit
+	st.state.SubBalance(st.msg.From, mgval)
 	return nil
 }
 
 func (st *StateTransition) preCheck() error {
 	// Only check transactions that are not fake
-	if !st.msg.IsFake() {
+	msg := st.msg
+	if !msg.SkipAccountChecks {
 		// Make sure this transaction's nonce is correct.
-		stNonce := st.state.GetNonce(st.msg.From())
-		if msgNonce := st.msg.Nonce(); stNonce < msgNonce {
+		stNonce := st.state.GetNonce(msg.From)
+		if msgNonce := msg.Nonce; stNonce < msgNonce {
 			return fmt.Errorf("%w: address %v, tx: %d state: %d", ErrNonceTooHigh,
-				st.msg.From().Hex(), msgNonce, stNonce)
+				msg.From.Hex(), msgNonce, stNonce)
 		} else if stNonce > msgNonce {
 			return fmt.Errorf("%w: address %v, tx: %d state: %d", ErrNonceTooLow,
-				st.msg.From().Hex(), msgNonce, stNonce)
+				msg.From.Hex(), msgNonce, stNonce)
 		} else if stNonce+1 < stNonce {
 			return fmt.Errorf("%w: address %v, nonce: %d", ErrNonceMax,
-				st.msg.From().Hex(), stNonce)
+				msg.From.Hex(), stNonce)
 		}
 		// Make sure the sender is an EOA
-		if codeHash := st.state.GetCodeHash(st.msg.From()); codeHash != emptyCodeHash && codeHash != (common.Hash{}) {
+		codeHash := st.state.GetCodeHash(msg.From)
+		if codeHash != (common.Hash{}) && codeHash != types.EmptyCodeHash {
 			return fmt.Errorf("%w: address %v, codehash: %s", ErrSenderNoEOA,
-				st.msg.From().Hex(), codeHash)
+				msg.From.Hex(), codeHash)
 		}
 		// Make sure the sender is not prohibited
-		if vm.IsProhibited(st.msg.From()) {
-			return fmt.Errorf("%w: address %v", vmerrs.ErrAddrProhibited, st.msg.From())
+		if vm.IsProhibited(msg.From) {
+			return fmt.Errorf("%w: address %v", vmerrs.ErrAddrProhibited, msg.From)
 		}
 
 		// Check that the sender is on the tx allow list if enabled
 		if st.evm.ChainConfig().IsPrecompileEnabled(txallowlist.ContractAddress, st.evm.Context.Time) {
-			txAllowListRole := txallowlist.GetTxAllowListStatus(st.state, st.msg.From())
+			txAllowListRole := txallowlist.GetTxAllowListStatus(st.state, msg.From)
 			if !txAllowListRole.IsEnabled() {
-				return fmt.Errorf("%w: %s", vmerrs.ErrSenderAddressNotAllowListed, st.msg.From())
+				return fmt.Errorf("%w: %s", vmerrs.ErrSenderAddressNotAllowListed, msg.From)
 			}
 		}
 	}
+
 	// Make sure that transaction gasFeeCap is greater than the baseFee (post london)
 	if st.evm.ChainConfig().IsSubnetEVM(st.evm.Context.Time) {
 		// Skip the checks if gas fields are zero and baseFee was explicitly disabled (eth_call)
-		if !st.evm.Config.NoBaseFee || st.gasFeeCap.BitLen() > 0 || st.gasTipCap.BitLen() > 0 {
-			if l := st.gasFeeCap.BitLen(); l > 256 {
+		if !st.evm.Config.NoBaseFee || msg.GasFeeCap.BitLen() > 0 || msg.GasTipCap.BitLen() > 0 {
+			if l := msg.GasFeeCap.BitLen(); l > 256 {
 				return fmt.Errorf("%w: address %v, maxFeePerGas bit length: %d", ErrFeeCapVeryHigh,
-					st.msg.From().Hex(), l)
+					msg.From.Hex(), l)
 			}
-			if l := st.gasTipCap.BitLen(); l > 256 {
+			if l := msg.GasTipCap.BitLen(); l > 256 {
 				return fmt.Errorf("%w: address %v, maxPriorityFeePerGas bit length: %d", ErrTipVeryHigh,
-					st.msg.From().Hex(), l)
+					msg.From.Hex(), l)
 			}
-			if st.gasFeeCap.Cmp(st.gasTipCap) < 0 {
+			if msg.GasFeeCap.Cmp(msg.GasTipCap) < 0 {
 				return fmt.Errorf("%w: address %v, maxPriorityFeePerGas: %s, maxFeePerGas: %s", ErrTipAboveFeeCap,
-					st.msg.From().Hex(), st.gasTipCap, st.gasFeeCap)
+					msg.From.Hex(), msg.GasTipCap, msg.GasFeeCap)
 			}
 			// This will panic if baseFee is nil, but basefee presence is verified
 			// as part of header validation.
-			if st.gasFeeCap.Cmp(st.evm.Context.BaseFee) < 0 {
+			if msg.GasFeeCap.Cmp(st.evm.Context.BaseFee) < 0 {
 				return fmt.Errorf("%w: address %v, maxFeePerGas: %s baseFee: %s", ErrFeeCapTooLow,
-					st.msg.From().Hex(), st.gasFeeCap, st.evm.Context.BaseFee)
+					msg.From.Hex(), msg.GasFeeCap, st.evm.Context.BaseFee)
 			}
 		}
 	}
@@ -288,13 +383,10 @@ func (st *StateTransition) preCheck() error {
 // TransitionDb will transition the state by applying the current message and
 // returning the evm execution result with following fields.
 //
-//   - used gas:
-//     total gas used (including gas being refunded)
-//   - returndata:
-//     the returned data from evm
-//   - concrete execution error:
-//     various **EVM** error which aborts the execution,
-//     e.g. ErrOutOfGas, ErrExecutionReverted
+//   - used gas: total gas used (including gas being refunded)
+//   - returndata: the returned data from evm
+//   - concrete execution error: various EVM errors which abort the execution, e.g.
+//     ErrOutOfGas, ErrExecutionReverted
 //
 // However if any consensus issue encountered, return the error directly with
 // nil evm execution result.
@@ -317,49 +409,55 @@ func (st *StateTransition) TransitionDb() (*ExecutionResult, error) {
 	if st.evm.Config.Debug {
 		st.evm.Config.Tracer.CaptureTxStart(st.initialGas)
 		defer func() {
-			st.evm.Config.Tracer.CaptureTxEnd(st.gas)
+			st.evm.Config.Tracer.CaptureTxEnd(st.gasRemaining)
 		}()
 	}
 
 	var (
 		msg              = st.msg
-		sender           = vm.AccountRef(msg.From())
+		sender           = vm.AccountRef(msg.From)
 		rules            = st.evm.ChainConfig().AvalancheRules(st.evm.Context.BlockNumber, st.evm.Context.Time)
-		contractCreation = msg.To() == nil
+		contractCreation = msg.To == nil
 	)
 
 	// Check clauses 4-5, subtract intrinsic gas if everything is correct
-	gas, err := IntrinsicGas(st.data, st.msg.AccessList(), contractCreation, rules.IsHomestead, rules.IsIstanbul)
+	gas, err := IntrinsicGas(msg.Data, msg.AccessList, contractCreation, rules)
 	if err != nil {
 		return nil, err
 	}
-	if st.gas < gas {
-		return nil, fmt.Errorf("%w: have %d, want %d", ErrIntrinsicGas, st.gas, gas)
+	if st.gasRemaining < gas {
+		return nil, fmt.Errorf("%w: have %d, want %d", ErrIntrinsicGas, st.gasRemaining, gas)
 	}
-	st.gas -= gas
+	st.gasRemaining -= gas
 
 	// Check clause 6
-	if msg.Value().Sign() > 0 && !st.evm.Context.CanTransfer(st.state, msg.From(), msg.Value()) {
-		return nil, fmt.Errorf("%w: address %v", ErrInsufficientFundsForTransfer, msg.From().Hex())
+	if msg.Value.Sign() > 0 && !st.evm.Context.CanTransfer(st.state, msg.From, msg.Value) {
+		return nil, fmt.Errorf("%w: address %v", ErrInsufficientFundsForTransfer, msg.From.Hex())
 	}
 
-	// Set up the initial access list.
-	if rules.IsSubnetEVM {
-		st.state.PrepareAccessList(msg.From(), msg.To(), rules, vm.ActivePrecompiles(rules), msg.AccessList())
+	// Check whether the init code size has been exceeded.
+	if rules.IsDUpgrade && contractCreation && len(msg.Data) > params.MaxInitCodeSize {
+		return nil, fmt.Errorf("%w: code size %v limit %v", vmerrs.ErrMaxInitCodeSizeExceeded, len(msg.Data), params.MaxInitCodeSize)
 	}
+
+	// Execute the preparatory steps for state transition which includes:
+	// - prepare accessList(post-berlin)
+	// - reset transient storage(eip 1153)
+	st.state.Prepare(rules, msg.From, st.evm.Context.Coinbase, msg.To, vm.ActivePrecompiles(rules), msg.AccessList)
+
 	var (
 		ret   []byte
 		vmerr error // vm errors do not effect consensus and are therefore not assigned to err
 	)
 	if contractCreation {
-		ret, _, st.gas, vmerr = st.evm.Create(sender, st.data, st.gas, st.value)
+		ret, _, st.gasRemaining, vmerr = st.evm.Create(sender, msg.Data, st.gasRemaining, msg.Value)
 	} else {
 		// Increment the nonce for the next transaction
-		st.state.SetNonce(msg.From(), st.state.GetNonce(sender.Address())+1)
-		ret, st.gas, vmerr = st.evm.Call(sender, st.to(), st.data, st.gas, st.value)
+		st.state.SetNonce(msg.From, st.state.GetNonce(sender.Address())+1)
+		ret, st.gasRemaining, vmerr = st.evm.Call(sender, st.to(), msg.Data, st.gasRemaining, msg.Value)
 	}
 	st.refundGas(rules.IsSubnetEVM)
-	st.state.AddBalance(st.evm.Context.Coinbase, new(big.Int).Mul(new(big.Int).SetUint64(st.gasUsed()), st.gasPrice))
+	st.state.AddBalance(st.evm.Context.Coinbase, new(big.Int).Mul(new(big.Int).SetUint64(st.gasUsed()), msg.GasPrice))
 
 	return &ExecutionResult{
 		UsedGas:    st.gasUsed(),
@@ -376,18 +474,19 @@ func (st *StateTransition) refundGas(subnetEVM bool) {
 		if refund > st.state.GetRefund() {
 			refund = st.state.GetRefund()
 		}
-		st.gas += refund
+		st.gasRemaining += refund
 	}
+
 	// Return ETH for remaining gas, exchanged at the original rate.
-	remaining := new(big.Int).Mul(new(big.Int).SetUint64(st.gas), st.gasPrice)
-	st.state.AddBalance(st.msg.From(), remaining)
+	remaining := new(big.Int).Mul(new(big.Int).SetUint64(st.gasRemaining), st.msg.GasPrice)
+	st.state.AddBalance(st.msg.From, remaining)
 
 	// Also return remaining gas to the block gas counter so it is
 	// available for the next transaction.
-	st.gp.AddGas(st.gas)
+	st.gp.AddGas(st.gasRemaining)
 }
 
 // gasUsed returns the amount of gas used up by the state transition.
 func (st *StateTransition) gasUsed() uint64 {
-	return st.initialGas - st.gas
+	return st.initialGas - st.gasRemaining
 }
diff --git a/core/test_blockchain.go b/core/test_blockchain.go
index 83bab5a9fd..284b46816d 100644
--- a/core/test_blockchain.go
+++ b/core/test_blockchain.go
@@ -19,6 +19,7 @@ import (
 	"github.com/ava-labs/subnet-evm/precompile/allowlist"
 	"github.com/ava-labs/subnet-evm/precompile/contracts/deployerallowlist"
 	"github.com/ava-labs/subnet-evm/precompile/contracts/feemanager"
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/stretchr/testify/assert"
@@ -28,7 +29,7 @@ type ChainTest struct {
 	Name     string
 	testFunc func(
 		t *testing.T,
-		create func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error),
+		create func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error),
 	)
 }
 
@@ -104,13 +105,12 @@ func copyMemDB(db ethdb.Database) (ethdb.Database, error) {
 func checkBlockChainState(
 	t *testing.T,
 	bc *BlockChain,
-	genesis *Genesis,
+	gspec *Genesis,
 	originalDB ethdb.Database,
-	create func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error),
+	create func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error),
 	checkState func(sdb *state.StateDB) error,
 ) (*BlockChain, *BlockChain, *BlockChain) {
 	var (
-		chainConfig       = bc.Config()
 		lastAcceptedBlock = bc.LastConsensusAcceptedBlock()
 		newDB             = rawdb.NewMemoryDatabase()
 	)
@@ -123,9 +123,7 @@ func checkBlockChainState(
 		t.Fatalf("Check state failed for original blockchain due to: %s", err)
 	}
 
-	_ = genesis.MustCommit(newDB)
-
-	newBlockChain, err := create(newDB, chainConfig, common.Hash{})
+	newBlockChain, err := create(newDB, gspec, common.Hash{})
 	if err != nil {
 		t.Fatalf("Failed to create new blockchain instance: %s", err)
 	}
@@ -163,13 +161,13 @@ func checkBlockChainState(
 	if err != nil {
 		t.Fatal(err)
 	}
-	restartedChain, err := create(originalDB, chainConfig, lastAcceptedBlock.Hash())
+	restartedChain, err := create(originalDB, gspec, lastAcceptedBlock.Hash())
 	if err != nil {
 		t.Fatal(err)
 	}
 	defer restartedChain.Stop()
 	if currentBlock := restartedChain.CurrentBlock(); currentBlock.Hash() != lastAcceptedBlock.Hash() {
-		t.Fatalf("Expected restarted chain to have current block %s:%d, but found %s:%d", lastAcceptedBlock.Hash().Hex(), lastAcceptedBlock.NumberU64(), currentBlock.Hash().Hex(), currentBlock.NumberU64())
+		t.Fatalf("Expected restarted chain to have current block %s:%d, but found %s:%d", lastAcceptedBlock.Hash().Hex(), lastAcceptedBlock.NumberU64(), currentBlock.Hash().Hex(), currentBlock.Number.Uint64())
 	}
 	if restartedLastAcceptedBlock := restartedChain.LastConsensusAcceptedBlock(); restartedLastAcceptedBlock.Hash() != lastAcceptedBlock.Hash() {
 		t.Fatalf("Expected restarted chain to have current block %s:%d, but found %s:%d", lastAcceptedBlock.Hash().Hex(), lastAcceptedBlock.NumberU64(), restartedLastAcceptedBlock.Hash().Hex(), restartedLastAcceptedBlock.NumberU64())
@@ -187,15 +185,12 @@ func checkBlockChainState(
 	return bc, newBlockChain, restartedChain
 }
 
-func TestInsertChainAcceptSingleBlock(t *testing.T, create func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error)) {
+func TestInsertChainAcceptSingleBlock(t *testing.T, create func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error)) {
 	var (
 		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
 		key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
 		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
 		addr2   = crypto.PubkeyToAddress(key2.PublicKey)
-		// We use two separate databases since GenerateChain commits the state roots to its underlying
-		// database.
-		genDB   = rawdb.NewMemoryDatabase()
 		chainDB = rawdb.NewMemoryDatabase()
 	)
 
@@ -205,10 +200,7 @@ func TestInsertChainAcceptSingleBlock(t *testing.T, create func(db ethdb.Databas
 		Config: &params.ChainConfig{HomesteadBlock: new(big.Int)},
 		Alloc:  GenesisAlloc{addr1: {Balance: genesisBalance}},
 	}
-	genesis := gspec.MustCommit(genDB)
-	_ = gspec.MustCommit(chainDB)
-
-	blockchain, err := create(chainDB, gspec.Config, common.Hash{})
+	blockchain, err := create(chainDB, gspec, common.Hash{})
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -216,9 +208,7 @@ func TestInsertChainAcceptSingleBlock(t *testing.T, create func(db ethdb.Databas
 
 	// This call generates a chain of 3 blocks.
 	signer := types.HomesteadSigner{}
-	// Generate chain of blocks using [genDB] instead of [chainDB] to avoid writing
-	// to the BlockChain's database while generating blocks.
-	chain, _, err := GenerateChain(gspec.Config, genesis, blockchain.engine, genDB, 3, 10, func(i int, gen *BlockGen) {
+	_, chain, _, err := GenerateChainWithGenesis(gspec, blockchain.engine, 3, 10, func(i int, gen *BlockGen) {
 		tx, _ := types.SignTx(types.NewTransaction(gen.TxNonce(addr1), addr2, big.NewInt(10000), params.TxGas, nil, nil), signer, key1)
 		gen.AddTx(tx)
 	})
@@ -264,15 +254,12 @@ func TestInsertChainAcceptSingleBlock(t *testing.T, create func(db ethdb.Databas
 	checkBlockChainState(t, blockchain, gspec, chainDB, create, checkState)
 }
 
-func TestInsertLongForkedChain(t *testing.T, create func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error)) {
+func TestInsertLongForkedChain(t *testing.T, create func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error)) {
 	var (
 		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
 		key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
 		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
 		addr2   = crypto.PubkeyToAddress(key2.PublicKey)
-		// We use two separate databases since GenerateChain commits the state roots to its underlying
-		// database.
-		genDB   = rawdb.NewMemoryDatabase()
 		chainDB = rawdb.NewMemoryDatabase()
 	)
 
@@ -282,10 +269,8 @@ func TestInsertLongForkedChain(t *testing.T, create func(db ethdb.Database, chai
 		Config: &params.ChainConfig{HomesteadBlock: new(big.Int)},
 		Alloc:  GenesisAlloc{addr1: {Balance: genesisBalance}},
 	}
-	genesis := gspec.MustCommit(genDB)
-	_ = gspec.MustCommit(chainDB)
 
-	blockchain, err := create(chainDB, gspec.Config, common.Hash{})
+	blockchain, err := create(chainDB, gspec, common.Hash{})
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -293,9 +278,7 @@ func TestInsertLongForkedChain(t *testing.T, create func(db ethdb.Database, chai
 
 	numBlocks := 129
 	signer := types.HomesteadSigner{}
-	// Generate chain of blocks using [genDB] instead of [chainDB] to avoid writing
-	// to the BlockChain's database while generating blocks.
-	chain1, _, err := GenerateChain(gspec.Config, genesis, blockchain.engine, genDB, numBlocks, 10, func(i int, gen *BlockGen) {
+	_, chain1, _, err := GenerateChainWithGenesis(gspec, blockchain.engine, numBlocks, 10, func(i int, gen *BlockGen) {
 		// Generate a transaction to create a unique block
 		tx, _ := types.SignTx(types.NewTransaction(gen.TxNonce(addr1), addr2, big.NewInt(10000), params.TxGas, nil, nil), signer, key1)
 		gen.AddTx(tx)
@@ -305,7 +288,7 @@ func TestInsertLongForkedChain(t *testing.T, create func(db ethdb.Database, chai
 	}
 	// Generate the forked chain to be longer than the original chain to check for a regression where
 	// a longer chain can trigger a reorg.
-	chain2, _, err := GenerateChain(gspec.Config, genesis, blockchain.engine, genDB, numBlocks+1, 10, func(i int, gen *BlockGen) {
+	_, chain2, _, err := GenerateChainWithGenesis(gspec, blockchain.engine, numBlocks+1, 10, func(i int, gen *BlockGen) {
 		// Generate a transaction with a different amount to ensure [chain2] is different than [chain1].
 		tx, _ := types.SignTx(types.NewTransaction(gen.TxNonce(addr1), addr2, big.NewInt(5000), params.TxGas, nil, nil), signer, key1)
 		gen.AddTx(tx)
@@ -344,7 +327,7 @@ func TestInsertLongForkedChain(t *testing.T, create func(db ethdb.Database, chai
 	currentBlock := blockchain.CurrentBlock()
 	expectedCurrentBlock := chain1[len(chain1)-1]
 	if currentBlock.Hash() != expectedCurrentBlock.Hash() {
-		t.Fatalf("Expected current block to be %s:%d, but found %s%d", expectedCurrentBlock.Hash().Hex(), expectedCurrentBlock.NumberU64(), currentBlock.Hash().Hex(), currentBlock.NumberU64())
+		t.Fatalf("Expected current block to be %s:%d, but found %s%d", expectedCurrentBlock.Hash().Hex(), expectedCurrentBlock.NumberU64(), currentBlock.Hash().Hex(), currentBlock.Number.Uint64())
 	}
 
 	if err := blockchain.ValidateCanonicalChain(); err != nil {
@@ -434,15 +417,12 @@ func TestInsertLongForkedChain(t *testing.T, create func(db ethdb.Database, chai
 	checkBlockChainState(t, blockchain, gspec, chainDB, create, checkState)
 }
 
-func TestAcceptNonCanonicalBlock(t *testing.T, create func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error)) {
+func TestAcceptNonCanonicalBlock(t *testing.T, create func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error)) {
 	var (
 		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
 		key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
 		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
 		addr2   = crypto.PubkeyToAddress(key2.PublicKey)
-		// We use two separate databases since GenerateChain commits the state roots to its underlying
-		// database.
-		genDB   = rawdb.NewMemoryDatabase()
 		chainDB = rawdb.NewMemoryDatabase()
 	)
 
@@ -452,10 +432,8 @@ func TestAcceptNonCanonicalBlock(t *testing.T, create func(db ethdb.Database, ch
 		Config: &params.ChainConfig{HomesteadBlock: new(big.Int)},
 		Alloc:  GenesisAlloc{addr1: {Balance: genesisBalance}},
 	}
-	genesis := gspec.MustCommit(genDB)
-	_ = gspec.MustCommit(chainDB)
 
-	blockchain, err := create(chainDB, gspec.Config, common.Hash{})
+	blockchain, err := create(chainDB, gspec, common.Hash{})
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -463,9 +441,7 @@ func TestAcceptNonCanonicalBlock(t *testing.T, create func(db ethdb.Database, ch
 
 	numBlocks := 3
 	signer := types.HomesteadSigner{}
-	// Generate chain of blocks using [genDB] instead of [chainDB] to avoid writing
-	// to the BlockChain's database while generating blocks.
-	chain1, _, err := GenerateChain(gspec.Config, genesis, blockchain.engine, genDB, numBlocks, 10, func(i int, gen *BlockGen) {
+	_, chain1, _, err := GenerateChainWithGenesis(gspec, blockchain.engine, numBlocks, 10, func(i int, gen *BlockGen) {
 		// Generate a transaction to create a unique block
 		tx, _ := types.SignTx(types.NewTransaction(gen.TxNonce(addr1), addr2, big.NewInt(10000), params.TxGas, nil, nil), signer, key1)
 		gen.AddTx(tx)
@@ -473,7 +449,7 @@ func TestAcceptNonCanonicalBlock(t *testing.T, create func(db ethdb.Database, ch
 	if err != nil {
 		t.Fatal(err)
 	}
-	chain2, _, err := GenerateChain(gspec.Config, genesis, blockchain.engine, genDB, numBlocks, 10, func(i int, gen *BlockGen) {
+	_, chain2, _, err := GenerateChainWithGenesis(gspec, blockchain.engine, numBlocks, 10, func(i int, gen *BlockGen) {
 		// Generate a transaction with a different amount to create a chain of blocks different from [chain1]
 		tx, _ := types.SignTx(types.NewTransaction(gen.TxNonce(addr1), addr2, big.NewInt(5000), params.TxGas, nil, nil), signer, key1)
 		gen.AddTx(tx)
@@ -493,7 +469,7 @@ func TestAcceptNonCanonicalBlock(t *testing.T, create func(db ethdb.Database, ch
 	currentBlock := blockchain.CurrentBlock()
 	expectedCurrentBlock := chain1[len(chain1)-1]
 	if currentBlock.Hash() != expectedCurrentBlock.Hash() {
-		t.Fatalf("Expected current block to be %s:%d, but found %s%d", expectedCurrentBlock.Hash().Hex(), expectedCurrentBlock.NumberU64(), currentBlock.Hash().Hex(), currentBlock.NumberU64())
+		t.Fatalf("Expected current block to be %s:%d, but found %s%d", expectedCurrentBlock.Hash().Hex(), expectedCurrentBlock.NumberU64(), currentBlock.Hash().Hex(), currentBlock.Number.Uint64())
 	}
 
 	if err := blockchain.ValidateCanonicalChain(); err != nil {
@@ -548,15 +524,12 @@ func TestAcceptNonCanonicalBlock(t *testing.T, create func(db ethdb.Database, ch
 	checkBlockChainState(t, blockchain, gspec, chainDB, create, checkState)
 }
 
-func TestSetPreferenceRewind(t *testing.T, create func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error)) {
+func TestSetPreferenceRewind(t *testing.T, create func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error)) {
 	var (
 		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
 		key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
 		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
 		addr2   = crypto.PubkeyToAddress(key2.PublicKey)
-		// We use two separate databases since GenerateChain commits the state roots to its underlying
-		// database.
-		genDB   = rawdb.NewMemoryDatabase()
 		chainDB = rawdb.NewMemoryDatabase()
 	)
 
@@ -566,10 +539,8 @@ func TestSetPreferenceRewind(t *testing.T, create func(db ethdb.Database, chainC
 		Config: &params.ChainConfig{HomesteadBlock: new(big.Int)},
 		Alloc:  GenesisAlloc{addr1: {Balance: genesisBalance}},
 	}
-	genesis := gspec.MustCommit(genDB)
-	_ = gspec.MustCommit(chainDB)
 
-	blockchain, err := create(chainDB, gspec.Config, common.Hash{})
+	blockchain, err := create(chainDB, gspec, common.Hash{})
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -577,9 +548,7 @@ func TestSetPreferenceRewind(t *testing.T, create func(db ethdb.Database, chainC
 
 	numBlocks := 3
 	signer := types.HomesteadSigner{}
-	// Generate chain of blocks using [genDB] instead of [chainDB] to avoid writing
-	// to the BlockChain's database while generating blocks.
-	chain, _, err := GenerateChain(gspec.Config, genesis, blockchain.engine, genDB, numBlocks, 10, func(i int, gen *BlockGen) {
+	_, chain, _, err := GenerateChainWithGenesis(gspec, blockchain.engine, numBlocks, 10, func(i int, gen *BlockGen) {
 		// Generate a transaction to create a unique block
 		tx, _ := types.SignTx(types.NewTransaction(gen.TxNonce(addr1), addr2, big.NewInt(10000), params.TxGas, nil, nil), signer, key1)
 		gen.AddTx(tx)
@@ -596,7 +565,7 @@ func TestSetPreferenceRewind(t *testing.T, create func(db ethdb.Database, chainC
 	currentBlock := blockchain.CurrentBlock()
 	expectedCurrentBlock := chain[len(chain)-1]
 	if currentBlock.Hash() != expectedCurrentBlock.Hash() {
-		t.Fatalf("Expected current block to be %s:%d, but found %s%d", expectedCurrentBlock.Hash().Hex(), expectedCurrentBlock.NumberU64(), currentBlock.Hash().Hex(), currentBlock.NumberU64())
+		t.Fatalf("Expected current block to be %s:%d, but found %s%d", expectedCurrentBlock.Hash().Hex(), expectedCurrentBlock.NumberU64(), currentBlock.Hash().Hex(), currentBlock.Number.Uint64())
 	}
 
 	if err := blockchain.ValidateCanonicalChain(); err != nil {
@@ -612,7 +581,7 @@ func TestSetPreferenceRewind(t *testing.T, create func(db ethdb.Database, chainC
 	currentBlock = blockchain.CurrentBlock()
 	expectedCurrentBlock = chain[0]
 	if currentBlock.Hash() != expectedCurrentBlock.Hash() {
-		t.Fatalf("Expected current block to be %s:%d, but found %s%d", expectedCurrentBlock.Hash().Hex(), expectedCurrentBlock.NumberU64(), currentBlock.Hash().Hex(), currentBlock.NumberU64())
+		t.Fatalf("Expected current block to be %s:%d, but found %s%d", expectedCurrentBlock.Hash().Hex(), expectedCurrentBlock.NumberU64(), currentBlock.Hash().Hex(), currentBlock.Number.Uint64())
 	}
 
 	lastAcceptedBlock := blockchain.LastConsensusAcceptedBlock()
@@ -685,7 +654,7 @@ func TestSetPreferenceRewind(t *testing.T, create func(db ethdb.Database, chainC
 	checkBlockChainState(t, blockchain, gspec, chainDB, create, checkUpdatedState)
 }
 
-func TestBuildOnVariousStages(t *testing.T, create func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error)) {
+func TestBuildOnVariousStages(t *testing.T, create func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error)) {
 	var (
 		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
 		key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
@@ -693,9 +662,6 @@ func TestBuildOnVariousStages(t *testing.T, create func(db ethdb.Database, chain
 		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
 		addr2   = crypto.PubkeyToAddress(key2.PublicKey)
 		addr3   = crypto.PubkeyToAddress(key3.PublicKey)
-		// We use two separate databases since GenerateChain commits the state roots to its underlying
-		// database.
-		genDB   = rawdb.NewMemoryDatabase()
 		chainDB = rawdb.NewMemoryDatabase()
 	)
 
@@ -708,10 +674,8 @@ func TestBuildOnVariousStages(t *testing.T, create func(db ethdb.Database, chain
 			addr3: {Balance: genesisBalance},
 		},
 	}
-	genesis := gspec.MustCommit(genDB)
-	_ = gspec.MustCommit(chainDB)
 
-	blockchain, err := create(chainDB, gspec.Config, common.Hash{})
+	blockchain, err := create(chainDB, gspec, common.Hash{})
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -719,9 +683,7 @@ func TestBuildOnVariousStages(t *testing.T, create func(db ethdb.Database, chain
 
 	// This call generates a chain of 3 blocks.
 	signer := types.HomesteadSigner{}
-	// Generate chain of blocks using [genDB] instead of [chainDB] to avoid writing
-	// to the BlockChain's database while generating blocks.
-	chain1, _, err := GenerateChain(gspec.Config, genesis, blockchain.engine, genDB, 20, 10, func(i int, gen *BlockGen) {
+	genDB, chain1, _, err := GenerateChainWithGenesis(gspec, blockchain.engine, 20, 10, func(i int, gen *BlockGen) {
 		// Send all funds back and forth between the two accounts
 		if i%2 == 0 {
 			tx, _ := types.SignTx(types.NewTransaction(gen.TxNonce(addr1), addr2, genesisBalance, params.TxGas, nil, nil), signer, key1)
@@ -858,31 +820,21 @@ func TestBuildOnVariousStages(t *testing.T, create func(db ethdb.Database, chain
 	checkBlockChainState(t, blockchain, gspec, chainDB, create, checkState)
 }
 
-func TestEmptyBlocks(t *testing.T, create func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error)) {
-	var (
-		// We use two separate databases since GenerateChain commits the state roots to its underlying
-		// database.
-		genDB   = rawdb.NewMemoryDatabase()
-		chainDB = rawdb.NewMemoryDatabase()
-	)
+func TestEmptyBlocks(t *testing.T, create func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error)) {
+	chainDB := rawdb.NewMemoryDatabase()
 
-	// Ensure that key1 has some funds in the genesis block.
 	gspec := &Genesis{
 		Config: &params.ChainConfig{HomesteadBlock: new(big.Int)},
 		Alloc:  GenesisAlloc{},
 	}
-	genesis := gspec.MustCommit(genDB)
-	_ = gspec.MustCommit(chainDB)
 
-	blockchain, err := create(chainDB, gspec.Config, common.Hash{})
+	blockchain, err := create(chainDB, gspec, common.Hash{})
 	if err != nil {
 		t.Fatal(err)
 	}
 	defer blockchain.Stop()
 
-	// Generate chain of blocks using [genDB] instead of [chainDB] to avoid writing
-	// to the BlockChain's database while generating blocks.
-	chain, _, err := GenerateChain(gspec.Config, genesis, blockchain.engine, genDB, 3, 10, func(i int, gen *BlockGen) {})
+	_, chain, _, err := GenerateChainWithGenesis(gspec, blockchain.engine, 3, 10, func(i int, gen *BlockGen) {})
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -906,7 +858,7 @@ func TestEmptyBlocks(t *testing.T, create func(db ethdb.Database, chainConfig *p
 	checkBlockChainState(t, blockchain, gspec, chainDB, create, checkState)
 }
 
-func TestReorgReInsert(t *testing.T, create func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error)) {
+func TestReorgReInsert(t *testing.T, create func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error)) {
 	var (
 		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
 		key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
@@ -924,10 +876,9 @@ func TestReorgReInsert(t *testing.T, create func(db ethdb.Database, chainConfig
 		Config: &params.ChainConfig{HomesteadBlock: new(big.Int)},
 		Alloc:  GenesisAlloc{addr1: {Balance: genesisBalance}},
 	}
-	genesis := gspec.MustCommit(genDB)
-	_ = gspec.MustCommit(chainDB)
+	genesis := gspec.ToBlock()
 
-	blockchain, err := create(chainDB, gspec.Config, common.Hash{})
+	blockchain, err := create(chainDB, gspec, common.Hash{})
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -1003,26 +954,25 @@ func TestReorgReInsert(t *testing.T, create func(db ethdb.Database, chainConfig
 	checkBlockChainState(t, blockchain, gspec, chainDB, create, checkState)
 }
 
-//nolint:goimports
 // Insert two different chains that result in the identical state root.
 // Once we accept one of the chains, we insert and accept A3 on top of the shared
 // state root
-//   G   (genesis)
-//  / \
-// A1  B1
-// |   |
-// A2  B2 (A2 and B2 represent two different paths to the identical state trie)
-// |
-// A3
-func TestAcceptBlockIdenticalStateRoot(t *testing.T, create func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error)) {
+//
+//	  G   (genesis)
+//	 / \
+//	A1  B1
+//	|   |
+//	A2  B2 (A2 and B2 represent two different paths to the identical state trie)
+//	|
+//	A3
+//
+//nolint:goimports
+func TestAcceptBlockIdenticalStateRoot(t *testing.T, create func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error)) {
 	var (
 		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
 		key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
 		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
 		addr2   = crypto.PubkeyToAddress(key2.PublicKey)
-		// We use two separate databases since GenerateChain commits the state roots to its underlying
-		// database.
-		genDB   = rawdb.NewMemoryDatabase()
 		chainDB = rawdb.NewMemoryDatabase()
 	)
 
@@ -1032,19 +982,15 @@ func TestAcceptBlockIdenticalStateRoot(t *testing.T, create func(db ethdb.Databa
 		Config: &params.ChainConfig{HomesteadBlock: new(big.Int)},
 		Alloc:  GenesisAlloc{addr1: {Balance: genesisBalance}},
 	}
-	genesis := gspec.MustCommit(genDB)
-	_ = gspec.MustCommit(chainDB)
 
-	blockchain, err := create(chainDB, gspec.Config, common.Hash{})
+	blockchain, err := create(chainDB, gspec, common.Hash{})
 	if err != nil {
 		t.Fatal(err)
 	}
 	defer blockchain.Stop()
 
 	signer := types.HomesteadSigner{}
-	// Generate chain of blocks using [genDB] instead of [chainDB] to avoid writing
-	// to the BlockChain's database while generating blocks.
-	chain1, _, err := GenerateChain(gspec.Config, genesis, blockchain.engine, genDB, 3, 10, func(i int, gen *BlockGen) {
+	_, chain1, _, err := GenerateChainWithGenesis(gspec, blockchain.engine, 3, 10, func(i int, gen *BlockGen) {
 		if i < 2 {
 			// Send half the funds from addr1 to addr2 in one transaction per each of the two blocks in [chain1]
 			tx, _ := types.SignTx(types.NewTransaction(gen.TxNonce(addr1), addr2, big.NewInt(500000000), params.TxGas, nil, nil), signer, key1)
@@ -1055,7 +1001,7 @@ func TestAcceptBlockIdenticalStateRoot(t *testing.T, create func(db ethdb.Databa
 	if err != nil {
 		t.Fatal(err)
 	}
-	chain2, _, err := GenerateChain(gspec.Config, genesis, blockchain.engine, genDB, 2, 10, func(i int, gen *BlockGen) {
+	_, chain2, _, err := GenerateChainWithGenesis(gspec, blockchain.engine, 2, 10, func(i int, gen *BlockGen) {
 		// Send 1/4 of the funds from addr1 to addr2 in tx1 and 3/4 of the funds in tx2. This will produce the identical state
 		// root in the second block of [chain2] as is present in the second block of [chain1].
 		if i == 0 {
@@ -1088,7 +1034,7 @@ func TestAcceptBlockIdenticalStateRoot(t *testing.T, create func(db ethdb.Databa
 	currentBlock := blockchain.CurrentBlock()
 	expectedCurrentBlock := chain1[1]
 	if currentBlock.Hash() != expectedCurrentBlock.Hash() {
-		t.Fatalf("Expected current block to be %s:%d, but found %s%d", expectedCurrentBlock.Hash().Hex(), expectedCurrentBlock.NumberU64(), currentBlock.Hash().Hex(), currentBlock.NumberU64())
+		t.Fatalf("Expected current block to be %s:%d, but found %s%d", expectedCurrentBlock.Hash().Hex(), expectedCurrentBlock.NumberU64(), currentBlock.Hash().Hex(), currentBlock.Number.Uint64())
 	}
 
 	// Accept the first block in [chain1] and reject all of [chain2]
@@ -1150,27 +1096,26 @@ func TestAcceptBlockIdenticalStateRoot(t *testing.T, create func(db ethdb.Databa
 	checkBlockChainState(t, blockchain, gspec, chainDB, create, checkState)
 }
 
-//nolint:goimports
 // Insert two different chains that result in the identical state root.
 // Once we insert both of the chains, we restart, insert both the chains again,
 // and then we accept one of the chains and accept A3 on top of the shared state
 // root
-//   G   (genesis)
-//  / \
-// A1  B1
-// |   |
-// A2  B2 (A2 and B2 represent two different paths to the identical state trie)
-// |
-// A3
-func TestReprocessAcceptBlockIdenticalStateRoot(t *testing.T, create func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error)) {
+//
+//	  G   (genesis)
+//	 / \
+//	A1  B1
+//	|   |
+//	A2  B2 (A2 and B2 represent two different paths to the identical state trie)
+//	|
+//	A3
+//
+//nolint:goimports
+func TestReprocessAcceptBlockIdenticalStateRoot(t *testing.T, create func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error)) {
 	var (
 		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
 		key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
 		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
 		addr2   = crypto.PubkeyToAddress(key2.PublicKey)
-		// We use two separate databases since GenerateChain commits the state roots to its underlying
-		// database.
-		genDB   = rawdb.NewMemoryDatabase()
 		chainDB = rawdb.NewMemoryDatabase()
 	)
 
@@ -1180,18 +1125,14 @@ func TestReprocessAcceptBlockIdenticalStateRoot(t *testing.T, create func(db eth
 		Config: &params.ChainConfig{HomesteadBlock: new(big.Int)},
 		Alloc:  GenesisAlloc{addr1: {Balance: genesisBalance}},
 	}
-	genesis := gspec.MustCommit(genDB)
-	_ = gspec.MustCommit(chainDB)
 
-	blockchain, err := create(chainDB, gspec.Config, common.Hash{})
+	blockchain, err := create(chainDB, gspec, common.Hash{})
 	if err != nil {
 		t.Fatal(err)
 	}
 
 	signer := types.HomesteadSigner{}
-	// Generate chain of blocks using [genDB] instead of [chainDB] to avoid writing
-	// to the BlockChain's database while generating blocks.
-	chain1, _, err := GenerateChain(gspec.Config, genesis, blockchain.engine, genDB, 3, 10, func(i int, gen *BlockGen) {
+	_, chain1, _, err := GenerateChainWithGenesis(gspec, blockchain.engine, 3, 10, func(i int, gen *BlockGen) {
 		if i < 2 {
 			// Send half the funds from addr1 to addr2 in one transaction per each of the two blocks in [chain1]
 			tx, _ := types.SignTx(types.NewTransaction(gen.TxNonce(addr1), addr2, big.NewInt(500000000), params.TxGas, nil, nil), signer, key1)
@@ -1202,7 +1143,7 @@ func TestReprocessAcceptBlockIdenticalStateRoot(t *testing.T, create func(db eth
 	if err != nil {
 		t.Fatal(err)
 	}
-	chain2, _, err := GenerateChain(gspec.Config, genesis, blockchain.engine, genDB, 2, 10, func(i int, gen *BlockGen) {
+	_, chain2, _, err := GenerateChainWithGenesis(gspec, blockchain.engine, 2, 10, func(i int, gen *BlockGen) {
 		// Send 1/4 of the funds from addr1 to addr2 in tx1 and 3/4 of the funds in tx2. This will produce the identical state
 		// root in the second block of [chain2] as is present in the second block of [chain1].
 		if i == 0 {
@@ -1235,12 +1176,13 @@ func TestReprocessAcceptBlockIdenticalStateRoot(t *testing.T, create func(db eth
 	currentBlock := blockchain.CurrentBlock()
 	expectedCurrentBlock := chain1[1]
 	if currentBlock.Hash() != expectedCurrentBlock.Hash() {
-		t.Fatalf("Expected current block to be %s:%d, but found %s%d", expectedCurrentBlock.Hash().Hex(), expectedCurrentBlock.NumberU64(), currentBlock.Hash().Hex(), currentBlock.NumberU64())
+		t.Fatalf("Expected current block to be %s:%d, but found %s%d", expectedCurrentBlock.Hash().Hex(), expectedCurrentBlock.NumberU64(), currentBlock.Hash().Hex(), currentBlock.Number.Uint64())
 	}
 
 	blockchain.Stop()
 
-	blockchain, err = create(chainDB, gspec.Config, common.Hash{})
+	chainDB = rawdb.NewMemoryDatabase()
+	blockchain, err = create(chainDB, gspec, common.Hash{})
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -1259,7 +1201,7 @@ func TestReprocessAcceptBlockIdenticalStateRoot(t *testing.T, create func(db eth
 	currentBlock = blockchain.CurrentBlock()
 	expectedCurrentBlock = chain1[1]
 	if currentBlock.Hash() != expectedCurrentBlock.Hash() {
-		t.Fatalf("Expected current block to be %s:%d, but found %s%d", expectedCurrentBlock.Hash().Hex(), expectedCurrentBlock.NumberU64(), currentBlock.Hash().Hex(), currentBlock.NumberU64())
+		t.Fatalf("Expected current block to be %s:%d, but found %s%d", expectedCurrentBlock.Hash().Hex(), expectedCurrentBlock.NumberU64(), currentBlock.Hash().Hex(), currentBlock.Number.Uint64())
 	}
 
 	// Accept the first block in [chain1] and reject all of [chain2]
@@ -1321,15 +1263,12 @@ func TestReprocessAcceptBlockIdenticalStateRoot(t *testing.T, create func(db eth
 	checkBlockChainState(t, blockchain, gspec, chainDB, create, checkState)
 }
 
-func TestGenerateChainInvalidBlockFee(t *testing.T, create func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error)) {
+func TestGenerateChainInvalidBlockFee(t *testing.T, create func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error)) {
 	var (
 		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
 		key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
 		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
 		addr2   = crypto.PubkeyToAddress(key2.PublicKey)
-		// We use two separate databases since GenerateChain commits the state roots to its underlying
-		// database.
-		genDB   = rawdb.NewMemoryDatabase()
 		chainDB = rawdb.NewMemoryDatabase()
 	)
 
@@ -1339,10 +1278,8 @@ func TestGenerateChainInvalidBlockFee(t *testing.T, create func(db ethdb.Databas
 		Config: params.TestChainConfig,
 		Alloc:  GenesisAlloc{addr1: {Balance: genesisBalance}},
 	}
-	genesis := gspec.MustCommit(genDB)
-	_ = gspec.MustCommit(chainDB)
 
-	blockchain, err := create(chainDB, gspec.Config, common.Hash{})
+	blockchain, err := create(chainDB, gspec, common.Hash{})
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -1350,9 +1287,7 @@ func TestGenerateChainInvalidBlockFee(t *testing.T, create func(db ethdb.Databas
 
 	// This call generates a chain of 3 blocks.
 	signer := types.LatestSigner(params.TestChainConfig)
-	// Generate chain of blocks using [genDB] instead of [chainDB] to avoid writing
-	// to the BlockChain's database while generating blocks.
-	_, _, err = GenerateChain(gspec.Config, genesis, blockchain.engine, genDB, 3, 0, func(i int, gen *BlockGen) {
+	_, _, _, err = GenerateChainWithGenesis(gspec, blockchain.engine, 3, 0, func(i int, gen *BlockGen) {
 		tx := types.NewTx(&types.DynamicFeeTx{
 			ChainID:   params.TestChainConfig.ChainID,
 			Nonce:     gen.TxNonce(addr1),
@@ -1377,15 +1312,12 @@ func TestGenerateChainInvalidBlockFee(t *testing.T, create func(db ethdb.Databas
 	}
 }
 
-func TestInsertChainInvalidBlockFee(t *testing.T, create func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error)) {
+func TestInsertChainInvalidBlockFee(t *testing.T, create func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error)) {
 	var (
 		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
 		key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
 		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
 		addr2   = crypto.PubkeyToAddress(key2.PublicKey)
-		// We use two separate databases since GenerateChain commits the state roots to its underlying
-		// database.
-		genDB   = rawdb.NewMemoryDatabase()
 		chainDB = rawdb.NewMemoryDatabase()
 	)
 
@@ -1395,10 +1327,8 @@ func TestInsertChainInvalidBlockFee(t *testing.T, create func(db ethdb.Database,
 		Config: params.TestChainConfig,
 		Alloc:  GenesisAlloc{addr1: {Balance: genesisBalance}},
 	}
-	genesis := gspec.MustCommit(genDB)
-	_ = gspec.MustCommit(chainDB)
 
-	blockchain, err := create(chainDB, gspec.Config, common.Hash{})
+	blockchain, err := create(chainDB, gspec, common.Hash{})
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -1406,9 +1336,8 @@ func TestInsertChainInvalidBlockFee(t *testing.T, create func(db ethdb.Database,
 
 	// This call generates a chain of 3 blocks.
 	signer := types.LatestSigner(params.TestChainConfig)
-	// Generate chain of blocks using [genDB] instead of [chainDB] to avoid writing
-	// to the BlockChain's database while generating blocks.
-	chain, _, err := GenerateChain(params.TestChainConfig, genesis, dummy.NewETHFaker(), genDB, 3, 0, func(i int, gen *BlockGen) {
+	eng := dummy.NewFakerWithMode(dummy.Mode{ModeSkipBlockFee: true, ModeSkipCoinbase: true})
+	_, chain, _, err := GenerateChainWithGenesis(gspec, eng, 3, 0, func(i int, gen *BlockGen) {
 		tx := types.NewTx(&types.DynamicFeeTx{
 			ChainID:   params.TestChainConfig.ChainID,
 			Nonce:     gen.TxNonce(addr1),
@@ -1437,7 +1366,7 @@ func TestInsertChainInvalidBlockFee(t *testing.T, create func(db ethdb.Database,
 	}
 }
 
-func TestInsertChainValidBlockFee(t *testing.T, create func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error)) {
+func TestInsertChainValidBlockFee(t *testing.T, create func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error)) {
 	var (
 		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
 		key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
@@ -1445,7 +1374,6 @@ func TestInsertChainValidBlockFee(t *testing.T, create func(db ethdb.Database, c
 		addr2   = crypto.PubkeyToAddress(key2.PublicKey)
 		// We use two separate databases since GenerateChain commits the state roots to its underlying
 		// database.
-		genDB   = rawdb.NewMemoryDatabase()
 		chainDB = rawdb.NewMemoryDatabase()
 	)
 
@@ -1455,10 +1383,8 @@ func TestInsertChainValidBlockFee(t *testing.T, create func(db ethdb.Database, c
 		Config: params.TestChainConfig,
 		Alloc:  GenesisAlloc{addr1: {Balance: genesisBalance}},
 	}
-	genesis := gspec.MustCommit(genDB)
-	_ = gspec.MustCommit(chainDB)
 
-	blockchain, err := create(chainDB, gspec.Config, common.Hash{})
+	blockchain, err := create(chainDB, gspec, common.Hash{})
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -1466,11 +1392,9 @@ func TestInsertChainValidBlockFee(t *testing.T, create func(db ethdb.Database, c
 
 	// This call generates a chain of 3 blocks.
 	signer := types.LatestSigner(params.TestChainConfig)
-	// Generate chain of blocks using [genDB] instead of [chainDB] to avoid writing
-	// to the BlockChain's database while generating blocks.
 	tip := big.NewInt(50000 * params.GWei)
 	transfer := big.NewInt(10000)
-	chain, _, err := GenerateChain(gspec.Config, genesis, blockchain.engine, genDB, 3, 0, func(i int, gen *BlockGen) {
+	_, chain, _, err := GenerateChainWithGenesis(gspec, blockchain.engine, 3, 0, func(i int, gen *BlockGen) {
 		feeCap := new(big.Int).Add(gen.BaseFee(), tip)
 		tx := types.NewTx(&types.DynamicFeeTx{
 			ChainID:   params.TestChainConfig.ChainID,
@@ -1534,15 +1458,12 @@ func TestInsertChainValidBlockFee(t *testing.T, create func(db ethdb.Database, c
 }
 
 // TestStatefulPrecompiles provides a testing framework to ensure that processing transactions interacting with the stateful precompiles work as expected.
-func TestStatefulPrecompiles(t *testing.T, create func(db ethdb.Database, chainConfig *params.ChainConfig, lastAcceptedHash common.Hash) (*BlockChain, error)) {
+func TestStatefulPrecompiles(t *testing.T, create func(db ethdb.Database, gspec *Genesis, lastAcceptedHash common.Hash) (*BlockChain, error)) {
 	var (
 		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
 		key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
 		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
 		addr2   = crypto.PubkeyToAddress(key2.PublicKey)
-		// We use two separate databases since GenerateChain commits the state roots to its underlying
-		// database.
-		genDB   = rawdb.NewMemoryDatabase()
 		chainDB = rawdb.NewMemoryDatabase()
 	)
 
@@ -1551,17 +1472,15 @@ func TestStatefulPrecompiles(t *testing.T, create func(db ethdb.Database, chainC
 	config := *params.TestChainConfig
 	// Set all of the required config parameters
 	config.GenesisPrecompiles = params.Precompiles{
-		deployerallowlist.ConfigKey: deployerallowlist.NewConfig(big.NewInt(0), []common.Address{addr1}, nil),
-		feemanager.ConfigKey:        feemanager.NewConfig(big.NewInt(0), []common.Address{addr1}, nil, nil),
+		deployerallowlist.ConfigKey: deployerallowlist.NewConfig(utils.NewUint64(0), []common.Address{addr1}, nil),
+		feemanager.ConfigKey:        feemanager.NewConfig(utils.NewUint64(0), []common.Address{addr1}, nil, nil),
 	}
 	gspec := &Genesis{
 		Config: &config,
 		Alloc:  GenesisAlloc{addr1: {Balance: genesisBalance}},
 	}
-	genesis := gspec.MustCommit(genDB)
-	_ = gspec.MustCommit(chainDB)
 
-	blockchain, err := create(chainDB, gspec.Config, common.Hash{})
+	blockchain, err := create(chainDB, gspec, common.Hash{})
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -1685,7 +1604,7 @@ func TestStatefulPrecompiles(t *testing.T, create func(db ethdb.Database, chainC
 
 	// Generate chain of blocks using [genDB] instead of [chainDB] to avoid writing
 	// to the BlockChain's database while generating blocks.
-	chain, _, err := GenerateChain(gspec.Config, genesis, blockchain.engine, genDB, 1, 0, func(i int, gen *BlockGen) {
+	_, chain, _, err := GenerateChainWithGenesis(gspec, blockchain.engine, 1, 0, func(i int, gen *BlockGen) {
 		for _, test := range tests {
 			test.addTx(gen)
 		}
diff --git a/core/tx_journal.go b/core/txpool/journal.go
similarity index 92%
rename from core/tx_journal.go
rename to core/txpool/journal.go
index 84ca3a034c..11ec2ccd36 100644
--- a/core/tx_journal.go
+++ b/core/txpool/journal.go
@@ -24,7 +24,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package core
+package txpool
 
 import (
 	"errors"
@@ -51,23 +51,23 @@ type devNull struct{}
 func (*devNull) Write(p []byte) (n int, err error) { return len(p), nil }
 func (*devNull) Close() error                      { return nil }
 
-// txJournal is a rotating log of transactions with the aim of storing locally
+// journal is a rotating log of transactions with the aim of storing locally
 // created transactions to allow non-executed ones to survive node restarts.
-type txJournal struct {
+type journal struct {
 	path   string         // Filesystem path to store the transactions at
 	writer io.WriteCloser // Output stream to write new transactions into
 }
 
 // newTxJournal creates a new transaction journal to
-func newTxJournal(path string) *txJournal {
-	return &txJournal{
+func newTxJournal(path string) *journal {
+	return &journal{
 		path: path,
 	}
 }
 
 // load parses a transaction journal dump from disk, loading its contents into
 // the specified pool.
-func (journal *txJournal) load(add func([]*types.Transaction) []error) error {
+func (journal *journal) load(add func([]*types.Transaction) []error) error {
 	// Open the journal for loading any past transactions
 	input, err := os.Open(journal.path)
 	if errors.Is(err, fs.ErrNotExist) {
@@ -128,7 +128,7 @@ func (journal *txJournal) load(add func([]*types.Transaction) []error) error {
 }
 
 // insert adds the specified transaction to the local disk journal.
-func (journal *txJournal) insert(tx *types.Transaction) error {
+func (journal *journal) insert(tx *types.Transaction) error {
 	if journal.writer == nil {
 		return errNoActiveJournal
 	}
@@ -140,7 +140,7 @@ func (journal *txJournal) insert(tx *types.Transaction) error {
 
 // rotate regenerates the transaction journal based on the current contents of
 // the transaction pool.
-func (journal *txJournal) rotate(all map[common.Address]types.Transactions) error {
+func (journal *journal) rotate(all map[common.Address]types.Transactions) error {
 	// Close the current journal (if any is open)
 	if journal.writer != nil {
 		if err := journal.writer.Close(); err != nil {
@@ -180,7 +180,7 @@ func (journal *txJournal) rotate(all map[common.Address]types.Transactions) erro
 }
 
 // close flushes the transaction journal contents to disk and closes the file.
-func (journal *txJournal) close() error {
+func (journal *journal) close() error {
 	var err error
 
 	if journal.writer != nil {
diff --git a/core/tx_list.go b/core/txpool/list.go
similarity index 82%
rename from core/tx_list.go
rename to core/txpool/list.go
index 3844a7a36c..758b7f0fb0 100644
--- a/core/tx_list.go
+++ b/core/txpool/list.go
@@ -24,7 +24,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package core
+package txpool
 
 import (
 	"container/heap"
@@ -55,34 +55,35 @@ func (h *nonceHeap) Pop() interface{} {
 	old := *h
 	n := len(old)
 	x := old[n-1]
+	old[n-1] = 0
 	*h = old[0 : n-1]
 	return x
 }
 
-// txSortedMap is a nonce->transaction hash map with a heap based index to allow
+// sortedMap is a nonce->transaction hash map with a heap based index to allow
 // iterating over the contents in a nonce-incrementing way.
-type txSortedMap struct {
+type sortedMap struct {
 	items map[uint64]*types.Transaction // Hash map storing the transaction data
 	index *nonceHeap                    // Heap of nonces of all the stored transactions (non-strict mode)
 	cache types.Transactions            // Cache of the transactions already sorted
 }
 
-// newTxSortedMap creates a new nonce-sorted transaction map.
-func newTxSortedMap() *txSortedMap {
-	return &txSortedMap{
+// newSortedMap creates a new nonce-sorted transaction map.
+func newSortedMap() *sortedMap {
+	return &sortedMap{
 		items: make(map[uint64]*types.Transaction),
 		index: new(nonceHeap),
 	}
 }
 
 // Get retrieves the current transactions associated with the given nonce.
-func (m *txSortedMap) Get(nonce uint64) *types.Transaction {
+func (m *sortedMap) Get(nonce uint64) *types.Transaction {
 	return m.items[nonce]
 }
 
 // Put inserts a new transaction into the map, also updating the map's nonce
 // index. If a transaction already exists with the same nonce, it's overwritten.
-func (m *txSortedMap) Put(tx *types.Transaction) {
+func (m *sortedMap) Put(tx *types.Transaction) {
 	nonce := tx.Nonce()
 	if m.items[nonce] == nil {
 		heap.Push(m.index, nonce)
@@ -93,7 +94,7 @@ func (m *txSortedMap) Put(tx *types.Transaction) {
 // Forward removes all transactions from the map with a nonce lower than the
 // provided threshold. Every removed transaction is returned for any post-removal
 // maintenance.
-func (m *txSortedMap) Forward(threshold uint64) types.Transactions {
+func (m *sortedMap) Forward(threshold uint64) types.Transactions {
 	var removed types.Transactions
 
 	// Pop off heap items until the threshold is reached
@@ -114,7 +115,7 @@ func (m *txSortedMap) Forward(threshold uint64) types.Transactions {
 // Filter, as opposed to 'filter', re-initialises the heap after the operation is done.
 // If you want to do several consecutive filterings, it's therefore better to first
 // do a .filter(func1) followed by .Filter(func2) or reheap()
-func (m *txSortedMap) Filter(filter func(*types.Transaction) bool) types.Transactions {
+func (m *sortedMap) Filter(filter func(*types.Transaction) bool) types.Transactions {
 	removed := m.filter(filter)
 	// If transactions were removed, the heap and cache are ruined
 	if len(removed) > 0 {
@@ -123,7 +124,7 @@ func (m *txSortedMap) Filter(filter func(*types.Transaction) bool) types.Transac
 	return removed
 }
 
-func (m *txSortedMap) reheap() {
+func (m *sortedMap) reheap() {
 	*m.index = make([]uint64, 0, len(m.items))
 	for nonce := range m.items {
 		*m.index = append(*m.index, nonce)
@@ -134,7 +135,7 @@ func (m *txSortedMap) reheap() {
 
 // filter is identical to Filter, but **does not** regenerate the heap. This method
 // should only be used if followed immediately by a call to Filter or reheap()
-func (m *txSortedMap) filter(filter func(*types.Transaction) bool) types.Transactions {
+func (m *sortedMap) filter(filter func(*types.Transaction) bool) types.Transactions {
 	var removed types.Transactions
 
 	// Collect all the transactions to filter out
@@ -152,7 +153,7 @@ func (m *txSortedMap) filter(filter func(*types.Transaction) bool) types.Transac
 
 // Cap places a hard limit on the number of items, returning all transactions
 // exceeding that limit.
-func (m *txSortedMap) Cap(threshold int) types.Transactions {
+func (m *sortedMap) Cap(threshold int) types.Transactions {
 	// Short circuit if the number of items is under the limit
 	if len(m.items) <= threshold {
 		return nil
@@ -177,7 +178,7 @@ func (m *txSortedMap) Cap(threshold int) types.Transactions {
 
 // Remove deletes a transaction from the maintained map, returning whether the
 // transaction was found.
-func (m *txSortedMap) Remove(nonce uint64) bool {
+func (m *sortedMap) Remove(nonce uint64) bool {
 	// Short circuit if no transaction is present
 	_, ok := m.items[nonce]
 	if !ok {
@@ -203,7 +204,7 @@ func (m *txSortedMap) Remove(nonce uint64) bool {
 // Note, all transactions with nonces lower than start will also be returned to
 // prevent getting into and invalid state. This is not something that should ever
 // happen but better to be self correcting than failing!
-func (m *txSortedMap) Ready(start uint64) types.Transactions {
+func (m *sortedMap) Ready(start uint64) types.Transactions {
 	// Short circuit if no transactions are available
 	if m.index.Len() == 0 || (*m.index)[0] > start {
 		return nil
@@ -221,11 +222,11 @@ func (m *txSortedMap) Ready(start uint64) types.Transactions {
 }
 
 // Len returns the length of the transaction map.
-func (m *txSortedMap) Len() int {
+func (m *sortedMap) Len() int {
 	return len(m.items)
 }
 
-func (m *txSortedMap) flatten() types.Transactions {
+func (m *sortedMap) flatten() types.Transactions {
 	// If the sorting was not cached yet, create and cache it
 	if m.cache == nil {
 		m.cache = make(types.Transactions, 0, len(m.items))
@@ -240,7 +241,7 @@ func (m *txSortedMap) flatten() types.Transactions {
 // Flatten creates a nonce-sorted slice of transactions based on the loosely
 // sorted internal representation. The result of the sorting is cached in case
 // it's requested again before any modifications are made to the contents.
-func (m *txSortedMap) Flatten() types.Transactions {
+func (m *sortedMap) Flatten() types.Transactions {
 	// Copy the cache to prevent accidental modifications
 	cache := m.flatten()
 	txs := make(types.Transactions, len(cache))
@@ -250,36 +251,38 @@ func (m *txSortedMap) Flatten() types.Transactions {
 
 // LastElement returns the last element of a flattened list, thus, the
 // transaction with the highest nonce
-func (m *txSortedMap) LastElement() *types.Transaction {
+func (m *sortedMap) LastElement() *types.Transaction {
 	cache := m.flatten()
 	return cache[len(cache)-1]
 }
 
-// txList is a "list" of transactions belonging to an account, sorted by account
+// list is a "list" of transactions belonging to an account, sorted by account
 // nonce. The same type can be used both for storing contiguous transactions for
 // the executable/pending queue; and for storing gapped transactions for the non-
 // executable/future queue, with minor behavioral changes.
-type txList struct {
-	strict bool         // Whether nonces are strictly continuous or not
-	txs    *txSortedMap // Heap indexed sorted hash map of the transactions
+type list struct {
+	strict bool       // Whether nonces are strictly continuous or not
+	txs    *sortedMap // Heap indexed sorted hash map of the transactions
 
-	costcap *big.Int // Price of the highest costing transaction (reset only if exceeds balance)
-	gascap  uint64   // Gas limit of the highest spending transaction (reset only if exceeds block limit)
+	costcap   *big.Int // Price of the highest costing transaction (reset only if exceeds balance)
+	gascap    uint64   // Gas limit of the highest spending transaction (reset only if exceeds block limit)
+	totalcost *big.Int // Total cost of all transactions in the list
 }
 
-// newTxList create a new transaction list for maintaining nonce-indexable fast,
+// newList create a new transaction list for maintaining nonce-indexable fast,
 // gapped, sortable transaction lists.
-func newTxList(strict bool) *txList {
-	return &txList{
-		strict:  strict,
-		txs:     newTxSortedMap(),
-		costcap: new(big.Int),
+func newList(strict bool) *list {
+	return &list{
+		strict:    strict,
+		txs:       newSortedMap(),
+		costcap:   new(big.Int),
+		totalcost: new(big.Int),
 	}
 }
 
 // Overlaps returns whether the transaction specified has the same nonce as one
 // already contained within the list.
-func (l *txList) Overlaps(tx *types.Transaction) bool {
+func (l *list) Overlaps(tx *types.Transaction) bool {
 	return l.txs.Get(tx.Nonce()) != nil
 }
 
@@ -288,7 +291,7 @@ func (l *txList) Overlaps(tx *types.Transaction) bool {
 //
 // If the new transaction is accepted into the list, the lists' cost and gas
 // thresholds are also potentially updated.
-func (l *txList) Add(tx *types.Transaction, priceBump uint64) (bool, *types.Transaction) {
+func (l *list) Add(tx *types.Transaction, priceBump uint64) (bool, *types.Transaction) {
 	// If there's an older better transaction, abort
 	old := l.txs.Get(tx.Nonce())
 	if old != nil {
@@ -311,7 +314,11 @@ func (l *txList) Add(tx *types.Transaction, priceBump uint64) (bool, *types.Tran
 		if tx.GasFeeCapIntCmp(thresholdFeeCap) < 0 || tx.GasTipCapIntCmp(thresholdTip) < 0 {
 			return false, nil
 		}
+		// Old is being replaced, subtract old cost
+		l.subTotalCost([]*types.Transaction{old})
 	}
+	// Add new tx cost to totalcost
+	l.totalcost.Add(l.totalcost, tx.Cost())
 	// Otherwise overwrite the old transaction with the current one
 	l.txs.Put(tx)
 	if cost := tx.Cost(); l.costcap.Cmp(cost) < 0 {
@@ -326,8 +333,10 @@ func (l *txList) Add(tx *types.Transaction, priceBump uint64) (bool, *types.Tran
 // Forward removes all transactions from the list with a nonce lower than the
 // provided threshold. Every removed transaction is returned for any post-removal
 // maintenance.
-func (l *txList) Forward(threshold uint64) types.Transactions {
-	return l.txs.Forward(threshold)
+func (l *list) Forward(threshold uint64) types.Transactions {
+	txs := l.txs.Forward(threshold)
+	l.subTotalCost(txs)
+	return txs
 }
 
 // Filter removes all transactions from the list with a cost or gas limit higher
@@ -339,7 +348,7 @@ func (l *txList) Forward(threshold uint64) types.Transactions {
 // a point in calculating all the costs or if the balance covers all. If the threshold
 // is lower than the costgas cap, the caps will be reset to a new high after removing
 // the newly invalidated transactions.
-func (l *txList) Filter(costLimit *big.Int, gasLimit uint64) (types.Transactions, types.Transactions) {
+func (l *list) Filter(costLimit *big.Int, gasLimit uint64) (types.Transactions, types.Transactions) {
 	// If all transactions are below the threshold, short circuit
 	if l.costcap.Cmp(costLimit) <= 0 && l.gascap <= gasLimit {
 		return nil, nil
@@ -366,28 +375,36 @@ func (l *txList) Filter(costLimit *big.Int, gasLimit uint64) (types.Transactions
 		}
 		invalids = l.txs.filter(func(tx *types.Transaction) bool { return tx.Nonce() > lowest })
 	}
+	// Reset total cost
+	l.subTotalCost(removed)
+	l.subTotalCost(invalids)
 	l.txs.reheap()
 	return removed, invalids
 }
 
 // Cap places a hard limit on the number of items, returning all transactions
 // exceeding that limit.
-func (l *txList) Cap(threshold int) types.Transactions {
-	return l.txs.Cap(threshold)
+func (l *list) Cap(threshold int) types.Transactions {
+	txs := l.txs.Cap(threshold)
+	l.subTotalCost(txs)
+	return txs
 }
 
 // Remove deletes a transaction from the maintained list, returning whether the
 // transaction was found, and also returning any transaction invalidated due to
 // the deletion (strict mode only).
-func (l *txList) Remove(tx *types.Transaction) (bool, types.Transactions) {
+func (l *list) Remove(tx *types.Transaction) (bool, types.Transactions) {
 	// Remove the transaction from the set
 	nonce := tx.Nonce()
 	if removed := l.txs.Remove(nonce); !removed {
 		return false, nil
 	}
+	l.subTotalCost([]*types.Transaction{tx})
 	// In strict mode, filter out non-executable transactions
 	if l.strict {
-		return true, l.txs.Filter(func(tx *types.Transaction) bool { return tx.Nonce() > nonce })
+		txs := l.txs.Filter(func(tx *types.Transaction) bool { return tx.Nonce() > nonce })
+		l.subTotalCost(txs)
+		return true, txs
 	}
 	return true, nil
 }
@@ -399,33 +416,43 @@ func (l *txList) Remove(tx *types.Transaction) (bool, types.Transactions) {
 // Note, all transactions with nonces lower than start will also be returned to
 // prevent getting into and invalid state. This is not something that should ever
 // happen but better to be self correcting than failing!
-func (l *txList) Ready(start uint64) types.Transactions {
-	return l.txs.Ready(start)
+func (l *list) Ready(start uint64) types.Transactions {
+	txs := l.txs.Ready(start)
+	l.subTotalCost(txs)
+	return txs
 }
 
 // Len returns the length of the transaction list.
-func (l *txList) Len() int {
+func (l *list) Len() int {
 	return l.txs.Len()
 }
 
 // Empty returns whether the list of transactions is empty or not.
-func (l *txList) Empty() bool {
+func (l *list) Empty() bool {
 	return l.Len() == 0
 }
 
 // Flatten creates a nonce-sorted slice of transactions based on the loosely
 // sorted internal representation. The result of the sorting is cached in case
 // it's requested again before any modifications are made to the contents.
-func (l *txList) Flatten() types.Transactions {
+func (l *list) Flatten() types.Transactions {
 	return l.txs.Flatten()
 }
 
 // LastElement returns the last element of a flattened list, thus, the
 // transaction with the highest nonce
-func (l *txList) LastElement() *types.Transaction {
+func (l *list) LastElement() *types.Transaction {
 	return l.txs.LastElement()
 }
 
+// subTotalCost subtracts the cost of the given transactions from the
+// total cost of all transactions.
+func (l *list) subTotalCost(txs []*types.Transaction) {
+	for _, tx := range txs {
+		l.totalcost.Sub(l.totalcost, tx.Cost())
+	}
+}
+
 // priceHeap is a heap.Interface implementation over transactions for retrieving
 // price-sorted transactions to discard when the pool fills up. If baseFee is set
 // then the heap is sorted based on the effective tip based on the given base fee.
@@ -478,8 +505,8 @@ func (h *priceHeap) Pop() interface{} {
 	return x
 }
 
-// txPricedList is a price-sorted heap to allow operating on transactions pool
-// contents in a price-incrementing way. It's built opon the all transactions
+// pricedList is a price-sorted heap to allow operating on transactions pool
+// contents in a price-incrementing way. It's built upon the all transactions
 // in txpool but only interested in the remote part. It means only remote transactions
 // will be considered for tracking, sorting, eviction, etc.
 //
@@ -489,14 +516,14 @@ func (h *priceHeap) Pop() interface{} {
 // In some cases (during a congestion, when blocks are full) the urgent heap can provide
 // better candidates for inclusion while in other cases (at the top of the baseFee peak)
 // the floating heap is better. When baseFee is decreasing they behave similarly.
-type txPricedList struct {
+type pricedList struct {
 	// Number of stale price points to (re-heap trigger).
 	// This field is accessed atomically, and must be the first field
 	// to ensure it has correct alignment for atomic.AddInt64.
 	// See https://golang.org/pkg/sync/atomic/#pkg-note-BUG.
 	stales int64
 
-	all              *txLookup  // Pointer to the map of all transactions
+	all              *lookup    // Pointer to the map of all transactions
 	urgent, floating priceHeap  // Heaps of prices of all the stored **remote** transactions
 	reheapMu         sync.Mutex // Mutex asserts that only one routine is reheaping the list
 }
@@ -507,15 +534,15 @@ const (
 	floatingRatio = 1
 )
 
-// newTxPricedList creates a new price-sorted transaction heap.
-func newTxPricedList(all *txLookup) *txPricedList {
-	return &txPricedList{
+// newPricedList creates a new price-sorted transaction heap.
+func newPricedList(all *lookup) *pricedList {
+	return &pricedList{
 		all: all,
 	}
 }
 
 // Put inserts a new transaction into the heap.
-func (l *txPricedList) Put(tx *types.Transaction, local bool) {
+func (l *pricedList) Put(tx *types.Transaction, local bool) {
 	if local {
 		return
 	}
@@ -526,7 +553,7 @@ func (l *txPricedList) Put(tx *types.Transaction, local bool) {
 // Removed notifies the prices transaction list that an old transaction dropped
 // from the pool. The list will just keep a counter of stale objects and update
 // the heap if a large enough ratio of transactions go stale.
-func (l *txPricedList) Removed(count int) {
+func (l *pricedList) Removed(count int) {
 	// Bump the stale counter, but exit if still too low (< 25%)
 	stales := atomic.AddInt64(&l.stales, int64(count))
 	if int(stales) <= (len(l.urgent.list)+len(l.floating.list))/4 {
@@ -538,7 +565,7 @@ func (l *txPricedList) Removed(count int) {
 
 // Underpriced checks whether a transaction is cheaper than (or as cheap as) the
 // lowest priced (remote) transaction currently being tracked.
-func (l *txPricedList) Underpriced(tx *types.Transaction) bool {
+func (l *pricedList) Underpriced(tx *types.Transaction) bool {
 	// Note: with two queues, being underpriced is defined as being worse than the worst item
 	// in all non-empty queues if there is any. If both queues are empty then nothing is underpriced.
 	return (l.underpricedFor(&l.urgent, tx) || len(l.urgent.list) == 0) &&
@@ -548,7 +575,7 @@ func (l *txPricedList) Underpriced(tx *types.Transaction) bool {
 
 // underpricedFor checks whether a transaction is cheaper than (or as cheap as) the
 // lowest priced (remote) transaction in the given heap.
-func (l *txPricedList) underpricedFor(h *priceHeap, tx *types.Transaction) bool {
+func (l *pricedList) underpricedFor(h *priceHeap, tx *types.Transaction) bool {
 	// Discard stale price points if found at the heap start
 	for len(h.list) > 0 {
 		head := h.list[0]
@@ -570,9 +597,10 @@ func (l *txPricedList) underpricedFor(h *priceHeap, tx *types.Transaction) bool
 
 // Discard finds a number of most underpriced transactions, removes them from the
 // priced list and returns them for further removal from the entire pool.
+// If noPending is set to true, we will only consider the floating list
 //
 // Note local transaction won't be considered for eviction.
-func (l *txPricedList) Discard(slots int, force bool) (types.Transactions, bool) {
+func (l *pricedList) Discard(slots int, force bool) (types.Transactions, bool) {
 	drop := make(types.Transactions, 0, slots) // Remote underpriced transactions to drop
 	for slots > 0 {
 		if len(l.urgent.list)*floatingRatio > len(l.floating.list)*urgentRatio || floatingRatio == 0 {
@@ -611,7 +639,7 @@ func (l *txPricedList) Discard(slots int, force bool) (types.Transactions, bool)
 }
 
 // Reheap forcibly rebuilds the heap based on the current remote transaction set.
-func (l *txPricedList) Reheap() {
+func (l *pricedList) Reheap() {
 	l.reheapMu.Lock()
 	defer l.reheapMu.Unlock()
 	start := time.Now()
@@ -639,7 +667,7 @@ func (l *txPricedList) Reheap() {
 
 // SetBaseFee updates the base fee and triggers a re-heap. Note that Removed is not
 // necessary to call right before SetBaseFee when processing a new block.
-func (l *txPricedList) SetBaseFee(baseFee *big.Int) {
+func (l *pricedList) SetBaseFee(baseFee *big.Int) {
 	l.urgent.baseFee = baseFee
 	l.Reheap()
 }
diff --git a/core/tx_list_test.go b/core/txpool/list_test.go
similarity index 86%
rename from core/tx_list_test.go
rename to core/txpool/list_test.go
index cfa7c50c23..fe8e8d5710 100644
--- a/core/tx_list_test.go
+++ b/core/txpool/list_test.go
@@ -24,7 +24,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package core
+package txpool
 
 import (
 	"math/big"
@@ -37,7 +37,7 @@ import (
 
 // Tests that transactions can be added to strict lists and list contents and
 // nonce boundaries are correctly maintained.
-func TestStrictTxListAdd(t *testing.T) {
+func TestStrictListAdd(t *testing.T) {
 	// Generate a list of transactions to insert
 	key, _ := crypto.GenerateKey()
 
@@ -46,9 +46,9 @@ func TestStrictTxListAdd(t *testing.T) {
 		txs[i] = transaction(uint64(i), 0, key)
 	}
 	// Insert the transactions in a random order
-	list := newTxList(true)
+	list := newList(true)
 	for _, v := range rand.Perm(len(txs)) {
-		list.Add(txs[v], DefaultTxPoolConfig.PriceBump)
+		list.Add(txs[v], DefaultConfig.PriceBump)
 	}
 	// Verify internal state
 	if len(list.txs.items) != len(txs) {
@@ -61,7 +61,7 @@ func TestStrictTxListAdd(t *testing.T) {
 	}
 }
 
-func BenchmarkTxListAdd(b *testing.B) {
+func BenchmarkListAdd(b *testing.B) {
 	// Generate a list of transactions to insert
 	key, _ := crypto.GenerateKey()
 
@@ -70,13 +70,13 @@ func BenchmarkTxListAdd(b *testing.B) {
 		txs[i] = transaction(uint64(i), 0, key)
 	}
 	// Insert the transactions in a random order
-	priceLimit := big.NewInt(int64(DefaultTxPoolConfig.PriceLimit))
+	priceLimit := big.NewInt(int64(DefaultConfig.PriceLimit))
 	b.ResetTimer()
 	for i := 0; i < b.N; i++ {
-		list := newTxList(true)
+		list := newList(true)
 		for _, v := range rand.Perm(len(txs)) {
-			list.Add(txs[v], DefaultTxPoolConfig.PriceBump)
-			list.Filter(priceLimit, DefaultTxPoolConfig.PriceBump)
+			list.Add(txs[v], DefaultConfig.PriceBump)
+			list.Filter(priceLimit, DefaultConfig.PriceBump)
 		}
 	}
 }
diff --git a/core/tx_noncer.go b/core/txpool/noncer.go
similarity index 77%
rename from core/tx_noncer.go
rename to core/txpool/noncer.go
index 6c40eb2ad6..df416c0958 100644
--- a/core/tx_noncer.go
+++ b/core/txpool/noncer.go
@@ -24,7 +24,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package core
+package txpool
 
 import (
 	"sync"
@@ -33,18 +33,18 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 )
 
-// txNoncer is a tiny virtual state database to manage the executable nonces of
+// noncer is a tiny virtual state database to manage the executable nonces of
 // accounts in the pool, falling back to reading from a real state database if
 // an account is unknown.
-type txNoncer struct {
+type noncer struct {
 	fallback *state.StateDB
 	nonces   map[common.Address]uint64
 	lock     sync.Mutex
 }
 
-// newTxNoncer creates a new virtual state database to track the pool nonces.
-func newTxNoncer(statedb *state.StateDB) *txNoncer {
-	return &txNoncer{
+// newNoncer creates a new virtual state database to track the pool nonces.
+func newNoncer(statedb *state.StateDB) *noncer {
+	return &noncer{
 		fallback: statedb.Copy(),
 		nonces:   make(map[common.Address]uint64),
 	}
@@ -52,21 +52,23 @@ func newTxNoncer(statedb *state.StateDB) *txNoncer {
 
 // get returns the current nonce of an account, falling back to a real state
 // database if the account is unknown.
-func (txn *txNoncer) get(addr common.Address) uint64 {
+func (txn *noncer) get(addr common.Address) uint64 {
 	// We use mutex for get operation is the underlying
 	// state will mutate db even for read access.
 	txn.lock.Lock()
 	defer txn.lock.Unlock()
 
 	if _, ok := txn.nonces[addr]; !ok {
-		txn.nonces[addr] = txn.fallback.GetNonce(addr)
+		if nonce := txn.fallback.GetNonce(addr); nonce != 0 {
+			txn.nonces[addr] = nonce
+		}
 	}
 	return txn.nonces[addr]
 }
 
 // set inserts a new virtual nonce into the virtual state database to be returned
 // whenever the pool requests it instead of reaching into the real state database.
-func (txn *txNoncer) set(addr common.Address, nonce uint64) {
+func (txn *noncer) set(addr common.Address, nonce uint64) {
 	txn.lock.Lock()
 	defer txn.lock.Unlock()
 
@@ -74,13 +76,15 @@ func (txn *txNoncer) set(addr common.Address, nonce uint64) {
 }
 
 // setIfLower updates a new virtual nonce into the virtual state database if the
-// the new one is lower.
-func (txn *txNoncer) setIfLower(addr common.Address, nonce uint64) {
+// new one is lower.
+func (txn *noncer) setIfLower(addr common.Address, nonce uint64) {
 	txn.lock.Lock()
 	defer txn.lock.Unlock()
 
 	if _, ok := txn.nonces[addr]; !ok {
-		txn.nonces[addr] = txn.fallback.GetNonce(addr)
+		if nonce := txn.fallback.GetNonce(addr); nonce != 0 {
+			txn.nonces[addr] = nonce
+		}
 	}
 	if txn.nonces[addr] <= nonce {
 		return
@@ -89,7 +93,7 @@ func (txn *txNoncer) setIfLower(addr common.Address, nonce uint64) {
 }
 
 // setAll sets the nonces for all accounts to the given map.
-func (txn *txNoncer) setAll(all map[common.Address]uint64) {
+func (txn *noncer) setAll(all map[common.Address]uint64) {
 	txn.lock.Lock()
 	defer txn.lock.Unlock()
 
diff --git a/core/tx_pool.go b/core/txpool/txpool.go
similarity index 88%
rename from core/tx_pool.go
rename to core/txpool/txpool.go
index 5daaf45d0d..51dba37573 100644
--- a/core/tx_pool.go
+++ b/core/txpool/txpool.go
@@ -24,9 +24,10 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package core
+package txpool
 
 import (
+	"container/heap"
 	"errors"
 	"fmt"
 	"math"
@@ -38,12 +39,14 @@ import (
 
 	"github.com/ava-labs/subnet-evm/commontype"
 	"github.com/ava-labs/subnet-evm/consensus/dummy"
+	"github.com/ava-labs/subnet-evm/core"
 	"github.com/ava-labs/subnet-evm/core/state"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/metrics"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ava-labs/subnet-evm/precompile/contracts/feemanager"
 	"github.com/ava-labs/subnet-evm/precompile/contracts/txallowlist"
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ava-labs/subnet-evm/vmerrs"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -83,7 +86,7 @@ var (
 	// configured for the transaction pool.
 	ErrUnderpriced = errors.New("transaction underpriced")
 
-	// ErrTxPoolOverflow is returned if the transaction pool is full and can't accpet
+	// ErrTxPoolOverflow is returned if the transaction pool is full and can't accept
 	// another remote transaction.
 	ErrTxPoolOverflow = errors.New("txpool is full")
 
@@ -103,6 +106,14 @@ var (
 	// than some meaningful limit a user might use. This is not a consensus error
 	// making the transaction invalid, rather a DOS protection.
 	ErrOversizedData = errors.New("oversized data")
+
+	// ErrFutureReplacePending is returned if a future transaction replaces a pending
+	// transaction. Future transactions should only be able to replace other future transactions.
+	ErrFutureReplacePending = errors.New("future transaction tries to replace pending")
+
+	// ErrOverdraft is returned if a transaction would cause the senders balance to go negative
+	// thus invalidating a potential large number of transactions.
+	ErrOverdraft = errors.New("transaction would cause overdraft")
 )
 
 var (
@@ -131,6 +142,7 @@ var (
 	invalidTxMeter     = metrics.NewRegisteredMeter("txpool/invalid", nil)
 	underpricedTxMeter = metrics.NewRegisteredMeter("txpool/underpriced", nil)
 	overflowedTxMeter  = metrics.NewRegisteredMeter("txpool/overflowed", nil)
+
 	// throttleTxMeter counts how many transactions are rejected due to too-many-changes between
 	// txpool reorgs.
 	throttleTxMeter = metrics.NewRegisteredMeter("txpool/throttle", nil)
@@ -160,17 +172,17 @@ const (
 // blockChain provides the state of blockchain and current gas limit to do
 // some pre checks in tx pool and event subscribers.
 type blockChain interface {
-	CurrentBlock() *types.Block
+	CurrentBlock() *types.Header
 	GetBlock(hash common.Hash, number uint64) *types.Block
 	StateAt(root common.Hash) (*state.StateDB, error)
-	SenderCacher() *TxSenderCacher
+	SenderCacher() *core.TxSenderCacher
 	GetFeeConfigAt(parent *types.Header) (commontype.FeeConfig, *big.Int, error)
 
-	SubscribeChainHeadEvent(ch chan<- ChainHeadEvent) event.Subscription
+	SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription
 }
 
-// TxPoolConfig are the configuration parameters of the transaction pool.
-type TxPoolConfig struct {
+// Config are the configuration parameters of the transaction pool.
+type Config struct {
 	Locals    []common.Address // Addresses that should be treated by default as local
 	NoLocals  bool             // Whether local transaction handling should be disabled
 	Journal   string           // Journal of local transactions to survive node restarts
@@ -187,9 +199,9 @@ type TxPoolConfig struct {
 	Lifetime time.Duration // Maximum amount of time non-executable transaction are queued
 }
 
-// DefaultTxPoolConfig contains the default configurations for the transaction
+// DefaultConfig contains the default configurations for the transaction
 // pool.
-var DefaultTxPoolConfig = TxPoolConfig{
+var DefaultConfig = Config{
 	Journal:   "transactions.rlp",
 	Rejournal: time.Hour,
 
@@ -206,39 +218,39 @@ var DefaultTxPoolConfig = TxPoolConfig{
 
 // sanitize checks the provided user configurations and changes anything that's
 // unreasonable or unworkable.
-func (config *TxPoolConfig) sanitize() TxPoolConfig {
+func (config *Config) sanitize() Config {
 	conf := *config
 	if conf.Rejournal < time.Second {
 		log.Warn("Sanitizing invalid txpool journal time", "provided", conf.Rejournal, "updated", time.Second)
 		conf.Rejournal = time.Second
 	}
 	if conf.PriceLimit < 1 {
-		log.Warn("Sanitizing invalid txpool price limit", "provided", conf.PriceLimit, "updated", DefaultTxPoolConfig.PriceLimit)
-		conf.PriceLimit = DefaultTxPoolConfig.PriceLimit
+		log.Warn("Sanitizing invalid txpool price limit", "provided", conf.PriceLimit, "updated", DefaultConfig.PriceLimit)
+		conf.PriceLimit = DefaultConfig.PriceLimit
 	}
 	if conf.PriceBump < 1 {
-		log.Warn("Sanitizing invalid txpool price bump", "provided", conf.PriceBump, "updated", DefaultTxPoolConfig.PriceBump)
-		conf.PriceBump = DefaultTxPoolConfig.PriceBump
+		log.Warn("Sanitizing invalid txpool price bump", "provided", conf.PriceBump, "updated", DefaultConfig.PriceBump)
+		conf.PriceBump = DefaultConfig.PriceBump
 	}
 	if conf.AccountSlots < 1 {
-		log.Warn("Sanitizing invalid txpool account slots", "provided", conf.AccountSlots, "updated", DefaultTxPoolConfig.AccountSlots)
-		conf.AccountSlots = DefaultTxPoolConfig.AccountSlots
+		log.Warn("Sanitizing invalid txpool account slots", "provided", conf.AccountSlots, "updated", DefaultConfig.AccountSlots)
+		conf.AccountSlots = DefaultConfig.AccountSlots
 	}
 	if conf.GlobalSlots < 1 {
-		log.Warn("Sanitizing invalid txpool global slots", "provided", conf.GlobalSlots, "updated", DefaultTxPoolConfig.GlobalSlots)
-		conf.GlobalSlots = DefaultTxPoolConfig.GlobalSlots
+		log.Warn("Sanitizing invalid txpool global slots", "provided", conf.GlobalSlots, "updated", DefaultConfig.GlobalSlots)
+		conf.GlobalSlots = DefaultConfig.GlobalSlots
 	}
 	if conf.AccountQueue < 1 {
-		log.Warn("Sanitizing invalid txpool account queue", "provided", conf.AccountQueue, "updated", DefaultTxPoolConfig.AccountQueue)
-		conf.AccountQueue = DefaultTxPoolConfig.AccountQueue
+		log.Warn("Sanitizing invalid txpool account queue", "provided", conf.AccountQueue, "updated", DefaultConfig.AccountQueue)
+		conf.AccountQueue = DefaultConfig.AccountQueue
 	}
 	if conf.GlobalQueue < 1 {
-		log.Warn("Sanitizing invalid txpool global queue", "provided", conf.GlobalQueue, "updated", DefaultTxPoolConfig.GlobalQueue)
-		conf.GlobalQueue = DefaultTxPoolConfig.GlobalQueue
+		log.Warn("Sanitizing invalid txpool global queue", "provided", conf.GlobalQueue, "updated", DefaultConfig.GlobalQueue)
+		conf.GlobalQueue = DefaultConfig.GlobalQueue
 	}
 	if conf.Lifetime < 1 {
-		log.Warn("Sanitizing invalid txpool lifetime", "provided", conf.Lifetime, "updated", DefaultTxPoolConfig.Lifetime)
-		conf.Lifetime = DefaultTxPoolConfig.Lifetime
+		log.Warn("Sanitizing invalid txpool lifetime", "provided", conf.Lifetime, "updated", DefaultConfig.Lifetime)
+		conf.Lifetime = DefaultConfig.Lifetime
 	}
 	return conf
 }
@@ -251,7 +263,7 @@ func (config *TxPoolConfig) sanitize() TxPoolConfig {
 // current state) and future transactions. Transactions move between those
 // two states over time as they are received and processed.
 type TxPool struct {
-	config      TxPoolConfig
+	config      Config
 	chainconfig *params.ChainConfig
 	chain       blockChain
 	gasPrice    *big.Int
@@ -263,9 +275,11 @@ type TxPool struct {
 	signer      types.Signer
 	mu          sync.RWMutex
 
-	istanbul bool // Fork indicator whether we are in the istanbul stage.
-	eip2718  bool // Fork indicator whether we are using EIP-2718 type transactions.
-	eip1559  bool // Fork indicator whether we are using EIP-1559 type transactions.
+	// mu lock must be held to access rules
+	rules   params.Rules // Rules for the currentHead
+	eip2718 bool         // Fork indicator whether we are using EIP-2718 type transactions.
+	eip1559 bool         // Fork indicator whether we are using EIP-1559 type transactions.
+	eip3860 bool         // Fork indicator whether EIP-3860 is activated. (activated in Shanghai Upgrade in Ethereum)
 
 	currentHead *types.Header
 	// [currentState] is the state of the blockchain head. It is reset whenever
@@ -275,20 +289,20 @@ type TxPool struct {
 	// and balances during reorgs and gossip handling.
 	currentStateLock sync.Mutex
 
-	pendingNonces *txNoncer // Pending state tracking virtual nonces
-	currentMaxGas uint64    // Current gas limit for transaction caps
+	pendingNonces *noncer // Pending state tracking virtual nonces
+	currentMaxGas uint64  // Current gas limit for transaction caps
 
 	locals  *accountSet // Set of local transaction to exempt from eviction rules
-	journal *txJournal  // Journal of local transaction to back up to disk
+	journal *journal    // Journal of local transaction to back up to disk
 
-	OrderBookTxMap map[common.Address]*txList
-	pending        map[common.Address]*txList   // All currently processable transactions
-	queue          map[common.Address]*txList   // Queued but non-processable transactions
+	OrderBookTxMap map[common.Address]*list
+	pending        map[common.Address]*list     // All currently processable transactions
+	queue          map[common.Address]*list     // Queued but non-processable transactions
 	beats          map[common.Address]time.Time // Last heartbeat from each known account
-	all            *txLookup                    // All transactions to allow lookups
-	priced         *txPricedList                // All transactions sorted by price
+	all            *lookup                      // All transactions to allow lookups
+	priced         *pricedList                  // All transactions sorted by price
 
-	chainHeadCh         chan ChainHeadEvent
+	chainHeadCh         chan core.ChainHeadEvent
 	chainHeadSub        event.Subscription
 	reqResetCh          chan *txpoolResetRequest
 	reqPromoteCh        chan *accountSet
@@ -309,7 +323,7 @@ type txpoolResetRequest struct {
 
 // NewTxPool creates a new transaction pool to gather, sort and filter inbound
 // transactions from the network.
-func NewTxPool(config TxPoolConfig, chainconfig *params.ChainConfig, chain blockChain) *TxPool {
+func NewTxPool(config Config, chainconfig *params.ChainConfig, chain blockChain) *TxPool {
 	// Sanitize the input to ensure no vulnerable gas prices are set
 	config = (&config).sanitize()
 
@@ -319,12 +333,12 @@ func NewTxPool(config TxPoolConfig, chainconfig *params.ChainConfig, chain block
 		chainconfig:         chainconfig,
 		chain:               chain,
 		signer:              types.LatestSigner(chainconfig),
-		OrderBookTxMap:      make(map[common.Address]*txList),
-		pending:             make(map[common.Address]*txList),
-		queue:               make(map[common.Address]*txList),
+		OrderBookTxMap:      make(map[common.Address]*list),
+		pending:             make(map[common.Address]*list),
+		queue:               make(map[common.Address]*list),
 		beats:               make(map[common.Address]time.Time),
-		all:                 newTxLookup(),
-		chainHeadCh:         make(chan ChainHeadEvent, chainHeadChanSize),
+		all:                 newLookup(),
+		chainHeadCh:         make(chan core.ChainHeadEvent, chainHeadChanSize),
 		reqResetCh:          make(chan *txpoolResetRequest),
 		reqPromoteCh:        make(chan *accountSet),
 		queueTxEventCh:      make(chan *types.Transaction),
@@ -339,8 +353,8 @@ func NewTxPool(config TxPoolConfig, chainconfig *params.ChainConfig, chain block
 		log.Info("Setting new local account", "address", addr)
 		pool.locals.add(addr)
 	}
-	pool.priced = newTxPricedList(pool.all)
-	pool.reset(nil, chain.CurrentBlock().Header())
+	pool.priced = newPricedList(pool.all)
+	pool.reset(nil, chain.CurrentBlock())
 
 	// Start the reorg loop early so it can handle requests generated during journal loading.
 	pool.wg.Add(1)
@@ -394,9 +408,9 @@ func (pool *TxPool) loop() {
 		// Handle ChainHeadEvent
 		case ev := <-pool.chainHeadCh:
 			if ev.Block != nil {
-				pool.requestReset(head.Header(), ev.Block.Header())
-				head = ev.Block
-				pool.headFeed.Send(NewTxPoolHeadEvent{Block: head})
+				pool.requestReset(head, ev.Block.Header())
+				head = ev.Block.Header()
+				pool.headFeed.Send(core.NewTxPoolHeadEvent{Head: head})
 			}
 
 		// System shutdown.
@@ -466,19 +480,19 @@ func (pool *TxPool) Stop() {
 
 // SubscribeNewTxsEvent registers a subscription of NewTxsEvent and
 // starts sending event to the given channel.
-func (pool *TxPool) SubscribeNewTxsEvent(ch chan<- NewTxsEvent) event.Subscription {
+func (pool *TxPool) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription {
 	return pool.scope.Track(pool.txFeed.Subscribe(ch))
 }
 
 // SubscribeNewHeadEvent registers a subscription of NewHeadEvent and
 // starts sending event to the given channel.
-func (pool *TxPool) SubscribeNewHeadEvent(ch chan<- NewTxPoolHeadEvent) event.Subscription {
+func (pool *TxPool) SubscribeNewHeadEvent(ch chan<- core.NewTxPoolHeadEvent) event.Subscription {
 	return pool.scope.Track(pool.headFeed.Subscribe(ch))
 }
 
 // SubscribeNewReorgEvent registers a subscription of NewReorgEvent and
 // starts sending event to the given channel.
-func (pool *TxPool) SubscribeNewReorgEvent(ch chan<- NewTxPoolReorgEvent) event.Subscription {
+func (pool *TxPool) SubscribeNewReorgEvent(ch chan<- core.NewTxPoolReorgEvent) event.Subscription {
 	return pool.scope.Track(pool.reorgFeed.Subscribe(ch))
 }
 
@@ -556,11 +570,11 @@ func (pool *TxPool) Content() (map[common.Address]types.Transactions, map[common
 	pool.mu.Lock()
 	defer pool.mu.Unlock()
 
-	pending := make(map[common.Address]types.Transactions)
+	pending := make(map[common.Address]types.Transactions, len(pool.pending))
 	for addr, list := range pool.pending {
 		pending[addr] = list.Flatten()
 	}
-	queued := make(map[common.Address]types.Transactions)
+	queued := make(map[common.Address]types.Transactions, len(pool.queue))
 	for addr, list := range pool.queue {
 		queued[addr] = list.Flatten()
 	}
@@ -684,26 +698,41 @@ func (pool *TxPool) checkTxState(from common.Address, tx *types.Transaction) err
 	pool.currentStateLock.Lock()
 	defer pool.currentStateLock.Unlock()
 
-	// cost == V + GP * GL
-	if balance, cost := pool.currentState.GetBalance(from), tx.Cost(); balance.Cmp(cost) < 0 {
-		return fmt.Errorf("%w: address %s have (%d) want (%d)", ErrInsufficientFunds, from.Hex(), balance, cost)
-	}
-
 	txNonce := tx.Nonce()
 	// Ensure the transaction adheres to nonce ordering
 	if currentNonce := pool.currentState.GetNonce(from); currentNonce > txNonce {
 		return fmt.Errorf("%w: address %s current nonce (%d) > tx nonce (%d)",
-			ErrNonceTooLow, from.Hex(), currentNonce, txNonce)
+			core.ErrNonceTooLow, from.Hex(), currentNonce, txNonce)
+	}
+
+	// cost == V + GP * GL
+	balance := pool.currentState.GetBalance(from)
+	if balance.Cmp(tx.Cost()) < 0 {
+		return fmt.Errorf("%w: address %s have (%d) want (%d)", core.ErrInsufficientFunds, from.Hex(), balance, tx.Cost())
+	}
+
+	// Verify that replacing transactions will not result in overdraft
+	list := pool.pending[from]
+	if list != nil { // Sender already has pending txs
+		sum := new(big.Int).Add(tx.Cost(), list.totalcost)
+		if repl := list.txs.Get(tx.Nonce()); repl != nil {
+			// Deduct the cost of a transaction replaced by this
+			sum.Sub(sum, repl.Cost())
+		}
+		if balance.Cmp(sum) < 0 {
+			log.Trace("Replacing transactions would overdraft", "sender", from, "balance", pool.currentState.GetBalance(from), "required", sum)
+			return ErrOverdraft
+		}
 	}
 
 	// If the tx allow list is enabled, return an error if the from address is not allow listed.
-	headTimestamp := big.NewInt(int64(pool.currentHead.Time))
-	if pool.chainconfig.IsPrecompileEnabled(txallowlist.ContractAddress, headTimestamp) {
+	if pool.chainconfig.IsPrecompileEnabled(txallowlist.ContractAddress, pool.currentHead.Time) {
 		txAllowListRole := txallowlist.GetTxAllowListStatus(pool.currentState, from)
 		if !txAllowListRole.IsEnabled() {
 			return fmt.Errorf("%w: %s", vmerrs.ErrSenderAddressNotAllowListed, from)
 		}
 	}
+
 	return nil
 }
 
@@ -712,15 +741,19 @@ func (pool *TxPool) checkTxState(from common.Address, tx *types.Transaction) err
 func (pool *TxPool) validateTx(tx *types.Transaction, local bool) error {
 	// Accept only legacy transactions until EIP-2718/2930 activates.
 	if !pool.eip2718 && tx.Type() != types.LegacyTxType {
-		return ErrTxTypeNotSupported
+		return core.ErrTxTypeNotSupported
 	}
 	// Reject dynamic fee transactions until EIP-1559 activates.
 	if !pool.eip1559 && tx.Type() == types.DynamicFeeTxType {
-		return ErrTxTypeNotSupported
+		return core.ErrTxTypeNotSupported
 	}
 	// Reject transactions over defined size to prevent DOS attacks
-	if txSize := uint64(tx.Size()); txSize > txMaxSize {
-		return fmt.Errorf("%w tx size %d > max size %d", ErrOversizedData, txSize, txMaxSize)
+	if tx.Size() > txMaxSize {
+		return fmt.Errorf("%w tx size %d > max size %d", ErrOversizedData, tx.Size(), txMaxSize)
+	}
+	// Check whether the init code size has been exceeded.
+	if pool.eip3860 && tx.To() == nil && len(tx.Data()) > params.MaxInitCodeSize {
+		return fmt.Errorf("%w: code size %v limit %v", vmerrs.ErrMaxInitCodeSizeExceeded, len(tx.Data()), params.MaxInitCodeSize)
 	}
 	// Transactions can't be negative. This may never happen using RLP decoded
 	// transactions but may occur if you create a transaction using the RPC.
@@ -733,14 +766,14 @@ func (pool *TxPool) validateTx(tx *types.Transaction, local bool) error {
 	}
 	// Sanity check for extremely large numbers
 	if tx.GasFeeCap().BitLen() > 256 {
-		return ErrFeeCapVeryHigh
+		return core.ErrFeeCapVeryHigh
 	}
 	if tx.GasTipCap().BitLen() > 256 {
-		return ErrTipVeryHigh
+		return core.ErrTipVeryHigh
 	}
 	// Ensure gasFeeCap is greater than or equal to gasTipCap.
 	if tx.GasFeeCapIntCmp(tx.GasTipCap()) < 0 {
-		return ErrTipAboveFeeCap
+		return core.ErrTipAboveFeeCap
 	}
 	// Make sure the transaction is signed properly.
 	from, err := types.Sender(pool.signer, tx)
@@ -757,18 +790,17 @@ func (pool *TxPool) validateTx(tx *types.Transaction, local bool) error {
 	}
 
 	// Ensure the transaction adheres to nonce ordering
+	// Transactor should have enough funds to cover the costs
 	if err := pool.checkTxState(from, tx); err != nil {
 		return err
 	}
-	// Transactor should have enough funds to cover the costs
-
 	// Ensure the transaction has more gas than the basic tx fee.
-	intrGas, err := IntrinsicGas(tx.Data(), tx.AccessList(), tx.To() == nil, true, pool.istanbul)
+	intrGas, err := core.IntrinsicGas(tx.Data(), tx.AccessList(), tx.To() == nil, pool.rules)
 	if err != nil {
 		return err
 	}
 	if txGas := tx.Gas(); txGas < intrGas {
-		return fmt.Errorf("%w: address %v tx gas (%v) < intrinsic gas (%v)", ErrIntrinsicGas, from.Hex(), tx.Gas(), intrGas)
+		return fmt.Errorf("%w: address %v tx gas (%v) < intrinsic gas (%v)", core.ErrIntrinsicGas, from.Hex(), tx.Gas(), intrGas)
 	}
 	return nil
 }
@@ -798,6 +830,10 @@ func (pool *TxPool) add(tx *types.Transaction, local bool) (replaced bool, err e
 		invalidTxMeter.Mark(1)
 		return false, err
 	}
+
+	// already validated by this point
+	from, _ := types.Sender(pool.signer, tx)
+
 	// If the transaction pool is full, discard underpriced transactions
 	if uint64(pool.all.Slots()+numSlots(tx)) > pool.config.GlobalSlots+pool.config.GlobalQueue {
 		// If the new transaction is underpriced, don't accept it
@@ -806,6 +842,7 @@ func (pool *TxPool) add(tx *types.Transaction, local bool) (replaced bool, err e
 			underpricedTxMeter.Mark(1)
 			return false, ErrUnderpriced
 		}
+
 		// We're about to replace a transaction. The reorg does a more thorough
 		// analysis of what to remove and how, but it runs async. We don't want to
 		// do too many replacements between reorg-runs, so we cap the number of
@@ -826,17 +863,37 @@ func (pool *TxPool) add(tx *types.Transaction, local bool) (replaced bool, err e
 			overflowedTxMeter.Mark(1)
 			return false, ErrTxPoolOverflow
 		}
-		// Bump the counter of rejections-since-reorg
-		pool.changesSinceReorg += len(drop)
+
+		// If the new transaction is a future transaction it should never churn pending transactions
+		if pool.isFuture(from, tx) {
+			var replacesPending bool
+			for _, dropTx := range drop {
+				dropSender, _ := types.Sender(pool.signer, dropTx)
+				if list := pool.pending[dropSender]; list != nil && list.Overlaps(dropTx) {
+					replacesPending = true
+					break
+				}
+			}
+			// Add all transactions back to the priced queue
+			if replacesPending {
+				for _, dropTx := range drop {
+					heap.Push(&pool.priced.urgent, dropTx)
+				}
+				log.Trace("Discarding future transaction replacing pending tx", "hash", hash)
+				return false, ErrFutureReplacePending
+			}
+		}
+
 		// Kick out the underpriced remote transactions.
 		for _, tx := range drop {
 			log.Trace("Discarding freshly underpriced transaction", "hash", tx.Hash(), "gasTipCap", tx.GasTipCap(), "gasFeeCap", tx.GasFeeCap())
 			underpricedTxMeter.Mark(1)
-			pool.removeTx(tx.Hash(), false)
+			dropped := pool.removeTx(tx.Hash(), false)
+			pool.changesSinceReorg += dropped
 		}
 	}
+
 	// Try to replace an existing transaction in the pending pool
-	from, _ := types.Sender(pool.signer, tx) // already validated
 	if list := pool.pending[from]; list != nil && list.Overlaps(tx) {
 		// Nonce already pending, check if required price bump is met
 		inserted, old := list.Add(tx, pool.config.PriceBump)
@@ -880,6 +937,20 @@ func (pool *TxPool) add(tx *types.Transaction, local bool) (replaced bool, err e
 	return replaced, nil
 }
 
+// isFuture reports whether the given transaction is immediately executable.
+func (pool *TxPool) isFuture(from common.Address, tx *types.Transaction) bool {
+	list := pool.pending[from]
+	if list == nil {
+		return pool.pendingNonces.get(from) != tx.Nonce()
+	}
+	// Sender has pending transactions.
+	if old := list.txs.Get(tx.Nonce()); old != nil {
+		return false // It replaces a pending transaction.
+	}
+	// Not replacing, check if parent nonce exists in pending.
+	return list.txs.Get(tx.Nonce()-1) == nil
+}
+
 // enqueueTx inserts a new transaction into the non-executable transaction queue.
 //
 // Note, this method assumes the pool lock is held!
@@ -887,7 +958,7 @@ func (pool *TxPool) enqueueTx(hash common.Hash, tx *types.Transaction, local boo
 	// Try to insert the transaction into the future queue
 	from, _ := types.Sender(pool.signer, tx) // already validated
 	if pool.queue[from] == nil {
-		pool.queue[from] = newTxList(false)
+		pool.queue[from] = newList(false)
 	}
 	inserted, old := pool.queue[from].Add(tx, pool.config.PriceBump)
 	if !inserted {
@@ -939,7 +1010,7 @@ func (pool *TxPool) journalTx(from common.Address, tx *types.Transaction) {
 func (pool *TxPool) promoteTx(addr common.Address, hash common.Hash, tx *types.Transaction) bool {
 	// Try to insert the transaction into the pending queue
 	if pool.pending[addr] == nil {
-		pool.pending[addr] = newTxList(true)
+		pool.pending[addr] = newList(true)
 	}
 	list := pool.pending[addr]
 
@@ -995,7 +1066,7 @@ func (pool *TxPool) AddOrderBookTx(tx *types.Transaction) error {
 	if from, err := types.Sender(pool.signer, tx); err == nil {
 		val, ok := pool.OrderBookTxMap[from]
 		if !ok {
-			val = newTxList(false)
+			val = newList(false)
 			pool.OrderBookTxMap[from] = val
 		}
 		ok, _ = val.Add(tx, 0)
@@ -1016,7 +1087,7 @@ func (pool *TxPool) AddLocals(txs []*types.Transaction) []error {
 }
 
 // AddLocal enqueues a single local transaction into the pool if it is valid. This is
-// a convenience wrapper aroundd AddLocals.
+// a convenience wrapper around AddLocals.
 func (pool *TxPool) AddLocal(tx *types.Transaction) error {
 	errs := pool.AddLocals([]*types.Transaction{tx})
 	return errs[0]
@@ -1031,7 +1102,7 @@ func (pool *TxPool) AddRemotes(txs []*types.Transaction) []error {
 	return pool.addTxs(txs, false, false)
 }
 
-// This is like AddRemotes, but waits for pool reorganization. Tests use this method.
+// AddRemotesSync is like AddRemotes, but waits for pool reorganization. Tests use this method.
 func (pool *TxPool) AddRemotesSync(txs []*types.Transaction) []error {
 	return pool.addTxs(txs, false, true)
 }
@@ -1086,7 +1157,7 @@ func (pool *TxPool) addTxs(txs []*types.Transaction, local, sync bool) []error {
 	newErrs, dirtyAddrs := pool.addTxsLocked(news, local)
 	pool.mu.Unlock()
 
-	nilSlot := 0
+	var nilSlot = 0
 	for _, err := range newErrs {
 		for errs[nilSlot] != nil {
 			nilSlot++
@@ -1169,11 +1240,12 @@ func (pool *TxPool) RemoveTx(hash common.Hash) {
 
 // removeTx removes a single transaction from the queue, moving all subsequent
 // transactions back to the future queue.
-func (pool *TxPool) removeTx(hash common.Hash, outofbound bool) {
+// Returns the number of transactions removed from the pending queue.
+func (pool *TxPool) removeTx(hash common.Hash, outofbound bool) int {
 	// Fetch the transaction we wish to delete
 	tx := pool.all.Get(hash)
 	if tx == nil {
-		return
+		return 0
 	}
 	addr, _ := types.Sender(pool.signer, tx) // already validated during insertion
 
@@ -1201,7 +1273,7 @@ func (pool *TxPool) removeTx(hash common.Hash, outofbound bool) {
 			pool.pendingNonces.setIfLower(addr, tx.Nonce())
 			// Reduce the pending counter
 			pendingGauge.Dec(int64(1 + len(invalids)))
-			return
+			return 1 + len(invalids)
 		}
 	}
 	// Transaction is in the future queue
@@ -1215,6 +1287,7 @@ func (pool *TxPool) removeTx(hash common.Hash, outofbound bool) {
 			delete(pool.beats, addr)
 		}
 	}
+	return 0
 }
 
 // requestReset requests a pool reset to the new head block.
@@ -1259,7 +1332,7 @@ func (pool *TxPool) scheduleReorgLoop() {
 		launchNextRun bool
 		reset         *txpoolResetRequest
 		dirtyAccounts *accountSet
-		queuedEvents  = make(map[common.Address]*txSortedMap)
+		queuedEvents  = make(map[common.Address]*sortedMap)
 	)
 	for {
 		// Launch next background reorg if needed
@@ -1272,7 +1345,7 @@ func (pool *TxPool) scheduleReorgLoop() {
 			launchNextRun = false
 
 			reset, dirtyAccounts = nil, nil
-			queuedEvents = make(map[common.Address]*txSortedMap)
+			queuedEvents = make(map[common.Address]*sortedMap)
 		}
 
 		select {
@@ -1301,7 +1374,7 @@ func (pool *TxPool) scheduleReorgLoop() {
 			// request one later if they want the events sent.
 			addr, _ := types.Sender(pool.signer, tx)
 			if _, ok := queuedEvents[addr]; !ok {
-				queuedEvents[addr] = newTxSortedMap()
+				queuedEvents[addr] = newSortedMap()
 			}
 			queuedEvents[addr].Put(tx)
 
@@ -1320,7 +1393,7 @@ func (pool *TxPool) scheduleReorgLoop() {
 }
 
 // runReorg runs reset and promoteExecutables on behalf of scheduleReorgLoop.
-func (pool *TxPool) runReorg(done chan struct{}, reset *txpoolResetRequest, dirtyAccounts *accountSet, events map[common.Address]*txSortedMap) {
+func (pool *TxPool) runReorg(done chan struct{}, reset *txpoolResetRequest, dirtyAccounts *accountSet, events map[common.Address]*sortedMap) {
 	defer func(t0 time.Time) {
 		reorgDurationTimer.Update(time.Since(t0))
 	}(time.Now())
@@ -1359,7 +1432,7 @@ func (pool *TxPool) runReorg(done chan struct{}, reset *txpoolResetRequest, dirt
 	// because of another transaction (e.g. higher gas price).
 	if reset != nil {
 		pool.demoteUnexecutables()
-		if reset.newHead != nil && pool.chainconfig.IsSubnetEVM(new(big.Int).SetUint64(reset.newHead.Time)) {
+		if reset.newHead != nil && pool.chainconfig.IsSubnetEVM(reset.newHead.Time) {
 			if err := pool.updateBaseFeeAt(reset.newHead); err != nil {
 				log.Error("error at updating base fee in tx pool", "error", err)
 			}
@@ -1382,14 +1455,14 @@ func (pool *TxPool) runReorg(done chan struct{}, reset *txpoolResetRequest, dirt
 	pool.mu.Unlock()
 
 	if reset != nil && reset.newHead != nil {
-		pool.reorgFeed.Send(NewTxPoolReorgEvent{reset.newHead})
+		pool.reorgFeed.Send(core.NewTxPoolReorgEvent{Head: reset.newHead})
 	}
 
 	// Notify subsystems for newly added transactions
 	for _, tx := range promoted {
 		addr, _ := types.Sender(pool.signer, tx)
 		if _, ok := events[addr]; !ok {
-			events[addr] = newTxSortedMap()
+			events[addr] = newSortedMap()
 		}
 		events[addr].Put(tx)
 	}
@@ -1398,7 +1471,7 @@ func (pool *TxPool) runReorg(done chan struct{}, reset *txpoolResetRequest, dirt
 		for _, set := range events {
 			txs = append(txs, set.Flatten()...)
 		}
-		pool.txFeed.Send(NewTxsEvent{txs})
+		pool.txFeed.Send(core.NewTxsEvent{Txs: txs})
 	}
 }
 
@@ -1425,7 +1498,7 @@ func (pool *TxPool) reset(oldHead, newHead *types.Header) {
 			if rem == nil {
 				// This can happen if a setHead is performed, where we simply discard the old
 				// head from the chain.
-				// If that is the case, we don't have the lost transactions any more, and
+				// If that is the case, we don't have the lost transactions anymore, and
 				// there's nothing to add
 				if newNum >= oldNum {
 					// If we reorged to a same or higher number, then it's not a case of setHead
@@ -1470,7 +1543,7 @@ func (pool *TxPool) reset(oldHead, newHead *types.Header) {
 	}
 	// Initialize the internal state to the current head
 	if newHead == nil {
-		newHead = pool.chain.CurrentBlock().Header() // Special case during testing
+		newHead = pool.chain.CurrentBlock() // Special case during testing
 	}
 	statedb, err := pool.chain.StateAt(newHead.Root)
 	if err != nil {
@@ -1481,12 +1554,12 @@ func (pool *TxPool) reset(oldHead, newHead *types.Header) {
 	pool.currentStateLock.Lock()
 	pool.currentState = statedb
 	pool.currentStateLock.Unlock()
-	pool.pendingNonces = newTxNoncer(statedb)
+	pool.pendingNonces = newNoncer(statedb)
 	pool.currentMaxGas = newHead.GasLimit
 
 	// when we reset txPool we should explicitly check if fee struct for min base fee has changed
 	// so that we can correctly drop txs with < minBaseFee from tx pool.
-	if pool.chainconfig.IsPrecompileEnabled(feemanager.ContractAddress, new(big.Int).SetUint64(newHead.Time)) {
+	if pool.chainconfig.IsPrecompileEnabled(feemanager.ContractAddress, newHead.Time) {
 		feeConfig, _, err := pool.chain.GetFeeConfigAt(newHead)
 		if err != nil {
 			log.Error("Failed to get fee config state", "err", err, "root", newHead.Root)
@@ -1502,11 +1575,12 @@ func (pool *TxPool) reset(oldHead, newHead *types.Header) {
 
 	// Update all fork indicator by next pending block number.
 	next := new(big.Int).Add(newHead.Number, big.NewInt(1))
-	pool.istanbul = pool.chainconfig.IsIstanbul(next)
+	pool.rules = pool.chainconfig.AvalancheRules(next, newHead.Time)
 
-	isSubnetEVM := pool.chainconfig.IsSubnetEVM(new(big.Int).SetUint64(newHead.Time))
+	isSubnetEVM := pool.rules.IsSubnetEVM
 	pool.eip2718 = isSubnetEVM
 	pool.eip1559 = isSubnetEVM
+	pool.eip3860 = pool.rules.IsDUpgrade
 }
 
 // promoteExecutables moves transactions that have become processable from the
@@ -1592,7 +1666,7 @@ func (pool *TxPool) truncatePending() {
 
 	pendingBeforeCap := pending
 	// Assemble a spam order to penalize large transactors first
-	spammers := prque.New(nil)
+	spammers := prque.New[int64, common.Address](nil)
 	for addr, list := range pool.pending {
 		// Only evict transactions from high rollers
 		if !pool.locals.contains(addr) && uint64(list.Len()) > pool.config.AccountSlots {
@@ -1604,12 +1678,12 @@ func (pool *TxPool) truncatePending() {
 	for pending > pool.config.GlobalSlots && !spammers.Empty() {
 		// Retrieve the next offender if not local address
 		offender, _ := spammers.Pop()
-		offenders = append(offenders, offender.(common.Address))
+		offenders = append(offenders, offender)
 
 		// Equalize balances until all the same or below threshold
 		if len(offenders) > 1 {
 			// Calculate the equalization threshold for all current offenders
-			threshold := pool.pending[offender.(common.Address)].Len()
+			threshold := pool.pending[offender].Len()
 
 			// Iteratively reduce all offenders until below limit or threshold reached
 			for pending > pool.config.GlobalSlots && pool.pending[offenders[len(offenders)-2]].Len() > threshold {
@@ -1762,7 +1836,6 @@ func (pool *TxPool) demoteUnexecutables() {
 				// Internal shuffle shouldn't touch the lookup set.
 				pool.enqueueTx(hash, tx, false, false)
 			}
-			// This might happen in a reorg, so log it to the metering
 			pendingGauge.Dec(int64(len(gapped)))
 		}
 		// Delete the entire pending entry if it became empty.
@@ -1779,7 +1852,7 @@ func (pool *TxPool) startPeriodicFeeUpdate() {
 
 	// Call updateBaseFee here to ensure that there is not a [baseFeeUpdateInterval] delay
 	// when starting up in Subnet EVM before the base fee is updated.
-	if time.Now().After(time.Unix(pool.chainconfig.SubnetEVMTimestamp.Int64(), 0)) {
+	if time.Now().After(utils.Uint64ToTime(pool.chainconfig.SubnetEVMTimestamp)) {
 		pool.updateBaseFee()
 	}
 
@@ -1792,7 +1865,7 @@ func (pool *TxPool) periodicBaseFeeUpdate() {
 
 	// Sleep until its time to start the periodic base fee update or the tx pool is shutting down
 	select {
-	case <-time.After(time.Until(time.Unix(pool.chainconfig.SubnetEVMTimestamp.Int64(), 0))):
+	case <-time.After(time.Until(utils.Uint64ToTime(pool.chainconfig.SubnetEVMTimestamp))):
 	case <-pool.generalShutdownChan:
 		return // Return early if shutting down
 	}
@@ -1857,7 +1930,7 @@ type accountSet struct {
 // derivations.
 func newAccountSet(signer types.Signer, addrs ...common.Address) *accountSet {
 	as := &accountSet{
-		accounts: make(map[common.Address]struct{}),
+		accounts: make(map[common.Address]struct{}, len(addrs)),
 		signer:   signer,
 	}
 	for _, addr := range addrs {
@@ -1915,7 +1988,7 @@ func (as *accountSet) merge(other *accountSet) {
 	as.cache = nil
 }
 
-// txLookup is used internally by TxPool to track transactions while allowing
+// lookup is used internally by TxPool to track transactions while allowing
 // lookup without mutex contention.
 //
 // Note, although this type is properly protected against concurrent access, it
@@ -1927,16 +2000,16 @@ func (as *accountSet) merge(other *accountSet) {
 //
 // This lookup set combines the notion of "local transactions", which is useful
 // to build upper-level structure.
-type txLookup struct {
+type lookup struct {
 	slots   int
 	lock    sync.RWMutex
 	locals  map[common.Hash]*types.Transaction
 	remotes map[common.Hash]*types.Transaction
 }
 
-// newTxLookup returns a new txLookup structure.
-func newTxLookup() *txLookup {
-	return &txLookup{
+// newLookup returns a new lookup structure.
+func newLookup() *lookup {
+	return &lookup{
 		locals:  make(map[common.Hash]*types.Transaction),
 		remotes: make(map[common.Hash]*types.Transaction),
 	}
@@ -1945,7 +2018,7 @@ func newTxLookup() *txLookup {
 // Range calls f on each key and value present in the map. The callback passed
 // should return the indicator whether the iteration needs to be continued.
 // Callers need to specify which set (or both) to be iterated.
-func (t *txLookup) Range(f func(hash common.Hash, tx *types.Transaction, local bool) bool, local bool, remote bool) {
+func (t *lookup) Range(f func(hash common.Hash, tx *types.Transaction, local bool) bool, local bool, remote bool) {
 	t.lock.RLock()
 	defer t.lock.RUnlock()
 
@@ -1966,7 +2039,7 @@ func (t *txLookup) Range(f func(hash common.Hash, tx *types.Transaction, local b
 }
 
 // Get returns a transaction if it exists in the lookup, or nil if not found.
-func (t *txLookup) Get(hash common.Hash) *types.Transaction {
+func (t *lookup) Get(hash common.Hash) *types.Transaction {
 	t.lock.RLock()
 	defer t.lock.RUnlock()
 
@@ -1977,7 +2050,7 @@ func (t *txLookup) Get(hash common.Hash) *types.Transaction {
 }
 
 // GetLocal returns a transaction if it exists in the lookup, or nil if not found.
-func (t *txLookup) GetLocal(hash common.Hash) *types.Transaction {
+func (t *lookup) GetLocal(hash common.Hash) *types.Transaction {
 	t.lock.RLock()
 	defer t.lock.RUnlock()
 
@@ -1985,7 +2058,7 @@ func (t *txLookup) GetLocal(hash common.Hash) *types.Transaction {
 }
 
 // GetRemote returns a transaction if it exists in the lookup, or nil if not found.
-func (t *txLookup) GetRemote(hash common.Hash) *types.Transaction {
+func (t *lookup) GetRemote(hash common.Hash) *types.Transaction {
 	t.lock.RLock()
 	defer t.lock.RUnlock()
 
@@ -1993,7 +2066,7 @@ func (t *txLookup) GetRemote(hash common.Hash) *types.Transaction {
 }
 
 // Count returns the current number of transactions in the lookup.
-func (t *txLookup) Count() int {
+func (t *lookup) Count() int {
 	t.lock.RLock()
 	defer t.lock.RUnlock()
 
@@ -2001,7 +2074,7 @@ func (t *txLookup) Count() int {
 }
 
 // LocalCount returns the current number of local transactions in the lookup.
-func (t *txLookup) LocalCount() int {
+func (t *lookup) LocalCount() int {
 	t.lock.RLock()
 	defer t.lock.RUnlock()
 
@@ -2009,7 +2082,7 @@ func (t *txLookup) LocalCount() int {
 }
 
 // RemoteCount returns the current number of remote transactions in the lookup.
-func (t *txLookup) RemoteCount() int {
+func (t *lookup) RemoteCount() int {
 	t.lock.RLock()
 	defer t.lock.RUnlock()
 
@@ -2017,7 +2090,7 @@ func (t *txLookup) RemoteCount() int {
 }
 
 // Slots returns the current number of slots used in the lookup.
-func (t *txLookup) Slots() int {
+func (t *lookup) Slots() int {
 	t.lock.RLock()
 	defer t.lock.RUnlock()
 
@@ -2025,7 +2098,7 @@ func (t *txLookup) Slots() int {
 }
 
 // Add adds a transaction to the lookup.
-func (t *txLookup) Add(tx *types.Transaction, local bool) {
+func (t *lookup) Add(tx *types.Transaction, local bool) {
 	t.lock.Lock()
 	defer t.lock.Unlock()
 
@@ -2040,7 +2113,7 @@ func (t *txLookup) Add(tx *types.Transaction, local bool) {
 }
 
 // Remove removes a transaction from the lookup.
-func (t *txLookup) Remove(hash common.Hash) {
+func (t *lookup) Remove(hash common.Hash) {
 	t.lock.Lock()
 	defer t.lock.Unlock()
 
@@ -2061,7 +2134,7 @@ func (t *txLookup) Remove(hash common.Hash) {
 
 // RemoteToLocals migrates the transactions belongs to the given locals to locals
 // set. The assumption is held the locals set is thread-safe to be used.
-func (t *txLookup) RemoteToLocals(locals *accountSet) int {
+func (t *lookup) RemoteToLocals(locals *accountSet) int {
 	t.lock.Lock()
 	defer t.lock.Unlock()
 
@@ -2077,7 +2150,7 @@ func (t *txLookup) RemoteToLocals(locals *accountSet) int {
 }
 
 // RemotesBelowTip finds all remote transactions below the given tip threshold.
-func (t *txLookup) RemotesBelowTip(threshold *big.Int) types.Transactions {
+func (t *lookup) RemotesBelowTip(threshold *big.Int) types.Transactions {
 	found := make(types.Transactions, 0, 128)
 	t.Range(func(hash common.Hash, tx *types.Transaction, local bool) bool {
 		if tx.GasTipCapIntCmp(threshold) < 0 {
diff --git a/core/txpool/txpool2_test.go b/core/txpool/txpool2_test.go
new file mode 100644
index 0000000000..e7dbebac5c
--- /dev/null
+++ b/core/txpool/txpool2_test.go
@@ -0,0 +1,222 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2023 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+package txpool
+
+import (
+	"crypto/ecdsa"
+	"math/big"
+	"testing"
+
+	"github.com/ava-labs/subnet-evm/core/rawdb"
+	"github.com/ava-labs/subnet-evm/core/state"
+	"github.com/ava-labs/subnet-evm/core/types"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/event"
+)
+
+func pricedValuedTransaction(nonce uint64, value int64, gaslimit uint64, gasprice *big.Int, key *ecdsa.PrivateKey) *types.Transaction {
+	tx, _ := types.SignTx(types.NewTransaction(nonce, common.Address{}, big.NewInt(value), gaslimit, gasprice, nil), types.HomesteadSigner{}, key)
+	return tx
+}
+
+func count(t *testing.T, pool *TxPool) (pending int, queued int) {
+	t.Helper()
+	pending, queued = pool.stats()
+	if err := validatePoolInternals(pool); err != nil {
+		t.Fatalf("pool internal state corrupted: %v", err)
+	}
+	return pending, queued
+}
+
+func fillPool(t *testing.T, pool *TxPool) {
+	t.Helper()
+	// Create a number of test accounts, fund them and make transactions
+	executableTxs := types.Transactions{}
+	nonExecutableTxs := types.Transactions{}
+	for i := 0; i < 384; i++ {
+		key, _ := crypto.GenerateKey()
+		pool.currentState.AddBalance(crypto.PubkeyToAddress(key.PublicKey), big.NewInt(10000000000))
+		// Add executable ones
+		for j := 0; j < int(pool.config.AccountSlots); j++ {
+			executableTxs = append(executableTxs, pricedTransaction(uint64(j), 100000, big.NewInt(300), key))
+		}
+	}
+	// Import the batch and verify that limits have been enforced
+	pool.AddRemotesSync(executableTxs)
+	pool.AddRemotesSync(nonExecutableTxs)
+	pending, queued := pool.Stats()
+	slots := pool.all.Slots()
+	// sanity-check that the test prerequisites are ok (pending full)
+	if have, want := pending, slots; have != want {
+		t.Fatalf("have %d, want %d", have, want)
+	}
+	if have, want := queued, 0; have != want {
+		t.Fatalf("have %d, want %d", have, want)
+	}
+
+	t.Logf("pool.config: GlobalSlots=%d, GlobalQueue=%d\n", pool.config.GlobalSlots, pool.config.GlobalQueue)
+	t.Logf("pending: %d queued: %d, all: %d\n", pending, queued, slots)
+}
+
+// Tests that if a batch high-priced of non-executables arrive, they do not kick out
+// executable transactions
+func TestTransactionFutureAttack(t *testing.T) {
+	t.Parallel()
+
+	// Create the pool to test the limit enforcement with
+	statedb, _ := state.New(common.Hash{}, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
+	blockchain := newTestBlockchain(statedb, 1000000, new(event.Feed))
+	config := testTxPoolConfig
+	config.GlobalQueue = 100
+	config.GlobalSlots = 100
+	pool := NewTxPool(config, eip1559Config, blockchain)
+	defer pool.Stop()
+	fillPool(t, pool)
+	pending, _ := pool.Stats()
+	// Now, future transaction attack starts, let's add a bunch of expensive non-executables, and see if the pending-count drops
+	{
+		key, _ := crypto.GenerateKey()
+		pool.currentState.AddBalance(crypto.PubkeyToAddress(key.PublicKey), big.NewInt(100000000000))
+		futureTxs := types.Transactions{}
+		for j := 0; j < int(pool.config.GlobalSlots+pool.config.GlobalQueue); j++ {
+			futureTxs = append(futureTxs, pricedTransaction(1000+uint64(j), 100000, big.NewInt(500), key))
+		}
+		for i := 0; i < 5; i++ {
+			pool.AddRemotesSync(futureTxs)
+			newPending, newQueued := count(t, pool)
+			t.Logf("pending: %d queued: %d, all: %d\n", newPending, newQueued, pool.all.Slots())
+		}
+	}
+	newPending, _ := pool.Stats()
+	// Pending should not have been touched
+	if have, want := newPending, pending; have < want {
+		t.Errorf("wrong pending-count, have %d, want %d (GlobalSlots: %d)",
+			have, want, pool.config.GlobalSlots)
+	}
+}
+
+// Tests that if a batch high-priced of non-executables arrive, they do not kick out
+// executable transactions
+func TestTransactionFuture1559(t *testing.T) {
+	t.Parallel()
+	// Create the pool to test the pricing enforcement with
+	statedb, _ := state.New(common.Hash{}, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
+	blockchain := newTestBlockchain(statedb, 1000000, new(event.Feed))
+	pool := NewTxPool(testTxPoolConfig, eip1559Config, blockchain)
+	defer pool.Stop()
+
+	// Create a number of test accounts, fund them and make transactions
+	fillPool(t, pool)
+	pending, _ := pool.Stats()
+
+	// Now, future transaction attack starts, let's add a bunch of expensive non-executables, and see if the pending-count drops
+	{
+		key, _ := crypto.GenerateKey()
+		pool.currentState.AddBalance(crypto.PubkeyToAddress(key.PublicKey), big.NewInt(100000000000))
+		futureTxs := types.Transactions{}
+		for j := 0; j < int(pool.config.GlobalSlots+pool.config.GlobalQueue); j++ {
+			futureTxs = append(futureTxs, dynamicFeeTx(1000+uint64(j), 100000, big.NewInt(200), big.NewInt(101), key))
+		}
+		pool.AddRemotesSync(futureTxs)
+	}
+	newPending, _ := pool.Stats()
+	// Pending should not have been touched
+	if have, want := newPending, pending; have != want {
+		t.Errorf("Wrong pending-count, have %d, want %d (GlobalSlots: %d)",
+			have, want, pool.config.GlobalSlots)
+	}
+}
+
+// Tests that if a batch of balance-overdraft txs arrive, they do not kick out
+// executable transactions
+func TestTransactionZAttack(t *testing.T) {
+	t.Parallel()
+	// Create the pool to test the pricing enforcement with
+	statedb, _ := state.New(common.Hash{}, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
+	blockchain := newTestBlockchain(statedb, 1000000, new(event.Feed))
+	pool := NewTxPool(testTxPoolConfig, eip1559Config, blockchain)
+	defer pool.Stop()
+	// Create a number of test accounts, fund them and make transactions
+	fillPool(t, pool)
+
+	countInvalidPending := func() int {
+		t.Helper()
+		var ivpendingNum int
+		pendingtxs, _ := pool.Content()
+		for account, txs := range pendingtxs {
+			cur_balance := new(big.Int).Set(pool.currentState.GetBalance(account))
+			for _, tx := range txs {
+				if cur_balance.Cmp(tx.Value()) <= 0 {
+					ivpendingNum++
+				} else {
+					cur_balance.Sub(cur_balance, tx.Value())
+				}
+			}
+		}
+		if err := validatePoolInternals(pool); err != nil {
+			t.Fatalf("pool internal state corrupted: %v", err)
+		}
+		return ivpendingNum
+	}
+	ivPending := countInvalidPending()
+	t.Logf("invalid pending: %d\n", ivPending)
+
+	// Now, DETER-Z attack starts, let's add a bunch of expensive non-executables (from N accounts) along with balance-overdraft txs (from one account), and see if the pending-count drops
+	for j := 0; j < int(pool.config.GlobalQueue); j++ {
+		futureTxs := types.Transactions{}
+		key, _ := crypto.GenerateKey()
+		pool.currentState.AddBalance(crypto.PubkeyToAddress(key.PublicKey), big.NewInt(100000000000))
+		futureTxs = append(futureTxs, pricedTransaction(1000+uint64(j), 21000, big.NewInt(500), key))
+		pool.AddRemotesSync(futureTxs)
+	}
+
+	overDraftTxs := types.Transactions{}
+	{
+		key, _ := crypto.GenerateKey()
+		pool.currentState.AddBalance(crypto.PubkeyToAddress(key.PublicKey), big.NewInt(100000000000))
+		for j := 0; j < int(pool.config.GlobalSlots); j++ {
+			overDraftTxs = append(overDraftTxs, pricedValuedTransaction(uint64(j), 60000000000, 21000, big.NewInt(500), key))
+		}
+	}
+	pool.AddRemotesSync(overDraftTxs)
+	pool.AddRemotesSync(overDraftTxs)
+	pool.AddRemotesSync(overDraftTxs)
+	pool.AddRemotesSync(overDraftTxs)
+	pool.AddRemotesSync(overDraftTxs)
+
+	newPending, newQueued := count(t, pool)
+	newIvPending := countInvalidPending()
+	t.Logf("pool.all.Slots(): %d\n", pool.all.Slots())
+	t.Logf("pending: %d queued: %d, all: %d\n", newPending, newQueued, pool.all.Slots())
+	t.Logf("invalid pending: %d\n", newIvPending)
+
+	// Pending should not have been touched
+	if newIvPending != ivPending {
+		t.Errorf("Wrong invalid pending-count, have %d, want %d (GlobalSlots: %d, queued: %d)",
+			newIvPending, ivPending, pool.config.GlobalSlots, newQueued)
+	}
+}
diff --git a/core/tx_pool_test.go b/core/txpool/txpool_test.go
similarity index 91%
rename from core/tx_pool_test.go
rename to core/txpool/txpool_test.go
index 0bda4b1007..1f2f34356d 100644
--- a/core/tx_pool_test.go
+++ b/core/txpool/txpool_test.go
@@ -24,10 +24,11 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package core
+package txpool
 
 import (
 	"crypto/ecdsa"
+	crand "crypto/rand"
 	"errors"
 	"fmt"
 	"math/big"
@@ -39,11 +40,13 @@ import (
 	"time"
 
 	"github.com/ava-labs/subnet-evm/commontype"
+	"github.com/ava-labs/subnet-evm/core"
 	"github.com/ava-labs/subnet-evm/core/rawdb"
 	"github.com/ava-labs/subnet-evm/core/state"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ava-labs/subnet-evm/trie"
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/event"
@@ -53,7 +56,7 @@ import (
 var (
 	// testTxPoolConfig is a transaction pool configuration without stateful disk
 	// sideeffects used during testing.
-	testTxPoolConfig TxPoolConfig
+	testTxPoolConfig Config
 
 	// eip1559Config is a chain config with EIP-1559 enabled at block 0.
 	eip1559Config *params.ChainConfig
@@ -73,12 +76,12 @@ var (
 )
 
 func init() {
-	testTxPoolConfig = DefaultTxPoolConfig
+	testTxPoolConfig = DefaultConfig
 	testTxPoolConfig.Journal = ""
 
 	cpy := *params.TestChainConfig
 	eip1559Config = &cpy
-	eip1559Config.SubnetEVMTimestamp = common.Big0
+	eip1559Config.SubnetEVMTimestamp = utils.NewUint64(0)
 }
 
 type testBlockChain struct {
@@ -105,17 +108,18 @@ func (bc *testBlockChain) reset(statedb *state.StateDB, gasLimit uint64, chainHe
 	bc.chainHeadFeed = chainHeadFeed
 }
 
-func (bc *testBlockChain) CurrentBlock() *types.Block {
+func (bc *testBlockChain) CurrentBlock() *types.Header {
 	bc.lock.Lock()
 	defer bc.lock.Unlock()
 
-	return types.NewBlock(&types.Header{
+	return &types.Header{
+		Number:   new(big.Int),
 		GasLimit: bc.gasLimit,
-	}, nil, nil, nil, trie.NewStackTrie(nil))
+	}
 }
 
 func (bc *testBlockChain) GetBlock(hash common.Hash, number uint64) *types.Block {
-	return bc.CurrentBlock()
+	return types.NewBlock(bc.CurrentBlock(), nil, nil, nil, trie.NewStackTrie(nil))
 }
 
 func (bc *testBlockChain) StateAt(common.Hash) (*state.StateDB, error) {
@@ -125,7 +129,7 @@ func (bc *testBlockChain) StateAt(common.Hash) (*state.StateDB, error) {
 	return bc.statedb, nil
 }
 
-func (bc *testBlockChain) SubscribeChainHeadEvent(ch chan<- ChainHeadEvent) event.Subscription {
+func (bc *testBlockChain) SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription {
 	bc.lock.Lock()
 	defer bc.lock.Unlock()
 
@@ -136,8 +140,8 @@ func (bc *testBlockChain) GetFeeConfigAt(parent *types.Header) (commontype.FeeCo
 	return testFeeConfig, common.Big0, nil
 }
 
-func (bc *testBlockChain) SenderCacher() *TxSenderCacher {
-	return newTxSenderCacher(1)
+func (bc *testBlockChain) SenderCacher() *core.TxSenderCacher {
+	return core.NewTxSenderCacher(1)
 }
 
 func transaction(nonce uint64, gaslimit uint64, key *ecdsa.PrivateKey) *types.Transaction {
@@ -151,7 +155,7 @@ func pricedTransaction(nonce uint64, gaslimit uint64, gasprice *big.Int, key *ec
 
 func pricedDataTransaction(nonce uint64, gaslimit uint64, gasprice *big.Int, key *ecdsa.PrivateKey, bytes uint64) *types.Transaction {
 	data := make([]byte, bytes)
-	rand.Read(data)
+	crand.Read(data)
 
 	tx, _ := types.SignTx(types.NewTransaction(nonce, common.Address{}, big.NewInt(0), gaslimit, gasprice, data), types.HomesteadSigner{}, key)
 	return tx
@@ -172,11 +176,11 @@ func dynamicFeeTx(nonce uint64, gaslimit uint64, gasFee *big.Int, tip *big.Int,
 	return tx
 }
 
-func setupTxPool() (*TxPool, *ecdsa.PrivateKey) {
-	return setupTxPoolWithConfig(params.TestChainConfig)
+func setupPool() (*TxPool, *ecdsa.PrivateKey) {
+	return setupPoolWithConfig(params.TestChainConfig)
 }
 
-func setupTxPoolWithConfig(config *params.ChainConfig) (*TxPool, *ecdsa.PrivateKey) {
+func setupPoolWithConfig(config *params.ChainConfig) (*TxPool, *ecdsa.PrivateKey) {
 	statedb, _ := state.New(common.Hash{}, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
 	blockchain := newTestBlockchain(statedb, 10000000, new(event.Feed))
 
@@ -188,8 +192,8 @@ func setupTxPoolWithConfig(config *params.ChainConfig) (*TxPool, *ecdsa.PrivateK
 	return pool, key
 }
 
-// validateTxPoolInternals checks various consistency invariants within the pool.
-func validateTxPoolInternals(pool *TxPool) error {
+// validatePoolInternals checks various consistency invariants within the pool.
+func validatePoolInternals(pool *TxPool) error {
 	pool.mu.RLock()
 	defer pool.mu.RUnlock()
 
@@ -215,13 +219,16 @@ func validateTxPoolInternals(pool *TxPool) error {
 		if nonce := pool.pendingNonces.get(addr); nonce != last+1 {
 			return fmt.Errorf("pending nonce mismatch: have %v, want %v", nonce, last+1)
 		}
+		if txs.totalcost.Cmp(common.Big0) < 0 {
+			return fmt.Errorf("totalcost went negative: %v", txs.totalcost)
+		}
 	}
 	return nil
 }
 
 // validateEvents checks that the correct number of transaction addition events
 // were fired on the pool's event feed.
-func validateEvents(events chan NewTxsEvent, count int) error {
+func validateEvents(events chan core.NewTxsEvent, count int) error {
 	var received []*types.Transaction
 
 	for len(received) < count {
@@ -278,7 +285,7 @@ func (c *testChain) State() (*state.StateDB, error) {
 // This test simulates a scenario where a new block is imported during a
 // state reset and tests whether the pending state is in sync with the
 // block head event that initiated the resetState().
-func TestStateChangeDuringTransactionPoolReset(t *testing.T) {
+func TestStateChangeDuringReset(t *testing.T) {
 	t.Parallel()
 
 	var (
@@ -335,28 +342,28 @@ func testSetNonce(pool *TxPool, addr common.Address, nonce uint64) {
 func TestInvalidTransactions(t *testing.T) {
 	t.Parallel()
 
-	pool, key := setupTxPool()
+	pool, key := setupPool()
 	defer pool.Stop()
 
 	tx := transaction(0, 100, key)
 	from, _ := deriveSender(tx)
 
 	testAddBalance(pool, from, big.NewInt(1))
-	if err := pool.AddRemote(tx); !errors.Is(err, ErrInsufficientFunds) {
-		t.Error("expected", ErrInsufficientFunds)
+	if err := pool.AddRemote(tx); !errors.Is(err, core.ErrInsufficientFunds) {
+		t.Error("expected", core.ErrInsufficientFunds)
 	}
 
 	balance := new(big.Int).Add(tx.Value(), new(big.Int).Mul(new(big.Int).SetUint64(tx.Gas()), tx.GasPrice()))
 	testAddBalance(pool, from, balance)
-	if err := pool.AddRemote(tx); !errors.Is(err, ErrIntrinsicGas) {
-		t.Error("expected", ErrIntrinsicGas, "got", err)
+	if err := pool.AddRemote(tx); !errors.Is(err, core.ErrIntrinsicGas) {
+		t.Error("expected", core.ErrIntrinsicGas, "got", err)
 	}
 
 	testSetNonce(pool, from, 1)
 	testAddBalance(pool, from, big.NewInt(0xffffffffffffff))
 	tx = transaction(0, 100000, key)
-	if err := pool.AddRemote(tx); !errors.Is(err, ErrNonceTooLow) {
-		t.Error("expected", ErrNonceTooLow)
+	if err := pool.AddRemote(tx); !errors.Is(err, core.ErrNonceTooLow) {
+		t.Error("expected", core.ErrNonceTooLow)
 	}
 
 	tx = transaction(1, 100000, key)
@@ -369,10 +376,10 @@ func TestInvalidTransactions(t *testing.T) {
 	}
 }
 
-func TestTransactionQueue(t *testing.T) {
+func TestQueue(t *testing.T) {
 	t.Parallel()
 
-	pool, key := setupTxPool()
+	pool, key := setupPool()
 	defer pool.Stop()
 
 	tx := transaction(0, 100, key)
@@ -400,10 +407,10 @@ func TestTransactionQueue(t *testing.T) {
 	}
 }
 
-func TestTransactionQueue2(t *testing.T) {
+func TestQueue2(t *testing.T) {
 	t.Parallel()
 
-	pool, key := setupTxPool()
+	pool, key := setupPool()
 	defer pool.Stop()
 
 	tx1 := transaction(0, 100, key)
@@ -426,10 +433,10 @@ func TestTransactionQueue2(t *testing.T) {
 	}
 }
 
-func TestTransactionNegativeValue(t *testing.T) {
+func TestNegativeValue(t *testing.T) {
 	t.Parallel()
 
-	pool, key := setupTxPool()
+	pool, key := setupPool()
 	defer pool.Stop()
 
 	tx, _ := types.SignTx(types.NewTransaction(0, common.Address{}, big.NewInt(-1), 100, big.NewInt(1), nil), types.HomesteadSigner{}, key)
@@ -440,43 +447,43 @@ func TestTransactionNegativeValue(t *testing.T) {
 	}
 }
 
-func TestTransactionTipAboveFeeCap(t *testing.T) {
+func TestTipAboveFeeCap(t *testing.T) {
 	t.Parallel()
 
-	pool, key := setupTxPoolWithConfig(eip1559Config)
+	pool, key := setupPoolWithConfig(eip1559Config)
 	defer pool.Stop()
 
 	tx := dynamicFeeTx(0, 100, big.NewInt(1), big.NewInt(2), key)
 
-	if err := pool.AddRemote(tx); err != ErrTipAboveFeeCap {
-		t.Error("expected", ErrTipAboveFeeCap, "got", err)
+	if err := pool.AddRemote(tx); err != core.ErrTipAboveFeeCap {
+		t.Error("expected", core.ErrTipAboveFeeCap, "got", err)
 	}
 }
 
-func TestTransactionVeryHighValues(t *testing.T) {
+func TestVeryHighValues(t *testing.T) {
 	t.Parallel()
 
-	pool, key := setupTxPoolWithConfig(eip1559Config)
+	pool, key := setupPoolWithConfig(eip1559Config)
 	defer pool.Stop()
 
 	veryBigNumber := big.NewInt(1)
 	veryBigNumber.Lsh(veryBigNumber, 300)
 
 	tx := dynamicFeeTx(0, 100, big.NewInt(1), veryBigNumber, key)
-	if err := pool.AddRemote(tx); err != ErrTipVeryHigh {
-		t.Error("expected", ErrTipVeryHigh, "got", err)
+	if err := pool.AddRemote(tx); err != core.ErrTipVeryHigh {
+		t.Error("expected", core.ErrTipVeryHigh, "got", err)
 	}
 
 	tx2 := dynamicFeeTx(0, 100, veryBigNumber, big.NewInt(1), key)
-	if err := pool.AddRemote(tx2); err != ErrFeeCapVeryHigh {
-		t.Error("expected", ErrFeeCapVeryHigh, "got", err)
+	if err := pool.AddRemote(tx2); err != core.ErrFeeCapVeryHigh {
+		t.Error("expected", core.ErrFeeCapVeryHigh, "got", err)
 	}
 }
 
-func TestTransactionChainFork(t *testing.T) {
+func TestChainFork(t *testing.T) {
 	t.Parallel()
 
-	pool, key := setupTxPool()
+	pool, key := setupPool()
 	defer pool.Stop()
 
 	addr := crypto.PubkeyToAddress(key.PublicKey)
@@ -502,10 +509,10 @@ func TestTransactionChainFork(t *testing.T) {
 	}
 }
 
-func TestTransactionDoubleNonce(t *testing.T) {
+func TestDoubleNonce(t *testing.T) {
 	t.Parallel()
 
-	pool, key := setupTxPool()
+	pool, key := setupPool()
 	defer pool.Stop()
 
 	addr := crypto.PubkeyToAddress(key.PublicKey)
@@ -553,10 +560,10 @@ func TestTransactionDoubleNonce(t *testing.T) {
 	}
 }
 
-func TestTransactionMissingNonce(t *testing.T) {
+func TestMissingNonce(t *testing.T) {
 	t.Parallel()
 
-	pool, key := setupTxPool()
+	pool, key := setupPool()
 	defer pool.Stop()
 
 	addr := crypto.PubkeyToAddress(key.PublicKey)
@@ -576,11 +583,11 @@ func TestTransactionMissingNonce(t *testing.T) {
 	}
 }
 
-func TestTransactionNonceRecovery(t *testing.T) {
+func TestNonceRecovery(t *testing.T) {
 	t.Parallel()
 
 	const n = 10
-	pool, key := setupTxPool()
+	pool, key := setupPool()
 	defer pool.Stop()
 
 	addr := crypto.PubkeyToAddress(key.PublicKey)
@@ -602,11 +609,11 @@ func TestTransactionNonceRecovery(t *testing.T) {
 
 // Tests that if an account runs out of funds, any pending and queued transactions
 // are dropped.
-func TestTransactionDropping(t *testing.T) {
+func TestDropping(t *testing.T) {
 	t.Parallel()
 
 	// Create a test account and fund it
-	pool, key := setupTxPool()
+	pool, key := setupPool()
 	defer pool.Stop()
 
 	account := crypto.PubkeyToAddress(key.PublicKey)
@@ -707,7 +714,7 @@ func TestTransactionDropping(t *testing.T) {
 // Tests that if a transaction is dropped from the current pending pool (e.g. out
 // of fund), all consecutive (still valid, but not executable) transactions are
 // postponed back into the future queue to prevent broadcasting them.
-func TestTransactionPostponing(t *testing.T) {
+func TestPostponing(t *testing.T) {
 	t.Parallel()
 
 	// Create the pool to test the postponing with
@@ -820,18 +827,18 @@ func TestTransactionPostponing(t *testing.T) {
 // Tests that if the transaction pool has both executable and non-executable
 // transactions from an origin account, filling the nonce gap moves all queued
 // ones into the pending pool.
-func TestTransactionGapFilling(t *testing.T) {
+func TestGapFilling(t *testing.T) {
 	t.Parallel()
 
 	// Create a test account and fund it
-	pool, key := setupTxPool()
+	pool, key := setupPool()
 	defer pool.Stop()
 
 	account := crypto.PubkeyToAddress(key.PublicKey)
 	testAddBalance(pool, account, big.NewInt(1000000))
 
 	// Keep track of transaction events to ensure all executables get announced
-	events := make(chan NewTxsEvent, testTxPoolConfig.AccountQueue+5)
+	events := make(chan core.NewTxsEvent, testTxPoolConfig.AccountQueue+5)
 	sub := pool.txFeed.Subscribe(events)
 	defer sub.Unsubscribe()
 
@@ -850,7 +857,7 @@ func TestTransactionGapFilling(t *testing.T) {
 	if err := validateEvents(events, 1); err != nil {
 		t.Fatalf("original event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 	// Fill the nonce gap and ensure all transactions become pending
@@ -867,18 +874,18 @@ func TestTransactionGapFilling(t *testing.T) {
 	if err := validateEvents(events, 2); err != nil {
 		t.Fatalf("gap-filling event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 }
 
 // Tests that if the transaction count belonging to a single account goes above
 // some threshold, the higher transactions are dropped to prevent DOS attacks.
-func TestTransactionQueueAccountLimiting(t *testing.T) {
+func TestQueueAccountLimiting(t *testing.T) {
 	t.Parallel()
 
 	// Create a test account and fund it
-	pool, key := setupTxPool()
+	pool, key := setupPool()
 	defer pool.Stop()
 
 	account := crypto.PubkeyToAddress(key.PublicKey)
@@ -912,14 +919,14 @@ func TestTransactionQueueAccountLimiting(t *testing.T) {
 //
 // This logic should not hold for local transactions, unless the local tracking
 // mechanism is disabled.
-func TestTransactionQueueGlobalLimiting(t *testing.T) {
-	testTransactionQueueGlobalLimiting(t, false)
+func TestQueueGlobalLimiting(t *testing.T) {
+	testQueueGlobalLimiting(t, false)
 }
-func TestTransactionQueueGlobalLimitingNoLocals(t *testing.T) {
-	testTransactionQueueGlobalLimiting(t, true)
+func TestQueueGlobalLimitingNoLocals(t *testing.T) {
+	testQueueGlobalLimiting(t, true)
 }
 
-func testTransactionQueueGlobalLimiting(t *testing.T, nolocals bool) {
+func testQueueGlobalLimiting(t *testing.T, nolocals bool) {
 	t.Parallel()
 
 	// Create the pool to test the limit enforcement with
@@ -1002,14 +1009,14 @@ func testTransactionQueueGlobalLimiting(t *testing.T, nolocals bool) {
 //
 // This logic should not hold for local transactions, unless the local tracking
 // mechanism is disabled.
-func TestTransactionQueueTimeLimiting(t *testing.T) {
-	testTransactionQueueTimeLimiting(t, false)
+func TestQueueTimeLimiting(t *testing.T) {
+	testQueueTimeLimiting(t, false)
 }
-func TestTransactionQueueTimeLimitingNoLocals(t *testing.T) {
-	testTransactionQueueTimeLimiting(t, true)
+func TestQueueTimeLimitingNoLocals(t *testing.T) {
+	testQueueTimeLimiting(t, true)
 }
 
-func testTransactionQueueTimeLimiting(t *testing.T, nolocals bool) {
+func testQueueTimeLimiting(t *testing.T, nolocals bool) {
 	// Reduce the eviction interval to a testable amount
 	defer func(old time.Duration) { evictionInterval = old }(evictionInterval)
 	evictionInterval = time.Millisecond * 100
@@ -1046,7 +1053,7 @@ func testTransactionQueueTimeLimiting(t *testing.T, nolocals bool) {
 	if queued != 2 {
 		t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 2)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 
@@ -1061,7 +1068,7 @@ func testTransactionQueueTimeLimiting(t *testing.T, nolocals bool) {
 	if queued != 2 {
 		t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 2)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 
@@ -1081,7 +1088,7 @@ func testTransactionQueueTimeLimiting(t *testing.T, nolocals bool) {
 			t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 1)
 		}
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 
@@ -1098,7 +1105,7 @@ func testTransactionQueueTimeLimiting(t *testing.T, nolocals bool) {
 	if queued != 0 {
 		t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 0)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 
@@ -1128,7 +1135,7 @@ func testTransactionQueueTimeLimiting(t *testing.T, nolocals bool) {
 	if queued != 2 {
 		t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 3)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 
@@ -1147,7 +1154,7 @@ func testTransactionQueueTimeLimiting(t *testing.T, nolocals bool) {
 			t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 1)
 		}
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 }
@@ -1155,18 +1162,18 @@ func testTransactionQueueTimeLimiting(t *testing.T, nolocals bool) {
 // Tests that even if the transaction count belonging to a single account goes
 // above some threshold, as long as the transactions are executable, they are
 // accepted.
-func TestTransactionPendingLimiting(t *testing.T) {
+func TestPendingLimiting(t *testing.T) {
 	t.Parallel()
 
 	// Create a test account and fund it
-	pool, key := setupTxPool()
+	pool, key := setupPool()
 	defer pool.Stop()
 
 	account := crypto.PubkeyToAddress(key.PublicKey)
-	testAddBalance(pool, account, big.NewInt(1000000))
+	testAddBalance(pool, account, big.NewInt(1000000000000))
 
 	// Keep track of transaction events to ensure all executables get announced
-	events := make(chan NewTxsEvent, testTxPoolConfig.AccountQueue+5)
+	events := make(chan core.NewTxsEvent, testTxPoolConfig.AccountQueue+5)
 	sub := pool.txFeed.Subscribe(events)
 	defer sub.Unsubscribe()
 
@@ -1188,7 +1195,7 @@ func TestTransactionPendingLimiting(t *testing.T) {
 	if err := validateEvents(events, int(testTxPoolConfig.AccountQueue+5)); err != nil {
 		t.Fatalf("event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 }
@@ -1196,7 +1203,7 @@ func TestTransactionPendingLimiting(t *testing.T) {
 // Tests that if the transaction count belonging to multiple accounts go above
 // some hard threshold, the higher transactions are dropped to prevent DOS
 // attacks.
-func TestTransactionPendingGlobalLimiting(t *testing.T) {
+func TestPendingGlobalLimiting(t *testing.T) {
 	t.Parallel()
 
 	// Create the pool to test the limit enforcement with
@@ -1236,7 +1243,7 @@ func TestTransactionPendingGlobalLimiting(t *testing.T) {
 	if pending > int(config.GlobalSlots) {
 		t.Fatalf("total pending transactions overflow allowance: %d > %d", pending, config.GlobalSlots)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 }
@@ -1244,11 +1251,11 @@ func TestTransactionPendingGlobalLimiting(t *testing.T) {
 // Test the limit on transaction size is enforced correctly.
 // This test verifies every transaction having allowed size
 // is added to the pool, and longer transactions are rejected.
-func TestTransactionAllowedTxSize(t *testing.T) {
+func TestAllowedTxSize(t *testing.T) {
 	t.Parallel()
 
 	// Create a test account and fund it
-	pool, key := setupTxPool()
+	pool, key := setupPool()
 	defer pool.Stop()
 
 	account := crypto.PubkeyToAddress(key.PublicKey)
@@ -1292,13 +1299,13 @@ func TestTransactionAllowedTxSize(t *testing.T) {
 	if queued != 0 {
 		t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 0)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 }
 
 // Tests that if transactions start being capped, transactions are also removed from 'all'
-func TestTransactionCapClearsFromAll(t *testing.T) {
+func TestCapClearsFromAll(t *testing.T) {
 	t.Parallel()
 
 	// Create the pool to test the limit enforcement with
@@ -1324,7 +1331,7 @@ func TestTransactionCapClearsFromAll(t *testing.T) {
 	}
 	// Import the batch and verify that limits have been enforced
 	pool.AddRemotes(txs)
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 }
@@ -1332,7 +1339,7 @@ func TestTransactionCapClearsFromAll(t *testing.T) {
 // Tests that if the transaction count belonging to multiple accounts go above
 // some hard threshold, if they are under the minimum guaranteed slot count then
 // the transactions are still kept.
-func TestTransactionPendingMinimumAllowance(t *testing.T) {
+func TestPendingMinimumAllowance(t *testing.T) {
 	t.Parallel()
 
 	// Create the pool to test the limit enforcement with
@@ -1370,7 +1377,7 @@ func TestTransactionPendingMinimumAllowance(t *testing.T) {
 			t.Errorf("addr %x: total pending transactions mismatch: have %d, want %d", addr, list.Len(), config.AccountSlots)
 		}
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 }
@@ -1380,7 +1387,7 @@ func TestTransactionPendingMinimumAllowance(t *testing.T) {
 // from the pending pool to the queue.
 //
 // Note, local transactions are never allowed to be dropped.
-func TestTransactionPoolRepricing(t *testing.T) {
+func TestRepricing(t *testing.T) {
 	t.Parallel()
 
 	// Create the pool to test the pricing enforcement with
@@ -1391,7 +1398,7 @@ func TestTransactionPoolRepricing(t *testing.T) {
 	defer pool.Stop()
 
 	// Keep track of transaction events to ensure all executables get announced
-	events := make(chan NewTxsEvent, 32)
+	events := make(chan core.NewTxsEvent, 32)
 	sub := pool.txFeed.Subscribe(events)
 	defer sub.Unsubscribe()
 
@@ -1432,7 +1439,7 @@ func TestTransactionPoolRepricing(t *testing.T) {
 	if err := validateEvents(events, 7); err != nil {
 		t.Fatalf("original event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 	// Reprice the pool and check that underpriced transactions get dropped
@@ -1448,7 +1455,7 @@ func TestTransactionPoolRepricing(t *testing.T) {
 	if err := validateEvents(events, 0); err != nil {
 		t.Fatalf("reprice event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 	// Check that we can't add the old transactions back
@@ -1464,7 +1471,7 @@ func TestTransactionPoolRepricing(t *testing.T) {
 	if err := validateEvents(events, 0); err != nil {
 		t.Fatalf("post-reprice event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 	// However we can add local underpriced transactions
@@ -1478,7 +1485,7 @@ func TestTransactionPoolRepricing(t *testing.T) {
 	if err := validateEvents(events, 1); err != nil {
 		t.Fatalf("post-reprice local event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 	// And we can fill gaps with properly priced transactions
@@ -1494,7 +1501,7 @@ func TestTransactionPoolRepricing(t *testing.T) {
 	if err := validateEvents(events, 5); err != nil {
 		t.Fatalf("post-reprice event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 }
@@ -1504,15 +1511,15 @@ func TestTransactionPoolRepricing(t *testing.T) {
 // gapped transactions back from the pending pool to the queue.
 //
 // Note, local transactions are never allowed to be dropped.
-func TestTransactionPoolRepricingDynamicFee(t *testing.T) {
+func TestRepricingDynamicFee(t *testing.T) {
 	t.Parallel()
 
 	// Create the pool to test the pricing enforcement with
-	pool, _ := setupTxPoolWithConfig(eip1559Config)
+	pool, _ := setupPoolWithConfig(eip1559Config)
 	defer pool.Stop()
 
 	// Keep track of transaction events to ensure all executables get announced
-	events := make(chan NewTxsEvent, 32)
+	events := make(chan core.NewTxsEvent, 32)
 	sub := pool.txFeed.Subscribe(events)
 	defer sub.Unsubscribe()
 
@@ -1553,7 +1560,7 @@ func TestTransactionPoolRepricingDynamicFee(t *testing.T) {
 	if err := validateEvents(events, 7); err != nil {
 		t.Fatalf("original event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 	// Reprice the pool and check that underpriced transactions get dropped
@@ -1569,7 +1576,7 @@ func TestTransactionPoolRepricingDynamicFee(t *testing.T) {
 	if err := validateEvents(events, 0); err != nil {
 		t.Fatalf("reprice event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 	// Check that we can't add the old transactions back
@@ -1588,7 +1595,7 @@ func TestTransactionPoolRepricingDynamicFee(t *testing.T) {
 	if err := validateEvents(events, 0); err != nil {
 		t.Fatalf("post-reprice event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 	// However we can add local underpriced transactions
@@ -1602,7 +1609,7 @@ func TestTransactionPoolRepricingDynamicFee(t *testing.T) {
 	if err := validateEvents(events, 1); err != nil {
 		t.Fatalf("post-reprice local event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 	// And we can fill gaps with properly priced transactions
@@ -1621,14 +1628,14 @@ func TestTransactionPoolRepricingDynamicFee(t *testing.T) {
 	if err := validateEvents(events, 5); err != nil {
 		t.Fatalf("post-reprice event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 }
 
 // Tests that setting the transaction pool gas price to a higher value does not
 // remove local transactions (legacy & dynamic fee).
-func TestTransactionPoolRepricingKeepsLocals(t *testing.T) {
+func TestRepricingKeepsLocals(t *testing.T) {
 	t.Parallel()
 
 	// Create the pool to test the pricing enforcement with
@@ -1642,7 +1649,7 @@ func TestTransactionPoolRepricingKeepsLocals(t *testing.T) {
 	keys := make([]*ecdsa.PrivateKey, 3)
 	for i := 0; i < len(keys); i++ {
 		keys[i], _ = crypto.GenerateKey()
-		testAddBalance(pool, crypto.PubkeyToAddress(keys[i].PublicKey), big.NewInt(1000*1000000))
+		testAddBalance(pool, crypto.PubkeyToAddress(keys[i].PublicKey), big.NewInt(100000*1000000))
 	}
 	// Create transaction (both pending and queued) with a linearly growing gasprice
 	for i := uint64(0); i < 500; i++ {
@@ -1679,7 +1686,7 @@ func TestTransactionPoolRepricingKeepsLocals(t *testing.T) {
 			t.Fatalf("queued transactions mismatched: have %d, want %d", queued, expQueued)
 		}
 
-		if err := validateTxPoolInternals(pool); err != nil {
+		if err := validatePoolInternals(pool); err != nil {
 			t.Fatalf("pool internal state corrupted: %v", err)
 		}
 	}
@@ -1701,7 +1708,7 @@ func TestTransactionPoolRepricingKeepsLocals(t *testing.T) {
 // pending transactions are moved into the queue.
 //
 // Note, local transactions are never allowed to be dropped.
-func TestTransactionPoolUnderpricing(t *testing.T) {
+func TestUnderpricing(t *testing.T) {
 	t.Parallel()
 
 	// Create the pool to test the pricing enforcement with
@@ -1716,12 +1723,12 @@ func TestTransactionPoolUnderpricing(t *testing.T) {
 	defer pool.Stop()
 
 	// Keep track of transaction events to ensure all executables get announced
-	events := make(chan NewTxsEvent, 32)
+	events := make(chan core.NewTxsEvent, 32)
 	sub := pool.txFeed.Subscribe(events)
 	defer sub.Unsubscribe()
 
 	// Create a number of test accounts and fund them
-	keys := make([]*ecdsa.PrivateKey, 4)
+	keys := make([]*ecdsa.PrivateKey, 5)
 	for i := 0; i < len(keys); i++ {
 		keys[i], _ = crypto.GenerateKey()
 		testAddBalance(pool, crypto.PubkeyToAddress(keys[i].PublicKey), big.NewInt(1000000))
@@ -1750,13 +1757,17 @@ func TestTransactionPoolUnderpricing(t *testing.T) {
 	if err := validateEvents(events, 3); err != nil {
 		t.Fatalf("original event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 	// Ensure that adding an underpriced transaction on block limit fails
 	if err := pool.addRemoteSync(pricedTransaction(0, 100000, big.NewInt(1), keys[1])); err != ErrUnderpriced {
 		t.Fatalf("adding underpriced pending transaction error mismatch: have %v, want %v", err, ErrUnderpriced)
 	}
+	// Replace a future transaction with a future transaction
+	if err := pool.addRemoteSync(pricedTransaction(1, 100000, big.NewInt(2), keys[1])); err != nil { // +K1:1 => -K1:1 => Pend K0:0, K0:1, K2:0; Que K1:1
+		t.Fatalf("failed to add well priced transaction: %v", err)
+	}
 	// Ensure that adding high priced transactions drops cheap ones, but not own
 	if err := pool.addRemoteSync(pricedTransaction(0, 100000, big.NewInt(3), keys[1])); err != nil { // +K1:0 => -K1:1 => Pend K0:0, K0:1, K1:0, K2:0; Que -
 		t.Fatalf("failed to add well priced transaction: %v", err)
@@ -1767,6 +1778,10 @@ func TestTransactionPoolUnderpricing(t *testing.T) {
 	if err := pool.addRemoteSync(pricedTransaction(3, 100000, big.NewInt(5), keys[1])); err != nil { // +K1:3 => -K0:1 => Pend K1:0, K2:0; Que K1:2 K1:3
 		t.Fatalf("failed to add well priced transaction: %v", err)
 	}
+	// Ensure that replacing a pending transaction with a future transaction fails
+	if err := pool.addRemoteSync(pricedTransaction(5, 100000, big.NewInt(6), keys[1])); err != ErrFutureReplacePending {
+		t.Fatalf("adding future replace transaction error mismatch: have %v, want %v", err, ErrFutureReplacePending)
+	}
 	pending, queued = pool.Stats()
 	if pending != 2 {
 		t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 2)
@@ -1774,10 +1789,10 @@ func TestTransactionPoolUnderpricing(t *testing.T) {
 	if queued != 2 {
 		t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 2)
 	}
-	if err := validateEvents(events, 1); err != nil {
+	if err := validateEvents(events, 2); err != nil {
 		t.Fatalf("additional event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 	// Ensure that adding local transactions can push out even higher priced ones
@@ -1799,7 +1814,7 @@ func TestTransactionPoolUnderpricing(t *testing.T) {
 	if err := validateEvents(events, 2); err != nil {
 		t.Fatalf("local event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 }
@@ -1807,7 +1822,7 @@ func TestTransactionPoolUnderpricing(t *testing.T) {
 // Tests that more expensive transactions push out cheap ones from the pool, but
 // without producing instability by creating gaps that start jumping transactions
 // back and forth between queued/pending.
-func TestTransactionPoolStableUnderpricing(t *testing.T) {
+func TestStableUnderpricing(t *testing.T) {
 	t.Parallel()
 
 	// Create the pool to test the pricing enforcement with
@@ -1822,7 +1837,7 @@ func TestTransactionPoolStableUnderpricing(t *testing.T) {
 	defer pool.Stop()
 
 	// Keep track of transaction events to ensure all executables get announced
-	events := make(chan NewTxsEvent, 32)
+	events := make(chan core.NewTxsEvent, 32)
 	sub := pool.txFeed.Subscribe(events)
 	defer sub.Unsubscribe()
 
@@ -1849,7 +1864,7 @@ func TestTransactionPoolStableUnderpricing(t *testing.T) {
 	if err := validateEvents(events, int(config.GlobalSlots)); err != nil {
 		t.Fatalf("original event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 	// Ensure that adding high priced transactions drops a cheap, but doesn't produce a gap
@@ -1866,7 +1881,7 @@ func TestTransactionPoolStableUnderpricing(t *testing.T) {
 	if err := validateEvents(events, 1); err != nil {
 		t.Fatalf("additional event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 }
@@ -1876,17 +1891,17 @@ func TestTransactionPoolStableUnderpricing(t *testing.T) {
 // expensive ones and any gapped pending transactions are moved into the queue.
 //
 // Note, local transactions are never allowed to be dropped.
-func TestTransactionPoolUnderpricingDynamicFee(t *testing.T) {
+func TestUnderpricingDynamicFee(t *testing.T) {
 	t.Parallel()
 
-	pool, _ := setupTxPoolWithConfig(eip1559Config)
+	pool, _ := setupPoolWithConfig(eip1559Config)
 	defer pool.Stop()
 
 	pool.config.GlobalSlots = 2
 	pool.config.GlobalQueue = 2
 
 	// Keep track of transaction events to ensure all executables get announced
-	events := make(chan NewTxsEvent, 32)
+	events := make(chan core.NewTxsEvent, 32)
 	sub := pool.txFeed.Subscribe(events)
 	defer sub.Unsubscribe()
 
@@ -1920,7 +1935,7 @@ func TestTransactionPoolUnderpricingDynamicFee(t *testing.T) {
 	if err := validateEvents(events, 3); err != nil {
 		t.Fatalf("original event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 
@@ -1936,11 +1951,11 @@ func TestTransactionPoolUnderpricingDynamicFee(t *testing.T) {
 		t.Fatalf("failed to add well priced transaction: %v", err)
 	}
 
-	tx = pricedTransaction(2, 100000, big.NewInt(3), keys[1])
+	tx = pricedTransaction(1, 100000, big.NewInt(3), keys[1])
 	if err := pool.addRemoteSync(tx); err != nil { // +K1:2, -K0:1 => Pend K0:0 K1:0, K2:0; Que K1:2
 		t.Fatalf("failed to add well priced transaction: %v", err)
 	}
-	tx = dynamicFeeTx(3, 100000, big.NewInt(4), big.NewInt(1), keys[1])
+	tx = dynamicFeeTx(2, 100000, big.NewInt(4), big.NewInt(1), keys[1])
 	if err := pool.addRemoteSync(tx); err != nil { // +K1:3, -K1:0 => Pend K0:0 K2:0; Que K1:2 K1:3
 		t.Fatalf("failed to add well priced transaction: %v", err)
 	}
@@ -1951,10 +1966,10 @@ func TestTransactionPoolUnderpricingDynamicFee(t *testing.T) {
 	if queued != 2 {
 		t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 2)
 	}
-	if err := validateEvents(events, 1); err != nil {
+	if err := validateEvents(events, 2); err != nil {
 		t.Fatalf("additional event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 	// Ensure that adding local transactions can push out even higher priced ones
@@ -1976,7 +1991,7 @@ func TestTransactionPoolUnderpricingDynamicFee(t *testing.T) {
 	if err := validateEvents(events, 2); err != nil {
 		t.Fatalf("local event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 }
@@ -1986,7 +2001,7 @@ func TestTransactionPoolUnderpricingDynamicFee(t *testing.T) {
 func TestDualHeapEviction(t *testing.T) {
 	t.Parallel()
 
-	pool, _ := setupTxPoolWithConfig(eip1559Config)
+	pool, _ := setupPoolWithConfig(eip1559Config)
 	defer pool.Stop()
 
 	pool.config.GlobalSlots = 10
@@ -2035,13 +2050,13 @@ func TestDualHeapEviction(t *testing.T) {
 		check(highTip, "effective tip")
 	}
 
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 }
 
 // Tests that the pool rejects duplicate transactions.
-func TestTransactionDeduplication(t *testing.T) {
+func TestDeduplication(t *testing.T) {
 	t.Parallel()
 
 	// Create the pool to test the pricing enforcement with
@@ -2100,14 +2115,14 @@ func TestTransactionDeduplication(t *testing.T) {
 	if queued != 0 {
 		t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 0)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 }
 
 // Tests that the pool rejects replacement transactions that don't meet the minimum
 // price bump required.
-func TestTransactionReplacement(t *testing.T) {
+func TestReplacement(t *testing.T) {
 	t.Parallel()
 
 	// Create the pool to test the pricing enforcement with
@@ -2118,7 +2133,7 @@ func TestTransactionReplacement(t *testing.T) {
 	defer pool.Stop()
 
 	// Keep track of transaction events to ensure all executables get announced
-	events := make(chan NewTxsEvent, 32)
+	events := make(chan core.NewTxsEvent, 32)
 	sub := pool.txFeed.Subscribe(events)
 	defer sub.Unsubscribe()
 
@@ -2180,23 +2195,23 @@ func TestTransactionReplacement(t *testing.T) {
 	if err := validateEvents(events, 0); err != nil {
 		t.Fatalf("queued replacement event firing failed: %v", err)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 }
 
 // Tests that the pool rejects replacement dynamic fee transactions that don't
 // meet the minimum price bump required.
-func TestTransactionReplacementDynamicFee(t *testing.T) {
+func TestReplacementDynamicFee(t *testing.T) {
 	t.Parallel()
 
 	// Create the pool to test the pricing enforcement with
-	pool, key := setupTxPoolWithConfig(eip1559Config)
+	pool, key := setupPoolWithConfig(eip1559Config)
 	defer pool.Stop()
 	testAddBalance(pool, crypto.PubkeyToAddress(key.PublicKey), big.NewInt(1000000000))
 
 	// Keep track of transaction events to ensure all executables get announced
-	events := make(chan NewTxsEvent, 32)
+	events := make(chan core.NewTxsEvent, 32)
 	sub := pool.txFeed.Subscribe(events)
 	defer sub.Unsubscribe()
 
@@ -2221,7 +2236,7 @@ func TestTransactionReplacementDynamicFee(t *testing.T) {
 	stages := []string{"pending", "queued"}
 	for _, stage := range stages {
 		// Since state is empty, 0 nonce txs are "executable" and can go
-		// into pending immediately. 2 nonce txs are "happed
+		// into pending immediately. 2 nonce txs are "gapped"
 		nonce := uint64(0)
 		if stage == "queued" {
 			nonce = 2
@@ -2290,17 +2305,17 @@ func TestTransactionReplacementDynamicFee(t *testing.T) {
 		}
 	}
 
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 }
 
 // Tests that local transactions are journaled to disk, but remote transactions
 // get discarded between restarts.
-func TestTransactionJournaling(t *testing.T)         { testTransactionJournaling(t, false) }
-func TestTransactionJournalingNoLocals(t *testing.T) { testTransactionJournaling(t, true) }
+func TestJournaling(t *testing.T)         { testJournaling(t, false) }
+func TestJournalingNoLocals(t *testing.T) { testJournaling(t, true) }
 
-func testTransactionJournaling(t *testing.T, nolocals bool) {
+func testJournaling(t *testing.T, nolocals bool) {
 	t.Parallel()
 
 	// Create a temporary file for the journal
@@ -2353,7 +2368,7 @@ func testTransactionJournaling(t *testing.T, nolocals bool) {
 	if queued != 0 {
 		t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 0)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 	// Terminate the old pool, bump the local nonce, create a new pool and ensure relevant transaction survive
@@ -2376,7 +2391,7 @@ func testTransactionJournaling(t *testing.T, nolocals bool) {
 			t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 2)
 		}
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 	// Bump the nonce temporarily and ensure the newly invalidated transaction is removed
@@ -2402,15 +2417,15 @@ func testTransactionJournaling(t *testing.T, nolocals bool) {
 			t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 1)
 		}
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 	pool.Stop()
 }
 
-// TestTransactionStatusCheck tests that the pool can correctly retrieve the
+// TestStatusCheck tests that the pool can correctly retrieve the
 // pending status of individual transactions.
-func TestTransactionStatusCheck(t *testing.T) {
+func TestStatusCheck(t *testing.T) {
 	t.Parallel()
 
 	// Create the pool to test the status retrievals with
@@ -2444,7 +2459,7 @@ func TestTransactionStatusCheck(t *testing.T) {
 	if queued != 2 {
 		t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 2)
 	}
-	if err := validateTxPoolInternals(pool); err != nil {
+	if err := validatePoolInternals(pool); err != nil {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 	// Retrieve the status of each transaction and validate them
@@ -2465,7 +2480,7 @@ func TestTransactionStatusCheck(t *testing.T) {
 }
 
 // Test the transaction slots consumption is computed correctly
-func TestTransactionSlotCount(t *testing.T) {
+func TestSlotCount(t *testing.T) {
 	t.Parallel()
 
 	key, _ := crypto.GenerateKey()
@@ -2490,7 +2505,7 @@ func BenchmarkPendingDemotion10000(b *testing.B) { benchmarkPendingDemotion(b, 1
 
 func benchmarkPendingDemotion(b *testing.B, size int) {
 	// Add a batch of transactions to a pool one by one
-	pool, key := setupTxPool()
+	pool, key := setupPool()
 	defer pool.Stop()
 
 	account := crypto.PubkeyToAddress(key.PublicKey)
@@ -2515,7 +2530,7 @@ func BenchmarkFuturePromotion10000(b *testing.B) { benchmarkFuturePromotion(b, 1
 
 func benchmarkFuturePromotion(b *testing.B, size int) {
 	// Add a batch of transactions to a pool one by one
-	pool, key := setupTxPool()
+	pool, key := setupPool()
 	defer pool.Stop()
 
 	account := crypto.PubkeyToAddress(key.PublicKey)
@@ -2533,21 +2548,21 @@ func benchmarkFuturePromotion(b *testing.B, size int) {
 }
 
 // Benchmarks the speed of batched transaction insertion.
-func BenchmarkPoolBatchInsert100(b *testing.B)   { benchmarkPoolBatchInsert(b, 100, false) }
-func BenchmarkPoolBatchInsert1000(b *testing.B)  { benchmarkPoolBatchInsert(b, 1000, false) }
-func BenchmarkPoolBatchInsert10000(b *testing.B) { benchmarkPoolBatchInsert(b, 10000, false) }
+func BenchmarkBatchInsert100(b *testing.B)   { benchmarkBatchInsert(b, 100, false) }
+func BenchmarkBatchInsert1000(b *testing.B)  { benchmarkBatchInsert(b, 1000, false) }
+func BenchmarkBatchInsert10000(b *testing.B) { benchmarkBatchInsert(b, 10000, false) }
 
-func BenchmarkPoolBatchLocalInsert100(b *testing.B)   { benchmarkPoolBatchInsert(b, 100, true) }
-func BenchmarkPoolBatchLocalInsert1000(b *testing.B)  { benchmarkPoolBatchInsert(b, 1000, true) }
-func BenchmarkPoolBatchLocalInsert10000(b *testing.B) { benchmarkPoolBatchInsert(b, 10000, true) }
+func BenchmarkBatchLocalInsert100(b *testing.B)   { benchmarkBatchInsert(b, 100, true) }
+func BenchmarkBatchLocalInsert1000(b *testing.B)  { benchmarkBatchInsert(b, 1000, true) }
+func BenchmarkBatchLocalInsert10000(b *testing.B) { benchmarkBatchInsert(b, 10000, true) }
 
-func benchmarkPoolBatchInsert(b *testing.B, size int, local bool) {
+func benchmarkBatchInsert(b *testing.B, size int, local bool) {
 	// Generate a batch of transactions to enqueue into the pool
-	pool, key := setupTxPool()
+	pool, key := setupPool()
 	defer pool.Stop()
 
 	account := crypto.PubkeyToAddress(key.PublicKey)
-	testAddBalance(pool, account, big.NewInt(1000000))
+	testAddBalance(pool, account, big.NewInt(1000000000000000000))
 
 	batches := make([]types.Transactions, b.N)
 	for i := 0; i < b.N; i++ {
@@ -2587,7 +2602,7 @@ func BenchmarkInsertRemoteWithAllLocals(b *testing.B) {
 	b.ResetTimer()
 	for i := 0; i < b.N; i++ {
 		b.StopTimer()
-		pool, _ := setupTxPool()
+		pool, _ := setupPool()
 		testAddBalance(pool, account, big.NewInt(100000000))
 		for _, local := range locals {
 			pool.AddLocal(local)
@@ -2603,9 +2618,9 @@ func BenchmarkInsertRemoteWithAllLocals(b *testing.B) {
 }
 
 // Benchmarks the speed of batch transaction insertion in case of multiple accounts.
-func BenchmarkPoolMultiAccountBatchInsert(b *testing.B) {
+func BenchmarkMultiAccountBatchInsert(b *testing.B) {
 	// Generate a batch of transactions to enqueue into the pool
-	pool, _ := setupTxPool()
+	pool, _ := setupPool()
 	defer pool.Stop()
 	b.ReportAllocs()
 	batches := make(types.Transactions, b.N)
diff --git a/core/types/block.go b/core/types/block.go
index f2b6f4641b..0baafa2b99 100644
--- a/core/types/block.go
+++ b/core/types/block.go
@@ -36,16 +36,9 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
-	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/rlp"
 )
 
-var (
-	EmptyRootHash  = common.HexToHash("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
-	EmptyCodeHash  = common.BytesToHash(crypto.Keccak256(nil))
-	EmptyUncleHash = rlpHash([]*Header(nil))
-)
-
 // A BlockNonce is a 64-bit hash which proves (combined with the
 // mix-hash) that a sufficient amount of computation has been carried
 // out on a block.
@@ -126,18 +119,22 @@ var headerSize = common.StorageSize(reflect.TypeOf(Header{}).Size())
 // Size returns the approximate memory used by all internal contents. It is used
 // to approximate and limit the memory consumption of various caches.
 func (h *Header) Size() common.StorageSize {
-	return headerSize + common.StorageSize(len(h.Extra)+(h.Difficulty.BitLen()+h.Number.BitLen())/8)
+	var baseFeeBits int
+	if h.BaseFee != nil {
+		baseFeeBits = h.BaseFee.BitLen()
+	}
+	return headerSize + common.StorageSize(len(h.Extra)+(h.Difficulty.BitLen()+h.Number.BitLen()+baseFeeBits)/8)
 }
 
 // EmptyBody returns true if there is no additional 'body' to complete the header
 // that is: no transactions and no uncles.
 func (h *Header) EmptyBody() bool {
-	return h.TxHash == EmptyRootHash && h.UncleHash == EmptyUncleHash
+	return h.TxHash == EmptyTxsHash && h.UncleHash == EmptyUncleHash
 }
 
 // EmptyReceipts returns true if there are no receipts for this header/block.
 func (h *Header) EmptyReceipts() bool {
-	return h.ReceiptHash == EmptyRootHash
+	return h.ReceiptHash == EmptyReceiptsHash
 }
 
 // Body is a simple (mutable, non-safe) data container for storing and moving
@@ -179,7 +176,7 @@ func NewBlock(
 
 	// TODO: panic if len(txs) != len(receipts)
 	if len(txs) == 0 {
-		b.header.TxHash = EmptyRootHash
+		b.header.TxHash = EmptyTxsHash
 	} else {
 		b.header.TxHash = DeriveSha(Transactions(txs), hasher)
 		b.transactions = make(Transactions, len(txs))
@@ -187,7 +184,7 @@ func NewBlock(
 	}
 
 	if len(receipts) == 0 {
-		b.header.ReceiptHash = EmptyRootHash
+		b.header.ReceiptHash = EmptyReceiptsHash
 	} else {
 		b.header.ReceiptHash = DeriveSha(Receipts(receipts), hasher)
 		b.header.Bloom = CreateBloom(receipts)
@@ -244,7 +241,7 @@ func (b *Block) DecodeRLP(s *rlp.Stream) error {
 		return err
 	}
 	b.header, b.uncles, b.transactions = eb.Header, eb.Uncles, eb.Txs
-	b.size.Store(common.StorageSize(rlp.ListSize(size)))
+	b.size.Store(rlp.ListSize(size))
 	return nil
 }
 
@@ -276,7 +273,7 @@ func (b *Block) GasLimit() uint64     { return b.header.GasLimit }
 func (b *Block) GasUsed() uint64      { return b.header.GasUsed }
 func (b *Block) Difficulty() *big.Int { return new(big.Int).Set(b.header.Difficulty) }
 func (b *Block) Time() uint64         { return b.header.Time }
-func (b *Block) Timestamp() *big.Int  { return new(big.Int).SetUint64(b.header.Time) }
+func (b *Block) Timestamp() uint64    { return b.header.Time }
 
 func (b *Block) NumberU64() uint64        { return b.header.Number.Uint64() }
 func (b *Block) MixDigest() common.Hash   { return b.header.MixDigest }
@@ -311,17 +308,17 @@ func (b *Block) Body() *Body { return &Body{b.transactions, b.uncles} }
 
 // Size returns the true RLP encoded storage size of the block, either by encoding
 // and returning it, or returning a previously cached value.
-func (b *Block) Size() common.StorageSize {
+func (b *Block) Size() uint64 {
 	if size := b.size.Load(); size != nil {
-		return size.(common.StorageSize)
+		return size.(uint64)
 	}
 	c := writeCounter(0)
 	rlp.Encode(&c, b)
-	b.size.Store(common.StorageSize(c))
-	return common.StorageSize(c)
+	b.size.Store(uint64(c))
+	return uint64(c)
 }
 
-type writeCounter common.StorageSize
+type writeCounter uint64
 
 func (c *writeCounter) Write(b []byte) (int, error) {
 	*c += writeCounter(len(b))
diff --git a/core/types/block_test.go b/core/types/block_test.go
index 901f0baf54..01bcb589ed 100644
--- a/core/types/block_test.go
+++ b/core/types/block_test.go
@@ -71,7 +71,7 @@ func TestBlockEncoding(t *testing.T) {
 	check("BaseFee", block.BaseFee(), (*big.Int)(nil))
 	check("BlockGasCost", block.BlockGasCost(), (*big.Int)(nil))
 
-	check("Size", block.Size(), common.StorageSize(len(blockEnc)))
+	check("Size", block.Size(), uint64(len(blockEnc)))
 	check("BlockHash", block.Hash(), common.HexToHash("0x0a5843ac1cb04865017cb35a57b50b07084e5fcee39b5acadade33149f4fff9e"))
 
 	txHash := common.HexToHash("0x77b19baa4de67e45a7b26e4a220bccdbb6731885aa9927064e239ca232023215")
@@ -108,7 +108,7 @@ func TestEIP1559BlockEncoding(t *testing.T) {
 	check("Hash", block.Hash(), common.HexToHash("c7252048cd273fe0dac09650027d07f0e3da4ee0675ebbb26627cea92729c372"))
 	check("Nonce", block.Nonce(), uint64(0xa13a5a8c8f2bb1c4))
 	check("Time", block.Time(), uint64(1426516743))
-	check("Size", block.Size(), common.StorageSize(len(blockEnc)))
+	check("Size", block.Size(), uint64(len(blockEnc)))
 	check("BaseFee", block.BaseFee(), new(big.Int).SetUint64(1000000000))
 	check("BlockGasCost", block.BlockGasCost(), (*big.Int)(nil))
 
@@ -172,7 +172,7 @@ func TestEIP2718BlockEncoding(t *testing.T) {
 	check("Root", block.Root(), common.HexToHash("ef1552a40b7165c3cd773806b9e0c165b75356e0314bf0706f279c729f51e017"))
 	check("Nonce", block.Nonce(), uint64(0xa13a5a8c8f2bb1c4))
 	check("Time", block.Time(), uint64(1426516743))
-	check("Size", block.Size(), common.StorageSize(len(blockEnc)))
+	check("Size", block.Size(), uint64(len(blockEnc)))
 	check("BaseFee", block.BaseFee(), (*big.Int)(nil))
 	check("BlockGasCost", block.BlockGasCost(), (*big.Int)(nil))
 
@@ -326,7 +326,7 @@ func TestSubnetEVMBlockEncoding(t *testing.T) {
 	check("Hash", block.Hash(), common.HexToHash("0x06206d4ff804e93b36a8447a12a47653b07fd18115a05956c5ed8817f0b11eb9"))
 	check("Nonce", block.Nonce(), uint64(0xa13a5a8c8f2bb1c4))
 	check("Time", block.Time(), uint64(1426516743))
-	check("Size", block.Size(), common.StorageSize(len(blockEnc)))
+	check("Size", block.Size(), uint64(len(blockEnc)))
 	check("BaseFee", block.BaseFee(), big.NewInt(1_000_000_000))
 	check("BlockGasCost", block.BlockGasCost(), big.NewInt(100_000))
 
diff --git a/core/types/gen_receipt_json.go b/core/types/gen_receipt_json.go
index bb892f85be..8d85dd5b9c 100644
--- a/core/types/gen_receipt_json.go
+++ b/core/types/gen_receipt_json.go
@@ -25,6 +25,7 @@ func (r Receipt) MarshalJSON() ([]byte, error) {
 		TxHash            common.Hash    `json:"transactionHash" gencodec:"required"`
 		ContractAddress   common.Address `json:"contractAddress"`
 		GasUsed           hexutil.Uint64 `json:"gasUsed" gencodec:"required"`
+		EffectiveGasPrice *hexutil.Big   `json:"effectiveGasPrice,omitempty"`
 		BlockHash         common.Hash    `json:"blockHash,omitempty"`
 		BlockNumber       *hexutil.Big   `json:"blockNumber,omitempty"`
 		TransactionIndex  hexutil.Uint   `json:"transactionIndex"`
@@ -39,6 +40,7 @@ func (r Receipt) MarshalJSON() ([]byte, error) {
 	enc.TxHash = r.TxHash
 	enc.ContractAddress = r.ContractAddress
 	enc.GasUsed = hexutil.Uint64(r.GasUsed)
+	enc.EffectiveGasPrice = (*hexutil.Big)(r.EffectiveGasPrice)
 	enc.BlockHash = r.BlockHash
 	enc.BlockNumber = (*hexutil.Big)(r.BlockNumber)
 	enc.TransactionIndex = hexutil.Uint(r.TransactionIndex)
@@ -57,6 +59,7 @@ func (r *Receipt) UnmarshalJSON(input []byte) error {
 		TxHash            *common.Hash    `json:"transactionHash" gencodec:"required"`
 		ContractAddress   *common.Address `json:"contractAddress"`
 		GasUsed           *hexutil.Uint64 `json:"gasUsed" gencodec:"required"`
+		EffectiveGasPrice *hexutil.Big    `json:"effectiveGasPrice,omitempty"`
 		BlockHash         *common.Hash    `json:"blockHash,omitempty"`
 		BlockNumber       *hexutil.Big    `json:"blockNumber,omitempty"`
 		TransactionIndex  *hexutil.Uint   `json:"transactionIndex"`
@@ -97,6 +100,9 @@ func (r *Receipt) UnmarshalJSON(input []byte) error {
 		return errors.New("missing required field 'gasUsed' for Receipt")
 	}
 	r.GasUsed = uint64(*dec.GasUsed)
+	if dec.EffectiveGasPrice != nil {
+		r.EffectiveGasPrice = (*big.Int)(dec.EffectiveGasPrice)
+	}
 	if dec.BlockHash != nil {
 		r.BlockHash = *dec.BlockHash
 	}
diff --git a/core/types/hashes.go b/core/types/hashes.go
new file mode 100644
index 0000000000..69a034b6d8
--- /dev/null
+++ b/core/types/hashes.go
@@ -0,0 +1,49 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2023 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package types
+
+import (
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
+)
+
+var (
+	// EmptyRootHash is the known root hash of an empty trie.
+	EmptyRootHash = common.HexToHash("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
+
+	// EmptyUncleHash is the known hash of the empty uncle set.
+	EmptyUncleHash = rlpHash([]*Header(nil)) // 1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347
+
+	// EmptyCodeHash is the known hash of the empty EVM bytecode.
+	EmptyCodeHash = crypto.Keccak256Hash(nil) // c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470
+
+	// EmptyTxsHash is the known hash of the empty transaction set.
+	EmptyTxsHash = common.HexToHash("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
+
+	// EmptyReceiptsHash is the known hash of the empty receipt set.
+	EmptyReceiptsHash = common.HexToHash("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
+)
diff --git a/core/types/log.go b/core/types/log.go
index 131ef8599a..926327bb08 100644
--- a/core/types/log.go
+++ b/core/types/log.go
@@ -74,24 +74,13 @@ type logMarshaling struct {
 
 //go:generate go run github.com/ethereum/go-ethereum/rlp/rlpgen -type rlpLog -out gen_log_rlp.go
 
+// rlpLog is used to RLP-encode both the consensus and storage formats.
 type rlpLog struct {
 	Address common.Address
 	Topics  []common.Hash
 	Data    []byte
 }
 
-// legacyRlpStorageLog is the previous storage encoding of a log including some redundant fields.
-type legacyRlpStorageLog struct {
-	Address     common.Address
-	Topics      []common.Hash
-	Data        []byte
-	BlockNumber uint64
-	TxHash      common.Hash
-	TxIndex     uint
-	BlockHash   common.Hash
-	Index       uint
-}
-
 // EncodeRLP implements rlp.Encoder.
 func (l *Log) EncodeRLP(w io.Writer) error {
 	rl := rlpLog{Address: l.Address, Topics: l.Topics, Data: l.Data}
@@ -108,47 +97,6 @@ func (l *Log) DecodeRLP(s *rlp.Stream) error {
 	return err
 }
 
-// LogForStorage is a wrapper around a Log that handles
-// backward compatibility with prior storage formats.
-type LogForStorage Log
-
-// EncodeRLP implements rlp.Encoder.
-func (l *LogForStorage) EncodeRLP(w io.Writer) error {
-	rl := rlpLog{Address: l.Address, Topics: l.Topics, Data: l.Data}
-	return rlp.Encode(w, &rl)
-}
-
-// DecodeRLP implements rlp.Decoder.
-//
-// Note some redundant fields(e.g. block number, tx hash etc) will be assembled later.
-func (l *LogForStorage) DecodeRLP(s *rlp.Stream) error {
-	blob, err := s.Raw()
-	if err != nil {
-		return err
-	}
-	var dec rlpLog
-	err = rlp.DecodeBytes(blob, &dec)
-	if err == nil {
-		*l = LogForStorage{
-			Address: dec.Address,
-			Topics:  dec.Topics,
-			Data:    dec.Data,
-		}
-	} else {
-		// Try to decode log with previous definition.
-		var dec legacyRlpStorageLog
-		err = rlp.DecodeBytes(blob, &dec)
-		if err == nil {
-			*l = LogForStorage{
-				Address: dec.Address,
-				Topics:  dec.Topics,
-				Data:    dec.Data,
-			}
-		}
-	}
-	return err
-}
-
 // FlattenLogs converts a nested array of logs to a single array of logs.
 func FlattenLogs(list [][]*Log) []*Log {
 	var flat []*Log
diff --git a/core/types/receipt.go b/core/types/receipt.go
index 9c24e314df..404986365d 100644
--- a/core/types/receipt.go
+++ b/core/types/receipt.go
@@ -69,10 +69,10 @@ type Receipt struct {
 	Logs              []*Log `json:"logs"              gencodec:"required"`
 
 	// Implementation fields: These fields are added by geth when processing a transaction.
-	// They are stored in the chain database.
-	TxHash          common.Hash    `json:"transactionHash" gencodec:"required"`
-	ContractAddress common.Address `json:"contractAddress"`
-	GasUsed         uint64         `json:"gasUsed" gencodec:"required"`
+	TxHash            common.Hash    `json:"transactionHash" gencodec:"required"`
+	ContractAddress   common.Address `json:"contractAddress"`
+	GasUsed           uint64         `json:"gasUsed" gencodec:"required"`
+	EffectiveGasPrice *big.Int       `json:"effectiveGasPrice"`
 
 	// Inclusion information: These fields provide information about the inclusion of the
 	// transaction corresponding to this receipt.
@@ -103,28 +103,7 @@ type receiptRLP struct {
 type storedReceiptRLP struct {
 	PostStateOrStatus []byte
 	CumulativeGasUsed uint64
-	Logs              []*LogForStorage
-}
-
-// v4StoredReceiptRLP is the storage encoding of a receipt used in database version 4.
-type v4StoredReceiptRLP struct {
-	PostStateOrStatus []byte
-	CumulativeGasUsed uint64
-	TxHash            common.Hash
-	ContractAddress   common.Address
-	Logs              []*LogForStorage
-	GasUsed           uint64
-}
-
-// v3StoredReceiptRLP is the original storage encoding of a receipt including some unnecessary fields.
-type v3StoredReceiptRLP struct {
-	PostStateOrStatus []byte
-	CumulativeGasUsed uint64
-	Bloom             Bloom
-	TxHash            common.Hash
-	ContractAddress   common.Address
-	Logs              []*LogForStorage
-	GasUsed           uint64
+	Logs              []*Log
 }
 
 // NewReceipt creates a barebone transaction receipt, copying the init fields.
@@ -302,82 +281,20 @@ func (r *ReceiptForStorage) EncodeRLP(_w io.Writer) error {
 // DecodeRLP implements rlp.Decoder, and loads both consensus and implementation
 // fields of a receipt from an RLP stream.
 func (r *ReceiptForStorage) DecodeRLP(s *rlp.Stream) error {
-	// Retrieve the entire receipt blob as we need to try multiple decoders
-	blob, err := s.Raw()
-	if err != nil {
-		return err
-	}
-	// Try decoding from the newest format for future proofness, then the older one
-	// for old nodes that just upgraded. V4 was an intermediate unreleased format so
-	// we do need to decode it, but it's not common (try last).
-	if err := decodeStoredReceiptRLP(r, blob); err == nil {
-		return nil
-	}
-	if err := decodeV3StoredReceiptRLP(r, blob); err == nil {
-		return nil
-	}
-	return decodeV4StoredReceiptRLP(r, blob)
-}
-
-func decodeStoredReceiptRLP(r *ReceiptForStorage, blob []byte) error {
 	var stored storedReceiptRLP
-	if err := rlp.DecodeBytes(blob, &stored); err != nil {
+	if err := s.Decode(&stored); err != nil {
 		return err
 	}
 	if err := (*Receipt)(r).setStatus(stored.PostStateOrStatus); err != nil {
 		return err
 	}
 	r.CumulativeGasUsed = stored.CumulativeGasUsed
-	r.Logs = make([]*Log, len(stored.Logs))
-	for i, log := range stored.Logs {
-		r.Logs[i] = (*Log)(log)
-	}
+	r.Logs = stored.Logs
 	r.Bloom = CreateBloom(Receipts{(*Receipt)(r)})
 
 	return nil
 }
 
-func decodeV4StoredReceiptRLP(r *ReceiptForStorage, blob []byte) error {
-	var stored v4StoredReceiptRLP
-	if err := rlp.DecodeBytes(blob, &stored); err != nil {
-		return err
-	}
-	if err := (*Receipt)(r).setStatus(stored.PostStateOrStatus); err != nil {
-		return err
-	}
-	r.CumulativeGasUsed = stored.CumulativeGasUsed
-	r.TxHash = stored.TxHash
-	r.ContractAddress = stored.ContractAddress
-	r.GasUsed = stored.GasUsed
-	r.Logs = make([]*Log, len(stored.Logs))
-	for i, log := range stored.Logs {
-		r.Logs[i] = (*Log)(log)
-	}
-	r.Bloom = CreateBloom(Receipts{(*Receipt)(r)})
-
-	return nil
-}
-
-func decodeV3StoredReceiptRLP(r *ReceiptForStorage, blob []byte) error {
-	var stored v3StoredReceiptRLP
-	if err := rlp.DecodeBytes(blob, &stored); err != nil {
-		return err
-	}
-	if err := (*Receipt)(r).setStatus(stored.PostStateOrStatus); err != nil {
-		return err
-	}
-	r.CumulativeGasUsed = stored.CumulativeGasUsed
-	r.Bloom = stored.Bloom
-	r.TxHash = stored.TxHash
-	r.ContractAddress = stored.ContractAddress
-	r.GasUsed = stored.GasUsed
-	r.Logs = make([]*Log, len(stored.Logs))
-	for i, log := range stored.Logs {
-		r.Logs[i] = (*Log)(log)
-	}
-	return nil
-}
-
 // Receipts implements DerivableList for receipts.
 type Receipts []*Receipt
 
@@ -406,8 +323,8 @@ func (rs Receipts) EncodeIndex(i int, w *bytes.Buffer) {
 
 // DeriveFields fills the receipts with their computed fields based on consensus
 // data and contextual infos like containing block and transactions.
-func (rs Receipts) DeriveFields(config *params.ChainConfig, hash common.Hash, number uint64, time uint64, txs Transactions) error {
-	signer := MakeSigner(config, new(big.Int).SetUint64(number), new(big.Int).SetUint64(time))
+func (rs Receipts) DeriveFields(config *params.ChainConfig, hash common.Hash, number uint64, time uint64, baseFee *big.Int, txs []*Transaction) error {
+	signer := MakeSigner(config, new(big.Int).SetUint64(number), time)
 
 	logIndex := uint(0)
 	if len(txs) != len(rs) {
@@ -418,6 +335,8 @@ func (rs Receipts) DeriveFields(config *params.ChainConfig, hash common.Hash, nu
 		rs[i].Type = txs[i].Type()
 		rs[i].TxHash = txs[i].Hash()
 
+		rs[i].EffectiveGasPrice = txs[i].inner.effectiveGasPrice(new(big.Int), baseFee)
+
 		// block location fields
 		rs[i].BlockHash = hash
 		rs[i].BlockNumber = new(big.Int).SetUint64(number)
@@ -428,13 +347,17 @@ func (rs Receipts) DeriveFields(config *params.ChainConfig, hash common.Hash, nu
 			// Deriving the signer is expensive, only do if it's actually needed
 			from, _ := Sender(signer, txs[i])
 			rs[i].ContractAddress = crypto.CreateAddress(from, txs[i].Nonce())
+		} else {
+			rs[i].ContractAddress = common.Address{}
 		}
+
 		// The used gas can be calculated based on previous r
 		if i == 0 {
 			rs[i].GasUsed = rs[i].CumulativeGasUsed
 		} else {
 			rs[i].GasUsed = rs[i].CumulativeGasUsed - rs[i-1].CumulativeGasUsed
 		}
+
 		// The derived log fields can simply be set from the block and transaction
 		for j := 0; j < len(rs[i].Logs); j++ {
 			rs[i].Logs[j].BlockNumber = number
diff --git a/core/types/receipt_test.go b/core/types/receipt_test.go
index 7dd025350f..a89c681454 100644
--- a/core/types/receipt_test.go
+++ b/core/types/receipt_test.go
@@ -28,6 +28,7 @@ package types
 
 import (
 	"bytes"
+	"encoding/json"
 	"math"
 	"math/big"
 	"reflect"
@@ -35,8 +36,8 @@ import (
 
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/rlp"
+	"github.com/kylelemons/godebug/diff"
 )
 
 var (
@@ -101,249 +102,183 @@ func TestDecodeEmptyTypedReceipt(t *testing.T) {
 	}
 }
 
-func TestLegacyReceiptDecoding(t *testing.T) {
-	tests := []struct {
-		name   string
-		encode func(*Receipt) ([]byte, error)
-	}{
-		{
-			"StoredReceiptRLP",
-			encodeAsStoredReceiptRLP,
-		},
-		{
-			"V4StoredReceiptRLP",
-			encodeAsV4StoredReceiptRLP,
-		},
-		{
-			"V3StoredReceiptRLP",
-			encodeAsV3StoredReceiptRLP,
-		},
-	}
-
-	tx := NewTransaction(1, common.HexToAddress("0x1"), big.NewInt(1), 1, big.NewInt(1), nil)
-	receipt := &Receipt{
-		Status:            ReceiptStatusFailed,
-		CumulativeGasUsed: 1,
-		Logs: []*Log{
-			{
-				Address: common.BytesToAddress([]byte{0x11}),
-				Topics:  []common.Hash{common.HexToHash("dead"), common.HexToHash("beef")},
-				Data:    []byte{0x01, 0x00, 0xff},
-			},
-			{
-				Address: common.BytesToAddress([]byte{0x01, 0x11}),
-				Topics:  []common.Hash{common.HexToHash("dead"), common.HexToHash("beef")},
-				Data:    []byte{0x01, 0x00, 0xff},
-			},
-		},
-		TxHash:          tx.Hash(),
-		ContractAddress: common.BytesToAddress([]byte{0x01, 0x11, 0x11}),
-		GasUsed:         111111,
-	}
-	receipt.Bloom = CreateBloom(Receipts{receipt})
-
-	for _, tc := range tests {
-		t.Run(tc.name, func(t *testing.T) {
-			enc, err := tc.encode(receipt)
-			if err != nil {
-				t.Fatalf("Error encoding receipt: %v", err)
-			}
-			var dec ReceiptForStorage
-			if err := rlp.DecodeBytes(enc, &dec); err != nil {
-				t.Fatalf("Error decoding RLP receipt: %v", err)
-			}
-			// Check whether all consensus fields are correct.
-			if dec.Status != receipt.Status {
-				t.Fatalf("Receipt status mismatch, want %v, have %v", receipt.Status, dec.Status)
-			}
-			if dec.CumulativeGasUsed != receipt.CumulativeGasUsed {
-				t.Fatalf("Receipt CumulativeGasUsed mismatch, want %v, have %v", receipt.CumulativeGasUsed, dec.CumulativeGasUsed)
-			}
-			if dec.Bloom != receipt.Bloom {
-				t.Fatalf("Bloom data mismatch, want %v, have %v", receipt.Bloom, dec.Bloom)
-			}
-			if len(dec.Logs) != len(receipt.Logs) {
-				t.Fatalf("Receipt log number mismatch, want %v, have %v", len(receipt.Logs), len(dec.Logs))
-			}
-			for i := 0; i < len(dec.Logs); i++ {
-				if dec.Logs[i].Address != receipt.Logs[i].Address {
-					t.Fatalf("Receipt log %d address mismatch, want %v, have %v", i, receipt.Logs[i].Address, dec.Logs[i].Address)
-				}
-				if !reflect.DeepEqual(dec.Logs[i].Topics, receipt.Logs[i].Topics) {
-					t.Fatalf("Receipt log %d topics mismatch, want %v, have %v", i, receipt.Logs[i].Topics, dec.Logs[i].Topics)
-				}
-				if !bytes.Equal(dec.Logs[i].Data, receipt.Logs[i].Data) {
-					t.Fatalf("Receipt log %d data mismatch, want %v, have %v", i, receipt.Logs[i].Data, dec.Logs[i].Data)
-				}
-			}
-		})
-	}
-}
-
-func encodeAsStoredReceiptRLP(want *Receipt) ([]byte, error) {
-	stored := &storedReceiptRLP{
-		PostStateOrStatus: want.statusEncoding(),
-		CumulativeGasUsed: want.CumulativeGasUsed,
-		Logs:              make([]*LogForStorage, len(want.Logs)),
-	}
-	for i, log := range want.Logs {
-		stored.Logs[i] = (*LogForStorage)(log)
-	}
-	return rlp.EncodeToBytes(stored)
-}
-
-func encodeAsV4StoredReceiptRLP(want *Receipt) ([]byte, error) {
-	stored := &v4StoredReceiptRLP{
-		PostStateOrStatus: want.statusEncoding(),
-		CumulativeGasUsed: want.CumulativeGasUsed,
-		TxHash:            want.TxHash,
-		ContractAddress:   want.ContractAddress,
-		Logs:              make([]*LogForStorage, len(want.Logs)),
-		GasUsed:           want.GasUsed,
-	}
-	for i, log := range want.Logs {
-		stored.Logs[i] = (*LogForStorage)(log)
-	}
-	return rlp.EncodeToBytes(stored)
-}
-
-func encodeAsV3StoredReceiptRLP(want *Receipt) ([]byte, error) {
-	stored := &v3StoredReceiptRLP{
-		PostStateOrStatus: want.statusEncoding(),
-		CumulativeGasUsed: want.CumulativeGasUsed,
-		Bloom:             want.Bloom,
-		TxHash:            want.TxHash,
-		ContractAddress:   want.ContractAddress,
-		Logs:              make([]*LogForStorage, len(want.Logs)),
-		GasUsed:           want.GasUsed,
-	}
-	for i, log := range want.Logs {
-		stored.Logs[i] = (*LogForStorage)(log)
-	}
-	return rlp.EncodeToBytes(stored)
-}
-
 // Tests that receipt data can be correctly derived from the contextual infos
 func TestDeriveFields(t *testing.T) {
 	// Create a few transactions to have receipts for
 	to2 := common.HexToAddress("0x2")
 	to3 := common.HexToAddress("0x3")
+	to4 := common.HexToAddress("0x4")
+	to5 := common.HexToAddress("0x5")
 	txs := Transactions{
 		NewTx(&LegacyTx{
 			Nonce:    1,
 			Value:    big.NewInt(1),
 			Gas:      1,
-			GasPrice: big.NewInt(1),
+			GasPrice: big.NewInt(11),
 		}),
 		NewTx(&LegacyTx{
 			To:       &to2,
 			Nonce:    2,
 			Value:    big.NewInt(2),
 			Gas:      2,
-			GasPrice: big.NewInt(2),
+			GasPrice: big.NewInt(22),
 		}),
 		NewTx(&AccessListTx{
 			To:       &to3,
 			Nonce:    3,
 			Value:    big.NewInt(3),
 			Gas:      3,
-			GasPrice: big.NewInt(3),
+			GasPrice: big.NewInt(33),
+		}),
+		// EIP-1559 transactions.
+		NewTx(&DynamicFeeTx{
+			To:        &to4,
+			Nonce:     4,
+			Value:     big.NewInt(4),
+			Gas:       4,
+			GasTipCap: big.NewInt(44),
+			GasFeeCap: big.NewInt(1045),
+		}),
+		NewTx(&DynamicFeeTx{
+			To:        &to5,
+			Nonce:     5,
+			Value:     big.NewInt(5),
+			Gas:       5,
+			GasTipCap: big.NewInt(56),
+			GasFeeCap: big.NewInt(1055),
 		}),
 	}
+
+	blockNumber := big.NewInt(1)
+	blockHash := common.BytesToHash([]byte{0x03, 0x14})
+	blockTimestamp := uint64(1)
+
 	// Create the corresponding receipts
 	receipts := Receipts{
 		&Receipt{
 			Status:            ReceiptStatusFailed,
 			CumulativeGasUsed: 1,
 			Logs: []*Log{
-				{Address: common.BytesToAddress([]byte{0x11})},
-				{Address: common.BytesToAddress([]byte{0x01, 0x11})},
+				{
+					Address: common.BytesToAddress([]byte{0x11}),
+					// derived fields:
+					BlockNumber: blockNumber.Uint64(),
+					TxHash:      txs[0].Hash(),
+					TxIndex:     0,
+					BlockHash:   blockHash,
+					Index:       0,
+				},
+				{
+					Address: common.BytesToAddress([]byte{0x01, 0x11}),
+					// derived fields:
+					BlockNumber: blockNumber.Uint64(),
+					TxHash:      txs[0].Hash(),
+					TxIndex:     0,
+					BlockHash:   blockHash,
+					Index:       1,
+				},
 			},
-			TxHash:          txs[0].Hash(),
-			ContractAddress: common.BytesToAddress([]byte{0x01, 0x11, 0x11}),
-			GasUsed:         1,
+			// derived fields:
+			TxHash:            txs[0].Hash(),
+			ContractAddress:   common.HexToAddress("0x5a443704dd4b594b382c22a083e2bd3090a6fef3"),
+			GasUsed:           1,
+			EffectiveGasPrice: big.NewInt(11),
+			BlockHash:         blockHash,
+			BlockNumber:       blockNumber,
+			TransactionIndex:  0,
 		},
 		&Receipt{
 			PostState:         common.Hash{2}.Bytes(),
 			CumulativeGasUsed: 3,
 			Logs: []*Log{
-				{Address: common.BytesToAddress([]byte{0x22})},
-				{Address: common.BytesToAddress([]byte{0x02, 0x22})},
+				{
+					Address: common.BytesToAddress([]byte{0x22}),
+					// derived fields:
+					BlockNumber: blockNumber.Uint64(),
+					TxHash:      txs[1].Hash(),
+					TxIndex:     1,
+					BlockHash:   blockHash,
+					Index:       2,
+				},
+				{
+					Address: common.BytesToAddress([]byte{0x02, 0x22}),
+					// derived fields:
+					BlockNumber: blockNumber.Uint64(),
+					TxHash:      txs[1].Hash(),
+					TxIndex:     1,
+					BlockHash:   blockHash,
+					Index:       3,
+				},
 			},
-			TxHash:          txs[1].Hash(),
-			ContractAddress: common.BytesToAddress([]byte{0x02, 0x22, 0x22}),
-			GasUsed:         2,
+			// derived fields:
+			TxHash:            txs[1].Hash(),
+			GasUsed:           2,
+			EffectiveGasPrice: big.NewInt(22),
+			BlockHash:         blockHash,
+			BlockNumber:       blockNumber,
+			TransactionIndex:  1,
 		},
 		&Receipt{
 			Type:              AccessListTxType,
 			PostState:         common.Hash{3}.Bytes(),
 			CumulativeGasUsed: 6,
-			Logs: []*Log{
-				{Address: common.BytesToAddress([]byte{0x33})},
-				{Address: common.BytesToAddress([]byte{0x03, 0x33})},
-			},
-			TxHash:          txs[2].Hash(),
-			ContractAddress: common.BytesToAddress([]byte{0x03, 0x33, 0x33}),
-			GasUsed:         3,
+			Logs:              []*Log{},
+			// derived fields:
+			TxHash:            txs[2].Hash(),
+			GasUsed:           3,
+			EffectiveGasPrice: big.NewInt(33),
+			BlockHash:         blockHash,
+			BlockNumber:       blockNumber,
+			TransactionIndex:  2,
+		},
+		&Receipt{
+			Type:              DynamicFeeTxType,
+			PostState:         common.Hash{4}.Bytes(),
+			CumulativeGasUsed: 10,
+			Logs:              []*Log{},
+			// derived fields:
+			TxHash:            txs[3].Hash(),
+			GasUsed:           4,
+			EffectiveGasPrice: big.NewInt(1044),
+			BlockHash:         blockHash,
+			BlockNumber:       blockNumber,
+			TransactionIndex:  3,
+		},
+		&Receipt{
+			Type:              DynamicFeeTxType,
+			PostState:         common.Hash{5}.Bytes(),
+			CumulativeGasUsed: 15,
+			Logs:              []*Log{},
+			// derived fields:
+			TxHash:            txs[4].Hash(),
+			GasUsed:           5,
+			EffectiveGasPrice: big.NewInt(1055),
+			BlockHash:         blockHash,
+			BlockNumber:       blockNumber,
+			TransactionIndex:  4,
 		},
 	}
-	// Clear all the computed fields and re-derive them
-	number := big.NewInt(1)
-	hash := common.BytesToHash([]byte{0x03, 0x14})
 
-	clearComputedFieldsOnReceipts(t, receipts)
-	if err := receipts.DeriveFields(params.TestChainConfig, hash, number.Uint64(), number.Uint64(), txs); err != nil {
+	// Re-derive receipts.
+	basefee := big.NewInt(1000)
+	derivedReceipts := clearComputedFieldsOnReceipts(receipts)
+	err := Receipts(derivedReceipts).DeriveFields(params.TestChainConfig, blockHash, blockNumber.Uint64(), blockTimestamp, basefee, txs)
+	if err != nil {
 		t.Fatalf("DeriveFields(...) = %v, want <nil>", err)
 	}
-	// Iterate over all the computed fields and check that they're correct
-	signer := MakeSigner(params.TestChainConfig, number, number)
 
-	logIndex := uint(0)
-	for i := range receipts {
-		if receipts[i].Type != txs[i].Type() {
-			t.Errorf("receipts[%d].Type = %d, want %d", i, receipts[i].Type, txs[i].Type())
-		}
-		if receipts[i].TxHash != txs[i].Hash() {
-			t.Errorf("receipts[%d].TxHash = %s, want %s", i, receipts[i].TxHash.String(), txs[i].Hash().String())
-		}
-		if receipts[i].BlockHash != hash {
-			t.Errorf("receipts[%d].BlockHash = %s, want %s", i, receipts[i].BlockHash.String(), hash.String())
-		}
-		if receipts[i].BlockNumber.Cmp(number) != 0 {
-			t.Errorf("receipts[%c].BlockNumber = %s, want %s", i, receipts[i].BlockNumber.String(), number.String())
-		}
-		if receipts[i].TransactionIndex != uint(i) {
-			t.Errorf("receipts[%d].TransactionIndex = %d, want %d", i, receipts[i].TransactionIndex, i)
-		}
-		if receipts[i].GasUsed != txs[i].Gas() {
-			t.Errorf("receipts[%d].GasUsed = %d, want %d", i, receipts[i].GasUsed, txs[i].Gas())
-		}
-		if txs[i].To() != nil && receipts[i].ContractAddress != (common.Address{}) {
-			t.Errorf("receipts[%d].ContractAddress = %s, want %s", i, receipts[i].ContractAddress.String(), (common.Address{}).String())
-		}
-		from, _ := Sender(signer, txs[i])
-		contractAddress := crypto.CreateAddress(from, txs[i].Nonce())
-		if txs[i].To() == nil && receipts[i].ContractAddress != contractAddress {
-			t.Errorf("receipts[%d].ContractAddress = %s, want %s", i, receipts[i].ContractAddress.String(), contractAddress.String())
-		}
-		for j := range receipts[i].Logs {
-			if receipts[i].Logs[j].BlockNumber != number.Uint64() {
-				t.Errorf("receipts[%d].Logs[%d].BlockNumber = %d, want %d", i, j, receipts[i].Logs[j].BlockNumber, number.Uint64())
-			}
-			if receipts[i].Logs[j].BlockHash != hash {
-				t.Errorf("receipts[%d].Logs[%d].BlockHash = %s, want %s", i, j, receipts[i].Logs[j].BlockHash.String(), hash.String())
-			}
-			if receipts[i].Logs[j].TxHash != txs[i].Hash() {
-				t.Errorf("receipts[%d].Logs[%d].TxHash = %s, want %s", i, j, receipts[i].Logs[j].TxHash.String(), txs[i].Hash().String())
-			}
-			if receipts[i].Logs[j].TxIndex != uint(i) {
-				t.Errorf("receipts[%d].Logs[%d].TransactionIndex = %d, want %d", i, j, receipts[i].Logs[j].TxIndex, i)
-			}
-			if receipts[i].Logs[j].Index != logIndex {
-				t.Errorf("receipts[%d].Logs[%d].Index = %d, want %d", i, j, receipts[i].Logs[j].Index, logIndex)
-			}
-			logIndex++
-		}
+	// Check diff of receipts against derivedReceipts.
+	r1, err := json.MarshalIndent(receipts, "", "  ")
+	if err != nil {
+		t.Fatal("error marshaling input receipts:", err)
+	}
+	r2, err := json.MarshalIndent(derivedReceipts, "", "  ")
+	if err != nil {
+		t.Fatal("error marshaling derived receipts:", err)
+	}
+	d := diff.Diff(string(r1), string(r2))
+	if d != "" {
+		t.Fatal("receipts differ:", d)
 	}
 }
 
@@ -474,41 +409,36 @@ func TestReceiptUnmarshalBinary(t *testing.T) {
 	}
 }
 
-func clearComputedFieldsOnReceipts(t *testing.T, receipts Receipts) {
-	t.Helper()
-
-	for _, receipt := range receipts {
-		clearComputedFieldsOnReceipt(t, receipt)
+func clearComputedFieldsOnReceipts(receipts []*Receipt) []*Receipt {
+	r := make([]*Receipt, len(receipts))
+	for i, receipt := range receipts {
+		r[i] = clearComputedFieldsOnReceipt(receipt)
 	}
+	return r
 }
 
-func clearComputedFieldsOnReceipt(t *testing.T, receipt *Receipt) {
-	t.Helper()
-
-	receipt.TxHash = common.Hash{}
-	receipt.BlockHash = common.Hash{}
-	receipt.BlockNumber = big.NewInt(math.MaxUint32)
-	receipt.TransactionIndex = math.MaxUint32
-	receipt.ContractAddress = common.Address{}
-	receipt.GasUsed = 0
-
-	clearComputedFieldsOnLogs(t, receipt.Logs)
+func clearComputedFieldsOnReceipt(receipt *Receipt) *Receipt {
+	cpy := *receipt
+	cpy.TxHash = common.Hash{0xff, 0xff, 0x11}
+	cpy.BlockHash = common.Hash{0xff, 0xff, 0x22}
+	cpy.BlockNumber = big.NewInt(math.MaxUint32)
+	cpy.TransactionIndex = math.MaxUint32
+	cpy.ContractAddress = common.Address{0xff, 0xff, 0x33}
+	cpy.GasUsed = 0xffffffff
+	cpy.Logs = clearComputedFieldsOnLogs(receipt.Logs)
+	return &cpy
 }
 
-func clearComputedFieldsOnLogs(t *testing.T, logs []*Log) {
-	t.Helper()
-
-	for _, log := range logs {
-		clearComputedFieldsOnLog(t, log)
-	}
-}
-
-func clearComputedFieldsOnLog(t *testing.T, log *Log) {
-	t.Helper()
-
-	log.BlockNumber = math.MaxUint32
-	log.BlockHash = common.Hash{}
-	log.TxHash = common.Hash{}
-	log.TxIndex = math.MaxUint32
-	log.Index = math.MaxUint32
+func clearComputedFieldsOnLogs(logs []*Log) []*Log {
+	l := make([]*Log, len(logs))
+	for i, log := range logs {
+		cpy := *log
+		cpy.BlockNumber = math.MaxUint32
+		cpy.BlockHash = common.Hash{}
+		cpy.TxHash = common.Hash{}
+		cpy.TxIndex = math.MaxUint32
+		cpy.Index = math.MaxUint32
+		l[i] = &cpy
+	}
+	return l
 }
diff --git a/core/types/transaction.go b/core/types/transaction.go
index 3ddbd4b696..95dae3aad2 100644
--- a/core/types/transaction.go
+++ b/core/types/transaction.go
@@ -95,6 +95,14 @@ type TxData interface {
 
 	rawSignatureValues() (v, r, s *big.Int)
 	setSignatureValues(chainID, v, r, s *big.Int)
+
+	// effectiveGasPrice computes the gas price paid by the transaction, given
+	// the inclusion block baseFee.
+	//
+	// Unlike other TxData methods, the returned *big.Int should be an independent
+	// copy of the computed value, i.e. callers are allowed to mutate the result.
+	// Method implementations can use 'dst' to store the result.
+	effectiveGasPrice(dst *big.Int, baseFee *big.Int) *big.Int
 }
 
 // EncodeRLP implements rlp.Encoder
@@ -141,7 +149,7 @@ func (tx *Transaction) DecodeRLP(s *rlp.Stream) error {
 		var inner LegacyTx
 		err := s.Decode(&inner)
 		if err == nil {
-			tx.setDecoded(&inner, int(rlp.ListSize(size)))
+			tx.setDecoded(&inner, rlp.ListSize(size))
 		}
 		return err
 	default:
@@ -152,7 +160,7 @@ func (tx *Transaction) DecodeRLP(s *rlp.Stream) error {
 		}
 		inner, err := tx.decodeTyped(b)
 		if err == nil {
-			tx.setDecoded(inner, len(b))
+			tx.setDecoded(inner, uint64(len(b)))
 		}
 		return err
 	}
@@ -168,7 +176,7 @@ func (tx *Transaction) UnmarshalBinary(b []byte) error {
 		if err != nil {
 			return err
 		}
-		tx.setDecoded(&data, len(b))
+		tx.setDecoded(&data, uint64(len(b)))
 		return nil
 	}
 	// It's an EIP2718 typed transaction envelope.
@@ -176,7 +184,7 @@ func (tx *Transaction) UnmarshalBinary(b []byte) error {
 	if err != nil {
 		return err
 	}
-	tx.setDecoded(inner, len(b))
+	tx.setDecoded(inner, uint64(len(b)))
 	return nil
 }
 
@@ -200,11 +208,11 @@ func (tx *Transaction) decodeTyped(b []byte) (TxData, error) {
 }
 
 // setDecoded sets the inner transaction and size after decoding.
-func (tx *Transaction) setDecoded(inner TxData, size int) {
+func (tx *Transaction) setDecoded(inner TxData, size uint64) {
 	tx.inner = inner
 	tx.time = time.Now()
 	if size > 0 {
-		tx.size.Store(common.StorageSize(size))
+		tx.size.Store(size)
 	}
 }
 
@@ -382,16 +390,21 @@ func (tx *Transaction) Hash() common.Hash {
 	return h
 }
 
-// Size returns the true RLP encoded storage size of the transaction, either by
-// encoding and returning it, or returning a previously cached value.
-func (tx *Transaction) Size() common.StorageSize {
+// Size returns the true encoded storage size of the transaction, either by encoding
+// and returning it, or returning a previously cached value.
+func (tx *Transaction) Size() uint64 {
 	if size := tx.size.Load(); size != nil {
-		return size.(common.StorageSize)
+		return size.(uint64)
 	}
 	c := writeCounter(0)
 	rlp.Encode(&c, &tx.inner)
-	tx.size.Store(common.StorageSize(c))
-	return common.StorageSize(c)
+
+	size := uint64(c)
+	if tx.Type() != LegacyTxType {
+		size += 1 // type byte
+	}
+	tx.size.Store(size)
+	return size
 }
 
 // WithSignature returns a new transaction with the given signature.
@@ -523,6 +536,7 @@ func (s *TxByPriceAndTime) Pop() interface{} {
 	old := *s
 	n := len(old)
 	x := old[n-1]
+	old[n-1] = nil
 	*s = old[0 : n-1]
 	return x
 }
@@ -595,74 +609,6 @@ func (t *TransactionsByPriceAndNonce) Pop() {
 	heap.Pop(&t.heads)
 }
 
-// Message is a fully derived transaction and implements core.Message
-//
-// NOTE: In a future PR this will be removed.
-type Message struct {
-	to         *common.Address
-	from       common.Address
-	nonce      uint64
-	amount     *big.Int
-	gasLimit   uint64
-	gasPrice   *big.Int
-	gasFeeCap  *big.Int
-	gasTipCap  *big.Int
-	data       []byte
-	accessList AccessList
-	isFake     bool
-}
-
-func NewMessage(from common.Address, to *common.Address, nonce uint64, amount *big.Int, gasLimit uint64, gasPrice, gasFeeCap, gasTipCap *big.Int, data []byte, accessList AccessList, isFake bool) Message {
-	return Message{
-		from:       from,
-		to:         to,
-		nonce:      nonce,
-		amount:     amount,
-		gasLimit:   gasLimit,
-		gasPrice:   gasPrice,
-		gasFeeCap:  gasFeeCap,
-		gasTipCap:  gasTipCap,
-		data:       data,
-		accessList: accessList,
-		isFake:     isFake,
-	}
-}
-
-// AsMessage returns the transaction as a core.Message.
-func (tx *Transaction) AsMessage(s Signer, baseFee *big.Int) (Message, error) {
-	msg := Message{
-		nonce:      tx.Nonce(),
-		gasLimit:   tx.Gas(),
-		gasPrice:   new(big.Int).Set(tx.GasPrice()),
-		gasFeeCap:  new(big.Int).Set(tx.GasFeeCap()),
-		gasTipCap:  new(big.Int).Set(tx.GasTipCap()),
-		to:         tx.To(),
-		amount:     tx.Value(),
-		data:       tx.Data(),
-		accessList: tx.AccessList(),
-		isFake:     false,
-	}
-	// If baseFee provided, set gasPrice to effectiveGasPrice.
-	if baseFee != nil {
-		msg.gasPrice = math.BigMin(msg.gasPrice.Add(msg.gasTipCap, baseFee), msg.gasFeeCap)
-	}
-	var err error
-	msg.from, err = Sender(s, tx)
-	return msg, err
-}
-
-func (m Message) From() common.Address   { return m.from }
-func (m Message) To() *common.Address    { return m.to }
-func (m Message) GasPrice() *big.Int     { return m.gasPrice }
-func (m Message) GasFeeCap() *big.Int    { return m.gasFeeCap }
-func (m Message) GasTipCap() *big.Int    { return m.gasTipCap }
-func (m Message) Value() *big.Int        { return m.amount }
-func (m Message) Gas() uint64            { return m.gasLimit }
-func (m Message) Nonce() uint64          { return m.nonce }
-func (m Message) Data() []byte           { return m.data }
-func (m Message) AccessList() AccessList { return m.accessList }
-func (m Message) IsFake() bool           { return m.isFake }
-
 // copyAddressPtr copies an address.
 func copyAddressPtr(a *common.Address) *common.Address {
 	if a == nil {
diff --git a/core/types/transaction_marshalling.go b/core/types/transaction_marshalling.go
index b5eaf017ba..6807158fa1 100644
--- a/core/types/transaction_marshalling.go
+++ b/core/types/transaction_marshalling.go
@@ -61,55 +61,55 @@ type txJSON struct {
 }
 
 // MarshalJSON marshals as JSON with a hash.
-func (t *Transaction) MarshalJSON() ([]byte, error) {
+func (tx *Transaction) MarshalJSON() ([]byte, error) {
 	var enc txJSON
 	// These are set for all tx types.
-	enc.Hash = t.Hash()
-	enc.Type = hexutil.Uint64(t.Type())
+	enc.Hash = tx.Hash()
+	enc.Type = hexutil.Uint64(tx.Type())
 
 	// Other fields are set conditionally depending on tx type.
-	switch tx := t.inner.(type) {
+	switch itx := tx.inner.(type) {
 	case *LegacyTx:
-		enc.Nonce = (*hexutil.Uint64)(&tx.Nonce)
-		enc.Gas = (*hexutil.Uint64)(&tx.Gas)
-		enc.GasPrice = (*hexutil.Big)(tx.GasPrice)
-		enc.Value = (*hexutil.Big)(tx.Value)
-		enc.Data = (*hexutil.Bytes)(&tx.Data)
-		enc.To = t.To()
-		enc.V = (*hexutil.Big)(tx.V)
-		enc.R = (*hexutil.Big)(tx.R)
-		enc.S = (*hexutil.Big)(tx.S)
+		enc.Nonce = (*hexutil.Uint64)(&itx.Nonce)
+		enc.Gas = (*hexutil.Uint64)(&itx.Gas)
+		enc.GasPrice = (*hexutil.Big)(itx.GasPrice)
+		enc.Value = (*hexutil.Big)(itx.Value)
+		enc.Data = (*hexutil.Bytes)(&itx.Data)
+		enc.To = tx.To()
+		enc.V = (*hexutil.Big)(itx.V)
+		enc.R = (*hexutil.Big)(itx.R)
+		enc.S = (*hexutil.Big)(itx.S)
 	case *AccessListTx:
-		enc.ChainID = (*hexutil.Big)(tx.ChainID)
-		enc.AccessList = &tx.AccessList
-		enc.Nonce = (*hexutil.Uint64)(&tx.Nonce)
-		enc.Gas = (*hexutil.Uint64)(&tx.Gas)
-		enc.GasPrice = (*hexutil.Big)(tx.GasPrice)
-		enc.Value = (*hexutil.Big)(tx.Value)
-		enc.Data = (*hexutil.Bytes)(&tx.Data)
-		enc.To = t.To()
-		enc.V = (*hexutil.Big)(tx.V)
-		enc.R = (*hexutil.Big)(tx.R)
-		enc.S = (*hexutil.Big)(tx.S)
+		enc.ChainID = (*hexutil.Big)(itx.ChainID)
+		enc.AccessList = &itx.AccessList
+		enc.Nonce = (*hexutil.Uint64)(&itx.Nonce)
+		enc.Gas = (*hexutil.Uint64)(&itx.Gas)
+		enc.GasPrice = (*hexutil.Big)(itx.GasPrice)
+		enc.Value = (*hexutil.Big)(itx.Value)
+		enc.Data = (*hexutil.Bytes)(&itx.Data)
+		enc.To = tx.To()
+		enc.V = (*hexutil.Big)(itx.V)
+		enc.R = (*hexutil.Big)(itx.R)
+		enc.S = (*hexutil.Big)(itx.S)
 	case *DynamicFeeTx:
-		enc.ChainID = (*hexutil.Big)(tx.ChainID)
-		enc.AccessList = &tx.AccessList
-		enc.Nonce = (*hexutil.Uint64)(&tx.Nonce)
-		enc.Gas = (*hexutil.Uint64)(&tx.Gas)
-		enc.MaxFeePerGas = (*hexutil.Big)(tx.GasFeeCap)
-		enc.MaxPriorityFeePerGas = (*hexutil.Big)(tx.GasTipCap)
-		enc.Value = (*hexutil.Big)(tx.Value)
-		enc.Data = (*hexutil.Bytes)(&tx.Data)
-		enc.To = t.To()
-		enc.V = (*hexutil.Big)(tx.V)
-		enc.R = (*hexutil.Big)(tx.R)
-		enc.S = (*hexutil.Big)(tx.S)
+		enc.ChainID = (*hexutil.Big)(itx.ChainID)
+		enc.AccessList = &itx.AccessList
+		enc.Nonce = (*hexutil.Uint64)(&itx.Nonce)
+		enc.Gas = (*hexutil.Uint64)(&itx.Gas)
+		enc.MaxFeePerGas = (*hexutil.Big)(itx.GasFeeCap)
+		enc.MaxPriorityFeePerGas = (*hexutil.Big)(itx.GasTipCap)
+		enc.Value = (*hexutil.Big)(itx.Value)
+		enc.Data = (*hexutil.Bytes)(&itx.Data)
+		enc.To = tx.To()
+		enc.V = (*hexutil.Big)(itx.V)
+		enc.R = (*hexutil.Big)(itx.R)
+		enc.S = (*hexutil.Big)(itx.S)
 	}
 	return json.Marshal(&enc)
 }
 
 // UnmarshalJSON unmarshals from JSON.
-func (t *Transaction) UnmarshalJSON(input []byte) error {
+func (tx *Transaction) UnmarshalJSON(input []byte) error {
 	var dec txJSON
 	if err := json.Unmarshal(input, &dec); err != nil {
 		return err
@@ -278,7 +278,7 @@ func (t *Transaction) UnmarshalJSON(input []byte) error {
 	}
 
 	// Now set the inner transaction.
-	t.setDecoded(inner, 0)
+	tx.setDecoded(inner, 0)
 
 	// TODO: check hash here?
 	return nil
diff --git a/core/types/transaction_signing.go b/core/types/transaction_signing.go
index d82bbe334b..3b2b36568b 100644
--- a/core/types/transaction_signing.go
+++ b/core/types/transaction_signing.go
@@ -47,7 +47,7 @@ type sigCache struct {
 }
 
 // MakeSigner returns a Signer based on the given chain config and block number or time.
-func MakeSigner(config *params.ChainConfig, blockNumber *big.Int, blockTime *big.Int) Signer {
+func MakeSigner(config *params.ChainConfig, blockNumber *big.Int, blockTime uint64) Signer {
 	switch {
 	case config.IsSubnetEVM(blockTime):
 		return NewLondonSigner(config.ChainID)
@@ -193,7 +193,7 @@ func (s londonSigner) Sender(tx *Transaction) (common.Address, error) {
 	// id, add 27 to become equivalent to unprotected Homestead signatures.
 	V = new(big.Int).Add(V, big.NewInt(27))
 	if tx.ChainId().Cmp(s.chainId) != 0 {
-		return common.Address{}, ErrInvalidChainId
+		return common.Address{}, fmt.Errorf("%w: have %d want %d", ErrInvalidChainId, tx.ChainId(), s.chainId)
 	}
 	return recoverPlain(s.Hash(tx), R, S, V, true)
 }
@@ -211,7 +211,7 @@ func (s londonSigner) SignatureValues(tx *Transaction, sig []byte) (R, S, V *big
 	// Check that chain ID of tx matches the signer. We also accept ID zero here,
 	// because it indicates that the chain ID was not specified in the tx.
 	if txdata.ChainID.Sign() != 0 && txdata.ChainID.Cmp(s.chainId) != 0 {
-		return nil, nil, nil, ErrInvalidChainId
+		return nil, nil, nil, fmt.Errorf("%w: have %d want %d", ErrInvalidChainId, txdata.ChainID, s.chainId)
 	}
 	R, S, _ = decodeSignature(sig)
 	V = big.NewInt(int64(sig[64]))
@@ -273,7 +273,7 @@ func (s eip2930Signer) Sender(tx *Transaction) (common.Address, error) {
 		return common.Address{}, ErrTxTypeNotSupported
 	}
 	if tx.ChainId().Cmp(s.chainId) != 0 {
-		return common.Address{}, ErrInvalidChainId
+		return common.Address{}, fmt.Errorf("%w: have %d want %d", ErrInvalidChainId, tx.ChainId(), s.chainId)
 	}
 	return recoverPlain(s.Hash(tx), R, S, V, true)
 }
@@ -286,7 +286,7 @@ func (s eip2930Signer) SignatureValues(tx *Transaction, sig []byte) (R, S, V *bi
 		// Check that chain ID of tx matches the signer. We also accept ID zero here,
 		// because it indicates that the chain ID was not specified in the tx.
 		if txdata.ChainID.Sign() != 0 && txdata.ChainID.Cmp(s.chainId) != 0 {
-			return nil, nil, nil, ErrInvalidChainId
+			return nil, nil, nil, fmt.Errorf("%w: have %d want %d", ErrInvalidChainId, txdata.ChainID, s.chainId)
 		}
 		R, S, _ = decodeSignature(sig)
 		V = big.NewInt(int64(sig[64]))
@@ -367,7 +367,7 @@ func (s EIP155Signer) Sender(tx *Transaction) (common.Address, error) {
 		return HomesteadSigner{}.Sender(tx)
 	}
 	if tx.ChainId().Cmp(s.chainId) != 0 {
-		return common.Address{}, ErrInvalidChainId
+		return common.Address{}, fmt.Errorf("%w: have %d want %d", ErrInvalidChainId, tx.ChainId(), s.chainId)
 	}
 	V, R, S := tx.RawSignatureValues()
 	V = new(big.Int).Sub(V, s.chainIdMul)
@@ -403,7 +403,7 @@ func (s EIP155Signer) Hash(tx *Transaction) common.Hash {
 	})
 }
 
-// HomesteadTransaction implements TransactionInterface using the
+// HomesteadSigner implements Signer interface using the
 // homestead rules.
 type HomesteadSigner struct{ FrontierSigner }
 
@@ -430,6 +430,8 @@ func (hs HomesteadSigner) Sender(tx *Transaction) (common.Address, error) {
 	return recoverPlain(hs.Hash(tx), r, s, v, true)
 }
 
+// FrontierSigner implements Signer interface using the
+// frontier rules.
 type FrontierSigner struct{}
 
 func (s FrontierSigner) ChainID() *big.Int {
diff --git a/core/types/transaction_signing_test.go b/core/types/transaction_signing_test.go
index 674173dc85..0976f59751 100644
--- a/core/types/transaction_signing_test.go
+++ b/core/types/transaction_signing_test.go
@@ -27,6 +27,7 @@
 package types
 
 import (
+	"errors"
 	"math/big"
 	"testing"
 
@@ -139,8 +140,8 @@ func TestChainId(t *testing.T) {
 	}
 
 	_, err = Sender(NewEIP155Signer(big.NewInt(2)), tx)
-	if err != ErrInvalidChainId {
-		t.Error("expected error:", ErrInvalidChainId)
+	if !errors.Is(err, ErrInvalidChainId) {
+		t.Error("expected error:", ErrInvalidChainId, err)
 	}
 
 	_, err = Sender(NewEIP155Signer(big.NewInt(1)), tx)
diff --git a/core/types/transaction_test.go b/core/types/transaction_test.go
index 4a73755879..995afbb9a0 100644
--- a/core/types/transaction_test.go
+++ b/core/types/transaction_test.go
@@ -30,6 +30,7 @@ import (
 	"bytes"
 	"crypto/ecdsa"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"math/big"
 	"math/rand"
@@ -180,14 +181,14 @@ func TestEIP2930Signer(t *testing.T) {
 			t.Errorf("test %d: wrong sig hash: got %x, want %x", i, sigHash, test.wantSignerHash)
 		}
 		sender, err := Sender(test.signer, test.tx)
-		if err != test.wantSenderErr {
+		if !errors.Is(err, test.wantSenderErr) {
 			t.Errorf("test %d: wrong Sender error %q", i, err)
 		}
 		if err == nil && sender != keyAddr {
 			t.Errorf("test %d: wrong sender address %x", i, sender)
 		}
 		signedTx, err := SignTx(test.tx, test.signer, key)
-		if err != test.wantSignErr {
+		if !errors.Is(err, test.wantSignErr) {
 			t.Fatalf("test %d: wrong SignTx error %q", i, err)
 		}
 		if signedTx != nil {
@@ -540,3 +541,71 @@ func assertEqual(orig *Transaction, cpy *Transaction) error {
 	}
 	return nil
 }
+
+func TestTransactionSizes(t *testing.T) {
+	signer := NewLondonSigner(big.NewInt(123))
+	key, _ := crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
+	to := common.HexToAddress("0x01")
+	for i, txdata := range []TxData{
+		&AccessListTx{
+			ChainID:  big.NewInt(123),
+			Nonce:    0,
+			To:       nil,
+			Value:    big.NewInt(1000),
+			Gas:      21000,
+			GasPrice: big.NewInt(100000),
+		},
+		&LegacyTx{
+			Nonce:    1,
+			GasPrice: big.NewInt(500),
+			Gas:      1000000,
+			To:       &to,
+			Value:    big.NewInt(1),
+		},
+		&AccessListTx{
+			ChainID:  big.NewInt(123),
+			Nonce:    1,
+			GasPrice: big.NewInt(500),
+			Gas:      1000000,
+			To:       &to,
+			Value:    big.NewInt(1),
+			AccessList: AccessList{
+				AccessTuple{
+					Address:     common.HexToAddress("0x01"),
+					StorageKeys: []common.Hash{common.HexToHash("0x01")},
+				}},
+		},
+		&DynamicFeeTx{
+			ChainID:   big.NewInt(123),
+			Nonce:     1,
+			Gas:       1000000,
+			To:        &to,
+			Value:     big.NewInt(1),
+			GasTipCap: big.NewInt(500),
+			GasFeeCap: big.NewInt(500),
+		},
+	} {
+		tx, err := SignNewTx(key, signer, txdata)
+		if err != nil {
+			t.Fatalf("test %d: %v", i, err)
+		}
+		bin, _ := tx.MarshalBinary()
+
+		// Check initial calc
+		if have, want := int(tx.Size()), len(bin); have != want {
+			t.Errorf("test %d: size wrong, have %d want %d", i, have, want)
+		}
+		// Check cached version too
+		if have, want := int(tx.Size()), len(bin); have != want {
+			t.Errorf("test %d: (cached) size wrong, have %d want %d", i, have, want)
+		}
+		// Check unmarshalled version too
+		utx := new(Transaction)
+		if err := utx.UnmarshalBinary(bin); err != nil {
+			t.Fatalf("test %d: failed to unmarshal tx: %v", i, err)
+		}
+		if have, want := int(utx.Size()), len(bin); have != want {
+			t.Errorf("test %d: (unmarshalled) size wrong, have %d want %d", i, have, want)
+		}
+	}
+}
diff --git a/core/types/access_list_tx.go b/core/types/tx_access_list.go
similarity index 97%
rename from core/types/access_list_tx.go
rename to core/types/tx_access_list.go
index 51a6bd0100..72cf8d661f 100644
--- a/core/types/access_list_tx.go
+++ b/core/types/tx_access_list.go
@@ -116,6 +116,10 @@ func (tx *AccessListTx) value() *big.Int        { return tx.Value }
 func (tx *AccessListTx) nonce() uint64          { return tx.Nonce }
 func (tx *AccessListTx) to() *common.Address    { return tx.To }
 
+func (tx *AccessListTx) effectiveGasPrice(dst *big.Int, baseFee *big.Int) *big.Int {
+	return dst.Set(tx.GasPrice)
+}
+
 func (tx *AccessListTx) rawSignatureValues() (v, r, s *big.Int) {
 	return tx.V, tx.R, tx.S
 }
diff --git a/core/types/dynamic_fee_tx.go b/core/types/tx_dynamic_fee.go
similarity index 93%
rename from core/types/dynamic_fee_tx.go
rename to core/types/tx_dynamic_fee.go
index c4ec28c55b..a43c91ae22 100644
--- a/core/types/dynamic_fee_tx.go
+++ b/core/types/tx_dynamic_fee.go
@@ -104,6 +104,17 @@ func (tx *DynamicFeeTx) value() *big.Int        { return tx.Value }
 func (tx *DynamicFeeTx) nonce() uint64          { return tx.Nonce }
 func (tx *DynamicFeeTx) to() *common.Address    { return tx.To }
 
+func (tx *DynamicFeeTx) effectiveGasPrice(dst *big.Int, baseFee *big.Int) *big.Int {
+	if baseFee == nil {
+		return dst.Set(tx.GasFeeCap)
+	}
+	tip := dst.Sub(tx.GasFeeCap, baseFee)
+	if tip.Cmp(tx.GasTipCap) > 0 {
+		tip.Set(tx.GasTipCap)
+	}
+	return tip.Add(tip, baseFee)
+}
+
 func (tx *DynamicFeeTx) rawSignatureValues() (v, r, s *big.Int) {
 	return tx.V, tx.R, tx.S
 }
diff --git a/core/types/legacy_tx.go b/core/types/tx_legacy.go
similarity index 97%
rename from core/types/legacy_tx.go
rename to core/types/tx_legacy.go
index a32340cbdc..84d16beef3 100644
--- a/core/types/legacy_tx.go
+++ b/core/types/tx_legacy.go
@@ -113,6 +113,10 @@ func (tx *LegacyTx) value() *big.Int        { return tx.Value }
 func (tx *LegacyTx) nonce() uint64          { return tx.Nonce }
 func (tx *LegacyTx) to() *common.Address    { return tx.To }
 
+func (tx *LegacyTx) effectiveGasPrice(dst *big.Int, baseFee *big.Int) *big.Int {
+	return dst.Set(tx.GasPrice)
+}
+
 func (tx *LegacyTx) rawSignatureValues() (v, r, s *big.Int) {
 	return tx.V, tx.R, tx.S
 }
diff --git a/core/vm/contracts.go b/core/vm/contracts.go
index 416f6ee095..69dc200531 100644
--- a/core/vm/contracts.go
+++ b/core/vm/contracts.go
@@ -43,7 +43,6 @@ import (
 	"github.com/ethereum/go-ethereum/crypto/blake2b"
 	"github.com/ethereum/go-ethereum/crypto/bls12381"
 	"github.com/ethereum/go-ethereum/crypto/bn256"
-
 	big2 "github.com/holiman/big"
 	"golang.org/x/crypto/ripemd160"
 )
@@ -276,7 +275,7 @@ func (c *dataCopy) RequiredGas(input []byte) uint64 {
 	return uint64(len(input)+31)/32*params.IdentityPerWordGas + params.IdentityBaseGas
 }
 func (c *dataCopy) Run(in []byte) ([]byte, error) {
-	return in, nil
+	return common.CopyBytes(in), nil
 }
 
 // bigModExp implements a native big integer exponential modular operation.
@@ -304,11 +303,10 @@ var (
 
 // modexpMultComplexity implements bigModexp multComplexity formula, as defined in EIP-198
 //
-// def mult_complexity(x):
-//
-//	if x <= 64: return x ** 2
-//	elif x <= 1024: return x ** 2 // 4 + 96 * x - 3072
-//	else: return x ** 2 // 16 + 480 * x - 199680
+//	def mult_complexity(x):
+//		if x <= 64: return x ** 2
+//		elif x <= 1024: return x ** 2 // 4 + 96 * x - 3072
+//		else: return x ** 2 // 16 + 480 * x - 199680
 //
 // where is x is max(length_of_MODULUS, length_of_BASE)
 func modexpMultComplexity(x *big.Int) *big.Int {
@@ -984,7 +982,7 @@ func (c *bls12381Pairing) Run(input []byte) ([]byte, error) {
 			return nil, errBLS12381G2PointSubgroup
 		}
 
-		// Update pairing engine with G1 and G2 ponits
+		// Update pairing engine with G1 and G2 points
 		e.AddPair(p1, p2)
 	}
 	// Prepare 32 byte output
diff --git a/core/vm/eips.go b/core/vm/eips.go
index ce1b422330..254062d09a 100644
--- a/core/vm/eips.go
+++ b/core/vm/eips.go
@@ -31,16 +31,20 @@ import (
 	"sort"
 
 	"github.com/ava-labs/subnet-evm/params"
+	"github.com/ava-labs/subnet-evm/vmerrs"
+	"github.com/ethereum/go-ethereum/common"
 	"github.com/holiman/uint256"
 )
 
 var activators = map[int]func(*JumpTable){
 	3855: enable3855,
+	3860: enable3860,
 	3198: enable3198,
 	2929: enable2929,
 	2200: enable2200,
 	1884: enable1884,
 	1344: enable1344,
+	1153: enable1153,
 }
 
 // EnableEIP enables the given EIP on the config.
@@ -169,6 +173,45 @@ func enable3198(jt *JumpTable) {
 	}
 }
 
+// enable1153 applies EIP-1153 "Transient Storage"
+// - Adds TLOAD that reads from transient storage
+// - Adds TSTORE that writes to transient storage
+func enable1153(jt *JumpTable) {
+	jt[TLOAD] = &operation{
+		execute:     opTload,
+		constantGas: params.WarmStorageReadCostEIP2929,
+		minStack:    minStack(1, 1),
+		maxStack:    maxStack(1, 1),
+	}
+
+	jt[TSTORE] = &operation{
+		execute:     opTstore,
+		constantGas: params.WarmStorageReadCostEIP2929,
+		minStack:    minStack(2, 0),
+		maxStack:    maxStack(2, 0),
+	}
+}
+
+// opTload implements TLOAD opcode
+func opTload(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
+	loc := scope.Stack.peek()
+	hash := common.Hash(loc.Bytes32())
+	val := interpreter.evm.StateDB.GetTransientState(scope.Contract.Address(), hash)
+	loc.SetBytes(val.Bytes())
+	return nil, nil
+}
+
+// opTstore implements TSTORE opcode
+func opTstore(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
+	if interpreter.readOnly {
+		return nil, vmerrs.ErrWriteProtection
+	}
+	loc := scope.Stack.pop()
+	val := scope.Stack.pop()
+	interpreter.evm.StateDB.SetTransientState(scope.Contract.Address(), loc.Bytes32(), val.Bytes32())
+	return nil, nil
+}
+
 // opBaseFee implements BASEFEE opcode
 func opBaseFee(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
 	baseFee, _ := uint256.FromBig(interpreter.evm.Context.BaseFee)
@@ -192,3 +235,10 @@ func opPush0(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]by
 	scope.Stack.push(new(uint256.Int))
 	return nil, nil
 }
+
+// ebnable3860 enables "EIP-3860: Limit and meter initcode"
+// https://eips.ethereum.org/EIPS/eip-3860
+func enable3860(jt *JumpTable) {
+	jt[CREATE].dynamicGas = gasCreateEip3860
+	jt[CREATE2].dynamicGas = gasCreate2Eip3860
+}
diff --git a/core/vm/evm.go b/core/vm/evm.go
index 764bce4e65..32a64e7c77 100644
--- a/core/vm/evm.go
+++ b/core/vm/evm.go
@@ -30,7 +30,6 @@ import (
 	"fmt"
 	"math/big"
 	"sync/atomic"
-	"time"
 
 	"github.com/ava-labs/avalanchego/snow"
 	"github.com/ava-labs/subnet-evm/constants"
@@ -116,7 +115,7 @@ type BlockContext struct {
 	Coinbase    common.Address // Provides information for COINBASE
 	GasLimit    uint64         // Provides information for GASLIMIT
 	BlockNumber *big.Int       // Provides information for NUMBER
-	Time        *big.Int       // Provides information for TIME
+	Time        uint64         // Provides information for TIME
 	Difficulty  *big.Int       // Provides information for DIFFICULTY
 	BaseFee     *big.Int       // Provides information for BASEFEE
 }
@@ -125,7 +124,7 @@ func (b *BlockContext) Number() *big.Int {
 	return b.BlockNumber
 }
 
-func (b *BlockContext) Timestamp() *big.Int {
+func (b *BlockContext) Timestamp() uint64 {
 	return b.Time
 }
 
@@ -185,7 +184,7 @@ func NewEVM(blockCtx BlockContext, txCtx TxContext, statedb StateDB, chainConfig
 		chainConfig: chainConfig,
 		chainRules:  chainConfig.AvalancheRules(blockCtx.BlockNumber, blockCtx.Time),
 	}
-	evm.interpreter = NewEVMInterpreter(evm, config)
+	evm.interpreter = NewEVMInterpreter(evm)
 	return evm
 }
 
@@ -227,6 +226,13 @@ func (evm *EVM) Interpreter() *EVMInterpreter {
 	return evm.interpreter
 }
 
+// SetBlockContext updates the block context of the EVM.
+func (evm *EVM) SetBlockContext(blockCtx BlockContext) {
+	evm.Context = blockCtx
+	num := blockCtx.BlockNumber
+	evm.chainRules = evm.chainConfig.AvalancheRules(num, blockCtx.Time)
+}
+
 // Call executes the contract associated with the addr with the given input as
 // parameters. It also handles any necessary value transfer required and takes
 // the necessary steps to create accounts and reverses the state in case of an
@@ -252,7 +258,7 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas
 			if evm.Config.Debug {
 				if evm.depth == 0 {
 					evm.Config.Tracer.CaptureStart(evm, caller.Address(), addr, false, input, gas, value)
-					evm.Config.Tracer.CaptureEnd(ret, 0, 0, nil)
+					evm.Config.Tracer.CaptureEnd(ret, 0, nil)
 				} else {
 					evm.Config.Tracer.CaptureEnter(CALL, caller.Address(), addr, input, gas, value)
 					evm.Config.Tracer.CaptureExit(ret, 0, nil)
@@ -268,9 +274,9 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas
 	if evm.Config.Debug {
 		if evm.depth == 0 {
 			evm.Config.Tracer.CaptureStart(evm, caller.Address(), addr, false, input, gas, value)
-			defer func(startGas uint64, startTime time.Time) { // Lazy evaluation of the parameters
-				evm.Config.Tracer.CaptureEnd(ret, startGas-gas, time.Since(startTime), err)
-			}(gas, time.Now())
+			defer func(startGas uint64) { // Lazy evaluation of the parameters
+				evm.Config.Tracer.CaptureEnd(ret, startGas-gas, err)
+			}(gas)
 		} else {
 			// Handle tracer events for entering and exiting a call frame
 			evm.Config.Tracer.CaptureEnter(CALL, caller.Address(), addr, input, gas, value)
@@ -313,11 +319,6 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas
 	return ret, gas, err
 }
 
-// CallFromPrecompile invokes Call to execute the contract with the given input parameters.
-func (evm *EVM) CallFromPrecompile(caller common.Address, addr common.Address, input []byte, gas uint64, value *big.Int) (ret []byte, leftOverGas uint64, err error) {
-	return evm.Call(AccountRef(caller), addr, input, gas, value)
-}
-
 // CallCode executes the contract associated with the addr with the given input
 // as parameters. It also handles any necessary value transfer required and takes
 // the necessary steps to create accounts and reverses the state in case of an
@@ -385,7 +386,11 @@ func (evm *EVM) DelegateCall(caller ContractRef, addr common.Address, input []by
 
 	// Invoke tracer hooks that signal entering/exiting a call frame
 	if evm.Config.Debug {
-		evm.Config.Tracer.CaptureEnter(DELEGATECALL, caller.Address(), addr, input, gas, nil)
+		// NOTE: caller must, at all times be a contract. It should never happen
+		// that caller is something other than a Contract.
+		parent := caller.(*Contract)
+		// DELEGATECALL inherits value from parent call
+		evm.Config.Tracer.CaptureEnter(DELEGATECALL, caller.Address(), addr, input, gas, parent.value)
 		defer func(startGas uint64) {
 			evm.Config.Tracer.CaptureExit(ret, startGas-gas, err)
 		}(gas)
@@ -541,8 +546,6 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
 		}
 	}
 
-	start := time.Now()
-
 	ret, err := evm.interpreter.Run(contract, nil, false)
 
 	// Check whether the max code size has been exceeded, assign err if the case.
@@ -580,7 +583,7 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
 
 	if evm.Config.Debug {
 		if evm.depth == 0 {
-			evm.Config.Tracer.CaptureEnd(ret, gas-contract.Gas, time.Since(start), err)
+			evm.Config.Tracer.CaptureEnd(ret, gas-contract.Gas, err)
 		} else {
 			evm.Config.Tracer.CaptureExit(ret, gas-contract.Gas, err)
 		}
diff --git a/core/vm/gas_table.go b/core/vm/gas_table.go
index 66b49f4e4a..36f0251301 100644
--- a/core/vm/gas_table.go
+++ b/core/vm/gas_table.go
@@ -128,20 +128,21 @@ func gasSStore(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySi
 			return params.SstoreResetGas, nil
 		}
 	}
+
 	// The new gas metering is based on net gas costs (EIP-1283):
 	//
-	// 1. If current value equals new value (this is a no-op), 200 gas is deducted.
-	// 2. If current value does not equal new value
-	//   2.1. If original value equals current value (this storage slot has not been changed by the current execution context)
-	//     2.1.1. If original value is 0, 20000 gas is deducted.
-	// 	   2.1.2. Otherwise, 5000 gas is deducted. If new value is 0, add 15000 gas to refund counter.
-	// 	2.2. If original value does not equal current value (this storage slot is dirty), 200 gas is deducted. Apply both of the following clauses.
-	// 	  2.2.1. If original value is not 0
-	//       2.2.1.1. If current value is 0 (also means that new value is not 0), remove 15000 gas from refund counter. We can prove that refund counter will never go below 0.
-	//       2.2.1.2. If new value is 0 (also means that current value is not 0), add 15000 gas to refund counter.
-	// 	  2.2.2. If original value equals new value (this storage slot is reset)
-	//       2.2.2.1. If original value is 0, add 19800 gas to refund counter.
-	// 	     2.2.2.2. Otherwise, add 4800 gas to refund counter.
+	// (1.) If current value equals new value (this is a no-op), 200 gas is deducted.
+	// (2.) If current value does not equal new value
+	//	(2.1.) If original value equals current value (this storage slot has not been changed by the current execution context)
+	//		(2.1.1.) If original value is 0, 20000 gas is deducted.
+	//		(2.1.2.) Otherwise, 5000 gas is deducted. If new value is 0, add 15000 gas to refund counter.
+	//	(2.2.) If original value does not equal current value (this storage slot is dirty), 200 gas is deducted. Apply both of the following clauses.
+	//		(2.2.1.) If original value is not 0
+	//			(2.2.1.1.) If current value is 0 (also means that new value is not 0), remove 15000 gas from refund counter. We can prove that refund counter will never go below 0.
+	//			(2.2.1.2.) If new value is 0 (also means that current value is not 0), add 15000 gas to refund counter.
+	//		(2.2.2.) If original value equals new value (this storage slot is reset)
+	//			(2.2.2.1.) If original value is 0, add 19800 gas to refund counter.
+	//			(2.2.2.2.) Otherwise, add 4800 gas to refund counter.
 	value := common.Hash(y.Bytes32())
 	if current == value { // noop (1)
 		return params.NetSstoreNoopGas, nil
@@ -173,20 +174,21 @@ func gasSStore(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySi
 	return params.NetSstoreDirtyGas, nil
 }
 
-//nolint
-// 0. If *gasleft* is less than or equal to 2300, fail the current call.
-// 1. If current value equals new value (this is a no-op), SLOAD_GAS is deducted.
-// 2. If current value does not equal new value:
-//   2.1. If original value equals current value (this storage slot has not been changed by the current execution context):
-//     2.1.1. If original value is 0, SSTORE_SET_GAS (20K) gas is deducted.
-//     2.1.2. Otherwise, SSTORE_RESET_GAS gas is deducted. If new value is 0, add SSTORE_CLEARS_SCHEDULE to refund counter.
-//   2.2. If original value does not equal current value (this storage slot is dirty), SLOAD_GAS gas is deducted. Apply both of the following clauses:
-//     2.2.1. If original value is not 0:
-//       2.2.1.1. If current value is 0 (also means that new value is not 0), subtract SSTORE_CLEARS_SCHEDULE gas from refund counter.
-//       2.2.1.2. If new value is 0 (also means that current value is not 0), add SSTORE_CLEARS_SCHEDULE gas to refund counter.
-//     2.2.2. If original value equals new value (this storage slot is reset):
-//       2.2.2.1. If original value is 0, add SSTORE_SET_GAS - SLOAD_GAS to refund counter.
-//       2.2.2.2. Otherwise, add SSTORE_RESET_GAS - SLOAD_GAS gas to refund counter.
+// Here come the EIP2200 rules:
+//
+//	(0.) If *gasleft* is less than or equal to 2300, fail the current call.
+//	(1.) If current value equals new value (this is a no-op), SLOAD_GAS is deducted.
+//	(2.) If current value does not equal new value:
+//		(2.1.) If original value equals current value (this storage slot has not been changed by the current execution context):
+//			(2.1.1.) If original value is 0, SSTORE_SET_GAS (20K) gas is deducted.
+//			(2.1.2.) Otherwise, SSTORE_RESET_GAS gas is deducted. If new value is 0, add SSTORE_CLEARS_SCHEDULE to refund counter.
+//		(2.2.) If original value does not equal current value (this storage slot is dirty), SLOAD_GAS gas is deducted. Apply both of the following clauses:
+//			(2.2.1.) If original value is not 0:
+//				(2.2.1.1.) If current value is 0 (also means that new value is not 0), subtract SSTORE_CLEARS_SCHEDULE gas from refund counter.
+//				(2.2.1.2.) If new value is 0 (also means that current value is not 0), add SSTORE_CLEARS_SCHEDULE gas to refund counter.
+//			(2.2.2.) If original value equals new value (this storage slot is reset):
+//				(2.2.2.1.) If original value is 0, add SSTORE_SET_GAS - SLOAD_GAS to refund counter.
+//				(2.2.2.2.) Otherwise, add SSTORE_RESET_GAS - SLOAD_GAS gas to refund counter.
 func gasSStoreEIP2200(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) {
 	// If we fail the minimum gas availability invariant, fail (0)
 	if contract.Gas <= params.SstoreSentryGasEIP2200 {
@@ -311,6 +313,39 @@ func gasCreate2(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memoryS
 	return gas, nil
 }
 
+func gasCreateEip3860(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) {
+	gas, err := memoryGasCost(mem, memorySize)
+	if err != nil {
+		return 0, err
+	}
+	size, overflow := stack.Back(2).Uint64WithOverflow()
+	if overflow || size > params.MaxInitCodeSize {
+		return 0, vmerrs.ErrGasUintOverflow
+	}
+	// Since size <= params.MaxInitCodeSize, these multiplication cannot overflow
+	moreGas := params.InitCodeWordGas * ((size + 31) / 32)
+	if gas, overflow = math.SafeAdd(gas, moreGas); overflow {
+		return 0, vmerrs.ErrGasUintOverflow
+	}
+	return gas, nil
+}
+func gasCreate2Eip3860(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) {
+	gas, err := memoryGasCost(mem, memorySize)
+	if err != nil {
+		return 0, err
+	}
+	size, overflow := stack.Back(2).Uint64WithOverflow()
+	if overflow || size > params.MaxInitCodeSize {
+		return 0, vmerrs.ErrGasUintOverflow
+	}
+	// Since size <= params.MaxInitCodeSize, these multiplication cannot overflow
+	moreGas := (params.InitCodeWordGas + params.Keccak256WordGas) * ((size + 31) / 32)
+	if gas, overflow = math.SafeAdd(gas, moreGas); overflow {
+		return 0, vmerrs.ErrGasUintOverflow
+	}
+	return gas, nil
+}
+
 func gasExpFrontier(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) {
 	expByteLen := uint64((stack.data[stack.len()-2].BitLen() + 7) / 8)
 
diff --git a/core/vm/gas_table_test.go b/core/vm/gas_table_test.go
index 134305db02..78af5c359e 100644
--- a/core/vm/gas_table_test.go
+++ b/core/vm/gas_table_test.go
@@ -27,8 +27,10 @@
 package vm
 
 import (
+	"bytes"
 	"math"
 	"math/big"
+	"sort"
 	"testing"
 
 	"github.com/ava-labs/subnet-evm/core/rawdb"
@@ -116,3 +118,75 @@ func TestEIP2200(t *testing.T) {
 		}
 	}
 }
+
+var createGasTests = []struct {
+	code       string
+	eip3860    bool
+	gasUsed    uint64
+	minimumGas uint64
+}{
+	// legacy create(0, 0, 0xc000) without 3860 used
+	{"0x61C00060006000f0" + "600052" + "60206000F3", false, 41237, 41237},
+	// legacy create(0, 0, 0xc000) _with_ 3860
+	{"0x61C00060006000f0" + "600052" + "60206000F3", true, 44309, 44309},
+	// create2(0, 0, 0xc001, 0) without 3860
+	{"0x600061C00160006000f5" + "600052" + "60206000F3", false, 50471, 50471},
+	// create2(0, 0, 0xc001, 0) (too large), with 3860
+	{"0x600061C00160006000f5" + "600052" + "60206000F3", true, 32012, 100_000},
+	// create2(0, 0, 0xc000, 0)
+	// This case is trying to deploy code at (within) the limit
+	{"0x600061C00060006000f5" + "600052" + "60206000F3", true, 53528, 53528},
+	// create2(0, 0, 0xc001, 0)
+	// This case is trying to deploy code exceeding the limit
+	{"0x600061C00160006000f5" + "600052" + "60206000F3", true, 32024, 100000},
+}
+
+func TestCreateGas(t *testing.T) {
+	for i, tt := range createGasTests {
+		var gasUsed = uint64(0)
+		doCheck := func(testGas int) bool {
+			address := common.BytesToAddress([]byte("contract"))
+			statedb, _ := state.New(common.Hash{}, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
+			statedb.CreateAccount(address)
+			statedb.SetCode(address, hexutil.MustDecode(tt.code))
+			statedb.Finalise(true)
+			vmctx := BlockContext{
+				CanTransfer: func(StateDB, common.Address, *big.Int) bool { return true },
+				Transfer:    func(StateDB, common.Address, common.Address, *big.Int) {},
+				BlockNumber: big.NewInt(0),
+			}
+			config := Config{}
+			if tt.eip3860 {
+				config.ExtraEips = []int{3860}
+			}
+
+			// Note: we use TestSubnetEVMConfig instead of AllEthashProtocolChanges (upstream)
+			// because it is the last fork before the activation of EIP-3860
+			vmenv := NewEVM(vmctx, TxContext{}, statedb, params.TestSubnetEVMConfig, config)
+			var startGas = uint64(testGas)
+			ret, gas, err := vmenv.Call(AccountRef(common.Address{}), address, nil, startGas, new(big.Int))
+			if err != nil {
+				return false
+			}
+			gasUsed = startGas - gas
+			if len(ret) != 32 {
+				t.Fatalf("test %d: expected 32 bytes returned, have %d", i, len(ret))
+			}
+			if bytes.Equal(ret, make([]byte, 32)) {
+				// Failure
+				return false
+			}
+			return true
+		}
+		minGas := sort.Search(100_000, doCheck)
+		if uint64(minGas) != tt.minimumGas {
+			t.Fatalf("test %d: min gas error, want %d, have %d", i, tt.minimumGas, minGas)
+		}
+		// If the deployment succeeded, we also check the gas used
+		if minGas < 100_000 {
+			if gasUsed != tt.gasUsed {
+				t.Errorf("test %d: gas used mismatch: have %v, want %v", i, gasUsed, tt.gasUsed)
+			}
+		}
+	}
+}
diff --git a/core/vm/instructions.go b/core/vm/instructions.go
index f0fb835612..0918f8431a 100644
--- a/core/vm/instructions.go
+++ b/core/vm/instructions.go
@@ -32,8 +32,8 @@ import (
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ava-labs/subnet-evm/vmerrs"
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/holiman/uint256"
-	"golang.org/x/crypto/sha3"
 )
 
 func opAdd(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
@@ -248,7 +248,7 @@ func opKeccak256(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) (
 	data := scope.Memory.GetPtr(int64(offset.Uint64()), int64(size.Uint64()))
 
 	if interpreter.hasher == nil {
-		interpreter.hasher = sha3.NewLegacyKeccak256().(keccakState)
+		interpreter.hasher = crypto.NewKeccakState()
 	} else {
 		interpreter.hasher.Reset()
 	}
@@ -403,35 +403,28 @@ func opExtCodeCopy(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext)
 // There are several cases when the function is called, while we can relay everything
 // to `state.GetCodeHash` function to ensure the correctness.
 //
-//	(1) Caller tries to get the code hash of a normal contract account, state
+//  1. Caller tries to get the code hash of a normal contract account, state
+//     should return the relative code hash and set it as the result.
 //
-// should return the relative code hash and set it as the result.
+//  2. Caller tries to get the code hash of a non-existent account, state should
+//     return common.Hash{} and zero will be set as the result.
 //
-//	(2) Caller tries to get the code hash of a non-existent account, state should
+//  3. Caller tries to get the code hash for an account without contract code, state
+//     should return emptyCodeHash(0xc5d246...) as the result.
 //
-// return common.Hash{} and zero will be set as the result.
+//  4. Caller tries to get the code hash of a precompiled account, the result should be
+//     zero or emptyCodeHash.
 //
-//	(3) Caller tries to get the code hash for an account without contract code,
-//
-// state should return emptyCodeHash(0xc5d246...) as the result.
-//
-//	(4) Caller tries to get the code hash of a precompiled account, the result
-//
-// should be zero or emptyCodeHash.
-//
-// It is worth noting that in order to avoid unnecessary create and clean,
-// all precompile accounts on mainnet have been transferred 1 wei, so the return
-// here should be emptyCodeHash.
-// If the precompile account is not transferred any amount on a private or
+// It is worth noting that in order to avoid unnecessary create and clean, all precompile
+// accounts on mainnet have been transferred 1 wei, so the return here should be
+// emptyCodeHash. If the precompile account is not transferred any amount on a private or
 // customized chain, the return value will be zero.
 //
-//	(5) Caller tries to get the code hash for an account which is marked as suicided
+//  5. Caller tries to get the code hash for an account which is marked as suicided
+//     in the current transaction, the code hash of this account should be returned.
 //
-// in the current transaction, the code hash of this account should be returned.
-//
-//	(6) Caller tries to get the code hash for an account which is marked as deleted,
-//
-// this account should be regarded as a non-existent account and zero should be returned.
+//  6. Caller tries to get the code hash for an account which is marked as deleted, this
+//     account should be regarded as a non-existent account and zero should be returned.
 func opExtCodeHash(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
 	slot := scope.Stack.peek()
 	address := common.Address(slot.Bytes20())
@@ -477,8 +470,7 @@ func opCoinbase(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([
 }
 
 func opTimestamp(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
-	v, _ := uint256.FromBig(interpreter.evm.Context.Time)
-	scope.Stack.push(v)
+	scope.Stack.push(new(uint256.Int).SetUint64(interpreter.evm.Context.Time))
 	return nil, nil
 }
 
@@ -538,8 +530,7 @@ func opSstore(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]b
 	}
 	loc := scope.Stack.pop()
 	val := scope.Stack.pop()
-	interpreter.evm.StateDB.SetState(scope.Contract.Address(),
-		loc.Bytes32(), val.Bytes32())
+	interpreter.evm.StateDB.SetState(scope.Contract.Address(), loc.Bytes32(), val.Bytes32())
 	return nil, nil
 }
 
@@ -645,7 +636,6 @@ func opCreate2(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]
 		input        = scope.Memory.GetCopy(int64(offset.Uint64()), int64(size.Uint64()))
 		gas          = scope.Contract.Gas
 	)
-
 	// Apply EIP150
 	gas -= gas / 64
 	scope.Contract.UseGas(gas)
@@ -707,7 +697,6 @@ func opCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byt
 	}
 	stack.push(&temp)
 	if err == nil || err == vmerrs.ErrExecutionReverted {
-		ret = common.CopyBytes(ret)
 		scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
 	}
 	scope.Contract.Gas += returnGas
@@ -743,7 +732,6 @@ func opCallCode(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([
 	}
 	stack.push(&temp)
 	if err == nil || err == vmerrs.ErrExecutionReverted {
-		ret = common.CopyBytes(ret)
 		scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
 	}
 	scope.Contract.Gas += returnGas
@@ -772,7 +760,6 @@ func opDelegateCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext
 	}
 	stack.push(&temp)
 	if err == nil || err == vmerrs.ErrExecutionReverted {
-		ret = common.CopyBytes(ret)
 		scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
 	}
 	scope.Contract.Gas += returnGas
@@ -801,7 +788,6 @@ func opStaticCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext)
 	}
 	stack.push(&temp)
 	if err == nil || err == vmerrs.ErrExecutionReverted {
-		ret = common.CopyBytes(ret)
 		scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
 	}
 	scope.Contract.Gas += returnGas
@@ -841,9 +827,9 @@ func opSelfdestruct(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext
 	balance := interpreter.evm.StateDB.GetBalance(scope.Contract.Address())
 	interpreter.evm.StateDB.AddBalance(beneficiary.Bytes20(), balance)
 	interpreter.evm.StateDB.Suicide(scope.Contract.Address())
-	if interpreter.cfg.Debug {
-		interpreter.cfg.Tracer.CaptureEnter(SELFDESTRUCT, scope.Contract.Address(), beneficiary.Bytes20(), []byte{}, 0, balance)
-		interpreter.cfg.Tracer.CaptureExit([]byte{}, 0, nil)
+	if interpreter.evm.Config.Debug {
+		interpreter.evm.Config.Tracer.CaptureEnter(SELFDESTRUCT, scope.Contract.Address(), beneficiary.Bytes20(), []byte{}, 0, balance)
+		interpreter.evm.Config.Tracer.CaptureExit([]byte{}, 0, nil)
 	}
 	return nil, errStopToken
 }
diff --git a/core/vm/instructions_test.go b/core/vm/instructions_test.go
index 9482241d11..e98ce19aaa 100644
--- a/core/vm/instructions_test.go
+++ b/core/vm/instructions_test.go
@@ -34,6 +34,8 @@ import (
 	"os"
 	"testing"
 
+	"github.com/ava-labs/subnet-evm/core/rawdb"
+	"github.com/ava-labs/subnet-evm/core/state"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
@@ -55,6 +57,14 @@ var alphabetSoup = "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffff
 var commonParams []*twoOperandParams
 var twoOpMethods map[string]executionFunc
 
+type contractRef struct {
+	addr common.Address
+}
+
+func (c contractRef) Address() common.Address {
+	return c.addr
+}
+
 func init() {
 	// Params is a list of common edgecases that should be used for some common tests
 	params := []string{
@@ -203,7 +213,7 @@ func TestAddMod(t *testing.T) {
 	var (
 		env            = NewEVM(BlockContext{}, TxContext{}, nil, params.TestChainConfig, Config{})
 		stack          = newstack()
-		evmInterpreter = NewEVMInterpreter(env, env.Config)
+		evmInterpreter = NewEVMInterpreter(env)
 		pc             = uint64(0)
 	)
 	tests := []struct {
@@ -293,7 +303,7 @@ func opBenchmark(bench *testing.B, op executionFunc, args ...string) {
 		env            = NewEVM(BlockContext{}, TxContext{}, nil, params.TestChainConfig, Config{})
 		stack          = newstack()
 		scope          = &ScopeContext{nil, stack, nil}
-		evmInterpreter = NewEVMInterpreter(env, env.Config)
+		evmInterpreter = NewEVMInterpreter(env)
 	)
 
 	env.interpreter = evmInterpreter
@@ -534,7 +544,7 @@ func TestOpMstore(t *testing.T) {
 		env            = NewEVM(BlockContext{}, TxContext{}, nil, params.TestChainConfig, Config{})
 		stack          = newstack()
 		mem            = NewMemory()
-		evmInterpreter = NewEVMInterpreter(env, env.Config)
+		evmInterpreter = NewEVMInterpreter(env)
 	)
 
 	env.interpreter = evmInterpreter
@@ -560,7 +570,7 @@ func BenchmarkOpMstore(bench *testing.B) {
 		env            = NewEVM(BlockContext{}, TxContext{}, nil, params.TestChainConfig, Config{})
 		stack          = newstack()
 		mem            = NewMemory()
-		evmInterpreter = NewEVMInterpreter(env, env.Config)
+		evmInterpreter = NewEVMInterpreter(env)
 	)
 
 	env.interpreter = evmInterpreter
@@ -577,12 +587,55 @@ func BenchmarkOpMstore(bench *testing.B) {
 	}
 }
 
+func TestOpTstore(t *testing.T) {
+	var (
+		statedb, _     = state.New(common.Hash{}, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
+		env            = NewEVM(BlockContext{}, TxContext{}, statedb, params.TestChainConfig, Config{})
+		stack          = newstack()
+		mem            = NewMemory()
+		evmInterpreter = NewEVMInterpreter(env)
+		caller         = common.Address{}
+		to             = common.Address{1}
+		contractRef    = contractRef{caller}
+		contract       = NewContract(contractRef, AccountRef(to), new(big.Int), 0)
+		scopeContext   = ScopeContext{mem, stack, contract}
+		value          = common.Hex2Bytes("abcdef00000000000000abba000000000deaf000000c0de00100000000133700")
+	)
+
+	// Add a stateObject for the caller and the contract being called
+	statedb.CreateAccount(caller)
+	statedb.CreateAccount(to)
+
+	env.interpreter = evmInterpreter
+	pc := uint64(0)
+	// push the value to the stack
+	stack.push(new(uint256.Int).SetBytes(value))
+	// push the location to the stack
+	stack.push(new(uint256.Int))
+	opTstore(&pc, evmInterpreter, &scopeContext)
+	// there should be no elements on the stack after TSTORE
+	if stack.len() != 0 {
+		t.Fatal("stack wrong size")
+	}
+	// push the location to the stack
+	stack.push(new(uint256.Int))
+	opTload(&pc, evmInterpreter, &scopeContext)
+	// there should be one element on the stack after TLOAD
+	if stack.len() != 1 {
+		t.Fatal("stack wrong size")
+	}
+	val := stack.peek()
+	if !bytes.Equal(val.Bytes(), value) {
+		t.Fatal("incorrect element read from transient storage")
+	}
+}
+
 func BenchmarkOpKeccak256(bench *testing.B) {
 	var (
 		env            = NewEVM(BlockContext{}, TxContext{}, nil, params.TestChainConfig, Config{})
 		stack          = newstack()
 		mem            = NewMemory()
-		evmInterpreter = NewEVMInterpreter(env, env.Config)
+		evmInterpreter = NewEVMInterpreter(env)
 	)
 	env.interpreter = evmInterpreter
 	mem.Resize(32)
diff --git a/core/vm/interface.go b/core/vm/interface.go
index 00dd124465..633f1283dd 100644
--- a/core/vm/interface.go
+++ b/core/vm/interface.go
@@ -58,6 +58,9 @@ type StateDB interface {
 	GetState(common.Address, common.Hash) common.Hash
 	SetState(common.Address, common.Hash, common.Hash)
 
+	GetTransientState(addr common.Address, key common.Hash) common.Hash
+	SetTransientState(addr common.Address, key, value common.Hash)
+
 	Suicide(common.Address) bool
 	HasSuicided(common.Address) bool
 	Finalise(deleteEmptyObjects bool)
@@ -69,7 +72,6 @@ type StateDB interface {
 	// is defined according to EIP161 (balance = nonce = code = 0).
 	Empty(common.Address) bool
 
-	PrepareAccessList(sender common.Address, dest *common.Address, rules params.Rules, precompiles []common.Address, txAccesses types.AccessList)
 	AddressInAccessList(addr common.Address) bool
 	SlotInAccessList(addr common.Address, slot common.Hash) (addressOk bool, slotOk bool)
 	// AddAddressToAccessList adds the given address to the access list. This operation is safe to perform
@@ -78,12 +80,15 @@ type StateDB interface {
 	// AddSlotToAccessList adds the given (address,slot) to the access list. This operation is safe to perform
 	// even if the feature/fork is not active yet
 	AddSlotToAccessList(addr common.Address, slot common.Hash)
+	Prepare(rules params.Rules, sender, coinbase common.Address, dest *common.Address, precompiles []common.Address, txAccesses types.AccessList)
 
 	RevertToSnapshot(int)
 	Snapshot() int
 
 	AddLog(addr common.Address, topics []common.Hash, data []byte, blockNumber uint64)
+	GetLogData() [][]byte
 	GetPredicateStorageSlots(address common.Address) ([]byte, bool)
+	SetPredicateStorageSlots(address common.Address, predicate []byte)
 	AddPreimage(common.Hash, []byte)
 
 	ForEachStorage(common.Address, func(common.Hash, common.Hash) bool) error
@@ -92,12 +97,12 @@ type StateDB interface {
 // CallContext provides a basic interface for the EVM calling conventions. The EVM
 // depends on this context being implemented for doing subcalls and initialising new EVM contracts.
 type CallContext interface {
-	// Call another contract
+	// Call calls another contract.
 	Call(env *EVM, me ContractRef, addr common.Address, data []byte, gas, value *big.Int) ([]byte, error)
-	// Take another's contract code and execute within our own context
+	// CallCode takes another contracts code and execute within our own context
 	CallCode(env *EVM, me ContractRef, addr common.Address, data []byte, gas, value *big.Int) ([]byte, error)
-	// Same as CallCode except sender and value is propagated from parent to child scope
+	// DelegateCall is same as CallCode except sender and value is propagated from parent to child scope
 	DelegateCall(env *EVM, me ContractRef, addr common.Address, data []byte, gas *big.Int) ([]byte, error)
-	// Create a new contract
+	// Create creates a new contract
 	Create(env *EVM, me ContractRef, data []byte, gas, value *big.Int) ([]byte, common.Address, error)
 }
diff --git a/core/vm/interpreter.go b/core/vm/interpreter.go
index 221681ac17..b48aa83dba 100644
--- a/core/vm/interpreter.go
+++ b/core/vm/interpreter.go
@@ -27,11 +27,10 @@
 package vm
 
 import (
-	"hash"
-
 	"github.com/ava-labs/subnet-evm/vmerrs"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/math"
+	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/log"
 )
 
@@ -41,10 +40,7 @@ type Config struct {
 	Tracer                  EVMLogger // Opcode logger
 	NoBaseFee               bool      // Forces the EIP-1559 baseFee to 0 (needed for 0 price calls)
 	EnablePreimageRecording bool      // Enables recording of SHA3/keccak preimages
-
-	JumpTable *JumpTable // EVM instruction table, automatically populated if unset
-
-	ExtraEips []int // Additional EIPS that are to be enabled
+	ExtraEips               []int     // Additional EIPS that are to be enabled
 
 	// AllowUnfinalizedQueries allow unfinalized queries
 	AllowUnfinalizedQueries bool
@@ -58,63 +54,57 @@ type ScopeContext struct {
 	Contract *Contract
 }
 
-// keccakState wraps sha3.state. In addition to the usual hash methods, it also supports
-// Read to get a variable amount of data from the hash state. Read is faster than Sum
-// because it doesn't copy the internal state, but also modifies the internal state.
-type keccakState interface {
-	hash.Hash
-	Read([]byte) (int, error)
-}
-
 // EVMInterpreter represents an EVM interpreter
 type EVMInterpreter struct {
-	evm *EVM
-	cfg Config
+	evm   *EVM
+	table *JumpTable
 
-	hasher    keccakState // Keccak256 hasher instance shared across opcodes
-	hasherBuf common.Hash // Keccak256 hasher result array shared aross opcodes
+	hasher    crypto.KeccakState // Keccak256 hasher instance shared across opcodes
+	hasherBuf common.Hash        // Keccak256 hasher result array shared aross opcodes
 
 	readOnly   bool   // Whether to throw on stateful modifications
 	returnData []byte // Last CALL's return data for subsequent reuse
 }
 
 // NewEVMInterpreter returns a new instance of the Interpreter.
-func NewEVMInterpreter(evm *EVM, cfg Config) *EVMInterpreter {
+func NewEVMInterpreter(evm *EVM) *EVMInterpreter {
 	// If jump table was not initialised we set the default one.
-	if cfg.JumpTable == nil {
-		switch {
-		case evm.chainRules.IsSubnetEVM:
-			cfg.JumpTable = &subnetEVMInstructionSet
-		case evm.chainRules.IsIstanbul:
-			cfg.JumpTable = &istanbulInstructionSet
-		case evm.chainRules.IsConstantinople:
-			cfg.JumpTable = &constantinopleInstructionSet
-		case evm.chainRules.IsByzantium:
-			cfg.JumpTable = &byzantiumInstructionSet
-		case evm.chainRules.IsEIP158:
-			cfg.JumpTable = &spuriousDragonInstructionSet
-		case evm.chainRules.IsEIP150:
-			cfg.JumpTable = &tangerineWhistleInstructionSet
-		case evm.chainRules.IsHomestead:
-			cfg.JumpTable = &homesteadInstructionSet
-		default:
-			cfg.JumpTable = &frontierInstructionSet
-		}
-		for i, eip := range cfg.ExtraEips {
-			copy := *cfg.JumpTable
-			if err := EnableEIP(eip, &copy); err != nil {
-				// Disable it, so caller can check if it's activated or not
-				cfg.ExtraEips = append(cfg.ExtraEips[:i], cfg.ExtraEips[i+1:]...)
-				log.Error("EIP activation failed", "eip", eip, "error", err)
-			}
-			cfg.JumpTable = &copy
-		}
+	var table *JumpTable
+	switch {
+	case evm.chainRules.IsDUpgrade:
+		table = &dUpgradeInstructionSet
+	case evm.chainRules.IsSubnetEVM:
+		table = &subnetEVMInstructionSet
+	case evm.chainRules.IsIstanbul:
+		table = &istanbulInstructionSet
+	case evm.chainRules.IsConstantinople:
+		table = &constantinopleInstructionSet
+	case evm.chainRules.IsByzantium:
+		table = &byzantiumInstructionSet
+	case evm.chainRules.IsEIP158:
+		table = &spuriousDragonInstructionSet
+	case evm.chainRules.IsEIP150:
+		table = &tangerineWhistleInstructionSet
+	case evm.chainRules.IsHomestead:
+		table = &homesteadInstructionSet
+	default:
+		table = &frontierInstructionSet
 	}
-
-	return &EVMInterpreter{
-		evm: evm,
-		cfg: cfg,
+	var extraEips []int
+	if len(evm.Config.ExtraEips) > 0 {
+		// Deep-copy jumptable to prevent modification of opcodes in other tables
+		table = copyJumpTable(table)
+	}
+	for _, eip := range evm.Config.ExtraEips {
+		if err := EnableEIP(eip, table); err != nil {
+			// Disable it, so caller can check if it's activated or not
+			log.Error("EIP activation failed", "eip", eip, "error", err)
+		} else {
+			extraEips = append(extraEips, eip)
+		}
 	}
+	evm.Config.ExtraEips = extraEips
+	return &EVMInterpreter{evm: evm, table: table}
 }
 
 // Run loops and evaluates the contract's code with the given input data and returns
@@ -175,13 +165,13 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
 	}()
 	contract.Input = input
 
-	if in.cfg.Debug {
+	if in.evm.Config.Debug {
 		defer func() {
 			if err != nil {
 				if !logged {
-					in.cfg.Tracer.CaptureState(pcCopy, op, gasCopy, cost, callContext, in.returnData, in.evm.depth, err)
+					in.evm.Config.Tracer.CaptureState(pcCopy, op, gasCopy, cost, callContext, in.returnData, in.evm.depth, err)
 				} else {
-					in.cfg.Tracer.CaptureFault(pcCopy, op, gasCopy, cost, callContext, in.evm.depth, err)
+					in.evm.Config.Tracer.CaptureFault(pcCopy, op, gasCopy, cost, callContext, in.evm.depth, err)
 				}
 			}
 		}()
@@ -191,14 +181,14 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
 	// the execution of one of the operations or until the done flag is set by the
 	// parent context.
 	for {
-		if in.cfg.Debug {
+		if in.evm.Config.Debug {
 			// Capture pre-execution values for tracing.
 			logged, pcCopy, gasCopy = false, pc, contract.Gas
 		}
 		// Get the operation from the jump table and validate the stack to ensure there are
 		// enough stack items available to perform the operation.
 		op = contract.GetOp(pc)
-		operation := in.cfg.JumpTable[op]
+		operation := in.table[op]
 		cost = operation.constantGas // For tracing
 		// Validate stack
 		if sLen := stack.len(); sLen < operation.minStack {
@@ -237,15 +227,15 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
 				return nil, vmerrs.ErrOutOfGas
 			}
 			// Do tracing before memory expansion
-			if in.cfg.Debug {
-				in.cfg.Tracer.CaptureState(pc, op, gasCopy, cost, callContext, in.returnData, in.evm.depth, err)
+			if in.evm.Config.Debug {
+				in.evm.Config.Tracer.CaptureState(pc, op, gasCopy, cost, callContext, in.returnData, in.evm.depth, err)
 				logged = true
 			}
 			if memorySize > 0 {
 				mem.Resize(memorySize)
 			}
-		} else if in.cfg.Debug {
-			in.cfg.Tracer.CaptureState(pc, op, gasCopy, cost, callContext, in.returnData, in.evm.depth, err)
+		} else if in.evm.Config.Debug {
+			in.evm.Config.Tracer.CaptureState(pc, op, gasCopy, cost, callContext, in.returnData, in.evm.depth, err)
 			logged = true
 		}
 
diff --git a/core/vm/jump_table.go b/core/vm/jump_table.go
index a5f477eda8..7a05fdac57 100644
--- a/core/vm/jump_table.go
+++ b/core/vm/jump_table.go
@@ -63,20 +63,12 @@ var (
 	constantinopleInstructionSet   = newConstantinopleInstructionSet()
 	istanbulInstructionSet         = newIstanbulInstructionSet()
 	subnetEVMInstructionSet        = newSubnetEVMInstructionSet()
+	dUpgradeInstructionSet         = newDUpgradeInstructionSet()
 )
 
 // JumpTable contains the EVM opcodes supported at a given fork.
 type JumpTable [256]*operation
 
-// newSubnetEVMInstructionSet returns the frontier, homestead, byzantium,
-// contantinople, istanbul, petersburg, subnet-evm instructions.
-func newSubnetEVMInstructionSet() JumpTable {
-	instructionSet := newIstanbulInstructionSet()
-	enable2929(&instructionSet)
-	enable3198(&instructionSet) // Base fee opcode https://eips.ethereum.org/EIPS/eip-3198
-	return validate(instructionSet)
-}
-
 func validate(jt JumpTable) JumpTable {
 	for i, op := range jt {
 		if op == nil {
@@ -95,6 +87,24 @@ func validate(jt JumpTable) JumpTable {
 	return jt
 }
 
+// newDUpgradeInstructionSet returns the frontier, homestead, byzantium,
+// contantinople, istanbul, petersburg, subnet-evm, d-upgrade instructions.
+func newDUpgradeInstructionSet() JumpTable {
+	instructionSet := newSubnetEVMInstructionSet()
+	enable3855(&instructionSet) // PUSH0 instruction
+	enable3860(&instructionSet) // Limit and meter initcode
+	return validate(instructionSet)
+}
+
+// newSubnetEVMInstructionSet returns the frontier, homestead, byzantium,
+// contantinople, istanbul, petersburg, subnet-evm instructions.
+func newSubnetEVMInstructionSet() JumpTable {
+	instructionSet := newIstanbulInstructionSet()
+	enable2929(&instructionSet)
+	enable3198(&instructionSet) // Base fee opcode https://eips.ethereum.org/EIPS/eip-3198
+	return validate(instructionSet)
+}
+
 // newIstanbulInstructionSet returns the frontier,
 // homestead, byzantium, contantinople and petersburg instructions.
 func newIstanbulInstructionSet() JumpTable {
@@ -1032,3 +1042,14 @@ func newFrontierInstructionSet() JumpTable {
 
 	return validate(tbl)
 }
+
+func copyJumpTable(source *JumpTable) *JumpTable {
+	dest := *source
+	for i, op := range source {
+		if op != nil {
+			opCopy := *op
+			dest[i] = &opCopy
+		}
+	}
+	return &dest
+}
diff --git a/core/vm/jump_table_test.go b/core/vm/jump_table_test.go
new file mode 100644
index 0000000000..05c79d83ff
--- /dev/null
+++ b/core/vm/jump_table_test.go
@@ -0,0 +1,45 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package vm
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+// TestJumpTableCopy tests that deep copy is necessery to prevent modify shared jump table
+func TestJumpTableCopy(t *testing.T) {
+	tbl := newDUpgradeInstructionSet()
+	require.Equal(t, uint64(0), tbl[SLOAD].constantGas)
+
+	// a deep copy won't modify the shared jump table
+	deepCopy := copyJumpTable(&tbl)
+	deepCopy[SLOAD].constantGas = 100
+	require.Equal(t, uint64(100), deepCopy[SLOAD].constantGas)
+	require.Equal(t, uint64(0), tbl[SLOAD].constantGas)
+}
diff --git a/core/vm/logger.go b/core/vm/logger.go
index b376739c2e..397aff7077 100644
--- a/core/vm/logger.go
+++ b/core/vm/logger.go
@@ -28,7 +28,6 @@ package vm
 
 import (
 	"math/big"
-	"time"
 
 	"github.com/ethereum/go-ethereum/common"
 )
@@ -44,7 +43,7 @@ type EVMLogger interface {
 	CaptureTxEnd(restGas uint64)
 	// Top call frame
 	CaptureStart(env *EVM, from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int)
-	CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error)
+	CaptureEnd(output []byte, gasUsed uint64, err error)
 	// Rest of call frames
 	CaptureEnter(typ OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int)
 	CaptureExit(output []byte, gasUsed uint64, err error)
diff --git a/core/vm/opcodes.go b/core/vm/opcodes.go
index ce33047b67..723f1d5273 100644
--- a/core/vm/opcodes.go
+++ b/core/vm/opcodes.go
@@ -35,11 +35,7 @@ type OpCode byte
 
 // IsPush specifies if an opcode is a PUSH opcode.
 func (op OpCode) IsPush() bool {
-	switch op {
-	case PUSH1, PUSH2, PUSH3, PUSH4, PUSH5, PUSH6, PUSH7, PUSH8, PUSH9, PUSH10, PUSH11, PUSH12, PUSH13, PUSH14, PUSH15, PUSH16, PUSH17, PUSH18, PUSH19, PUSH20, PUSH21, PUSH22, PUSH23, PUSH24, PUSH25, PUSH26, PUSH27, PUSH28, PUSH29, PUSH30, PUSH31, PUSH32:
-		return true
-	}
-	return false
+	return PUSH1 <= op && op <= PUSH32
 }
 
 // 0x0 range - arithmetic ops.
@@ -238,6 +234,12 @@ const (
 	SELFDESTRUCT OpCode = 0xff
 )
 
+// 0xb0 range.
+const (
+	TLOAD  OpCode = 0xb3
+	TSTORE OpCode = 0xb4
+)
+
 // Since the opcodes aren't all in order we can't use a regular slice.
 var opCodeToString = map[OpCode]string{
 	// 0x0 range - arithmetic ops.
@@ -392,6 +394,10 @@ var opCodeToString = map[OpCode]string{
 	LOG3:   "LOG3",
 	LOG4:   "LOG4",
 
+	// 0xb0 range.
+	TLOAD:  "TLOAD",
+	TSTORE: "TSTORE",
+
 	// 0xf0 range.
 	CREATE:       "CREATE",
 	CALL:         "CALL",
@@ -482,6 +488,8 @@ var stringToOp = map[string]OpCode{
 	"GAS":            GAS,
 	"JUMPDEST":       JUMPDEST,
 	"PUSH0":          PUSH0,
+	"TLOAD":          TLOAD,
+	"TSTORE":         TSTORE,
 	"PUSH1":          PUSH1,
 	"PUSH2":          PUSH2,
 	"PUSH3":          PUSH3,
diff --git a/core/vm/runtime/runtime.go b/core/vm/runtime/runtime.go
index 57f6fe421f..8333197136 100644
--- a/core/vm/runtime/runtime.go
+++ b/core/vm/runtime/runtime.go
@@ -29,7 +29,6 @@ package runtime
 import (
 	"math"
 	"math/big"
-	"time"
 
 	"github.com/ava-labs/subnet-evm/core/rawdb"
 	"github.com/ava-labs/subnet-evm/core/state"
@@ -47,7 +46,7 @@ type Config struct {
 	Origin      common.Address
 	Coinbase    common.Address
 	BlockNumber *big.Int
-	Time        *big.Int
+	Time        uint64
 	GasLimit    uint64
 	GasPrice    *big.Int
 	Value       *big.Int
@@ -74,8 +73,8 @@ func setDefaults(cfg *Config) {
 			PetersburgBlock:     new(big.Int),
 			IstanbulBlock:       new(big.Int),
 			MuirGlacierBlock:    new(big.Int),
-			NetworkUpgrades: params.NetworkUpgrades{
-				SubnetEVMTimestamp: new(big.Int),
+			MandatoryNetworkUpgrades: params.MandatoryNetworkUpgrades{
+				SubnetEVMTimestamp: new(uint64),
 			},
 		}
 	}
@@ -83,9 +82,6 @@ func setDefaults(cfg *Config) {
 	if cfg.Difficulty == nil {
 		cfg.Difficulty = new(big.Int)
 	}
-	if cfg.Time == nil {
-		cfg.Time = big.NewInt(time.Now().Unix())
-	}
 	if cfg.GasLimit == 0 {
 		cfg.GasLimit = math.MaxUint64
 	}
@@ -126,10 +122,13 @@ func Execute(code, input []byte, cfg *Config) ([]byte, *state.StateDB, error) {
 		address = common.BytesToAddress([]byte("contract"))
 		vmenv   = NewEnv(cfg)
 		sender  = vm.AccountRef(cfg.Origin)
+		rules   = cfg.ChainConfig.AvalancheRules(vmenv.Context.BlockNumber, vmenv.Context.Time)
 	)
-	if rules := cfg.ChainConfig.AvalancheRules(vmenv.Context.BlockNumber, vmenv.Context.Time); rules.IsSubnetEVM {
-		cfg.State.PrepareAccessList(cfg.Origin, &address, rules, vm.ActivePrecompiles(rules), nil)
-	}
+	// Execute the preparatory steps for state transition which includes:
+	// - prepare accessList(post-berlin)
+	// - reset transient storage(eip 1153)
+	cfg.State.Prepare(rules, cfg.Origin, cfg.Coinbase, &address, vm.ActivePrecompiles(rules), nil)
+
 	cfg.State.CreateAccount(address)
 	// set the receiver's (the executing contract) code for execution.
 	cfg.State.SetCode(address, code)
@@ -141,7 +140,6 @@ func Execute(code, input []byte, cfg *Config) ([]byte, *state.StateDB, error) {
 		cfg.GasLimit,
 		cfg.Value,
 	)
-
 	return ret, cfg.State, err
 }
 
@@ -158,10 +156,13 @@ func Create(input []byte, cfg *Config) ([]byte, common.Address, uint64, error) {
 	var (
 		vmenv  = NewEnv(cfg)
 		sender = vm.AccountRef(cfg.Origin)
+		rules  = cfg.ChainConfig.AvalancheRules(vmenv.Context.BlockNumber, vmenv.Context.Time)
 	)
-	if rules := cfg.ChainConfig.AvalancheRules(vmenv.Context.BlockNumber, vmenv.Context.Time); rules.IsSubnetEVM {
-		cfg.State.PrepareAccessList(cfg.Origin, nil, rules, vm.ActivePrecompiles(rules), nil)
-	}
+	// Execute the preparatory steps for state transition which includes:
+	// - prepare accessList(post-berlin)
+	// - reset transient storage(eip 1153)
+	cfg.State.Prepare(rules, cfg.Origin, cfg.Coinbase, nil, vm.ActivePrecompiles(rules), nil)
+
 	// Call the code with the given configuration.
 	code, address, leftOverGas, err := vmenv.Create(
 		sender,
@@ -180,14 +181,17 @@ func Create(input []byte, cfg *Config) ([]byte, common.Address, uint64, error) {
 func Call(address common.Address, input []byte, cfg *Config) ([]byte, uint64, error) {
 	setDefaults(cfg)
 
-	vmenv := NewEnv(cfg)
-
-	sender := cfg.State.GetOrNewStateObject(cfg.Origin)
-	statedb := cfg.State
+	var (
+		vmenv   = NewEnv(cfg)
+		sender  = cfg.State.GetOrNewStateObject(cfg.Origin)
+		statedb = cfg.State
+		rules   = cfg.ChainConfig.AvalancheRules(vmenv.Context.BlockNumber, vmenv.Context.Time)
+	)
+	// Execute the preparatory steps for state transition which includes:
+	// - prepare accessList(post-berlin)
+	// - reset transient storage(eip 1153)
+	statedb.Prepare(rules, cfg.Origin, cfg.Coinbase, &address, vm.ActivePrecompiles(rules), nil)
 
-	if rules := cfg.ChainConfig.AvalancheRules(vmenv.Context.BlockNumber, vmenv.Context.Time); rules.IsSubnetEVM {
-		statedb.PrepareAccessList(cfg.Origin, &address, rules, vm.ActivePrecompiles(rules), nil)
-	}
 	// Call the code with the given configuration.
 	ret, leftOverGas, err := vmenv.Call(
 		sender,
diff --git a/core/vm/runtime/runtime_test.go b/core/vm/runtime/runtime_test.go
index 81f5d3c66e..8aacbdb37d 100644
--- a/core/vm/runtime/runtime_test.go
+++ b/core/vm/runtime/runtime_test.go
@@ -46,8 +46,8 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/asm"
 
-	// force-load native tracers to trigger registration
-	_ "github.com/ava-labs/subnet-evm/eth/tracers/native"
+	// force-load js tracers to trigger registration
+	_ "github.com/ava-labs/subnet-evm/eth/tracers/js"
 )
 
 func TestDefaults(t *testing.T) {
@@ -58,9 +58,6 @@ func TestDefaults(t *testing.T) {
 		t.Error("expected difficulty to be non nil")
 	}
 
-	if cfg.Time == nil {
-		t.Error("expected time to be non nil")
-	}
 	if cfg.GasLimit == 0 {
 		t.Error("didn't expect gaslimit to be zero")
 	}
@@ -184,7 +181,7 @@ func benchmarkEVM_Create(bench *testing.B, code string) {
 		State:       statedb,
 		GasLimit:    10000000,
 		Difficulty:  big.NewInt(0x200000),
-		Time:        new(big.Int).SetUint64(0),
+		Time:        0,
 		Coinbase:    common.Address{},
 		BlockNumber: new(big.Int).SetUint64(1),
 		ChainConfig: &params.ChainConfig{
@@ -341,7 +338,7 @@ func benchmarkNonModifyingCode(gas uint64, code []byte, name string, tracerCode
 	cfg.State, _ = state.New(common.Hash{}, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
 	cfg.GasLimit = gas
 	if len(tracerCode) > 0 {
-		tracer, err := tracers.New(tracerCode, new(tracers.Context), nil)
+		tracer, err := tracers.DefaultDirectory.New(tracerCode, new(tracers.Context), nil)
 		if err != nil {
 			b.Fatal(err)
 		}
@@ -689,3 +686,242 @@ func TestColdAccountAccessCost(t *testing.T) {
 		}
 	}
 }
+
+func TestRuntimeJSTracer(t *testing.T) {
+	jsTracers := []string{
+		`{enters: 0, exits: 0, enterGas: 0, gasUsed: 0, steps:0,
+	step: function() { this.steps++}, 
+	fault: function() {}, 
+	result: function() { 
+		return [this.enters, this.exits,this.enterGas,this.gasUsed, this.steps].join(",") 
+	}, 
+	enter: function(frame) { 
+		this.enters++; 
+		this.enterGas = frame.getGas();
+	}, 
+	exit: function(res) { 
+		this.exits++; 
+		this.gasUsed = res.getGasUsed();
+	}}`,
+		`{enters: 0, exits: 0, enterGas: 0, gasUsed: 0, steps:0,
+	fault: function() {}, 
+	result: function() { 
+		return [this.enters, this.exits,this.enterGas,this.gasUsed, this.steps].join(",") 
+	}, 
+	enter: function(frame) { 
+		this.enters++; 
+		this.enterGas = frame.getGas();
+	}, 
+	exit: function(res) { 
+		this.exits++; 
+		this.gasUsed = res.getGasUsed();
+	}}`}
+	tests := []struct {
+		code []byte
+		// One result per tracer
+		results []string
+	}{
+		{
+			// CREATE
+			code: []byte{
+				// Store initcode in memory at 0x00 (5 bytes left-padded to 32 bytes)
+				byte(vm.PUSH5),
+				// Init code: PUSH1 0, PUSH1 0, RETURN (3 steps)
+				byte(vm.PUSH1), 0, byte(vm.PUSH1), 0, byte(vm.RETURN),
+				byte(vm.PUSH1), 0,
+				byte(vm.MSTORE),
+				// length, offset, value
+				byte(vm.PUSH1), 5, byte(vm.PUSH1), 27, byte(vm.PUSH1), 0,
+				byte(vm.CREATE),
+				byte(vm.POP),
+			},
+			results: []string{`"1,1,952855,6,12"`, `"1,1,952855,6,0"`},
+		},
+		{
+			// CREATE2
+			code: []byte{
+				// Store initcode in memory at 0x00 (5 bytes left-padded to 32 bytes)
+				byte(vm.PUSH5),
+				// Init code: PUSH1 0, PUSH1 0, RETURN (3 steps)
+				byte(vm.PUSH1), 0, byte(vm.PUSH1), 0, byte(vm.RETURN),
+				byte(vm.PUSH1), 0,
+				byte(vm.MSTORE),
+				// salt, length, offset, value
+				byte(vm.PUSH1), 1, byte(vm.PUSH1), 5, byte(vm.PUSH1), 27, byte(vm.PUSH1), 0,
+				byte(vm.CREATE2),
+				byte(vm.POP),
+			},
+			results: []string{`"1,1,952846,6,13"`, `"1,1,952846,6,0"`},
+		},
+		{
+			// CALL
+			code: []byte{
+				// outsize, outoffset, insize, inoffset
+				byte(vm.PUSH1), 0, byte(vm.PUSH1), 0, byte(vm.PUSH1), 0, byte(vm.PUSH1), 0,
+				byte(vm.PUSH1), 0, // value
+				byte(vm.PUSH1), 0xbb, //address
+				byte(vm.GAS), // gas
+				byte(vm.CALL),
+				byte(vm.POP),
+			},
+			results: []string{`"1,1,981796,6,13"`, `"1,1,981796,6,0"`},
+		},
+		{
+			// CALLCODE
+			code: []byte{
+				// outsize, outoffset, insize, inoffset
+				byte(vm.PUSH1), 0, byte(vm.PUSH1), 0, byte(vm.PUSH1), 0, byte(vm.PUSH1), 0,
+				byte(vm.PUSH1), 0, // value
+				byte(vm.PUSH1), 0xcc, //address
+				byte(vm.GAS), // gas
+				byte(vm.CALLCODE),
+				byte(vm.POP),
+			},
+			results: []string{`"1,1,981796,6,13"`, `"1,1,981796,6,0"`},
+		},
+		{
+			// STATICCALL
+			code: []byte{
+				// outsize, outoffset, insize, inoffset
+				byte(vm.PUSH1), 0, byte(vm.PUSH1), 0, byte(vm.PUSH1), 0, byte(vm.PUSH1), 0,
+				byte(vm.PUSH1), 0xdd, //address
+				byte(vm.GAS), // gas
+				byte(vm.STATICCALL),
+				byte(vm.POP),
+			},
+			results: []string{`"1,1,981799,6,12"`, `"1,1,981799,6,0"`},
+		},
+		{
+			// DELEGATECALL
+			code: []byte{
+				// outsize, outoffset, insize, inoffset
+				byte(vm.PUSH1), 0, byte(vm.PUSH1), 0, byte(vm.PUSH1), 0, byte(vm.PUSH1), 0,
+				byte(vm.PUSH1), 0xee, //address
+				byte(vm.GAS), // gas
+				byte(vm.DELEGATECALL),
+				byte(vm.POP),
+			},
+			results: []string{`"1,1,981799,6,12"`, `"1,1,981799,6,0"`},
+		},
+		{
+			// CALL self-destructing contract
+			code: []byte{
+				// outsize, outoffset, insize, inoffset
+				byte(vm.PUSH1), 0, byte(vm.PUSH1), 0, byte(vm.PUSH1), 0, byte(vm.PUSH1), 0,
+				byte(vm.PUSH1), 0, // value
+				byte(vm.PUSH1), 0xff, //address
+				byte(vm.GAS), // gas
+				byte(vm.CALL),
+				byte(vm.POP),
+			},
+			results: []string{`"2,2,0,5003,12"`, `"2,2,0,5003,0"`},
+		},
+	}
+	calleeCode := []byte{
+		byte(vm.PUSH1), 0,
+		byte(vm.PUSH1), 0,
+		byte(vm.RETURN),
+	}
+	depressedCode := []byte{
+		byte(vm.PUSH1), 0xaa,
+		byte(vm.SELFDESTRUCT),
+	}
+	main := common.HexToAddress("0xaa")
+	for i, jsTracer := range jsTracers {
+		for j, tc := range tests {
+			statedb, _ := state.New(common.Hash{}, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
+			statedb.SetCode(main, tc.code)
+			statedb.SetCode(common.HexToAddress("0xbb"), calleeCode)
+			statedb.SetCode(common.HexToAddress("0xcc"), calleeCode)
+			statedb.SetCode(common.HexToAddress("0xdd"), calleeCode)
+			statedb.SetCode(common.HexToAddress("0xee"), calleeCode)
+			statedb.SetCode(common.HexToAddress("0xff"), depressedCode)
+
+			tracer, err := tracers.DefaultDirectory.New(jsTracer, new(tracers.Context), nil)
+			if err != nil {
+				t.Fatal(err)
+			}
+			_, _, err = Call(main, nil, &Config{
+				GasLimit: 1000000,
+				State:    statedb,
+				EVMConfig: vm.Config{
+					Debug:  true,
+					Tracer: tracer,
+				}})
+			if err != nil {
+				t.Fatal("didn't expect error", err)
+			}
+			res, err := tracer.GetResult()
+			if err != nil {
+				t.Fatal(err)
+			}
+			if have, want := string(res), tc.results[i]; have != want {
+				t.Errorf("wrong result for tracer %d testcase %d, have \n%v\nwant\n%v\n", i, j, have, want)
+			}
+		}
+	}
+}
+
+func TestJSTracerCreateTx(t *testing.T) {
+	jsTracer := `
+	{enters: 0, exits: 0,
+	step: function() {},
+	fault: function() {},
+	result: function() { return [this.enters, this.exits].join(",") },
+	enter: function(frame) { this.enters++ },
+	exit: function(res) { this.exits++ }}`
+	code := []byte{byte(vm.PUSH1), 0, byte(vm.PUSH1), 0, byte(vm.RETURN)}
+
+	statedb, _ := state.New(common.Hash{}, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
+	tracer, err := tracers.DefaultDirectory.New(jsTracer, new(tracers.Context), nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	_, _, _, err = Create(code, &Config{
+		State: statedb,
+		EVMConfig: vm.Config{
+			Debug:  true,
+			Tracer: tracer,
+		}})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	res, err := tracer.GetResult()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if have, want := string(res), `"0,0"`; have != want {
+		t.Errorf("wrong result for tracer, have \n%v\nwant\n%v\n", have, want)
+	}
+}
+
+func BenchmarkTracerStepVsCallFrame(b *testing.B) {
+	// Simply pushes and pops some values in a loop
+	code := []byte{
+		byte(vm.JUMPDEST),
+		byte(vm.PUSH1), 0,
+		byte(vm.PUSH1), 0,
+		byte(vm.POP),
+		byte(vm.POP),
+		byte(vm.PUSH1), 0, // jumpdestination
+		byte(vm.JUMP),
+	}
+
+	stepTracer := `
+	{
+	step: function() {},
+	fault: function() {},
+	result: function() {},
+	}`
+	callFrameTracer := `
+	{
+	enter: function() {},
+	exit: function() {},
+	fault: function() {},
+	result: function() {},
+	}`
+
+	benchmarkNonModifyingCode(10000000, code, "tracer-step-10M", stepTracer, b)
+	benchmarkNonModifyingCode(10000000, code, "tracer-call-frame-10M", callFrameTracer, b)
+}
diff --git a/core/vm/testdata/precompiles/bn256ScalarMul.json b/core/vm/testdata/precompiles/bn256ScalarMul.json
index 2a28f6304b..b0427fcc05 100644
--- a/core/vm/testdata/precompiles/bn256ScalarMul.json
+++ b/core/vm/testdata/precompiles/bn256ScalarMul.json
@@ -124,5 +124,12 @@
     "Name": "cdetrio15",
     "Gas": 6000,
     "NoBenchmark": true
+  },
+  {
+    "Input": "039730ea8dff1254c0fee9c0ea777d29a9c710b7e616683f194f18c43b43b869073a5ffcc6fc7a28c30723d6e58ce577356982d65b833a5a5c15bf9024b43d980000000000000000000000000000000000000000000000000000000000000000",
+    "Expected": "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+    "Name": "zeroScalar",
+    "Gas": 6000,
+    "NoBenchmark": true
   }
 ]
\ No newline at end of file
diff --git a/eth/api.go b/eth/api.go
index 4f6cdf788d..8f107c6d9f 100644
--- a/eth/api.go
+++ b/eth/api.go
@@ -70,8 +70,8 @@ func (api *EthereumAPI) Coinbase() (common.Address, error) {
 }
 
 func (api *EthereumAPI) GetTransactionStatus(ctx context.Context, hash common.Hash) (map[string]interface{}, error) {
-	currentBlock := api.e.APIBackend.CurrentBlock()
-	accepted := api.e.APIBackend.LastAcceptedBlock()
+	currentBlock := api.e.APIBackend.eth.blockchain.GetBlockByHash(api.e.APIBackend.CurrentBlock().Hash())
+	accepted := api.e.APIBackend.eth.blockchain.GetBlockByHash(api.e.APIBackend.LastAcceptedBlock().Hash())
 
 	// first check if the tx is accepted
 	lookup := api.e.blockchain.GetTransactionLookup(hash)
@@ -239,16 +239,20 @@ func (api *DebugAPI) DumpBlock(blockNr rpc.BlockNumber) (state.Dump, error) {
 		OnlyWithAddresses: true,
 		Max:               AccountRangeMaxResults, // Sanity limit over RPC
 	}
-	var block *types.Block
+	var header *types.Header
 	if blockNr.IsAccepted() {
-		block = api.eth.LastAcceptedBlock()
+		header = api.eth.LastAcceptedBlock().Header()
 	} else {
-		block = api.eth.blockchain.GetBlockByNumber(uint64(blockNr))
+		block := api.eth.blockchain.GetBlockByNumber(uint64(blockNr))
+		if block == nil {
+			return state.Dump{}, fmt.Errorf("block #%d not found", blockNr)
+		}
+		header = block.Header()
 	}
-	if block == nil {
+	if header == nil {
 		return state.Dump{}, fmt.Errorf("block #%d not found", blockNr)
 	}
-	stateDb, err := api.eth.BlockChain().StateAt(block.Root())
+	stateDb, err := api.eth.BlockChain().StateAt(header.Root)
 	if err != nil {
 		return state.Dump{}, err
 	}
@@ -279,16 +283,20 @@ func (api *DebugAPI) AccountRange(blockNrOrHash rpc.BlockNumberOrHash, start hex
 	var err error
 
 	if number, ok := blockNrOrHash.Number(); ok {
-		var block *types.Block
+		var header *types.Header
 		if number.IsAccepted() {
-			block = api.eth.LastAcceptedBlock()
+			header = api.eth.LastAcceptedBlock().Header()
 		} else {
-			block = api.eth.blockchain.GetBlockByNumber(uint64(number))
+			block := api.eth.blockchain.GetBlockByNumber(uint64(number))
+			if block == nil {
+				return state.IteratorDump{}, fmt.Errorf("block #%d not found", number)
+			}
+			header = block.Header()
 		}
-		if block == nil {
+		if header == nil {
 			return state.IteratorDump{}, fmt.Errorf("block #%d not found", number)
 		}
-		stateDb, err = api.eth.BlockChain().StateAt(block.Root())
+		stateDb, err = api.eth.BlockChain().StateAt(header.Root)
 		if err != nil {
 			return state.IteratorDump{}, err
 		}
@@ -332,17 +340,22 @@ type storageEntry struct {
 }
 
 // StorageRangeAt returns the storage at the given block height and transaction index.
-func (api *DebugAPI) StorageRangeAt(blockHash common.Hash, txIndex int, contractAddress common.Address, keyStart hexutil.Bytes, maxResult int) (StorageRangeResult, error) {
+func (api *DebugAPI) StorageRangeAt(ctx context.Context, blockHash common.Hash, txIndex int, contractAddress common.Address, keyStart hexutil.Bytes, maxResult int) (StorageRangeResult, error) {
 	// Retrieve the block
 	block := api.eth.blockchain.GetBlockByHash(blockHash)
 	if block == nil {
 		return StorageRangeResult{}, fmt.Errorf("block %#x not found", blockHash)
 	}
-	_, _, statedb, err := api.eth.stateAtTransaction(block, txIndex, 0)
+	_, _, statedb, release, err := api.eth.stateAtTransaction(ctx, block, txIndex, 0)
+	if err != nil {
+		return StorageRangeResult{}, err
+	}
+	defer release()
+
+	st, err := statedb.StorageTrie(contractAddress)
 	if err != nil {
 		return StorageRangeResult{}, err
 	}
-	st := statedb.StorageTrie(contractAddress)
 	if st == nil {
 		return StorageRangeResult{}, fmt.Errorf("account %x doesn't exist", contractAddress)
 	}
@@ -433,11 +446,11 @@ func (api *DebugAPI) getModifiedAccounts(startBlock, endBlock *types.Block) ([]c
 	}
 	triedb := api.eth.BlockChain().StateCache().TrieDB()
 
-	oldTrie, err := trie.NewStateTrie(common.Hash{}, startBlock.Root(), triedb)
+	oldTrie, err := trie.NewStateTrie(trie.StateTrieID(startBlock.Root()), triedb)
 	if err != nil {
 		return nil, err
 	}
-	newTrie, err := trie.NewStateTrie(common.Hash{}, endBlock.Root(), triedb)
+	newTrie, err := trie.NewStateTrie(trie.StateTrieID(endBlock.Root()), triedb)
 	if err != nil {
 		return nil, err
 	}
@@ -468,7 +481,7 @@ func (api *DebugAPI) GetAccessibleState(from, to rpc.BlockNumber) (uint64, error
 			if block == nil {
 				return 0, fmt.Errorf("current block missing")
 			}
-			return block.NumberU64(), nil
+			return block.Number.Uint64(), nil
 		}
 		return uint64(num.Int64()), nil
 	}
diff --git a/eth/api_backend.go b/eth/api_backend.go
index ee5b2786d3..f745863d4c 100644
--- a/eth/api_backend.go
+++ b/eth/api_backend.go
@@ -43,6 +43,7 @@ import (
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/core/vm"
 	"github.com/ava-labs/subnet-evm/eth/gasprice"
+	"github.com/ava-labs/subnet-evm/eth/tracers"
 	"github.com/ava-labs/subnet-evm/ethdb"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ava-labs/subnet-evm/rpc"
@@ -70,7 +71,7 @@ func (b *EthAPIBackend) GetVMConfig() *vm.Config {
 	return b.eth.blockchain.GetVMConfig()
 }
 
-func (b *EthAPIBackend) CurrentBlock() *types.Block {
+func (b *EthAPIBackend) CurrentBlock() *types.Header {
 	return b.eth.blockchain.CurrentBlock()
 }
 
@@ -186,6 +187,17 @@ func (b *EthAPIBackend) BlockByHash(ctx context.Context, hash common.Hash) (*typ
 	return block, nil
 }
 
+// GetBody returns body of a block. It does not resolve special block numbers.
+func (b *EthAPIBackend) GetBody(ctx context.Context, hash common.Hash, number rpc.BlockNumber) (*types.Body, error) {
+	if number < 0 || hash == (common.Hash{}) {
+		return nil, errors.New("invalid arguments; expect hash and no special block numbers")
+	}
+	if body := b.eth.blockchain.GetBody(hash); body != nil {
+		return body, nil
+	}
+	return nil, errors.New("block body not found")
+}
+
 func (b *EthAPIBackend) BlockByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Block, error) {
 	if blockNr, ok := blockNrOrHash.Number(); ok {
 		return b.BlockByNumber(ctx, blockNr)
@@ -258,14 +270,13 @@ func (b *EthAPIBackend) GetLogs(ctx context.Context, hash common.Hash, number ui
 	return b.eth.blockchain.GetLogs(hash, number), nil
 }
 
-func (b *EthAPIBackend) GetEVM(ctx context.Context, msg core.Message, state *state.StateDB, header *types.Header, vmConfig *vm.Config) (*vm.EVM, func() error, error) {
-	vmError := func() error { return nil }
+func (b *EthAPIBackend) GetEVM(ctx context.Context, msg *core.Message, state *state.StateDB, header *types.Header, vmConfig *vm.Config) (*vm.EVM, func() error, error) {
 	if vmConfig == nil {
 		vmConfig = b.eth.blockchain.GetVMConfig()
 	}
 	txContext := core.NewEVMTxContext(msg)
 	context := core.NewEVMBlockContext(header, b.eth.BlockChain(), nil)
-	return vm.NewEVM(context, txContext, state, b.eth.blockchain.Config(), *vmConfig), vmError, nil
+	return vm.NewEVM(context, txContext, state, b.eth.blockchain.Config(), *vmConfig), state.Error, nil
 }
 
 func (b *EthAPIBackend) SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription {
@@ -454,12 +465,12 @@ func (b *EthAPIBackend) GetMaxBlocksPerRequest() int64 {
 	return b.eth.settings.MaxBlocksPerRequest
 }
 
-func (b *EthAPIBackend) StateAtBlock(ctx context.Context, block *types.Block, reexec uint64, base *state.StateDB, checkLive bool, preferDisk bool) (*state.StateDB, error) {
-	return b.eth.StateAtBlock(block, reexec, base, checkLive, preferDisk)
+func (b *EthAPIBackend) StateAtBlock(ctx context.Context, block *types.Block, reexec uint64, base *state.StateDB, readOnly bool, preferDisk bool) (*state.StateDB, tracers.StateReleaseFunc, error) {
+	return b.eth.StateAtBlock(ctx, block, reexec, base, readOnly, preferDisk)
 }
 
-func (b *EthAPIBackend) StateAtTransaction(ctx context.Context, block *types.Block, txIndex int, reexec uint64) (core.Message, vm.BlockContext, *state.StateDB, error) {
-	return b.eth.stateAtTransaction(block, txIndex, reexec)
+func (b *EthAPIBackend) StateAtTransaction(ctx context.Context, block *types.Block, txIndex int, reexec uint64) (*core.Message, vm.BlockContext, *state.StateDB, tracers.StateReleaseFunc, error) {
+	return b.eth.stateAtTransaction(ctx, block, txIndex, reexec)
 }
 
 func (b *EthAPIBackend) MinRequiredTip(ctx context.Context, header *types.Header) (*big.Int, error) {
diff --git a/eth/backend.go b/eth/backend.go
index 79e94685a0..85b9aca042 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -30,7 +30,6 @@ package eth
 import (
 	"errors"
 	"fmt"
-	"strings"
 	"sync"
 	"time"
 
@@ -42,6 +41,7 @@ import (
 	"github.com/ava-labs/subnet-evm/core/bloombits"
 	"github.com/ava-labs/subnet-evm/core/rawdb"
 	"github.com/ava-labs/subnet-evm/core/state/pruner"
+	"github.com/ava-labs/subnet-evm/core/txpool"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/core/vm"
 	"github.com/ava-labs/subnet-evm/eth/ethconfig"
@@ -75,7 +75,7 @@ type Ethereum struct {
 	config *Config
 
 	// Handlers
-	txPool     *core.TxPool
+	txPool     *txpool.TxPool
 	blockchain *core.BlockChain
 
 	// DB interfaces
@@ -138,29 +138,16 @@ func New(
 		"snapshot clean", common.StorageSize(config.SnapshotCache)*1024*1024,
 	)
 
-	chainConfig, genesisErr := core.SetupGenesisBlock(chainDb, config.Genesis, lastAcceptedHash, config.SkipUpgradeCheck)
-	if genesisErr != nil {
-		return nil, genesisErr
-	}
-	log.Info("")
-	log.Info(strings.Repeat("-", 153))
-	for _, line := range strings.Split(chainConfig.String(), "\n") {
-		log.Info(line)
-	}
-	log.Info(strings.Repeat("-", 153))
-	log.Info("")
-	// Free airdrop data to save memory usage
-	config.Genesis.AirdropData = nil
-
 	// Note: RecoverPruning must be called to handle the case that we are midway through offline pruning.
 	// If the data directory is changed in between runs preventing RecoverPruning from performing its job correctly,
 	// it may cause DB corruption.
 	// Since RecoverPruning will only continue a pruning run that already began, we do not need to ensure that
 	// reprocessState has already been called and completed successfully. To ensure this, we must maintain
 	// that Prune is only run after reprocessState has finished successfully.
-	if err := pruner.RecoverPruning(config.OfflinePruningDataDirectory, chainDb); err != nil {
+	if err := pruner.RecoverPruning(config.OfflinePruningDataDirectory, chainDb, config.TrieCleanJournal); err != nil {
 		log.Error("Failed to recover state", "error", err)
 	}
+
 	eth := &Ethereum{
 		config:            config,
 		chainDb:           chainDb,
@@ -185,7 +172,7 @@ func New(
 
 	if !config.SkipBcVersionCheck {
 		if bcVersion != nil && *bcVersion > core.BlockChainVersion {
-			return nil, fmt.Errorf("database version is v%d, Subnet EVM %s only supports v%d", *bcVersion, params.VersionWithMeta, core.BlockChainVersion)
+			return nil, fmt.Errorf("database version is v%d, Subnet-EVM %s only supports v%d", *bcVersion, params.VersionWithMeta, core.BlockChainVersion)
 		} else if bcVersion == nil || *bcVersion < core.BlockChainVersion {
 			log.Warn("Upgrade blockchain database version", "from", dbVer, "to", core.BlockChainVersion)
 			rawdb.WriteDatabaseVersion(chainDb, core.BlockChainVersion)
@@ -210,9 +197,9 @@ func New(
 			AllowMissingTries:               config.AllowMissingTries,
 			SnapshotDelayInit:               config.SnapshotDelayInit,
 			SnapshotLimit:                   config.SnapshotCache,
-			SnapshotAsync:                   config.SnapshotAsync,
+			SnapshotWait:                    config.SnapshotWait,
 			SnapshotVerify:                  config.SnapshotVerify,
-			SkipSnapshotRebuild:             config.SkipSnapshotRebuild,
+			SnapshotNoBuild:                 config.SkipSnapshotRebuild,
 			Preimages:                       config.Preimages,
 			AcceptedCacheSize:               config.AcceptedCacheSize,
 			TxLookupLimit:                   config.TxLookupLimit,
@@ -224,21 +211,26 @@ func New(
 	}
 
 	var err error
-	eth.blockchain, err = core.NewBlockChain(chainDb, cacheConfig, chainConfig, eth.engine, vmConfig, lastAcceptedHash)
+	eth.blockchain, err = core.NewBlockChain(chainDb, cacheConfig, config.Genesis, eth.engine, vmConfig, lastAcceptedHash, config.SkipUpgradeCheck)
 	if err != nil {
 		return nil, err
 	}
 
-	if err := eth.handleOfflinePruning(cacheConfig, chainConfig, vmConfig, lastAcceptedHash); err != nil {
+	// Free airdrop data to save memory usage
+	defer func() {
+		config.Genesis.AirdropData = nil
+	}()
+
+	if err := eth.handleOfflinePruning(cacheConfig, config.Genesis, vmConfig, lastAcceptedHash); err != nil {
 		return nil, err
 	}
 
 	eth.bloomIndexer.Start(eth.blockchain)
 
 	config.TxPool.Journal = ""
-	eth.txPool = core.NewTxPool(config.TxPool, chainConfig, eth.blockchain)
+	eth.txPool = txpool.NewTxPool(config.TxPool, eth.blockchain.Config(), eth.blockchain)
 
-	eth.miner = miner.New(eth, &config.Miner, chainConfig, eth.EventMux(), eth.engine, clock)
+	eth.miner = miner.New(eth, &config.Miner, eth.blockchain.Config(), eth.EventMux(), eth.engine, clock)
 
 	allowUnprotectedTxHashes := make(map[common.Hash]struct{})
 	for _, txHash := range config.AllowUnprotectedTxHashes {
@@ -295,7 +287,7 @@ func (s *Ethereum) APIs() []rpc.API {
 			Name:      "eth",
 		}, {
 			Namespace: "eth",
-			Service:   filters.NewFilterAPI(filterSystem, false /* isLightClient */),
+			Service:   filters.NewFilterAPI(filterSystem),
 			Name:      "eth-filter",
 		}, {
 			Namespace: "admin",
@@ -321,18 +313,6 @@ func (s *Ethereum) Etherbase() (eb common.Address, err error) {
 	if etherbase != (common.Address{}) {
 		return etherbase, nil
 	}
-	if wallets := s.AccountManager().Wallets(); len(wallets) > 0 {
-		if accounts := wallets[0].Accounts(); len(accounts) > 0 {
-			etherbase := accounts[0].Address
-
-			s.lock.Lock()
-			s.etherbase = etherbase
-			s.lock.Unlock()
-
-			log.Info("Etherbase automatically configured", "address", etherbase)
-			return etherbase, nil
-		}
-	}
 	return common.Address{}, fmt.Errorf("etherbase must be explicitly specified")
 }
 
@@ -349,7 +329,7 @@ func (s *Ethereum) Miner() *miner.Miner { return s.miner }
 
 func (s *Ethereum) AccountManager() *accounts.Manager { return s.accountManager }
 func (s *Ethereum) BlockChain() *core.BlockChain      { return s.blockchain }
-func (s *Ethereum) TxPool() *core.TxPool              { return s.txPool }
+func (s *Ethereum) TxPool() *txpool.TxPool            { return s.txPool }
 func (s *Ethereum) EventMux() *event.TypeMux          { return s.eventMux }
 func (s *Ethereum) Engine() consensus.Engine          { return s.engine }
 func (s *Ethereum) ChainDb() ethdb.Database           { return s.chainDb }
@@ -423,7 +403,7 @@ func (s *Ethereum) precheckPopulateMissingTries() error {
 	return nil
 }
 
-func (s *Ethereum) handleOfflinePruning(cacheConfig *core.CacheConfig, chainConfig *params.ChainConfig, vmConfig vm.Config, lastAcceptedHash common.Hash) error {
+func (s *Ethereum) handleOfflinePruning(cacheConfig *core.CacheConfig, gspec *core.Genesis, vmConfig vm.Config, lastAcceptedHash common.Hash) error {
 	if s.config.OfflinePruning && !s.config.Pruning {
 		return core.ErrRefuseToCorruptArchiver
 	}
@@ -455,7 +435,13 @@ func (s *Ethereum) handleOfflinePruning(cacheConfig *core.CacheConfig, chainConf
 	s.blockchain.Stop()
 	s.blockchain = nil
 	log.Info("Starting offline pruning", "dataDir", s.config.OfflinePruningDataDirectory, "bloomFilterSize", s.config.OfflinePruningBloomFilterSize)
-	pruner, err := pruner.NewPruner(s.chainDb, s.config.OfflinePruningDataDirectory, s.config.OfflinePruningBloomFilterSize)
+	prunerConfig := pruner.Config{
+		BloomSize: s.config.OfflinePruningBloomFilterSize,
+		Cachedir:  s.config.TrieCleanJournal,
+		Datadir:   s.config.OfflinePruningDataDirectory,
+	}
+
+	pruner, err := pruner.NewPruner(s.chainDb, prunerConfig)
 	if err != nil {
 		return fmt.Errorf("failed to create new pruner with data directory: %s, size: %d, due to: %w", s.config.OfflinePruningDataDirectory, s.config.OfflinePruningBloomFilterSize, err)
 	}
@@ -464,7 +450,7 @@ func (s *Ethereum) handleOfflinePruning(cacheConfig *core.CacheConfig, chainConf
 	}
 	// Note: Time Marker is written inside of [Prune] before compaction begins
 	// (considered an optional optimization)
-	s.blockchain, err = core.NewBlockChain(s.chainDb, cacheConfig, chainConfig, s.engine, vmConfig, lastAcceptedHash)
+	s.blockchain, err = core.NewBlockChain(s.chainDb, cacheConfig, gspec, s.engine, vmConfig, lastAcceptedHash, s.config.SkipUpgradeCheck)
 	if err != nil {
 		return fmt.Errorf("failed to re-initialize blockchain after offline pruning: %w", err)
 	}
diff --git a/eth/ethconfig/config.go b/eth/ethconfig/config.go
index 98a16165a7..10f2af1019 100644
--- a/eth/ethconfig/config.go
+++ b/eth/ethconfig/config.go
@@ -30,6 +30,7 @@ import (
 	"time"
 
 	"github.com/ava-labs/subnet-evm/core"
+	"github.com/ava-labs/subnet-evm/core/txpool"
 	"github.com/ava-labs/subnet-evm/eth/gasprice"
 	"github.com/ava-labs/subnet-evm/miner"
 	"github.com/ethereum/go-ethereum/common"
@@ -59,7 +60,7 @@ func NewDefaultConfig() Config {
 		SnapshotCache:         256,
 		AcceptedCacheSize:     32,
 		Miner:                 miner.Config{},
-		TxPool:                core.DefaultTxPoolConfig,
+		TxPool:                txpool.DefaultConfig,
 		RPCGasCap:             25000000,
 		RPCEVMTimeout:         5 * time.Second,
 		GPO:                   DefaultFullGPOConfig,
@@ -85,7 +86,7 @@ type Config struct {
 	PopulateMissingTriesParallelism int     // Number of concurrent readers to use when re-populating missing tries on startup.
 	AllowMissingTries               bool    // Whether to allow an archival node to run with pruning enabled and corrupt a complete index.
 	SnapshotDelayInit               bool    // Whether snapshot tree should be initialized on startup or delayed until explicit call
-	SnapshotAsync                   bool    // Whether to generate the initial snapshot in async mode
+	SnapshotWait                    bool    // Whether to wait for the initial snapshot generation
 	SnapshotVerify                  bool    // Whether to verify generated snapshots
 	SkipSnapshotRebuild             bool    // Whether to skip rebuilding the snapshot in favor of returning an error (only set to true for tests)
 
@@ -109,7 +110,7 @@ type Config struct {
 	Miner miner.Config
 
 	// Transaction pool options
-	TxPool core.TxPoolConfig
+	TxPool txpool.Config
 
 	// Gas Price Oracle options
 	GPO gasprice.Config
diff --git a/eth/filters/api.go b/eth/filters/api.go
index b1a99c2f47..e7bbc0e95c 100644
--- a/eth/filters/api.go
+++ b/eth/filters/api.go
@@ -37,6 +37,7 @@ import (
 
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/interfaces"
+	"github.com/ava-labs/subnet-evm/internal/ethapi"
 	"github.com/ava-labs/subnet-evm/rpc"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
@@ -49,13 +50,15 @@ type filter struct {
 	typ      Type
 	deadline *time.Timer // filter is inactive when deadline triggers
 	hashes   []common.Hash
+	fullTx   bool
+	txs      []*types.Transaction
 	crit     FilterCriteria
 	logs     []*types.Log
 	s        *Subscription // associated subscription in event system
 }
 
 // FilterAPI offers support to create and manage filters. This will allow external clients to retrieve various
-// information related to the Ethereum protocol such als blocks, transactions and logs.
+// information related to the Ethereum protocol such as blocks, transactions and logs.
 type FilterAPI struct {
 	sys       *FilterSystem
 	events    *EventSystem
@@ -65,10 +68,10 @@ type FilterAPI struct {
 }
 
 // NewFilterAPI returns a new FilterAPI instance.
-func NewFilterAPI(system *FilterSystem, lightMode bool) *FilterAPI {
+func NewFilterAPI(system *FilterSystem) *FilterAPI {
 	api := &FilterAPI{
 		sys:     system,
-		events:  NewEventSystem(system, lightMode),
+		events:  NewEventSystem(system),
 		filters: make(map[rpc.ID]*filter),
 		timeout: system.cfg.Timeout,
 	}
@@ -107,28 +110,28 @@ func (api *FilterAPI) timeoutLoop(timeout time.Duration) {
 	}
 }
 
-// NewPendingTransactionFilter creates a filter that fetches pending transaction hashes
+// NewPendingTransactionFilter creates a filter that fetches pending transactions
 // as transactions enter the pending state.
 //
 // It is part of the filter package because this filter can be used through the
 // `eth_getFilterChanges` polling method that is also used for log filters.
-func (api *FilterAPI) NewPendingTransactionFilter() rpc.ID {
+func (api *FilterAPI) NewPendingTransactionFilter(fullTx *bool) rpc.ID {
 	var (
-		pendingTxs   = make(chan []common.Hash)
+		pendingTxs   = make(chan []*types.Transaction)
 		pendingTxSub = api.events.SubscribePendingTxs(pendingTxs)
 	)
 
 	api.filtersMu.Lock()
-	api.filters[pendingTxSub.ID] = &filter{typ: PendingTransactionsSubscription, deadline: time.NewTimer(api.timeout), hashes: make([]common.Hash, 0), s: pendingTxSub}
+	api.filters[pendingTxSub.ID] = &filter{typ: PendingTransactionsSubscription, fullTx: fullTx != nil && *fullTx, deadline: time.NewTimer(api.timeout), txs: make([]*types.Transaction, 0), s: pendingTxSub}
 	api.filtersMu.Unlock()
 
 	go func() {
 		for {
 			select {
-			case ph := <-pendingTxs:
+			case pTx := <-pendingTxs:
 				api.filtersMu.Lock()
 				if f, found := api.filters[pendingTxSub.ID]; found {
-					f.hashes = append(f.hashes, ph...)
+					f.txs = append(f.txs, pTx...)
 				}
 				api.filtersMu.Unlock()
 			case <-pendingTxSub.Err():
@@ -143,9 +146,10 @@ func (api *FilterAPI) NewPendingTransactionFilter() rpc.ID {
 	return pendingTxSub.ID
 }
 
-// NewPendingTransactions creates a subscription that is triggered each time a transaction
-// enters the transaction pool and was signed from one of the transactions this nodes manages.
-func (api *FilterAPI) NewPendingTransactions(ctx context.Context) (*rpc.Subscription, error) {
+// NewPendingTransactions creates a subscription that is triggered each time a
+// transaction enters the transaction pool. If fullTx is true the full tx is
+// sent to the client, otherwise the hash is sent.
+func (api *FilterAPI) NewPendingTransactions(ctx context.Context, fullTx *bool) (*rpc.Subscription, error) {
 	notifier, supported := rpc.NotifierFromContext(ctx)
 	if !supported {
 		return &rpc.Subscription{}, rpc.ErrNotificationsUnsupported
@@ -154,16 +158,23 @@ func (api *FilterAPI) NewPendingTransactions(ctx context.Context) (*rpc.Subscrip
 	rpcSub := notifier.CreateSubscription()
 
 	go func() {
-		txHashes := make(chan []common.Hash, 128)
-		pendingTxSub := api.events.SubscribePendingTxs(txHashes)
+		txs := make(chan []*types.Transaction, 128)
+		pendingTxSub := api.events.SubscribePendingTxs(txs)
+		chainConfig := api.sys.backend.ChainConfig()
 
 		for {
 			select {
-			case hashes := <-txHashes:
+			case txs := <-txs:
 				// To keep the original behaviour, send a single tx hash in one notification.
 				// TODO(rjl493456442) Send a batch of tx hashes in one notification
-				for _, h := range hashes {
-					notifier.Notify(rpcSub.ID, h)
+				latest := api.sys.backend.CurrentHeader()
+				for _, tx := range txs {
+					if fullTx != nil && *fullTx {
+						rpcTx := ethapi.NewRPCTransaction(tx, latest, latest.BaseFee, chainConfig)
+						notifier.Notify(rpcSub.ID, rpcTx)
+					} else {
+						notifier.Notify(rpcSub.ID, tx.Hash())
+					}
 				}
 			case <-rpcSub.Err():
 				pendingTxSub.Unsubscribe()
@@ -178,8 +189,10 @@ func (api *FilterAPI) NewPendingTransactions(ctx context.Context) (*rpc.Subscrip
 	return rpcSub, nil
 }
 
-// NewAcceptedTransactions creates a subscription that is triggered each time a transaction is accepted.
-func (api *FilterAPI) NewAcceptedTransactions(ctx context.Context) (*rpc.Subscription, error) {
+// NewAcceptedTransactions creates a subscription that is triggered each time a
+// transaction is accepted. If fullTx is true the full tx is
+// sent to the client, otherwise the hash is sent.
+func (api *FilterAPI) NewAcceptedTransactions(ctx context.Context, fullTx *bool) (*rpc.Subscription, error) {
 	notifier, supported := rpc.NotifierFromContext(ctx)
 	if !supported {
 		return &rpc.Subscription{}, rpc.ErrNotificationsUnsupported
@@ -188,14 +201,23 @@ func (api *FilterAPI) NewAcceptedTransactions(ctx context.Context) (*rpc.Subscri
 	rpcSub := notifier.CreateSubscription()
 
 	go func() {
-		txHashes := make(chan []common.Hash, 128)
-		acceptedTxSub := api.events.SubscribeAcceptedTxs(txHashes)
+		txs := make(chan []*types.Transaction, 128)
+		acceptedTxSub := api.events.SubscribeAcceptedTxs(txs)
+		chainConfig := api.sys.backend.ChainConfig()
 
 		for {
 			select {
-			case hashes := <-txHashes:
-				for _, h := range hashes {
-					notifier.Notify(rpcSub.ID, h)
+			case txs := <-txs:
+				// To keep the original behaviour, send a single tx hash in one notification.
+				// TODO(rjl493456442) Send a batch of tx hashes in one notification
+				latest := api.sys.backend.LastAcceptedBlock().Header()
+				for _, tx := range txs {
+					if fullTx != nil && *fullTx {
+						rpcTx := ethapi.NewRPCTransaction(tx, latest, latest.BaseFee, chainConfig)
+						notifier.Notify(rpcSub.ID, rpcTx)
+					} else {
+						notifier.Notify(rpcSub.ID, tx.Hash())
+					}
 				}
 			case <-rpcSub.Err():
 				acceptedTxSub.Unsubscribe()
@@ -493,6 +515,14 @@ func (api *FilterAPI) GetFilterChanges(id rpc.ID) (interface{}, error) {
 	api.filtersMu.Lock()
 	defer api.filtersMu.Unlock()
 
+	chainConfig := api.sys.backend.ChainConfig()
+	latest := api.sys.backend.CurrentHeader()
+
+	var baseFee *big.Int
+	if latest != nil {
+		baseFee = latest.BaseFee
+	}
+
 	if f, found := api.filters[id]; found {
 		if !f.deadline.Stop() {
 			// timer expired but filter is not yet removed in timeout loop
@@ -502,10 +532,26 @@ func (api *FilterAPI) GetFilterChanges(id rpc.ID) (interface{}, error) {
 		f.deadline.Reset(api.timeout)
 
 		switch f.typ {
-		case PendingTransactionsSubscription, BlocksSubscription, AcceptedBlocksSubscription, AcceptedTransactionsSubscription:
+		case BlocksSubscription, AcceptedBlocksSubscription:
 			hashes := f.hashes
 			f.hashes = nil
 			return returnHashes(hashes), nil
+		case PendingTransactionsSubscription, AcceptedTransactionsSubscription:
+			if f.fullTx {
+				txs := make([]*ethapi.RPCTransaction, 0, len(f.txs))
+				for _, tx := range f.txs {
+					txs = append(txs, ethapi.NewRPCTransaction(tx, latest, baseFee, chainConfig))
+				}
+				f.txs = nil
+				return txs, nil
+			} else {
+				hashes := make([]common.Hash, 0, len(f.txs))
+				for _, tx := range f.txs {
+					hashes = append(hashes, tx.Hash())
+				}
+				f.txs = nil
+				return hashes, nil
+			}
 		case LogsSubscription, AcceptedLogsSubscription, MinedAndPendingLogsSubscription:
 			logs := f.logs
 			f.logs = nil
diff --git a/eth/filters/filter.go b/eth/filters/filter.go
index 65869a5f4d..0bcd0a7b5f 100644
--- a/eth/filters/filter.go
+++ b/eth/filters/filter.go
@@ -128,7 +128,7 @@ func (f *Filter) Logs(ctx context.Context) ([]*types.Log, error) {
 		if header == nil {
 			return nil, errors.New("unknown block")
 		}
-		return f.blockLogs(ctx, header, false)
+		return f.blockLogs(ctx, header)
 	}
 	// Short-cut if all we care about is pending logs
 	if f.begin == rpc.PendingBlockNumber.Int64() {
@@ -171,7 +171,7 @@ func (f *Filter) Logs(ctx context.Context) ([]*types.Log, error) {
 
 	// If the requested range of blocks exceeds the maximum number of blocks allowed by the backend
 	// return an error instead of searching for the logs.
-	if maxBlocks := f.sys.backend.GetMaxBlocksPerRequest(); int64(end)-f.begin > maxBlocks && maxBlocks > 0 {
+	if maxBlocks := f.sys.backend.GetMaxBlocksPerRequest(); int64(end)-f.begin >= maxBlocks && maxBlocks > 0 {
 		return nil, fmt.Errorf("requested too many blocks from %d to %d, maximum is set to %d", f.begin, int64(end), maxBlocks)
 	}
 	// Gather all indexed logs, and finish with non indexed ones
@@ -229,7 +229,7 @@ func (f *Filter) indexedLogs(ctx context.Context, end uint64) ([]*types.Log, err
 			if header == nil || err != nil {
 				return logs, err
 			}
-			found, err := f.blockLogs(ctx, header, true)
+			found, err := f.checkMatches(ctx, header)
 			if err != nil {
 				return logs, err
 			}
@@ -247,11 +247,14 @@ func (f *Filter) unindexedLogs(ctx context.Context, end uint64) ([]*types.Log, e
 	var logs []*types.Log
 
 	for ; f.begin <= int64(end); f.begin++ {
+		if f.begin%10 == 0 && ctx.Err() != nil {
+			return logs, ctx.Err()
+		}
 		header, err := f.sys.backend.HeaderByNumber(ctx, rpc.BlockNumber(f.begin))
 		if header == nil || err != nil {
 			return logs, err
 		}
-		found, err := f.blockLogs(ctx, header, false)
+		found, err := f.blockLogs(ctx, header)
 		if err != nil {
 			return logs, err
 		}
@@ -261,15 +264,8 @@ func (f *Filter) unindexedLogs(ctx context.Context, end uint64) ([]*types.Log, e
 }
 
 // blockLogs returns the logs matching the filter criteria within a single block.
-func (f *Filter) blockLogs(ctx context.Context, header *types.Header, skipBloom bool) ([]*types.Log, error) {
-	// Fast track: no filtering criteria
-	if len(f.addresses) == 0 && len(f.topics) == 0 {
-		list, err := f.sys.getLogs(ctx, header.Hash(), header.Number.Uint64())
-		if err != nil {
-			return nil, err
-		}
-		return types.FlattenLogs(list), nil
-	} else if skipBloom || bloomFilter(header.Bloom, f.addresses, f.topics) {
+func (f *Filter) blockLogs(ctx context.Context, header *types.Header) ([]*types.Log, error) {
+	if bloomFilter(header.Bloom, f.addresses, f.topics) {
 		return f.checkMatches(ctx, header)
 	}
 	return nil, nil
diff --git a/eth/filters/filter_system.go b/eth/filters/filter_system.go
index f5ec9fc66c..21864f57ca 100644
--- a/eth/filters/filter_system.go
+++ b/eth/filters/filter_system.go
@@ -36,11 +36,11 @@ import (
 
 	"github.com/ava-labs/subnet-evm/core"
 	"github.com/ava-labs/subnet-evm/core/bloombits"
-	"github.com/ava-labs/subnet-evm/core/rawdb"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/core/vm"
 	"github.com/ava-labs/subnet-evm/ethdb"
 	"github.com/ava-labs/subnet-evm/interfaces"
+	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ava-labs/subnet-evm/rpc"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/event"
@@ -63,9 +63,12 @@ type Backend interface {
 	ChainDb() ethdb.Database
 	HeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Header, error)
 	HeaderByHash(ctx context.Context, blockHash common.Hash) (*types.Header, error)
+	GetBody(ctx context.Context, hash common.Hash, number rpc.BlockNumber) (*types.Body, error)
 	GetReceipts(ctx context.Context, blockHash common.Hash) (types.Receipts, error)
 	GetLogs(ctx context.Context, blockHash common.Hash, number uint64) ([][]*types.Log, error)
 
+	CurrentHeader() *types.Header
+	ChainConfig() *params.ChainConfig
 	SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription
 	SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription
 	SubscribeChainAcceptedEvent(ch chan<- core.ChainEvent) event.Subscription
@@ -88,6 +91,8 @@ type Backend interface {
 
 // FilterSystem holds resources shared by all filters.
 type FilterSystem struct {
+	// Note: go-ethereum uses an LRU cache for logs,
+	// instead we cache logs on the blockchain object itself.
 	backend Backend
 	cfg     *Config
 }
@@ -129,16 +134,16 @@ const (
 	PendingLogsSubscription
 	// MinedAndPendingLogsSubscription queries for logs in mined and pending blocks.
 	MinedAndPendingLogsSubscription
-	// PendingTransactionsSubscription queries tx hashes for pending
-	// transactions entering the pending state
+	// PendingTransactionsSubscription queries for pending transactions entering
+	// the pending state
 	PendingTransactionsSubscription
-	// AcceptedTransactionsSubscription queries tx hashes for accepted transactions
+	// AcceptedTransactionsSubscription queries for accepted transactions
 	AcceptedTransactionsSubscription
 	// BlocksSubscription queries hashes for blocks that are imported
 	BlocksSubscription
 	// AcceptedBlocksSubscription queries hashes for blocks that are accepted
 	AcceptedBlocksSubscription
-	// LastSubscription keeps track of the last index
+	// LastIndexSubscription keeps track of the last index
 	LastIndexSubscription
 )
 
@@ -160,7 +165,7 @@ type subscription struct {
 	created   time.Time
 	logsCrit  interfaces.FilterQuery
 	logs      chan []*types.Log
-	hashes    chan []common.Hash
+	txs       chan []*types.Transaction
 	headers   chan *types.Header
 	installed chan struct{} // closed when the filter is installed
 	err       chan error    // closed when the filter is uninstalled
@@ -169,10 +174,8 @@ type subscription struct {
 // EventSystem creates subscriptions, processes events and broadcasts them to the
 // subscription which match the subscription criteria.
 type EventSystem struct {
-	backend   Backend
-	sys       *FilterSystem
-	lightMode bool
-	lastHead  *types.Header
+	backend Backend
+	sys     *FilterSystem
 
 	// Subscriptions
 	txsSub           event.Subscription // Subscription for new transaction event
@@ -203,11 +206,10 @@ type EventSystem struct {
 //
 // The returned manager has a loop that needs to be stopped with the Stop function
 // or by stopping the given mux.
-func NewEventSystem(sys *FilterSystem, lightMode bool) *EventSystem {
+func NewEventSystem(sys *FilterSystem) *EventSystem {
 	m := &EventSystem{
 		sys:             sys,
 		backend:         sys.backend,
-		lightMode:       lightMode,
 		install:         make(chan *subscription),
 		uninstall:       make(chan *subscription),
 		txsCh:           make(chan core.NewTxsEvent, txChanSize),
@@ -265,7 +267,7 @@ func (sub *Subscription) Unsubscribe() {
 			case sub.es.uninstall <- sub.f:
 				break uninstallLoop
 			case <-sub.f.logs:
-			case <-sub.f.hashes:
+			case <-sub.f.txs:
 			case <-sub.f.headers:
 			}
 		}
@@ -355,7 +357,7 @@ func (es *EventSystem) subscribeAcceptedLogs(crit interfaces.FilterQuery, logs c
 		logsCrit:  crit,
 		created:   time.Now(),
 		logs:      logs,
-		hashes:    make(chan []common.Hash),
+		txs:       make(chan []*types.Transaction),
 		headers:   make(chan *types.Header),
 		installed: make(chan struct{}),
 		err:       make(chan error),
@@ -372,7 +374,7 @@ func (es *EventSystem) subscribeMinedPendingLogs(crit interfaces.FilterQuery, lo
 		logsCrit:  crit,
 		created:   time.Now(),
 		logs:      logs,
-		hashes:    make(chan []common.Hash),
+		txs:       make(chan []*types.Transaction),
 		headers:   make(chan *types.Header),
 		installed: make(chan struct{}),
 		err:       make(chan error),
@@ -389,7 +391,7 @@ func (es *EventSystem) subscribeLogs(crit interfaces.FilterQuery, logs chan []*t
 		logsCrit:  crit,
 		created:   time.Now(),
 		logs:      logs,
-		hashes:    make(chan []common.Hash),
+		txs:       make(chan []*types.Transaction),
 		headers:   make(chan *types.Header),
 		installed: make(chan struct{}),
 		err:       make(chan error),
@@ -406,7 +408,7 @@ func (es *EventSystem) subscribePendingLogs(crit interfaces.FilterQuery, logs ch
 		logsCrit:  crit,
 		created:   time.Now(),
 		logs:      logs,
-		hashes:    make(chan []common.Hash),
+		txs:       make(chan []*types.Transaction),
 		headers:   make(chan *types.Header),
 		installed: make(chan struct{}),
 		err:       make(chan error),
@@ -422,7 +424,7 @@ func (es *EventSystem) SubscribeNewHeads(headers chan *types.Header) *Subscripti
 		typ:       BlocksSubscription,
 		created:   time.Now(),
 		logs:      make(chan []*types.Log),
-		hashes:    make(chan []common.Hash),
+		txs:       make(chan []*types.Transaction),
 		headers:   headers,
 		installed: make(chan struct{}),
 		err:       make(chan error),
@@ -438,7 +440,7 @@ func (es *EventSystem) SubscribeAcceptedHeads(headers chan *types.Header) *Subsc
 		typ:       AcceptedBlocksSubscription,
 		created:   time.Now(),
 		logs:      make(chan []*types.Log),
-		hashes:    make(chan []common.Hash),
+		txs:       make(chan []*types.Transaction),
 		headers:   headers,
 		installed: make(chan struct{}),
 		err:       make(chan error),
@@ -446,15 +448,15 @@ func (es *EventSystem) SubscribeAcceptedHeads(headers chan *types.Header) *Subsc
 	return es.subscribe(sub)
 }
 
-// SubscribePendingTxs creates a subscription that writes transaction hashes for
+// SubscribePendingTxs creates a subscription that writes transactions for
 // transactions that enter the transaction pool.
-func (es *EventSystem) SubscribePendingTxs(hashes chan []common.Hash) *Subscription {
+func (es *EventSystem) SubscribePendingTxs(txs chan []*types.Transaction) *Subscription {
 	sub := &subscription{
 		id:        rpc.NewID(),
 		typ:       PendingTransactionsSubscription,
 		created:   time.Now(),
 		logs:      make(chan []*types.Log),
-		hashes:    hashes,
+		txs:       txs,
 		headers:   make(chan *types.Header),
 		installed: make(chan struct{}),
 		err:       make(chan error),
@@ -462,15 +464,15 @@ func (es *EventSystem) SubscribePendingTxs(hashes chan []common.Hash) *Subscript
 	return es.subscribe(sub)
 }
 
-// SubscribeAcceptedTxs creates a subscription that writes transaction hashes for
+// SubscribeAcceptedTxs creates a subscription that writes transactions for
 // transactions have been accepted.
-func (es *EventSystem) SubscribeAcceptedTxs(hashes chan []common.Hash) *Subscription {
+func (es *EventSystem) SubscribeAcceptedTxs(txs chan []*types.Transaction) *Subscription {
 	sub := &subscription{
 		id:        rpc.NewID(),
 		typ:       AcceptedTransactionsSubscription,
 		created:   time.Now(),
 		logs:      make(chan []*types.Log),
-		hashes:    hashes,
+		txs:       txs,
 		headers:   make(chan *types.Header),
 		installed: make(chan struct{}),
 		err:       make(chan error),
@@ -526,16 +528,12 @@ func (es *EventSystem) handleRemovedLogs(filters filterIndex, ev core.RemovedLog
 }
 
 func (es *EventSystem) handleTxsEvent(filters filterIndex, ev core.NewTxsEvent, accepted bool) {
-	hashes := make([]common.Hash, 0, len(ev.Txs))
-	for _, tx := range ev.Txs {
-		hashes = append(hashes, tx.Hash())
-	}
 	for _, f := range filters[PendingTransactionsSubscription] {
-		f.hashes <- hashes
+		f.txs <- ev.Txs
 	}
 	if accepted {
 		for _, f := range filters[AcceptedTransactionsSubscription] {
-			f.hashes <- hashes
+			f.txs <- ev.Txs
 		}
 	}
 }
@@ -544,103 +542,12 @@ func (es *EventSystem) handleChainEvent(filters filterIndex, ev core.ChainEvent)
 	for _, f := range filters[BlocksSubscription] {
 		f.headers <- ev.Block.Header()
 	}
-	if es.lightMode && len(filters[LogsSubscription]) > 0 {
-		es.lightFilterNewHead(ev.Block.Header(), func(header *types.Header, remove bool) {
-			for _, f := range filters[LogsSubscription] {
-				if matchedLogs := es.lightFilterLogs(header, f.logsCrit.Addresses, f.logsCrit.Topics, remove); len(matchedLogs) > 0 {
-					f.logs <- matchedLogs
-				}
-			}
-		})
-	}
 }
 
 func (es *EventSystem) handleChainAcceptedEvent(filters filterIndex, ev core.ChainEvent) {
 	for _, f := range filters[AcceptedBlocksSubscription] {
 		f.headers <- ev.Block.Header()
 	}
-	if es.lightMode && len(filters[LogsSubscription]) > 0 {
-		es.lightFilterNewHead(ev.Block.Header(), func(header *types.Header, remove bool) {
-			for _, f := range filters[LogsSubscription] {
-				if matchedLogs := es.lightFilterLogs(header, f.logsCrit.Addresses, f.logsCrit.Topics, remove); len(matchedLogs) > 0 {
-					f.logs <- matchedLogs
-				}
-			}
-		})
-	}
-}
-
-func (es *EventSystem) lightFilterNewHead(newHeader *types.Header, callBack func(*types.Header, bool)) {
-	oldh := es.lastHead
-	es.lastHead = newHeader
-	if oldh == nil {
-		return
-	}
-	newh := newHeader
-	// find common ancestor, create list of rolled back and new block hashes
-	var oldHeaders, newHeaders []*types.Header
-	for oldh.Hash() != newh.Hash() {
-		if oldh.Number.Uint64() >= newh.Number.Uint64() {
-			oldHeaders = append(oldHeaders, oldh)
-			oldh = rawdb.ReadHeader(es.backend.ChainDb(), oldh.ParentHash, oldh.Number.Uint64()-1)
-		}
-		if oldh.Number.Uint64() < newh.Number.Uint64() {
-			newHeaders = append(newHeaders, newh)
-			newh = rawdb.ReadHeader(es.backend.ChainDb(), newh.ParentHash, newh.Number.Uint64()-1)
-			if newh == nil {
-				// happens when CHT syncing, nothing to do
-				newh = oldh
-			}
-		}
-	}
-	// roll back old blocks
-	for _, h := range oldHeaders {
-		callBack(h, true)
-	}
-	// check new blocks (array is in reverse order)
-	for i := len(newHeaders) - 1; i >= 0; i-- {
-		callBack(newHeaders[i], false)
-	}
-}
-
-// filter logs of a single header in light client mode
-func (es *EventSystem) lightFilterLogs(header *types.Header, addresses []common.Address, topics [][]common.Hash, remove bool) []*types.Log {
-	if bloomFilter(header.Bloom, addresses, topics) {
-		// Get the logs of the block
-		ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-		defer cancel()
-		logsList, err := es.sys.getLogs(ctx, header.Hash(), header.Number.Uint64())
-		if err != nil {
-			return nil
-		}
-		var unfiltered []*types.Log
-		for _, logs := range logsList {
-			for _, log := range logs {
-				logcopy := *log
-				logcopy.Removed = remove
-				unfiltered = append(unfiltered, &logcopy)
-			}
-		}
-		logs := filterLogs(unfiltered, nil, nil, addresses, topics)
-		if len(logs) > 0 && logs[0].TxHash == (common.Hash{}) {
-			// We have matching but non-derived logs
-			receipts, err := es.backend.GetReceipts(ctx, header.Hash())
-			if err != nil {
-				return nil
-			}
-			unfiltered = unfiltered[:0]
-			for _, receipt := range receipts {
-				for _, log := range receipt.Logs {
-					logcopy := *log
-					logcopy.Removed = remove
-					unfiltered = append(unfiltered, &logcopy)
-				}
-			}
-			logs = filterLogs(unfiltered, nil, nil, addresses, topics)
-		}
-		return logs
-	}
-	return nil
 }
 
 // eventLoop (un)installs filters and processes mux events.
diff --git a/eth/filters/filter_system_test.go b/eth/filters/filter_system_test.go
index 74dca1fbca..92be863bb0 100644
--- a/eth/filters/filter_system_test.go
+++ b/eth/filters/filter_system_test.go
@@ -28,6 +28,7 @@ package filters
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"math/big"
 	"math/rand"
@@ -44,6 +45,7 @@ import (
 	"github.com/ava-labs/subnet-evm/core/vm"
 	"github.com/ava-labs/subnet-evm/ethdb"
 	"github.com/ava-labs/subnet-evm/interfaces"
+	"github.com/ava-labs/subnet-evm/internal/ethapi"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ava-labs/subnet-evm/rpc"
 	"github.com/ethereum/go-ethereum/common"
@@ -52,14 +54,24 @@ import (
 )
 
 type testBackend struct {
-	db              ethdb.Database
-	sections        uint64
-	txFeed          event.Feed
-	acceptedTxFeed  event.Feed
-	logsFeed        event.Feed
-	rmLogsFeed      event.Feed
-	pendingLogsFeed event.Feed
-	chainFeed       event.Feed
+	db                ethdb.Database
+	sections          uint64
+	txFeed            event.Feed
+	acceptedTxFeed    event.Feed
+	logsFeed          event.Feed
+	rmLogsFeed        event.Feed
+	pendingLogsFeed   event.Feed
+	chainFeed         event.Feed
+	chainAcceptedFeed event.Feed
+}
+
+func (b *testBackend) ChainConfig() *params.ChainConfig {
+	return params.TestChainConfig
+}
+
+func (b *testBackend) CurrentHeader() *types.Header {
+	hdr, _ := b.HeaderByNumber(context.TODO(), rpc.LatestBlockNumber)
+	return hdr
 }
 
 func (b *testBackend) ChainDb() ethdb.Database {
@@ -83,14 +95,15 @@ func (b *testBackend) HeaderByNumber(ctx context.Context, blockNr rpc.BlockNumbe
 		hash common.Hash
 		num  uint64
 	)
-	if blockNr == rpc.LatestBlockNumber {
+	switch blockNr {
+	case rpc.LatestBlockNumber, rpc.AcceptedBlockNumber:
 		hash = rawdb.ReadHeadBlockHash(b.db)
 		number := rawdb.ReadHeaderNumber(b.db, hash)
 		if number == nil {
 			return nil, nil
 		}
 		num = *number
-	} else {
+	default:
 		num = uint64(blockNr)
 		hash = rawdb.ReadCanonicalHash(b.db, num)
 	}
@@ -105,6 +118,13 @@ func (b *testBackend) HeaderByHash(ctx context.Context, hash common.Hash) (*type
 	return rawdb.ReadHeader(b.db, hash, *number), nil
 }
 
+func (b *testBackend) GetBody(ctx context.Context, hash common.Hash, number rpc.BlockNumber) (*types.Body, error) {
+	if body := rawdb.ReadBody(b.db, hash, uint64(number)); body != nil {
+		return body, nil
+	}
+	return nil, errors.New("block body not found")
+}
+
 func (b *testBackend) GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error) {
 	if number := rawdb.ReadHeaderNumber(b.db, hash); number != nil {
 		return rawdb.ReadReceipts(b.db, hash, *number, params.TestChainConfig), nil
@@ -146,7 +166,7 @@ func (b *testBackend) SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subsc
 }
 
 func (b *testBackend) SubscribeChainAcceptedEvent(ch chan<- core.ChainEvent) event.Subscription {
-	return b.chainFeed.Subscribe(ch)
+	return b.chainAcceptedFeed.Subscribe(ch)
 }
 
 func (b *testBackend) BloomStatus() (uint64, uint64) {
@@ -198,14 +218,13 @@ func TestBlockSubscription(t *testing.T) {
 	var (
 		db           = rawdb.NewMemoryDatabase()
 		backend, sys = newTestFilterSystem(t, db, Config{})
-		api          = NewFilterAPI(sys, false)
-		gspec        = &core.Genesis{
+		api          = NewFilterAPI(sys)
+		genesis      = &core.Genesis{
 			Config:  params.TestChainConfig,
 			BaseFee: big.NewInt(1),
 		}
-		genesis     = gspec.MustCommit(db)
-		chain, _, _ = core.GenerateChain(gspec.Config, genesis, dummy.NewFaker(), db, 10, 10, func(i int, b *core.BlockGen) {})
-		chainEvents = []core.ChainEvent{}
+		_, chain, _, _ = core.GenerateChainWithGenesis(genesis, dummy.NewFaker(), 10, 10, func(i int, b *core.BlockGen) {})
+		chainEvents    = []core.ChainEvent{}
 	)
 
 	for _, blk := range chain {
@@ -254,7 +273,7 @@ func TestPendingTxFilter(t *testing.T) {
 	var (
 		db           = rawdb.NewMemoryDatabase()
 		backend, sys = newTestFilterSystem(t, db, Config{})
-		api          = NewFilterAPI(sys, false)
+		api          = NewFilterAPI(sys)
 
 		transactions = []*types.Transaction{
 			types.NewTransaction(0, common.HexToAddress("0xb794f5ea0ba39494ce83a213fffba74279579268"), new(big.Int), 0, new(big.Int), nil),
@@ -267,7 +286,7 @@ func TestPendingTxFilter(t *testing.T) {
 		hashes []common.Hash
 	)
 
-	fid0 := api.NewPendingTransactionFilter()
+	fid0 := api.NewPendingTransactionFilter(nil)
 
 	time.Sleep(1 * time.Second)
 	backend.txFeed.Send(core.NewTxsEvent{Txs: transactions})
@@ -303,13 +322,70 @@ func TestPendingTxFilter(t *testing.T) {
 	}
 }
 
+// TestPendingTxFilterFullTx tests whether pending tx filters retrieve all pending transactions that are posted to the event mux.
+func TestPendingTxFilterFullTx(t *testing.T) {
+	t.Parallel()
+
+	var (
+		db           = rawdb.NewMemoryDatabase()
+		backend, sys = newTestFilterSystem(t, db, Config{})
+		api          = NewFilterAPI(sys)
+
+		transactions = []*types.Transaction{
+			types.NewTransaction(0, common.HexToAddress("0xb794f5ea0ba39494ce83a213fffba74279579268"), new(big.Int), 0, new(big.Int), nil),
+			types.NewTransaction(1, common.HexToAddress("0xb794f5ea0ba39494ce83a213fffba74279579268"), new(big.Int), 0, new(big.Int), nil),
+			types.NewTransaction(2, common.HexToAddress("0xb794f5ea0ba39494ce83a213fffba74279579268"), new(big.Int), 0, new(big.Int), nil),
+			types.NewTransaction(3, common.HexToAddress("0xb794f5ea0ba39494ce83a213fffba74279579268"), new(big.Int), 0, new(big.Int), nil),
+			types.NewTransaction(4, common.HexToAddress("0xb794f5ea0ba39494ce83a213fffba74279579268"), new(big.Int), 0, new(big.Int), nil),
+		}
+
+		txs []*ethapi.RPCTransaction
+	)
+
+	fullTx := true
+	fid0 := api.NewPendingTransactionFilter(&fullTx)
+
+	time.Sleep(1 * time.Second)
+	backend.txFeed.Send(core.NewTxsEvent{Txs: transactions})
+
+	timeout := time.Now().Add(1 * time.Second)
+	for {
+		results, err := api.GetFilterChanges(fid0)
+		if err != nil {
+			t.Fatalf("Unable to retrieve logs: %v", err)
+		}
+
+		tx := results.([]*ethapi.RPCTransaction)
+		txs = append(txs, tx...)
+		if len(txs) >= len(transactions) {
+			break
+		}
+		// check timeout
+		if time.Now().After(timeout) {
+			break
+		}
+
+		time.Sleep(100 * time.Millisecond)
+	}
+
+	if len(txs) != len(transactions) {
+		t.Errorf("invalid number of transactions, want %d transactions(s), got %d", len(transactions), len(txs))
+		return
+	}
+	for i := range txs {
+		if txs[i].Hash != transactions[i].Hash() {
+			t.Errorf("hashes[%d] invalid, want %x, got %x", i, transactions[i].Hash(), txs[i].Hash)
+		}
+	}
+}
+
 // TestLogFilterCreation test whether a given filter criteria makes sense.
 // If not it must return an error.
 func TestLogFilterCreation(t *testing.T) {
 	var (
 		db     = rawdb.NewMemoryDatabase()
 		_, sys = newTestFilterSystem(t, db, Config{})
-		api    = NewFilterAPI(sys, false)
+		api    = NewFilterAPI(sys)
 
 		testCases = []struct {
 			crit    FilterCriteria
@@ -356,7 +432,7 @@ func TestInvalidLogFilterCreation(t *testing.T) {
 	var (
 		db     = rawdb.NewMemoryDatabase()
 		_, sys = newTestFilterSystem(t, db, Config{})
-		api    = NewFilterAPI(sys, false)
+		api    = NewFilterAPI(sys)
 	)
 
 	// different situations where log filter creation should fail.
@@ -378,7 +454,7 @@ func TestInvalidGetLogsRequest(t *testing.T) {
 	var (
 		db        = rawdb.NewMemoryDatabase()
 		_, sys    = newTestFilterSystem(t, db, Config{})
-		api       = NewFilterAPI(sys, false)
+		api       = NewFilterAPI(sys)
 		blockHash = common.HexToHash("0x1111111111111111111111111111111111111111111111111111111111111111")
 	)
 
@@ -403,7 +479,7 @@ func TestLogFilter(t *testing.T) {
 	var (
 		db           = rawdb.NewMemoryDatabase()
 		backend, sys = newTestFilterSystem(t, db, Config{})
-		api          = NewFilterAPI(sys, false)
+		api          = NewFilterAPI(sys)
 
 		firstAddr      = common.HexToAddress("0x1111111111111111111111111111111111111111")
 		secondAddr     = common.HexToAddress("0x2222222222222222222222222222222222222222")
@@ -517,7 +593,7 @@ func TestPendingLogsSubscription(t *testing.T) {
 	var (
 		db           = rawdb.NewMemoryDatabase()
 		backend, sys = newTestFilterSystem(t, db, Config{})
-		api          = NewFilterAPI(sys, false)
+		api          = NewFilterAPI(sys)
 
 		firstAddr      = common.HexToAddress("0x1111111111111111111111111111111111111111")
 		secondAddr     = common.HexToAddress("0x2222222222222222222222222222222222222222")
@@ -701,7 +777,7 @@ func TestPendingTxFilterDeadlock(t *testing.T) {
 	var (
 		db           = rawdb.NewMemoryDatabase()
 		backend, sys = newTestFilterSystem(t, db, Config{Timeout: timeout})
-		api          = NewFilterAPI(sys, false)
+		api          = NewFilterAPI(sys)
 		done         = make(chan struct{})
 	)
 
@@ -725,7 +801,7 @@ func TestPendingTxFilterDeadlock(t *testing.T) {
 	// timeout either in 100ms or 200ms
 	fids := make([]rpc.ID, 20)
 	for i := 0; i < len(fids); i++ {
-		fid := api.NewPendingTransactionFilter()
+		fid := api.NewPendingTransactionFilter(nil)
 		fids[i] = fid
 		// Wait for at least one tx to arrive in filter
 		for {
@@ -768,14 +844,13 @@ func flattenLogs(pl [][]*types.Log) []*types.Log {
 
 func TestGetLogsRegression(t *testing.T) {
 	var (
-		db     = rawdb.NewMemoryDatabase()
-		_, sys = newSectionedTestFilterSystem(t, db, Config{}, 4096)
-		api    = NewFilterAPI(sys, false)
-		gspec  = core.Genesis{
+		db      = rawdb.NewMemoryDatabase()
+		_, sys  = newSectionedTestFilterSystem(t, db, Config{}, 4096)
+		api     = NewFilterAPI(sys)
+		genesis = &core.Genesis{
 			Config: params.TestChainConfig,
 		}
-		genesis = gspec.MustCommit(db)
-		_, _, _ = core.GenerateChain(gspec.Config, genesis, dummy.NewFaker(), db, 10, 10, func(i int, b *core.BlockGen) {})
+		_, _, _, _ = core.GenerateChainWithGenesis(genesis, dummy.NewFaker(), 10, 10, func(i int, gen *core.BlockGen) {})
 	)
 
 	test := FilterCriteria{BlockHash: &common.Hash{}, FromBlock: big.NewInt(rpc.LatestBlockNumber.Int64())}
diff --git a/eth/filters/filter_test.go b/eth/filters/filter_test.go
index 6bdec741f8..246d2ea386 100644
--- a/eth/filters/filter_test.go
+++ b/eth/filters/filter_test.go
@@ -29,6 +29,7 @@ package filters
 import (
 	"context"
 	"math/big"
+	"reflect"
 	"testing"
 
 	"github.com/ava-labs/subnet-evm/consensus/dummy"
@@ -51,10 +52,8 @@ func makeReceipt(addr common.Address) *types.Receipt {
 }
 
 func BenchmarkFilters(b *testing.B) {
-	dir := b.TempDir()
-
 	var (
-		db, _   = rawdb.NewLevelDBDatabase(dir, 0, 0, "", false)
+		db, _   = rawdb.NewLevelDBDatabase(b.TempDir(), 0, 0, "", false)
 		_, sys  = newTestFilterSystem(b, db, Config{})
 		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
 		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
@@ -62,18 +61,14 @@ func BenchmarkFilters(b *testing.B) {
 		addr3   = common.BytesToAddress([]byte("ethereum"))
 		addr4   = common.BytesToAddress([]byte("random addresses please"))
 
-		gspec = core.Genesis{
+		gspec = &core.Genesis{
+			Config:  params.TestChainConfig,
 			Alloc:   core.GenesisAlloc{addr1: {Balance: big.NewInt(1000000)}},
 			BaseFee: big.NewInt(1),
-			Config:  params.TestChainConfig,
 		}
-		genesis = gspec.ToBlock(db)
 	)
 	defer db.Close()
-
-	gspec.MustCommit(db)
-
-	chain, receipts, err := core.GenerateChain(gspec.Config, genesis, dummy.NewFaker(), db, 100010, 10, func(i int, gen *core.BlockGen) {
+	_, chain, receipts, err := core.GenerateChainWithGenesis(gspec, dummy.NewFaker(), 100010, 10, func(i int, gen *core.BlockGen) {
 		switch i {
 		case 2403:
 			receipt := makeReceipt(addr1)
@@ -94,6 +89,10 @@ func BenchmarkFilters(b *testing.B) {
 		}
 	})
 	require.NoError(b, err)
+	// The test txs are not properly signed, can't simply create a chain
+	// and then import blocks. TODO(rjl493456442) try to get rid of the
+	// manual database writes.
+	gspec.MustCommit(db)
 	for i, block := range chain {
 		rawdb.WriteBlock(db, block)
 		rawdb.WriteCanonicalHash(db, block.Hash(), block.NumberU64())
@@ -114,10 +113,8 @@ func BenchmarkFilters(b *testing.B) {
 }
 
 func TestFilters(t *testing.T) {
-	dir := t.TempDir()
-
 	var (
-		db, _   = rawdb.NewLevelDBDatabase(dir, 0, 0, "", false)
+		db, _   = rawdb.NewLevelDBDatabase(t.TempDir(), 0, 0, "", false)
 		_, sys  = newTestFilterSystem(t, db, Config{})
 		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
 		addr    = crypto.PubkeyToAddress(key1.PublicKey)
@@ -127,18 +124,15 @@ func TestFilters(t *testing.T) {
 		hash3 = common.BytesToHash([]byte("topic3"))
 		hash4 = common.BytesToHash([]byte("topic4"))
 
-		gspec = core.Genesis{
+		gspec = &core.Genesis{
+			Config:  params.TestChainConfig,
 			Alloc:   core.GenesisAlloc{addr: {Balance: big.NewInt(1000000)}},
 			BaseFee: big.NewInt(1),
-			Config:  params.TestChainConfig,
 		}
-		genesis = gspec.ToBlock(db)
 	)
 	defer db.Close()
 
-	gspec.MustCommit(db)
-
-	chain, receipts, err := core.GenerateChain(gspec.Config, genesis, dummy.NewFaker(), db, 1000, 10, func(i int, gen *core.BlockGen) {
+	_, chain, receipts, err := core.GenerateChainWithGenesis(gspec, dummy.NewFaker(), 1000, 10, func(i int, gen *core.BlockGen) {
 		switch i {
 		case 1:
 			receipt := types.NewReceipt(nil, false, 0)
@@ -184,6 +178,10 @@ func TestFilters(t *testing.T) {
 		}
 	})
 	require.NoError(t, err)
+	// The test txs are not properly signed, can't simply create a chain
+	// and then import blocks. TODO(rjl493456442) try to get rid of the
+	// manual database writes.
+	gspec.MustCommit(db)
 	for i, block := range chain {
 		rawdb.WriteBlock(db, block)
 		rawdb.WriteCanonicalHash(db, block.Hash(), block.NumberU64())
@@ -193,65 +191,75 @@ func TestFilters(t *testing.T) {
 
 	filter, err := sys.NewRangeFilter(0, -1, []common.Address{addr}, [][]common.Hash{{hash1, hash2, hash3, hash4}})
 	require.NoError(t, err)
-
 	logs, _ := filter.Logs(context.Background())
 	if len(logs) != 4 {
 		t.Error("expected 4 log, got", len(logs))
 	}
 
-	filter, err = sys.NewRangeFilter(900, 999, []common.Address{addr}, [][]common.Hash{{hash3}})
-	require.NoError(t, err)
-
-	logs, _ = filter.Logs(context.Background())
-	if len(logs) != 1 {
-		t.Error("expected 1 log, got", len(logs))
-	}
-	if len(logs) > 0 && logs[0].Topics[0] != hash3 {
-		t.Errorf("expected log[0].Topics[0] to be %x, got %x", hash3, logs[0].Topics[0])
-	}
-
-	filter, err = sys.NewRangeFilter(990, -1, []common.Address{addr}, [][]common.Hash{{hash3}})
-	require.NoError(t, err)
-
-	logs, _ = filter.Logs(context.Background())
-	if len(logs) != 1 {
-		t.Error("expected 1 log, got", len(logs))
-	}
-	if len(logs) > 0 && logs[0].Topics[0] != hash3 {
-		t.Errorf("expected log[0].Topics[0] to be %x, got %x", hash3, logs[0].Topics[0])
-	}
-
-	filter, err = sys.NewRangeFilter(1, 10, nil, [][]common.Hash{{hash1, hash2}})
-	require.NoError(t, err)
-
-	logs, _ = filter.Logs(context.Background())
-	if len(logs) != 2 {
-		t.Error("expected 2 log, got", len(logs))
-	}
-
-	failHash := common.BytesToHash([]byte("fail"))
-	filter, err = sys.NewRangeFilter(0, -1, nil, [][]common.Hash{{failHash}})
-	require.NoError(t, err)
-
-	logs, _ = filter.Logs(context.Background())
-	if len(logs) != 0 {
-		t.Error("expected 0 log, got", len(logs))
-	}
-
-	failAddr := common.BytesToAddress([]byte("failmenow"))
-	filter, err = sys.NewRangeFilter(0, -1, []common.Address{failAddr}, nil)
-	require.NoError(t, err)
-
-	logs, _ = filter.Logs(context.Background())
-	if len(logs) != 0 {
-		t.Error("expected 0 log, got", len(logs))
+	for i, tc := range []struct {
+		f          *Filter
+		wantHashes []common.Hash
+	}{
+		{
+			mustNewRangeFilter(t, sys, 900, 999, []common.Address{addr}, [][]common.Hash{{hash3}}),
+			[]common.Hash{hash3},
+		}, {
+			mustNewRangeFilter(t, sys, 990, -1, []common.Address{addr}, [][]common.Hash{{hash3}}),
+			[]common.Hash{hash3},
+		}, {
+			mustNewRangeFilter(t, sys, 1, 10, nil, [][]common.Hash{{hash1, hash2}}),
+			[]common.Hash{hash1, hash2},
+		}, {
+			mustNewRangeFilter(t, sys, 0, -1, nil, [][]common.Hash{{common.BytesToHash([]byte("fail"))}}),
+			nil,
+		}, {
+			mustNewRangeFilter(t, sys, 0, -1, []common.Address{common.BytesToAddress([]byte("failmenow"))}, nil),
+			nil,
+		}, {
+			mustNewRangeFilter(t, sys, 0, -1, nil, [][]common.Hash{{common.BytesToHash([]byte("fail"))}, {hash1}}),
+			nil,
+		}, {
+			mustNewRangeFilter(t, sys, -1, -1, nil, nil), []common.Hash{hash4},
+		}, {
+			// Note: modified from go-ethereum since we don't have FinalizedBlock
+			mustNewRangeFilter(t, sys, -3, -1, nil, nil), []common.Hash{hash4},
+		}, {
+			// Note: modified from go-ethereum since we don't have FinalizedBlock
+			mustNewRangeFilter(t, sys, -3, -3, nil, nil), []common.Hash{hash4},
+		}, {
+			// Note: modified from go-ethereum since we don't have FinalizedBlock
+			mustNewRangeFilter(t, sys, -1, -3, nil, nil), []common.Hash{hash4},
+		}, {
+			// Note: modified from go-ethereum since we don't have SafeBlock
+			mustNewRangeFilter(t, sys, -4, -1, nil, nil), []common.Hash{hash4},
+		}, {
+			// Note: modified from go-ethereum since we don't have SafeBlock
+			mustNewRangeFilter(t, sys, -4, -4, nil, nil), []common.Hash{hash4},
+		}, {
+			// Note: modified from go-ethereum since we don't have SafeBlock
+			mustNewRangeFilter(t, sys, -1, -4, nil, nil), []common.Hash{hash4},
+		},
+	} {
+		logs, _ := tc.f.Logs(context.Background())
+		var haveHashes []common.Hash
+		for _, l := range logs {
+			haveHashes = append(haveHashes, l.Topics[0])
+		}
+		if have, want := len(haveHashes), len(tc.wantHashes); have != want {
+			t.Fatalf("test %d, have %d logs, want %d", i, have, want)
+		}
+		if len(haveHashes) == 0 {
+			continue
+		}
+		if !reflect.DeepEqual(tc.wantHashes, haveHashes) {
+			t.Fatalf("test %d, have %v want %v", i, haveHashes, tc.wantHashes)
+		}
 	}
+}
 
-	filter, err = sys.NewRangeFilter(0, -1, nil, [][]common.Hash{{failHash}, {hash1}})
+func mustNewRangeFilter(t *testing.T, sys *FilterSystem, begin, end int64, addresses []common.Address, topics [][]common.Hash) *Filter {
+	t.Helper()
+	f, err := sys.NewRangeFilter(begin, end, addresses, topics)
 	require.NoError(t, err)
-
-	logs, _ = filter.Logs(context.Background())
-	if len(logs) != 0 {
-		t.Error("expected 0 log, got", len(logs))
-	}
+	return f
 }
diff --git a/eth/gasprice/feehistory.go b/eth/gasprice/feehistory.go
index 7c681a1c55..81fb379c7a 100644
--- a/eth/gasprice/feehistory.go
+++ b/eth/gasprice/feehistory.go
@@ -214,8 +214,8 @@ func (oracle *Oracle) FeeHistory(ctx context.Context, blocks uint64, unresolvedL
 
 		i := blockNumber - oldestBlock
 		var sb *slimBlock
-		if sbRaw, ok := oracle.historyCache.Get(blockNumber); ok {
-			sb = sbRaw.(*slimBlock)
+		if sbCache, ok := oracle.historyCache.Get(blockNumber); ok {
+			sb = sbCache
 		} else {
 			block, err := oracle.backend.BlockByNumber(ctx, rpc.BlockNumber(blockNumber))
 			if err != nil {
diff --git a/eth/gasprice/feehistory_test.go b/eth/gasprice/feehistory_test.go
index a4b281112e..478ffd0bc7 100644
--- a/eth/gasprice/feehistory_test.go
+++ b/eth/gasprice/feehistory_test.go
@@ -110,7 +110,7 @@ func TestFeeHistory(t *testing.T) {
 		require.NoError(t, err)
 
 		first, reward, baseFee, ratio, err := oracle.FeeHistory(context.Background(), c.count, c.last, c.percent)
-
+		backend.teardown()
 		expReward := c.expCount
 		if len(c.percent) == 0 {
 			expReward = 0
diff --git a/eth/gasprice/gasprice.go b/eth/gasprice/gasprice.go
index 749f28436b..46ee43d4a1 100644
--- a/eth/gasprice/gasprice.go
+++ b/eth/gasprice/gasprice.go
@@ -42,10 +42,10 @@ import (
 	"github.com/ava-labs/subnet-evm/precompile/contracts/feemanager"
 	"github.com/ava-labs/subnet-evm/rpc"
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/lru"
 	"github.com/ethereum/go-ethereum/common/math"
 	"github.com/ethereum/go-ethereum/event"
 	"github.com/ethereum/go-ethereum/log"
-	lru "github.com/hashicorp/golang-lru"
 )
 
 const (
@@ -128,7 +128,7 @@ type Oracle struct {
 	maxLookbackSeconds      uint64
 	maxCallBlockHistory     uint64
 	maxBlockHistory         int
-	historyCache            *lru.Cache
+	historyCache            *lru.Cache[uint64, *slimBlock]
 	feeInfoProvider         *feeInfoProvider
 }
 
@@ -179,7 +179,7 @@ func NewOracle(backend OracleBackend, config Config) (*Oracle, error) {
 		log.Warn("Sanitizing invalid gasprice oracle max block history", "provided", config.MaxBlockHistory, "updated", maxBlockHistory)
 	}
 
-	cache, _ := lru.New(DefaultFeeHistoryCacheSize)
+	cache := lru.NewCache[uint64, *slimBlock](DefaultFeeHistoryCacheSize)
 	headEvent := make(chan core.ChainHeadEvent, 1)
 	backend.SubscribeChainHeadEvent(headEvent)
 	go func() {
@@ -318,7 +318,7 @@ func (oracle *Oracle) suggestDynamicFees(ctx context.Context) (*big.Int, *big.In
 		feeLastChangedAt *big.Int
 		feeConfig        commontype.FeeConfig
 	)
-	if oracle.backend.ChainConfig().IsPrecompileEnabled(feemanager.ContractAddress, new(big.Int).SetUint64(head.Time)) {
+	if oracle.backend.ChainConfig().IsPrecompileEnabled(feemanager.ContractAddress, head.Time) {
 		feeConfig, feeLastChangedAt, err = oracle.backend.GetFeeConfigAt(head)
 		if err != nil {
 			return nil, nil, err
diff --git a/eth/gasprice/gasprice_test.go b/eth/gasprice/gasprice_test.go
index 45672a53f5..cd5279a76b 100644
--- a/eth/gasprice/gasprice_test.go
+++ b/eth/gasprice/gasprice_test.go
@@ -38,10 +38,10 @@ import (
 	"github.com/ava-labs/subnet-evm/core/rawdb"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/core/vm"
-	"github.com/ava-labs/subnet-evm/ethdb"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ava-labs/subnet-evm/precompile/contracts/feemanager"
 	"github.com/ava-labs/subnet-evm/rpc"
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/event"
@@ -55,21 +55,20 @@ var (
 )
 
 type testBackend struct {
-	db            ethdb.Database
 	chain         *core.BlockChain
 	acceptedEvent chan<- core.ChainEvent
 }
 
 func (b *testBackend) HeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Header, error) {
 	if number == rpc.LatestBlockNumber {
-		return b.chain.CurrentBlock().Header(), nil
+		return b.chain.CurrentBlock(), nil
 	}
 	return b.chain.GetHeaderByNumber(uint64(number)), nil
 }
 
 func (b *testBackend) BlockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error) {
 	if number == rpc.LatestBlockNumber {
-		return b.chain.CurrentBlock(), nil
+		number = rpc.BlockNumber(b.chain.CurrentBlock().Number.Uint64())
 	}
 	return b.chain.GetBlockByNumber(uint64(number)), nil
 }
@@ -95,6 +94,10 @@ func (b *testBackend) GetFeeConfigAt(parent *types.Header) (commontype.FeeConfig
 	return b.chain.GetFeeConfigAt(parent)
 }
 
+func (b *testBackend) teardown() {
+	b.chain.Stop()
+}
+
 func newTestBackendFakerEngine(t *testing.T, config *params.ChainConfig, numBlocks int, genBlocks func(i int, b *core.BlockGen)) *testBackend {
 	var gspec = &core.Genesis{
 		Config: config,
@@ -102,18 +105,15 @@ func newTestBackendFakerEngine(t *testing.T, config *params.ChainConfig, numBloc
 	}
 
 	engine := dummy.NewETHFaker()
-	db := rawdb.NewMemoryDatabase()
-	genesis := gspec.MustCommit(db)
 
 	// Generate testing blocks
-	blocks, _, err := core.GenerateChain(gspec.Config, genesis, engine, db, numBlocks, 0, genBlocks)
+	_, blocks, _, err := core.GenerateChainWithGenesis(gspec, engine, numBlocks, 0, genBlocks)
 	if err != nil {
 		t.Fatal(err)
 	}
 	// Construct testing chain
 	diskdb := rawdb.NewMemoryDatabase()
-	gspec.Commit(diskdb)
-	chain, err := core.NewBlockChain(diskdb, core.DefaultCacheConfig, gspec.Config, engine, vm.Config{}, common.Hash{})
+	chain, err := core.NewBlockChain(diskdb, core.DefaultCacheConfig, gspec, engine, vm.Config{}, common.Hash{}, false)
 	if err != nil {
 		t.Fatalf("Failed to create local chain, %v", err)
 	}
@@ -123,6 +123,8 @@ func newTestBackendFakerEngine(t *testing.T, config *params.ChainConfig, numBloc
 	return &testBackend{chain: chain}
 }
 
+// newTestBackend creates a test backend. OBS: don't forget to invoke tearDown
+// after use, otherwise the blockchain instance will mem-leak via goroutines.
 func newTestBackend(t *testing.T, config *params.ChainConfig, numBlocks int, genBlocks func(i int, b *core.BlockGen)) *testBackend {
 	var gspec = &core.Genesis{
 		Config: config,
@@ -130,25 +132,21 @@ func newTestBackend(t *testing.T, config *params.ChainConfig, numBlocks int, gen
 	}
 
 	engine := dummy.NewFaker()
-	db := rawdb.NewMemoryDatabase()
-	genesis := gspec.MustCommit(db)
 
 	// Generate testing blocks
-	blocks, _, err := core.GenerateChain(gspec.Config, genesis, engine, db, numBlocks, 1, genBlocks)
+	_, blocks, _, err := core.GenerateChainWithGenesis(gspec, engine, numBlocks, 1, genBlocks)
 	if err != nil {
 		t.Fatal(err)
 	}
 	// Construct testing chain
-	diskdb := rawdb.NewMemoryDatabase()
-	gspec.Commit(diskdb)
-	chain, err := core.NewBlockChain(diskdb, core.DefaultCacheConfig, gspec.Config, engine, vm.Config{}, common.Hash{})
+	chain, err := core.NewBlockChain(rawdb.NewMemoryDatabase(), core.DefaultCacheConfig, gspec, engine, vm.Config{}, common.Hash{}, false)
 	if err != nil {
 		t.Fatalf("Failed to create local chain, %v", err)
 	}
 	if _, err := chain.InsertChain(blocks); err != nil {
 		t.Fatalf("Failed to insert chain, %v", err)
 	}
-	return &testBackend{chain: chain, db: db}
+	return &testBackend{chain: chain}
 }
 
 func (b *testBackend) MinRequiredTip(ctx context.Context, header *types.Header) (*big.Int, error) {
@@ -160,7 +158,11 @@ func (b *testBackend) CurrentHeader() *types.Header {
 }
 
 func (b *testBackend) LastAcceptedBlock() *types.Block {
-	return b.chain.CurrentBlock()
+	current := b.chain.CurrentBlock()
+	if current == nil {
+		return nil
+	}
+	return b.chain.GetBlockByNumber(current.Number.Uint64())
 }
 
 func (b *testBackend) GetBlockByNumber(number uint64) *types.Block {
@@ -205,6 +207,7 @@ func applyGasPriceTest(t *testing.T, test suggestTipCapTest, config Config) {
 	oracle.clock.Set(time.Unix(20, 0))
 
 	got, err := oracle.SuggestTipCap(context.Background())
+	backend.teardown()
 	require.NoError(t, err)
 
 	if got.Cmp(test.expectedTip) != 0 {
@@ -325,50 +328,10 @@ func TestSuggestTipCapMinGas(t *testing.T) {
 	}, defaultOracleConfig())
 }
 
-// Regression test to ensure that SuggestPrice does not panic prior to activation of Subnet EVM
-// Note: support for gas estimation without activated hard forks has been deprecated, but we still
-// ensure that the call does not panic.
-func TestSuggestGasPricePreSubnetEVM(t *testing.T) {
-	config := Config{
-		Blocks:     20,
-		Percentile: 60,
-	}
-
-	backend := newTestBackend(t, params.TestPreSubnetEVMConfig, 3, func(i int, b *core.BlockGen) {
-		b.SetCoinbase(common.Address{1})
-
-		signer := types.LatestSigner(params.TestPreSubnetEVMConfig)
-		gasPrice := big.NewInt(params.MinGasPrice)
-		for j := 0; j < 50; j++ {
-			tx := types.NewTx(&types.LegacyTx{
-				Nonce:    b.TxNonce(addr),
-				To:       &common.Address{},
-				Gas:      params.TxGas,
-				GasPrice: gasPrice,
-				Data:     []byte{},
-			})
-			tx, err := types.SignTx(tx, signer, key)
-			if err != nil {
-				t.Fatalf("failed to create tx: %s", err)
-			}
-			b.AddTx(tx)
-		}
-	})
-	oracle, err := NewOracle(backend, config)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	_, err = oracle.SuggestPrice(context.Background())
-	if err != nil {
-		t.Fatal(err)
-	}
-}
-
-// Regression test to ensure that SuggestPrice does not panic prior to activation of SubnetEVM
+// Regression test to ensure that SuggestPrice does not panic with activation of Subnet EVM
 // Note: support for gas estimation without activated hard forks has been deprecated, but we still
 // ensure that the call does not panic.
-func TestSuggestGasPricePreAP3(t *testing.T) {
+func TestSuggestGasPriceSubnetEVM(t *testing.T) {
 	config := Config{
 		Blocks:     20,
 		Percentile: 60,
@@ -388,21 +351,17 @@ func TestSuggestGasPricePreAP3(t *testing.T) {
 				Data:     []byte{},
 			})
 			tx, err := types.SignTx(tx, signer, key)
-			if err != nil {
-				t.Fatalf("failed to create tx: %s", err)
-			}
+			require.NoError(t, err, "failed to create tx")
 			b.AddTx(tx)
 		}
 	})
+	defer backend.teardown()
+
 	oracle, err := NewOracle(backend, config)
-	if err != nil {
-		t.Fatal(err)
-	}
+	require.NoError(t, err)
 
 	_, err = oracle.SuggestPrice(context.Background())
-	if err != nil {
-		t.Fatal(err)
-	}
+	require.NoError(t, err)
 }
 
 func TestSuggestTipCapMaxBlocksLookback(t *testing.T) {
@@ -435,7 +394,7 @@ func TestSuggestGasPriceAfterFeeConfigUpdate(t *testing.T) {
 	// create a chain config with fee manager enabled at genesis with [addr] as the admin
 	chainConfig := *params.TestChainConfig
 	chainConfig.GenesisPrecompiles = params.Precompiles{
-		feemanager.ConfigKey: feemanager.NewConfig(big.NewInt(0), []common.Address{addr}, nil, nil),
+		feemanager.ConfigKey: feemanager.NewConfig(utils.NewUint64(0), []common.Address{addr}, nil, nil),
 	}
 
 	// create a fee config with higher MinBaseFee and prepare it for inclusion in a tx
@@ -448,6 +407,7 @@ func TestSuggestGasPriceAfterFeeConfigUpdate(t *testing.T) {
 	// before issuing the block changing the fee into the chain, the fee estimation should
 	// follow the fee config in genesis.
 	backend := newTestBackend(t, &chainConfig, 0, func(i int, b *core.BlockGen) {})
+	defer backend.teardown()
 	oracle, err := NewOracle(backend, config)
 	require.NoError(err)
 	got, err := oracle.SuggestPrice(context.Background())
@@ -457,7 +417,8 @@ func TestSuggestGasPriceAfterFeeConfigUpdate(t *testing.T) {
 	// issue the block with tx that changes the fee
 	genesis := backend.chain.Genesis()
 	engine := backend.chain.Engine()
-	blocks, _, err := core.GenerateChain(&chainConfig, genesis, engine, backend.db, 1, 0, func(i int, b *core.BlockGen) {
+	db := backend.chain.StateCache().DiskDB()
+	blocks, _, err := core.GenerateChain(&chainConfig, genesis, engine, db, 1, 0, func(i int, b *core.BlockGen) {
 		b.SetCoinbase(common.Address{1})
 
 		// admin issues tx to change fee config to higher MinBaseFee
diff --git a/eth/state_accessor.go b/eth/state_accessor.go
index b55cc3fce0..85fe2db40d 100644
--- a/eth/state_accessor.go
+++ b/eth/state_accessor.go
@@ -27,49 +27,69 @@
 package eth
 
 import (
+	"context"
 	"errors"
 	"fmt"
-	"math/big"
 	"time"
 
 	"github.com/ava-labs/subnet-evm/core"
 	"github.com/ava-labs/subnet-evm/core/state"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/core/vm"
+	"github.com/ava-labs/subnet-evm/eth/tracers"
 	"github.com/ava-labs/subnet-evm/trie"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/log"
 )
 
+// noopReleaser is returned in case there is no operation expected
+// for releasing state.
+var noopReleaser = tracers.StateReleaseFunc(func() {})
+
 // StateAtBlock retrieves the state database associated with a certain block.
 // If no state is locally available for the given block, a number of blocks
 // are attempted to be reexecuted to generate the desired state. The optional
-// base layer statedb can be passed then it's regarded as the statedb of the
+// base layer statedb can be provided which is regarded as the statedb of the
 // parent block.
+//
+// An additional release function will be returned if the requested state is
+// available. Release is expected to be invoked when the returned state is no longer needed.
+// Its purpose is to prevent resource leaking. Though it can be noop in some cases.
+//
 // Parameters:
-//   - block: The block for which we want the state (== state at the stateRoot of the parent)
-//   - reexec: The maximum number of blocks to reprocess trying to obtain the desired state
-//   - base: If the caller is tracing multiple blocks, the caller can provide the parent state
-//     continuously from the callsite.
-//   - checklive: if true, then the live 'blockchain' state database is used. If the caller want to
-//     perform Commit or other 'save-to-disk' changes, this should be set to false to avoid
-//     storing trash persistently
-//   - preferDisk: this arg can be used by the caller to signal that even though the 'base' is provided,
-//     it would be preferable to start from a fresh state, if we have it on disk.
-func (eth *Ethereum) StateAtBlock(block *types.Block, reexec uint64, base *state.StateDB, checkLive bool, preferDisk bool) (statedb *state.StateDB, err error) {
+//   - block:      The block for which we want the state(state = block.Root)
+//   - reexec:     The maximum number of blocks to reprocess trying to obtain the desired state
+//   - base:       If the caller is tracing multiple blocks, the caller can provide the parent
+//     state continuously from the callsite.
+//   - readOnly:   If true, then the live 'blockchain' state database is used. No mutation should
+//     be made from caller, e.g. perform Commit or other 'save-to-disk' changes.
+//     Otherwise, the trash generated by caller may be persisted permanently.
+//   - preferDisk: this arg can be used by the caller to signal that even though the 'base' is
+//     provided, it would be preferable to start from a fresh state, if we have it
+//     on disk.
+func (eth *Ethereum) StateAtBlock(ctx context.Context, block *types.Block, reexec uint64, base *state.StateDB, readOnly bool, preferDisk bool) (statedb *state.StateDB, release tracers.StateReleaseFunc, err error) {
 	var (
 		current  *types.Block
 		database state.Database
 		report   = true
 		origin   = block.NumberU64()
 	)
-	// Check the live database first if we have the state fully available, use that.
-	if checkLive {
-		statedb, err = eth.blockchain.StateAt(block.Root())
-		if err == nil {
-			return statedb, nil
+	// The state is only for reading purposes, check the state presence in
+	// live database.
+	if readOnly {
+		// The state is available in live database, create a reference
+		// on top to prevent garbage collection and return a release
+		// function to deref it.
+		if statedb, err = eth.blockchain.StateAt(block.Root()); err == nil {
+			statedb.Database().TrieDB().Reference(block.Root(), common.Hash{})
+			return statedb, func() {
+				statedb.Database().TrieDB().Dereference(block.Root())
+			}, nil
 		}
 	}
+	// The state is both for reading and writing, or it's unavailable in disk,
+	// try to construct/recover the state over an ephemeral trie.Database for
+	// isolating the live one.
 	if base != nil {
 		if preferDisk {
 			// Create an ephemeral trie.Database for isolating the live one. Otherwise
@@ -77,37 +97,40 @@ func (eth *Ethereum) StateAtBlock(block *types.Block, reexec uint64, base *state
 			database = state.NewDatabaseWithConfig(eth.chainDb, &trie.Config{Cache: 16})
 			if statedb, err = state.New(block.Root(), database, nil); err == nil {
 				log.Info("Found disk backend for state trie", "root", block.Root(), "number", block.Number())
-				return statedb, nil
+				return statedb, noopReleaser, nil
 			}
 		}
 		// The optional base statedb is given, mark the start point as parent block
 		statedb, database, report = base, base.Database(), false
 		current = eth.blockchain.GetBlock(block.ParentHash(), block.NumberU64()-1)
 	} else {
-		// Otherwise try to reexec blocks until we find a state or reach our limit
+		// Otherwise, try to reexec blocks until we find a state or reach our limit
 		current = block
 
 		// Create an ephemeral trie.Database for isolating the live one. Otherwise
 		// the internal junks created by tracing will be persisted into the disk.
 		database = state.NewDatabaseWithConfig(eth.chainDb, &trie.Config{Cache: 16})
 
-		// If we didn't check the dirty database, do check the clean one, otherwise
-		// we would rewind past a persisted block (specific corner case is chain
-		// tracing from the genesis).
-		if !checkLive {
+		// If we didn't check the live database, do check state over ephemeral database,
+		// otherwise we would rewind past a persisted block (specific corner case is
+		// chain tracing from the genesis).
+		if !readOnly {
 			statedb, err = state.New(current.Root(), database, nil)
 			if err == nil {
-				return statedb, nil
+				return statedb, noopReleaser, nil
 			}
 		}
 		// Database does not have the state for the given block, try to regenerate
 		for i := uint64(0); i < reexec; i++ {
+			if err := ctx.Err(); err != nil {
+				return nil, nil, err
+			}
 			if current.NumberU64() == 0 {
-				return nil, errors.New("genesis state is missing")
+				return nil, nil, errors.New("genesis state is missing")
 			}
 			parent := eth.blockchain.GetBlock(current.ParentHash(), current.NumberU64()-1)
 			if parent == nil {
-				return nil, fmt.Errorf("missing block %v %d", current.ParentHash(), current.NumberU64()-1)
+				return nil, nil, fmt.Errorf("missing block %v %d", current.ParentHash(), current.NumberU64()-1)
 			}
 			current = parent
 
@@ -119,19 +142,23 @@ func (eth *Ethereum) StateAtBlock(block *types.Block, reexec uint64, base *state
 		if err != nil {
 			switch err.(type) {
 			case *trie.MissingNodeError:
-				return nil, fmt.Errorf("required historical state unavailable (reexec=%d)", reexec)
+				return nil, nil, fmt.Errorf("required historical state unavailable (reexec=%d)", reexec)
 			default:
-				return nil, err
+				return nil, nil, err
 			}
 		}
 	}
-	// State was available at historical point, regenerate
+	// State is available at historical point, re-execute the blocks on top for
+	// the desired state.
 	var (
 		start  = time.Now()
 		logged time.Time
 		parent common.Hash
 	)
 	for current.NumberU64() < origin {
+		if err := ctx.Err(); err != nil {
+			return nil, nil, err
+		}
 		// Print progress logs if long enough time elapsed
 		if time.Since(logged) > 8*time.Second && report {
 			log.Info("Regenerating historical state", "block", current.NumberU64()+1, "target", origin, "remaining", origin-current.NumberU64()-1, "elapsed", time.Since(start))
@@ -141,22 +168,24 @@ func (eth *Ethereum) StateAtBlock(block *types.Block, reexec uint64, base *state
 		parentHeader := current.Header()
 		next := current.NumberU64() + 1
 		if current = eth.blockchain.GetBlockByNumber(next); current == nil {
-			return nil, fmt.Errorf("block #%d not found", next)
+			return nil, nil, fmt.Errorf("block #%d not found", next)
 		}
 		_, _, _, err := eth.blockchain.Processor().Process(current, parentHeader, statedb, vm.Config{})
 		if err != nil {
-			return nil, fmt.Errorf("processing block %d failed: %v", current.NumberU64(), err)
+			return nil, nil, fmt.Errorf("processing block %d failed: %v", current.NumberU64(), err)
 		}
 		// Finalize the state so any modifications are written to the trie
 		root, err := statedb.Commit(eth.blockchain.Config().IsEIP158(current.Number()), true)
 		if err != nil {
-			return nil, fmt.Errorf("stateAtBlock commit failed, number %d root %v: %w",
+			return nil, nil, fmt.Errorf("stateAtBlock commit failed, number %d root %v: %w",
 				current.NumberU64(), current.Root().Hex(), err)
 		}
 		statedb, err = state.New(root, database, nil)
 		if err != nil {
-			return nil, fmt.Errorf("state reset after block %d failed: %v", current.NumberU64(), err)
+			return nil, nil, fmt.Errorf("state reset after block %d failed: %v", current.NumberU64(), err)
 		}
+		// Note: In coreth, the state reference is held by passing true to [statedb.Commit].
+		// Drop the parent state to prevent accumulating too many nodes in memory.
 		if parent != (common.Hash{}) {
 			database.TrieDB().Dereference(parent)
 		}
@@ -166,48 +195,48 @@ func (eth *Ethereum) StateAtBlock(block *types.Block, reexec uint64, base *state
 		nodes, imgs := database.TrieDB().Size()
 		log.Info("Historical state regenerated", "block", current.NumberU64(), "elapsed", time.Since(start), "nodes", nodes, "preimages", imgs)
 	}
-	return statedb, nil
+	return statedb, func() { database.TrieDB().Dereference(block.Root()) }, nil
 }
 
 // stateAtTransaction returns the execution environment of a certain transaction.
-func (eth *Ethereum) stateAtTransaction(block *types.Block, txIndex int, reexec uint64) (core.Message, vm.BlockContext, *state.StateDB, error) {
+func (eth *Ethereum) stateAtTransaction(ctx context.Context, block *types.Block, txIndex int, reexec uint64) (*core.Message, vm.BlockContext, *state.StateDB, tracers.StateReleaseFunc, error) {
 	// Short circuit if it's genesis block.
 	if block.NumberU64() == 0 {
-		return nil, vm.BlockContext{}, nil, errors.New("no transaction in genesis")
+		return nil, vm.BlockContext{}, nil, nil, errors.New("no transaction in genesis")
 	}
 	// Create the parent state database
 	parent := eth.blockchain.GetBlock(block.ParentHash(), block.NumberU64()-1)
 	if parent == nil {
-		return nil, vm.BlockContext{}, nil, fmt.Errorf("parent %#x not found", block.ParentHash())
+		return nil, vm.BlockContext{}, nil, nil, fmt.Errorf("parent %#x not found", block.ParentHash())
 	}
 	// Lookup the statedb of parent block from the live database,
 	// otherwise regenerate it on the flight.
-	statedb, err := eth.StateAtBlock(parent, reexec, nil, true, false)
+	statedb, release, err := eth.StateAtBlock(ctx, parent, reexec, nil, true, false)
 	if err != nil {
-		return nil, vm.BlockContext{}, nil, err
+		return nil, vm.BlockContext{}, nil, nil, err
 	}
 	if txIndex == 0 && len(block.Transactions()) == 0 {
-		return nil, vm.BlockContext{}, statedb, nil
+		return nil, vm.BlockContext{}, statedb, release, nil
 	}
 	// Recompute transactions up to the target index.
-	signer := types.MakeSigner(eth.blockchain.Config(), block.Number(), new(big.Int).SetUint64(block.Time()))
+	signer := types.MakeSigner(eth.blockchain.Config(), block.Number(), block.Time())
 	for idx, tx := range block.Transactions() {
 		// Assemble the transaction call message and return if the requested offset
-		msg, _ := tx.AsMessage(signer, block.BaseFee())
+		msg, _ := core.TransactionToMessage(tx, signer, block.BaseFee())
 		txContext := core.NewEVMTxContext(msg)
 		context := core.NewEVMBlockContext(block.Header(), eth.blockchain, nil)
 		if idx == txIndex {
-			return msg, context, statedb, nil
+			return msg, context, statedb, release, nil
 		}
 		// Not yet the searched for transaction, execute on top of the current state
 		vmenv := vm.NewEVM(context, txContext, statedb, eth.blockchain.Config(), vm.Config{})
-		statedb.Prepare(tx.Hash(), idx)
+		statedb.SetTxContext(tx.Hash(), idx)
 		if _, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(tx.Gas())); err != nil {
-			return nil, vm.BlockContext{}, nil, fmt.Errorf("transaction %#x failed: %v", tx.Hash(), err)
+			return nil, vm.BlockContext{}, nil, nil, fmt.Errorf("transaction %#x failed: %v", tx.Hash(), err)
 		}
 		// Ensure any modifications are committed to the state
 		// Only delete empty objects if EIP158/161 (a.k.a Spurious Dragon) is in effect
 		statedb.Finalise(vmenv.ChainConfig().IsEIP158(block.Number()))
 	}
-	return nil, vm.BlockContext{}, nil, fmt.Errorf("transaction index %d out of range for block %#x", txIndex, block.Hash())
+	return nil, vm.BlockContext{}, nil, nil, fmt.Errorf("transaction index %d out of range for block %#x", txIndex, block.Hash())
 }
diff --git a/eth/tracers/api.go b/eth/tracers/api.go
index 7f7eb70fc3..f6e4e439d1 100644
--- a/eth/tracers/api.go
+++ b/eth/tracers/api.go
@@ -27,12 +27,13 @@
 package tracers
 
 import (
+	"bufio"
 	"bytes"
 	"context"
 	"encoding/json"
 	"errors"
 	"fmt"
-	"math/big"
+	"os"
 	"runtime"
 	"sync"
 	"time"
@@ -69,8 +70,19 @@ const (
 	// For non-archive nodes, this limit _will_ be overblown, as disk-backed tries
 	// will only be found every ~15K blocks or so.
 	defaultTracechainMemLimit = common.StorageSize(500 * 1024 * 1024)
+
+	// maximumPendingTraceStates is the maximum number of states allowed waiting
+	// for tracing. The creation of trace state will be paused if the unused
+	// trace states exceed this limit.
+	maximumPendingTraceStates = 128
 )
 
+var errTxNotFound = errors.New("transaction not found")
+
+// StateReleaseFunc is used to deallocate resources held by constructing a
+// historical state for tracing purposes.
+type StateReleaseFunc func()
+
 // Backend interface provides the common API services (that are provided by
 // both full and light clients) with access to necessary functions.
 type Backend interface {
@@ -84,22 +96,39 @@ type Backend interface {
 	ChainConfig() *params.ChainConfig
 	Engine() consensus.Engine
 	ChainDb() ethdb.Database
-	StateAtBlock(ctx context.Context, block *types.Block, reexec uint64, base *state.StateDB, checkLive bool, preferDisk bool) (*state.StateDB, error)
-	StateAtTransaction(ctx context.Context, block *types.Block, txIndex int, reexec uint64) (core.Message, vm.BlockContext, *state.StateDB, error)
+	StateAtBlock(ctx context.Context, block *types.Block, reexec uint64, base *state.StateDB, readOnly bool, preferDisk bool) (*state.StateDB, StateReleaseFunc, error)
+	StateAtTransaction(ctx context.Context, block *types.Block, txIndex int, reexec uint64) (*core.Message, vm.BlockContext, *state.StateDB, StateReleaseFunc, error)
+}
+
+// baseAPI holds the collection of common methods for API and FileTracerAPI.
+type baseAPI struct {
+	backend Backend
 }
 
 // API is the collection of tracing APIs exposed over the private debugging endpoint.
 type API struct {
-	backend Backend
+	baseAPI
 }
 
 // NewAPI creates a new API definition for the tracing methods of the Ethereum service.
 func NewAPI(backend Backend) *API {
-	return &API{backend: backend}
+	return &API{baseAPI{backend: backend}}
+}
+
+// FileTracerAPI is the collection of additional tracing APIs exposed over the private
+// debugging endpoint that log their output to a file.
+type FileTracerAPI struct {
+	baseAPI
+}
+
+// NewFileTracerAPI creates a new API definition for the tracing methods of the Ethererum
+// service that log their output to a file.
+func NewFileTracerAPI(backend Backend) *FileTracerAPI {
+	return &FileTracerAPI{baseAPI{backend: backend}}
 }
 
 type chainContext struct {
-	api *API
+	api *baseAPI
 	ctx context.Context
 }
 
@@ -124,13 +153,13 @@ func (context *chainContext) GetHeader(hash common.Hash, number uint64) *types.H
 
 // chainContext constructs the context reader which is used by the evm for reading
 // the necessary chain context.
-func (api *API) chainContext(ctx context.Context) core.ChainContext {
+func (api *baseAPI) chainContext(ctx context.Context) core.ChainContext {
 	return &chainContext{api: api, ctx: ctx}
 }
 
 // blockByNumber is the wrapper of the chain access function offered by the backend.
 // It will return an error if the block is not found.
-func (api *API) blockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error) {
+func (api *baseAPI) blockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error) {
 	block, err := api.backend.BlockByNumber(ctx, number)
 	if err != nil {
 		return nil, err
@@ -143,7 +172,7 @@ func (api *API) blockByNumber(ctx context.Context, number rpc.BlockNumber) (*typ
 
 // blockByHash is the wrapper of the chain access function offered by the backend.
 // It will return an error if the block is not found.
-func (api *API) blockByHash(ctx context.Context, hash common.Hash) (*types.Block, error) {
+func (api *baseAPI) blockByHash(ctx context.Context, hash common.Hash) (*types.Block, error) {
 	block, err := api.backend.BlockByHash(ctx, hash)
 	if err != nil {
 		return nil, err
@@ -159,7 +188,7 @@ func (api *API) blockByHash(ctx context.Context, hash common.Hash) (*types.Block
 //
 // Note this function is friendly for the light client which can only retrieve the
 // historical(before the CHT) header/block by number.
-func (api *API) blockByNumberAndHash(ctx context.Context, number rpc.BlockNumber, hash common.Hash) (*types.Block, error) {
+func (api *baseAPI) blockByNumberAndHash(ctx context.Context, number rpc.BlockNumber, hash common.Hash) (*types.Block, error) {
 	block, err := api.blockByNumber(ctx, number)
 	if err != nil {
 		return nil, err
@@ -211,7 +240,7 @@ func (t *txTraceResult) String() string {
 type blockTraceTask struct {
 	statedb *state.StateDB   // Intermediate state prepped for tracing
 	block   *types.Block     // Block to trace the transactions from
-	rootref common.Hash      // Trie root reference held for this task
+	release StateReleaseFunc // The function to release the held resource for this task
 	results []*txTraceResult // Trace results procudes by the task
 }
 
@@ -244,13 +273,6 @@ func (api *API) TraceChain(ctx context.Context, start, end rpc.BlockNumber, conf
 	if from.Number().Cmp(to.Number()) >= 0 {
 		return nil, fmt.Errorf("end block (#%d) needs to come after start block (#%d)", end, start)
 	}
-	return api.traceChain(ctx, from, to, config)
-}
-
-// traceChain configures a new tracer according to the provided configuration, and
-// executes all the transactions contained within. The return value will be one item
-// per transaction, dependent on the requested tracer.
-func (api *API) traceChain(ctx context.Context, start, end *types.Block, config *TraceConfig) (*rpc.Subscription, error) {
 	// Tracing a chain is a **long** operation, only do with subscriptions
 	notifier, supported := rpc.NotifierFromContext(ctx)
 	if !supported {
@@ -258,8 +280,21 @@ func (api *API) traceChain(ctx context.Context, start, end *types.Block, config
 	}
 	sub := notifier.CreateSubscription()
 
-	// Prepare all the states for tracing. Note this procedure can take very
-	// long time. Timeout mechanism is necessary.
+	resCh := api.traceChain(from, to, config, notifier.Closed())
+	go func() {
+		for result := range resCh {
+			notifier.Notify(sub.ID, result)
+		}
+	}()
+	return sub, nil
+}
+
+// traceChain configures a new tracer according to the provided configuration, and
+// executes all the transactions contained within. The tracing chain range includes
+// the end block but excludes the start one. The return value will be one item per
+// transaction, dependent on the requested tracer.
+// The tracing procedure should be aborted in case the closed signal is received.
+func (api *API) traceChain(start, end *types.Block, config *TraceConfig, closed <-chan interface{}) chan *blockTraceResult {
 	reexec := defaultTraceReexec
 	if config != nil && config.Reexec != nil {
 		reexec = *config.Reexec
@@ -270,29 +305,33 @@ func (api *API) traceChain(ctx context.Context, start, end *types.Block, config
 		threads = blocks
 	}
 	var (
-		pend     = new(sync.WaitGroup)
-		tasks    = make(chan *blockTraceTask, threads)
-		results  = make(chan *blockTraceTask, threads)
-		localctx = context.Background()
+		pend    = new(sync.WaitGroup)
+		ctx     = context.Background()
+		taskCh  = make(chan *blockTraceTask, threads)
+		resCh   = make(chan *blockTraceTask, threads)
+		tracker = newStateTracker(maximumPendingTraceStates, start.NumberU64())
 	)
 	for th := 0; th < threads; th++ {
 		pend.Add(1)
 		go func() {
 			defer pend.Done()
 
-			// Fetch and execute the next block trace tasks
-			for task := range tasks {
-				signer := types.MakeSigner(api.backend.ChainConfig(), task.block.Number(), new(big.Int).SetUint64(task.block.Time()))
-				blockCtx := core.NewEVMBlockContext(task.block.Header(), api.chainContext(localctx), nil)
+			// Fetch and execute the block trace taskCh
+			for task := range taskCh {
+				var (
+					signer   = types.MakeSigner(api.backend.ChainConfig(), task.block.Number(), task.block.Time())
+					blockCtx = core.NewEVMBlockContext(task.block.Header(), api.chainContext(ctx), nil)
+				)
 				// Trace all the transactions contained within
 				for i, tx := range task.block.Transactions() {
-					msg, _ := tx.AsMessage(signer, task.block.BaseFee())
+					msg, _ := core.TransactionToMessage(tx, signer, task.block.BaseFee())
 					txctx := &Context{
-						BlockHash: task.block.Hash(),
-						TxIndex:   i,
-						TxHash:    tx.Hash(),
+						BlockHash:   task.block.Hash(),
+						BlockNumber: task.block.Number(),
+						TxIndex:     i,
+						TxHash:      tx.Hash(),
 					}
-					res, err := api.traceTx(localctx, msg, txctx, blockCtx, task.statedb, config)
+					res, err := api.traceTx(ctx, msg, txctx, blockCtx, task.statedb, config)
 					if err != nil {
 						task.results[i] = &txTraceResult{Error: err.Error()}
 						log.Warn("Tracing failed", "hash", tx.Hash(), "block", task.block.NumberU64(), "err", err)
@@ -302,36 +341,40 @@ func (api *API) traceChain(ctx context.Context, start, end *types.Block, config
 					task.statedb.Finalise(api.backend.ChainConfig().IsEIP158(task.block.Number()))
 					task.results[i] = &txTraceResult{Result: res}
 				}
-				// Stream the result back to the user or abort on teardown
+				// Tracing state is used up, queue it for de-referencing. Note the
+				// state is the parent state of trace block, use block.number-1 as
+				// the state number.
+				tracker.releaseState(task.block.NumberU64()-1, task.release)
+
+				// Stream the result back to the result catcher or abort on teardown
 				select {
-				case results <- task:
-				case <-notifier.Closed():
+				case resCh <- task:
+				case <-closed:
 					return
 				}
 			}
 		}()
 	}
 	// Start a goroutine to feed all the blocks into the tracers
-	var (
-		begin     = time.Now()
-		derefTodo []common.Hash // list of hashes to dereference from the db
-		derefsMu  sync.Mutex    // mutex for the derefs
-	)
-
 	go func() {
 		var (
 			logged  time.Time
+			begin   = time.Now()
 			number  uint64
 			traced  uint64
 			failed  error
-			parent  common.Hash
 			statedb *state.StateDB
+			release StateReleaseFunc
 		)
 		// Ensure everything is properly cleaned up on any exit path
 		defer func() {
-			close(tasks)
+			close(taskCh)
 			pend.Wait()
 
+			// Clean out any pending release functions of trace states.
+			tracker.callReleases()
+
+			// Log the chain result
 			switch {
 			case failed != nil:
 				log.Warn("Chain tracing failed", "start", start.NumberU64(), "end", end.NumberU64(), "transactions", traced, "elapsed", time.Since(begin), "err", failed)
@@ -340,105 +383,104 @@ func (api *API) traceChain(ctx context.Context, start, end *types.Block, config
 			default:
 				log.Info("Chain tracing finished", "start", start.NumberU64(), "end", end.NumberU64(), "transactions", traced, "elapsed", time.Since(begin))
 			}
-			close(results)
+			close(resCh)
 		}()
-		var preferDisk bool
 		// Feed all the blocks both into the tracer, as well as fast process concurrently
 		for number = start.NumberU64(); number < end.NumberU64(); number++ {
 			// Stop tracing if interruption was requested
 			select {
-			case <-notifier.Closed():
+			case <-closed:
 				return
 			default:
 			}
-			// clean out any derefs
-			derefsMu.Lock()
-			for _, h := range derefTodo {
-				statedb.Database().TrieDB().Dereference(h)
-			}
-			derefTodo = derefTodo[:0]
-			derefsMu.Unlock()
-
 			// Print progress logs if long enough time elapsed
 			if time.Since(logged) > 8*time.Second {
 				logged = time.Now()
 				log.Info("Tracing chain segment", "start", start.NumberU64(), "end", end.NumberU64(), "current", number, "transactions", traced, "elapsed", time.Since(begin))
 			}
-			// Retrieve the parent state to trace on top
-			block, err := api.blockByNumber(localctx, rpc.BlockNumber(number))
+			// Retrieve the parent block and target block for tracing.
+			block, err := api.blockByNumber(ctx, rpc.BlockNumber(number))
 			if err != nil {
 				failed = err
 				break
 			}
-			// Prepare the statedb for tracing. Don't use the live database for
-			// tracing to avoid persisting state junks into the database.
-			statedb, err = api.backend.StateAtBlock(localctx, block, reexec, statedb, false, preferDisk)
+			next, err := api.blockByNumber(ctx, rpc.BlockNumber(number+1))
 			if err != nil {
 				failed = err
 				break
 			}
-			if trieDb := statedb.Database().TrieDB(); trieDb != nil {
-				// Hold the reference for tracer, will be released at the final stage
-				trieDb.Reference(block.Root(), common.Hash{})
-
-				// Release the parent state because it's already held by the tracer
-				if parent != (common.Hash{}) {
-					trieDb.Dereference(parent)
-				}
-				// Prefer disk if the trie db memory grows too much
-				s1, s2 := trieDb.Size()
-				if !preferDisk && (s1+s2) > defaultTracechainMemLimit {
-					log.Info("Switching to prefer-disk mode for tracing", "size", s1+s2)
-					preferDisk = true
-				}
+			// Make sure the state creator doesn't go too far. Too many unprocessed
+			// trace state may cause the oldest state to become stale(e.g. in
+			// path-based scheme).
+			if err = tracker.wait(number); err != nil {
+				failed = err
+				break
 			}
-			parent = block.Root()
-
-			next, err := api.blockByNumber(localctx, rpc.BlockNumber(number+1))
+			// Prepare the statedb for tracing. Don't use the live database for
+			// tracing to avoid persisting state junks into the database. Switch
+			// over to `preferDisk` mode only if the memory usage exceeds the
+			// limit, the trie database will be reconstructed from scratch only
+			// if the relevant state is available in disk.
+			var preferDisk bool
+			if statedb != nil {
+				s1, s2 := statedb.Database().TrieDB().Size()
+				preferDisk = s1+s2 > defaultTracechainMemLimit
+			}
+			statedb, release, err = api.backend.StateAtBlock(ctx, block, reexec, statedb, false, preferDisk)
 			if err != nil {
 				failed = err
 				break
 			}
+			// Clean out any pending release functions of trace state. Note this
+			// step must be done after constructing tracing state, because the
+			// tracing state of block next depends on the parent state and construction
+			// may fail if we release too early.
+			tracker.callReleases()
+
 			// Send the block over to the concurrent tracers (if not in the fast-forward phase)
 			txs := next.Transactions()
 			select {
-			case tasks <- &blockTraceTask{statedb: statedb.Copy(), block: next, rootref: block.Root(), results: make([]*txTraceResult, len(txs))}:
-			case <-notifier.Closed():
+			case taskCh <- &blockTraceTask{statedb: statedb.Copy(), block: next, release: release, results: make([]*txTraceResult, len(txs))}:
+			case <-closed:
+				tracker.releaseState(number, release)
 				return
 			}
 			traced += uint64(len(txs))
 		}
 	}()
 
-	// Keep reading the trace results and stream the to the user
+	// Keep reading the trace results and stream them to result channel.
+	retCh := make(chan *blockTraceResult)
 	go func() {
+		defer close(retCh)
 		var (
-			done = make(map[uint64]*blockTraceResult)
 			next = start.NumberU64() + 1
+			done = make(map[uint64]*blockTraceResult)
 		)
-		for res := range results {
+		for res := range resCh {
 			// Queue up next received result
 			result := &blockTraceResult{
 				Block:  hexutil.Uint64(res.block.NumberU64()),
 				Hash:   res.block.Hash(),
 				Traces: res.results,
 			}
-			// Schedule any parent tries held in memory by this task for dereferencing
 			done[uint64(result.Block)] = result
-			derefsMu.Lock()
-			derefTodo = append(derefTodo, res.rootref)
-			derefsMu.Unlock()
-			// Stream completed traces to the user, aborting on the first error
+
+			// Stream completed traces to the result channel
 			for result, ok := done[next]; ok; result, ok = done[next] {
 				if len(result.Traces) > 0 || next == end.NumberU64() {
-					notifier.Notify(sub.ID, result)
+					// It will be blocked in case the channel consumer doesn't take the
+					// tracing result in time(e.g. the websocket connect is not stable)
+					// which will eventually block the entire chain tracer. It's the
+					// expected behavior to not waste node resources for a non-active user.
+					retCh <- result
 				}
 				delete(done, next)
 				next++
 			}
 		}
 	}()
-	return sub, nil
+	return retCh
 }
 
 // TraceBlockByNumber returns the structured logs created during the execution of
@@ -463,7 +505,7 @@ func (api *API) TraceBlockByHash(ctx context.Context, hash common.Hash, config *
 
 // TraceBlock returns the structured logs created during the execution of EVM
 // and returns them as a JSON object.
-func (api *API) TraceBlock(ctx context.Context, blob hexutil.Bytes, config *TraceConfig) ([]*txTraceResult, error) {
+func (api *baseAPI) TraceBlock(ctx context.Context, blob hexutil.Bytes, config *TraceConfig) ([]*txTraceResult, error) {
 	block := new(types.Block)
 	if err := rlp.Decode(bytes.NewReader(blob), block); err != nil {
 		return nil, fmt.Errorf("could not decode block: %v", err)
@@ -471,6 +513,16 @@ func (api *API) TraceBlock(ctx context.Context, blob hexutil.Bytes, config *Trac
 	return api.traceBlock(ctx, block, config)
 }
 
+// TraceBlockFromFile returns the structured logs created during the execution of
+// EVM and returns them as a JSON object.
+func (api *FileTracerAPI) TraceBlockFromFile(ctx context.Context, file string, config *TraceConfig) ([]*txTraceResult, error) {
+	blob, err := os.ReadFile(file)
+	if err != nil {
+		return nil, fmt.Errorf("could not read file: %v", err)
+	}
+	return api.TraceBlock(ctx, blob, config)
+}
+
 // TraceBadBlock returns the structured logs created during the execution of
 // EVM against a block pulled from the pool of bad ones and returns them as a JSON
 // object.
@@ -492,6 +544,17 @@ func (api *API) TraceBadBlock(ctx context.Context, hash common.Hash, config *Tra
 	return api.traceBlock(ctx, block, config)
 }
 
+// StandardTraceBlockToFile dumps the structured logs created during the
+// execution of EVM to the local file system and returns a list of files
+// to the caller.
+func (api *FileTracerAPI) StandardTraceBlockToFile(ctx context.Context, hash common.Hash, config *StdTraceConfig) ([]string, error) {
+	block, err := api.blockByHash(ctx, hash)
+	if err != nil {
+		return nil, err
+	}
+	return api.standardTraceBlockToFile(ctx, block, config)
+}
+
 // IntermediateRoots executes a block (bad- or canon- or side-), and returns a list
 // of intermediate roots: the stateroot after each transaction.
 func (api *API) IntermediateRoots(ctx context.Context, hash common.Hash, config *TraceConfig) ([]common.Hash, error) {
@@ -510,25 +573,30 @@ func (api *API) IntermediateRoots(ctx context.Context, hash common.Hash, config
 	if config != nil && config.Reexec != nil {
 		reexec = *config.Reexec
 	}
-	statedb, err := api.backend.StateAtBlock(ctx, parent, reexec, nil, true, false)
+	statedb, release, err := api.backend.StateAtBlock(ctx, parent, reexec, nil, true, false)
 	if err != nil {
 		return nil, err
 	}
+	defer release()
+
 	var (
 		roots              []common.Hash
-		signer             = types.MakeSigner(api.backend.ChainConfig(), block.Number(), new(big.Int).SetUint64(block.Time()))
+		signer             = types.MakeSigner(api.backend.ChainConfig(), block.Number(), block.Time())
 		chainConfig        = api.backend.ChainConfig()
 		vmctx              = core.NewEVMBlockContext(block.Header(), api.chainContext(ctx), nil)
 		deleteEmptyObjects = chainConfig.IsEIP158(block.Number())
 	)
 	for i, tx := range block.Transactions() {
+		if err := ctx.Err(); err != nil {
+			return nil, err
+		}
 		var (
-			msg, _    = tx.AsMessage(signer, block.BaseFee())
+			msg, _    = core.TransactionToMessage(tx, signer, block.BaseFee())
 			txContext = core.NewEVMTxContext(msg)
 			vmenv     = vm.NewEVM(vmctx, txContext, statedb, chainConfig, vm.Config{})
 		)
-		statedb.Prepare(tx.Hash(), i)
-		if _, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(msg.Gas())); err != nil {
+		statedb.SetTxContext(tx.Hash(), i)
+		if _, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(msg.GasLimit)); err != nil {
 			log.Warn("Tracing intermediate roots did not complete", "txindex", i, "txhash", tx.Hash(), "err", err)
 			// We intentionally don't return the error here: if we do, then the RPC server will not
 			// return the roots. Most likely, the caller already knows that a certain transaction fails to
@@ -545,13 +613,35 @@ func (api *API) IntermediateRoots(ctx context.Context, hash common.Hash, config
 	return roots, nil
 }
 
+// StandardTraceBadBlockToFile dumps the structured logs created during the
+// execution of EVM against a block pulled from the pool of bad ones to the
+// local file system and returns a list of files to the caller.
+func (api *FileTracerAPI) StandardTraceBadBlockToFile(ctx context.Context, hash common.Hash, config *StdTraceConfig) ([]string, error) {
+	// Search for the bad block corresponding to [hash].
+	var (
+		badBlocks, _ = api.backend.BadBlocks()
+		block        *types.Block
+	)
+	for _, badBlock := range badBlocks {
+		if hash == block.Hash() {
+			block = badBlock
+			break
+		}
+	}
+	if block == nil {
+		return nil, fmt.Errorf("bad block %#x not found", hash)
+	}
+	return api.standardTraceBlockToFile(ctx, block, config)
+}
+
 // traceBlock configures a new tracer according to the provided configuration, and
 // executes all the transactions contained within. The return value will be one item
 // per transaction, dependent on the requested tracer.
-func (api *API) traceBlock(ctx context.Context, block *types.Block, config *TraceConfig) ([]*txTraceResult, error) {
+func (api *baseAPI) traceBlock(ctx context.Context, block *types.Block, config *TraceConfig) ([]*txTraceResult, error) {
 	if block.NumberU64() == 0 {
 		return nil, errors.New("genesis is not traceable")
 	}
+	// Prepare base state
 	parent, err := api.blockByNumberAndHash(ctx, rpc.BlockNumber(block.NumberU64()-1), block.ParentHash())
 	if err != nil {
 		return nil, err
@@ -560,37 +650,80 @@ func (api *API) traceBlock(ctx context.Context, block *types.Block, config *Trac
 	if config != nil && config.Reexec != nil {
 		reexec = *config.Reexec
 	}
-	statedb, err := api.backend.StateAtBlock(ctx, parent, reexec, nil, true, false)
+	statedb, release, err := api.backend.StateAtBlock(ctx, parent, reexec, nil, true, false)
 	if err != nil {
 		return nil, err
 	}
-	// Execute all the transaction contained within the block concurrently
+	defer release()
+
+	// JS tracers have high overhead. In this case run a parallel
+	// process that generates states in one thread and traces txes
+	// in separate worker threads.
+	if config != nil && config.Tracer != nil && *config.Tracer != "" {
+		if isJS := DefaultDirectory.IsJS(*config.Tracer); isJS {
+			return api.traceBlockParallel(ctx, block, statedb, config)
+		}
+	}
+	// Native tracers have low overhead
 	var (
-		signer  = types.MakeSigner(api.backend.ChainConfig(), block.Number(), new(big.Int).SetUint64(block.Time()))
-		txs     = block.Transactions()
-		results = make([]*txTraceResult, len(txs))
+		txs       = block.Transactions()
+		blockHash = block.Hash()
+		is158     = api.backend.ChainConfig().IsEIP158(block.Number())
+		blockCtx  = core.NewEVMBlockContext(block.Header(), api.chainContext(ctx), nil)
+		signer    = types.MakeSigner(api.backend.ChainConfig(), block.Number(), block.Time())
+		results   = make([]*txTraceResult, len(txs))
+	)
+	for i, tx := range txs {
+		// Generate the next state snapshot fast without tracing
+		msg, _ := core.TransactionToMessage(tx, signer, block.BaseFee())
+		txctx := &Context{
+			BlockHash:   blockHash,
+			BlockNumber: block.Number(),
+			TxIndex:     i,
+			TxHash:      tx.Hash(),
+		}
+		res, err := api.traceTx(ctx, msg, txctx, blockCtx, statedb, config)
+		if err != nil {
+			return nil, err
+		}
+		results[i] = &txTraceResult{Result: res}
+		// Finalize the state so any modifications are written to the trie
+		// Only delete empty objects if EIP158/161 (a.k.a Spurious Dragon) is in effect
+		statedb.Finalise(is158)
+	}
+	return results, nil
+}
 
-		pend = new(sync.WaitGroup)
-		jobs = make(chan *txTraceTask, len(txs))
+// traceBlockParallel is for tracers that have a high overhead (read JS tracers). One thread
+// runs along and executes txes without tracing enabled to generate their prestate.
+// Worker threads take the tasks and the prestate and trace them.
+func (api *baseAPI) traceBlockParallel(ctx context.Context, block *types.Block, statedb *state.StateDB, config *TraceConfig) ([]*txTraceResult, error) {
+	// Execute all the transaction contained within the block concurrently
+	var (
+		txs       = block.Transactions()
+		blockHash = block.Hash()
+		blockCtx  = core.NewEVMBlockContext(block.Header(), api.chainContext(ctx), nil)
+		signer    = types.MakeSigner(api.backend.ChainConfig(), block.Number(), block.Time())
+		results   = make([]*txTraceResult, len(txs))
+		pend      sync.WaitGroup
 	)
 	threads := runtime.NumCPU()
 	if threads > len(txs) {
 		threads = len(txs)
 	}
-	blockHash := block.Hash()
+	jobs := make(chan *txTraceTask, threads)
 	for th := 0; th < threads; th++ {
 		pend.Add(1)
 		go func() {
 			defer pend.Done()
-
-			blockCtx := core.NewEVMBlockContext(block.Header(), api.chainContext(ctx), nil)
 			// Fetch and execute the next transaction trace tasks
 			for task := range jobs {
-				msg, _ := txs[task.index].AsMessage(signer, block.BaseFee())
+				msg, _ := core.TransactionToMessage(txs[task.index], signer, block.BaseFee())
 				txctx := &Context{
-					BlockHash: blockHash,
-					TxIndex:   task.index,
-					TxHash:    txs[task.index].Hash(),
+					BlockHash:   blockHash,
+					BlockNumber: block.Number(),
+					TxIndex:     task.index,
+					TxHash:      txs[task.index].Hash(),
 				}
 				res, err := api.traceTx(ctx, msg, txctx, blockCtx, task.statedb, config)
 				if err != nil {
@@ -601,25 +734,33 @@ func (api *API) traceBlock(ctx context.Context, block *types.Block, config *Trac
 			}
 		}()
 	}
+
 	// Feed the transactions into the tracers and return
 	var failed error
-	blockCtx := core.NewEVMBlockContext(block.Header(), api.chainContext(ctx), nil)
+txloop:
 	for i, tx := range txs {
 		// Send the trace task over for execution
-		jobs <- &txTraceTask{statedb: statedb.Copy(), index: i}
+		task := &txTraceTask{statedb: statedb.Copy(), index: i}
+		select {
+		case <-ctx.Done():
+			failed = ctx.Err()
+			break txloop
+		case jobs <- task:
+		}
 
 		// Generate the next state snapshot fast without tracing
-		msg, _ := tx.AsMessage(signer, block.BaseFee())
-		statedb.Prepare(tx.Hash(), i)
+		msg, _ := core.TransactionToMessage(tx, signer, block.BaseFee())
+		statedb.SetTxContext(tx.Hash(), i)
 		vmenv := vm.NewEVM(blockCtx, core.NewEVMTxContext(msg), statedb, api.backend.ChainConfig(), vm.Config{})
-		if _, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(msg.Gas())); err != nil {
+		if _, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(msg.GasLimit)); err != nil {
 			failed = err
-			break
+			break txloop
 		}
 		// Finalize the state so any modifications are written to the trie
 		// Only delete empty objects if EIP158/161 (a.k.a Spurious Dragon) is in effect
 		statedb.Finalise(vmenv.ChainConfig().IsEIP158(block.Number()))
 	}
+
 	close(jobs)
 	pend.Wait()
 
@@ -630,13 +771,140 @@ func (api *API) traceBlock(ctx context.Context, block *types.Block, config *Trac
 	return results, nil
 }
 
+// standardTraceBlockToFile configures a new tracer which uses standard JSON output,
+// and traces either a full block or an individual transaction. The return value will
+// be one filename per transaction traced.
+func (api *FileTracerAPI) standardTraceBlockToFile(ctx context.Context, block *types.Block, config *StdTraceConfig) ([]string, error) {
+	// If we're tracing a single transaction, make sure it's present
+	if config != nil && config.TxHash != (common.Hash{}) {
+		if !containsTx(block, config.TxHash) {
+			return nil, fmt.Errorf("transaction %#x not found in block", config.TxHash)
+		}
+	}
+	if block.NumberU64() == 0 {
+		return nil, errors.New("genesis is not traceable")
+	}
+	parent, err := api.blockByNumberAndHash(ctx, rpc.BlockNumber(block.NumberU64()-1), block.ParentHash())
+	if err != nil {
+		return nil, err
+	}
+	reexec := defaultTraceReexec
+	if config != nil && config.Reexec != nil {
+		reexec = *config.Reexec
+	}
+	statedb, release, err := api.backend.StateAtBlock(ctx, parent, reexec, nil, true, false)
+	if err != nil {
+		return nil, err
+	}
+	defer release()
+
+	// Retrieve the tracing configurations, or use default values
+	var (
+		logConfig logger.Config
+		txHash    common.Hash
+	)
+	if config != nil {
+		logConfig = config.Config
+		txHash = config.TxHash
+	}
+	logConfig.Debug = true
+
+	// Execute transaction, either tracing all or just the requested one
+	var (
+		dumps       []string
+		signer      = types.MakeSigner(api.backend.ChainConfig(), block.Number(), block.Time())
+		chainConfig = api.backend.ChainConfig()
+		vmctx       = core.NewEVMBlockContext(block.Header(), api.chainContext(ctx), nil)
+		canon       = true
+	)
+	// Check if there are any overrides: the caller may wish to enable a future
+	// fork when executing this block. Note, such overrides are only applicable to the
+	// actual specified block, not any preceding blocks that we have to go through
+	// in order to obtain the state.
+	// Therefore, it's perfectly valid to specify `"futureForkBlock": 0`, to enable `futureFork`
+	if config != nil && config.Overrides != nil {
+		// Note: This copies the config, to not screw up the main config
+		chainConfig, canon = overrideConfig(chainConfig, config.Overrides)
+	}
+	for i, tx := range block.Transactions() {
+		// Prepare the transaction for un-traced execution
+		var (
+			msg, _    = core.TransactionToMessage(tx, signer, block.BaseFee())
+			txContext = core.NewEVMTxContext(msg)
+			vmConf    vm.Config
+			dump      *os.File
+			writer    *bufio.Writer
+			err       error
+		)
+		// If the transaction needs tracing, swap out the configs
+		if tx.Hash() == txHash || txHash == (common.Hash{}) {
+			// Generate a unique temporary file to dump it into
+			prefix := fmt.Sprintf("block_%#x-%d-%#x-", block.Hash().Bytes()[:4], i, tx.Hash().Bytes()[:4])
+			if !canon {
+				prefix = fmt.Sprintf("%valt-", prefix)
+			}
+			dump, err = os.CreateTemp(os.TempDir(), prefix)
+			if err != nil {
+				return nil, err
+			}
+			dumps = append(dumps, dump.Name())
+
+			// Swap out the noop logger to the standard tracer
+			writer = bufio.NewWriter(dump)
+			vmConf = vm.Config{
+				Debug:                   true,
+				Tracer:                  logger.NewJSONLogger(&logConfig, writer),
+				EnablePreimageRecording: true,
+			}
+		}
+		// Execute the transaction and flush any traces to disk
+		vmenv := vm.NewEVM(vmctx, txContext, statedb, chainConfig, vmConf)
+		statedb.SetTxContext(tx.Hash(), i)
+		_, err = core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(msg.GasLimit))
+		if writer != nil {
+			writer.Flush()
+		}
+		if dump != nil {
+			dump.Close()
+			log.Info("Wrote standard trace", "file", dump.Name())
+		}
+		if err != nil {
+			return dumps, err
+		}
+		// Finalize the state so any modifications are written to the trie
+		// Only delete empty objects if EIP158/161 (a.k.a Spurious Dragon) is in effect
+		statedb.Finalise(vmenv.ChainConfig().IsEIP158(block.Number()))
+
+		// If we've traced the transaction we were looking for, abort
+		if tx.Hash() == txHash {
+			break
+		}
+	}
+	return dumps, nil
+}
+
+// containsTx reports whether the transaction with a certain hash
+// is contained within the specified block.
+func containsTx(block *types.Block, hash common.Hash) bool {
+	for _, tx := range block.Transactions() {
+		if tx.Hash() == hash {
+			return true
+		}
+	}
+	return false
+}
+
 // TraceTransaction returns the structured logs created during the execution of EVM
 // and returns them as a JSON object.
 func (api *API) TraceTransaction(ctx context.Context, hash common.Hash, config *TraceConfig) (interface{}, error) {
-	_, blockHash, blockNumber, index, err := api.backend.GetTransaction(ctx, hash)
+	tx, blockHash, blockNumber, index, err := api.backend.GetTransaction(ctx, hash)
 	if err != nil {
 		return nil, err
 	}
+	// Only mined txes are supported
+	if tx == nil {
+		return nil, errTxNotFound
+	}
 	// It shouldn't happen in practice.
 	if blockNumber == 0 {
 		return nil, errors.New("genesis is not traceable")
@@ -649,14 +917,17 @@ func (api *API) TraceTransaction(ctx context.Context, hash common.Hash, config *
 	if err != nil {
 		return nil, err
 	}
-	msg, vmctx, statedb, err := api.backend.StateAtTransaction(ctx, block, int(index), reexec)
+	msg, vmctx, statedb, release, err := api.backend.StateAtTransaction(ctx, block, int(index), reexec)
 	if err != nil {
 		return nil, err
 	}
+	defer release()
+
 	txctx := &Context{
-		BlockHash: blockHash,
-		TxIndex:   int(index),
-		TxHash:    hash,
+		BlockHash:   blockHash,
+		BlockNumber: block.Number(),
+		TxIndex:     int(index),
+		TxHash:      hash,
 	}
 	return api.traceTx(ctx, msg, txctx, vmctx, statedb, config)
 }
@@ -693,10 +964,12 @@ func (api *API) TraceCall(ctx context.Context, args ethapi.TransactionArgs, bloc
 	if config != nil && config.Reexec != nil {
 		reexec = *config.Reexec
 	}
-	statedb, err := api.backend.StateAtBlock(ctx, block, reexec, nil, true, false)
+	statedb, release, err := api.backend.StateAtBlock(ctx, block, reexec, nil, true, false)
 	if err != nil {
 		return nil, err
 	}
+	defer release()
+
 	vmctx := core.NewEVMBlockContext(block.Header(), api.chainContext(ctx), nil)
 	// Apply the customization rules if required.
 	if config != nil {
@@ -713,12 +986,7 @@ func (api *API) TraceCall(ctx context.Context, args ethapi.TransactionArgs, bloc
 
 	var traceConfig *TraceConfig
 	if config != nil {
-		traceConfig = &TraceConfig{
-			Config:  config.Config,
-			Tracer:  config.Tracer,
-			Timeout: config.Timeout,
-			Reexec:  config.Reexec,
-		}
+		traceConfig = &config.TraceConfig
 	}
 	return api.traceTx(ctx, msg, new(Context), vmctx, statedb, traceConfig)
 }
@@ -726,7 +994,7 @@ func (api *API) TraceCall(ctx context.Context, args ethapi.TransactionArgs, bloc
 // traceTx configures a new tracer according to the provided configuration, and
 // executes the given message in the provided environment. The return value will
 // be tracer dependent.
-func (api *API) traceTx(ctx context.Context, message core.Message, txctx *Context, vmctx vm.BlockContext, statedb *state.StateDB, config *TraceConfig) (interface{}, error) {
+func (api *baseAPI) traceTx(ctx context.Context, message *core.Message, txctx *Context, vmctx vm.BlockContext, statedb *state.StateDB, config *TraceConfig) (interface{}, error) {
 	var (
 		tracer    Tracer
 		err       error
@@ -739,11 +1007,13 @@ func (api *API) traceTx(ctx context.Context, message core.Message, txctx *Contex
 	// Default tracer is the struct logger
 	tracer = logger.NewStructLogger(config.Config)
 	if config.Tracer != nil {
-		tracer, err = New(*config.Tracer, txctx, config.TracerConfig)
+		tracer, err = DefaultDirectory.New(*config.Tracer, txctx, config.TracerConfig)
 		if err != nil {
 			return nil, err
 		}
 	}
+	vmenv := vm.NewEVM(vmctx, txContext, statedb, api.backend.ChainConfig(), vm.Config{Debug: true, Tracer: tracer, NoBaseFee: true})
+
 	// Define a meaningful timeout of a single transaction trace
 	if config.Timeout != nil {
 		if timeout, err = time.ParseDuration(*config.Timeout); err != nil {
@@ -755,15 +1025,15 @@ func (api *API) traceTx(ctx context.Context, message core.Message, txctx *Contex
 		<-deadlineCtx.Done()
 		if errors.Is(deadlineCtx.Err(), context.DeadlineExceeded) {
 			tracer.Stop(errors.New("execution timeout"))
+			// Stop evm execution. Note cancellation is not necessarily immediate.
+			vmenv.Cancel()
 		}
 	}()
 	defer cancel()
 
-	// Run the transaction with tracing enabled.
-	vmenv := vm.NewEVM(vmctx, txContext, statedb, api.backend.ChainConfig(), vm.Config{Debug: true, Tracer: tracer, NoBaseFee: true})
 	// Call Prepare to clear out the statedb access list
-	statedb.Prepare(txctx.TxHash, txctx.TxIndex)
-	if _, err = core.ApplyMessage(vmenv, message, new(core.GasPool).AddGas(message.Gas())); err != nil {
+	statedb.SetTxContext(txctx.TxHash, txctx.TxIndex)
+	if _, err = core.ApplyMessage(vmenv, message, new(core.GasPool).AddGas(message.GasLimit)); err != nil {
 		return nil, fmt.Errorf("tracing failed: %w", err)
 	}
 	return tracer.GetResult()
@@ -778,5 +1048,29 @@ func APIs(backend Backend) []rpc.API {
 			Service:   NewAPI(backend),
 			Name:      "debug-tracer",
 		},
+		{
+			Namespace: "debug",
+			Service:   NewFileTracerAPI(backend),
+			Name:      "debug-file-tracer",
+		},
+	}
+}
+
+// overrideConfig returns a copy of [original] with network upgrades enabled by [override] enabled,
+// along with a boolean that indicates whether the copy is canonical (equivalent to the original).
+func overrideConfig(original *params.ChainConfig, override *params.ChainConfig) (*params.ChainConfig, bool) {
+	copy := new(params.ChainConfig)
+	*copy = *original
+	canon := true
+
+	if timestamp := override.SubnetEVMTimestamp; timestamp != nil {
+		copy.SubnetEVMTimestamp = timestamp
+		canon = false
 	}
+	if timestamp := override.DUpgradeTimestamp; timestamp != nil {
+		copy.DUpgradeTimestamp = timestamp
+		canon = false
+	}
+
+	return copy, canon
 }
diff --git a/eth/tracers/api_test.go b/eth/tracers/api_test.go
index f629ac65b9..856e9236f1 100644
--- a/eth/tracers/api_test.go
+++ b/eth/tracers/api_test.go
@@ -36,6 +36,7 @@ import (
 	"math/big"
 	"reflect"
 	"sort"
+	"sync/atomic"
 	"testing"
 
 	"github.com/ava-labs/subnet-evm/consensus"
@@ -56,9 +57,8 @@ import (
 )
 
 var (
-	errStateNotFound       = errors.New("state not found")
-	errBlockNotFound       = errors.New("block not found")
-	errTransactionNotFound = errors.New("transaction not found")
+	errStateNotFound = errors.New("state not found")
+	errBlockNotFound = errors.New("block not found")
 )
 
 type testBackend struct {
@@ -66,34 +66,33 @@ type testBackend struct {
 	engine      consensus.Engine
 	chaindb     ethdb.Database
 	chain       *core.BlockChain
+
+	refHook func() // Hook is invoked when the requested state is referenced
+	relHook func() // Hook is invoked when the requested state is released
 }
 
+// testBackend creates a new test backend. OBS: After test is done, teardown must be
+// invoked in order to release associated resources.
 func newTestBackend(t *testing.T, n int, gspec *core.Genesis, generator func(i int, b *core.BlockGen)) *testBackend {
 	backend := &testBackend{
-		chainConfig: params.TestChainConfig,
+		chainConfig: gspec.Config,
 		engine:      dummy.NewFakerWithMode(dummy.Mode{ModeSkipBlockFee: true, ModeSkipCoinbase: true}),
 		chaindb:     rawdb.NewMemoryDatabase(),
 	}
 	// Generate blocks for testing
-	gspec.Config = backend.chainConfig
-	var (
-		gendb   = rawdb.NewMemoryDatabase()
-		genesis = gspec.MustCommit(gendb)
-	)
-	blocks, _, err := core.GenerateChain(backend.chainConfig, genesis, backend.engine, gendb, n, 10, generator)
+	_, blocks, _, err := core.GenerateChainWithGenesis(gspec, backend.engine, n, 10, generator)
 	if err != nil {
 		t.Fatal(err)
 	}
 
 	// Import the canonical chain
-	gspec.MustCommit(backend.chaindb)
 	cacheConfig := &core.CacheConfig{
 		TrieCleanLimit: 256,
 		TrieDirtyLimit: 256,
 		SnapshotLimit:  128,
 		Pruning:        false, // Archive mode
 	}
-	chain, err := core.NewBlockChain(backend.chaindb, cacheConfig, backend.chainConfig, backend.engine, vm.Config{}, common.Hash{})
+	chain, err := core.NewBlockChain(backend.chaindb, cacheConfig, gspec, backend.engine, vm.Config{}, common.Hash{}, false)
 	if err != nil {
 		t.Fatalf("failed to create tester chain: %v", err)
 	}
@@ -127,7 +126,7 @@ func (b *testBackend) BlockByHash(ctx context.Context, hash common.Hash) (*types
 
 func (b *testBackend) BlockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error) {
 	if number == rpc.PendingBlockNumber || number == rpc.LatestBlockNumber {
-		return b.chain.CurrentBlock(), nil
+		return b.chain.GetBlockByNumber(b.chain.CurrentBlock().Number.Uint64()), nil
 	}
 	return b.chain.GetBlockByNumber(uint64(number)), nil
 }
@@ -136,9 +135,6 @@ func (b *testBackend) BadBlocks() ([]*types.Block, []*core.BadBlockReason) { ret
 
 func (b *testBackend) GetTransaction(ctx context.Context, txHash common.Hash) (*types.Transaction, common.Hash, uint64, uint64, error) {
 	tx, hash, blockNumber, index := rawdb.ReadTransaction(b.chaindb, txHash)
-	if tx == nil {
-		return nil, common.Hash{}, 0, 0, errTransactionNotFound
-	}
 	return tx, hash, blockNumber, index, nil
 }
 
@@ -158,42 +154,55 @@ func (b *testBackend) ChainDb() ethdb.Database {
 	return b.chaindb
 }
 
-func (b *testBackend) StateAtBlock(ctx context.Context, block *types.Block, reexec uint64, base *state.StateDB, checkLive bool, preferDisk bool) (*state.StateDB, error) {
+// teardown releases the associated resources.
+func (b *testBackend) teardown() {
+	b.chain.Stop()
+}
+
+func (b *testBackend) StateAtBlock(ctx context.Context, block *types.Block, reexec uint64, base *state.StateDB, readOnly bool, preferDisk bool) (*state.StateDB, StateReleaseFunc, error) {
 	statedb, err := b.chain.StateAt(block.Root())
 	if err != nil {
-		return nil, errStateNotFound
+		return nil, nil, errStateNotFound
+	}
+	if b.refHook != nil {
+		b.refHook()
 	}
-	return statedb, nil
+	release := func() {
+		if b.relHook != nil {
+			b.relHook()
+		}
+	}
+	return statedb, release, nil
 }
 
-func (b *testBackend) StateAtTransaction(ctx context.Context, block *types.Block, txIndex int, reexec uint64) (core.Message, vm.BlockContext, *state.StateDB, error) {
+func (b *testBackend) StateAtTransaction(ctx context.Context, block *types.Block, txIndex int, reexec uint64) (*core.Message, vm.BlockContext, *state.StateDB, StateReleaseFunc, error) {
 	parent := b.chain.GetBlock(block.ParentHash(), block.NumberU64()-1)
 	if parent == nil {
-		return nil, vm.BlockContext{}, nil, errBlockNotFound
+		return nil, vm.BlockContext{}, nil, nil, errBlockNotFound
 	}
-	statedb, err := b.chain.StateAt(parent.Root())
+	statedb, release, err := b.StateAtBlock(ctx, parent, reexec, nil, true, false)
 	if err != nil {
-		return nil, vm.BlockContext{}, nil, errStateNotFound
+		return nil, vm.BlockContext{}, nil, nil, errStateNotFound
 	}
 	if txIndex == 0 && len(block.Transactions()) == 0 {
-		return nil, vm.BlockContext{}, statedb, nil
+		return nil, vm.BlockContext{}, statedb, release, nil
 	}
 	// Recompute transactions up to the target index.
-	signer := types.MakeSigner(b.chainConfig, block.Number(), new(big.Int).SetUint64(block.Time()))
+	signer := types.MakeSigner(b.chainConfig, block.Number(), block.Time())
 	for idx, tx := range block.Transactions() {
-		msg, _ := tx.AsMessage(signer, block.BaseFee())
+		msg, _ := core.TransactionToMessage(tx, signer, block.BaseFee())
 		txContext := core.NewEVMTxContext(msg)
 		context := core.NewEVMBlockContext(block.Header(), b.chain, nil)
 		if idx == txIndex {
-			return msg, context, statedb, nil
+			return msg, context, statedb, release, nil
 		}
 		vmenv := vm.NewEVM(context, txContext, statedb, b.chainConfig, vm.Config{})
 		if _, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(tx.Gas())); err != nil {
-			return nil, vm.BlockContext{}, nil, fmt.Errorf("transaction %#x failed: %v", tx.Hash(), err)
+			return nil, vm.BlockContext{}, nil, nil, fmt.Errorf("transaction %#x failed: %v", tx.Hash(), err)
 		}
 		statedb.Finalise(vmenv.ChainConfig().IsEIP158(block.Number()))
 	}
-	return nil, vm.BlockContext{}, nil, fmt.Errorf("transaction index %d out of range for block %#x", txIndex, block.Hash())
+	return nil, vm.BlockContext{}, nil, nil, fmt.Errorf("transaction index %d out of range for block %#x", txIndex, block.Hash())
 }
 
 func TestTraceCall(t *testing.T) {
@@ -201,20 +210,25 @@ func TestTraceCall(t *testing.T) {
 
 	// Initialize test accounts
 	accounts := newAccounts(3)
-	genesis := &core.Genesis{Alloc: core.GenesisAlloc{
-		accounts[0].addr: {Balance: big.NewInt(params.Ether)},
-		accounts[1].addr: {Balance: big.NewInt(params.Ether)},
-		accounts[2].addr: {Balance: big.NewInt(params.Ether)},
-	}}
+	genesis := &core.Genesis{
+		Config: params.TestSubnetEVMConfig, // TODO: go-ethereum has not enabled Shanghai yet, so we use SubnetEVM here so tests pass.
+		Alloc: core.GenesisAlloc{
+			accounts[0].addr: {Balance: big.NewInt(params.Ether)},
+			accounts[1].addr: {Balance: big.NewInt(params.Ether)},
+			accounts[2].addr: {Balance: big.NewInt(params.Ether)},
+		},
+	}
 	genBlocks := 10
 	signer := types.HomesteadSigner{}
-	api := NewAPI(newTestBackend(t, genBlocks, genesis, func(i int, b *core.BlockGen) {
+	backend := newTestBackend(t, genBlocks, genesis, func(i int, b *core.BlockGen) {
 		// Transfer from account[0] to account[1]
 		//    value: 1000 wei
 		//    fee:   0 wei
 		tx, _ := types.SignTx(types.NewTransaction(uint64(i), accounts[1].addr, big.NewInt(1000), params.TxGas, b.BaseFee(), nil), signer, accounts[0].key)
 		b.AddTx(tx)
-	}))
+	})
+	defer backend.teardown()
+	api := NewAPI(backend)
 	var testSuite = []struct {
 		blockNumber rpc.BlockNumber
 		call        ethapi.TransactionArgs
@@ -331,20 +345,25 @@ func TestTraceTransaction(t *testing.T) {
 
 	// Initialize test accounts
 	accounts := newAccounts(2)
-	genesis := &core.Genesis{Alloc: core.GenesisAlloc{
-		accounts[0].addr: {Balance: big.NewInt(params.Ether)},
-		accounts[1].addr: {Balance: big.NewInt(params.Ether)},
-	}}
+	genesis := &core.Genesis{
+		Config: params.TestChainConfig,
+		Alloc: core.GenesisAlloc{
+			accounts[0].addr: {Balance: big.NewInt(params.Ether)},
+			accounts[1].addr: {Balance: big.NewInt(params.Ether)},
+		},
+	}
 	target := common.Hash{}
 	signer := types.HomesteadSigner{}
-	api := NewAPI(newTestBackend(t, 1, genesis, func(i int, b *core.BlockGen) {
+	backend := newTestBackend(t, 1, genesis, func(i int, b *core.BlockGen) {
 		// Transfer from account[0] to account[1]
 		//    value: 1000 wei
 		//    fee:   0 wei
 		tx, _ := types.SignTx(types.NewTransaction(uint64(i), accounts[1].addr, big.NewInt(1000), params.TxGas, new(big.Int).Add(b.BaseFee(), big.NewInt(int64(500*params.GWei))), nil), signer, accounts[0].key)
 		b.AddTx(tx)
 		target = tx.Hash()
-	}))
+	})
+	defer backend.chain.Stop()
+	api := NewAPI(backend)
 	result, err := api.TraceTransaction(context.Background(), target, nil)
 	if err != nil {
 		t.Errorf("Failed to trace transaction %v", err)
@@ -362,6 +381,12 @@ func TestTraceTransaction(t *testing.T) {
 	if !reflect.DeepEqual(have, expected) {
 		t.Errorf("Transaction tracing result is different: have %v want %v", have, expected)
 	}
+
+	// Test non-existent transaction
+	_, err = api.TraceTransaction(context.Background(), common.Hash{42}, nil)
+	if !errors.Is(err, errTxNotFound) {
+		t.Fatalf("want %v, have %v", errTxNotFound, err)
+	}
 }
 
 func TestTraceBlock(t *testing.T) {
@@ -369,20 +394,25 @@ func TestTraceBlock(t *testing.T) {
 
 	// Initialize test accounts
 	accounts := newAccounts(3)
-	genesis := &core.Genesis{Alloc: core.GenesisAlloc{
-		accounts[0].addr: {Balance: big.NewInt(params.Ether)},
-		accounts[1].addr: {Balance: big.NewInt(params.Ether)},
-		accounts[2].addr: {Balance: big.NewInt(params.Ether)},
-	}}
+	genesis := &core.Genesis{
+		Config: params.TestChainConfig,
+		Alloc: core.GenesisAlloc{
+			accounts[0].addr: {Balance: big.NewInt(params.Ether)},
+			accounts[1].addr: {Balance: big.NewInt(params.Ether)},
+			accounts[2].addr: {Balance: big.NewInt(params.Ether)},
+		},
+	}
 	genBlocks := 10
 	signer := types.HomesteadSigner{}
-	api := NewAPI(newTestBackend(t, genBlocks, genesis, func(i int, b *core.BlockGen) {
+	backend := newTestBackend(t, genBlocks, genesis, func(i int, b *core.BlockGen) {
 		// Transfer from account[0] to account[1]
 		//    value: 1000 wei
 		//    fee:   0 wei
-		tx, _ := types.SignTx(types.NewTransaction(uint64(i), accounts[1].addr, big.NewInt(1000), params.TxGas, new(big.Int).Add(b.BaseFee(), big.NewInt(int64(500*params.GWei))), nil), signer, accounts[0].key)
+		tx, _ := types.SignTx(types.NewTransaction(uint64(i), accounts[1].addr, big.NewInt(1000), params.TxGas, b.BaseFee(), nil), signer, accounts[0].key)
 		b.AddTx(tx)
-	}))
+	})
+	defer backend.chain.Stop()
+	api := NewAPI(backend)
 
 	var testSuite = []struct {
 		blockNumber rpc.BlockNumber
@@ -444,20 +474,34 @@ func TestTracingWithOverrides(t *testing.T) {
 	t.Parallel()
 	// Initialize test accounts
 	accounts := newAccounts(3)
-	genesis := &core.Genesis{Alloc: core.GenesisAlloc{
-		accounts[0].addr: {Balance: big.NewInt(params.Ether)},
-		accounts[1].addr: {Balance: big.NewInt(params.Ether)},
-		accounts[2].addr: {Balance: big.NewInt(params.Ether)},
-	}}
+	storageAccount := common.Address{0x13, 37}
+	genesis := &core.Genesis{
+		Config: params.TestSubnetEVMConfig, // TODO: go-ethereum has not enabled Shanghai yet, so we use SubnetEVM here so tests pass.
+		Alloc: core.GenesisAlloc{
+			accounts[0].addr: {Balance: big.NewInt(params.Ether)},
+			accounts[1].addr: {Balance: big.NewInt(params.Ether)},
+			accounts[2].addr: {Balance: big.NewInt(params.Ether)},
+			// An account with existing storage
+			storageAccount: {
+				Balance: new(big.Int),
+				Storage: map[common.Hash]common.Hash{
+					common.HexToHash("0x03"): common.HexToHash("0x33"),
+					common.HexToHash("0x04"): common.HexToHash("0x44"),
+				},
+			},
+		},
+	}
 	genBlocks := 10
 	signer := types.HomesteadSigner{}
-	api := NewAPI(newTestBackend(t, genBlocks, genesis, func(i int, b *core.BlockGen) {
+	backend := newTestBackend(t, genBlocks, genesis, func(i int, b *core.BlockGen) {
 		// Transfer from account[0] to account[1]
 		//    value: 1000 wei
 		//    fee:   0 wei
 		tx, _ := types.SignTx(types.NewTransaction(uint64(i), accounts[1].addr, big.NewInt(1000), params.TxGas, b.BaseFee(), nil), signer, accounts[0].key)
 		b.AddTx(tx)
-	}))
+	})
+	defer backend.chain.Stop()
+	api := NewAPI(backend)
 	randomAccounts := newAccounts(3)
 	type res struct {
 		Gas         int
@@ -564,6 +608,164 @@ func TestTracingWithOverrides(t *testing.T) {
 			},
 			want: `{"gas":72666,"failed":false,"returnValue":"000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"}`,
 		},
+		/*
+			pragma solidity =0.8.12;
+
+			contract Test {
+			    uint private x;
+
+			    function test2() external {
+			        x = 1337;
+			        revert();
+			    }
+
+			    function test() external returns (uint) {
+			        x = 1;
+			        try this.test2() {} catch (bytes memory) {}
+			        return x;
+			    }
+			}
+		*/
+		{ // First with only code override, not storage override
+			blockNumber: rpc.LatestBlockNumber,
+			call: ethapi.TransactionArgs{
+				From: &randomAccounts[0].addr,
+				To:   &randomAccounts[2].addr,
+				Data: newRPCBytes(common.Hex2Bytes("f8a8fd6d")), //
+			},
+			config: &TraceCallConfig{
+				StateOverrides: &ethapi.StateOverride{
+					randomAccounts[2].addr: ethapi.OverrideAccount{
+						Code: newRPCBytes(common.Hex2Bytes("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")),
+					},
+				},
+			},
+			want: `{"gas":44100,"failed":false,"returnValue":"0000000000000000000000000000000000000000000000000000000000000001"}`,
+		},
+		{ // Same again, this time with storage override
+			blockNumber: rpc.LatestBlockNumber,
+			call: ethapi.TransactionArgs{
+				From: &randomAccounts[0].addr,
+				To:   &randomAccounts[2].addr,
+				Data: newRPCBytes(common.Hex2Bytes("f8a8fd6d")), //
+			},
+			config: &TraceCallConfig{
+				StateOverrides: &ethapi.StateOverride{
+					randomAccounts[2].addr: ethapi.OverrideAccount{
+						Code:  newRPCBytes(common.Hex2Bytes("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")),
+						State: newStates([]common.Hash{{}}, []common.Hash{{}}),
+					},
+				},
+			},
+			//want: `{"gas":46900,"failed":false,"returnValue":"0000000000000000000000000000000000000000000000000000000000000539"}`,
+			want: `{"gas":44100,"failed":false,"returnValue":"0000000000000000000000000000000000000000000000000000000000000001"}`,
+		},
+		{ // No state override
+			blockNumber: rpc.LatestBlockNumber,
+			call: ethapi.TransactionArgs{
+				From: &randomAccounts[0].addr,
+				To:   &storageAccount,
+				Data: newRPCBytes(common.Hex2Bytes("f8a8fd6d")), //
+			},
+			config: &TraceCallConfig{
+				StateOverrides: &ethapi.StateOverride{
+					storageAccount: ethapi.OverrideAccount{
+						Code: newRPCBytes([]byte{
+							// SLOAD(3) + SLOAD(4) (which is 0x77)
+							byte(vm.PUSH1), 0x04,
+							byte(vm.SLOAD),
+							byte(vm.PUSH1), 0x03,
+							byte(vm.SLOAD),
+							byte(vm.ADD),
+							// 0x77 -> MSTORE(0)
+							byte(vm.PUSH1), 0x00,
+							byte(vm.MSTORE),
+							// RETURN (0, 32)
+							byte(vm.PUSH1), 32,
+							byte(vm.PUSH1), 00,
+							byte(vm.RETURN),
+						}),
+					},
+				},
+			},
+			want: `{"gas":25288,"failed":false,"returnValue":"0000000000000000000000000000000000000000000000000000000000000077"}`,
+		},
+		{ // Full state override
+			// The original storage is
+			// 3: 0x33
+			// 4: 0x44
+			// With a full override, where we set 3:0x11, the slot 4 should be
+			// removed. So SLOT(3)+SLOT(4) should be 0x11.
+			blockNumber: rpc.LatestBlockNumber,
+			call: ethapi.TransactionArgs{
+				From: &randomAccounts[0].addr,
+				To:   &storageAccount,
+				Data: newRPCBytes(common.Hex2Bytes("f8a8fd6d")), //
+			},
+			config: &TraceCallConfig{
+				StateOverrides: &ethapi.StateOverride{
+					storageAccount: ethapi.OverrideAccount{
+						Code: newRPCBytes([]byte{
+							// SLOAD(3) + SLOAD(4) (which is now 0x11 + 0x00)
+							byte(vm.PUSH1), 0x04,
+							byte(vm.SLOAD),
+							byte(vm.PUSH1), 0x03,
+							byte(vm.SLOAD),
+							byte(vm.ADD),
+							// 0x11 -> MSTORE(0)
+							byte(vm.PUSH1), 0x00,
+							byte(vm.MSTORE),
+							// RETURN (0, 32)
+							byte(vm.PUSH1), 32,
+							byte(vm.PUSH1), 00,
+							byte(vm.RETURN),
+						}),
+						State: newStates(
+							[]common.Hash{common.HexToHash("0x03")},
+							[]common.Hash{common.HexToHash("0x11")}),
+					},
+				},
+			},
+			want: `{"gas":25288,"failed":false,"returnValue":"0000000000000000000000000000000000000000000000000000000000000011"}`,
+		},
+		{ // Partial state override
+			// The original storage is
+			// 3: 0x33
+			// 4: 0x44
+			// With a partial override, where we set 3:0x11, the slot 4 as before.
+			// So SLOT(3)+SLOT(4) should be 0x55.
+			blockNumber: rpc.LatestBlockNumber,
+			call: ethapi.TransactionArgs{
+				From: &randomAccounts[0].addr,
+				To:   &storageAccount,
+				Data: newRPCBytes(common.Hex2Bytes("f8a8fd6d")), //
+			},
+			config: &TraceCallConfig{
+				StateOverrides: &ethapi.StateOverride{
+					storageAccount: ethapi.OverrideAccount{
+						Code: newRPCBytes([]byte{
+							// SLOAD(3) + SLOAD(4) (which is now 0x11 + 0x44)
+							byte(vm.PUSH1), 0x04,
+							byte(vm.SLOAD),
+							byte(vm.PUSH1), 0x03,
+							byte(vm.SLOAD),
+							byte(vm.ADD),
+							// 0x55 -> MSTORE(0)
+							byte(vm.PUSH1), 0x00,
+							byte(vm.MSTORE),
+							// RETURN (0, 32)
+							byte(vm.PUSH1), 32,
+							byte(vm.PUSH1), 00,
+							byte(vm.RETURN),
+						}),
+						StateDiff: &map[common.Hash]common.Hash{
+							common.HexToHash("0x03"): common.HexToHash("0x11"),
+						},
+					},
+				},
+			},
+			want: `{"gas":25288,"failed":false,"returnValue":"0000000000000000000000000000000000000000000000000000000000000055"}`,
+		},
 	}
 	for i, tc := range testSuite {
 		result, err := api.TraceCall(context.Background(), tc.call, rpc.BlockNumberOrHash{BlockNumber: &tc.blockNumber}, tc.config)
@@ -590,7 +792,8 @@ func TestTracingWithOverrides(t *testing.T) {
 		json.Unmarshal(resBytes, &have)
 		json.Unmarshal([]byte(tc.want), &want)
 		if !reflect.DeepEqual(have, want) {
-			t.Errorf("test %d, result mismatch, have\n%v\n, want\n%v\n", i, string(resBytes), want)
+			t.Logf("result: %v\n", string(resBytes))
+			t.Errorf("test %d, result mismatch, have\n%v\n, want\n%v\n", i, have, want)
 		}
 	}
 }
@@ -636,3 +839,78 @@ func newStates(keys []common.Hash, vals []common.Hash) *map[common.Hash]common.H
 	}
 	return &m
 }
+
+func TestTraceChain(t *testing.T) {
+	// Initialize test accounts
+	// Note: the balances in this test have been increased compared to go-ethereum.
+	accounts := newAccounts(3)
+	genesis := &core.Genesis{
+		Config: params.TestChainConfig,
+		Alloc: core.GenesisAlloc{
+			accounts[0].addr: {Balance: big.NewInt(5 * params.Ether)},
+			accounts[1].addr: {Balance: big.NewInt(5 * params.Ether)},
+			accounts[2].addr: {Balance: big.NewInt(5 * params.Ether)},
+		},
+	}
+	genBlocks := 50
+	signer := types.HomesteadSigner{}
+
+	var (
+		ref   uint32 // total refs has made
+		rel   uint32 // total rels has made
+		nonce uint64
+	)
+	backend := newTestBackend(t, genBlocks, genesis, func(i int, b *core.BlockGen) {
+		// Transfer from account[0] to account[1]
+		//    value: 1000 wei
+		//    fee:   0 wei
+		for j := 0; j < i+1; j++ {
+			tx, _ := types.SignTx(types.NewTransaction(nonce, accounts[1].addr, big.NewInt(1000), params.TxGas, b.BaseFee(), nil), signer, accounts[0].key)
+			b.AddTx(tx)
+			nonce += 1
+		}
+	})
+	backend.refHook = func() { atomic.AddUint32(&ref, 1) }
+	backend.relHook = func() { atomic.AddUint32(&rel, 1) }
+	api := NewAPI(backend)
+
+	single := `{"result":{"gas":21000,"failed":false,"returnValue":"","structLogs":[]}}`
+	var cases = []struct {
+		start  uint64
+		end    uint64
+		config *TraceConfig
+	}{
+		{0, 50, nil},  // the entire chain range, blocks [1, 50]
+		{10, 20, nil}, // the middle chain range, blocks [11, 20]
+	}
+	for _, c := range cases {
+		ref, rel = 0, 0 // clean up the counters
+
+		from, _ := api.blockByNumber(context.Background(), rpc.BlockNumber(c.start))
+		to, _ := api.blockByNumber(context.Background(), rpc.BlockNumber(c.end))
+		resCh := api.traceChain(from, to, c.config, nil)
+
+		next := c.start + 1
+		for result := range resCh {
+			if next != uint64(result.Block) {
+				t.Error("Unexpected tracing block")
+			}
+			if len(result.Traces) != int(next) {
+				t.Error("Unexpected tracing result")
+			}
+			for _, trace := range result.Traces {
+				blob, _ := json.Marshal(trace)
+				if string(blob) != single {
+					t.Error("Unexpected tracing result")
+				}
+			}
+			next += 1
+		}
+		if next != c.end+1 {
+			t.Error("Missing tracing block")
+		}
+		if ref != rel {
+			t.Errorf("Ref and deref actions are not equal, ref %d rel %d", ref, rel)
+		}
+	}
+}
diff --git a/eth/tracers/internal/tracetest/calltrace_test.go b/eth/tracers/internal/tracetest/calltrace_test.go
index 2478f87dde..7b24f235a3 100644
--- a/eth/tracers/internal/tracetest/calltrace_test.go
+++ b/eth/tracers/internal/tracetest/calltrace_test.go
@@ -31,10 +31,8 @@ import (
 	"math/big"
 	"os"
 	"path/filepath"
-	"reflect"
 	"strings"
 	"testing"
-	"unicode"
 
 	"github.com/ava-labs/subnet-evm/core"
 	"github.com/ava-labs/subnet-evm/core/rawdb"
@@ -53,56 +51,6 @@ import (
 	_ "github.com/ava-labs/subnet-evm/eth/tracers/native"
 )
 
-// To generate a new callTracer test, copy paste the makeTest method below into
-// a Geth console and call it with a transaction hash you which to export.
-
-/*
-// makeTest generates a callTracer test by running a prestate reassembled and a
-// call trace run, assembling all the gathered information into a test case.
-var makeTest = function(tx, rewind) {
-  // Generate the genesis block from the block, transaction and prestate data
-  var block   = eth.getBlock(eth.getTransaction(tx).blockHash);
-  var genesis = eth.getBlock(block.parentHash);
-
-  delete genesis.gasUsed;
-  delete genesis.logsBloom;
-  delete genesis.parentHash;
-  delete genesis.receiptsRoot;
-  delete genesis.sha3Uncles;
-  delete genesis.size;
-  delete genesis.transactions;
-  delete genesis.transactionsRoot;
-  delete genesis.uncles;
-
-  genesis.gasLimit  = genesis.gasLimit.toString();
-  genesis.number    = genesis.number.toString();
-  genesis.timestamp = genesis.timestamp.toString();
-
-  genesis.alloc = debug.traceTransaction(tx, {tracer: "prestateTracer", rewind: rewind});
-  for (var key in genesis.alloc) {
-    genesis.alloc[key].nonce = genesis.alloc[key].nonce.toString();
-  }
-  genesis.config = admin.nodeInfo.protocols.eth.config;
-
-  // Generate the call trace and produce the test input
-  var result = debug.traceTransaction(tx, {tracer: "callTracer", rewind: rewind});
-  delete result.time;
-
-  console.log(JSON.stringify({
-    genesis: genesis,
-    context: {
-      number:     block.number.toString(),
-      difficulty: block.difficulty,
-      timestamp:  block.timestamp.toString(),
-      gasLimit:   block.gasLimit.toString(),
-      miner:      block.miner,
-    },
-    input:  eth.getRawTransaction(tx),
-    result: result,
-  }, null, 2));
-}
-*/
-
 type callContext struct {
 	Number     math.HexOrDecimal64   `json:"number"`
 	Difficulty *math.HexOrDecimal256 `json:"difficulty"`
@@ -111,18 +59,28 @@ type callContext struct {
 	Miner      common.Address        `json:"miner"`
 }
 
+// callLog is the result of LOG opCode
+type callLog struct {
+	Address common.Address `json:"address"`
+	Topics  []common.Hash  `json:"topics"`
+	Data    hexutil.Bytes  `json:"data"`
+}
+
 // callTrace is the result of a callTracer run.
 type callTrace struct {
-	Type    string          `json:"type"`
-	From    common.Address  `json:"from"`
-	To      common.Address  `json:"to"`
-	Input   hexutil.Bytes   `json:"input"`
-	Output  hexutil.Bytes   `json:"output"`
-	Gas     *hexutil.Uint64 `json:"gas,omitempty"`
-	GasUsed *hexutil.Uint64 `json:"gasUsed,omitempty"`
-	Value   *hexutil.Big    `json:"value,omitempty"`
-	Error   string          `json:"error,omitempty"`
-	Calls   []callTrace     `json:"calls,omitempty"`
+	From         common.Address  `json:"from"`
+	Gas          *hexutil.Uint64 `json:"gas"`
+	GasUsed      *hexutil.Uint64 `json:"gasUsed"`
+	To           *common.Address `json:"to,omitempty"`
+	Input        hexutil.Bytes   `json:"input"`
+	Output       hexutil.Bytes   `json:"output,omitempty"`
+	Error        string          `json:"error,omitempty"`
+	RevertReason string          `json:"revertReason,omitempty"`
+	Calls        []callTrace     `json:"calls,omitempty"`
+	Logs         []callLog       `json:"logs,omitempty"`
+	Value        *hexutil.Big    `json:"value,omitempty"`
+	// Gencodec adds overridden fields at the end
+	Type string `json:"type"`
 }
 
 // callTracerTest defines a single test to check the call tracer against.
@@ -134,11 +92,22 @@ type callTracerTest struct {
 	Result       *callTrace      `json:"result"`
 }
 
+// Iterates over all the input-output datasets in the tracer test harness and
+// runs the JavaScript tracers against them.
+func TestCallTracerLegacy(t *testing.T) {
+	testCallTracer("callTracerLegacy", "call_tracer_legacy", t)
+}
+
 func TestCallTracerNative(t *testing.T) {
 	testCallTracer("callTracer", "call_tracer", t)
 }
 
+func TestCallTracerNativeWithLog(t *testing.T) {
+	testCallTracer("callTracer", "call_tracer_withLog", t)
+}
+
 func testCallTracer(tracerName string, dirPath string, t *testing.T) {
+	isLegacy := strings.HasSuffix(dirPath, "_legacy")
 	files, err := os.ReadDir(filepath.Join("testdata", dirPath))
 	if err != nil {
 		t.Fatalf("failed to retrieve tracer test suite: %v", err)
@@ -161,12 +130,12 @@ func testCallTracer(tracerName string, dirPath string, t *testing.T) {
 			} else if err := json.Unmarshal(blob, test); err != nil {
 				t.Fatalf("failed to parse testcase: %v", err)
 			}
-			if err := rlp.DecodeBytes(common.FromHex(test.Input), tx); err != nil {
+			if err := tx.UnmarshalBinary(common.FromHex(test.Input)); err != nil {
 				t.Fatalf("failed to parse testcase input: %v", err)
 			}
 			// Configure a blockchain with the given prestate
 			var (
-				signer    = types.MakeSigner(test.Genesis.Config, new(big.Int).SetUint64(uint64(test.Context.Number)), new(big.Int).SetUint64(uint64(test.Context.Time)))
+				signer    = types.MakeSigner(test.Genesis.Config, new(big.Int).SetUint64(uint64(test.Context.Number)), uint64(test.Context.Time))
 				origin, _ = signer.Sender(tx)
 				txContext = vm.TxContext{
 					Origin:   origin,
@@ -177,73 +146,62 @@ func testCallTracer(tracerName string, dirPath string, t *testing.T) {
 					Transfer:    core.Transfer,
 					Coinbase:    test.Context.Miner,
 					BlockNumber: new(big.Int).SetUint64(uint64(test.Context.Number)),
-					Time:        new(big.Int).SetUint64(uint64(test.Context.Time)),
+					Time:        uint64(test.Context.Time),
 					Difficulty:  (*big.Int)(test.Context.Difficulty),
 					GasLimit:    uint64(test.Context.GasLimit),
+					BaseFee:     test.Genesis.BaseFee,
 				}
 				_, statedb = tests.MakePreState(rawdb.NewMemoryDatabase(), test.Genesis.Alloc, false)
 			)
-			tracer, err := tracers.New(tracerName, new(tracers.Context), test.TracerConfig)
+			tracer, err := tracers.DefaultDirectory.New(tracerName, new(tracers.Context), test.TracerConfig)
 			if err != nil {
 				t.Fatalf("failed to create call tracer: %v", err)
 			}
 			evm := vm.NewEVM(context, txContext, statedb, test.Genesis.Config, vm.Config{Debug: true, Tracer: tracer})
-			msg, err := tx.AsMessage(signer, nil)
+			msg, err := core.TransactionToMessage(tx, signer, nil)
 			if err != nil {
 				t.Fatalf("failed to prepare transaction for tracing: %v", err)
 			}
-			st := core.NewStateTransition(evm, msg, new(core.GasPool).AddGas(tx.Gas()))
-			if _, err = st.TransitionDb(); err != nil {
+			vmRet, err := core.ApplyMessage(evm, msg, new(core.GasPool).AddGas(tx.Gas()))
+			if err != nil {
 				t.Fatalf("failed to execute transaction: %v", err)
 			}
-			// Retrieve the trace result and compare against the etalon
+			// Retrieve the trace result and compare against the expected.
 			res, err := tracer.GetResult()
 			if err != nil {
 				t.Fatalf("failed to retrieve trace result: %v", err)
 			}
-			ret := new(callTrace)
-			if err := json.Unmarshal(res, ret); err != nil {
-				t.Fatalf("failed to unmarshal trace result: %v", err)
+			// The legacy javascript calltracer marshals json in js, which
+			// is not deterministic (as opposed to the golang json encoder).
+			if isLegacy {
+				// This is a tweak to make it deterministic. Can be removed when
+				// we remove the legacy tracer.
+				var x callTrace
+				json.Unmarshal(res, &x)
+				res, _ = json.Marshal(x)
 			}
-
-			if !jsonEqual(ret, test.Result) {
-				// uncomment this for easier debugging
-				//have, _ := json.MarshalIndent(ret, "", " ")
-				//want, _ := json.MarshalIndent(test.Result, "", " ")
-				//t.Fatalf("trace mismatch: \nhave %+v\nwant %+v", string(have), string(want))
-				t.Fatalf("trace mismatch: \nhave %+v\nwant %+v", ret, test.Result)
+			want, err := json.Marshal(test.Result)
+			if err != nil {
+				t.Fatalf("failed to marshal test: %v", err)
+			}
+			if string(want) != string(res) {
+				t.Fatalf("trace mismatch\n have: %v\n want: %v\n", string(res), string(want))
+			}
+			// Sanity check: compare top call's gas used against vm result
+			type simpleResult struct {
+				GasUsed hexutil.Uint64
+			}
+			var topCall simpleResult
+			if err := json.Unmarshal(res, &topCall); err != nil {
+				t.Fatalf("failed to unmarshal top calls gasUsed: %v", err)
+			}
+			if uint64(topCall.GasUsed) != vmRet.UsedGas {
+				t.Fatalf("top call has invalid gasUsed. have: %d want: %d", topCall.GasUsed, vmRet.UsedGas)
 			}
 		})
 	}
 }
 
-// jsonEqual is similar to reflect.DeepEqual, but does a 'bounce' via json prior to
-// comparison
-func jsonEqual(x, y interface{}) bool {
-	xTrace := new(callTrace)
-	yTrace := new(callTrace)
-	if xj, err := json.Marshal(x); err == nil {
-		json.Unmarshal(xj, xTrace)
-	} else {
-		return false
-	}
-	if yj, err := json.Marshal(y); err == nil {
-		json.Unmarshal(yj, yTrace)
-	} else {
-		return false
-	}
-	return reflect.DeepEqual(xTrace, yTrace)
-}
-
-// camel converts a snake cased input string into a camel cased output.
-func camel(str string) string {
-	pieces := strings.Split(str, "_")
-	for i := 1; i < len(pieces); i++ {
-		pieces[i] = string(unicode.ToUpper(rune(pieces[i][0]))) + pieces[i][1:]
-	}
-	return strings.Join(pieces, "")
-}
-
 func BenchmarkTracers(b *testing.B) {
 	files, err := os.ReadDir(filepath.Join("testdata", "call_tracer"))
 	if err != nil {
@@ -274,8 +232,8 @@ func benchTracer(tracerName string, test *callTracerTest, b *testing.B) {
 	if err := rlp.DecodeBytes(common.FromHex(test.Input), tx); err != nil {
 		b.Fatalf("failed to parse testcase input: %v", err)
 	}
-	signer := types.MakeSigner(test.Genesis.Config, new(big.Int).SetUint64(uint64(test.Context.Number)), new(big.Int).SetUint64(uint64(test.Context.Time)))
-	msg, err := tx.AsMessage(signer, nil)
+	signer := types.MakeSigner(test.Genesis.Config, new(big.Int).SetUint64(uint64(test.Context.Number)), uint64(test.Context.Time))
+	msg, err := core.TransactionToMessage(tx, signer, nil)
 	if err != nil {
 		b.Fatalf("failed to prepare transaction for tracing: %v", err)
 	}
@@ -289,7 +247,7 @@ func benchTracer(tracerName string, test *callTracerTest, b *testing.B) {
 		Transfer:    core.Transfer,
 		Coinbase:    test.Context.Miner,
 		BlockNumber: new(big.Int).SetUint64(uint64(test.Context.Number)),
-		Time:        new(big.Int).SetUint64(uint64(test.Context.Time)),
+		Time:        uint64(test.Context.Time),
 		Difficulty:  (*big.Int)(test.Context.Difficulty),
 		GasLimit:    uint64(test.Context.GasLimit),
 	}
@@ -298,7 +256,7 @@ func benchTracer(tracerName string, test *callTracerTest, b *testing.B) {
 	b.ReportAllocs()
 	b.ResetTimer()
 	for i := 0; i < b.N; i++ {
-		tracer, err := tracers.New(tracerName, new(tracers.Context), nil)
+		tracer, err := tracers.DefaultDirectory.New(tracerName, new(tracers.Context), nil)
 		if err != nil {
 			b.Fatalf("failed to create call tracer: %v", err)
 		}
@@ -343,7 +301,7 @@ func TestZeroValueToNotExitCall(t *testing.T) {
 		Transfer:    core.Transfer,
 		Coinbase:    common.Address{},
 		BlockNumber: new(big.Int).SetUint64(8000000),
-		Time:        new(big.Int).SetUint64(5),
+		Time:        5,
 		Difficulty:  big.NewInt(0x30000),
 		GasLimit:    uint64(6000000),
 	}
@@ -364,12 +322,12 @@ func TestZeroValueToNotExitCall(t *testing.T) {
 	}
 	_, statedb := tests.MakePreState(rawdb.NewMemoryDatabase(), alloc, false)
 	// Create the tracer, the EVM environment and run it
-	tracer, err := tracers.New("callTracer", nil, nil)
+	tracer, err := tracers.DefaultDirectory.New("callTracer", nil, nil)
 	if err != nil {
 		t.Fatalf("failed to create call tracer: %v", err)
 	}
 	evm := vm.NewEVM(context, txContext, statedb, params.TestPreSubnetEVMConfig, vm.Config{Debug: true, Tracer: tracer})
-	msg, err := tx.AsMessage(signer, nil)
+	msg, err := core.TransactionToMessage(tx, signer, nil)
 	if err != nil {
 		t.Fatalf("failed to prepare transaction for tracing: %v", err)
 	}
@@ -382,14 +340,8 @@ func TestZeroValueToNotExitCall(t *testing.T) {
 	if err != nil {
 		t.Fatalf("failed to retrieve trace result: %v", err)
 	}
-	have := new(callTrace)
-	if err := json.Unmarshal(res, have); err != nil {
-		t.Fatalf("failed to unmarshal trace result: %v", err)
-	}
-	wantStr := `{"type":"CALL","from":"0x682a80a6f560eec50d54e63cbeda1c324c5f8d1b","to":"0x00000000000000000000000000000000deadbeef","value":"0x0","gas":"0x7148","gasUsed":"0x2d0","input":"0x","output":"0x","calls":[{"type":"CALL","from":"0x00000000000000000000000000000000deadbeef","to":"0x00000000000000000000000000000000000000ff","value":"0x0","gas":"0x6cbf","gasUsed":"0x0","input":"0x","output":"0x"}]}`
-	want := new(callTrace)
-	json.Unmarshal([]byte(wantStr), want)
-	if !jsonEqual(have, want) {
-		t.Error("have != want")
+	wantStr := `{"from":"0x682a80a6f560eec50d54e63cbeda1c324c5f8d1b","gas":"0x7148","gasUsed":"0x54d8","to":"0x00000000000000000000000000000000deadbeef","input":"0x","calls":[{"from":"0x00000000000000000000000000000000deadbeef","gas":"0x6cbf","gasUsed":"0x0","to":"0x00000000000000000000000000000000000000ff","input":"0x","value":"0x0","type":"CALL"}],"value":"0x0","type":"CALL"}`
+	if string(res) != wantStr {
+		t.Fatalf("trace mismatch\n have: %v\n want: %v\n", string(res), wantStr)
 	}
 }
diff --git a/eth/tracers/internal/tracetest/flat_calltrace_test.go b/eth/tracers/internal/tracetest/flat_calltrace_test.go
new file mode 100644
index 0000000000..db5a1d6d67
--- /dev/null
+++ b/eth/tracers/internal/tracetest/flat_calltrace_test.go
@@ -0,0 +1,222 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+package tracetest
+
+import (
+	"encoding/json"
+	"fmt"
+	"math/big"
+	"os"
+	"path/filepath"
+	"reflect"
+	"strings"
+	"testing"
+
+	"github.com/ava-labs/subnet-evm/core"
+	"github.com/ava-labs/subnet-evm/core/rawdb"
+	"github.com/ava-labs/subnet-evm/core/types"
+	"github.com/ava-labs/subnet-evm/core/vm"
+	"github.com/ava-labs/subnet-evm/tests"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/ethereum/go-ethereum/rlp"
+
+	// Force-load the native, to trigger registration
+	"github.com/ava-labs/subnet-evm/eth/tracers"
+)
+
+// flatCallTrace is the result of a callTracerParity run.
+type flatCallTrace struct {
+	Action              flatCallTraceAction `json:"action"`
+	BlockHash           common.Hash         `json:"-"`
+	BlockNumber         uint64              `json:"-"`
+	Error               string              `json:"error,omitempty"`
+	Result              flatCallTraceResult `json:"result,omitempty"`
+	Subtraces           int                 `json:"subtraces"`
+	TraceAddress        []int               `json:"traceAddress"`
+	TransactionHash     common.Hash         `json:"-"`
+	TransactionPosition uint64              `json:"-"`
+	Type                string              `json:"type"`
+	Time                string              `json:"-"`
+}
+
+type flatCallTraceAction struct {
+	Author         common.Address `json:"author,omitempty"`
+	RewardType     string         `json:"rewardType,omitempty"`
+	SelfDestructed common.Address `json:"address,omitempty"`
+	Balance        hexutil.Big    `json:"balance,omitempty"`
+	CallType       string         `json:"callType,omitempty"`
+	CreationMethod string         `json:"creationMethod,omitempty"`
+	From           common.Address `json:"from,omitempty"`
+	Gas            hexutil.Uint64 `json:"gas,omitempty"`
+	Init           hexutil.Bytes  `json:"init,omitempty"`
+	Input          hexutil.Bytes  `json:"input,omitempty"`
+	RefundAddress  common.Address `json:"refundAddress,omitempty"`
+	To             common.Address `json:"to,omitempty"`
+	Value          hexutil.Big    `json:"value,omitempty"`
+}
+
+type flatCallTraceResult struct {
+	Address common.Address `json:"address,omitempty"`
+	Code    hexutil.Bytes  `json:"code,omitempty"`
+	GasUsed hexutil.Uint64 `json:"gasUsed,omitempty"`
+	Output  hexutil.Bytes  `json:"output,omitempty"`
+}
+
+// flatCallTracerTest defines a single test to check the call tracer against.
+type flatCallTracerTest struct {
+	Genesis      core.Genesis    `json:"genesis"`
+	Context      callContext     `json:"context"`
+	Input        string          `json:"input"`
+	TracerConfig json.RawMessage `json:"tracerConfig"`
+	Result       []flatCallTrace `json:"result"`
+}
+
+func flatCallTracerTestRunner(tracerName string, filename string, dirPath string, t testing.TB) error {
+	// Call tracer test found, read if from disk
+	blob, err := os.ReadFile(filepath.Join("testdata", dirPath, filename))
+	if err != nil {
+		return fmt.Errorf("failed to read testcase: %v", err)
+	}
+	test := new(flatCallTracerTest)
+	if err := json.Unmarshal(blob, test); err != nil {
+		return fmt.Errorf("failed to parse testcase: %v", err)
+	}
+	// Configure a blockchain with the given prestate
+	tx := new(types.Transaction)
+	if err := rlp.DecodeBytes(common.FromHex(test.Input), tx); err != nil {
+		return fmt.Errorf("failed to parse testcase input: %v", err)
+	}
+	signer := types.MakeSigner(test.Genesis.Config, new(big.Int).SetUint64(uint64(test.Context.Number)), uint64(test.Context.Time))
+	origin, _ := signer.Sender(tx)
+	txContext := vm.TxContext{
+		Origin:   origin,
+		GasPrice: tx.GasPrice(),
+	}
+	context := vm.BlockContext{
+		CanTransfer: core.CanTransfer,
+		Transfer:    core.Transfer,
+		Coinbase:    test.Context.Miner,
+		BlockNumber: new(big.Int).SetUint64(uint64(test.Context.Number)),
+		Time:        uint64(test.Context.Time),
+		Difficulty:  (*big.Int)(test.Context.Difficulty),
+		GasLimit:    uint64(test.Context.GasLimit),
+	}
+	_, statedb := tests.MakePreState(rawdb.NewMemoryDatabase(), test.Genesis.Alloc, false)
+
+	// Create the tracer, the EVM environment and run it
+	tracer, err := tracers.DefaultDirectory.New(tracerName, new(tracers.Context), test.TracerConfig)
+	if err != nil {
+		return fmt.Errorf("failed to create call tracer: %v", err)
+	}
+	evm := vm.NewEVM(context, txContext, statedb, test.Genesis.Config, vm.Config{Debug: true, Tracer: tracer})
+
+	msg, err := core.TransactionToMessage(tx, signer, nil)
+	if err != nil {
+		return fmt.Errorf("failed to prepare transaction for tracing: %v", err)
+	}
+	st := core.NewStateTransition(evm, msg, new(core.GasPool).AddGas(tx.Gas()))
+
+	if _, err = st.TransitionDb(); err != nil {
+		return fmt.Errorf("failed to execute transaction: %v", err)
+	}
+
+	// Retrieve the trace result and compare against the etalon
+	res, err := tracer.GetResult()
+	if err != nil {
+		return fmt.Errorf("failed to retrieve trace result: %v", err)
+	}
+	ret := new([]flatCallTrace)
+	if err := json.Unmarshal(res, ret); err != nil {
+		return fmt.Errorf("failed to unmarshal trace result: %v", err)
+	}
+	if !jsonEqualFlat(ret, test.Result) {
+		t.Logf("tracer name: %s", tracerName)
+
+		// uncomment this for easier debugging
+		// have, _ := json.MarshalIndent(ret, "", " ")
+		// want, _ := json.MarshalIndent(test.Result, "", " ")
+		// t.Logf("trace mismatch: \nhave %+v\nwant %+v", string(have), string(want))
+
+		// uncomment this for harder debugging <3 meowsbits
+		// lines := deep.Equal(ret, test.Result)
+		// for _, l := range lines {
+		// 	t.Logf("%s", l)
+		// 	t.FailNow()
+		// }
+
+		t.Fatalf("trace mismatch: \nhave %+v\nwant %+v", ret, test.Result)
+	}
+	return nil
+}
+
+// Iterates over all the input-output datasets in the tracer parity test harness and
+// runs the Native tracer against them.
+func TestFlatCallTracerNative(t *testing.T) {
+	testFlatCallTracer("flatCallTracer", "call_tracer_flat", t)
+}
+
+func testFlatCallTracer(tracerName string, dirPath string, t *testing.T) {
+	files, err := os.ReadDir(filepath.Join("testdata", dirPath))
+	if err != nil {
+		t.Fatalf("failed to retrieve tracer test suite: %v", err)
+	}
+	for _, file := range files {
+		if !strings.HasSuffix(file.Name(), ".json") {
+			continue
+		}
+		file := file // capture range variable
+		t.Run(camel(strings.TrimSuffix(file.Name(), ".json")), func(t *testing.T) {
+			t.Parallel()
+
+			err := flatCallTracerTestRunner(tracerName, file.Name(), dirPath, t)
+			if err != nil {
+				t.Fatal(err)
+			}
+		})
+	}
+}
+
+// jsonEqual is similar to reflect.DeepEqual, but does a 'bounce' via json prior to
+// comparison
+func jsonEqualFlat(x, y interface{}) bool {
+	xTrace := new([]flatCallTrace)
+	yTrace := new([]flatCallTrace)
+	if xj, err := json.Marshal(x); err == nil {
+		json.Unmarshal(xj, xTrace)
+	} else {
+		return false
+	}
+	if yj, err := json.Marshal(y); err == nil {
+		json.Unmarshal(yj, yTrace)
+	} else {
+		return false
+	}
+	return reflect.DeepEqual(xTrace, yTrace)
+}
+
+func BenchmarkFlatCallTracer(b *testing.B) {
+	files, err := filepath.Glob("testdata/call_tracer_flat/*.json")
+	if err != nil {
+		b.Fatalf("failed to read testdata: %v", err)
+	}
+
+	for _, file := range files {
+		filename := strings.TrimPrefix(file, "testdata/call_tracer_flat/")
+		b.Run(camel(strings.TrimSuffix(filename, ".json")), func(b *testing.B) {
+			for n := 0; n < b.N; n++ {
+				err := flatCallTracerTestRunner("flatCallTracer", filename, "call_tracer_flat", b)
+				if err != nil {
+					b.Fatal(err)
+				}
+			}
+		})
+	}
+}
diff --git a/eth/tracers/internal/tracetest/prestate_test.go b/eth/tracers/internal/tracetest/prestate_test.go
new file mode 100644
index 0000000000..a6008ff284
--- /dev/null
+++ b/eth/tracers/internal/tracetest/prestate_test.go
@@ -0,0 +1,160 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2021 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package tracetest
+
+import (
+	"encoding/json"
+	"math/big"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"github.com/ava-labs/subnet-evm/core"
+	"github.com/ava-labs/subnet-evm/core/rawdb"
+	"github.com/ava-labs/subnet-evm/core/types"
+	"github.com/ava-labs/subnet-evm/core/vm"
+	"github.com/ava-labs/subnet-evm/eth/tracers"
+	"github.com/ava-labs/subnet-evm/tests"
+	"github.com/ethereum/go-ethereum/common"
+)
+
+// prestateTrace is the result of a prestateTrace run.
+type prestateTrace = map[common.Address]*account
+
+type account struct {
+	Balance string                      `json:"balance"`
+	Code    string                      `json:"code"`
+	Nonce   uint64                      `json:"nonce"`
+	Storage map[common.Hash]common.Hash `json:"storage"`
+}
+
+// testcase defines a single test to check the stateDiff tracer against.
+type testcase struct {
+	Genesis      *core.Genesis   `json:"genesis"`
+	Context      *callContext    `json:"context"`
+	Input        string          `json:"input"`
+	TracerConfig json.RawMessage `json:"tracerConfig"`
+	Result       interface{}     `json:"result"`
+}
+
+func TestPrestateTracerLegacy(t *testing.T) {
+	testPrestateDiffTracer("prestateTracerLegacy", "prestate_tracer_legacy", t)
+}
+
+func TestPrestateTracer(t *testing.T) {
+	testPrestateDiffTracer("prestateTracer", "prestate_tracer", t)
+}
+
+func TestPrestateWithDiffModeTracer(t *testing.T) {
+	testPrestateDiffTracer("prestateTracer", "prestate_tracer_with_diff_mode", t)
+}
+
+func testPrestateDiffTracer(tracerName string, dirPath string, t *testing.T) {
+	files, err := os.ReadDir(filepath.Join("testdata", dirPath))
+	if err != nil {
+		t.Fatalf("failed to retrieve tracer test suite: %v", err)
+	}
+	for _, file := range files {
+		if !strings.HasSuffix(file.Name(), ".json") {
+			continue
+		}
+		file := file // capture range variable
+		t.Run(camel(strings.TrimSuffix(file.Name(), ".json")), func(t *testing.T) {
+			t.Parallel()
+
+			var (
+				test = new(testcase)
+				tx   = new(types.Transaction)
+			)
+			// Call tracer test found, read if from disk
+			if blob, err := os.ReadFile(filepath.Join("testdata", dirPath, file.Name())); err != nil {
+				t.Fatalf("failed to read testcase: %v", err)
+			} else if err := json.Unmarshal(blob, test); err != nil {
+				t.Fatalf("failed to parse testcase: %v", err)
+			}
+			if err := tx.UnmarshalBinary(common.FromHex(test.Input)); err != nil {
+				t.Fatalf("failed to parse testcase input: %v", err)
+			}
+			// Configure a blockchain with the given prestate
+			var (
+				blockNumber = new(big.Int).SetUint64(uint64(test.Context.Number))
+				signer      = types.MakeSigner(test.Genesis.Config, blockNumber, uint64(test.Context.Time))
+				origin, _   = signer.Sender(tx)
+				txContext   = vm.TxContext{
+					Origin:   origin,
+					GasPrice: tx.GasPrice(),
+				}
+				context = vm.BlockContext{
+					CanTransfer: core.CanTransfer,
+					Transfer:    core.Transfer,
+					Coinbase:    test.Context.Miner,
+					BlockNumber: blockNumber,
+					Time:        uint64(test.Context.Time),
+					Difficulty:  (*big.Int)(test.Context.Difficulty),
+					GasLimit:    uint64(test.Context.GasLimit),
+					BaseFee:     test.Genesis.BaseFee,
+				}
+				_, statedb = tests.MakePreState(rawdb.NewMemoryDatabase(), test.Genesis.Alloc, false)
+			)
+			tracer, err := tracers.DefaultDirectory.New(tracerName, new(tracers.Context), test.TracerConfig)
+			if err != nil {
+				t.Fatalf("failed to create call tracer: %v", err)
+			}
+			evm := vm.NewEVM(context, txContext, statedb, test.Genesis.Config, vm.Config{Debug: true, Tracer: tracer})
+			msg, err := core.TransactionToMessage(tx, signer, nil)
+			if err != nil {
+				t.Fatalf("failed to prepare transaction for tracing: %v", err)
+			}
+			st := core.NewStateTransition(evm, msg, new(core.GasPool).AddGas(tx.Gas()))
+			if _, err = st.TransitionDb(); err != nil {
+				t.Fatalf("failed to execute transaction: %v", err)
+			}
+			// Retrieve the trace result and compare against the expected
+			res, err := tracer.GetResult()
+			if err != nil {
+				t.Fatalf("failed to retrieve trace result: %v", err)
+			}
+			// The legacy javascript calltracer marshals json in js, which
+			// is not deterministic (as opposed to the golang json encoder).
+			if strings.HasSuffix(dirPath, "_legacy") {
+				// This is a tweak to make it deterministic. Can be removed when
+				// we remove the legacy tracer.
+				var x prestateTrace
+				json.Unmarshal(res, &x)
+				res, _ = json.Marshal(x)
+			}
+			want, err := json.Marshal(test.Result)
+			if err != nil {
+				t.Fatalf("failed to marshal test: %v", err)
+			}
+			if string(want) != string(res) {
+				t.Fatalf("trace mismatch\n have: %v\n want: %v\n", string(res), string(want))
+			}
+		})
+	}
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer/create.json b/eth/tracers/internal/tracetest/testdata/call_tracer/create.json
index 79c0784c97..bde5633a54 100644
--- a/eth/tracers/internal/tracetest/testdata/call_tracer/create.json
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer/create.json
@@ -47,7 +47,7 @@
   "result": {
     "from": "0x13e4acefe6a6700604929946e70e6443e4e73447",
     "gas": "0x5e106",
-    "gasUsed": "0x5e106",
+    "gasUsed": "0x897be",
     "input": "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",
     "output": "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",
     "to": "0x7dc9c9730689ff0b0fd506c67db815f12d90a448",
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer/deep_calls.json b/eth/tracers/internal/tracetest/testdata/call_tracer/deep_calls.json
index 62d001ed36..d7a69b2f86 100644
--- a/eth/tracers/internal/tracetest/testdata/call_tracer/deep_calls.json
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer/deep_calls.json
@@ -262,7 +262,6 @@
                 "gas": "0x20ee1",
                 "gasUsed": "0x5374",
                 "input": "0x581d5d60000000000000000000000000c212e03b9e060e36facad5fd8f4435412ca22e6b0000000000000000000000000000000000000000000000280faf689c35ac0000",
-                "output": "0x",
                 "to": "0xcf00ffd997ad14939736f026006498e3f099baaf",
                 "type": "CALL",
                 "value": "0x0"
@@ -304,7 +303,6 @@
                 "gas": "0x1a91d",
                 "gasUsed": "0x12fa",
                 "input": "0x0accce0600000000000000000000000000000000000000000000000000000000000000025842545553440000000000000000000000000000000000000000000000000000000000000000000000000000c212e03b9e060e36facad5fd8f4435412ca22e6b00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
-                "output": "0x",
                 "to": "0x2a98c5f40bfa3dee83431103c535f6fae9a8ad38",
                 "type": "CALL",
                 "value": "0x0"
@@ -376,7 +374,6 @@
                 "gas": "0x16e62",
                 "gasUsed": "0xebb",
                 "input": "0x645a3b72584254555344000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002816d180e30c390000",
-                "output": "0x",
                 "to": "0x2a98c5f40bfa3dee83431103c535f6fae9a8ad38",
                 "type": "CALL",
                 "value": "0x0"
@@ -386,7 +383,6 @@
             "gas": "0x283b9",
             "gasUsed": "0xc51c",
             "input": "0x949ae479000000000000000000000000c212e03b9e060e36facad5fd8f4435412ca22e6b0000000000000000000000000000000000000000000000280faf689c35ac0000",
-            "output": "0x",
             "to": "0x3e9286eafa2db8101246c2131c09b49080d00690",
             "type": "CALL",
             "value": "0x0"
@@ -396,7 +392,6 @@
         "gas": "0x30b4a",
         "gasUsed": "0xedb7",
         "input": "0x51a34eb80000000000000000000000000000000000000000000000280faf689c35ac0000",
-        "output": "0x",
         "to": "0xb4fe7aa695b326c9d219158d2ca50db77b39f99f",
         "type": "CALL",
         "value": "0x0"
@@ -404,9 +399,8 @@
     ],
     "from": "0x70c9217d814985faef62b124420f8dfbddd96433",
     "gas": "0x37b38",
-    "gasUsed": "0x12bb3",
+    "gasUsed": "0x1810b",
     "input": "0x51a34eb80000000000000000000000000000000000000000000000280faf689c35ac0000",
-    "output": "0x",
     "to": "0xc212e03b9e060e36facad5fd8f4435412ca22e6b",
     "type": "CALL",
     "value": "0x0"
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer/delegatecall.json b/eth/tracers/internal/tracetest/testdata/call_tracer/delegatecall.json
index b1e1547531..f4222644ea 100644
--- a/eth/tracers/internal/tracetest/testdata/call_tracer/delegatecall.json
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer/delegatecall.json
@@ -71,7 +71,8 @@
             "input": "0x7d65837a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a529806c67cc6486d4d62024471772f47f6fd672",
             "output": "0x0000000000000000000000000000000000000000000000000000000000000001",
             "to": "0x42b02b5deeb78f34cd5ac896473b63e6c99a71a2",
-            "type": "DELEGATECALL"
+            "type": "DELEGATECALL",
+            "value": "0x0"
           }
         ],
         "from": "0x269296dddce321a6bcbaa2f0181127593d732cba",
@@ -86,9 +87,8 @@
     ],
     "from": "0xa529806c67cc6486d4d62024471772f47f6fd672",
     "gas": "0x2d6e28",
-    "gasUsed": "0x64bd",
+    "gasUsed": "0xbd55",
     "input": "0x7065cb480000000000000000000000001523e55a1ca4efbae03355775ae89f8d7699ad9e",
-    "output": "0x",
     "to": "0x269296dddce321a6bcbaa2f0181127593d732cba",
     "type": "CALL",
     "value": "0x0"
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer/inner_create_oog_outer_throw.json b/eth/tracers/internal/tracetest/testdata/call_tracer/inner_create_oog_outer_throw.json
index 0fe93c3327..488a7c341f 100644
--- a/eth/tracers/internal/tracetest/testdata/call_tracer/inner_create_oog_outer_throw.json
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer/inner_create_oog_outer_throw.json
@@ -67,7 +67,7 @@
     "error": "invalid jump destination",
     "from": "0xe4a13bc304682a903e9472f469c33801dd18d9e8",
     "gas": "0x435c8",
-    "gasUsed": "0x435c8",
+    "gasUsed": "0x493e0",
     "input": "0x3b91f506000000000000000000000000a14bdd7e5666d784dcce98ad24d383a6b1cd4182000000000000000000000000e4a13bc304682a903e9472f469c33801dd18d9e8",
     "to": "0x1d3ddf7caf024f253487e18bc4a15b1a360c170a",
     "type": "CALL",
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer/inner_instafail.json b/eth/tracers/internal/tracetest/testdata/call_tracer/inner_instafail.json
index 62aa0164da..a776558984 100644
--- a/eth/tracers/internal/tracetest/testdata/call_tracer/inner_instafail.json
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer/inner_instafail.json
@@ -54,9 +54,7 @@
     "to": "0x6c06b16512b332e6cd8293a2974872674716ce18",
     "value": "0x0",
     "gas": "0x1a466",
-    "gasUsed": "0x1dc6",
-    "input": "0x2e1a7d4d00000000000000000000000000000000000000000000000014d1120d7b160000",
-    "output": "0x",
-    "calls": []
+    "gasUsed": "0x72de",
+    "input": "0x2e1a7d4d00000000000000000000000000000000000000000000000014d1120d7b160000"
   }
 }
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer/inner_revert_reason.json b/eth/tracers/internal/tracetest/testdata/call_tracer/inner_revert_reason.json
new file mode 100644
index 0000000000..ad50c7baba
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer/inner_revert_reason.json
@@ -0,0 +1,82 @@
+{
+  "genesis": {
+    "baseFeePerGas": "1000000000",
+    "difficulty": "1",
+    "extraData": "0x00000000000000000000000000000000000000000000000000000000000000003623191d4ccfbbdf09e8ebf6382a1f8257417bc10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+    "gasLimit": "11500000",
+    "hash": "0x2af138b8a06e65b8dd0999df70b9e87609e9fc91ea201f08b1cc4f25ef01fcf6",
+    "miner": "0x0000000000000000000000000000000000000000",
+    "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+    "nonce": "0x0000000000000000",
+    "number": "0",
+    "stateRoot": "0xa775801d572e9b79585eb131d18d79f8a0f71895455ab9a5b656911428e11708",
+    "timestamp": "0",
+    "totalDifficulty": "1",
+    "alloc": {
+      "0x3623191d4ccfbbdf09e8ebf6382a1f8257417bc1": {
+        "balance": "0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7"
+      },
+      "0xd15abca351f79181dedfb6d019e382db90f3628a": {
+        "balance": "0x0"
+      }
+    },
+    "config": {
+      "chainId": 1337,
+      "homesteadBlock": 0,
+      "eip150Block": 0,
+      "eip150Hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+      "eip155Block": 0,
+      "eip158Block": 0,
+      "byzantiumBlock": 0,
+      "constantinopleBlock": 0,
+      "petersburgBlock": 0,
+      "istanbulBlock": 0,
+      "muirGlacierBlock": 0,
+      "berlinBlock": 0,
+      "londonBlock": 0,
+      "subnetEVMTimestamp": 0
+    }
+  },
+  "context": {
+    "number": "1",
+    "difficulty": "2",
+    "timestamp": "1665537018",
+    "gasLimit": "11511229",
+    "miner": "0x0000000000000000000000000000000000000000"
+  },
+  "input": "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",
+  "result": {
+    "from": "0x3623191d4ccfbbdf09e8ebf6382a1f8257417bc1",
+    "gas": "0x2cd774",
+    "gasUsed": "0x25590",
+    "input": "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",
+    "output": "0x08c379a000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000012546869732063616c6c6564206661696c65640000000000000000000000000000",
+    "error": "execution reverted",
+    "revertReason": "This called failed",
+    "calls": [
+      {
+        "from": "0xdebfb4b387033eac57af7b3de5116dd60056803b",
+        "gas": "0x2ba851",
+        "gasUsed": "0xe557",
+        "to": "0xd15abca351f79181dedfb6d019e382db90f3628a",
+        "input": "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",
+        "output": "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",
+        "value": "0x0",
+        "type": "CREATE"
+      },
+      {
+        "from": "0xdebfb4b387033eac57af7b3de5116dd60056803b",
+        "gas": "0x2ac548",
+        "gasUsed": "0x1b2",
+        "to": "0xd15abca351f79181dedfb6d019e382db90f3628a",
+        "input": "0xc0406226",
+        "output": "0x08c379a000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000012546869732063616c6c6564206661696c65640000000000000000000000000000",
+        "error": "execution reverted",
+        "revertReason": "This called failed",
+        "type": "STATICCALL"
+      }
+    ],
+    "value": "0x0",
+    "type": "CREATE"
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer/inner_throw_outer_revert.json b/eth/tracers/internal/tracetest/testdata/call_tracer/inner_throw_outer_revert.json
index 4cb06ad63d..dd968059f6 100644
--- a/eth/tracers/internal/tracetest/testdata/call_tracer/inner_throw_outer_revert.json
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer/inner_throw_outer_revert.json
@@ -71,7 +71,7 @@
     "error": "execution reverted",
     "from": "0xd4fcab9f0a6dc0493af47c864f6f17a8a5e2e826",
     "gas": "0x78d9e",
-    "gasUsed": "0x76fc0",
+    "gasUsed": "0x7c1c8",
     "input": "0x",
     "to": "0x33056b5dcac09a9b4becad0e1dcf92c19bd0af76",
     "type": "CALL",
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer/inner_throw_outer_revert.md b/eth/tracers/internal/tracetest/testdata/call_tracer/inner_throw_outer_revert.md
new file mode 100644
index 0000000000..2700578bd0
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer/inner_throw_outer_revert.md
@@ -0,0 +1,19 @@
+This test tests out the trace generated by the deployment of this contract:
+
+```solidity
+contract Revertor {
+    function run() public pure {
+        require(2 > 3, "This called failed");
+    }
+}
+
+contract Contract {
+    constructor() {
+        Revertor r = new Revertor();
+        r.run();
+    }
+}
+```
+
+The trace should show a revert, with the revert reason for both the top-call as well
+as the inner call.
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer/oog.json b/eth/tracers/internal/tracetest/testdata/call_tracer/oog.json
index 3f7330d8f9..f1725c6a0c 100644
--- a/eth/tracers/internal/tracetest/testdata/call_tracer/oog.json
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer/oog.json
@@ -50,7 +50,7 @@
     "error": "out of gas",
     "from": "0x94194bc2aaf494501d7880b61274a169f6502a54",
     "gas": "0x7045",
-    "gasUsed": "0x7045",
+    "gasUsed": "0xca1d",
     "input": "0xa9059cbb000000000000000000000000e77b1ac803616503510bed0086e3a7be2627a69900000000000000000000000000000000000000000000000000000009502f9000",
     "to": "0x43064693d3d38ad6a7cb579e0d6d9718c8aa6b62",
     "type": "CALL",
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer/revert.json b/eth/tracers/internal/tracetest/testdata/call_tracer/revert.json
index 07e882761c..9c83506e05 100644
--- a/eth/tracers/internal/tracetest/testdata/call_tracer/revert.json
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer/revert.json
@@ -48,7 +48,7 @@
     "error": "execution reverted",
     "from": "0x0f6cef2b7fbb504782e35aa82a2207e816a2b7a9",
     "gas": "0x2d55e8",
-    "gasUsed": "0xc3",
+    "gasUsed": "0x719b",
     "input": "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",
     "to": "0xabbcd5b340c80b5f1c0545c04c987b87310296ae",
     "type": "CALL",
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer/revert_reason.json b/eth/tracers/internal/tracetest/testdata/call_tracer/revert_reason.json
index 4d28cc7921..8102968b4e 100644
--- a/eth/tracers/internal/tracetest/testdata/call_tracer/revert_reason.json
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer/revert_reason.json
@@ -53,11 +53,12 @@
     "error": "execution reverted",
     "from": "0xf7579c3d8a669c89d5ed246a22eb6db8f6fedbf1",
     "gas": "0x2d7308",
-    "gasUsed": "0x588",
+    "gasUsed": "0x5940",
     "input": "0x5c19a95c000000000000000000000000f7579c3d8a669c89d5ed246a22eb6db8f6fedbf1",
     "to": "0xf58833cf0c791881b494eb79d461e08a1f043f52",
     "type": "CALL",
     "value": "0x0",
-    "output": "0x08c379a00000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001e53656c662d64656c65676174696f6e20697320646973616c6c6f7765642e0000"
+    "output": "0x08c379a00000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001e53656c662d64656c65676174696f6e20697320646973616c6c6f7765642e0000",
+    "revertReason": "Self-delegation is disallowed."
   }
 }
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer/selfdestruct.json b/eth/tracers/internal/tracetest/testdata/call_tracer/selfdestruct.json
index aaa9bb37ee..6a8c2ba3f5 100644
--- a/eth/tracers/internal/tracetest/testdata/call_tracer/selfdestruct.json
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer/selfdestruct.json
@@ -57,16 +57,15 @@
         "gas": "0x0",
         "gasUsed": "0x0",
         "input": "0x",
-        "to": "0x000000000000000000000000000000000000dEaD",
+        "to": "0x000000000000000000000000000000000000dead",
         "type": "SELFDESTRUCT",
         "value": "0x4d87094125a369d9bd5"
       }
     ],
     "from": "0xb436ba50d378d4bbc8660d312a13df6af6e89dfb",
     "gas": "0x10738",
-    "gasUsed": "0x7533",
+    "gasUsed": "0x6fcb",
     "input": "0x63e4bff40000000000000000000000000024f658a46fbb89d8ac105e98d7ac7cbbaf27c5",
-    "output": "0x",
     "to": "0x3b873a919aa0512d5a0f09e6dcceaa4a6727fafe",
     "type": "CALL",
     "value": "0x0"
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer/simple.json b/eth/tracers/internal/tracetest/testdata/call_tracer/simple.json
index 21a4a59b6b..85e402d325 100644
--- a/eth/tracers/internal/tracetest/testdata/call_tracer/simple.json
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer/simple.json
@@ -69,7 +69,7 @@
     ],
     "from": "0xb436ba50d378d4bbc8660d312a13df6af6e89dfb",
     "gas": "0x10738",
-    "gasUsed": "0x3ef9",
+    "gasUsed": "0x9751",
     "input": "0x63e4bff40000000000000000000000000024f658a46fbb89d8ac105e98d7ac7cbbaf27c5",
     "output": "0x0000000000000000000000000000000000000000000000000000000000000001",
     "to": "0x3b873a919aa0512d5a0f09e6dcceaa4a6727fafe",
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer/simple_onlytop.json b/eth/tracers/internal/tracetest/testdata/call_tracer/simple_onlytop.json
index ac1fef4409..5e25a01cef 100644
--- a/eth/tracers/internal/tracetest/testdata/call_tracer/simple_onlytop.json
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer/simple_onlytop.json
@@ -62,7 +62,7 @@
   "result": {
     "from": "0xb436ba50d378d4bbc8660d312a13df6af6e89dfb",
     "gas": "0x10738",
-    "gasUsed": "0x3ef9",
+    "gasUsed": "0x9751",
     "input": "0x63e4bff40000000000000000000000000024f658a46fbb89d8ac105e98d7ac7cbbaf27c5",
     "output": "0x0000000000000000000000000000000000000000000000000000000000000001",
     "to": "0x3b873a919aa0512d5a0f09e6dcceaa4a6727fafe",
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer/throw.json b/eth/tracers/internal/tracetest/testdata/call_tracer/throw.json
index a7fe2446ea..01d7a55291 100644
--- a/eth/tracers/internal/tracetest/testdata/call_tracer/throw.json
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer/throw.json
@@ -52,7 +52,7 @@
     "error": "invalid jump destination",
     "from": "0x70c9217d814985faef62b124420f8dfbddd96433",
     "gas": "0x37b38",
-    "gasUsed": "0x37b38",
+    "gasUsed": "0x3d090",
     "input": "0x51a34eb8000000000000000000000000000000000000000000000027fad02094277c0000",
     "to": "0xc212e03b9e060e36facad5fd8f4435412ca22e6b",
     "type": "CALL",
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/big_slow.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/big_slow.json
new file mode 100644
index 0000000000..e54ede92b0
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/big_slow.json
@@ -0,0 +1,64 @@
+{
+  "genesis": {
+    "difficulty": "50486697699375",
+    "extraData": "0xd783010406844765746887676f312e362e32856c696e7578",
+    "gasLimit": "4788482",
+    "hash": "0xf6bbc5bbe34d5c93fd5b4712cd498d1026b8b0f586efefe7fe30231ed6b8a1a5",
+    "miner": "0xbcdfc35b86bedf72f0cda046a3c16829a2ef41d1",
+    "mixHash": "0xabca93555584c0463ee5c212251dd002bb3a93a157e06614276f93de53d4fdb8",
+    "nonce": "0xa64136fcb9c2d4ca",
+    "number": "1719576",
+    "stateRoot": "0xab5eec2177a92d633e282936af66c46e24cfa8f2fdc2b8155f33885f483d06f3",
+    "timestamp": "1466150166",
+    "totalDifficulty": "28295412423546970038",
+    "alloc": {
+      "0xf8bda96b67036ee48107f2a0695ea673479dda56": {
+        "balance": "0x1529e844f9ecdeec",
+        "nonce": "33",
+        "code": "0x",
+        "storage": {}
+      }
+    },
+    "config": {
+      "chainId": 1,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 3000000,
+      "eip158Block": 0,
+      "ethash": {},
+      "homesteadBlock": 1150000,
+      "byzantiumBlock": 8772000,
+      "constantinopleBlock": 9573000,
+      "petersburgBlock": 10500839,
+      "istanbulBlock": 10500839
+    }
+  },
+  "context": {
+    "number": "1719577",
+    "difficulty": "50486697732143",
+    "timestamp": "1466150178",
+    "gasLimit": "4788484",
+    "miner": "0x2a65aca4d5fc5b5c859090a6c34d164135398226"
+  },
+  "input": "0xf874218504a817c800832318608080a35b620186a05a131560135760016020526000565b600080601f600039601f565b6000f31ba0575fa000a1f06659a7b6d3c7877601519a4997f04293f0dfa0eee6d8cd840c77a04c52ce50719ee2ff7a0c5753f4ee69c0340666f582dbb5148845a354ca726e4a",
+  "result": [
+    {
+      "action": {
+        "from": "0xf8bda96b67036ee48107f2a0695ea673479dda56",
+        "gas": "0x22410c",
+        "init": "0x5b620186a05a131560135760016020526000565b600080601f600039601f565b6000f3",
+        "value": "0x0"
+      },
+      "blockNumber": 1719577,
+      "result": {
+        "address": "0xb2e6a2546c45889427757171ab05b8b438525b42",
+        "code": "0x",
+        "gasUsed": "0x219202"
+      },
+      "subtraces": 0,
+      "traceAddress": [],
+      "type": "create"
+    }
+  ]
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/callcode_precompiled_fail_hide.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/callcode_precompiled_fail_hide.json
new file mode 100644
index 0000000000..be198885cb
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/callcode_precompiled_fail_hide.json
@@ -0,0 +1,74 @@
+{
+  "genesis": {
+    "difficulty": "4671584",
+    "extraData": "0xd683010b05846765746886676f312e3133856c696e7578",
+    "gasLimit": "9435026",
+    "hash": "0x755bd54de4b2f5a7a589a10d69888b4ead48a6311d5d69f2f69ca85ec35fbe0b",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+    "mixHash": "0x3a44525624571c31344ba57780f7664098fe7cbeafe532bcdee76a23fc474ba0",
+    "nonce": "0x6dca647c00c72bbf",
+    "number": "1555278",
+    "stateRoot": "0x5f56d8323ee384b0c8d1de49d63e150e17283eea813483698362bc0ec9e0242a",
+    "timestamp": "1590795319",
+    "totalDifficulty": "2242614315030",
+    "alloc": {
+      "0x0000000000000000000000000000000000000004": {
+        "balance": "0x0",
+        "nonce": "0",
+        "code": "0x",
+        "storage": {}
+      },
+      "0x877bd459c9b7d8576b44e59e09d076c25946f443": {
+        "balance": "0x62436e941792f02a5fb1",
+        "nonce": "265356",
+        "code": "0x",
+        "storage": {}
+      }
+    },
+    "config": {
+      "chainId": 63,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 0,
+      "eip158Block": 0,
+      "ethash": {},
+      "homesteadBlock": 0,
+      "byzantiumBlock": 0,
+      "constantinopleBlock": 301243,
+      "petersburgBlock": 999983,
+      "istanbulBlock": 999983
+    }
+  },
+  "context": {
+    "number": "1555279",
+    "difficulty": "4669303",
+    "timestamp": "1590795340",
+    "gasLimit": "9444238",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443"
+  },
+  "input": "0xf86f83040c8c843b9aca0083019f7880809b60206000600060006013600462030d40f26002556000516000550081a2a086ad228c89ad9664287b12a5602a635a803506904f4ce39795990ac4f945cd57a025b30ea8042d773f6c5b13d7cc1b3979f9f10ee674410b6a2112ce840d0302dc",
+  "result": [
+    {
+      "type": "create",
+      "action": {
+        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+        "value": "0x0",
+        "gas": "0xcf08",
+        "init": "0x60206000600060006013600462030d40f260025560005160005500"
+      },
+      "result": {
+        "gasUsed": "0xf3bc",
+        "code": "0x",
+        "address": "0x5f8a7e007172ba80afbff1b15f800eb0b260f224"
+      },
+      "traceAddress": [],
+      "subtraces": 0,
+      "transactionPosition": 74,
+      "transactionHash": "0x5ef60b27ac971c22a7d484e546e50093ca62300c8986d165154e47773764b6a4",
+      "blockNumber": 1555279,
+      "blockHash": "0xd6c98d1b87dfa92a210d99bad2873adaf0c9e51fe43addc63fd9cca03a5c6f46",
+      "time": "209.346µs"
+    }
+  ]
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/callcode_precompiled_oog.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/callcode_precompiled_oog.json
new file mode 100644
index 0000000000..94b864ff49
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/callcode_precompiled_oog.json
@@ -0,0 +1,94 @@
+{
+  "genesis": {
+    "difficulty": "4671584",
+    "extraData": "0xd883010b05846765746888676f312e31342e33856c696e7578",
+    "gasLimit": "9425823",
+    "hash": "0x27dd7d052dbc8a29cc5b9487e1e41d842e7a643fcaea4964caa22b834964acaf",
+    "miner": "0x73f26d124436b0791169d63a3af29c2ae47765a3",
+    "mixHash": "0xb4a050624f5d147fdf02857cbfd55da3ddc1451743acc5c163861584589c3034",
+    "nonce": "0x3c255875b17e0573",
+    "number": "1555277",
+    "stateRoot": "0x6290d79215a2eebc25d5e456b35876c6d78ffc1ea47bdd70e375ebb3cf325620",
+    "timestamp": "1590795308",
+    "totalDifficulty": "2242609643446",
+    "alloc": {
+      "0x0000000000000000000000000000000000000001": {
+        "balance": "0x0",
+        "nonce": "0",
+        "code": "0x",
+        "storage": {}
+      },
+      "0x877bd459c9b7d8576b44e59e09d076c25946f443": {
+        "balance": "0x624329308610ab365fb1",
+        "nonce": "265194",
+        "code": "0x",
+        "storage": {}
+      }
+    },
+    "config": {
+      "chainId": 63,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 0,
+      "eip158Block": 0,
+      "ethash": {},
+      "homesteadBlock": 0,
+      "byzantiumBlock": 0,
+      "constantinopleBlock": 301243,
+      "petersburgBlock": 999983,
+      "istanbulBlock": 999983
+    }
+  },
+  "context": {
+    "number": "1555278",
+    "difficulty": "4671584",
+    "timestamp": "1590795319",
+    "gasLimit": "9435026",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443"
+  },
+  "input": "0xf8ee83040bea843b9aca008301a7588080b8997f18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c600052601c6020527f73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75f6040527feeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549606052602060806080600060006001610bb7f260025560a060020a6080510660005560005432146001550081a1a05b9a162d84bfe84faa7c176e21c26c0083645d4dd0d566547b7be2c2da0b4259a05b37ff12a4c27634cb0da6008d9b69726d415ff4694f9bc38c7806eb1fb60ae9",
+  "result": [
+    {
+      "type": "create",
+      "action": {
+        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+        "value": "0x0",
+        "gas": "0xcf08",
+        "init": "0x7f18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c600052601c6020527f73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75f6040527feeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549606052602060806080600060006001610bb7f260025560a060020a60805106600055600054321460015500"
+      },
+      "result": {
+        "gasUsed": "0xf3e9",
+        "code": "0x",
+        "address": "0x568c19ecb14b87e4aec29b4d2d700a3ad3fd0613"
+      },
+      "traceAddress": [],
+      "subtraces": 1,
+      "transactionPosition": 141,
+      "transactionHash": "0x1592cbda0d928b8d18eed98857942b91ade32d088e55b8bf63418917cb0231f1",
+      "blockNumber": 1555278,
+      "blockHash": "0x755bd54de4b2f5a7a589a10d69888b4ead48a6311d5d69f2f69ca85ec35fbe0b",
+      "time": "300.9µs"
+    },
+    {
+      "type": "call",
+      "action": {
+        "from": "0x568c19ecb14b87e4aec29b4d2d700a3ad3fd0613",
+        "to": "0x0000000000000000000000000000000000000001",
+        "value": "0x0",
+        "gas": "0xbb7",
+        "input": "0x18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c000000000000000000000000000000000000000000000000000000000000001c73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75feeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549",
+        "callType": "callcode"
+      },
+      "error": "out of gas",
+      "traceAddress": [
+        0
+      ],
+      "subtraces": 0,
+      "transactionPosition": 141,
+      "transactionHash": "0x1592cbda0d928b8d18eed98857942b91ade32d088e55b8bf63418917cb0231f1",
+      "blockNumber": 1555278,
+      "blockHash": "0x755bd54de4b2f5a7a589a10d69888b4ead48a6311d5d69f2f69ca85ec35fbe0b"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/callcode_precompiled_throw.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/callcode_precompiled_throw.json
new file mode 100644
index 0000000000..506dc5ff68
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/callcode_precompiled_throw.json
@@ -0,0 +1,90 @@
+{
+  "genesis": {
+    "difficulty": "4683014",
+    "extraData": "0x537465762d63676574682d76312e31312e34",
+    "gasLimit": "9435044",
+    "hash": "0x3452ca5005cb73cd60dfa488a7b124251168e564491f80eb66765e79d78cfd95",
+    "miner": "0x415aa6292d1db797a467b22139704956c030e62f",
+    "mixHash": "0x6037612618507ae70c74a72bc2580253662971db959cfbc06d3f8527d4d01575",
+    "nonce": "0x314fc90dee5e39a2",
+    "number": "1555274",
+    "stateRoot": "0x795751f3f96a5de1fd3944ddd78cbfe4ef10491e1086be47609869a30929d0e5",
+    "timestamp": "1590795228",
+    "totalDifficulty": "2242595605834",
+    "alloc": {
+      "0x0000000000000000000000000000000000000009": {
+        "balance": "0x0",
+        "nonce": "0",
+        "code": "0x",
+        "storage": {}
+      },
+      "0x877bd459c9b7d8576b44e59e09d076c25946f443": {
+        "balance": "0x6242e3ccf48e66425fb1",
+        "nonce": "264981",
+        "code": "0x",
+        "storage": {}
+      }
+    },
+    "config": {
+      "chainId": 63,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 0,
+      "eip158Block": 0,
+      "ethash": {},
+      "homesteadBlock": 0,
+      "byzantiumBlock": 0,
+      "constantinopleBlock": 301243,
+      "petersburgBlock": 999983,
+      "istanbulBlock": 999983
+    }
+  },
+  "context": {
+    "number": "1555275",
+    "difficulty": "4683014",
+    "timestamp": "1590795244",
+    "gasLimit": "9444256",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443"
+  },
+  "input": "0xf87a83040b15843b9aca008301a0348080a636600060003760406103e8366000600060095af26001556103e851600255610408516003550081a1a0dd883fbbb489b640dadc8c1bf151767155228d0a1321f687f070f35f14374b05a02dd0ccb16a8de39bc8ee61381bbbbb54f0ab18422afd7b03c6163da1f5023934",
+  "result": [
+    {
+      "type": "create",
+      "action": {
+        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+        "value": "0x0",
+        "gas": "0xcf08",
+        "init": "0x36600060003760406103e8366000600060095af26001556103e8516002556104085160035500"
+      },
+      "error": "out of gas",
+      "traceAddress": [],
+      "subtraces": 1,
+      "transactionPosition": 117,
+      "transactionHash": "0x7fe4dec901e1a62c1a1d96b8267bb9ff9dc1f75def43aa45b998743455eff8f9",
+      "blockNumber": 1555275,
+      "blockHash": "0x80945caaff2fc67253cbb0217d2e5a307afde943929e97d8b36e58b88cbb02fd",
+      "time": "332.877µs"
+    },
+    {
+      "type": "call",
+      "action": {
+        "from": "0x8832ef498070145c3a5b30f47fbca71fd7b1de9f",
+        "to": "0x0000000000000000000000000000000000000009",
+        "value": "0x0",
+        "gas": "0xc897",
+        "input": "0x",
+        "callType": "callcode"
+      },
+      "error": "invalid input length",
+      "traceAddress": [
+        0
+      ],
+      "subtraces": 0,
+      "transactionPosition": 117,
+      "transactionHash": "0x7fe4dec901e1a62c1a1d96b8267bb9ff9dc1f75def43aa45b998743455eff8f9",
+      "blockNumber": 1555275,
+      "blockHash": "0x80945caaff2fc67253cbb0217d2e5a307afde943929e97d8b36e58b88cbb02fd"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/create.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/create.json
new file mode 100644
index 0000000000..b83236690c
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/create.json
@@ -0,0 +1,67 @@
+{
+  "context": {
+    "difficulty": "3755480783",
+    "gasLimit": "5401723",
+    "miner": "0xd049bfd667cb46aa3ef5df0da3e57db3be39e511",
+    "number": "2294702",
+    "timestamp": "1513676146"
+  },
+  "genesis": {
+    "alloc": {
+      "0x13e4acefe6a6700604929946e70e6443e4e73447": {
+        "balance": "0xcf3e0938579f000",
+        "code": "0x",
+        "nonce": "9",
+        "storage": {}
+      },
+      "0x7dc9c9730689ff0b0fd506c67db815f12d90a448": {
+        "balance": "0x0",
+        "code": "0x",
+        "nonce": "0",
+        "storage": {}
+      }
+    },
+    "config": {
+      "byzantiumBlock": 1700000,
+      "chainId": 3,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "ethash": {},
+      "homesteadBlock": 0
+    },
+    "difficulty": "3757315409",
+    "extraData": "0x566961425443",
+    "gasLimit": "5406414",
+    "hash": "0xae107f592eebdd9ff8d6ba00363676096e6afb0e1007a7d3d0af88173077378d",
+    "miner": "0xd049bfd667cb46aa3ef5df0da3e57db3be39e511",
+    "mixHash": "0xc927aa05a38bc3de864e95c33b3ae559d3f39c4ccd51cef6f113f9c50ba0caf1",
+    "nonce": "0x93363bbd2c95f410",
+    "number": "2294701",
+    "stateRoot": "0x6b6737d5bde8058990483e915866bd1578014baeff57bd5e4ed228a2bfad635c",
+    "timestamp": "1513676127",
+    "totalDifficulty": "7160808139332585"
+  },
+  "input": "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",
+  "result": [
+    {
+      "action": {
+        "from": "0x13e4acefe6a6700604929946e70e6443e4e73447",
+        "gas": "0x5e106",
+        "init": "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",
+        "value": "0x0"
+      },
+      "blockNumber": 2294702,
+      "result": {
+        "address": "0x7dc9c9730689ff0b0fd506c67db815f12d90a448",
+        "code": "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",
+        "gasUsed": "0x897be"
+      },
+      "subtraces": 0,
+      "traceAddress": [],
+      "type": "create"
+    }
+  ]
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/deep_calls.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/deep_calls.json
new file mode 100644
index 0000000000..5931b40809
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/deep_calls.json
@@ -0,0 +1,635 @@
+{
+  "context": {
+    "difficulty": "117066904",
+    "gasLimit": "4712384",
+    "miner": "0x1977c248e1014cc103929dd7f154199c916e39ec",
+    "number": "25001",
+    "timestamp": "1479891545"
+  },
+  "genesis": {
+    "alloc": {
+      "0x2a98c5f40bfa3dee83431103c535f6fae9a8ad38": {
+        "balance": "0x0",
+        "code": "0x606060405236156100825760e060020a600035046302d05d3f811461008a5780630accce061461009c5780631ab9075a146100c757806331ed274614610102578063645a3b7214610133578063772fdae314610155578063a7f4377914610180578063ae5f80801461019e578063c9bded21146101ea578063f905c15a14610231575b61023a610002565b61023c600054600160a060020a031681565b61023a600435602435604435606435608435600254600160a060020a03166000141561024657610002565b61023a600435600254600160a060020a03166000148015906100f8575060025433600160a060020a03908116911614155b156102f457610002565b61023a60043560243560443560643560843560a43560c435600254600160a060020a03166000141561031657610002565b61023a600435602435600254600160a060020a0316600014156103d057610002565b61023a600435602435604435606435608435600254600160a060020a03166000141561046157610002565b61023a60025433600160a060020a0390811691161461051657610002565b61023a6004356024356044356060828152600160a060020a0382169060ff8516907fa6c2f0913db6f79ff0a4365762c61718973b3413d6e40382e704782a9a5099f690602090a3505050565b61023a600435602435600160a060020a038116606090815260ff8316907fee6348a7ec70f74e3d6cba55a53e9f9110d180d7698e9117fc466ae29a43e34790602090a25050565b61023c60035481565b005b6060908152602090f35b60025460e060020a6313bc6d4b02606090815233600160a060020a0390811660645291909116906313bc6d4b906084906020906024816000876161da5a03f115610002575050604051511515905061029d57610002565b60408051858152602081018390528151600160a060020a03858116939087169260ff8a16927f5a690ecd0cb15c1c1fd6b6f8a32df0d4f56cb41a54fea7e94020f013595de796929181900390910190a45050505050565b6002805473ffffffffffffffffffffffffffffffffffffffff19168217905550565b60025460e060020a6313bc6d4b02606090815233600160a060020a0390811660645291909116906313bc6d4b906084906020906024816000876161da5a03f115610002575050604051511515905061036d57610002565b6040805186815260208101869052808201859052606081018490529051600160a060020a03831691889160ff8b16917fd65d9ddafbad8824e2bbd6f56cc9f4ac27ba60737035c10a321ea2f681c94d47919081900360800190a450505050505050565b60025460e060020a6313bc6d4b02606090815233600160a060020a0390811660645291909116906313bc6d4b906084906020906024816000876161da5a03f115610002575050604051511515905061042757610002565b60408051828152905183917fa9c6cbc4bd352a6940479f6d802a1001550581858b310d7f68f7bea51218cda6919081900360200190a25050565b60025460e060020a6313bc6d4b02606090815233600160a060020a0390811660645291909116906313bc6d4b906084906020906024816000876161da5a03f11561000257505060405151151590506104b857610002565b80600160a060020a031684600160a060020a03168660ff167f69bdaf789251e1d3a0151259c0c715315496a7404bce9fd0b714674685c2cab78686604051808381526020018281526020019250505060405180910390a45050505050565b600254600160a060020a0316ff",
+        "nonce": "1",
+        "storage": {
+          "0x0000000000000000000000000000000000000000000000000000000000000002": "0x0000000000000000000000002cccf5e0538493c235d1c5ef6580f77d99e91396"
+        }
+      },
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+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/delegatecall.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/delegatecall.json
new file mode 100644
index 0000000000..3a03ffc0fa
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/delegatecall.json
@@ -0,0 +1,120 @@
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+        "nonce": "1",
+        "storage": {
+          "0x0000000000000000000000000000000000000000000000000000000000000001": "0x000113204f5d64c28326fd7bd05fd4ea855302d7f2ff00000000000000000000"
+        }
+      },
+      "0x42b02b5deeb78f34cd5ac896473b63e6c99a71a2": {
+        "balance": "0x0",
+        "code": "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",
+        "nonce": "1",
+        "storage": {}
+      },
+      "0xa529806c67cc6486d4d62024471772f47f6fd672": {
+        "balance": "0x67820e39ac8fe9800",
+        "code": "0x",
+        "nonce": "68",
+        "storage": {}
+      }
+    },
+    "config": {
+      "byzantiumBlock": 1700000,
+      "chainId": 3,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "ethash": {},
+      "homesteadBlock": 0
+    },
+    "difficulty": "31912170",
+    "extraData": "0xd783010502846765746887676f312e372e33856c696e7578",
+    "gasLimit": "4712388",
+    "hash": "0x0855914bdc581bccdc62591fd438498386ffb59ea4d5361ed5c3702e26e2c72f",
+    "miner": "0x334391aa808257952a462d1475562ee2106a6c90",
+    "mixHash": "0x64bb70b8ca883cadb8fbbda2c70a861612407864089ed87b98e5de20acceada6",
+    "nonce": "0x684129f283aaef18",
+    "number": "11494",
+    "stateRoot": "0x7057f31fe3dab1d620771adad35224aae43eb70e94861208bc84c557ff5b9d10",
+    "timestamp": "1479735912",
+    "totalDifficulty": "90744064339"
+  },
+  "input": "0xf889448504a817c800832dc6c094269296dddce321a6bcbaa2f0181127593d732cba80a47065cb480000000000000000000000001523e55a1ca4efbae03355775ae89f8d7699ad9e29a080ed81e4c5e9971a730efab4885566e2c868cd80bd4166d0ed8c287fdf181650a069d7c49215e3d4416ad239cd09dbb71b9f04c16b33b385d14f40b618a7a65115",
+  "result": [
+    {
+      "action": {
+        "callType": "call",
+        "from": "0xa529806c67cc6486d4d62024471772f47f6fd672",
+        "gas": "0x2d6e28",
+        "input": "0x7065cb480000000000000000000000001523e55a1ca4efbae03355775ae89f8d7699ad9e",
+        "to": "0x269296dddce321a6bcbaa2f0181127593d732cba",
+        "value": "0x0"
+      },
+      "blockNumber": 11495,
+      "result": {
+        "gasUsed": "0xbd55",
+        "output": "0x"
+      },
+      "subtraces": 1,
+      "traceAddress": [],
+      "type": "call"
+    },
+    {
+      "action": {
+        "callType": "call",
+        "from": "0x269296dddce321a6bcbaa2f0181127593d732cba",
+        "gas": "0x2cae73",
+        "input": "0x5dbe47e8000000000000000000000000a529806c67cc6486d4d62024471772f47f6fd672",
+        "to": "0x13204f5d64c28326fd7bd05fd4ea855302d7f2ff",
+        "value": "0x0"
+      },
+      "blockNumber": 0,
+      "result": {
+        "gasUsed": "0xa9d",
+        "output": "0x0000000000000000000000000000000000000000000000000000000000000001"
+      },
+      "subtraces": 1,
+      "traceAddress": [0],
+      "type": "call"
+    },
+    {
+      "action": {
+        "callType": "delegatecall",
+        "from": "0x13204f5d64c28326fd7bd05fd4ea855302d7f2ff",
+        "gas": "0x2bf459",
+        "input": "0x7d65837a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a529806c67cc6486d4d62024471772f47f6fd672",
+        "to": "0x42b02b5deeb78f34cd5ac896473b63e6c99a71a2",
+        "value": "0x0"
+      },
+      "blockNumber": 0,
+      "result": {
+        "gasUsed": "0x2aa",
+        "output": "0x0000000000000000000000000000000000000000000000000000000000000001"
+      },
+      "subtraces": 0,
+      "traceAddress": [0, 0],
+      "type": "call"
+    }
+  ]
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/delegatecall_parent_value.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/delegatecall_parent_value.json
new file mode 100644
index 0000000000..800a6a4288
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/delegatecall_parent_value.json
@@ -0,0 +1,103 @@
+{
+  "genesis": {
+    "number": "566098",
+    "hash": "0xba134562590a59291892395a29c5088899c2c64d720135dad88f7f076cf55f5f",
+    "nonce": "0x4b281be9594e3eb3",
+    "mixHash": "0xdb4ec386166d9c0dc9ba147755ecbb87af9f0a22563cbda02c799efa4e29db6e",
+    "stateRoot": "0xfc01993ad96a8fb8790a093cea4f505f8db1b0e1143c5f57bb1d173db0baa9e3",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+    "difficulty": "1926740",
+    "totalDifficulty": "482216286599",
+    "extraData": "0xd883010906846765746888676f312e31332e35856c696e7578",
+    "gasLimit": "19388354",
+    "timestamp": "1577558314",
+    "alloc": {
+      "0x6ab9dd83108698b9ca8d03af3c7eb91c0e54c3fc": {
+        "balance": "0x0",
+        "nonce": "0",
+        "code": "0x",
+        "storage": {}
+      },
+      "0x877bd459c9b7d8576b44e59e09d076c25946f443": {
+        "balance": "0xcbd5b9b25d1c38c2aad",
+        "nonce": "134969",
+        "code": "0x",
+        "storage": {}
+      },
+      "0x91765918420bcb5ad22ee0997abed04056705798": {
+        "balance": "0x0",
+        "nonce": "1",
+        "code": "0x366000803760206000366000736ab9dd83108698b9ca8d03af3c7eb91c0e54c3fc60325a03f41560015760206000f3",
+        "storage": {}
+      }
+    },
+    "config": {
+      "chainId": 63,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 0,
+      "eip158Block": 0,
+      "ethash": {},
+      "homesteadBlock": 0,
+      "byzantiumBlock": 0,
+      "constantinopleBlock": 301243,
+      "petersburgBlock": 999983,
+      "istanbulBlock": 999983
+    }
+  },
+  "context": {
+    "number": "566099",
+    "difficulty": "1927680",
+    "timestamp": "1577558317",
+    "gasLimit": "19369422",
+    "miner": "0x774c398d763161f55b66a646f17edda4addad2ca"
+  },
+  "input": "0xf87983020f3985746a52880083015f909491765918420bcb5ad22ee0997abed04056705798888ac7230489e80000884e45375a4741394181a1a04b7260723fd02830754916b3bdf1537b6a851a7ae27c7e9296cfe1fc8275ec08a049d32158988eb717d61b4503b27c7583037c067daba1eb56f4bdfafc1b0045f6",
+  "result": [
+    {
+      "action": {
+        "callType": "call",
+        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+        "gas": "0x10b68",
+        "input": "0x4e45375a47413941",
+        "to": "0x91765918420bcb5ad22ee0997abed04056705798",
+        "value": "0x8ac7230489e80000"
+      },
+      "blockHash": "0xb05cc5c8f11df2b5d53ced342ee79e2805785f04c2f40add4539f27bd349f74e",
+      "blockNumber": 566099,
+      "result": {
+        "gasUsed": "0x5721",
+        "output": "0x4e45375a47413941000000000000000000000000000000000000000000000000"
+      },
+      "subtraces": 1,
+      "traceAddress": [],
+      "transactionHash": "0x6e26dffe2f66186f03a2c36a16a4cd9724d07622c83746f1e35f988515713d4b",
+      "transactionPosition": 10,
+      "type": "call"
+    },
+    {
+      "action": {
+        "callType": "delegatecall",
+        "from": "0x91765918420bcb5ad22ee0997abed04056705798",
+        "gas": "0x10463",
+        "input": "0x4e45375a47413941",
+        "to": "0x6ab9dd83108698b9ca8d03af3c7eb91c0e54c3fc",
+        "value": "0x8ac7230489e80000"
+      },
+      "blockHash": "0xb05cc5c8f11df2b5d53ced342ee79e2805785f04c2f40add4539f27bd349f74e",
+      "blockNumber": 566099,
+      "result": {
+        "gasUsed": "0x0",
+        "output": "0x"
+      },
+      "subtraces": 0,
+      "traceAddress": [
+        0
+      ],
+      "transactionHash": "0x6e26dffe2f66186f03a2c36a16a4cd9724d07622c83746f1e35f988515713d4b",
+      "transactionPosition": 10,
+      "type": "call"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/gas.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/gas.json
new file mode 100644
index 0000000000..3b44a5e2cd
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/gas.json
@@ -0,0 +1,95 @@
+{
+  "genesis": {
+    "difficulty": "4683014",
+    "extraData": "0x537465762d63676574682d76312e31312e34",
+    "gasLimit": "9435044",
+    "hash": "0x3452ca5005cb73cd60dfa488a7b124251168e564491f80eb66765e79d78cfd95",
+    "miner": "0x415aa6292d1db797a467b22139704956c030e62f",
+    "mixHash": "0x6037612618507ae70c74a72bc2580253662971db959cfbc06d3f8527d4d01575",
+    "nonce": "0x314fc90dee5e39a2",
+    "number": "1555274",
+    "stateRoot": "0x795751f3f96a5de1fd3944ddd78cbfe4ef10491e1086be47609869a30929d0e5",
+    "timestamp": "1590795228",
+    "totalDifficulty": "2242595605834",
+    "alloc": {
+      "0x0000000000000000000000000000000000000001": {
+        "balance": "0x0",
+        "nonce": "0",
+        "code": "0x",
+        "storage": {}
+      },
+      "0x877bd459c9b7d8576b44e59e09d076c25946f443": {
+        "balance": "0x6242e3ccf48e66425fb1",
+        "nonce": "264882",
+        "code": "0x",
+        "storage": {}
+      }
+    },
+    "config": {
+      "chainId": 63,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 0,
+      "eip158Block": 0,
+      "ethash": {},
+      "homesteadBlock": 0,
+      "byzantiumBlock": 0,
+      "constantinopleBlock": 301243,
+      "petersburgBlock": 999983,
+      "istanbulBlock": 999983
+    }
+  },
+  "context": {
+    "number": "1555275",
+    "difficulty": "4683014",
+    "timestamp": "1590795244",
+    "gasLimit": "9444256",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443"
+  },
+  "input": "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",
+  "result": [
+    {
+      "type": "create",
+      "action": {
+        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+        "value": "0x0",
+        "gas": "0xcf08",
+        "init": "0x601b565b6000555b005b630badf00d6003565b63c001f00d6003565b7319e7e376e7c213b7e7e7e46cc70a5dd086daff2a7f22ae6da6b482f9b1b19b0b897c3fd43884180a1c5ee361e1107a1bc635649dda600052601b603f537f16433dce375ce6dc8151d3f0a22728bc4a1d9fd6ed39dfd18b4609331937367f6040527f306964c0cf5d74f04129fdc60b54d35b596dde1bf89ad92cb4123318f4c0e40060605260206080607f60006000600161fffff21560075760805114601257600956"
+      },
+      "result": {
+        "gasUsed": "0x137e5",
+        "code": "0x",
+        "address": "0x1a05d76017ca02010533a470e05e8925a0380d8f"
+      },
+      "traceAddress": [],
+      "subtraces": 1,
+      "transactionPosition": 18,
+      "transactionHash": "0xc1c42a325856d513523aec464811923b2e2926f54015c7ba37877064cf889803",
+      "blockNumber": 1555275,
+      "blockHash": "0x80945caaff2fc67253cbb0217d2e5a307afde943929e97d8b36e58b88cbb02fd",
+      "time": "453.925µs"
+    },
+    {
+      "type": "call",
+      "action": {
+        "from": "0x1a05d76017ca02010533a470e05e8925a0380d8f",
+        "to": "0x0000000000000000000000000000000000000001",
+        "value": "0x0",
+        "gas": "0xc8c6",
+        "input": "0x22ae6da6b482f9b1b19b0b897c3fd43884180a1c5ee361e1107a1bc635649dda000000000000000000000000000000000000000000000000000000000000001b16433dce375ce6dc8151d3f0a22728bc4a1d9fd6ed39dfd18b4609331937367f306964c0cf5d74f04129fdc60b54d35b596dde1bf89ad92cb4123318f4c0e4",
+        "callType": "callcode"
+      },
+      "result": {
+        "gasUsed": "0xbb8",
+        "output": "0x00000000000000000000000019e7e376e7c213b7e7e7e46cc70a5dd086daff2a"
+      },
+      "traceAddress": [0],
+      "subtraces": 0,
+      "transactionPosition": 18,
+      "transactionHash": "0xc1c42a325856d513523aec464811923b2e2926f54015c7ba37877064cf889803",
+      "blockNumber": 1555275,
+      "blockHash": "0x80945caaff2fc67253cbb0217d2e5a307afde943929e97d8b36e58b88cbb02fd"
+    }
+  ]
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/include_precompiled.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/include_precompiled.json
new file mode 100644
index 0000000000..d33375bfd2
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/include_precompiled.json
@@ -0,0 +1,832 @@
+{
+  "genesis": {
+    "number": "559197",
+    "hash": "0x0742a2bfab0452e2c634f3685b7e49ceb065c7000609b2b73f086e01fd1dfb58",
+    "nonce": "0x3060ad521440e1c2",
+    "mixHash": "0x59e7d4ae6cc3c38d23dac3f869b21984c7ba8f38070f4116a4941d9c403b6299",
+    "stateRoot": "0x68418fb5cf4afa9b807dc079e8cdde0e148ac2c8afb378e675465b5bed1fbd02",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+    "difficulty": "1813945",
+    "totalDifficulty": "469107641961",
+    "extraData": "0xd883010906846765746888676f312e31332e35856c696e7578",
+    "gasLimit": "6321166",
+    "timestamp": "1577471202",
+    "alloc": {
+      "0x877bd459c9b7d8576b44e59e09d076c25946f443": {
+        "balance": "0xc5e6fdae52af83f7e28",
+        "nonce": "77947",
+        "code": "0x",
+        "storage": {}
+      },
+      "0x774c398d763161f55b66a646f17edda4addad2ca": {
+        "balance": "0xf09ef316eff819ee488",
+        "nonce": "0",
+        "code": "0x",
+        "storage": {}
+      },
+      "0x6cc68eb482a757c690dd151d2bd5e774ada38bdc": {
+        "balance": "0x0",
+        "nonce": "1",
+        "code": 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+      "type": "call"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/inner_create_oog_outer_throw.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/inner_create_oog_outer_throw.json
new file mode 100644
index 0000000000..170948e156
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/inner_create_oog_outer_throw.json
@@ -0,0 +1,88 @@
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+        "nonce": "789",
+        "storage": {
+          "0xfe9ec0542a1c009be8b1f3acf43af97100ffff42eb736850fb038fa1151ad4d9": "0x000000000000000000000000e4a13bc304682a903e9472f469c33801dd18d9e8"
+        }
+      },
+      "0x5cb4a6b902fcb21588c86c3517e797b07cdaadb9": {
+        "balance": "0x0",
+        "code": "0x",
+        "nonce": "0",
+        "storage": {}
+      },
+      "0xe4a13bc304682a903e9472f469c33801dd18d9e8": {
+        "balance": "0x33c763c929f62c4f",
+        "code": "0x",
+        "nonce": "14",
+        "storage": {}
+      }
+    },
+    "config": {
+      "byzantiumBlock": 1700000,
+      "chainId": 3,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "ethash": {},
+      "homesteadBlock": 0
+    },
+    "difficulty": "3451177886",
+    "extraData": "0x4554482e45544846414e532e4f52472d4641313738394444",
+    "gasLimit": "4713874",
+    "hash": "0x5d52a672417cd1269bf4f7095e25dcbf837747bba908cd5ef809dc1bd06144b5",
+    "miner": "0xbbf5029fd710d227630c8b7d338051b8e76d50b3",
+    "mixHash": "0x01a12845ed546b94a038a7a03e8df8d7952024ed41ccb3db7a7ade4abc290ce1",
+    "nonce": "0x28c446f1cb9748c1",
+    "number": "2290743",
+    "stateRoot": "0x4898aceede76739daef76448a367d10015a2c022c9e7909b99a10fbf6fb16708",
+    "timestamp": "1513616414",
+    "totalDifficulty": "7146523769022564"
+  },
+  "input": "0xf8aa0e8509502f9000830493e0941d3ddf7caf024f253487e18bc4a15b1a360c170a80b8443b91f506000000000000000000000000a14bdd7e5666d784dcce98ad24d383a6b1cd4182000000000000000000000000e4a13bc304682a903e9472f469c33801dd18d9e829a0524564944fa419f5c189b5074044f89210c6d6b2d77ee8f7f12a927d59b636dfa0015b28986807a424b18b186ee6642d76739df36cad802d20e8c00e79a61d7281",
+  "result": [
+    {
+      "action": {
+        "callType": "call",
+        "from": "0xe4a13bc304682a903e9472f469c33801dd18d9e8",
+        "gas": "0x435c8",
+        "input": "0x3b91f506000000000000000000000000a14bdd7e5666d784dcce98ad24d383a6b1cd4182000000000000000000000000e4a13bc304682a903e9472f469c33801dd18d9e8",
+        "to": "0x1d3ddf7caf024f253487e18bc4a15b1a360c170a",
+        "value": "0x0"
+      },
+      "blockNumber": 2290744,
+      "error": "invalid jump destination",
+      "result": {},
+      "subtraces": 1,
+      "traceAddress": [],
+      "type": "call"
+    },
+    {
+      "action": {
+        "from": "0x1d3ddf7caf024f253487e18bc4a15b1a360c170a",
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+        "value": "0x0"
+      },
+      "blockNumber": 0,
+      "error": "contract creation code storage out of gas",
+      "result": {},
+      "subtraces": 0,
+      "traceAddress": [0],
+      "type": "create"
+    }
+  ]
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/inner_instafail.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/inner_instafail.json
new file mode 100644
index 0000000000..328b743270
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/inner_instafail.json
@@ -0,0 +1,72 @@
+{
+  "genesis": {
+    "difficulty": "117067574",
+    "extraData": "0xd783010502846765746887676f312e372e33856c696e7578",
+    "gasLimit": "4712380",
+    "hash": "0xe05db05eeb3f288041ecb10a787df121c0ed69499355716e17c307de313a4486",
+    "miner": "0x0c062b329265c965deef1eede55183b3acb8f611",
+    "mixHash": "0xb669ae39118a53d2c65fd3b1e1d3850dd3f8c6842030698ed846a2762d68b61d",
+    "nonce": "0x2b469722b8e28c45",
+    "number": "24973",
+    "stateRoot": "0x532a5c3f75453a696428db078e32ae283c85cb97e4d8560dbdf022adac6df369",
+    "timestamp": "1479891145",
+    "totalDifficulty": "1892250259406",
+    "alloc": {
+      "0x6c06b16512b332e6cd8293a2974872674716ce18": {
+        "balance": "0x0",
+        "nonce": "1",
+        "code": "0x60606040526000357c0100000000000000000000000000000000000000000000000000000000900480632e1a7d4d146036575b6000565b34600057604e60048080359060200190919050506050565b005b3373ffffffffffffffffffffffffffffffffffffffff166108fc829081150290604051809050600060405180830381858888f19350505050505b5056",
+        "storage": {}
+      },
+      "0x66fdfd05e46126a07465ad24e40cc0597bc1ef31": {
+        "balance": "0x229ebbb36c3e0f20",
+        "nonce": "3",
+        "code": "0x",
+        "storage": {}
+      }
+    },
+    "config": {
+      "chainId": 3,
+      "homesteadBlock": 0,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "byzantiumBlock": 1700000,
+      "constantinopleBlock": 4230000,
+      "petersburgBlock": 4939394,
+      "istanbulBlock": 6485846,
+      "muirGlacierBlock": 7117117,
+      "ethash": {}
+    }
+  },
+  "context": {
+    "number": "24974",
+    "difficulty": "117067574",
+    "timestamp": "1479891162",
+    "gasLimit": "4712388",
+    "miner": "0xc822ef32e6d26e170b70cf761e204c1806265914"
+  },
+  "input": "0xf889038504a81557008301f97e946c06b16512b332e6cd8293a2974872674716ce1880a42e1a7d4d00000000000000000000000000000000000000000000000014d1120d7b1600002aa0e2a6558040c5d72bc59f2fb62a38993a314c849cd22fb393018d2c5af3112095a01bdb6d7ba32263ccc2ecc880d38c49d9f0c5a72d8b7908e3122b31356d349745",
+  "result": [
+    {
+      "action": {
+        "callType": "call",
+        "from": "0x66fdfd05e46126a07465ad24e40cc0597bc1ef31",
+        "gas": "0x1a466",
+        "input": "0x2e1a7d4d00000000000000000000000000000000000000000000000014d1120d7b160000",
+        "to": "0x6c06b16512b332e6cd8293a2974872674716ce18",
+        "value": "0x0"
+      },
+      "blockNumber": 24974,
+      "result": {
+        "gasUsed": "0x72de",
+        "output": "0x"
+      },
+      "subtraces": 0,
+      "traceAddress": [],
+      "type": "call"
+    }
+  ]
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/inner_precompiled_wrong_gas.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/inner_precompiled_wrong_gas.json
new file mode 100644
index 0000000000..6b5738101c
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/inner_precompiled_wrong_gas.json
@@ -0,0 +1,219 @@
+{
+  "genesis": {
+    "number": "559197",
+    "hash": "0x0742a2bfab0452e2c634f3685b7e49ceb065c7000609b2b73f086e01fd1dfb58",
+    "nonce": "0x3060ad521440e1c2",
+    "mixHash": "0x59e7d4ae6cc3c38d23dac3f869b21984c7ba8f38070f4116a4941d9c403b6299",
+    "stateRoot": "0x68418fb5cf4afa9b807dc079e8cdde0e148ac2c8afb378e675465b5bed1fbd02",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+    "difficulty": "1813945",
+    "totalDifficulty": "469107641961",
+    "extraData": "0xd883010906846765746888676f312e31332e35856c696e7578",
+    "gasLimit": "6321166",
+    "timestamp": "1577471202",
+    "alloc": {
+      "0x877bd459c9b7d8576b44e59e09d076c25946f443": {
+        "balance": "0xc5e6fdae52af83f7e28",
+        "nonce": "77947",
+        "code": "0x",
+        "storage": {}
+      },
+      "0x774c398d763161f55b66a646f17edda4addad2ca": {
+        "balance": "0xf09ef316eff819ee488",
+        "nonce": "0",
+        "code": "0x",
+        "storage": {}
+      },
+      "0x6cc68eb482a757c690dd151d2bd5e774ada38bdc": {
+        "balance": "0x0",
+        "nonce": "1",
+        "code": 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+        "gasUsed": "0x1c6ff",
+        "output": "0x0000000000000000000000000000000000000000000000000000000000000000"
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+      "subtraces": 5,
+      "traceAddress": [],
+      "type": "call"
+    },
+    {
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+        "author": "0x0000000000000000000000000000000000000000",
+        "address": "0x0000000000000000000000000000000000000000",
+        "balance": "0x0",
+        "callType": "call",
+        "from": "0x6cc68eb482a757c690dd151d2bd5e774ada38bdc",
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+      "traceAddress": [
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+        "to": "0x6cc68eb482a757c690dd151d2bd5e774ada38bdc",
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+      "subtraces": 0,
+      "traceAddress": [
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+        "refundAddress": "0x0000000000000000000000000000000000000000",
+        "to": "0x6cc68eb482a757c690dd151d2bd5e774ada38bdc",
+        "value": "0x0"
+      },
+      "result": {
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+        "gasUsed": "0x27c3",
+        "output": "0x0000000000000000000000000000000000000000000000000000000000000000"
+      },
+      "subtraces": 0,
+      "traceAddress": [
+        2
+      ],
+      "type": "call"
+    },
+    {
+      "action": {
+        "author": "0x0000000000000000000000000000000000000000",
+        "address": "0x0000000000000000000000000000000000000000",
+        "balance": "0x0",
+        "callType": "call",
+        "from": "0x6cc68eb482a757c690dd151d2bd5e774ada38bdc",
+        "gas": "0x10a328",
+        "input": "0x2b8616290000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000005004000000e93433dde5128942e47e8722d37ec4dcc1c8a78cf9c4a4030000000000000000bf92c09e8e37b2c8ffbb4b9cadfccc563e474c4feae6997f52d56236fedafce20a9f745609c40b1840cc27de00000000000000000000000000000000",
+        "refundAddress": "0x0000000000000000000000000000000000000000",
+        "to": "0x6cc68eb482a757c690dd151d2bd5e774ada38bdc",
+        "value": "0x0"
+      },
+      "result": {
+        "address": "0x0000000000000000000000000000000000000000",
+        "gasUsed": "0x27c3",
+        "output": "0x0000000000000000000000000000000000000000000000000000000000000000"
+      },
+      "subtraces": 0,
+      "traceAddress": [
+        3
+      ],
+      "type": "call"
+    },
+    {
+      "action": {
+        "author": "0x0000000000000000000000000000000000000000",
+        "address": "0x0000000000000000000000000000000000000000",
+        "balance": "0x0",
+        "callType": "call",
+        "from": "0x6cc68eb482a757c690dd151d2bd5e774ada38bdc",
+        "gas": "0x106e1d",
+        "input": "0x2b8616290000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000005004000000f2e372a0b5b837116eee8f968840393d85975a1531346807000000000000000076bc91399edda1de98976ee0774e2ad3b21dd38ad9f5f34d2c816a832747fe7f4c9e745609c40b18e290e9e000000000000000000000000000000000",
+        "refundAddress": "0x0000000000000000000000000000000000000000",
+        "to": "0x6cc68eb482a757c690dd151d2bd5e774ada38bdc",
+        "value": "0x0"
+      },
+      "result": {
+        "address": "0x0000000000000000000000000000000000000000",
+        "gasUsed": "0x27c3",
+        "output": "0x0000000000000000000000000000000000000000000000000000000000000000"
+      },
+      "subtraces": 0,
+      "traceAddress": [
+        4
+      ],
+      "type": "call"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/inner_throw_outer_revert.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/inner_throw_outer_revert.json
new file mode 100644
index 0000000000..b11b8e040d
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/inner_throw_outer_revert.json
@@ -0,0 +1,95 @@
+{
+  "context": {
+    "difficulty": "3956606365",
+    "gasLimit": "5413248",
+    "miner": "0x00d8ae40d9a06d0e7a2877b62e32eb959afbe16d",
+    "number": "2295104",
+    "timestamp": "1513681256"
+  },
+  "genesis": {
+    "alloc": {
+      "0x33056b5dcac09a9b4becad0e1dcf92c19bd0af76": {
+        "balance": "0x0",
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+        "nonce": "1",
+        "storage": {}
+      }
+    },
+    "config": {
+      "byzantiumBlock": 1700000,
+      "chainId": 3,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "ethash": {},
+      "homesteadBlock": 0
+    },
+    "difficulty": "3956606365",
+    "extraData": "0x566961425443",
+    "gasLimit": "5418523",
+    "hash": "0x6f37eb930a25da673ea1bb80fd9e32ddac19cdf7cd4bb2eac62cc13598624077",
+    "miner": "0xd049bfd667cb46aa3ef5df0da3e57db3be39e511",
+    "mixHash": "0x10971cde68c587c750c23b8589ae868ce82c2c646636b97e7d9856470c5297c7",
+    "nonce": "0x810f923ff4b450a1",
+    "number": "2295103",
+    "stateRoot": "0xff403612573d76dfdaf4fea2429b77dbe9764021ae0e38dc8ac79a3cf551179e",
+    "timestamp": "1513681246",
+    "totalDifficulty": "7162347056825919"
+  },
+  "input": "0xf86d808504e3b292008307dfa69433056b5dcac09a9b4becad0e1dcf92c19bd0af76880e92596fd62900008029a0e5f27bb66431f7081bb7f1f242003056d7f3f35414c352cd3d1848b52716dac2a07d0be78980edb0bd2a0678fc53aa90ea9558ce346b0d947967216918ac74ccea",
+  "result": [
+    {
+      "action": {
+        "callType": "call",
+        "from": "0xd4fcab9f0a6dc0493af47c864f6f17a8a5e2e826",
+        "gas": "0x78d9e",
+        "input": "0x",
+        "to": "0x33056b5dcac09a9b4becad0e1dcf92c19bd0af76",
+        "value": "0xe92596fd6290000"
+      },
+      "blockNumber": 2295104,
+      "error": "execution reverted",
+      "result": {
+        "gasUsed": "0x7c1c8"
+      },
+      "subtraces": 1,
+      "traceAddress": [],
+      "type": "call"
+    },
+    {
+      "action": {
+        "callType": "call",
+        "from": "0x33056b5dcac09a9b4becad0e1dcf92c19bd0af76",
+        "gas": "0x75fe3",
+        "input": "0xa9059cbb000000000000000000000000d4fcab9f0a6dc0493af47c864f6f17a8a5e2e82600000000000000000000000000000000000000000000000000000000000002f4",
+        "to": "0xe819f024b41358d2c08e3a868a5c5dd0566078d4",
+        "value": "0x0"
+      },
+      "blockNumber": 0,
+      "error": "invalid opcode: INVALID",
+      "result": {},
+      "subtraces": 0,
+      "traceAddress": [0],
+      "type": "call"
+    }
+  ]
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/nested_create.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/nested_create.json
new file mode 100644
index 0000000000..64425dbadd
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/nested_create.json
@@ -0,0 +1,94 @@
+{
+  "genesis": {
+    "difficulty": "1808543",
+    "extraData": "0xd883010906846765746888676f312e31332e35856c696e7578",
+    "gasLimit": "4875092",
+    "hash": "0x3851fdc18bd5f2314cf0c90439356f9a1fe157d7fb06c20e20b77954da903671",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+    "mixHash": "0x3d4e702d6058acf94c9547560f05536d45d515bd4f9014564ec41b5b4ff9578b",
+    "nonce": "0x1695153e7b16c1e7",
+    "number": "555461",
+    "stateRoot": "0xba8272acd0dfeb5f04376328e8bfc5b276b177697000c204a060f6f7b629ae32",
+    "timestamp": "1577423350",
+    "totalDifficulty": "462222992438",
+    "alloc": {
+      "0xcf5b3467dfa45cdc8e5358a7a1ba4deb02e5faed": {
+        "balance": "0x0",
+        "nonce": "0",
+        "code": "0x",
+        "storage": {}
+      },
+      "0x877bd459c9b7d8576b44e59e09d076c25946f443": {
+        "balance": "0x16c102a3b09c02abdace",
+        "nonce": "19049",
+        "code": "0x",
+        "storage": {}
+      }
+    },
+    "config": {
+      "chainId": 63,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 0,
+      "eip158Block": 0,
+      "ethash": {},
+      "homesteadBlock": 0,
+      "byzantiumBlock": 0,
+      "constantinopleBlock": 301243,
+      "petersburgBlock": 999983,
+      "istanbulBlock": 999983
+    }
+  },
+  "context": {
+    "number": "555462",
+    "difficulty": "1808543",
+    "timestamp": "1577423360",
+    "gasLimit": "4873701",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443"
+  },
+  "input": "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",
+  "result": [
+    {
+      "type": "create",
+      "action": {
+        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+        "value": "0x0",
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+      },
+      "result": {
+        "gasUsed": "0x53e90",
+        "code": "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",
+        "address": "0x9db7a1baf185a865ffee3824946ccd8958191e5e"
+      },
+      "traceAddress": [],
+      "subtraces": 1,
+      "transactionPosition": 23,
+      "transactionHash": "0xe267552ce8437a5bc7081385c99f912de5723ad34b958db215dbc41abd5f6c03",
+      "blockNumber": 555462,
+      "blockHash": "0x38bba9e3965b57205097ea5ec53fc403cf3941bec2e4c933faae244de5ca4ba1",
+      "time": "1.147715ms"
+    },
+    {
+      "type": "create",
+      "action": {
+        "from": "0x9db7a1baf185a865ffee3824946ccd8958191e5e",
+        "value": "0x0",
+        "gas": "0x30b34",
+        "init": "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"
+      },
+      "result": {
+        "gasUsed": "0x1009d",
+        "code": "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",
+        "address": "0xcf5b3467dfa45cdc8e5358a7a1ba4deb02e5faed"
+      },
+      "traceAddress": [0],
+      "subtraces": 0,
+      "transactionPosition": 23,
+      "transactionHash": "0xe267552ce8437a5bc7081385c99f912de5723ad34b958db215dbc41abd5f6c03",
+      "blockNumber": 555462,
+      "blockHash": "0x38bba9e3965b57205097ea5ec53fc403cf3941bec2e4c933faae244de5ca4ba1"
+    }
+  ]
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/nested_create2_action_gas.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/nested_create2_action_gas.json
new file mode 100644
index 0000000000..bbd9904d9c
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/nested_create2_action_gas.json
@@ -0,0 +1,94 @@
+{
+  "genesis": {
+    "difficulty": "4635413",
+    "extraData": "0xd683010b05846765746886676f312e3133856c696e7578",
+    "gasLimit": "9289294",
+    "hash": "0x359775cf1a2ae2400e26ec68bf33bcfe38b7979c76b7e616f42c4ca7e7605e39",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+    "mixHash": "0x4b2a0ef121a9c7d732fa0fbd4166a0e1041d2da2b8cb677c61edabf8b7183b64",
+    "nonce": "0x2a8a64ad9757be55",
+    "number": "1555160",
+    "stateRoot": "0x95067c12148e2362fcd4a89df286ff0b1739ef097a40ca42ae7f698af9a9d913",
+    "timestamp": "1590793999",
+    "totalDifficulty": "2242063623471",
+    "alloc": {
+      "0x8785e369f0ef0a4e5c5a5f929680427dc75273a5": {
+        "balance": "0x0",
+        "nonce": "0",
+        "code": "0x",
+        "storage": {}
+      },
+      "0x877bd459c9b7d8576b44e59e09d076c25946f443": {
+        "balance": "0x623145b285b3f551fa3f",
+        "nonce": "260617",
+        "code": "0x",
+        "storage": {}
+      }
+    },
+    "config": {
+      "chainId": 63,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 0,
+      "eip158Block": 0,
+      "ethash": {},
+      "homesteadBlock": 0,
+      "byzantiumBlock": 0,
+      "constantinopleBlock": 301243,
+      "petersburgBlock": 999983,
+      "istanbulBlock": 999983
+    }
+  },
+  "context": {
+    "number": "1555161",
+    "difficulty": "4633150",
+    "timestamp": "1590794020",
+    "gasLimit": "9298364",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443"
+  },
+  "input": "0xf85e8303fa09843b9aca0083019ed880808a6000600060006000f50081a2a0485ea410e210740eef8e6f6de11c530f46f8da80eecb02afbb6c5f61749ac015a068d72f1b0f1d3cb4e214d5def79b49a73e6ee91db2df83499a54c656c144600f",
+  "result": [
+    {
+      "type": "create",
+      "action": {
+        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+        "value": "0x0",
+        "gas": "0xcf6c",
+        "init": "0x6000600060006000f500"
+      },
+      "result": {
+        "gasUsed": "0x14c78",
+        "code": "0x",
+        "address": "0x2e8eded627eead210cb6143eb39ef7a3e44e4f00"
+      },
+      "traceAddress": [],
+      "subtraces": 1,
+      "transactionPosition": 31,
+      "transactionHash": "0x1257b698c5833c54ce786734087002b097275abc3877af082b5c2a538e894a41",
+      "blockNumber": 1555161,
+      "blockHash": "0xb0793dd508dd106a19794b8ce1dfc0ff8d98c76aab61bf32a11799854149a171",
+      "time": "889.048µs"
+    },
+    {
+      "type": "create",
+      "action": {
+        "from": "0x2e8eded627eead210cb6143eb39ef7a3e44e4f00",
+        "value": "0x0",
+        "gas": "0x5117",
+        "init": "0x"
+      },
+      "result": {
+        "gasUsed": "0x0",
+        "code": "0x",
+        "address": "0x8785e369f0ef0a4e5c5a5f929680427dc75273a5"
+      },
+      "traceAddress": [0],
+      "subtraces": 0,
+      "transactionPosition": 31,
+      "transactionHash": "0x1257b698c5833c54ce786734087002b097275abc3877af082b5c2a538e894a41",
+      "blockNumber": 1555161,
+      "blockHash": "0xb0793dd508dd106a19794b8ce1dfc0ff8d98c76aab61bf32a11799854149a171"
+    }
+  ]
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/nested_create_action_gas.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/nested_create_action_gas.json
new file mode 100644
index 0000000000..19ae5fc5d3
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/nested_create_action_gas.json
@@ -0,0 +1,90 @@
+{
+  "genesis": {
+    "difficulty": "4639933",
+    "extraData": "0xd883010b05846765746888676f312e31342e33856c696e7578",
+    "gasLimit": "9280188",
+    "hash": "0x9a5f3a98eb1c60f6e3f450658a9cea190157e7021d04f927b752ad6482cf9194",
+    "miner": "0x73f26d124436b0791169d63a3af29c2ae47765a3",
+    "mixHash": "0x6b6f8fcaa54b8565c4c1ae7cf0a020e938a53007f4561e758b17bc05c9044d78",
+    "nonce": "0x773aba50dc51b462",
+    "number": "1555169",
+    "stateRoot": "0xc4b9703de3e59ff795baae2c3afa010cf039c37244a7a6af7f3f491a10601348",
+    "timestamp": "1590794111",
+    "totalDifficulty": "2242105342155",
+    "alloc": {
+      "0x5ac5599fc9df172c89ee7ec55ad9104ccbfed40d": {
+        "balance": "0x0",
+        "nonce": "0",
+        "code": "0x",
+        "storage": {}
+      },
+      "0x877bd459c9b7d8576b44e59e09d076c25946f443": {
+        "balance": "0x62325b40cbbd0915c4b9",
+        "nonce": "260875",
+        "code": "0x",
+        "storage": {}
+      }
+    },
+    "config": {
+      "chainId": 63,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 0,
+      "eip158Block": 0,
+      "ethash": {},
+      "homesteadBlock": 0,
+      "byzantiumBlock": 0,
+      "constantinopleBlock": 301243,
+      "petersburgBlock": 999983,
+      "istanbulBlock": 999983
+    }
+  },
+  "context": {
+    "number": "1555170",
+    "difficulty": "4642198",
+    "timestamp": "1590794112",
+    "gasLimit": "9289249",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443"
+  },
+  "input": "0xf8658303fb0b843b9aca0083019ee48080915a600055600060006000f0505a6001550081a2a01a7deb3a16d967b766459ef486b00656c6581e5ad58968184a33701e27e0eb8aa07162ccdfe2018d64360a605310a62c399dd586c7282dd42a88c54f02f51d451f",
+  "result": [
+    {
+      "type": "create",
+      "action": {
+        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+        "value": "0x0",
+        "gas": "0xcf08",
+        "init": "0x5a600055600060006000f0505a60015500"
+      },
+      "error": "out of gas",
+      "traceAddress": [],
+      "subtraces": 1,
+      "transactionPosition": 63,
+      "transactionHash": "0x60e881fae3884657b5430925c5d0053535b45cce0b8188f2a6be1feee8bcc650",
+      "blockNumber": 1555170,
+      "blockHash": "0xea46fbf941d51bf1e4180fbf26d22fda3896f49c7f371d109c226de95dd7b02e",
+      "time": "952.736µs"
+    },
+    {
+      "type": "create",
+      "action": {
+        "from": "0x9c5cfe45b15eaff4ad617af4250189e26024a4f8",
+        "value": "0x0",
+        "gas": "0x3cb",
+        "init": "0x"
+      },
+      "result": {
+        "gasUsed": "0x0",
+        "code": "0x",
+        "address": "0x5ac5599fc9df172c89ee7ec55ad9104ccbfed40d"
+      },
+      "traceAddress": [0],
+      "subtraces": 0,
+      "transactionPosition": 63,
+      "transactionHash": "0x60e881fae3884657b5430925c5d0053535b45cce0b8188f2a6be1feee8bcc650",
+      "blockNumber": 1555170,
+      "blockHash": "0xea46fbf941d51bf1e4180fbf26d22fda3896f49c7f371d109c226de95dd7b02e"
+    }
+  ]
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/nested_create_inerror.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/nested_create_inerror.json
new file mode 100644
index 0000000000..a62d4bb645
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/nested_create_inerror.json
@@ -0,0 +1,81 @@
+{
+  "genesis": {
+    "difficulty": "3244991",
+    "extraData": "0x",
+    "gasLimit": "7968787",
+    "hash": "0x62bbf18c203068a8793af8d8360d054f95a63bc62b87ade550861ed490af3f15",
+    "miner": "0x9f2659ffe7b3b467e46dcec3623392cf51635079",
+    "mixHash": "0xc8dec711fd1e03972b6a279a09dc0cd29c5171b60f42c4ce37c7c51ff445f776",
+    "nonce": "0x40b1bbcc25ddb804",
+    "number": "839246",
+    "stateRoot": "0x4bb3b02ec70b837651233957fb61a6ea3fc6a4244c1f55df7a713c154829ec0a",
+    "timestamp": "1581179375",
+    "totalDifficulty": "1023985623933",
+    "alloc": {
+      "0x76554b33410b6d90b7dc889bfed0451ad195f27e": {
+        "balance": "0x0",
+        "nonce": "1",
+        "code": "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",
+        "storage": {}
+      },
+      "0xed69ab7145a9bae7152406d062c077c6ecc6ae18": {
+        "balance": "0x0",
+        "nonce": "0",
+        "code": "0x",
+        "storage": {}
+      },
+      "0xa3b31cbd5168d3c99756660d4b7625d679e12573": {
+        "balance": "0x569bc6535d3083fce",
+        "nonce": "26",
+        "code": "0x",
+        "storage": {}
+      }
+    },
+    "config": {
+      "chainId": 63,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 0,
+      "eip158Block": 0,
+      "ethash": {},
+      "homesteadBlock": 0,
+      "byzantiumBlock": 0,
+      "constantinopleBlock": 301243,
+      "petersburgBlock": 999983,
+      "istanbulBlock": 999983
+    }
+  },
+  "context": {
+    "number": "839247",
+    "difficulty": "3213311",
+    "timestamp": "1581179571",
+    "gasLimit": "7961006",
+    "miner": "0x9f2659ffe7b3b467e46dcec3623392cf51635079"
+  },
+  "input": "0xf86a1a8509502f9000830334509476554b33410b6d90b7dc889bfed0451ad195f27e8084391521f481a2a02e4ff0d171a860c8c7de2283978e2f225f9ba3ed4dec446b773c6b2d73ef22dea02a6a517528b491cb71b204f534db11a1c8059035f54d5bae347d1cab536bde2c",
+  "result": [
+    {
+      "type": "call",
+      "action": {
+        "from": "0xa3b31cbd5168d3c99756660d4b7625d679e12573",
+        "to": "0x76554b33410b6d90b7dc889bfed0451ad195f27e",
+        "value": "0x0",
+        "gas": "0x2e138",
+        "input": "0x391521f4",
+        "callType": "call"
+      },
+      "result": {
+        "gasUsed": "0xd0b5",
+        "output": "0x"
+      },
+      "traceAddress": [],
+      "subtraces": 0,
+      "transactionPosition": 26,
+      "transactionHash": "0xcb1090fa85d2a3da8326b75333e92b3dca89963c895d9c981bfdaa64643135e4",
+      "blockNumber": 839247,
+      "blockHash": "0xce7ff7d84ca97f0f89d6065e2c12409a795c9f607cdb14aef0713cad5d7e311c",
+      "time": "182.267µs"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/nested_pointer_issue.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/nested_pointer_issue.json
new file mode 100644
index 0000000000..792845538f
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/nested_pointer_issue.json
@@ -0,0 +1,189 @@
+{
+  "genesis": {
+    "number": "13535",
+    "hash": "0x6f706fe8026edb51577b57685574dc152dba4e2ebfc8a50bb63a8c95a4f8818d",
+    "nonce": "0x0000000000000000",
+    "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+    "stateRoot": "0x7f54db248a004ca182fe87fdfa6efda97163908b4f0cc84b36a6d60699d5d1be",
+    "miner": "0x0000000000000000000000000000000000000000",
+    "difficulty": "1",
+    "totalDifficulty": "24766",
+    "extraData": "0xf09f928e20407072796c616273206e6f64652d3020f09f928e000000000000001d32ac3baf238e163e18ed6d77b67b0b54b08ad9781dc4ffd93c5ede1ca12c5f21b36ac39c7ebb88dff65da91f5b9461f19873a02602230b931ba388a809119f00",
+    "gasLimit": "8000000",
+    "timestamp": "1549153003",
+    "alloc": {
+      "0x0b1ba0af832d7c05fd64161e0db78e85978e8082": {
+        "balance": "0x0",
+        "nonce": "1",
+        "code": "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",
+        "storage": {
+          "0xbe8a6e3827dad84a671edac41a02b0f5b47b9d0339adb1e9411b9ba4e2118738": "0x0000000000000000000000000000000000000000000000000000000000000000"
+        }
+      },
+      "0x48bacb9266a570d521063ef5dd96e61686dbe788": {
+        "balance": "0x0",
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+        "to": "0x0b1ba0af832d7c05fd64161e0db78e85978e8082",
+        "value": "0x0"
+      },
+      "blockHash": "0x6456fbd35a3a69a1709c324fad114d68507d2c8ab391e9adb128f9734c8e4ae8",
+      "blockNumber": 13536,
+      "result": {
+        "gasUsed": "0x56c8",
+        "output": "0x0000000000000000000000000000000000000000000000000000000000000001"
+      },
+      "subtraces": 0,
+      "traceAddress": [
+        1
+      ],
+      "transactionHash": "0x6974f745a004f030bebb1c01d4595edbda2fafcf01c0bfbd5d335711e2a7b04e",
+      "transactionPosition": 0,
+      "type": "call"
+    },
+    {
+      "action": {
+        "callType": "call",
+        "from": "0x6000eca38b8b5bba64986182fe2a69c57f6b5414",
+        "gas": "0x1d4ee1",
+        "input": "0x095ea7b30000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c48ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+        "to": "0x871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c",
+        "value": "0x0"
+      },
+      "blockHash": "0x6456fbd35a3a69a1709c324fad114d68507d2c8ab391e9adb128f9734c8e4ae8",
+      "blockNumber": 13536,
+      "result": {
+        "gasUsed": "0x56ca",
+        "output": "0x0000000000000000000000000000000000000000000000000000000000000001"
+      },
+      "subtraces": 0,
+      "traceAddress": [
+        2
+      ],
+      "transactionHash": "0x6974f745a004f030bebb1c01d4595edbda2fafcf01c0bfbd5d335711e2a7b04e",
+      "transactionPosition": 0,
+      "type": "call"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/oog.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/oog.json
new file mode 100644
index 0000000000..26ae2f0604
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/oog.json
@@ -0,0 +1,68 @@
+{
+  "context": {
+    "difficulty": "3699098917",
+    "gasLimit": "5258985",
+    "miner": "0xd049bfd667cb46aa3ef5df0da3e57db3be39e511",
+    "number": "2294631",
+    "timestamp": "1513675366"
+  },
+  "genesis": {
+    "alloc": {
+      "0x43064693d3d38ad6a7cb579e0d6d9718c8aa6b62": {
+        "balance": "0x0",
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+        "nonce": "1",
+        "storage": {
+          "0x296b66049cc4f9c8bf3d4f14752add261d1a980b39bdd194a7897baf39ac7579": "0x0000000000000000000000000000000000000000033b2e3c9fc9653f9e72b1e0"
+        }
+      },
+      "0x94194bc2aaf494501d7880b61274a169f6502a54": {
+        "balance": "0xea8c39a876d19888d",
+        "code": "0x",
+        "nonce": "265",
+        "storage": {}
+      }
+    },
+    "config": {
+      "byzantiumBlock": 1700000,
+      "chainId": 3,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "ethash": {},
+      "homesteadBlock": 0
+    },
+    "difficulty": "3699098917",
+    "extraData": "0x4554482e45544846414e532e4f52472d4641313738394444",
+    "gasLimit": "5263953",
+    "hash": "0x03a0f62a8106793dafcfae7b75fd2654322062d585a19cea568314d7205790dc",
+    "miner": "0xbbf5029fd710d227630c8b7d338051b8e76d50b3",
+    "mixHash": "0x15482cc64b7c00a947f5bf015dfc010db1a6a668c74df61974d6a7848c174408",
+    "nonce": "0xd1bdb150f6fd170e",
+    "number": "2294630",
+    "stateRoot": "0x1ab1a534e84cc787cda1db21e0d5920ab06017948075b759166cfea7274657a1",
+    "timestamp": "1513675347",
+    "totalDifficulty": "7160543502214733"
+  },
+  "input": "0xf8ab820109855d21dba00082ca1d9443064693d3d38ad6a7cb579e0d6d9718c8aa6b6280b844a9059cbb000000000000000000000000e77b1ac803616503510bed0086e3a7be2627a69900000000000000000000000000000000000000000000000000000009502f90001ba0ce3ad83f5530136467b7c2bb225f406bd170f4ad59c254e5103c34eeabb5bd69a0455154527224a42ab405cacf0fe92918a75641ce4152f8db292019a5527aa956",
+  "result": [
+    {
+      "action": {
+        "callType": "call",
+        "from": "0x94194bc2aaf494501d7880b61274a169f6502a54",
+        "gas": "0x7045",
+        "input": "0xa9059cbb000000000000000000000000e77b1ac803616503510bed0086e3a7be2627a69900000000000000000000000000000000000000000000000000000009502f9000",
+        "to": "0x43064693d3d38ad6a7cb579e0d6d9718c8aa6b62",
+        "value": "0x0"
+      },
+      "blockNumber": 2294631,
+      "error": "out of gas",
+      "result": {},
+      "subtraces": 0,
+      "traceAddress": [],
+      "type": "call"
+    }
+  ]
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/option_convert_parity_errors.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/option_convert_parity_errors.json
new file mode 100644
index 0000000000..0216c318b5
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/option_convert_parity_errors.json
@@ -0,0 +1,71 @@
+{
+  "context": {
+    "difficulty": "3699098917",
+    "gasLimit": "5258985",
+    "miner": "0xd049bfd667cb46aa3ef5df0da3e57db3be39e511",
+    "number": "2294631",
+    "timestamp": "1513675366"
+  },
+  "genesis": {
+    "alloc": {
+      "0x43064693d3d38ad6a7cb579e0d6d9718c8aa6b62": {
+        "balance": "0x0",
+        "code": "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+        "nonce": "1",
+        "storage": {
+          "0x296b66049cc4f9c8bf3d4f14752add261d1a980b39bdd194a7897baf39ac7579": "0x0000000000000000000000000000000000000000033b2e3c9fc9653f9e72b1e0"
+        }
+      },
+      "0x94194bc2aaf494501d7880b61274a169f6502a54": {
+        "balance": "0xea8c39a876d19888d",
+        "code": "0x",
+        "nonce": "265",
+        "storage": {}
+      }
+    },
+    "config": {
+      "byzantiumBlock": 1700000,
+      "chainId": 3,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "ethash": {},
+      "homesteadBlock": 0
+    },
+    "difficulty": "3699098917",
+    "extraData": "0x4554482e45544846414e532e4f52472d4641313738394444",
+    "gasLimit": "5263953",
+    "hash": "0x03a0f62a8106793dafcfae7b75fd2654322062d585a19cea568314d7205790dc",
+    "miner": "0xbbf5029fd710d227630c8b7d338051b8e76d50b3",
+    "mixHash": "0x15482cc64b7c00a947f5bf015dfc010db1a6a668c74df61974d6a7848c174408",
+    "nonce": "0xd1bdb150f6fd170e",
+    "number": "2294630",
+    "stateRoot": "0x1ab1a534e84cc787cda1db21e0d5920ab06017948075b759166cfea7274657a1",
+    "timestamp": "1513675347",
+    "totalDifficulty": "7160543502214733"
+  },
+  "tracerConfig": {
+    "convertParityErrors": true
+  },
+  "input": "0xf8ab820109855d21dba00082ca1d9443064693d3d38ad6a7cb579e0d6d9718c8aa6b6280b844a9059cbb000000000000000000000000e77b1ac803616503510bed0086e3a7be2627a69900000000000000000000000000000000000000000000000000000009502f90001ba0ce3ad83f5530136467b7c2bb225f406bd170f4ad59c254e5103c34eeabb5bd69a0455154527224a42ab405cacf0fe92918a75641ce4152f8db292019a5527aa956",
+  "result": [
+    {
+      "action": {
+        "callType": "call",
+        "from": "0x94194bc2aaf494501d7880b61274a169f6502a54",
+        "gas": "0x7045",
+        "input": "0xa9059cbb000000000000000000000000e77b1ac803616503510bed0086e3a7be2627a69900000000000000000000000000000000000000000000000000000009502f9000",
+        "to": "0x43064693d3d38ad6a7cb579e0d6d9718c8aa6b62",
+        "value": "0x0"
+      },
+      "blockNumber": 2294631,
+      "error": "Out of gas",
+      "result": {},
+      "subtraces": 0,
+      "traceAddress": [],
+      "type": "call"
+    }
+  ]
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/result_output.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/result_output.json
new file mode 100644
index 0000000000..f58d20cd2b
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/result_output.json
@@ -0,0 +1,111 @@
+{
+  "genesis": {
+    "difficulty": "1911202",
+    "extraData": "0xd883010906846765746888676f312e31332e35856c696e7578",
+    "gasLimit": "7842876",
+    "hash": "0x4d7bc82e0d56307094378e1a8fbfa6260986f621de95b5fe68a95248b3ba8efe",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+    "mixHash": "0xc102ad52677c391edab82cc895ca7a7e9fff3eed4fa966ecf7fb61ec1e84bb6b",
+    "nonce": "0x39f5b074e3437f3f",
+    "number": "553415",
+    "stateRoot": "0x8f89e79109c19fa00e72b400502448540dc4773ad92dddd341dbba20c710a3b5",
+    "timestamp": "1577396195",
+    "totalDifficulty": "458361299240",
+    "alloc": {
+      "0x531f76bad925f6a925474996c7d738c1008045f6": {
+        "balance": "0x0",
+        "nonce": "1",
+        "code": "0x6060604052361561008a576000357c01000000000000000000000000000000000000000000000000000000009004806301cb3b20146102bf57806329dcb0cf146102cc57806338af3eed146102ed5780636e66f6e9146103245780637a3a0e841461035b5780637b3e5e7b1461037c578063a035b1fe1461039d578063dc0d3dff146103be5761008a565b6102bd5b60003490506040604051908101604052803381526020018281526020015060066000506006600050805480919060010190908154818355818115116101365760020281600202836000526020600020918201910161013591906100ec565b808211156101315760006000820160006101000a81549073ffffffffffffffffffffffffffffffffffffffff02191690556001820160005060009055506001016100ec565b5090565b5b505050815481101561000257906000526020600020906002020160005060008201518160000160006101000a81548173ffffffffffffffffffffffffffffffffffffffff0219169083021790555060208201518160010160005055905050806002600082828250540192505081905550600560009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff166390b98a11336004600050548404604051837c0100000000000000000000000000000000000000000000000000000000028152600401808373ffffffffffffffffffffffffffffffffffffffff168152602001828152602001925050506020604051808303816000876161da5a03f1156100025750505060405151507fe842aea7a5f1b01049d752008c53c52890b1a6daf660cf39e8eec506112bbdf633826001604051808473ffffffffffffffffffffffffffffffffffffffff168152602001838152602001828152602001935050505060405180910390a15b50565b005b6102ca6004506104c8565b005b6102d760045061043a565b6040518082815260200191505060405180910390f35b6102f8600450610402565b604051808273ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b61032f60045061044c565b604051808273ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b610366600450610428565b6040518082815260200191505060405180910390f35b610387600450610431565b6040518082815260200191505060405180910390f35b6103a8600450610443565b6040518082815260200191505060405180910390f35b6103cf600480359060200150610472565b604051808373ffffffffffffffffffffffffffffffffffffffff1681526020018281526020019250505060405180910390f35b600060009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1681565b60016000505481565b60026000505481565b60036000505481565b60046000505481565b600560009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1681565b60066000508181548110156100025790600052602060002090600202016000915090508060000160009054906101000a900473ffffffffffffffffffffffffffffffffffffffff16908060010160005054905082565b6000600360005054421015156107d8576001600050546002600050541015156105cf57600060009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff166000600260005054604051809050600060405180830381858888f19350505050507fe842aea7a5f1b01049d752008c53c52890b1a6daf660cf39e8eec506112bbdf6600060009054906101000a900473ffffffffffffffffffffffffffffffffffffffff166002600050546000604051808473ffffffffffffffffffffffffffffffffffffffff168152602001838152602001828152602001935050505060405180910390a161079d565b7fe842aea7a5f1b01049d752008c53c52890b1a6daf660cf39e8eec506112bbdf66000600b600060405180848152602001838152602001828152602001935050505060405180910390a1600090505b60066000505481101561079c57600660005081815481101561000257906000526020600020906002020160005060000160009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff166000600660005083815481101561000257906000526020600020906002020160005060010160005054604051809050600060405180830381858888f19350505050507fe842aea7a5f1b01049d752008c53c52890b1a6daf660cf39e8eec506112bbdf6600660005082815481101561000257906000526020600020906002020160005060000160009054906101000a900473ffffffffffffffffffffffffffffffffffffffff166006600050838154811015610002579060005260206000209060020201600050600101600050546000604051808473ffffffffffffffffffffffffffffffffffffffff168152602001838152602001828152602001935050505060405180910390a15b806001019050805061061e565b5b600060009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16ff5b5b5056",
+        "storage": {
+          "0x0000000000000000000000000000000000000000000000000000000000000006": "0x0000000000000000000000000000000000000000000000000000000000000000",
+          "0xf652222313e28459528d920b65115c16c04f3efc82aaedc97be59f3f377c0d3f": "0x0000000000000000000000000000000000000000000000000000000000000000",
+          "0xf652222313e28459528d920b65115c16c04f3efc82aaedc97be59f3f377c0d40": "0x0000000000000000000000000000000000000000000000000000000000000000",
+          "0x0000000000000000000000000000000000000000000000000000000000000002": "0x0000000000000000000000000000000000000000000000000000000000000000",
+          "0x0000000000000000000000000000000000000000000000000000000000000005": "0x000000000000000000000000b49180d443dc4ca6028de0031ac09337891fd8ce",
+          "0x0000000000000000000000000000000000000000000000000000000000000004": "0x0000000000000000000000000000000000000000000000000de0b6b3a7640000"
+        }
+      },
+      "0xb49180d443dc4ca6028de0031ac09337891fd8ce": {
+        "balance": "0x0",
+        "nonce": "0",
+        "code": "0x",
+        "storage": {}
+      },
+      "0x877bd459c9b7d8576b44e59e09d076c25946f443": {
+        "balance": "0x193e9986e2e3f0c58988",
+        "nonce": "2585",
+        "code": "0x",
+        "storage": {}
+      }
+    },
+    "config": {
+      "chainId": 63,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 0,
+      "eip158Block": 0,
+      "ethash": {},
+      "homesteadBlock": 0,
+      "byzantiumBlock": 0,
+      "constantinopleBlock": 301243,
+      "petersburgBlock": 999983,
+      "istanbulBlock": 999983
+    }
+  },
+  "context": {
+    "number": "553416",
+    "difficulty": "1909336",
+    "timestamp": "1577396224",
+    "gasLimit": "7835218",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443"
+  },
+  "input": "0xf870820a1985e8d4a5100083040b2894531f76bad925f6a925474996c7d738c1008045f6880de0b6b3a76400008081a2a08693170f040d9501b831b404d9e40fba040c5aef4b8974aedc20b3844aea7c32a0476861058ff9b8030c58bcba8be320acc855e4694a633c493fb50fbdb9455489",
+  "result": [
+    {
+      "type": "call",
+      "action": {
+        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+        "to": "0x531f76bad925f6a925474996c7d738c1008045f6",
+        "value": "0xde0b6b3a7640000",
+        "gas": "0x3b920",
+        "input": "0x",
+        "callType": "call"
+      },
+      "result": {
+        "gasUsed": "0x19c3e",
+        "output": "0x"
+      },
+      "traceAddress": [],
+      "subtraces": 1,
+      "transactionPosition": 5,
+      "transactionHash": "0x04d2029a5cbbed30969cdc0a2ca9e9fc6b719e323af0802b52466f07ee0ecada",
+      "blockNumber": 553416,
+      "blockHash": "0x8df024322173d225a09681d35edeaa528aca60743a11a70f854c158862bf5282",
+      "time": "617.42µs"
+    },
+    {
+      "type": "call",
+      "action": {
+        "from": "0x531f76bad925f6a925474996c7d738c1008045f6",
+        "to": "0xb49180d443dc4ca6028de0031ac09337891fd8ce",
+        "value": "0x0",
+        "gas": "0x2164e",
+        "input": "0x90b98a11000000000000000000000000877bd459c9b7d8576b44e59e09d076c25946f4430000000000000000000000000000000000000000000000000000000000000001",
+        "callType": "call"
+      },
+      "result": {
+        "gasUsed": "0x0",
+        "output": "0x"
+      },
+      "traceAddress": [
+        0
+      ],
+      "subtraces": 0,
+      "transactionPosition": 5,
+      "transactionHash": "0x04d2029a5cbbed30969cdc0a2ca9e9fc6b719e323af0802b52466f07ee0ecada",
+      "blockNumber": 553416,
+      "blockHash": "0x8df024322173d225a09681d35edeaa528aca60743a11a70f854c158862bf5282"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/revert.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/revert.json
new file mode 100644
index 0000000000..897aebb0e0
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/revert.json
@@ -0,0 +1,68 @@
+{
+  "context": {
+    "difficulty": "3665057456",
+    "gasLimit": "5232723",
+    "miner": "0xf4d8e706cfb25c0decbbdd4d2e2cc10c66376a3f",
+    "number": "2294501",
+    "timestamp": "1513673601"
+  },
+  "genesis": {
+    "alloc": {
+      "0x0f6cef2b7fbb504782e35aa82a2207e816a2b7a9": {
+        "balance": "0x2a3fc32bcc019283",
+        "code": "0x",
+        "nonce": "10",
+        "storage": {}
+      },
+      "0xabbcd5b340c80b5f1c0545c04c987b87310296ae": {
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+        "nonce": "1",
+        "storage": {}
+      }
+    },
+    "config": {
+      "byzantiumBlock": 1700000,
+      "chainId": 3,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "ethash": {},
+      "homesteadBlock": 0
+    },
+    "difficulty": "3672229776",
+    "extraData": "0x4554482e45544846414e532e4f52472d4641313738394444",
+    "gasLimit": "5227619",
+    "hash": "0xa07b3d6c6bf63f5f981016db9f2d1d93033833f2c17e8bf7209e85f1faf08076",
+    "miner": "0xbbf5029fd710d227630c8b7d338051b8e76d50b3",
+    "mixHash": "0x806e151ce2817be922e93e8d5921fa0f0d0fd213d6b2b9a3fa17458e74a163d0",
+    "nonce": "0xbc5d43adc2c30c7d",
+    "number": "2294500",
+    "stateRoot": "0xca645b335888352ef9d8b1ef083e9019648180b259026572e3139717270de97d",
+    "timestamp": "1513673552",
+    "totalDifficulty": "7160066586979149"
+  },
+  "input": "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",
+  "result": [
+    {
+      "action": {
+        "callType": "call",
+        "from": "0x0f6cef2b7fbb504782e35aa82a2207e816a2b7a9",
+        "gas": "0x2d55e8",
+        "input": "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",
+        "to": "0xabbcd5b340c80b5f1c0545c04c987b87310296ae",
+        "value": "0x0"
+      },
+      "blockNumber": 2294501,
+      "error": "execution reverted",
+      "result": {
+        "gasUsed": "0x719b"
+      },
+      "subtraces": 0,
+      "traceAddress": [],
+      "type": "call"
+    }
+  ]
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/revert_reason.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/revert_reason.json
new file mode 100644
index 0000000000..62dbaf20dc
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/revert_reason.json
@@ -0,0 +1,74 @@
+{
+  "context": {
+    "difficulty": "2",
+    "gasLimit": "8000000",
+    "miner": "0x0000000000000000000000000000000000000000",
+    "number": "3212651",
+    "timestamp": "1597246515"
+  },
+  "genesis": {
+    "alloc": {
+      "0xf58833cf0c791881b494eb79d461e08a1f043f52": {
+        "balance": "0x0",
+        "code": "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+        "nonce": "1",
+        "storage": {
+          "0x6200beec95762de01ce05f2a0e58ce3299dbb53c68c9f3254a242121223cdf58": "0x0000000000000000000000000000000000000000000000000000000000000000"
+        }
+      },
+      "0xf7579c3d8a669c89d5ed246a22eb6db8f6fedbf1": {
+        "balance": "0x57af9d6b3df812900",
+        "code": "0x",
+        "nonce": "6",
+        "storage": {}
+      }
+    },
+    "config": {
+      "byzantiumBlock": 0,
+      "constantinopleBlock": 0,
+      "petersburgBlock": 0,
+      "IstanbulBlock": 1561651,
+      "chainId": 5,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "ethash": {},
+      "homesteadBlock": 0
+    },
+    "difficulty": "3509749784",
+    "extraData": "0x4554482e45544846414e532e4f52472d4641313738394444",
+    "gasLimit": "4727564",
+    "hash": "0x609948ac3bd3c00b7736b933248891d6c901ee28f066241bddb28f4e00a9f440",
+    "miner": "0xbbf5029fd710d227630c8b7d338051b8e76d50b3",
+    "mixHash": "0xb131e4507c93c7377de00e7c271bf409ec7492767142ff0f45c882f8068c2ada",
+    "nonce": "0x4eb12e19c16d43da",
+    "number": "2289805",
+    "stateRoot": "0xc7f10f352bff82fac3c2999d3085093d12652e19c7fd32591de49dc5d91b4f1f",
+    "timestamp": "1513601261",
+    "totalDifficulty": "7143276353481064"
+  },
+  "input": "0xf888068449504f80832dc6c094f58833cf0c791881b494eb79d461e08a1f043f5280a45c19a95c000000000000000000000000f7579c3d8a669c89d5ed246a22eb6db8f6fedbf12da0264664db3e71fae1dbdaf2f53954be149ad3b7ba8a5054b4d89c70febfacc8b1a0212e8398757963f419681839ae8c5a54b411e252473c82d93dda68405ca63294",
+  "result": [
+    {
+      "action": {
+        "callType": "call",
+        "from": "0xf7579c3d8a669c89d5ed246a22eb6db8f6fedbf1",
+        "gas": "0x2d7308",
+        "input": "0x5c19a95c000000000000000000000000f7579c3d8a669c89d5ed246a22eb6db8f6fedbf1",
+        "to": "0xf58833cf0c791881b494eb79d461e08a1f043f52",
+        "value": "0x0"
+      },
+      "blockNumber": 3212651,
+      "error": "execution reverted",
+      "result": {
+        "gasUsed": "0x5940",
+        "output": "0x08c379a00000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001e53656c662d64656c65676174696f6e20697320646973616c6c6f7765642e0000"
+      },
+      "subtraces": 0,
+      "traceAddress": [],
+      "type": "call"
+    }
+  ]
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/selfdestruct.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/selfdestruct.json
new file mode 100644
index 0000000000..cd34d0b6d0
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/selfdestruct.json
@@ -0,0 +1,91 @@
+{
+  "genesis": {
+    "difficulty": "4628640",
+    "extraData": "0xd883010b05846765746888676f312e31342e33856c696e7578",
+    "gasLimit": "9244120",
+    "hash": "0x5a1f551897cc91265225b0453136ad8c7eef1c1c8b06139da4f2e6e710c1f4df",
+    "miner": "0x73f26d124436b0791169d63a3af29c2ae47765a3",
+    "mixHash": "0xd6735e63f8937fe0c5491e0d5836ec28467363be7ada5a2f979f9d107e2c831e",
+    "nonce": "0x7c35e34d2e328d7d",
+    "number": "1555145",
+    "stateRoot": "0x565873b05f71b98595133e37a52d79c3476ce820c05ebedaddd35541b0e894a3",
+    "timestamp": "1590793819",
+    "totalDifficulty": "2241994078605",
+    "alloc": {
+      "0x119f569a45e9d0089d51d7f9529f5ea9bf5785e2": {
+        "balance": "0x0",
+        "nonce": "0",
+        "code": "0x",
+        "storage": {}
+      },
+      "0x877bd459c9b7d8576b44e59e09d076c25946f443": {
+        "balance": "0x622e8fced69d43eb8d97",
+        "nonce": "260140",
+        "code": "0x",
+        "storage": {}
+      }
+    },
+    "config": {
+      "chainId": 63,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 0,
+      "eip158Block": 0,
+      "ethash": {},
+      "homesteadBlock": 0,
+      "byzantiumBlock": 0,
+      "constantinopleBlock": 301243,
+      "petersburgBlock": 999983,
+      "istanbulBlock": 999983
+    }
+  },
+  "context": {
+    "number": "1555146",
+    "difficulty": "4630900",
+    "timestamp": "1590793820",
+    "gasLimit": "9253146",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443"
+  },
+  "input": "0xf8628303f82c843b9aca0083019ecc80808e605a600053600160006001f0ff0081a2a077f539ae2a58746bbfa6370fc423f946870efa32753d697d3729d361a428623aa0384ef9a5650d6630f5c1ddef616bffa5fc72a95a9314361d0918de066aa4475a",
+  "result": [
+    {
+      "type": "create",
+      "action": {
+        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+        "value": "0x0",
+        "gas": "0xcf08",
+        "init": "0x605a600053600160006001f0ff00"
+      },
+      "result": {
+        "gasUsed": "0x102a1",
+        "code": "0x",
+        "address": "0x1d99a1a3efa9181f540f9e24fa6e4e08eb7844ca"
+      },
+      "traceAddress": [],
+      "subtraces": 1,
+      "transactionPosition": 14,
+      "transactionHash": "0xdd76f02407e2f8329303ba688e111cae4f7008ad0d14d6e42c5698424ea36d79",
+      "blockNumber": 1555146,
+      "blockHash": "0xafb4f1dd27b9054c805acb81a88ed04384788cb31d84164c21874935c81e5c7e",
+      "time": "187.145µs"
+    },
+    {
+      "type": "suicide",
+      "action": {
+        "address": "0x1d99a1a3efa9181f540f9e24fa6e4e08eb7844ca",
+        "refundAddress": "0x0000000000000000000000000000000000000000",
+        "balance": "0x0"
+      },
+      "result": null,
+      "traceAddress": [
+        0
+      ],
+      "subtraces": 0,
+      "transactionPosition": 14,
+      "transactionHash": "0xdd76f02407e2f8329303ba688e111cae4f7008ad0d14d6e42c5698424ea36d79",
+      "blockNumber": 1555146,
+      "blockHash": "0xafb4f1dd27b9054c805acb81a88ed04384788cb31d84164c21874935c81e5c7e"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/simple.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/simple.json
new file mode 100644
index 0000000000..6d084410a3
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/simple.json
@@ -0,0 +1,97 @@
+{
+  "context": {
+    "difficulty": "3502894804",
+    "gasLimit": "4722976",
+    "miner": "0x1585936b53834b021f68cc13eeefdec2efc8e724",
+    "number": "2289806",
+    "timestamp": "1513601314"
+  },
+  "genesis": {
+    "alloc": {
+      "0x0024f658a46fbb89d8ac105e98d7ac7cbbaf27c5": {
+        "balance": "0x0",
+        "code": "0x",
+        "nonce": "22",
+        "storage": {}
+      },
+      "0x3b873a919aa0512d5a0f09e6dcceaa4a6727fafe": {
+        "balance": "0x4d87094125a369d9bd5",
+        "code": "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",
+        "nonce": "1",
+        "storage": {
+          "0x0000000000000000000000000000000000000000000000000000000000000000": "0x000000000000000000000001b436ba50d378d4bbc8660d312a13df6af6e89dfb",
+          "0x0000000000000000000000000000000000000000000000000000000000000001": "0x00000000000000000000000000000000000000000000000006f05b59d3b20000",
+          "0x0000000000000000000000000000000000000000000000000000000000000002": "0x000000000000000000000000000000000000000000000000000000000000003c",
+          "0x0000000000000000000000000000000000000000000000000000000000000003": "0x000000000000000000000000000000000000000000000000000000005a37b834"
+        }
+      },
+      "0xb436ba50d378d4bbc8660d312a13df6af6e89dfb": {
+        "balance": "0x1780d77678137ac1b775",
+        "code": "0x",
+        "nonce": "29072",
+        "storage": {}
+      }
+    },
+    "config": {
+      "byzantiumBlock": 1700000,
+      "chainId": 3,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "ethash": {},
+      "homesteadBlock": 0
+    },
+    "difficulty": "3509749784",
+    "extraData": "0x4554482e45544846414e532e4f52472d4641313738394444",
+    "gasLimit": "4727564",
+    "hash": "0x609948ac3bd3c00b7736b933248891d6c901ee28f066241bddb28f4e00a9f440",
+    "miner": "0xbbf5029fd710d227630c8b7d338051b8e76d50b3",
+    "mixHash": "0xb131e4507c93c7377de00e7c271bf409ec7492767142ff0f45c882f8068c2ada",
+    "nonce": "0x4eb12e19c16d43da",
+    "number": "2289805",
+    "stateRoot": "0xc7f10f352bff82fac3c2999d3085093d12652e19c7fd32591de49dc5d91b4f1f",
+    "timestamp": "1513601261",
+    "totalDifficulty": "7143276353481064"
+  },
+  "input": "0xf88b8271908506fc23ac0083015f90943b873a919aa0512d5a0f09e6dcceaa4a6727fafe80a463e4bff40000000000000000000000000024f658a46fbb89d8ac105e98d7ac7cbbaf27c52aa0bdce0b59e8761854e857fe64015f06dd08a4fbb7624f6094893a79a72e6ad6bea01d9dde033cff7bb235a3163f348a6d7ab8d6b52bc0963a95b91612e40ca766a4",
+  "result": [
+    {
+      "action": {
+        "callType": "call",
+        "from": "0xb436ba50d378d4bbc8660d312a13df6af6e89dfb",
+        "gas": "0x10738",
+        "input": "0x63e4bff40000000000000000000000000024f658a46fbb89d8ac105e98d7ac7cbbaf27c5",
+        "to": "0x3b873a919aa0512d5a0f09e6dcceaa4a6727fafe",
+        "value": "0x0"
+      },
+      "blockNumber": 2289806,
+      "result": {
+        "gasUsed": "0x9751",
+        "output": "0x0000000000000000000000000000000000000000000000000000000000000001"
+      },
+      "subtraces": 1,
+      "traceAddress": [],
+      "type": "call"
+    },
+    {
+      "action": {
+        "callType": "call",
+        "from": "0x3b873a919aa0512d5a0f09e6dcceaa4a6727fafe",
+        "gas": "0x6d05",
+        "input": "0x",
+        "to": "0x0024f658a46fbb89d8ac105e98d7ac7cbbaf27c5",
+        "value": "0x6f05b59d3b20000"
+      },
+      "blockNumber": 0,
+      "result": {
+        "gasUsed": "0x0",
+        "output": "0x"
+      },
+      "subtraces": 0,
+      "traceAddress": [0],
+      "type": "call"
+    }
+  ]
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/skip_no_balance_error.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/skip_no_balance_error.json
new file mode 100644
index 0000000000..d530fe908b
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/skip_no_balance_error.json
@@ -0,0 +1,70 @@
+{
+  "genesis": {
+    "difficulty": "4673862",
+    "extraData": "0xd683010b05846765746886676f312e3133856c696e7578",
+    "gasLimit": "9471919",
+    "hash": "0x7f072150c5905c214966e3432d418910badcdbe510aceaac295b1d7059cc0ffc",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+    "mixHash": "0x113ced8fedb939fdc862008da7bdddde726f997c0e6dfba0e55613994757b489",
+    "nonce": "0x0f411a2e5552c5b7",
+    "number": "1555284",
+    "stateRoot": "0x9fe125b361b72d5479b24ad9be9964b74228c73a2dfb0065060a79b4a6dfaa1e",
+    "timestamp": "1590795374",
+    "totalDifficulty": "2242642335405",
+    "alloc": {
+      "0xe85df1413eebe1b191c26260e19783a274a6b041": {
+        "balance": "0x0",
+        "nonce": "0",
+        "code": "0x",
+        "storage": {}
+      },
+      "0x877bd459c9b7d8576b44e59e09d076c25946f443": {
+        "balance": "0x6244c985ef1e48e84531",
+        "nonce": "265775",
+        "code": "0x",
+        "storage": {}
+      }
+    },
+    "config": {
+      "chainId": 63,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 0,
+      "eip158Block": 0,
+      "ethash": {},
+      "homesteadBlock": 0,
+      "byzantiumBlock": 0,
+      "constantinopleBlock": 301243,
+      "petersburgBlock": 999983,
+      "istanbulBlock": 999983
+    }
+  },
+  "context": {
+    "number": "1555285",
+    "difficulty": "4676144",
+    "timestamp": "1590795378",
+    "gasLimit": "9481167",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443"
+  },
+  "input": "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",
+  "result": [
+    {
+      "type": "create",
+      "action": {
+        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+        "value": "0x0",
+        "gas": "0xd550",
+        "init": "0x7f000000000000000000000000945304eb96065b2a98b57a48a06ae28d285a71b57f000000000000000000000000000000000000000000000000000000000000c3507f000000000000000000000000945304eb96065b2a98b57a48a06ae28d285a71b5547f000000000000000000000000000000000000000000000000000000000000c3507f000000000000000000000000000000000000000000000000000000000000c3507f00000000000000000000000000000000000000000000000000000000000000007f000000000000000000000000000000000000000000000000000000000000000037f055"
+      },
+      "error": "out of gas",
+      "traceAddress": [],
+      "subtraces": 0,
+      "transactionPosition": 16,
+      "transactionHash": "0x384487e5ae8d2997aece8e28403d393cb9752425e6de358891bed981c5af1c05",
+      "blockNumber": 1555285,
+      "blockHash": "0x93231d8e9662adb4c5c703583a92c7b3112cd5448f43ab4fa1f0f00a0183ed3f",
+      "time": "665.278µs"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/staticcall_precompiled.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/staticcall_precompiled.json
new file mode 100644
index 0000000000..9291149bdb
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/staticcall_precompiled.json
@@ -0,0 +1,83 @@
+{
+  "genesis": {
+    "difficulty": "2028219",
+    "extraData": "0xd883010906846765746888676f312e31332e35856c696e7578",
+    "gasLimit": "23481547",
+    "hash": "0x3c06114e88c26b52decfe4e5f6d4d51cfaaea0317b646017fac32fadbe7df9f5",
+    "miner": "0x2a1442b4fbabf7b5507c13ccf076a547abfaeb1b",
+    "mixHash": "0x46108f74220c5ab23651f93912b14fea37ed1380d22e10639a1f5651c98cb949",
+    "nonce": "0x426a5267e0b636fe",
+    "number": "567687",
+    "stateRoot": "0x7b4b193fe73ef87101c7c325954681861cc240c299d03459784b2b11c9c522ae",
+    "timestamp": "1577578008",
+    "totalDifficulty": "485254950048",
+    "alloc": {
+      "0x8521f13dd5e4bc3dab3cf0f01a195a5af899e851": {
+        "balance": "0x0",
+        "nonce": "1",
+        "code": 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+        "storage": {
+          "0x05b8ccbb9d4d8fb16ea74ce3c29a41f1b461fbdaff4714a0d9a8eb05499746bc": "0x0000000000000000000000000000000000000000000000000000000000000000",
+          "0xa54c2b4154b4f221d71d6d5bc0ec905c931a021bb6fb138fc0495bb0373e2276": "0x0000000000000000000000000000000000000000000000000000000000000000"
+        }
+      },
+      "0x0000000000000000000000000000000000000001": {
+        "balance": "0x0",
+        "nonce": "0",
+        "code": "0x",
+        "storage": {}
+      },
+      "0x877bd459c9b7d8576b44e59e09d076c25946f443": {
+        "balance": "0xcec3d4daf44926cc41e",
+        "nonce": "147795",
+        "code": "0x",
+        "storage": {}
+      }
+    },
+    "config": {
+      "chainId": 63,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 0,
+      "eip158Block": 0,
+      "ethash": {},
+      "homesteadBlock": 0,
+      "byzantiumBlock": 0,
+      "constantinopleBlock": 301243,
+      "petersburgBlock": 999983,
+      "istanbulBlock": 999983
+    }
+  },
+  "context": {
+    "number": "567688",
+    "difficulty": "2028219",
+    "timestamp": "1577578023",
+    "gasLimit": "23504477",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443"
+  },
+  "input": "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",
+  "result": [
+    {
+      "action": {
+        "author": "0x0000000000000000000000000000000000000000",
+        "address": "0x0000000000000000000000000000000000000000",
+        "balance": "0x0",
+        "callType": "call",
+        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+        "gas": "0x4053e",
+        "input": "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",
+        "refundAddress": "0x0000000000000000000000000000000000000000",
+        "to": "0x8521f13dd5e4bc3dab3cf0f01a195a5af899e851",
+        "value": "0x0"
+      },
+      "error": "execution reverted",
+      "result": {
+        "gasUsed": "0x947c"
+      },
+      "subtraces": 0,
+      "traceAddress": [],
+      "type": "call"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/suicide.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/suicide.json
new file mode 100644
index 0000000000..bd9e057c02
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/suicide.json
@@ -0,0 +1,92 @@
+{
+  "genesis": {
+    "number": "553153",
+    "hash": "0x88bde20840880a1f3fba92121912a3cc0d3b26d76e4d914fbd85fc2e43da3b3f",
+    "nonce": "0x7be554ffe4b82fc2",
+    "mixHash": "0xf73d2ff3c16599c3b8a24b9ebde6c09583b5ee3f747d3cd37845d564f4c8d87a",
+    "stateRoot": "0x40b5f53d610108947688a04fb68838ff9c0aa0dd6e54156b682537192171ff5c",
+    "miner": "0x774c398d763161f55b66a646f17edda4addad2ca",
+    "difficulty": "1928226",
+    "totalDifficulty": "457857582215",
+    "extraData": "0xd983010907846765746888676f312e31332e358664617277696e",
+    "gasLimit": "7999473",
+    "timestamp": "1577392669",
+    "alloc": {
+      "0x877bd459c9b7d8576b44e59e09d076c25946f443": {
+        "balance": "0x19bb4ac611ca7a1fc881",
+        "nonce": "701",
+        "code": "0x",
+        "storage": {}
+      },
+      "0x8ee79c5b3f6e1d214d2c4fcf7ea4092a32e26e91": {
+        "balance": "0x0",
+        "nonce": "1",
+        "code": "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",
+        "storage": {
+          "0x0000000000000000000000000000000000000000000000000000000000000000": "0x000000000000000000000000877bd459c9b7d8576b44e59e09d076c25946f443"
+        }
+      }
+    },
+    "config": {
+      "chainId": 63,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 0,
+      "eip158Block": 0,
+      "ethash": {},
+      "homesteadBlock": 0,
+      "byzantiumBlock": 0,
+      "constantinopleBlock": 301243,
+      "petersburgBlock": 999983,
+      "istanbulBlock": 999983
+    }
+  },
+  "context": {
+    "number": "553154",
+    "difficulty": "1929167",
+    "timestamp": "1577392670",
+    "gasLimit": "8000000",
+    "miner": "0x877bd459c9b7d8576b44e59e09d076c25946f443"
+  },
+  "input": "0xf86c8202bd850ee6b280008344aa20948ee79c5b3f6e1d214d2c4fcf7ea4092a32e26e91808441c0e1b581a2a03f95ca5cdf7fd727630341c4c6aa1b64ccd9949bd9ecc72cfdd7ce17a2013a69a06d34795ef7fb0108a6dbee4ae0a1bdc48dcd2a4ee53bb6a33d45515af07bb9a8",
+  "result": [
+    {
+      "action": {
+        "callType": "call",
+        "from": "0x877bd459c9b7d8576b44e59e09d076c25946f443",
+        "gas": "0x445708",
+        "input": "0x41c0e1b5",
+        "to": "0x8ee79c5b3f6e1d214d2c4fcf7ea4092a32e26e91",
+        "value": "0x0"
+      },
+      "blockHash": "0xf641c3b0f82b07cd3a528adb9927dd83eeb4f1682e2bd523ed36888e0d82c9a9",
+      "blockNumber": 553154,
+      "result": {
+        "gasUsed": "0x347a",
+        "output": "0x"
+      },
+      "subtraces": 1,
+      "traceAddress": [],
+      "transactionHash": "0x6af0a5c3188ffacae4d340d4a17e14fdb5a54187683a80ef241bde248189882b",
+      "transactionPosition": 15,
+      "type": "call"
+    },
+    {
+      "action": {
+        "address": "0x8ee79c5b3f6e1d214d2c4fcf7ea4092a32e26e91",
+        "balance": "0x0",
+        "refundAddress": "0x877bd459c9b7d8576b44e59e09d076c25946f443"
+      },
+      "blockHash": "0xf641c3b0f82b07cd3a528adb9927dd83eeb4f1682e2bd523ed36888e0d82c9a9",
+      "blockNumber": 553154,
+      "subtraces": 0,
+      "traceAddress": [
+        0
+      ],
+      "transactionHash": "0x6af0a5c3188ffacae4d340d4a17e14fdb5a54187683a80ef241bde248189882b",
+      "transactionPosition": 15,
+      "type": "suicide"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/throw.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/throw.json
new file mode 100644
index 0000000000..b119bed528
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/throw.json
@@ -0,0 +1,70 @@
+{
+  "context": {
+    "difficulty": "117009631",
+    "gasLimit": "4712388",
+    "miner": "0x294e5d6c39a36ce38af1dca70c1060f78dee8070",
+    "number": "25009",
+    "timestamp": "1479891666"
+  },
+  "genesis": {
+    "alloc": {
+      "0x70c9217d814985faef62b124420f8dfbddd96433": {
+        "balance": "0x4ecd70668f5d854a",
+        "code": "0x",
+        "nonce": "1638",
+        "storage": {}
+      },
+      "0xc212e03b9e060e36facad5fd8f4435412ca22e6b": {
+        "balance": "0x0",
+        "code": "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+        "nonce": "1",
+        "storage": {
+          "0x0000000000000000000000000000000000000000000000000000000000000001": "0x0000000000000000000000002cccf5e0538493c235d1c5ef6580f77d99e91396",
+          "0x0000000000000000000000000000000000000000000000000000000000000002": "0x00000000000000000000000000000000000000000000000000000000000061a9",
+          "0x0000000000000000000000000000000000000000000000000000000000000005": "0x00000000000000000000000070c9217d814985faef62b124420f8dfbddd96433"
+        }
+      }
+    },
+    "config": {
+      "byzantiumBlock": 1700000,
+      "chainId": 3,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "ethash": {},
+      "homesteadBlock": 0
+    },
+    "difficulty": "117066792",
+    "extraData": "0xd783010502846765746887676f312e372e33856c696e7578",
+    "gasLimit": "4712388",
+    "hash": "0xe23e8d4562a1045b70cbc99fefb20c101a8f0fc8559a80d65fea8896e2f1d46e",
+    "miner": "0x71842f946b98800fe6feb49f0ae4e253259031c9",
+    "mixHash": "0x0aada9d6e93dd4db0d09c0488dc0a048fca2ccdc1f3fc7b83ba2a8d393a3a4ff",
+    "nonce": "0x70849d5838dee2e9",
+    "number": "25008",
+    "stateRoot": "0x1e01d2161794768c5b917069e73d86e8dca80cd7f3168c0597de420ab93a3b7b",
+    "timestamp": "1479891641",
+    "totalDifficulty": "1896347038589"
+  },
+  "input": "0xf88b8206668504a817c8008303d09094c212e03b9e060e36facad5fd8f4435412ca22e6b80a451a34eb8000000000000000000000000000000000000000000000027fad02094277c000029a0692a3b4e7b2842f8dd7832e712c21e09f451f416c8976d5b8d02e8c0c2b4bea9a07645e90fc421b63dd755767fd93d3c03b4ec0c4d8fafa059558d08cf11d59750",
+  "result": [
+    {
+      "action": {
+        "callType": "call",
+        "from": "0x70c9217d814985faef62b124420f8dfbddd96433",
+        "gas": "0x37b38",
+        "input": "0x51a34eb8000000000000000000000000000000000000000000000027fad02094277c0000",
+        "to": "0xc212e03b9e060e36facad5fd8f4435412ca22e6b",
+        "value": "0x0"
+      },
+      "blockNumber": 25009,
+      "error": "invalid jump destination",
+      "result": {},
+      "subtraces": 0,
+      "traceAddress": [],
+      "type": "call"
+    }
+  ]
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/create.json b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/create.json
new file mode 100644
index 0000000000..8557f8efd6
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/create.json
@@ -0,0 +1,58 @@
+{
+  "context": {
+    "difficulty": "3755480783",
+    "gasLimit": "5401723",
+    "miner": "0xd049bfd667cb46aa3ef5df0da3e57db3be39e511",
+    "number": "2294702",
+    "timestamp": "1513676146"
+  },
+  "genesis": {
+    "alloc": {
+      "0x13e4acefe6a6700604929946e70e6443e4e73447": {
+        "balance": "0xcf3e0938579f000",
+        "code": "0x",
+        "nonce": "9",
+        "storage": {}
+      },
+      "0x7dc9c9730689ff0b0fd506c67db815f12d90a448": {
+        "balance": "0x0",
+        "code": "0x",
+        "nonce": "0",
+        "storage": {}
+      }
+    },
+    "config": {
+      "byzantiumBlock": 1700000,
+      "chainId": 3,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "ethash": {},
+      "homesteadBlock": 0
+    },
+    "difficulty": "3757315409",
+    "extraData": "0x566961425443",
+    "gasLimit": "5406414",
+    "hash": "0xae107f592eebdd9ff8d6ba00363676096e6afb0e1007a7d3d0af88173077378d",
+    "miner": "0xd049bfd667cb46aa3ef5df0da3e57db3be39e511",
+    "mixHash": "0xc927aa05a38bc3de864e95c33b3ae559d3f39c4ccd51cef6f113f9c50ba0caf1",
+    "nonce": "0x93363bbd2c95f410",
+    "number": "2294701",
+    "stateRoot": "0x6b6737d5bde8058990483e915866bd1578014baeff57bd5e4ed228a2bfad635c",
+    "timestamp": "1513676127",
+    "totalDifficulty": "7160808139332585"
+  },
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+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/deep_calls.json b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/deep_calls.json
new file mode 100644
index 0000000000..ef28a930b3
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/deep_calls.json
@@ -0,0 +1,415 @@
+{
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+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/delegatecall.json b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/delegatecall.json
new file mode 100644
index 0000000000..c4c1390fa2
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/delegatecall.json
@@ -0,0 +1,97 @@
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+    },
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+    "extraData": "0xd783010502846765746887676f312e372e33856c696e7578",
+    "gasLimit": "4712388",
+    "hash": "0x0855914bdc581bccdc62591fd438498386ffb59ea4d5361ed5c3702e26e2c72f",
+    "miner": "0x334391aa808257952a462d1475562ee2106a6c90",
+    "mixHash": "0x64bb70b8ca883cadb8fbbda2c70a861612407864089ed87b98e5de20acceada6",
+    "nonce": "0x684129f283aaef18",
+    "number": "11494",
+    "stateRoot": "0x7057f31fe3dab1d620771adad35224aae43eb70e94861208bc84c557ff5b9d10",
+    "timestamp": "1479735912",
+    "totalDifficulty": "90744064339"
+  },
+  "input": "0xf889448504a817c800832dc6c094269296dddce321a6bcbaa2f0181127593d732cba80a47065cb480000000000000000000000001523e55a1ca4efbae03355775ae89f8d7699ad9e29a080ed81e4c5e9971a730efab4885566e2c868cd80bd4166d0ed8c287fdf181650a069d7c49215e3d4416ad239cd09dbb71b9f04c16b33b385d14f40b618a7a65115",
+  "result": {
+    "calls": [
+      {
+        "calls": [
+          {
+            "from": "0x13204f5d64c28326fd7bd05fd4ea855302d7f2ff",
+            "gas": "0x2bf459",
+            "gasUsed": "0x2aa",
+            "input": "0x7d65837a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a529806c67cc6486d4d62024471772f47f6fd672",
+            "output": "0x0000000000000000000000000000000000000000000000000000000000000001",
+            "to": "0x42b02b5deeb78f34cd5ac896473b63e6c99a71a2",
+            "type": "DELEGATECALL"
+          }
+        ],
+        "from": "0x269296dddce321a6bcbaa2f0181127593d732cba",
+        "gas": "0x2cae73",
+        "gasUsed": "0xa9d",
+        "input": "0x5dbe47e8000000000000000000000000a529806c67cc6486d4d62024471772f47f6fd672",
+        "output": "0x0000000000000000000000000000000000000000000000000000000000000001",
+        "to": "0x13204f5d64c28326fd7bd05fd4ea855302d7f2ff",
+        "type": "CALL",
+        "value": "0x0"
+      }
+    ],
+    "from": "0xa529806c67cc6486d4d62024471772f47f6fd672",
+    "gas": "0x2d6e28",
+    "gasUsed": "0xbd55",
+    "input": "0x7065cb480000000000000000000000001523e55a1ca4efbae03355775ae89f8d7699ad9e",
+    "output": "0x",
+    "to": "0x269296dddce321a6bcbaa2f0181127593d732cba",
+    "type": "CALL",
+    "value": "0x0"
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/inner_create_oog_outer_throw.json b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/inner_create_oog_outer_throw.json
new file mode 100644
index 0000000000..0b60e34d0e
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/inner_create_oog_outer_throw.json
@@ -0,0 +1,77 @@
+{
+  "context": {
+    "difficulty": "3451177886",
+    "gasLimit": "4709286",
+    "miner": "0x1585936b53834b021f68cc13eeefdec2efc8e724",
+    "number": "2290744",
+    "timestamp": "1513616439"
+  },
+  "genesis": {
+    "alloc": {
+      "0x1d3ddf7caf024f253487e18bc4a15b1a360c170a": {
+        "balance": "0x0",
+        "code": 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+    "timestamp": "1513616414",
+    "totalDifficulty": "7146523769022564"
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+        "type": "CREATE",
+        "value": "0x0"
+      }
+    ],
+    "error": "invalid jump destination",
+    "from": "0xe4a13bc304682a903e9472f469c33801dd18d9e8",
+    "gas": "0x435c8",
+    "gasUsed": "0x493e0",
+    "input": "0x3b91f506000000000000000000000000a14bdd7e5666d784dcce98ad24d383a6b1cd4182000000000000000000000000e4a13bc304682a903e9472f469c33801dd18d9e8",
+    "to": "0x1d3ddf7caf024f253487e18bc4a15b1a360c170a",
+    "type": "CALL",
+    "value": "0x0"
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/inner_instafail.json b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/inner_instafail.json
new file mode 100644
index 0000000000..c1ed766ef9
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/inner_instafail.json
@@ -0,0 +1,72 @@
+{
+  "genesis": {
+    "difficulty": "117067574",
+    "extraData": "0xd783010502846765746887676f312e372e33856c696e7578",
+    "gasLimit": "4712380",
+    "hash": "0xe05db05eeb3f288041ecb10a787df121c0ed69499355716e17c307de313a4486",
+    "miner": "0x0c062b329265c965deef1eede55183b3acb8f611",
+    "mixHash": "0xb669ae39118a53d2c65fd3b1e1d3850dd3f8c6842030698ed846a2762d68b61d",
+    "nonce": "0x2b469722b8e28c45",
+    "number": "24973",
+    "stateRoot": "0x532a5c3f75453a696428db078e32ae283c85cb97e4d8560dbdf022adac6df369",
+    "timestamp": "1479891145",
+    "totalDifficulty": "1892250259406",
+    "alloc": {
+      "0x6c06b16512b332e6cd8293a2974872674716ce18": {
+        "balance": "0x0",
+        "nonce": "1",
+        "code": "0x60606040526000357c0100000000000000000000000000000000000000000000000000000000900480632e1a7d4d146036575b6000565b34600057604e60048080359060200190919050506050565b005b3373ffffffffffffffffffffffffffffffffffffffff166108fc829081150290604051809050600060405180830381858888f19350505050505b5056",
+        "storage": {}
+      },
+      "0x66fdfd05e46126a07465ad24e40cc0597bc1ef31": {
+        "balance": "0x229ebbb36c3e0f20",
+        "nonce": "3",
+        "code": "0x",
+        "storage": {}
+      }
+    },
+    "config": {
+      "chainId": 3,
+      "homesteadBlock": 0,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "byzantiumBlock": 1700000,
+      "constantinopleBlock": 4230000,
+      "petersburgBlock": 4939394,
+      "istanbulBlock": 6485846,
+      "muirGlacierBlock": 7117117,
+      "ethash": {}
+    }
+  },
+  "context": {
+    "number": "24974",
+    "difficulty": "117067574",
+    "timestamp": "1479891162",
+    "gasLimit": "4712388",
+    "miner": "0xc822ef32e6d26e170b70cf761e204c1806265914"
+  },
+  "input": "0xf889038504a81557008301f97e946c06b16512b332e6cd8293a2974872674716ce1880a42e1a7d4d00000000000000000000000000000000000000000000000014d1120d7b1600002aa0e2a6558040c5d72bc59f2fb62a38993a314c849cd22fb393018d2c5af3112095a01bdb6d7ba32263ccc2ecc880d38c49d9f0c5a72d8b7908e3122b31356d349745",
+  "result": {
+    "type": "CALL",
+    "from": "0x66fdfd05e46126a07465ad24e40cc0597bc1ef31",
+    "to": "0x6c06b16512b332e6cd8293a2974872674716ce18",
+    "value": "0x0",
+    "gas": "0x1a466",
+    "gasUsed": "0x72de",
+    "input": "0x2e1a7d4d00000000000000000000000000000000000000000000000014d1120d7b160000",
+    "output": "0x",
+    "calls": [
+      {
+        "type": "CALL",
+        "from": "0x6c06b16512b332e6cd8293a2974872674716ce18",
+        "to": "0x66fdfd05e46126a07465ad24e40cc0597bc1ef31",
+        "value": "0x14d1120d7b160000",
+        "error":"internal failure",
+        "input": "0x"
+      }
+    ]
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/inner_throw_outer_revert.json b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/inner_throw_outer_revert.json
new file mode 100644
index 0000000000..2be2dee23f
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/inner_throw_outer_revert.json
@@ -0,0 +1,81 @@
+{
+  "context": {
+    "difficulty": "3956606365",
+    "gasLimit": "5413248",
+    "miner": "0x00d8ae40d9a06d0e7a2877b62e32eb959afbe16d",
+    "number": "2295104",
+    "timestamp": "1513681256"
+  },
+  "genesis": {
+    "alloc": {
+      "0x33056b5dcac09a9b4becad0e1dcf92c19bd0af76": {
+        "balance": "0x0",
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+        "nonce": "1",
+        "storage": {}
+      }
+    },
+    "config": {
+      "byzantiumBlock": 1700000,
+      "chainId": 3,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "ethash": {},
+      "homesteadBlock": 0
+    },
+    "difficulty": "3956606365",
+    "extraData": "0x566961425443",
+    "gasLimit": "5418523",
+    "hash": "0x6f37eb930a25da673ea1bb80fd9e32ddac19cdf7cd4bb2eac62cc13598624077",
+    "miner": "0xd049bfd667cb46aa3ef5df0da3e57db3be39e511",
+    "mixHash": "0x10971cde68c587c750c23b8589ae868ce82c2c646636b97e7d9856470c5297c7",
+    "nonce": "0x810f923ff4b450a1",
+    "number": "2295103",
+    "stateRoot": "0xff403612573d76dfdaf4fea2429b77dbe9764021ae0e38dc8ac79a3cf551179e",
+    "timestamp": "1513681246",
+    "totalDifficulty": "7162347056825919"
+  },
+  "input": "0xf86d808504e3b292008307dfa69433056b5dcac09a9b4becad0e1dcf92c19bd0af76880e92596fd62900008029a0e5f27bb66431f7081bb7f1f242003056d7f3f35414c352cd3d1848b52716dac2a07d0be78980edb0bd2a0678fc53aa90ea9558ce346b0d947967216918ac74ccea",
+  "result": {
+    "calls": [
+      {
+        "error": "invalid opcode: INVALID",
+        "from": "0x33056b5dcac09a9b4becad0e1dcf92c19bd0af76",
+        "gas": "0x75fe3",
+        "gasUsed": "0x75fe3",
+        "input": "0xa9059cbb000000000000000000000000d4fcab9f0a6dc0493af47c864f6f17a8a5e2e82600000000000000000000000000000000000000000000000000000000000002f4",
+        "to": "0xe819f024b41358d2c08e3a868a5c5dd0566078d4",
+        "type": "CALL",
+        "value": "0x0"
+      }
+    ],
+    "error": "execution reverted",
+    "from": "0xd4fcab9f0a6dc0493af47c864f6f17a8a5e2e826",
+    "gas": "0x78d9e",
+    "gasUsed": "0x7c1c8",
+    "input": "0x",
+    "to": "0x33056b5dcac09a9b4becad0e1dcf92c19bd0af76",
+    "type": "CALL",
+    "value": "0xe92596fd6290000"
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/oog.json b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/oog.json
new file mode 100644
index 0000000000..8022f53a99
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/oog.json
@@ -0,0 +1,60 @@
+{
+  "context": {
+    "difficulty": "3699098917",
+    "gasLimit": "5258985",
+    "miner": "0xd049bfd667cb46aa3ef5df0da3e57db3be39e511",
+    "number": "2294631",
+    "timestamp": "1513675366"
+  },
+  "genesis": {
+    "alloc": {
+      "0x43064693d3d38ad6a7cb579e0d6d9718c8aa6b62": {
+        "balance": "0x0",
+        "code": 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+        "nonce": "1",
+        "storage": {
+          "0x296b66049cc4f9c8bf3d4f14752add261d1a980b39bdd194a7897baf39ac7579": "0x0000000000000000000000000000000000000000033b2e3c9fc9653f9e72b1e0"
+        }
+      },
+      "0x94194bc2aaf494501d7880b61274a169f6502a54": {
+        "balance": "0xea8c39a876d19888d",
+        "code": "0x",
+        "nonce": "265",
+        "storage": {}
+      }
+    },
+    "config": {
+      "byzantiumBlock": 1700000,
+      "chainId": 3,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "ethash": {},
+      "homesteadBlock": 0
+    },
+    "difficulty": "3699098917",
+    "extraData": "0x4554482e45544846414e532e4f52472d4641313738394444",
+    "gasLimit": "5263953",
+    "hash": "0x03a0f62a8106793dafcfae7b75fd2654322062d585a19cea568314d7205790dc",
+    "miner": "0xbbf5029fd710d227630c8b7d338051b8e76d50b3",
+    "mixHash": "0x15482cc64b7c00a947f5bf015dfc010db1a6a668c74df61974d6a7848c174408",
+    "nonce": "0xd1bdb150f6fd170e",
+    "number": "2294630",
+    "stateRoot": "0x1ab1a534e84cc787cda1db21e0d5920ab06017948075b759166cfea7274657a1",
+    "timestamp": "1513675347",
+    "totalDifficulty": "7160543502214733"
+  },
+  "input": "0xf8ab820109855d21dba00082ca1d9443064693d3d38ad6a7cb579e0d6d9718c8aa6b6280b844a9059cbb000000000000000000000000e77b1ac803616503510bed0086e3a7be2627a69900000000000000000000000000000000000000000000000000000009502f90001ba0ce3ad83f5530136467b7c2bb225f406bd170f4ad59c254e5103c34eeabb5bd69a0455154527224a42ab405cacf0fe92918a75641ce4152f8db292019a5527aa956",
+  "result": {
+    "error": "out of gas",
+    "from": "0x94194bc2aaf494501d7880b61274a169f6502a54",
+    "gas": "0x7045",
+    "gasUsed": "0xca1d",
+    "input": "0xa9059cbb000000000000000000000000e77b1ac803616503510bed0086e3a7be2627a69900000000000000000000000000000000000000000000000000000009502f9000",
+    "to": "0x43064693d3d38ad6a7cb579e0d6d9718c8aa6b62",
+    "type": "CALL",
+    "value": "0x0"
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/revert.json b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/revert.json
new file mode 100644
index 0000000000..aee894d11f
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/revert.json
@@ -0,0 +1,58 @@
+{
+  "context": {
+    "difficulty": "3665057456",
+    "gasLimit": "5232723",
+    "miner": "0xf4d8e706cfb25c0decbbdd4d2e2cc10c66376a3f",
+    "number": "2294501",
+    "timestamp": "1513673601"
+  },
+  "genesis": {
+    "alloc": {
+      "0x0f6cef2b7fbb504782e35aa82a2207e816a2b7a9": {
+        "balance": "0x2a3fc32bcc019283",
+        "code": "0x",
+        "nonce": "10",
+        "storage": {}
+      },
+      "0xabbcd5b340c80b5f1c0545c04c987b87310296ae": {
+        "balance": "0x0",
+        "code": "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",
+        "nonce": "1",
+        "storage": {}
+      }
+    },
+    "config": {
+      "byzantiumBlock": 1700000,
+      "chainId": 3,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "ethash": {},
+      "homesteadBlock": 0
+    },
+    "difficulty": "3672229776",
+    "extraData": "0x4554482e45544846414e532e4f52472d4641313738394444",
+    "gasLimit": "5227619",
+    "hash": "0xa07b3d6c6bf63f5f981016db9f2d1d93033833f2c17e8bf7209e85f1faf08076",
+    "miner": "0xbbf5029fd710d227630c8b7d338051b8e76d50b3",
+    "mixHash": "0x806e151ce2817be922e93e8d5921fa0f0d0fd213d6b2b9a3fa17458e74a163d0",
+    "nonce": "0xbc5d43adc2c30c7d",
+    "number": "2294500",
+    "stateRoot": "0xca645b335888352ef9d8b1ef083e9019648180b259026572e3139717270de97d",
+    "timestamp": "1513673552",
+    "totalDifficulty": "7160066586979149"
+  },
+  "input": "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",
+  "result": {
+    "error": "execution reverted",
+    "from": "0x0f6cef2b7fbb504782e35aa82a2207e816a2b7a9",
+    "gas": "0x2d55e8",
+    "gasUsed": "0x719b",
+    "input": "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",
+    "to": "0xabbcd5b340c80b5f1c0545c04c987b87310296ae",
+    "type": "CALL",
+    "value": "0x0"
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/revert_reason.json b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/revert_reason.json
new file mode 100644
index 0000000000..4f7fee97d9
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/revert_reason.json
@@ -0,0 +1,64 @@
+{
+  "context": {
+    "difficulty": "2",
+    "gasLimit": "8000000",
+    "miner": "0x0000000000000000000000000000000000000000",
+    "number": "3212651",
+    "timestamp": "1597246515"
+  },
+  "genesis": {
+    "alloc": {
+      "0xf58833cf0c791881b494eb79d461e08a1f043f52": {
+        "balance": "0x0",
+        "code": "0x608060405234801561001057600080fd5b50600436106100a5576000357c010000000000000000000000000000000000000000000000000000000090048063609ff1bd11610078578063609ff1bd146101af5780639e7b8d61146101cd578063a3ec138d14610211578063e2ba53f0146102ae576100a5565b80630121b93f146100aa578063013cf08b146100d85780632e4176cf146101215780635c19a95c1461016b575b600080fd5b6100d6600480360360208110156100c057600080fd5b81019080803590602001909291905050506102cc565b005b610104600480360360208110156100ee57600080fd5b8101908080359060200190929190505050610469565b604051808381526020018281526020019250505060405180910390f35b61012961049a565b604051808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b6101ad6004803603602081101561018157600080fd5b81019080803573ffffffffffffffffffffffffffffffffffffffff1690602001909291905050506104bf565b005b6101b76108db565b6040518082815260200191505060405180910390f35b61020f600480360360208110156101e357600080fd5b81019080803573ffffffffffffffffffffffffffffffffffffffff169060200190929190505050610952565b005b6102536004803603602081101561022757600080fd5b81019080803573ffffffffffffffffffffffffffffffffffffffff169060200190929190505050610b53565b60405180858152602001841515151581526020018373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200182815260200194505050505060405180910390f35b6102b6610bb0565b6040518082815260200191505060405180910390f35b6000600160003373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020905060008160000154141561038a576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260148152602001807f486173206e6f20726967687420746f20766f746500000000000000000000000081525060200191505060405180910390fd5b8060010160009054906101000a900460ff161561040f576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252600e8152602001807f416c726561647920766f7465642e00000000000000000000000000000000000081525060200191505060405180910390fd5b60018160010160006101000a81548160ff02191690831515021790555081816002018190555080600001546002838154811061044757fe5b9060005260206000209060020201600101600082825401925050819055505050565b6002818154811061047657fe5b90600052602060002090600202016000915090508060000154908060010154905082565b6000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1681565b6000600160003373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002090508060010160009054906101000a900460ff1615610587576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260128152602001807f596f7520616c726561647920766f7465642e000000000000000000000000000081525060200191505060405180910390fd5b3373ffffffffffffffffffffffffffffffffffffffff168273ffffffffffffffffffffffffffffffffffffffff161415610629576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252601e8152602001807f53656c662d64656c65676174696f6e20697320646973616c6c6f7765642e000081525060200191505060405180910390fd5b5b600073ffffffffffffffffffffffffffffffffffffffff16600160008473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060010160019054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16146107cc57600160008373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060010160019054906101000a900473ffffffffffffffffffffffffffffffffffffffff1691503373ffffffffffffffffffffffffffffffffffffffff168273ffffffffffffffffffffffffffffffffffffffff1614156107c7576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260198152602001807f466f756e64206c6f6f7020696e2064656c65676174696f6e2e0000000000000081525060200191505060405180910390fd5b61062a565b60018160010160006101000a81548160ff021916908315150217905550818160010160016101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff1602179055506000600160008473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002090508060010160009054906101000a900460ff16156108bf578160000154600282600201548154811061089c57fe5b9060005260206000209060020201600101600082825401925050819055506108d6565b816000015481600001600082825401925050819055505b505050565b6000806000905060008090505b60028054905081101561094d57816002828154811061090357fe5b9060005260206000209060020201600101541115610940576002818154811061092857fe5b90600052602060002090600202016001015491508092505b80806001019150506108e8565b505090565b6000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff16146109f7576040517f08c379a0000000000000000000000000000000000000000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+        "nonce": "1",
+        "storage": {
+          "0x6200beec95762de01ce05f2a0e58ce3299dbb53c68c9f3254a242121223cdf58": "0x0000000000000000000000000000000000000000000000000000000000000000"
+        }
+      },
+      "0xf7579c3d8a669c89d5ed246a22eb6db8f6fedbf1": {
+        "balance": "0x57af9d6b3df812900",
+        "code": "0x",
+        "nonce": "6",
+        "storage": {}
+      }
+    },
+    "config": {
+      "byzantiumBlock": 0,
+      "constantinopleBlock": 0,
+      "petersburgBlock": 0,
+      "IstanbulBlock":1561651,
+      "chainId": 5,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "ethash": {},
+      "homesteadBlock": 0
+    },
+    "difficulty": "3509749784",
+    "extraData": "0x4554482e45544846414e532e4f52472d4641313738394444",
+    "gasLimit": "4727564",
+    "hash": "0x609948ac3bd3c00b7736b933248891d6c901ee28f066241bddb28f4e00a9f440",
+    "miner": "0xbbf5029fd710d227630c8b7d338051b8e76d50b3",
+    "mixHash": "0xb131e4507c93c7377de00e7c271bf409ec7492767142ff0f45c882f8068c2ada",
+    "nonce": "0x4eb12e19c16d43da",
+    "number": "2289805",
+    "stateRoot": "0xc7f10f352bff82fac3c2999d3085093d12652e19c7fd32591de49dc5d91b4f1f",
+    "timestamp": "1513601261",
+    "totalDifficulty": "7143276353481064"
+  },
+  "input": "0xf888068449504f80832dc6c094f58833cf0c791881b494eb79d461e08a1f043f5280a45c19a95c000000000000000000000000f7579c3d8a669c89d5ed246a22eb6db8f6fedbf12da0264664db3e71fae1dbdaf2f53954be149ad3b7ba8a5054b4d89c70febfacc8b1a0212e8398757963f419681839ae8c5a54b411e252473c82d93dda68405ca63294",
+  "result": {
+    "error": "execution reverted",
+    "from": "0xf7579c3d8a669c89d5ed246a22eb6db8f6fedbf1",
+    "gas": "0x2d7308",
+    "gasUsed": "0x5940",
+    "input": "0x5c19a95c000000000000000000000000f7579c3d8a669c89d5ed246a22eb6db8f6fedbf1",
+    "to": "0xf58833cf0c791881b494eb79d461e08a1f043f52",
+    "type": "CALL",
+    "value": "0x0",
+    "output": "0x08c379a00000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001e53656c662d64656c65676174696f6e20697320646973616c6c6f7765642e0000"
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/selfdestruct.json b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/selfdestruct.json
new file mode 100644
index 0000000000..55b63dbdb6
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/selfdestruct.json
@@ -0,0 +1,73 @@
+{
+  "context": {
+    "difficulty": "3502894804",
+    "gasLimit": "4722976",
+    "miner": "0x1585936b53834b021f68cc13eeefdec2efc8e724",
+    "number": "2289806",
+    "timestamp": "1513601314"
+  },
+  "genesis": {
+    "alloc": {
+      "0x0024f658a46fbb89d8ac105e98d7ac7cbbaf27c5": {
+        "balance": "0x0",
+        "code": "0x",
+        "nonce": "22",
+        "storage": {}
+      },
+      "0x3b873a919aa0512d5a0f09e6dcceaa4a6727fafe": {
+        "balance": "0x4d87094125a369d9bd5",
+        "code": "0x61deadff",
+        "nonce": "1",
+        "storage": {}
+      },
+      "0xb436ba50d378d4bbc8660d312a13df6af6e89dfb": {
+        "balance": "0x1780d77678137ac1b775",
+        "code": "0x",
+        "nonce": "29072",
+        "storage": {}
+      }
+    },
+    "config": {
+      "byzantiumBlock": 1700000,
+      "chainId": 3,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "ethash": {},
+      "homesteadBlock": 0
+    },
+    "difficulty": "3509749784",
+    "extraData": "0x4554482e45544846414e532e4f52472d4641313738394444",
+    "gasLimit": "4727564",
+    "hash": "0x609948ac3bd3c00b7736b933248891d6c901ee28f066241bddb28f4e00a9f440",
+    "miner": "0xbbf5029fd710d227630c8b7d338051b8e76d50b3",
+    "mixHash": "0xb131e4507c93c7377de00e7c271bf409ec7492767142ff0f45c882f8068c2ada",
+    "nonce": "0x4eb12e19c16d43da",
+    "number": "2289805",
+    "stateRoot": "0xc7f10f352bff82fac3c2999d3085093d12652e19c7fd32591de49dc5d91b4f1f",
+    "timestamp": "1513601261",
+    "totalDifficulty": "7143276353481064"
+  },
+  "input": "0xf88b8271908506fc23ac0083015f90943b873a919aa0512d5a0f09e6dcceaa4a6727fafe80a463e4bff40000000000000000000000000024f658a46fbb89d8ac105e98d7ac7cbbaf27c52aa0bdce0b59e8761854e857fe64015f06dd08a4fbb7624f6094893a79a72e6ad6bea01d9dde033cff7bb235a3163f348a6d7ab8d6b52bc0963a95b91612e40ca766a4",
+  "result": {
+    "calls": [
+      {
+        "from": "0x3b873a919aa0512d5a0f09e6dcceaa4a6727fafe",
+        "input": "0x",
+        "to": "0x000000000000000000000000000000000000dEaD",
+        "type": "SELFDESTRUCT",
+        "value": "0x4d87094125a369d9bd5"
+      }
+    ],
+    "from": "0xb436ba50d378d4bbc8660d312a13df6af6e89dfb",
+    "gas": "0x10738",
+    "gasUsed": "0x6fcb",
+    "input": "0x63e4bff40000000000000000000000000024f658a46fbb89d8ac105e98d7ac7cbbaf27c5",
+    "output": "0x",
+    "to": "0x3b873a919aa0512d5a0f09e6dcceaa4a6727fafe",
+    "type": "CALL",
+    "value": "0x0"
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/simple.json b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/simple.json
new file mode 100644
index 0000000000..c9192a19f9
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/simple.json
@@ -0,0 +1,78 @@
+{
+  "context": {
+    "difficulty": "3502894804",
+    "gasLimit": "4722976",
+    "miner": "0x1585936b53834b021f68cc13eeefdec2efc8e724",
+    "number": "2289806",
+    "timestamp": "1513601314"
+  },
+  "genesis": {
+    "alloc": {
+      "0x0024f658a46fbb89d8ac105e98d7ac7cbbaf27c5": {
+        "balance": "0x0",
+        "code": "0x",
+        "nonce": "22",
+        "storage": {}
+      },
+      "0x3b873a919aa0512d5a0f09e6dcceaa4a6727fafe": {
+        "balance": "0x4d87094125a369d9bd5",
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+        "code": "0x",
+        "nonce": "29072",
+        "storage": {}
+      }
+    },
+    "config": {
+      "byzantiumBlock": 1700000,
+      "chainId": 3,
+      "daoForkSupport": true,
+      "eip150Block": 0,
+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "ethash": {},
+      "homesteadBlock": 0
+    },
+    "difficulty": "3509749784",
+    "extraData": "0x4554482e45544846414e532e4f52472d4641313738394444",
+    "gasLimit": "4727564",
+    "hash": "0x609948ac3bd3c00b7736b933248891d6c901ee28f066241bddb28f4e00a9f440",
+    "miner": "0xbbf5029fd710d227630c8b7d338051b8e76d50b3",
+    "mixHash": "0xb131e4507c93c7377de00e7c271bf409ec7492767142ff0f45c882f8068c2ada",
+    "nonce": "0x4eb12e19c16d43da",
+    "number": "2289805",
+    "stateRoot": "0xc7f10f352bff82fac3c2999d3085093d12652e19c7fd32591de49dc5d91b4f1f",
+    "timestamp": "1513601261",
+    "totalDifficulty": "7143276353481064"
+  },
+  "input": "0xf88b8271908506fc23ac0083015f90943b873a919aa0512d5a0f09e6dcceaa4a6727fafe80a463e4bff40000000000000000000000000024f658a46fbb89d8ac105e98d7ac7cbbaf27c52aa0bdce0b59e8761854e857fe64015f06dd08a4fbb7624f6094893a79a72e6ad6bea01d9dde033cff7bb235a3163f348a6d7ab8d6b52bc0963a95b91612e40ca766a4",
+  "result": {
+    "calls": [
+      {
+        "from": "0x3b873a919aa0512d5a0f09e6dcceaa4a6727fafe",
+        "input": "0x",
+        "to": "0x0024f658a46fbb89d8ac105e98d7ac7cbbaf27c5",
+        "type": "CALL",
+        "value": "0x6f05b59d3b20000"
+      }
+    ],
+    "from": "0xb436ba50d378d4bbc8660d312a13df6af6e89dfb",
+    "gas": "0x10738",
+    "gasUsed": "0x9751",
+    "input": "0x63e4bff40000000000000000000000000024f658a46fbb89d8ac105e98d7ac7cbbaf27c5",
+    "output": "0x0000000000000000000000000000000000000000000000000000000000000001",
+    "to": "0x3b873a919aa0512d5a0f09e6dcceaa4a6727fafe",
+    "type": "CALL",
+    "value": "0x0"
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/throw.json b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/throw.json
new file mode 100644
index 0000000000..76fae3c392
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_legacy/throw.json
@@ -0,0 +1,62 @@
+{
+  "context": {
+    "difficulty": "117009631",
+    "gasLimit": "4712388",
+    "miner": "0x294e5d6c39a36ce38af1dca70c1060f78dee8070",
+    "number": "25009",
+    "timestamp": "1479891666"
+  },
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+        "storage": {}
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+        "balance": "0x0",
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+      "daoForkSupport": true,
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+      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
+      "eip155Block": 10,
+      "eip158Block": 10,
+      "ethash": {},
+      "homesteadBlock": 0
+    },
+    "difficulty": "117066792",
+    "extraData": "0xd783010502846765746887676f312e372e33856c696e7578",
+    "gasLimit": "4712388",
+    "hash": "0xe23e8d4562a1045b70cbc99fefb20c101a8f0fc8559a80d65fea8896e2f1d46e",
+    "miner": "0x71842f946b98800fe6feb49f0ae4e253259031c9",
+    "mixHash": "0x0aada9d6e93dd4db0d09c0488dc0a048fca2ccdc1f3fc7b83ba2a8d393a3a4ff",
+    "nonce": "0x70849d5838dee2e9",
+    "number": "25008",
+    "stateRoot": "0x1e01d2161794768c5b917069e73d86e8dca80cd7f3168c0597de420ab93a3b7b",
+    "timestamp": "1479891641",
+    "totalDifficulty": "1896347038589"
+  },
+  "input": "0xf88b8206668504a817c8008303d09094c212e03b9e060e36facad5fd8f4435412ca22e6b80a451a34eb8000000000000000000000000000000000000000000000027fad02094277c000029a0692a3b4e7b2842f8dd7832e712c21e09f451f416c8976d5b8d02e8c0c2b4bea9a07645e90fc421b63dd755767fd93d3c03b4ec0c4d8fafa059558d08cf11d59750",
+  "result": {
+    "error": "invalid jump destination",
+    "from": "0x70c9217d814985faef62b124420f8dfbddd96433",
+    "gas": "0x37b38",
+    "gasUsed": "0x3d090",
+    "input": "0x51a34eb8000000000000000000000000000000000000000000000027fad02094277c0000",
+    "to": "0xc212e03b9e060e36facad5fd8f4435412ca22e6b",
+    "type": "CALL",
+    "value": "0x0"
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/calldata.json b/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/calldata.json
new file mode 100644
index 0000000000..b18c80e58e
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/calldata.json
@@ -0,0 +1,115 @@
+{
+  "genesis": {
+    "difficulty": "11934798510088",
+    "extraData": "0xd983010302844765746887676f312e342e328777696e646f7773",
+    "gasLimit": "3141592",
+    "hash": "0xfc543a4a551afbd4a6c5d6d49041371e6bb58b1108c12aaec7f487ce656bb97f",
+    "miner": "0xf8b483dba2c3b7176a3da549ad41a48bb3121069",
+    "mixHash": "0xa6a1e67fc68da76b8d9cc3ce1c45d5e1f4bbd96b5dcfddbe0017d7fa99903ead",
+    "nonce": "0x5f00c600268b4659",
+    "number": "995200",
+    "stateRoot": "0x3579328470dd2aef5b9da69f5480cbe0d375e653b530ab3c1aee0da5e1ff4c94",
+    "timestamp": "1455322761",
+    "totalDifficulty": "7077231809278509672",
+    "alloc": {
+      "0x200edd17f30485a8735878661960cd7a9a95733f": {
+        "balance": "0x0",
+        "code": "0x3660008037602060003660003473273930d21e01ee25e4c219b63259d214872220a261235a5a03f21560015760206000f3",
+        "storage": {
+          "0x0000000000000000000000000000000000000000000000000000000000000000": "0x0000000000000000000000000000000000000000000000000000000000000000",
+          "0x0000000000000000000000000000000000000000000000000000000000000001": "0x0000000000000000000000000000000000000000000000000000000000000002",
+          "0x0000000000000000000000000000000000000000000000000000000000000104": "0x0000000000000000000000000000000000000000000000000000000000000000",
+          "0x4c0be60200faa20559308cb7b5a1bb3255c16cb1cab91f525b5ae7a03d02fabe": "0x0000000000000000000000000000000000000000000000000000000000000000",
+          "0x8ba1097eb3abe3dc1b51faa48445d593bf968f722e20b67bb62a87495836bf04": "0x0000000000000000000000000000000000000000000000000000000000000000",
+          "0x8ba1097eb3abe3dc1b51faa48445d593bf968f722e20b67bb62a87495836bf05": "0x0000000000000000000000000000000000000000000000000000000000000000",
+          "0x8ba1097eb3abe3dc1b51faa48445d593bf968f722e20b67bb62a87495836bf06": "0x0000000000000000000000000000000000000000000000000000000000000000",
+          "0xa611e7c895a426c0477bc9e280db9c3b1e456dc6310ffcf23926ef5186c1facc": "0x0000000000000000000000000000000000000000000000000000000000000002",
+          "0xac682d343707aadf06c2c4c3692831d9e7ba711099ef36f9efb8bb29be8c410e": "0x0000000000000000000000000000000000000000000000000000000000000000",
+          "0xac682d343707aadf06c2c4c3692831d9e7ba711099ef36f9efb8bb29be8c410f": "0x0000000000000000000000000000000000000000000000000000000000000000",
+          "0xac682d343707aadf06c2c4c3692831d9e7ba711099ef36f9efb8bb29be8c4110": "0x0000000000000000000000000000000000000000000000000000000000000000"
+        }
+      },
+      "0x273930d21e01ee25e4c219b63259d214872220a2": {
+        "balance": "0x0",
+        "code": 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+      },
+      "0x4f5777744b500616697cb655dcb02ee6cd51deb5": {
+        "balance": "0xb0983f1b83eec290",
+        "nonce": "2"
+      },
+      "0xf8b483dba2c3b7176a3da549ad41a48bb3121069": {
+        "balance": "0x16969a0ba2c2d384d07",
+        "nonce": "67521"
+      }
+    },
+    "config": {
+      "chainId": 1,
+      "homesteadBlock": 1150000,
+      "daoForkBlock": 1920000,
+      "daoForkSupport": true,
+      "eip150Block": 2463000,
+      "eip150Hash": "0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0",
+      "eip155Block": 2675000,
+      "eip158Block": 2675000,
+      "byzantiumBlock": 4370000,
+      "constantinopleBlock": 7280000,
+      "petersburgBlock": 7280000,
+      "istanbulBlock": 9069000,
+      "muirGlacierBlock": 9200000,
+      "berlinBlock": 12244000,
+      "londonBlock": 12965000,
+      "arrowGlacierBlock": 13773000,
+      "grayGlacierBlock": 15050000,
+      "terminalTotalDifficultyPassed": true,
+      "ethash": {}
+    }
+  },
+  "context": {
+    "number": "995201",
+    "difficulty": "11940626048551",
+    "timestamp": "1455322773",
+    "gasLimit": "3141592",
+    "miner": "0xf8b483dba2c3b7176a3da549ad41a48bb3121069"
+  },
+  "input": "0xf89102850a954d522e8303308594200edd17f30485a8735878661960cd7a9a95733f888ac7230489e80000a4ba51a6df00000000000000000000000000000000000000000000000000000000000000001ca04f2cc45b96f965296382b2e9b657e90808301d5179035a5d91a2de7b912def20a056e19271ea4e19e4e034f38e925e312beed4d300c267160eeb2f565c42deb578",
+  "tracerConfig": {
+    "withLog": true
+  },
+  "result": {
+    "from": "0x4f5777744b500616697cb655dcb02ee6cd51deb5",
+    "gas": "0x2dced",
+    "gasUsed": "0x1a9e5",
+    "to": "0x200edd17f30485a8735878661960cd7a9a95733f",
+    "input": "0xba51a6df0000000000000000000000000000000000000000000000000000000000000000",
+    "output": "0xba51a6df00000000000000000000000000000000000000000000000000000000",
+    "calls": [
+      {
+        "from": "0x200edd17f30485a8735878661960cd7a9a95733f",
+        "gas": "0x2c263",
+        "gasUsed": "0x1b0e4",
+        "to": "0x273930d21e01ee25e4c219b63259d214872220a2",
+        "input": "0xba51a6df0000000000000000000000000000000000000000000000000000000000000000",
+        "logs": [
+          {
+            "address": "0x200edd17f30485a8735878661960cd7a9a95733f",
+            "topics": [
+              "0xe1c52dc63b719ade82e8bea94cc41a0d5d28e4aaf536adb5e9cccc9ff8c1aeda"
+            ],
+            "data": "0x0000000000000000000000004f5777744b500616697cb655dcb02ee6cd51deb5be96016bb57376da7a6d296e0a405ee1501778227dfa604df0a81cb1ae018598"
+          },
+          {
+            "address": "0x200edd17f30485a8735878661960cd7a9a95733f",
+            "topics": [
+              "0xacbdb084c721332ac59f9b8e392196c9eb0e4932862da8eb9beaf0dad4f550da"
+            ],
+            "data": "0x0000000000000000000000000000000000000000000000000000000000000000"
+          }
+        ],
+        "value": "0x8ac7230489e80000",
+        "type": "CALLCODE"
+      }
+    ],
+    "value": "0x8ac7230489e80000",
+    "type": "CALL"
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/delegatecall.json b/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/delegatecall.json
new file mode 100644
index 0000000000..2c82138022
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/delegatecall.json
@@ -0,0 +1,408 @@
+{
+  "genesis": {
+    "difficulty": "80344740444880",
+    "extraData": "0x7777772e62772e636f6d",
+    "gasLimit": "1498600",
+    "hash": "0xf5d85a80bdbc5d28a16b8eb0d1b9dd18316ddc3655c7d5c901b67acdb7700037",
+    "miner": "0xbcdfc35b86bedf72f0cda046a3c16829a2ef41d1",
+    "mixHash": "0x433ae590edf0e7ba9aac698bb7d3be2300e3e79d175db13528ff3e79a3f93910",
+    "nonce": "0x084adce0020c6fd8",
+    "number": "2340152",
+    "stateRoot": "0x38295a2634c9c62d48bcbf2ef2ae83768b9055c1f5e6469d17a5d1bcb052072e",
+    "timestamp": "1475034708",
+    "totalDifficulty": "66488249547380413902",
+    "alloc": {
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+            "output": "0x0000000000000000000000000000000000000000000000000000000000000001",
+            "value": "0x0",
+            "type": "CALL"
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+        "type": "CALL"
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+        "output": "0x000000000000000000000000f4cbd7e037b80c2e67b80512d482685f15b1fb28",
+        "value": "0x0",
+        "type": "CALL"
+      },
+      {
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+        "output": "0x0000000000000000000000000000000000000000000000000000000000000001",
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+            "gas": "0x55a8a",
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+            "type": "DELEGATECALL",
+            "value": "0x0"
+          }
+        ],
+        "value": "0x0",
+        "type": "CALL"
+      }
+    ],
+    "value": "0x0",
+    "type": "CALL"
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/multi_contracts.json b/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/multi_contracts.json
new file mode 100644
index 0000000000..649a5b1b56
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/multi_contracts.json
@@ -0,0 +1,2295 @@
+{
+  "genesis": {
+    "difficulty": "59917798787272",
+    "extraData": "0xe4b883e5bda9e7a59ee4bb99e9b1bc",
+    "gasLimit": "4712380",
+    "hash": "0xae82afe3630b001a34ad4c51695dacb17872ebee4dadd2de88b1a16671871da4",
+    "miner": "0x61c808d82a3ac53231750dadc13c777b59310bd9",
+    "mixHash": "0x23c2289cdee8a397cf36db9ffa3419503bed54eb09e988b3c7a3587a090e6fc1",
+    "nonce": "0x94dc83e0044f49c8",
+    "number": "1881283",
+    "stateRoot": "0x6e3832bc2e4e66170a1e716449083e08fbb70e7b2a9f1f34e0c57e66ce40c50f",
+    "timestamp": "1468467284",
+    "totalDifficulty": "37186898441932102239",
+    "alloc": {
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+      },
+      "0x03e3d4561a8f8e975fdcd798d32857a20cf25e7e": {
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diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/multilogs.json b/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/multilogs.json
new file mode 100644
index 0000000000..858931558a
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/multilogs.json
@@ -0,0 +1,530 @@
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+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/notopic.json b/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/notopic.json
new file mode 100644
index 0000000000..09aa7af461
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/notopic.json
@@ -0,0 +1,286 @@
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+        "gasUsed": "0x4417",
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+            "value": "0x0",
+            "type": "CALL"
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+          }
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+        "value": "0x179d63013c5654",
+        "type": "CALL"
+      }
+    ],
+    "logs": [
+      {
+        "address": "0x50739060a2c32dc076e507ae1a893aab28ecfe68",
+        "topics": [],
+        "data": "0x62616e6b726f6c6c5f6d69736d61746368"
+      }
+    ],
+    "value": "0x429d069189e0000",
+    "type": "CALL"
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/simple.json b/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/simple.json
new file mode 100644
index 0000000000..1a03f0e7fb
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/simple.json
@@ -0,0 +1,84 @@
+{
+  "genesis": {
+    "difficulty": "8430028481555",
+    "extraData": "0xd783010302844765746887676f312e352e31856c696e7578",
+    "gasLimit": "3141592",
+    "hash": "0xde66937783697293f2e529d2034887c531535d78afa8c9051511ae12ba48fbea",
+    "miner": "0x2a65aca4d5fc5b5c859090a6c34d164135398226",
+    "mixHash": "0xba28a43bfbca4a2effbb76bb70d03482a8a0c92e2883ff36cbac3d7c6dbb7df5",
+    "nonce": "0xa3827ec0a82fe823",
+    "number": "765824",
+    "stateRoot": "0x8d96cb027a29f8ca0ccd6d31f9ea0656136ec8030ecda70bb9231849ed6f41a2",
+    "timestamp": "1451389443",
+    "totalDifficulty": "4838314986494741271",
+    "alloc": {
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+      "daoForkBlock": 1920000,
+      "daoForkSupport": true,
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+      "byzantiumBlock": 4370000,
+      "constantinopleBlock": 7280000,
+      "petersburgBlock": 7280000,
+      "istanbulBlock": 9069000,
+      "muirGlacierBlock": 9200000,
+      "berlinBlock": 12244000,
+      "londonBlock": 12965000,
+      "arrowGlacierBlock": 13773000,
+      "grayGlacierBlock": 15050000,
+      "terminalTotalDifficultyPassed": true,
+      "ethash": {}
+    }
+  },
+  "context": {
+    "number": "765825",
+    "difficulty": "8425912256743",
+    "timestamp": "1451389488",
+    "gasLimit": "3141592",
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+  "tracerConfig": {
+    "withLog": true
+  },
+  "result": {
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+    "gas": "0x1f36d",
+    "gasUsed": "0xc6a5",
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+    "input": "0xa9059cbb000000000000000000000000dbf03b407c01e7cd3cbea99509d93f8dddc8c6fb0000000000000000000000000000000000000000000000000000000000989680",
+    "logs": [
+      {
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+        "topics": [
+          "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
+          "0x000000000000000000000000d1220a0cf47c7b9be7a2e6ba89f429762e7b9adb",
+          "0x000000000000000000000000dbf03b407c01e7cd3cbea99509d93f8dddc8c6fb"
+        ],
+        "data": "0x0000000000000000000000000000000000000000000000000000000000989680"
+      }
+    ],
+    "value": "0x0",
+    "type": "CALL"
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/tx_failed.json b/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/tx_failed.json
new file mode 100644
index 0000000000..4e0aec529f
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/tx_failed.json
@@ -0,0 +1,244 @@
+{
+  "genesis": {
+    "difficulty": "56311715121637",
+    "extraData": "0x7777772e62772e636f6d",
+    "gasLimit": "4712388",
+    "hash": "0x20d3b8daa046f2f10564d84ccbe6d0a8842d8d52bc6d623e23c38050a8f73776",
+    "miner": "0xbcdfc35b86bedf72f0cda046a3c16829a2ef41d1",
+    "mixHash": "0x75029f90d7de3f9e3d5eac4a25019f9ac5d0041641d1ef17e7759e45699d4224",
+    "nonce": "0x54ff3b34fa1d9c97",
+    "number": "1968179",
+    "stateRoot": "0x6420003b1779cca3bcdab698c239bbc63623c0a7e4deeedbdb8190b9e7fd7520",
+    "timestamp": "1469713675",
+    "totalDifficulty": "42284028928878034360",
+    "alloc": {
+      "0x10abb5efecdc09581f8b7cb95791fe2936790b4e": {
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+        }
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+        "nonce": "45"
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+      "0xea674fdde714fd979de3edf0f56aa9716b898ec8": {
+        "balance": "0x1601bbe4c58ec73210",
+        "nonce": "337736"
+      },
+      "0xfde8d5f77ef48bb7bf5766c7404691b9ee1dfca7": {
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+        "storage": {
+          "0x0000000000000000000000000000000000000000000000000000000000000001": "0x0000000000000000000000000000000000000000000000000000000000000000"
+        }
+      }
+    },
+    "config": {
+      "chainId": 1,
+      "homesteadBlock": 1150000,
+      "daoForkBlock": 1920000,
+      "daoForkSupport": true,
+      "eip150Block": 2463000,
+      "eip150Hash": "0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0",
+      "eip155Block": 2675000,
+      "eip158Block": 2675000,
+      "byzantiumBlock": 4370000,
+      "constantinopleBlock": 7280000,
+      "petersburgBlock": 7280000,
+      "istanbulBlock": 9069000,
+      "muirGlacierBlock": 9200000,
+      "berlinBlock": 12244000,
+      "londonBlock": 12965000,
+      "arrowGlacierBlock": 13773000,
+      "grayGlacierBlock": 15050000,
+      "terminalTotalDifficultyPassed": true,
+      "ethash": {}
+    }
+  },
+  "context": {
+    "number": "1968180",
+    "difficulty": "56311715252709",
+    "timestamp": "1469713694",
+    "gasLimit": "4712388",
+    "miner": "0xea674fdde714fd979de3edf0f56aa9716b898ec8"
+  },
+  "input": "0xf8aa2d850c2b6f9f7e830aae6094630a0cd35d5bd57e61410fda76fea850225cda1880b844e1fa7638000000000000000000000000000000000000000000000000000000000000011000000000000000000000000000000000000000000000000000000000000000001ba0563f81ca66b2c618bf4be9470fab88fff1b44eb5c33a9c73a68e8b26fbaa7c8da041464789c49fee77d2e053ff0705bc845fe2a78a35e478132371f294bb594021",
+  "tracerConfig": {
+    "withLog": true
+  },
+  "result": {
+    "from": "0xe6002189a74b43e6868b20c1311bc108e38aac57",
+    "gas": "0xa59c8",
+    "gasUsed": "0xaae60",
+    "to": "0x630a0cd35d5bd57e61410fda76fea850225cda18",
+    "input": "0xe1fa763800000000000000000000000000000000000000000000000000000000000001100000000000000000000000000000000000000000000000000000000000000000",
+    "error": "invalid jump destination",
+    "calls": [
+      {
+        "from": "0x630a0cd35d5bd57e61410fda76fea850225cda18",
+        "gas": "0x9f5a0",
+        "gasUsed": "0x314",
+        "to": "0xbb9bc244d798123fde783fcc1c72d3bb8c189413",
+        "input": "0x70a08231000000000000000000000000630a0cd35d5bd57e61410fda76fea850225cda18",
+        "output": "0x000000000000000000000000000000000000000000000000000289739e60e3e2",
+        "value": "0x0",
+        "type": "CALL"
+      },
+      {
+        "from": "0x630a0cd35d5bd57e61410fda76fea850225cda18",
+        "gas": "0x9a327",
+        "gasUsed": "0x67b0",
+        "to": "0x6e073c0e1bd5af550239025dffcfb37175acedd3",
+        "input": "0x1a695230000000000000000000000000bb9bc244d798123fde783fcc1c72d3bb8c189413",
+        "calls": [
+          {
+            "from": "0x6e073c0e1bd5af550239025dffcfb37175acedd3",
+            "gas": "0x93ff6",
+            "gasUsed": "0x314",
+            "to": "0xbb9bc244d798123fde783fcc1c72d3bb8c189413",
+            "input": "0x70a082310000000000000000000000006e073c0e1bd5af550239025dffcfb37175acedd3",
+            "output": "0x000000000000000000000000000000000000000000000025d57ab057892050fc",
+            "value": "0x0",
+            "type": "CALL"
+          },
+          {
+            "from": "0x6e073c0e1bd5af550239025dffcfb37175acedd3",
+            "gas": "0x93c42",
+            "gasUsed": "0x13f",
+            "to": "0xbb9bc244d798123fde783fcc1c72d3bb8c189413",
+            "input": "0x18160ddd",
+            "output": "0x000000000000000000000000000000000000000000098b4d3b425f8c368391b2",
+            "value": "0x0",
+            "type": "CALL"
+          },
+          {
+            "from": "0x6e073c0e1bd5af550239025dffcfb37175acedd3",
+            "gas": "0x939ba",
+            "gasUsed": "0x5fca",
+            "to": "0xbb9bc244d798123fde783fcc1c72d3bb8c189413",
+            "input": "0xa9059cbb000000000000000000000000630a0cd35d5bd57e61410fda76fea850225cda18000000000000000000000000000000000000000000000025d57ab057892050fc",
+            "output": "0x0000000000000000000000000000000000000000000000000000000000000001",
+            "value": "0x0",
+            "type": "CALL"
+          }
+        ],
+        "value": "0x0",
+        "type": "CALL"
+      },
+      {
+        "from": "0x630a0cd35d5bd57e61410fda76fea850225cda18",
+        "gas": "0x8d8b6",
+        "gasUsed": "0x7be",
+        "to": "0xbb9bc244d798123fde783fcc1c72d3bb8c189413",
+        "input": "0x013cf08b0000000000000000000000000000000000000000000000000000000000000110",
+        "output": "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",
+        "value": "0x0",
+        "type": "CALL"
+      },
+      {
+        "from": "0x630a0cd35d5bd57e61410fda76fea850225cda18",
+        "gas": "0x880f8",
+        "gasUsed": "0x880f8",
+        "to": "0xbb9bc244d798123fde783fcc1c72d3bb8c189413",
+        "input": "0x82661dc40000000000000000000000000000000000000000000000000000000000000110000000000000000000000000b3b10eff47b9c0b3e5579bf1c25872111667e650",
+        "error": "invalid jump destination",
+        "calls": [
+          {
+            "from": "0xbb9bc244d798123fde783fcc1c72d3bb8c189413",
+            "gas": "0x7f910",
+            "gasUsed": "0xd20f",
+            "to": "0x10abb5efecdc09581f8b7cb95791fe2936790b4e",
+            "input": "0xbaac5300000000000000000000000000630a0cd35d5bd57e61410fda76fea850225cda18",
+            "output": "0x0000000000000000000000000000000000000000000000000000000000000001",
+            "calls": [
+              {
+                "from": "0x10abb5efecdc09581f8b7cb95791fe2936790b4e",
+                "gas": "0x76e12",
+                "gasUsed": "0x13f9",
+                "to": "0xfde8d5f77ef48bb7bf5766c7404691b9ee1dfca7",
+                "input": "0x",
+                "value": "0x0",
+                "type": "CALL"
+              }
+            ],
+            "value": "0x20320625e3126cb0",
+            "type": "CALL"
+          }
+        ],
+        "value": "0x0",
+        "type": "CALL"
+      }
+    ],
+    "value": "0x0",
+    "type": "CALL"
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/tx_partial_failed.json b/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/tx_partial_failed.json
new file mode 100644
index 0000000000..8df52db23c
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/tx_partial_failed.json
@@ -0,0 +1,107 @@
+{
+  "genesis": {
+    "difficulty": "45372803248884",
+    "extraData": "0x65746865726d696e652e6f7267202855533129",
+    "gasLimit": "4712388",
+    "hash": "0xa2b18cc64ec062676680f2bb2d880205dcd372f4396722f2294d3fceece96193",
+    "miner": "0xea674fdde714fd979de3edf0f56aa9716b898ec8",
+    "mixHash": "0xce7c26a9238b249edcdcd51f0ea1ad0e632e872daf9a09f039d918bcaeb7194f",
+    "nonce": "0x849d49e634e93bb5",
+    "number": "1646451",
+    "stateRoot": "0x2bd193b9911caf43204960cc7661ce864bf0bac7f9b60191aa02bbff24f061fb",
+    "timestamp": "1465103859",
+    "totalDifficulty": "24813742796574158431",
+    "alloc": {
+      "0x01115b41bd2731353dd3e6abf44818fdc035aaf1": {
+        "balance": "0x16d99e16e809000",
+        "nonce": "23"
+      },
+      "0x61c808d82a3ac53231750dadc13c777b59310bd9": {
+        "balance": "0x6a636960e34bd696f4",
+        "nonce": "36888"
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+      "0xbb9bc244d798123fde783fcc1c72d3bb8c189413": {
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+    "gas": "0x28e28",
+    "gasUsed": "0x288c9",
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+    "output": "0x0000000000000000000000000000000000000000000000000000000000000000",
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+        "gas": "0x1e30b",
+        "gasUsed": "0x1e30b",
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+        "error": "invalid jump destination",
+        "value": "0x0",
+        "type": "CALL"
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+    "logs": [
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+        "topics": [
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+      }
+    ],
+    "value": "0x0",
+    "type": "CALL"
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/with_onlyTopCall.json b/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/with_onlyTopCall.json
new file mode 100644
index 0000000000..c805296adb
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/call_tracer_withLog/with_onlyTopCall.json
@@ -0,0 +1,89 @@
+{
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+      },
+      "0x4f5777744b500616697cb655dcb02ee6cd51deb5": {
+        "balance": "0xb0983f1b83eec290",
+        "nonce": "2"
+      },
+      "0xf8b483dba2c3b7176a3da549ad41a48bb3121069": {
+        "balance": "0x16969a0ba2c2d384d07",
+        "nonce": "67521"
+      }
+    },
+    "config": {
+      "chainId": 1,
+      "homesteadBlock": 1150000,
+      "daoForkBlock": 1920000,
+      "daoForkSupport": true,
+      "eip150Block": 2463000,
+      "eip150Hash": "0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0",
+      "eip155Block": 2675000,
+      "eip158Block": 2675000,
+      "byzantiumBlock": 4370000,
+      "constantinopleBlock": 7280000,
+      "petersburgBlock": 7280000,
+      "istanbulBlock": 9069000,
+      "muirGlacierBlock": 9200000,
+      "berlinBlock": 12244000,
+      "londonBlock": 12965000,
+      "arrowGlacierBlock": 13773000,
+      "grayGlacierBlock": 15050000,
+      "terminalTotalDifficultyPassed": true,
+      "ethash": {}
+    }
+  },
+  "context": {
+    "number": "995201",
+    "difficulty": "11940626048551",
+    "timestamp": "1455322773",
+    "gasLimit": "3141592",
+    "miner": "0xf8b483dba2c3b7176a3da549ad41a48bb3121069"
+  },
+  "input": "0xf89102850a954d522e8303308594200edd17f30485a8735878661960cd7a9a95733f888ac7230489e80000a4ba51a6df00000000000000000000000000000000000000000000000000000000000000001ca04f2cc45b96f965296382b2e9b657e90808301d5179035a5d91a2de7b912def20a056e19271ea4e19e4e034f38e925e312beed4d300c267160eeb2f565c42deb578",
+  "tracerConfig": {
+    "withLog": true,
+    "onlyTopCall": true
+  },
+  "result": {
+    "from": "0x4f5777744b500616697cb655dcb02ee6cd51deb5",
+    "gas": "0x2dced",
+    "gasUsed": "0x1a9e5",
+    "to": "0x200edd17f30485a8735878661960cd7a9a95733f",
+    "input": "0xba51a6df0000000000000000000000000000000000000000000000000000000000000000",
+    "output": "0xba51a6df00000000000000000000000000000000000000000000000000000000",
+    "value": "0x8ac7230489e80000",
+    "type": "CALL"
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/prestate_tracer/create_existing_contract.json b/eth/tracers/internal/tracetest/testdata/prestate_tracer/create_existing_contract.json
new file mode 100644
index 0000000000..a34d3b759e
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/prestate_tracer/create_existing_contract.json
@@ -0,0 +1,85 @@
+{
+  "genesis": {
+    "difficulty": "6217248151198",
+    "extraData": "0xd783010103844765746887676f312e342e32856c696e7578",
+    "gasLimit": "3141592",
+    "hash": "0xe8bff55fe3e61936ef321cf3afaeb1ba2f7234e1e89535fa8ae39963caebe9c3",
+    "miner": "0x52bc44d5378309ee2abf1539bf71de1b7d7be3b5",
+    "mixHash": "0x03da00d5a15a064e5ebddf53cd0aaeb9a8aff0f40c0fb031a74f463d11ec83b8",
+    "nonce": "0x6575fe08c4167044",
+    "number": "243825",
+    "stateRoot": "0x47182fe2e6e740b8a76f82fe5c527d6ad548f805274f21792cf4047235b24fbf",
+    "timestamp": "1442424328",
+    "totalDifficulty": "1035061827427752845",
+    "alloc": {
+      "0x082d4cdf07f386ffa9258f52a5c49db4ac321ec6": {
+        "balance": "0xc820f93200f4000",
+        "nonce": "0x5E",
+        "code": "0x"
+      },
+      "0x332b656504f4eabb44c8617a42af37461a34e9dc": {
+        "balance": "0x11faea4f35e5af80000",
+        "code": "0x"
+      },
+      "0x52bc44d5378309ee2abf1539bf71de1b7d7be3b5": {
+        "balance": "0xbf681825be002ac452",
+        "nonce": "0x70FA",
+        "code": "0x"
+      },
+      "0x82effbaaaf28614e55b2ba440fb198e0e5789b0f": {
+        "balance": "0xb3d0ac5cb94df6f6b0",
+        "nonce": "0x1",
+        "code": "0x"
+      }
+    },
+    "config": {
+      "chainId": 1,
+      "homesteadBlock": 1150000,
+      "daoForkBlock": 1920000,
+      "daoForkSupport": true,
+      "eip150Block": 2463000,
+      "eip150Hash": "0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0",
+      "eip155Block": 2675000,
+      "eip158Block": 2675000,
+      "byzantiumBlock": 4370000,
+      "constantinopleBlock": 7280000,
+      "petersburgBlock": 7280000,
+      "istanbulBlock": 9069000,
+      "muirGlacierBlock": 9200000,
+      "berlinBlock": 12244000,
+      "londonBlock": 12965000,
+      "arrowGlacierBlock": 13773000,
+      "grayGlacierBlock": 15050000,
+      "terminalTotalDifficultyPassed": true,
+      "ethash": {}
+    }
+  },
+  "context": {
+    "number": "243826",
+    "difficulty": "6214212385501",
+    "timestamp": "1442424353",
+    "gasLimit": "3141592",
+    "miner": "0x52bc44d5378309ee2abf1539bf71de1b7d7be3b5"
+  },
+  "input": "0xf8e85e850ba43b7400830f42408080b89660606040527382effbaaaf28614e55b2ba440fb198e0e5789b0f600060006101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908302179055505b600060009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16ff5b600a80608c6000396000f30060606040526008565b001ca0340b21661e5bb85a46319a15f33a362e5c0f02faa7cdbf9c5808b2134da968eaa0226e6788f8c20e211d436ab7f6298ef32fa4c23a509eeeaac0880d115c17bc3f",
+  "result": {
+    "0x082d4cdf07f386ffa9258f52a5c49db4ac321ec6": {
+      "balance": "0xc820f93200f4000",
+      "nonce": 94
+    },
+    "0x332b656504f4eabb44c8617a42af37461a34e9dc": {
+      "balance": "0x11faea4f35e5af80000",
+      "storage": {
+        "0x0000000000000000000000000000000000000000000000000000000000000000": "0x0000000000000000000000000000000000000000000000000000000000000000"
+      }
+    },
+    "0x52bc44d5378309ee2abf1539bf71de1b7d7be3b5": {
+      "balance": "0xbf681825be002ac452",
+      "nonce": 28922
+    },
+    "0x82effbaaaf28614e55b2ba440fb198e0e5789b0f": {
+      "balance": "0xb3d0ac5cb94df6f6b0",
+      "nonce": 1
+    }
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/prestate_tracer/simple.json b/eth/tracers/internal/tracetest/testdata/prestate_tracer/simple.json
new file mode 100644
index 0000000000..7204bfcbfe
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/prestate_tracer/simple.json
@@ -0,0 +1,83 @@
+{
+  "context": {
+    "difficulty": "3502894804",
+    "gasLimit": "4722976",
+    "miner": "0x1585936b53834b021f68cc13eeefdec2efc8e724",
+    "number": "2289806",
+    "timestamp": "1513601314"
+  },
+  "genesis": {
+    "alloc": {
+      "0x0024f658a46fbb89d8ac105e98d7ac7cbbaf27c5": {
+        "balance": "0x0",
+        "code": "0x",
+        "nonce": "22",
+        "storage": {}
+      },
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diff --git a/eth/tracers/internal/tracetest/testdata/prestate_tracer_legacy/simple.json b/eth/tracers/internal/tracetest/testdata/prestate_tracer_legacy/simple.json
new file mode 100644
index 0000000000..44b1f08dd3
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/prestate_tracer_legacy/simple.json
@@ -0,0 +1,84 @@
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+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/prestate_tracer_with_diff_mode/create.json b/eth/tracers/internal/tracetest/testdata/prestate_tracer_with_diff_mode/create.json
new file mode 100644
index 0000000000..1b09622474
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/prestate_tracer_with_diff_mode/create.json
@@ -0,0 +1,102 @@
+{
+  "genesis": {
+    "difficulty": "13756228101629",
+    "extraData": "0xd983010302844765746887676f312e342e328777696e646f7773",
+    "gasLimit": "3141592",
+    "hash": "0x58b7a87b6ba10b46b4e251d64ebc3d9822dd82218eaf24dff6796f6f1f687251",
+    "miner": "0xf8b483dba2c3b7176a3da549ad41a48bb3121069",
+    "mixHash": "0x5984b9a316116bd890e6e5f4c52d655184b0d7aa74821e1382d7760f9803c1dd",
+    "nonce": "0xea4bb4997242c681",
+    "number": "1061221",
+    "stateRoot": "0x5402c04d481414248d824c3b61e924e0c9307adbc9fbaae774a74cce30a4163d",
+    "timestamp": "1456458069",
+    "totalDifficulty": "7930751135586064334",
+    "alloc": {
+      "0x2a65aca4d5fc5b5c859090a6c34d164135398226": {
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+        "nonce": "217865",
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+      "0xf0c5cef39b17c213cfe090a46b8c7760ffb7928a": {
+        "balance": "0x15b6828e22bb12188",
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+    "config": {
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+      "homesteadBlock": 1150000,
+      "daoForkBlock": 1920000,
+      "daoForkSupport": true,
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+      "byzantiumBlock": 4370000,
+      "constantinopleBlock": 7280000,
+      "petersburgBlock": 7280000,
+      "istanbulBlock": 9069000,
+      "muirGlacierBlock": 9200000,
+      "berlinBlock": 12244000,
+      "londonBlock": 12965000,
+      "arrowGlacierBlock": 13773000,
+      "grayGlacierBlock": 15050000,
+      "ethash": {}
+    }
+  },
+  "context": {
+    "number": "1061222",
+    "difficulty": "13749511193633",
+    "timestamp": "1456458097",
+    "gasLimit": "3141592",
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+      }
+    }
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/prestate_tracer_with_diff_mode/create_failed.json b/eth/tracers/internal/tracetest/testdata/prestate_tracer_with_diff_mode/create_failed.json
new file mode 100644
index 0000000000..8a8786c37d
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/prestate_tracer_with_diff_mode/create_failed.json
@@ -0,0 +1,94 @@
+{
+  "genesis": {
+    "baseFeePerGas": "51088069741",
+    "difficulty": "14315558652874667",
+    "extraData": "0xd883010a10846765746888676f312e31362e35856c696e7578",
+    "gasLimit": "30058590",
+    "hash": "0xdf6b95183f99054fb6541e3b482c0109c9f6be40553cff24efa3ac76736adbf5",
+    "miner": "0xb7e390864a90b7b923c9f9310c6f98aafe43f707",
+    "mixHash": "0x8d76b0d32e42ab277dbf00836eabef76674cd70ae2bb53718175069ad6b6147e",
+    "nonce": "0x8d3a1c010ad2c687",
+    "number": "14707767",
+    "stateRoot": "0x8a50c896a6f7eb1f3479337db981fa10ce316281cb4dd2f07487be9ca27dae6b",
+    "timestamp": "1651623275",
+    "alloc": {
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+      },
+      "0x13b152c9f50878ffaf3de41e192653bda545d889": {
+        "balance": "0x0",
+        "nonce": "1",
+        "code": "0x363d3d373d3d3d363d73059ffafdc6ef594230de44f824e2bd0a51ca5ded5af43d82803e903d91602b57fd5bf3"
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+      "byzantiumBlock": 4370000,
+      "constantinopleBlock": 7280000,
+      "petersburgBlock": 7280000,
+      "istanbulBlock": 9069000,
+      "muirGlacierBlock": 9200000,
+      "berlinBlock": 12244000,
+      "londonBlock": 12965000,
+      "arrowGlacierBlock": 13773000,
+      "grayGlacierBlock": 15050000,
+      "terminalTotalDifficultyPassed": true,
+      "subnetEVMTimestamp": 0
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+  },
+  "context": {
+    "number": "14707768",
+    "difficulty": "14322823549655084",
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+    "gasLimit": "30029237",
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+    }
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/prestate_tracer_with_diff_mode/create_suicide.json b/eth/tracers/internal/tracetest/testdata/prestate_tracer_with_diff_mode/create_suicide.json
new file mode 100644
index 0000000000..fdeb0e5067
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/prestate_tracer_with_diff_mode/create_suicide.json
@@ -0,0 +1,104 @@
+{
+  "genesis": {
+    "difficulty": "6217248151198",
+    "extraData": "0xd783010103844765746887676f312e342e32856c696e7578",
+    "gasLimit": "3141592",
+    "hash": "0xe8bff55fe3e61936ef321cf3afaeb1ba2f7234e1e89535fa8ae39963caebe9c3",
+    "miner": "0x52bc44d5378309ee2abf1539bf71de1b7d7be3b5",
+    "mixHash": "0x03da00d5a15a064e5ebddf53cd0aaeb9a8aff0f40c0fb031a74f463d11ec83b8",
+    "nonce": "0x6575fe08c4167044",
+    "number": "243825",
+    "stateRoot": "0x47182fe2e6e740b8a76f82fe5c527d6ad548f805274f21792cf4047235b24fbf",
+    "timestamp": "1442424328",
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+    "alloc": {
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+        "nonce": "0x5E",
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+      "petersburgBlock": 7280000,
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+      "grayGlacierBlock": 15050000,
+      "ethash": {}
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+  "context": {
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+    "difficulty": "6214212385501",
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+      "0x82effbaaaf28614e55b2ba440fb198e0e5789b0f": {
+        "balance": "0x1d37f515017a8eef6b0"
+      }
+    }
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/prestate_tracer_with_diff_mode/inner_create.json b/eth/tracers/internal/tracetest/testdata/prestate_tracer_with_diff_mode/inner_create.json
new file mode 100644
index 0000000000..9c0030a0a8
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/prestate_tracer_with_diff_mode/inner_create.json
@@ -0,0 +1,312 @@
+{
+  "genesis": {
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+    "gasLimit": "3141592",
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+    "miner": "0xf8b483dba2c3b7176a3da549ad41a48bb3121069",
+    "mixHash": "0x98c74c9e76fd0078157e1696e4334a7e787396459693a84536d8b96414dafd5d",
+    "nonce": "0x77a5a0a73ad8745e",
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+    "timestamp": "1456480432",
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+}
diff --git a/eth/tracers/internal/tracetest/testdata/prestate_tracer_with_diff_mode/simple.json b/eth/tracers/internal/tracetest/testdata/prestate_tracer_with_diff_mode/simple.json
new file mode 100644
index 0000000000..01cc3c5058
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/prestate_tracer_with_diff_mode/simple.json
@@ -0,0 +1,103 @@
+{
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+    "gasLimit": "4722976",
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+    }
+  }
+}
diff --git a/eth/tracers/internal/tracetest/testdata/prestate_tracer_with_diff_mode/suicide.json b/eth/tracers/internal/tracetest/testdata/prestate_tracer_with_diff_mode/suicide.json
new file mode 100644
index 0000000000..5021bda192
--- /dev/null
+++ b/eth/tracers/internal/tracetest/testdata/prestate_tracer_with_diff_mode/suicide.json
@@ -0,0 +1,107 @@
+{
+  "genesis": {
+    "difficulty": "5697691613344",
+    "extraData": "0xd783010202844765746887676f312e342e32856c696e7578",
+    "gasLimit": "3141592",
+    "hash": "0x2004021ae3545cf8abba1ec97a7e401157cee9e847131e2f4c75ce38610040cc",
+    "miner": "0x52bc44d5378309ee2abf1539bf71de1b7d7be3b5",
+    "mixHash": "0x651f01d13fb801c602e1544ab80b3bc32888ea40ef298efa52ec3df983b558ee",
+    "nonce": "0xdf23f0da925518a6",
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+    "stateRoot": "0xd914c6440edf9f4a6f997a9b3ecb6e1a9ca2310f74b0b6890c0d0d4a3c28e4d3",
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+    "totalDifficulty": "2148894717741690476",
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+        "code": "0x"
+      }
+    },
+    "config": {
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+      "homesteadBlock": 1150000,
+      "daoForkBlock": 1920000,
+      "daoForkSupport": true,
+      "eip150Block": 2463000,
+      "eip150Hash": "0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0",
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+      "petersburgBlock": 7280000,
+      "istanbulBlock": 9069000,
+      "muirGlacierBlock": 9200000,
+      "berlinBlock": 12244000,
+      "londonBlock": 12965000,
+      "arrowGlacierBlock": 13773000,
+      "grayGlacierBlock": 15050000,
+      "ethash": {}
+    }
+  },
+  "context": {
+    "number": "422909",
+    "difficulty": "5694909537365",
+    "timestamp": "1445530357",
+    "gasLimit": "3141592",
+    "miner": "0x2a65aca4d5fc5b5c859090a6c34d164135398226"
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+          "0x0000000000000000000000000000000000000000000000000000000000000001": "0x0000000000000000000000ff30c9e568f133adce1f1ea91e189613223fc461b9"
+        }
+      },
+      "0x2a65aca4d5fc5b5c859090a6c34d164135398226": {
+        "balance": "0x326601cc6cf364f6b9",
+        "nonce": 12122
+      },
+      "0xd3cda913deb6f67967b99d67acdfa1712c293601": {
+        "balance": "0x1ff0509d9d6821e26",
+        "nonce": 138
+      }
+    },
+    "post": {
+      "0x2a65aca4d5fc5b5c859090a6c34d164135398226": {
+        "balance": "0x326604ee5f5eecd2b9"
+      },
+      "0xd3cda913deb6f67967b99d67acdfa1712c293601": {
+        "balance": "0x1ff01e7e76afa4226",
+        "nonce": 139
+      }
+    }
+  }
+}
diff --git a/eth/tracers/internal/tracetest/util.go b/eth/tracers/internal/tracetest/util.go
new file mode 100644
index 0000000000..f2e866abf0
--- /dev/null
+++ b/eth/tracers/internal/tracetest/util.go
@@ -0,0 +1,81 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+package tracetest
+
+import (
+	"strings"
+	"unicode"
+
+	// Force-load native and js packages, to trigger registration
+	_ "github.com/ava-labs/subnet-evm/eth/tracers/js"
+	_ "github.com/ava-labs/subnet-evm/eth/tracers/native"
+)
+
+// To generate a new callTracer test, copy paste the makeTest method below into
+// a Geth console and call it with a transaction hash you which to export.
+
+/*
+// makeTest generates a callTracer test by running a prestate reassembled and a
+// call trace run, assembling all the gathered information into a test case.
+var makeTest = function(tx, rewind) {
+  // Generate the genesis block from the block, transaction and prestate data
+  var block   = eth.getBlock(eth.getTransaction(tx).blockHash);
+  var genesis = eth.getBlock(block.parentHash);
+
+  delete genesis.gasUsed;
+  delete genesis.logsBloom;
+  delete genesis.parentHash;
+  delete genesis.receiptsRoot;
+  delete genesis.sha3Uncles;
+  delete genesis.size;
+  delete genesis.transactions;
+  delete genesis.transactionsRoot;
+  delete genesis.uncles;
+
+  genesis.gasLimit  = genesis.gasLimit.toString();
+  genesis.number    = genesis.number.toString();
+  genesis.timestamp = genesis.timestamp.toString();
+
+  genesis.alloc = debug.traceTransaction(tx, {tracer: "prestateTracer", rewind: rewind});
+  for (var key in genesis.alloc) {
+    var nonce = genesis.alloc[key].nonce;
+    if (nonce) {
+      genesis.alloc[key].nonce = nonce.toString();
+    }
+  }
+  genesis.config = admin.nodeInfo.protocols.eth.config;
+
+  // Generate the call trace and produce the test input
+  var result = debug.traceTransaction(tx, {tracer: "callTracer", rewind: rewind});
+  delete result.time;
+
+  console.log(JSON.stringify({
+    genesis: genesis,
+    context: {
+      number:     block.number.toString(),
+      difficulty: block.difficulty,
+      timestamp:  block.timestamp.toString(),
+      gasLimit:   block.gasLimit.toString(),
+      miner:      block.miner,
+    },
+    input:  eth.getRawTransaction(tx),
+    result: result,
+  }, null, 2));
+}
+*/
+
+// camel converts a snake cased input string into a camel cased output.
+func camel(str string) string {
+	pieces := strings.Split(str, "_")
+	for i := 1; i < len(pieces); i++ {
+		pieces[i] = string(unicode.ToUpper(rune(pieces[i][0]))) + pieces[i][1:]
+	}
+	return strings.Join(pieces, "")
+}
diff --git a/eth/tracers/js/bigint.go b/eth/tracers/js/bigint.go
new file mode 100644
index 0000000000..aa3f44e255
--- /dev/null
+++ b/eth/tracers/js/bigint.go
@@ -0,0 +1,30 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2021 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package js
+
+// bigIntegerJS is the minified version of https://github.com/peterolson/BigInteger.js.
+const bigIntegerJS = `var bigInt=function(undefined){"use strict";var BASE=1e7,LOG_BASE=7,MAX_INT=9007199254740992,MAX_INT_ARR=smallToArray(MAX_INT),LOG_MAX_INT=Math.log(MAX_INT);function Integer(v,radix){if(typeof v==="undefined")return Integer[0];if(typeof radix!=="undefined")return+radix===10?parseValue(v):parseBase(v,radix);return parseValue(v)}function BigInteger(value,sign){this.value=value;this.sign=sign;this.isSmall=false}BigInteger.prototype=Object.create(Integer.prototype);function SmallInteger(value){this.value=value;this.sign=value<0;this.isSmall=true}SmallInteger.prototype=Object.create(Integer.prototype);function isPrecise(n){return-MAX_INT<n&&n<MAX_INT}function smallToArray(n){if(n<1e7)return[n];if(n<1e14)return[n%1e7,Math.floor(n/1e7)];return[n%1e7,Math.floor(n/1e7)%1e7,Math.floor(n/1e14)]}function arrayToSmall(arr){trim(arr);var length=arr.length;if(length<4&&compareAbs(arr,MAX_INT_ARR)<0){switch(length){case 0:return 0;case 1:return arr[0];case 2:return arr[0]+arr[1]*BASE;default:return arr[0]+(arr[1]+arr[2]*BASE)*BASE}}return arr}function trim(v){var i=v.length;while(v[--i]===0);v.length=i+1}function createArray(length){var x=new Array(length);var i=-1;while(++i<length){x[i]=0}return x}function truncate(n){if(n>0)return Math.floor(n);return Math.ceil(n)}function add(a,b){var l_a=a.length,l_b=b.length,r=new Array(l_a),carry=0,base=BASE,sum,i;for(i=0;i<l_b;i++){sum=a[i]+b[i]+carry;carry=sum>=base?1:0;r[i]=sum-carry*base}while(i<l_a){sum=a[i]+carry;carry=sum===base?1:0;r[i++]=sum-carry*base}if(carry>0)r.push(carry);return r}function addAny(a,b){if(a.length>=b.length)return add(a,b);return add(b,a)}function addSmall(a,carry){var l=a.length,r=new Array(l),base=BASE,sum,i;for(i=0;i<l;i++){sum=a[i]-base+carry;carry=Math.floor(sum/base);r[i]=sum-carry*base;carry+=1}while(carry>0){r[i++]=carry%base;carry=Math.floor(carry/base)}return r}BigInteger.prototype.add=function(v){var n=parseValue(v);if(this.sign!==n.sign){return this.subtract(n.negate())}var a=this.value,b=n.value;if(n.isSmall){return new BigInteger(addSmall(a,Math.abs(b)),this.sign)}return new BigInteger(addAny(a,b),this.sign)};BigInteger.prototype.plus=BigInteger.prototype.add;SmallInteger.prototype.add=function(v){var n=parseValue(v);var a=this.value;if(a<0!==n.sign){return this.subtract(n.negate())}var b=n.value;if(n.isSmall){if(isPrecise(a+b))return new SmallInteger(a+b);b=smallToArray(Math.abs(b))}return new BigInteger(addSmall(b,Math.abs(a)),a<0)};SmallInteger.prototype.plus=SmallInteger.prototype.add;function subtract(a,b){var a_l=a.length,b_l=b.length,r=new Array(a_l),borrow=0,base=BASE,i,difference;for(i=0;i<b_l;i++){difference=a[i]-borrow-b[i];if(difference<0){difference+=base;borrow=1}else borrow=0;r[i]=difference}for(i=b_l;i<a_l;i++){difference=a[i]-borrow;if(difference<0)difference+=base;else{r[i++]=difference;break}r[i]=difference}for(;i<a_l;i++){r[i]=a[i]}trim(r);return r}function subtractAny(a,b,sign){var value;if(compareAbs(a,b)>=0){value=subtract(a,b)}else{value=subtract(b,a);sign=!sign}value=arrayToSmall(value);if(typeof value==="number"){if(sign)value=-value;return new SmallInteger(value)}return new BigInteger(value,sign)}function subtractSmall(a,b,sign){var l=a.length,r=new Array(l),carry=-b,base=BASE,i,difference;for(i=0;i<l;i++){difference=a[i]+carry;carry=Math.floor(difference/base);difference%=base;r[i]=difference<0?difference+base:difference}r=arrayToSmall(r);if(typeof r==="number"){if(sign)r=-r;return new SmallInteger(r)}return new BigInteger(r,sign)}BigInteger.prototype.subtract=function(v){var n=parseValue(v);if(this.sign!==n.sign){return this.add(n.negate())}var a=this.value,b=n.value;if(n.isSmall)return subtractSmall(a,Math.abs(b),this.sign);return subtractAny(a,b,this.sign)};BigInteger.prototype.minus=BigInteger.prototype.subtract;SmallInteger.prototype.subtract=function(v){var n=parseValue(v);var a=this.value;if(a<0!==n.sign){return this.add(n.negate())}var b=n.value;if(n.isSmall){return new SmallInteger(a-b)}return subtractSmall(b,Math.abs(a),a>=0)};SmallInteger.prototype.minus=SmallInteger.prototype.subtract;BigInteger.prototype.negate=function(){return new BigInteger(this.value,!this.sign)};SmallInteger.prototype.negate=function(){var sign=this.sign;var small=new SmallInteger(-this.value);small.sign=!sign;return small};BigInteger.prototype.abs=function(){return new BigInteger(this.value,false)};SmallInteger.prototype.abs=function(){return new SmallInteger(Math.abs(this.value))};function multiplyLong(a,b){var a_l=a.length,b_l=b.length,l=a_l+b_l,r=createArray(l),base=BASE,product,carry,i,a_i,b_j;for(i=0;i<a_l;++i){a_i=a[i];for(var j=0;j<b_l;++j){b_j=b[j];product=a_i*b_j+r[i+j];carry=Math.floor(product/base);r[i+j]=product-carry*base;r[i+j+1]+=carry}}trim(r);return r}function multiplySmall(a,b){var l=a.length,r=new Array(l),base=BASE,carry=0,product,i;for(i=0;i<l;i++){product=a[i]*b+carry;carry=Math.floor(product/base);r[i]=product-carry*base}while(carry>0){r[i++]=carry%base;carry=Math.floor(carry/base)}return r}function shiftLeft(x,n){var r=[];while(n-- >0)r.push(0);return r.concat(x)}function multiplyKaratsuba(x,y){var n=Math.max(x.length,y.length);if(n<=30)return multiplyLong(x,y);n=Math.ceil(n/2);var b=x.slice(n),a=x.slice(0,n),d=y.slice(n),c=y.slice(0,n);var ac=multiplyKaratsuba(a,c),bd=multiplyKaratsuba(b,d),abcd=multiplyKaratsuba(addAny(a,b),addAny(c,d));var product=addAny(addAny(ac,shiftLeft(subtract(subtract(abcd,ac),bd),n)),shiftLeft(bd,2*n));trim(product);return product}function useKaratsuba(l1,l2){return-.012*l1-.012*l2+15e-6*l1*l2>0}BigInteger.prototype.multiply=function(v){var n=parseValue(v),a=this.value,b=n.value,sign=this.sign!==n.sign,abs;if(n.isSmall){if(b===0)return Integer[0];if(b===1)return this;if(b===-1)return this.negate();abs=Math.abs(b);if(abs<BASE){return new BigInteger(multiplySmall(a,abs),sign)}b=smallToArray(abs)}if(useKaratsuba(a.length,b.length))return new BigInteger(multiplyKaratsuba(a,b),sign);return new BigInteger(multiplyLong(a,b),sign)};BigInteger.prototype.times=BigInteger.prototype.multiply;function multiplySmallAndArray(a,b,sign){if(a<BASE){return new BigInteger(multiplySmall(b,a),sign)}return new BigInteger(multiplyLong(b,smallToArray(a)),sign)}SmallInteger.prototype._multiplyBySmall=function(a){if(isPrecise(a.value*this.value)){return new SmallInteger(a.value*this.value)}return multiplySmallAndArray(Math.abs(a.value),smallToArray(Math.abs(this.value)),this.sign!==a.sign)};BigInteger.prototype._multiplyBySmall=function(a){if(a.value===0)return Integer[0];if(a.value===1)return this;if(a.value===-1)return this.negate();return multiplySmallAndArray(Math.abs(a.value),this.value,this.sign!==a.sign)};SmallInteger.prototype.multiply=function(v){return parseValue(v)._multiplyBySmall(this)};SmallInteger.prototype.times=SmallInteger.prototype.multiply;function square(a){var l=a.length,r=createArray(l+l),base=BASE,product,carry,i,a_i,a_j;for(i=0;i<l;i++){a_i=a[i];for(var j=0;j<l;j++){a_j=a[j];product=a_i*a_j+r[i+j];carry=Math.floor(product/base);r[i+j]=product-carry*base;r[i+j+1]+=carry}}trim(r);return r}BigInteger.prototype.square=function(){return new BigInteger(square(this.value),false)};SmallInteger.prototype.square=function(){var value=this.value*this.value;if(isPrecise(value))return new SmallInteger(value);return new BigInteger(square(smallToArray(Math.abs(this.value))),false)};function divMod1(a,b){var a_l=a.length,b_l=b.length,base=BASE,result=createArray(b.length),divisorMostSignificantDigit=b[b_l-1],lambda=Math.ceil(base/(2*divisorMostSignificantDigit)),remainder=multiplySmall(a,lambda),divisor=multiplySmall(b,lambda),quotientDigit,shift,carry,borrow,i,l,q;if(remainder.length<=a_l)remainder.push(0);divisor.push(0);divisorMostSignificantDigit=divisor[b_l-1];for(shift=a_l-b_l;shift>=0;shift--){quotientDigit=base-1;if(remainder[shift+b_l]!==divisorMostSignificantDigit){quotientDigit=Math.floor((remainder[shift+b_l]*base+remainder[shift+b_l-1])/divisorMostSignificantDigit)}carry=0;borrow=0;l=divisor.length;for(i=0;i<l;i++){carry+=quotientDigit*divisor[i];q=Math.floor(carry/base);borrow+=remainder[shift+i]-(carry-q*base);carry=q;if(borrow<0){remainder[shift+i]=borrow+base;borrow=-1}else{remainder[shift+i]=borrow;borrow=0}}while(borrow!==0){quotientDigit-=1;carry=0;for(i=0;i<l;i++){carry+=remainder[shift+i]-base+divisor[i];if(carry<0){remainder[shift+i]=carry+base;carry=0}else{remainder[shift+i]=carry;carry=1}}borrow+=carry}result[shift]=quotientDigit}remainder=divModSmall(remainder,lambda)[0];return[arrayToSmall(result),arrayToSmall(remainder)]}function divMod2(a,b){var a_l=a.length,b_l=b.length,result=[],part=[],base=BASE,guess,xlen,highx,highy,check;while(a_l){part.unshift(a[--a_l]);trim(part);if(compareAbs(part,b)<0){result.push(0);continue}xlen=part.length;highx=part[xlen-1]*base+part[xlen-2];highy=b[b_l-1]*base+b[b_l-2];if(xlen>b_l){highx=(highx+1)*base}guess=Math.ceil(highx/highy);do{check=multiplySmall(b,guess);if(compareAbs(check,part)<=0)break;guess--}while(guess);result.push(guess);part=subtract(part,check)}result.reverse();return[arrayToSmall(result),arrayToSmall(part)]}function divModSmall(value,lambda){var length=value.length,quotient=createArray(length),base=BASE,i,q,remainder,divisor;remainder=0;for(i=length-1;i>=0;--i){divisor=remainder*base+value[i];q=truncate(divisor/lambda);remainder=divisor-q*lambda;quotient[i]=q|0}return[quotient,remainder|0]}function divModAny(self,v){var value,n=parseValue(v);var a=self.value,b=n.value;var quotient;if(b===0)throw new Error("Cannot divide by zero");if(self.isSmall){if(n.isSmall){return[new SmallInteger(truncate(a/b)),new SmallInteger(a%b)]}return[Integer[0],self]}if(n.isSmall){if(b===1)return[self,Integer[0]];if(b==-1)return[self.negate(),Integer[0]];var abs=Math.abs(b);if(abs<BASE){value=divModSmall(a,abs);quotient=arrayToSmall(value[0]);var remainder=value[1];if(self.sign)remainder=-remainder;if(typeof quotient==="number"){if(self.sign!==n.sign)quotient=-quotient;return[new SmallInteger(quotient),new SmallInteger(remainder)]}return[new BigInteger(quotient,self.sign!==n.sign),new SmallInteger(remainder)]}b=smallToArray(abs)}var comparison=compareAbs(a,b);if(comparison===-1)return[Integer[0],self];if(comparison===0)return[Integer[self.sign===n.sign?1:-1],Integer[0]];if(a.length+b.length<=200)value=divMod1(a,b);else value=divMod2(a,b);quotient=value[0];var qSign=self.sign!==n.sign,mod=value[1],mSign=self.sign;if(typeof quotient==="number"){if(qSign)quotient=-quotient;quotient=new SmallInteger(quotient)}else quotient=new BigInteger(quotient,qSign);if(typeof mod==="number"){if(mSign)mod=-mod;mod=new SmallInteger(mod)}else mod=new BigInteger(mod,mSign);return[quotient,mod]}BigInteger.prototype.divmod=function(v){var result=divModAny(this,v);return{quotient:result[0],remainder:result[1]}};SmallInteger.prototype.divmod=BigInteger.prototype.divmod;BigInteger.prototype.divide=function(v){return divModAny(this,v)[0]};SmallInteger.prototype.over=SmallInteger.prototype.divide=BigInteger.prototype.over=BigInteger.prototype.divide;BigInteger.prototype.mod=function(v){return divModAny(this,v)[1]};SmallInteger.prototype.remainder=SmallInteger.prototype.mod=BigInteger.prototype.remainder=BigInteger.prototype.mod;BigInteger.prototype.pow=function(v){var n=parseValue(v),a=this.value,b=n.value,value,x,y;if(b===0)return Integer[1];if(a===0)return Integer[0];if(a===1)return Integer[1];if(a===-1)return n.isEven()?Integer[1]:Integer[-1];if(n.sign){return Integer[0]}if(!n.isSmall)throw new Error("The exponent "+n.toString()+" is too large.");if(this.isSmall){if(isPrecise(value=Math.pow(a,b)))return new SmallInteger(truncate(value))}x=this;y=Integer[1];while(true){if(b&1===1){y=y.times(x);--b}if(b===0)break;b/=2;x=x.square()}return y};SmallInteger.prototype.pow=BigInteger.prototype.pow;BigInteger.prototype.modPow=function(exp,mod){exp=parseValue(exp);mod=parseValue(mod);if(mod.isZero())throw new Error("Cannot take modPow with modulus 0");var r=Integer[1],base=this.mod(mod);while(exp.isPositive()){if(base.isZero())return Integer[0];if(exp.isOdd())r=r.multiply(base).mod(mod);exp=exp.divide(2);base=base.square().mod(mod)}return r};SmallInteger.prototype.modPow=BigInteger.prototype.modPow;function compareAbs(a,b){if(a.length!==b.length){return a.length>b.length?1:-1}for(var i=a.length-1;i>=0;i--){if(a[i]!==b[i])return a[i]>b[i]?1:-1}return 0}BigInteger.prototype.compareAbs=function(v){var n=parseValue(v),a=this.value,b=n.value;if(n.isSmall)return 1;return compareAbs(a,b)};SmallInteger.prototype.compareAbs=function(v){var n=parseValue(v),a=Math.abs(this.value),b=n.value;if(n.isSmall){b=Math.abs(b);return a===b?0:a>b?1:-1}return-1};BigInteger.prototype.compare=function(v){if(v===Infinity){return-1}if(v===-Infinity){return 1}var n=parseValue(v),a=this.value,b=n.value;if(this.sign!==n.sign){return n.sign?1:-1}if(n.isSmall){return this.sign?-1:1}return compareAbs(a,b)*(this.sign?-1:1)};BigInteger.prototype.compareTo=BigInteger.prototype.compare;SmallInteger.prototype.compare=function(v){if(v===Infinity){return-1}if(v===-Infinity){return 1}var n=parseValue(v),a=this.value,b=n.value;if(n.isSmall){return a==b?0:a>b?1:-1}if(a<0!==n.sign){return a<0?-1:1}return a<0?1:-1};SmallInteger.prototype.compareTo=SmallInteger.prototype.compare;BigInteger.prototype.equals=function(v){return this.compare(v)===0};SmallInteger.prototype.eq=SmallInteger.prototype.equals=BigInteger.prototype.eq=BigInteger.prototype.equals;BigInteger.prototype.notEquals=function(v){return this.compare(v)!==0};SmallInteger.prototype.neq=SmallInteger.prototype.notEquals=BigInteger.prototype.neq=BigInteger.prototype.notEquals;BigInteger.prototype.greater=function(v){return this.compare(v)>0};SmallInteger.prototype.gt=SmallInteger.prototype.greater=BigInteger.prototype.gt=BigInteger.prototype.greater;BigInteger.prototype.lesser=function(v){return this.compare(v)<0};SmallInteger.prototype.lt=SmallInteger.prototype.lesser=BigInteger.prototype.lt=BigInteger.prototype.lesser;BigInteger.prototype.greaterOrEquals=function(v){return this.compare(v)>=0};SmallInteger.prototype.geq=SmallInteger.prototype.greaterOrEquals=BigInteger.prototype.geq=BigInteger.prototype.greaterOrEquals;BigInteger.prototype.lesserOrEquals=function(v){return this.compare(v)<=0};SmallInteger.prototype.leq=SmallInteger.prototype.lesserOrEquals=BigInteger.prototype.leq=BigInteger.prototype.lesserOrEquals;BigInteger.prototype.isEven=function(){return(this.value[0]&1)===0};SmallInteger.prototype.isEven=function(){return(this.value&1)===0};BigInteger.prototype.isOdd=function(){return(this.value[0]&1)===1};SmallInteger.prototype.isOdd=function(){return(this.value&1)===1};BigInteger.prototype.isPositive=function(){return!this.sign};SmallInteger.prototype.isPositive=function(){return this.value>0};BigInteger.prototype.isNegative=function(){return this.sign};SmallInteger.prototype.isNegative=function(){return this.value<0};BigInteger.prototype.isUnit=function(){return false};SmallInteger.prototype.isUnit=function(){return Math.abs(this.value)===1};BigInteger.prototype.isZero=function(){return false};SmallInteger.prototype.isZero=function(){return this.value===0};BigInteger.prototype.isDivisibleBy=function(v){var n=parseValue(v);var value=n.value;if(value===0)return false;if(value===1)return true;if(value===2)return this.isEven();return this.mod(n).equals(Integer[0])};SmallInteger.prototype.isDivisibleBy=BigInteger.prototype.isDivisibleBy;function isBasicPrime(v){var n=v.abs();if(n.isUnit())return false;if(n.equals(2)||n.equals(3)||n.equals(5))return true;if(n.isEven()||n.isDivisibleBy(3)||n.isDivisibleBy(5))return false;if(n.lesser(25))return true}BigInteger.prototype.isPrime=function(){var isPrime=isBasicPrime(this);if(isPrime!==undefined)return isPrime;var n=this.abs(),nPrev=n.prev();var a=[2,3,5,7,11,13,17,19],b=nPrev,d,t,i,x;while(b.isEven())b=b.divide(2);for(i=0;i<a.length;i++){x=bigInt(a[i]).modPow(b,n);if(x.equals(Integer[1])||x.equals(nPrev))continue;for(t=true,d=b;t&&d.lesser(nPrev);d=d.multiply(2)){x=x.square().mod(n);if(x.equals(nPrev))t=false}if(t)return false}return true};SmallInteger.prototype.isPrime=BigInteger.prototype.isPrime;BigInteger.prototype.isProbablePrime=function(iterations){var isPrime=isBasicPrime(this);if(isPrime!==undefined)return isPrime;var n=this.abs();var t=iterations===undefined?5:iterations;for(var i=0;i<t;i++){var a=bigInt.randBetween(2,n.minus(2));if(!a.modPow(n.prev(),n).isUnit())return false}return true};SmallInteger.prototype.isProbablePrime=BigInteger.prototype.isProbablePrime;BigInteger.prototype.modInv=function(n){var t=bigInt.zero,newT=bigInt.one,r=parseValue(n),newR=this.abs(),q,lastT,lastR;while(!newR.equals(bigInt.zero)){q=r.divide(newR);lastT=t;lastR=r;t=newT;r=newR;newT=lastT.subtract(q.multiply(newT));newR=lastR.subtract(q.multiply(newR))}if(!r.equals(1))throw new Error(this.toString()+" and "+n.toString()+" are not co-prime");if(t.compare(0)===-1){t=t.add(n)}if(this.isNegative()){return t.negate()}return t};SmallInteger.prototype.modInv=BigInteger.prototype.modInv;BigInteger.prototype.next=function(){var value=this.value;if(this.sign){return subtractSmall(value,1,this.sign)}return new BigInteger(addSmall(value,1),this.sign)};SmallInteger.prototype.next=function(){var value=this.value;if(value+1<MAX_INT)return new SmallInteger(value+1);return new BigInteger(MAX_INT_ARR,false)};BigInteger.prototype.prev=function(){var value=this.value;if(this.sign){return new BigInteger(addSmall(value,1),true)}return subtractSmall(value,1,this.sign)};SmallInteger.prototype.prev=function(){var value=this.value;if(value-1>-MAX_INT)return new SmallInteger(value-1);return new BigInteger(MAX_INT_ARR,true)};var powersOfTwo=[1];while(2*powersOfTwo[powersOfTwo.length-1]<=BASE)powersOfTwo.push(2*powersOfTwo[powersOfTwo.length-1]);var powers2Length=powersOfTwo.length,highestPower2=powersOfTwo[powers2Length-1];function shift_isSmall(n){return(typeof n==="number"||typeof n==="string")&&+Math.abs(n)<=BASE||n instanceof BigInteger&&n.value.length<=1}BigInteger.prototype.shiftLeft=function(n){if(!shift_isSmall(n)){throw new Error(String(n)+" is too large for shifting.")}n=+n;if(n<0)return this.shiftRight(-n);var result=this;while(n>=powers2Length){result=result.multiply(highestPower2);n-=powers2Length-1}return result.multiply(powersOfTwo[n])};SmallInteger.prototype.shiftLeft=BigInteger.prototype.shiftLeft;BigInteger.prototype.shiftRight=function(n){var remQuo;if(!shift_isSmall(n)){throw new Error(String(n)+" is too large for shifting.")}n=+n;if(n<0)return this.shiftLeft(-n);var result=this;while(n>=powers2Length){if(result.isZero())return result;remQuo=divModAny(result,highestPower2);result=remQuo[1].isNegative()?remQuo[0].prev():remQuo[0];n-=powers2Length-1}remQuo=divModAny(result,powersOfTwo[n]);return remQuo[1].isNegative()?remQuo[0].prev():remQuo[0]};SmallInteger.prototype.shiftRight=BigInteger.prototype.shiftRight;function bitwise(x,y,fn){y=parseValue(y);var xSign=x.isNegative(),ySign=y.isNegative();var xRem=xSign?x.not():x,yRem=ySign?y.not():y;var xDigit=0,yDigit=0;var xDivMod=null,yDivMod=null;var result=[];while(!xRem.isZero()||!yRem.isZero()){xDivMod=divModAny(xRem,highestPower2);xDigit=xDivMod[1].toJSNumber();if(xSign){xDigit=highestPower2-1-xDigit}yDivMod=divModAny(yRem,highestPower2);yDigit=yDivMod[1].toJSNumber();if(ySign){yDigit=highestPower2-1-yDigit}xRem=xDivMod[0];yRem=yDivMod[0];result.push(fn(xDigit,yDigit))}var sum=fn(xSign?1:0,ySign?1:0)!==0?bigInt(-1):bigInt(0);for(var i=result.length-1;i>=0;i-=1){sum=sum.multiply(highestPower2).add(bigInt(result[i]))}return sum}BigInteger.prototype.not=function(){return this.negate().prev()};SmallInteger.prototype.not=BigInteger.prototype.not;BigInteger.prototype.and=function(n){return bitwise(this,n,function(a,b){return a&b})};SmallInteger.prototype.and=BigInteger.prototype.and;BigInteger.prototype.or=function(n){return bitwise(this,n,function(a,b){return a|b})};SmallInteger.prototype.or=BigInteger.prototype.or;BigInteger.prototype.xor=function(n){return bitwise(this,n,function(a,b){return a^b})};SmallInteger.prototype.xor=BigInteger.prototype.xor;var LOBMASK_I=1<<30,LOBMASK_BI=(BASE&-BASE)*(BASE&-BASE)|LOBMASK_I;function roughLOB(n){var v=n.value,x=typeof v==="number"?v|LOBMASK_I:v[0]+v[1]*BASE|LOBMASK_BI;return x&-x}function max(a,b){a=parseValue(a);b=parseValue(b);return a.greater(b)?a:b}function min(a,b){a=parseValue(a);b=parseValue(b);return a.lesser(b)?a:b}function gcd(a,b){a=parseValue(a).abs();b=parseValue(b).abs();if(a.equals(b))return a;if(a.isZero())return b;if(b.isZero())return a;var c=Integer[1],d,t;while(a.isEven()&&b.isEven()){d=Math.min(roughLOB(a),roughLOB(b));a=a.divide(d);b=b.divide(d);c=c.multiply(d)}while(a.isEven()){a=a.divide(roughLOB(a))}do{while(b.isEven()){b=b.divide(roughLOB(b))}if(a.greater(b)){t=b;b=a;a=t}b=b.subtract(a)}while(!b.isZero());return c.isUnit()?a:a.multiply(c)}function lcm(a,b){a=parseValue(a).abs();b=parseValue(b).abs();return a.divide(gcd(a,b)).multiply(b)}function randBetween(a,b){a=parseValue(a);b=parseValue(b);var low=min(a,b),high=max(a,b);var range=high.subtract(low).add(1);if(range.isSmall)return low.add(Math.floor(Math.random()*range));var length=range.value.length-1;var result=[],restricted=true;for(var i=length;i>=0;i--){var top=restricted?range.value[i]:BASE;var digit=truncate(Math.random()*top);result.unshift(digit);if(digit<top)restricted=false}result=arrayToSmall(result);return low.add(typeof result==="number"?new SmallInteger(result):new BigInteger(result,false))}var parseBase=function(text,base){var length=text.length;var i;var absBase=Math.abs(base);for(var i=0;i<length;i++){var c=text[i].toLowerCase();if(c==="-")continue;if(/[a-z0-9]/.test(c)){if(/[0-9]/.test(c)&&+c>=absBase){if(c==="1"&&absBase===1)continue;throw new Error(c+" is not a valid digit in base "+base+".")}else if(c.charCodeAt(0)-87>=absBase){throw new Error(c+" is not a valid digit in base "+base+".")}}}if(2<=base&&base<=36){if(length<=LOG_MAX_INT/Math.log(base)){var result=parseInt(text,base);if(isNaN(result)){throw new Error(c+" is not a valid digit in base "+base+".")}return new SmallInteger(parseInt(text,base))}}base=parseValue(base);var digits=[];var isNegative=text[0]==="-";for(i=isNegative?1:0;i<text.length;i++){var c=text[i].toLowerCase(),charCode=c.charCodeAt(0);if(48<=charCode&&charCode<=57)digits.push(parseValue(c));else if(97<=charCode&&charCode<=122)digits.push(parseValue(c.charCodeAt(0)-87));else if(c==="<"){var start=i;do{i++}while(text[i]!==">");digits.push(parseValue(text.slice(start+1,i)))}else throw new Error(c+" is not a valid character")}return parseBaseFromArray(digits,base,isNegative)};function parseBaseFromArray(digits,base,isNegative){var val=Integer[0],pow=Integer[1],i;for(i=digits.length-1;i>=0;i--){val=val.add(digits[i].times(pow));pow=pow.times(base)}return isNegative?val.negate():val}function stringify(digit){var v=digit.value;if(typeof v==="number")v=[v];if(v.length===1&&v[0]<=35){return"0123456789abcdefghijklmnopqrstuvwxyz".charAt(v[0])}return"<"+v+">"}function toBase(n,base){base=bigInt(base);if(base.isZero()){if(n.isZero())return"0";throw new Error("Cannot convert nonzero numbers to base 0.")}if(base.equals(-1)){if(n.isZero())return"0";if(n.isNegative())return new Array(1-n).join("10");return"1"+new Array(+n).join("01")}var minusSign="";if(n.isNegative()&&base.isPositive()){minusSign="-";n=n.abs()}if(base.equals(1)){if(n.isZero())return"0";return minusSign+new Array(+n+1).join(1)}var out=[];var left=n,divmod;while(left.isNegative()||left.compareAbs(base)>=0){divmod=left.divmod(base);left=divmod.quotient;var digit=divmod.remainder;if(digit.isNegative()){digit=base.minus(digit).abs();left=left.next()}out.push(stringify(digit))}out.push(stringify(left));return minusSign+out.reverse().join("")}BigInteger.prototype.toString=function(radix){if(radix===undefined)radix=10;if(radix!==10)return toBase(this,radix);var v=this.value,l=v.length,str=String(v[--l]),zeros="0000000",digit;while(--l>=0){digit=String(v[l]);str+=zeros.slice(digit.length)+digit}var sign=this.sign?"-":"";return sign+str};SmallInteger.prototype.toString=function(radix){if(radix===undefined)radix=10;if(radix!=10)return toBase(this,radix);return String(this.value)};BigInteger.prototype.toJSON=SmallInteger.prototype.toJSON=function(){return this.toString()};BigInteger.prototype.valueOf=function(){return+this.toString()};BigInteger.prototype.toJSNumber=BigInteger.prototype.valueOf;SmallInteger.prototype.valueOf=function(){return this.value};SmallInteger.prototype.toJSNumber=SmallInteger.prototype.valueOf;function parseStringValue(v){if(isPrecise(+v)){var x=+v;if(x===truncate(x))return new SmallInteger(x);throw"Invalid integer: "+v}var sign=v[0]==="-";if(sign)v=v.slice(1);var split=v.split(/e/i);if(split.length>2)throw new Error("Invalid integer: "+split.join("e"));if(split.length===2){var exp=split[1];if(exp[0]==="+")exp=exp.slice(1);exp=+exp;if(exp!==truncate(exp)||!isPrecise(exp))throw new Error("Invalid integer: "+exp+" is not a valid exponent.");var text=split[0];var decimalPlace=text.indexOf(".");if(decimalPlace>=0){exp-=text.length-decimalPlace-1;text=text.slice(0,decimalPlace)+text.slice(decimalPlace+1)}if(exp<0)throw new Error("Cannot include negative exponent part for integers");text+=new Array(exp+1).join("0");v=text}var isValid=/^([0-9][0-9]*)$/.test(v);if(!isValid)throw new Error("Invalid integer: "+v);var r=[],max=v.length,l=LOG_BASE,min=max-l;while(max>0){r.push(+v.slice(min,max));min-=l;if(min<0)min=0;max-=l}trim(r);return new BigInteger(r,sign)}function parseNumberValue(v){if(isPrecise(v)){if(v!==truncate(v))throw new Error(v+" is not an integer.");return new SmallInteger(v)}return parseStringValue(v.toString())}function parseValue(v){if(typeof v==="number"){return parseNumberValue(v)}if(typeof v==="string"){return parseStringValue(v)}return v}for(var i=0;i<1e3;i++){Integer[i]=new SmallInteger(i);if(i>0)Integer[-i]=new SmallInteger(-i)}Integer.one=Integer[1];Integer.zero=Integer[0];Integer.minusOne=Integer[-1];Integer.max=max;Integer.min=min;Integer.gcd=gcd;Integer.lcm=lcm;Integer.isInstance=function(x){return x instanceof BigInteger||x instanceof SmallInteger};Integer.randBetween=randBetween;Integer.fromArray=function(digits,base,isNegative){return parseBaseFromArray(digits.map(parseValue),parseValue(base||10),isNegative)};return Integer}();if(typeof module!=="undefined"&&module.hasOwnProperty("exports")){module.exports=bigInt}if(typeof define==="function"&&define.amd){define("big-integer",[],function(){return bigInt})}; bigInt`
diff --git a/eth/tracers/js/goja.go b/eth/tracers/js/goja.go
new file mode 100644
index 0000000000..14a030fb05
--- /dev/null
+++ b/eth/tracers/js/goja.go
@@ -0,0 +1,978 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package js
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"math/big"
+
+	"github.com/dop251/goja"
+
+	"github.com/ava-labs/subnet-evm/core/vm"
+	"github.com/ava-labs/subnet-evm/eth/tracers"
+	jsassets "github.com/ava-labs/subnet-evm/eth/tracers/js/internal/tracers"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/ethereum/go-ethereum/crypto"
+)
+
+const (
+	memoryPadLimit = 1024 * 1024
+)
+
+var assetTracers = make(map[string]string)
+
+// init retrieves the JavaScript transaction tracers included in go-ethereum.
+func init() {
+	var err error
+	assetTracers, err = jsassets.Load()
+	if err != nil {
+		panic(err)
+	}
+	type ctorFn = func(*tracers.Context, json.RawMessage) (tracers.Tracer, error)
+	lookup := func(code string) ctorFn {
+		return func(ctx *tracers.Context, cfg json.RawMessage) (tracers.Tracer, error) {
+			return newJsTracer(code, ctx, cfg)
+		}
+	}
+	for name, code := range assetTracers {
+		tracers.DefaultDirectory.Register(name, lookup(code), true)
+	}
+	tracers.DefaultDirectory.RegisterJSEval(newJsTracer)
+}
+
+// bigIntProgram is compiled once and the exported function mostly invoked to convert
+// hex strings into big ints.
+var bigIntProgram = goja.MustCompile("bigInt", bigIntegerJS, false)
+
+type toBigFn = func(vm *goja.Runtime, val string) (goja.Value, error)
+type toBufFn = func(vm *goja.Runtime, val []byte) (goja.Value, error)
+type fromBufFn = func(vm *goja.Runtime, buf goja.Value, allowString bool) ([]byte, error)
+
+func toBuf(vm *goja.Runtime, bufType goja.Value, val []byte) (goja.Value, error) {
+	// bufType is usually Uint8Array. This is equivalent to `new Uint8Array(val)` in JS.
+	return vm.New(bufType, vm.ToValue(vm.NewArrayBuffer(val)))
+}
+
+func fromBuf(vm *goja.Runtime, bufType goja.Value, buf goja.Value, allowString bool) ([]byte, error) {
+	obj := buf.ToObject(vm)
+	switch obj.ClassName() {
+	case "String":
+		if !allowString {
+			break
+		}
+		return common.FromHex(obj.String()), nil
+
+	case "Array":
+		var b []byte
+		if err := vm.ExportTo(buf, &b); err != nil {
+			return nil, err
+		}
+		return b, nil
+
+	case "Object":
+		if !obj.Get("constructor").SameAs(bufType) {
+			break
+		}
+		b := obj.Get("buffer").Export().(goja.ArrayBuffer).Bytes()
+		return b, nil
+	}
+	return nil, fmt.Errorf("invalid buffer type")
+}
+
+// jsTracer is an implementation of the Tracer interface which evaluates
+// JS functions on the relevant EVM hooks. It uses Goja as its JS engine.
+type jsTracer struct {
+	vm                *goja.Runtime
+	env               *vm.EVM
+	toBig             toBigFn               // Converts a hex string into a JS bigint
+	toBuf             toBufFn               // Converts a []byte into a JS buffer
+	fromBuf           fromBufFn             // Converts an array, hex string or Uint8Array to a []byte
+	ctx               map[string]goja.Value // KV-bag passed to JS in `result`
+	activePrecompiles []common.Address      // List of active precompiles at current block
+	traceStep         bool                  // True if tracer object exposes a `step()` method
+	traceFrame        bool                  // True if tracer object exposes the `enter()` and `exit()` methods
+	gasLimit          uint64                // Amount of gas bought for the whole tx
+	err               error                 // Any error that should stop tracing
+	obj               *goja.Object          // Trace object
+
+	// Methods exposed by tracer
+	result goja.Callable
+	fault  goja.Callable
+	step   goja.Callable
+	enter  goja.Callable
+	exit   goja.Callable
+
+	// Underlying structs being passed into JS
+	log         *steplog
+	frame       *callframe
+	frameResult *callframeResult
+
+	// Goja-wrapping of types prepared for JS consumption
+	logValue         goja.Value
+	dbValue          goja.Value
+	frameValue       goja.Value
+	frameResultValue goja.Value
+}
+
+// newJsTracer instantiates a new JS tracer instance. code is a
+// Javascript snippet which evaluates to an expression returning
+// an object with certain methods:
+//
+// The methods `result` and `fault` are required to be present.
+// The methods `step`, `enter`, and `exit` are optional, but note that
+// `enter` and `exit` always go together.
+func newJsTracer(code string, ctx *tracers.Context, cfg json.RawMessage) (tracers.Tracer, error) {
+	vm := goja.New()
+	// By default field names are exported to JS as is, i.e. capitalized.
+	vm.SetFieldNameMapper(goja.UncapFieldNameMapper())
+	t := &jsTracer{
+		vm:  vm,
+		ctx: make(map[string]goja.Value),
+	}
+	if ctx == nil {
+		ctx = new(tracers.Context)
+	}
+	if ctx.BlockHash != (common.Hash{}) {
+		t.ctx["blockHash"] = vm.ToValue(ctx.BlockHash.Bytes())
+		if ctx.TxHash != (common.Hash{}) {
+			t.ctx["txIndex"] = vm.ToValue(ctx.TxIndex)
+			t.ctx["txHash"] = vm.ToValue(ctx.TxHash.Bytes())
+		}
+	}
+
+	t.setTypeConverters()
+	t.setBuiltinFunctions()
+	ret, err := vm.RunString("(" + code + ")")
+	if err != nil {
+		return nil, err
+	}
+	// Check tracer's interface for required and optional methods.
+	obj := ret.ToObject(vm)
+	result, ok := goja.AssertFunction(obj.Get("result"))
+	if !ok {
+		return nil, errors.New("trace object must expose a function result()")
+	}
+	fault, ok := goja.AssertFunction(obj.Get("fault"))
+	if !ok {
+		return nil, errors.New("trace object must expose a function fault()")
+	}
+	step, ok := goja.AssertFunction(obj.Get("step"))
+	t.traceStep = ok
+	enter, hasEnter := goja.AssertFunction(obj.Get("enter"))
+	exit, hasExit := goja.AssertFunction(obj.Get("exit"))
+	if hasEnter != hasExit {
+		return nil, errors.New("trace object must expose either both or none of enter() and exit()")
+	}
+	t.traceFrame = hasEnter
+	t.obj = obj
+	t.step = step
+	t.enter = enter
+	t.exit = exit
+	t.result = result
+	t.fault = fault
+
+	// Pass in config
+	if setup, ok := goja.AssertFunction(obj.Get("setup")); ok {
+		cfgStr := "{}"
+		if cfg != nil {
+			cfgStr = string(cfg)
+		}
+		if _, err := setup(obj, vm.ToValue(cfgStr)); err != nil {
+			return nil, err
+		}
+	}
+	// Setup objects carrying data to JS. These are created once and re-used.
+	t.log = &steplog{
+		vm:       vm,
+		op:       &opObj{vm: vm},
+		memory:   &memoryObj{vm: vm, toBig: t.toBig, toBuf: t.toBuf},
+		stack:    &stackObj{vm: vm, toBig: t.toBig},
+		contract: &contractObj{vm: vm, toBig: t.toBig, toBuf: t.toBuf},
+	}
+	t.frame = &callframe{vm: vm, toBig: t.toBig, toBuf: t.toBuf}
+	t.frameResult = &callframeResult{vm: vm, toBuf: t.toBuf}
+	t.frameValue = t.frame.setupObject()
+	t.frameResultValue = t.frameResult.setupObject()
+	t.logValue = t.log.setupObject()
+	return t, nil
+}
+
+// CaptureTxStart implements the Tracer interface and is invoked at the beginning of
+// transaction processing.
+func (t *jsTracer) CaptureTxStart(gasLimit uint64) {
+	t.gasLimit = gasLimit
+}
+
+// CaptureTxEnd implements the Tracer interface and is invoked at the end of
+// transaction processing.
+func (t *jsTracer) CaptureTxEnd(restGas uint64) {
+	t.ctx["gasUsed"] = t.vm.ToValue(t.gasLimit - restGas)
+}
+
+// CaptureStart implements the Tracer interface to initialize the tracing operation.
+func (t *jsTracer) CaptureStart(env *vm.EVM, from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) {
+	t.env = env
+	db := &dbObj{db: env.StateDB, vm: t.vm, toBig: t.toBig, toBuf: t.toBuf, fromBuf: t.fromBuf}
+	t.dbValue = db.setupObject()
+	if create {
+		t.ctx["type"] = t.vm.ToValue("CREATE")
+	} else {
+		t.ctx["type"] = t.vm.ToValue("CALL")
+	}
+	t.ctx["from"] = t.vm.ToValue(from.Bytes())
+	t.ctx["to"] = t.vm.ToValue(to.Bytes())
+	t.ctx["input"] = t.vm.ToValue(input)
+	t.ctx["gas"] = t.vm.ToValue(gas)
+	t.ctx["gasPrice"] = t.vm.ToValue(env.TxContext.GasPrice)
+	valueBig, err := t.toBig(t.vm, value.String())
+	if err != nil {
+		t.err = err
+		return
+	}
+	t.ctx["value"] = valueBig
+	t.ctx["block"] = t.vm.ToValue(env.Context.BlockNumber.Uint64())
+	// Update list of precompiles based on current block
+	rules := env.ChainConfig().AvalancheRules(env.Context.BlockNumber, env.Context.Time)
+	t.activePrecompiles = vm.ActivePrecompiles(rules)
+}
+
+// CaptureState implements the Tracer interface to trace a single step of VM execution.
+func (t *jsTracer) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, rData []byte, depth int, err error) {
+	if !t.traceStep {
+		return
+	}
+	if t.err != nil {
+		return
+	}
+
+	log := t.log
+	log.op.op = op
+	log.memory.memory = scope.Memory
+	log.stack.stack = scope.Stack
+	log.contract.contract = scope.Contract
+	log.pc = pc
+	log.gas = gas
+	log.cost = cost
+	log.refund = t.env.StateDB.GetRefund()
+	log.depth = depth
+	log.err = err
+	if _, err := t.step(t.obj, t.logValue, t.dbValue); err != nil {
+		t.onError("step", err)
+	}
+}
+
+// CaptureFault implements the Tracer interface to trace an execution fault
+func (t *jsTracer) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, depth int, err error) {
+	if t.err != nil {
+		return
+	}
+	// Other log fields have been already set as part of the last CaptureState.
+	t.log.err = err
+	if _, err := t.fault(t.obj, t.logValue, t.dbValue); err != nil {
+		t.onError("fault", err)
+	}
+}
+
+// CaptureEnd is called after the call finishes to finalize the tracing.
+func (t *jsTracer) CaptureEnd(output []byte, gasUsed uint64, err error) {
+	t.ctx["output"] = t.vm.ToValue(output)
+	if err != nil {
+		t.ctx["error"] = t.vm.ToValue(err.Error())
+	}
+}
+
+// CaptureEnter is called when EVM enters a new scope (via call, create or selfdestruct).
+func (t *jsTracer) CaptureEnter(typ vm.OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
+	if !t.traceFrame {
+		return
+	}
+	if t.err != nil {
+		return
+	}
+
+	t.frame.typ = typ.String()
+	t.frame.from = from
+	t.frame.to = to
+	t.frame.input = common.CopyBytes(input)
+	t.frame.gas = uint(gas)
+	t.frame.value = nil
+	if value != nil {
+		t.frame.value = new(big.Int).SetBytes(value.Bytes())
+	}
+
+	if _, err := t.enter(t.obj, t.frameValue); err != nil {
+		t.onError("enter", err)
+	}
+}
+
+// CaptureExit is called when EVM exits a scope, even if the scope didn't
+// execute any code.
+func (t *jsTracer) CaptureExit(output []byte, gasUsed uint64, err error) {
+	if !t.traceFrame {
+		return
+	}
+
+	t.frameResult.gasUsed = uint(gasUsed)
+	t.frameResult.output = common.CopyBytes(output)
+	t.frameResult.err = err
+
+	if _, err := t.exit(t.obj, t.frameResultValue); err != nil {
+		t.onError("exit", err)
+	}
+}
+
+// GetResult calls the Javascript 'result' function and returns its value, or any accumulated error
+func (t *jsTracer) GetResult() (json.RawMessage, error) {
+	ctx := t.vm.ToValue(t.ctx)
+	res, err := t.result(t.obj, ctx, t.dbValue)
+	if err != nil {
+		return nil, wrapError("result", err)
+	}
+	encoded, err := json.Marshal(res)
+	if err != nil {
+		return nil, err
+	}
+	return json.RawMessage(encoded), t.err
+}
+
+// Stop terminates execution of the tracer at the first opportune moment.
+func (t *jsTracer) Stop(err error) {
+	t.vm.Interrupt(err)
+}
+
+// onError is called anytime the running JS code is interrupted
+// and returns an error. It in turn pings the EVM to cancel its
+// execution.
+func (t *jsTracer) onError(context string, err error) {
+	t.err = wrapError(context, err)
+	// `env` is set on CaptureStart which comes before any JS execution.
+	// So it should be non-nil.
+	t.env.Cancel()
+}
+
+func wrapError(context string, err error) error {
+	return fmt.Errorf("%v    in server-side tracer function '%v'", err, context)
+}
+
+// setBuiltinFunctions injects Go functions which are available to tracers into the environment.
+// It depends on type converters having been set up.
+func (t *jsTracer) setBuiltinFunctions() {
+	vm := t.vm
+	// TODO: load console from goja-nodejs
+	vm.Set("toHex", func(v goja.Value) string {
+		b, err := t.fromBuf(vm, v, false)
+		if err != nil {
+			vm.Interrupt(err)
+			return ""
+		}
+		return hexutil.Encode(b)
+	})
+	vm.Set("toWord", func(v goja.Value) goja.Value {
+		// TODO: add test with []byte len < 32 or > 32
+		b, err := t.fromBuf(vm, v, true)
+		if err != nil {
+			vm.Interrupt(err)
+			return nil
+		}
+		b = common.BytesToHash(b).Bytes()
+		res, err := t.toBuf(vm, b)
+		if err != nil {
+			vm.Interrupt(err)
+			return nil
+		}
+		return res
+	})
+	vm.Set("toAddress", func(v goja.Value) goja.Value {
+		a, err := t.fromBuf(vm, v, true)
+		if err != nil {
+			vm.Interrupt(err)
+			return nil
+		}
+		a = common.BytesToAddress(a).Bytes()
+		res, err := t.toBuf(vm, a)
+		if err != nil {
+			vm.Interrupt(err)
+			return nil
+		}
+		return res
+	})
+	vm.Set("toContract", func(from goja.Value, nonce uint) goja.Value {
+		a, err := t.fromBuf(vm, from, true)
+		if err != nil {
+			vm.Interrupt(err)
+			return nil
+		}
+		addr := common.BytesToAddress(a)
+		b := crypto.CreateAddress(addr, uint64(nonce)).Bytes()
+		res, err := t.toBuf(vm, b)
+		if err != nil {
+			vm.Interrupt(err)
+			return nil
+		}
+		return res
+	})
+	vm.Set("toContract2", func(from goja.Value, salt string, initcode goja.Value) goja.Value {
+		a, err := t.fromBuf(vm, from, true)
+		if err != nil {
+			vm.Interrupt(err)
+			return nil
+		}
+		addr := common.BytesToAddress(a)
+		code, err := t.fromBuf(vm, initcode, true)
+		if err != nil {
+			vm.Interrupt(err)
+			return nil
+		}
+		code = common.CopyBytes(code)
+		codeHash := crypto.Keccak256(code)
+		b := crypto.CreateAddress2(addr, common.HexToHash(salt), codeHash).Bytes()
+		res, err := t.toBuf(vm, b)
+		if err != nil {
+			vm.Interrupt(err)
+			return nil
+		}
+		return res
+	})
+	vm.Set("isPrecompiled", func(v goja.Value) bool {
+		a, err := t.fromBuf(vm, v, true)
+		if err != nil {
+			vm.Interrupt(err)
+			return false
+		}
+		addr := common.BytesToAddress(a)
+		for _, p := range t.activePrecompiles {
+			if p == addr {
+				return true
+			}
+		}
+		return false
+	})
+	vm.Set("slice", func(slice goja.Value, start, end int) goja.Value {
+		b, err := t.fromBuf(vm, slice, false)
+		if err != nil {
+			vm.Interrupt(err)
+			return nil
+		}
+		if start < 0 || start > end || end > len(b) {
+			vm.Interrupt(fmt.Sprintf("Tracer accessed out of bound memory: available %d, offset %d, size %d", len(b), start, end-start))
+			return nil
+		}
+		res, err := t.toBuf(vm, b[start:end])
+		if err != nil {
+			vm.Interrupt(err)
+			return nil
+		}
+		return res
+	})
+}
+
+// setTypeConverters sets up utilities for converting Go types into those
+// suitable for JS consumption.
+func (t *jsTracer) setTypeConverters() error {
+	// Inject bigint logic.
+	// TODO: To be replaced after goja adds support for native JS bigint.
+	toBigCode, err := t.vm.RunProgram(bigIntProgram)
+	if err != nil {
+		return err
+	}
+	// Used to create JS bigint objects from go.
+	toBigFn, ok := goja.AssertFunction(toBigCode)
+	if !ok {
+		return errors.New("failed to bind bigInt func")
+	}
+	toBigWrapper := func(vm *goja.Runtime, val string) (goja.Value, error) {
+		return toBigFn(goja.Undefined(), vm.ToValue(val))
+	}
+	t.toBig = toBigWrapper
+	// NOTE: We need this workaround to create JS buffers because
+	// goja doesn't at the moment expose constructors for typed arrays.
+	//
+	// Cache uint8ArrayType once to be used every time for less overhead.
+	uint8ArrayType := t.vm.Get("Uint8Array")
+	toBufWrapper := func(vm *goja.Runtime, val []byte) (goja.Value, error) {
+		return toBuf(vm, uint8ArrayType, val)
+	}
+	t.toBuf = toBufWrapper
+	fromBufWrapper := func(vm *goja.Runtime, buf goja.Value, allowString bool) ([]byte, error) {
+		return fromBuf(vm, uint8ArrayType, buf, allowString)
+	}
+	t.fromBuf = fromBufWrapper
+	return nil
+}
+
+type opObj struct {
+	vm *goja.Runtime
+	op vm.OpCode
+}
+
+func (o *opObj) ToNumber() int {
+	return int(o.op)
+}
+
+func (o *opObj) ToString() string {
+	return o.op.String()
+}
+
+func (o *opObj) IsPush() bool {
+	return o.op.IsPush()
+}
+
+func (o *opObj) setupObject() *goja.Object {
+	obj := o.vm.NewObject()
+	obj.Set("toNumber", o.vm.ToValue(o.ToNumber))
+	obj.Set("toString", o.vm.ToValue(o.ToString))
+	obj.Set("isPush", o.vm.ToValue(o.IsPush))
+	return obj
+}
+
+type memoryObj struct {
+	memory *vm.Memory
+	vm     *goja.Runtime
+	toBig  toBigFn
+	toBuf  toBufFn
+}
+
+func (mo *memoryObj) Slice(begin, end int64) goja.Value {
+	b, err := mo.slice(begin, end)
+	if err != nil {
+		mo.vm.Interrupt(err)
+		return nil
+	}
+	res, err := mo.toBuf(mo.vm, b)
+	if err != nil {
+		mo.vm.Interrupt(err)
+		return nil
+	}
+	return res
+}
+
+// slice returns the requested range of memory as a byte slice.
+func (mo *memoryObj) slice(begin, end int64) ([]byte, error) {
+	if end == begin {
+		return []byte{}, nil
+	}
+	if end < begin || begin < 0 {
+		return nil, fmt.Errorf("tracer accessed out of bound memory: offset %d, end %d", begin, end)
+	}
+	mlen := mo.memory.Len()
+	if end-int64(mlen) > memoryPadLimit {
+		return nil, fmt.Errorf("tracer reached limit for padding memory slice: end %d, memorySize %d", end, mlen)
+	}
+	slice := make([]byte, end-begin)
+	end = min(end, int64(mo.memory.Len()))
+	ptr := mo.memory.GetPtr(begin, end-begin)
+	copy(slice[:], ptr[:])
+	return slice, nil
+}
+
+func (mo *memoryObj) GetUint(addr int64) goja.Value {
+	value, err := mo.getUint(addr)
+	if err != nil {
+		mo.vm.Interrupt(err)
+		return nil
+	}
+	res, err := mo.toBig(mo.vm, value.String())
+	if err != nil {
+		mo.vm.Interrupt(err)
+		return nil
+	}
+	return res
+}
+
+// getUint returns the 32 bytes at the specified address interpreted as a uint.
+func (mo *memoryObj) getUint(addr int64) (*big.Int, error) {
+	if mo.memory.Len() < int(addr)+32 || addr < 0 {
+		return nil, fmt.Errorf("tracer accessed out of bound memory: available %d, offset %d, size %d", mo.memory.Len(), addr, 32)
+	}
+	return new(big.Int).SetBytes(mo.memory.GetPtr(addr, 32)), nil
+}
+
+func (mo *memoryObj) Length() int {
+	return mo.memory.Len()
+}
+
+func (m *memoryObj) setupObject() *goja.Object {
+	o := m.vm.NewObject()
+	o.Set("slice", m.vm.ToValue(m.Slice))
+	o.Set("getUint", m.vm.ToValue(m.GetUint))
+	o.Set("length", m.vm.ToValue(m.Length))
+	return o
+}
+
+type stackObj struct {
+	stack *vm.Stack
+	vm    *goja.Runtime
+	toBig toBigFn
+}
+
+func (s *stackObj) Peek(idx int) goja.Value {
+	value, err := s.peek(idx)
+	if err != nil {
+		s.vm.Interrupt(err)
+		return nil
+	}
+	res, err := s.toBig(s.vm, value.String())
+	if err != nil {
+		s.vm.Interrupt(err)
+		return nil
+	}
+	return res
+}
+
+// peek returns the nth-from-the-top element of the stack.
+func (s *stackObj) peek(idx int) (*big.Int, error) {
+	if len(s.stack.Data()) <= idx || idx < 0 {
+		return nil, fmt.Errorf("tracer accessed out of bound stack: size %d, index %d", len(s.stack.Data()), idx)
+	}
+	return s.stack.Back(idx).ToBig(), nil
+}
+
+func (s *stackObj) Length() int {
+	return len(s.stack.Data())
+}
+
+func (s *stackObj) setupObject() *goja.Object {
+	o := s.vm.NewObject()
+	o.Set("peek", s.vm.ToValue(s.Peek))
+	o.Set("length", s.vm.ToValue(s.Length))
+	return o
+}
+
+type dbObj struct {
+	db      vm.StateDB
+	vm      *goja.Runtime
+	toBig   toBigFn
+	toBuf   toBufFn
+	fromBuf fromBufFn
+}
+
+func (do *dbObj) GetBalance(addrSlice goja.Value) goja.Value {
+	a, err := do.fromBuf(do.vm, addrSlice, false)
+	if err != nil {
+		do.vm.Interrupt(err)
+		return nil
+	}
+	addr := common.BytesToAddress(a)
+	value := do.db.GetBalance(addr)
+	res, err := do.toBig(do.vm, value.String())
+	if err != nil {
+		do.vm.Interrupt(err)
+		return nil
+	}
+	return res
+}
+
+func (do *dbObj) GetNonce(addrSlice goja.Value) uint64 {
+	a, err := do.fromBuf(do.vm, addrSlice, false)
+	if err != nil {
+		do.vm.Interrupt(err)
+		return 0
+	}
+	addr := common.BytesToAddress(a)
+	return do.db.GetNonce(addr)
+}
+
+func (do *dbObj) GetCode(addrSlice goja.Value) goja.Value {
+	a, err := do.fromBuf(do.vm, addrSlice, false)
+	if err != nil {
+		do.vm.Interrupt(err)
+		return nil
+	}
+	addr := common.BytesToAddress(a)
+	code := do.db.GetCode(addr)
+	res, err := do.toBuf(do.vm, code)
+	if err != nil {
+		do.vm.Interrupt(err)
+		return nil
+	}
+	return res
+}
+
+func (do *dbObj) GetState(addrSlice goja.Value, hashSlice goja.Value) goja.Value {
+	a, err := do.fromBuf(do.vm, addrSlice, false)
+	if err != nil {
+		do.vm.Interrupt(err)
+		return nil
+	}
+	addr := common.BytesToAddress(a)
+	h, err := do.fromBuf(do.vm, hashSlice, false)
+	if err != nil {
+		do.vm.Interrupt(err)
+		return nil
+	}
+	hash := common.BytesToHash(h)
+	state := do.db.GetState(addr, hash).Bytes()
+	res, err := do.toBuf(do.vm, state)
+	if err != nil {
+		do.vm.Interrupt(err)
+		return nil
+	}
+	return res
+}
+
+func (do *dbObj) Exists(addrSlice goja.Value) bool {
+	a, err := do.fromBuf(do.vm, addrSlice, false)
+	if err != nil {
+		do.vm.Interrupt(err)
+		return false
+	}
+	addr := common.BytesToAddress(a)
+	return do.db.Exist(addr)
+}
+
+func (do *dbObj) setupObject() *goja.Object {
+	o := do.vm.NewObject()
+	o.Set("getBalance", do.vm.ToValue(do.GetBalance))
+	o.Set("getNonce", do.vm.ToValue(do.GetNonce))
+	o.Set("getCode", do.vm.ToValue(do.GetCode))
+	o.Set("getState", do.vm.ToValue(do.GetState))
+	o.Set("exists", do.vm.ToValue(do.Exists))
+	return o
+}
+
+type contractObj struct {
+	contract *vm.Contract
+	vm       *goja.Runtime
+	toBig    toBigFn
+	toBuf    toBufFn
+}
+
+func (co *contractObj) GetCaller() goja.Value {
+	caller := co.contract.Caller().Bytes()
+	res, err := co.toBuf(co.vm, caller)
+	if err != nil {
+		co.vm.Interrupt(err)
+		return nil
+	}
+	return res
+}
+
+func (co *contractObj) GetAddress() goja.Value {
+	addr := co.contract.Address().Bytes()
+	res, err := co.toBuf(co.vm, addr)
+	if err != nil {
+		co.vm.Interrupt(err)
+		return nil
+	}
+	return res
+}
+
+func (co *contractObj) GetValue() goja.Value {
+	value := co.contract.Value()
+	res, err := co.toBig(co.vm, value.String())
+	if err != nil {
+		co.vm.Interrupt(err)
+		return nil
+	}
+	return res
+}
+
+func (co *contractObj) GetInput() goja.Value {
+	input := common.CopyBytes(co.contract.Input)
+	res, err := co.toBuf(co.vm, input)
+	if err != nil {
+		co.vm.Interrupt(err)
+		return nil
+	}
+	return res
+}
+
+func (c *contractObj) setupObject() *goja.Object {
+	o := c.vm.NewObject()
+	o.Set("getCaller", c.vm.ToValue(c.GetCaller))
+	o.Set("getAddress", c.vm.ToValue(c.GetAddress))
+	o.Set("getValue", c.vm.ToValue(c.GetValue))
+	o.Set("getInput", c.vm.ToValue(c.GetInput))
+	return o
+}
+
+type callframe struct {
+	vm    *goja.Runtime
+	toBig toBigFn
+	toBuf toBufFn
+
+	typ   string
+	from  common.Address
+	to    common.Address
+	input []byte
+	gas   uint
+	value *big.Int
+}
+
+func (f *callframe) GetType() string {
+	return f.typ
+}
+
+func (f *callframe) GetFrom() goja.Value {
+	from := f.from.Bytes()
+	res, err := f.toBuf(f.vm, from)
+	if err != nil {
+		f.vm.Interrupt(err)
+		return nil
+	}
+	return res
+}
+
+func (f *callframe) GetTo() goja.Value {
+	to := f.to.Bytes()
+	res, err := f.toBuf(f.vm, to)
+	if err != nil {
+		f.vm.Interrupt(err)
+		return nil
+	}
+	return res
+}
+
+func (f *callframe) GetInput() goja.Value {
+	input := f.input
+	res, err := f.toBuf(f.vm, input)
+	if err != nil {
+		f.vm.Interrupt(err)
+		return nil
+	}
+	return res
+}
+
+func (f *callframe) GetGas() uint {
+	return f.gas
+}
+
+func (f *callframe) GetValue() goja.Value {
+	if f.value == nil {
+		return goja.Undefined()
+	}
+	res, err := f.toBig(f.vm, f.value.String())
+	if err != nil {
+		f.vm.Interrupt(err)
+		return nil
+	}
+	return res
+}
+
+func (f *callframe) setupObject() *goja.Object {
+	o := f.vm.NewObject()
+	o.Set("getType", f.vm.ToValue(f.GetType))
+	o.Set("getFrom", f.vm.ToValue(f.GetFrom))
+	o.Set("getTo", f.vm.ToValue(f.GetTo))
+	o.Set("getInput", f.vm.ToValue(f.GetInput))
+	o.Set("getGas", f.vm.ToValue(f.GetGas))
+	o.Set("getValue", f.vm.ToValue(f.GetValue))
+	return o
+}
+
+type callframeResult struct {
+	vm    *goja.Runtime
+	toBuf toBufFn
+
+	gasUsed uint
+	output  []byte
+	err     error
+}
+
+func (r *callframeResult) GetGasUsed() uint {
+	return r.gasUsed
+}
+
+func (r *callframeResult) GetOutput() goja.Value {
+	res, err := r.toBuf(r.vm, r.output)
+	if err != nil {
+		r.vm.Interrupt(err)
+		return nil
+	}
+	return res
+}
+
+func (r *callframeResult) GetError() goja.Value {
+	if r.err != nil {
+		return r.vm.ToValue(r.err.Error())
+	}
+	return goja.Undefined()
+}
+
+func (r *callframeResult) setupObject() *goja.Object {
+	o := r.vm.NewObject()
+	o.Set("getGasUsed", r.vm.ToValue(r.GetGasUsed))
+	o.Set("getOutput", r.vm.ToValue(r.GetOutput))
+	o.Set("getError", r.vm.ToValue(r.GetError))
+	return o
+}
+
+type steplog struct {
+	vm *goja.Runtime
+
+	op       *opObj
+	memory   *memoryObj
+	stack    *stackObj
+	contract *contractObj
+
+	pc     uint64
+	gas    uint64
+	cost   uint64
+	depth  int
+	refund uint64
+	err    error
+}
+
+func (l *steplog) GetPC() uint64     { return l.pc }
+func (l *steplog) GetGas() uint64    { return l.gas }
+func (l *steplog) GetCost() uint64   { return l.cost }
+func (l *steplog) GetDepth() int     { return l.depth }
+func (l *steplog) GetRefund() uint64 { return l.refund }
+
+func (l *steplog) GetError() goja.Value {
+	if l.err != nil {
+		return l.vm.ToValue(l.err.Error())
+	}
+	return goja.Undefined()
+}
+
+func (l *steplog) setupObject() *goja.Object {
+	o := l.vm.NewObject()
+	// Setup basic fields.
+	o.Set("getPC", l.vm.ToValue(l.GetPC))
+	o.Set("getGas", l.vm.ToValue(l.GetGas))
+	o.Set("getCost", l.vm.ToValue(l.GetCost))
+	o.Set("getDepth", l.vm.ToValue(l.GetDepth))
+	o.Set("getRefund", l.vm.ToValue(l.GetRefund))
+	o.Set("getError", l.vm.ToValue(l.GetError))
+	// Setup nested objects.
+	o.Set("op", l.op.setupObject())
+	o.Set("stack", l.stack.setupObject())
+	o.Set("memory", l.memory.setupObject())
+	o.Set("contract", l.contract.setupObject())
+	return o
+}
+
+func min(a, b int64) int64 {
+	if a < b {
+		return a
+	}
+	return b
+}
diff --git a/eth/tracers/js/internal/tracers/4byte_tracer_legacy.js b/eth/tracers/js/internal/tracers/4byte_tracer_legacy.js
new file mode 100644
index 0000000000..e4714b8bfb
--- /dev/null
+++ b/eth/tracers/js/internal/tracers/4byte_tracer_legacy.js
@@ -0,0 +1,86 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// 4byteTracer searches for 4byte-identifiers, and collects them for post-processing.
+// It collects the methods identifiers along with the size of the supplied data, so
+// a reversed signature can be matched against the size of the data.
+//
+// Example:
+//   > debug.traceTransaction( "0x214e597e35da083692f5386141e69f47e973b2c56e7a8073b1ea08fd7571e9de", {tracer: "4byteTracer"})
+//   {
+//     0x27dc297e-128: 1,
+//     0x38cc4831-0: 2,
+//     0x524f3889-96: 1,
+//     0xadf59f99-288: 1,
+//     0xc281d19e-0: 1
+//   }
+{
+	// ids aggregates the 4byte ids found.
+	ids : {},
+
+	// callType returns 'false' for non-calls, or the peek-index for the first param
+	// after 'value', i.e. meminstart.
+	callType: function(opstr){
+		switch(opstr){
+		case "CALL": case "CALLCODE":
+			// gas, addr, val, memin, meminsz, memout, memoutsz
+			return 3; // stack ptr to memin
+
+		case "DELEGATECALL": case "STATICCALL":
+			// gas, addr, memin, meminsz, memout, memoutsz
+			return 2; // stack ptr to memin
+		}
+		return false;
+	},
+
+	// store save the given identifier and datasize.
+	store: function(id, size){
+		var key = "" + toHex(id) + "-" + size;
+		this.ids[key] = this.ids[key] + 1 || 1;
+	},
+
+	// step is invoked for every opcode that the VM executes.
+	step: function(log, db) {
+		// Skip any opcodes that are not internal calls
+		var ct = this.callType(log.op.toString());
+		if (!ct) {
+			return;
+		}
+		// Skip any pre-compile invocations, those are just fancy opcodes
+		if (isPrecompiled(toAddress(log.stack.peek(1).toString(16)))) {
+			return;
+		}
+		// Gather internal call details
+		var inSz = log.stack.peek(ct + 1).valueOf();
+		if (inSz >= 4) {
+			var inOff = log.stack.peek(ct).valueOf();
+			this.store(log.memory.slice(inOff, inOff + 4), inSz-4);
+		}
+	},
+
+	// fault is invoked when the actual execution of an opcode fails.
+	fault: function(log, db) { },
+
+	// result is invoked when all the opcodes have been iterated over and returns
+	// the final result of the tracing.
+	result: function(ctx) {
+		// Save the outer calldata also
+		if (ctx.input.length >= 4) {
+			this.store(slice(ctx.input, 0, 4), ctx.input.length-4)
+		}
+		return this.ids;
+	},
+}
diff --git a/eth/tracers/js/internal/tracers/bigram_tracer.js b/eth/tracers/js/internal/tracers/bigram_tracer.js
new file mode 100644
index 0000000000..421c360af9
--- /dev/null
+++ b/eth/tracers/js/internal/tracers/bigram_tracer.js
@@ -0,0 +1,47 @@
+// Copyright 2018 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+{
+    // hist is the counters of opcode bigrams
+    hist: {},
+    // lastOp is last operation
+    lastOp: '',
+    // execution depth of last op
+    lastDepth: 0,
+    // step is invoked for every opcode that the VM executes.
+    step: function(log, db) {
+        var op = log.op.toString();
+        var depth = log.getDepth();
+        if (depth == this.lastDepth){
+            var key = this.lastOp+'-'+op;
+            if (this.hist[key]){
+                this.hist[key]++;
+            }
+            else {
+                this.hist[key] = 1;
+            }
+        }
+        this.lastOp = op;
+        this.lastDepth = depth;
+    },
+    // fault is invoked when the actual execution of an opcode fails.
+    fault: function(log, db) {},
+    // result is invoked when all the opcodes have been iterated over and returns
+    // the final result of the tracing.
+    result: function(ctx) {
+        return this.hist;
+    },
+}
diff --git a/eth/tracers/js/internal/tracers/call_tracer_legacy.js b/eth/tracers/js/internal/tracers/call_tracer_legacy.js
new file mode 100644
index 0000000000..451a644b91
--- /dev/null
+++ b/eth/tracers/js/internal/tracers/call_tracer_legacy.js
@@ -0,0 +1,250 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// callTracer is a full blown transaction tracer that extracts and reports all
+// the internal calls made by a transaction, along with any useful information.
+{
+	// callstack is the current recursive call stack of the EVM execution.
+	callstack: [{}],
+
+	// descended tracks whether we've just descended from an outer transaction into
+	// an inner call.
+	descended: false,
+
+	// step is invoked for every opcode that the VM executes.
+	step: function(log, db) {
+		// Capture any errors immediately
+		var error = log.getError();
+		if (error !== undefined) {
+			this.fault(log, db);
+			return;
+		}
+		// We only care about system opcodes, faster if we pre-check once
+		var syscall = (log.op.toNumber() & 0xf0) == 0xf0;
+		if (syscall) {
+			var op = log.op.toString();
+		}
+		// If a new contract is being created, add to the call stack
+		if (syscall && (op == 'CREATE' || op == "CREATE2")) {
+			var inOff = log.stack.peek(1).valueOf();
+			var inEnd = inOff + log.stack.peek(2).valueOf();
+
+			// Assemble the internal call report and store for completion
+			var call = {
+				type:    op,
+				from:    toHex(log.contract.getAddress()),
+				input:   toHex(log.memory.slice(inOff, inEnd)),
+				gasIn:   log.getGas(),
+				gasCost: log.getCost(),
+				value:   '0x' + log.stack.peek(0).toString(16)
+			};
+			this.callstack.push(call);
+			this.descended = true
+			return;
+		}
+		// If a contract is being self destructed, gather that as a subcall too
+		if (syscall && op == 'SELFDESTRUCT') {
+			var left = this.callstack.length;
+			if (this.callstack[left-1].calls === undefined) {
+				this.callstack[left-1].calls = [];
+			}
+			this.callstack[left-1].calls.push({
+				type:    op,
+				from:    toHex(log.contract.getAddress()),
+				to:      toHex(toAddress(log.stack.peek(0).toString(16))),
+				gasIn:   log.getGas(),
+				gasCost: log.getCost(),
+				value:   '0x' + db.getBalance(log.contract.getAddress()).toString(16)
+			});
+			return
+		}
+		// If a new method invocation is being done, add to the call stack
+		if (syscall && (op == 'CALL' || op == 'CALLCODE' || op == 'DELEGATECALL' || op == 'STATICCALL')) {
+			// Skip any pre-compile invocations, those are just fancy opcodes
+			var to = toAddress(log.stack.peek(1).toString(16));
+			if (isPrecompiled(to)) {
+				return
+			}
+			var off = (op == 'DELEGATECALL' || op == 'STATICCALL' ? 0 : 1);
+
+			var inOff = log.stack.peek(2 + off).valueOf();
+			var inEnd = inOff + log.stack.peek(3 + off).valueOf();
+
+			// Assemble the internal call report and store for completion
+			var call = {
+				type:    op,
+				from:    toHex(log.contract.getAddress()),
+				to:      toHex(to),
+				input:   toHex(log.memory.slice(inOff, inEnd)),
+				gasIn:   log.getGas(),
+				gasCost: log.getCost(),
+				outOff:  log.stack.peek(4 + off).valueOf(),
+				outLen:  log.stack.peek(5 + off).valueOf()
+			};
+			if (op != 'DELEGATECALL' && op != 'STATICCALL') {
+				call.value = '0x' + log.stack.peek(2).toString(16);
+			}
+			this.callstack.push(call);
+			this.descended = true
+			return;
+		}
+		// If we've just descended into an inner call, retrieve it's true allowance. We
+		// need to extract if from within the call as there may be funky gas dynamics
+		// with regard to requested and actually given gas (2300 stipend, 63/64 rule).
+		if (this.descended) {
+			if (log.getDepth() >= this.callstack.length) {
+				this.callstack[this.callstack.length - 1].gas = log.getGas();
+			} else {
+				// TODO(karalabe): The call was made to a plain account. We currently don't
+				// have access to the true gas amount inside the call and so any amount will
+				// mostly be wrong since it depends on a lot of input args. Skip gas for now.
+			}
+			this.descended = false;
+		}
+		// If an existing call is returning, pop off the call stack
+		if (syscall && op == 'REVERT') {
+			this.callstack[this.callstack.length - 1].error = "execution reverted";
+			return;
+		}
+		if (log.getDepth() == this.callstack.length - 1) {
+			// Pop off the last call and get the execution results
+			var call = this.callstack.pop();
+
+			if (call.type == 'CREATE' || call.type == "CREATE2") {
+				// If the call was a CREATE, retrieve the contract address and output code
+				call.gasUsed = '0x' + bigInt(call.gasIn - call.gasCost - log.getGas()).toString(16);
+				delete call.gasIn; delete call.gasCost;
+
+				var ret = log.stack.peek(0);
+				if (!ret.equals(0)) {
+					call.to     = toHex(toAddress(ret.toString(16)));
+					call.output = toHex(db.getCode(toAddress(ret.toString(16))));
+				} else if (call.error === undefined) {
+					call.error = "internal failure"; // TODO(karalabe): surface these faults somehow
+				}
+			} else {
+				// If the call was a contract call, retrieve the gas usage and output
+				if (call.gas !== undefined) {
+					call.gasUsed = '0x' + bigInt(call.gasIn - call.gasCost + call.gas - log.getGas()).toString(16);
+				}
+				var ret = log.stack.peek(0);
+				if (!ret.equals(0)) {
+					call.output = toHex(log.memory.slice(call.outOff, call.outOff + call.outLen));
+				} else if (call.error === undefined) {
+					call.error = "internal failure"; // TODO(karalabe): surface these faults somehow
+				}
+				delete call.gasIn; delete call.gasCost;
+				delete call.outOff; delete call.outLen;
+			}
+			if (call.gas !== undefined) {
+				call.gas = '0x' + bigInt(call.gas).toString(16);
+			}
+			// Inject the call into the previous one
+			var left = this.callstack.length;
+			if (this.callstack[left-1].calls === undefined) {
+				this.callstack[left-1].calls = [];
+			}
+			this.callstack[left-1].calls.push(call);
+		}
+	},
+
+	// fault is invoked when the actual execution of an opcode fails.
+	fault: function(log, db) {
+		// If the topmost call already reverted, don't handle the additional fault again
+		if (this.callstack[this.callstack.length - 1].error !== undefined) {
+			return;
+		}
+		// Pop off the just failed call
+		var call = this.callstack.pop();
+		call.error = log.getError();
+
+		// Consume all available gas and clean any leftovers
+		if (call.gas !== undefined) {
+			call.gas = '0x' + bigInt(call.gas).toString(16);
+			call.gasUsed = call.gas
+		}
+		delete call.gasIn; delete call.gasCost;
+		delete call.outOff; delete call.outLen;
+
+		// Flatten the failed call into its parent
+		var left = this.callstack.length;
+		if (left > 0) {
+			if (this.callstack[left-1].calls === undefined) {
+				this.callstack[left-1].calls = [];
+			}
+			this.callstack[left-1].calls.push(call);
+			return;
+		}
+		// Last call failed too, leave it in the stack
+		this.callstack.push(call);
+	},
+
+	// result is invoked when all the opcodes have been iterated over and returns
+	// the final result of the tracing.
+	result: function(ctx, db) {
+		var result = {
+			type:    ctx.type,
+			from:    toHex(ctx.from),
+			to:      toHex(ctx.to),
+			value:   '0x' + ctx.value.toString(16),
+			gas:     '0x' + bigInt(ctx.gas).toString(16),
+			gasUsed: '0x' + bigInt(ctx.gasUsed).toString(16),
+			input:   toHex(ctx.input),
+			output:  toHex(ctx.output),
+		};
+		if (this.callstack[0].calls !== undefined) {
+			result.calls = this.callstack[0].calls;
+		}
+		if (this.callstack[0].error !== undefined) {
+			result.error = this.callstack[0].error;
+		} else if (ctx.error !== undefined) {
+			result.error = ctx.error;
+		}
+		if (result.error !== undefined && (result.error !== "execution reverted" || result.output ==="0x")) {
+			delete result.output;
+		}
+		return this.finalize(result);
+	},
+
+	// finalize recreates a call object using the final desired field oder for json
+	// serialization. This is a nicety feature to pass meaningfully ordered results
+	// to users who don't interpret it, just display it.
+	finalize: function(call) {
+		var sorted = {
+			type:    call.type,
+			from:    call.from,
+			to:      call.to,
+			value:   call.value,
+			gas:     call.gas,
+			gasUsed: call.gasUsed,
+			input:   call.input,
+			output:  call.output,
+			error:   call.error,
+			calls:   call.calls,
+		}
+		for (var key in sorted) {
+			if (sorted[key] === undefined) {
+				delete sorted[key];
+			}
+		}
+		if (sorted.calls !== undefined) {
+			for (var i=0; i<sorted.calls.length; i++) {
+				sorted.calls[i] = this.finalize(sorted.calls[i]);
+			}
+		}
+		return sorted;
+	}
+}
diff --git a/eth/tracers/js/internal/tracers/evmdis_tracer.js b/eth/tracers/js/internal/tracers/evmdis_tracer.js
new file mode 100644
index 0000000000..c841c57f14
--- /dev/null
+++ b/eth/tracers/js/internal/tracers/evmdis_tracer.js
@@ -0,0 +1,93 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// evmdisTracer returns sufficient information from a trace to perform evmdis-style
+// disassembly.
+{
+	stack: [{ops: []}],
+
+	npushes: {0: 0, 1: 1, 2: 1, 3: 1, 4: 1, 5: 1, 6: 1, 7: 1, 8: 1, 9: 1, 10: 1, 11: 1, 16: 1, 17: 1, 18: 1, 19: 1, 20: 1, 21: 1, 22: 1, 23: 1, 24: 1, 25: 1, 26: 1, 32: 1, 48: 1, 49: 1, 50: 1, 51: 1, 52: 1, 53: 1, 54: 1, 55: 0, 56: 1, 57: 0, 58: 1, 59: 1, 60: 0, 64: 1, 65: 1, 66: 1, 67: 1, 68: 1, 69: 1, 80: 0, 81: 1, 82: 0, 83: 0, 84: 1, 85: 0, 86: 0, 87: 0, 88: 1, 89: 1, 90: 1, 91: 0, 96: 1, 97: 1, 98: 1, 99: 1, 100: 1, 101: 1, 102: 1, 103: 1, 104: 1, 105: 1, 106: 1, 107: 1, 108: 1, 109: 1, 110: 1, 111: 1, 112: 1, 113: 1, 114: 1, 115: 1, 116: 1, 117: 1, 118: 1, 119: 1, 120: 1, 121: 1, 122: 1, 123: 1, 124: 1, 125: 1, 126: 1, 127: 1, 128: 2, 129: 3, 130: 4, 131: 5, 132: 6, 133: 7, 134: 8, 135: 9, 136: 10, 137: 11, 138: 12, 139: 13, 140: 14, 141: 15, 142: 16, 143: 17, 144: 2, 145: 3, 146: 4, 147: 5, 148: 6, 149: 7, 150: 8, 151: 9, 152: 10, 153: 11, 154: 12, 155: 13, 156: 14, 157: 15, 158: 16, 159: 17, 160: 0, 161: 0, 162: 0, 163: 0, 164: 0, 240: 1, 241: 1, 242: 1, 243: 0, 244: 0, 255: 0},
+
+	// result is invoked when all the opcodes have been iterated over and returns
+	// the final result of the tracing.
+	result: function() { return this.stack[0].ops; },
+
+	// fault is invoked when the actual execution of an opcode fails.
+	fault: function(log, db) { },
+
+	// step is invoked for every opcode that the VM executes.
+	step: function(log, db) {
+		var frame = this.stack[this.stack.length - 1];
+
+		var error = log.getError();
+		if (error) {
+			frame["error"] = error;
+		} else if (log.getDepth() == this.stack.length) {
+			opinfo = {
+				op:     log.op.toNumber(),
+				depth : log.getDepth(),
+				result: [],
+			};
+			if (frame.ops.length > 0) {
+				var prevop = frame.ops[frame.ops.length - 1];
+				for(var i = 0; i < this.npushes[prevop.op]; i++)
+					prevop.result.push(log.stack.peek(i).toString(16));
+			}
+			switch(log.op.toString()) {
+			case "CALL": case "CALLCODE":
+				var instart = log.stack.peek(3).valueOf();
+				var insize = log.stack.peek(4).valueOf();
+				opinfo["gas"] = log.stack.peek(0).valueOf();
+				opinfo["to"] = log.stack.peek(1).toString(16);
+				opinfo["value"] = log.stack.peek(2).toString();
+				opinfo["input"] = log.memory.slice(instart, instart + insize);
+				opinfo["error"] = null;
+				opinfo["return"] = null;
+				opinfo["ops"] = [];
+				this.stack.push(opinfo);
+				break;
+			case "DELEGATECALL": case "STATICCALL":
+				var instart = log.stack.peek(2).valueOf();
+				var insize = log.stack.peek(3).valueOf();
+				opinfo["op"] =  log.op.toString();
+				opinfo["gas"] =  log.stack.peek(0).valueOf();
+				opinfo["to"] =  log.stack.peek(1).toString(16);
+				opinfo["input"] =  log.memory.slice(instart, instart + insize);
+				opinfo["error"] =  null;
+				opinfo["return"] =  null;
+				opinfo["ops"] = [];
+				this.stack.push(opinfo);
+				break;
+			case "RETURN": case "REVERT":
+				var out = log.stack.peek(0).valueOf();
+				var outsize = log.stack.peek(1).valueOf();
+				frame.return = log.memory.slice(out, out + outsize);
+				break;
+			case "STOP": case "SELFDESTRUCT":
+				frame.return = log.memory.slice(0, 0);
+				break;
+			case "JUMPDEST":
+				opinfo["pc"] = log.getPC();
+			}
+			if(log.op.isPush()) {
+				opinfo["len"] = log.op.toNumber() - 0x5e;
+			}
+			frame.ops.push(opinfo);
+		} else {
+			this.stack = this.stack.slice(0, log.getDepth());
+		}
+	}
+}
diff --git a/eth/tracers/js/internal/tracers/noop_tracer_legacy.js b/eth/tracers/js/internal/tracers/noop_tracer_legacy.js
new file mode 100644
index 0000000000..fe7ddc85ab
--- /dev/null
+++ b/eth/tracers/js/internal/tracers/noop_tracer_legacy.js
@@ -0,0 +1,29 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// noopTracer is just the barebone boilerplate code required from a JavaScript
+// object to be usable as a transaction tracer.
+{
+	// step is invoked for every opcode that the VM executes.
+	step: function(log, db) { },
+
+	// fault is invoked when the actual execution of an opcode fails.
+	fault: function(log, db) { },
+
+	// result is invoked when all the opcodes have been iterated over and returns
+	// the final result of the tracing.
+	result: function(ctx, db) { return {}; }
+}
diff --git a/eth/tracers/js/internal/tracers/opcount_tracer.js b/eth/tracers/js/internal/tracers/opcount_tracer.js
new file mode 100644
index 0000000000..f7984c741a
--- /dev/null
+++ b/eth/tracers/js/internal/tracers/opcount_tracer.js
@@ -0,0 +1,32 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// opcountTracer is a sample tracer that just counts the number of instructions
+// executed by the EVM before the transaction terminated.
+{
+	// count tracks the number of EVM instructions executed.
+	count: 0,
+
+	// step is invoked for every opcode that the VM executes.
+	step: function(log, db) { this.count++ },
+
+	// fault is invoked when the actual execution of an opcode fails.
+	fault: function(log, db) { },
+
+	// result is invoked when all the opcodes have been iterated over and returns
+	// the final result of the tracing.
+	result: function(ctx, db) { return this.count }
+}
diff --git a/eth/tracers/js/internal/tracers/prestate_tracer_legacy.js b/eth/tracers/js/internal/tracers/prestate_tracer_legacy.js
new file mode 100644
index 0000000000..2757b8b141
--- /dev/null
+++ b/eth/tracers/js/internal/tracers/prestate_tracer_legacy.js
@@ -0,0 +1,115 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// prestateTracer outputs sufficient information to create a local execution of
+// the transaction from a custom assembled genesis block.
+{
+	// prestate is the genesis that we're building.
+	prestate: null,
+
+	// lookupAccount injects the specified account into the prestate object.
+	lookupAccount: function(addr, db){
+		var acc = toHex(addr);
+		if (this.prestate[acc] === undefined) {
+			this.prestate[acc] = {
+				balance: '0x' + db.getBalance(addr).toString(16),
+				nonce:   db.getNonce(addr),
+				code:    toHex(db.getCode(addr)),
+				storage: {}
+			};
+		}
+	},
+
+	// lookupStorage injects the specified storage entry of the given account into
+	// the prestate object.
+	lookupStorage: function(addr, key, db){
+		var acc = toHex(addr);
+		var idx = toHex(key);
+
+		if (this.prestate[acc].storage[idx] === undefined) {
+			this.prestate[acc].storage[idx] = toHex(db.getState(addr, key));
+		}
+	},
+
+	// result is invoked when all the opcodes have been iterated over and returns
+	// the final result of the tracing.
+	result: function(ctx, db) {
+		if (this.prestate === null) {
+			this.prestate = {};
+			// If tx is transfer-only, the recipient account
+			// hasn't been populated.
+			this.lookupAccount(ctx.to, db);
+		}
+
+		// At this point, we need to deduct the 'value' from the
+		// outer transaction, and move it back to the origin
+		this.lookupAccount(ctx.from, db);
+
+		var fromBal = bigInt(this.prestate[toHex(ctx.from)].balance.slice(2), 16);
+		var toBal   = bigInt(this.prestate[toHex(ctx.to)].balance.slice(2), 16);
+
+		this.prestate[toHex(ctx.to)].balance   = '0x'+toBal.subtract(ctx.value).toString(16);
+		this.prestate[toHex(ctx.from)].balance = '0x'+fromBal.add(ctx.value).add(ctx.gasUsed * ctx.gasPrice).toString(16);
+
+		// Decrement the caller's nonce, and remove empty create targets
+		this.prestate[toHex(ctx.from)].nonce--;
+		if (ctx.type == 'CREATE') {
+			// We can blibdly delete the contract prestate, as any existing state would
+			// have caused the transaction to be rejected as invalid in the first place.
+			delete this.prestate[toHex(ctx.to)];
+		}
+		// Return the assembled allocations (prestate)
+		return this.prestate;
+	},
+
+	// step is invoked for every opcode that the VM executes.
+	step: function(log, db) {
+		// Add the current account if we just started tracing
+		if (this.prestate === null){
+			this.prestate = {};
+			// Balance will potentially be wrong here, since this will include the value
+			// sent along with the message. We fix that in 'result()'.
+			this.lookupAccount(log.contract.getAddress(), db);
+		}
+		// Whenever new state is accessed, add it to the prestate
+		switch (log.op.toString()) {
+			case "EXTCODECOPY": case "EXTCODESIZE": case "EXTCODEHASH": case "BALANCE":
+				this.lookupAccount(toAddress(log.stack.peek(0).toString(16)), db);
+				break;
+			case "CREATE":
+				var from = log.contract.getAddress();
+				this.lookupAccount(toContract(from, db.getNonce(from)), db);
+				break;
+			case "CREATE2":
+				var from = log.contract.getAddress();
+				// stack: salt, size, offset, endowment
+				var offset = log.stack.peek(1).valueOf()
+				var size = log.stack.peek(2).valueOf()
+				var end = offset + size
+				this.lookupAccount(toContract2(from, log.stack.peek(3).toString(16), log.memory.slice(offset, end)), db);
+				break;
+			case "CALL": case "CALLCODE": case "DELEGATECALL": case "STATICCALL":
+				this.lookupAccount(toAddress(log.stack.peek(1).toString(16)), db);
+				break;
+			case 'SSTORE':case 'SLOAD':
+				this.lookupStorage(log.contract.getAddress(), toWord(log.stack.peek(0).toString(16)), db);
+				break;
+		}
+	},
+
+	// fault is invoked when the actual execution of an opcode fails.
+	fault: function(log, db) {}
+}
diff --git a/eth/tracers/js/internal/tracers/tracers.go b/eth/tracers/js/internal/tracers/tracers.go
new file mode 100644
index 0000000000..6547f1b088
--- /dev/null
+++ b/eth/tracers/js/internal/tracers/tracers.go
@@ -0,0 +1,59 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// Package tracers contains the actual JavaScript tracer assets.
+package tracers
+
+import (
+	"embed"
+	"io/fs"
+	"strings"
+	"unicode"
+)
+
+//go:embed *.js
+var files embed.FS
+
+// Load reads the built-in JS tracer files embedded in the binary and
+// returns a mapping of tracer name to source.
+func Load() (map[string]string, error) {
+	var assetTracers = make(map[string]string)
+	err := fs.WalkDir(files, ".", func(path string, d fs.DirEntry, err error) error {
+		if err != nil {
+			return err
+		}
+		if d.IsDir() {
+			return nil
+		}
+		b, err := fs.ReadFile(files, path)
+		if err != nil {
+			return err
+		}
+		name := camel(strings.TrimSuffix(path, ".js"))
+		assetTracers[name] = string(b)
+		return nil
+	})
+	return assetTracers, err
+}
+
+// camel converts a snake cased input string into a camel cased output.
+func camel(str string) string {
+	pieces := strings.Split(str, "_")
+	for i := 1; i < len(pieces); i++ {
+		pieces[i] = string(unicode.ToUpper(rune(pieces[i][0]))) + pieces[i][1:]
+	}
+	return strings.Join(pieces, "")
+}
diff --git a/eth/tracers/js/internal/tracers/trigram_tracer.js b/eth/tracers/js/internal/tracers/trigram_tracer.js
new file mode 100644
index 0000000000..8756490dfc
--- /dev/null
+++ b/eth/tracers/js/internal/tracers/trigram_tracer.js
@@ -0,0 +1,49 @@
+// Copyright 2018 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+{
+    // hist is the map of trigram counters
+    hist: {},
+    // lastOp is last operation
+    lastOps: ['',''],
+    lastDepth: 0,
+        // step is invoked for every opcode that the VM executes.
+    step: function(log, db) {
+        var depth = log.getDepth();
+        if (depth != this.lastDepth){
+            this.lastOps = ['',''];
+            this.lastDepth = depth;
+            return;
+        }
+        var op = log.op.toString();
+        var key = this.lastOps[0]+'-'+this.lastOps[1]+'-'+op;
+        if (this.hist[key]){
+            this.hist[key]++;
+        }
+        else {
+            this.hist[key] = 1;
+        }
+        this.lastOps[0] = this.lastOps[1];
+        this.lastOps[1] = op;
+    },
+    // fault is invoked when the actual execution of an opcode fails.
+    fault: function(log, db) {},
+    // result is invoked when all the opcodes have been iterated over and returns
+    // the final result of the tracing.
+    result: function(ctx) {
+        return this.hist;
+    },
+}
diff --git a/eth/tracers/js/internal/tracers/unigram_tracer.js b/eth/tracers/js/internal/tracers/unigram_tracer.js
new file mode 100644
index 0000000000..51107d8f3d
--- /dev/null
+++ b/eth/tracers/js/internal/tracers/unigram_tracer.js
@@ -0,0 +1,41 @@
+// Copyright 2018 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+{
+    // hist is the map of opcodes to counters
+    hist: {},
+    // nops counts number of ops
+    nops: 0,
+    // step is invoked for every opcode that the VM executes.
+    step: function(log, db) {
+        var op = log.op.toString();
+        if (this.hist[op]){
+            this.hist[op]++;
+        }
+        else {
+            this.hist[op] = 1;
+        }
+        this.nops++;
+    },
+    // fault is invoked when the actual execution of an opcode fails.
+    fault: function(log, db) {},
+
+    // result is invoked when all the opcodes have been iterated over and returns
+    // the final result of the tracing.
+    result: function(ctx) {
+        return this.hist;
+    },
+}
diff --git a/eth/tracers/js/tracer_test.go b/eth/tracers/js/tracer_test.go
new file mode 100644
index 0000000000..0522e68a3d
--- /dev/null
+++ b/eth/tracers/js/tracer_test.go
@@ -0,0 +1,328 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2021 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package js
+
+import (
+	"encoding/json"
+	"errors"
+	"math/big"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/ava-labs/subnet-evm/core/state"
+	"github.com/ava-labs/subnet-evm/core/vm"
+	"github.com/ava-labs/subnet-evm/eth/tracers"
+	"github.com/ava-labs/subnet-evm/params"
+	"github.com/ethereum/go-ethereum/common"
+)
+
+type account struct{}
+
+func (account) SubBalance(amount *big.Int)                          {}
+func (account) AddBalance(amount *big.Int)                          {}
+func (account) SetAddress(common.Address)                           {}
+func (account) Value() *big.Int                                     { return nil }
+func (account) SetBalance(*big.Int)                                 {}
+func (account) SetNonce(uint64)                                     {}
+func (account) Balance() *big.Int                                   { return nil }
+func (account) Address() common.Address                             { return common.Address{} }
+func (account) SetCode(common.Hash, []byte)                         {}
+func (account) ForEachStorage(cb func(key, value common.Hash) bool) {}
+
+type dummyStatedb struct {
+	state.StateDB
+}
+
+func (*dummyStatedb) GetRefund() uint64                       { return 1337 }
+func (*dummyStatedb) GetBalance(addr common.Address) *big.Int { return new(big.Int) }
+
+type vmContext struct {
+	blockCtx vm.BlockContext
+	txCtx    vm.TxContext
+}
+
+func testCtx() *vmContext {
+	return &vmContext{blockCtx: vm.BlockContext{BlockNumber: big.NewInt(1)}, txCtx: vm.TxContext{GasPrice: big.NewInt(100000)}}
+}
+
+func runTrace(tracer tracers.Tracer, vmctx *vmContext, chaincfg *params.ChainConfig, contractCode []byte) (json.RawMessage, error) {
+	var (
+		env             = vm.NewEVM(vmctx.blockCtx, vmctx.txCtx, &dummyStatedb{}, chaincfg, vm.Config{Debug: true, Tracer: tracer})
+		gasLimit uint64 = 31000
+		startGas uint64 = 10000
+		value           = big.NewInt(0)
+		contract        = vm.NewContract(account{}, account{}, value, startGas)
+	)
+	contract.Code = []byte{byte(vm.PUSH1), 0x1, byte(vm.PUSH1), 0x1, 0x0}
+	if contractCode != nil {
+		contract.Code = contractCode
+	}
+
+	tracer.CaptureTxStart(gasLimit)
+	tracer.CaptureStart(env, contract.Caller(), contract.Address(), false, []byte{}, startGas, value)
+	ret, err := env.Interpreter().Run(contract, []byte{}, false)
+	tracer.CaptureEnd(ret, startGas-contract.Gas, err)
+	// Rest gas assumes no refund
+	tracer.CaptureTxEnd(contract.Gas)
+	if err != nil {
+		return nil, err
+	}
+	return tracer.GetResult()
+}
+
+func TestTracer(t *testing.T) {
+	execTracer := func(code string, contract []byte) ([]byte, string) {
+		t.Helper()
+		tracer, err := newJsTracer(code, nil, nil)
+		if err != nil {
+			t.Fatal(err)
+		}
+		ret, err := runTrace(tracer, testCtx(), params.TestChainConfig, contract)
+		if err != nil {
+			return nil, err.Error() // Stringify to allow comparison without nil checks
+		}
+		return ret, ""
+	}
+	for i, tt := range []struct {
+		code     string
+		want     string
+		fail     string
+		contract []byte
+	}{
+		{ // tests that we don't panic on bad arguments to memory access
+			code: "{depths: [], step: function(log) { this.depths.push(log.memory.slice(-1,-2)); }, fault: function() {}, result: function() { return this.depths; }}",
+			want: ``,
+			fail: "tracer accessed out of bound memory: offset -1, end -2 at step (<eval>:1:53(13))    in server-side tracer function 'step'",
+		}, { // tests that we don't panic on bad arguments to stack peeks
+			code: "{depths: [], step: function(log) { this.depths.push(log.stack.peek(-1)); }, fault: function() {}, result: function() { return this.depths; }}",
+			want: ``,
+			fail: "tracer accessed out of bound stack: size 0, index -1 at step (<eval>:1:53(11))    in server-side tracer function 'step'",
+		}, { //  tests that we don't panic on bad arguments to memory getUint
+			code: "{ depths: [], step: function(log, db) { this.depths.push(log.memory.getUint(-64));}, fault: function() {}, result: function() { return this.depths; }}",
+			want: ``,
+			fail: "tracer accessed out of bound memory: available 0, offset -64, size 32 at step (<eval>:1:58(11))    in server-side tracer function 'step'",
+		}, { // tests some general counting
+			code: "{count: 0, step: function() { this.count += 1; }, fault: function() {}, result: function() { return this.count; }}",
+			want: `3`,
+		}, { // tests that depth is reported correctly
+			code: "{depths: [], step: function(log) { this.depths.push(log.stack.length()); }, fault: function() {}, result: function() { return this.depths; }}",
+			want: `[0,1,2]`,
+		}, { // tests memory length
+			code: "{lengths: [], step: function(log) { this.lengths.push(log.memory.length()); }, fault: function() {}, result: function() { return this.lengths; }}",
+			want: `[0,0,0]`,
+		}, { // tests to-string of opcodes
+			code: "{opcodes: [], step: function(log) { this.opcodes.push(log.op.toString()); }, fault: function() {}, result: function() { return this.opcodes; }}",
+			want: `["PUSH1","PUSH1","STOP"]`,
+		}, { // tests gasUsed
+			code: "{depths: [], step: function() {}, fault: function() {}, result: function(ctx) { return ctx.gasPrice+'.'+ctx.gasUsed; }}",
+			want: `"100000.21006"`,
+		}, {
+			code: "{res: null, step: function(log) {}, fault: function() {}, result: function() { return toWord('0xffaa') }}",
+			want: `{"0":0,"1":0,"2":0,"3":0,"4":0,"5":0,"6":0,"7":0,"8":0,"9":0,"10":0,"11":0,"12":0,"13":0,"14":0,"15":0,"16":0,"17":0,"18":0,"19":0,"20":0,"21":0,"22":0,"23":0,"24":0,"25":0,"26":0,"27":0,"28":0,"29":0,"30":255,"31":170}`,
+		}, { // test feeding a buffer back into go
+			code: "{res: null, step: function(log) { var address = log.contract.getAddress(); this.res = toAddress(address); }, fault: function() {}, result: function() { return this.res }}",
+			want: `{"0":0,"1":0,"2":0,"3":0,"4":0,"5":0,"6":0,"7":0,"8":0,"9":0,"10":0,"11":0,"12":0,"13":0,"14":0,"15":0,"16":0,"17":0,"18":0,"19":0}`,
+		}, {
+			code: "{res: null, step: function(log) { var address = '0x0000000000000000000000000000000000000000'; this.res = toAddress(address); }, fault: function() {}, result: function() { return this.res }}",
+			want: `{"0":0,"1":0,"2":0,"3":0,"4":0,"5":0,"6":0,"7":0,"8":0,"9":0,"10":0,"11":0,"12":0,"13":0,"14":0,"15":0,"16":0,"17":0,"18":0,"19":0}`,
+		}, {
+			code: "{res: null, step: function(log) { var address = Array.prototype.slice.call(log.contract.getAddress()); this.res = toAddress(address); }, fault: function() {}, result: function() { return this.res }}",
+			want: `{"0":0,"1":0,"2":0,"3":0,"4":0,"5":0,"6":0,"7":0,"8":0,"9":0,"10":0,"11":0,"12":0,"13":0,"14":0,"15":0,"16":0,"17":0,"18":0,"19":0}`,
+		}, {
+			code:     "{res: [], step: function(log) { var op = log.op.toString(); if (op === 'MSTORE8' || op === 'STOP') { this.res.push(log.memory.slice(0, 2)) } }, fault: function() {}, result: function() { return this.res }}",
+			want:     `[{"0":0,"1":0},{"0":255,"1":0}]`,
+			contract: []byte{byte(vm.PUSH1), byte(0xff), byte(vm.PUSH1), byte(0x00), byte(vm.MSTORE8), byte(vm.STOP)},
+		}, {
+			code:     "{res: [], step: function(log) { if (log.op.toString() === 'STOP') { this.res.push(log.memory.slice(5, 1025 * 1024)) } }, fault: function() {}, result: function() { return this.res }}",
+			want:     "",
+			fail:     "tracer reached limit for padding memory slice: end 1049600, memorySize 32 at step (<eval>:1:83(20))    in server-side tracer function 'step'",
+			contract: []byte{byte(vm.PUSH1), byte(0xff), byte(vm.PUSH1), byte(0x00), byte(vm.MSTORE8), byte(vm.STOP)},
+		},
+	} {
+		if have, err := execTracer(tt.code, tt.contract); tt.want != string(have) || tt.fail != err {
+			t.Errorf("testcase %d: expected return value to be '%s' got '%s', error to be '%s' got '%s'\n\tcode: %v", i, tt.want, string(have), tt.fail, err, tt.code)
+		}
+	}
+}
+
+func TestHalt(t *testing.T) {
+	timeout := errors.New("stahp")
+	tracer, err := newJsTracer("{step: function() { while(1); }, result: function() { return null; }, fault: function(){}}", nil, nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	go func() {
+		time.Sleep(1 * time.Second)
+		tracer.Stop(timeout)
+	}()
+	if _, err = runTrace(tracer, testCtx(), params.TestChainConfig, nil); !strings.Contains(err.Error(), "stahp") {
+		t.Errorf("Expected timeout error, got %v", err)
+	}
+}
+
+func TestHaltBetweenSteps(t *testing.T) {
+	tracer, err := newJsTracer("{step: function() {}, fault: function() {}, result: function() { return null; }}", nil, nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	env := vm.NewEVM(vm.BlockContext{BlockNumber: big.NewInt(1)}, vm.TxContext{GasPrice: big.NewInt(1)}, &dummyStatedb{}, params.TestChainConfig, vm.Config{Debug: true, Tracer: tracer})
+	scope := &vm.ScopeContext{
+		Contract: vm.NewContract(&account{}, &account{}, big.NewInt(0), 0),
+	}
+	tracer.CaptureStart(env, common.Address{}, common.Address{}, false, []byte{}, 0, big.NewInt(0))
+	tracer.CaptureState(0, 0, 0, 0, scope, nil, 0, nil)
+	timeout := errors.New("stahp")
+	tracer.Stop(timeout)
+	tracer.CaptureState(0, 0, 0, 0, scope, nil, 0, nil)
+
+	if _, err := tracer.GetResult(); !strings.Contains(err.Error(), timeout.Error()) {
+		t.Errorf("Expected timeout error, got %v", err)
+	}
+}
+
+// testNoStepExec tests a regular value transfer (no exec), and accessing the statedb
+// in 'result'
+func TestNoStepExec(t *testing.T) {
+	execTracer := func(code string) []byte {
+		t.Helper()
+		tracer, err := newJsTracer(code, nil, nil)
+		if err != nil {
+			t.Fatal(err)
+		}
+		env := vm.NewEVM(vm.BlockContext{BlockNumber: big.NewInt(1)}, vm.TxContext{GasPrice: big.NewInt(100)}, &dummyStatedb{}, params.TestChainConfig, vm.Config{Debug: true, Tracer: tracer})
+		tracer.CaptureStart(env, common.Address{}, common.Address{}, false, []byte{}, 1000, big.NewInt(0))
+		tracer.CaptureEnd(nil, 0, nil)
+		ret, err := tracer.GetResult()
+		if err != nil {
+			t.Fatal(err)
+		}
+		return ret
+	}
+	for i, tt := range []struct {
+		code string
+		want string
+	}{
+		{ // tests that we don't panic on accessing the db methods
+			code: "{depths: [], step: function() {}, fault: function() {},  result: function(ctx, db){ return db.getBalance(ctx.to)} }",
+			want: `"0"`,
+		},
+	} {
+		if have := execTracer(tt.code); tt.want != string(have) {
+			t.Errorf("testcase %d: expected return value to be %s got %s\n\tcode: %v", i, tt.want, string(have), tt.code)
+		}
+	}
+}
+
+func TestIsPrecompile(t *testing.T) {
+	chaincfg := &params.ChainConfig{ChainID: big.NewInt(1), HomesteadBlock: big.NewInt(0), EIP150Block: big.NewInt(0), EIP150Hash: common.Hash{}, EIP155Block: big.NewInt(0), EIP158Block: big.NewInt(0), ByzantiumBlock: big.NewInt(100), ConstantinopleBlock: big.NewInt(0), PetersburgBlock: big.NewInt(0), IstanbulBlock: big.NewInt(200), MuirGlacierBlock: big.NewInt(0)}
+	chaincfg.ByzantiumBlock = big.NewInt(100)
+	chaincfg.IstanbulBlock = big.NewInt(200)
+	txCtx := vm.TxContext{GasPrice: big.NewInt(100000)}
+	tracer, err := newJsTracer("{addr: toAddress('0000000000000000000000000000000000000009'), res: null, step: function() { this.res = isPrecompiled(this.addr); }, fault: function() {}, result: function() { return this.res; }}", nil, nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	blockCtx := vm.BlockContext{BlockNumber: big.NewInt(150)}
+	res, err := runTrace(tracer, &vmContext{blockCtx, txCtx}, chaincfg, nil)
+	if err != nil {
+		t.Error(err)
+	}
+	if string(res) != "false" {
+		t.Errorf("tracer should not consider blake2f as precompile in byzantium")
+	}
+
+	tracer, _ = newJsTracer("{addr: toAddress('0000000000000000000000000000000000000009'), res: null, step: function() { this.res = isPrecompiled(this.addr); }, fault: function() {}, result: function() { return this.res; }}", nil, nil)
+	blockCtx = vm.BlockContext{BlockNumber: big.NewInt(250)}
+	res, err = runTrace(tracer, &vmContext{blockCtx, txCtx}, chaincfg, nil)
+	if err != nil {
+		t.Error(err)
+	}
+	if string(res) != "true" {
+		t.Errorf("tracer should consider blake2f as precompile in istanbul")
+	}
+}
+
+func TestEnterExit(t *testing.T) {
+	// test that either both or none of enter() and exit() are defined
+	if _, err := newJsTracer("{step: function() {}, fault: function() {}, result: function() { return null; }, enter: function() {}}", new(tracers.Context), nil); err == nil {
+		t.Fatal("tracer creation should've failed without exit() definition")
+	}
+	if _, err := newJsTracer("{step: function() {}, fault: function() {}, result: function() { return null; }, enter: function() {}, exit: function() {}}", new(tracers.Context), nil); err != nil {
+		t.Fatal(err)
+	}
+	// test that the enter and exit method are correctly invoked and the values passed
+	tracer, err := newJsTracer("{enters: 0, exits: 0, enterGas: 0, gasUsed: 0, step: function() {}, fault: function() {}, result: function() { return {enters: this.enters, exits: this.exits, enterGas: this.enterGas, gasUsed: this.gasUsed} }, enter: function(frame) { this.enters++; this.enterGas = frame.getGas(); }, exit: function(res) { this.exits++; this.gasUsed = res.getGasUsed(); }}", new(tracers.Context), nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	scope := &vm.ScopeContext{
+		Contract: vm.NewContract(&account{}, &account{}, big.NewInt(0), 0),
+	}
+	tracer.CaptureEnter(vm.CALL, scope.Contract.Caller(), scope.Contract.Address(), []byte{}, 1000, new(big.Int))
+	tracer.CaptureExit([]byte{}, 400, nil)
+
+	have, err := tracer.GetResult()
+	if err != nil {
+		t.Fatal(err)
+	}
+	want := `{"enters":1,"exits":1,"enterGas":1000,"gasUsed":400}`
+	if string(have) != want {
+		t.Errorf("Number of invocations of enter() and exit() is wrong. Have %s, want %s\n", have, want)
+	}
+}
+
+func TestSetup(t *testing.T) {
+	// Test empty config
+	_, err := newJsTracer(`{setup: function(cfg) { if (cfg !== "{}") { throw("invalid empty config") } }, fault: function() {}, result: function() {}}`, new(tracers.Context), nil)
+	if err != nil {
+		t.Error(err)
+	}
+
+	cfg, err := json.Marshal(map[string]string{"foo": "bar"})
+	if err != nil {
+		t.Fatal(err)
+	}
+	// Test no setup func
+	_, err = newJsTracer(`{fault: function() {}, result: function() {}}`, new(tracers.Context), cfg)
+	if err != nil {
+		t.Fatal(err)
+	}
+	// Test config value
+	tracer, err := newJsTracer("{config: null, setup: function(cfg) { this.config = JSON.parse(cfg) }, step: function() {}, fault: function() {}, result: function() { return this.config.foo }}", new(tracers.Context), cfg)
+	if err != nil {
+		t.Fatal(err)
+	}
+	have, err := tracer.GetResult()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if string(have) != `"bar"` {
+		t.Errorf("tracer returned wrong result. have: %s, want: \"bar\"\n", string(have))
+	}
+}
diff --git a/eth/tracers/logger/access_list_tracer.go b/eth/tracers/logger/access_list_tracer.go
index 9479232735..cccd497d86 100644
--- a/eth/tracers/logger/access_list_tracer.go
+++ b/eth/tracers/logger/access_list_tracer.go
@@ -18,7 +18,6 @@ package logger
 
 import (
 	"math/big"
-	"time"
 
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/core/vm"
@@ -162,7 +161,7 @@ func (a *AccessListTracer) CaptureState(pc uint64, op vm.OpCode, gas, cost uint6
 func (*AccessListTracer) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, depth int, err error) {
 }
 
-func (*AccessListTracer) CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) {}
+func (*AccessListTracer) CaptureEnd(output []byte, gasUsed uint64, err error) {}
 
 func (*AccessListTracer) CaptureEnter(typ vm.OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
 }
diff --git a/eth/tracers/logger/logger.go b/eth/tracers/logger/logger.go
index 61b681e4eb..72c9057925 100644
--- a/eth/tracers/logger/logger.go
+++ b/eth/tracers/logger/logger.go
@@ -24,7 +24,6 @@ import (
 	"math/big"
 	"strings"
 	"sync/atomic"
-	"time"
 
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/core/vm"
@@ -152,7 +151,6 @@ func (l *StructLogger) CaptureStart(env *vm.EVM, from common.Address, to common.
 func (l *StructLogger) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, rData []byte, depth int, err error) {
 	// If tracing was interrupted, set the error and stop
 	if atomic.LoadUint32(&l.interrupt) > 0 {
-		l.env.Cancel()
 		return
 	}
 	// check if already accumulated the specified number of logs
@@ -220,7 +218,7 @@ func (l *StructLogger) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, s
 }
 
 // CaptureEnd is called after the call finishes to finalize the tracing.
-func (l *StructLogger) CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) {
+func (l *StructLogger) CaptureEnd(output []byte, gasUsed uint64, err error) {
 	l.output = output
 	l.err = err
 	if l.cfg.Debug {
@@ -386,7 +384,7 @@ func (t *mdLogger) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, scope
 	fmt.Fprintf(t.out, "\nError: at pc=%d, op=%v: %v\n", pc, op, err)
 }
 
-func (t *mdLogger) CaptureEnd(output []byte, gasUsed uint64, tm time.Duration, err error) {
+func (t *mdLogger) CaptureEnd(output []byte, gasUsed uint64, err error) {
 	fmt.Fprintf(t.out, "\nOutput: `%#x`\nConsumed gas: `%d`\nError: `%v`\n",
 		output, gasUsed, err)
 }
diff --git a/eth/tracers/logger/logger_json.go b/eth/tracers/logger/logger_json.go
index a985fecc77..0a0d0f45b4 100644
--- a/eth/tracers/logger/logger_json.go
+++ b/eth/tracers/logger/logger_json.go
@@ -20,7 +20,6 @@ import (
 	"encoding/json"
 	"io"
 	"math/big"
-	"time"
 
 	"github.com/ava-labs/subnet-evm/core/vm"
 	"github.com/ethereum/go-ethereum/common"
@@ -80,18 +79,17 @@ func (l *JSONLogger) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, sco
 }
 
 // CaptureEnd is triggered at end of execution.
-func (l *JSONLogger) CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) {
+func (l *JSONLogger) CaptureEnd(output []byte, gasUsed uint64, err error) {
 	type endLog struct {
 		Output  string              `json:"output"`
 		GasUsed math.HexOrDecimal64 `json:"gasUsed"`
-		Time    time.Duration       `json:"time"`
 		Err     string              `json:"error,omitempty"`
 	}
 	var errMsg string
 	if err != nil {
 		errMsg = err.Error()
 	}
-	l.encoder.Encode(endLog{common.Bytes2Hex(output), math.HexOrDecimal64(gasUsed), t, errMsg})
+	l.encoder.Encode(endLog{common.Bytes2Hex(output), math.HexOrDecimal64(gasUsed), errMsg})
 }
 
 func (l *JSONLogger) CaptureEnter(typ vm.OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
diff --git a/eth/tracers/logger/logger_test.go b/eth/tracers/logger/logger_test.go
index cbdff2b0a7..b53b312954 100644
--- a/eth/tracers/logger/logger_test.go
+++ b/eth/tracers/logger/logger_test.go
@@ -22,6 +22,7 @@ import (
 	"math/big"
 	"testing"
 
+	"github.com/ava-labs/subnet-evm/core/rawdb"
 	"github.com/ava-labs/subnet-evm/core/state"
 	"github.com/ava-labs/subnet-evm/core/vm"
 	"github.com/ava-labs/subnet-evm/params"
@@ -44,23 +45,17 @@ func (d *dummyContractRef) SetBalance(*big.Int)        {}
 func (d *dummyContractRef) SetNonce(uint64)            {}
 func (d *dummyContractRef) Balance() *big.Int          { return new(big.Int) }
 
-type dummyStatedb struct {
-	state.StateDB
-}
-
-func (*dummyStatedb) GetRefund() uint64                                       { return 1337 }
-func (*dummyStatedb) GetState(_ common.Address, _ common.Hash) common.Hash    { return common.Hash{} }
-func (*dummyStatedb) SetState(_ common.Address, _ common.Hash, _ common.Hash) {}
-
 func TestStoreCapture(t *testing.T) {
 	var (
-		logger   = NewStructLogger(nil)
-		env      = vm.NewEVM(vm.BlockContext{}, vm.TxContext{}, &dummyStatedb{}, params.TestChainConfig, vm.Config{Debug: true, Tracer: logger})
-		contract = vm.NewContract(&dummyContractRef{}, &dummyContractRef{}, new(big.Int), 100000)
+		logger     = NewStructLogger(nil)
+		statedb, _ = state.New(common.Hash{}, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
+		env        = vm.NewEVM(vm.BlockContext{}, vm.TxContext{}, statedb, params.TestChainConfig, vm.Config{Debug: true, Tracer: logger})
+		contract   = vm.NewContract(&dummyContractRef{}, &dummyContractRef{}, new(big.Int), 100000)
 	)
 	contract.Code = []byte{byte(vm.PUSH1), 0x1, byte(vm.PUSH1), 0x0, byte(vm.SSTORE)}
 	var index common.Hash
 	logger.CaptureStart(env, common.Address{}, contract.Address(), false, nil, 0, nil)
+	statedb.Prepare(params.TestRules, common.Address{}, common.Address{}, nil, nil, nil)
 	_, err := env.Interpreter().Run(contract, []byte{}, false)
 	if err != nil {
 		t.Fatal(err)
diff --git a/eth/tracers/native/4byte.go b/eth/tracers/native/4byte.go
index b2556e291c..f3040a0661 100644
--- a/eth/tracers/native/4byte.go
+++ b/eth/tracers/native/4byte.go
@@ -31,7 +31,6 @@ import (
 	"math/big"
 	"strconv"
 	"sync/atomic"
-	"time"
 
 	"github.com/ava-labs/subnet-evm/core/vm"
 	"github.com/ava-labs/subnet-evm/eth/tracers"
@@ -39,7 +38,7 @@ import (
 )
 
 func init() {
-	register("4byteTracer", newFourByteTracer)
+	tracers.DefaultDirectory.Register("4byteTracer", newFourByteTracer, false)
 }
 
 // fourByteTracer searches for 4byte-identifiers, and collects them for post-processing.
@@ -57,7 +56,7 @@ func init() {
 //	  0xc281d19e-0: 1
 //	}
 type fourByteTracer struct {
-	env               *vm.EVM
+	noopTracer
 	ids               map[string]int   // ids aggregates the 4byte ids found
 	interrupt         uint32           // Atomic flag to signal execution interruption
 	reason            error            // Textual reason for the interruption
@@ -91,8 +90,6 @@ func (t *fourByteTracer) store(id []byte, size int) {
 
 // CaptureStart implements the EVMLogger interface to initialize the tracing operation.
 func (t *fourByteTracer) CaptureStart(env *vm.EVM, from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) {
-	t.env = env
-
 	// Update list of precompiles based on current block
 	rules := env.ChainConfig().AvalancheRules(env.Context.BlockNumber, env.Context.Time)
 	t.activePrecompiles = vm.ActivePrecompiles(rules)
@@ -103,15 +100,10 @@ func (t *fourByteTracer) CaptureStart(env *vm.EVM, from common.Address, to commo
 	}
 }
 
-// CaptureState implements the EVMLogger interface to trace a single step of VM execution.
-func (t *fourByteTracer) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, rData []byte, depth int, err error) {
-}
-
 // CaptureEnter is called when EVM enters a new scope (via call, create or selfdestruct).
 func (t *fourByteTracer) CaptureEnter(op vm.OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
 	// Skip if tracing was interrupted
 	if atomic.LoadUint32(&t.interrupt) > 0 {
-		t.env.Cancel()
 		return
 	}
 	if len(input) < 4 {
@@ -129,23 +121,6 @@ func (t *fourByteTracer) CaptureEnter(op vm.OpCode, from common.Address, to comm
 	t.store(input[0:4], len(input)-4)
 }
 
-// CaptureExit is called when EVM exits a scope, even if the scope didn't
-// execute any code.
-func (t *fourByteTracer) CaptureExit(output []byte, gasUsed uint64, err error) {
-}
-
-// CaptureFault implements the EVMLogger interface to trace an execution fault.
-func (t *fourByteTracer) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, depth int, err error) {
-}
-
-// CaptureEnd is called after the call finishes to finalize the tracing.
-func (t *fourByteTracer) CaptureEnd(output []byte, gasUsed uint64, _ time.Duration, err error) {
-}
-
-func (*fourByteTracer) CaptureTxStart(gasLimit uint64) {}
-
-func (*fourByteTracer) CaptureTxEnd(restGas uint64) {}
-
 // GetResult returns the json-encoded nested list of call traces, and any
 // error arising from the encoding or forceful termination (via `Stop`).
 func (t *fourByteTracer) GetResult() (json.RawMessage, error) {
@@ -161,3 +136,7 @@ func (t *fourByteTracer) Stop(err error) {
 	t.reason = err
 	atomic.StoreUint32(&t.interrupt, 1)
 }
+
+func bytesToHex(s []byte) string {
+	return "0x" + common.Bytes2Hex(s)
+}
diff --git a/eth/tracers/native/call.go b/eth/tracers/native/call.go
index d02d5555a0..3e2a9763a1 100644
--- a/eth/tracers/native/call.go
+++ b/eth/tracers/native/call.go
@@ -30,43 +30,96 @@ import (
 	"encoding/json"
 	"errors"
 	"math/big"
-	"strconv"
-	"strings"
 	"sync/atomic"
-	"time"
 
+	"github.com/ava-labs/subnet-evm/accounts/abi"
 	"github.com/ava-labs/subnet-evm/core/vm"
 	"github.com/ava-labs/subnet-evm/eth/tracers"
+	"github.com/ava-labs/subnet-evm/vmerrs"
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
 )
 
+//go:generate go run github.com/fjl/gencodec -type callFrame -field-override callFrameMarshaling -out gen_callframe_json.go
+
 func init() {
-	register("callTracer", newCallTracer)
+	tracers.DefaultDirectory.Register("callTracer", newCallTracer, false)
+}
+
+type callLog struct {
+	Address common.Address `json:"address"`
+	Topics  []common.Hash  `json:"topics"`
+	Data    hexutil.Bytes  `json:"data"`
 }
 
 type callFrame struct {
-	Type    string      `json:"type"`
-	From    string      `json:"from"`
-	To      string      `json:"to,omitempty"`
-	Value   string      `json:"value,omitempty"`
-	Gas     string      `json:"gas"`
-	GasUsed string      `json:"gasUsed"`
-	Input   string      `json:"input"`
-	Output  string      `json:"output,omitempty"`
-	Error   string      `json:"error,omitempty"`
-	Calls   []callFrame `json:"calls,omitempty"`
+	Type         vm.OpCode       `json:"-"`
+	From         common.Address  `json:"from"`
+	Gas          uint64          `json:"gas"`
+	GasUsed      uint64          `json:"gasUsed"`
+	To           *common.Address `json:"to,omitempty" rlp:"optional"`
+	Input        []byte          `json:"input" rlp:"optional"`
+	Output       []byte          `json:"output,omitempty" rlp:"optional"`
+	Error        string          `json:"error,omitempty" rlp:"optional"`
+	RevertReason string          `json:"revertReason,omitempty"`
+	Calls        []callFrame     `json:"calls,omitempty" rlp:"optional"`
+	Logs         []callLog       `json:"logs,omitempty" rlp:"optional"`
+	// Placed at end on purpose. The RLP will be decoded to 0 instead of
+	// nil if there are non-empty elements after in the struct.
+	Value *big.Int `json:"value,omitempty" rlp:"optional"`
+}
+
+func (f callFrame) TypeString() string {
+	return f.Type.String()
+}
+
+func (f callFrame) failed() bool {
+	return len(f.Error) > 0
+}
+
+func (f *callFrame) processOutput(output []byte, err error) {
+	output = common.CopyBytes(output)
+	if err == nil {
+		f.Output = output
+		return
+	}
+	f.Error = err.Error()
+	if f.Type == vm.CREATE || f.Type == vm.CREATE2 {
+		f.To = nil
+	}
+	if !errors.Is(err, vmerrs.ErrExecutionReverted) || len(output) == 0 {
+		return
+	}
+	f.Output = output
+	if len(output) < 4 {
+		return
+	}
+	if unpacked, err := abi.UnpackRevert(output); err == nil {
+		f.RevertReason = unpacked
+	}
+}
+
+type callFrameMarshaling struct {
+	TypeString string `json:"type"`
+	Gas        hexutil.Uint64
+	GasUsed    hexutil.Uint64
+	Value      *hexutil.Big
+	Input      hexutil.Bytes
+	Output     hexutil.Bytes
 }
 
 type callTracer struct {
-	env       *vm.EVM
+	noopTracer
 	callstack []callFrame
 	config    callTracerConfig
+	gasLimit  uint64
 	interrupt uint32 // Atomic flag to signal execution interruption
 	reason    error  // Textual reason for the interruption
 }
 
 type callTracerConfig struct {
 	OnlyTopCall bool `json:"onlyTopCall"` // If true, call tracer won't collect any subcalls
+	WithLog     bool `json:"withLog"`     // If true, call tracer will collect event logs
 }
 
 // newCallTracer returns a native go tracer which tracks
@@ -85,39 +138,59 @@ func newCallTracer(ctx *tracers.Context, cfg json.RawMessage) (tracers.Tracer, e
 
 // CaptureStart implements the EVMLogger interface to initialize the tracing operation.
 func (t *callTracer) CaptureStart(env *vm.EVM, from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) {
-	t.env = env
+	toCopy := to
 	t.callstack[0] = callFrame{
-		Type:  "CALL",
-		From:  addrToHex(from),
-		To:    addrToHex(to),
-		Input: bytesToHex(input),
-		Gas:   uintToHex(gas),
-		Value: bigToHex(value),
+		Type:  vm.CALL,
+		From:  from,
+		To:    &toCopy,
+		Input: common.CopyBytes(input),
+		Gas:   gas,
+		Value: value,
 	}
 	if create {
-		t.callstack[0].Type = "CREATE"
+		t.callstack[0].Type = vm.CREATE
 	}
 }
 
 // CaptureEnd is called after the call finishes to finalize the tracing.
-func (t *callTracer) CaptureEnd(output []byte, gasUsed uint64, _ time.Duration, err error) {
-	t.callstack[0].GasUsed = uintToHex(gasUsed)
-	if err != nil {
-		t.callstack[0].Error = err.Error()
-		if err.Error() == "execution reverted" && len(output) > 0 {
-			t.callstack[0].Output = bytesToHex(output)
-		}
-	} else {
-		t.callstack[0].Output = bytesToHex(output)
-	}
+func (t *callTracer) CaptureEnd(output []byte, gasUsed uint64, err error) {
+	t.callstack[0].processOutput(output, err)
 }
 
 // CaptureState implements the EVMLogger interface to trace a single step of VM execution.
 func (t *callTracer) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, rData []byte, depth int, err error) {
-}
+	// Only logs need to be captured via opcode processing
+	if !t.config.WithLog {
+		return
+	}
+	// Avoid processing nested calls when only caring about top call
+	if t.config.OnlyTopCall && depth > 0 {
+		return
+	}
+	// Skip if tracing was interrupted
+	if atomic.LoadUint32(&t.interrupt) > 0 {
+		return
+	}
+	switch op {
+	case vm.LOG0, vm.LOG1, vm.LOG2, vm.LOG3, vm.LOG4:
+		size := int(op - vm.LOG0)
 
-// CaptureFault implements the EVMLogger interface to trace an execution fault.
-func (t *callTracer) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, _ *vm.ScopeContext, depth int, err error) {
+		stack := scope.Stack
+		stackData := stack.Data()
+
+		// Don't modify the stack
+		mStart := stackData[len(stackData)-1]
+		mSize := stackData[len(stackData)-2]
+		topics := make([]common.Hash, size)
+		for i := 0; i < size; i++ {
+			topic := stackData[len(stackData)-2-(i+1)]
+			topics[i] = common.Hash(topic.Bytes32())
+		}
+
+		data := scope.Memory.GetCopy(int64(mStart.Uint64()), int64(mSize.Uint64()))
+		log := callLog{Address: scope.Contract.Address(), Topics: topics, Data: hexutil.Bytes(data)}
+		t.callstack[len(t.callstack)-1].Logs = append(t.callstack[len(t.callstack)-1].Logs, log)
+	}
 }
 
 // CaptureEnter is called when EVM enters a new scope (via call, create or selfdestruct).
@@ -127,17 +200,17 @@ func (t *callTracer) CaptureEnter(typ vm.OpCode, from common.Address, to common.
 	}
 	// Skip if tracing was interrupted
 	if atomic.LoadUint32(&t.interrupt) > 0 {
-		t.env.Cancel()
 		return
 	}
 
+	toCopy := to
 	call := callFrame{
-		Type:  typ.String(),
-		From:  addrToHex(from),
-		To:    addrToHex(to),
-		Input: bytesToHex(input),
-		Gas:   uintToHex(gas),
-		Value: bigToHex(value),
+		Type:  typ,
+		From:  from,
+		To:    &toCopy,
+		Input: common.CopyBytes(input),
+		Gas:   gas,
+		Value: value,
 	}
 	t.callstack = append(t.callstack, call)
 }
@@ -157,21 +230,22 @@ func (t *callTracer) CaptureExit(output []byte, gasUsed uint64, err error) {
 	t.callstack = t.callstack[:size-1]
 	size -= 1
 
-	call.GasUsed = uintToHex(gasUsed)
-	if err == nil {
-		call.Output = bytesToHex(output)
-	} else {
-		call.Error = err.Error()
-		if call.Type == "CREATE" || call.Type == "CREATE2" {
-			call.To = ""
-		}
-	}
+	call.GasUsed = gasUsed
+	call.processOutput(output, err)
 	t.callstack[size-1].Calls = append(t.callstack[size-1].Calls, call)
 }
 
-func (*callTracer) CaptureTxStart(gasLimit uint64) {}
+func (t *callTracer) CaptureTxStart(gasLimit uint64) {
+	t.gasLimit = gasLimit
+}
 
-func (*callTracer) CaptureTxEnd(restGas uint64) {}
+func (t *callTracer) CaptureTxEnd(restGas uint64) {
+	t.callstack[0].GasUsed = t.gasLimit - restGas
+	if t.config.WithLog {
+		// Logs are not emitted when the call fails
+		clearFailedLogs(&t.callstack[0], false)
+	}
+}
 
 // GetResult returns the json-encoded nested list of call traces, and any
 // error arising from the encoding or forceful termination (via `Stop`).
@@ -179,6 +253,7 @@ func (t *callTracer) GetResult() (json.RawMessage, error) {
 	if len(t.callstack) != 1 {
 		return nil, errors.New("incorrect number of top-level calls")
 	}
+
 	res, err := json.Marshal(t.callstack[0])
 	if err != nil {
 		return nil, err
@@ -192,21 +267,15 @@ func (t *callTracer) Stop(err error) {
 	atomic.StoreUint32(&t.interrupt, 1)
 }
 
-func bytesToHex(s []byte) string {
-	return "0x" + common.Bytes2Hex(s)
-}
-
-func bigToHex(n *big.Int) string {
-	if n == nil {
-		return ""
+// clearFailedLogs clears the logs of a callframe and all its children
+// in case of execution failure.
+func clearFailedLogs(cf *callFrame, parentFailed bool) {
+	failed := cf.failed() || parentFailed
+	// Clear own logs
+	if failed {
+		cf.Logs = nil
+	}
+	for i := range cf.Calls {
+		clearFailedLogs(&cf.Calls[i], failed)
 	}
-	return "0x" + n.Text(16)
-}
-
-func uintToHex(n uint64) string {
-	return "0x" + strconv.FormatUint(n, 16)
-}
-
-func addrToHex(a common.Address) string {
-	return strings.ToLower(a.Hex())
 }
diff --git a/eth/tracers/native/call_flat.go b/eth/tracers/native/call_flat.go
new file mode 100644
index 0000000000..018021a043
--- /dev/null
+++ b/eth/tracers/native/call_flat.go
@@ -0,0 +1,390 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package native
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"math/big"
+	"strings"
+
+	"github.com/ava-labs/subnet-evm/core/vm"
+	"github.com/ava-labs/subnet-evm/eth/tracers"
+	"github.com/ava-labs/subnet-evm/vmerrs"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+)
+
+//go:generate go run github.com/fjl/gencodec -type flatCallAction -field-override flatCallActionMarshaling -out gen_flatcallaction_json.go
+//go:generate go run github.com/fjl/gencodec -type flatCallResult -field-override flatCallResultMarshaling -out gen_flatcallresult_json.go
+
+func init() {
+	tracers.DefaultDirectory.Register("flatCallTracer", newFlatCallTracer, false)
+}
+
+var parityErrorMapping = map[string]string{
+	"contract creation code storage out of gas": "Out of gas",
+	"out of gas":                      "Out of gas",
+	"gas uint64 overflow":             "Out of gas",
+	"max code size exceeded":          "Out of gas",
+	"invalid jump destination":        "Bad jump destination",
+	"execution reverted":              "Reverted",
+	"return data out of bounds":       "Out of bounds",
+	"stack limit reached 1024 (1023)": "Out of stack",
+	"precompiled failed":              "Built-in failed",
+	"invalid input length":            "Built-in failed",
+}
+
+var parityErrorMappingStartingWith = map[string]string{
+	"invalid opcode:": "Bad instruction",
+	"stack underflow": "Stack underflow",
+}
+
+// flatCallFrame is a standalone callframe.
+type flatCallFrame struct {
+	Action              flatCallAction  `json:"action"`
+	BlockHash           *common.Hash    `json:"blockHash"`
+	BlockNumber         uint64          `json:"blockNumber"`
+	Error               string          `json:"error,omitempty"`
+	Result              *flatCallResult `json:"result,omitempty"`
+	Subtraces           int             `json:"subtraces"`
+	TraceAddress        []int           `json:"traceAddress"`
+	TransactionHash     *common.Hash    `json:"transactionHash"`
+	TransactionPosition uint64          `json:"transactionPosition"`
+	Type                string          `json:"type"`
+}
+
+type flatCallAction struct {
+	Author         *common.Address `json:"author,omitempty"`
+	RewardType     string          `json:"rewardType,omitempty"`
+	SelfDestructed *common.Address `json:"address,omitempty"`
+	Balance        *big.Int        `json:"balance,omitempty"`
+	CallType       string          `json:"callType,omitempty"`
+	CreationMethod string          `json:"creationMethod,omitempty"`
+	From           *common.Address `json:"from,omitempty"`
+	Gas            *uint64         `json:"gas,omitempty"`
+	Init           *[]byte         `json:"init,omitempty"`
+	Input          *[]byte         `json:"input,omitempty"`
+	RefundAddress  *common.Address `json:"refundAddress,omitempty"`
+	To             *common.Address `json:"to,omitempty"`
+	Value          *big.Int        `json:"value,omitempty"`
+}
+
+type flatCallActionMarshaling struct {
+	Balance *hexutil.Big
+	Gas     *hexutil.Uint64
+	Init    *hexutil.Bytes
+	Input   *hexutil.Bytes
+	Value   *hexutil.Big
+}
+
+type flatCallResult struct {
+	Address *common.Address `json:"address,omitempty"`
+	Code    *[]byte         `json:"code,omitempty"`
+	GasUsed *uint64         `json:"gasUsed,omitempty"`
+	Output  *[]byte         `json:"output,omitempty"`
+}
+
+type flatCallResultMarshaling struct {
+	Code    *hexutil.Bytes
+	GasUsed *hexutil.Uint64
+	Output  *hexutil.Bytes
+}
+
+// flatCallTracer reports call frame information of a tx in a flat format, i.e.
+// as opposed to the nested format of `callTracer`.
+type flatCallTracer struct {
+	tracer            *callTracer
+	config            flatCallTracerConfig
+	ctx               *tracers.Context // Holds tracer context data
+	reason            error            // Textual reason for the interruption
+	activePrecompiles []common.Address // Updated on CaptureStart based on given rules
+}
+
+type flatCallTracerConfig struct {
+	ConvertParityErrors bool `json:"convertParityErrors"` // If true, call tracer converts errors to parity format
+	IncludePrecompiles  bool `json:"includePrecompiles"`  // If true, call tracer includes calls to precompiled contracts
+}
+
+// newFlatCallTracer returns a new flatCallTracer.
+func newFlatCallTracer(ctx *tracers.Context, cfg json.RawMessage) (tracers.Tracer, error) {
+	var config flatCallTracerConfig
+	if cfg != nil {
+		if err := json.Unmarshal(cfg, &config); err != nil {
+			return nil, err
+		}
+	}
+
+	tracer, err := tracers.DefaultDirectory.New("callTracer", ctx, cfg)
+	if err != nil {
+		return nil, err
+	}
+	t, ok := tracer.(*callTracer)
+	if !ok {
+		return nil, errors.New("internal error: embedded tracer has wrong type")
+	}
+
+	return &flatCallTracer{tracer: t, ctx: ctx, config: config}, nil
+}
+
+// CaptureStart implements the EVMLogger interface to initialize the tracing operation.
+func (t *flatCallTracer) CaptureStart(env *vm.EVM, from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) {
+	t.tracer.CaptureStart(env, from, to, create, input, gas, value)
+	// Update list of precompiles based on current block
+	rules := env.ChainConfig().AvalancheRules(env.Context.BlockNumber, env.Context.Timestamp())
+	t.activePrecompiles = vm.ActivePrecompiles(rules)
+}
+
+// CaptureEnd is called after the call finishes to finalize the tracing.
+func (t *flatCallTracer) CaptureEnd(output []byte, gasUsed uint64, err error) {
+	t.tracer.CaptureEnd(output, gasUsed, err)
+}
+
+// CaptureState implements the EVMLogger interface to trace a single step of VM execution.
+func (t *flatCallTracer) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, rData []byte, depth int, err error) {
+	t.tracer.CaptureState(pc, op, gas, cost, scope, rData, depth, err)
+}
+
+// CaptureFault implements the EVMLogger interface to trace an execution fault.
+func (t *flatCallTracer) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, depth int, err error) {
+	t.tracer.CaptureFault(pc, op, gas, cost, scope, depth, err)
+}
+
+// CaptureEnter is called when EVM enters a new scope (via call, create or selfdestruct).
+func (t *flatCallTracer) CaptureEnter(typ vm.OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
+	t.tracer.CaptureEnter(typ, from, to, input, gas, value)
+
+	// Child calls must have a value, even if it's zero.
+	// Practically speaking, only STATICCALL has nil value. Set it to zero.
+	if t.tracer.callstack[len(t.tracer.callstack)-1].Value == nil && value == nil {
+		t.tracer.callstack[len(t.tracer.callstack)-1].Value = big.NewInt(0)
+	}
+}
+
+// CaptureExit is called when EVM exits a scope, even if the scope didn't
+// execute any code.
+func (t *flatCallTracer) CaptureExit(output []byte, gasUsed uint64, err error) {
+	t.tracer.CaptureExit(output, gasUsed, err)
+
+	// Parity traces don't include CALL/STATICCALLs to precompiles.
+	// By default we remove them from the callstack.
+	if t.config.IncludePrecompiles {
+		return
+	}
+	var (
+		// call has been nested in parent
+		parent = t.tracer.callstack[len(t.tracer.callstack)-1]
+		call   = parent.Calls[len(parent.Calls)-1]
+		typ    = call.Type
+		to     = call.To
+	)
+	if typ == vm.CALL || typ == vm.STATICCALL {
+		if t.isPrecompiled(*to) {
+			t.tracer.callstack[len(t.tracer.callstack)-1].Calls = parent.Calls[:len(parent.Calls)-1]
+		}
+	}
+}
+
+func (t *flatCallTracer) CaptureTxStart(gasLimit uint64) {
+	t.tracer.CaptureTxStart(gasLimit)
+}
+
+func (t *flatCallTracer) CaptureTxEnd(restGas uint64) {
+	t.tracer.CaptureTxEnd(restGas)
+}
+
+// GetResult returns an empty json object.
+func (t *flatCallTracer) GetResult() (json.RawMessage, error) {
+	if len(t.tracer.callstack) < 1 {
+		return nil, errors.New("invalid number of calls")
+	}
+
+	flat, err := flatFromNested(&t.tracer.callstack[0], []int{}, t.config.ConvertParityErrors, t.ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	res, err := json.Marshal(flat)
+	if err != nil {
+		return nil, err
+	}
+	return res, t.reason
+}
+
+// Stop terminates execution of the tracer at the first opportune moment.
+func (t *flatCallTracer) Stop(err error) {
+	t.tracer.Stop(err)
+}
+
+// isPrecompiled returns whether the addr is a precompile.
+func (t *flatCallTracer) isPrecompiled(addr common.Address) bool {
+	for _, p := range t.activePrecompiles {
+		if p == addr {
+			return true
+		}
+	}
+	return false
+}
+
+func flatFromNested(input *callFrame, traceAddress []int, convertErrs bool, ctx *tracers.Context) (output []flatCallFrame, err error) {
+	var frame *flatCallFrame
+	switch input.Type {
+	case vm.CREATE, vm.CREATE2:
+		frame = newFlatCreate(input)
+	case vm.SELFDESTRUCT:
+		frame = newFlatSuicide(input)
+	case vm.CALL, vm.STATICCALL, vm.CALLCODE, vm.DELEGATECALL:
+		frame = newFlatCall(input)
+	default:
+		return nil, fmt.Errorf("unrecognized call frame type: %s", input.Type)
+	}
+
+	frame.TraceAddress = traceAddress
+	frame.Error = input.Error
+	frame.Subtraces = len(input.Calls)
+	fillCallFrameFromContext(frame, ctx)
+	if convertErrs {
+		convertErrorToParity(frame)
+	}
+
+	// Revert output contains useful information (revert reason).
+	// Otherwise discard result.
+	if input.Error != "" && input.Error != vmerrs.ErrExecutionReverted.Error() {
+		frame.Result = nil
+	}
+
+	output = append(output, *frame)
+	if len(input.Calls) > 0 {
+		for i, childCall := range input.Calls {
+			childAddr := childTraceAddress(traceAddress, i)
+			childCallCopy := childCall
+			flat, err := flatFromNested(&childCallCopy, childAddr, convertErrs, ctx)
+			if err != nil {
+				return nil, err
+			}
+			output = append(output, flat...)
+		}
+	}
+
+	return output, nil
+}
+
+func newFlatCreate(input *callFrame) *flatCallFrame {
+	var (
+		actionInit = input.Input[:]
+		resultCode = input.Output[:]
+	)
+
+	return &flatCallFrame{
+		Type: strings.ToLower(vm.CREATE.String()),
+		Action: flatCallAction{
+			From:  &input.From,
+			Gas:   &input.Gas,
+			Value: input.Value,
+			Init:  &actionInit,
+		},
+		Result: &flatCallResult{
+			GasUsed: &input.GasUsed,
+			Address: input.To,
+			Code:    &resultCode,
+		},
+	}
+}
+
+func newFlatCall(input *callFrame) *flatCallFrame {
+	var (
+		actionInput  = input.Input[:]
+		resultOutput = input.Output[:]
+	)
+
+	return &flatCallFrame{
+		Type: strings.ToLower(vm.CALL.String()),
+		Action: flatCallAction{
+			From:     &input.From,
+			To:       input.To,
+			Gas:      &input.Gas,
+			Value:    input.Value,
+			CallType: strings.ToLower(input.Type.String()),
+			Input:    &actionInput,
+		},
+		Result: &flatCallResult{
+			GasUsed: &input.GasUsed,
+			Output:  &resultOutput,
+		},
+	}
+}
+
+func newFlatSuicide(input *callFrame) *flatCallFrame {
+	return &flatCallFrame{
+		Type: "suicide",
+		Action: flatCallAction{
+			SelfDestructed: &input.From,
+			Balance:        input.Value,
+			RefundAddress:  input.To,
+		},
+	}
+}
+
+func fillCallFrameFromContext(callFrame *flatCallFrame, ctx *tracers.Context) {
+	if ctx == nil {
+		return
+	}
+	if ctx.BlockHash != (common.Hash{}) {
+		callFrame.BlockHash = &ctx.BlockHash
+	}
+	if ctx.BlockNumber != nil {
+		callFrame.BlockNumber = ctx.BlockNumber.Uint64()
+	}
+	if ctx.TxHash != (common.Hash{}) {
+		callFrame.TransactionHash = &ctx.TxHash
+	}
+	callFrame.TransactionPosition = uint64(ctx.TxIndex)
+}
+
+func convertErrorToParity(call *flatCallFrame) {
+	if call.Error == "" {
+		return
+	}
+
+	if parityError, ok := parityErrorMapping[call.Error]; ok {
+		call.Error = parityError
+	} else {
+		for gethError, parityError := range parityErrorMappingStartingWith {
+			if strings.HasPrefix(call.Error, gethError) {
+				call.Error = parityError
+			}
+		}
+	}
+}
+
+func childTraceAddress(a []int, i int) []int {
+	child := make([]int, 0, len(a)+1)
+	child = append(child, a...)
+	child = append(child, i)
+	return child
+}
diff --git a/eth/tracers/native/gen_account_json.go b/eth/tracers/native/gen_account_json.go
new file mode 100644
index 0000000000..4c39cbc38c
--- /dev/null
+++ b/eth/tracers/native/gen_account_json.go
@@ -0,0 +1,56 @@
+// Code generated by github.com/fjl/gencodec. DO NOT EDIT.
+
+package native
+
+import (
+	"encoding/json"
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+)
+
+var _ = (*accountMarshaling)(nil)
+
+// MarshalJSON marshals as JSON.
+func (a account) MarshalJSON() ([]byte, error) {
+	type account struct {
+		Balance *hexutil.Big                `json:"balance,omitempty"`
+		Code    hexutil.Bytes               `json:"code,omitempty"`
+		Nonce   uint64                      `json:"nonce,omitempty"`
+		Storage map[common.Hash]common.Hash `json:"storage,omitempty"`
+	}
+	var enc account
+	enc.Balance = (*hexutil.Big)(a.Balance)
+	enc.Code = a.Code
+	enc.Nonce = a.Nonce
+	enc.Storage = a.Storage
+	return json.Marshal(&enc)
+}
+
+// UnmarshalJSON unmarshals from JSON.
+func (a *account) UnmarshalJSON(input []byte) error {
+	type account struct {
+		Balance *hexutil.Big                `json:"balance,omitempty"`
+		Code    *hexutil.Bytes              `json:"code,omitempty"`
+		Nonce   *uint64                     `json:"nonce,omitempty"`
+		Storage map[common.Hash]common.Hash `json:"storage,omitempty"`
+	}
+	var dec account
+	if err := json.Unmarshal(input, &dec); err != nil {
+		return err
+	}
+	if dec.Balance != nil {
+		a.Balance = (*big.Int)(dec.Balance)
+	}
+	if dec.Code != nil {
+		a.Code = *dec.Code
+	}
+	if dec.Nonce != nil {
+		a.Nonce = *dec.Nonce
+	}
+	if dec.Storage != nil {
+		a.Storage = dec.Storage
+	}
+	return nil
+}
diff --git a/eth/tracers/native/gen_callframe_json.go b/eth/tracers/native/gen_callframe_json.go
new file mode 100644
index 0000000000..2f9bf13620
--- /dev/null
+++ b/eth/tracers/native/gen_callframe_json.go
@@ -0,0 +1,107 @@
+// Code generated by github.com/fjl/gencodec. DO NOT EDIT.
+
+package native
+
+import (
+	"encoding/json"
+	"math/big"
+
+	"github.com/ava-labs/subnet-evm/core/vm"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+)
+
+var _ = (*callFrameMarshaling)(nil)
+
+// MarshalJSON marshals as JSON.
+func (c callFrame) MarshalJSON() ([]byte, error) {
+	type callFrame0 struct {
+		Type         vm.OpCode       `json:"-"`
+		From         common.Address  `json:"from"`
+		Gas          hexutil.Uint64  `json:"gas"`
+		GasUsed      hexutil.Uint64  `json:"gasUsed"`
+		To           *common.Address `json:"to,omitempty" rlp:"optional"`
+		Input        hexutil.Bytes   `json:"input" rlp:"optional"`
+		Output       hexutil.Bytes   `json:"output,omitempty" rlp:"optional"`
+		Error        string          `json:"error,omitempty" rlp:"optional"`
+		RevertReason string          `json:"revertReason,omitempty"`
+		Calls        []callFrame     `json:"calls,omitempty" rlp:"optional"`
+		Logs         []callLog       `json:"logs,omitempty" rlp:"optional"`
+		Value        *hexutil.Big    `json:"value,omitempty" rlp:"optional"`
+		TypeString   string          `json:"type"`
+	}
+	var enc callFrame0
+	enc.Type = c.Type
+	enc.From = c.From
+	enc.Gas = hexutil.Uint64(c.Gas)
+	enc.GasUsed = hexutil.Uint64(c.GasUsed)
+	enc.To = c.To
+	enc.Input = c.Input
+	enc.Output = c.Output
+	enc.Error = c.Error
+	enc.RevertReason = c.RevertReason
+	enc.Calls = c.Calls
+	enc.Logs = c.Logs
+	enc.Value = (*hexutil.Big)(c.Value)
+	enc.TypeString = c.TypeString()
+	return json.Marshal(&enc)
+}
+
+// UnmarshalJSON unmarshals from JSON.
+func (c *callFrame) UnmarshalJSON(input []byte) error {
+	type callFrame0 struct {
+		Type         *vm.OpCode      `json:"-"`
+		From         *common.Address `json:"from"`
+		Gas          *hexutil.Uint64 `json:"gas"`
+		GasUsed      *hexutil.Uint64 `json:"gasUsed"`
+		To           *common.Address `json:"to,omitempty" rlp:"optional"`
+		Input        *hexutil.Bytes  `json:"input" rlp:"optional"`
+		Output       *hexutil.Bytes  `json:"output,omitempty" rlp:"optional"`
+		Error        *string         `json:"error,omitempty" rlp:"optional"`
+		RevertReason *string         `json:"revertReason,omitempty"`
+		Calls        []callFrame     `json:"calls,omitempty" rlp:"optional"`
+		Logs         []callLog       `json:"logs,omitempty" rlp:"optional"`
+		Value        *hexutil.Big    `json:"value,omitempty" rlp:"optional"`
+	}
+	var dec callFrame0
+	if err := json.Unmarshal(input, &dec); err != nil {
+		return err
+	}
+	if dec.Type != nil {
+		c.Type = *dec.Type
+	}
+	if dec.From != nil {
+		c.From = *dec.From
+	}
+	if dec.Gas != nil {
+		c.Gas = uint64(*dec.Gas)
+	}
+	if dec.GasUsed != nil {
+		c.GasUsed = uint64(*dec.GasUsed)
+	}
+	if dec.To != nil {
+		c.To = dec.To
+	}
+	if dec.Input != nil {
+		c.Input = *dec.Input
+	}
+	if dec.Output != nil {
+		c.Output = *dec.Output
+	}
+	if dec.Error != nil {
+		c.Error = *dec.Error
+	}
+	if dec.RevertReason != nil {
+		c.RevertReason = *dec.RevertReason
+	}
+	if dec.Calls != nil {
+		c.Calls = dec.Calls
+	}
+	if dec.Logs != nil {
+		c.Logs = dec.Logs
+	}
+	if dec.Value != nil {
+		c.Value = (*big.Int)(dec.Value)
+	}
+	return nil
+}
diff --git a/eth/tracers/native/gen_flatcallaction_json.go b/eth/tracers/native/gen_flatcallaction_json.go
new file mode 100644
index 0000000000..c075606983
--- /dev/null
+++ b/eth/tracers/native/gen_flatcallaction_json.go
@@ -0,0 +1,110 @@
+// Code generated by github.com/fjl/gencodec. DO NOT EDIT.
+
+package native
+
+import (
+	"encoding/json"
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+)
+
+var _ = (*flatCallActionMarshaling)(nil)
+
+// MarshalJSON marshals as JSON.
+func (f flatCallAction) MarshalJSON() ([]byte, error) {
+	type flatCallAction struct {
+		Author         *common.Address `json:"author,omitempty"`
+		RewardType     string          `json:"rewardType,omitempty"`
+		SelfDestructed *common.Address `json:"address,omitempty"`
+		Balance        *hexutil.Big    `json:"balance,omitempty"`
+		CallType       string          `json:"callType,omitempty"`
+		CreationMethod string          `json:"creationMethod,omitempty"`
+		From           *common.Address `json:"from,omitempty"`
+		Gas            *hexutil.Uint64 `json:"gas,omitempty"`
+		Init           *hexutil.Bytes  `json:"init,omitempty"`
+		Input          *hexutil.Bytes  `json:"input,omitempty"`
+		RefundAddress  *common.Address `json:"refundAddress,omitempty"`
+		To             *common.Address `json:"to,omitempty"`
+		Value          *hexutil.Big    `json:"value,omitempty"`
+	}
+	var enc flatCallAction
+	enc.Author = f.Author
+	enc.RewardType = f.RewardType
+	enc.SelfDestructed = f.SelfDestructed
+	enc.Balance = (*hexutil.Big)(f.Balance)
+	enc.CallType = f.CallType
+	enc.CreationMethod = f.CreationMethod
+	enc.From = f.From
+	enc.Gas = (*hexutil.Uint64)(f.Gas)
+	enc.Init = (*hexutil.Bytes)(f.Init)
+	enc.Input = (*hexutil.Bytes)(f.Input)
+	enc.RefundAddress = f.RefundAddress
+	enc.To = f.To
+	enc.Value = (*hexutil.Big)(f.Value)
+	return json.Marshal(&enc)
+}
+
+// UnmarshalJSON unmarshals from JSON.
+func (f *flatCallAction) UnmarshalJSON(input []byte) error {
+	type flatCallAction struct {
+		Author         *common.Address `json:"author,omitempty"`
+		RewardType     *string         `json:"rewardType,omitempty"`
+		SelfDestructed *common.Address `json:"address,omitempty"`
+		Balance        *hexutil.Big    `json:"balance,omitempty"`
+		CallType       *string         `json:"callType,omitempty"`
+		CreationMethod *string         `json:"creationMethod,omitempty"`
+		From           *common.Address `json:"from,omitempty"`
+		Gas            *hexutil.Uint64 `json:"gas,omitempty"`
+		Init           *hexutil.Bytes  `json:"init,omitempty"`
+		Input          *hexutil.Bytes  `json:"input,omitempty"`
+		RefundAddress  *common.Address `json:"refundAddress,omitempty"`
+		To             *common.Address `json:"to,omitempty"`
+		Value          *hexutil.Big    `json:"value,omitempty"`
+	}
+	var dec flatCallAction
+	if err := json.Unmarshal(input, &dec); err != nil {
+		return err
+	}
+	if dec.Author != nil {
+		f.Author = dec.Author
+	}
+	if dec.RewardType != nil {
+		f.RewardType = *dec.RewardType
+	}
+	if dec.SelfDestructed != nil {
+		f.SelfDestructed = dec.SelfDestructed
+	}
+	if dec.Balance != nil {
+		f.Balance = (*big.Int)(dec.Balance)
+	}
+	if dec.CallType != nil {
+		f.CallType = *dec.CallType
+	}
+	if dec.CreationMethod != nil {
+		f.CreationMethod = *dec.CreationMethod
+	}
+	if dec.From != nil {
+		f.From = dec.From
+	}
+	if dec.Gas != nil {
+		f.Gas = (*uint64)(dec.Gas)
+	}
+	if dec.Init != nil {
+		f.Init = (*[]byte)(dec.Init)
+	}
+	if dec.Input != nil {
+		f.Input = (*[]byte)(dec.Input)
+	}
+	if dec.RefundAddress != nil {
+		f.RefundAddress = dec.RefundAddress
+	}
+	if dec.To != nil {
+		f.To = dec.To
+	}
+	if dec.Value != nil {
+		f.Value = (*big.Int)(dec.Value)
+	}
+	return nil
+}
diff --git a/eth/tracers/native/gen_flatcallresult_json.go b/eth/tracers/native/gen_flatcallresult_json.go
new file mode 100644
index 0000000000..e9fa5e44da
--- /dev/null
+++ b/eth/tracers/native/gen_flatcallresult_json.go
@@ -0,0 +1,55 @@
+// Code generated by github.com/fjl/gencodec. DO NOT EDIT.
+
+package native
+
+import (
+	"encoding/json"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+)
+
+var _ = (*flatCallResultMarshaling)(nil)
+
+// MarshalJSON marshals as JSON.
+func (f flatCallResult) MarshalJSON() ([]byte, error) {
+	type flatCallResult struct {
+		Address *common.Address `json:"address,omitempty"`
+		Code    *hexutil.Bytes  `json:"code,omitempty"`
+		GasUsed *hexutil.Uint64 `json:"gasUsed,omitempty"`
+		Output  *hexutil.Bytes  `json:"output,omitempty"`
+	}
+	var enc flatCallResult
+	enc.Address = f.Address
+	enc.Code = (*hexutil.Bytes)(f.Code)
+	enc.GasUsed = (*hexutil.Uint64)(f.GasUsed)
+	enc.Output = (*hexutil.Bytes)(f.Output)
+	return json.Marshal(&enc)
+}
+
+// UnmarshalJSON unmarshals from JSON.
+func (f *flatCallResult) UnmarshalJSON(input []byte) error {
+	type flatCallResult struct {
+		Address *common.Address `json:"address,omitempty"`
+		Code    *hexutil.Bytes  `json:"code,omitempty"`
+		GasUsed *hexutil.Uint64 `json:"gasUsed,omitempty"`
+		Output  *hexutil.Bytes  `json:"output,omitempty"`
+	}
+	var dec flatCallResult
+	if err := json.Unmarshal(input, &dec); err != nil {
+		return err
+	}
+	if dec.Address != nil {
+		f.Address = dec.Address
+	}
+	if dec.Code != nil {
+		f.Code = (*[]byte)(dec.Code)
+	}
+	if dec.GasUsed != nil {
+		f.GasUsed = (*uint64)(dec.GasUsed)
+	}
+	if dec.Output != nil {
+		f.Output = (*[]byte)(dec.Output)
+	}
+	return nil
+}
diff --git a/eth/tracers/native/mux.go b/eth/tracers/native/mux.go
new file mode 100644
index 0000000000..16f3f9bfac
--- /dev/null
+++ b/eth/tracers/native/mux.go
@@ -0,0 +1,148 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package native
+
+import (
+	"encoding/json"
+	"math/big"
+
+	"github.com/ava-labs/subnet-evm/core/vm"
+	"github.com/ava-labs/subnet-evm/eth/tracers"
+	"github.com/ethereum/go-ethereum/common"
+)
+
+func init() {
+	tracers.DefaultDirectory.Register("muxTracer", newMuxTracer, false)
+}
+
+// muxTracer is a go implementation of the Tracer interface which
+// runs multiple tracers in one go.
+type muxTracer struct {
+	names   []string
+	tracers []tracers.Tracer
+}
+
+// newMuxTracer returns a new mux tracer.
+func newMuxTracer(ctx *tracers.Context, cfg json.RawMessage) (tracers.Tracer, error) {
+	var config map[string]json.RawMessage
+	if cfg != nil {
+		if err := json.Unmarshal(cfg, &config); err != nil {
+			return nil, err
+		}
+	}
+	objects := make([]tracers.Tracer, 0, len(config))
+	names := make([]string, 0, len(config))
+	for k, v := range config {
+		t, err := tracers.DefaultDirectory.New(k, ctx, v)
+		if err != nil {
+			return nil, err
+		}
+		objects = append(objects, t)
+		names = append(names, k)
+	}
+
+	return &muxTracer{names: names, tracers: objects}, nil
+}
+
+// CaptureStart implements the EVMLogger interface to initialize the tracing operation.
+func (t *muxTracer) CaptureStart(env *vm.EVM, from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) {
+	for _, t := range t.tracers {
+		t.CaptureStart(env, from, to, create, input, gas, value)
+	}
+}
+
+// CaptureEnd is called after the call finishes to finalize the tracing.
+func (t *muxTracer) CaptureEnd(output []byte, gasUsed uint64, err error) {
+	for _, t := range t.tracers {
+		t.CaptureEnd(output, gasUsed, err)
+	}
+}
+
+// CaptureState implements the EVMLogger interface to trace a single step of VM execution.
+func (t *muxTracer) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, rData []byte, depth int, err error) {
+	for _, t := range t.tracers {
+		t.CaptureState(pc, op, gas, cost, scope, rData, depth, err)
+	}
+}
+
+// CaptureFault implements the EVMLogger interface to trace an execution fault.
+func (t *muxTracer) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, depth int, err error) {
+	for _, t := range t.tracers {
+		t.CaptureFault(pc, op, gas, cost, scope, depth, err)
+	}
+}
+
+// CaptureEnter is called when EVM enters a new scope (via call, create or selfdestruct).
+func (t *muxTracer) CaptureEnter(typ vm.OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
+	for _, t := range t.tracers {
+		t.CaptureEnter(typ, from, to, input, gas, value)
+	}
+}
+
+// CaptureExit is called when EVM exits a scope, even if the scope didn't
+// execute any code.
+func (t *muxTracer) CaptureExit(output []byte, gasUsed uint64, err error) {
+	for _, t := range t.tracers {
+		t.CaptureExit(output, gasUsed, err)
+	}
+}
+
+func (t *muxTracer) CaptureTxStart(gasLimit uint64) {
+	for _, t := range t.tracers {
+		t.CaptureTxStart(gasLimit)
+	}
+}
+
+func (t *muxTracer) CaptureTxEnd(restGas uint64) {
+	for _, t := range t.tracers {
+		t.CaptureTxEnd(restGas)
+	}
+}
+
+// GetResult returns an empty json object.
+func (t *muxTracer) GetResult() (json.RawMessage, error) {
+	resObject := make(map[string]json.RawMessage)
+	for i, tt := range t.tracers {
+		r, err := tt.GetResult()
+		if err != nil {
+			return nil, err
+		}
+		resObject[t.names[i]] = r
+	}
+	res, err := json.Marshal(resObject)
+	if err != nil {
+		return nil, err
+	}
+	return res, nil
+}
+
+// Stop terminates execution of the tracer at the first opportune moment.
+func (t *muxTracer) Stop(err error) {
+	for _, t := range t.tracers {
+		t.Stop(err)
+	}
+}
diff --git a/eth/tracers/native/noop.go b/eth/tracers/native/noop.go
index 75d6dd17ea..264fdd01ab 100644
--- a/eth/tracers/native/noop.go
+++ b/eth/tracers/native/noop.go
@@ -29,7 +29,6 @@ package native
 import (
 	"encoding/json"
 	"math/big"
-	"time"
 
 	"github.com/ava-labs/subnet-evm/core/vm"
 	"github.com/ava-labs/subnet-evm/eth/tracers"
@@ -37,7 +36,7 @@ import (
 )
 
 func init() {
-	register("noopTracer", newNoopTracer)
+	tracers.DefaultDirectory.Register("noopTracer", newNoopTracer, false)
 }
 
 // noopTracer is a go implementation of the Tracer interface which
@@ -54,7 +53,7 @@ func (t *noopTracer) CaptureStart(env *vm.EVM, from common.Address, to common.Ad
 }
 
 // CaptureEnd is called after the call finishes to finalize the tracing.
-func (t *noopTracer) CaptureEnd(output []byte, gasUsed uint64, _ time.Duration, err error) {
+func (t *noopTracer) CaptureEnd(output []byte, gasUsed uint64, err error) {
 }
 
 // CaptureState implements the EVMLogger interface to trace a single step of VM execution.
diff --git a/eth/tracers/native/prestate.go b/eth/tracers/native/prestate.go
index 570a1da801..35e5510148 100644
--- a/eth/tracers/native/prestate.go
+++ b/eth/tracers/native/prestate.go
@@ -27,10 +27,10 @@
 package native
 
 import (
+	"bytes"
 	"encoding/json"
 	"math/big"
 	"sync/atomic"
-	"time"
 
 	"github.com/ava-labs/subnet-evm/core/vm"
 	"github.com/ava-labs/subnet-evm/eth/tracers"
@@ -39,32 +39,63 @@ import (
 	"github.com/ethereum/go-ethereum/crypto"
 )
 
+//go:generate go run github.com/fjl/gencodec -type account -field-override accountMarshaling -out gen_account_json.go
+
 func init() {
-	register("prestateTracer", newPrestateTracer)
+	tracers.DefaultDirectory.Register("prestateTracer", newPrestateTracer, false)
 }
 
-type prestate = map[common.Address]*account
+type state = map[common.Address]*account
+
 type account struct {
-	Balance string                      `json:"balance"`
-	Nonce   uint64                      `json:"nonce"`
-	Code    string                      `json:"code"`
-	Storage map[common.Hash]common.Hash `json:"storage"`
+	Balance *big.Int                    `json:"balance,omitempty"`
+	Code    []byte                      `json:"code,omitempty"`
+	Nonce   uint64                      `json:"nonce,omitempty"`
+	Storage map[common.Hash]common.Hash `json:"storage,omitempty"`
+}
+
+func (a *account) exists() bool {
+	return a.Nonce > 0 || len(a.Code) > 0 || len(a.Storage) > 0 || (a.Balance != nil && a.Balance.Sign() != 0)
+}
+
+type accountMarshaling struct {
+	Balance *hexutil.Big
+	Code    hexutil.Bytes
 }
 
 type prestateTracer struct {
+	noopTracer
 	env       *vm.EVM
-	prestate  prestate
+	pre       state
+	post      state
 	create    bool
 	to        common.Address
 	gasLimit  uint64 // Amount of gas bought for the whole tx
+	config    prestateTracerConfig
 	interrupt uint32 // Atomic flag to signal execution interruption
 	reason    error  // Textual reason for the interruption
+	created   map[common.Address]bool
+	deleted   map[common.Address]bool
 }
 
-func newPrestateTracer(ctx *tracers.Context, _ json.RawMessage) (tracers.Tracer, error) {
-	// First callframe contains tx context info
-	// and is populated on start and end.
-	return &prestateTracer{prestate: prestate{}}, nil
+type prestateTracerConfig struct {
+	DiffMode bool `json:"diffMode"` // If true, this tracer will return state modifications
+}
+
+func newPrestateTracer(ctx *tracers.Context, cfg json.RawMessage) (tracers.Tracer, error) {
+	var config prestateTracerConfig
+	if cfg != nil {
+		if err := json.Unmarshal(cfg, &config); err != nil {
+			return nil, err
+		}
+	}
+	return &prestateTracer{
+		pre:     state{},
+		post:    state{},
+		config:  config,
+		created: make(map[common.Address]bool),
+		deleted: make(map[common.Address]bool),
+	}, nil
 }
 
 // CaptureStart implements the EVMLogger interface to initialize the tracing operation.
@@ -75,27 +106,38 @@ func (t *prestateTracer) CaptureStart(env *vm.EVM, from common.Address, to commo
 
 	t.lookupAccount(from)
 	t.lookupAccount(to)
+	t.lookupAccount(env.Context.Coinbase)
 
 	// The recipient balance includes the value transferred.
-	toBal := hexutil.MustDecodeBig(t.prestate[to].Balance)
-	toBal = new(big.Int).Sub(toBal, value)
-	t.prestate[to].Balance = hexutil.EncodeBig(toBal)
+	toBal := new(big.Int).Sub(t.pre[to].Balance, value)
+	t.pre[to].Balance = toBal
 
 	// The sender balance is after reducing: value and gasLimit.
 	// We need to re-add them to get the pre-tx balance.
-	fromBal := hexutil.MustDecodeBig(t.prestate[from].Balance)
+	fromBal := new(big.Int).Set(t.pre[from].Balance)
 	gasPrice := env.TxContext.GasPrice
 	consumedGas := new(big.Int).Mul(gasPrice, new(big.Int).SetUint64(t.gasLimit))
 	fromBal.Add(fromBal, new(big.Int).Add(value, consumedGas))
-	t.prestate[from].Balance = hexutil.EncodeBig(fromBal)
-	t.prestate[from].Nonce--
+	t.pre[from].Balance = fromBal
+	t.pre[from].Nonce--
+
+	if create && t.config.DiffMode {
+		t.created[to] = true
+	}
 }
 
 // CaptureEnd is called after the call finishes to finalize the tracing.
-func (t *prestateTracer) CaptureEnd(output []byte, gasUsed uint64, _ time.Duration, err error) {
+func (t *prestateTracer) CaptureEnd(output []byte, gasUsed uint64, err error) {
+	if t.config.DiffMode {
+		return
+	}
+
 	if t.create {
-		// Exclude created contract.
-		delete(t.prestate, t.to)
+		// Keep existing account prior to contract creation at that address
+		if s := t.pre[t.to]; s != nil && !s.exists() {
+			// Exclude newly created contract.
+			delete(t.pre, t.to)
+		}
 	}
 }
 
@@ -104,53 +146,117 @@ func (t *prestateTracer) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64,
 	stack := scope.Stack
 	stackData := stack.Data()
 	stackLen := len(stackData)
+	caller := scope.Contract.Address()
 	switch {
 	case stackLen >= 1 && (op == vm.SLOAD || op == vm.SSTORE):
 		slot := common.Hash(stackData[stackLen-1].Bytes32())
-		t.lookupStorage(scope.Contract.Address(), slot)
+		t.lookupStorage(caller, slot)
 	case stackLen >= 1 && (op == vm.EXTCODECOPY || op == vm.EXTCODEHASH || op == vm.EXTCODESIZE || op == vm.BALANCE || op == vm.SELFDESTRUCT):
 		addr := common.Address(stackData[stackLen-1].Bytes20())
 		t.lookupAccount(addr)
+		if op == vm.SELFDESTRUCT {
+			t.deleted[caller] = true
+		}
 	case stackLen >= 5 && (op == vm.DELEGATECALL || op == vm.CALL || op == vm.STATICCALL || op == vm.CALLCODE):
 		addr := common.Address(stackData[stackLen-2].Bytes20())
 		t.lookupAccount(addr)
 	case op == vm.CREATE:
-		addr := scope.Contract.Address()
-		nonce := t.env.StateDB.GetNonce(addr)
-		t.lookupAccount(crypto.CreateAddress(addr, nonce))
+		nonce := t.env.StateDB.GetNonce(caller)
+		addr := crypto.CreateAddress(caller, nonce)
+		t.lookupAccount(addr)
+		t.created[addr] = true
 	case stackLen >= 4 && op == vm.CREATE2:
 		offset := stackData[stackLen-2]
 		size := stackData[stackLen-3]
 		init := scope.Memory.GetCopy(int64(offset.Uint64()), int64(size.Uint64()))
 		inithash := crypto.Keccak256(init)
 		salt := stackData[stackLen-4]
-		t.lookupAccount(crypto.CreateAddress2(scope.Contract.Address(), salt.Bytes32(), inithash))
+		addr := crypto.CreateAddress2(caller, salt.Bytes32(), inithash)
+		t.lookupAccount(addr)
+		t.created[addr] = true
 	}
 }
 
-// CaptureFault implements the EVMLogger interface to trace an execution fault.
-func (t *prestateTracer) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, _ *vm.ScopeContext, depth int, err error) {
-}
-
-// CaptureEnter is called when EVM enters a new scope (via call, create or selfdestruct).
-func (t *prestateTracer) CaptureEnter(typ vm.OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
-}
-
 func (t *prestateTracer) CaptureTxStart(gasLimit uint64) {
 	t.gasLimit = gasLimit
 }
 
-func (t *prestateTracer) CaptureTxEnd(restGas uint64) {}
+func (t *prestateTracer) CaptureTxEnd(restGas uint64) {
+	if !t.config.DiffMode {
+		return
+	}
+
+	for addr, state := range t.pre {
+		// The deleted account's state is pruned from `post` but kept in `pre`
+		if _, ok := t.deleted[addr]; ok {
+			continue
+		}
+		modified := false
+		postAccount := &account{Storage: make(map[common.Hash]common.Hash)}
+		newBalance := t.env.StateDB.GetBalance(addr)
+		newNonce := t.env.StateDB.GetNonce(addr)
+		newCode := t.env.StateDB.GetCode(addr)
 
-// CaptureExit is called when EVM exits a scope, even if the scope didn't
-// execute any code.
-func (t *prestateTracer) CaptureExit(output []byte, gasUsed uint64, err error) {
+		if newBalance.Cmp(t.pre[addr].Balance) != 0 {
+			modified = true
+			postAccount.Balance = newBalance
+		}
+		if newNonce != t.pre[addr].Nonce {
+			modified = true
+			postAccount.Nonce = newNonce
+		}
+		if !bytes.Equal(newCode, t.pre[addr].Code) {
+			modified = true
+			postAccount.Code = newCode
+		}
+
+		for key, val := range state.Storage {
+			// don't include the empty slot
+			if val == (common.Hash{}) {
+				delete(t.pre[addr].Storage, key)
+			}
+
+			newVal := t.env.StateDB.GetState(addr, key)
+			if val == newVal {
+				// Omit unchanged slots
+				delete(t.pre[addr].Storage, key)
+			} else {
+				modified = true
+				if newVal != (common.Hash{}) {
+					postAccount.Storage[key] = newVal
+				}
+			}
+		}
+
+		if modified {
+			t.post[addr] = postAccount
+		} else {
+			// if state is not modified, then no need to include into the pre state
+			delete(t.pre, addr)
+		}
+	}
+	// the new created contracts' prestate were empty, so delete them
+	for a := range t.created {
+		// the created contract maybe exists in statedb before the creating tx
+		if s := t.pre[a]; s != nil && !s.exists() {
+			delete(t.pre, a)
+		}
+	}
 }
 
 // GetResult returns the json-encoded nested list of call traces, and any
 // error arising from the encoding or forceful termination (via `Stop`).
 func (t *prestateTracer) GetResult() (json.RawMessage, error) {
-	res, err := json.Marshal(t.prestate)
+	var res []byte
+	var err error
+	if t.config.DiffMode {
+		res, err = json.Marshal(struct {
+			Post state `json:"post"`
+			Pre  state `json:"pre"`
+		}{t.post, t.pre})
+	} else {
+		res, err = json.Marshal(t.pre)
+	}
 	if err != nil {
 		return nil, err
 	}
@@ -166,13 +272,14 @@ func (t *prestateTracer) Stop(err error) {
 // lookupAccount fetches details of an account and adds it to the prestate
 // if it doesn't exist there.
 func (t *prestateTracer) lookupAccount(addr common.Address) {
-	if _, ok := t.prestate[addr]; ok {
+	if _, ok := t.pre[addr]; ok {
 		return
 	}
-	t.prestate[addr] = &account{
-		Balance: bigToHex(t.env.StateDB.GetBalance(addr)),
+
+	t.pre[addr] = &account{
+		Balance: t.env.StateDB.GetBalance(addr),
 		Nonce:   t.env.StateDB.GetNonce(addr),
-		Code:    bytesToHex(t.env.StateDB.GetCode(addr)),
+		Code:    t.env.StateDB.GetCode(addr),
 		Storage: make(map[common.Hash]common.Hash),
 	}
 }
@@ -181,8 +288,8 @@ func (t *prestateTracer) lookupAccount(addr common.Address) {
 // it to the prestate of the given contract. It assumes `lookupAccount`
 // has been performed on the contract before.
 func (t *prestateTracer) lookupStorage(addr common.Address, key common.Hash) {
-	if _, ok := t.prestate[addr].Storage[key]; ok {
+	if _, ok := t.pre[addr].Storage[key]; ok {
 		return
 	}
-	t.prestate[addr].Storage[key] = t.env.StateDB.GetState(addr, key)
+	t.pre[addr].Storage[key] = t.env.StateDB.GetState(addr, key)
 }
diff --git a/eth/tracers/native/revertreason.go b/eth/tracers/native/revertreason.go
deleted file mode 100644
index 173e824014..0000000000
--- a/eth/tracers/native/revertreason.go
+++ /dev/null
@@ -1,119 +0,0 @@
-// (c) 2022, Ava Labs, Inc.
-//
-// This file is a derived work, based on the go-ethereum library whose original
-// notices appear below.
-//
-// It is distributed under a license compatible with the licensing terms of the
-// original code from which it is derived.
-//
-// Much love to the original authors for their work.
-// **********
-// Copyright 2022 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package native
-
-import (
-	"bytes"
-	"encoding/json"
-	"math/big"
-	"sync/atomic"
-	"time"
-
-	"github.com/ava-labs/subnet-evm/accounts/abi"
-	"github.com/ava-labs/subnet-evm/core/vm"
-	"github.com/ava-labs/subnet-evm/eth/tracers"
-	"github.com/ava-labs/subnet-evm/vmerrs"
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/crypto"
-)
-
-func init() {
-	register("revertReasonTracer", newRevertReasonTracer)
-}
-
-var revertSelector = crypto.Keccak256([]byte("Error(string)"))[:4]
-
-// revertReasonTracer is a go implementation of the Tracer interface which
-// track the error message or revert reason return by the contract.
-type revertReasonTracer struct {
-	env          *vm.EVM
-	revertReason string // The revert reason return from the tx, if tx success, empty string return
-	interrupt    uint32 // Atomic flag to signal execution interruption
-	reason       error  // Textual reason for the interruption
-}
-
-// newRevertReasonTracer returns a new revert reason tracer.
-func newRevertReasonTracer(_ *tracers.Context, _ json.RawMessage) (tracers.Tracer, error) {
-	return &revertReasonTracer{}, nil
-}
-
-// CaptureStart implements the EVMLogger interface to initialize the tracing operation.
-func (t *revertReasonTracer) CaptureStart(env *vm.EVM, _ common.Address, _ common.Address, _ bool, _ []byte, _ uint64, _ *big.Int) {
-	t.env = env
-}
-
-// CaptureEnd is called after the call finishes to finalize the tracing.
-func (t *revertReasonTracer) CaptureEnd(output []byte, _ uint64, _ time.Duration, err error) {
-	if err != nil {
-		if err == vmerrs.ErrExecutionReverted && len(output) > 4 && bytes.Equal(output[:4], revertSelector) {
-			errMsg, _ := abi.UnpackRevert(output)
-			t.revertReason = err.Error() + ": " + errMsg
-		} else {
-			t.revertReason = err.Error()
-		}
-	}
-}
-
-// CaptureState implements the EVMLogger interface to trace a single step of VM execution.
-func (t *revertReasonTracer) CaptureState(_ uint64, _ vm.OpCode, _, _ uint64, _ *vm.ScopeContext, _ []byte, _ int, _ error) {
-}
-
-// CaptureFault implements the EVMLogger interface to trace an execution fault.
-func (t *revertReasonTracer) CaptureFault(_ uint64, _ vm.OpCode, _, _ uint64, _ *vm.ScopeContext, _ int, _ error) {
-}
-
-// CaptureEnter is called when EVM enters a new scope (via call, create or selfdestruct).
-func (t *revertReasonTracer) CaptureEnter(_ vm.OpCode, _ common.Address, _ common.Address, _ []byte, _ uint64, _ *big.Int) {
-	// Skip if tracing was interrupted
-	if atomic.LoadUint32(&t.interrupt) > 0 {
-		t.env.Cancel()
-		return
-	}
-}
-
-// CaptureExit is called when EVM exits a scope, even if the scope didn't
-// execute any code.
-func (t *revertReasonTracer) CaptureExit(_ []byte, _ uint64, _ error) {}
-
-func (t *revertReasonTracer) CaptureTxStart(_ uint64) {}
-
-func (t *revertReasonTracer) CaptureTxEnd(_ uint64) {}
-
-// GetResult returns an error message json object.
-func (t *revertReasonTracer) GetResult() (json.RawMessage, error) {
-	res, err := json.Marshal(t.revertReason)
-	if err != nil {
-		return nil, err
-	}
-	return res, t.reason
-}
-
-// Stop terminates execution of the tracer at the first opportune moment.
-func (t *revertReasonTracer) Stop(err error) {
-	t.reason = err
-	atomic.StoreUint32(&t.interrupt, 1)
-}
diff --git a/eth/tracers/native/tracer.go b/eth/tracers/native/tracer.go
deleted file mode 100644
index 91bcfd5450..0000000000
--- a/eth/tracers/native/tracer.go
+++ /dev/null
@@ -1,95 +0,0 @@
-// (c) 2020-2021, Ava Labs, Inc.
-//
-// This file is a derived work, based on the go-ethereum library whose original
-// notices appear below.
-//
-// It is distributed under a license compatible with the licensing terms of the
-// original code from which it is derived.
-//
-// Much love to the original authors for their work.
-// **********
-// Copyright 2021 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-/*
-Package native is a collection of tracers written in go.
-
-In order to add a native tracer and have it compiled into the binary, a new
-file needs to be added to this folder, containing an implementation of the
-`eth.tracers.Tracer` interface.
-
-Aside from implementing the tracer, it also needs to register itself, using the
-`register` method -- and this needs to be done in the package initialization.
-
-Example:
-
-```golang
-
-	func init() {
-		register("noopTracerNative", newNoopTracer)
-	}
-
-```
-*/
-package native
-
-import (
-	"encoding/json"
-	"errors"
-
-	"github.com/ava-labs/subnet-evm/eth/tracers"
-)
-
-// init registers itself this packages as a lookup for tracers.
-func init() {
-	tracers.RegisterLookup(false, lookup)
-}
-
-// ctorFn is the constructor signature of a native tracer.
-type ctorFn = func(*tracers.Context, json.RawMessage) (tracers.Tracer, error)
-
-/*
-ctors is a map of package-local tracer constructors.
-
-We cannot be certain about the order of init-functions within a package,
-The go spec (https://golang.org/ref/spec#Package_initialization) says
-
-> To ensure reproducible initialization behavior, build systems
-> are encouraged to present multiple files belonging to the same
-> package in lexical file name order to a compiler.
-
-Hence, we cannot make the map in init, but must make it upon first use.
-*/
-var ctors map[string]ctorFn
-
-// register is used by native tracers to register their presence.
-func register(name string, ctor ctorFn) {
-	if ctors == nil {
-		ctors = make(map[string]ctorFn)
-	}
-	ctors[name] = ctor
-}
-
-// lookup returns a tracer, if one can be matched to the given name.
-func lookup(name string, ctx *tracers.Context, cfg json.RawMessage) (tracers.Tracer, error) {
-	if ctors == nil {
-		ctors = make(map[string]ctorFn)
-	}
-	if ctor, ok := ctors[name]; ok {
-		return ctor(ctx, cfg)
-	}
-	return nil, errors.New("no tracer found")
-}
diff --git a/eth/tracers/tracers.go b/eth/tracers/tracers.go
index 0bf8da53f9..c7629edecb 100644
--- a/eth/tracers/tracers.go
+++ b/eth/tracers/tracers.go
@@ -19,7 +19,7 @@ package tracers
 
 import (
 	"encoding/json"
-	"errors"
+	"math/big"
 
 	"github.com/ava-labs/subnet-evm/core/vm"
 	"github.com/ethereum/go-ethereum/common"
@@ -28,9 +28,10 @@ import (
 // Context contains some contextual infos for a transaction execution that is not
 // available from within the EVM object.
 type Context struct {
-	BlockHash common.Hash // Hash of the block the tx is contained within (zero if dangling tx or call)
-	TxIndex   int         // Index of the transaction within a block (zero if dangling tx or call)
-	TxHash    common.Hash // Hash of the transaction being traced (zero if dangling call)
+	BlockHash   common.Hash // Hash of the block the tx is contained within (zero if dangling tx or call)
+	BlockNumber *big.Int    // Number of the block the tx is contained within (zero if dangling tx or call)
+	TxIndex     int         // Index of the transaction within a block (zero if dangling tx or call)
+	TxHash      common.Hash // Hash of the transaction being traced (zero if dangling call)
 }
 
 // Tracer interface extends vm.EVMLogger and additionally
@@ -42,31 +43,55 @@ type Tracer interface {
 	Stop(err error)
 }
 
-type lookupFunc func(string, *Context, json.RawMessage) (Tracer, error)
+type ctorFn func(*Context, json.RawMessage) (Tracer, error)
+type jsCtorFn func(string, *Context, json.RawMessage) (Tracer, error)
 
-var (
-	lookups []lookupFunc
-)
+type elem struct {
+	ctor ctorFn
+	isJS bool
+}
 
-// RegisterLookup registers a method as a lookup for tracers, meaning that
-// users can invoke a named tracer through that lookup. If 'wildcard' is true,
-// then the lookup will be placed last. This is typically meant for interpreted
-// engines (js) which can evaluate dynamic user-supplied code.
-func RegisterLookup(wildcard bool, lookup lookupFunc) {
-	if wildcard {
-		lookups = append(lookups, lookup)
-	} else {
-		lookups = append([]lookupFunc{lookup}, lookups...)
-	}
+// DefaultDirectory is the collection of tracers bundled by default.
+var DefaultDirectory = directory{elems: make(map[string]elem)}
+
+// directory provides functionality to lookup a tracer by name
+// and a function to instantiate it. It falls back to a JS code evaluator
+// if no tracer of the given name exists.
+type directory struct {
+	elems  map[string]elem
+	jsEval jsCtorFn
+}
+
+// Register registers a method as a lookup for tracers, meaning that
+// users can invoke a named tracer through that lookup.
+func (d *directory) Register(name string, f ctorFn, isJS bool) {
+	d.elems[name] = elem{ctor: f, isJS: isJS}
+}
+
+// RegisterJSEval registers a tracer that is able to parse
+// dynamic user-provided JS code.
+func (d *directory) RegisterJSEval(f jsCtorFn) {
+	d.jsEval = f
 }
 
 // New returns a new instance of a tracer, by iterating through the
-// registered lookups.
-func New(code string, ctx *Context, cfg json.RawMessage) (Tracer, error) {
-	for _, lookup := range lookups {
-		if tracer, err := lookup(code, ctx, cfg); err == nil {
-			return tracer, nil
-		}
+// registered lookups. Name is either name of an existing tracer
+// or an arbitrary JS code.
+func (d *directory) New(name string, ctx *Context, cfg json.RawMessage) (Tracer, error) {
+	if elem, ok := d.elems[name]; ok {
+		return elem.ctor(ctx, cfg)
+	}
+	// Assume JS code
+	return d.jsEval(name, ctx, cfg)
+}
+
+// IsJS will return true if the given tracer will evaluate
+// JS code. Because code evaluation has high overhead, this
+// info will be used in determining fast and slow code paths.
+func (d *directory) IsJS(name string) bool {
+	if elem, ok := d.elems[name]; ok {
+		return elem.isJS
 	}
-	return nil, errors.New("tracer not found")
+	// JS eval will execute JS code
+	return true
 }
diff --git a/eth/tracers/tracers_test.go b/eth/tracers/tracers_test.go
index 82de2a47e5..b91a99de91 100644
--- a/eth/tracers/tracers_test.go
+++ b/eth/tracers/tracers_test.go
@@ -66,7 +66,7 @@ func BenchmarkTransactionTrace(b *testing.B) {
 		Transfer:    core.Transfer,
 		Coinbase:    common.Address{},
 		BlockNumber: new(big.Int).SetUint64(uint64(5)),
-		Time:        new(big.Int).SetUint64(uint64(5)),
+		Time:        5,
 		Difficulty:  big.NewInt(0xffffffff),
 		GasLimit:    gas,
 		BaseFee:     big.NewInt(8),
@@ -98,7 +98,7 @@ func BenchmarkTransactionTrace(b *testing.B) {
 		//EnableReturnData: false,
 	})
 	evm := vm.NewEVM(context, txContext, statedb, params.TestChainConfig, vm.Config{Debug: true, Tracer: tracer})
-	msg, err := tx.AsMessage(signer, nil)
+	msg, err := core.TransactionToMessage(tx, signer, nil)
 	if err != nil {
 		b.Fatalf("failed to prepare transaction for tracing: %v", err)
 	}
diff --git a/eth/tracers/tracker.go b/eth/tracers/tracker.go
new file mode 100644
index 0000000000..ead14cf37b
--- /dev/null
+++ b/eth/tracers/tracker.go
@@ -0,0 +1,119 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package tracers
+
+import (
+	"fmt"
+	"sync"
+)
+
+// stateTracker is an auxiliary tool used to cache the release functions of all
+// used trace states, and to determine whether the creation of trace state needs
+// to be paused in case there are too many states waiting for tracing.
+type stateTracker struct {
+	limit    int                // Maximum number of states allowed waiting for tracing
+	oldest   uint64             // The number of the oldest state which is still using for trace
+	used     []bool             // List of flags indicating whether the trace state has been used up
+	releases []StateReleaseFunc // List of trace state release functions waiting to be called
+	cond     *sync.Cond
+	lock     *sync.RWMutex
+}
+
+// newStateTracker initializes the tracker with provided state limits and
+// the number of the first state that will be used.
+func newStateTracker(limit int, oldest uint64) *stateTracker {
+	lock := new(sync.RWMutex)
+	return &stateTracker{
+		limit:  limit,
+		oldest: oldest,
+		used:   make([]bool, limit),
+		cond:   sync.NewCond(lock),
+		lock:   lock,
+	}
+}
+
+// releaseState marks the state specified by the number as released and caches
+// the corresponding release functions internally.
+func (t *stateTracker) releaseState(number uint64, release StateReleaseFunc) {
+	t.lock.Lock()
+	defer t.lock.Unlock()
+
+	// Set the state as used, the corresponding flag is indexed by
+	// the distance between the specified state and the oldest state
+	// which is still using for trace.
+	t.used[int(number-t.oldest)] = true
+
+	// If the oldest state is used up, update the oldest marker by moving
+	// it to the next state which is not used up.
+	if number == t.oldest {
+		var count int
+		for _, used := range t.used {
+			if !used {
+				break
+			}
+			count += 1
+		}
+		t.oldest += uint64(count)
+		copy(t.used, t.used[count:])
+
+		// Clean up the array tail since they are useless now.
+		for i := t.limit - count; i < t.limit; i++ {
+			t.used[i] = false
+		}
+		// Fire the signal to all waiters that oldest marker is updated.
+		t.cond.Broadcast()
+	}
+	t.releases = append(t.releases, release)
+}
+
+// callReleases invokes all cached release functions.
+func (t *stateTracker) callReleases() {
+	t.lock.Lock()
+	defer t.lock.Unlock()
+
+	for _, release := range t.releases {
+		release()
+	}
+	t.releases = t.releases[:0]
+}
+
+// wait blocks until the accumulated trace states are less than the limit.
+func (t *stateTracker) wait(number uint64) error {
+	t.lock.Lock()
+	defer t.lock.Unlock()
+
+	for {
+		if number < t.oldest {
+			return fmt.Errorf("invalid state number %d head %d", number, t.oldest)
+		}
+		if number < t.oldest+uint64(t.limit) {
+			// number is now within limit, wait over
+			return nil
+		}
+		t.cond.Wait()
+	}
+}
diff --git a/eth/tracers/tracker_test.go b/eth/tracers/tracker_test.go
new file mode 100644
index 0000000000..cd0ce3a89b
--- /dev/null
+++ b/eth/tracers/tracker_test.go
@@ -0,0 +1,181 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>
+
+package tracers
+
+import (
+	"reflect"
+	"testing"
+	"time"
+)
+
+func TestTracker(t *testing.T) {
+	var cases = []struct {
+		limit   int
+		calls   []uint64
+		expHead uint64
+	}{
+		// Release in order
+		{
+			limit:   3,
+			calls:   []uint64{0, 1, 2},
+			expHead: 3,
+		},
+		{
+			limit:   3,
+			calls:   []uint64{0, 1, 2, 3, 4, 5},
+			expHead: 6,
+		},
+
+		// Release out of order
+		{
+			limit:   3,
+			calls:   []uint64{1, 2, 0},
+			expHead: 3,
+		},
+		{
+			limit:   3,
+			calls:   []uint64{1, 2, 0, 5, 4, 3},
+			expHead: 6,
+		},
+	}
+	for _, c := range cases {
+		tracker := newStateTracker(c.limit, 0)
+		for _, call := range c.calls {
+			tracker.releaseState(call, func() {})
+		}
+		tracker.lock.RLock()
+		head := tracker.oldest
+		tracker.lock.RUnlock()
+
+		if head != c.expHead {
+			t.Fatalf("Unexpected head want %d got %d", c.expHead, head)
+		}
+	}
+
+	var calls = []struct {
+		number  uint64
+		expUsed []bool
+		expHead uint64
+	}{
+		// Release the first one, update the oldest flag
+		{
+			number:  0,
+			expUsed: []bool{false, false, false, false, false},
+			expHead: 1,
+		},
+		// Release the second one, oldest shouldn't be updated
+		{
+			number:  2,
+			expUsed: []bool{false, true, false, false, false},
+			expHead: 1,
+		},
+		// Release the forth one, oldest shouldn't be updated
+		{
+			number:  4,
+			expUsed: []bool{false, true, false, true, false},
+			expHead: 1,
+		},
+		// Release the first one, the first two should all be cleaned,
+		// and the remaining flags should all be left-shifted.
+		{
+			number:  1,
+			expUsed: []bool{false, true, false, false, false},
+			expHead: 3,
+		},
+		// Release the first one, the first two should all be cleaned
+		{
+			number:  3,
+			expUsed: []bool{false, false, false, false, false},
+			expHead: 5,
+		},
+	}
+	tracker := newStateTracker(5, 0) // limit = 5, oldest = 0
+	for _, call := range calls {
+		tracker.releaseState(call.number, nil)
+		tracker.lock.RLock()
+		if !reflect.DeepEqual(tracker.used, call.expUsed) {
+			t.Fatalf("Unexpected used array")
+		}
+		if tracker.oldest != call.expHead {
+			t.Fatalf("Unexpected head")
+		}
+		tracker.lock.RUnlock()
+	}
+}
+
+func TestTrackerWait(t *testing.T) {
+	var (
+		tracker = newStateTracker(5, 0) // limit = 5, oldest = 0
+		result  = make(chan error, 1)
+		doCall  = func(number uint64) {
+			go func() {
+				result <- tracker.wait(number)
+			}()
+		}
+		checkNoWait = func() {
+			select {
+			case <-result:
+				return
+			case <-time.NewTimer(time.Second).C:
+				t.Fatal("No signal fired")
+			}
+		}
+		checkWait = func() {
+			select {
+			case <-result:
+				t.Fatal("Unexpected signal")
+			case <-time.NewTimer(time.Millisecond * 100).C:
+			}
+		}
+	)
+	// States [0, 5) should all be available
+	doCall(0)
+	checkNoWait()
+
+	doCall(4)
+	checkNoWait()
+
+	// State 5 is not available
+	doCall(5)
+	checkWait()
+
+	// States [1, 6) are available
+	tracker.releaseState(0, nil)
+	checkNoWait()
+
+	// States [1, 6) are available
+	doCall(7)
+	checkWait()
+
+	// States [2, 7) are available
+	tracker.releaseState(1, nil)
+	checkWait()
+
+	// States [3, 8) are available
+	tracker.releaseState(2, nil)
+	checkNoWait()
+}
diff --git a/ethclient/ethclient.go b/ethclient/ethclient.go
index b46118eb0c..1e907b04fd 100644
--- a/ethclient/ethclient.go
+++ b/ethclient/ethclient.go
@@ -180,15 +180,19 @@ func (ec *client) getBlock(ctx context.Context, method string, args ...interface
 	err := ec.c.CallContext(ctx, &raw, method, args...)
 	if err != nil {
 		return nil, err
-	} else if len(raw) == 0 {
-		return nil, interfaces.NotFound
 	}
+
 	// Decode header and transactions.
 	var head *types.Header
-	var body rpcBlock
 	if err := json.Unmarshal(raw, &head); err != nil {
 		return nil, err
 	}
+	// When the block is not found, the API returns JSON null.
+	if head == nil {
+		return nil, interfaces.NotFound
+	}
+
+	var body rpcBlock
 	if err := json.Unmarshal(raw, &body); err != nil {
 		return nil, err
 	}
@@ -199,10 +203,10 @@ func (ec *client) getBlock(ctx context.Context, method string, args ...interface
 	if head.UncleHash != types.EmptyUncleHash && len(body.UncleHashes) == 0 {
 		return nil, fmt.Errorf("server returned empty uncle list but block header indicates uncles")
 	}
-	if head.TxHash == types.EmptyRootHash && len(body.Transactions) > 0 {
+	if head.TxHash == types.EmptyTxsHash && len(body.Transactions) > 0 {
 		return nil, fmt.Errorf("server returned non-empty transaction list but block header indicates no transactions")
 	}
-	if head.TxHash != types.EmptyRootHash && len(body.Transactions) == 0 {
+	if head.TxHash != types.EmptyTxsHash && len(body.Transactions) == 0 {
 		return nil, fmt.Errorf("server returned empty transaction list but block header indicates transactions")
 	}
 	// Load uncles because they are not included in the block response.
@@ -384,7 +388,7 @@ func (ec *client) SubscribeNewAcceptedTransactions(ctx context.Context, ch chan<
 	return ec.c.EthSubscribe(ctx, ch, "newAcceptedTransactions")
 }
 
-// SubscribeNewAcceptedTransactions subscribes to notifications about the accepted transaction hashes on the given channel.
+// SubscribeNewPendingTransactions subscribes to notifications about the pending transaction hashes on the given channel.
 func (ec *client) SubscribeNewPendingTransactions(ctx context.Context, ch chan<- *common.Hash) (interfaces.Subscription, error) {
 	return ec.c.EthSubscribe(ctx, ch, "newPendingTransactions")
 }
@@ -397,7 +401,7 @@ func (ec *client) SubscribeNewHead(ctx context.Context, ch chan<- *types.Header)
 
 // State Access
 
-// NetworkID returns the network ID (also known as the chain ID) for this chain.
+// NetworkID returns the network ID for this client.
 func (ec *client) NetworkID(ctx context.Context) (*big.Int, error) {
 	version := new(big.Int)
 	var ver string
@@ -632,12 +636,12 @@ func ToBlockNumArg(number *big.Int) string {
 	// negative numbers to special strings (latest, pending) then is
 	// used on its server side. See rpc/types.go for the comparison.
 	// In Subnet EVM, latest, pending, and accepted are all treated the same
-	// therefore, if [number] is nil or a negative number in [-3, -1]
+	// therefore, if [number] is nil or a negative number in [-4, -1]
 	// we want the latest accepted block
 	if number == nil {
 		return "latest"
 	}
-	low := big.NewInt(-3)
+	low := big.NewInt(-4)
 	high := big.NewInt(-1)
 	if number.Cmp(low) >= 0 && number.Cmp(high) <= 0 {
 		return "latest"
diff --git a/ethdb/dbtest/testsuite.go b/ethdb/dbtest/testsuite.go
index 860fa27037..e7fc7ab5d9 100644
--- a/ethdb/dbtest/testsuite.go
+++ b/ethdb/dbtest/testsuite.go
@@ -28,6 +28,7 @@ package dbtest
 
 import (
 	"bytes"
+	"crypto/rand"
 	"reflect"
 	"sort"
 	"testing"
@@ -324,6 +325,101 @@ func TestDatabaseSuite(t *testing.T, New func() ethdb.KeyValueStore) {
 	})
 }
 
+// BenchDatabaseSuite runs a suite of benchmarks against a KeyValueStore database
+// implementation.
+func BenchDatabaseSuite(b *testing.B, New func() ethdb.KeyValueStore) {
+	var (
+		keys, vals   = makeDataset(1_000_000, 32, 32, false)
+		sKeys, sVals = makeDataset(1_000_000, 32, 32, true)
+	)
+	// Run benchmarks sequentially
+	b.Run("Write", func(b *testing.B) {
+		benchWrite := func(b *testing.B, keys, vals [][]byte) {
+			b.ResetTimer()
+			b.ReportAllocs()
+
+			db := New()
+			defer db.Close()
+
+			for i := 0; i < len(keys); i++ {
+				db.Put(keys[i], vals[i])
+			}
+		}
+		b.Run("WriteSorted", func(b *testing.B) {
+			benchWrite(b, sKeys, sVals)
+		})
+		b.Run("WriteRandom", func(b *testing.B) {
+			benchWrite(b, keys, vals)
+		})
+	})
+	b.Run("Read", func(b *testing.B) {
+		benchRead := func(b *testing.B, keys, vals [][]byte) {
+			db := New()
+			defer db.Close()
+
+			for i := 0; i < len(keys); i++ {
+				db.Put(keys[i], vals[i])
+			}
+			b.ResetTimer()
+			b.ReportAllocs()
+
+			for i := 0; i < len(keys); i++ {
+				db.Get(keys[i])
+			}
+		}
+		b.Run("ReadSorted", func(b *testing.B) {
+			benchRead(b, sKeys, sVals)
+		})
+		b.Run("ReadRandom", func(b *testing.B) {
+			benchRead(b, keys, vals)
+		})
+	})
+	b.Run("Iteration", func(b *testing.B) {
+		benchIteration := func(b *testing.B, keys, vals [][]byte) {
+			db := New()
+			defer db.Close()
+
+			for i := 0; i < len(keys); i++ {
+				db.Put(keys[i], vals[i])
+			}
+			b.ResetTimer()
+			b.ReportAllocs()
+
+			it := db.NewIterator(nil, nil)
+			for it.Next() {
+			}
+			it.Release()
+		}
+		b.Run("IterationSorted", func(b *testing.B) {
+			benchIteration(b, sKeys, sVals)
+		})
+		b.Run("IterationRandom", func(b *testing.B) {
+			benchIteration(b, keys, vals)
+		})
+	})
+	b.Run("BatchWrite", func(b *testing.B) {
+		benchBatchWrite := func(b *testing.B, keys, vals [][]byte) {
+			b.ResetTimer()
+			b.ReportAllocs()
+
+			db := New()
+			defer db.Close()
+
+			batch := db.NewBatch()
+			for i := 0; i < len(keys); i++ {
+				batch.Put(keys[i], vals[i])
+			}
+			batch.Write()
+		}
+		b.Run("BenchWriteSorted", func(b *testing.B) {
+			benchBatchWrite(b, sKeys, sVals)
+		})
+		b.Run("BenchWriteRandom", func(b *testing.B) {
+			benchBatchWrite(b, keys, vals)
+		})
+	})
+}
+
 func iterateKeys(it ethdb.Iterator) []string {
 	keys := []string{}
 	for it.Next() {
@@ -333,3 +429,25 @@ func iterateKeys(it ethdb.Iterator) []string {
 	it.Release()
 	return keys
 }
+
+// randomHash generates a random blob of data and returns it as a hash.
+func randBytes(len int) []byte {
+	buf := make([]byte, len)
+	if n, err := rand.Read(buf); n != len || err != nil {
+		panic(err)
+	}
+	return buf
+}
+
+func makeDataset(size, ksize, vsize int, order bool) ([][]byte, [][]byte) {
+	var keys [][]byte
+	var vals [][]byte
+	for i := 0; i < size; i += 1 {
+		keys = append(keys, randBytes(ksize))
+		vals = append(vals, randBytes(vsize))
+	}
+	if order {
+		sort.Slice(keys, func(i, j int) bool { return bytes.Compare(keys[i], keys[j]) < 0 })
+	}
+	return keys, vals
+}
diff --git a/ethdb/leveldb/leveldb.go b/ethdb/leveldb/leveldb.go
index 79584064ee..3ffe3f3b2b 100644
--- a/ethdb/leveldb/leveldb.go
+++ b/ethdb/leveldb/leveldb.go
@@ -73,18 +73,19 @@ type Database struct {
 	fn string      // filename for reporting
 	db *leveldb.DB // LevelDB instance
 
-	compTimeMeter      metrics.Meter // Meter for measuring the total time spent in database compaction
-	compReadMeter      metrics.Meter // Meter for measuring the data read during compaction
-	compWriteMeter     metrics.Meter // Meter for measuring the data written during compaction
-	writeDelayNMeter   metrics.Meter // Meter for measuring the write delay number due to database compaction
-	writeDelayMeter    metrics.Meter // Meter for measuring the write delay duration due to database compaction
-	diskSizeGauge      metrics.Gauge // Gauge for tracking the size of all the levels in the database
-	diskReadMeter      metrics.Meter // Meter for measuring the effective amount of data read
-	diskWriteMeter     metrics.Meter // Meter for measuring the effective amount of data written
-	memCompGauge       metrics.Gauge // Gauge for tracking the number of memory compaction
-	level0CompGauge    metrics.Gauge // Gauge for tracking the number of table compaction in level0
-	nonlevel0CompGauge metrics.Gauge // Gauge for tracking the number of table compaction in non0 level
-	seekCompGauge      metrics.Gauge // Gauge for tracking the number of table compaction caused by read opt
+	compTimeMeter       metrics.Meter // Meter for measuring the total time spent in database compaction
+	compReadMeter       metrics.Meter // Meter for measuring the data read during compaction
+	compWriteMeter      metrics.Meter // Meter for measuring the data written during compaction
+	writeDelayNMeter    metrics.Meter // Meter for measuring the write delay number due to database compaction
+	writeDelayMeter     metrics.Meter // Meter for measuring the write delay duration due to database compaction
+	diskSizeGauge       metrics.Gauge // Gauge for tracking the size of all the levels in the database
+	diskReadMeter       metrics.Meter // Meter for measuring the effective amount of data read
+	diskWriteMeter      metrics.Meter // Meter for measuring the effective amount of data written
+	memCompGauge        metrics.Gauge // Gauge for tracking the number of memory compaction
+	level0CompGauge     metrics.Gauge // Gauge for tracking the number of table compaction in level0
+	nonlevel0CompGauge  metrics.Gauge // Gauge for tracking the number of table compaction in non0 level
+	seekCompGauge       metrics.Gauge // Gauge for tracking the number of table compaction caused by read opt
+	manualMemAllocGauge metrics.Gauge // Gauge to track the amount of memory that has been manually allocated (not a part of runtime/GC)
 
 	quitLock sync.Mutex      // Mutex protecting the quit channel access
 	quitChan chan chan error // Quit channel to stop the metrics collection before closing the database
@@ -153,6 +154,7 @@ func NewCustom(file string, namespace string, customize func(options *opt.Option
 	ldb.level0CompGauge = metrics.NewRegisteredGauge(namespace+"compact/level0", nil)
 	ldb.nonlevel0CompGauge = metrics.NewRegisteredGauge(namespace+"compact/nonlevel0", nil)
 	ldb.seekCompGauge = metrics.NewRegisteredGauge(namespace+"compact/seek", nil)
+	ldb.manualMemAllocGauge = metrics.NewRegisteredGauge(namespace+"memory/manualalloc", nil)
 
 	// Start up the metrics gathering and return
 	go ldb.meter(metricsGatheringInterval)
diff --git a/ethdb/leveldb/leveldb_test.go b/ethdb/leveldb/leveldb_test.go
index ec599b3c07..877112fd76 100644
--- a/ethdb/leveldb/leveldb_test.go
+++ b/ethdb/leveldb/leveldb_test.go
@@ -48,3 +48,15 @@ func TestLevelDB(t *testing.T) {
 		})
 	})
 }
+
+func BenchmarkLevelDB(b *testing.B) {
+	dbtest.BenchDatabaseSuite(b, func() ethdb.KeyValueStore {
+		db, err := leveldb.Open(storage.NewMemStorage(), nil)
+		if err != nil {
+			b.Fatal(err)
+		}
+		return &Database{
+			db: db,
+		}
+	})
+}
diff --git a/ethdb/pebble/pebble.go b/ethdb/pebble/pebble.go
new file mode 100644
index 0000000000..4eb1759b59
--- /dev/null
+++ b/ethdb/pebble/pebble.go
@@ -0,0 +1,596 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2023 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+//go:build (arm64 || amd64) && !openbsd
+
+// Package pebble implements the key-value database layer based on pebble.
+package pebble
+
+import (
+	"bytes"
+	"fmt"
+	"runtime"
+	"sync"
+	"sync/atomic"
+	"time"
+
+	"github.com/ava-labs/subnet-evm/ethdb"
+	"github.com/ava-labs/subnet-evm/metrics"
+	"github.com/cockroachdb/pebble"
+	"github.com/cockroachdb/pebble/bloom"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/log"
+)
+
+const (
+	// minCache is the minimum amount of memory in megabytes to allocate to pebble
+	// read and write caching, split half and half.
+	minCache = 16
+
+	// minHandles is the minimum number of files handles to allocate to the open
+	// database files.
+	minHandles = 16
+
+	// metricsGatheringInterval specifies the interval to retrieve pebble database
+	// compaction, io and pause stats to report to the user.
+	metricsGatheringInterval = 3 * time.Second
+)
+
+// Database is a persistent key-value store based on the pebble storage engine.
+// Apart from basic data storage functionality it also supports batch writes and
+// iterating over the keyspace in binary-alphabetical order.
+type Database struct {
+	fn string     // filename for reporting
+	db *pebble.DB // Underlying pebble storage engine
+
+	compTimeMeter       metrics.Meter // Meter for measuring the total time spent in database compaction
+	compReadMeter       metrics.Meter // Meter for measuring the data read during compaction
+	compWriteMeter      metrics.Meter // Meter for measuring the data written during compaction
+	writeDelayNMeter    metrics.Meter // Meter for measuring the write delay number due to database compaction
+	writeDelayMeter     metrics.Meter // Meter for measuring the write delay duration due to database compaction
+	diskSizeGauge       metrics.Gauge // Gauge for tracking the size of all the levels in the database
+	diskReadMeter       metrics.Meter // Meter for measuring the effective amount of data read
+	diskWriteMeter      metrics.Meter // Meter for measuring the effective amount of data written
+	memCompGauge        metrics.Gauge // Gauge for tracking the number of memory compaction
+	level0CompGauge     metrics.Gauge // Gauge for tracking the number of table compaction in level0
+	nonlevel0CompGauge  metrics.Gauge // Gauge for tracking the number of table compaction in non0 level
+	seekCompGauge       metrics.Gauge // Gauge for tracking the number of table compaction caused by read opt
+	manualMemAllocGauge metrics.Gauge // Gauge for tracking amount of non-managed memory currently allocated
+
+	quitLock sync.Mutex      // Mutex protecting the quit channel access
+	quitChan chan chan error // Quit channel to stop the metrics collection before closing the database
+
+	log log.Logger // Contextual logger tracking the database path
+
+	activeComp          int       // Current number of active compactions
+	compStartTime       time.Time // The start time of the earliest currently-active compaction
+	compTime            int64     // Total time spent in compaction in ns
+	level0Comp          uint32    // Total number of level-zero compactions
+	nonLevel0Comp       uint32    // Total number of non level-zero compactions
+	writeDelayStartTime time.Time // The start time of the latest write stall
+	writeDelayCount     int64     // Total number of write stall counts
+	writeDelayTime      int64     // Total time spent in write stalls
+}
+
+func (d *Database) onCompactionBegin(info pebble.CompactionInfo) {
+	if d.activeComp == 0 {
+		d.compStartTime = time.Now()
+	}
+	l0 := info.Input[0]
+	if l0.Level == 0 {
+		atomic.AddUint32(&d.level0Comp, 1)
+	} else {
+		atomic.AddUint32(&d.nonLevel0Comp, 1)
+	}
+	d.activeComp++
+}
+
+func (d *Database) onCompactionEnd(info pebble.CompactionInfo) {
+	if d.activeComp == 1 {
+		atomic.AddInt64(&d.compTime, int64(time.Since(d.compStartTime)))
+	} else if d.activeComp == 0 {
+		panic("should not happen")
+	}
+	d.activeComp--
+}
+
+func (d *Database) onWriteStallBegin(b pebble.WriteStallBeginInfo) {
+	d.writeDelayStartTime = time.Now()
+}
+
+func (d *Database) onWriteStallEnd() {
+	atomic.AddInt64(&d.writeDelayTime, int64(time.Since(d.writeDelayStartTime)))
+}
+
+// New returns a wrapped pebble DB object. The namespace is the prefix that the
+// metrics reporting should use for surfacing internal stats.
+func New(file string, cache int, handles int, namespace string, readonly bool) (*Database, error) {
+	// Ensure we have some minimal caching and file guarantees
+	if cache < minCache {
+		cache = minCache
+	}
+	if handles < minHandles {
+		handles = minHandles
+	}
+	logger := log.New("database", file)
+	logger.Info("Allocated cache and file handles", "cache", common.StorageSize(cache*1024*1024), "handles", handles)
+
+	// The max memtable size is limited by the uint32 offsets stored in
+	// internal/arenaskl.node, DeferredBatchOp, and flushableBatchEntry.
+	// Taken from https://github.com/cockroachdb/pebble/blob/master/open.go#L38
+	maxMemTableSize := 4<<30 - 1 // Capped by 4 GB
+
+	// Two memory tables is configured which is identical to leveldb,
+	// including a frozen memory table and another live one.
+	memTableLimit := 2
+	memTableSize := cache * 1024 * 1024 / 2 / memTableLimit
+	if memTableSize > maxMemTableSize {
+		memTableSize = maxMemTableSize
+	}
+	db := &Database{
+		fn:       file,
+		log:      logger,
+		quitChan: make(chan chan error),
+	}
+	opt := &pebble.Options{
+		// Pebble has a single combined cache area and the write
+		// buffers are taken from this too. Assign all available
+		// memory allowance for cache.
+		Cache:        pebble.NewCache(int64(cache * 1024 * 1024)),
+		MaxOpenFiles: handles,
+
+		// The size of memory table(as well as the write buffer).
+		// Note, there may have more than two memory tables in the system.
+		MemTableSize: memTableSize,
+
+		// MemTableStopWritesThreshold places a hard limit on the size
+		// of the existent MemTables(including the frozen one).
+		// Note, this must be the number of tables not the size of all memtables
+		// according to https://github.com/cockroachdb/pebble/blob/master/options.go#L738-L742
+		// and to https://github.com/cockroachdb/pebble/blob/master/db.go#L1892-L1903.
+		MemTableStopWritesThreshold: memTableLimit,
+
+		// The default compaction concurrency(1 thread),
+		// Here use all available CPUs for faster compaction.
+		MaxConcurrentCompactions: func() int { return runtime.NumCPU() },
+
+		// Per-level options. Options for at least one level must be specified. The
+		// options for the last level are used for all subsequent levels.
+		Levels: []pebble.LevelOptions{
+			{TargetFileSize: 2 * 1024 * 1024, FilterPolicy: bloom.FilterPolicy(10)},
+			{TargetFileSize: 2 * 1024 * 1024, FilterPolicy: bloom.FilterPolicy(10)},
+			{TargetFileSize: 2 * 1024 * 1024, FilterPolicy: bloom.FilterPolicy(10)},
+			{TargetFileSize: 2 * 1024 * 1024, FilterPolicy: bloom.FilterPolicy(10)},
+			{TargetFileSize: 2 * 1024 * 1024, FilterPolicy: bloom.FilterPolicy(10)},
+			{TargetFileSize: 2 * 1024 * 1024, FilterPolicy: bloom.FilterPolicy(10)},
+			{TargetFileSize: 2 * 1024 * 1024, FilterPolicy: bloom.FilterPolicy(10)},
+		},
+		ReadOnly: readonly,
+		EventListener: &pebble.EventListener{
+			CompactionBegin: db.onCompactionBegin,
+			CompactionEnd:   db.onCompactionEnd,
+			WriteStallBegin: db.onWriteStallBegin,
+			WriteStallEnd:   db.onWriteStallEnd,
+		},
+	}
+	// Disable seek compaction explicitly. Check https://github.com/ethereum/go-ethereum/pull/20130
+	// for more details.
+	opt.Experimental.ReadSamplingMultiplier = -1
+
+	// Open the db and recover any potential corruptions
+	innerDB, err := pebble.Open(file, opt)
+	if err != nil {
+		return nil, err
+	}
+	db.db = innerDB
+
+	db.compTimeMeter = metrics.NewRegisteredMeter(namespace+"compact/time", nil)
+	db.compReadMeter = metrics.NewRegisteredMeter(namespace+"compact/input", nil)
+	db.compWriteMeter = metrics.NewRegisteredMeter(namespace+"compact/output", nil)
+	db.diskSizeGauge = metrics.NewRegisteredGauge(namespace+"disk/size", nil)
+	db.diskReadMeter = metrics.NewRegisteredMeter(namespace+"disk/read", nil)
+	db.diskWriteMeter = metrics.NewRegisteredMeter(namespace+"disk/write", nil)
+	db.writeDelayMeter = metrics.NewRegisteredMeter(namespace+"compact/writedelay/duration", nil)
+	db.writeDelayNMeter = metrics.NewRegisteredMeter(namespace+"compact/writedelay/counter", nil)
+	db.memCompGauge = metrics.NewRegisteredGauge(namespace+"compact/memory", nil)
+	db.level0CompGauge = metrics.NewRegisteredGauge(namespace+"compact/level0", nil)
+	db.nonlevel0CompGauge = metrics.NewRegisteredGauge(namespace+"compact/nonlevel0", nil)
+	db.seekCompGauge = metrics.NewRegisteredGauge(namespace+"compact/seek", nil)
+	db.manualMemAllocGauge = metrics.NewRegisteredGauge(namespace+"memory/manualalloc", nil)
+
+	// Start up the metrics gathering and return
+	go db.meter(metricsGatheringInterval)
+	return db, nil
+}
+
+// Close stops the metrics collection, flushes any pending data to disk and closes
+// all io accesses to the underlying key-value store.
+func (d *Database) Close() error {
+	d.quitLock.Lock()
+	defer d.quitLock.Unlock()
+
+	if d.quitChan != nil {
+		errc := make(chan error)
+		d.quitChan <- errc
+		if err := <-errc; err != nil {
+			d.log.Error("Metrics collection failed", "err", err)
+		}
+		d.quitChan = nil
+	}
+	return d.db.Close()
+}
+
+// Has retrieves if a key is present in the key-value store.
+func (d *Database) Has(key []byte) (bool, error) {
+	_, closer, err := d.db.Get(key)
+	if err == pebble.ErrNotFound {
+		return false, nil
+	} else if err != nil {
+		return false, err
+	}
+	closer.Close()
+	return true, nil
+}
+
+// Get retrieves the given key if it's present in the key-value store.
+func (d *Database) Get(key []byte) ([]byte, error) {
+	dat, closer, err := d.db.Get(key)
+	if err != nil {
+		return nil, err
+	}
+	ret := make([]byte, len(dat))
+	copy(ret, dat)
+	closer.Close()
+	return ret, nil
+}
+
+// Put inserts the given value into the key-value store.
+func (d *Database) Put(key []byte, value []byte) error {
+	return d.db.Set(key, value, pebble.NoSync)
+}
+
+// Delete removes the key from the key-value store.
+func (d *Database) Delete(key []byte) error {
+	return d.db.Delete(key, nil)
+}
+
+// NewBatch creates a write-only key-value store that buffers changes to its host
+// database until a final write is called.
+func (d *Database) NewBatch() ethdb.Batch {
+	return &batch{
+		b: d.db.NewBatch(),
+	}
+}
+
+// NewBatchWithSize creates a write-only database batch with pre-allocated buffer.
+// It's not supported by pebble, but pebble has better memory allocation strategy
+// which turns out a lot faster than leveldb. It's performant enough to construct
+// batch object without any pre-allocated space.
+func (d *Database) NewBatchWithSize(_ int) ethdb.Batch {
+	return &batch{
+		b: d.db.NewBatch(),
+	}
+}
+
+// snapshot wraps a pebble snapshot for implementing the Snapshot interface.
+type snapshot struct {
+	db *pebble.Snapshot
+}
+
+// NewSnapshot creates a database snapshot based on the current state.
+// The created snapshot will not be affected by all following mutations
+// happened on the database.
+// Note don't forget to release the snapshot once it's used up, otherwise
+// the stale data will never be cleaned up by the underlying compactor.
+func (d *Database) NewSnapshot() (ethdb.Snapshot, error) {
+	snap := d.db.NewSnapshot()
+	return &snapshot{db: snap}, nil
+}
+
+// Has retrieves if a key is present in the snapshot backing by a key-value
+// data store.
+func (snap *snapshot) Has(key []byte) (bool, error) {
+	_, closer, err := snap.db.Get(key)
+	if err != nil {
+		if err != pebble.ErrNotFound {
+			return false, err
+		} else {
+			return false, nil
+		}
+	}
+	closer.Close()
+	return true, nil
+}
+
+// Get retrieves the given key if it's present in the snapshot backing by
+// key-value data store.
+func (snap *snapshot) Get(key []byte) ([]byte, error) {
+	dat, closer, err := snap.db.Get(key)
+	if err != nil {
+		return nil, err
+	}
+	ret := make([]byte, len(dat))
+	copy(ret, dat)
+	closer.Close()
+	return ret, nil
+}
+
+// Release releases associated resources. Release should always succeed and can
+// be called multiple times without causing error.
+func (snap *snapshot) Release() {
+	snap.db.Close()
+}
+
+// upperBound returns the upper bound for the given prefix
+func upperBound(prefix []byte) (limit []byte) {
+	for i := len(prefix) - 1; i >= 0; i-- {
+		c := prefix[i]
+		if c == 0xff {
+			continue
+		}
+		limit = make([]byte, i+1)
+		copy(limit, prefix)
+		limit[i] = c + 1
+		break
+	}
+	return limit
+}
+
+// Stat returns a particular internal stat of the database.
+func (d *Database) Stat(property string) (string, error) {
+	return "", nil
+}
+
+// Compact flattens the underlying data store for the given key range. In essence,
+// deleted and overwritten versions are discarded, and the data is rearranged to
+// reduce the cost of operations needed to access them.
+//
+// A nil start is treated as a key before all keys in the data store; a nil limit
+// is treated as a key after all keys in the data store. If both is nil then it
+// will compact entire data store.
+func (d *Database) Compact(start []byte, limit []byte) error {
+	// There is no special flag to represent the end of key range
+	// in pebble(nil in leveldb). Use an ugly hack to construct a
+	// large key to represent it.
+	// Note any prefixed database entry will be smaller than this
+	// flag, as for trie nodes we need the 32 byte 0xff because
+	// there might be a shared prefix starting with a number of
+	// 0xff-s, so 32 ensures than only a hash collision could touch it.
+	// https://github.com/cockroachdb/pebble/issues/2359#issuecomment-1443995833
+	if limit == nil {
+		limit = bytes.Repeat([]byte{0xff}, 32)
+	}
+	return d.db.Compact(start, limit, true) // Parallelization is preferred
+}
+
+// Path returns the path to the database directory.
+func (d *Database) Path() string {
+	return d.fn
+}
+
+// meter periodically retrieves internal pebble counters and reports them to
+// the metrics subsystem.
+func (d *Database) meter(refresh time.Duration) {
+	var errc chan error
+	timer := time.NewTimer(refresh)
+	defer timer.Stop()
+
+	// Create storage and warning log tracer for write delay.
+	var (
+		compTimes        [2]int64
+		writeDelayTimes  [2]int64
+		writeDelayCounts [2]int64
+		compWrites       [2]int64
+		compReads        [2]int64
+
+		nWrites [2]int64
+	)
+
+	// Iterate ad infinitum and collect the stats
+	for i := 1; errc == nil; i++ {
+		var (
+			compWrite int64
+			compRead  int64
+			nWrite    int64
+
+			metrics            = d.db.Metrics()
+			compTime           = atomic.LoadInt64(&d.compTime)
+			writeDelayCount    = atomic.LoadInt64(&d.writeDelayCount)
+			writeDelayTime     = atomic.LoadInt64(&d.writeDelayTime)
+			nonLevel0CompCount = int64(atomic.LoadUint32(&d.nonLevel0Comp))
+			level0CompCount    = int64(atomic.LoadUint32(&d.level0Comp))
+		)
+		writeDelayTimes[i%2] = writeDelayTime
+		writeDelayCounts[i%2] = writeDelayCount
+		compTimes[i%2] = compTime
+
+		for _, levelMetrics := range metrics.Levels {
+			nWrite += int64(levelMetrics.BytesCompacted)
+			nWrite += int64(levelMetrics.BytesFlushed)
+			compWrite += int64(levelMetrics.BytesCompacted)
+			compRead += int64(levelMetrics.BytesRead)
+		}
+
+		nWrite += int64(metrics.WAL.BytesWritten)
+
+		compWrites[i%2] = compWrite
+		compReads[i%2] = compRead
+		nWrites[i%2] = nWrite
+
+		if d.writeDelayNMeter != nil {
+			d.writeDelayNMeter.Mark(writeDelayCounts[i%2] - writeDelayCounts[(i-1)%2])
+		}
+		if d.writeDelayMeter != nil {
+			d.writeDelayMeter.Mark(writeDelayTimes[i%2] - writeDelayTimes[(i-1)%2])
+		}
+		if d.compTimeMeter != nil {
+			d.compTimeMeter.Mark(compTimes[i%2] - compTimes[(i-1)%2])
+		}
+		if d.compReadMeter != nil {
+			d.compReadMeter.Mark(compReads[i%2] - compReads[(i-1)%2])
+		}
+		if d.compWriteMeter != nil {
+			d.compWriteMeter.Mark(compWrites[i%2] - compWrites[(i-1)%2])
+		}
+		if d.diskSizeGauge != nil {
+			d.diskSizeGauge.Update(int64(metrics.DiskSpaceUsage()))
+		}
+		if d.diskReadMeter != nil {
+			d.diskReadMeter.Mark(0) // pebble doesn't track non-compaction reads
+		}
+		if d.diskWriteMeter != nil {
+			d.diskWriteMeter.Mark(nWrites[i%2] - nWrites[(i-1)%2])
+		}
+		// See https://github.com/cockroachdb/pebble/pull/1628#pullrequestreview-1026664054
+		manuallyAllocated := metrics.BlockCache.Size + int64(metrics.MemTable.Size) + int64(metrics.MemTable.ZombieSize)
+		d.manualMemAllocGauge.Update(manuallyAllocated)
+		d.memCompGauge.Update(metrics.Flush.Count)
+		d.nonlevel0CompGauge.Update(nonLevel0CompCount)
+		d.level0CompGauge.Update(level0CompCount)
+		d.seekCompGauge.Update(metrics.Compact.ReadCount)
+
+		// Sleep a bit, then repeat the stats collection
+		select {
+		case errc = <-d.quitChan:
+			// Quit requesting, stop hammering the database
+		case <-timer.C:
+			timer.Reset(refresh)
+			// Timeout, gather a new set of stats
+		}
+	}
+	errc <- nil
+}
+
+// batch is a write-only batch that commits changes to its host database
+// when Write is called. A batch cannot be used concurrently.
+type batch struct {
+	b    *pebble.Batch
+	size int
+}
+
+// Put inserts the given value into the batch for later committing.
+func (b *batch) Put(key, value []byte) error {
+	b.b.Set(key, value, nil)
+	b.size += len(key) + len(value)
+	return nil
+}
+
+// Delete inserts the a key removal into the batch for later committing.
+func (b *batch) Delete(key []byte) error {
+	b.b.Delete(key, nil)
+	b.size += len(key)
+	return nil
+}
+
+// ValueSize retrieves the amount of data queued up for writing.
+func (b *batch) ValueSize() int {
+	return b.size
+}
+
+// Write flushes any accumulated data to disk.
+func (b *batch) Write() error {
+	return b.b.Commit(pebble.NoSync)
+}
+
+// Reset resets the batch for reuse.
+func (b *batch) Reset() {
+	b.b.Reset()
+	b.size = 0
+}
+
+// Replay replays the batch contents.
+func (b *batch) Replay(w ethdb.KeyValueWriter) error {
+	reader := b.b.Reader()
+	for {
+		kind, k, v, ok := reader.Next()
+		if !ok {
+			break
+		}
+		// The (k,v) slices might be overwritten if the batch is reset/reused,
+		// and the receiver should copy them if they are to be retained long-term.
+		if kind == pebble.InternalKeyKindSet {
+			w.Put(k, v)
+		} else if kind == pebble.InternalKeyKindDelete {
+			w.Delete(k)
+		} else {
+			return fmt.Errorf("unhandled operation, keytype: %v", kind)
+		}
+	}
+	return nil
+}
+
+// pebbleIterator is a wrapper of underlying iterator in storage engine.
+// The purpose of this structure is to implement the missing APIs.
+type pebbleIterator struct {
+	iter  *pebble.Iterator
+	moved bool
+}
+
+// NewIterator creates a binary-alphabetical iterator over a subset
+// of database content with a particular key prefix, starting at a particular
+// initial key (or after, if it does not exist).
+func (d *Database) NewIterator(prefix []byte, start []byte) ethdb.Iterator {
+	iter := d.db.NewIter(&pebble.IterOptions{
+		LowerBound: append(prefix, start...),
+		UpperBound: upperBound(prefix),
+	})
+	iter.First()
+	return &pebbleIterator{iter: iter, moved: true}
+}
+
+// Next moves the iterator to the next key/value pair. It returns whether the
+// iterator is exhausted.
+func (iter *pebbleIterator) Next() bool {
+	if iter.moved {
+		iter.moved = false
+		return iter.iter.Valid()
+	}
+	return iter.iter.Next()
+}
+
+// Error returns any accumulated error. Exhausting all the key/value pairs
+// is not considered to be an error.
+func (iter *pebbleIterator) Error() error {
+	return iter.iter.Error()
+}
+
+// Key returns the key of the current key/value pair, or nil if done. The caller
+// should not modify the contents of the returned slice, and its contents may
+// change on the next call to Next.
+func (iter *pebbleIterator) Key() []byte {
+	return iter.iter.Key()
+}
+
+// Value returns the value of the current key/value pair, or nil if done. The
+// caller should not modify the contents of the returned slice, and its contents
+// may change on the next call to Next.
+func (iter *pebbleIterator) Value() []byte {
+	return iter.iter.Value()
+}
+
+// Release releases associated resources. Release should always succeed and can
+// be called multiple times without causing error.
+func (iter *pebbleIterator) Release() { iter.iter.Close() }
diff --git a/ethdb/pebble/pebble_test.go b/ethdb/pebble/pebble_test.go
new file mode 100644
index 0000000000..1f3e4f9315
--- /dev/null
+++ b/ethdb/pebble/pebble_test.go
@@ -0,0 +1,68 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2023 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+//go:build (arm64 || amd64) && !openbsd
+
+package pebble
+
+import (
+	"testing"
+
+	"github.com/ava-labs/subnet-evm/ethdb"
+	"github.com/ava-labs/subnet-evm/ethdb/dbtest"
+	"github.com/cockroachdb/pebble"
+	"github.com/cockroachdb/pebble/vfs"
+)
+
+func TestPebbleDB(t *testing.T) {
+	t.Run("DatabaseSuite", func(t *testing.T) {
+		dbtest.TestDatabaseSuite(t, func() ethdb.KeyValueStore {
+			db, err := pebble.Open("", &pebble.Options{
+				FS: vfs.NewMem(),
+			})
+			if err != nil {
+				t.Fatal(err)
+			}
+			return &Database{
+				db: db,
+			}
+		})
+	})
+}
+
+func BenchmarkPebbleDB(b *testing.B) {
+	dbtest.BenchDatabaseSuite(b, func() ethdb.KeyValueStore {
+		db, err := pebble.Open("", &pebble.Options{
+			FS: vfs.NewMem(),
+		})
+		if err != nil {
+			b.Fatal(err)
+		}
+		return &Database{
+			db: db,
+		}
+	})
+}
diff --git a/ethdb/snapshot.go b/ethdb/snapshot.go
new file mode 100644
index 0000000000..03b7794a77
--- /dev/null
+++ b/ethdb/snapshot.go
@@ -0,0 +1,41 @@
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package ethdb
+
+type Snapshot interface {
+	// Has retrieves if a key is present in the snapshot backing by a key-value
+	// data store.
+	Has(key []byte) (bool, error)
+
+	// Get retrieves the given key if it's present in the snapshot backing by
+	// key-value data store.
+	Get(key []byte) ([]byte, error)
+
+	// Release releases associated resources. Release should always succeed and can
+	// be called multiple times without causing error.
+	Release()
+}
+
+// Snapshotter wraps the Snapshot method of a backing data store.
+type Snapshotter interface {
+	// NewSnapshot creates a database snapshot based on the current state.
+	// The created snapshot will not be affected by all following mutations
+	// happened on the database.
+	// Note don't forget to release the snapshot once it's used up, otherwise
+	// the stale data will never be cleaned up by the underlying compactor.
+	NewSnapshot() (Snapshot, error)
+}
diff --git a/genesis.json b/genesis.json
index acb8bc2a3a..817882b9f8 100644
--- a/genesis.json
+++ b/genesis.json
@@ -67,7 +67,7 @@
         "balance": "0x0",
         "code": "0x6080604052600436106100695760003560e01c80635c60da1b116100435780635c60da1b146100d35780638f28397014610111578063f851a4401461013157610078565b80632c6eefd5146100805780633659cfe6146100a05780634f1ef286146100c057610078565b3661007857610076610146565b005b610076610146565b34801561008c57600080fd5b5061007661009b3660046109e4565b610160565b3480156100ac57600080fd5b506100766100bb3660046109e4565b6101f8565b6100766100ce3660046109ff565b610256565b3480156100df57600080fd5b506100e86102e1565b60405173ffffffffffffffffffffffffffffffffffffffff909116815260200160405180910390f35b34801561011d57600080fd5b5061007661012c3660046109e4565b610336565b34801561013d57600080fd5b506100e861037a565b61014e610407565b61015e6101596104f0565b6104fa565b565b600061016a61051e565b73ffffffffffffffffffffffffffffffffffffffff16146101ec576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601360248201527f616c726561647920696e697469616c697a65640000000000000000000000000060448201526064015b60405180910390fd5b6101f581610528565b50565b610200610589565b73ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff16141561024e576101f5816040518060200160405280600081525060006105c9565b6101f5610146565b61025e610589565b73ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff1614156102d9576102d48383838080601f016020809104026020016040519081016040528093929190818152602001838380828437600092019190915250600192506105c9915050565b505050565b6102d4610146565b60006102eb610589565b73ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff16141561032b576103266104f0565b905090565b610333610146565b90565b61033e610589565b73ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff16141561024e576101f581610528565b6000610384610589565b73ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff16141561032b57610326610589565b60606103e48383604051806060016040528060278152602001610b1c602791396105f4565b9392505050565b73ffffffffffffffffffffffffffffffffffffffff163b151590565b61040f610589565b73ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff16141561015e576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152604260248201527f5472616e73706172656e745570677261646561626c6550726f78793a2061646d60448201527f696e2063616e6e6f742066616c6c6261636b20746f2070726f7879207461726760648201527f6574000000000000000000000000000000000000000000000000000000000000608482015260a4016101e3565b600061032661071c565b3660008037600080366000845af43d6000803e808015610519573d6000f35b3d6000fd5b6000610326610589565b7f7e644d79422f17c01e4894b5f4f588d331ebfa28653d42ae832dc59e38c9798f610551610589565b6040805173ffffffffffffffffffffffffffffffffffffffff928316815291841660208301520160405180910390a16101f581610744565b60007fb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d61035b5473ffffffffffffffffffffffffffffffffffffffff16919050565b6105d283610850565b6000825111806105df5750805b156102d4576105ee83836103bf565b50505050565b606073ffffffffffffffffffffffffffffffffffffffff84163b61069a576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152602660248201527f416464726573733a2064656c65676174652063616c6c20746f206e6f6e2d636f60448201527f6e7472616374000000000000000000000000000000000000000000000000000060648201526084016101e3565b6000808573ffffffffffffffffffffffffffffffffffffffff16856040516106c29190610aae565b600060405180830381855af49150503d80600081146106fd576040519150601f19603f3d011682016040523d82523d6000602084013e610702565b606091505b509150915061071282828661089d565b9695505050505050565b60007f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc6105ad565b73ffffffffffffffffffffffffffffffffffffffff81166107e7576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152602660248201527f455243313936373a206e65772061646d696e20697320746865207a65726f206160448201527f646472657373000000000000000000000000000000000000000000000000000060648201526084016101e3565b807fb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d61035b80547fffffffffffffffffffffffff00000000000000000000000000000000000000001673ffffffffffffffffffffffffffffffffffffffff9290921691909117905550565b610859816108f0565b60405173ffffffffffffffffffffffffffffffffffffffff8216907fbc7cd75a20ee27fd9adebab32041f755214dbc6bffa90cc0225b39da2e5c2d3b90600090a250565b606083156108ac5750816103e4565b8251156108bc5782518084602001fd5b816040517f08c379a00000000000000000000000000000000000000000000000000000000081526004016101e39190610aca565b73ffffffffffffffffffffffffffffffffffffffff81163b610994576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152602d60248201527f455243313936373a206e657720696d706c656d656e746174696f6e206973206e60448201527f6f74206120636f6e74726163740000000000000000000000000000000000000060648201526084016101e3565b807f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc61080a565b803573ffffffffffffffffffffffffffffffffffffffff811681146109df57600080fd5b919050565b6000602082840312156109f657600080fd5b6103e4826109bb565b600080600060408486031215610a1457600080fd5b610a1d846109bb565b9250602084013567ffffffffffffffff80821115610a3a57600080fd5b818601915086601f830112610a4e57600080fd5b813581811115610a5d57600080fd5b876020828501011115610a6f57600080fd5b6020830194508093505050509250925092565b60005b83811015610a9d578181015183820152602001610a85565b838111156105ee5750506000910152565b60008251610ac0818460208701610a82565b9190910192915050565b6020815260008251806020840152610ae9816040850160208701610a82565b601f017fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe016919091016040019291505056fe416464726573733a206c6f772d6c6576656c2064656c65676174652063616c6c206661696c6564a26469706673582212208f0bc66b8ee51a4c109376b6c4d7e171cd933a56f45ed508f31a9c3b7aa9d4eb64736f6c63430008090033"
       },
-      "0x0300000000000000000000000000000000000006": {
+      "0x635c5F96989a4226953FE6361f12B96c5d50289b": {
         "balance": "0x0",
         "code": "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"
       }
diff --git a/go.mod b/go.mod
index 176a0d9384..fbc787badf 100644
--- a/go.mod
+++ b/go.mod
@@ -4,15 +4,19 @@ go 1.19
 
 require (
 	github.com/VictoriaMetrics/fastcache v1.10.0
-	github.com/ava-labs/avalanchego v1.10.1
+	github.com/ava-labs/avalanche-network-runner v1.7.1
+	github.com/ava-labs/avalanchego v1.10.6-rc.4
 	github.com/cespare/cp v0.1.0
+	github.com/cockroachdb/pebble v0.0.0-20230209160836-829675f94811
 	github.com/davecgh/go-spew v1.1.1
-	github.com/deckarep/golang-set v1.8.0
-	github.com/ethereum/go-ethereum v1.10.26
+	github.com/deckarep/golang-set/v2 v2.1.0
+	github.com/dop251/goja v0.0.0-20230605162241-28ee0ee714f3
+	github.com/ethereum/go-ethereum v1.12.0
 	github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5
 	github.com/fsnotify/fsnotify v1.6.0
 	github.com/gballet/go-libpcsclite v0.0.0-20191108122812-4678299bea08
 	github.com/go-cmd/cmd v1.4.1
+	github.com/golang/mock v1.6.0
 	github.com/google/uuid v1.3.0
 	github.com/gorilla/rpc v1.2.0
 	github.com/gorilla/websocket v1.4.2
@@ -20,86 +24,100 @@ require (
 	github.com/hashicorp/golang-lru v0.5.5-0.20210104140557-80c98217689d
 	github.com/holiman/big v0.0.0-20221017200358-a027dc42d04e
 	github.com/holiman/bloomfilter/v2 v2.0.3
-	github.com/holiman/uint256 v1.2.0
-	github.com/mattn/go-colorable v0.1.12
-	github.com/mattn/go-isatty v0.0.14
+	github.com/holiman/uint256 v1.2.2-0.20230321075855-87b91420868c
+	github.com/kylelemons/godebug v1.1.0
+	github.com/mattn/go-colorable v0.1.13
+	github.com/mattn/go-isatty v0.0.16
 	github.com/olekukonko/tablewriter v0.0.5
-	github.com/onsi/ginkgo/v2 v2.6.1
-	github.com/onsi/gomega v1.24.2
-	github.com/prometheus/client_golang v1.14.0
+	github.com/onsi/ginkgo/v2 v2.8.1
+	github.com/onsi/gomega v1.26.0
+	github.com/prometheus/client_golang v1.16.0
 	github.com/prometheus/client_model v0.3.0
-	github.com/rjeczalik/notify v0.9.3
 	github.com/shirou/gopsutil v3.21.11+incompatible
 	github.com/spf13/cast v1.5.0
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.12.0
-	github.com/status-im/keycard-go v0.0.0-20200402102358-957c09536969
-	github.com/stretchr/testify v1.8.1
+	github.com/status-im/keycard-go v0.2.0
+	github.com/stretchr/testify v1.8.3
 	github.com/syndtr/goleveldb v1.0.1-0.20220614013038-64ee5596c38a
-	github.com/tyler-smith/go-bip39 v1.0.2
-	github.com/urfave/cli/v2 v2.10.2
+	github.com/tyler-smith/go-bip39 v1.1.0
+	github.com/urfave/cli/v2 v2.17.2-0.20221006022127-8f469abc00aa
 	golang.org/x/crypto v0.1.0
-	golang.org/x/sync v0.1.0
-	golang.org/x/sys v0.5.0
-	golang.org/x/text v0.7.0
+	golang.org/x/sync v0.2.0
+	golang.org/x/sys v0.8.0
+	golang.org/x/text v0.8.0
 	golang.org/x/time v0.1.0
-	gopkg.in/urfave/cli.v1 v1.20.0
-)
-
-require (
-	golang.org/x/mod v0.7.0 // indirect
-	golang.org/x/tools v0.4.0 // indirect
 )
 
 require (
 	github.com/DataDog/zstd v1.5.2 // indirect
+	github.com/Microsoft/go-winio v0.5.2 // indirect
 	github.com/NYTimes/gziphandler v1.1.1 // indirect
+	github.com/ava-labs/coreth v0.12.5-rc.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/bits-and-blooms/bitset v1.7.0 // indirect
 	github.com/btcsuite/btcd/btcec/v2 v2.3.2 // indirect
 	github.com/btcsuite/btcd/btcutil v1.1.3 // indirect
 	github.com/cenkalti/backoff/v4 v4.1.3 // indirect
-	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/cockroachdb/errors v1.9.1 // indirect
+	github.com/cockroachdb/logtags v0.0.0-20230118201751-21c54148d20b // indirect
+	github.com/cockroachdb/redact v1.1.3 // indirect
+	github.com/consensys/bavard v0.1.13 // indirect
+	github.com/consensys/gnark-crypto v0.10.0 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
+	github.com/crate-crypto/go-kzg-4844 v0.2.0 // indirect
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.1.0 // indirect
 	github.com/deepmap/oapi-codegen v1.8.2 // indirect
-	github.com/edsrzf/mmap-go v1.0.0 // indirect
+	github.com/dlclark/regexp2 v1.7.0 // indirect
+	github.com/ethereum/c-kzg-4844 v0.2.0 // indirect
+	github.com/getsentry/sentry-go v0.18.0 // indirect
 	github.com/go-logr/logr v1.2.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
-	github.com/go-stack/stack v1.8.0 // indirect
+	github.com/go-sourcemap/sourcemap v2.1.3+incompatible // indirect
+	github.com/go-stack/stack v1.8.1 // indirect
+	github.com/gofrs/flock v0.8.1 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang-jwt/jwt/v4 v4.3.0 // indirect
-	github.com/golang/mock v1.6.0 // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/golang/snappy v0.0.4 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/golang/snappy v0.0.5-0.20220116011046-fa5810519dcb // indirect
 	github.com/google/btree v1.1.2 // indirect
 	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/google/pprof v0.0.0-20230207041349-798e818bf904 // indirect
 	github.com/gorilla/mux v1.8.0 // indirect
 	github.com/graph-gophers/graphql-go v1.3.0 // indirect
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.15.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.15.2 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/huin/goupnp v1.0.3 // indirect
-	github.com/influxdata/influxdb v1.8.3 // indirect
 	github.com/influxdata/influxdb-client-go/v2 v2.4.0 // indirect
+	github.com/influxdata/influxdb1-client v0.0.0-20220302092344-a9ab5670611c // indirect
 	github.com/influxdata/line-protocol v0.0.0-20210311194329-9aa0e372d097 // indirect
+	github.com/jackpal/gateway v1.0.6 // indirect
 	github.com/jackpal/go-nat-pmp v1.0.2 // indirect
+	github.com/klauspost/compress v1.15.15 // indirect
+	github.com/kr/pretty v0.3.1 // indirect
+	github.com/kr/text v0.2.0 // indirect
 	github.com/magiconair/properties v1.8.6 // indirect
 	github.com/mattn/go-runewidth v0.0.9 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/mitchellh/pointerstructure v1.2.0 // indirect
+	github.com/mmcloughlin/addchain v0.4.0 // indirect
 	github.com/mr-tron/base58 v1.2.0 // indirect
 	github.com/nbutton23/zxcvbn-go v0.0.0-20180912185939-ae427f1e4c1d // indirect
 	github.com/opentracing/opentracing-go v1.1.0 // indirect
+	github.com/otiai10/copy v1.11.0 // indirect
 	github.com/pelletier/go-toml v1.9.5 // indirect
-	github.com/pelletier/go-toml/v2 v2.0.1 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.5 // indirect
 	github.com/peterh/liner v1.1.1-0.20190123174540-a2c9a5303de7 // indirect
 	github.com/pires/go-proxyproto v0.6.2 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/common v0.37.0 // indirect
-	github.com/prometheus/procfs v0.8.0 // indirect
-	github.com/prometheus/tsdb v0.10.0 // indirect
+	github.com/prometheus/common v0.42.0 // indirect
+	github.com/prometheus/procfs v0.10.1 // indirect
+	github.com/rogpeppe/go-internal v1.9.0 // indirect
 	github.com/rs/cors v1.7.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/spaolacci/murmur3 v1.1.0 // indirect
@@ -107,7 +125,7 @@ require (
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/stretchr/objx v0.5.0 // indirect
 	github.com/subosito/gotenv v1.3.0 // indirect
-	github.com/supranational/blst v0.3.11-0.20220920110316-f72618070295 // indirect
+	github.com/supranational/blst v0.3.11-0.20230406105308-e9dfc5ee724b // indirect
 	github.com/tklauser/go-sysconf v0.3.5 // indirect
 	github.com/tklauser/numcpus v0.2.2 // indirect
 	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
@@ -121,19 +139,20 @@ require (
 	go.opentelemetry.io/otel/trace v1.11.0 // indirect
 	go.opentelemetry.io/proto/otlp v0.19.0 // indirect
 	go.uber.org/atomic v1.10.0 // indirect
-	go.uber.org/multierr v1.8.0 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
 	go.uber.org/zap v1.24.0 // indirect
-	golang.org/x/exp v0.0.0-20220426173459-3bcf042a4bf5 // indirect
-	golang.org/x/net v0.7.0 // indirect
-	golang.org/x/term v0.5.0 // indirect
+	golang.org/x/exp v0.0.0-20230206171751-46f607a40771 // indirect
+	golang.org/x/mod v0.10.0 // indirect
+	golang.org/x/net v0.8.0 // indirect
+	golang.org/x/term v0.7.0 // indirect
 	gonum.org/v1/gonum v0.11.0 // indirect
-	google.golang.org/genproto v0.0.0-20221207170731-23e4bf6bdc37 // indirect
-	google.golang.org/grpc v1.53.0-dev // indirect
-	google.golang.org/protobuf v1.28.1 // indirect
-	gopkg.in/ini.v1 v1.66.4 // indirect
+	google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4 // indirect
+	google.golang.org/grpc v1.56.0-dev // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
 	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	gotest.tools v2.2.0+incompatible
+	rsc.io/tmplfunc v0.0.3 // indirect
 )
diff --git a/go.sum b/go.sum
index 597aead355..de6ecf2a22 100644
--- a/go.sum
+++ b/go.sum
@@ -1,14 +1,12 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
-cloud.google.com/go v0.43.0/go.mod h1:BOSR3VbTLkk6FDC/TcffxP4NF/FFBGA5ku+jvKOP7pg=
 cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
 cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
 cloud.google.com/go v0.44.3/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
 cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
 cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
 cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
-cloud.google.com/go v0.51.0/go.mod h1:hWtGJ6gnXH+KgDv+V0zFGDvpi07n3z8ZNj3T1RW0Gcw=
 cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
 cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
 cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
@@ -25,7 +23,6 @@ cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvf
 cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
 cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
 cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
-cloud.google.com/go/bigtable v1.2.0/go.mod h1:JcVAOl45lrTmQfLj7T6TxyMzIN/3FGGcFm+2xVAli2o=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
@@ -38,40 +35,42 @@ cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohl
 cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
 cloud.google.com/go/storage v1.14.0/go.mod h1:GrKmX003DSIwi9o29oFT7YDnHYwZoctc3fOKtUw0Xmo=
-collectd.org v0.3.0/go.mod h1:A/8DzQBkF6abtvrT2j/AU/4tiBgJWYyh0y/oB/4MlWE=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/BurntSushi/toml v1.1.0 h1:ksErzDEI1khOiGPgpwuI7x2ebx/uXQNw7xJpn9Eq1+I=
+github.com/BurntSushi/toml v1.2.0 h1:Rt8g24XnyGTyglgET/PRUNlrUeu9F5L+7FilkXfZgs0=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
+github.com/CloudyKit/fastprinter v0.0.0-20200109182630-33d98a066a53/go.mod h1:+3IMCy2vIlbG1XG/0ggNQv0SvxCAIpPM5b1nCz56Xno=
+github.com/CloudyKit/jet/v3 v3.0.0/go.mod h1:HKQPgSJmdK8hdoAbKUUWajkHyHo4RaU5rMdUywE7VMo=
 github.com/DataDog/zstd v1.5.2 h1:vUG4lAyuPCXO0TLbXvPv7EB7cNK1QV/luu55UHLrrn8=
 github.com/DataDog/zstd v1.5.2/go.mod h1:g4AWEaM3yOg3HYfnJ3YIawPnVdXJh9QME85blwSAmyw=
+github.com/Joker/hpp v1.0.0/go.mod h1:8x5n+M1Hp5hC0g8okX3sR3vFQwynaX/UgSOM9MeBKzY=
+github.com/Microsoft/go-winio v0.5.2 h1:a9IhgEQBCUEk6QCdml9CiJGhAws+YwffDHEMp1VMrpA=
+github.com/Microsoft/go-winio v0.5.2/go.mod h1:WpS1mjBmmwHBEWmogvA2mj8546UReBk4v8QkMxJ6pZY=
 github.com/NYTimes/gziphandler v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cqUQ3I=
 github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/Shopify/goreferrer v0.0.0-20181106222321-ec9c9a553398/go.mod h1:a1uqRtAwp2Xwc6WNPJEufxJ7fx3npB4UV/JOLmbu5I0=
 github.com/VictoriaMetrics/fastcache v1.10.0 h1:5hDJnLsKLpnUEToub7ETuRu8RCkb40woBZAUiKonXzY=
 github.com/VictoriaMetrics/fastcache v1.10.0/go.mod h1:tjiYeEfYXCqacuvYw/7UoDIeJaNxq6132xHICNP77w8=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
-github.com/ajstarks/svgo v0.0.0-20180226025133-644b8db467af/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw=
-github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
+github.com/ajg/form v1.5.1/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY=
 github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156 h1:eMwmnE/GDgah4HI848JfFxHt+iPb26b4zyfspmqY0/8=
 github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
-github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
-github.com/apache/arrow/go/arrow v0.0.0-20191024131854-af6fa24be0db/go.mod h1:VTxUBvSJ3s3eHAg65PNgrsn5BtqCRPdmyXh6rAfdxN0=
-github.com/ava-labs/avalanchego v1.10.1 h1:lBeamJ1iNq+p2oKg2nAs+A65m8vhSDjkiTDbwzQW7kY=
-github.com/ava-labs/avalanchego v1.10.1/go.mod h1:ZvSXWlbkUKlbk3BsWx29a+8eVHe/WBsOxh55BSGoeRk=
+github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
+github.com/ava-labs/avalanche-network-runner v1.7.1 h1:XRC2NcchESSxSlJEgb47lAkTG5eF1t2sMs8CoJKeAuE=
+github.com/ava-labs/avalanche-network-runner v1.7.1/go.mod h1:q/2ws64daRXXsiq08bVA1iESRY1CNOQQQDKPeMauZrc=
+github.com/ava-labs/avalanchego v1.10.6-rc.4 h1:MRQ0wGoLrvL2iYzGmhfee/j3uCY6epXyzpUMTa3Y9ww=
+github.com/ava-labs/avalanchego v1.10.6-rc.4/go.mod h1:e8LdGy0xM+QejpMoEK6wOFu2O5HMlAHPJiBPjhoTG78=
+github.com/ava-labs/coreth v0.12.5-rc.0 h1:9eqJS30tIDtBWzhQ2cXMe1Ul8AUabI89CVhdXUWU4E8=
+github.com/ava-labs/coreth v0.12.5-rc.0/go.mod h1:Wwctj2j/x4FVhePD5jlVbQ2TTOetihP6iJlQ9j8NLhw=
+github.com/aymerick/raymond v2.0.3-0.20180322193309-b565731e1464+incompatible/go.mod h1:osfaiScAUVup+UC9Nfq76eWqDhXlp+4UYaA8uhTBO6g=
 github.com/benbjohnson/clock v1.3.0 h1:ip6w0uFQkncKQ979AypyG0ER7mqUSBdKLOgAle/AT8A=
-github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
-github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
-github.com/bmizerany/pat v0.0.0-20170815010413-6226ea591a40/go.mod h1:8rLXio+WjiTceGBHIoTvn60HIbs7Hm7bcHjyrSqYB9c=
-github.com/boltdb/bolt v1.3.1/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx27Ps=
+github.com/bits-and-blooms/bitset v1.7.0 h1:YjAGVd3XmtK9ktAbX8Zg2g2PwLIMjGREZJHlV4j7NEo=
+github.com/bits-and-blooms/bitset v1.7.0/go.mod h1:gIdJ4wp64HaoK2YrL1Q5/N7Y16edYb8uY+O0FJTyyDA=
 github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
 github.com/btcsuite/btcd v0.22.0-beta.0.20220111032746-97732e52810c/go.mod h1:tjmYdS6MLJ5/s0Fj4DbLgSbDHbEqLJrtnHecBFkdz5M=
 github.com/btcsuite/btcd v0.23.0 h1:V2/ZgjfDFIygAX3ZapeigkVBoVUtOJKSwrhZdlpSvaA=
@@ -96,7 +95,6 @@ github.com/btcsuite/snappy-go v0.0.0-20151229074030-0bdef8d06723/go.mod h1:8woku
 github.com/btcsuite/snappy-go v1.0.0/go.mod h1:8woku9dyThutzjeg+3xrA5iCpBRH8XEEg3lh6TiUghc=
 github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtEyQwv5/p4Mg4C0fgbePVuGr935/5ddU9Z3TmDRY=
 github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
-github.com/c-bata/go-prompt v0.2.2/go.mod h1:VzqtzE2ksDBcdln8G7mk2RX9QyGjH+OVqOCSiVIqS34=
 github.com/cenkalti/backoff/v4 v4.1.3 h1:cFAlzYUlVYDysBEH2T5hyJZMh3+5+WCBvSnK6Q8UtC4=
 github.com/cenkalti/backoff/v4 v4.1.3/go.mod h1:scbssz8iZGpm3xbr14ovlUdkxfGXNInqkPWOWmG2CLw=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
@@ -104,11 +102,15 @@ github.com/cespare/cp v0.1.0 h1:SE+dxFebS7Iik5LK0tsi1k9ZCxEaFX4AjQmoyA+1dJk=
 github.com/cespare/cp v0.1.0/go.mod h1:SOGHArjBr4JWaSDEVpWpo/hNg6RoKrls6Oh40hiwW+s=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=
 github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
+github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
+github.com/chzyer/logex v1.2.0/go.mod h1:9+9sk7u7pGNWYMkh0hdiL++6OeibzJccyQU4p4MedaY=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
+github.com/chzyer/readline v1.5.0/go.mod h1:x22KAscuvRqlLoK9CsoYsmxoXZMMFVyOl86cAH8qUic=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
+github.com/chzyer/test v0.0.0-20210722231415-061457976a23/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
@@ -118,16 +120,38 @@ github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWH
 github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/cncf/xds/go v0.0.0-20210922020428-25de7278fc84/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
+github.com/cockroachdb/datadriven v1.0.2 h1:H9MtNqVoVhvd9nCBwOyDjUEdZCREqbIdCJD93PBm/jA=
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@@ -237,18 +279,18 @@ github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QD
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@@ -262,6 +304,7 @@ github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
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@@ -277,7 +320,10 @@ github.com/google/pprof v0.0.0-20201023163331-3e6fc7fc9c4c/go.mod h1:kpwsk12EmLe
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@@ -289,6 +335,7 @@ github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
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@@ -297,10 +344,11 @@ github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 h1:Ovs26xHkKqVztRpIrF/92Bcuy
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@@ -311,231 +359,225 @@ github.com/holiman/big v0.0.0-20221017200358-a027dc42d04e h1:pIYdhNkDh+YENVNi3gt
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@@ -637,9 +689,8 @@ golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u0
 golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
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@@ -653,6 +704,7 @@ golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRu
 golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
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 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
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@@ -664,24 +716,26 @@ golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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@@ -706,12 +760,12 @@ golang.org/x/net v0.0.0-20210119194325-5f4716e94777/go.mod h1:m0MpNAwzfU5UDzcl9v
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 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
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@@ -721,9 +775,7 @@ golang.org/x/oauth2 v0.0.0-20200902213428-5d25da1a8d43/go.mod h1:KelEdhl1UZF7XfJ
 golang.org/x/oauth2 v0.0.0-20201109201403-9fd604954f58/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20201208152858-08078c50e5b5/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
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 golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
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@@ -735,22 +787,21 @@ golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJ
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@@ -761,8 +812,6 @@ golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@@ -777,8 +826,6 @@ golang.org/x/sys v0.0.0-20200511232937-7e40ca221e25/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200515095857-1151b9dac4a9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20200523222454-059865788121/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20200803210538-64077c9b5642/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@@ -793,26 +840,30 @@ golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -822,8 +873,9 @@ golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
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@@ -831,15 +883,14 @@ golang.org/x/time v0.0.0-20201208040808-7e3f01d25324/go.mod h1:tRJNPiyCQ0inRvYxb
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@@ -857,7 +908,6 @@ golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtn
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@@ -873,6 +923,7 @@ golang.org/x/tools v0.0.0-20200501065659-ab2804fb9c9d/go.mod h1:EkVYQZoAsY45+roY
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 golang.org/x/xerrors v0.0.0-20220517211312-f3a8303e98df/go.mod h1:K8+ghG5WaK9qNqU5K3HdILfMLy1f3aNYFI/wnl100a8=
-gonum.org/v1/gonum v0.0.0-20180816165407-929014505bf4/go.mod h1:Y+Yx5eoAFn32cQvJDxZx5Dpnq+c3wtXuadVZAcxbbBo=
-gonum.org/v1/gonum v0.0.0-20181121035319-3f7ecaa7e8ca/go.mod h1:Y+Yx5eoAFn32cQvJDxZx5Dpnq+c3wtXuadVZAcxbbBo=
-gonum.org/v1/gonum v0.6.0/go.mod h1:9mxDZsDKxgMAuccQkewq682L+0eCu4dCN2yonUJTCLU=
 gonum.org/v1/gonum v0.11.0 h1:f1IJhK4Km5tBJmaiJXtk/PkL4cdVX6J+tGiM187uT5E=
 gonum.org/v1/gonum v0.11.0/go.mod h1:fSG4YDCxxUZQJ7rKsQrj0gMOg00Il0Z96/qMA4bVQhA=
-gonum.org/v1/netlib v0.0.0-20181029234149-ec6d1f5cefe6/go.mod h1:wa6Ws7BG/ESfp6dHfk7C6KdzKA7wR7u/rKwOGE66zvw=
-gonum.org/v1/netlib v0.0.0-20190313105609-8cb42192e0e0/go.mod h1:wa6Ws7BG/ESfp6dHfk7C6KdzKA7wR7u/rKwOGE66zvw=
-gonum.org/v1/plot v0.0.0-20190515093506-e2840ee46a6b/go.mod h1:Wt8AAjI+ypCyYX3nZBvf6cAIx93T+c/OS2HFAYskSZc=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
 google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
@@ -926,12 +972,12 @@ google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww
 google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/appengine v1.6.6/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
+google.golang.org/genproto v0.0.0-20180518175338-11a468237815/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
-google.golang.org/genproto v0.0.0-20190716160619-c506a9f90610/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
@@ -939,7 +985,6 @@ google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvx
 google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
-google.golang.org/genproto v0.0.0-20200108215221-bd8f9a0ef82f/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/genproto v0.0.0-20200115191322-ca5a22157cba/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/genproto v0.0.0-20200122232147-0452cf42e150/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/genproto v0.0.0-20200204135345-fa8e72b47b90/go.mod h1:GmwEX6Z4W5gMy59cAlVYjN9JhxgbQH6Gn+gFDQe2lzA=
@@ -965,9 +1010,11 @@ google.golang.org/genproto v0.0.0-20201210142538-e3217bee35cc/go.mod h1:FWY/as6D
 google.golang.org/genproto v0.0.0-20201214200347-8c77b98c765d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210108203827-ffc7fda8c3d7/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210226172003-ab064af71705/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20210624195500-8bfb893ecb84/go.mod h1:SzzZ/N+nwJDaO1kznhnlzqS8ocJICar6hYhVyhi++24=
 google.golang.org/genproto v0.0.0-20211118181313-81c1377c94b1/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
-google.golang.org/genproto v0.0.0-20221207170731-23e4bf6bdc37 h1:jmIfw8+gSvXcZSgaFAGyInDXeWzUhvYH57G/5GKMn70=
-google.golang.org/genproto v0.0.0-20221207170731-23e4bf6bdc37/go.mod h1:RGgjbofJ8xD9Sq1VVhDM1Vok1vRONV+rg+CjzG4SZKM=
+google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4 h1:DdoeryqhaXp1LtT/emMP1BRJPHHKFi5akj/nbx/zNTA=
+google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4/go.mod h1:NWraEVixdDnqcqQ30jipen1STv2r/n24Wb7twVTGR4s=
+google.golang.org/grpc v1.12.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
@@ -986,10 +1033,11 @@ google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv
 google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA51WJ8=
 google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
 google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
 google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
 google.golang.org/grpc v1.42.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
-google.golang.org/grpc v1.53.0-dev h1:Bi96+XIrXJLXPJUff19tRXb7mIijir7agn12zNMaPAg=
-google.golang.org/grpc v1.53.0-dev/go.mod h1:pu6fVzoFb+NBYNAvQL08ic+lvB2IojljRYuun5vorUY=
+google.golang.org/grpc v1.56.0-dev h1:3XdSkn+E4E0OxKEID50paHDwVA7cqZVolkHtMFaoQJA=
+google.golang.org/grpc v1.56.0-dev/go.mod h1:iYEXKGkEBhg1PjZQvoYEVPTDkHo1/bjTnfwTeGONTY8=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -1003,39 +1051,39 @@ google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlba
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
-google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
-gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
+google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
+google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
-gopkg.in/ini.v1 v1.66.4 h1:SsAcf+mM7mRZo2nJNGt8mZCjG8ZRaNGMURJw7BsIST4=
-gopkg.in/ini.v1 v1.66.4/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
+gopkg.in/go-playground/validator.v8 v8.18.2/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y=
+gopkg.in/ini.v1 v1.51.1/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
+gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/mgo.v2 v2.0.0-20180705113604-9856a29383ce/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA=
 gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8=
 gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k=
 gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce h1:+JknDZhAj8YMt7GC73Ei8pv4MzjDUNPHgQWJdtMAaDU=
 gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce/go.mod h1:5AcXVHNjg+BDxry382+8OKon8SEWiKktQR07RKPsv1c=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
-gopkg.in/urfave/cli.v1 v1.20.0 h1:NdAVW6RYxDif9DhDHaAortIu956m2c0v+09AZBPTbE0=
-gopkg.in/urfave/cli.v1 v1.20.0/go.mod h1:vuBzUtMdQeixQj8LVd+/98pzhxNGQoyuPBlsXHOQNO0=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.0-20191120175047-4206685974f2/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gotest.tools v2.2.0+incompatible h1:VsBPFP1AI068pPrMxtb/S8Zkgf9xEmTLJjfM+P5UIEo=
-gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
@@ -1044,6 +1092,7 @@ honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
-rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
+rsc.io/tmplfunc v0.0.3 h1:53XFQh69AfOa8Tw0Jm7t+GV7KZhOi6jzsCzTtKbMvzU=
+rsc.io/tmplfunc v0.0.3/go.mod h1:AG3sTPzElb1Io3Yg4voV9AGZJuleGAwaVRxL9M49PhA=
diff --git a/internal/debug/flags.go b/internal/debug/flags.go
index 3c7a33dc99..7d392c63aa 100644
--- a/internal/debug/flags.go
+++ b/internal/debug/flags.go
@@ -34,69 +34,87 @@ import (
 	"os"
 	"runtime"
 
+	"github.com/ava-labs/subnet-evm/internal/flags"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/fjl/memsize/memsizeui"
 	"github.com/mattn/go-colorable"
 	"github.com/mattn/go-isatty"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var Memsize memsizeui.Handler
 
 var (
-	verbosityFlag = cli.IntFlag{
-		Name:  "verbosity",
-		Usage: "Logging verbosity: 0=silent, 1=error, 2=warn, 3=info, 4=debug, 5=detail",
-		Value: 3,
-	}
-	vmoduleFlag = cli.StringFlag{
-		Name:  "vmodule",
-		Usage: "Per-module verbosity: comma-separated list of <pattern>=<level> (e.g. eth/*=5,p2p=4)",
-		Value: "",
-	}
-	logjsonFlag = cli.BoolFlag{
-		Name:  "log.json",
-		Usage: "Format logs with JSON",
-	}
-	backtraceAtFlag = cli.StringFlag{
-		Name:  "log.backtrace",
-		Usage: "Request a stack trace at a specific logging statement (e.g. \"block.go:271\")",
-		Value: "",
-	}
-	debugFlag = cli.BoolFlag{
-		Name:  "log.debug",
-		Usage: "Prepends log messages with call-site location (file and line number)",
-	}
-	pprofFlag = cli.BoolFlag{
-		Name:  "pprof",
-		Usage: "Enable the pprof HTTP server",
-	}
-	pprofPortFlag = cli.IntFlag{
-		Name:  "pprof.port",
-		Usage: "pprof HTTP server listening port",
-		Value: 6060,
-	}
-	pprofAddrFlag = cli.StringFlag{
-		Name:  "pprof.addr",
-		Usage: "pprof HTTP server listening interface",
-		Value: "127.0.0.1",
-	}
-	memprofilerateFlag = cli.IntFlag{
-		Name:  "pprof.memprofilerate",
-		Usage: "Turn on memory profiling with the given rate",
-		Value: runtime.MemProfileRate,
-	}
-	blockprofilerateFlag = cli.IntFlag{
-		Name:  "pprof.blockprofilerate",
-		Usage: "Turn on block profiling with the given rate",
-	}
-	cpuprofileFlag = cli.StringFlag{
-		Name:  "pprof.cpuprofile",
-		Usage: "Write CPU profile to the given file",
-	}
-	traceFlag = cli.StringFlag{
-		Name:  "trace",
-		Usage: "Write execution trace to the given file",
+	verbosityFlag = &cli.IntFlag{
+		Name:     "verbosity",
+		Usage:    "Logging verbosity: 0=silent, 1=error, 2=warn, 3=info, 4=debug, 5=detail",
+		Value:    3,
+		Category: flags.LoggingCategory,
+	}
+	vmoduleFlag = &cli.StringFlag{
+		Name:     "vmodule",
+		Usage:    "Per-module verbosity: comma-separated list of <pattern>=<level> (e.g. eth/*=5,p2p=4)",
+		Value:    "",
+		Category: flags.LoggingCategory,
+	}
+	logjsonFlag = &cli.BoolFlag{
+		Name:     "log.json",
+		Usage:    "Format logs with JSON",
+		Category: flags.LoggingCategory,
+	}
+	logFileFlag = &cli.StringFlag{
+		Name:     "log.file",
+		Usage:    "Write logs to a file",
+		Category: flags.LoggingCategory,
+	}
+	backtraceAtFlag = &cli.StringFlag{
+		Name:     "log.backtrace",
+		Usage:    "Request a stack trace at a specific logging statement (e.g. \"block.go:271\")",
+		Value:    "",
+		Category: flags.LoggingCategory,
+	}
+	debugFlag = &cli.BoolFlag{
+		Name:     "log.debug",
+		Usage:    "Prepends log messages with call-site location (file and line number)",
+		Category: flags.LoggingCategory,
+	}
+	pprofFlag = &cli.BoolFlag{
+		Name:     "pprof",
+		Usage:    "Enable the pprof HTTP server",
+		Category: flags.LoggingCategory,
+	}
+	pprofPortFlag = &cli.IntFlag{
+		Name:     "pprof.port",
+		Usage:    "pprof HTTP server listening port",
+		Value:    6060,
+		Category: flags.LoggingCategory,
+	}
+	pprofAddrFlag = &cli.StringFlag{
+		Name:     "pprof.addr",
+		Usage:    "pprof HTTP server listening interface",
+		Value:    "127.0.0.1",
+		Category: flags.LoggingCategory,
+	}
+	memprofilerateFlag = &cli.IntFlag{
+		Name:     "pprof.memprofilerate",
+		Usage:    "Turn on memory profiling with the given rate",
+		Value:    runtime.MemProfileRate,
+		Category: flags.LoggingCategory,
+	}
+	blockprofilerateFlag = &cli.IntFlag{
+		Name:     "pprof.blockprofilerate",
+		Usage:    "Turn on block profiling with the given rate",
+		Category: flags.LoggingCategory,
+	}
+	cpuprofileFlag = &cli.StringFlag{
+		Name:     "pprof.cpuprofile",
+		Usage:    "Write CPU profile to the given file",
+		Category: flags.LoggingCategory,
+	}
+	traceFlag = &cli.StringFlag{
+		Name:     "trace",
+		Usage:    "Write execution trace to the given file",
+		Category: flags.LoggingCategory,
 	}
 )
 
@@ -105,6 +123,7 @@ var Flags = []cli.Flag{
 	verbosityFlag,
 	vmoduleFlag,
 	logjsonFlag,
+	logFileFlag,
 	backtraceAtFlag,
 	debugFlag,
 	pprofFlag,
@@ -116,7 +135,10 @@ var Flags = []cli.Flag{
 	traceFlag,
 }
 
-var glogger *log.GlogHandler
+var (
+	glogger         *log.GlogHandler
+	logOutputStream log.Handler
+)
 
 func init() {
 	glogger = log.NewGlogHandler(log.StreamHandler(os.Stderr, log.TerminalFormat(false)))
@@ -127,62 +149,74 @@ func init() {
 // Setup initializes profiling and logging based on the CLI flags.
 // It should be called as early as possible in the program.
 func Setup(ctx *cli.Context) error {
-	var ostream log.Handler
-	output := io.Writer(os.Stderr)
-	if ctx.GlobalBool(logjsonFlag.Name) {
-		ostream = log.StreamHandler(output, log.JSONFormat())
+	logFile := ctx.String(logFileFlag.Name)
+	useColor := logFile == "" && os.Getenv("TERM") != "dumb" && (isatty.IsTerminal(os.Stderr.Fd()) || isatty.IsCygwinTerminal(os.Stderr.Fd()))
+
+	var logfmt log.Format
+	if ctx.Bool(logjsonFlag.Name) {
+		logfmt = log.JSONFormat()
 	} else {
-		usecolor := (isatty.IsTerminal(os.Stderr.Fd()) || isatty.IsCygwinTerminal(os.Stderr.Fd())) && os.Getenv("TERM") != "dumb"
-		if usecolor {
+		logfmt = log.TerminalFormat(useColor)
+	}
+
+	if logFile != "" {
+		var err error
+		logOutputStream, err = log.FileHandler(logFile, logfmt)
+		if err != nil {
+			return err
+		}
+	} else {
+		output := io.Writer(os.Stderr)
+		if useColor {
 			output = colorable.NewColorableStderr()
 		}
-		ostream = log.StreamHandler(output, log.TerminalFormat(usecolor))
+		logOutputStream = log.StreamHandler(output, logfmt)
 	}
-	glogger.SetHandler(ostream)
+	glogger.SetHandler(logOutputStream)
 
 	// logging
-	verbosity := ctx.GlobalInt(verbosityFlag.Name)
+	verbosity := ctx.Int(verbosityFlag.Name)
 	glogger.Verbosity(log.Lvl(verbosity))
-	vmodule := ctx.GlobalString(vmoduleFlag.Name)
+	vmodule := ctx.String(vmoduleFlag.Name)
 	glogger.Vmodule(vmodule)
 
-	debug := ctx.GlobalBool(debugFlag.Name)
-	if ctx.GlobalIsSet(debugFlag.Name) {
-		debug = ctx.GlobalBool(debugFlag.Name)
+	debug := ctx.Bool(debugFlag.Name)
+	if ctx.IsSet(debugFlag.Name) {
+		debug = ctx.Bool(debugFlag.Name)
 	}
 	log.PrintOrigins(debug)
 
-	backtrace := ctx.GlobalString(backtraceAtFlag.Name)
+	backtrace := ctx.String(backtraceAtFlag.Name)
 	glogger.BacktraceAt(backtrace)
 
 	log.Root().SetHandler(glogger)
 
 	// profiling, tracing
 	runtime.MemProfileRate = memprofilerateFlag.Value
-	if ctx.GlobalIsSet(memprofilerateFlag.Name) {
-		runtime.MemProfileRate = ctx.GlobalInt(memprofilerateFlag.Name)
+	if ctx.IsSet(memprofilerateFlag.Name) {
+		runtime.MemProfileRate = ctx.Int(memprofilerateFlag.Name)
 	}
 
-	blockProfileRate := ctx.GlobalInt(blockprofilerateFlag.Name)
+	blockProfileRate := ctx.Int(blockprofilerateFlag.Name)
 	Handler.SetBlockProfileRate(blockProfileRate)
 
-	if traceFile := ctx.GlobalString(traceFlag.Name); traceFile != "" {
+	if traceFile := ctx.String(traceFlag.Name); traceFile != "" {
 		if err := Handler.StartGoTrace(traceFile); err != nil {
 			return err
 		}
 	}
 
-	if cpuFile := ctx.GlobalString(cpuprofileFlag.Name); cpuFile != "" {
+	if cpuFile := ctx.String(cpuprofileFlag.Name); cpuFile != "" {
 		if err := Handler.StartCPUProfile(cpuFile); err != nil {
 			return err
 		}
 	}
 
 	// pprof server
-	if ctx.GlobalBool(pprofFlag.Name) {
-		listenHost := ctx.GlobalString(pprofAddrFlag.Name)
+	if ctx.Bool(pprofFlag.Name) {
+		listenHost := ctx.String(pprofAddrFlag.Name)
 
-		port := ctx.GlobalInt(pprofPortFlag.Name)
+		port := ctx.Int(pprofPortFlag.Name)
 
 		address := fmt.Sprintf("%s:%d", listenHost, port)
 		StartPProf(address)
@@ -205,4 +239,7 @@ func StartPProf(address string) {
 func Exit() {
 	Handler.StopCPUProfile()
 	Handler.StopGoTrace()
+	if closer, ok := logOutputStream.(io.Closer); ok {
+		closer.Close()
+	}
 }
diff --git a/internal/ethapi/api.go b/internal/ethapi/api.go
index 3ea8b6ab52..26bfc26bd9 100644
--- a/internal/ethapi/api.go
+++ b/internal/ethapi/api.go
@@ -28,9 +28,11 @@ package ethapi
 
 import (
 	"context"
+	"encoding/hex"
 	"errors"
 	"fmt"
 	"math/big"
+	"strings"
 	"time"
 
 	"github.com/ava-labs/subnet-evm/accounts"
@@ -165,7 +167,7 @@ func (s *TxPoolAPI) Content() map[string]map[string]map[string]*RPCTransaction {
 	for account, txs := range pending {
 		dump := make(map[string]*RPCTransaction)
 		for _, tx := range txs {
-			dump[fmt.Sprintf("%d", tx.Nonce())] = newRPCPendingTransaction(tx, curHeader, estimatedBaseFee, s.b.ChainConfig())
+			dump[fmt.Sprintf("%d", tx.Nonce())] = NewRPCTransaction(tx, curHeader, estimatedBaseFee, s.b.ChainConfig())
 		}
 		content["pending"][account.Hex()] = dump
 	}
@@ -173,7 +175,7 @@ func (s *TxPoolAPI) Content() map[string]map[string]map[string]*RPCTransaction {
 	for account, txs := range queue {
 		dump := make(map[string]*RPCTransaction)
 		for _, tx := range txs {
-			dump[fmt.Sprintf("%d", tx.Nonce())] = newRPCPendingTransaction(tx, curHeader, estimatedBaseFee, s.b.ChainConfig())
+			dump[fmt.Sprintf("%d", tx.Nonce())] = NewRPCTransaction(tx, curHeader, estimatedBaseFee, s.b.ChainConfig())
 		}
 		content["queued"][account.Hex()] = dump
 	}
@@ -190,14 +192,14 @@ func (s *TxPoolAPI) ContentFrom(addr common.Address) map[string]map[string]*RPCT
 	// Build the pending transactions
 	dump := make(map[string]*RPCTransaction, len(pending))
 	for _, tx := range pending {
-		dump[fmt.Sprintf("%d", tx.Nonce())] = newRPCPendingTransaction(tx, curHeader, estimatedBaseFee, s.b.ChainConfig())
+		dump[fmt.Sprintf("%d", tx.Nonce())] = NewRPCTransaction(tx, curHeader, estimatedBaseFee, s.b.ChainConfig())
 	}
 	content["pending"] = dump
 
 	// Build the queued transactions
 	dump = make(map[string]*RPCTransaction, len(queue))
 	for _, tx := range queue {
-		dump[fmt.Sprintf("%d", tx.Nonce())] = newRPCPendingTransaction(tx, curHeader, estimatedBaseFee, s.b.ChainConfig())
+		dump[fmt.Sprintf("%d", tx.Nonce())] = NewRPCTransaction(tx, curHeader, estimatedBaseFee, s.b.ChainConfig())
 	}
 	content["queued"] = dump
 
@@ -451,7 +453,7 @@ func (s *PersonalAccountAPI) signTransaction(ctx context.Context, args *Transact
 // passwd isn't able to decrypt the key it fails.
 func (s *PersonalAccountAPI) SendTransaction(ctx context.Context, args TransactionArgs, passwd string) (common.Hash, error) {
 	if args.Nonce == nil {
-		// Hold the addresse's mutex around signing to prevent concurrent assignment of
+		// Hold the mutex around signing to prevent concurrent assignment of
 		// the same nonce to multiple accounts.
 		s.nonceLock.LockAddr(args.from())
 		defer s.nonceLock.UnlockAddr(args.from())
@@ -616,12 +618,15 @@ func (api *BlockChainAPI) ChainId() *hexutil.Big {
 }
 
 // GetActivePrecompilesAt returns the active precompile configs at the given block timestamp.
-func (s *BlockChainAPI) GetActivePrecompilesAt(ctx context.Context, blockTimestamp *big.Int) params.Precompiles {
+func (s *BlockChainAPI) GetActivePrecompilesAt(ctx context.Context, blockTimestamp *uint64) params.Precompiles {
+	var timestamp uint64
 	if blockTimestamp == nil {
-		blockTimestamp = new(big.Int).SetUint64(s.b.CurrentHeader().Time)
+		timestamp = s.b.CurrentHeader().Time
+	} else {
+		timestamp = *blockTimestamp
 	}
 
-	return s.b.ChainConfig().EnabledStatefulPrecompiles(blockTimestamp)
+	return s.b.ChainConfig().EnabledStatefulPrecompiles(timestamp)
 }
 
 type FeeConfigResult struct {
@@ -690,8 +695,10 @@ func (s *BlockChainAPI) GetProof(ctx context.Context, address common.Address, st
 	if state == nil || err != nil {
 		return nil, err
 	}
-
-	storageTrie := state.StorageTrie(address)
+	storageTrie, err := state.StorageTrie(address)
+	if err != nil {
+		return nil, err
+	}
 	storageHash := types.EmptyRootHash
 	codeHash := state.GetCodeHash(address)
 	storageProof := make([]StorageResult, len(storageKeys))
@@ -705,15 +712,19 @@ func (s *BlockChainAPI) GetProof(ctx context.Context, address common.Address, st
 	}
 
 	// create the proof for the storageKeys
-	for i, key := range storageKeys {
+	for i, hexKey := range storageKeys {
+		key, err := decodeHash(hexKey)
+		if err != nil {
+			return nil, err
+		}
 		if storageTrie != nil {
-			proof, storageError := state.GetStorageProof(address, common.HexToHash(key))
+			proof, storageError := state.GetStorageProof(address, key)
 			if storageError != nil {
 				return nil, storageError
 			}
-			storageProof[i] = StorageResult{key, (*hexutil.Big)(state.GetState(address, common.HexToHash(key)).Big()), toHexSlice(proof)}
+			storageProof[i] = StorageResult{hexKey, (*hexutil.Big)(state.GetState(address, key).Big()), toHexSlice(proof)}
 		} else {
-			storageProof[i] = StorageResult{key, &hexutil.Big{}, []string{}}
+			storageProof[i] = StorageResult{hexKey, &hexutil.Big{}, []string{}}
 		}
 	}
 
@@ -734,6 +745,25 @@ func (s *BlockChainAPI) GetProof(ctx context.Context, address common.Address, st
 	}, state.Error()
 }
 
+// decodeHash parses a hex-encoded 32-byte hash. The input may optionally
+// be prefixed by 0x and can have an byte length up to 32.
+func decodeHash(s string) (common.Hash, error) {
+	if strings.HasPrefix(s, "0x") || strings.HasPrefix(s, "0X") {
+		s = s[2:]
+	}
+	if (len(s) & 1) > 0 {
+		s = "0" + s
+	}
+	b, err := hex.DecodeString(s)
+	if err != nil {
+		return common.Hash{}, fmt.Errorf("hex string invalid")
+	}
+	if len(b) > 32 {
+		return common.Hash{}, fmt.Errorf("hex string too long, want at most 32 bytes")
+	}
+	return common.BytesToHash(b), nil
+}
+
 // GetHeaderByNumber returns the requested canonical block header.
 // * When blockNr is -1 the chain head is returned.
 // * When blockNr is -2 the pending chain head is returned.
@@ -854,12 +884,16 @@ func (s *BlockChainAPI) GetCode(ctx context.Context, address common.Address, blo
 // GetStorageAt returns the storage from the state at the given address, key and
 // block number. The rpc.LatestBlockNumber and rpc.PendingBlockNumber meta block
 // numbers are also allowed.
-func (s *BlockChainAPI) GetStorageAt(ctx context.Context, address common.Address, key string, blockNrOrHash rpc.BlockNumberOrHash) (hexutil.Bytes, error) {
+func (s *BlockChainAPI) GetStorageAt(ctx context.Context, address common.Address, hexKey string, blockNrOrHash rpc.BlockNumberOrHash) (hexutil.Bytes, error) {
 	state, _, err := s.b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
 	if state == nil || err != nil {
 		return nil, err
 	}
-	res := state.GetState(address, common.HexToHash(key))
+	key, err := decodeHash(hexKey)
+	if err != nil {
+		return nil, fmt.Errorf("unable to decode storage key: %s", err)
+	}
+	res := state.GetState(address, key)
 	return res[:], state.Error()
 }
 
@@ -912,6 +946,10 @@ func (diff *StateOverride) Apply(state *state.StateDB) error {
 			}
 		}
 	}
+	// Now finalize the changes. Finalize is normally performed between transactions.
+	// By using finalize, the overrides are semantically behaving as
+	// if they were created in a transaction just before the tracing occur.
+	state.Finalise(false)
 	return nil
 }
 
@@ -919,7 +957,7 @@ func (diff *StateOverride) Apply(state *state.StateDB) error {
 type BlockOverrides struct {
 	Number     *hexutil.Big
 	Difficulty *hexutil.Big
-	Time       *hexutil.Big
+	Time       *hexutil.Uint64
 	GasLimit   *hexutil.Uint64
 	Coinbase   *common.Address
 	BaseFee    *hexutil.Big
@@ -937,7 +975,7 @@ func (diff *BlockOverrides) Apply(blockCtx *vm.BlockContext) {
 		blockCtx.Difficulty = diff.Difficulty.ToInt()
 	}
 	if diff.Time != nil {
-		blockCtx.Time = diff.Time.ToInt()
+		blockCtx.Time = uint64(*diff.Time)
 	}
 	if diff.GasLimit != nil {
 		blockCtx.GasLimit = uint64(*diff.GasLimit)
@@ -1018,7 +1056,7 @@ func DoCall(ctx context.Context, b Backend, args TransactionArgs, blockNrOrHash
 		return nil, fmt.Errorf("execution aborted (timeout = %v)", timeout)
 	}
 	if err != nil {
-		return result, fmt.Errorf("err: %w (supplied gas %d)", err, msg.Gas())
+		return result, fmt.Errorf("err: %w (supplied gas %d)", err, msg.GasLimit)
 	}
 	return result, nil
 }
@@ -1150,7 +1188,7 @@ func DoEstimateGas(ctx context.Context, b Backend, args TransactionArgs, blockNr
 		available := new(big.Int).Set(balance)
 		if args.Value != nil {
 			if args.Value.ToInt().Cmp(available) >= 0 {
-				return 0, errors.New("insufficient funds for transfer")
+				return 0, core.ErrInsufficientFundsForTransfer
 			}
 			available.Sub(available, args.Value.ToInt())
 		}
@@ -1353,7 +1391,7 @@ type RPCTransaction struct {
 // newRPCTransaction returns a transaction that will serialize to the RPC
 // representation, with the given location metadata set (if available).
 func newRPCTransaction(tx *types.Transaction, blockHash common.Hash, blockNumber uint64, blockTimestamp uint64, index uint64, baseFee *big.Int, config *params.ChainConfig) *RPCTransaction {
-	signer := types.MakeSigner(config, new(big.Int).SetUint64(blockNumber), new(big.Int).SetUint64(blockTimestamp))
+	signer := types.MakeSigner(config, new(big.Int).SetUint64(blockNumber), blockTimestamp)
 	from, _ := types.Sender(signer, tx)
 	v, r, s := tx.RawSignatureValues()
 	result := &RPCTransaction{
@@ -1403,8 +1441,10 @@ func newRPCTransaction(tx *types.Transaction, blockHash common.Hash, blockNumber
 	return result
 }
 
-// newRPCPendingTransaction returns a pending transaction that will serialize to the RPC representation
-func newRPCPendingTransaction(tx *types.Transaction, current *types.Header, baseFee *big.Int, config *params.ChainConfig) *RPCTransaction {
+// NewRPCTransaction returns a pending transaction that will serialize to the RPC representation
+// Note: in go-ethereum this function is called NewRPCPendingTransaction.
+// In subnet-evm, we have renamed it to NewRPCTransaction as it is used for accepted transactions as well.
+func NewRPCTransaction(tx *types.Transaction, current *types.Header, baseFee *big.Int, config *params.ChainConfig) *RPCTransaction {
 	blockNumber := uint64(0)
 	blockTimestamp := uint64(0)
 	if current != nil {
@@ -1496,7 +1536,7 @@ func AccessList(ctx context.Context, b Backend, blockNrOrHash rpc.BlockNumberOrH
 		to = crypto.CreateAddress(args.from(), uint64(*args.Nonce))
 	}
 	// Retrieve the precompiles since they don't need to be added to the access list
-	precompiles := vm.ActivePrecompiles(b.ChainConfig().AvalancheRules(header.Number, new(big.Int).SetUint64(header.Time)))
+	precompiles := vm.ActivePrecompiles(b.ChainConfig().AvalancheRules(header.Number, header.Time))
 
 	// Create an initial tracer
 	prevTracer := logger.NewAccessListTracer(nil, args.from(), to, precompiles)
@@ -1525,7 +1565,7 @@ func AccessList(ctx context.Context, b Backend, blockNrOrHash rpc.BlockNumberOrH
 		if err != nil {
 			return nil, 0, nil, err
 		}
-		res, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(msg.Gas()))
+		res, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(msg.GasLimit))
 		if err != nil {
 			return nil, 0, nil, fmt.Errorf("failed to apply transaction: %v err: %v", args.toTransaction().Hash(), err)
 		}
@@ -1680,7 +1720,7 @@ func (s *TransactionAPI) GetTransactionByHash(ctx context.Context, hash common.H
 	// No finalized transaction, try to retrieve it from the pool
 	if tx := s.b.GetPoolTransaction(hash); tx != nil {
 		estimatedBaseFee, _ := s.b.EstimateBaseFee(ctx)
-		return newRPCPendingTransaction(tx, s.b.CurrentHeader(), estimatedBaseFee, s.b.ChainConfig()), nil
+		return NewRPCTransaction(tx, s.b.CurrentHeader(), estimatedBaseFee, s.b.ChainConfig()), nil
 	}
 
 	// Transaction unknown, return as such
@@ -1716,19 +1756,19 @@ func (s *TransactionAPI) GetTransactionReceipt(ctx context.Context, hash common.
 	if err != nil {
 		return nil, err
 	}
+
 	receipts, err := s.b.GetReceipts(ctx, blockHash)
 	if err != nil {
 		return nil, err
 	}
-	if uint64(len(receipts)) <= index {
+	if len(receipts) <= int(index) {
 		return nil, nil
 	}
 	receipt := receipts[index]
 
 	// Derive the sender.
 	bigblock := new(big.Int).SetUint64(blockNumber)
-	timestamp := new(big.Int).SetUint64(header.Time)
-	signer := types.MakeSigner(s.b.ChainConfig(), bigblock, timestamp)
+	signer := types.MakeSigner(s.b.ChainConfig(), bigblock, header.Time)
 	from, _ := types.Sender(signer, tx)
 
 	fields := map[string]interface{}{
@@ -1744,13 +1784,7 @@ func (s *TransactionAPI) GetTransactionReceipt(ctx context.Context, hash common.
 		"logs":              receipt.Logs,
 		"logsBloom":         receipt.Bloom,
 		"type":              hexutil.Uint(tx.Type()),
-	}
-	// Assign the effective gas price paid
-	if !s.b.ChainConfig().IsSubnetEVM(timestamp) {
-		fields["effectiveGasPrice"] = hexutil.Uint64(tx.GasPrice().Uint64())
-	} else {
-		gasPrice := new(big.Int).Add(header.BaseFee, tx.EffectiveGasTipValue(header.BaseFee))
-		fields["effectiveGasPrice"] = hexutil.Uint64(gasPrice.Uint64())
+		"effectiveGasPrice": (*hexutil.Big)(receipt.EffectiveGasPrice),
 	}
 	// Assign receipt status or post state.
 	if len(receipt.PostState) > 0 {
@@ -1761,6 +1795,7 @@ func (s *TransactionAPI) GetTransactionReceipt(ctx context.Context, hash common.
 	if receipt.Logs == nil {
 		fields["logs"] = []*types.Log{}
 	}
+
 	// If the ContractAddress is 20 0x0 bytes, assume it is not a contract creation
 	if receipt.ContractAddress != (common.Address{}) {
 		fields["contractAddress"] = receipt.ContractAddress
@@ -1797,7 +1832,7 @@ func SubmitTransaction(ctx context.Context, b Backend, tx *types.Transaction) (c
 	}
 	// Print a log with full tx details for manual investigations and interventions
 	currentBlock := b.CurrentBlock()
-	signer := types.MakeSigner(b.ChainConfig(), currentBlock.Number(), new(big.Int).SetUint64(currentBlock.Time()))
+	signer := types.MakeSigner(b.ChainConfig(), currentBlock.Number, currentBlock.Time)
 	from, err := types.Sender(signer, tx)
 	if err != nil {
 		return common.Hash{}, err
@@ -1824,7 +1859,7 @@ func (s *TransactionAPI) SendTransaction(ctx context.Context, args TransactionAr
 	}
 
 	if args.Nonce == nil {
-		// Hold the addresse's mutex around signing to prevent concurrent assignment of
+		// Hold the mutex around signing to prevent concurrent assignment of
 		// the same nonce to multiple accounts.
 		s.nonceLock.LockAddr(args.from())
 		defer s.nonceLock.UnlockAddr(args.from())
@@ -1953,7 +1988,7 @@ func (s *TransactionAPI) PendingTransactions() ([]*RPCTransaction, error) {
 		from, _ := types.Sender(s.signer, tx)
 		if _, exists := accounts[from]; exists {
 			estimatedBaseFee, _ := s.b.EstimateBaseFee(context.Background())
-			transactions = append(transactions, newRPCPendingTransaction(tx, curHeader, estimatedBaseFee, s.b.ChainConfig()))
+			transactions = append(transactions, NewRPCTransaction(tx, curHeader, estimatedBaseFee, s.b.ChainConfig()))
 		}
 	}
 	return transactions, nil
@@ -2022,25 +2057,45 @@ func NewDebugAPI(b Backend) *DebugAPI {
 	return &DebugAPI{b: b}
 }
 
-// GetHeaderRlp retrieves the RLP encoded for of a single header.
-func (api *DebugAPI) GetHeaderRlp(ctx context.Context, number uint64) (hexutil.Bytes, error) {
-	header, _ := api.b.HeaderByNumber(ctx, rpc.BlockNumber(number))
+// GetRawHeader retrieves the RLP encoding for a single header.
+func (api *DebugAPI) GetRawHeader(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (hexutil.Bytes, error) {
+	var hash common.Hash
+	if h, ok := blockNrOrHash.Hash(); ok {
+		hash = h
+	} else {
+		block, err := api.b.BlockByNumberOrHash(ctx, blockNrOrHash)
+		if err != nil {
+			return nil, err
+		}
+		hash = block.Hash()
+	}
+	header, _ := api.b.HeaderByHash(ctx, hash)
 	if header == nil {
-		return nil, fmt.Errorf("header #%d not found", number)
+		return nil, fmt.Errorf("header #%d not found", hash)
 	}
 	return rlp.EncodeToBytes(header)
 }
 
-// GetBlockRlp retrieves the RLP encoded for of a single block.
-func (api *DebugAPI) GetBlockRlp(ctx context.Context, number uint64) (hexutil.Bytes, error) {
-	block, _ := api.b.BlockByNumber(ctx, rpc.BlockNumber(number))
+// GetRawBlock retrieves the RLP encoded for a single block.
+func (api *DebugAPI) GetRawBlock(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (hexutil.Bytes, error) {
+	var hash common.Hash
+	if h, ok := blockNrOrHash.Hash(); ok {
+		hash = h
+	} else {
+		block, err := api.b.BlockByNumberOrHash(ctx, blockNrOrHash)
+		if err != nil {
+			return nil, err
+		}
+		hash = block.Hash()
+	}
+	block, _ := api.b.BlockByHash(ctx, hash)
 	if block == nil {
-		return nil, fmt.Errorf("block #%d not found", number)
+		return nil, fmt.Errorf("block #%d not found", hash)
 	}
 	return rlp.EncodeToBytes(block)
 }
 
-// GetRawReceipts retrieves the binary-encoded raw receipts of a single block.
+// GetRawReceipts retrieves the binary-encoded receipts of a single block.
 func (api *DebugAPI) GetRawReceipts(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) ([]hexutil.Bytes, error) {
 	var hash common.Hash
 	if h, ok := blockNrOrHash.Hash(); ok {
@@ -2067,6 +2122,22 @@ func (api *DebugAPI) GetRawReceipts(ctx context.Context, blockNrOrHash rpc.Block
 	return result, nil
 }
 
+// GetRawTransaction returns the bytes of the transaction for the given hash.
+func (s *DebugAPI) GetRawTransaction(ctx context.Context, hash common.Hash) (hexutil.Bytes, error) {
+	// Retrieve a finalized transaction, or a pooled otherwise
+	tx, _, _, _, err := s.b.GetTransaction(ctx, hash)
+	if err != nil {
+		return nil, err
+	}
+	if tx == nil {
+		if tx = s.b.GetPoolTransaction(hash); tx == nil {
+			// Transaction not found anywhere, abort
+			return nil, nil
+		}
+	}
+	return tx.MarshalBinary()
+}
+
 // PrintBlock retrieves a block and returns its pretty printed form.
 func (api *DebugAPI) PrintBlock(ctx context.Context, number uint64) (string, error) {
 	block, _ := api.b.BlockByNumber(ctx, rpc.BlockNumber(number))
diff --git a/internal/ethapi/api_test.go b/internal/ethapi/api_test.go
new file mode 100644
index 0000000000..f6d400130c
--- /dev/null
+++ b/internal/ethapi/api_test.go
@@ -0,0 +1,169 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2023 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package ethapi
+
+import (
+	"encoding/json"
+	"math/big"
+	"testing"
+
+	"github.com/ava-labs/subnet-evm/core/types"
+	"github.com/ava-labs/subnet-evm/params"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
+)
+
+func TestTransaction_RoundTripRpcJSON(t *testing.T) {
+	var (
+		config = params.TestChainConfig
+		signer = types.LatestSigner(config)
+		key, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
+		tests  = allTransactionTypes(common.Address{0xde, 0xad}, config)
+	)
+	t.Parallel()
+	for i, tt := range tests {
+		var tx2 types.Transaction
+		tx, err := types.SignNewTx(key, signer, tt)
+		if err != nil {
+			t.Fatalf("test %d: signing failed: %v", i, err)
+		}
+		// Regular transaction
+		if data, err := json.Marshal(tx); err != nil {
+			t.Fatalf("test %d: marshalling failed; %v", i, err)
+		} else if err = tx2.UnmarshalJSON(data); err != nil {
+			t.Fatalf("test %d: sunmarshal failed: %v", i, err)
+		} else if want, have := tx.Hash(), tx2.Hash(); want != have {
+			t.Fatalf("test %d: stx changed, want %x have %x", i, want, have)
+		}
+
+		//  rpcTransaction
+		rpcTx := newRPCTransaction(tx, common.Hash{}, 0, 0, 0, nil, config)
+		if data, err := json.Marshal(rpcTx); err != nil {
+			t.Fatalf("test %d: marshalling failed; %v", i, err)
+		} else if err = tx2.UnmarshalJSON(data); err != nil {
+			t.Fatalf("test %d: unmarshal failed: %v", i, err)
+		} else if want, have := tx.Hash(), tx2.Hash(); want != have {
+			t.Fatalf("test %d: tx changed, want %x have %x", i, want, have)
+		}
+	}
+}
+
+func allTransactionTypes(addr common.Address, config *params.ChainConfig) []types.TxData {
+	return []types.TxData{
+		&types.LegacyTx{
+			Nonce:    5,
+			GasPrice: big.NewInt(6),
+			Gas:      7,
+			To:       &addr,
+			Value:    big.NewInt(8),
+			Data:     []byte{0, 1, 2, 3, 4},
+			V:        big.NewInt(9),
+			R:        big.NewInt(10),
+			S:        big.NewInt(11),
+		},
+		&types.LegacyTx{
+			Nonce:    5,
+			GasPrice: big.NewInt(6),
+			Gas:      7,
+			To:       nil,
+			Value:    big.NewInt(8),
+			Data:     []byte{0, 1, 2, 3, 4},
+			V:        big.NewInt(32),
+			R:        big.NewInt(10),
+			S:        big.NewInt(11),
+		},
+		&types.AccessListTx{
+			ChainID:  config.ChainID,
+			Nonce:    5,
+			GasPrice: big.NewInt(6),
+			Gas:      7,
+			To:       &addr,
+			Value:    big.NewInt(8),
+			Data:     []byte{0, 1, 2, 3, 4},
+			AccessList: types.AccessList{
+				types.AccessTuple{
+					Address:     common.Address{0x2},
+					StorageKeys: []common.Hash{types.EmptyRootHash},
+				},
+			},
+			V: big.NewInt(32),
+			R: big.NewInt(10),
+			S: big.NewInt(11),
+		},
+		&types.AccessListTx{
+			ChainID:  config.ChainID,
+			Nonce:    5,
+			GasPrice: big.NewInt(6),
+			Gas:      7,
+			To:       nil,
+			Value:    big.NewInt(8),
+			Data:     []byte{0, 1, 2, 3, 4},
+			AccessList: types.AccessList{
+				types.AccessTuple{
+					Address:     common.Address{0x2},
+					StorageKeys: []common.Hash{types.EmptyRootHash},
+				},
+			},
+			V: big.NewInt(32),
+			R: big.NewInt(10),
+			S: big.NewInt(11),
+		},
+		&types.DynamicFeeTx{
+			ChainID:   config.ChainID,
+			Nonce:     5,
+			GasTipCap: big.NewInt(6),
+			GasFeeCap: big.NewInt(9),
+			Gas:       7,
+			To:        &addr,
+			Value:     big.NewInt(8),
+			Data:      []byte{0, 1, 2, 3, 4},
+			AccessList: types.AccessList{
+				types.AccessTuple{
+					Address:     common.Address{0x2},
+					StorageKeys: []common.Hash{types.EmptyRootHash},
+				},
+			},
+			V: big.NewInt(32),
+			R: big.NewInt(10),
+			S: big.NewInt(11),
+		},
+		&types.DynamicFeeTx{
+			ChainID:    config.ChainID,
+			Nonce:      5,
+			GasTipCap:  big.NewInt(6),
+			GasFeeCap:  big.NewInt(9),
+			Gas:        7,
+			To:         nil,
+			Value:      big.NewInt(8),
+			Data:       []byte{0, 1, 2, 3, 4},
+			AccessList: types.AccessList{},
+			V:          big.NewInt(32),
+			R:          big.NewInt(10),
+			S:          big.NewInt(11),
+		},
+	}
+}
diff --git a/internal/ethapi/backend.go b/internal/ethapi/backend.go
index ef82ae5a76..67abeea7f8 100644
--- a/internal/ethapi/backend.go
+++ b/internal/ethapi/backend.go
@@ -36,10 +36,10 @@ import (
 	"github.com/ava-labs/subnet-evm/commontype"
 	"github.com/ava-labs/subnet-evm/consensus"
 	"github.com/ava-labs/subnet-evm/core"
+	"github.com/ava-labs/subnet-evm/core/bloombits"
 	"github.com/ava-labs/subnet-evm/core/state"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/core/vm"
-	"github.com/ava-labs/subnet-evm/eth/filters"
 	"github.com/ava-labs/subnet-evm/ethdb"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ava-labs/subnet-evm/rpc"
@@ -68,14 +68,14 @@ type Backend interface {
 	HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error)
 	HeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Header, error)
 	CurrentHeader() *types.Header
-	CurrentBlock() *types.Block
+	CurrentBlock() *types.Header
 	BlockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error)
 	BlockByHash(ctx context.Context, hash common.Hash) (*types.Block, error)
 	BlockByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Block, error)
 	StateAndHeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*state.StateDB, *types.Header, error)
 	StateAndHeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*state.StateDB, *types.Header, error)
 	GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error)
-	GetEVM(ctx context.Context, msg core.Message, state *state.StateDB, header *types.Header, vmConfig *vm.Config) (*vm.EVM, func() error, error)
+	GetEVM(ctx context.Context, msg *core.Message, state *state.StateDB, header *types.Header, vmConfig *vm.Config) (*vm.EVM, func() error, error)
 	SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription
 	SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription
 	SubscribeChainSideEvent(ch chan<- core.ChainSideEvent) event.Subscription
@@ -97,9 +97,16 @@ type Backend interface {
 	Engine() consensus.Engine
 	LastAcceptedBlock() *types.Block
 
+	// This is copied from filters.Backend
 	// eth/filters needs to be initialized from this backend type, so methods needed by
 	// it must also be included here.
-	filters.Backend
+	GetBody(ctx context.Context, hash common.Hash, number rpc.BlockNumber) (*types.Body, error)
+	GetLogs(ctx context.Context, blockHash common.Hash, number uint64) ([][]*types.Log, error)
+	SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription
+	SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription
+	SubscribePendingLogsEvent(ch chan<- []*types.Log) event.Subscription
+	BloomStatus() (uint64, uint64)
+	ServiceFilter(ctx context.Context, session *bloombits.MatcherSession)
 }
 
 func GetAPIs(apiBackend Backend) []rpc.API {
diff --git a/internal/ethapi/transaction_args.go b/internal/ethapi/transaction_args.go
index 37e50f676e..1ce56fa5b4 100644
--- a/internal/ethapi/transaction_args.go
+++ b/internal/ethapi/transaction_args.go
@@ -33,6 +33,7 @@ import (
 	"fmt"
 	"math/big"
 
+	"github.com/ava-labs/subnet-evm/core"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ava-labs/subnet-evm/rpc"
@@ -167,7 +168,7 @@ func (args *TransactionArgs) setFeeDefaults(ctx context.Context, b feeBackend) e
 	}
 	// Now attempt to fill in default value depending on whether London is active or not.
 	head := b.CurrentHeader()
-	if b.ChainConfig().IsSubnetEVM(new(big.Int).SetUint64(head.Time)) {
+	if b.ChainConfig().IsSubnetEVM(head.Time) {
 		// London is active, set maxPriorityFeePerGas and maxFeePerGas.
 		if err := args.setSubnetEVMFeeDefault(ctx, head, b); err != nil {
 			return err
@@ -218,10 +219,10 @@ func (args *TransactionArgs) setSubnetEVMFeeDefault(ctx context.Context, head *t
 // ToMessage converts the transaction arguments to the Message type used by the
 // core evm. This method is used in calls and traces that do not require a real
 // live transaction.
-func (args *TransactionArgs) ToMessage(globalGasCap uint64, baseFee *big.Int) (types.Message, error) {
+func (args *TransactionArgs) ToMessage(globalGasCap uint64, baseFee *big.Int) (*core.Message, error) {
 	// Reject invalid combinations of pre- and post-1559 fee styles
 	if args.GasPrice != nil && (args.MaxFeePerGas != nil || args.MaxPriorityFeePerGas != nil) {
-		return types.Message{}, errors.New("both gasPrice and (maxFeePerGas or maxPriorityFeePerGas) specified")
+		return nil, errors.New("both gasPrice and (maxFeePerGas or maxPriorityFeePerGas) specified")
 	}
 	// Set sender address or use zero address if none specified.
 	addr := args.from()
@@ -282,7 +283,18 @@ func (args *TransactionArgs) ToMessage(globalGasCap uint64, baseFee *big.Int) (t
 	if args.AccessList != nil {
 		accessList = *args.AccessList
 	}
-	msg := types.NewMessage(addr, args.To, 0, value, gas, gasPrice, gasFeeCap, gasTipCap, data, accessList, true)
+	msg := &core.Message{
+		From:              addr,
+		To:                args.To,
+		Value:             value,
+		GasLimit:          gas,
+		GasPrice:          gasPrice,
+		GasFeeCap:         gasFeeCap,
+		GasTipCap:         gasTipCap,
+		Data:              data,
+		AccessList:        accessList,
+		SkipAccountChecks: true,
+	}
 	return msg, nil
 }
 
diff --git a/internal/ethapi/transaction_args_test.go b/internal/ethapi/transaction_args_test.go
index 6f8ff8fbb9..e6d4f7288f 100644
--- a/internal/ethapi/transaction_args_test.go
+++ b/internal/ethapi/transaction_args_test.go
@@ -35,6 +35,7 @@ import (
 
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/params"
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 )
@@ -225,8 +226,8 @@ func newBackendMock() *backendMock {
 		PetersburgBlock:     big.NewInt(0),
 		IstanbulBlock:       big.NewInt(0),
 		MuirGlacierBlock:    big.NewInt(0),
-		NetworkUpgrades: params.NetworkUpgrades{
-			SubnetEVMTimestamp: big.NewInt(1000),
+		MandatoryNetworkUpgrades: params.MandatoryNetworkUpgrades{
+			SubnetEVMTimestamp: utils.NewUint64(1000),
 		},
 	}
 	return &backendMock{
diff --git a/internal/flags/categories.go b/internal/flags/categories.go
new file mode 100644
index 0000000000..02d063a65a
--- /dev/null
+++ b/internal/flags/categories.go
@@ -0,0 +1,53 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package flags
+
+import "github.com/urfave/cli/v2"
+
+const (
+	EthCategory        = "ETHEREUM"
+	LightCategory      = "LIGHT CLIENT"
+	DevCategory        = "DEVELOPER CHAIN"
+	EthashCategory     = "ETHASH"
+	TxPoolCategory     = "TRANSACTION POOL"
+	PerfCategory       = "PERFORMANCE TUNING"
+	AccountCategory    = "ACCOUNT"
+	APICategory        = "API AND CONSOLE"
+	NetworkingCategory = "NETWORKING"
+	MinerCategory      = "MINER"
+	GasPriceCategory   = "GAS PRICE ORACLE"
+	VMCategory         = "VIRTUAL MACHINE"
+	LoggingCategory    = "LOGGING AND DEBUGGING"
+	MetricsCategory    = "METRICS AND STATS"
+	MiscCategory       = "MISC"
+	DeprecatedCategory = "ALIASED (deprecated)"
+)
+
+func init() {
+	cli.HelpFlag.(*cli.BoolFlag).Category = MiscCategory
+	cli.VersionFlag.(*cli.BoolFlag).Category = MiscCategory
+}
diff --git a/internal/flags/helpers.go b/internal/flags/helpers.go
index f1eacffc73..6241d05ef5 100644
--- a/internal/flags/helpers.go
+++ b/internal/flags/helpers.go
@@ -30,17 +30,19 @@ import (
 	"fmt"
 	"strings"
 
+	"github.com/ava-labs/subnet-evm/internal/version"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/urfave/cli/v2"
 )
 
 // NewApp creates an app with sane defaults.
-func NewApp(gitCommit, gitDate, usage string) *cli.App {
+func NewApp(usage string) *cli.App {
+	git, _ := version.VCS()
 	app := cli.NewApp()
 	app.EnableBashCompletion = true
-	app.Version = params.VersionWithCommit(gitCommit, gitDate)
+	app.Version = params.VersionWithCommit(git.Commit, git.Date)
 	app.Usage = usage
-	app.Copyright = "Copyright 2013-2022 The go-ethereum Authors"
+	app.Copyright = "Copyright 2013-2023 The go-ethereum Authors"
 	app.Before = func(ctx *cli.Context) error {
 		MigrateGlobalFlags(ctx)
 		return nil
@@ -102,10 +104,34 @@ func MigrateGlobalFlags(ctx *cli.Context) {
 }
 
 func doMigrateFlags(ctx *cli.Context) {
+	// Figure out if there are any aliases of commands. If there are, we want
+	// to ignore them when iterating over the flags.
+	var aliases = make(map[string]bool)
+	for _, fl := range ctx.Command.Flags {
+		for _, alias := range fl.Names()[1:] {
+			aliases[alias] = true
+		}
+	}
 	for _, name := range ctx.FlagNames() {
 		for _, parent := range ctx.Lineage()[1:] {
 			if parent.IsSet(name) {
-				ctx.Set(name, parent.String(name))
+				// When iterating across the lineage, we will be served both
+				// the 'canon' and alias formats of all commmands. In most cases,
+				// it's fine to set it in the ctx multiple times (one for each
+				// name), however, the Slice-flags are not fine.
+				// The slice-flags accumulate, so if we set it once as
+				// "foo" and once as alias "F", then both will be present in the slice.
+				if _, isAlias := aliases[name]; isAlias {
+					continue
+				}
+				// If it is a string-slice, we need to set it as
+				// "alfa, beta, gamma" instead of "[alfa beta gamma]", in order
+				// for the backing StringSlice to parse it properly.
+				if result := parent.StringSlice(name); len(result) > 0 {
+					ctx.Set(name, strings.Join(result, ","))
+				} else {
+					ctx.Set(name, parent.String(name))
+				}
 				break
 			}
 		}
diff --git a/internal/version/vcs.go b/internal/version/vcs.go
new file mode 100644
index 0000000000..7016458999
--- /dev/null
+++ b/internal/version/vcs.go
@@ -0,0 +1,62 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package version
+
+import (
+	"runtime/debug"
+	"time"
+)
+
+// In go 1.18 and beyond, the go tool embeds VCS information into the build.
+
+const (
+	govcsTimeLayout = "2006-01-02T15:04:05Z"
+	ourTimeLayout   = "20060102"
+)
+
+// buildInfoVCS returns VCS information of the build.
+func buildInfoVCS(info *debug.BuildInfo) (s VCSInfo, ok bool) {
+	for _, v := range info.Settings {
+		switch v.Key {
+		case "vcs.revision":
+			s.Commit = v.Value
+		case "vcs.modified":
+			if v.Value == "true" {
+				s.Dirty = true
+			}
+		case "vcs.time":
+			t, err := time.Parse(govcsTimeLayout, v.Value)
+			if err == nil {
+				s.Date = t.Format(ourTimeLayout)
+			}
+		}
+	}
+	if s.Commit != "" && s.Date != "" {
+		ok = true
+	}
+	return
+}
diff --git a/internal/version/version.go b/internal/version/version.go
new file mode 100644
index 0000000000..8a9b79b907
--- /dev/null
+++ b/internal/version/version.go
@@ -0,0 +1,151 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// Package version implements reading of build version information.
+package version
+
+import (
+	"fmt"
+	"runtime"
+	"runtime/debug"
+	"strings"
+
+	"github.com/ava-labs/subnet-evm/params"
+)
+
+const ourPath = "github.com/ava-labs/subnet-evm" // Path to our module
+
+// These variables are set at build-time by the linker when the build is
+// done by build/ci.go.
+var gitCommit, gitDate string
+
+// VCSInfo represents the git repository state.
+type VCSInfo struct {
+	Commit string // head commit hash
+	Date   string // commit time in YYYYMMDD format
+	Dirty  bool
+}
+
+// VCS returns version control information of the current executable.
+func VCS() (VCSInfo, bool) {
+	if gitCommit != "" {
+		// Use information set by the build script if present.
+		return VCSInfo{Commit: gitCommit, Date: gitDate}, true
+	}
+	if buildInfo, ok := debug.ReadBuildInfo(); ok {
+		if buildInfo.Main.Path == ourPath {
+			return buildInfoVCS(buildInfo)
+		}
+	}
+	return VCSInfo{}, false
+}
+
+// ClientName creates a software name/version identifier according to common
+// conventions in the Ethereum p2p network.
+func ClientName(clientIdentifier string) string {
+	git, _ := VCS()
+	return fmt.Sprintf("%s/v%v/%v-%v/%v",
+		strings.Title(clientIdentifier),
+		params.VersionWithCommit(git.Commit, git.Date),
+		runtime.GOOS, runtime.GOARCH,
+		runtime.Version(),
+	)
+}
+
+// runtimeInfo returns build and platform information about the current binary.
+//
+// If the package that is currently executing is a prefixed by our go-ethereum
+// module path, it will print out commit and date VCS information. Otherwise,
+// it will assume it's imported by a third-party and will return the imported
+// version and whether it was replaced by another module.
+func Info() (version, vcs string) {
+	version = params.VersionWithMeta
+	buildInfo, ok := debug.ReadBuildInfo()
+	if !ok {
+		return version, ""
+	}
+	version = versionInfo(buildInfo)
+	if status, ok := VCS(); ok {
+		modified := ""
+		if status.Dirty {
+			modified = " (dirty)"
+		}
+		commit := status.Commit
+		if len(commit) > 8 {
+			commit = commit[:8]
+		}
+		vcs = commit + "-" + status.Date + modified
+	}
+	return version, vcs
+}
+
+// versionInfo returns version information for the currently executing
+// implementation.
+//
+// Depending on how the code is instantiated, it returns different amounts of
+// information. If it is unable to determine which module is related to our
+// package it falls back to the hardcoded values in the params package.
+func versionInfo(info *debug.BuildInfo) string {
+	// If the main package is from our repo, prefix version with "geth".
+	if strings.HasPrefix(info.Path, ourPath) {
+		return fmt.Sprintf("geth %s", info.Main.Version)
+	}
+	// Not our main package, so explicitly print out the module path and
+	// version.
+	var version string
+	if info.Main.Path != "" && info.Main.Version != "" {
+		// These can be empty when invoked with "go run".
+		version = fmt.Sprintf("%s@%s ", info.Main.Path, info.Main.Version)
+	}
+	mod := findModule(info, ourPath)
+	if mod == nil {
+		// If our module path wasn't imported, it's unclear which
+		// version of our code they are running. Fallback to hardcoded
+		// version.
+		return version + fmt.Sprintf("geth %s", params.VersionWithMeta)
+	}
+	// Our package is a dependency for the main module. Return path and
+	// version data for both.
+	version += fmt.Sprintf("%s@%s", mod.Path, mod.Version)
+	if mod.Replace != nil {
+		// If our package was replaced by something else, also note that.
+		version += fmt.Sprintf(" (replaced by %s@%s)", mod.Replace.Path, mod.Replace.Version)
+	}
+	return version
+}
+
+// findModule returns the module at path.
+func findModule(info *debug.BuildInfo, path string) *debug.Module {
+	if info.Path == ourPath {
+		return &info.Main
+	}
+	for _, mod := range info.Deps {
+		if mod.Path == path {
+			return mod
+		}
+	}
+	return nil
+}
diff --git a/metrics/cpu.go b/metrics/cpu.go
index 6bd560b328..472a1a42d8 100644
--- a/metrics/cpu.go
+++ b/metrics/cpu.go
@@ -27,8 +27,9 @@
 package metrics
 
 // CPUStats is the system and process CPU stats.
+// All values are in seconds.
 type CPUStats struct {
-	GlobalTime int64 // Time spent by the CPU working on all processes
-	GlobalWait int64 // Time spent by waiting on disk for all processes
-	LocalTime  int64 // Time spent by the CPU working on this process
+	GlobalTime float64 // Time spent by the CPU working on all processes
+	GlobalWait float64 // Time spent by waiting on disk for all processes
+	LocalTime  float64 // Time spent by the CPU working on this process
 }
diff --git a/metrics/cpu_enabled.go b/metrics/cpu_enabled.go
index b04b432f1b..7b5fe4d207 100644
--- a/metrics/cpu_enabled.go
+++ b/metrics/cpu_enabled.go
@@ -48,7 +48,7 @@ func ReadCPUStats(stats *CPUStats) {
 	}
 	// requesting all cpu times will always return an array with only one time stats entry
 	timeStat := timeStats[0]
-	stats.GlobalTime = int64((timeStat.User + timeStat.Nice + timeStat.System) * cpu.ClocksPerSec)
-	stats.GlobalWait = int64((timeStat.Iowait) * cpu.ClocksPerSec)
+	stats.GlobalTime = timeStat.User + timeStat.Nice + timeStat.System
+	stats.GlobalWait = timeStat.Iowait
 	stats.LocalTime = getProcessCPUTime()
 }
diff --git a/metrics/cputime_nop.go b/metrics/cputime_nop.go
index 995a68fef1..275b983717 100644
--- a/metrics/cputime_nop.go
+++ b/metrics/cputime_nop.go
@@ -31,6 +31,6 @@ package metrics
 
 // getProcessCPUTime returns 0 on Windows as there is no system call to resolve
 // the actual process' CPU time.
-func getProcessCPUTime() int64 {
+func getProcessCPUTime() float64 {
 	return 0
 }
diff --git a/metrics/cputime_unix.go b/metrics/cputime_unix.go
index 95f60ed830..5a479d8aa8 100644
--- a/metrics/cputime_unix.go
+++ b/metrics/cputime_unix.go
@@ -36,11 +36,11 @@ import (
 )
 
 // getProcessCPUTime retrieves the process' CPU time since program startup.
-func getProcessCPUTime() int64 {
+func getProcessCPUTime() float64 {
 	var usage syscall.Rusage
 	if err := syscall.Getrusage(syscall.RUSAGE_SELF, &usage); err != nil {
 		log.Warn("Failed to retrieve CPU time", "err", err)
 		return 0
 	}
-	return int64(usage.Utime.Sec+usage.Stime.Sec)*100 + int64(usage.Utime.Usec+usage.Stime.Usec)/10000 //nolint:unconvert
+	return float64(usage.Utime.Sec+usage.Stime.Sec) + float64(usage.Utime.Usec+usage.Stime.Usec)/1000000 //nolint:unconvert
 }
diff --git a/metrics/metrics_test.go b/metrics/metrics_test.go
index 029c99870e..cb918afa64 100644
--- a/metrics/metrics_test.go
+++ b/metrics/metrics_test.go
@@ -2,8 +2,6 @@ package metrics
 
 import (
 	"fmt"
-	"io"
-	"log"
 	"sync"
 	"testing"
 	"time"
@@ -11,12 +9,6 @@ import (
 
 const FANOUT = 128
 
-// Stop the compiler from complaining during debugging.
-var (
-	_ = io.Discard
-	_ = log.LstdFlags
-)
-
 func BenchmarkMetrics(b *testing.B) {
 	r := NewRegistry()
 	c := NewRegisteredCounter("counter", r)
@@ -26,7 +18,6 @@ func BenchmarkMetrics(b *testing.B) {
 	m := NewRegisteredMeter("meter", r)
 	t := NewRegisteredTimer("timer", r)
 	RegisterDebugGCStats(r)
-	RegisterRuntimeMemStats(r)
 	b.ResetTimer()
 	ch := make(chan bool)
 
@@ -48,24 +39,6 @@ func BenchmarkMetrics(b *testing.B) {
 		}()
 	//*/
 
-	wgR := &sync.WaitGroup{}
-	//*
-	wgR.Add(1)
-	go func() {
-		defer wgR.Done()
-		//log.Println("go CaptureRuntimeMemStats")
-		for {
-			select {
-			case <-ch:
-				//log.Println("done CaptureRuntimeMemStats")
-				return
-			default:
-				CaptureRuntimeMemStatsOnce(r)
-			}
-		}
-	}()
-	//*/
-
 	wgW := &sync.WaitGroup{}
 	/*
 		wgW.Add(1)
@@ -104,7 +77,6 @@ func BenchmarkMetrics(b *testing.B) {
 	wg.Wait()
 	close(ch)
 	wgD.Wait()
-	wgR.Wait()
 	wgW.Wait()
 }
 
diff --git a/metrics/runtime.go b/metrics/runtime.go
deleted file mode 100644
index 9450c479ba..0000000000
--- a/metrics/runtime.go
+++ /dev/null
@@ -1,212 +0,0 @@
-package metrics
-
-import (
-	"runtime"
-	"runtime/pprof"
-	"time"
-)
-
-var (
-	memStats       runtime.MemStats
-	runtimeMetrics struct {
-		MemStats struct {
-			Alloc         Gauge
-			BuckHashSys   Gauge
-			DebugGC       Gauge
-			EnableGC      Gauge
-			Frees         Gauge
-			HeapAlloc     Gauge
-			HeapIdle      Gauge
-			HeapInuse     Gauge
-			HeapObjects   Gauge
-			HeapReleased  Gauge
-			HeapSys       Gauge
-			LastGC        Gauge
-			Lookups       Gauge
-			Mallocs       Gauge
-			MCacheInuse   Gauge
-			MCacheSys     Gauge
-			MSpanInuse    Gauge
-			MSpanSys      Gauge
-			NextGC        Gauge
-			NumGC         Gauge
-			GCCPUFraction GaugeFloat64
-			PauseNs       Histogram
-			PauseTotalNs  Gauge
-			StackInuse    Gauge
-			StackSys      Gauge
-			Sys           Gauge
-			TotalAlloc    Gauge
-		}
-		NumCgoCall   Gauge
-		NumGoroutine Gauge
-		NumThread    Gauge
-		ReadMemStats Timer
-	}
-	frees       uint64
-	lookups     uint64
-	mallocs     uint64
-	numGC       uint32
-	numCgoCalls int64
-
-	threadCreateProfile = pprof.Lookup("threadcreate")
-)
-
-// Capture new values for the Go runtime statistics exported in
-// runtime.MemStats.  This is designed to be called as a goroutine.
-func CaptureRuntimeMemStats(r Registry, d time.Duration) {
-	for range time.Tick(d) {
-		CaptureRuntimeMemStatsOnce(r)
-	}
-}
-
-// Capture new values for the Go runtime statistics exported in
-// runtime.MemStats.  This is designed to be called in a background
-// goroutine.  Giving a registry which has not been given to
-// RegisterRuntimeMemStats will panic.
-//
-// Be very careful with this because runtime.ReadMemStats calls the C
-// functions runtime·semacquire(&runtime·worldsema) and runtime·stoptheworld()
-// and that last one does what it says on the tin.
-func CaptureRuntimeMemStatsOnce(r Registry) {
-	t := time.Now()
-	runtime.ReadMemStats(&memStats) // This takes 50-200us.
-	runtimeMetrics.ReadMemStats.UpdateSince(t)
-
-	runtimeMetrics.MemStats.Alloc.Update(int64(memStats.Alloc))
-	runtimeMetrics.MemStats.BuckHashSys.Update(int64(memStats.BuckHashSys))
-	if memStats.DebugGC {
-		runtimeMetrics.MemStats.DebugGC.Update(1)
-	} else {
-		runtimeMetrics.MemStats.DebugGC.Update(0)
-	}
-	if memStats.EnableGC {
-		runtimeMetrics.MemStats.EnableGC.Update(1)
-	} else {
-		runtimeMetrics.MemStats.EnableGC.Update(0)
-	}
-
-	runtimeMetrics.MemStats.Frees.Update(int64(memStats.Frees - frees))
-	runtimeMetrics.MemStats.HeapAlloc.Update(int64(memStats.HeapAlloc))
-	runtimeMetrics.MemStats.HeapIdle.Update(int64(memStats.HeapIdle))
-	runtimeMetrics.MemStats.HeapInuse.Update(int64(memStats.HeapInuse))
-	runtimeMetrics.MemStats.HeapObjects.Update(int64(memStats.HeapObjects))
-	runtimeMetrics.MemStats.HeapReleased.Update(int64(memStats.HeapReleased))
-	runtimeMetrics.MemStats.HeapSys.Update(int64(memStats.HeapSys))
-	runtimeMetrics.MemStats.LastGC.Update(int64(memStats.LastGC))
-	runtimeMetrics.MemStats.Lookups.Update(int64(memStats.Lookups - lookups))
-	runtimeMetrics.MemStats.Mallocs.Update(int64(memStats.Mallocs - mallocs))
-	runtimeMetrics.MemStats.MCacheInuse.Update(int64(memStats.MCacheInuse))
-	runtimeMetrics.MemStats.MCacheSys.Update(int64(memStats.MCacheSys))
-	runtimeMetrics.MemStats.MSpanInuse.Update(int64(memStats.MSpanInuse))
-	runtimeMetrics.MemStats.MSpanSys.Update(int64(memStats.MSpanSys))
-	runtimeMetrics.MemStats.NextGC.Update(int64(memStats.NextGC))
-	runtimeMetrics.MemStats.NumGC.Update(int64(memStats.NumGC - numGC))
-	runtimeMetrics.MemStats.GCCPUFraction.Update(gcCPUFraction(&memStats))
-
-	// <https://code.google.com/p/go/source/browse/src/pkg/runtime/mgc0.c>
-	i := numGC % uint32(len(memStats.PauseNs))
-	ii := memStats.NumGC % uint32(len(memStats.PauseNs))
-	if memStats.NumGC-numGC >= uint32(len(memStats.PauseNs)) {
-		for i = 0; i < uint32(len(memStats.PauseNs)); i++ {
-			runtimeMetrics.MemStats.PauseNs.Update(int64(memStats.PauseNs[i]))
-		}
-	} else {
-		if i > ii {
-			for ; i < uint32(len(memStats.PauseNs)); i++ {
-				runtimeMetrics.MemStats.PauseNs.Update(int64(memStats.PauseNs[i]))
-			}
-			i = 0
-		}
-		for ; i < ii; i++ {
-			runtimeMetrics.MemStats.PauseNs.Update(int64(memStats.PauseNs[i]))
-		}
-	}
-	frees = memStats.Frees
-	lookups = memStats.Lookups
-	mallocs = memStats.Mallocs
-	numGC = memStats.NumGC
-
-	runtimeMetrics.MemStats.PauseTotalNs.Update(int64(memStats.PauseTotalNs))
-	runtimeMetrics.MemStats.StackInuse.Update(int64(memStats.StackInuse))
-	runtimeMetrics.MemStats.StackSys.Update(int64(memStats.StackSys))
-	runtimeMetrics.MemStats.Sys.Update(int64(memStats.Sys))
-	runtimeMetrics.MemStats.TotalAlloc.Update(int64(memStats.TotalAlloc))
-
-	currentNumCgoCalls := numCgoCall()
-	runtimeMetrics.NumCgoCall.Update(currentNumCgoCalls - numCgoCalls)
-	numCgoCalls = currentNumCgoCalls
-
-	runtimeMetrics.NumGoroutine.Update(int64(runtime.NumGoroutine()))
-
-	runtimeMetrics.NumThread.Update(int64(threadCreateProfile.Count()))
-}
-
-// Register runtimeMetrics for the Go runtime statistics exported in runtime and
-// specifically runtime.MemStats.  The runtimeMetrics are named by their
-// fully-qualified Go symbols, i.e. runtime.MemStats.Alloc.
-func RegisterRuntimeMemStats(r Registry) {
-	runtimeMetrics.MemStats.Alloc = NewGauge()
-	runtimeMetrics.MemStats.BuckHashSys = NewGauge()
-	runtimeMetrics.MemStats.DebugGC = NewGauge()
-	runtimeMetrics.MemStats.EnableGC = NewGauge()
-	runtimeMetrics.MemStats.Frees = NewGauge()
-	runtimeMetrics.MemStats.HeapAlloc = NewGauge()
-	runtimeMetrics.MemStats.HeapIdle = NewGauge()
-	runtimeMetrics.MemStats.HeapInuse = NewGauge()
-	runtimeMetrics.MemStats.HeapObjects = NewGauge()
-	runtimeMetrics.MemStats.HeapReleased = NewGauge()
-	runtimeMetrics.MemStats.HeapSys = NewGauge()
-	runtimeMetrics.MemStats.LastGC = NewGauge()
-	runtimeMetrics.MemStats.Lookups = NewGauge()
-	runtimeMetrics.MemStats.Mallocs = NewGauge()
-	runtimeMetrics.MemStats.MCacheInuse = NewGauge()
-	runtimeMetrics.MemStats.MCacheSys = NewGauge()
-	runtimeMetrics.MemStats.MSpanInuse = NewGauge()
-	runtimeMetrics.MemStats.MSpanSys = NewGauge()
-	runtimeMetrics.MemStats.NextGC = NewGauge()
-	runtimeMetrics.MemStats.NumGC = NewGauge()
-	runtimeMetrics.MemStats.GCCPUFraction = NewGaugeFloat64()
-	runtimeMetrics.MemStats.PauseNs = NewHistogram(NewExpDecaySample(1028, 0.015))
-	runtimeMetrics.MemStats.PauseTotalNs = NewGauge()
-	runtimeMetrics.MemStats.StackInuse = NewGauge()
-	runtimeMetrics.MemStats.StackSys = NewGauge()
-	runtimeMetrics.MemStats.Sys = NewGauge()
-	runtimeMetrics.MemStats.TotalAlloc = NewGauge()
-	runtimeMetrics.NumCgoCall = NewGauge()
-	runtimeMetrics.NumGoroutine = NewGauge()
-	runtimeMetrics.NumThread = NewGauge()
-	runtimeMetrics.ReadMemStats = NewTimer()
-
-	r.Register("runtime.MemStats.Alloc", runtimeMetrics.MemStats.Alloc)
-	r.Register("runtime.MemStats.BuckHashSys", runtimeMetrics.MemStats.BuckHashSys)
-	r.Register("runtime.MemStats.DebugGC", runtimeMetrics.MemStats.DebugGC)
-	r.Register("runtime.MemStats.EnableGC", runtimeMetrics.MemStats.EnableGC)
-	r.Register("runtime.MemStats.Frees", runtimeMetrics.MemStats.Frees)
-	r.Register("runtime.MemStats.HeapAlloc", runtimeMetrics.MemStats.HeapAlloc)
-	r.Register("runtime.MemStats.HeapIdle", runtimeMetrics.MemStats.HeapIdle)
-	r.Register("runtime.MemStats.HeapInuse", runtimeMetrics.MemStats.HeapInuse)
-	r.Register("runtime.MemStats.HeapObjects", runtimeMetrics.MemStats.HeapObjects)
-	r.Register("runtime.MemStats.HeapReleased", runtimeMetrics.MemStats.HeapReleased)
-	r.Register("runtime.MemStats.HeapSys", runtimeMetrics.MemStats.HeapSys)
-	r.Register("runtime.MemStats.LastGC", runtimeMetrics.MemStats.LastGC)
-	r.Register("runtime.MemStats.Lookups", runtimeMetrics.MemStats.Lookups)
-	r.Register("runtime.MemStats.Mallocs", runtimeMetrics.MemStats.Mallocs)
-	r.Register("runtime.MemStats.MCacheInuse", runtimeMetrics.MemStats.MCacheInuse)
-	r.Register("runtime.MemStats.MCacheSys", runtimeMetrics.MemStats.MCacheSys)
-	r.Register("runtime.MemStats.MSpanInuse", runtimeMetrics.MemStats.MSpanInuse)
-	r.Register("runtime.MemStats.MSpanSys", runtimeMetrics.MemStats.MSpanSys)
-	r.Register("runtime.MemStats.NextGC", runtimeMetrics.MemStats.NextGC)
-	r.Register("runtime.MemStats.NumGC", runtimeMetrics.MemStats.NumGC)
-	r.Register("runtime.MemStats.GCCPUFraction", runtimeMetrics.MemStats.GCCPUFraction)
-	r.Register("runtime.MemStats.PauseNs", runtimeMetrics.MemStats.PauseNs)
-	r.Register("runtime.MemStats.PauseTotalNs", runtimeMetrics.MemStats.PauseTotalNs)
-	r.Register("runtime.MemStats.StackInuse", runtimeMetrics.MemStats.StackInuse)
-	r.Register("runtime.MemStats.StackSys", runtimeMetrics.MemStats.StackSys)
-	r.Register("runtime.MemStats.Sys", runtimeMetrics.MemStats.Sys)
-	r.Register("runtime.MemStats.TotalAlloc", runtimeMetrics.MemStats.TotalAlloc)
-	r.Register("runtime.NumCgoCall", runtimeMetrics.NumCgoCall)
-	r.Register("runtime.NumGoroutine", runtimeMetrics.NumGoroutine)
-	r.Register("runtime.NumThread", runtimeMetrics.NumThread)
-	r.Register("runtime.ReadMemStats", runtimeMetrics.ReadMemStats)
-}
diff --git a/metrics/runtime_cgo.go b/metrics/runtime_cgo.go
deleted file mode 100644
index 4307ebdba6..0000000000
--- a/metrics/runtime_cgo.go
+++ /dev/null
@@ -1,10 +0,0 @@
-//go:build cgo && !appengine && !js
-// +build cgo,!appengine,!js
-
-package metrics
-
-import "runtime"
-
-func numCgoCall() int64 {
-	return runtime.NumCgoCall()
-}
diff --git a/metrics/runtime_gccpufraction.go b/metrics/runtime_gccpufraction.go
deleted file mode 100644
index 28cd44752b..0000000000
--- a/metrics/runtime_gccpufraction.go
+++ /dev/null
@@ -1,10 +0,0 @@
-//go:build go1.5
-// +build go1.5
-
-package metrics
-
-import "runtime"
-
-func gcCPUFraction(memStats *runtime.MemStats) float64 {
-	return memStats.GCCPUFraction
-}
diff --git a/metrics/runtime_no_cgo.go b/metrics/runtime_no_cgo.go
deleted file mode 100644
index 1799bef63b..0000000000
--- a/metrics/runtime_no_cgo.go
+++ /dev/null
@@ -1,8 +0,0 @@
-//go:build !cgo || appengine || js
-// +build !cgo appengine js
-
-package metrics
-
-func numCgoCall() int64 {
-	return 0
-}
diff --git a/metrics/runtime_no_gccpufraction.go b/metrics/runtime_no_gccpufraction.go
deleted file mode 100644
index af1a4b63c8..0000000000
--- a/metrics/runtime_no_gccpufraction.go
+++ /dev/null
@@ -1,10 +0,0 @@
-//go:build !go1.5
-// +build !go1.5
-
-package metrics
-
-import "runtime"
-
-func gcCPUFraction(memStats *runtime.MemStats) float64 {
-	return 0
-}
diff --git a/metrics/runtime_test.go b/metrics/runtime_test.go
deleted file mode 100644
index e011bf5946..0000000000
--- a/metrics/runtime_test.go
+++ /dev/null
@@ -1,98 +0,0 @@
-package metrics
-
-import (
-	"os"
-	"runtime"
-	"testing"
-	"time"
-)
-
-func BenchmarkRuntimeMemStats(b *testing.B) {
-	r := NewRegistry()
-	RegisterRuntimeMemStats(r)
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		CaptureRuntimeMemStatsOnce(r)
-	}
-}
-
-func TestRuntimeMemStats(t *testing.T) {
-	if os.Getenv("RUN_FLAKY_TESTS") != "true" {
-		t.Skip("FLAKY")
-	}
-	r := NewRegistry()
-	RegisterRuntimeMemStats(r)
-	CaptureRuntimeMemStatsOnce(r)
-	zero := runtimeMetrics.MemStats.PauseNs.Count() // Get a "zero" since GC may have run before these tests.
-	runtime.GC()
-	CaptureRuntimeMemStatsOnce(r)
-	if count := runtimeMetrics.MemStats.PauseNs.Count(); count-zero != 1 {
-		t.Fatal(count - zero)
-	}
-	runtime.GC()
-	runtime.GC()
-	CaptureRuntimeMemStatsOnce(r)
-	if count := runtimeMetrics.MemStats.PauseNs.Count(); count-zero != 3 {
-		t.Fatal(count - zero)
-	}
-	for i := 0; i < 256; i++ {
-		runtime.GC()
-	}
-	CaptureRuntimeMemStatsOnce(r)
-	if count := runtimeMetrics.MemStats.PauseNs.Count(); count-zero != 259 {
-		t.Fatal(count - zero)
-	}
-	for i := 0; i < 257; i++ {
-		runtime.GC()
-	}
-	CaptureRuntimeMemStatsOnce(r)
-	if count := runtimeMetrics.MemStats.PauseNs.Count(); count-zero != 515 { // We lost one because there were too many GCs between captures.
-		t.Fatal(count - zero)
-	}
-}
-
-func TestRuntimeMemStatsNumThread(t *testing.T) {
-	if os.Getenv("RUN_FLAKY_TESTS") != "true" {
-		t.Skip("FLAKY")
-	}
-	r := NewRegistry()
-	RegisterRuntimeMemStats(r)
-	CaptureRuntimeMemStatsOnce(r)
-
-	if value := runtimeMetrics.NumThread.Value(); value < 1 {
-		t.Fatalf("got NumThread: %d, wanted at least 1", value)
-	}
-}
-
-func TestRuntimeMemStatsBlocking(t *testing.T) {
-	if os.Getenv("RUN_FLAKY_TESTS") != "true" {
-		t.Skip("FLAKY")
-	}
-	if g := runtime.GOMAXPROCS(0); g < 2 {
-		t.Skipf("skipping TestRuntimeMemStatsBlocking with GOMAXPROCS=%d\n", g)
-	}
-	ch := make(chan int)
-	go testRuntimeMemStatsBlocking(ch)
-	var memStats runtime.MemStats
-	t0 := time.Now()
-	runtime.ReadMemStats(&memStats)
-	t1 := time.Now()
-	t.Log("i++ during runtime.ReadMemStats:", <-ch)
-	go testRuntimeMemStatsBlocking(ch)
-	d := t1.Sub(t0)
-	t.Log(d)
-	time.Sleep(d)
-	t.Log("i++ during time.Sleep:", <-ch)
-}
-
-func testRuntimeMemStatsBlocking(ch chan int) {
-	i := 0
-	for {
-		select {
-		case ch <- i:
-			return
-		default:
-			i++
-		}
-	}
-}
diff --git a/metrics/sample.go b/metrics/sample.go
index fa2bfb274e..afcaa21184 100644
--- a/metrics/sample.go
+++ b/metrics/sample.go
@@ -41,6 +41,7 @@ type ExpDecaySample struct {
 	reservoirSize int
 	t0, t1        time.Time
 	values        *expDecaySampleHeap
+	rand          *rand.Rand
 }
 
 // NewExpDecaySample constructs a new exponentially-decaying sample with the
@@ -59,6 +60,12 @@ func NewExpDecaySample(reservoirSize int, alpha float64) Sample {
 	return s
 }
 
+// SetRand sets the random source (useful in tests)
+func (s *ExpDecaySample) SetRand(prng *rand.Rand) Sample {
+	s.rand = prng
+	return s
+}
+
 // Clear clears all samples.
 func (s *ExpDecaySample) Clear() {
 	s.mutex.Lock()
@@ -168,8 +175,14 @@ func (s *ExpDecaySample) update(t time.Time, v int64) {
 	if s.values.Size() == s.reservoirSize {
 		s.values.Pop()
 	}
+	var f64 float64
+	if s.rand != nil {
+		f64 = s.rand.Float64()
+	} else {
+		f64 = rand.Float64()
+	}
 	s.values.Push(expDecaySample{
-		k: math.Exp(t.Sub(s.t0).Seconds()*s.alpha) / rand.Float64(),
+		k: math.Exp(t.Sub(s.t0).Seconds()*s.alpha) / f64,
 		v: v,
 	})
 	if t.After(s.t1) {
@@ -402,6 +415,7 @@ type UniformSample struct {
 	mutex         sync.Mutex
 	reservoirSize int
 	values        []int64
+	rand          *rand.Rand
 }
 
 // NewUniformSample constructs a new uniform sample with the given reservoir
@@ -416,6 +430,12 @@ func NewUniformSample(reservoirSize int) Sample {
 	}
 }
 
+// SetRand sets the random source (useful in tests)
+func (s *UniformSample) SetRand(prng *rand.Rand) Sample {
+	s.rand = prng
+	return s
+}
+
 // Clear clears all samples.
 func (s *UniformSample) Clear() {
 	s.mutex.Lock()
@@ -511,7 +531,12 @@ func (s *UniformSample) Update(v int64) {
 	if len(s.values) < s.reservoirSize {
 		s.values = append(s.values, v)
 	} else {
-		r := rand.Int63n(s.count)
+		var r int64
+		if s.rand != nil {
+			r = s.rand.Int63n(s.count)
+		} else {
+			r = rand.Int63n(s.count)
+		}
 		if r < int64(len(s.values)) {
 			s.values[int(r)] = v
 		}
diff --git a/metrics/sample_test.go b/metrics/sample_test.go
index c9168d3e82..3ae128d56f 100644
--- a/metrics/sample_test.go
+++ b/metrics/sample_test.go
@@ -80,7 +80,6 @@ func BenchmarkUniformSample1028(b *testing.B) {
 }
 
 func TestExpDecaySample10(t *testing.T) {
-	rand.Seed(1)
 	s := NewExpDecaySample(100, 0.99)
 	for i := 0; i < 10; i++ {
 		s.Update(int64(i))
@@ -102,7 +101,6 @@ func TestExpDecaySample10(t *testing.T) {
 }
 
 func TestExpDecaySample100(t *testing.T) {
-	rand.Seed(1)
 	s := NewExpDecaySample(1000, 0.01)
 	for i := 0; i < 100; i++ {
 		s.Update(int64(i))
@@ -124,7 +122,6 @@ func TestExpDecaySample100(t *testing.T) {
 }
 
 func TestExpDecaySample1000(t *testing.T) {
-	rand.Seed(1)
 	s := NewExpDecaySample(100, 0.99)
 	for i := 0; i < 1000; i++ {
 		s.Update(int64(i))
@@ -150,7 +147,6 @@ func TestExpDecaySample1000(t *testing.T) {
 // The priority becomes +Inf quickly after starting if this is done,
 // effectively freezing the set of samples until a rescale step happens.
 func TestExpDecaySampleNanosecondRegression(t *testing.T) {
-	rand.Seed(1)
 	s := NewExpDecaySample(100, 0.99)
 	for i := 0; i < 100; i++ {
 		s.Update(10)
@@ -183,8 +179,7 @@ func TestExpDecaySampleRescale(t *testing.T) {
 
 func TestExpDecaySampleSnapshot(t *testing.T) {
 	now := time.Now()
-	rand.Seed(1)
-	s := NewExpDecaySample(100, 0.99)
+	s := NewExpDecaySample(100, 0.99).(*ExpDecaySample).SetRand(rand.New(rand.NewSource(1)))
 	for i := 1; i <= 10000; i++ {
 		s.(*ExpDecaySample).update(now.Add(time.Duration(i)), int64(i))
 	}
@@ -195,8 +190,7 @@ func TestExpDecaySampleSnapshot(t *testing.T) {
 
 func TestExpDecaySampleStatistics(t *testing.T) {
 	now := time.Now()
-	rand.Seed(1)
-	s := NewExpDecaySample(100, 0.99)
+	s := NewExpDecaySample(100, 0.99).(*ExpDecaySample).SetRand(rand.New(rand.NewSource(1)))
 	for i := 1; i <= 10000; i++ {
 		s.(*ExpDecaySample).update(now.Add(time.Duration(i)), int64(i))
 	}
@@ -204,7 +198,6 @@ func TestExpDecaySampleStatistics(t *testing.T) {
 }
 
 func TestUniformSample(t *testing.T) {
-	rand.Seed(1)
 	s := NewUniformSample(100)
 	for i := 0; i < 1000; i++ {
 		s.Update(int64(i))
@@ -226,7 +219,6 @@ func TestUniformSample(t *testing.T) {
 }
 
 func TestUniformSampleIncludesTail(t *testing.T) {
-	rand.Seed(1)
 	s := NewUniformSample(100)
 	max := 100
 	for i := 0; i < max; i++ {
@@ -244,7 +236,7 @@ func TestUniformSampleIncludesTail(t *testing.T) {
 }
 
 func TestUniformSampleSnapshot(t *testing.T) {
-	s := NewUniformSample(100)
+	s := NewUniformSample(100).(*UniformSample).SetRand(rand.New(rand.NewSource(1)))
 	for i := 1; i <= 10000; i++ {
 		s.Update(int64(i))
 	}
@@ -254,8 +246,7 @@ func TestUniformSampleSnapshot(t *testing.T) {
 }
 
 func TestUniformSampleStatistics(t *testing.T) {
-	rand.Seed(1)
-	s := NewUniformSample(100)
+	s := NewUniformSample(100).(*UniformSample).SetRand(rand.New(rand.NewSource(1)))
 	for i := 1; i <= 10000; i++ {
 		s.Update(int64(i))
 	}
diff --git a/miner/miner.go b/miner/miner.go
index cb14ac1a87..8135b9e127 100644
--- a/miner/miner.go
+++ b/miner/miner.go
@@ -31,6 +31,7 @@ import (
 	"github.com/ava-labs/avalanchego/utils/timer/mockable"
 	"github.com/ava-labs/subnet-evm/consensus"
 	"github.com/ava-labs/subnet-evm/core"
+	"github.com/ava-labs/subnet-evm/core/txpool"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
@@ -41,12 +42,12 @@ import (
 // Backend wraps all methods required for mining.
 type Backend interface {
 	BlockChain() *core.BlockChain
-	TxPool() *core.TxPool
+	TxPool() *txpool.TxPool
 }
 
 // Config is the configuration parameters of mining.
 type Config struct {
-	Etherbase common.Address `toml:",omitempty"` // Public address for block mining rewards (default = first account)
+	Etherbase common.Address `toml:",omitempty"` // Public address for block mining rewards
 }
 
 type Miner struct {
@@ -67,11 +68,6 @@ func (miner *Miner) GenerateBlock(predicateContext *precompileconfig.ProposerPre
 	return miner.worker.commitNewWork(predicateContext)
 }
 
-func (miner *Miner) GetLastBlockTime() uint64 {
-	// the timestamp for the new block will be >= this value
-	return miner.worker.chain.CurrentBlock().Time()
-}
-
 // SubscribePendingLogs starts delivering logs from pending transactions
 // to the given channel.
 func (miner *Miner) SubscribePendingLogs(ch chan<- []*types.Log) event.Subscription {
diff --git a/miner/worker.go b/miner/worker.go
index 17da92a7db..b1122f0e41 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -66,7 +66,10 @@ type environment struct {
 	header   *types.Header
 	txs      []*types.Transaction
 	receipts []*types.Receipt
-	size     common.StorageSize
+	size     uint64
+
+	rules            params.Rules
+	predicateContext *precompileconfig.ProposerPredicateContext
 
 	start time.Time // Time that block building began
 }
@@ -97,8 +100,9 @@ func newWorker(config *Config, chainConfig *params.ChainConfig, engine consensus
 		chainConfig: chainConfig,
 		engine:      engine,
 		eth:         eth,
-		mux:         mux,
 		chain:       eth.BlockChain(),
+		mux:         mux,
+		coinbase:    config.Etherbase,
 		clock:       clock,
 	}
 
@@ -123,38 +127,36 @@ func (w *worker) commitNewWork(predicateContext *precompileconfig.ProposerPredic
 	// Note: in order to support asynchronous block production, blocks are allowed to have
 	// the same timestamp as their parent. This allows more than one block to be produced
 	// per second.
-	if parent.Time() >= timestamp {
-		timestamp = parent.Time()
+	if parent.Time >= timestamp {
+		timestamp = parent.Time
 	}
 
-	bigTimestamp := new(big.Int).SetUint64(timestamp)
 	var gasLimit uint64
 	// The fee manager relies on the state of the parent block to set the fee config
 	// because the fee config may be changed by the current block.
-	feeConfig, _, err := w.chain.GetFeeConfigAt(parent.Header())
+	feeConfig, _, err := w.chain.GetFeeConfigAt(parent)
 	if err != nil {
 		return nil, err
 	}
 	configuredGasLimit := feeConfig.GasLimit.Uint64()
-	if w.chainConfig.IsSubnetEVM(bigTimestamp) {
+	if w.chainConfig.IsSubnetEVM(timestamp) {
 		gasLimit = configuredGasLimit
 	} else {
 		// The gas limit is set in SubnetEVMGasLimit because the ceiling and floor were set to the same value
 		// such that the gas limit converged to it. Since this is hardbaked now, we remove the ability to configure it.
-		gasLimit = core.CalcGasLimit(parent.GasUsed(), parent.GasLimit(), configuredGasLimit, configuredGasLimit)
+		gasLimit = core.CalcGasLimit(parent.GasUsed, parent.GasLimit, configuredGasLimit, configuredGasLimit)
 	}
-	num := parent.Number()
 	header := &types.Header{
 		ParentHash: parent.Hash(),
-		Number:     num.Add(num, common.Big1),
+		Number:     new(big.Int).Add(parent.Number, common.Big1),
 		GasLimit:   gasLimit,
 		Extra:      nil,
 		Time:       timestamp,
 	}
 
-	if w.chainConfig.IsSubnetEVM(bigTimestamp) {
+	if w.chainConfig.IsSubnetEVM(timestamp) {
 		var err error
-		header.Extra, header.BaseFee, err = dummy.CalcBaseFee(w.chainConfig, feeConfig, parent.Header(), timestamp)
+		header.Extra, header.BaseFee, err = dummy.CalcBaseFee(w.chainConfig, feeConfig, parent, timestamp)
 		if err != nil {
 			return nil, fmt.Errorf("failed to calculate new base fee: %w", err)
 		}
@@ -165,7 +167,7 @@ func (w *worker) commitNewWork(predicateContext *precompileconfig.ProposerPredic
 	}
 	header.Coinbase = w.coinbase
 
-	configuredCoinbase, isAllowFeeRecipient, err := w.chain.GetCoinbaseAt(parent.Header())
+	configuredCoinbase, isAllowFeeRecipient, err := w.chain.GetCoinbaseAt(parent)
 	if err != nil {
 		return nil, fmt.Errorf("failed to get configured coinbase: %w", err)
 	}
@@ -182,12 +184,12 @@ func (w *worker) commitNewWork(predicateContext *precompileconfig.ProposerPredic
 		return nil, fmt.Errorf("failed to prepare header for mining: %w", err)
 	}
 
-	env, err := w.createCurrentEnvironment(parent, header, tstart)
+	env, err := w.createCurrentEnvironment(predicateContext, parent, header, tstart)
 	if err != nil {
 		return nil, fmt.Errorf("failed to create new current environment: %w", err)
 	}
 	// Configure any upgrades that should go into effect during this block.
-	err = core.ApplyUpgrades(w.chainConfig, new(big.Int).SetUint64(parent.Time()), types.NewBlockWithHeader(header), env.state)
+	err = core.ApplyUpgrades(w.chainConfig, &parent.Time, types.NewBlockWithHeader(header), env.state)
 	if err != nil {
 		log.Error("failed to configure precompiles mining new block", "parent", parent.Hash(), "number", header.Number, "timestamp", header.Time, "err", err)
 		return nil, err
@@ -195,9 +197,6 @@ func (w *worker) commitNewWork(predicateContext *precompileconfig.ProposerPredic
 
 	// Get the pending txs from TxPool
 	pending := w.eth.TxPool().Pending(true)
-	// Filter out transactions that don't satisfy predicateContext and remove them from TxPool
-	rules := w.chainConfig.AvalancheRules(header.Number, new(big.Int).SetUint64(header.Time))
-	pending = w.enforcePredicates(rules, predicateContext, pending)
 
 	// Split the pending transactions into locals and remotes
 	localTxs := make(map[common.Address]types.Transactions)
@@ -226,28 +225,38 @@ func (w *worker) commitNewWork(predicateContext *precompileconfig.ProposerPredic
 	return w.commit(env)
 }
 
-func (w *worker) createCurrentEnvironment(parent *types.Block, header *types.Header, tstart time.Time) (*environment, error) {
-	state, err := w.chain.StateAt(parent.Root())
+func (w *worker) createCurrentEnvironment(predicateContext *precompileconfig.ProposerPredicateContext, parent *types.Header, header *types.Header, tstart time.Time) (*environment, error) {
+	state, err := w.chain.StateAt(parent.Root)
 	if err != nil {
 		return nil, err
 	}
 	return &environment{
-		signer:  types.MakeSigner(w.chainConfig, header.Number, new(big.Int).SetUint64(header.Time)),
-		state:   state,
-		parent:  parent.Header(),
-		header:  header,
-		tcount:  0,
-		gasPool: new(core.GasPool).AddGas(header.GasLimit),
-		start:   tstart,
+		signer:           types.MakeSigner(w.chainConfig, header.Number, header.Time),
+		state:            state,
+		parent:           parent,
+		header:           header,
+		tcount:           0,
+		gasPool:          new(core.GasPool).AddGas(header.GasLimit),
+		rules:            w.chainConfig.AvalancheRules(header.Number, header.Time),
+		predicateContext: predicateContext,
+		start:            tstart,
 	}, nil
 }
 
 func (w *worker) commitTransaction(env *environment, tx *types.Transaction, coinbase common.Address) ([]*types.Log, error) {
-	snap := env.state.Snapshot()
+	var (
+		snap = env.state.Snapshot()
+		gp   = env.gasPool.Gas()
+	)
 
+	if err := core.CheckPredicates(env.rules, env.predicateContext, tx); err != nil {
+		log.Debug("Transaction predicate failed verification in miner", "tx", tx.Hash(), "err", err)
+		return nil, err
+	}
 	receipt, err := core.ApplyTransaction(w.chainConfig, w.chain, &coinbase, env.gasPool, env.state, env.header, tx, &env.header.GasUsed, *w.chain.GetVMConfig())
 	if err != nil {
 		env.state.RevertToSnapshot(snap)
+		env.gasPool.SetGas(gp)
 		return nil, err
 	}
 	env.txs = append(env.txs, tx)
@@ -259,12 +268,12 @@ func (w *worker) commitTransaction(env *environment, tx *types.Transaction, coin
 
 func (w *worker) commitTransactions(env *environment, txs *types.TransactionsByPriceAndNonce, coinbase common.Address) {
 	for {
-		// If we don't have enough gas for any further transactions then we're done
+		// If we don't have enough gas for any further transactions then we're done.
 		if env.gasPool.Gas() < params.TxGas {
 			log.Info("commitTransactions - Not enough gas for further transactions", "have", env.gasPool, "want", params.TxGas)
 			break
 		}
-		// Retrieve the next transaction and abort if all done
+		// Retrieve the next transaction and abort if all done.
 		tx := txs.Peek()
 		if tx == nil {
 			break
@@ -279,9 +288,8 @@ func (w *worker) commitTransactions(env *environment, txs *types.TransactionsByP
 		}
 		// Error may be ignored here. The error has already been checked
 		// during transaction acceptance is the transaction pool.
-		//
-		// We use the eip155 signer regardless of the current hf.
 		from, _ := types.Sender(env.signer, tx)
+
 		// Check whether the tx is replay protected. If we're not in the EIP155 hf
 		// phase, start ignoring the sender until we do.
 		if tx.Protected() && !w.chainConfig.IsEIP155(env.header.Number) {
@@ -291,7 +299,7 @@ func (w *worker) commitTransactions(env *environment, txs *types.TransactionsByP
 			continue
 		}
 		// Start executing the transaction
-		env.state.Prepare(tx.Hash(), env.tcount)
+		env.state.SetTxContext(tx.Hash(), env.tcount)
 
 		_, err := w.commitTransaction(env, tx, coinbase)
 		switch {
@@ -315,7 +323,7 @@ func (w *worker) commitTransactions(env *environment, txs *types.TransactionsByP
 			txs.Shift()
 			log.Info("Transaction committed", "hash", tx.Hash().String(), "nonce", tx.Nonce())
 
-		case errors.Is(err, core.ErrTxTypeNotSupported):
+		case errors.Is(err, types.ErrTxTypeNotSupported):
 			// Pop the unsupported transaction without shifting in the next from the account
 			log.Info("commitTransactions - Skipping unsupported transaction type", "sender", from, "type", tx.Type())
 			txs.Pop()
@@ -375,8 +383,14 @@ func (w *worker) handleResult(env *environment, block *types.Block, createdAt ti
 		logs = append(logs, receipt.Logs...)
 	}
 
-	log.Info("Commit new mining work", "number", block.Number(), "hash", hash, "timestamp", block.Time(), "uncles", 0, "txs", env.tcount,
-		"gas", block.GasUsed(), "fees", totalFees(block, receipts), "elapsed", common.PrettyDuration(time.Since(env.start)))
+	feesInEther, err := core.TotalFeesFloat(block, receipts)
+	if err != nil {
+		log.Error("TotalFeesFloat error: %s", err)
+	}
+	log.Info("Commit new mining work", "number", block.Number(), "hash", hash,
+		"uncles", 0, "txs", env.tcount,
+		"gas", block.GasUsed(), "fees", feesInEther,
+		"elapsed", common.PrettyDuration(time.Since(env.start)))
 
 	// Note: the miner no longer emits a NewMinedBlock event. Instead the caller
 	// is responsible for running any additional verification and then inserting
@@ -393,48 +407,3 @@ func copyReceipts(receipts []*types.Receipt) []*types.Receipt {
 	}
 	return result
 }
-
-// totalFees computes total consumed fees in ETH. Block transactions and receipts have to have the same order.
-func totalFees(block *types.Block, receipts []*types.Receipt) *big.Float {
-	feesWei := new(big.Int)
-	for i, tx := range block.Transactions() {
-		feesWei.Add(feesWei, new(big.Int).Mul(new(big.Int).SetUint64(receipts[i].GasUsed), tx.GasPrice()))
-	}
-	return new(big.Float).Quo(new(big.Float).SetInt(feesWei), new(big.Float).SetInt(big.NewInt(params.Ether)))
-}
-
-// enforcePredicates takes a set of pending transactions (grouped by sender, and ordered by nonce)
-// and returns the subset of those transactions (following the same grouping) that satisfy predicateContext.
-// Any transaction that fails predicate verification will be removed from the tx pool and excluded
-// from the return value.
-// Transactions with a nonce that follows a removed transaction will be added back to the future
-// queue of the tx pool.
-func (w *worker) enforcePredicates(
-	rules params.Rules,
-	predicateContext *precompileconfig.ProposerPredicateContext,
-	pending map[common.Address]types.Transactions,
-) map[common.Address]types.Transactions {
-	// Short circuit early if there are no precompile predicates to verify and return the
-	// unmodified pending transactions.
-	if !rules.PredicatesExist() {
-		return pending
-	}
-	result := make(map[common.Address]types.Transactions, len(pending))
-	for addr, txs := range pending {
-		for i, tx := range txs {
-			if err := core.CheckPredicates(rules, predicateContext, tx); err != nil {
-				log.Debug("Transaction predicate failed verification in miner", "sender", addr, "err", err)
-				// If the transaction fails the predicate check, we remove the transaction from the mempool
-				// and move all transactions from the same address with a subsequent nonce back to the
-				// future queue of the transaction pool.
-				w.eth.TxPool().RemoveTx(tx.Hash())
-				txs = txs[:i] // Cut off any transactions past the failed predicate in the return value
-				break
-			}
-		}
-		if len(txs) > 0 {
-			result[addr] = txs
-		}
-	}
-	return result
-}
diff --git a/networks/hubblenext/chain.json b/networks/hubblenext/chain.json
index 66c9e14b6c..a80987700e 100644
--- a/networks/hubblenext/chain.json
+++ b/networks/hubblenext/chain.json
@@ -1,5 +1,4 @@
 {
-  "state-sync-enabled": true,
   "snowman-api-enabled": true,
   "local-txs-enabled": true,
   "priority-regossip-frequency": "1s",
diff --git a/networks/hubblenext/chain_api_node.json b/networks/hubblenext/chain_api_node.json
index cae0f17940..da3a06672b 100644
--- a/networks/hubblenext/chain_api_node.json
+++ b/networks/hubblenext/chain_api_node.json
@@ -1,5 +1,4 @@
 {
-    "state-sync-enabled": false,
     "snowman-api-enabled": true,
     "local-txs-enabled": true,
     "priority-regossip-frequency": "1s",
diff --git a/params/avalanche_params.go b/params/avalanche_params.go
new file mode 100644
index 0000000000..fbda5b01c0
--- /dev/null
+++ b/params/avalanche_params.go
@@ -0,0 +1,10 @@
+// (c) 2019-2020, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package params
+
+const (
+	WarpDefaultQuorumNumerator uint64 = 67
+	WarpQuorumNumeratorMinimum uint64 = 33
+	WarpQuorumDenominator      uint64 = 100
+)
diff --git a/params/config.go b/params/config.go
index 0dc08c4e25..3c31a8b190 100644
--- a/params/config.go
+++ b/params/config.go
@@ -50,7 +50,7 @@ var (
 	// For legacy tests
 	MinGasPrice        int64 = 225_000_000_000
 	TestInitialBaseFee int64 = 225_000_000_000
-	TestMaxBaseFee           = big.NewInt(225_000_000_000)
+	TestMaxBaseFee     int64 = 225_000_000_000
 
 	ExtraDataSize        = 80
 	RollupWindow  uint64 = 10
@@ -70,26 +70,25 @@ var (
 )
 
 var (
-	// SubnetEVMDefaultChainConfig is the default configuration
+	// SubnetEVMDefaultConfig is the default configuration
+	// without any network upgrades.
 	SubnetEVMDefaultChainConfig = &ChainConfig{
 		ChainID:            SubnetEVMChainID,
 		FeeConfig:          DefaultFeeConfig,
 		AllowFeeRecipients: false,
 
-		HomesteadBlock:      big.NewInt(0),
-		EIP150Block:         big.NewInt(0),
-		EIP150Hash:          common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"),
-		EIP155Block:         big.NewInt(0),
-		EIP158Block:         big.NewInt(0),
-		ByzantiumBlock:      big.NewInt(0),
-		ConstantinopleBlock: big.NewInt(0),
-		PetersburgBlock:     big.NewInt(0),
-		IstanbulBlock:       big.NewInt(0),
-		MuirGlacierBlock:    big.NewInt(0),
-		GenesisPrecompiles:  Precompiles{},
-		NetworkUpgrades: NetworkUpgrades{
-			SubnetEVMTimestamp: big.NewInt(0),
-		},
+		HomesteadBlock:           big.NewInt(0),
+		EIP150Block:              big.NewInt(0),
+		EIP150Hash:               common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"),
+		EIP155Block:              big.NewInt(0),
+		EIP158Block:              big.NewInt(0),
+		ByzantiumBlock:           big.NewInt(0),
+		ConstantinopleBlock:      big.NewInt(0),
+		PetersburgBlock:          big.NewInt(0),
+		IstanbulBlock:            big.NewInt(0),
+		MuirGlacierBlock:         big.NewInt(0),
+		MandatoryNetworkUpgrades: MainnetNetworkUpgrades, // This can be changed to correct network (local, test) via VM.
+		GenesisPrecompiles:       Precompiles{},
 	}
 
 	TestChainConfig = &ChainConfig{
@@ -107,12 +106,15 @@ var (
 		PetersburgBlock:     big.NewInt(0),
 		IstanbulBlock:       big.NewInt(0),
 		MuirGlacierBlock:    big.NewInt(0),
-		NetworkUpgrades:     NetworkUpgrades{big.NewInt(0)},
-		GenesisPrecompiles:  Precompiles{},
-		UpgradeConfig:       UpgradeConfig{},
+		MandatoryNetworkUpgrades: MandatoryNetworkUpgrades{
+			SubnetEVMTimestamp: utils.NewUint64(0),
+			DUpgradeTimestamp:  utils.NewUint64(0),
+		},
+		GenesisPrecompiles: Precompiles{},
+		UpgradeConfig:      UpgradeConfig{},
 	}
 
-	TestPreSubnetEVMConfig = &ChainConfig{
+	TestSubnetEVMConfig = &ChainConfig{
 		AvalancheContext:    AvalancheContext{snow.DefaultContextTest()},
 		ChainID:             big.NewInt(1),
 		FeeConfig:           DefaultFeeConfig,
@@ -127,20 +129,44 @@ var (
 		PetersburgBlock:     big.NewInt(0),
 		IstanbulBlock:       big.NewInt(0),
 		MuirGlacierBlock:    big.NewInt(0),
-		NetworkUpgrades:     NetworkUpgrades{},
-		GenesisPrecompiles:  Precompiles{},
-		UpgradeConfig:       UpgradeConfig{},
+		MandatoryNetworkUpgrades: MandatoryNetworkUpgrades{
+			SubnetEVMTimestamp: utils.NewUint64(0),
+		},
+		GenesisPrecompiles: Precompiles{},
+		UpgradeConfig:      UpgradeConfig{},
 	}
+
+	TestPreSubnetEVMConfig = &ChainConfig{
+		AvalancheContext:         AvalancheContext{snow.DefaultContextTest()},
+		ChainID:                  big.NewInt(1),
+		FeeConfig:                DefaultFeeConfig,
+		AllowFeeRecipients:       false,
+		HomesteadBlock:           big.NewInt(0),
+		EIP150Block:              big.NewInt(0),
+		EIP150Hash:               common.Hash{},
+		EIP155Block:              big.NewInt(0),
+		EIP158Block:              big.NewInt(0),
+		ByzantiumBlock:           big.NewInt(0),
+		ConstantinopleBlock:      big.NewInt(0),
+		PetersburgBlock:          big.NewInt(0),
+		IstanbulBlock:            big.NewInt(0),
+		MuirGlacierBlock:         big.NewInt(0),
+		MandatoryNetworkUpgrades: MandatoryNetworkUpgrades{},
+		GenesisPrecompiles:       Precompiles{},
+		UpgradeConfig:            UpgradeConfig{},
+	}
+
+	TestRules = TestChainConfig.AvalancheRules(new(big.Int), 0)
 )
 
 // UpgradeConfig includes the following configs that may be specified in upgradeBytes:
 // - Timestamps that enable avalanche network upgrades,
 // - Enabling or disabling precompiles as network upgrades.
 type UpgradeConfig struct {
-	// Config for blocks/timestamps that enable network upgrades.
-	// Note: if NetworkUpgrades is specified in the JSON all previously activated
+	// Config for optional timestamps that enable network upgrades.
+	// Note: if OptionalUpgrades is specified in the JSON all previously activated
 	// forks must be present or upgradeBytes will be rejected.
-	NetworkUpgrades *NetworkUpgrades `json:"networkUpgrades,omitempty"`
+	OptionalNetworkUpgrades *OptionalNetworkUpgrades `json:"networkUpgrades,omitempty"`
 
 	// Config for modifying state as a network upgrade.
 	StateUpgrades []StateUpgrade `json:"stateUpgrades,omitempty"`
@@ -181,9 +207,10 @@ type ChainConfig struct {
 	IstanbulBlock       *big.Int `json:"istanbulBlock,omitempty"`       // Istanbul switch block (nil = no fork, 0 = already on istanbul)
 	MuirGlacierBlock    *big.Int `json:"muirGlacierBlock,omitempty"`    // Eip-2384 (bomb delay) switch block (nil = no fork, 0 = already activated)
 
-	NetworkUpgrades                // Config for timestamps that enable avalanche network upgrades
-	GenesisPrecompiles Precompiles `json:"-"` // Config for enabling precompiles from genesis. JSON encode/decode will be handled by the custom marshaler/unmarshaler.
-	UpgradeConfig      `json:"-"`  // Config specified in upgradeBytes (avalanche network upgrades or enable/disabling precompiles). Skip encoding/decoding directly into ChainConfig.
+	MandatoryNetworkUpgrades             // Config for timestamps that enable mandatory network upgrades. Skip encoding/decoding directly into ChainConfig.
+	OptionalNetworkUpgrades              // Config for optional timestamps that enable network upgrades
+	GenesisPrecompiles       Precompiles `json:"-"` // Config for enabling precompiles from genesis. JSON encode/decode will be handled by the custom marshaler/unmarshaler.
+	UpgradeConfig            `json:"-"`  // Config specified in upgradeBytes (avalanche network upgrades or enable/disabling precompiles). Skip encoding/decoding directly into ChainConfig.
 }
 
 // UnmarshalJSON parses the JSON-encoded data and stores the result in the
@@ -234,96 +261,128 @@ func (c ChainConfig) MarshalJSON() ([]byte, error) {
 	return json.Marshal(raw)
 }
 
-// String implements the fmt.Stringer interface.
-func (c *ChainConfig) String() string {
-	// convert nested data structures to json
-	feeBytes, err := json.Marshal(c.FeeConfig)
-	if err != nil {
-		feeBytes = []byte("cannot marshal FeeConfig")
+// Description returns a human-readable description of ChainConfig.
+func (c *ChainConfig) Description() string {
+	var banner string
+
+	banner += fmt.Sprintf("Chain ID:  %v\n", c.ChainID)
+	banner += "Consensus: Dummy Consensus Engine\n\n"
+
+	// Create a list of forks with a short description of them. Forks that only
+	// makes sense for mainnet should be optional at printing to avoid bloating
+	// the output for testnets and private networks.
+	banner += "Hard Forks:\n"
+	banner += fmt.Sprintf(" - Homestead:                   #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/homestead.md)\n", c.HomesteadBlock)
+	banner += fmt.Sprintf(" - Tangerine Whistle (EIP 150): #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/tangerine-whistle.md)\n", c.EIP150Block)
+	banner += fmt.Sprintf(" - Spurious Dragon/1 (EIP 155): #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/spurious-dragon.md)\n", c.EIP155Block)
+	banner += fmt.Sprintf(" - Spurious Dragon/2 (EIP 158): #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/spurious-dragon.md)\n", c.EIP155Block)
+	banner += fmt.Sprintf(" - Byzantium:                   #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/byzantium.md)\n", c.ByzantiumBlock)
+	banner += fmt.Sprintf(" - Constantinople:              #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/constantinople.md)\n", c.ConstantinopleBlock)
+	banner += fmt.Sprintf(" - Petersburg:                  #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/petersburg.md)\n", c.PetersburgBlock)
+	banner += fmt.Sprintf(" - Istanbul:                    #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/istanbul.md)\n", c.IstanbulBlock)
+	if c.MuirGlacierBlock != nil {
+		banner += fmt.Sprintf(" - Muir Glacier:                #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/muir-glacier.md)\n", c.MuirGlacierBlock)
+	}
+	banner += "Mandatory Upgrades:\n"
+	if c.SubnetEVMTimestamp != nil {
+		banner += fmt.Sprintf(" - SubnetEVM Timestamp:             @%-10v (https://github.com/ava-labs/avalanchego/releases/tag/v1.10.0)\n", *c.SubnetEVMTimestamp)
 	}
-	networkUpgradesBytes, err := json.Marshal(c.NetworkUpgrades)
+	if c.DUpgradeTimestamp != nil {
+		banner += fmt.Sprintf(" - DUpgrade Timestamp:              @%-10v (https://github.com/ava-labs/avalanchego/releases/tag/v1.11.0)\n", *c.DUpgradeTimestamp)
+	}
+	banner += "\n"
+
+	// Add Subnet-EVM custom fields
+	optionalNetworkUpgradeBytes, err := json.Marshal(c.OptionalNetworkUpgrades)
 	if err != nil {
-		networkUpgradesBytes = []byte("cannot marshal NetworkUpgrades")
+		optionalNetworkUpgradeBytes = []byte("cannot marshal OptionalNetworkUpgrades")
 	}
+	banner += fmt.Sprintf("Optional Network Upgrades: %s", string(optionalNetworkUpgradeBytes))
+	banner += "\n"
+
 	precompileUpgradeBytes, err := json.Marshal(c.GenesisPrecompiles)
 	if err != nil {
 		precompileUpgradeBytes = []byte("cannot marshal PrecompileUpgrade")
 	}
+	banner += fmt.Sprintf("Precompile Upgrades: %s", string(precompileUpgradeBytes))
+	banner += "\n"
+
 	upgradeConfigBytes, err := json.Marshal(c.UpgradeConfig)
 	if err != nil {
 		upgradeConfigBytes = []byte("cannot marshal UpgradeConfig")
 	}
+	banner += fmt.Sprintf("Upgrade Config: %s", string(upgradeConfigBytes))
+	banner += "\n"
 
-	return fmt.Sprintf("{ChainID: %v Homestead: %v EIP150: %v EIP155: %v EIP158: %v Byzantium: %v Constantinople: %v Petersburg: %v Istanbul: %v, Muir Glacier: %v, Subnet EVM: %v, FeeConfig: %v, AllowFeeRecipients: %v, NetworkUpgrades: %v, PrecompileUpgrade: %v, UpgradeConfig: %v, Engine: Dummy Consensus Engine}",
-		c.ChainID,
-		c.HomesteadBlock,
-		c.EIP150Block,
-		c.EIP155Block,
-		c.EIP158Block,
-		c.ByzantiumBlock,
-		c.ConstantinopleBlock,
-		c.PetersburgBlock,
-		c.IstanbulBlock,
-		c.MuirGlacierBlock,
-		c.SubnetEVMTimestamp,
-		string(feeBytes),
-		c.AllowFeeRecipients,
-		string(networkUpgradesBytes),
-		string(precompileUpgradeBytes),
-		string(upgradeConfigBytes),
-	)
+	feeBytes, err := json.Marshal(c.FeeConfig)
+	if err != nil {
+		feeBytes = []byte("cannot marshal FeeConfig")
+	}
+	banner += fmt.Sprintf("Fee Config: %s", string(feeBytes))
+	banner += "\n"
+
+	banner += fmt.Sprintf("Allow Fee Recipients: %v", c.AllowFeeRecipients)
+	banner += "\n"
+	return banner
 }
 
 // IsHomestead returns whether num is either equal to the homestead block or greater.
 func (c *ChainConfig) IsHomestead(num *big.Int) bool {
-	return utils.IsForked(c.HomesteadBlock, num)
+	return utils.IsBlockForked(c.HomesteadBlock, num)
 }
 
 // IsEIP150 returns whether num is either equal to the EIP150 fork block or greater.
 func (c *ChainConfig) IsEIP150(num *big.Int) bool {
-	return utils.IsForked(c.EIP150Block, num)
+	return utils.IsBlockForked(c.EIP150Block, num)
 }
 
 // IsEIP155 returns whether num is either equal to the EIP155 fork block or greater.
 func (c *ChainConfig) IsEIP155(num *big.Int) bool {
-	return utils.IsForked(c.EIP155Block, num)
+	return utils.IsBlockForked(c.EIP155Block, num)
 }
 
 // IsEIP158 returns whether num is either equal to the EIP158 fork block or greater.
 func (c *ChainConfig) IsEIP158(num *big.Int) bool {
-	return utils.IsForked(c.EIP158Block, num)
+	return utils.IsBlockForked(c.EIP158Block, num)
 }
 
 // IsByzantium returns whether num is either equal to the Byzantium fork block or greater.
 func (c *ChainConfig) IsByzantium(num *big.Int) bool {
-	return utils.IsForked(c.ByzantiumBlock, num)
+	return utils.IsBlockForked(c.ByzantiumBlock, num)
 }
 
 // IsConstantinople returns whether num is either equal to the Constantinople fork block or greater.
 func (c *ChainConfig) IsConstantinople(num *big.Int) bool {
-	return utils.IsForked(c.ConstantinopleBlock, num)
+	return utils.IsBlockForked(c.ConstantinopleBlock, num)
 }
 
 // IsMuirGlacier returns whether num is either equal to the Muir Glacier (EIP-2384) fork block or greater.
 func (c *ChainConfig) IsMuirGlacier(num *big.Int) bool {
-	return utils.IsForked(c.MuirGlacierBlock, num)
+	return utils.IsBlockForked(c.MuirGlacierBlock, num)
 }
 
 // IsPetersburg returns whether num is either
 // - equal to or greater than the PetersburgBlock fork block,
 // - OR is nil, and Constantinople is active
 func (c *ChainConfig) IsPetersburg(num *big.Int) bool {
-	return utils.IsForked(c.PetersburgBlock, num) || c.PetersburgBlock == nil && utils.IsForked(c.ConstantinopleBlock, num)
+	return utils.IsBlockForked(c.PetersburgBlock, num) || c.PetersburgBlock == nil && utils.IsBlockForked(c.ConstantinopleBlock, num)
 }
 
 // IsIstanbul returns whether num is either equal to the Istanbul fork block or greater.
 func (c *ChainConfig) IsIstanbul(num *big.Int) bool {
-	return utils.IsForked(c.IstanbulBlock, num)
+	return utils.IsBlockForked(c.IstanbulBlock, num)
+}
+
+// IsSubnetEVM returns whether [time] represents a block
+// with a timestamp after the SubnetEVM upgrade time.
+func (c *ChainConfig) IsSubnetEVM(time uint64) bool {
+	return utils.IsTimestampForked(c.SubnetEVMTimestamp, time)
 }
 
-// IsSubnetEVM returns whether [blockTimestamp] is either equal to the SubnetEVM fork block timestamp or greater.
-func (c *ChainConfig) IsSubnetEVM(blockTimestamp *big.Int) bool {
-	return utils.IsForked(c.getNetworkUpgrades().SubnetEVMTimestamp, blockTimestamp)
+// IsDUpgrade returns whether [time] represents a block
+// with a timestamp after the DUpgrade upgrade time.
+func (c *ChainConfig) IsDUpgrade(time uint64) bool {
+	return utils.IsTimestampForked(c.DUpgradeTimestamp, time)
 }
 
 func (r *Rules) PredicatesExist() bool {
@@ -339,27 +398,33 @@ func (r *Rules) PredicateExists(addr common.Address) bool {
 	return proposerPredicateExists
 }
 
-// IsPrecompileEnabled returns whether precompile with [address] is enabled at [blockTimestamp].
-func (c *ChainConfig) IsPrecompileEnabled(address common.Address, blockTimestamp *big.Int) bool {
-	config := c.getActivePrecompileConfig(address, blockTimestamp)
+// IsPrecompileEnabled returns whether precompile with [address] is enabled at [timestamp].
+func (c *ChainConfig) IsPrecompileEnabled(address common.Address, timestamp uint64) bool {
+	config := c.getActivePrecompileConfig(address, timestamp)
 	return config != nil && !config.IsDisabled()
 }
 
 // CheckCompatible checks whether scheduled fork transitions have been imported
 // with a mismatching chain configuration.
-func (c *ChainConfig) CheckCompatible(newcfg *ChainConfig, height uint64, timestamp uint64) *ConfigCompatError {
-	bNumber := new(big.Int).SetUint64(height)
-	bTimestamp := new(big.Int).SetUint64(timestamp)
-
+func (c *ChainConfig) CheckCompatible(newcfg *ChainConfig, height uint64, time uint64) *ConfigCompatError {
+	var (
+		bhead = new(big.Int).SetUint64(height)
+		btime = time
+	)
 	// Iterate checkCompatible to find the lowest conflict.
 	var lasterr *ConfigCompatError
 	for {
-		err := c.checkCompatible(newcfg, bNumber, bTimestamp)
-		if err == nil || (lasterr != nil && err.RewindTo == lasterr.RewindTo) {
+		err := c.checkCompatible(newcfg, bhead, btime)
+		if err == nil || (lasterr != nil && err.RewindToBlock == lasterr.RewindToBlock && err.RewindToTime == lasterr.RewindToTime) {
 			break
 		}
 		lasterr = err
-		bNumber.SetUint64(err.RewindTo)
+
+		if err.RewindToTime > 0 {
+			btime = err.RewindToTime
+		} else {
+			bhead.SetUint64(err.RewindToBlock)
+		}
 	}
 	return lasterr
 }
@@ -383,16 +448,17 @@ func (c *ChainConfig) Verify() error {
 	return nil
 }
 
+type fork struct {
+	name      string
+	block     *big.Int // some go-ethereum forks use block numbers
+	timestamp *uint64  // Avalanche forks use timestamps
+	optional  bool     // if true, the fork may be nil and next fork is still allowed
+}
+
 // CheckConfigForkOrder checks that we don't "skip" any forks, geth isn't pluggable enough
 // to guarantee that forks can be implemented in a different order than on official networks
 func (c *ChainConfig) CheckConfigForkOrder() error {
-	type fork struct {
-		name     string
-		block    *big.Int
-		optional bool // if true, the fork may be nil and next fork is still allowed
-	}
-	var lastFork fork
-	for _, cur := range []fork{
+	ethForks := []fork{
 		{name: "homesteadBlock", block: c.HomesteadBlock},
 		{name: "eip150Block", block: c.EIP150Block},
 		{name: "eip155Block", block: c.EIP155Block},
@@ -402,27 +468,11 @@ func (c *ChainConfig) CheckConfigForkOrder() error {
 		{name: "petersburgBlock", block: c.PetersburgBlock},
 		{name: "istanbulBlock", block: c.IstanbulBlock},
 		{name: "muirGlacierBlock", block: c.MuirGlacierBlock, optional: true},
-	} {
-		if cur.block != nil && common.Big0.Cmp(cur.block) != 0 {
-			return errNonGenesisForkByHeight
-		}
-		if lastFork.name != "" {
-			// Next one must be higher number
-			if lastFork.block == nil && cur.block != nil {
-				return fmt.Errorf("unsupported fork ordering: %v not enabled, but %v enabled at %v",
-					lastFork.name, cur.name, cur.block)
-			}
-			if lastFork.block != nil && cur.block != nil {
-				if lastFork.block.Cmp(cur.block) > 0 {
-					return fmt.Errorf("unsupported fork ordering: %v enabled at %v, but %v enabled at %v",
-						lastFork.name, lastFork.block, cur.name, cur.block)
-				}
-			}
-		}
-		// If it was optional and not set, then ignore it
-		if !cur.optional || cur.block != nil {
-			lastFork = cur
-		}
+	}
+
+	// Check that forks are enabled in order
+	if err := checkForks(ethForks, true); err != nil {
+		return err
 	}
 
 	// Note: In Avalanche, hard forks must take place via block timestamps instead
@@ -433,25 +483,41 @@ func (c *ChainConfig) CheckConfigForkOrder() error {
 	// Note: we do not add the optional stateful precompile configs in here because they are optional
 	// and independent, such that the ordering they are enabled does not impact the correctness of the
 	// chain config.
-	lastFork = fork{}
-	for _, cur := range []fork{
-		{name: "subnetEVMTimestamp", block: c.SubnetEVMTimestamp},
-	} {
+	if err := checkForks(c.mandatoryForkOrder(), false); err != nil {
+		return err
+	}
+
+	// Check optional forks are enabled in order
+	if err := checkForks(c.optionalForkOrder(), false); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// checkForks checks that forks are enabled in order and returns an error if not
+// [blockFork] is true if the fork is a block number fork, false if it is a timestamp fork
+func checkForks(forks []fork, blockFork bool) error {
+	lastFork := fork{}
+	for _, cur := range forks {
+		if blockFork && cur.block != nil && common.Big0.Cmp(cur.block) != 0 {
+			return errNonGenesisForkByHeight
+		}
 		if lastFork.name != "" {
 			// Next one must be higher number
-			if lastFork.block == nil && cur.block != nil {
+			if lastFork.timestamp == nil && cur.timestamp != nil {
 				return fmt.Errorf("unsupported fork ordering: %v not enabled, but %v enabled at %v",
-					lastFork.name, cur.name, cur.block)
+					lastFork.name, cur.name, cur.timestamp)
 			}
-			if lastFork.block != nil && cur.block != nil {
-				if lastFork.block.Cmp(cur.block) > 0 {
+			if lastFork.timestamp != nil && cur.timestamp != nil {
+				if *lastFork.timestamp > *cur.timestamp {
 					return fmt.Errorf("unsupported fork ordering: %v enabled at %v, but %v enabled at %v",
-						lastFork.name, lastFork.block, cur.name, cur.block)
+						lastFork.name, lastFork.timestamp, cur.name, cur.timestamp)
 				}
 			}
 		}
 		// If it was optional and not set, then ignore it
-		if !cur.optional || cur.block != nil {
+		if !cur.optional || cur.timestamp != nil {
 			lastFork = cur
 		}
 	}
@@ -461,61 +527,66 @@ func (c *ChainConfig) CheckConfigForkOrder() error {
 // checkCompatible confirms that [newcfg] is backwards compatible with [c] to upgrade with the given head block height and timestamp.
 // This confirms that all Ethereum and Avalanche upgrades are backwards compatible as well as that the precompile config is backwards
 // compatible.
-func (c *ChainConfig) checkCompatible(newcfg *ChainConfig, lastHeight *big.Int, lastTimestamp *big.Int) *ConfigCompatError {
-	if isForkIncompatible(c.HomesteadBlock, newcfg.HomesteadBlock, lastHeight) {
-		return newCompatError("Homestead fork block", c.HomesteadBlock, newcfg.HomesteadBlock)
+func (c *ChainConfig) checkCompatible(newcfg *ChainConfig, height *big.Int, time uint64) *ConfigCompatError {
+	if isForkBlockIncompatible(c.HomesteadBlock, newcfg.HomesteadBlock, height) {
+		return newBlockCompatError("Homestead fork block", c.HomesteadBlock, newcfg.HomesteadBlock)
 	}
-	if isForkIncompatible(c.EIP150Block, newcfg.EIP150Block, lastHeight) {
-		return newCompatError("EIP150 fork block", c.EIP150Block, newcfg.EIP150Block)
+	if isForkBlockIncompatible(c.EIP150Block, newcfg.EIP150Block, height) {
+		return newBlockCompatError("EIP150 fork block", c.EIP150Block, newcfg.EIP150Block)
 	}
-	if isForkIncompatible(c.EIP155Block, newcfg.EIP155Block, lastHeight) {
-		return newCompatError("EIP155 fork block", c.EIP155Block, newcfg.EIP155Block)
+	if isForkBlockIncompatible(c.EIP155Block, newcfg.EIP155Block, height) {
+		return newBlockCompatError("EIP155 fork block", c.EIP155Block, newcfg.EIP155Block)
 	}
-	if isForkIncompatible(c.EIP158Block, newcfg.EIP158Block, lastHeight) {
-		return newCompatError("EIP158 fork block", c.EIP158Block, newcfg.EIP158Block)
+	if isForkBlockIncompatible(c.EIP158Block, newcfg.EIP158Block, height) {
+		return newBlockCompatError("EIP158 fork block", c.EIP158Block, newcfg.EIP158Block)
 	}
-	if c.IsEIP158(lastHeight) && !utils.BigNumEqual(c.ChainID, newcfg.ChainID) {
-		return newCompatError("EIP158 chain ID", c.EIP158Block, newcfg.EIP158Block)
+	if c.IsEIP158(height) && !utils.BigNumEqual(c.ChainID, newcfg.ChainID) {
+		return newBlockCompatError("EIP158 chain ID", c.EIP158Block, newcfg.EIP158Block)
 	}
-	if isForkIncompatible(c.ByzantiumBlock, newcfg.ByzantiumBlock, lastHeight) {
-		return newCompatError("Byzantium fork block", c.ByzantiumBlock, newcfg.ByzantiumBlock)
+	if isForkBlockIncompatible(c.ByzantiumBlock, newcfg.ByzantiumBlock, height) {
+		return newBlockCompatError("Byzantium fork block", c.ByzantiumBlock, newcfg.ByzantiumBlock)
 	}
-	if isForkIncompatible(c.ConstantinopleBlock, newcfg.ConstantinopleBlock, lastHeight) {
-		return newCompatError("Constantinople fork block", c.ConstantinopleBlock, newcfg.ConstantinopleBlock)
+	if isForkBlockIncompatible(c.ConstantinopleBlock, newcfg.ConstantinopleBlock, height) {
+		return newBlockCompatError("Constantinople fork block", c.ConstantinopleBlock, newcfg.ConstantinopleBlock)
 	}
-	if isForkIncompatible(c.PetersburgBlock, newcfg.PetersburgBlock, lastHeight) {
+	if isForkBlockIncompatible(c.PetersburgBlock, newcfg.PetersburgBlock, height) {
 		// the only case where we allow Petersburg to be set in the past is if it is equal to Constantinople
 		// mainly to satisfy fork ordering requirements which state that Petersburg fork be set if Constantinople fork is set
-		if isForkIncompatible(c.ConstantinopleBlock, newcfg.PetersburgBlock, lastHeight) {
-			return newCompatError("Petersburg fork block", c.PetersburgBlock, newcfg.PetersburgBlock)
+		if isForkBlockIncompatible(c.ConstantinopleBlock, newcfg.PetersburgBlock, height) {
+			return newBlockCompatError("Petersburg fork block", c.PetersburgBlock, newcfg.PetersburgBlock)
 		}
 	}
-	if isForkIncompatible(c.IstanbulBlock, newcfg.IstanbulBlock, lastHeight) {
-		return newCompatError("Istanbul fork block", c.IstanbulBlock, newcfg.IstanbulBlock)
+	if isForkBlockIncompatible(c.IstanbulBlock, newcfg.IstanbulBlock, height) {
+		return newBlockCompatError("Istanbul fork block", c.IstanbulBlock, newcfg.IstanbulBlock)
+	}
+	if isForkBlockIncompatible(c.MuirGlacierBlock, newcfg.MuirGlacierBlock, height) {
+		return newBlockCompatError("Muir Glacier fork block", c.MuirGlacierBlock, newcfg.MuirGlacierBlock)
 	}
-	if isForkIncompatible(c.MuirGlacierBlock, newcfg.MuirGlacierBlock, lastHeight) {
-		return newCompatError("Muir Glacier fork block", c.MuirGlacierBlock, newcfg.MuirGlacierBlock)
+
+	// Check avalanhe network upgrades
+	if err := c.CheckMandatoryCompatible(&newcfg.MandatoryNetworkUpgrades, time); err != nil {
+		return err
 	}
 
 	// Check subnet-evm specific activations
-	newNetworkUpgrades := newcfg.getNetworkUpgrades()
-	if c.UpgradeConfig.NetworkUpgrades != nil && newcfg.UpgradeConfig.NetworkUpgrades == nil {
-		// Note: if the current NetworkUpgrades are set via UpgradeConfig, then a new config
-		// without NetworkUpgrades will be treated as having specified an empty set of network
+	newOptionalNetworkUpgrades := newcfg.getOptionalNetworkUpgrades()
+	if c.UpgradeConfig.OptionalNetworkUpgrades != nil && newcfg.UpgradeConfig.OptionalNetworkUpgrades == nil {
+		// Note: if the current OptionalNetworkUpgrades are set via UpgradeConfig, then a new config
+		// without OptionalNetworkUpgrades will be treated as having specified an empty set of network
 		// upgrades (ie., treated as the user intends to cancel scheduled forks)
-		newNetworkUpgrades = &NetworkUpgrades{}
+		newOptionalNetworkUpgrades = &OptionalNetworkUpgrades{}
 	}
-	if err := c.getNetworkUpgrades().CheckCompatible(newNetworkUpgrades, lastTimestamp); err != nil {
+	if err := c.getOptionalNetworkUpgrades().CheckOptionalCompatible(newOptionalNetworkUpgrades, time); err != nil {
 		return err
 	}
 
 	// Check that the precompiles on the new config are compatible with the existing precompile config.
-	if err := c.CheckPrecompilesCompatible(newcfg.PrecompileUpgrades, lastTimestamp); err != nil {
+	if err := c.CheckPrecompilesCompatible(newcfg.PrecompileUpgrades, time); err != nil {
 		return err
 	}
 
 	// Check that the state upgrades on the new config are compatible with the existing state upgrade config.
-	if err := c.CheckStateUpgradesCompatible(newcfg.StateUpgrades, lastTimestamp); err != nil {
+	if err := c.CheckStateUpgradesCompatible(newcfg.StateUpgrades, time); err != nil {
 		return err
 	}
 
@@ -523,32 +594,66 @@ func (c *ChainConfig) checkCompatible(newcfg *ChainConfig, lastHeight *big.Int,
 	return nil
 }
 
-// getNetworkUpgrades returns NetworkUpgrades from upgrade config if set there,
+// getOptionalNetworkUpgrades returns OptionalNetworkUpgrades from upgrade config if set there,
 // otherwise it falls back to the genesis chain config.
-func (c *ChainConfig) getNetworkUpgrades() *NetworkUpgrades {
-	if upgradeConfigOverride := c.UpgradeConfig.NetworkUpgrades; upgradeConfigOverride != nil {
+func (c *ChainConfig) getOptionalNetworkUpgrades() *OptionalNetworkUpgrades {
+	if upgradeConfigOverride := c.UpgradeConfig.OptionalNetworkUpgrades; upgradeConfigOverride != nil {
 		return upgradeConfigOverride
 	}
-	return &c.NetworkUpgrades
+	return &c.OptionalNetworkUpgrades
 }
 
-// isForkIncompatible returns true if a fork scheduled at s1 cannot be rescheduled to
+// isForkBlockIncompatible returns true if a fork scheduled at s1 cannot be rescheduled to
 // block s2 because head is already past the fork.
-func isForkIncompatible(s1, s2, head *big.Int) bool {
-	return (utils.IsForked(s1, head) || utils.IsForked(s2, head)) && !utils.BigNumEqual(s1, s2)
+func isForkBlockIncompatible(s1, s2, head *big.Int) bool {
+	return (utils.IsBlockForked(s1, head) || utils.IsBlockForked(s2, head)) && !configBlockEqual(s1, s2)
+}
+
+func configBlockEqual(x, y *big.Int) bool {
+	if x == nil {
+		return y == nil
+	}
+	if y == nil {
+		return x == nil
+	}
+	return x.Cmp(y) == 0
+}
+
+// isForkTimestampIncompatible returns true if a fork scheduled at timestamp s1
+// cannot be rescheduled to timestamp s2 because head is already past the fork.
+func isForkTimestampIncompatible(s1, s2 *uint64, head uint64) bool {
+	return (utils.IsTimestampForked(s1, head) || utils.IsTimestampForked(s2, head)) && !configTimestampEqual(s1, s2)
+}
+
+func configTimestampEqual(x, y *uint64) bool {
+	if x == nil {
+		return y == nil
+	}
+	if y == nil {
+		return x == nil
+	}
+	return *x == *y
 }
 
 // ConfigCompatError is raised if the locally-stored blockchain is initialised with a
 // ChainConfig that would alter the past.
 type ConfigCompatError struct {
 	What string
-	// block numbers of the stored and new configurations
-	StoredConfig, NewConfig *big.Int
+
+	// block numbers of the stored and new configurations if block based forking
+	StoredBlock, NewBlock *big.Int
+
+	// timestamps of the stored and new configurations if time based forking
+	StoredTime, NewTime *uint64
+
 	// the block number to which the local chain must be rewound to correct the error
-	RewindTo uint64
+	RewindToBlock uint64
+
+	// the timestamp to which the local chain must be rewound to correct the error
+	RewindToTime uint64
 }
 
-func newCompatError(what string, storedblock, newblock *big.Int) *ConfigCompatError {
+func newBlockCompatError(what string, storedblock, newblock *big.Int) *ConfigCompatError {
 	var rew *big.Int
 	switch {
 	case storedblock == nil:
@@ -558,15 +663,45 @@ func newCompatError(what string, storedblock, newblock *big.Int) *ConfigCompatEr
 	default:
 		rew = newblock
 	}
-	err := &ConfigCompatError{what, storedblock, newblock, 0}
+	err := &ConfigCompatError{
+		What:          what,
+		StoredBlock:   storedblock,
+		NewBlock:      newblock,
+		RewindToBlock: 0,
+	}
 	if rew != nil && rew.Sign() > 0 {
-		err.RewindTo = rew.Uint64() - 1
+		err.RewindToBlock = rew.Uint64() - 1
+	}
+	return err
+}
+
+func newTimestampCompatError(what string, storedtime, newtime *uint64) *ConfigCompatError {
+	var rew *uint64
+	switch {
+	case storedtime == nil:
+		rew = newtime
+	case newtime == nil || *storedtime < *newtime:
+		rew = storedtime
+	default:
+		rew = newtime
+	}
+	err := &ConfigCompatError{
+		What:         what,
+		StoredTime:   storedtime,
+		NewTime:      newtime,
+		RewindToTime: 0,
+	}
+	if rew != nil && *rew > 0 {
+		err.RewindToTime = *rew - 1
 	}
 	return err
 }
 
 func (err *ConfigCompatError) Error() string {
-	return fmt.Sprintf("mismatching %s in database (have %d, want %d, rewindto %d)", err.What, err.StoredConfig, err.NewConfig, err.RewindTo)
+	if err.StoredBlock != nil {
+		return fmt.Sprintf("mismatching %s in database (have block %d, want block %d, rewindto block %d)", err.What, err.StoredBlock, err.NewBlock, err.RewindToBlock)
+	}
+	return fmt.Sprintf("mismatching %s in database (have timestamp %d, want timestamp %d, rewindto timestamp %d)", err.What, err.StoredTime, err.NewTime, err.RewindToTime)
 }
 
 // Rules wraps ChainConfig and is merely syntactic sugar or can be used for functions
@@ -581,6 +716,7 @@ type Rules struct {
 
 	// Rules for Avalanche releases
 	IsSubnetEVM bool
+	IsDUpgrade  bool
 
 	// ActivePrecompiles maps addresses to stateful precompiled contracts that are enabled
 	// for this rule set.
@@ -625,10 +761,11 @@ func (c *ChainConfig) rules(num *big.Int) Rules {
 
 // AvalancheRules returns the Avalanche modified rules to support Avalanche
 // network upgrades
-func (c *ChainConfig) AvalancheRules(blockNum, blockTimestamp *big.Int) Rules {
+func (c *ChainConfig) AvalancheRules(blockNum *big.Int, timestamp uint64) Rules {
 	rules := c.rules(blockNum)
 
-	rules.IsSubnetEVM = c.IsSubnetEVM(blockTimestamp)
+	rules.IsSubnetEVM = c.IsSubnetEVM(timestamp)
+	rules.IsDUpgrade = c.IsDUpgrade(timestamp)
 
 	// Initialize the stateful precompiles that should be enabled at [blockTimestamp].
 	rules.ActivePrecompiles = make(map[common.Address]precompileconfig.Config)
@@ -636,7 +773,7 @@ func (c *ChainConfig) AvalancheRules(blockNum, blockTimestamp *big.Int) Rules {
 	rules.ProposerPredicates = make(map[common.Address]precompileconfig.ProposerPredicater)
 	rules.AccepterPrecompiles = make(map[common.Address]precompileconfig.Accepter)
 	for _, module := range modules.RegisteredModules() {
-		if config := c.getActivePrecompileConfig(module.Address, blockTimestamp); config != nil && !config.IsDisabled() {
+		if config := c.getActivePrecompileConfig(module.Address, timestamp); config != nil && !config.IsDisabled() {
 			rules.ActivePrecompiles[module.Address] = config
 			if precompilePredicate, ok := config.(precompileconfig.PrecompilePredicater); ok {
 				rules.PredicatePrecompiles[module.Address] = precompilePredicate
diff --git a/params/config_test.go b/params/config_test.go
index 12d7b8beb2..9bbe8b2252 100644
--- a/params/config_test.go
+++ b/params/config_test.go
@@ -28,127 +28,153 @@ package params
 
 import (
 	"encoding/json"
+	"math"
 	"math/big"
 	"reflect"
 	"testing"
+	"time"
 
 	"github.com/ava-labs/subnet-evm/precompile/contracts/nativeminter"
 	"github.com/ava-labs/subnet-evm/precompile/contracts/rewardmanager"
 	"github.com/ava-labs/subnet-evm/precompile/contracts/txallowlist"
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/stretchr/testify/require"
 )
 
 func TestCheckCompatible(t *testing.T) {
 	type test struct {
-		stored, new                 *ChainConfig
-		blockHeight, blockTimestamp uint64
-		wantErr                     *ConfigCompatError
+		stored, new   *ChainConfig
+		headBlock     uint64
+		headTimestamp uint64
+		wantErr       *ConfigCompatError
 	}
 	tests := []test{
-		{stored: TestChainConfig, new: TestChainConfig, blockHeight: 0, blockTimestamp: 0, wantErr: nil},
-		{stored: TestChainConfig, new: TestChainConfig, blockHeight: 100, blockTimestamp: 1000, wantErr: nil},
+		{stored: TestChainConfig, new: TestChainConfig, headBlock: 0, headTimestamp: 0, wantErr: nil},
+		{stored: TestChainConfig, new: TestChainConfig, headBlock: 0, headTimestamp: uint64(time.Now().Unix()), wantErr: nil},
+		{stored: TestChainConfig, new: TestChainConfig, headBlock: 100, wantErr: nil},
 		{
-			stored:         &ChainConfig{EIP150Block: big.NewInt(10)},
-			new:            &ChainConfig{EIP150Block: big.NewInt(20)},
-			blockHeight:    9,
-			blockTimestamp: 90,
-			wantErr:        nil,
+			stored:        &ChainConfig{EIP150Block: big.NewInt(10)},
+			new:           &ChainConfig{EIP150Block: big.NewInt(20)},
+			headBlock:     9,
+			headTimestamp: 90,
+			wantErr:       nil,
 		},
 		{
-			stored:         TestChainConfig,
-			new:            &ChainConfig{HomesteadBlock: nil},
-			blockHeight:    3,
-			blockTimestamp: 30,
+			stored:        TestChainConfig,
+			new:           &ChainConfig{HomesteadBlock: nil},
+			headBlock:     3,
+			headTimestamp: 30,
 			wantErr: &ConfigCompatError{
-				What:         "Homestead fork block",
-				StoredConfig: big.NewInt(0),
-				NewConfig:    nil,
-				RewindTo:     0,
+				What:          "Homestead fork block",
+				StoredBlock:   big.NewInt(0),
+				NewBlock:      nil,
+				RewindToBlock: 0,
 			},
 		},
 		{
-			stored:         TestChainConfig,
-			new:            &ChainConfig{HomesteadBlock: big.NewInt(1)},
-			blockHeight:    3,
-			blockTimestamp: 30,
+			stored:        TestChainConfig,
+			new:           &ChainConfig{HomesteadBlock: big.NewInt(1)},
+			headBlock:     3,
+			headTimestamp: 30,
 			wantErr: &ConfigCompatError{
-				What:         "Homestead fork block",
-				StoredConfig: big.NewInt(0),
-				NewConfig:    big.NewInt(1),
-				RewindTo:     0,
+				What:          "Homestead fork block",
+				StoredBlock:   big.NewInt(0),
+				NewBlock:      big.NewInt(1),
+				RewindToBlock: 0,
 			},
 		},
 		{
-			stored:         &ChainConfig{HomesteadBlock: big.NewInt(30), EIP150Block: big.NewInt(10)},
-			new:            &ChainConfig{HomesteadBlock: big.NewInt(25), EIP150Block: big.NewInt(20)},
-			blockHeight:    25,
-			blockTimestamp: 250,
+			stored:        &ChainConfig{HomesteadBlock: big.NewInt(30), EIP150Block: big.NewInt(10)},
+			new:           &ChainConfig{HomesteadBlock: big.NewInt(25), EIP150Block: big.NewInt(20)},
+			headBlock:     25,
+			headTimestamp: 250,
 			wantErr: &ConfigCompatError{
-				What:         "EIP150 fork block",
-				StoredConfig: big.NewInt(10),
-				NewConfig:    big.NewInt(20),
-				RewindTo:     9,
+				What:          "EIP150 fork block",
+				StoredBlock:   big.NewInt(10),
+				NewBlock:      big.NewInt(20),
+				RewindToBlock: 9,
 			},
 		},
 		{
-			stored:         &ChainConfig{ConstantinopleBlock: big.NewInt(30)},
-			new:            &ChainConfig{ConstantinopleBlock: big.NewInt(30), PetersburgBlock: big.NewInt(30)},
-			blockHeight:    40,
-			blockTimestamp: 400,
-			wantErr:        nil,
+			stored:        &ChainConfig{ConstantinopleBlock: big.NewInt(30)},
+			new:           &ChainConfig{ConstantinopleBlock: big.NewInt(30), PetersburgBlock: big.NewInt(30)},
+			headBlock:     40,
+			headTimestamp: 400,
+			wantErr:       nil,
 		},
 		{
-			stored:         &ChainConfig{ConstantinopleBlock: big.NewInt(30)},
-			new:            &ChainConfig{ConstantinopleBlock: big.NewInt(30), PetersburgBlock: big.NewInt(31)},
-			blockHeight:    40,
-			blockTimestamp: 400,
+			stored:        &ChainConfig{ConstantinopleBlock: big.NewInt(30)},
+			new:           &ChainConfig{ConstantinopleBlock: big.NewInt(30), PetersburgBlock: big.NewInt(31)},
+			headBlock:     40,
+			headTimestamp: 400,
 			wantErr: &ConfigCompatError{
-				What:         "Petersburg fork block",
-				StoredConfig: nil,
-				NewConfig:    big.NewInt(31),
-				RewindTo:     30,
+				What:          "Petersburg fork block",
+				StoredBlock:   nil,
+				NewBlock:      big.NewInt(31),
+				RewindToBlock: 30,
 			},
 		},
 		{
-			stored:         TestChainConfig,
-			new:            TestPreSubnetEVMConfig,
-			blockHeight:    0,
-			blockTimestamp: 0,
+			stored:        TestChainConfig,
+			new:           TestPreSubnetEVMConfig,
+			headBlock:     0,
+			headTimestamp: 0,
 			wantErr: &ConfigCompatError{
 				What:         "SubnetEVM fork block timestamp",
-				StoredConfig: big.NewInt(0),
-				NewConfig:    nil,
-				RewindTo:     0,
+				StoredTime:   utils.NewUint64(0),
+				NewTime:      nil,
+				RewindToTime: 0,
 			},
 		},
 		{
-			stored:         TestChainConfig,
-			new:            TestPreSubnetEVMConfig,
-			blockHeight:    10,
-			blockTimestamp: 100,
+			stored:        TestChainConfig,
+			new:           TestPreSubnetEVMConfig,
+			headBlock:     10,
+			headTimestamp: 100,
 			wantErr: &ConfigCompatError{
 				What:         "SubnetEVM fork block timestamp",
-				StoredConfig: big.NewInt(0),
-				NewConfig:    nil,
-				RewindTo:     0,
+				StoredTime:   utils.NewUint64(0),
+				NewTime:      nil,
+				RewindToTime: 0,
 			},
 		},
 	}
 
 	for _, test := range tests {
-		err := test.stored.CheckCompatible(test.new, test.blockHeight, test.blockTimestamp)
+		err := test.stored.CheckCompatible(test.new, test.headBlock, test.headTimestamp)
 		if !reflect.DeepEqual(err, test.wantErr) {
-			t.Errorf("error mismatch:\nstored: %v\nnew: %v\nblockHeight: %v\nerr: %v\nwant: %v", test.stored, test.new, test.blockHeight, err, test.wantErr)
+			t.Errorf("error mismatch:\nstored: %v\nnew: %v\nblockHeight: %v\nerr: %v\nwant: %v", test.stored, test.new, test.headBlock, err, test.wantErr)
 		}
 	}
 }
 
+func TestConfigRules(t *testing.T) {
+	c := &ChainConfig{
+		MandatoryNetworkUpgrades: MandatoryNetworkUpgrades{
+			SubnetEVMTimestamp: utils.NewUint64(500),
+		},
+	}
+
+	var stamp uint64
+	if r := c.AvalancheRules(big.NewInt(0), stamp); r.IsSubnetEVM {
+		t.Errorf("expected %v to not be subnet-evm", stamp)
+	}
+	stamp = 500
+	if r := c.AvalancheRules(big.NewInt(0), stamp); !r.IsSubnetEVM {
+		t.Errorf("expected %v to be subnet-evm", stamp)
+	}
+	stamp = math.MaxInt64
+	if r := c.AvalancheRules(big.NewInt(0), stamp); !r.IsSubnetEVM {
+		t.Errorf("expected %v to be subnet-evm", stamp)
+	}
+}
+
 func TestConfigUnmarshalJSON(t *testing.T) {
 	require := require.New(t)
 
 	testRewardManagerConfig := rewardmanager.NewConfig(
-		big.NewInt(1671542573),
+		utils.NewUint64(1671542573),
 		[]common.Address{common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC")},
 		nil,
 		&rewardmanager.InitialRewardConfig{
@@ -156,7 +182,7 @@ func TestConfigUnmarshalJSON(t *testing.T) {
 		})
 
 	testContractNativeMinterConfig := nativeminter.NewConfig(
-		big.NewInt(0),
+		utils.NewUint64(0),
 		[]common.Address{common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC")},
 		nil,
 		nil,
@@ -213,19 +239,19 @@ func TestActivePrecompiles(t *testing.T) {
 		UpgradeConfig: UpgradeConfig{
 			PrecompileUpgrades: []PrecompileUpgrade{
 				{
-					nativeminter.NewConfig(common.Big0, nil, nil, nil), // enable at genesis
+					nativeminter.NewConfig(utils.NewUint64(0), nil, nil, nil), // enable at genesis
 				},
 				{
-					nativeminter.NewDisableConfig(common.Big1), // disable at timestamp 1
+					nativeminter.NewDisableConfig(utils.NewUint64(1)), // disable at timestamp 1
 				},
 			},
 		},
 	}
 
-	rules0 := config.AvalancheRules(common.Big0, common.Big0)
+	rules0 := config.AvalancheRules(common.Big0, 0)
 	require.True(t, rules0.IsPrecompileEnabled(nativeminter.Module.Address))
 
-	rules1 := config.AvalancheRules(common.Big0, common.Big1)
+	rules1 := config.AvalancheRules(common.Big0, 1)
 	require.False(t, rules1.IsPrecompileEnabled(nativeminter.Module.Address))
 }
 
@@ -245,20 +271,56 @@ func TestChainConfigMarshalWithUpgrades(t *testing.T) {
 			PetersburgBlock:     big.NewInt(0),
 			IstanbulBlock:       big.NewInt(0),
 			MuirGlacierBlock:    big.NewInt(0),
-			NetworkUpgrades:     NetworkUpgrades{big.NewInt(0)},
-			GenesisPrecompiles:  Precompiles{},
+			MandatoryNetworkUpgrades: MandatoryNetworkUpgrades{
+				SubnetEVMTimestamp: utils.NewUint64(0),
+				DUpgradeTimestamp:  utils.NewUint64(0),
+			},
+			GenesisPrecompiles: Precompiles{},
 		},
 		UpgradeConfig: UpgradeConfig{
 			PrecompileUpgrades: []PrecompileUpgrade{
 				{
-					Config: txallowlist.NewConfig(big.NewInt(100), nil, nil),
+					Config: txallowlist.NewConfig(utils.NewUint64(100), nil, nil),
 				},
 			},
 		},
 	}
 	result, err := json.Marshal(&config)
 	require.NoError(t, err)
-	expectedJSON := `{"chainId":1,"feeConfig":{"gasLimit":8000000,"targetBlockRate":2,"minBaseFee":25000000000,"targetGas":15000000,"baseFeeChangeDenominator":36,"minBlockGasCost":0,"maxBlockGasCost":1000000,"blockGasCostStep":200000},"homesteadBlock":0,"eip150Block":0,"eip150Hash":"0x0000000000000000000000000000000000000000000000000000000000000000","eip155Block":0,"eip158Block":0,"byzantiumBlock":0,"constantinopleBlock":0,"petersburgBlock":0,"istanbulBlock":0,"muirGlacierBlock":0,"subnetEVMTimestamp":0,"upgrades":{"precompileUpgrades":[{"txAllowListConfig":{"blockTimestamp":100}}]}}`
+	expectedJSON := `{
+		"chainId": 1,
+		"feeConfig": {
+			"gasLimit": 8000000,
+			"targetBlockRate": 2,
+			"minBaseFee": 25000000000,
+			"targetGas": 15000000,
+			"baseFeeChangeDenominator": 36,
+			"minBlockGasCost": 0,
+			"maxBlockGasCost": 1000000,
+			"blockGasCostStep": 200000
+		},
+		"homesteadBlock": 0,
+		"eip150Block": 0,
+		"eip150Hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+		"eip155Block": 0,
+		"eip158Block": 0,
+		"byzantiumBlock": 0,
+		"constantinopleBlock": 0,
+		"petersburgBlock": 0,
+		"istanbulBlock": 0,
+		"muirGlacierBlock": 0,
+		"subnetEVMTimestamp": 0,
+		"dUpgradeTimestamp": 0,
+		"upgrades": {
+			"precompileUpgrades": [
+				{
+					"txAllowListConfig": {
+						"blockTimestamp": 100
+					}
+				}
+			]
+		}
+	}`
 	require.JSONEq(t, expectedJSON, string(result))
 
 	var unmarshalled ChainConfigWithUpgradesJSON
diff --git a/params/network_upgrades.go b/params/network_upgrades.go
index 9d91ec9327..d9c1153cbd 100644
--- a/params/network_upgrades.go
+++ b/params/network_upgrades.go
@@ -4,19 +4,76 @@
 package params
 
 import (
-	"math/big"
+	"github.com/ava-labs/avalanchego/utils/constants"
+	"github.com/ava-labs/subnet-evm/utils"
 )
 
-// NetworkUpgrades contains timestamps that enable avalanche network upgrades.
-type NetworkUpgrades struct {
-	SubnetEVMTimestamp *big.Int `json:"subnetEVMTimestamp,omitempty"` // A placeholder for the latest avalanche forks (nil = no fork, 0 = already activated)
+var (
+	LocalNetworkUpgrades = MandatoryNetworkUpgrades{
+		SubnetEVMTimestamp: utils.NewUint64(0),
+		DUpgradeTimestamp:  utils.NewUint64(0),
+	}
+
+	FujiNetworkUpgrades = MandatoryNetworkUpgrades{
+		SubnetEVMTimestamp: utils.NewUint64(0),
+		// DUpgradeTimestamp: utils.NewUint64(0), // TODO: Uncomment and set this to the correct value
+	}
+
+	MainnetNetworkUpgrades = MandatoryNetworkUpgrades{
+		SubnetEVMTimestamp: utils.NewUint64(0),
+		// DUpgradeTimestamp: utils.NewUint64(0), // TODO: Uncomment and set this to the correct value
+	}
+)
+
+// MandatoryNetworkUpgrades contains timestamps that enable mandatory network upgrades.
+// These upgrades are mandatory, meaning that if a node does not upgrade by the
+// specified timestamp, it will be unable to participate in consensus.
+// Avalanche specific network upgrades are also included here.
+type MandatoryNetworkUpgrades struct {
+	// SubnetEVMTimestamp is a placeholder that activates Avalanche Upgrades prior to ApricotPhase6 (nil = no fork, 0 = already activated)
+	SubnetEVMTimestamp *uint64 `json:"subnetEVMTimestamp,omitempty"`
+	// DUpgrade activates the Shanghai upgrade from Ethereum. (nil = no fork, 0 = already activated)
+	DUpgradeTimestamp *uint64 `json:"dUpgradeTimestamp,omitempty"`
 }
 
-func (n *NetworkUpgrades) CheckCompatible(newcfg *NetworkUpgrades, headTimestamp *big.Int) *ConfigCompatError {
-	// Check subnet-evm specific activations
-	if isForkIncompatible(n.SubnetEVMTimestamp, newcfg.SubnetEVMTimestamp, headTimestamp) {
-		return newCompatError("SubnetEVM fork block timestamp", n.SubnetEVMTimestamp, newcfg.SubnetEVMTimestamp)
+func (m *MandatoryNetworkUpgrades) CheckMandatoryCompatible(newcfg *MandatoryNetworkUpgrades, time uint64) *ConfigCompatError {
+	if isForkTimestampIncompatible(m.SubnetEVMTimestamp, newcfg.SubnetEVMTimestamp, time) {
+		return newTimestampCompatError("SubnetEVM fork block timestamp", m.SubnetEVMTimestamp, newcfg.SubnetEVMTimestamp)
+	}
+	if isForkTimestampIncompatible(m.DUpgradeTimestamp, newcfg.DUpgradeTimestamp, time) {
+		return newTimestampCompatError("DUpgrade fork block timestamp", m.DUpgradeTimestamp, newcfg.DUpgradeTimestamp)
 	}
+	return nil
+}
 
+func (m *MandatoryNetworkUpgrades) mandatoryForkOrder() []fork {
+	return []fork{
+		{name: "subnetEVMTimestamp", timestamp: m.SubnetEVMTimestamp},
+		{name: "dUpgradeTimestamp", timestamp: m.DUpgradeTimestamp},
+	}
+}
+
+func GetMandatoryNetworkUpgrades(networkID uint32) MandatoryNetworkUpgrades {
+	switch networkID {
+	case constants.FujiID:
+		return FujiNetworkUpgrades
+	case constants.MainnetID:
+		return MainnetNetworkUpgrades
+	default:
+		return LocalNetworkUpgrades
+	}
+}
+
+// OptionalNetworkUpgrades includes overridable and optional Subnet-EVM network upgrades.
+// These can be specified in genesis and upgrade configs.
+// Timestamps can be different for each subnet network.
+// TODO: once we add the first optional upgrade here, we should uncomment TestVMUpgradeBytesOptionalNetworkUpgrades
+type OptionalNetworkUpgrades struct{}
+
+func (n *OptionalNetworkUpgrades) CheckOptionalCompatible(newcfg *OptionalNetworkUpgrades, time uint64) *ConfigCompatError {
 	return nil
 }
+
+func (n *OptionalNetworkUpgrades) optionalForkOrder() []fork {
+	return []fork{}
+}
diff --git a/params/precompile_config_test.go b/params/precompile_config_test.go
index 8d634b34d1..7e4ee2b337 100644
--- a/params/precompile_config_test.go
+++ b/params/precompile_config_test.go
@@ -14,25 +14,26 @@ import (
 	"github.com/ava-labs/subnet-evm/precompile/contracts/nativeminter"
 	"github.com/ava-labs/subnet-evm/precompile/contracts/rewardmanager"
 	"github.com/ava-labs/subnet-evm/precompile/contracts/txallowlist"
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/stretchr/testify/require"
 )
 
 func TestVerifyWithChainConfig(t *testing.T) {
 	admins := []common.Address{{1}}
-	baseConfig := *SubnetEVMDefaultChainConfig
+	baseConfig := *TestChainConfig
 	config := &baseConfig
 	config.GenesisPrecompiles = Precompiles{
-		txallowlist.ConfigKey: txallowlist.NewConfig(big.NewInt(2), nil, nil),
+		txallowlist.ConfigKey: txallowlist.NewConfig(utils.NewUint64(2), nil, nil),
 	}
 	config.PrecompileUpgrades = []PrecompileUpgrade{
 		{
 			// disable TxAllowList at timestamp 4
-			txallowlist.NewDisableConfig(big.NewInt(4)),
+			txallowlist.NewDisableConfig(utils.NewUint64(4)),
 		},
 		{
 			// re-enable TxAllowList at timestamp 5
-			txallowlist.NewConfig(big.NewInt(5), admins, nil),
+			txallowlist.NewConfig(utils.NewUint64(5), admins, nil),
 		},
 	}
 
@@ -45,7 +46,7 @@ func TestVerifyWithChainConfig(t *testing.T) {
 	badConfig.PrecompileUpgrades = append(
 		badConfig.PrecompileUpgrades,
 		PrecompileUpgrade{
-			Config: txallowlist.NewDisableConfig(big.NewInt(5)),
+			Config: txallowlist.NewDisableConfig(utils.NewUint64(5)),
 		},
 	)
 	err = badConfig.Verify()
@@ -56,7 +57,7 @@ func TestVerifyWithChainConfig(t *testing.T) {
 	badConfig.PrecompileUpgrades = append(
 		badConfig.PrecompileUpgrades,
 		PrecompileUpgrade{
-			Config: txallowlist.NewConfig(big.NewInt(5), admins, nil),
+			Config: txallowlist.NewConfig(utils.NewUint64(5), admins, nil),
 		},
 	)
 	err = badConfig.Verify()
@@ -65,17 +66,17 @@ func TestVerifyWithChainConfig(t *testing.T) {
 
 func TestVerifyWithChainConfigAtNilTimestamp(t *testing.T) {
 	admins := []common.Address{{0}}
-	baseConfig := *SubnetEVMDefaultChainConfig
+	baseConfig := *TestChainConfig
 	config := &baseConfig
 	config.PrecompileUpgrades = []PrecompileUpgrade{
 		// this does NOT enable the precompile, so it should be upgradeable.
 		{Config: txallowlist.NewConfig(nil, nil, nil)},
 	}
-	require.False(t, config.IsPrecompileEnabled(txallowlist.ContractAddress, common.Big0)) // check the precompile is not enabled.
+	require.False(t, config.IsPrecompileEnabled(txallowlist.ContractAddress, 0)) // check the precompile is not enabled.
 	config.PrecompileUpgrades = []PrecompileUpgrade{
 		{
 			// enable TxAllowList at timestamp 5
-			Config: txallowlist.NewConfig(big.NewInt(5), admins, nil),
+			Config: txallowlist.NewConfig(utils.NewUint64(5), admins, nil),
 		},
 	}
 
@@ -94,10 +95,10 @@ func TestVerifyPrecompileUpgrades(t *testing.T) {
 			name: "enable and disable tx allow list",
 			upgrades: []PrecompileUpgrade{
 				{
-					Config: txallowlist.NewConfig(big.NewInt(1), admins, nil),
+					Config: txallowlist.NewConfig(utils.NewUint64(1), admins, nil),
 				},
 				{
-					Config: txallowlist.NewDisableConfig(big.NewInt(2)),
+					Config: txallowlist.NewDisableConfig(utils.NewUint64(2)),
 				},
 			},
 			expectedError: "",
@@ -106,13 +107,13 @@ func TestVerifyPrecompileUpgrades(t *testing.T) {
 			name: "invalid allow list config in tx allowlist",
 			upgrades: []PrecompileUpgrade{
 				{
-					Config: txallowlist.NewConfig(big.NewInt(1), admins, nil),
+					Config: txallowlist.NewConfig(utils.NewUint64(1), admins, nil),
 				},
 				{
-					Config: txallowlist.NewDisableConfig(big.NewInt(2)),
+					Config: txallowlist.NewDisableConfig(utils.NewUint64(2)),
 				},
 				{
-					Config: txallowlist.NewConfig(big.NewInt(3), admins, admins),
+					Config: txallowlist.NewConfig(utils.NewUint64(3), admins, admins),
 				},
 			},
 			expectedError: "cannot set address",
@@ -121,7 +122,7 @@ func TestVerifyPrecompileUpgrades(t *testing.T) {
 			name: "invalid initial fee manager config",
 			upgrades: []PrecompileUpgrade{
 				{
-					Config: feemanager.NewConfig(big.NewInt(3), admins, nil,
+					Config: feemanager.NewConfig(utils.NewUint64(3), admins, nil,
 						func() *commontype.FeeConfig {
 							feeConfig := DefaultFeeConfig
 							feeConfig.GasLimit = big.NewInt(-1)
@@ -135,7 +136,7 @@ func TestVerifyPrecompileUpgrades(t *testing.T) {
 			name: "invalid initial fee manager config gas limit 0",
 			upgrades: []PrecompileUpgrade{
 				{
-					Config: feemanager.NewConfig(big.NewInt(3), admins, nil,
+					Config: feemanager.NewConfig(utils.NewUint64(3), admins, nil,
 						func() *commontype.FeeConfig {
 							feeConfig := DefaultFeeConfig
 							feeConfig.GasLimit = common.Big0
@@ -149,10 +150,10 @@ func TestVerifyPrecompileUpgrades(t *testing.T) {
 			name: "different upgrades are allowed to configure same timestamp for different precompiles",
 			upgrades: []PrecompileUpgrade{
 				{
-					Config: txallowlist.NewConfig(big.NewInt(1), admins, nil),
+					Config: txallowlist.NewConfig(utils.NewUint64(1), admins, nil),
 				},
 				{
-					Config: feemanager.NewConfig(big.NewInt(1), admins, nil, nil),
+					Config: feemanager.NewConfig(utils.NewUint64(1), admins, nil, nil),
 				},
 			},
 			expectedError: "",
@@ -161,10 +162,10 @@ func TestVerifyPrecompileUpgrades(t *testing.T) {
 			name: "different upgrades must be monotonically increasing",
 			upgrades: []PrecompileUpgrade{
 				{
-					Config: txallowlist.NewConfig(big.NewInt(2), admins, nil),
+					Config: txallowlist.NewConfig(utils.NewUint64(2), admins, nil),
 				},
 				{
-					Config: feemanager.NewConfig(big.NewInt(1), admins, nil, nil),
+					Config: feemanager.NewConfig(utils.NewUint64(1), admins, nil, nil),
 				},
 			},
 			expectedError: "config block timestamp (1) < previous timestamp (2)",
@@ -173,10 +174,10 @@ func TestVerifyPrecompileUpgrades(t *testing.T) {
 			name: "upgrades with same keys are not allowed to configure same timestamp for same precompiles",
 			upgrades: []PrecompileUpgrade{
 				{
-					Config: txallowlist.NewConfig(big.NewInt(1), admins, nil),
+					Config: txallowlist.NewConfig(utils.NewUint64(1), admins, nil),
 				},
 				{
-					Config: txallowlist.NewDisableConfig(big.NewInt(1)),
+					Config: txallowlist.NewDisableConfig(utils.NewUint64(1)),
 				},
 			},
 			expectedError: "config block timestamp (1) <= previous timestamp (1) of same key",
@@ -185,7 +186,7 @@ func TestVerifyPrecompileUpgrades(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			require := require.New(t)
-			baseConfig := *SubnetEVMDefaultChainConfig
+			baseConfig := *TestChainConfig
 			config := &baseConfig
 			config.PrecompileUpgrades = tt.upgrades
 
@@ -209,14 +210,14 @@ func TestVerifyPrecompiles(t *testing.T) {
 		{
 			name: "invalid allow list config in tx allowlist",
 			precompiles: Precompiles{
-				txallowlist.ConfigKey: txallowlist.NewConfig(big.NewInt(3), admins, admins),
+				txallowlist.ConfigKey: txallowlist.NewConfig(utils.NewUint64(3), admins, admins),
 			},
 			expectedError: "cannot set address",
 		},
 		{
 			name: "invalid initial fee manager config",
 			precompiles: Precompiles{
-				feemanager.ConfigKey: feemanager.NewConfig(big.NewInt(3), admins, nil,
+				feemanager.ConfigKey: feemanager.NewConfig(utils.NewUint64(3), admins, nil,
 					func() *commontype.FeeConfig {
 						feeConfig := DefaultFeeConfig
 						feeConfig.GasLimit = big.NewInt(-1)
@@ -229,7 +230,7 @@ func TestVerifyPrecompiles(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			require := require.New(t)
-			baseConfig := *SubnetEVMDefaultChainConfig
+			baseConfig := *TestChainConfig
 			config := &baseConfig
 			config.GenesisPrecompiles = tt.precompiles
 
@@ -245,14 +246,14 @@ func TestVerifyPrecompiles(t *testing.T) {
 
 func TestVerifyRequiresSortedTimestamps(t *testing.T) {
 	admins := []common.Address{{1}}
-	baseConfig := *SubnetEVMDefaultChainConfig
+	baseConfig := *TestChainConfig
 	config := &baseConfig
 	config.PrecompileUpgrades = []PrecompileUpgrade{
 		{
-			Config: txallowlist.NewConfig(big.NewInt(2), admins, nil),
+			Config: txallowlist.NewConfig(utils.NewUint64(2), admins, nil),
 		},
 		{
-			Config: deployerallowlist.NewConfig(big.NewInt(1), admins, nil),
+			Config: deployerallowlist.NewConfig(utils.NewUint64(1), admins, nil),
 		},
 	}
 
@@ -263,22 +264,22 @@ func TestVerifyRequiresSortedTimestamps(t *testing.T) {
 
 func TestGetPrecompileConfig(t *testing.T) {
 	require := require.New(t)
-	baseConfig := *SubnetEVMDefaultChainConfig
+	baseConfig := *TestChainConfig
 	config := &baseConfig
 	config.GenesisPrecompiles = Precompiles{
-		deployerallowlist.ConfigKey: deployerallowlist.NewConfig(big.NewInt(10), nil, nil),
+		deployerallowlist.ConfigKey: deployerallowlist.NewConfig(utils.NewUint64(10), nil, nil),
 	}
 
-	deployerConfig := config.getActivePrecompileConfig(deployerallowlist.ContractAddress, big.NewInt(0))
+	deployerConfig := config.getActivePrecompileConfig(deployerallowlist.ContractAddress, 0)
 	require.Nil(deployerConfig)
 
-	deployerConfig = config.getActivePrecompileConfig(deployerallowlist.ContractAddress, big.NewInt(10))
+	deployerConfig = config.getActivePrecompileConfig(deployerallowlist.ContractAddress, 10)
 	require.NotNil(deployerConfig)
 
-	deployerConfig = config.getActivePrecompileConfig(deployerallowlist.ContractAddress, big.NewInt(11))
+	deployerConfig = config.getActivePrecompileConfig(deployerallowlist.ContractAddress, 11)
 	require.NotNil(deployerConfig)
 
-	txAllowListConfig := config.getActivePrecompileConfig(txallowlist.ContractAddress, big.NewInt(0))
+	txAllowListConfig := config.getActivePrecompileConfig(txallowlist.ContractAddress, 0)
 	require.Nil(txAllowListConfig)
 }
 
@@ -318,7 +319,7 @@ func TestPrecompileUpgradeUnmarshalJSON(t *testing.T) {
 	rewardManagerConf := upgradeConfig.PrecompileUpgrades[0]
 	require.Equal(rewardManagerConf.Key(), rewardmanager.ConfigKey)
 	testRewardManagerConfig := rewardmanager.NewConfig(
-		big.NewInt(1671542573),
+		utils.NewUint64(1671542573),
 		[]common.Address{common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC")},
 		nil,
 		&rewardmanager.InitialRewardConfig{
@@ -328,7 +329,7 @@ func TestPrecompileUpgradeUnmarshalJSON(t *testing.T) {
 
 	nativeMinterConfig := upgradeConfig.PrecompileUpgrades[1]
 	require.Equal(nativeMinterConfig.Key(), nativeminter.ConfigKey)
-	expectedNativeMinterConfig := nativeminter.NewConfig(big.NewInt(1671543172), nil, nil, nil)
+	expectedNativeMinterConfig := nativeminter.NewConfig(utils.NewUint64(1671543172), nil, nil, nil)
 	require.True(nativeMinterConfig.Equal(expectedNativeMinterConfig))
 
 	// Marshal and unmarshal again and check that the result is the same
diff --git a/params/precompile_upgrade.go b/params/precompile_upgrade.go
index 8b346d91ab..9e0dffded6 100644
--- a/params/precompile_upgrade.go
+++ b/params/precompile_upgrade.go
@@ -7,7 +7,6 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"math/big"
 
 	"github.com/ava-labs/subnet-evm/precompile/modules"
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
@@ -72,7 +71,7 @@ func (c *ChainConfig) verifyPrecompileUpgrades() error {
 	// Store this struct to keep track of the last upgrade for each precompile key.
 	// Required for timestamp and disabled checks.
 	type lastUpgradeData struct {
-		blockTimestamp *big.Int
+		blockTimestamp uint64
 		disabled       bool
 	}
 
@@ -90,13 +89,13 @@ func (c *ChainConfig) verifyPrecompileUpgrades() error {
 		// check the genesis chain config for any enabled upgrade
 		lastPrecompileUpgrades[key] = lastUpgradeData{
 			disabled:       false,
-			blockTimestamp: config.Timestamp(),
+			blockTimestamp: *config.Timestamp(),
 		}
 	}
 
 	// next range over upgrades to verify correct use of disabled and blockTimestamps.
 	// previousUpgradeTimestamp is used to verify monotonically increasing timestamps.
-	var previousUpgradeTimestamp *big.Int
+	var previousUpgradeTimestamp *uint64
 	for i, upgrade := range c.PrecompileUpgrades {
 		key := upgrade.Key()
 
@@ -104,14 +103,14 @@ func (c *ChainConfig) verifyPrecompileUpgrades() error {
 		lastUpgradeByKey, ok := lastPrecompileUpgrades[key]
 		var (
 			disabled      bool
-			lastTimestamp *big.Int
+			lastTimestamp *uint64
 		)
 		if !ok {
 			disabled = true
 			lastTimestamp = nil
 		} else {
 			disabled = lastUpgradeByKey.disabled
-			lastTimestamp = lastUpgradeByKey.blockTimestamp
+			lastTimestamp = utils.NewUint64(lastUpgradeByKey.blockTimestamp)
 		}
 		upgradeTimestamp := upgrade.Timestamp()
 
@@ -120,8 +119,8 @@ func (c *ChainConfig) verifyPrecompileUpgrades() error {
 		}
 		// Verify specified timestamps are monotonically increasing across all precompile keys.
 		// Note: It is OK for multiple configs of DIFFERENT keys to specify the same timestamp.
-		if previousUpgradeTimestamp != nil && upgradeTimestamp.Cmp(previousUpgradeTimestamp) < 0 {
-			return fmt.Errorf("PrecompileUpgrade (%s) at [%d]: config block timestamp (%v) < previous timestamp (%v)", key, i, upgradeTimestamp, previousUpgradeTimestamp)
+		if previousUpgradeTimestamp != nil && *upgradeTimestamp < *previousUpgradeTimestamp {
+			return fmt.Errorf("PrecompileUpgrade (%s) at [%d]: config block timestamp (%v) < previous timestamp (%v)", key, i, *upgradeTimestamp, *previousUpgradeTimestamp)
 		}
 
 		if disabled == upgrade.IsDisabled() {
@@ -129,8 +128,8 @@ func (c *ChainConfig) verifyPrecompileUpgrades() error {
 		}
 		// Verify specified timestamps are monotonically increasing across same precompile keys.
 		// Note: It is NOT OK for multiple configs of the SAME key to specify the same timestamp.
-		if lastTimestamp != nil && (upgradeTimestamp.Cmp(lastTimestamp) <= 0) {
-			return fmt.Errorf("PrecompileUpgrade (%s) at [%d]: config block timestamp (%v) <= previous timestamp (%v) of same key", key, i, upgradeTimestamp, lastTimestamp)
+		if lastTimestamp != nil && *upgradeTimestamp <= *lastTimestamp {
+			return fmt.Errorf("PrecompileUpgrade (%s) at [%d]: config block timestamp (%v) <= previous timestamp (%v) of same key", key, i, *upgradeTimestamp, *lastTimestamp)
 		}
 
 		if err := upgrade.Verify(); err != nil {
@@ -139,7 +138,7 @@ func (c *ChainConfig) verifyPrecompileUpgrades() error {
 
 		lastPrecompileUpgrades[key] = lastUpgradeData{
 			disabled:       upgrade.IsDisabled(),
-			blockTimestamp: upgradeTimestamp,
+			blockTimestamp: *upgradeTimestamp,
 		}
 
 		previousUpgradeTimestamp = upgradeTimestamp
@@ -148,30 +147,10 @@ func (c *ChainConfig) verifyPrecompileUpgrades() error {
 	return nil
 }
 
-// verifyStateUpgrades checks [c.StateUpgrades] is well formed:
-// - the specified blockTimestamps must monotonically increase
-func (c *ChainConfig) verifyStateUpgrades() error {
-	var previousUpgradeTimestamp *big.Int
-	for i, upgrade := range c.StateUpgrades {
-		upgradeTimestamp := upgrade.BlockTimestamp
-		// Verify the upgrade's timestamp is greater than 0 (to avoid confusion with genesis).
-		if upgradeTimestamp.Cmp(common.Big0) <= 0 {
-			return fmt.Errorf("StateUpgrade[%d]: config block timestamp (%v) must be greater than 0", i, upgradeTimestamp)
-		}
-
-		// Verify specified timestamps are strictly monotonically increasing.
-		if previousUpgradeTimestamp != nil && upgradeTimestamp.Cmp(previousUpgradeTimestamp) <= 0 {
-			return fmt.Errorf("StateUpgrade[%d]: config block timestamp (%v) <= previous timestamp (%v)", i, upgradeTimestamp, previousUpgradeTimestamp)
-		}
-		previousUpgradeTimestamp = upgradeTimestamp
-	}
-	return nil
-}
-
 // getActivePrecompileConfig returns the most recent precompile config corresponding to [address].
 // If none have occurred, returns nil.
-func (c *ChainConfig) getActivePrecompileConfig(address common.Address, blockTimestamp *big.Int) precompileconfig.Config {
-	configs := c.GetActivatingPrecompileConfigs(address, nil, blockTimestamp, c.PrecompileUpgrades)
+func (c *ChainConfig) getActivePrecompileConfig(address common.Address, timestamp uint64) precompileconfig.Config {
+	configs := c.GetActivatingPrecompileConfigs(address, nil, timestamp, c.PrecompileUpgrades)
 	if len(configs) == 0 {
 		return nil
 	}
@@ -180,7 +159,7 @@ func (c *ChainConfig) getActivePrecompileConfig(address common.Address, blockTim
 
 // GetActivatingPrecompileConfigs returns all precompile upgrades configured to activate during the
 // state transition from a block with timestamp [from] to a block with timestamp [to].
-func (c *ChainConfig) GetActivatingPrecompileConfigs(address common.Address, from *big.Int, to *big.Int, upgrades []PrecompileUpgrade) []precompileconfig.Config {
+func (c *ChainConfig) GetActivatingPrecompileConfigs(address common.Address, from *uint64, to uint64, upgrades []PrecompileUpgrade) []precompileconfig.Config {
 	// Get key from address.
 	module, ok := modules.GetPrecompileModuleByAddress(address)
 	if !ok {
@@ -207,18 +186,6 @@ func (c *ChainConfig) GetActivatingPrecompileConfigs(address common.Address, fro
 	return configs
 }
 
-// GetActivatingStateUpgrades returns all state upgrades configured to activate during the
-// state transition from a block with timestamp [from] to a block with timestamp [to].
-func (c *ChainConfig) GetActivatingStateUpgrades(from *big.Int, to *big.Int, upgrades []StateUpgrade) []StateUpgrade {
-	activating := make([]StateUpgrade, 0)
-	for _, upgrade := range upgrades {
-		if utils.IsForkTransition(upgrade.BlockTimestamp, from, to) {
-			activating = append(activating, upgrade)
-		}
-	}
-	return activating
-}
-
 // CheckPrecompilesCompatible checks if [precompileUpgrades] are compatible with [c] at [headTimestamp].
 // Returns a ConfigCompatError if upgrades already activated at [headTimestamp] are missing from
 // [precompileUpgrades]. Upgrades not already activated may be modified or absent from [precompileUpgrades].
@@ -226,9 +193,9 @@ func (c *ChainConfig) GetActivatingStateUpgrades(from *big.Int, to *big.Int, upg
 // Assumes given timestamp is the last accepted block timestamp.
 // This ensures that as long as the node has not accepted a block with a different rule set it will allow a
 // new upgrade to be applied as long as it activates after the last accepted block.
-func (c *ChainConfig) CheckPrecompilesCompatible(precompileUpgrades []PrecompileUpgrade, lastTimestamp *big.Int) *ConfigCompatError {
+func (c *ChainConfig) CheckPrecompilesCompatible(precompileUpgrades []PrecompileUpgrade, time uint64) *ConfigCompatError {
 	for _, module := range modules.RegisteredModules() {
-		if err := c.checkPrecompileCompatible(module.Address, precompileUpgrades, lastTimestamp); err != nil {
+		if err := c.checkPrecompileCompatible(module.Address, precompileUpgrades, time); err != nil {
 			return err
 		}
 	}
@@ -240,16 +207,16 @@ func (c *ChainConfig) CheckPrecompilesCompatible(precompileUpgrades []Precompile
 // and [precompileUpgrades] at [headTimestamp].
 // Returns an error if upgrades already activated at [headTimestamp] are missing from [precompileUpgrades].
 // Upgrades that have already gone into effect cannot be modified or absent from [precompileUpgrades].
-func (c *ChainConfig) checkPrecompileCompatible(address common.Address, precompileUpgrades []PrecompileUpgrade, lastTimestamp *big.Int) *ConfigCompatError {
+func (c *ChainConfig) checkPrecompileCompatible(address common.Address, precompileUpgrades []PrecompileUpgrade, time uint64) *ConfigCompatError {
 	// All active upgrades (from nil to [lastTimestamp]) must match.
-	activeUpgrades := c.GetActivatingPrecompileConfigs(address, nil, lastTimestamp, c.PrecompileUpgrades)
-	newUpgrades := c.GetActivatingPrecompileConfigs(address, nil, lastTimestamp, precompileUpgrades)
+	activeUpgrades := c.GetActivatingPrecompileConfigs(address, nil, time, c.PrecompileUpgrades)
+	newUpgrades := c.GetActivatingPrecompileConfigs(address, nil, time, precompileUpgrades)
 
 	// Check activated upgrades are still present.
 	for i, upgrade := range activeUpgrades {
 		if len(newUpgrades) <= i {
 			// missing upgrade
-			return newCompatError(
+			return newTimestampCompatError(
 				fmt.Sprintf("missing PrecompileUpgrade[%d]", i),
 				upgrade.Timestamp(),
 				nil,
@@ -257,7 +224,7 @@ func (c *ChainConfig) checkPrecompileCompatible(address common.Address, precompi
 		}
 		// All upgrades that have activated must be identical.
 		if !upgrade.Equal(newUpgrades[i]) {
-			return newCompatError(
+			return newTimestampCompatError(
 				fmt.Sprintf("PrecompileUpgrade[%d]", i),
 				upgrade.Timestamp(),
 				newUpgrades[i].Timestamp(),
@@ -267,7 +234,7 @@ func (c *ChainConfig) checkPrecompileCompatible(address common.Address, precompi
 	// then, make sure newUpgrades does not have additional upgrades
 	// that are already activated. (cannot perform retroactive upgrade)
 	if len(newUpgrades) > len(activeUpgrades) {
-		return newCompatError(
+		return newTimestampCompatError(
 			fmt.Sprintf("cannot retroactively enable PrecompileUpgrade[%d]", len(activeUpgrades)),
 			nil,
 			newUpgrades[len(activeUpgrades)].Timestamp(), // this indexes to the first element in newUpgrades after the end of activeUpgrades
@@ -277,46 +244,8 @@ func (c *ChainConfig) checkPrecompileCompatible(address common.Address, precompi
 	return nil
 }
 
-// CheckStateUpgradesCompatible checks if [stateUpgrades] are compatible with [c] at [headTimestamp].
-func (c *ChainConfig) CheckStateUpgradesCompatible(stateUpgrades []StateUpgrade, lastTimestamp *big.Int) *ConfigCompatError {
-	// All active upgrades (from nil to [lastTimestamp]) must match.
-	activeUpgrades := c.GetActivatingStateUpgrades(nil, lastTimestamp, c.StateUpgrades)
-	newUpgrades := c.GetActivatingStateUpgrades(nil, lastTimestamp, stateUpgrades)
-
-	// Check activated upgrades are still present.
-	for i, upgrade := range activeUpgrades {
-		if len(newUpgrades) <= i {
-			// missing upgrade
-			return newCompatError(
-				fmt.Sprintf("missing StateUpgrade[%d]", i),
-				upgrade.BlockTimestamp,
-				nil,
-			)
-		}
-		// All upgrades that have activated must be identical.
-		if !upgrade.Equal(&newUpgrades[i]) {
-			return newCompatError(
-				fmt.Sprintf("StateUpgrade[%d]", i),
-				upgrade.BlockTimestamp,
-				newUpgrades[i].BlockTimestamp,
-			)
-		}
-	}
-	// then, make sure newUpgrades does not have additional upgrades
-	// that are already activated. (cannot perform retroactive upgrade)
-	if len(newUpgrades) > len(activeUpgrades) {
-		return newCompatError(
-			fmt.Sprintf("cannot retroactively enable StateUpgrade[%d]", len(activeUpgrades)),
-			nil,
-			newUpgrades[len(activeUpgrades)].BlockTimestamp, // this indexes to the first element in newUpgrades after the end of activeUpgrades
-		)
-	}
-
-	return nil
-}
-
 // EnabledStatefulPrecompiles returns current stateful precompile configs that are enabled at [blockTimestamp].
-func (c *ChainConfig) EnabledStatefulPrecompiles(blockTimestamp *big.Int) Precompiles {
+func (c *ChainConfig) EnabledStatefulPrecompiles(blockTimestamp uint64) Precompiles {
 	statefulPrecompileConfigs := make(Precompiles)
 	for _, module := range modules.RegisteredModules() {
 		if config := c.getActivePrecompileConfig(module.Address, blockTimestamp); config != nil && !config.IsDisabled() {
diff --git a/params/precompile_upgrade_test.go b/params/precompile_upgrade_test.go
index 17ef49a3c5..ae4a477eb9 100644
--- a/params/precompile_upgrade_test.go
+++ b/params/precompile_upgrade_test.go
@@ -4,11 +4,11 @@
 package params
 
 import (
-	"math/big"
 	"testing"
 
 	"github.com/ava-labs/subnet-evm/precompile/contracts/deployerallowlist"
 	"github.com/ava-labs/subnet-evm/precompile/contracts/txallowlist"
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/stretchr/testify/require"
 )
@@ -17,7 +17,7 @@ func TestVerifyUpgradeConfig(t *testing.T) {
 	admins := []common.Address{{1}}
 	chainConfig := *TestChainConfig
 	chainConfig.GenesisPrecompiles = Precompiles{
-		txallowlist.ConfigKey: txallowlist.NewConfig(big.NewInt(1), admins, nil),
+		txallowlist.ConfigKey: txallowlist.NewConfig(utils.NewUint64(1), admins, nil),
 	}
 
 	type test struct {
@@ -30,7 +30,7 @@ func TestVerifyUpgradeConfig(t *testing.T) {
 			expectedErrorString: "disable should be [true]",
 			upgrades: []PrecompileUpgrade{
 				{
-					Config: txallowlist.NewConfig(big.NewInt(2), admins, nil),
+					Config: txallowlist.NewConfig(utils.NewUint64(2), admins, nil),
 				},
 			},
 		},
@@ -38,7 +38,7 @@ func TestVerifyUpgradeConfig(t *testing.T) {
 			expectedErrorString: "config block timestamp (0) <= previous timestamp (1) of same key",
 			upgrades: []PrecompileUpgrade{
 				{
-					Config: txallowlist.NewDisableConfig(big.NewInt(0)),
+					Config: txallowlist.NewDisableConfig(utils.NewUint64(0)),
 				},
 			},
 		},
@@ -46,7 +46,7 @@ func TestVerifyUpgradeConfig(t *testing.T) {
 			expectedErrorString: "config block timestamp (1) <= previous timestamp (1) of same key",
 			upgrades: []PrecompileUpgrade{
 				{
-					Config: txallowlist.NewDisableConfig(big.NewInt(1)),
+					Config: txallowlist.NewDisableConfig(utils.NewUint64(1)),
 				},
 			},
 		},
@@ -74,46 +74,46 @@ func TestCheckCompatibleUpgradeConfigs(t *testing.T) {
 	admins := []common.Address{{1}}
 	chainConfig := *TestChainConfig
 	chainConfig.GenesisPrecompiles = Precompiles{
-		txallowlist.ConfigKey:       txallowlist.NewConfig(big.NewInt(1), admins, nil),
-		deployerallowlist.ConfigKey: deployerallowlist.NewConfig(big.NewInt(10), admins, nil),
+		txallowlist.ConfigKey:       txallowlist.NewConfig(utils.NewUint64(1), admins, nil),
+		deployerallowlist.ConfigKey: deployerallowlist.NewConfig(utils.NewUint64(10), admins, nil),
 	}
 
 	tests := map[string]upgradeCompatibilityTest{
 		"disable and re-enable": {
-			startTimestamps: []*big.Int{big.NewInt(5)},
+			startTimestamps: []uint64{5},
 			configs: []*UpgradeConfig{
 				{
 					PrecompileUpgrades: []PrecompileUpgrade{
 						{
-							Config: txallowlist.NewDisableConfig(big.NewInt(6)),
+							Config: txallowlist.NewDisableConfig(utils.NewUint64(6)),
 						},
 						{
-							Config: txallowlist.NewConfig(big.NewInt(7), admins, nil),
+							Config: txallowlist.NewConfig(utils.NewUint64(7), admins, nil),
 						},
 					},
 				},
 			},
 		},
 		"disable and re-enable, reschedule upgrade before it happens": {
-			startTimestamps: []*big.Int{big.NewInt(5), big.NewInt(6)},
+			startTimestamps: []uint64{5, 6},
 			configs: []*UpgradeConfig{
 				{
 					PrecompileUpgrades: []PrecompileUpgrade{
 						{
-							Config: txallowlist.NewDisableConfig(big.NewInt(6)),
+							Config: txallowlist.NewDisableConfig(utils.NewUint64(6)),
 						},
 						{
-							Config: txallowlist.NewConfig(big.NewInt(7), admins, nil),
+							Config: txallowlist.NewConfig(utils.NewUint64(7), admins, nil),
 						},
 					},
 				},
 				{
 					PrecompileUpgrades: []PrecompileUpgrade{
 						{
-							Config: txallowlist.NewDisableConfig(big.NewInt(6)),
+							Config: txallowlist.NewDisableConfig(utils.NewUint64(6)),
 						},
 						{
-							Config: txallowlist.NewConfig(big.NewInt(8), admins, nil),
+							Config: txallowlist.NewConfig(utils.NewUint64(8), admins, nil),
 						},
 					},
 				},
@@ -121,47 +121,47 @@ func TestCheckCompatibleUpgradeConfigs(t *testing.T) {
 		},
 		"disable and re-enable, reschedule upgrade after it happens": {
 			expectedErrorString: "mismatching PrecompileUpgrade",
-			startTimestamps:     []*big.Int{big.NewInt(5), big.NewInt(8)},
+			startTimestamps:     []uint64{5, 8},
 			configs: []*UpgradeConfig{
 				{
 					PrecompileUpgrades: []PrecompileUpgrade{
 						{
-							Config: txallowlist.NewDisableConfig(big.NewInt(6)),
+							Config: txallowlist.NewDisableConfig(utils.NewUint64(6)),
 						},
 						{
-							Config: txallowlist.NewConfig(big.NewInt(7), admins, nil),
+							Config: txallowlist.NewConfig(utils.NewUint64(7), admins, nil),
 						},
 					},
 				},
 				{
 					PrecompileUpgrades: []PrecompileUpgrade{
 						{
-							Config: txallowlist.NewDisableConfig(big.NewInt(6)),
+							Config: txallowlist.NewDisableConfig(utils.NewUint64(6)),
 						},
 						{
-							Config: txallowlist.NewConfig(big.NewInt(8), admins, nil),
+							Config: txallowlist.NewConfig(utils.NewUint64(8), admins, nil),
 						},
 					},
 				},
 			},
 		},
 		"disable and re-enable, cancel upgrade before it happens": {
-			startTimestamps: []*big.Int{big.NewInt(5), big.NewInt(6)},
+			startTimestamps: []uint64{5, 6},
 			configs: []*UpgradeConfig{
 				{
 					PrecompileUpgrades: []PrecompileUpgrade{
 						{
-							Config: txallowlist.NewDisableConfig(big.NewInt(6)),
+							Config: txallowlist.NewDisableConfig(utils.NewUint64(6)),
 						},
 						{
-							Config: txallowlist.NewConfig(big.NewInt(7), admins, nil),
+							Config: txallowlist.NewConfig(utils.NewUint64(7), admins, nil),
 						},
 					},
 				},
 				{
 					PrecompileUpgrades: []PrecompileUpgrade{
 						{
-							Config: txallowlist.NewDisableConfig(big.NewInt(6)),
+							Config: txallowlist.NewDisableConfig(utils.NewUint64(6)),
 						},
 					},
 				},
@@ -169,22 +169,22 @@ func TestCheckCompatibleUpgradeConfigs(t *testing.T) {
 		},
 		"disable and re-enable, cancel upgrade after it happens": {
 			expectedErrorString: "mismatching missing PrecompileUpgrade",
-			startTimestamps:     []*big.Int{big.NewInt(5), big.NewInt(8)},
+			startTimestamps:     []uint64{5, 8},
 			configs: []*UpgradeConfig{
 				{
 					PrecompileUpgrades: []PrecompileUpgrade{
 						{
-							Config: txallowlist.NewDisableConfig(big.NewInt(6)),
+							Config: txallowlist.NewDisableConfig(utils.NewUint64(6)),
 						},
 						{
-							Config: txallowlist.NewConfig(big.NewInt(7), admins, nil),
+							Config: txallowlist.NewConfig(utils.NewUint64(7), admins, nil),
 						},
 					},
 				},
 				{
 					PrecompileUpgrades: []PrecompileUpgrade{
 						{
-							Config: txallowlist.NewDisableConfig(big.NewInt(6)),
+							Config: txallowlist.NewDisableConfig(utils.NewUint64(6)),
 						},
 					},
 				},
@@ -192,51 +192,51 @@ func TestCheckCompatibleUpgradeConfigs(t *testing.T) {
 		},
 		"disable and re-enable, change upgrade config after upgrade not allowed": {
 			expectedErrorString: "mismatching PrecompileUpgrade",
-			startTimestamps:     []*big.Int{big.NewInt(5), big.NewInt(8)},
+			startTimestamps:     []uint64{5, 8},
 			configs: []*UpgradeConfig{
 				{
 					PrecompileUpgrades: []PrecompileUpgrade{
 						{
-							Config: txallowlist.NewDisableConfig(big.NewInt(6)),
+							Config: txallowlist.NewDisableConfig(utils.NewUint64(6)),
 						},
 						{
-							Config: txallowlist.NewConfig(big.NewInt(7), admins, nil),
+							Config: txallowlist.NewConfig(utils.NewUint64(7), admins, nil),
 						},
 					},
 				},
 				{
 					PrecompileUpgrades: []PrecompileUpgrade{
 						{
-							Config: txallowlist.NewDisableConfig(big.NewInt(6)),
+							Config: txallowlist.NewDisableConfig(utils.NewUint64(6)),
 						},
 						{
 							// uses a different (empty) admin list, not allowed
-							Config: txallowlist.NewConfig(big.NewInt(7), []common.Address{}, nil),
+							Config: txallowlist.NewConfig(utils.NewUint64(7), []common.Address{}, nil),
 						},
 					},
 				},
 			},
 		},
 		"disable and re-enable, identical upgrade config should be accepted": {
-			startTimestamps: []*big.Int{big.NewInt(5), big.NewInt(8)},
+			startTimestamps: []uint64{5, 8},
 			configs: []*UpgradeConfig{
 				{
 					PrecompileUpgrades: []PrecompileUpgrade{
 						{
-							Config: txallowlist.NewDisableConfig(big.NewInt(6)),
+							Config: txallowlist.NewDisableConfig(utils.NewUint64(6)),
 						},
 						{
-							Config: txallowlist.NewConfig(big.NewInt(7), admins, nil),
+							Config: txallowlist.NewConfig(utils.NewUint64(7), admins, nil),
 						},
 					},
 				},
 				{
 					PrecompileUpgrades: []PrecompileUpgrade{
 						{
-							Config: txallowlist.NewDisableConfig(big.NewInt(6)),
+							Config: txallowlist.NewDisableConfig(utils.NewUint64(6)),
 						},
 						{
-							Config: txallowlist.NewConfig(big.NewInt(7), admins, nil),
+							Config: txallowlist.NewConfig(utils.NewUint64(7), admins, nil),
 						},
 					},
 				},
@@ -253,7 +253,7 @@ func TestCheckCompatibleUpgradeConfigs(t *testing.T) {
 
 type upgradeCompatibilityTest struct {
 	configs             []*UpgradeConfig
-	startTimestamps     []*big.Int
+	startTimestamps     []uint64
 	expectedErrorString string
 }
 
diff --git a/params/protocol_params.go b/params/protocol_params.go
index f125a2f0c9..deb886be0f 100644
--- a/params/protocol_params.go
+++ b/params/protocol_params.go
@@ -48,6 +48,7 @@ const (
 
 	Keccak256Gas     uint64 = 30 // Once per KECCAK256 operation.
 	Keccak256WordGas uint64 = 6  // Once per word of the KECCAK256 operation's data.
+	InitCodeWordGas  uint64 = 2  // Once per word of the init code when creating a contract.
 
 	SstoreSetGas    uint64 = 20000 // Once per SSTORE operation.
 	SstoreResetGas  uint64 = 5000  // Once per SSTORE operation if the zeroness changes from zero.
@@ -129,7 +130,8 @@ const (
 	// Introduced in Tangerine Whistle (Eip 150)
 	CreateBySelfdestructGas uint64 = 25000
 
-	MaxCodeSize = 24576 // Maximum bytecode to permit for a contract
+	MaxCodeSize     = 24576           // Maximum bytecode to permit for a contract
+	MaxInitCodeSize = 2 * MaxCodeSize // Maximum initcode to permit in a creation transaction and create instructions
 
 	// Precompiled contract gas prices
 
diff --git a/params/state_upgrade.go b/params/state_upgrade.go
index c03ad0d637..3041d656d4 100644
--- a/params/state_upgrade.go
+++ b/params/state_upgrade.go
@@ -4,9 +4,10 @@
 package params
 
 import (
-	"math/big"
+	"fmt"
 	"reflect"
 
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/common/math"
@@ -15,7 +16,7 @@ import (
 // StateUpgrade describes the modifications to be made to the state during
 // a state upgrade.
 type StateUpgrade struct {
-	BlockTimestamp *big.Int `json:"blockTimestamp,omitempty"`
+	BlockTimestamp *uint64 `json:"blockTimestamp,omitempty"`
 
 	// map from account address to the modification to be made to the account.
 	StateUpgradeAccounts map[common.Address]StateUpgradeAccount `json:"accounts"`
@@ -32,3 +33,76 @@ type StateUpgradeAccount struct {
 func (s *StateUpgrade) Equal(other *StateUpgrade) bool {
 	return reflect.DeepEqual(s, other)
 }
+
+// verifyStateUpgrades checks [c.StateUpgrades] is well formed:
+// - the specified blockTimestamps must monotonically increase
+func (c *ChainConfig) verifyStateUpgrades() error {
+	var previousUpgradeTimestamp *uint64
+	for i, upgrade := range c.StateUpgrades {
+		upgradeTimestamp := upgrade.BlockTimestamp
+		if upgradeTimestamp == nil {
+			return fmt.Errorf("StateUpgrade[%d]: config block timestamp cannot be nil ", i)
+		}
+		// Verify the upgrade's timestamp is equal 0 (to avoid confusion with genesis).
+		if *upgradeTimestamp == 0 {
+			return fmt.Errorf("StateUpgrade[%d]: config block timestamp (%v) must be greater than 0", i, *upgradeTimestamp)
+		}
+
+		// Verify specified timestamps are strictly monotonically increasing.
+		if previousUpgradeTimestamp != nil && *upgradeTimestamp <= *previousUpgradeTimestamp {
+			return fmt.Errorf("StateUpgrade[%d]: config block timestamp (%v) <= previous timestamp (%v)", i, *upgradeTimestamp, *previousUpgradeTimestamp)
+		}
+		previousUpgradeTimestamp = upgradeTimestamp
+	}
+	return nil
+}
+
+// GetActivatingStateUpgrades returns all state upgrades configured to activate during the
+// state transition from a block with timestamp [from] to a block with timestamp [to].
+func (c *ChainConfig) GetActivatingStateUpgrades(from *uint64, to uint64, upgrades []StateUpgrade) []StateUpgrade {
+	activating := make([]StateUpgrade, 0)
+	for _, upgrade := range upgrades {
+		if utils.IsForkTransition(upgrade.BlockTimestamp, from, to) {
+			activating = append(activating, upgrade)
+		}
+	}
+	return activating
+}
+
+// CheckStateUpgradesCompatible checks if [stateUpgrades] are compatible with [c] at [headTimestamp].
+func (c *ChainConfig) CheckStateUpgradesCompatible(stateUpgrades []StateUpgrade, lastTimestamp uint64) *ConfigCompatError {
+	// All active upgrades (from nil to [lastTimestamp]) must match.
+	activeUpgrades := c.GetActivatingStateUpgrades(nil, lastTimestamp, c.StateUpgrades)
+	newUpgrades := c.GetActivatingStateUpgrades(nil, lastTimestamp, stateUpgrades)
+
+	// Check activated upgrades are still present.
+	for i, upgrade := range activeUpgrades {
+		if len(newUpgrades) <= i {
+			// missing upgrade
+			return newTimestampCompatError(
+				fmt.Sprintf("missing StateUpgrade[%d]", i),
+				upgrade.BlockTimestamp,
+				nil,
+			)
+		}
+		// All upgrades that have activated must be identical.
+		if !upgrade.Equal(&newUpgrades[i]) {
+			return newTimestampCompatError(
+				fmt.Sprintf("StateUpgrade[%d]", i),
+				upgrade.BlockTimestamp,
+				newUpgrades[i].BlockTimestamp,
+			)
+		}
+	}
+	// then, make sure newUpgrades does not have additional upgrades
+	// that are already activated. (cannot perform retroactive upgrade)
+	if len(newUpgrades) > len(activeUpgrades) {
+		return newTimestampCompatError(
+			fmt.Sprintf("cannot retroactively enable StateUpgrade[%d]", len(activeUpgrades)),
+			nil,
+			newUpgrades[len(activeUpgrades)].BlockTimestamp, // this indexes to the first element in newUpgrades after the end of activeUpgrades
+		)
+	}
+
+	return nil
+}
diff --git a/params/stateupgrade_config_test.go b/params/state_upgrade_test.go
similarity index 67%
rename from params/stateupgrade_config_test.go
rename to params/state_upgrade_test.go
index 4a7a85fe81..cb5e3a14a6 100644
--- a/params/stateupgrade_config_test.go
+++ b/params/state_upgrade_test.go
@@ -8,6 +8,7 @@ import (
 	"math/big"
 	"testing"
 
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/math"
 	"github.com/stretchr/testify/require"
@@ -27,30 +28,30 @@ func TestVerifyStateUpgrades(t *testing.T) {
 		{
 			name: "valid upgrade",
 			upgrades: []StateUpgrade{
-				{BlockTimestamp: common.Big1, StateUpgradeAccounts: modifiedAccounts},
-				{BlockTimestamp: common.Big2, StateUpgradeAccounts: modifiedAccounts},
+				{BlockTimestamp: utils.NewUint64(1), StateUpgradeAccounts: modifiedAccounts},
+				{BlockTimestamp: utils.NewUint64(2), StateUpgradeAccounts: modifiedAccounts},
 			},
 		},
 		{
 			name: "upgrade block timestamp is not strictly increasing",
 			upgrades: []StateUpgrade{
-				{BlockTimestamp: common.Big1, StateUpgradeAccounts: modifiedAccounts},
-				{BlockTimestamp: common.Big1, StateUpgradeAccounts: modifiedAccounts},
+				{BlockTimestamp: utils.NewUint64(1), StateUpgradeAccounts: modifiedAccounts},
+				{BlockTimestamp: utils.NewUint64(1), StateUpgradeAccounts: modifiedAccounts},
 			},
 			expectedError: "config block timestamp (1) <= previous timestamp (1)",
 		},
 		{
 			name: "upgrade block timestamp decreases",
 			upgrades: []StateUpgrade{
-				{BlockTimestamp: common.Big2, StateUpgradeAccounts: modifiedAccounts},
-				{BlockTimestamp: common.Big1, StateUpgradeAccounts: modifiedAccounts},
+				{BlockTimestamp: utils.NewUint64(2), StateUpgradeAccounts: modifiedAccounts},
+				{BlockTimestamp: utils.NewUint64(1), StateUpgradeAccounts: modifiedAccounts},
 			},
 			expectedError: "config block timestamp (1) <= previous timestamp (2)",
 		},
 		{
 			name: "upgrade block timestamp is zero",
 			upgrades: []StateUpgrade{
-				{BlockTimestamp: common.Big0, StateUpgradeAccounts: modifiedAccounts},
+				{BlockTimestamp: utils.NewUint64(0), StateUpgradeAccounts: modifiedAccounts},
 			},
 			expectedError: "config block timestamp (0) must be greater than 0",
 		},
@@ -58,7 +59,7 @@ func TestVerifyStateUpgrades(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			require := require.New(t)
-			baseConfig := *SubnetEVMDefaultChainConfig
+			baseConfig := *TestChainConfig
 			config := &baseConfig
 			config.StateUpgrades = tt.upgrades
 
@@ -72,7 +73,7 @@ func TestVerifyStateUpgrades(t *testing.T) {
 	}
 }
 
-func TestCheckCompatibleStateUpgradeConfigs(t *testing.T) {
+func TestCheckCompatibleStateUpgrades(t *testing.T) {
 	chainConfig := *TestChainConfig
 	stateUpgrade := map[common.Address]StateUpgradeAccount{
 		{1}: {BalanceChange: (*math.HexOrDecimal256)(common.Big1)},
@@ -83,61 +84,61 @@ func TestCheckCompatibleStateUpgradeConfigs(t *testing.T) {
 
 	tests := map[string]upgradeCompatibilityTest{
 		"reschedule upgrade before it happens": {
-			startTimestamps: []*big.Int{big.NewInt(5), big.NewInt(6)},
+			startTimestamps: []uint64{5, 6},
 			configs: []*UpgradeConfig{
 				{
 					StateUpgrades: []StateUpgrade{
-						{BlockTimestamp: big.NewInt(6), StateUpgradeAccounts: stateUpgrade},
+						{BlockTimestamp: utils.NewUint64(6), StateUpgradeAccounts: stateUpgrade},
 					},
 				},
 				{
 					StateUpgrades: []StateUpgrade{
-						{BlockTimestamp: big.NewInt(6), StateUpgradeAccounts: stateUpgrade},
+						{BlockTimestamp: utils.NewUint64(6), StateUpgradeAccounts: stateUpgrade},
 					},
 				},
 			},
 		},
 		"modify upgrade after it happens not allowed": {
 			expectedErrorString: "mismatching StateUpgrade",
-			startTimestamps:     []*big.Int{big.NewInt(5), big.NewInt(8)},
+			startTimestamps:     []uint64{5, 8},
 			configs: []*UpgradeConfig{
 				{
 					StateUpgrades: []StateUpgrade{
-						{BlockTimestamp: big.NewInt(6), StateUpgradeAccounts: stateUpgrade},
-						{BlockTimestamp: big.NewInt(7), StateUpgradeAccounts: stateUpgrade},
+						{BlockTimestamp: utils.NewUint64(6), StateUpgradeAccounts: stateUpgrade},
+						{BlockTimestamp: utils.NewUint64(7), StateUpgradeAccounts: stateUpgrade},
 					},
 				},
 				{
 					StateUpgrades: []StateUpgrade{
-						{BlockTimestamp: big.NewInt(6), StateUpgradeAccounts: stateUpgrade},
-						{BlockTimestamp: big.NewInt(7), StateUpgradeAccounts: differentStateUpgrade},
+						{BlockTimestamp: utils.NewUint64(6), StateUpgradeAccounts: stateUpgrade},
+						{BlockTimestamp: utils.NewUint64(7), StateUpgradeAccounts: differentStateUpgrade},
 					},
 				},
 			},
 		},
 		"cancel upgrade before it happens": {
-			startTimestamps: []*big.Int{big.NewInt(5), big.NewInt(6)},
+			startTimestamps: []uint64{5, 6},
 			configs: []*UpgradeConfig{
 				{
 					StateUpgrades: []StateUpgrade{
-						{BlockTimestamp: big.NewInt(6), StateUpgradeAccounts: stateUpgrade},
-						{BlockTimestamp: big.NewInt(7), StateUpgradeAccounts: stateUpgrade},
+						{BlockTimestamp: utils.NewUint64(6), StateUpgradeAccounts: stateUpgrade},
+						{BlockTimestamp: utils.NewUint64(7), StateUpgradeAccounts: stateUpgrade},
 					},
 				},
 				{
 					StateUpgrades: []StateUpgrade{
-						{BlockTimestamp: big.NewInt(6), StateUpgradeAccounts: stateUpgrade},
+						{BlockTimestamp: utils.NewUint64(6), StateUpgradeAccounts: stateUpgrade},
 					},
 				},
 			},
 		},
 		"retroactively enabling upgrades is not allowed": {
 			expectedErrorString: "cannot retroactively enable StateUpgrade",
-			startTimestamps:     []*big.Int{big.NewInt(6)},
+			startTimestamps:     []uint64{6},
 			configs: []*UpgradeConfig{
 				{
 					StateUpgrades: []StateUpgrade{
-						{BlockTimestamp: big.NewInt(5), StateUpgradeAccounts: stateUpgrade},
+						{BlockTimestamp: utils.NewUint64(5), StateUpgradeAccounts: stateUpgrade},
 					},
 				},
 			},
@@ -170,7 +171,7 @@ func TestUnmarshalStateUpgradeJSON(t *testing.T) {
 	upgradeConfig := UpgradeConfig{
 		StateUpgrades: []StateUpgrade{
 			{
-				BlockTimestamp: big.NewInt(1677608400),
+				BlockTimestamp: utils.NewUint64(1677608400),
 				StateUpgradeAccounts: map[common.Address]StateUpgradeAccount{
 					common.HexToAddress("0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC"): {
 						BalanceChange: (*math.HexOrDecimal256)(big.NewInt(100)),
diff --git a/params/version.go b/params/version.go
index 73a5bdbfd9..b6dcb6d97e 100644
--- a/params/version.go
+++ b/params/version.go
@@ -32,8 +32,8 @@ import (
 
 const (
 	VersionMajor = 1        // Major version component of the current release
-	VersionMinor = 10       // Minor version component of the current release
-	VersionPatch = 26       // Patch version component of the current release
+	VersionMinor = 11       // Minor version component of the current release
+	VersionPatch = 4        // Patch version component of the current release
 	VersionMeta  = "stable" // Version metadata to append to the version string
 )
 
diff --git a/peer/network_test.go b/peer/network_test.go
index 19de9f1896..0e2125c758 100644
--- a/peer/network_test.go
+++ b/peer/network_test.go
@@ -14,17 +14,16 @@ import (
 
 	"github.com/ava-labs/avalanchego/snow/engine/common"
 	"github.com/ava-labs/avalanchego/utils/set"
+	ethcommon "github.com/ethereum/go-ethereum/common"
 
 	"github.com/ava-labs/subnet-evm/plugin/evm/message"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 
 	"github.com/ava-labs/avalanchego/codec"
 	"github.com/ava-labs/avalanchego/codec/linearcodec"
 	"github.com/ava-labs/avalanchego/ids"
 	"github.com/ava-labs/avalanchego/version"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-
-	ethcommon "github.com/ethereum/go-ethereum/common"
 )
 
 var (
diff --git a/plugin/evm/block.go b/plugin/evm/block.go
index a510817e25..a97ad12cff 100644
--- a/plugin/evm/block.go
+++ b/plugin/evm/block.go
@@ -6,7 +6,6 @@ package evm
 import (
 	"context"
 	"fmt"
-	"math/big"
 	"time"
 
 	"github.com/ethereum/go-ethereum/log"
@@ -15,6 +14,7 @@ import (
 	"github.com/ava-labs/subnet-evm/core"
 	"github.com/ava-labs/subnet-evm/core/rawdb"
 	"github.com/ava-labs/subnet-evm/core/types"
+	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
 
 	"github.com/ava-labs/avalanchego/ids"
@@ -64,8 +64,9 @@ func (b *Block) Accept(context.Context) error {
 
 	// Call Accept for relevant precompile logs. This should apply DB operations to the VM's versionDB
 	// to be committed atomically with marking this block as accepted.
+	rules := b.vm.chainConfig.AvalancheRules(b.ethBlock.Number(), b.ethBlock.Timestamp())
 	sharedMemoryWriter := NewSharedMemoryWriter()
-	if err := b.handlePrecompileAccept(sharedMemoryWriter); err != nil {
+	if err := b.handlePrecompileAccept(&rules, sharedMemoryWriter); err != nil {
 		return err
 	}
 	if err := vm.acceptedBlockDB.Put(lastAcceptedKey, b.id[:]); err != nil {
@@ -89,8 +90,7 @@ func (b *Block) Accept(context.Context) error {
 // contract.Accepter
 // This function assumes that the Accept function will ONLY operate on state maintained in the VM's versiondb.
 // This ensures that any DB operations are performed atomically with marking the block as accepted.
-func (b *Block) handlePrecompileAccept(sharedMemoryWriter *sharedMemoryWriter) error {
-	rules := b.vm.chainConfig.AvalancheRules(b.ethBlock.Number(), b.ethBlock.Timestamp())
+func (b *Block) handlePrecompileAccept(rules *params.Rules, sharedMemoryWriter *sharedMemoryWriter) error {
 	// Short circuit early if there are no precompile accepters to execute
 	if len(rules.AccepterPrecompiles) == 0 {
 		return nil
@@ -103,20 +103,18 @@ func (b *Block) handlePrecompileAccept(sharedMemoryWriter *sharedMemoryWriter) e
 	if len(receipts) == 0 && b.ethBlock.ReceiptHash() != types.EmptyRootHash {
 		return fmt.Errorf("failed to fetch receipts for accepted block with non-empty root hash (%s) (Block: %s, Height: %d)", b.ethBlock.ReceiptHash(), b.ethBlock.Hash(), b.ethBlock.NumberU64())
 	}
-
-	for txIndex, receipt := range receipts {
-		for _, log := range receipt.Logs {
+	acceptCtx := &precompileconfig.AcceptContext{
+		SnowCtx:      b.vm.ctx,
+		SharedMemory: sharedMemoryWriter,
+		Warp:         b.vm.warpBackend,
+	}
+	for _, receipt := range receipts {
+		for logIdx, log := range receipt.Logs {
 			accepter, ok := rules.AccepterPrecompiles[log.Address]
 			if !ok {
 				continue
 			}
-
-			acceptCtx := &precompileconfig.AcceptContext{
-				SnowCtx:      b.vm.ctx,
-				SharedMemory: sharedMemoryWriter,
-				Warp:         b.vm.warpBackend,
-			}
-			if err := accepter.Accept(acceptCtx, log.TxHash, txIndex, log.Topics, log.Data); err != nil {
+			if err := accepter.Accept(acceptCtx, log.TxHash, logIdx, log.Topics, log.Data); err != nil {
 				return err
 			}
 		}
@@ -163,7 +161,7 @@ func (b *Block) syntacticVerify() error {
 	}
 
 	header := b.ethBlock.Header()
-	rules := b.vm.chainConfig.AvalancheRules(header.Number, new(big.Int).SetUint64(header.Time))
+	rules := b.vm.chainConfig.AvalancheRules(header.Number, header.Time)
 	return b.vm.syntacticBlockValidator.SyntacticVerify(b, rules)
 }
 
diff --git a/plugin/evm/block_builder.go b/plugin/evm/block_builder.go
index 812ad9d2d3..97945b602e 100644
--- a/plugin/evm/block_builder.go
+++ b/plugin/evm/block_builder.go
@@ -9,6 +9,7 @@ import (
 
 	"github.com/ava-labs/avalanchego/utils/timer"
 	"github.com/ava-labs/subnet-evm/core"
+	"github.com/ava-labs/subnet-evm/core/txpool"
 	"github.com/ava-labs/subnet-evm/params"
 
 	"github.com/ava-labs/avalanchego/snow"
@@ -17,29 +18,19 @@ import (
 )
 
 const (
-	// waitBlockTime is the amount of time to wait for BuildBlock to be
-	// called by the engine before deciding whether or not to gossip the
-	// transaction that triggered the PendingTxs message to the engine.
-	//
-	// This is done to reduce contention in the network when there is no
-	// preferred producer. If we did not wait here, we may gossip a new
-	// transaction to a peer while building a block that will conflict with
-	// whatever the peer makes.
-	waitBlockTime = 100 * time.Millisecond
-
 	// Minimum amount of time to wait after building a block before attempting to build a block
 	// a second time without changing the contents of the mempool.
 	minBlockBuildingRetryDelay = 50 * time.Millisecond
 
 	// ticker frequency for calling signalTxsReady
-	buildTickerDuration = 5 * time.Second
+	buildTickerDuration = 1 * time.Second
 )
 
 type blockBuilder struct {
 	ctx         *snow.Context
 	chainConfig *params.ChainConfig
 
-	txPool   *core.TxPool
+	txPool   *txpool.TxPool
 	gossiper Gossiper
 
 	shutdownChan <-chan struct{}
@@ -176,9 +167,6 @@ func (b *blockBuilder) awaitSubmittedTxs() {
 				b.signalTxsReady()
 
 				if b.gossiper != nil && len(ethTxsEvent.Txs) > 0 {
-					// Give time for this node to build a block before attempting to
-					// gossip
-					time.Sleep(waitBlockTime)
 					// [GossipTxs] will block unless [gossiper.txsToGossipChan] (an
 					// unbuffered channel) is listened on
 					if err := b.gossiper.GossipTxs(ethTxsEvent.Txs); err != nil {
diff --git a/plugin/evm/block_builder_test.go b/plugin/evm/block_builder_test.go
index 401ba262f3..1515d9f3a3 100644
--- a/plugin/evm/block_builder_test.go
+++ b/plugin/evm/block_builder_test.go
@@ -4,12 +4,12 @@
 package evm
 
 import (
-	"math/big"
 	"sync"
 	"testing"
 	"time"
 
 	"github.com/ava-labs/subnet-evm/params"
+	"github.com/ava-labs/subnet-evm/utils"
 
 	"github.com/ava-labs/avalanchego/snow"
 )
@@ -36,7 +36,8 @@ func TestBlockBuilderShutsDown(t *testing.T) {
 	shutdownChan := make(chan struct{})
 	wg := &sync.WaitGroup{}
 	config := *params.TestChainConfig
-	config.SubnetEVMTimestamp = big.NewInt(time.Now().Add(time.Hour).Unix())
+
+	config.SubnetEVMTimestamp = utils.TimeToNewUint64(time.Now().Add(time.Hour))
 
 	builder := &blockBuilder{
 		ctx:          snow.DefaultContextTest(),
diff --git a/plugin/evm/block_test.go b/plugin/evm/block_test.go
new file mode 100644
index 0000000000..9af725aedb
--- /dev/null
+++ b/plugin/evm/block_test.go
@@ -0,0 +1,94 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package evm
+
+import (
+	"math/big"
+	"testing"
+
+	"github.com/ava-labs/avalanchego/database/memdb"
+	"github.com/ava-labs/subnet-evm/core/rawdb"
+	"github.com/ava-labs/subnet-evm/core/types"
+	"github.com/ava-labs/subnet-evm/params"
+	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
+	"github.com/ava-labs/subnet-evm/trie"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/golang/mock/gomock"
+	"github.com/stretchr/testify/require"
+)
+
+func TestHandlePrecompileAccept(t *testing.T) {
+	require := require.New(t)
+	ctrl := gomock.NewController(t)
+	defer ctrl.Finish()
+
+	db := memdb.New()
+	vm := &VM{
+		chaindb:     Database{db},
+		chainConfig: params.TestChainConfig,
+	}
+
+	precompileAddr := common.Address{0x05}
+	otherAddr := common.Address{0x06}
+
+	// Prepare a receipt with 3 logs, two of which are from the precompile
+	receipt := &types.Receipt{
+		Logs: []*types.Log{
+			{
+				Address: precompileAddr,
+				Topics:  []common.Hash{{0x01}, {0x02}, {0x03}},
+				Data:    []byte("log1"),
+			},
+			{
+				Address: otherAddr,
+				Topics:  []common.Hash{{0x01}, {0x02}, {0x04}},
+				Data:    []byte("log2"),
+			},
+			{
+				Address: precompileAddr,
+				Topics:  []common.Hash{{0x01}, {0x02}, {0x05}},
+				Data:    []byte("log3"),
+			},
+		},
+	}
+	ethBlock := types.NewBlock(
+		&types.Header{Number: big.NewInt(1)},
+		[]*types.Transaction{types.NewTx(&types.LegacyTx{})},
+		nil,
+		[]*types.Receipt{receipt},
+		trie.NewStackTrie(nil),
+	)
+	// Write the block to the db
+	rawdb.WriteBlock(db, ethBlock)
+	rawdb.WriteReceipts(db, ethBlock.Hash(), ethBlock.NumberU64(), []*types.Receipt{receipt})
+
+	// Set up the mock with the expected calls to Accept
+	txIndex := 0
+	mockAccepter := precompileconfig.NewMockAccepter(ctrl)
+	gomock.InOrder(
+		mockAccepter.EXPECT().Accept(
+			gomock.Not(gomock.Nil()),                // acceptCtx
+			ethBlock.Transactions()[txIndex].Hash(), // txHash
+			0,                                       // logIndex
+			receipt.Logs[0].Topics,                  // topics
+			receipt.Logs[0].Data,                    // logData
+		),
+		mockAccepter.EXPECT().Accept(
+			gomock.Not(gomock.Nil()),                // acceptCtx
+			ethBlock.Transactions()[txIndex].Hash(), // txHash
+			2,                                       // logIndex
+			receipt.Logs[2].Topics,                  // topics
+			receipt.Logs[2].Data,                    // logData
+		),
+	)
+
+	// Call handlePrecompileAccept
+	blk := vm.newBlock(ethBlock)
+	rules := &params.Rules{
+		AccepterPrecompiles: map[common.Address]precompileconfig.Accepter{
+			precompileAddr: mockAccepter,
+		},
+	}
+	require.NoError(blk.handlePrecompileAccept(rules, nil))
+}
diff --git a/plugin/evm/config.go b/plugin/evm/config.go
index ff7c42c470..f0e593ae8c 100644
--- a/plugin/evm/config.go
+++ b/plugin/evm/config.go
@@ -8,7 +8,7 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/ava-labs/subnet-evm/core"
+	"github.com/ava-labs/subnet-evm/core/txpool"
 	"github.com/ava-labs/subnet-evm/eth"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/spf13/cast"
@@ -17,13 +17,14 @@ import (
 const (
 	defaultAcceptorQueueLimit                         = 64 // Provides 2 minutes of buffer (2s block target) for a commit delay
 	defaultPruningEnabled                             = true
+	defaultPruneWarpDB                                = false
 	defaultCommitInterval                             = 4096
 	defaultTrieCleanCache                             = 512
-	defaultTrieDirtyCache                             = 256
+	defaultTrieDirtyCache                             = 512
 	defaultTrieDirtyCommitTarget                      = 20
 	defaultSnapshotCache                              = 256
 	defaultSyncableCommitInterval                     = defaultCommitInterval * 4
-	defaultSnapshotAsync                              = true
+	defaultSnapshotWait                               = false
 	defaultRpcGasCap                                  = 50_000_000 // Default to 50M Gas Limit
 	defaultRpcTxFeeCap                                = 100        // 100 AVAX
 	defaultMetricsExpensiveEnabled                    = true
@@ -56,7 +57,7 @@ const (
 	// - normal bootstrap processing time: ~14 blocks / second
 	// - state sync time: ~6 hrs.
 	defaultStateSyncMinBlocks   = 300_000
-	defaultStateSyncRequestSize = 256 // the number of key/values to ask peers for per request
+	defaultStateSyncRequestSize = 1024 // the number of key/values to ask peers for per request
 )
 
 var (
@@ -113,7 +114,7 @@ type Config struct {
 
 	// Eth Settings
 	Preimages      bool `json:"preimages-enabled"`
-	SnapshotAsync  bool `json:"snapshot-async"`
+	SnapshotWait   bool `json:"snapshot-wait"`
 	SnapshotVerify bool `json:"snapshot-verification-enabled"`
 
 	// Pruning Settings
@@ -123,6 +124,7 @@ type Config struct {
 	AllowMissingTries               bool    `json:"allow-missing-tries"`                // If enabled, warnings preventing an incomplete trie index are suppressed
 	PopulateMissingTries            *uint64 `json:"populate-missing-tries,omitempty"`   // Sets the starting point for re-populating missing tries. Disables re-generation if nil.
 	PopulateMissingTriesParallelism int     `json:"populate-missing-tries-parallelism"` // Number of concurrent readers to use when re-populating missing tries on startup.
+	PruneWarpDB                     bool    `json:"prune-warp-db-enabled"`              // Determines if the warpDB should be cleared on startup
 
 	// Metric Settings
 	MetricsExpensiveEnabled bool `json:"metrics-expensive-enabled"` // Debug-level metrics that might impact runtime performance
@@ -178,9 +180,6 @@ type Config struct {
 	MaxOutboundActiveRequests           int64 `json:"max-outbound-active-requests"`
 	MaxOutboundActiveCrossChainRequests int64 `json:"max-outbound-active-cross-chain-requests"`
 
-	// Database Settings
-	InspectDatabase bool `json:"inspect-database"` // Inspects the database on startup if enabled.
-
 	// Sync settings
 	StateSyncEnabled         bool   `json:"state-sync-enabled"`
 	StateSyncSkipResume      bool   `json:"state-sync-skip-resume"` // Forces state sync to use the highest available summary block
@@ -190,15 +189,15 @@ type Config struct {
 	StateSyncMinBlocks       uint64 `json:"state-sync-min-blocks"`
 	StateSyncRequestSize     uint16 `json:"state-sync-request-size"`
 
+	// Database Settings
+	InspectDatabase bool `json:"inspect-database"` // Inspects the database on startup if enabled.
+
 	// SkipUpgradeCheck disables checking that upgrades must take place before the last
 	// accepted block. Skipping this check is useful when a node operator does not update
 	// their node before the network upgrade and their node accepts blocks that have
 	// identical state with the pre-upgrade ruleset.
 	SkipUpgradeCheck bool `json:"skip-upgrade-check"`
 
-	// SkipSubnetEVMUpgradeCheck disables checking that SubnetEVM Upgrade is enabled at genesis
-	SkipSubnetEVMUpgradeCheck bool `json:"skip-subnet-evm-upgrade-check"`
-
 	// AcceptedCacheSize is the depth to keep in the accepted headers cache and the
 	// accepted logs cache at the accepted tip.
 	//
@@ -231,14 +230,14 @@ func (c *Config) SetDefaults() {
 	c.RPCTxFeeCap = defaultRpcTxFeeCap
 	c.MetricsExpensiveEnabled = defaultMetricsExpensiveEnabled
 
-	c.TxPoolJournal = core.DefaultTxPoolConfig.Journal
-	c.TxPoolRejournal = Duration{core.DefaultTxPoolConfig.Rejournal}
-	c.TxPoolPriceLimit = core.DefaultTxPoolConfig.PriceLimit
-	c.TxPoolPriceBump = core.DefaultTxPoolConfig.PriceBump
-	c.TxPoolAccountSlots = core.DefaultTxPoolConfig.AccountSlots
-	c.TxPoolGlobalSlots = core.DefaultTxPoolConfig.GlobalSlots
-	c.TxPoolAccountQueue = core.DefaultTxPoolConfig.AccountQueue
-	c.TxPoolGlobalQueue = core.DefaultTxPoolConfig.GlobalQueue
+	c.TxPoolJournal = txpool.DefaultConfig.Journal
+	c.TxPoolRejournal = Duration{txpool.DefaultConfig.Rejournal}
+	c.TxPoolPriceLimit = txpool.DefaultConfig.PriceLimit
+	c.TxPoolPriceBump = txpool.DefaultConfig.PriceBump
+	c.TxPoolAccountSlots = txpool.DefaultConfig.AccountSlots
+	c.TxPoolGlobalSlots = txpool.DefaultConfig.GlobalSlots
+	c.TxPoolAccountQueue = txpool.DefaultConfig.AccountQueue
+	c.TxPoolGlobalQueue = txpool.DefaultConfig.GlobalQueue
 
 	c.APIMaxDuration.Duration = defaultApiMaxDuration
 	c.WSCPURefillRate.Duration = defaultWsCpuRefillRate
@@ -253,7 +252,7 @@ func (c *Config) SetDefaults() {
 	c.SnapshotCache = defaultSnapshotCache
 	c.AcceptorQueueLimit = defaultAcceptorQueueLimit
 	c.CommitInterval = defaultCommitInterval
-	c.SnapshotAsync = defaultSnapshotAsync
+	c.SnapshotWait = defaultSnapshotWait
 	c.RegossipFrequency.Duration = defaultRegossipFrequency
 	c.RegossipMaxTxs = defaultRegossipMaxTxs
 	c.RegossipTxsPerAddress = defaultRegossipTxsPerAddress
@@ -306,10 +305,10 @@ func (c *Config) Validate() error {
 	if !c.Pruning && c.OfflinePruning {
 		return fmt.Errorf("cannot run offline pruning while pruning is disabled")
 	}
-
 	// If pruning is enabled, the commit interval must be non-zero so the node commits state tries every CommitInterval blocks.
 	if c.Pruning && c.CommitInterval == 0 {
 		return fmt.Errorf("cannot use commit interval of 0 with pruning enabled")
 	}
+
 	return nil
 }
diff --git a/plugin/evm/factory.go b/plugin/evm/factory.go
index 0b31ceca41..1b307df562 100644
--- a/plugin/evm/factory.go
+++ b/plugin/evm/factory.go
@@ -11,13 +11,14 @@ import (
 
 var (
 	// ID this VM should be referenced by
-	ID = ids.ID{'s', 'u', 'b', 'n', 'e', 't', 'e', 'v', 'm'}
+	IDStr = "subnetevm"
+	ID    = ids.ID{'s', 'u', 'b', 'n', 'e', 't', 'e', 'v', 'm'}
 
 	_ vms.Factory = &Factory{}
 )
 
 type Factory struct{}
 
-func (f *Factory) New(logging.Logger) (interface{}, error) {
+func (*Factory) New(logging.Logger) (interface{}, error) {
 	return &VM{}, nil
 }
diff --git a/plugin/evm/gossiper.go b/plugin/evm/gossiper.go
index 19078caf9d..8f179d0ce5 100644
--- a/plugin/evm/gossiper.go
+++ b/plugin/evm/gossiper.go
@@ -22,6 +22,7 @@ import (
 
 	"github.com/ava-labs/subnet-evm/core"
 	"github.com/ava-labs/subnet-evm/core/state"
+	"github.com/ava-labs/subnet-evm/core/txpool"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/plugin/evm/message"
 )
@@ -34,6 +35,10 @@ const (
 	// [txsGossipInterval] is how often we attempt to gossip newly seen
 	// transactions to other nodes.
 	txsGossipInterval = 500 * time.Millisecond
+
+	// [minGossipBatchInterval] is the minimum amount of time that must pass
+	// before our last gossip to peers.
+	minGossipBatchInterval = 50 * time.Millisecond
 )
 
 // Gossiper handles outgoing gossip of transactions
@@ -44,13 +49,12 @@ type Gossiper interface {
 
 // pushGossiper is used to gossip transactions to the network
 type pushGossiper struct {
-	ctx                  *snow.Context
-	gossipActivationTime time.Time
-	config               Config
+	ctx    *snow.Context
+	config Config
 
 	client     peer.NetworkClient
 	blockchain *core.BlockChain
-	txPool     *core.TxPool
+	txPool     *txpool.TxPool
 
 	// We attempt to batch transactions we need to gossip to avoid runaway
 	// amplification of mempol chatter.
@@ -72,24 +76,20 @@ type pushGossiper struct {
 // createGossiper constructs and returns a pushGossiper or noopGossiper
 // based on whether vm.chainConfig.SubnetEVMTimestamp is set
 func (vm *VM) createGossiper(stats GossipStats) Gossiper {
-	if vm.chainConfig.SubnetEVMTimestamp == nil {
-		return &noopGossiper{}
-	}
 	net := &pushGossiper{
-		ctx:                  vm.ctx,
-		gossipActivationTime: time.Unix(vm.chainConfig.SubnetEVMTimestamp.Int64(), 0),
-		config:               vm.config,
-		client:               vm.client,
-		blockchain:           vm.blockChain,
-		txPool:               vm.txPool,
-		txsToGossipChan:      make(chan []*types.Transaction),
-		txsToGossip:          make(map[common.Hash]*types.Transaction),
-		shutdownChan:         vm.shutdownChan,
-		shutdownWg:           &vm.shutdownWg,
-		recentTxs:            &cache.LRU[common.Hash, interface{}]{Size: recentCacheSize},
-		codec:                vm.networkCodec,
-		signer:               types.LatestSigner(vm.blockChain.Config()),
-		stats:                stats,
+		ctx:             vm.ctx,
+		config:          vm.config,
+		client:          vm.client,
+		blockchain:      vm.blockChain,
+		txPool:          vm.txPool,
+		txsToGossipChan: make(chan []*types.Transaction),
+		txsToGossip:     make(map[common.Hash]*types.Transaction),
+		shutdownChan:    vm.shutdownChan,
+		shutdownWg:      &vm.shutdownWg,
+		recentTxs:       &cache.LRU[common.Hash, interface{}]{Size: recentCacheSize},
+		codec:           vm.networkCodec,
+		signer:          types.LatestSigner(vm.blockChain.Config()),
+		stats:           stats,
 	}
 	net.awaitEthTxGossip()
 	return net
@@ -177,7 +177,7 @@ func (n *pushGossiper) queueRegossipTxs() types.Transactions {
 
 	// Add best transactions to be gossiped (preferring local txs)
 	tip := n.blockchain.CurrentBlock()
-	state, err := n.blockchain.StateAt(tip.Root())
+	state, err := n.blockchain.StateAt(tip.Root)
 	if err != nil || state == nil {
 		log.Debug(
 			"could not get state at tip",
@@ -189,14 +189,14 @@ func (n *pushGossiper) queueRegossipTxs() types.Transactions {
 	rgFrequency := n.config.RegossipFrequency
 	rgMaxTxs := n.config.RegossipMaxTxs
 	rgTxsPerAddr := n.config.RegossipTxsPerAddress
-	localQueued := n.queueExecutableTxs(state, tip.BaseFee(), localTxs, rgFrequency, rgMaxTxs, rgTxsPerAddr)
+	localQueued := n.queueExecutableTxs(state, tip.BaseFee, localTxs, rgFrequency, rgMaxTxs, rgTxsPerAddr)
 	localCount := len(localQueued)
 	n.stats.IncEthTxsRegossipQueuedLocal(localCount)
 	if localCount >= rgMaxTxs {
 		n.stats.IncEthTxsRegossipQueued()
 		return localQueued
 	}
-	remoteQueued := n.queueExecutableTxs(state, tip.BaseFee(), remoteTxs, rgFrequency, rgMaxTxs-localCount, rgTxsPerAddr)
+	remoteQueued := n.queueExecutableTxs(state, tip.BaseFee, remoteTxs, rgFrequency, rgMaxTxs-localCount, rgTxsPerAddr)
 	n.stats.IncEthTxsRegossipQueuedRemote(len(remoteQueued))
 	if localCount+len(remoteQueued) > 0 {
 		// only increment the regossip stat when there are any txs queued
@@ -205,7 +205,7 @@ func (n *pushGossiper) queueRegossipTxs() types.Transactions {
 	return append(localQueued, remoteQueued...)
 }
 
-// queueRegossipTxs finds the best priority transactions in the mempool and adds up to
+// queuePriorityRegossipTxs finds the best priority transactions in the mempool and adds up to
 // [PriorityRegossipMaxTxs] of them to [txsToGossip].
 func (n *pushGossiper) queuePriorityRegossipTxs() types.Transactions {
 	// Fetch all pending transactions from the priority addresses
@@ -213,7 +213,7 @@ func (n *pushGossiper) queuePriorityRegossipTxs() types.Transactions {
 
 	// Add best transactions to be gossiped
 	tip := n.blockchain.CurrentBlock()
-	state, err := n.blockchain.StateAt(tip.Root())
+	state, err := n.blockchain.StateAt(tip.Root)
 	if err != nil || state == nil {
 		log.Debug(
 			"could not get state at tip",
@@ -223,7 +223,7 @@ func (n *pushGossiper) queuePriorityRegossipTxs() types.Transactions {
 		return nil
 	}
 	return n.queueExecutableTxs(
-		state, tip.BaseFee(), priorityTxs,
+		state, tip.BaseFee, priorityTxs,
 		n.config.PriorityRegossipFrequency,
 		n.config.PriorityRegossipMaxTxs,
 		n.config.PriorityRegossipTxsPerAddress,
@@ -313,6 +313,7 @@ func (n *pushGossiper) sendTxs(txs []*types.Transaction) error {
 	if err != nil {
 		return err
 	}
+
 	log.Trace(
 		"gossiping eth txs",
 		"len(txs)", len(txs),
@@ -323,21 +324,21 @@ func (n *pushGossiper) sendTxs(txs []*types.Transaction) error {
 }
 
 func (n *pushGossiper) gossipTxs(force bool) (int, error) {
-	if (!force && time.Since(n.lastGossiped) < txsGossipInterval) || len(n.txsToGossip) == 0 {
+	if (!force && time.Since(n.lastGossiped) < minGossipBatchInterval) || len(n.txsToGossip) == 0 {
 		return 0, nil
 	}
 	n.lastGossiped = time.Now()
 	txs := make([]*types.Transaction, 0, len(n.txsToGossip))
-	for _, tx := range n.txsToGossip {
+	for txHash, tx := range n.txsToGossip {
 		txs = append(txs, tx)
-		delete(n.txsToGossip, tx.Hash())
+		delete(n.txsToGossip, txHash)
 	}
 
 	selectedTxs := make([]*types.Transaction, 0)
 	for _, tx := range txs {
 		txHash := tx.Hash()
 		txStatus := n.txPool.Status([]common.Hash{txHash})[0]
-		if txStatus != core.TxStatusPending {
+		if txStatus != txpool.TxStatusPending {
 			continue
 		}
 
@@ -363,7 +364,7 @@ func (n *pushGossiper) gossipTxs(force bool) (int, error) {
 
 	// Attempt to gossip [selectedTxs]
 	msgTxs := make([]*types.Transaction, 0)
-	msgTxsSize := common.StorageSize(0)
+	msgTxsSize := uint64(0)
 	for _, tx := range selectedTxs {
 		size := tx.Size()
 		if msgTxsSize+size > message.TxMsgSoftCapSize {
@@ -388,14 +389,6 @@ func (n *pushGossiper) gossipTxs(force bool) (int, error) {
 // NOTE: We never return a non-nil error from this function but retain the
 // option to do so in case it becomes useful.
 func (n *pushGossiper) GossipTxs(txs []*types.Transaction) error {
-	if time.Now().Before(n.gossipActivationTime) {
-		log.Trace(
-			"not gossiping eth txs before the gossiping activation time",
-			"len(txs)", len(txs),
-		)
-		return nil
-	}
-
 	select {
 	case n.txsToGossipChan <- txs:
 	case <-n.shutdownChan:
@@ -406,7 +399,7 @@ func (n *pushGossiper) GossipTxs(txs []*types.Transaction) error {
 // GossipHandler handles incoming gossip messages
 type GossipHandler struct {
 	vm     *VM
-	txPool *core.TxPool
+	txPool *txpool.TxPool
 	stats  GossipReceivedStats
 }
 
@@ -452,7 +445,7 @@ func (h *GossipHandler) HandleTxs(nodeID ids.NodeID, msg message.TxsGossip) erro
 				"err", err,
 				"tx", txs[i].Hash(),
 			)
-			if err == core.ErrAlreadyKnown {
+			if err == txpool.ErrAlreadyKnown {
 				h.stats.IncEthTxsGossipReceivedKnown()
 			}
 			continue
@@ -461,10 +454,3 @@ func (h *GossipHandler) HandleTxs(nodeID ids.NodeID, msg message.TxsGossip) erro
 	}
 	return nil
 }
-
-// noopGossiper should be used when gossip communication is not supported
-type noopGossiper struct{}
-
-func (n *noopGossiper) GossipTxs([]*types.Transaction) error {
-	return nil
-}
diff --git a/plugin/evm/limit_order.go b/plugin/evm/limit_order.go
index 88443dd740..2d4e72ce1f 100644
--- a/plugin/evm/limit_order.go
+++ b/plugin/evm/limit_order.go
@@ -12,6 +12,7 @@ import (
 	"time"
 
 	"github.com/ava-labs/subnet-evm/core"
+	"github.com/ava-labs/subnet-evm/core/txpool"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/eth"
 	"github.com/ava-labs/subnet-evm/eth/filters"
@@ -40,7 +41,7 @@ type LimitOrderProcesser interface {
 type limitOrderProcesser struct {
 	ctx                    *snow.Context
 	mu                     *sync.Mutex
-	txPool                 *core.TxPool
+	txPool                 *txpool.TxPool
 	shutdownChan           <-chan struct{}
 	shutdownWg             *sync.WaitGroup
 	backend                *eth.EthAPIBackend
@@ -54,7 +55,7 @@ type limitOrderProcesser struct {
 	configService          orderbook.IConfigService
 }
 
-func NewLimitOrderProcesser(ctx *snow.Context, txPool *core.TxPool, shutdownChan <-chan struct{}, shutdownWg *sync.WaitGroup, backend *eth.EthAPIBackend, blockChain *core.BlockChain, hubbleDB database.Database, validatorPrivateKey string) LimitOrderProcesser {
+func NewLimitOrderProcesser(ctx *snow.Context, txPool *txpool.TxPool, shutdownChan <-chan struct{}, shutdownWg *sync.WaitGroup, backend *eth.EthAPIBackend, blockChain *core.BlockChain, hubbleDB database.Database, validatorPrivateKey string) LimitOrderProcesser {
 	log.Info("**** NewLimitOrderProcesser")
 	configService := orderbook.NewConfigService(blockChain)
 	memoryDb := orderbook.NewInMemoryDatabase(configService)
@@ -62,7 +63,7 @@ func NewLimitOrderProcesser(ctx *snow.Context, txPool *core.TxPool, shutdownChan
 	contractEventProcessor := orderbook.NewContractEventsProcessor(memoryDb)
 	buildBlockPipeline := orderbook.NewBuildBlockPipeline(memoryDb, lotp, configService)
 	filterSystem := filters.NewFilterSystem(backend, filters.Config{})
-	filterAPI := filters.NewFilterAPI(filterSystem, true)
+	filterAPI := filters.NewFilterAPI(filterSystem)
 
 	// need to register the types for gob encoding because memory DB has an interface field(ContractOrder)
 	gob.Register(&orderbook.LimitOrder{})
@@ -138,7 +139,7 @@ func (lop *limitOrderProcesser) ListenAndProcessTransactions() {
 
 func (lop *limitOrderProcesser) RunBuildBlockPipeline() {
 	executeFuncAndRecoverPanic(func() {
-		lop.buildBlockPipeline.Run(new(big.Int).Add(lop.blockChain.CurrentBlock().Number(), big.NewInt(1)))
+		lop.buildBlockPipeline.Run(new(big.Int).Add(lop.blockChain.CurrentBlock().Number, big.NewInt(1)))
 	}, orderbook.RunBuildBlockPipelinePanicMessage, orderbook.RunBuildBlockPipelinePanicsCounter)
 }
 
@@ -273,17 +274,17 @@ func (lop *limitOrderProcesser) saveMemoryDBSnapshot(acceptedBlockNumber *big.In
 	if err != nil {
 		return fmt.Errorf("Error in getting memory DB copy: err=%v", err)
 	}
-	if currentHeadBlock.Number().Cmp(acceptedBlockNumber) == 1 {
+	if currentHeadBlock.Number.Cmp(acceptedBlockNumber) == 1 {
 		// if current head is ahead of the accepted block, then certain events(OrderBook)
 		// need to be removed from the saved state
 		logsToRemove := []*types.Log{}
 		for {
-			logs := lop.blockChain.GetLogs(currentHeadBlock.Hash(), currentHeadBlock.NumberU64())
+			logs := lop.blockChain.GetLogs(currentHeadBlock.Hash(), currentHeadBlock.Number.Uint64())
 			flattenedLogs := types.FlattenLogs(logs)
 			logsToRemove = append(logsToRemove, flattenedLogs...)
 
-			currentHeadBlock = lop.blockChain.GetBlockByHash(currentHeadBlock.ParentHash())
-			if currentHeadBlock.Number().Cmp(acceptedBlockNumber) == 0 {
+			currentHeadBlock = lop.blockChain.GetHeaderByHash(currentHeadBlock.ParentHash)
+			if currentHeadBlock.Number.Cmp(acceptedBlockNumber) == 0 {
 				break
 			}
 		}
@@ -312,7 +313,7 @@ func (lop *limitOrderProcesser) saveMemoryDBSnapshot(acceptedBlockNumber *big.In
 		return fmt.Errorf("Error in saving to DB: err=%v", err)
 	}
 
-	log.Info("Saved memory DB snapshot successfully", "accepted block", acceptedBlockNumber, "head block number", currentHeadBlock.Number(), "head block hash", currentHeadBlock.Hash())
+	log.Info("Saved memory DB snapshot successfully", "accepted block", acceptedBlockNumber, "head block number", currentHeadBlock.Number, "head block hash", currentHeadBlock.Hash())
 
 	return nil
 }
diff --git a/plugin/evm/message/message.go b/plugin/evm/message/message.go
index cda5e9210f..89e584179f 100644
--- a/plugin/evm/message/message.go
+++ b/plugin/evm/message/message.go
@@ -9,8 +9,6 @@ import (
 
 	"github.com/ava-labs/avalanchego/codec"
 
-	"github.com/ethereum/go-ethereum/common"
-
 	"github.com/ava-labs/avalanchego/ids"
 	"github.com/ava-labs/avalanchego/utils/units"
 )
@@ -20,7 +18,7 @@ const (
 	// any [Txs] message. We do not limit inbound messages to
 	// this size, however. Max inbound message size is enforced by the codec
 	// (512KB).
-	TxMsgSoftCapSize = common.StorageSize(64 * units.KiB)
+	TxMsgSoftCapSize = 64 * units.KiB
 )
 
 var (
diff --git a/plugin/evm/network_handler.go b/plugin/evm/network_handler.go
index 529249fbc1..b78684938d 100644
--- a/plugin/evm/network_handler.go
+++ b/plugin/evm/network_handler.go
@@ -8,12 +8,15 @@ import (
 
 	"github.com/ava-labs/avalanchego/codec"
 	"github.com/ava-labs/avalanchego/ids"
+	"github.com/ava-labs/subnet-evm/ethdb"
 	"github.com/ava-labs/subnet-evm/metrics"
 	"github.com/ava-labs/subnet-evm/plugin/evm/message"
 	syncHandlers "github.com/ava-labs/subnet-evm/sync/handlers"
 	syncStats "github.com/ava-labs/subnet-evm/sync/handlers/stats"
 	"github.com/ava-labs/subnet-evm/trie"
+	"github.com/ava-labs/subnet-evm/warp"
 	warpHandlers "github.com/ava-labs/subnet-evm/warp/handlers"
+	warpStats "github.com/ava-labs/subnet-evm/warp/handlers/stats"
 )
 
 var _ message.RequestHandler = &networkHandler{}
@@ -28,18 +31,17 @@ type networkHandler struct {
 // newNetworkHandler constructs the handler for serving network requests.
 func newNetworkHandler(
 	provider syncHandlers.SyncDataProvider,
+	diskDB ethdb.KeyValueReader,
 	evmTrieDB *trie.Database,
+	warpBackend warp.WarpBackend,
 	networkCodec codec.Manager,
 ) message.RequestHandler {
 	syncStats := syncStats.NewHandlerStats(metrics.Enabled)
 	return &networkHandler{
-		// State sync handlers
 		stateTrieLeafsRequestHandler: syncHandlers.NewLeafsRequestHandler(evmTrieDB, provider, networkCodec, syncStats),
 		blockRequestHandler:          syncHandlers.NewBlockRequestHandler(provider, networkCodec, syncStats),
-		codeRequestHandler:           syncHandlers.NewCodeRequestHandler(evmTrieDB.DiskDB(), networkCodec, syncStats),
-
-		// TODO: initialize actual signature request handler when warp is ready
-		signatureRequestHandler: &warpHandlers.NoopSignatureRequestHandler{},
+		codeRequestHandler:           syncHandlers.NewCodeRequestHandler(diskDB, networkCodec, syncStats),
+		signatureRequestHandler:      warpHandlers.NewSignatureRequestHandler(warpBackend, networkCodec, warpStats.NewStats()),
 	}
 }
 
diff --git a/plugin/evm/orderbook/config_service.go b/plugin/evm/orderbook/config_service.go
index def2d9ef0d..4fddbe1081 100644
--- a/plugin/evm/orderbook/config_service.go
+++ b/plugin/evm/orderbook/config_service.go
@@ -62,7 +62,7 @@ func (cs *ConfigService) getMinSizeRequirement(market Market) *big.Int {
 }
 
 func (cs *ConfigService) getStateAtCurrentBlock() *state.StateDB {
-	stateDB, _ := cs.blockChain.StateAt(cs.blockChain.CurrentBlock().Root())
+	stateDB, _ := cs.blockChain.StateAt(cs.blockChain.CurrentBlock().Root)
 	return stateDB
 }
 
diff --git a/plugin/evm/orderbook/tx_processor.go b/plugin/evm/orderbook/tx_processor.go
index 71aa7cfe9d..60420c316e 100644
--- a/plugin/evm/orderbook/tx_processor.go
+++ b/plugin/evm/orderbook/tx_processor.go
@@ -8,7 +8,7 @@ import (
 	"math/big"
 
 	"github.com/ava-labs/subnet-evm/accounts/abi"
-	"github.com/ava-labs/subnet-evm/core"
+	"github.com/ava-labs/subnet-evm/core/txpool"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/eth"
 	"github.com/ava-labs/subnet-evm/metrics"
@@ -24,7 +24,7 @@ var MarginAccountContractAddress = common.HexToAddress("0x0300000000000000000000
 var ClearingHouseContractAddress = common.HexToAddress("0x0300000000000000000000000000000000000002")
 var IOCOrderBookContractAddress = common.HexToAddress("0x635c5F96989a4226953FE6361f12B96c5d50289b")
 
-// var IOCOrderBookContractAddress = common.HexToAddress("0x0300000000000000000000000000000000000006")
+// var IOCOrderBookContractAddress = common.HexToAddress("0x635c5F96989a4226953FE6361f12B96c5d50289b")
 
 type LimitOrderTxProcessor interface {
 	PurgeLocalTx()
@@ -42,7 +42,7 @@ type ValidatorTxFeeConfig struct {
 }
 
 type limitOrderTxProcessor struct {
-	txPool                       *core.TxPool
+	txPool                       *txpool.TxPool
 	memoryDb                     LimitOrderDatabase
 	orderBookABI                 abi.ABI
 	clearingHouseABI             abi.ABI
@@ -56,7 +56,7 @@ type limitOrderTxProcessor struct {
 	validatorTxFeeConfig         ValidatorTxFeeConfig
 }
 
-func NewLimitOrderTxProcessor(txPool *core.TxPool, memoryDb LimitOrderDatabase, backend *eth.EthAPIBackend, validatorPrivateKey string) LimitOrderTxProcessor {
+func NewLimitOrderTxProcessor(txPool *txpool.TxPool, memoryDb LimitOrderDatabase, backend *eth.EthAPIBackend, validatorPrivateKey string) LimitOrderTxProcessor {
 	orderBookABI, err := abi.FromSolidityJson(string(abis.OrderBookAbi))
 	if err != nil {
 		panic(err)
@@ -177,14 +177,14 @@ func (lotp *limitOrderTxProcessor) executeLocalTx(contract common.Address, contr
 func (lotp *limitOrderTxProcessor) getBaseFeeEstimate() *big.Int {
 	baseFeeEstimate, err := lotp.backend.EstimateBaseFee(context.TODO())
 	if err != nil {
-		baseFeeEstimate = big.NewInt(0).Abs(lotp.backend.CurrentBlock().BaseFee())
+		baseFeeEstimate = big.NewInt(0).Abs(lotp.backend.CurrentBlock().BaseFee)
 		log.Error("Error in calculating updated bassFee, using last header's baseFee", "baseFeeEstimate", baseFeeEstimate)
 	}
 	return baseFeeEstimate
 }
 
 func (lotp *limitOrderTxProcessor) updateValidatorTxFeeConfig() {
-	currentBlockNumber := lotp.backend.CurrentBlock().NumberU64()
+	currentBlockNumber := lotp.backend.CurrentBlock().Number.Uint64()
 	if lotp.validatorTxFeeConfig.blockNumber < currentBlockNumber {
 		baseFeeEstimate := lotp.getBaseFeeEstimate()
 		// log.Info("inside lotp updating txFeeConfig", "blockNumber", currentBlockNumber, "baseFeeEstimate", baseFeeEstimate)
@@ -271,7 +271,7 @@ func (lotp *limitOrderTxProcessor) UpdateMetrics(block *types.Block) {
 
 	bigblock := new(big.Int).SetUint64(block.NumberU64())
 	timestamp := new(big.Int).SetUint64(block.Header().Time)
-	signer := types.MakeSigner(lotp.backend.ChainConfig(), bigblock, timestamp)
+	signer := types.MakeSigner(lotp.backend.ChainConfig(), bigblock, timestamp.Uint64())
 
 	for i := 0; i < len(txs); i++ {
 		tx := txs[i]
diff --git a/plugin/evm/syncervm_test.go b/plugin/evm/syncervm_test.go
index aad553943e..d44bbd0b23 100644
--- a/plugin/evm/syncervm_test.go
+++ b/plugin/evm/syncervm_test.go
@@ -126,13 +126,14 @@ func TestStateSyncToggleEnabledToDisabled(t *testing.T) {
 		return nil
 	}
 	// Disable metrics to prevent duplicate registerer
+	stateSyncDisabledConfigJSON := `{"state-sync-enabled":false}`
 	if err := syncDisabledVM.Initialize(
 		context.Background(),
 		vmSetup.syncerVM.ctx,
 		vmSetup.syncerDBManager,
 		[]byte(genesisJSONSubnetEVM),
 		nil,
-		nil,
+		[]byte(stateSyncDisabledConfigJSON),
 		vmSetup.syncerVM.toEngine,
 		[]*commonEng.Fx{},
 		appSender,
@@ -176,7 +177,7 @@ func TestStateSyncToggleEnabledToDisabled(t *testing.T) {
 		}
 	}
 	// Verify the snapshot disk layer matches the last block root
-	lastRoot := syncDisabledVM.blockChain.CurrentBlock().Root()
+	lastRoot := syncDisabledVM.blockChain.CurrentBlock().Root
 	if err := syncDisabledVM.blockChain.Snapshots().Verify(lastRoot); err != nil {
 		t.Fatal(err)
 	}
@@ -186,7 +187,7 @@ func TestStateSyncToggleEnabledToDisabled(t *testing.T) {
 	syncReEnabledVM := &VM{}
 	// Enable state sync in configJSON
 	configJSON := fmt.Sprintf(
-		"{\"state-sync-enabled\":true, \"state-sync-min-blocks\":%d}",
+		`{"state-sync-enabled":true, "state-sync-min-blocks":%d}`,
 		test.stateSyncMinBlocks,
 	)
 	if err := syncReEnabledVM.Initialize(
diff --git a/plugin/evm/version.go b/plugin/evm/version.go
index 03e357b8ba..92d02b73b0 100644
--- a/plugin/evm/version.go
+++ b/plugin/evm/version.go
@@ -11,7 +11,7 @@ var (
 	// GitCommit is set by the build script
 	GitCommit string
 	// Version is the version of Subnet EVM
-	Version string = "v0.5.1"
+	Version string = "v0.5.4"
 )
 
 func init() {
diff --git a/plugin/evm/vm.go b/plugin/evm/vm.go
index ae1c499590..4697867772 100644
--- a/plugin/evm/vm.go
+++ b/plugin/evm/vm.go
@@ -23,6 +23,7 @@ import (
 	"github.com/ava-labs/subnet-evm/constants"
 	"github.com/ava-labs/subnet-evm/core"
 	"github.com/ava-labs/subnet-evm/core/rawdb"
+	"github.com/ava-labs/subnet-evm/core/txpool"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/eth"
 	"github.com/ava-labs/subnet-evm/eth/ethconfig"
@@ -38,6 +39,8 @@ import (
 	"github.com/ava-labs/subnet-evm/sync/client/stats"
 	"github.com/ava-labs/subnet-evm/trie"
 	"github.com/ava-labs/subnet-evm/warp"
+	"github.com/ava-labs/subnet-evm/warp/aggregator"
+	warpValidators "github.com/ava-labs/subnet-evm/warp/validators"
 
 	// Force-load tracer engine to trigger registration
 	//
@@ -70,6 +73,7 @@ import (
 	"github.com/ava-labs/avalanchego/utils/perms"
 	"github.com/ava-labs/avalanchego/utils/profiler"
 	"github.com/ava-labs/avalanchego/utils/timer/mockable"
+	"github.com/ava-labs/avalanchego/utils/units"
 	"github.com/ava-labs/avalanchego/vms/components/chain"
 
 	commonEng "github.com/ava-labs/avalanchego/snow/engine/common"
@@ -88,9 +92,10 @@ const (
 	// and fail verification
 	maxFutureBlockTime = 10 * time.Second
 
-	decidedCacheSize       = 100
+	decidedCacheSize       = 10 * units.MiB
 	missingCacheSize       = 50
-	unverifiedCacheSize    = 50
+	unverifiedCacheSize    = 5 * units.MiB
+	bytesToIDCacheSize     = 5 * units.MiB
 	warpSignatureCacheSize = 500
 
 	// Prefixes for metrics gatherers
@@ -116,14 +121,13 @@ var (
 )
 
 var (
-	errEmptyBlock                 = errors.New("empty block")
-	errUnsupportedFXs             = errors.New("unsupported feature extensions")
-	errInvalidBlock               = errors.New("invalid block")
-	errInvalidNonce               = errors.New("invalid nonce")
-	errUnclesUnsupported          = errors.New("uncles unsupported")
-	errNilBaseFeeSubnetEVM        = errors.New("nil base fee is invalid after subnetEVM")
-	errNilBlockGasCostSubnetEVM   = errors.New("nil blockGasCost is invalid after subnetEVM")
-	errSubnetEVMUpgradeNotEnabled = errors.New("SubnetEVM upgrade is not enabled in genesis")
+	errEmptyBlock               = errors.New("empty block")
+	errUnsupportedFXs           = errors.New("unsupported feature extensions")
+	errInvalidBlock             = errors.New("invalid block")
+	errInvalidNonce             = errors.New("invalid nonce")
+	errUnclesUnsupported        = errors.New("uncles unsupported")
+	errNilBaseFeeSubnetEVM      = errors.New("nil base fee is invalid after subnetEVM")
+	errNilBlockGasCostSubnetEVM = errors.New("nil blockGasCost is invalid after subnetEVM")
 )
 
 // legacyApiNames maps pre geth v1.10.20 api names to their updated counterparts.
@@ -169,7 +173,7 @@ type VM struct {
 
 	// pointers to eth constructs
 	eth        *eth.Ethereum
-	txPool     *core.TxPool
+	txPool     *txpool.TxPool
 	blockChain *core.BlockChain
 	miner      *miner.Miner
 
@@ -307,6 +311,10 @@ func (vm *VM) Initialize(
 		g.Config = params.SubnetEVMDefaultChainConfig
 	}
 
+	// We enforce network upgrades here, regardless of the chain config
+	// provided in the genesis file.
+	g.Config.MandatoryNetworkUpgrades = params.GetMandatoryNetworkUpgrades(chainCtx.NetworkID)
+
 	// Load airdrop file if provided
 	if vm.config.AirdropFile != "" {
 		g.AirdropData, err = os.ReadFile(vm.config.AirdropFile)
@@ -325,8 +333,17 @@ func (vm *VM) Initialize(
 		g.Config.FeeConfig = params.DefaultFeeConfig
 	}
 
+	if err := g.Verify(); err != nil {
+		return fmt.Errorf("failed to verify genesis: %w", err)
+	}
+
 	vm.ethConfig = ethconfig.NewDefaultConfig()
 	vm.ethConfig.Genesis = g
+	// NetworkID here is different than Avalanche's NetworkID.
+	// Avalanche's NetworkID represents the Avalanche network is running on
+	// like Fuji, Mainnet, Local, etc.
+	// The NetworkId here is kept same as ChainID to be compatible with
+	// Ethereum tooling.
 	vm.ethConfig.NetworkId = g.Config.ChainID.Uint64()
 
 	// Set minimum price for mining and default gas price oracle value to the min
@@ -362,7 +379,7 @@ func (vm *VM) Initialize(
 	vm.ethConfig.PopulateMissingTriesParallelism = vm.config.PopulateMissingTriesParallelism
 	vm.ethConfig.AllowMissingTries = vm.config.AllowMissingTries
 	vm.ethConfig.SnapshotDelayInit = vm.config.StateSyncEnabled
-	vm.ethConfig.SnapshotAsync = vm.config.SnapshotAsync
+	vm.ethConfig.SnapshotWait = vm.config.SnapshotWait
 	vm.ethConfig.SnapshotVerify = vm.config.SnapshotVerify
 	vm.ethConfig.OfflinePruning = vm.config.OfflinePruning
 	vm.ethConfig.OfflinePruningBloomFilterSize = vm.config.OfflinePruningBloomFilterSize
@@ -393,14 +410,6 @@ func (vm *VM) Initialize(
 	vm.chainConfig = g.Config
 	vm.networkID = vm.ethConfig.NetworkId
 
-	// TODO: remove SkipSubnetEVMUpgradeCheck after next network upgrade
-	if !vm.config.SkipSubnetEVMUpgradeCheck {
-		// check that subnetEVM upgrade is enabled from genesis before upgradeBytes
-		if !vm.chainConfig.IsSubnetEVM(common.Big0) {
-			return errSubnetEVMUpgradeNotEnabled
-		}
-	}
-
 	// Apply upgradeBytes (if any) by unmarshalling them into [chainConfig.UpgradeConfig].
 	// Initializing the chain will verify upgradeBytes are compatible with existing values.
 	if len(upgradeBytes) > 0 {
@@ -413,13 +422,12 @@ func (vm *VM) Initialize(
 
 	// create genesisHash after applying upgradeBytes in case
 	// upgradeBytes modifies genesis.
-	vm.genesisHash = vm.ethConfig.Genesis.ToBlock(nil).Hash()
-
+	vm.genesisHash = vm.ethConfig.Genesis.ToBlock().Hash() // must create genesis hash before [vm.readLastAccepted]
 	lastAcceptedHash, lastAcceptedHeight, err := vm.readLastAccepted()
 	if err != nil {
 		return err
 	}
-	log.Info("reading accepted block db", "lastAcceptedHash", lastAcceptedHash)
+	log.Info(fmt.Sprintf("lastAccepted = %s", lastAcceptedHash))
 
 	if err := vm.initializeMetrics(); err != nil {
 		return err
@@ -433,6 +441,13 @@ func (vm *VM) Initialize(
 	// initialize warp backend
 	vm.warpBackend = warp.NewWarpBackend(vm.ctx, vm.warpDB, warpSignatureCacheSize)
 
+	// clear warpdb on initialization if config enabled
+	if vm.config.PruneWarpDB {
+		if err := vm.warpBackend.Clear(); err != nil {
+			return fmt.Errorf("failed to prune warpDB: %w", err)
+		}
+	}
+
 	if err := vm.initializeChain(lastAcceptedHash, vm.ethConfig); err != nil {
 		return err
 	}
@@ -563,6 +578,7 @@ func (vm *VM) initChainState(lastAcceptedBlock *types.Block) error {
 		DecidedCacheSize:      decidedCacheSize,
 		MissingCacheSize:      missingCacheSize,
 		UnverifiedCacheSize:   unverifiedCacheSize,
+		BytesToIDCacheSize:    bytesToIDCacheSize,
 		GetBlockIDAtHeight:    vm.GetBlockIDAtHeight,
 		GetBlock:              vm.getBlock,
 		UnmarshalBlock:        vm.parseBlock,
@@ -629,7 +645,7 @@ func (vm *VM) setAppRequestHandlers() {
 		},
 	)
 
-	networkHandler := newNetworkHandler(vm.blockChain, evmTrieDB, vm.networkCodec)
+	networkHandler := newNetworkHandler(vm.blockChain, vm.chaindb, evmTrieDB, vm.warpBackend, vm.networkCodec)
 	vm.Network.SetRequestHandler(networkHandler)
 }
 
@@ -856,7 +872,8 @@ func (vm *VM) CreateHandlers(context.Context) (map[string]*commonEng.HTTPHandler
 	}
 
 	if vm.config.WarpAPIEnabled {
-		if err := handler.RegisterName("warp", &warp.WarpAPI{Backend: vm.warpBackend}); err != nil {
+		warpAggregator := aggregator.NewAggregator(vm.ctx.SubnetID, warpValidators.NewState(vm.ctx), &aggregator.NetworkSigner{Client: vm.client})
+		if err := handler.RegisterName("warp", warp.NewWarpAPI(vm.warpBackend, warpAggregator)); err != nil {
 			return nil, err
 		}
 		enabledAPIs = append(enabledAPIs, "warp")
@@ -942,7 +959,7 @@ func (vm *VM) startContinuousProfiler() {
 // readLastAccepted reads the last accepted hash from [acceptedBlockDB] and returns the
 // last accepted block hash and height by reading directly from [vm.chaindb] instead of relying
 // on [chain].
-// Note: assumes chaindb, ethConfig, and genesisHash have been initialized.
+// Note: assumes [vm.chaindb] and [vm.genesisHash] have been initialized.
 func (vm *VM) readLastAccepted() (common.Hash, uint64, error) {
 	// Attempt to load last accepted block to determine if it is necessary to
 	// initialize state with the genesis block.
diff --git a/plugin/evm/vm_test.go b/plugin/evm/vm_test.go
index efd1fe4710..4fc5bb3679 100644
--- a/plugin/evm/vm_test.go
+++ b/plugin/evm/vm_test.go
@@ -47,6 +47,7 @@ import (
 	"github.com/ava-labs/subnet-evm/consensus/dummy"
 	"github.com/ava-labs/subnet-evm/constants"
 	"github.com/ava-labs/subnet-evm/core"
+	"github.com/ava-labs/subnet-evm/core/txpool"
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/eth"
 	"github.com/ava-labs/subnet-evm/internal/ethapi"
@@ -60,6 +61,7 @@ import (
 	"github.com/ava-labs/subnet-evm/precompile/contracts/txallowlist"
 	"github.com/ava-labs/subnet-evm/rpc"
 	"github.com/ava-labs/subnet-evm/trie"
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ava-labs/subnet-evm/vmerrs"
 
 	avalancheWarp "github.com/ava-labs/avalanchego/vms/platformvm/warp"
@@ -77,10 +79,10 @@ var (
 	password        = "CjasdjhiPeirbSenfeI13" // #nosec G101
 	// Use chainId: 43111, so that it does not overlap with any Avalanche ChainIDs, which may have their
 	// config overridden in vm.Initialize.
-	genesisJSONSubnetEVMLateEnablement = "{\"config\":{\"chainId\":43111,\"homesteadBlock\":0,\"eip150Block\":0,\"eip150Hash\":\"0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0\",\"eip155Block\":0,\"eip158Block\":0,\"byzantiumBlock\":0,\"constantinopleBlock\":0,\"petersburgBlock\":0,\"istanbulBlock\":0,\"muirGlacierBlock\":0,\"subnetEVMTimestamp\":50},\"nonce\":\"0x0\",\"timestamp\":\"0x0\",\"extraData\":\"0x00\",\"gasLimit\":\"0x7A1200\",\"difficulty\":\"0x0\",\"mixHash\":\"0x0000000000000000000000000000000000000000000000000000000000000000\",\"coinbase\":\"0x0000000000000000000000000000000000000000\",\"alloc\":{\"0x71562b71999873DB5b286dF957af199Ec94617F7\": {\"balance\":\"0x4192927743b88000\"}, \"0x703c4b2bD70c169f5717101CaeE543299Fc946C7\": {\"balance\":\"0x4192927743b88000\"}},\"number\":\"0x0\",\"gasUsed\":\"0x0\",\"parentHash\":\"0x0000000000000000000000000000000000000000000000000000000000000000\"}"
-	genesisJSONSubnetEVM               = "{\"config\":{\"chainId\":43111,\"homesteadBlock\":0,\"eip150Block\":0,\"eip150Hash\":\"0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0\",\"eip155Block\":0,\"eip158Block\":0,\"byzantiumBlock\":0,\"constantinopleBlock\":0,\"petersburgBlock\":0,\"istanbulBlock\":0,\"muirGlacierBlock\":0,\"subnetEVMTimestamp\":0},\"nonce\":\"0x0\",\"timestamp\":\"0x0\",\"extraData\":\"0x00\",\"gasLimit\":\"0x7A1200\",\"difficulty\":\"0x0\",\"mixHash\":\"0x0000000000000000000000000000000000000000000000000000000000000000\",\"coinbase\":\"0x0000000000000000000000000000000000000000\",\"alloc\":{\"0x71562b71999873DB5b286dF957af199Ec94617F7\": {\"balance\":\"0x4192927743b88000\"}, \"0x703c4b2bD70c169f5717101CaeE543299Fc946C7\": {\"balance\":\"0x4192927743b88000\"}},\"number\":\"0x0\",\"gasUsed\":\"0x0\",\"parentHash\":\"0x0000000000000000000000000000000000000000000000000000000000000000\"}"
-	genesisJSONPreSubnetEVM            = "{\"config\":{\"chainId\":43111,\"homesteadBlock\":0,\"eip150Block\":0,\"eip150Hash\":\"0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0\",\"eip155Block\":0,\"eip158Block\":0,\"byzantiumBlock\":0,\"constantinopleBlock\":0,\"petersburgBlock\":0,\"istanbulBlock\":0,\"muirGlacierBlock\":0},\"nonce\":\"0x0\",\"timestamp\":\"0x0\",\"extraData\":\"0x00\",\"gasLimit\":\"0x7A1200\",\"difficulty\":\"0x0\",\"mixHash\":\"0x0000000000000000000000000000000000000000000000000000000000000000\",\"coinbase\":\"0x0000000000000000000000000000000000000000\",\"alloc\":{\"0x71562b71999873DB5b286dF957af199Ec94617F7\": {\"balance\":\"0x4192927743b88000\"}, \"0x703c4b2bD70c169f5717101CaeE543299Fc946C7\": {\"balance\":\"0x4192927743b88000\"}},\"number\":\"0x0\",\"gasUsed\":\"0x0\",\"parentHash\":\"0x0000000000000000000000000000000000000000000000000000000000000000\"}"
-	genesisJSONLatest                  = genesisJSONSubnetEVM
+	genesisJSONSubnetEVM    = "{\"config\":{\"chainId\":43111,\"homesteadBlock\":0,\"eip150Block\":0,\"eip150Hash\":\"0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0\",\"eip155Block\":0,\"eip158Block\":0,\"byzantiumBlock\":0,\"constantinopleBlock\":0,\"petersburgBlock\":0,\"istanbulBlock\":0,\"muirGlacierBlock\":0,\"subnetEVMTimestamp\":0},\"nonce\":\"0x0\",\"timestamp\":\"0x0\",\"extraData\":\"0x00\",\"gasLimit\":\"0x7A1200\",\"difficulty\":\"0x0\",\"mixHash\":\"0x0000000000000000000000000000000000000000000000000000000000000000\",\"coinbase\":\"0x0000000000000000000000000000000000000000\",\"alloc\":{\"0x71562b71999873DB5b286dF957af199Ec94617F7\": {\"balance\":\"0x4192927743b88000\"}, \"0x703c4b2bD70c169f5717101CaeE543299Fc946C7\": {\"balance\":\"0x4192927743b88000\"}},\"number\":\"0x0\",\"gasUsed\":\"0x0\",\"parentHash\":\"0x0000000000000000000000000000000000000000000000000000000000000000\"}"
+	genesisJSONDUpgrade     = "{\"config\":{\"chainId\":43111,\"homesteadBlock\":0,\"eip150Block\":0,\"eip150Hash\":\"0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0\",\"eip155Block\":0,\"eip158Block\":0,\"byzantiumBlock\":0,\"constantinopleBlock\":0,\"petersburgBlock\":0,\"istanbulBlock\":0,\"muirGlacierBlock\":0,\"subnetEVMTimestamp\":0,\"dUpgradeTimestamp\":0},\"nonce\":\"0x0\",\"timestamp\":\"0x0\",\"extraData\":\"0x00\",\"gasLimit\":\"0x7A1200\",\"difficulty\":\"0x0\",\"mixHash\":\"0x0000000000000000000000000000000000000000000000000000000000000000\",\"coinbase\":\"0x0000000000000000000000000000000000000000\",\"alloc\":{\"0x71562b71999873DB5b286dF957af199Ec94617F7\": {\"balance\":\"0x4192927743b88000\"}, \"0x703c4b2bD70c169f5717101CaeE543299Fc946C7\": {\"balance\":\"0x4192927743b88000\"}},\"number\":\"0x0\",\"gasUsed\":\"0x0\",\"parentHash\":\"0x0000000000000000000000000000000000000000000000000000000000000000\"}"
+	genesisJSONPreSubnetEVM = "{\"config\":{\"chainId\":43111,\"homesteadBlock\":0,\"eip150Block\":0,\"eip150Hash\":\"0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0\",\"eip155Block\":0,\"eip158Block\":0,\"byzantiumBlock\":0,\"constantinopleBlock\":0,\"petersburgBlock\":0,\"istanbulBlock\":0,\"muirGlacierBlock\":0},\"nonce\":\"0x0\",\"timestamp\":\"0x0\",\"extraData\":\"0x00\",\"gasLimit\":\"0x7A1200\",\"difficulty\":\"0x0\",\"mixHash\":\"0x0000000000000000000000000000000000000000000000000000000000000000\",\"coinbase\":\"0x0000000000000000000000000000000000000000\",\"alloc\":{\"0x71562b71999873DB5b286dF957af199Ec94617F7\": {\"balance\":\"0x4192927743b88000\"}, \"0x703c4b2bD70c169f5717101CaeE543299Fc946C7\": {\"balance\":\"0x4192927743b88000\"}},\"number\":\"0x0\",\"gasUsed\":\"0x0\",\"parentHash\":\"0x0000000000000000000000000000000000000000000000000000000000000000\"}"
+	genesisJSONLatest       = genesisJSONDUpgrade
 
 	firstTxAmount  *big.Int
 	genesisBalance *big.Int
@@ -148,7 +150,7 @@ func NewContext() *snow.Context {
 	if err != nil {
 		panic(err)
 	}
-	ctx.WarpSigner = avalancheWarp.NewSigner(blsSecretKey, ctx.ChainID)
+	ctx.WarpSigner = avalancheWarp.NewSigner(blsSecretKey, ctx.NetworkID, ctx.ChainID)
 	ctx.PublicKey = bls.PublicFromSecretKey(blsSecretKey)
 	return ctx
 }
@@ -388,58 +390,6 @@ func issueAndAccept(t *testing.T, issuer <-chan commonEng.Message, vm *VM) snowm
 	return blk
 }
 
-func TestSubnetEVMUpgradeRequiredAtGenesis(t *testing.T) {
-	genesisTests := []struct {
-		genesisJSON string
-		configJSON  string
-		expectedErr error
-	}{
-		{
-			// we expect an error when subnet evm upgrade is nil in chain config
-			genesisJSON: genesisJSONPreSubnetEVM,
-			configJSON:  "",
-			expectedErr: errSubnetEVMUpgradeNotEnabled,
-		},
-		{
-			// we expect an error when subnet evm upgrade is not enabled at genesis and at a later block instead
-			genesisJSON: genesisJSONSubnetEVMLateEnablement,
-			configJSON:  "",
-			expectedErr: errSubnetEVMUpgradeNotEnabled,
-		},
-		{
-			// we do not expect an err when skip-subnet-evm-upgrade-check is set to true
-			genesisJSON: genesisJSONPreSubnetEVM,
-			configJSON:  "{\"skip-subnet-evm-upgrade-check\": true}",
-			expectedErr: nil,
-		},
-		{
-			// we do not expect an err when skip-subnet-evm-upgrade-check is set to true
-			genesisJSON: genesisJSONSubnetEVMLateEnablement,
-			configJSON:  "{\"skip-subnet-evm-upgrade-check\": true}",
-			expectedErr: nil,
-		},
-	}
-
-	for _, test := range genesisTests {
-		ctx, dbManager, genesisBytes, issuer, _ := setupGenesis(t, test.genesisJSON)
-		vm := &VM{}
-		createValidatorPrivateKeyIfNotExists()
-		err := vm.Initialize(
-			context.Background(),
-			ctx,
-			dbManager,
-			genesisBytes,
-			[]byte(""),
-			[]byte(test.configJSON),
-			issuer,
-			[]*commonEng.Fx{},
-			nil,
-		)
-
-		require.ErrorIs(t, err, test.expectedErr)
-	}
-}
-
 func TestBuildEthTxBlock(t *testing.T) {
 	// reduce block gas cost
 	issuer, vm, dbManager, _ := GenesisVM(t, true, genesisJSONSubnetEVM, "{\"pruning-enabled\":true}", "")
@@ -2189,7 +2139,7 @@ func TestBuildAllowListActivationBlock(t *testing.T) {
 		t.Fatal(err)
 	}
 	genesis.Config.GenesisPrecompiles = params.Precompiles{
-		deployerallowlist.ConfigKey: deployerallowlist.NewConfig(big.NewInt(time.Now().Unix()), testEthAddrs, nil),
+		deployerallowlist.ConfigKey: deployerallowlist.NewConfig(utils.TimeToNewUint64(time.Now()), testEthAddrs, nil),
 	}
 
 	genesisJSON, err := genesis.MarshalJSON()
@@ -2255,7 +2205,7 @@ func TestTxAllowListSuccessfulTx(t *testing.T) {
 		t.Fatal(err)
 	}
 	genesis.Config.GenesisPrecompiles = params.Precompiles{
-		txallowlist.ConfigKey: txallowlist.NewConfig(big.NewInt(0), testEthAddrs[0:1], nil),
+		txallowlist.ConfigKey: txallowlist.NewConfig(utils.NewUint64(0), testEthAddrs[0:1], nil),
 	}
 	genesisJSON, err := genesis.MarshalJSON()
 	if err != nil {
@@ -2333,7 +2283,7 @@ func TestTxAllowListDisablePrecompile(t *testing.T) {
 	}
 	enableAllowListTimestamp := time.Unix(0, 0) // enable at genesis
 	genesis.Config.GenesisPrecompiles = params.Precompiles{
-		txallowlist.ConfigKey: txallowlist.NewConfig(big.NewInt(enableAllowListTimestamp.Unix()), testEthAddrs[0:1], nil),
+		txallowlist.ConfigKey: txallowlist.NewConfig(utils.TimeToNewUint64(enableAllowListTimestamp), testEthAddrs[0:1], nil),
 	}
 	genesisJSON, err := genesis.MarshalJSON()
 	if err != nil {
@@ -2417,7 +2367,7 @@ func TestTxAllowListDisablePrecompile(t *testing.T) {
 	require.Equal(t, signedTx0.Hash(), txs[0].Hash())
 
 	// verify the issued block is after the network upgrade
-	require.True(t, block.Timestamp().Cmp(big.NewInt(disableAllowListTimestamp.Unix())) >= 0)
+	require.GreaterOrEqual(t, int64(block.Timestamp()), disableAllowListTimestamp.Unix())
 
 	<-newTxPoolHeadChan // wait for new head in tx pool
 
@@ -2447,7 +2397,7 @@ func TestFeeManagerChangeFee(t *testing.T) {
 		t.Fatal(err)
 	}
 	genesis.Config.GenesisPrecompiles = params.Precompiles{
-		feemanager.ConfigKey: feemanager.NewConfig(big.NewInt(0), testEthAddrs[0:1], nil, nil),
+		feemanager.ConfigKey: feemanager.NewConfig(utils.NewUint64(0), testEthAddrs[0:1], nil, nil),
 	}
 
 	// set a lower fee config now
@@ -2498,7 +2448,7 @@ func TestFeeManagerChangeFee(t *testing.T) {
 	feeConfig, lastChangedAt, err := vm.blockChain.GetFeeConfigAt(vm.blockChain.Genesis().Header())
 	require.NoError(t, err)
 	require.EqualValues(t, feeConfig, testLowFeeConfig)
-	require.Zero(t, vm.blockChain.CurrentBlock().Number().Cmp(lastChangedAt))
+	require.Zero(t, vm.blockChain.CurrentBlock().Number.Cmp(lastChangedAt))
 
 	// set a different fee config now
 	testHighFeeConfig := testLowFeeConfig
@@ -2540,7 +2490,7 @@ func TestFeeManagerChangeFee(t *testing.T) {
 	feeConfig, lastChangedAt, err = vm.blockChain.GetFeeConfigAt(block.Header())
 	require.NoError(t, err)
 	require.EqualValues(t, testHighFeeConfig, feeConfig)
-	require.EqualValues(t, vm.blockChain.CurrentBlock().Number(), lastChangedAt)
+	require.EqualValues(t, vm.blockChain.CurrentBlock().Number, lastChangedAt)
 
 	// should fail, with same params since fee is higher now
 	tx2 := types.NewTx(&types.DynamicFeeTx{
@@ -2560,7 +2510,7 @@ func TestFeeManagerChangeFee(t *testing.T) {
 	}
 
 	err = vm.txPool.AddRemote(signedTx2)
-	require.ErrorIs(t, err, core.ErrUnderpriced)
+	require.ErrorIs(t, err, txpool.ErrUnderpriced)
 }
 
 // Test Allow Fee Recipients is disabled and, etherbase must be blackhole address
@@ -2689,7 +2639,7 @@ func TestRewardManagerPrecompileSetRewardAddress(t *testing.T) {
 	require.NoError(t, genesis.UnmarshalJSON([]byte(genesisJSONSubnetEVM)))
 
 	genesis.Config.GenesisPrecompiles = params.Precompiles{
-		rewardmanager.ConfigKey: rewardmanager.NewConfig(common.Big0, testEthAddrs[0:1], nil, nil),
+		rewardmanager.ConfigKey: rewardmanager.NewConfig(utils.NewUint64(0), testEthAddrs[0:1], nil, nil),
 	}
 	genesis.Config.AllowFeeRecipients = true // enable this in genesis to test if this is recognized by the reward manager
 	genesisJSON, err := genesis.MarshalJSON()
@@ -2796,7 +2746,7 @@ func TestRewardManagerPrecompileSetRewardAddress(t *testing.T) {
 	// to determine the coinbase for this block before full deactivation in the
 	// next block.
 	require.Equal(t, testAddr, ethBlock.Coinbase())
-	require.True(t, ethBlock.Timestamp().Cmp(big.NewInt(disableTime.Unix())) >= 0)
+	require.GreaterOrEqual(t, int64(ethBlock.Timestamp()), disableTime.Unix())
 
 	vm.clock.Set(vm.clock.Time().Add(3 * time.Hour)) // let time pass to decrease gas price
 	// issue another block to verify that the reward manager is disabled
@@ -2816,7 +2766,7 @@ func TestRewardManagerPrecompileSetRewardAddress(t *testing.T) {
 	// reward manager was disabled at previous block
 	// so this block should revert back to enabling fee recipients
 	require.Equal(t, etherBase, ethBlock.Coinbase())
-	require.True(t, ethBlock.Timestamp().Cmp(big.NewInt(disableTime.Unix())) >= 0)
+	require.GreaterOrEqual(t, int64(ethBlock.Timestamp()), disableTime.Unix())
 
 	// Verify that Blackhole has received fees
 	blkState, err = vm.blockChain.StateAt(ethBlock.Root())
@@ -2831,7 +2781,7 @@ func TestRewardManagerPrecompileAllowFeeRecipients(t *testing.T) {
 	require.NoError(t, genesis.UnmarshalJSON([]byte(genesisJSONSubnetEVM)))
 
 	genesis.Config.GenesisPrecompiles = params.Precompiles{
-		rewardmanager.ConfigKey: rewardmanager.NewConfig(common.Big0, testEthAddrs[0:1], nil, nil),
+		rewardmanager.ConfigKey: rewardmanager.NewConfig(utils.NewUint64(0), testEthAddrs[0:1], nil, nil),
 	}
 	genesis.Config.AllowFeeRecipients = false // disable this in genesis
 	genesisJSON, err := genesis.MarshalJSON()
@@ -2930,7 +2880,7 @@ func TestRewardManagerPrecompileAllowFeeRecipients(t *testing.T) {
 	require.Equal(t, newHead.Head.Hash(), common.Hash(blk.ID()))
 	ethBlock = blk.(*chain.BlockWrapper).Block.(*Block).ethBlock
 	require.Equal(t, etherBase, ethBlock.Coinbase()) // reward address was activated at previous block
-	require.True(t, ethBlock.Timestamp().Cmp(big.NewInt(disableTime.Unix())) >= 0)
+	require.GreaterOrEqual(t, int64(ethBlock.Timestamp()), disableTime.Unix())
 
 	vm.clock.Set(vm.clock.Time().Add(3 * time.Hour)) // let time pass so that gas price is reduced
 	tx2 = types.NewTransaction(uint64(2), testEthAddrs[0], big.NewInt(2), 21000, big.NewInt(testMinGasPrice), nil)
@@ -2947,7 +2897,7 @@ func TestRewardManagerPrecompileAllowFeeRecipients(t *testing.T) {
 	require.Equal(t, newHead.Head.Hash(), common.Hash(blk.ID()))
 	ethBlock = blk.(*chain.BlockWrapper).Block.(*Block).ethBlock
 	require.Equal(t, constants.BlackholeAddr, ethBlock.Coinbase()) // reward address was activated at previous block
-	require.True(t, ethBlock.Timestamp().Cmp(big.NewInt(disableTime.Unix())) >= 0)
+	require.Greater(t, int64(ethBlock.Timestamp()), disableTime.Unix())
 
 	// Verify that Blackhole has received fees
 	blkState, err = vm.blockChain.StateAt(ethBlock.Root())
@@ -3005,7 +2955,7 @@ func TestSkipChainConfigCheckCompatible(t *testing.T) {
 	// is hardcoded to be allowed in core/genesis.go.
 	genesisWithUpgrade := &core.Genesis{}
 	require.NoError(t, json.Unmarshal([]byte(genesisJSONPreSubnetEVM), genesisWithUpgrade))
-	genesisWithUpgrade.Config.SubnetEVMTimestamp = big.NewInt(blk.Timestamp().Unix())
+	genesisWithUpgrade.Config.SubnetEVMTimestamp = utils.TimeToNewUint64(blk.Timestamp())
 	genesisWithUpgradeBytes, err := json.Marshal(genesisWithUpgrade)
 	require.NoError(t, err)
 
@@ -3021,6 +2971,28 @@ func TestSkipChainConfigCheckCompatible(t *testing.T) {
 	require.NoError(t, reinitVM.Shutdown(context.Background()))
 }
 
+func TestMandatoryUpgrades(t *testing.T) {
+	modifiedSubnetEVMGenesis := &core.Genesis{}
+	err := json.Unmarshal([]byte(genesisJSONSubnetEVM), &modifiedSubnetEVMGenesis)
+	require.NoError(t, err)
+	modifiedSubnetEVMGenesis.Config.SubnetEVMTimestamp = utils.NewUint64(1)
+	modifiedSubnetEVMGenesisBytes, err := json.Marshal(modifiedSubnetEVMGenesis)
+	modifiedSubnetEVMGenesisString := string(modifiedSubnetEVMGenesisBytes)
+	require.NoError(t, err)
+	require.Contains(t, modifiedSubnetEVMGenesisString, `"subnetEVMTimestamp":1`)
+	// use modified genesis to set SubnetEVM timestamp to 1
+	_, vm, _, _ := GenesisVM(t, true, modifiedSubnetEVMGenesisString, "", "")
+
+	defer func() {
+		if err := vm.Shutdown(context.Background()); err != nil {
+			t.Fatal(err)
+		}
+	}()
+
+	// modification to genesis for mandatory upgrades should have no effect on the VM
+	require.Equal(t, *vm.chainConfig.SubnetEVMTimestamp, uint64(0))
+}
+
 func TestCrossChainMessagestoVM(t *testing.T) {
 	crossChainCodec := message.CrossChainCodec
 	require := require.New(t)
@@ -3188,26 +3160,63 @@ func TestCrossChainMessagestoVM(t *testing.T) {
 }
 
 func TestSignatureRequestsToVM(t *testing.T) {
-	_, vm, _, _ := GenesisVM(t, true, genesisJSONSubnetEVM, "", "")
+	_, vm, _, appSender := GenesisVM(t, true, genesisJSONSubnetEVM, "", "")
 
 	defer func() {
 		err := vm.Shutdown(context.Background())
 		require.NoError(t, err)
 	}()
 
-	// Generate a SignatureRequest for an unknown message
-	var signatureRequest message.Request = message.SignatureRequest{
-		MessageID: ids.GenerateTestID(),
-	}
-
-	requestBytes, err := message.Codec.Marshal(message.Version, &signatureRequest)
+	// Generate a new warp unsigned message and add to warp backend
+	warpMessage, err := avalancheWarp.NewUnsignedMessage(vm.ctx.NetworkID, vm.ctx.ChainID, []byte{1, 2, 3})
 	require.NoError(t, err)
 
-	// Currently with warp not being initialized we just need to make sure the NoopSignatureRequestHandler does not
-	// panic/crash when sent a SignatureRequest.
-	// TODO: We will need to update the test when warp is initialized to check for expected response.
-	err = vm.Network.AppRequest(context.Background(), ids.GenerateTestNodeID(), 1, time.Now().Add(60*time.Second), requestBytes)
+	// Add the known message and get its signature to confirm.
+	err = vm.warpBackend.AddMessage(warpMessage)
+	require.NoError(t, err)
+	signature, err := vm.warpBackend.GetSignature(warpMessage.ID())
 	require.NoError(t, err)
+
+	tests := map[string]struct {
+		messageID        ids.ID
+		expectedResponse [bls.SignatureLen]byte
+	}{
+		"known": {
+			messageID:        warpMessage.ID(),
+			expectedResponse: signature,
+		},
+		"unknown": {
+			messageID:        ids.GenerateTestID(),
+			expectedResponse: [bls.SignatureLen]byte{},
+		},
+	}
+
+	for name, test := range tests {
+		calledSendAppResponseFn := false
+		appSender.SendAppResponseF = func(ctx context.Context, nodeID ids.NodeID, requestID uint32, responseBytes []byte) error {
+			calledSendAppResponseFn = true
+			var response message.SignatureResponse
+			_, err := message.Codec.Unmarshal(responseBytes, &response)
+			require.NoError(t, err)
+			require.Equal(t, test.expectedResponse, response.Signature)
+
+			return nil
+		}
+		t.Run(name, func(t *testing.T) {
+			var signatureRequest message.Request = message.SignatureRequest{
+				MessageID: test.messageID,
+			}
+
+			requestBytes, err := message.Codec.Marshal(message.Version, &signatureRequest)
+			require.NoError(t, err)
+
+			// Send the app request and make sure we called SendAppResponseFn
+			deadline := time.Now().Add(60 * time.Second)
+			err = vm.Network.AppRequest(context.Background(), ids.GenerateTestNodeID(), 1, deadline, requestBytes)
+			require.NoError(t, err)
+			require.True(t, calledSendAppResponseFn)
+		})
+	}
 }
 
 func createValidatorPrivateKeyIfNotExists() {
diff --git a/plugin/evm/vm_upgrade_bytes_test.go b/plugin/evm/vm_upgrade_bytes_test.go
index 83d608bea8..ed67dc80a0 100644
--- a/plugin/evm/vm_upgrade_bytes_test.go
+++ b/plugin/evm/vm_upgrade_bytes_test.go
@@ -20,6 +20,7 @@ import (
 	"github.com/ava-labs/subnet-evm/metrics"
 	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ava-labs/subnet-evm/precompile/contracts/txallowlist"
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ava-labs/subnet-evm/vmerrs"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
@@ -35,7 +36,7 @@ func TestVMUpgradeBytesPrecompile(t *testing.T) {
 	upgradeConfig := &params.UpgradeConfig{
 		PrecompileUpgrades: []params.PrecompileUpgrade{
 			{
-				Config: txallowlist.NewConfig(big.NewInt(enableAllowListTimestamp.Unix()), testEthAddrs[0:1], nil),
+				Config: txallowlist.NewConfig(utils.TimeToNewUint64(enableAllowListTimestamp), testEthAddrs[0:1], nil),
 			},
 		},
 	}
@@ -78,7 +79,7 @@ func TestVMUpgradeBytesPrecompile(t *testing.T) {
 	upgradeConfig.PrecompileUpgrades = append(
 		upgradeConfig.PrecompileUpgrades,
 		params.PrecompileUpgrade{
-			Config: txallowlist.NewDisableConfig(big.NewInt(disableAllowListTimestamp.Unix())),
+			Config: txallowlist.NewDisableConfig(utils.TimeToNewUint64(disableAllowListTimestamp)),
 		},
 	)
 	upgradeBytesJSON, err = json.Marshal(upgradeConfig)
@@ -136,7 +137,7 @@ func TestVMUpgradeBytesPrecompile(t *testing.T) {
 	assert.Equal(t, signedTx0.Hash(), txs[0].Hash())
 
 	// verify the issued block is after the network upgrade
-	assert.True(t, block.Timestamp().Cmp(big.NewInt(disableAllowListTimestamp.Unix())) >= 0)
+	assert.GreaterOrEqual(t, int64(block.Timestamp()), disableAllowListTimestamp.Unix())
 
 	<-newTxPoolHeadChan // wait for new head in tx pool
 
@@ -158,126 +159,97 @@ func TestVMUpgradeBytesPrecompile(t *testing.T) {
 	assert.Equal(t, signedTx1.Hash(), txs[0].Hash())
 }
 
-func TestVMUpgradeBytesNetworkUpgrades(t *testing.T) {
-	// Hack: registering metrics uses global variables, so we need to disable metrics here so that we can initialize the VM twice.
-	metrics.Enabled = false
-	defer func() {
-		metrics.Enabled = true
-	}()
-
-	// Get a json specifying a Network upgrade at genesis
-	// to apply as upgradeBytes.
-	subnetEVMTimestamp := time.Unix(10, 0)
-	upgradeConfig := &params.UpgradeConfig{
-		NetworkUpgrades: &params.NetworkUpgrades{
-			SubnetEVMTimestamp: big.NewInt(subnetEVMTimestamp.Unix()),
-		},
-	}
-	upgradeBytesJSON, err := json.Marshal(upgradeConfig)
-	if err != nil {
-		t.Fatalf("could not marshal upgradeConfig to json: %s", err)
-	}
-	configJSON := "{\"skip-subnet-evm-upgrade-check\": true}"
-
-	// initialize the VM with these upgrade bytes
-	issuer, vm, dbManager, appSender := GenesisVM(t, true, genesisJSONPreSubnetEVM, configJSON, string(upgradeBytesJSON))
-	vm.clock.Set(subnetEVMTimestamp)
-
-	// verify upgrade is applied
-	if !vm.chainConfig.IsSubnetEVM(big.NewInt(subnetEVMTimestamp.Unix())) {
-		t.Fatal("expected subnet-evm network upgrade to have been enabled")
-	}
-
-	// Submit a successful transaction and build a block to move the chain head past the SubnetEVMTimestamp network upgrade
-	tx0 := types.NewTransaction(uint64(0), testEthAddrs[0], big.NewInt(1), 21000, big.NewInt(testMinGasPrice), nil)
-	signedTx0, err := types.SignTx(tx0, types.NewEIP155Signer(vm.chainConfig.ChainID), testKeys[0])
-	assert.NoError(t, err)
-	errs := vm.txPool.AddRemotesSync([]*types.Transaction{signedTx0})
-	if err := errs[0]; err != nil {
-		t.Fatalf("Failed to add tx at index: %s", err)
-	}
-
-	issueAndAccept(t, issuer, vm) // make a block
-
-	if err := vm.Shutdown(context.Background()); err != nil {
-		t.Fatal(err)
-	}
-
-	// VM should not start again without proper upgrade bytes.
-	createValidatorPrivateKeyIfNotExists()
-	err = vm.Initialize(context.Background(), vm.ctx, dbManager, []byte(genesisJSONPreSubnetEVM), []byte{}, []byte{}, issuer, []*commonEng.Fx{}, appSender)
-	assert.ErrorContains(t, err, "mismatching SubnetEVM fork block timestamp in database")
-
-	// VM should not start if fork is moved back
-	upgradeConfig.NetworkUpgrades.SubnetEVMTimestamp = big.NewInt(2)
-	upgradeBytesJSON, err = json.Marshal(upgradeConfig)
-	if err != nil {
-		t.Fatalf("could not marshal upgradeConfig to json: %s", err)
-	}
-	err = vm.Initialize(context.Background(), vm.ctx, dbManager, []byte(genesisJSONPreSubnetEVM), upgradeBytesJSON, []byte{}, issuer, []*commonEng.Fx{}, appSender)
-	assert.ErrorContains(t, err, "mismatching SubnetEVM fork block timestamp in database")
-
-	// VM should not start if fork is moved forward
-	upgradeConfig.NetworkUpgrades.SubnetEVMTimestamp = big.NewInt(30)
-	upgradeBytesJSON, err = json.Marshal(upgradeConfig)
-	if err != nil {
-		t.Fatalf("could not marshal upgradeConfig to json: %s", err)
-	}
-	err = vm.Initialize(context.Background(), vm.ctx, dbManager, []byte(genesisJSONPreSubnetEVM), upgradeBytesJSON, []byte{}, issuer, []*commonEng.Fx{}, appSender)
-	assert.ErrorContains(t, err, "mismatching SubnetEVM fork block timestamp in database")
-}
+// func TestVMUpgradeBytesOptionalNetworkUpgrades(t *testing.T) {
+// 	tests := []struct {
+// 		name           string
+// 		setTimestampFn func(upgrade *params.UpgradeConfig, timestamp *big.Int)
+// 		checkUpgradeFn func(config *params.ChainConfig, blockTimestamp *big.Int) bool
+// 	}{
+// 		{
+// 			name: "Test",
+// 			setTimestampFn: func(upgrade *params.UpgradeConfig, timestamp *big.Int) {
+// 				upgrade.OptionalNetworkUpgrades.TestTimestamp = timestamp
+// 			},
+// 			checkUpgradeFn: func(config *params.ChainConfig, blockTimestamp *big.Int) bool {
+// 				return config.IsTest(blockTimestamp)
+// 			},
+// 		},
+// 	}
+// 	// Hack: registering metrics uses global variables, so we need to disable metrics here so that we can initialize the VM twice.
+// 	metrics.Enabled = false
+// 	defer func() {
+// 		metrics.Enabled = true
+// 	}()
+// 	for _, test := range tests {
+// 		t.Run(test.name, func(t *testing.T) {
+// 			// Get a json specifying a Network upgrade at genesis
+// 			// to apply as upgradeBytes.
+// 			testTimestamp := time.Unix(10, 0)
+// 			upgradeConfig := &params.UpgradeConfig{
+// 				OptionalNetworkUpgrades: &params.OptionalNetworkUpgrades{},
+// 			}
+// 			test.setTimestampFn(upgradeConfig, big.NewInt(testTimestamp.Unix()))
+// 			upgradeBytesJSON, err := json.Marshal(upgradeConfig)
+// 			require.NoError(t, err)
+
+// 			// initialize the VM with these upgrade bytes
+// 			issuer, vm, dbManager, appSender := GenesisVM(t, true, genesisJSONPreSubnetEVM, "", string(upgradeBytesJSON))
+// 			vm.clock.Set(testTimestamp)
+
+// 			// verify upgrade is applied
+// 			require.True(t, test.checkUpgradeFn(vm.chainConfig, big.NewInt(testTimestamp.Unix())))
+
+// 			// Submit a successful transaction and build a block to move the chain head past the SubnetEVMTimestamp network upgrade
+// 			tx0 := types.NewTransaction(uint64(0), testEthAddrs[0], big.NewInt(1), 21000, big.NewInt(testMinGasPrice), nil)
+// 			signedTx0, err := types.SignTx(tx0, types.NewEIP155Signer(vm.chainConfig.ChainID), testKeys[0])
+// 			require.NoError(t, err)
+// 			errs := vm.txPool.AddRemotesSync([]*types.Transaction{signedTx0})
+// 			require.NoError(t, errs[0])
+
+// 			issueAndAccept(t, issuer, vm) // make a block
+
+// 			require.NoError(t, vm.Shutdown(context.Background()))
+// 			// VM should not start again without proper upgrade bytes.
+// 			err = vm.Initialize(context.Background(), vm.ctx, dbManager, []byte(genesisJSONPreSubnetEVM), []byte{}, []byte{}, issuer, []*commonEng.Fx{}, appSender)
+// 			require.ErrorContains(t, err, fmt.Sprintf("mismatching %s fork block timestamp in database", test.name))
+
+// 			// VM should not start if fork is moved back
+// 			test.setTimestampFn(upgradeConfig, big.NewInt(2))
+// 			upgradeBytesJSON, err = json.Marshal(upgradeConfig)
+// 			require.NoError(t, err)
+// 			err = vm.Initialize(context.Background(), vm.ctx, dbManager, []byte(genesisJSONPreSubnetEVM), upgradeBytesJSON, []byte{}, issuer, []*commonEng.Fx{}, appSender)
+// 			require.ErrorContains(t, err, fmt.Sprintf("mismatching %s fork block timestamp in database", test.name))
+
+// 			// VM should not start if fork is moved forward
+// 			test.setTimestampFn(upgradeConfig, big.NewInt(30))
+// 			upgradeBytesJSON, err = json.Marshal(upgradeConfig)
+// 			require.NoError(t, err)
+// 			err = vm.Initialize(context.Background(), vm.ctx, dbManager, []byte(genesisJSONPreSubnetEVM), upgradeBytesJSON, []byte{}, issuer, []*commonEng.Fx{}, appSender)
+// 			require.ErrorContains(t, err, fmt.Sprintf("mismatching %s fork block timestamp in database", test.name))
+// 		})
+// 	}
+// }
 
 func TestVMUpgradeBytesNetworkUpgradesWithGenesis(t *testing.T) {
 	// make genesis w/ fork at block 5
+	// but this should not be used because we are enforcing
+	// network upgrades within the code
 	var genesis core.Genesis
 	if err := json.Unmarshal([]byte(genesisJSONPreSubnetEVM), &genesis); err != nil {
 		t.Fatalf("could not unmarshal genesis bytes: %s", err)
 	}
-	genesisSubnetEVMTimestamp := big.NewInt(5)
+	genesisSubnetEVMTimestamp := utils.NewUint64(5)
 	genesis.Config.SubnetEVMTimestamp = genesisSubnetEVMTimestamp
 	genesisBytes, err := json.Marshal(&genesis)
 	if err != nil {
 		t.Fatalf("could not unmarshal genesis bytes: %s", err)
 	}
 
-	// Get a json specifying a Network upgrade at genesis
-	// to apply as upgradeBytes.
-	subnetEVMTimestamp := time.Unix(10, 0)
-	upgradeConfig := &params.UpgradeConfig{
-		NetworkUpgrades: &params.NetworkUpgrades{
-			SubnetEVMTimestamp: big.NewInt(subnetEVMTimestamp.Unix()),
-		},
-	}
-	upgradeBytesJSON, err := json.Marshal(upgradeConfig)
-	if err != nil {
-		t.Fatalf("could not marshal upgradeConfig to json: %s", err)
-	}
-	configJSON := "{\"skip-subnet-evm-upgrade-check\": true}"
-
 	// initialize the VM with these upgrade bytes
-	_, vm, _, _ := GenesisVM(t, true, string(genesisBytes), configJSON, string(upgradeBytesJSON))
+	_, vm, _, _ := GenesisVM(t, true, string(genesisBytes), "", "")
 
 	// verify upgrade is rescheduled
-	assert.False(t, vm.chainConfig.IsSubnetEVM(genesisSubnetEVMTimestamp))
-	assert.True(t, vm.chainConfig.IsSubnetEVM(big.NewInt(subnetEVMTimestamp.Unix())))
-
-	if err := vm.Shutdown(context.Background()); err != nil {
-		t.Fatal(err)
-	}
-
-	// abort a fork specified in genesis
-	upgradeConfig.NetworkUpgrades.SubnetEVMTimestamp = nil
-	upgradeBytesJSON, err = json.Marshal(upgradeConfig)
-	if err != nil {
-		t.Fatalf("could not marshal upgradeConfig to json: %s", err)
-	}
-
-	// initialize the VM with these upgrade bytes
-	_, vm, _, _ = GenesisVM(t, true, string(genesisBytes), configJSON, string(upgradeBytesJSON))
-
-	// verify upgrade is aborted
-	assert.False(t, vm.chainConfig.IsSubnetEVM(genesisSubnetEVMTimestamp))
-	assert.False(t, vm.chainConfig.IsSubnetEVM(big.NewInt(subnetEVMTimestamp.Unix())))
+	require.True(t, vm.chainConfig.IsSubnetEVM(0))
 
 	if err := vm.Shutdown(context.Background()); err != nil {
 		t.Fatal(err)
diff --git a/plugin/evm/vm_warp_test.go b/plugin/evm/vm_warp_test.go
new file mode 100644
index 0000000000..84c92dbea2
--- /dev/null
+++ b/plugin/evm/vm_warp_test.go
@@ -0,0 +1,317 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package evm
+
+import (
+	"context"
+	"errors"
+	"math/big"
+	"testing"
+	"time"
+
+	"github.com/ava-labs/avalanchego/ids"
+	"github.com/ava-labs/avalanchego/snow/choices"
+	"github.com/ava-labs/avalanchego/snow/engine/snowman/block"
+	"github.com/ava-labs/avalanchego/snow/validators"
+	"github.com/ava-labs/avalanchego/utils"
+	"github.com/ava-labs/avalanchego/utils/crypto/bls"
+	"github.com/ava-labs/avalanchego/utils/set"
+	"github.com/ava-labs/avalanchego/vms/components/chain"
+	avalancheWarp "github.com/ava-labs/avalanchego/vms/platformvm/warp"
+	"github.com/ava-labs/subnet-evm/core"
+	"github.com/ava-labs/subnet-evm/core/rawdb"
+	"github.com/ava-labs/subnet-evm/core/types"
+	"github.com/ava-labs/subnet-evm/internal/ethapi"
+	"github.com/ava-labs/subnet-evm/params"
+	"github.com/ava-labs/subnet-evm/rpc"
+	subnetEVMUtils "github.com/ava-labs/subnet-evm/utils"
+	predicateutils "github.com/ava-labs/subnet-evm/utils/predicate"
+	warpPayload "github.com/ava-labs/subnet-evm/warp/payload"
+	"github.com/ava-labs/subnet-evm/x/warp"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/stretchr/testify/require"
+)
+
+func TestSendWarpMessage(t *testing.T) {
+	require := require.New(t)
+	genesis := &core.Genesis{}
+	require.NoError(genesis.UnmarshalJSON([]byte(genesisJSONSubnetEVM)))
+	genesis.Config.GenesisPrecompiles = params.Precompiles{
+		warp.ConfigKey: warp.NewDefaultConfig(subnetEVMUtils.NewUint64(0)),
+	}
+	genesisJSON, err := genesis.MarshalJSON()
+	require.NoError(err)
+	issuer, vm, _, _ := GenesisVM(t, true, string(genesisJSON), "", "")
+
+	defer func() {
+		require.NoError(vm.Shutdown(context.Background()))
+	}()
+
+	acceptedLogsChan := make(chan []*types.Log, 10)
+	logsSub := vm.eth.APIBackend.SubscribeAcceptedLogsEvent(acceptedLogsChan)
+	defer logsSub.Unsubscribe()
+
+	payload := utils.RandomBytes(100)
+
+	warpSendMessageInput, err := warp.PackSendWarpMessage(warp.SendWarpMessageInput{
+		DestinationChainID: common.Hash(vm.ctx.CChainID),
+		DestinationAddress: testEthAddrs[1],
+		Payload:            payload,
+	})
+	require.NoError(err)
+
+	// Submit a transaction to trigger sending a warp message
+	tx0 := types.NewTransaction(uint64(0), warp.ContractAddress, big.NewInt(1), 100_000, big.NewInt(testMinGasPrice), warpSendMessageInput)
+	signedTx0, err := types.SignTx(tx0, types.LatestSignerForChainID(vm.chainConfig.ChainID), testKeys[0])
+	require.NoError(err)
+
+	errs := vm.txPool.AddRemotesSync([]*types.Transaction{signedTx0})
+	require.NoError(errs[0])
+
+	<-issuer
+	blk, err := vm.BuildBlock(context.Background())
+	require.NoError(err)
+
+	require.NoError(blk.Verify(context.Background()))
+
+	require.Equal(choices.Processing, blk.Status())
+
+	// Verify that the constructed block contains the expected log with an unsigned warp message in the log data
+	ethBlock1 := blk.(*chain.BlockWrapper).Block.(*Block).ethBlock
+	require.Len(ethBlock1.Transactions(), 1)
+	receipts := rawdb.ReadReceipts(vm.chaindb, ethBlock1.Hash(), ethBlock1.NumberU64(), vm.chainConfig)
+	require.Len(receipts, 1)
+
+	require.Len(receipts[0].Logs, 1)
+	expectedTopics := []common.Hash{
+		warp.WarpABI.Events["SendWarpMessage"].ID,
+		common.Hash(vm.ctx.CChainID),
+		testEthAddrs[1].Hash(),
+		testEthAddrs[0].Hash(),
+	}
+	require.Equal(expectedTopics, receipts[0].Logs[0].Topics)
+	logData := receipts[0].Logs[0].Data
+	unsignedMessage, err := avalancheWarp.ParseUnsignedMessage(logData)
+	require.NoError(err)
+	unsignedMessageID := unsignedMessage.ID()
+
+	// Verify the signature cannot be fetched before the block is accepted
+	_, err = vm.warpBackend.GetSignature(unsignedMessageID)
+	require.Error(err)
+
+	require.NoError(vm.SetPreference(context.Background(), blk.ID()))
+	require.NoError(blk.Accept(context.Background()))
+	vm.blockChain.DrainAcceptorQueue()
+	rawSignatureBytes, err := vm.warpBackend.GetSignature(unsignedMessageID)
+	require.NoError(err)
+	blsSignature, err := bls.SignatureFromBytes(rawSignatureBytes[:])
+	require.NoError(err)
+
+	select {
+	case acceptedLogs := <-acceptedLogsChan:
+		require.Len(acceptedLogs, 1, "unexpected length of accepted logs")
+		require.Equal(acceptedLogs[0], receipts[0].Logs[0])
+	case <-time.After(time.Second):
+		require.Fail("Failed to read accepted logs from subscription")
+	}
+
+	// Verify the produced signature is valid
+	require.True(bls.Verify(vm.ctx.PublicKey, blsSignature, unsignedMessage.Bytes()))
+}
+
+func TestReceiveWarpMessage(t *testing.T) {
+	require := require.New(t)
+	genesis := &core.Genesis{}
+	require.NoError(genesis.UnmarshalJSON([]byte(genesisJSONSubnetEVM)))
+	genesis.Config.GenesisPrecompiles = params.Precompiles{
+		warp.ConfigKey: warp.NewDefaultConfig(subnetEVMUtils.NewUint64(0)),
+	}
+	genesisJSON, err := genesis.MarshalJSON()
+	require.NoError(err)
+	issuer, vm, _, _ := GenesisVM(t, true, string(genesisJSON), "", "")
+
+	defer func() {
+		require.NoError(vm.Shutdown(context.Background()))
+	}()
+
+	acceptedLogsChan := make(chan []*types.Log, 10)
+	logsSub := vm.eth.APIBackend.SubscribeAcceptedLogsEvent(acceptedLogsChan)
+	defer logsSub.Unsubscribe()
+
+	payload := utils.RandomBytes(100)
+
+	addressedPayload, err := warpPayload.NewAddressedPayload(
+		testEthAddrs[0],
+		common.Hash(vm.ctx.CChainID),
+		testEthAddrs[1],
+		payload,
+	)
+	require.NoError(err)
+	unsignedMessage, err := avalancheWarp.NewUnsignedMessage(
+		vm.ctx.NetworkID,
+		vm.ctx.ChainID,
+		addressedPayload.Bytes(),
+	)
+	require.NoError(err)
+
+	nodeID1 := ids.GenerateTestNodeID()
+	blsSecretKey1, err := bls.NewSecretKey()
+	require.NoError(err)
+	blsPublicKey1 := bls.PublicFromSecretKey(blsSecretKey1)
+	blsSignature1 := bls.Sign(blsSecretKey1, unsignedMessage.Bytes())
+
+	nodeID2 := ids.GenerateTestNodeID()
+	blsSecretKey2, err := bls.NewSecretKey()
+	require.NoError(err)
+	blsPublicKey2 := bls.PublicFromSecretKey(blsSecretKey2)
+	blsSignature2 := bls.Sign(blsSecretKey2, unsignedMessage.Bytes())
+
+	blsAggregatedSignature, err := bls.AggregateSignatures([]*bls.Signature{blsSignature1, blsSignature2})
+	require.NoError(err)
+
+	vm.ctx.ValidatorState = &validators.TestState{
+		GetSubnetIDF: func(ctx context.Context, chainID ids.ID) (ids.ID, error) {
+			return ids.Empty, nil
+		},
+		GetValidatorSetF: func(ctx context.Context, height uint64, subnetID ids.ID) (map[ids.NodeID]*validators.GetValidatorOutput, error) {
+			return map[ids.NodeID]*validators.GetValidatorOutput{
+				nodeID1: {
+					NodeID:    nodeID1,
+					PublicKey: blsPublicKey1,
+					Weight:    50,
+				},
+				nodeID2: {
+					NodeID:    nodeID2,
+					PublicKey: blsPublicKey2,
+					Weight:    50,
+				},
+			}, nil
+		},
+	}
+
+	signersBitSet := set.NewBits()
+	signersBitSet.Add(0)
+	signersBitSet.Add(1)
+
+	warpSignature := &avalancheWarp.BitSetSignature{
+		Signers: signersBitSet.Bytes(),
+	}
+
+	blsAggregatedSignatureBytes := bls.SignatureToBytes(blsAggregatedSignature)
+	copy(warpSignature.Signature[:], blsAggregatedSignatureBytes)
+
+	signedMessage, err := avalancheWarp.NewMessage(
+		unsignedMessage,
+		warpSignature,
+	)
+	require.NoError(err)
+
+	getWarpMsgInput, err := warp.PackGetVerifiedWarpMessage()
+	require.NoError(err)
+	getVerifiedWarpMessageTx, err := types.SignTx(
+		predicateutils.NewPredicateTx(
+			vm.chainConfig.ChainID,
+			0,
+			&warp.Module.Address,
+			1_000_000,
+			big.NewInt(225*params.GWei),
+			big.NewInt(params.GWei),
+			common.Big0,
+			getWarpMsgInput,
+			types.AccessList{},
+			warp.ContractAddress,
+			signedMessage.Bytes(),
+		),
+		types.LatestSignerForChainID(vm.chainConfig.ChainID),
+		testKeys[0],
+	)
+	require.NoError(err)
+	errs := vm.txPool.AddRemotesSync([]*types.Transaction{getVerifiedWarpMessageTx})
+	for i, err := range errs {
+		require.NoError(err, "failed to add tx at index %d", i)
+	}
+
+	expectedOutput, err := warp.PackGetVerifiedWarpMessageOutput(warp.GetVerifiedWarpMessageOutput{
+		Message: warp.WarpMessage{
+			OriginChainID:       common.Hash(vm.ctx.ChainID),
+			OriginSenderAddress: testEthAddrs[0],
+			DestinationChainID:  common.Hash(vm.ctx.CChainID),
+			DestinationAddress:  testEthAddrs[1],
+			Payload:             payload,
+		},
+		Exists: true,
+	})
+	require.NoError(err)
+
+	// Assert that DoCall returns the expected output
+	hexGetWarpMsgInput := hexutil.Bytes(getVerifiedWarpMessageTx.Data())
+	hexGasLimit := hexutil.Uint64(getVerifiedWarpMessageTx.Gas())
+	accessList := getVerifiedWarpMessageTx.AccessList()
+	blockNum := new(rpc.BlockNumber)
+	*blockNum = rpc.LatestBlockNumber
+
+	executionRes, err := ethapi.DoCall(
+		context.Background(),
+		vm.eth.APIBackend,
+		ethapi.TransactionArgs{
+			To:         getVerifiedWarpMessageTx.To(),
+			Input:      &hexGetWarpMsgInput,
+			AccessList: &accessList,
+			Gas:        &hexGasLimit,
+		},
+		rpc.BlockNumberOrHash{BlockNumber: blockNum},
+		nil,
+		time.Second,
+		10_000_000,
+	)
+	require.NoError(err)
+	require.NoError(executionRes.Err)
+	require.Equal(expectedOutput, executionRes.ReturnData)
+
+	// Build, verify, and accept block with valid proposer context.
+	validProposerCtx := &block.Context{
+		PChainHeight: 10,
+	}
+	vm.clock.Set(vm.clock.Time().Add(2 * time.Second))
+	<-issuer
+
+	block2, err := vm.BuildBlockWithContext(context.Background(), validProposerCtx)
+	require.NoError(err)
+
+	block2VerifyWithCtx, ok := block2.(block.WithVerifyContext)
+	require.True(ok)
+	shouldVerifyWithCtx, err := block2VerifyWithCtx.ShouldVerifyWithContext(context.Background())
+	require.NoError(err)
+	require.True(shouldVerifyWithCtx)
+	require.NoError(block2VerifyWithCtx.VerifyWithContext(context.Background(), validProposerCtx))
+	require.Equal(choices.Processing, block2.Status())
+	require.NoError(vm.SetPreference(context.Background(), block2.ID()))
+
+	// Verify the block with another valid context
+	require.NoError(block2VerifyWithCtx.VerifyWithContext(context.Background(), &block.Context{
+		PChainHeight: 11,
+	}))
+	require.Equal(choices.Processing, block2.Status())
+
+	// Verify the block with a different context and modified ValidatorState so that it should fail verification
+	testErr := errors.New("test error")
+	vm.ctx.ValidatorState.(*validators.TestState).GetValidatorSetF = func(ctx context.Context, height uint64, subnetID ids.ID) (map[ids.NodeID]*validators.GetValidatorOutput, error) {
+		return nil, testErr
+	}
+	require.ErrorIs(block2VerifyWithCtx.VerifyWithContext(context.Background(), &block.Context{
+		PChainHeight: 9,
+	}), testErr)
+	require.Equal(choices.Processing, block2.Status())
+
+	// Accept the block after performing multiple VerifyWithContext operations
+	require.NoError(block2.Accept(context.Background()))
+	vm.blockChain.DrainAcceptorQueue()
+
+	ethBlock := block2.(*chain.BlockWrapper).Block.(*Block).ethBlock
+	verifiedMessageReceipts := vm.blockChain.GetReceiptsByHash(ethBlock.Hash())
+	require.Len(verifiedMessageReceipts, 1)
+	verifiedMessageTxReceipt := verifiedMessageReceipts[0]
+	require.Equal(types.ReceiptStatusSuccessful, verifiedMessageTxReceipt.Status)
+}
diff --git a/precompile/allowlist/allowlist_test.go b/precompile/allowlist/allowlist_test.go
index 5ae172a06a..56ce2714b6 100644
--- a/precompile/allowlist/allowlist_test.go
+++ b/precompile/allowlist/allowlist_test.go
@@ -4,13 +4,13 @@
 package allowlist
 
 import (
-	"math/big"
 	"testing"
 
 	"github.com/ava-labs/subnet-evm/core/state"
 	"github.com/ava-labs/subnet-evm/precompile/contract"
 	"github.com/ava-labs/subnet-evm/precompile/modules"
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ethereum/go-ethereum/common"
 )
 
@@ -25,9 +25,9 @@ type dummyConfig struct {
 	AllowListConfig
 }
 
-func (d *dummyConfig) Key() string         { return "dummy" }
-func (d *dummyConfig) Timestamp() *big.Int { return common.Big0 }
-func (d *dummyConfig) IsDisabled() bool    { return false }
+func (d *dummyConfig) Key() string        { return "dummy" }
+func (d *dummyConfig) Timestamp() *uint64 { return utils.NewUint64(0) }
+func (d *dummyConfig) IsDisabled() bool   { return false }
 func (d *dummyConfig) Equal(cfg precompileconfig.Config) bool {
 	other, ok := (cfg).(*dummyConfig)
 	if !ok {
diff --git a/precompile/allowlist/test_allowlist.go b/precompile/allowlist/test_allowlist.go
index 8012d2e95c..d0a3811e0c 100644
--- a/precompile/allowlist/test_allowlist.go
+++ b/precompile/allowlist/test_allowlist.go
@@ -264,11 +264,7 @@ func RunPrecompileWithAllowListTests(t *testing.T, module modules.Module, newSta
 		tests[name] = test
 	}
 
-	for name, test := range tests {
-		t.Run(name, func(t *testing.T) {
-			test.Run(t, module, newStateDB(t))
-		})
-	}
+	testutils.RunPrecompileTests(t, module, newStateDB, tests)
 }
 
 func BenchPrecompileWithAllowList(b *testing.B, module modules.Module, newStateDB func(t testing.TB) contract.StateDB, contractTests map[string]testutils.PrecompileTest) {
diff --git a/precompile/contract/interfaces.go b/precompile/contract/interfaces.go
index 0432c939b6..1321789795 100644
--- a/precompile/contract/interfaces.go
+++ b/precompile/contract/interfaces.go
@@ -44,7 +44,9 @@ type StateDB interface {
 	Exist(common.Address) bool
 
 	AddLog(addr common.Address, topics []common.Hash, data []byte, blockNumber uint64)
+	GetLogData() [][]byte
 	GetPredicateStorageSlots(address common.Address) ([]byte, bool)
+	SetPredicateStorageSlots(address common.Address, predicate []byte)
 
 	Suicide(common.Address) bool
 	Finalise(deleteEmptyObjects bool)
@@ -58,15 +60,13 @@ type AccessibleState interface {
 	GetStateDB() StateDB
 	GetBlockContext() BlockContext
 	GetSnowContext() *snow.Context
-	CallFromPrecompile(caller common.Address, addr common.Address, input []byte, gas uint64, value *big.Int) (ret []byte, leftOverGas uint64, err error)
 }
 
-// BlockContext defines an interface that provides information to a stateful precompile
-// about the block that activates the upgrade. The precompile can access this information
-// to initialize its state.
+// BlockContext defines an interface that provides information to a stateful precompile about the
+// current block. The BlockContext may be provided during both precompile activation and execution.
 type BlockContext interface {
 	Number() *big.Int
-	Timestamp() *big.Int
+	Timestamp() uint64
 }
 
 type Configurator interface {
diff --git a/precompile/contract/mock_interfaces.go b/precompile/contract/mock_interfaces.go
index aa4a9dcfaa..91c3a8c211 100644
--- a/precompile/contract/mock_interfaces.go
+++ b/precompile/contract/mock_interfaces.go
@@ -8,7 +8,6 @@ import (
 
 	"github.com/ava-labs/avalanchego/snow"
 	"github.com/ava-labs/subnet-evm/commontype"
-	"github.com/ethereum/go-ethereum/common"
 )
 
 // TODO: replace with gomock library
@@ -30,8 +29,8 @@ func NewMockBlockContext(blockNumber *big.Int, timestamp uint64) *mockBlockConte
 	}
 }
 
-func (mb *mockBlockContext) Number() *big.Int    { return mb.blockNumber }
-func (mb *mockBlockContext) Timestamp() *big.Int { return new(big.Int).SetUint64(mb.timestamp) }
+func (mb *mockBlockContext) Number() *big.Int  { return mb.blockNumber }
+func (mb *mockBlockContext) Timestamp() uint64 { return mb.timestamp }
 
 type mockAccessibleState struct {
 	state        StateDB
@@ -53,10 +52,6 @@ func (m *mockAccessibleState) GetBlockContext() BlockContext { return m.blockCon
 
 func (m *mockAccessibleState) GetSnowContext() *snow.Context { return m.snowContext }
 
-func (m *mockAccessibleState) CallFromPrecompile(caller common.Address, addr common.Address, input []byte, gas uint64, value *big.Int) (ret []byte, leftOverGas uint64, err error) {
-	return nil, 0, nil
-}
-
 type mockChainState struct {
 	feeConfig            commontype.FeeConfig
 	allowedFeeRecipients bool
diff --git a/precompile/contracts/bibliophile/IOCOrders.go b/precompile/contracts/bibliophile/IOCOrders.go
index 7fa2ec4f9d..8ce74aeeff 100644
--- a/precompile/contracts/bibliophile/IOCOrders.go
+++ b/precompile/contracts/bibliophile/IOCOrders.go
@@ -10,8 +10,7 @@ import (
 )
 
 const (
-	IOC_ORDERBOOK_ADDRESS = "0x635c5F96989a4226953FE6361f12B96c5d50289b" // hubblenext
-	// IOC_ORDERBOOK_ADDRESS         = "0x0300000000000000000000000000000000000006" // on fresh deployments
+	IOC_ORDERBOOK_ADDRESS         = "0x635c5F96989a4226953FE6361f12B96c5d50289b"
 	IOC_ORDER_INFO_SLOT     int64 = 53
 	IOC_EXPIRATION_CAP_SLOT int64 = 54
 )
diff --git a/precompile/contracts/bibliophile/config.go b/precompile/contracts/bibliophile/config.go
index d15d505edf..6f3a8eb2a8 100644
--- a/precompile/contracts/bibliophile/config.go
+++ b/precompile/contracts/bibliophile/config.go
@@ -5,8 +5,6 @@
 package bibliophile
 
 import (
-	"math/big"
-
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
 )
 
@@ -22,7 +20,7 @@ type Config struct {
 
 // NewConfig returns a config for a network upgrade at [blockTimestamp] that enables
 // HubbleBibliophile.
-func NewConfig(blockTimestamp *big.Int) *Config {
+func NewConfig(blockTimestamp *uint64) *Config {
 	return &Config{
 		Upgrade: precompileconfig.Upgrade{BlockTimestamp: blockTimestamp},
 	}
@@ -30,7 +28,7 @@ func NewConfig(blockTimestamp *big.Int) *Config {
 
 // NewDisableConfig returns config for a network upgrade at [blockTimestamp]
 // that disables HubbleBibliophile.
-func NewDisableConfig(blockTimestamp *big.Int) *Config {
+func NewDisableConfig(blockTimestamp *uint64) *Config {
 	return &Config{
 		Upgrade: precompileconfig.Upgrade{
 			BlockTimestamp: blockTimestamp,
diff --git a/precompile/contracts/bibliophile/config_test.go b/precompile/contracts/bibliophile/config_test.go
index f300873a06..d2420c4f06 100644
--- a/precompile/contracts/bibliophile/config_test.go
+++ b/precompile/contracts/bibliophile/config_test.go
@@ -5,24 +5,24 @@
 package bibliophile
 
 import (
-	"math/big"
 	"testing"
 
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
 	"github.com/ava-labs/subnet-evm/precompile/testutils"
+	"github.com/ava-labs/subnet-evm/utils"
 )
 
 // TestVerify tests the verification of Config.
 func TestVerify(t *testing.T) {
 	tests := map[string]testutils.ConfigVerifyTest{
 		"valid config": {
-			Config:        NewConfig(big.NewInt(3)),
+			Config:        NewConfig(utils.NewUint64(3)),
 			ExpectedError: "",
 		},
 		// CUSTOM CODE STARTS HERE
 		// Add your own Verify tests here, e.g.:
 		// "your custom test name": {
-		// 	Config: NewConfig(big.NewInt(3),),
+		// 	Config: NewConfig(utils.NewUint64(3),),
 		// 	ExpectedError: ErrYourCustomError.Error(),
 		// },
 	}
@@ -34,23 +34,23 @@ func TestVerify(t *testing.T) {
 func TestEqual(t *testing.T) {
 	tests := map[string]testutils.ConfigEqualTest{
 		"non-nil config and nil other": {
-			Config:   NewConfig(big.NewInt(3)),
+			Config:   NewConfig(utils.NewUint64(3)),
 			Other:    nil,
 			Expected: false,
 		},
 		"different type": {
-			Config:   NewConfig(big.NewInt(3)),
+			Config:   NewConfig(utils.NewUint64(3)),
 			Other:    precompileconfig.NewNoopStatefulPrecompileConfig(),
 			Expected: false,
 		},
 		"different timestamp": {
-			Config:   NewConfig(big.NewInt(3)),
-			Other:    NewConfig(big.NewInt(4)),
+			Config:   NewConfig(utils.NewUint64(3)),
+			Other:    NewConfig(utils.NewUint64(4)),
 			Expected: false,
 		},
 		"same config": {
-			Config:   NewConfig(big.NewInt(3)),
-			Other:    NewConfig(big.NewInt(3)),
+			Config:   NewConfig(utils.NewUint64(3)),
+			Other:    NewConfig(utils.NewUint64(3)),
 			Expected: true,
 		},
 		// CUSTOM CODE STARTS HERE
diff --git a/precompile/contracts/bibliophile/contract.go b/precompile/contracts/bibliophile/contract.go
index 894fee06eb..08a01e8214 100644
--- a/precompile/contracts/bibliophile/contract.go
+++ b/precompile/contracts/bibliophile/contract.go
@@ -134,7 +134,7 @@ func getNotionalPositionAndMargin(accessibleState contract.AccessibleState, call
 	}
 
 	// CUSTOM CODE STARTS HERE
-	output := GetNotionalPositionAndMargin(accessibleState.GetStateDB(), &inputStruct, accessibleState.GetBlockContext().Timestamp())
+	output := GetNotionalPositionAndMargin(accessibleState.GetStateDB(), &inputStruct, new(big.Int).SetUint64(accessibleState.GetBlockContext().Timestamp()))
 	packedOutput, err := PackGetNotionalPositionAndMarginOutput(output)
 	if err != nil {
 		return nil, remainingGas, err
diff --git a/precompile/contracts/deployerallowlist/config.go b/precompile/contracts/deployerallowlist/config.go
index c2d5bf28dd..80e9e64930 100644
--- a/precompile/contracts/deployerallowlist/config.go
+++ b/precompile/contracts/deployerallowlist/config.go
@@ -4,8 +4,6 @@
 package deployerallowlist
 
 import (
-	"math/big"
-
 	"github.com/ava-labs/subnet-evm/precompile/allowlist"
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
 	"github.com/ethereum/go-ethereum/common"
@@ -22,7 +20,7 @@ type Config struct {
 
 // NewConfig returns a config for a network upgrade at [blockTimestamp] that enables
 // ContractDeployerAllowList with [admins] and [enableds] as members of the allowlist.
-func NewConfig(blockTimestamp *big.Int, admins []common.Address, enableds []common.Address) *Config {
+func NewConfig(blockTimestamp *uint64, admins []common.Address, enableds []common.Address) *Config {
 	return &Config{
 		AllowListConfig: allowlist.AllowListConfig{
 			AdminAddresses:   admins,
@@ -34,7 +32,7 @@ func NewConfig(blockTimestamp *big.Int, admins []common.Address, enableds []comm
 
 // NewDisableConfig returns config for a network upgrade at [blockTimestamp]
 // that disables ContractDeployerAllowList.
-func NewDisableConfig(blockTimestamp *big.Int) *Config {
+func NewDisableConfig(blockTimestamp *uint64) *Config {
 	return &Config{
 		Upgrade: precompileconfig.Upgrade{
 			BlockTimestamp: blockTimestamp,
diff --git a/precompile/contracts/deployerallowlist/config_test.go b/precompile/contracts/deployerallowlist/config_test.go
index fd0691dd2e..9deb96e6b1 100644
--- a/precompile/contracts/deployerallowlist/config_test.go
+++ b/precompile/contracts/deployerallowlist/config_test.go
@@ -4,12 +4,12 @@
 package deployerallowlist
 
 import (
-	"math/big"
 	"testing"
 
 	"github.com/ava-labs/subnet-evm/precompile/allowlist"
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
 	"github.com/ava-labs/subnet-evm/precompile/testutils"
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ethereum/go-ethereum/common"
 )
 
@@ -22,7 +22,7 @@ func TestEqual(t *testing.T) {
 	enableds := []common.Address{allowlist.TestEnabledAddr}
 	tests := map[string]testutils.ConfigEqualTest{
 		"non-nil config and nil other": {
-			Config:   NewConfig(big.NewInt(3), admins, enableds),
+			Config:   NewConfig(utils.NewUint64(3), admins, enableds),
 			Other:    nil,
 			Expected: false,
 		},
@@ -32,13 +32,13 @@ func TestEqual(t *testing.T) {
 			Expected: false,
 		},
 		"different timestamp": {
-			Config:   NewConfig(big.NewInt(3), admins, enableds),
-			Other:    NewConfig(big.NewInt(4), admins, enableds),
+			Config:   NewConfig(utils.NewUint64(3), admins, enableds),
+			Other:    NewConfig(utils.NewUint64(4), admins, enableds),
 			Expected: false,
 		},
 		"same config": {
-			Config:   NewConfig(big.NewInt(3), admins, enableds),
-			Other:    NewConfig(big.NewInt(3), admins, enableds),
+			Config:   NewConfig(utils.NewUint64(3), admins, enableds),
+			Other:    NewConfig(utils.NewUint64(3), admins, enableds),
 			Expected: true,
 		},
 	}
diff --git a/precompile/contracts/feemanager/config.go b/precompile/contracts/feemanager/config.go
index 9debfa7b1f..3eba121910 100644
--- a/precompile/contracts/feemanager/config.go
+++ b/precompile/contracts/feemanager/config.go
@@ -4,8 +4,6 @@
 package feemanager
 
 import (
-	"math/big"
-
 	"github.com/ava-labs/subnet-evm/commontype"
 	"github.com/ava-labs/subnet-evm/precompile/allowlist"
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
@@ -25,7 +23,7 @@ type Config struct {
 // NewConfig returns a config for a network upgrade at [blockTimestamp] that enables
 // FeeManager with the given [admins] and [enableds] as members of the
 // allowlist with [initialConfig] as initial fee config if specified.
-func NewConfig(blockTimestamp *big.Int, admins []common.Address, enableds []common.Address, initialConfig *commontype.FeeConfig) *Config {
+func NewConfig(blockTimestamp *uint64, admins []common.Address, enableds []common.Address, initialConfig *commontype.FeeConfig) *Config {
 	return &Config{
 		AllowListConfig: allowlist.AllowListConfig{
 			AdminAddresses:   admins,
@@ -38,7 +36,7 @@ func NewConfig(blockTimestamp *big.Int, admins []common.Address, enableds []comm
 
 // NewDisableConfig returns config for a network upgrade at [blockTimestamp]
 // that disables FeeManager.
-func NewDisableConfig(blockTimestamp *big.Int) *Config {
+func NewDisableConfig(blockTimestamp *uint64) *Config {
 	return &Config{
 		Upgrade: precompileconfig.Upgrade{
 			BlockTimestamp: blockTimestamp,
diff --git a/precompile/contracts/feemanager/config_test.go b/precompile/contracts/feemanager/config_test.go
index 006f2e6d43..58ff71b501 100644
--- a/precompile/contracts/feemanager/config_test.go
+++ b/precompile/contracts/feemanager/config_test.go
@@ -11,6 +11,7 @@ import (
 	"github.com/ava-labs/subnet-evm/precompile/allowlist"
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
 	"github.com/ava-labs/subnet-evm/precompile/testutils"
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ethereum/go-ethereum/common"
 )
 
@@ -33,11 +34,11 @@ func TestVerify(t *testing.T) {
 	invalidFeeConfig.GasLimit = big.NewInt(0)
 	tests := map[string]testutils.ConfigVerifyTest{
 		"invalid initial fee manager config": {
-			Config:        NewConfig(big.NewInt(3), admins, nil, &invalidFeeConfig),
+			Config:        NewConfig(utils.NewUint64(3), admins, nil, &invalidFeeConfig),
 			ExpectedError: "gasLimit = 0 cannot be less than or equal to 0",
 		},
 		"nil initial fee manager config": {
-			Config:        NewConfig(big.NewInt(3), admins, nil, &commontype.FeeConfig{}),
+			Config:        NewConfig(utils.NewUint64(3), admins, nil, &commontype.FeeConfig{}),
 			ExpectedError: "gasLimit cannot be nil",
 		},
 	}
@@ -49,28 +50,28 @@ func TestEqual(t *testing.T) {
 	enableds := []common.Address{allowlist.TestEnabledAddr}
 	tests := map[string]testutils.ConfigEqualTest{
 		"non-nil config and nil other": {
-			Config:   NewConfig(big.NewInt(3), admins, enableds, nil),
+			Config:   NewConfig(utils.NewUint64(3), admins, enableds, nil),
 			Other:    nil,
 			Expected: false,
 		},
 		"different type": {
-			Config:   NewConfig(big.NewInt(3), admins, enableds, nil),
+			Config:   NewConfig(utils.NewUint64(3), admins, enableds, nil),
 			Other:    precompileconfig.NewNoopStatefulPrecompileConfig(),
 			Expected: false,
 		},
 		"different timestamp": {
-			Config:   NewConfig(big.NewInt(3), admins, nil, nil),
-			Other:    NewConfig(big.NewInt(4), admins, nil, nil),
+			Config:   NewConfig(utils.NewUint64(3), admins, nil, nil),
+			Other:    NewConfig(utils.NewUint64(4), admins, nil, nil),
 			Expected: false,
 		},
 		"non-nil initial config and nil initial config": {
-			Config:   NewConfig(big.NewInt(3), admins, nil, &validFeeConfig),
-			Other:    NewConfig(big.NewInt(3), admins, nil, nil),
+			Config:   NewConfig(utils.NewUint64(3), admins, nil, &validFeeConfig),
+			Other:    NewConfig(utils.NewUint64(3), admins, nil, nil),
 			Expected: false,
 		},
 		"different initial config": {
-			Config: NewConfig(big.NewInt(3), admins, nil, &validFeeConfig),
-			Other: NewConfig(big.NewInt(3), admins, nil,
+			Config: NewConfig(utils.NewUint64(3), admins, nil, &validFeeConfig),
+			Other: NewConfig(utils.NewUint64(3), admins, nil,
 				func() *commontype.FeeConfig {
 					c := validFeeConfig
 					c.GasLimit = big.NewInt(123)
@@ -79,8 +80,8 @@ func TestEqual(t *testing.T) {
 			Expected: false,
 		},
 		"same config": {
-			Config:   NewConfig(big.NewInt(3), admins, nil, &validFeeConfig),
-			Other:    NewConfig(big.NewInt(3), admins, nil, &validFeeConfig),
+			Config:   NewConfig(utils.NewUint64(3), admins, nil, &validFeeConfig),
+			Other:    NewConfig(utils.NewUint64(3), admins, nil, &validFeeConfig),
 			Expected: true,
 		},
 	}
diff --git a/precompile/contracts/hubblebibliophile/config.go b/precompile/contracts/hubblebibliophile/config.go
index 7fc9a22dea..bd35cacf8d 100644
--- a/precompile/contracts/hubblebibliophile/config.go
+++ b/precompile/contracts/hubblebibliophile/config.go
@@ -5,8 +5,6 @@
 package hubblebibliophile
 
 import (
-	"math/big"
-
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
 )
 
@@ -22,7 +20,7 @@ type Config struct {
 
 // NewConfig returns a config for a network upgrade at [blockTimestamp] that enables
 // HubbleBibliophile.
-func NewConfig(blockTimestamp *big.Int) *Config {
+func NewConfig(blockTimestamp *uint64) *Config {
 	return &Config{
 		Upgrade: precompileconfig.Upgrade{BlockTimestamp: blockTimestamp},
 	}
@@ -30,7 +28,7 @@ func NewConfig(blockTimestamp *big.Int) *Config {
 
 // NewDisableConfig returns config for a network upgrade at [blockTimestamp]
 // that disables HubbleBibliophile.
-func NewDisableConfig(blockTimestamp *big.Int) *Config {
+func NewDisableConfig(blockTimestamp *uint64) *Config {
 	return &Config{
 		Upgrade: precompileconfig.Upgrade{
 			BlockTimestamp: blockTimestamp,
diff --git a/precompile/contracts/hubblebibliophile/contract.go b/precompile/contracts/hubblebibliophile/contract.go
index 24b8201abf..bad3529ae5 100644
--- a/precompile/contracts/hubblebibliophile/contract.go
+++ b/precompile/contracts/hubblebibliophile/contract.go
@@ -102,7 +102,7 @@ func getNotionalPositionAndMargin(accessibleState contract.AccessibleState, call
 	}
 
 	// CUSTOM CODE STARTS HERE
-	output := GetNotionalPositionAndMargin(accessibleState.GetStateDB(), &inputStruct, accessibleState.GetBlockContext().Timestamp())
+	output := GetNotionalPositionAndMargin(accessibleState.GetStateDB(), &inputStruct, new(big.Int).SetUint64(accessibleState.GetBlockContext().Timestamp()))
 	packedOutput, err := PackGetNotionalPositionAndMarginOutput(output)
 	if err != nil {
 		return nil, remainingGas, err
diff --git a/precompile/contracts/juror/config.go b/precompile/contracts/juror/config.go
index 7661f6c629..027f8df8af 100644
--- a/precompile/contracts/juror/config.go
+++ b/precompile/contracts/juror/config.go
@@ -5,8 +5,6 @@
 package juror
 
 import (
-	"math/big"
-
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
 )
 
@@ -22,7 +20,7 @@ type Config struct {
 
 // NewConfig returns a config for a network upgrade at [blockTimestamp] that enables
 // Juror.
-func NewConfig(blockTimestamp *big.Int) *Config {
+func NewConfig(blockTimestamp *uint64) *Config {
 	return &Config{
 		Upgrade: precompileconfig.Upgrade{BlockTimestamp: blockTimestamp},
 	}
@@ -30,7 +28,7 @@ func NewConfig(blockTimestamp *big.Int) *Config {
 
 // NewDisableConfig returns config for a network upgrade at [blockTimestamp]
 // that disables Juror.
-func NewDisableConfig(blockTimestamp *big.Int) *Config {
+func NewDisableConfig(blockTimestamp *uint64) *Config {
 	return &Config{
 		Upgrade: precompileconfig.Upgrade{
 			BlockTimestamp: blockTimestamp,
diff --git a/precompile/contracts/juror/config_test.go b/precompile/contracts/juror/config_test.go
index dc4e74f90c..ae6fc79385 100644
--- a/precompile/contracts/juror/config_test.go
+++ b/precompile/contracts/juror/config_test.go
@@ -5,24 +5,24 @@
 package juror
 
 import (
-	"math/big"
 	"testing"
 
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
 	"github.com/ava-labs/subnet-evm/precompile/testutils"
+	"github.com/ava-labs/subnet-evm/utils"
 )
 
 // TestVerify tests the verification of Config.
 func TestVerify(t *testing.T) {
 	tests := map[string]testutils.ConfigVerifyTest{
 		"valid config": {
-			Config:        NewConfig(big.NewInt(3)),
+			Config:        NewConfig(utils.NewUint64(3)),
 			ExpectedError: "",
 		},
 		// CUSTOM CODE STARTS HERE
 		// Add your own Verify tests here, e.g.:
 		// "your custom test name": {
-		// 	Config: NewConfig(big.NewInt(3),),
+		// 	Config: NewConfig(utils.NewUint64(3),),
 		// 	ExpectedError: ErrYourCustomError.Error(),
 		// },
 	}
@@ -34,23 +34,23 @@ func TestVerify(t *testing.T) {
 func TestEqual(t *testing.T) {
 	tests := map[string]testutils.ConfigEqualTest{
 		"non-nil config and nil other": {
-			Config:   NewConfig(big.NewInt(3)),
+			Config:   NewConfig(utils.NewUint64(3)),
 			Other:    nil,
 			Expected: false,
 		},
 		"different type": {
-			Config:   NewConfig(big.NewInt(3)),
+			Config:   NewConfig(utils.NewUint64(3)),
 			Other:    precompileconfig.NewNoopStatefulPrecompileConfig(),
 			Expected: false,
 		},
 		"different timestamp": {
-			Config:   NewConfig(big.NewInt(3)),
-			Other:    NewConfig(big.NewInt(4)),
+			Config:   NewConfig(utils.NewUint64(3)),
+			Other:    NewConfig(utils.NewUint64(4)),
 			Expected: false,
 		},
 		"same config": {
-			Config:   NewConfig(big.NewInt(3)),
-			Other:    NewConfig(big.NewInt(3)),
+			Config:   NewConfig(utils.NewUint64(3)),
+			Other:    NewConfig(utils.NewUint64(3)),
 			Expected: true,
 		},
 		// CUSTOM CODE STARTS HERE
diff --git a/precompile/contracts/juror/logic.go b/precompile/contracts/juror/logic.go
index 0666c1efc5..2369941ab6 100644
--- a/precompile/contracts/juror/logic.go
+++ b/precompile/contracts/juror/logic.go
@@ -304,7 +304,7 @@ func ValidatePlaceIOCOrders(bibliophile b.BibliophileClient, inputStruct *Valida
 		return nil, errors.New("no trading authority")
 	}
 	blockTimestamp := bibliophile.GetAccessibleState().GetBlockContext().Timestamp()
-	expireWithin := new(big.Int).Add(blockTimestamp, bibliophile.IOC_GetExpirationCap())
+	expireWithin := blockTimestamp + bibliophile.IOC_GetExpirationCap().Uint64()
 	orderHashes = make([][32]byte, len(orders))
 	for i, order := range orders {
 		if order.BaseAssetQuantity.Sign() == 0 {
@@ -316,10 +316,11 @@ func ValidatePlaceIOCOrders(bibliophile b.BibliophileClient, inputStruct *Valida
 		if OrderType(order.OrderType) != IOC {
 			return nil, errors.New("not_ioc_order")
 		}
-		if order.ExpireAt.Cmp(blockTimestamp) < 0 {
+		if order.ExpireAt.Uint64() < blockTimestamp {
 			return nil, errors.New("ioc expired")
 		}
-		if order.ExpireAt.Cmp(expireWithin) > 0 {
+		log.Info("ValidatePlaceIOCOrders", "order.ExpireAt", order.ExpireAt.Uint64(), "expireWithin", expireWithin)
+		if order.ExpireAt.Uint64() > expireWithin {
 			return nil, errors.New("ioc expiration too far")
 		}
 		minSize := bibliophile.GetMinSizeRequirement(order.AmmIndex.Int64())
@@ -355,7 +356,7 @@ func validateExecuteIOCOrder(bibliophile b.BibliophileClient, order *orderbook.I
 	if OrderType(order.OrderType) != IOC {
 		return nil, errors.New("not ioc order")
 	}
-	if order.ExpireAt.Cmp(bibliophile.GetAccessibleState().GetBlockContext().Timestamp()) < 0 {
+	if order.ExpireAt.Uint64() < bibliophile.GetAccessibleState().GetBlockContext().Timestamp() {
 		return nil, errors.New("ioc expired")
 	}
 	orderHash, err := getIOCOrderHash(order)
diff --git a/precompile/contracts/nativeminter/config.go b/precompile/contracts/nativeminter/config.go
index e2df6bbc82..c9a083d613 100644
--- a/precompile/contracts/nativeminter/config.go
+++ b/precompile/contracts/nativeminter/config.go
@@ -26,7 +26,7 @@ type Config struct {
 
 // NewConfig returns a config for a network upgrade at [blockTimestamp] that enables
 // ContractNativeMinter with the given [admins] and [enableds] as members of the allowlist. Also mints balances according to [initialMint] when the upgrade activates.
-func NewConfig(blockTimestamp *big.Int, admins []common.Address, enableds []common.Address, initialMint map[common.Address]*math.HexOrDecimal256) *Config {
+func NewConfig(blockTimestamp *uint64, admins []common.Address, enableds []common.Address, initialMint map[common.Address]*math.HexOrDecimal256) *Config {
 	return &Config{
 		AllowListConfig: allowlist.AllowListConfig{
 			AdminAddresses:   admins,
@@ -39,7 +39,7 @@ func NewConfig(blockTimestamp *big.Int, admins []common.Address, enableds []comm
 
 // NewDisableConfig returns config for a network upgrade at [blockTimestamp]
 // that disables ContractNativeMinter.
-func NewDisableConfig(blockTimestamp *big.Int) *Config {
+func NewDisableConfig(blockTimestamp *uint64) *Config {
 	return &Config{
 		Upgrade: precompileconfig.Upgrade{
 			BlockTimestamp: blockTimestamp,
diff --git a/precompile/contracts/nativeminter/config_test.go b/precompile/contracts/nativeminter/config_test.go
index 045b430cb0..058d820013 100644
--- a/precompile/contracts/nativeminter/config_test.go
+++ b/precompile/contracts/nativeminter/config_test.go
@@ -4,12 +4,12 @@
 package nativeminter
 
 import (
-	"math/big"
 	"testing"
 
 	"github.com/ava-labs/subnet-evm/precompile/allowlist"
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
 	"github.com/ava-labs/subnet-evm/precompile/testutils"
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/math"
 )
@@ -19,19 +19,19 @@ func TestVerify(t *testing.T) {
 	enableds := []common.Address{allowlist.TestEnabledAddr}
 	tests := map[string]testutils.ConfigVerifyTest{
 		"invalid allow list config in native minter allowlist": {
-			Config:        NewConfig(big.NewInt(3), admins, admins, nil),
+			Config:        NewConfig(utils.NewUint64(3), admins, admins, nil),
 			ExpectedError: "cannot set address",
 		},
 		"duplicate admins in config in native minter allowlist": {
-			Config:        NewConfig(big.NewInt(3), append(admins, admins[0]), enableds, nil),
+			Config:        NewConfig(utils.NewUint64(3), append(admins, admins[0]), enableds, nil),
 			ExpectedError: "duplicate address",
 		},
 		"duplicate enableds in config in native minter allowlist": {
-			Config:        NewConfig(big.NewInt(3), admins, append(enableds, enableds[0]), nil),
+			Config:        NewConfig(utils.NewUint64(3), admins, append(enableds, enableds[0]), nil),
 			ExpectedError: "duplicate address",
 		},
 		"nil amount in native minter config": {
-			Config: NewConfig(big.NewInt(3), admins, nil,
+			Config: NewConfig(utils.NewUint64(3), admins, nil,
 				map[common.Address]*math.HexOrDecimal256{
 					common.HexToAddress("0x01"): math.NewHexOrDecimal256(123),
 					common.HexToAddress("0x02"): nil,
@@ -39,7 +39,7 @@ func TestVerify(t *testing.T) {
 			ExpectedError: "initial mint cannot contain nil",
 		},
 		"negative amount in native minter config": {
-			Config: NewConfig(big.NewInt(3), admins, nil,
+			Config: NewConfig(utils.NewUint64(3), admins, nil,
 				map[common.Address]*math.HexOrDecimal256{
 					common.HexToAddress("0x01"): math.NewHexOrDecimal256(123),
 					common.HexToAddress("0x02"): math.NewHexOrDecimal256(-1),
@@ -55,48 +55,48 @@ func TestEqual(t *testing.T) {
 	enableds := []common.Address{allowlist.TestEnabledAddr}
 	tests := map[string]testutils.ConfigEqualTest{
 		"non-nil config and nil other": {
-			Config:   NewConfig(big.NewInt(3), admins, enableds, nil),
+			Config:   NewConfig(utils.NewUint64(3), admins, enableds, nil),
 			Other:    nil,
 			Expected: false,
 		},
 		"different type": {
-			Config:   NewConfig(big.NewInt(3), admins, enableds, nil),
+			Config:   NewConfig(utils.NewUint64(3), admins, enableds, nil),
 			Other:    precompileconfig.NewNoopStatefulPrecompileConfig(),
 			Expected: false,
 		},
 		"different timestamps": {
-			Config:   NewConfig(big.NewInt(3), admins, nil, nil),
-			Other:    NewConfig(big.NewInt(4), admins, nil, nil),
+			Config:   NewConfig(utils.NewUint64(3), admins, nil, nil),
+			Other:    NewConfig(utils.NewUint64(4), admins, nil, nil),
 			Expected: false,
 		},
 		"different initial mint amounts": {
-			Config: NewConfig(big.NewInt(3), admins, nil,
+			Config: NewConfig(utils.NewUint64(3), admins, nil,
 				map[common.Address]*math.HexOrDecimal256{
 					common.HexToAddress("0x01"): math.NewHexOrDecimal256(1),
 				}),
-			Other: NewConfig(big.NewInt(3), admins, nil,
+			Other: NewConfig(utils.NewUint64(3), admins, nil,
 				map[common.Address]*math.HexOrDecimal256{
 					common.HexToAddress("0x01"): math.NewHexOrDecimal256(2),
 				}),
 			Expected: false,
 		},
 		"different initial mint addresses": {
-			Config: NewConfig(big.NewInt(3), admins, nil,
+			Config: NewConfig(utils.NewUint64(3), admins, nil,
 				map[common.Address]*math.HexOrDecimal256{
 					common.HexToAddress("0x01"): math.NewHexOrDecimal256(1),
 				}),
-			Other: NewConfig(big.NewInt(3), admins, nil,
+			Other: NewConfig(utils.NewUint64(3), admins, nil,
 				map[common.Address]*math.HexOrDecimal256{
 					common.HexToAddress("0x02"): math.NewHexOrDecimal256(1),
 				}),
 			Expected: false,
 		},
 		"same config": {
-			Config: NewConfig(big.NewInt(3), admins, nil,
+			Config: NewConfig(utils.NewUint64(3), admins, nil,
 				map[common.Address]*math.HexOrDecimal256{
 					common.HexToAddress("0x01"): math.NewHexOrDecimal256(1),
 				}),
-			Other: NewConfig(big.NewInt(3), admins, nil,
+			Other: NewConfig(utils.NewUint64(3), admins, nil,
 				map[common.Address]*math.HexOrDecimal256{
 					common.HexToAddress("0x01"): math.NewHexOrDecimal256(1),
 				}),
diff --git a/precompile/contracts/rewardmanager/config.go b/precompile/contracts/rewardmanager/config.go
index 9b7a8bb238..b0c7907705 100644
--- a/precompile/contracts/rewardmanager/config.go
+++ b/precompile/contracts/rewardmanager/config.go
@@ -7,8 +7,6 @@
 package rewardmanager
 
 import (
-	"math/big"
-
 	"github.com/ava-labs/subnet-evm/precompile/allowlist"
 	"github.com/ava-labs/subnet-evm/precompile/contract"
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
@@ -64,7 +62,7 @@ type Config struct {
 
 // NewConfig returns a config for a network upgrade at [blockTimestamp] that enables
 // RewardManager with the given [admins] and [enableds] as members of the allowlist with [initialConfig] as initial rewards config if specified.
-func NewConfig(blockTimestamp *big.Int, admins []common.Address, enableds []common.Address, initialConfig *InitialRewardConfig) *Config {
+func NewConfig(blockTimestamp *uint64, admins []common.Address, enableds []common.Address, initialConfig *InitialRewardConfig) *Config {
 	return &Config{
 		AllowListConfig: allowlist.AllowListConfig{
 			AdminAddresses:   admins,
@@ -77,7 +75,7 @@ func NewConfig(blockTimestamp *big.Int, admins []common.Address, enableds []comm
 
 // NewDisableConfig returns config for a network upgrade at [blockTimestamp]
 // that disables RewardManager.
-func NewDisableConfig(blockTimestamp *big.Int) *Config {
+func NewDisableConfig(blockTimestamp *uint64) *Config {
 	return &Config{
 		Upgrade: precompileconfig.Upgrade{
 			BlockTimestamp: blockTimestamp,
diff --git a/precompile/contracts/rewardmanager/config_test.go b/precompile/contracts/rewardmanager/config_test.go
index d7c014c2cb..916e599dfc 100644
--- a/precompile/contracts/rewardmanager/config_test.go
+++ b/precompile/contracts/rewardmanager/config_test.go
@@ -4,12 +4,12 @@
 package rewardmanager
 
 import (
-	"math/big"
 	"testing"
 
 	"github.com/ava-labs/subnet-evm/precompile/allowlist"
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
 	"github.com/ava-labs/subnet-evm/precompile/testutils"
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ethereum/go-ethereum/common"
 )
 
@@ -18,7 +18,7 @@ func TestVerify(t *testing.T) {
 	enableds := []common.Address{allowlist.TestEnabledAddr}
 	tests := map[string]testutils.ConfigVerifyTest{
 		"both reward mechanisms should not be activated at the same time in reward manager": {
-			Config: NewConfig(big.NewInt(3), admins, enableds, &InitialRewardConfig{
+			Config: NewConfig(utils.NewUint64(3), admins, enableds, &InitialRewardConfig{
 				AllowFeeRecipients: true,
 				RewardAddress:      common.HexToAddress("0x01"),
 			}),
@@ -33,42 +33,42 @@ func TestEqual(t *testing.T) {
 	enableds := []common.Address{allowlist.TestEnabledAddr}
 	tests := map[string]testutils.ConfigEqualTest{
 		"non-nil config and nil other": {
-			Config:   NewConfig(big.NewInt(3), admins, enableds, nil),
+			Config:   NewConfig(utils.NewUint64(3), admins, enableds, nil),
 			Other:    nil,
 			Expected: false,
 		},
 		"different type": {
-			Config:   NewConfig(big.NewInt(3), admins, enableds, nil),
+			Config:   NewConfig(utils.NewUint64(3), admins, enableds, nil),
 			Other:    precompileconfig.NewNoopStatefulPrecompileConfig(),
 			Expected: false,
 		},
 		"different timestamp": {
-			Config:   NewConfig(big.NewInt(3), admins, nil, nil),
-			Other:    NewConfig(big.NewInt(4), admins, nil, nil),
+			Config:   NewConfig(utils.NewUint64(3), admins, nil, nil),
+			Other:    NewConfig(utils.NewUint64(4), admins, nil, nil),
 			Expected: false,
 		},
 		"non-nil initial config and nil initial config": {
-			Config: NewConfig(big.NewInt(3), admins, nil, &InitialRewardConfig{
+			Config: NewConfig(utils.NewUint64(3), admins, nil, &InitialRewardConfig{
 				AllowFeeRecipients: true,
 			}),
-			Other:    NewConfig(big.NewInt(3), admins, nil, nil),
+			Other:    NewConfig(utils.NewUint64(3), admins, nil, nil),
 			Expected: false,
 		},
 		"different initial config": {
-			Config: NewConfig(big.NewInt(3), admins, nil, &InitialRewardConfig{
+			Config: NewConfig(utils.NewUint64(3), admins, nil, &InitialRewardConfig{
 				RewardAddress: common.HexToAddress("0x01"),
 			}),
-			Other: NewConfig(big.NewInt(3), admins, nil,
+			Other: NewConfig(utils.NewUint64(3), admins, nil,
 				&InitialRewardConfig{
 					RewardAddress: common.HexToAddress("0x02"),
 				}),
 			Expected: false,
 		},
 		"same config": {
-			Config: NewConfig(big.NewInt(3), admins, nil, &InitialRewardConfig{
+			Config: NewConfig(utils.NewUint64(3), admins, nil, &InitialRewardConfig{
 				RewardAddress: common.HexToAddress("0x01"),
 			}),
-			Other: NewConfig(big.NewInt(3), admins, nil, &InitialRewardConfig{
+			Other: NewConfig(utils.NewUint64(3), admins, nil, &InitialRewardConfig{
 				RewardAddress: common.HexToAddress("0x01"),
 			}),
 			Expected: true,
diff --git a/precompile/contracts/txallowlist/config.go b/precompile/contracts/txallowlist/config.go
index c6204b41c5..a32e8412da 100644
--- a/precompile/contracts/txallowlist/config.go
+++ b/precompile/contracts/txallowlist/config.go
@@ -4,8 +4,6 @@
 package txallowlist
 
 import (
-	"math/big"
-
 	"github.com/ava-labs/subnet-evm/precompile/allowlist"
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
 	"github.com/ethereum/go-ethereum/common"
@@ -22,7 +20,7 @@ type Config struct {
 
 // NewConfig returns a config for a network upgrade at [blockTimestamp] that enables
 // TxAllowList with the given [admins] and [enableds] as members of the allowlist.
-func NewConfig(blockTimestamp *big.Int, admins []common.Address, enableds []common.Address) *Config {
+func NewConfig(blockTimestamp *uint64, admins []common.Address, enableds []common.Address) *Config {
 	return &Config{
 		AllowListConfig: allowlist.AllowListConfig{
 			AdminAddresses:   admins,
@@ -34,7 +32,7 @@ func NewConfig(blockTimestamp *big.Int, admins []common.Address, enableds []comm
 
 // NewDisableConfig returns config for a network upgrade at [blockTimestamp]
 // that disables TxAllowList.
-func NewDisableConfig(blockTimestamp *big.Int) *Config {
+func NewDisableConfig(blockTimestamp *uint64) *Config {
 	return &Config{
 		Upgrade: precompileconfig.Upgrade{
 			BlockTimestamp: blockTimestamp,
diff --git a/precompile/contracts/txallowlist/config_test.go b/precompile/contracts/txallowlist/config_test.go
index 6a7538ce4c..5358e87ecf 100644
--- a/precompile/contracts/txallowlist/config_test.go
+++ b/precompile/contracts/txallowlist/config_test.go
@@ -4,12 +4,12 @@
 package txallowlist
 
 import (
-	"math/big"
 	"testing"
 
 	"github.com/ava-labs/subnet-evm/precompile/allowlist"
 	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
 	"github.com/ava-labs/subnet-evm/precompile/testutils"
+	"github.com/ava-labs/subnet-evm/utils"
 	"github.com/ethereum/go-ethereum/common"
 )
 
@@ -22,7 +22,7 @@ func TestEqual(t *testing.T) {
 	enableds := []common.Address{allowlist.TestEnabledAddr}
 	tests := map[string]testutils.ConfigEqualTest{
 		"non-nil config and nil other": {
-			Config:   NewConfig(big.NewInt(3), admins, enableds),
+			Config:   NewConfig(utils.NewUint64(3), admins, enableds),
 			Other:    nil,
 			Expected: false,
 		},
@@ -32,13 +32,13 @@ func TestEqual(t *testing.T) {
 			Expected: false,
 		},
 		"different timestamp": {
-			Config:   NewConfig(big.NewInt(3), admins, enableds),
-			Other:    NewConfig(big.NewInt(4), admins, enableds),
+			Config:   NewConfig(utils.NewUint64(3), admins, enableds),
+			Other:    NewConfig(utils.NewUint64(4), admins, enableds),
 			Expected: false,
 		},
 		"same config": {
-			Config:   NewConfig(big.NewInt(3), admins, enableds),
-			Other:    NewConfig(big.NewInt(3), admins, enableds),
+			Config:   NewConfig(utils.NewUint64(3), admins, enableds),
+			Other:    NewConfig(utils.NewUint64(3), admins, enableds),
 			Expected: true,
 		},
 	}
diff --git a/precompile/precompileconfig/config.go b/precompile/precompileconfig/config.go
index 4282c1c62b..a9687425ff 100644
--- a/precompile/precompileconfig/config.go
+++ b/precompile/precompileconfig/config.go
@@ -5,8 +5,6 @@
 package precompileconfig
 
 import (
-	"math/big"
-
 	"github.com/ava-labs/avalanchego/chains/atomic"
 	"github.com/ava-labs/avalanchego/ids"
 	"github.com/ava-labs/avalanchego/snow"
@@ -24,7 +22,7 @@ type Config interface {
 	// 1) 0 indicates that the precompile should be enabled from genesis.
 	// 2) n indicates that the precompile should be enabled in the first block with timestamp >= [n].
 	// 3) nil indicates that the precompile is never enabled.
-	Timestamp() *big.Int
+	Timestamp() *uint64
 	// IsDisabled returns true if this network upgrade should disable the precompile.
 	IsDisabled() bool
 	// Equal returns true if the provided argument configures the same precompile with the same parameters.
@@ -46,6 +44,7 @@ type PrecompilePredicateContext struct {
 // will not maintain backwards compatibility of this interface and your code should not
 // rely on this. Designed for use only by precompiles that ship with subnet-evm.
 type PrecompilePredicater interface {
+	PredicateGas(storageSlots []byte) (uint64, error)
 	VerifyPredicate(predicateContext *PrecompilePredicateContext, storageSlots []byte) error
 }
 
@@ -68,6 +67,7 @@ type ProposerPredicateContext struct {
 // will not maintain backwards compatibility of this interface and your code should not
 // rely on this. Designed for use only by precompiles that ship with subnet-evm.
 type ProposerPredicater interface {
+	PredicateGas(storageSlots []byte) (uint64, error)
 	VerifyPredicate(proposerPredicateContext *ProposerPredicateContext, storageSlots []byte) error
 }
 
diff --git a/precompile/precompileconfig/mock_config.go b/precompile/precompileconfig/mock_config.go
index 6f1a9debc6..e51e4d850e 100644
--- a/precompile/precompileconfig/mock_config.go
+++ b/precompile/precompileconfig/mock_config.go
@@ -5,8 +5,6 @@
 package precompileconfig
 
 import (
-	"math/big"
-
 	"github.com/ethereum/go-ethereum/common"
 )
 
@@ -27,8 +25,8 @@ func (n *noopStatefulPrecompileConfig) Address() common.Address {
 	return common.Address{}
 }
 
-func (n *noopStatefulPrecompileConfig) Timestamp() *big.Int {
-	return new(big.Int)
+func (n *noopStatefulPrecompileConfig) Timestamp() *uint64 {
+	return nil
 }
 
 func (n *noopStatefulPrecompileConfig) IsDisabled() bool {
diff --git a/precompile/precompileconfig/test_config.go b/precompile/precompileconfig/test_config.go
new file mode 100644
index 0000000000..5440a0b324
--- /dev/null
+++ b/precompile/precompileconfig/test_config.go
@@ -0,0 +1,49 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: github.com/ava-labs/subnet-evm/precompile/precompileconfig (interfaces: Accepter)
+
+// Package precompileconfig is a generated GoMock package.
+package precompileconfig
+
+import (
+	reflect "reflect"
+
+	common "github.com/ethereum/go-ethereum/common"
+	gomock "github.com/golang/mock/gomock"
+)
+
+// MockAccepter is a mock of Accepter interface.
+type MockAccepter struct {
+	ctrl     *gomock.Controller
+	recorder *MockAccepterMockRecorder
+}
+
+// MockAccepterMockRecorder is the mock recorder for MockAccepter.
+type MockAccepterMockRecorder struct {
+	mock *MockAccepter
+}
+
+// NewMockAccepter creates a new mock instance.
+func NewMockAccepter(ctrl *gomock.Controller) *MockAccepter {
+	mock := &MockAccepter{ctrl: ctrl}
+	mock.recorder = &MockAccepterMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockAccepter) EXPECT() *MockAccepterMockRecorder {
+	return m.recorder
+}
+
+// Accept mocks base method.
+func (m *MockAccepter) Accept(arg0 *AcceptContext, arg1 common.Hash, arg2 int, arg3 []common.Hash, arg4 []byte) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Accept", arg0, arg1, arg2, arg3, arg4)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Accept indicates an expected call of Accept.
+func (mr *MockAccepterMockRecorder) Accept(arg0, arg1, arg2, arg3, arg4 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Accept", reflect.TypeOf((*MockAccepter)(nil).Accept), arg0, arg1, arg2, arg3, arg4)
+}
diff --git a/precompile/precompileconfig/upgradeable.go b/precompile/precompileconfig/upgradeable.go
index 3ad8c0498b..f26bc37a33 100644
--- a/precompile/precompileconfig/upgradeable.go
+++ b/precompile/precompileconfig/upgradeable.go
@@ -3,22 +3,18 @@
 
 package precompileconfig
 
-import (
-	"math/big"
-
-	"github.com/ava-labs/subnet-evm/utils"
-)
+import "github.com/ava-labs/subnet-evm/utils"
 
 // Upgrade contains the timestamp for the upgrade along with
 // a boolean [Disable]. If [Disable] is set, the upgrade deactivates
 // the precompile and clears its storage.
 type Upgrade struct {
-	BlockTimestamp *big.Int `json:"blockTimestamp"`
-	Disable        bool     `json:"disable,omitempty"`
+	BlockTimestamp *uint64 `json:"blockTimestamp"`
+	Disable        bool    `json:"disable,omitempty"`
 }
 
 // Timestamp returns the timestamp this network upgrade goes into effect.
-func (u *Upgrade) Timestamp() *big.Int {
+func (u *Upgrade) Timestamp() *uint64 {
 	return u.BlockTimestamp
 }
 
@@ -33,5 +29,5 @@ func (u *Upgrade) Equal(other *Upgrade) bool {
 	if other == nil {
 		return false
 	}
-	return u.Disable == other.Disable && utils.BigNumEqual(u.BlockTimestamp, other.BlockTimestamp)
+	return u.Disable == other.Disable && utils.Uint64PtrEqual(u.BlockTimestamp, other.BlockTimestamp)
 }
diff --git a/precompile/registry/registry.go b/precompile/registry/registry.go
index d6af8d06cf..4ce88b7e1d 100644
--- a/precompile/registry/registry.go
+++ b/precompile/registry/registry.go
@@ -20,6 +20,7 @@ import (
 	_ "github.com/ava-labs/subnet-evm/precompile/contracts/bibliophile"
 	_ "github.com/ava-labs/subnet-evm/precompile/contracts/hubblebibliophile"
 	_ "github.com/ava-labs/subnet-evm/precompile/contracts/juror"
+	_ "github.com/ava-labs/subnet-evm/x/warp"
 	// ADD YOUR PRECOMPILE HERE
 	// _ "github.com/ava-labs/subnet-evm/precompile/contracts/yourprecompile"
 )
@@ -41,6 +42,7 @@ import (
 // TxAllowListAddress               = common.HexToAddress("0x0200000000000000000000000000000000000002")
 // FeeManagerAddress                = common.HexToAddress("0x0200000000000000000000000000000000000003")
 // RewardManagerAddress             = common.HexToAddress("0x0200000000000000000000000000000000000004")
+// WarpAddress                      = common.HexToAddress("0x0200000000000000000000000000000000000005")
 // ADD YOUR PRECOMPILE HERE
 // OrderBook		       = common.HexToAddress("0x0300000000000000000000000000000000000000")
 // MarginAccount		   = common.HexToAddress("0x0300000000000000000000000000000000000001")
@@ -48,5 +50,5 @@ import (
 // HubbleBiblioPhile       = common.HexToAddress("0x0300000000000000000000000000000000000003")
 // bibliophile       = common.HexToAddress("0x0300000000000000000000000000000000000004")
 // juror       = common.HexToAddress("0x0300000000000000000000000000000000000005")
-// iocOrderBook       = common.HexToAddress("0x0300000000000000000000000000000000000006")
+// iocOrderBook       = common.HexToAddress("0x635c5F96989a4226953FE6361f12B96c5d50289b")
 // {YourPrecompile}Address = common.HexToAddress("0x03000000000000000000000000000000000000??")
diff --git a/precompile/testutils/test_precompile.go b/precompile/testutils/test_precompile.go
index eb06ec3325..f9191aefda 100644
--- a/precompile/testutils/test_precompile.go
+++ b/precompile/testutils/test_precompile.go
@@ -171,3 +171,13 @@ func (test PrecompileTest) Bench(b *testing.B, module modules.Module, state cont
 		test.AfterHook(b, state)
 	}
 }
+
+func RunPrecompileTests(t *testing.T, module modules.Module, newStateDB func(t testing.TB) contract.StateDB, contractTests map[string]PrecompileTest) {
+	t.Helper()
+
+	for name, test := range contractTests {
+		t.Run(name, func(t *testing.T) {
+			test.Run(t, module, newStateDB(t))
+		})
+	}
+}
diff --git a/precompile/testutils/test_predicate.go b/precompile/testutils/test_predicate.go
new file mode 100644
index 0000000000..44657b6f66
--- /dev/null
+++ b/precompile/testutils/test_predicate.go
@@ -0,0 +1,92 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package testutils
+
+import (
+	"testing"
+	"time"
+
+	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
+	"github.com/stretchr/testify/require"
+)
+
+// PredicateTest defines a unit test/benchmark for verifying a precompile predicate.
+type PredicateTest struct {
+	Config precompileconfig.Config
+
+	ProposerPredicateContext *precompileconfig.ProposerPredicateContext
+
+	StorageSlots         []byte
+	Gas                  uint64
+	GasErr, PredicateErr error
+}
+
+func (test PredicateTest) Run(t testing.TB) {
+	t.Helper()
+	require := require.New(t)
+
+	var (
+		gas                  uint64
+		gasErr, predicateErr error
+		predicate            = test.Config.(precompileconfig.ProposerPredicater)
+	)
+
+	gas, gasErr = predicate.PredicateGas(test.StorageSlots)
+	if test.GasErr != nil {
+		// If PredicateGas returns an error, the predicate fails verification and we will
+		// never call VerifyPredicate.
+		require.ErrorIs(gasErr, test.GasErr)
+		return
+	} else {
+		require.NoError(gasErr)
+	}
+	require.Equal(test.Gas, gas)
+
+	predicateErr = predicate.VerifyPredicate(test.ProposerPredicateContext, test.StorageSlots)
+	if test.PredicateErr == nil {
+		require.NoError(predicateErr)
+	} else {
+		require.ErrorIs(predicateErr, test.PredicateErr)
+	}
+}
+
+func RunPredicateTests(t *testing.T, predicateTests map[string]PredicateTest) {
+	t.Helper()
+
+	for name, test := range predicateTests {
+		t.Run(name, func(t *testing.T) {
+			test.Run(t)
+		})
+	}
+}
+
+func (test PredicateTest) RunBenchmark(b *testing.B) {
+	b.ReportAllocs()
+	start := time.Now()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		test.Run(b)
+	}
+	b.StopTimer()
+	elapsed := uint64(time.Since(start))
+	if elapsed < 1 {
+		elapsed = 1
+	}
+
+	gasUsed := test.Gas * uint64(b.N)
+	b.ReportMetric(float64(test.Gas), "gas/op")
+	// Keep it as uint64, multiply 100 to get two digit float later
+	mgasps := (100 * 1000 * gasUsed) / elapsed
+	b.ReportMetric(float64(mgasps)/100, "mgas/s")
+}
+
+func RunPredicateBenchmarks(b *testing.B, predicateTests map[string]PredicateTest) {
+	b.Helper()
+
+	for name, test := range predicateTests {
+		b.Run(name, func(b *testing.B) {
+			test.RunBenchmark(b)
+		})
+	}
+}
diff --git a/rpc/client.go b/rpc/client.go
index 74a86d928f..47c27a421d 100644
--- a/rpc/client.go
+++ b/rpc/client.go
@@ -110,7 +110,7 @@ type Client struct {
 	reqTimeout  chan *requestOp  // removes response IDs when call timeout expires
 }
 
-type reconnectFunc func(ctx context.Context) (ServerCodec, error)
+type reconnectFunc func(context.Context) (ServerCodec, error)
 
 type clientContextKey struct{}
 
@@ -169,14 +169,16 @@ func (op *requestOp) wait(ctx context.Context, c *Client) (*jsonrpcMessage, erro
 //
 // The currently supported URL schemes are "http", "https", "ws" and "wss". If rawurl is a
 // file name with no URL scheme, a local socket connection is established using UNIX
-// domain sockets on supported platforms and named pipes on Windows. If you want to
-// configure transport options, use DialHTTP, DialWebsocket or DialIPC instead.
+// domain sockets on supported platforms and named pipes on Windows.
+//
+// If you want to further configure the transport, use DialOptions instead of this
+// function.
 //
 // For websocket connections, the origin is set to the local host name.
 //
-// The client reconnects automatically if the connection is lost.
+// The client reconnects automatically when the connection is lost.
 func Dial(rawurl string) (*Client, error) {
-	return DialContext(context.Background(), rawurl)
+	return DialOptions(context.Background(), rawurl)
 }
 
 // DialContext creates a new RPC client, just like Dial.
@@ -184,22 +186,46 @@ func Dial(rawurl string) (*Client, error) {
 // The context is used to cancel or time out the initial connection establishment. It does
 // not affect subsequent interactions with the client.
 func DialContext(ctx context.Context, rawurl string) (*Client, error) {
+	return DialOptions(ctx, rawurl)
+}
+
+// DialOptions creates a new RPC client for the given URL. You can supply any of the
+// pre-defined client options to configure the underlying transport.
+//
+// The context is used to cancel or time out the initial connection establishment. It does
+// not affect subsequent interactions with the client.
+//
+// The client reconnects automatically when the connection is lost.
+func DialOptions(ctx context.Context, rawurl string, options ...ClientOption) (*Client, error) {
 	u, err := url.Parse(rawurl)
 	if err != nil {
 		return nil, err
 	}
+
+	cfg := new(clientConfig)
+	for _, opt := range options {
+		opt.applyOption(cfg)
+	}
+
+	var reconnect reconnectFunc
 	switch u.Scheme {
 	case "http", "https":
-		return DialHTTP(rawurl)
+		reconnect = newClientTransportHTTP(rawurl, cfg)
 	case "ws", "wss":
-		return DialWebsocket(ctx, rawurl, "")
+		rc, err := newClientTransportWS(rawurl, cfg)
+		if err != nil {
+			return nil, err
+		}
+		reconnect = rc
 	//case "stdio":
-	//	return DialStdIO(ctx)
+	//reconnect = newClientTransportIO(os.Stdin, os.Stdout)
 	//case "":
-	//	return DialIPC(ctx, rawurl)
+	//reconnect = newClientTransportIPC(rawurl)
 	default:
 		return nil, fmt.Errorf("no known transport for URL scheme %q", u.Scheme)
 	}
+
+	return newClient(ctx, reconnect)
 }
 
 // ClientFromContext retrieves the client from the context, if any. This can be used to perform
@@ -333,7 +359,10 @@ func (c *Client) CallContext(ctx context.Context, result interface{}, method str
 	case len(resp.Result) == 0:
 		return ErrNoResult
 	default:
-		return json.Unmarshal(resp.Result, &result)
+		if result == nil {
+			return nil
+		}
+		return json.Unmarshal(resp.Result, result)
 	}
 }
 
@@ -515,7 +544,7 @@ func (c *Client) write(ctx context.Context, msg interface{}, retry bool) error {
 			return err
 		}
 	}
-	err := c.writeConn.writeJSON(ctx, msg)
+	err := c.writeConn.writeJSON(ctx, msg, false)
 	if err != nil {
 		c.writeConn = nil
 		if !retry {
@@ -648,7 +677,8 @@ func (c *Client) read(codec ServerCodec) {
 	for {
 		msgs, batch, err := codec.readBatch()
 		if _, ok := err.(*json.SyntaxError); ok {
-			codec.writeJSON(context.Background(), errorMessage(&parseError{err.Error()}))
+			msg := errorMessage(&parseError{err.Error()})
+			codec.writeJSON(context.Background(), msg, true)
 		}
 		if err != nil {
 			c.readErr <- err
diff --git a/rpc/client_opt.go b/rpc/client_opt.go
new file mode 100644
index 0000000000..c1b9931253
--- /dev/null
+++ b/rpc/client_opt.go
@@ -0,0 +1,116 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package rpc
+
+import (
+	"net/http"
+
+	"github.com/gorilla/websocket"
+)
+
+// ClientOption is a configuration option for the RPC client.
+type ClientOption interface {
+	applyOption(*clientConfig)
+}
+
+type clientConfig struct {
+	httpClient  *http.Client
+	httpHeaders http.Header
+	httpAuth    HTTPAuth
+
+	wsDialer *websocket.Dialer
+}
+
+func (cfg *clientConfig) initHeaders() {
+	if cfg.httpHeaders == nil {
+		cfg.httpHeaders = make(http.Header)
+	}
+}
+
+func (cfg *clientConfig) setHeader(key, value string) {
+	cfg.initHeaders()
+	cfg.httpHeaders.Set(key, value)
+}
+
+type optionFunc func(*clientConfig)
+
+func (fn optionFunc) applyOption(opt *clientConfig) {
+	fn(opt)
+}
+
+// WithWebsocketDialer configures the websocket.Dialer used by the RPC client.
+func WithWebsocketDialer(dialer websocket.Dialer) ClientOption {
+	return optionFunc(func(cfg *clientConfig) {
+		cfg.wsDialer = &dialer
+	})
+}
+
+// WithHeader configures HTTP headers set by the RPC client. Headers set using this option
+// will be used for both HTTP and WebSocket connections.
+func WithHeader(key, value string) ClientOption {
+	return optionFunc(func(cfg *clientConfig) {
+		cfg.initHeaders()
+		cfg.httpHeaders.Set(key, value)
+	})
+}
+
+// WithHeaders configures HTTP headers set by the RPC client. Headers set using this
+// option will be used for both HTTP and WebSocket connections.
+func WithHeaders(headers http.Header) ClientOption {
+	return optionFunc(func(cfg *clientConfig) {
+		cfg.initHeaders()
+		for k, vs := range headers {
+			cfg.httpHeaders[k] = vs
+		}
+	})
+}
+
+// WithHTTPClient configures the http.Client used by the RPC client.
+func WithHTTPClient(c *http.Client) ClientOption {
+	return optionFunc(func(cfg *clientConfig) {
+		cfg.httpClient = c
+	})
+}
+
+// WithHTTPAuth configures HTTP request authentication. The given provider will be called
+// whenever a request is made. Note that only one authentication provider can be active at
+// any time.
+func WithHTTPAuth(a HTTPAuth) ClientOption {
+	if a == nil {
+		panic("nil auth")
+	}
+	return optionFunc(func(cfg *clientConfig) {
+		cfg.httpAuth = a
+	})
+}
+
+// A HTTPAuth function is called by the client whenever a HTTP request is sent.
+// The function must be safe for concurrent use.
+//
+// Usually, HTTPAuth functions will call h.Set("authorization", "...") to add
+// auth information to the request.
+type HTTPAuth func(h http.Header) error
diff --git a/rpc/client_opt_test.go b/rpc/client_opt_test.go
new file mode 100644
index 0000000000..cf458420da
--- /dev/null
+++ b/rpc/client_opt_test.go
@@ -0,0 +1,34 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+package rpc_test
+
+import (
+	"context"
+	"net/http"
+	"time"
+
+	"github.com/ava-labs/subnet-evm/rpc"
+)
+
+// This example configures a HTTP-based RPC client with two options - one setting the
+// overall request timeout, the other adding a custom HTTP header to all requests.
+func ExampleDialOptions() {
+	tokenHeader := rpc.WithHeader("x-token", "foo")
+	httpClient := rpc.WithHTTPClient(&http.Client{
+		Timeout: 10 * time.Second,
+	})
+
+	ctx := context.Background()
+	c, err := rpc.DialOptions(ctx, "http://rpc.example.com", httpClient, tokenHeader)
+	if err != nil {
+		panic(err)
+	}
+	c.Close()
+}
diff --git a/rpc/client_test.go b/rpc/client_test.go
index 35a204cc99..0d00ee3405 100644
--- a/rpc/client_test.go
+++ b/rpc/client_test.go
@@ -29,7 +29,6 @@ package rpc
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"fmt"
 	"math/rand"
 	"net"
@@ -77,6 +76,26 @@ func TestClientResponseType(t *testing.T) {
 	}
 }
 
+// This test checks calling a method that returns 'null'.
+func TestClientNullResponse(t *testing.T) {
+	server := newTestServer()
+	defer server.Stop()
+
+	client := DialInProc(server)
+	defer client.Close()
+
+	var result json.RawMessage
+	if err := client.Call(&result, "test_null"); err != nil {
+		t.Fatal(err)
+	}
+	if result == nil {
+		t.Fatal("Expected non-nil result")
+	}
+	if !reflect.DeepEqual(result, json.RawMessage("null")) {
+		t.Errorf("Expected null, got %s", result)
+	}
+}
+
 // This test checks that server-returned errors with code and data come out of Client.Call.
 func TestClientErrorData(t *testing.T) {
 	server := newTestServer()
@@ -91,11 +110,15 @@ func TestClientErrorData(t *testing.T) {
 	}
 
 	// Check code.
+	// The method handler returns an error value which implements the rpc.Error
+	// interface, i.e. it has a custom error code. The server returns this error code.
+	expectedCode := testError{}.ErrorCode()
 	if e, ok := err.(Error); !ok {
 		t.Fatalf("client did not return rpc.Error, got %#v", e)
-	} else if e.ErrorCode() != (testError{}.ErrorCode()) {
-		t.Fatalf("wrong error code %d, want %d", e.ErrorCode(), testError{}.ErrorCode())
+	} else if e.ErrorCode() != expectedCode {
+		t.Fatalf("wrong error code %d, want %d", e.ErrorCode(), expectedCode)
 	}
+
 	// Check data.
 	if e, ok := err.(DataError); !ok {
 		t.Fatalf("client did not return rpc.DataError, got %#v", e)
@@ -153,53 +176,6 @@ func TestClientBatchRequest(t *testing.T) {
 	}
 }
 
-func TestClientBatchRequest_len(t *testing.T) {
-	b, err := json.Marshal([]jsonrpcMessage{
-		{Version: "2.0", ID: json.RawMessage("1"), Method: "foo", Result: json.RawMessage(`"0x1"`)},
-		{Version: "2.0", ID: json.RawMessage("2"), Method: "bar", Result: json.RawMessage(`"0x2"`)},
-	})
-	if err != nil {
-		t.Fatal("failed to encode jsonrpc message:", err)
-	}
-	s := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
-		_, err := rw.Write(b)
-		if err != nil {
-			t.Error("failed to write response:", err)
-		}
-	}))
-	t.Cleanup(s.Close)
-
-	client, err := Dial(s.URL)
-	if err != nil {
-		t.Fatal("failed to dial test server:", err)
-	}
-	defer client.Close()
-
-	t.Run("too-few", func(t *testing.T) {
-		batch := []BatchElem{
-			{Method: "foo"},
-			{Method: "bar"},
-			{Method: "baz"},
-		}
-		ctx, cancelFn := context.WithTimeout(context.Background(), time.Second)
-		defer cancelFn()
-		if err := client.BatchCallContext(ctx, batch); !errors.Is(err, ErrBadResult) {
-			t.Errorf("expected %q but got: %v", ErrBadResult, err)
-		}
-	})
-
-	t.Run("too-many", func(t *testing.T) {
-		batch := []BatchElem{
-			{Method: "foo"},
-		}
-		ctx, cancelFn := context.WithTimeout(context.Background(), time.Second)
-		defer cancelFn()
-		if err := client.BatchCallContext(ctx, batch); !errors.Is(err, ErrBadResult) {
-			t.Errorf("expected %q but got: %v", ErrBadResult, err)
-		}
-	})
-}
-
 func TestClientNotify(t *testing.T) {
 	server := newTestServer()
 	defer server.Stop()
diff --git a/rpc/context_headers.go b/rpc/context_headers.go
new file mode 100644
index 0000000000..442e042592
--- /dev/null
+++ b/rpc/context_headers.go
@@ -0,0 +1,66 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package rpc
+
+import (
+	"context"
+	"net/http"
+)
+
+type mdHeaderKey struct{}
+
+// NewContextWithHeaders wraps the given context, adding HTTP headers. These headers will
+// be applied by Client when making a request using the returned context.
+func NewContextWithHeaders(ctx context.Context, h http.Header) context.Context {
+	if len(h) == 0 {
+		// This check ensures the header map set in context will never be nil.
+		return ctx
+	}
+
+	var ctxh http.Header
+	prev, ok := ctx.Value(mdHeaderKey{}).(http.Header)
+	if ok {
+		ctxh = setHeaders(prev.Clone(), h)
+	} else {
+		ctxh = h.Clone()
+	}
+	return context.WithValue(ctx, mdHeaderKey{}, ctxh)
+}
+
+// headersFromContext is used to extract http.Header from context.
+func headersFromContext(ctx context.Context) http.Header {
+	source, _ := ctx.Value(mdHeaderKey{}).(http.Header)
+	return source
+}
+
+// setHeaders sets all headers from src in dst.
+func setHeaders(dst http.Header, src http.Header) http.Header {
+	for key, values := range src {
+		dst[http.CanonicalHeaderKey(key)] = values
+	}
+	return dst
+}
diff --git a/rpc/errors.go b/rpc/errors.go
index a43fa9bd8b..7e39510087 100644
--- a/rpc/errors.go
+++ b/rpc/errors.go
@@ -64,9 +64,20 @@ var (
 	_ Error = new(invalidRequestError)
 	_ Error = new(invalidMessageError)
 	_ Error = new(invalidParamsError)
+	_ Error = new(internalServerError)
 )
 
-const defaultErrorCode = -32000
+const (
+	errcodeDefault                  = -32000
+	errcodeNotificationsUnsupported = -32001
+	errcodeTimeout                  = -32002
+	errcodePanic                    = -32603
+	errcodeMarshalError             = -32603
+)
+
+const (
+	errMsgTimeout = "request timed out"
+)
 
 type methodNotFoundError struct{ method string }
 
@@ -111,3 +122,13 @@ type invalidParamsError struct{ message string }
 func (e *invalidParamsError) ErrorCode() int { return -32602 }
 
 func (e *invalidParamsError) Error() string { return e.message }
+
+// internalServerError is used for server errors during request processing.
+type internalServerError struct {
+	code    int
+	message string
+}
+
+func (e *internalServerError) ErrorCode() int { return e.code }
+
+func (e *internalServerError) Error() string { return e.message }
diff --git a/rpc/handler.go b/rpc/handler.go
index fec952f92a..00bafad427 100644
--- a/rpc/handler.go
+++ b/rpc/handler.go
@@ -58,7 +58,7 @@ import (
 // Now send the request, then wait for the reply to be delivered through handleMsg:
 //
 //	if err := op.wait(...); err != nil {
-//	    h.removeRequestOp(op) // timeout, etc.
+//		h.removeRequestOp(op) // timeout, etc.
 //	}
 type handler struct {
 	reg            *serviceRegistry
@@ -108,6 +108,76 @@ func newHandler(connCtx context.Context, conn jsonWriter, idgen func() ID, reg *
 	return h
 }
 
+// batchCallBuffer manages in progress call messages and their responses during a batch
+// call. Calls need to be synchronized between the processing and timeout-triggering
+// goroutines.
+type batchCallBuffer struct {
+	mutex sync.Mutex
+	calls []*jsonrpcMessage
+	resp  []*jsonrpcMessage
+	wrote bool
+}
+
+// nextCall returns the next unprocessed message.
+func (b *batchCallBuffer) nextCall() *jsonrpcMessage {
+	b.mutex.Lock()
+	defer b.mutex.Unlock()
+
+	if len(b.calls) == 0 {
+		return nil
+	}
+	// The popping happens in `pushAnswer`. The in progress call is kept
+	// so we can return an error for it in case of timeout.
+	msg := b.calls[0]
+	return msg
+}
+
+// pushResponse adds the response to last call returned by nextCall.
+func (b *batchCallBuffer) pushResponse(answer *jsonrpcMessage) {
+	b.mutex.Lock()
+	defer b.mutex.Unlock()
+
+	if answer != nil {
+		b.resp = append(b.resp, answer)
+	}
+	b.calls = b.calls[1:]
+}
+
+// write sends the responses.
+func (b *batchCallBuffer) write(ctx context.Context, conn jsonWriter) {
+	b.mutex.Lock()
+	defer b.mutex.Unlock()
+
+	b.doWrite(ctx, conn, false)
+}
+
+// timeout sends the responses added so far. For the remaining unanswered call
+// messages, it sends a timeout error response.
+func (b *batchCallBuffer) timeout(ctx context.Context, conn jsonWriter) {
+	b.mutex.Lock()
+	defer b.mutex.Unlock()
+
+	for _, msg := range b.calls {
+		if !msg.isNotification() {
+			resp := msg.errorResponse(&internalServerError{errcodeTimeout, errMsgTimeout})
+			b.resp = append(b.resp, resp)
+		}
+	}
+	b.doWrite(ctx, conn, true)
+}
+
+// doWrite actually writes the response.
+// This assumes b.mutex is held.
+func (b *batchCallBuffer) doWrite(ctx context.Context, conn jsonWriter, isErrorResponse bool) {
+	if b.wrote {
+		return
+	}
+	b.wrote = true // can only write once
+	if len(b.resp) > 0 {
+		conn.writeJSONSkipDeadline(ctx, b.resp, isErrorResponse, true)
+	}
+}
+
 // addLimiter adds a rate limiter to the handler that will allow at most
 // [refillRate] cpu to be used per second. At most [maxStored] cpu time will be
 // stored for this limiter.
@@ -125,7 +195,8 @@ func (h *handler) handleBatch(msgs []*jsonrpcMessage) {
 	// Emit error response for empty batches:
 	if len(msgs) == 0 {
 		h.startCallProc(func(cp *callProc) {
-			h.conn.writeJSONSkipDeadline(cp.ctx, errorMessage(&invalidRequestError{"empty batch"}), h.deadlineContext > 0)
+			resp := errorMessage(&invalidRequestError{"empty batch"})
+			h.conn.writeJSONSkipDeadline(cp.ctx, resp, true, h.deadlineContext > 0)
 		})
 		return
 	}
@@ -142,16 +213,42 @@ func (h *handler) handleBatch(msgs []*jsonrpcMessage) {
 	}
 	// Process calls on a goroutine because they may block indefinitely:
 	h.startCallProc(func(cp *callProc) {
-		answers := make([]*jsonrpcMessage, 0, len(msgs))
-		for _, msg := range calls {
-			if answer := h.handleCallMsg(cp, msg); answer != nil {
-				answers = append(answers, answer)
+		var (
+			timer      *time.Timer
+			cancel     context.CancelFunc
+			callBuffer = &batchCallBuffer{calls: calls, resp: make([]*jsonrpcMessage, 0, len(calls))}
+		)
+
+		cp.ctx, cancel = context.WithCancel(cp.ctx)
+		defer cancel()
+
+		// Cancel the request context after timeout and send an error response. Since the
+		// currently-running method might not return immediately on timeout, we must wait
+		// for the timeout concurrently with processing the request.
+		if timeout, ok := ContextRequestTimeout(cp.ctx); ok {
+			timer = time.AfterFunc(timeout, func() {
+				cancel()
+				callBuffer.timeout(cp.ctx, h.conn)
+			})
+		}
+
+		for {
+			// No need to handle rest of calls if timed out.
+			if cp.ctx.Err() != nil {
+				break
 			}
+			msg := callBuffer.nextCall()
+			if msg == nil {
+				break
+			}
+			resp := h.handleCallMsg(cp, msg)
+			callBuffer.pushResponse(resp)
 		}
-		h.addSubscriptions(cp.notifiers)
-		if len(answers) > 0 {
-			h.conn.writeJSONSkipDeadline(cp.ctx, answers, h.deadlineContext > 0)
+		if timer != nil {
+			timer.Stop()
 		}
+		callBuffer.write(cp.ctx, h.conn)
+		h.addSubscriptions(cp.notifiers)
 		for _, n := range cp.notifiers {
 			n.activate()
 		}
@@ -164,10 +261,36 @@ func (h *handler) handleMsg(msg *jsonrpcMessage) {
 		return
 	}
 	h.startCallProc(func(cp *callProc) {
+		var (
+			responded sync.Once
+			timer     *time.Timer
+			cancel    context.CancelFunc
+		)
+		cp.ctx, cancel = context.WithCancel(cp.ctx)
+		defer cancel()
+
+		// Cancel the request context after timeout and send an error response. Since the
+		// running method might not return immediately on timeout, we must wait for the
+		// timeout concurrently with processing the request.
+		if timeout, ok := ContextRequestTimeout(cp.ctx); ok {
+			timer = time.AfterFunc(timeout, func() {
+				cancel()
+				responded.Do(func() {
+					resp := msg.errorResponse(&internalServerError{errcodeTimeout, errMsgTimeout})
+					h.conn.writeJSONSkipDeadline(cp.ctx, resp, true, h.deadlineContext > 0)
+				})
+			})
+		}
+
 		answer := h.handleCallMsg(cp, msg)
+		if timer != nil {
+			timer.Stop()
+		}
 		h.addSubscriptions(cp.notifiers)
 		if answer != nil {
-			h.conn.writeJSONSkipDeadline(cp.ctx, answer, h.deadlineContext > 0)
+			responded.Do(func() {
+				h.conn.writeJSONSkipDeadline(cp.ctx, answer, false, h.deadlineContext > 0)
+			})
 		}
 		for _, n := range cp.notifiers {
 			n.activate()
@@ -432,7 +555,6 @@ func (h *handler) handleCall(cp *callProc, msg *jsonrpcMessage) *jsonrpcMessage
 	}
 	start := time.Now()
 	answer := h.runMethod(cp.ctx, msg, callb, args)
-
 	// Collect the statistics for RPC calls if metrics is enabled.
 	// We only care about pure rpc call. Filter out subscription.
 	if callb != h.unsubscribeCb {
@@ -453,7 +575,10 @@ func (h *handler) handleCall(cp *callProc, msg *jsonrpcMessage) *jsonrpcMessage
 // handleSubscribe processes *_subscribe method calls.
 func (h *handler) handleSubscribe(cp *callProc, msg *jsonrpcMessage) *jsonrpcMessage {
 	if !h.allowSubscribe {
-		return msg.errorResponse(ErrNotificationsUnsupported)
+		return msg.errorResponse(&internalServerError{
+			code:    errcodeNotificationsUnsupported,
+			message: ErrNotificationsUnsupported.Error(),
+		})
 	}
 
 	// Subscription method name is first argument.
diff --git a/rpc/http.go b/rpc/http.go
index 89e8500c89..56fea59f2c 100644
--- a/rpc/http.go
+++ b/rpc/http.go
@@ -33,9 +33,11 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"math"
 	"mime"
 	"net/http"
 	"net/url"
+	"strconv"
 	"sync"
 	"time"
 )
@@ -55,17 +57,18 @@ type httpConn struct {
 	closeCh   chan interface{}
 	mu        sync.Mutex // protects headers
 	headers   http.Header
+	auth      HTTPAuth
 }
 
 // httpConn implements ServerCodec, but it is treated specially by Client
 // and some methods don't work. The panic() stubs here exist to ensure
 // this special treatment is correct.
 
-func (hc *httpConn) writeJSON(ctx context.Context, val interface{}) error {
-	return hc.writeJSONSkipDeadline(ctx, val, false)
+func (hc *httpConn) writeJSON(ctx context.Context, val interface{}, isError bool) error {
+	return hc.writeJSONSkipDeadline(ctx, val, isError, false)
 }
 
-func (hc *httpConn) writeJSONSkipDeadline(context.Context, interface{}, bool) error {
+func (hc *httpConn) writeJSONSkipDeadline(context.Context, interface{}, bool, bool) error {
 	panic("writeJSON called on httpConn")
 }
 
@@ -131,8 +134,15 @@ var DefaultHTTPTimeouts = HTTPTimeouts{
 	IdleTimeout:       120 * time.Second,
 }
 
+// DialHTTP creates a new RPC client that connects to an RPC server over HTTP.
+func DialHTTP(endpoint string) (*Client, error) {
+	return DialHTTPWithClient(endpoint, new(http.Client))
+}
+
 // DialHTTPWithClient creates a new RPC client that connects to an RPC server over HTTP
 // using the provided HTTP Client.
+//
+// Deprecated: use DialOptions and the WithHTTPClient option.
 func DialHTTPWithClient(endpoint string, client *http.Client) (*Client, error) {
 	// Sanity check URL so we don't end up with a client that will fail every request.
 	_, err := url.Parse(endpoint)
@@ -140,24 +150,36 @@ func DialHTTPWithClient(endpoint string, client *http.Client) (*Client, error) {
 		return nil, err
 	}
 
-	initctx := context.Background()
-	headers := make(http.Header, 2)
+	var cfg clientConfig
+	cfg.httpClient = client
+	fn := newClientTransportHTTP(endpoint, &cfg)
+	return newClient(context.Background(), fn)
+}
+
+func newClientTransportHTTP(endpoint string, cfg *clientConfig) reconnectFunc {
+	headers := make(http.Header, 2+len(cfg.httpHeaders))
 	headers.Set("accept", contentType)
 	headers.Set("content-type", contentType)
-	return newClient(initctx, func(context.Context) (ServerCodec, error) {
-		hc := &httpConn{
-			client:  client,
-			headers: headers,
-			url:     endpoint,
-			closeCh: make(chan interface{}),
-		}
-		return hc, nil
-	})
-}
+	for key, values := range cfg.httpHeaders {
+		headers[key] = values
+	}
 
-// DialHTTP creates a new RPC client that connects to an RPC server over HTTP.
-func DialHTTP(endpoint string) (*Client, error) {
-	return DialHTTPWithClient(endpoint, new(http.Client))
+	client := cfg.httpClient
+	if client == nil {
+		client = new(http.Client)
+	}
+
+	hc := &httpConn{
+		client:  client,
+		headers: headers,
+		url:     endpoint,
+		auth:    cfg.httpAuth,
+		closeCh: make(chan interface{}),
+	}
+
+	return func(ctx context.Context) (ServerCodec, error) {
+		return hc, nil
+	}
 }
 
 func (c *Client) sendHTTP(ctx context.Context, op *requestOp, msg interface{}) error {
@@ -201,7 +223,7 @@ func (hc *httpConn) doRequest(ctx context.Context, msg interface{}) (io.ReadClos
 	if err != nil {
 		return nil, err
 	}
-	req, err := http.NewRequestWithContext(ctx, "POST", hc.url, io.NopCloser(bytes.NewReader(body)))
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, hc.url, io.NopCloser(bytes.NewReader(body)))
 	if err != nil {
 		return nil, err
 	}
@@ -212,6 +234,13 @@ func (hc *httpConn) doRequest(ctx context.Context, msg interface{}) (io.ReadClos
 	hc.mu.Lock()
 	req.Header = hc.headers.Clone()
 	hc.mu.Unlock()
+	setHeaders(req.Header, headersFromContext(ctx))
+
+	if hc.auth != nil {
+		if err := hc.auth(req.Header); err != nil {
+			return nil, err
+		}
+	}
 
 	// do request
 	resp, err := hc.client.Do(req)
@@ -244,7 +273,42 @@ type httpServerConn struct {
 func newHTTPServerConn(r *http.Request, w http.ResponseWriter) ServerCodec {
 	body := io.LimitReader(r.Body, maxRequestContentLength)
 	conn := &httpServerConn{Reader: body, Writer: w, r: r}
-	return NewCodec(conn)
+
+	encoder := func(v any, isErrorResponse bool) error {
+		if !isErrorResponse {
+			return json.NewEncoder(conn).Encode(v)
+		}
+
+		// It's an error response and requires special treatment.
+		//
+		// In case of a timeout error, the response must be written before the HTTP
+		// server's write timeout occurs. So we need to flush the response. The
+		// Content-Length header also needs to be set to ensure the client knows
+		// when it has the full response.
+		encdata, err := json.Marshal(v)
+		if err != nil {
+			return err
+		}
+		w.Header().Set("content-length", strconv.Itoa(len(encdata)))
+
+		// If this request is wrapped in a handler that might remove Content-Length (such
+		// as the automatic gzip we do in package node), we need to ensure the HTTP server
+		// doesn't perform chunked encoding. In case WriteTimeout is reached, the chunked
+		// encoding might not be finished correctly, and some clients do not like it when
+		// the final chunk is missing.
+		w.Header().Set("transfer-encoding", "identity")
+
+		_, err = w.Write(encdata)
+		if f, ok := w.(http.Flusher); ok {
+			f.Flush()
+		}
+		return err
+	}
+
+	dec := json.NewDecoder(conn)
+	dec.UseNumber()
+
+	return NewFuncCodec(conn, encoder, dec.Decode)
 }
 
 // Close does nothing and always returns nil.
@@ -314,3 +378,35 @@ func validateRequest(r *http.Request) (int, error) {
 	err := fmt.Errorf("invalid content type, only %s is supported", contentType)
 	return http.StatusUnsupportedMediaType, err
 }
+
+// ContextRequestTimeout returns the request timeout derived from the given context.
+func ContextRequestTimeout(ctx context.Context) (time.Duration, bool) {
+	timeout := time.Duration(math.MaxInt64)
+	hasTimeout := false
+	setTimeout := func(d time.Duration) {
+		if d < timeout {
+			timeout = d
+			hasTimeout = true
+		}
+	}
+
+	if deadline, ok := ctx.Deadline(); ok {
+		setTimeout(time.Until(deadline))
+	}
+
+	// If the context is an HTTP request context, use the server's WriteTimeout.
+	httpSrv, ok := ctx.Value(http.ServerContextKey).(*http.Server)
+	if ok && httpSrv.WriteTimeout > 0 {
+		wt := httpSrv.WriteTimeout
+		// When a write timeout is configured, we need to send the response message before
+		// the HTTP server cuts connection. So our internal timeout must be earlier than
+		// the server's true timeout.
+		//
+		// Note: Timeouts are sanitized to be a minimum of 1 second.
+		// Also see issue: https://github.com/golang/go/issues/47229
+		wt -= 100 * time.Millisecond
+		setTimeout(wt)
+	}
+
+	return timeout, hasTimeout
+}
diff --git a/rpc/http_test.go b/rpc/http_test.go
index 2a22198fb2..2b1e4d6feb 100644
--- a/rpc/http_test.go
+++ b/rpc/http_test.go
@@ -27,6 +27,8 @@
 package rpc
 
 import (
+	"context"
+	"fmt"
 	"net/http"
 	"net/http/httptest"
 	"strings"
@@ -208,3 +210,43 @@ func TestHTTPPeerInfo(t *testing.T) {
 		t.Errorf("wrong HTTP.Origin %q", info.HTTP.UserAgent)
 	}
 }
+
+func TestNewContextWithHeaders(t *testing.T) {
+	expectedHeaders := 0
+	server := httptest.NewServer(http.HandlerFunc(func(writer http.ResponseWriter, request *http.Request) {
+		for i := 0; i < expectedHeaders; i++ {
+			key, want := fmt.Sprintf("key-%d", i), fmt.Sprintf("val-%d", i)
+			if have := request.Header.Get(key); have != want {
+				t.Errorf("wrong request headers for %s, want: %s, have: %s", key, want, have)
+			}
+		}
+		writer.WriteHeader(http.StatusOK)
+		_, _ = writer.Write([]byte(`{}`))
+	}))
+	defer server.Close()
+
+	client, err := Dial(server.URL)
+	if err != nil {
+		t.Fatalf("failed to dial: %s", err)
+	}
+	defer client.Close()
+
+	newHdr := func(k, v string) http.Header {
+		header := http.Header{}
+		header.Set(k, v)
+		return header
+	}
+	ctx1 := NewContextWithHeaders(context.Background(), newHdr("key-0", "val-0"))
+	ctx2 := NewContextWithHeaders(ctx1, newHdr("key-1", "val-1"))
+	ctx3 := NewContextWithHeaders(ctx2, newHdr("key-2", "val-2"))
+
+	expectedHeaders = 3
+	if err := client.CallContext(ctx3, nil, "test"); err != ErrNoResult {
+		t.Error("call failed", err)
+	}
+
+	expectedHeaders = 2
+	if err := client.CallContext(ctx2, nil, "test"); err != ErrNoResult {
+		t.Error("call failed:", err)
+	}
+}
diff --git a/rpc/json.go b/rpc/json.go
index 7e1c6a7f38..0f372be8d1 100644
--- a/rpc/json.go
+++ b/rpc/json.go
@@ -68,21 +68,25 @@ type jsonrpcMessage struct {
 }
 
 func (msg *jsonrpcMessage) isNotification() bool {
-	return msg.ID == nil && msg.Method != ""
+	return msg.hasValidVersion() && msg.ID == nil && msg.Method != ""
 }
 
 func (msg *jsonrpcMessage) isCall() bool {
-	return msg.hasValidID() && msg.Method != ""
+	return msg.hasValidVersion() && msg.hasValidID() && msg.Method != ""
 }
 
 func (msg *jsonrpcMessage) isResponse() bool {
-	return msg.hasValidID() && msg.Method == "" && msg.Params == nil && (msg.Result != nil || msg.Error != nil)
+	return msg.hasValidVersion() && msg.hasValidID() && msg.Method == "" && msg.Params == nil && (msg.Result != nil || msg.Error != nil)
 }
 
 func (msg *jsonrpcMessage) hasValidID() bool {
 	return len(msg.ID) > 0 && msg.ID[0] != '{' && msg.ID[0] != '['
 }
 
+func (msg *jsonrpcMessage) hasValidVersion() bool {
+	return msg.Version == vsn
+}
+
 func (msg *jsonrpcMessage) isSubscribe() bool {
 	return strings.HasSuffix(msg.Method, subscribeMethodSuffix)
 }
@@ -110,15 +114,14 @@ func (msg *jsonrpcMessage) errorResponse(err error) *jsonrpcMessage {
 func (msg *jsonrpcMessage) response(result interface{}) *jsonrpcMessage {
 	enc, err := json.Marshal(result)
 	if err != nil {
-		// TODO: wrap with 'internal server error'
-		return msg.errorResponse(err)
+		return msg.errorResponse(&internalServerError{errcodeMarshalError, err.Error()})
 	}
 	return &jsonrpcMessage{Version: vsn, ID: msg.ID, Result: enc}
 }
 
 func errorMessage(err error) *jsonrpcMessage {
 	msg := &jsonrpcMessage{Version: vsn, ID: null, Error: &jsonError{
-		Code:    defaultErrorCode,
+		Code:    errcodeDefault,
 		Message: err.Error(),
 	}}
 	ec, ok := err.(Error)
@@ -175,18 +178,22 @@ type ConnRemoteAddr interface {
 // support for parsing arguments and serializing (result) objects.
 type jsonCodec struct {
 	remote  string
-	closer  sync.Once                 // close closed channel once
-	closeCh chan interface{}          // closed on Close
-	decode  func(v interface{}) error // decoder to allow multiple transports
-	encMu   sync.Mutex                // guards the encoder
-	encode  func(v interface{}) error // encoder to allow multiple transports
+	closer  sync.Once        // close closed channel once
+	closeCh chan interface{} // closed on Close
+	decode  decodeFunc       // decoder to allow multiple transports
+	encMu   sync.Mutex       // guards the encoder
+	encode  encodeFunc       // encoder to allow multiple transports
 	conn    deadlineCloser
 }
 
+type encodeFunc = func(v interface{}, isErrorResponse bool) error
+
+type decodeFunc = func(v interface{}) error
+
 // NewFuncCodec creates a codec which uses the given functions to read and write. If conn
 // implements ConnRemoteAddr, log messages will use it to include the remote address of
 // the connection.
-func NewFuncCodec(conn deadlineCloser, encode, decode func(v interface{}) error) ServerCodec {
+func NewFuncCodec(conn deadlineCloser, encode encodeFunc, decode decodeFunc) ServerCodec {
 	codec := &jsonCodec{
 		closeCh: make(chan interface{}),
 		encode:  encode,
@@ -205,7 +212,11 @@ func NewCodec(conn Conn) ServerCodec {
 	enc := json.NewEncoder(conn)
 	dec := json.NewDecoder(conn)
 	dec.UseNumber()
-	return NewFuncCodec(conn, enc.Encode, dec.Decode)
+
+	encode := func(v interface{}, isErrorResponse bool) error {
+		return enc.Encode(v)
+	}
+	return NewFuncCodec(conn, encode, dec.Decode)
 }
 
 func (c *jsonCodec) peerInfo() PeerInfo {
@@ -235,11 +246,11 @@ func (c *jsonCodec) readBatch() (messages []*jsonrpcMessage, batch bool, err err
 	return messages, batch, nil
 }
 
-func (c *jsonCodec) writeJSON(ctx context.Context, val interface{}) error {
-	return c.writeJSONSkipDeadline(ctx, val, false)
+func (c *jsonCodec) writeJSON(ctx context.Context, val interface{}, isErrorResponse bool) error {
+	return c.writeJSONSkipDeadline(ctx, val, isErrorResponse, false)
 }
 
-func (c *jsonCodec) writeJSONSkipDeadline(ctx context.Context, v interface{}, skip bool) error {
+func (c *jsonCodec) writeJSONSkipDeadline(ctx context.Context, v interface{}, isErrorResponse bool, skip bool) error {
 	c.encMu.Lock()
 	defer c.encMu.Unlock()
 
@@ -251,7 +262,7 @@ func (c *jsonCodec) writeJSONSkipDeadline(ctx context.Context, v interface{}, sk
 		}
 	}
 	c.conn.SetWriteDeadline(deadline)
-	return c.encode(v)
+	return c.encode(v, isErrorResponse)
 }
 
 func (c *jsonCodec) close() {
diff --git a/rpc/server.go b/rpc/server.go
index fa79a8b55f..13e6f60cdb 100644
--- a/rpc/server.go
+++ b/rpc/server.go
@@ -29,10 +29,10 @@ package rpc
 import (
 	"context"
 	"io"
+	"sync"
 	"sync/atomic"
 	"time"
 
-	mapset "github.com/deckarep/golang-set"
 	"github.com/ethereum/go-ethereum/log"
 )
 
@@ -55,9 +55,11 @@ const (
 type Server struct {
 	services        serviceRegistry
 	idgen           func() ID
-	run             int32
-	codecs          mapset.Set
 	maximumDuration time.Duration
+
+	mutex  sync.Mutex
+	codecs map[ServerCodec]struct{}
+	run    int32
 }
 
 // NewServer creates a new server instance with no registered handlers.
@@ -68,7 +70,7 @@ type Server struct {
 func NewServer(maximumDuration time.Duration) *Server {
 	server := &Server{
 		idgen:           randomIDGenerator(),
-		codecs:          mapset.NewSet(),
+		codecs:          make(map[ServerCodec]struct{}),
 		run:             1,
 		maximumDuration: maximumDuration,
 	}
@@ -95,20 +97,34 @@ func (s *Server) RegisterName(name string, receiver interface{}) error {
 func (s *Server) ServeCodec(codec ServerCodec, options CodecOption, apiMaxDuration, refillRate, maxStored time.Duration) {
 	defer codec.close()
 
-	// Don't serve if server is stopped.
-	if atomic.LoadInt32(&s.run) == 0 {
+	if !s.trackCodec(codec) {
 		return
 	}
-
-	// Add the codec to the set so it can be closed by Stop.
-	s.codecs.Add(codec)
-	defer s.codecs.Remove(codec)
+	defer s.untrackCodec(codec)
 
 	c := initClient(codec, s.idgen, &s.services, apiMaxDuration, refillRate, maxStored)
 	<-codec.closed()
 	c.Close()
 }
 
+func (s *Server) trackCodec(codec ServerCodec) bool {
+	s.mutex.Lock()
+	defer s.mutex.Unlock()
+
+	if atomic.LoadInt32(&s.run) == 0 {
+		return false // Don't serve if server is stopped.
+	}
+	s.codecs[codec] = struct{}{}
+	return true
+}
+
+func (s *Server) untrackCodec(codec ServerCodec) {
+	s.mutex.Lock()
+	defer s.mutex.Unlock()
+
+	delete(s.codecs, codec)
+}
+
 // serveSingleRequest reads and processes a single RPC request from the given codec. This
 // is used to serve HTTP connections. Subscriptions and reverse calls are not allowed in
 // this mode.
@@ -126,7 +142,8 @@ func (s *Server) serveSingleRequest(ctx context.Context, codec ServerCodec) {
 	reqs, batch, err := codec.readBatch()
 	if err != nil {
 		if err != io.EOF {
-			codec.writeJSON(ctx, errorMessage(&invalidMessageError{"parse error"}))
+			resp := errorMessage(&invalidMessageError{"parse error"})
+			codec.writeJSON(ctx, resp, true)
 		}
 		return
 	}
@@ -141,12 +158,14 @@ func (s *Server) serveSingleRequest(ctx context.Context, codec ServerCodec) {
 // requests to finish, then closes all codecs which will cancel pending requests and
 // subscriptions.
 func (s *Server) Stop() {
+	s.mutex.Lock()
+	defer s.mutex.Unlock()
+
 	if atomic.CompareAndSwapInt32(&s.run, 1, 0) {
 		log.Debug("RPC server shutting down")
-		s.codecs.Each(func(c interface{}) bool {
-			c.(ServerCodec).close()
-			return true
-		})
+		for codec := range s.codecs {
+			codec.close()
+		}
 	}
 }
 
diff --git a/rpc/server_test.go b/rpc/server_test.go
index a7da64e509..e3b26623e1 100644
--- a/rpc/server_test.go
+++ b/rpc/server_test.go
@@ -54,7 +54,7 @@ func TestServerRegisterName(t *testing.T) {
 		t.Fatalf("Expected service calc to be registered")
 	}
 
-	wantCallbacks := 10
+	wantCallbacks := 13
 	if len(svc.callbacks) != wantCallbacks {
 		t.Errorf("Expected %d callbacks for service 'service', got %d", wantCallbacks, len(svc.callbacks))
 	}
diff --git a/rpc/service.go b/rpc/service.go
index 86ec93fd56..cbdb8e3047 100644
--- a/rpc/service.go
+++ b/rpc/service.go
@@ -28,7 +28,6 @@ package rpc
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"reflect"
 	"runtime"
@@ -209,7 +208,7 @@ func (c *callback) call(ctx context.Context, method string, args []reflect.Value
 			buf := make([]byte, size)
 			buf = buf[:runtime.Stack(buf, false)]
 			log.Error("RPC method " + method + " crashed: " + fmt.Sprintf("%v\n%s", err, buf))
-			errRes = errors.New("method handler crashed")
+			errRes = &internalServerError{errcodePanic, "method handler crashed"}
 		}
 	}()
 	// Run the callback.
diff --git a/rpc/subscription.go b/rpc/subscription.go
index 4e9fa3235b..3544a69ffb 100644
--- a/rpc/subscription.go
+++ b/rpc/subscription.go
@@ -185,11 +185,13 @@ func (n *Notifier) activate() error {
 func (n *Notifier) send(sub *Subscription, data json.RawMessage) error {
 	params, _ := json.Marshal(&subscriptionResult{ID: string(sub.ID), Result: data})
 	ctx := context.Background()
-	return n.h.conn.writeJSON(ctx, &jsonrpcMessage{
+
+	msg := &jsonrpcMessage{
 		Version: vsn,
 		Method:  n.namespace + notificationMethodSuffix,
 		Params:  params,
-	})
+	}
+	return n.h.conn.writeJSON(ctx, msg, false)
 }
 
 // A Subscription is created by a notifier and tied to that notifier. The client can use
diff --git a/rpc/subscription_test.go b/rpc/subscription_test.go
index 72caeb85d3..d09815a685 100644
--- a/rpc/subscription_test.go
+++ b/rpc/subscription_test.go
@@ -89,7 +89,7 @@ func TestSubscriptions(t *testing.T) {
 		request := map[string]interface{}{
 			"id":      i,
 			"method":  fmt.Sprintf("%s_subscribe", namespace),
-			"version": "2.0",
+			"jsonrpc": "2.0",
 			"params":  []interface{}{"someSubscription", notificationCount, i},
 		}
 		if err := out.Encode(&request); err != nil {
diff --git a/rpc/testdata/internal-error.js b/rpc/testdata/internal-error.js
new file mode 100644
index 0000000000..2ba387401f
--- /dev/null
+++ b/rpc/testdata/internal-error.js
@@ -0,0 +1,7 @@
+// These tests trigger various 'internal error' conditions.
+
+--> {"jsonrpc":"2.0","id":1,"method":"test_marshalError","params": []}
+<-- {"jsonrpc":"2.0","id":1,"error":{"code":-32603,"message":"json: error calling MarshalText for type *rpc.MarshalErrObj: marshal error"}}
+
+--> {"jsonrpc":"2.0","id":2,"method":"test_panic","params": []}
+<-- {"jsonrpc":"2.0","id":2,"error":{"code":-32603,"message":"method handler crashed"}}
diff --git a/rpc/testdata/invalid-badversion.js b/rpc/testdata/invalid-badversion.js
new file mode 100644
index 0000000000..75b5291dc3
--- /dev/null
+++ b/rpc/testdata/invalid-badversion.js
@@ -0,0 +1,19 @@
+// This test checks processing of messages with invalid Version.
+
+--> {"jsonrpc":"2.0","id":1,"method":"test_echo","params":["x", 3]}
+<-- {"jsonrpc":"2.0","id":1,"result":{"String":"x","Int":3,"Args":null}}
+
+--> {"jsonrpc":"2.1","id":1,"method":"test_echo","params":["x", 3]}
+<-- {"jsonrpc":"2.0","id":1,"error":{"code":-32600,"message":"invalid request"}}
+
+--> {"jsonrpc":"go-ethereum","id":1,"method":"test_echo","params":["x", 3]}
+<-- {"jsonrpc":"2.0","id":1,"error":{"code":-32600,"message":"invalid request"}}
+
+--> {"jsonrpc":1,"id":1,"method":"test_echo","params":["x", 3]}
+<-- {"jsonrpc":"2.0","id":1,"error":{"code":-32600,"message":"invalid request"}}
+
+--> {"jsonrpc":2.0,"id":1,"method":"test_echo","params":["x", 3]}
+<-- {"jsonrpc":"2.0","id":1,"error":{"code":-32600,"message":"invalid request"}}
+
+--> {"id":1,"method":"test_echo","params":["x", 3]}
+<-- {"jsonrpc":"2.0","id":1,"error":{"code":-32600,"message":"invalid request"}}
diff --git a/rpc/testservice_test.go b/rpc/testservice_test.go
index e3c8d74c05..c06efa9838 100644
--- a/rpc/testservice_test.go
+++ b/rpc/testservice_test.go
@@ -80,8 +80,18 @@ func (testError) Error() string          { return "testError" }
 func (testError) ErrorCode() int         { return 444 }
 func (testError) ErrorData() interface{} { return "testError data" }
 
+type MarshalErrObj struct{}
+
+func (o *MarshalErrObj) MarshalText() ([]byte, error) {
+	return nil, errors.New("marshal error")
+}
+
 func (s *testService) NoArgsRets() {}
 
+func (s *testService) Null() any {
+	return nil
+}
+
 func (s *testService) Echo(str string, i int, args *echoArgs) echoResult {
 	return echoResult{str, i, args}
 }
@@ -124,6 +134,14 @@ func (s *testService) ReturnError() error {
 	return testError{}
 }
 
+func (s *testService) MarshalError() *MarshalErrObj {
+	return &MarshalErrObj{}
+}
+
+func (s *testService) Panic() string {
+	panic("service panic")
+}
+
 func (s *testService) CallMeBack(ctx context.Context, method string, args []interface{}) (interface{}, error) {
 	c, ok := ClientFromContext(ctx)
 	if !ok {
diff --git a/rpc/types.go b/rpc/types.go
index efb8b221d9..cf1de90f77 100644
--- a/rpc/types.go
+++ b/rpc/types.go
@@ -60,8 +60,10 @@ type ServerCodec interface {
 // jsonWriter can write JSON messages to its underlying connection.
 // Implementations must be safe for concurrent use.
 type jsonWriter interface {
-	writeJSON(context.Context, interface{}) error
-	writeJSONSkipDeadline(context.Context, interface{}, bool) error
+	// writeJSON writes a message to the connection.
+	writeJSON(ctx context.Context, msg interface{}, isError bool) error
+	// writeJSON writes a message to the connection with the option of skipping the deadline.
+	writeJSONSkipDeadline(ctx context.Context, msg interface{}, isError bool, skip bool) error
 	// Closed returns a channel which is closed when the connection is closed.
 	closed() <-chan interface{}
 	// RemoteAddr returns the peer address of the connection.
@@ -78,7 +80,7 @@ const (
 )
 
 // UnmarshalJSON parses the given JSON fragment into a BlockNumber. It supports:
-// - "accepted", "finalized", "latest", "earliest" or "pending" as string arguments
+// - "accepted", "safe", "finalized", "latest", "earliest" or "pending" as string arguments
 // - the block number
 // Returned errors:
 // - an invalid block number error when the given argument isn't a known strings
@@ -250,24 +252,3 @@ func BlockNumberOrHashWithHash(hash common.Hash, canonical bool) BlockNumberOrHa
 		RequireCanonical: canonical,
 	}
 }
-
-// DecimalOrHex unmarshals a non-negative decimal or hex parameter into a uint64.
-type DecimalOrHex uint64
-
-// UnmarshalJSON implements json.Unmarshaler.
-func (dh *DecimalOrHex) UnmarshalJSON(data []byte) error {
-	input := strings.TrimSpace(string(data))
-	if len(input) >= 2 && input[0] == '"' && input[len(input)-1] == '"' {
-		input = input[1 : len(input)-1]
-	}
-
-	value, err := strconv.ParseUint(input, 10, 64)
-	if err != nil {
-		value, err = hexutil.DecodeUint64(input)
-	}
-	if err != nil {
-		return err
-	}
-	*dh = DecimalOrHex(value)
-	return nil
-}
diff --git a/rpc/websocket.go b/rpc/websocket.go
index 9e75a0b41c..efee4642d2 100644
--- a/rpc/websocket.go
+++ b/rpc/websocket.go
@@ -37,7 +37,7 @@ import (
 	"sync"
 	"time"
 
-	mapset "github.com/deckarep/golang-set"
+	mapset "github.com/deckarep/golang-set/v2"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/gorilla/websocket"
 )
@@ -83,7 +83,7 @@ func (s *Server) WebsocketHandlerWithDuration(allowedOrigins []string, apiMaxDur
 // websocket upgrade process. When a '*' is specified as an allowed origins all
 // connections are accepted.
 func wsHandshakeValidator(allowedOrigins []string) func(*http.Request) bool {
-	origins := mapset.NewSet()
+	origins := mapset.NewSet[string]()
 	allowAllOrigins := false
 
 	for _, origin := range allowedOrigins {
@@ -136,10 +136,10 @@ func (e wsHandshakeError) Error() string {
 	return s
 }
 
-func originIsAllowed(allowedOrigins mapset.Set, browserOrigin string) bool {
+func originIsAllowed(allowedOrigins mapset.Set[string], browserOrigin string) bool {
 	it := allowedOrigins.Iterator()
 	for origin := range it.C {
-		if ruleAllowsOrigin(origin.(string), browserOrigin) {
+		if ruleAllowsOrigin(origin, browserOrigin) {
 			return true
 		}
 	}
@@ -195,24 +195,23 @@ func parseOriginURL(origin string) (string, string, string, error) {
 	return scheme, hostname, port, nil
 }
 
-// DialWebsocketWithDialer creates a new RPC client that communicates with a JSON-RPC server
-// that is listening on the given endpoint using the provided dialer.
+// DialWebsocketWithDialer creates a new RPC client using WebSocket.
+//
+// The context is used for the initial connection establishment. It does not
+// affect subsequent interactions with the client.
+//
+// Deprecated: use DialOptions and the WithWebsocketDialer option.
 func DialWebsocketWithDialer(ctx context.Context, endpoint, origin string, dialer websocket.Dialer) (*Client, error) {
-	endpoint, header, err := wsClientHeaders(endpoint, origin)
+	cfg := new(clientConfig)
+	cfg.wsDialer = &dialer
+	if origin != "" {
+		cfg.setHeader("origin", origin)
+	}
+	connect, err := newClientTransportWS(endpoint, cfg)
 	if err != nil {
 		return nil, err
 	}
-	return newClient(ctx, func(ctx context.Context) (ServerCodec, error) {
-		conn, resp, err := dialer.DialContext(ctx, endpoint, header)
-		if err != nil {
-			hErr := wsHandshakeError{err: err}
-			if resp != nil {
-				hErr.status = resp.Status
-			}
-			return nil, hErr
-		}
-		return newWebsocketCodec(conn, endpoint, header), nil
-	})
+	return newClient(ctx, connect)
 }
 
 // DialWebsocket creates a new RPC client that communicates with a JSON-RPC server
@@ -221,12 +220,53 @@ func DialWebsocketWithDialer(ctx context.Context, endpoint, origin string, diale
 // The context is used for the initial connection establishment. It does not
 // affect subsequent interactions with the client.
 func DialWebsocket(ctx context.Context, endpoint, origin string) (*Client, error) {
-	dialer := websocket.Dialer{
-		ReadBufferSize:  wsReadBuffer,
-		WriteBufferSize: wsWriteBuffer,
-		WriteBufferPool: wsBufferPool,
+	cfg := new(clientConfig)
+	if origin != "" {
+		cfg.setHeader("origin", origin)
 	}
-	return DialWebsocketWithDialer(ctx, endpoint, origin, dialer)
+	connect, err := newClientTransportWS(endpoint, cfg)
+	if err != nil {
+		return nil, err
+	}
+	return newClient(ctx, connect)
+}
+
+func newClientTransportWS(endpoint string, cfg *clientConfig) (reconnectFunc, error) {
+	dialer := cfg.wsDialer
+	if dialer == nil {
+		dialer = &websocket.Dialer{
+			ReadBufferSize:  wsReadBuffer,
+			WriteBufferSize: wsWriteBuffer,
+			WriteBufferPool: wsBufferPool,
+		}
+	}
+
+	dialURL, header, err := wsClientHeaders(endpoint, "")
+	if err != nil {
+		return nil, err
+	}
+	for key, values := range cfg.httpHeaders {
+		header[key] = values
+	}
+
+	connect := func(ctx context.Context) (ServerCodec, error) {
+		header := header.Clone()
+		if cfg.httpAuth != nil {
+			if err := cfg.httpAuth(header); err != nil {
+				return nil, err
+			}
+		}
+		conn, resp, err := dialer.DialContext(ctx, dialURL, header)
+		if err != nil {
+			hErr := wsHandshakeError{err: err}
+			if resp != nil {
+				hErr.status = resp.Status
+			}
+			return nil, hErr
+		}
+		return newWebsocketCodec(conn, dialURL, header), nil
+	}
+	return connect, nil
 }
 
 func wsClientHeaders(endpoint, origin string) (string, http.Header, error) {
@@ -261,8 +301,12 @@ func newWebsocketCodec(conn *websocket.Conn, host string, req http.Header) Serve
 		conn.SetReadDeadline(time.Time{})
 		return nil
 	})
+
+	encode := func(v interface{}, isErrorResponse bool) error {
+		return conn.WriteJSON(v)
+	}
 	wc := &websocketCodec{
-		jsonCodec: NewFuncCodec(conn, conn.WriteJSON, conn.ReadJSON).(*jsonCodec),
+		jsonCodec: NewFuncCodec(conn, encode, conn.ReadJSON).(*jsonCodec),
 		conn:      conn,
 		pingReset: make(chan struct{}, 1),
 		info: PeerInfo{
@@ -289,12 +333,12 @@ func (wc *websocketCodec) peerInfo() PeerInfo {
 	return wc.info
 }
 
-func (wc *websocketCodec) writeJSON(ctx context.Context, v interface{}) error {
-	return wc.writeJSONSkipDeadline(ctx, v, false)
+func (wc *websocketCodec) writeJSON(ctx context.Context, v interface{}, isError bool) error {
+	return wc.writeJSONSkipDeadline(ctx, v, isError, false)
 }
 
-func (wc *websocketCodec) writeJSONSkipDeadline(ctx context.Context, v interface{}, skip bool) error {
-	err := wc.jsonCodec.writeJSONSkipDeadline(ctx, v, skip)
+func (wc *websocketCodec) writeJSONSkipDeadline(ctx context.Context, v interface{}, isError bool, skip bool) error {
+	err := wc.jsonCodec.writeJSONSkipDeadline(ctx, v, isError, skip)
 	if err == nil {
 		// Notify pingLoop to delay the next idle ping.
 		select {
diff --git a/rpc/websocket_test.go b/rpc/websocket_test.go
index 31e9847a07..c9a8c439e9 100644
--- a/rpc/websocket_test.go
+++ b/rpc/websocket_test.go
@@ -29,15 +29,10 @@ package rpc
 import (
 	"context"
 	"errors"
-	"io"
 	"net"
 	"net/http"
 	"net/http/httptest"
-	"net/http/httputil"
-	"net/url"
-	"os"
 	"strings"
-	"sync/atomic"
 	"testing"
 	"time"
 
@@ -240,66 +235,6 @@ func TestClientWebsocketLargeMessage(t *testing.T) {
 	}
 }
 
-func TestClientWebsocketSevered(t *testing.T) {
-	if os.Getenv("RUN_FLAKY_TESTS") != "true" {
-		t.Skip("FLAKY")
-	}
-	t.Parallel()
-
-	var (
-		server = wsPingTestServer(t, nil)
-		ctx    = context.Background()
-	)
-	defer server.Shutdown(ctx)
-
-	u, err := url.Parse("http://" + server.Addr)
-	if err != nil {
-		t.Fatal(err)
-	}
-	rproxy := httputil.NewSingleHostReverseProxy(u)
-	var severable *severableReadWriteCloser
-	rproxy.ModifyResponse = func(response *http.Response) error {
-		severable = &severableReadWriteCloser{ReadWriteCloser: response.Body.(io.ReadWriteCloser)}
-		response.Body = severable
-		return nil
-	}
-	frontendProxy := httptest.NewServer(rproxy)
-	defer frontendProxy.Close()
-
-	wsURL := "ws:" + strings.TrimPrefix(frontendProxy.URL, "http:")
-	client, err := DialWebsocket(ctx, wsURL, "")
-	if err != nil {
-		t.Fatalf("client dial error: %v", err)
-	}
-	defer client.Close()
-
-	resultChan := make(chan int)
-	sub, err := client.EthSubscribe(ctx, resultChan, "foo")
-	if err != nil {
-		t.Fatalf("client subscribe error: %v", err)
-	}
-
-	// sever the connection
-	severable.Sever()
-
-	// Wait for subscription error.
-	timeout := time.NewTimer(5 * wsPingInterval)
-	defer timeout.Stop()
-	for {
-		select {
-		case err := <-sub.Err():
-			t.Log("client subscription error:", err)
-			return
-		case result := <-resultChan:
-			t.Error("unexpected result:", result)
-			return
-		case <-timeout.C:
-			t.Error("didn't get any error within the test timeout")
-			return
-		}
-	}
-}
-
 // wsPingTestServer runs a WebSocket server which accepts a single subscription request.
 // When a value arrives on sendPing, the server sends a ping frame, waits for a matching
 // pong and finally delivers a single subscription result.
@@ -402,31 +337,3 @@ func wsPingTestHandler(t *testing.T, conn *websocket.Conn, shutdown, sendPing <-
 		}
 	}
 }
-
-// severableReadWriteCloser wraps an io.ReadWriteCloser and provides a Sever() method to drop writes and read empty.
-type severableReadWriteCloser struct {
-	io.ReadWriteCloser
-	severed int32 // atomic
-}
-
-func (s *severableReadWriteCloser) Sever() {
-	atomic.StoreInt32(&s.severed, 1)
-}
-
-func (s *severableReadWriteCloser) Read(p []byte) (n int, err error) {
-	if atomic.LoadInt32(&s.severed) > 0 {
-		return 0, nil
-	}
-	return s.ReadWriteCloser.Read(p)
-}
-
-func (s *severableReadWriteCloser) Write(p []byte) (n int, err error) {
-	if atomic.LoadInt32(&s.severed) > 0 {
-		return len(p), nil
-	}
-	return s.ReadWriteCloser.Write(p)
-}
-
-func (s *severableReadWriteCloser) Close() error {
-	return s.ReadWriteCloser.Close()
-}
diff --git a/scripts/build.sh b/scripts/build.sh
index 371e2d68a2..e1aab0a256 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -49,5 +49,5 @@ else
 fi
 
 # Build Subnet EVM, which is run as a subprocess
-echo "Building Subnet EVM Version: $SUBNET_EVM_VERSION at $BINARY_PATH"
-go build -ldflags "-X github.com/ava-labs/subnet-evm/plugin/evm.GitCommit=$SUBNET_EVM_COMMIT -X github.com/ava-labs/subnet-evm/plugin/evm.Version=$SUBNET_EVM_VERSION $STATIC_LD_FLAGS" -o "$BINARY_PATH" "plugin/"*.go
+echo "Building Subnet EVM @ GitCommit: $SUBNET_EVM_COMMIT at $BINARY_PATH"
+go build -ldflags "-X github.com/ava-labs/subnet-evm/plugin/evm.GitCommit=$SUBNET_EVM_COMMIT $STATIC_LD_FLAGS" -o "$BINARY_PATH" "plugin/"*.go
diff --git a/scripts/build_test.sh b/scripts/build_test.sh
index adb148a01e..93dea5ec11 100755
--- a/scripts/build_test.sh
+++ b/scripts/build_test.sh
@@ -20,5 +20,5 @@ source "$SUBNET_EVM_PATH"/scripts/constants.sh
 
 # We pass in the arguments to this script directly to enable easily passing parameters such as enabling race detection,
 # parallelism, and test coverage.
-# DO NOT RUN "tests/precompile" or "tests/load" since it's run by ginkgo
-go test -coverprofile=coverage.out -covermode=atomic -timeout="30m" $@ $(go list ./... | grep -v tests/precompile | grep -v tests/load)
+# DO NOT RUN tests from the top level "tests" directory since they are run by ginkgo
+go test -coverprofile=coverage.out -covermode=atomic -timeout="30m" $@ $(go list ./... | grep -v github.com/ava-labs/subnet-evm/tests)
diff --git a/scripts/geth-allowed-packages.txt b/scripts/geth-allowed-packages.txt
index 95f53d07b1..b697ede5cf 100644
--- a/scripts/geth-allowed-packages.txt
+++ b/scripts/geth-allowed-packages.txt
@@ -3,6 +3,7 @@
 "github.com/ethereum/go-ethereum/common/bitutil"
 "github.com/ethereum/go-ethereum/common/compiler"
 "github.com/ethereum/go-ethereum/common/hexutil"
+"github.com/ethereum/go-ethereum/common/lru"
 "github.com/ethereum/go-ethereum/common/math"
 "github.com/ethereum/go-ethereum/common/prque"
 "github.com/ethereum/go-ethereum/core/asm"
diff --git a/scripts/run.sh b/scripts/run.sh
index 699a7f4588..c56e81cbb9 100755
--- a/scripts/run.sh
+++ b/scripts/run.sh
@@ -31,7 +31,7 @@ function _set_config(){
   cat <<EOF >$1
   {
     "network-id": "local",
-    "staking-enabled": false,
+    "sybil-protection-enabled": false,
     "health-check-frequency": "5s",
     "plugin-dir": "$AVALANCHEGO_PLUGIN_DIR"
   }
diff --git a/scripts/run_ginkgo.sh b/scripts/run_ginkgo.sh
index db9bd61bf2..1e283c8df0 100755
--- a/scripts/run_ginkgo.sh
+++ b/scripts/run_ginkgo.sh
@@ -16,19 +16,24 @@ source "$SUBNET_EVM_PATH"/scripts/constants.sh
 source "$SUBNET_EVM_PATH"/scripts/versions.sh
 
 # Build ginkgo
-echo "building precompile.test"
 # to install the ginkgo binary (required for test build and run)
 go install -v github.com/onsi/ginkgo/v2/ginkgo@${GINKGO_VERSION}
 
-ACK_GINKGO_RC=true ginkgo build ./tests/precompile ./tests/load
+TEST_SOURCE_ROOT=$(pwd)
+
+ACK_GINKGO_RC=true ginkgo build ./tests/load ./tests/warp
 
 # By default, it runs all e2e test cases!
 # Use "--ginkgo.skip" to skip tests.
 # Use "--ginkgo.focus" to select tests.
-./tests/precompile/precompile.test \
+TEST_SOURCE_ROOT="$TEST_SOURCE_ROOT" ginkgo run -procs=5 tests/precompile \
   --ginkgo.vv \
   --ginkgo.label-filter=${GINKGO_LABEL_FILTER:-""}
 
 ./tests/load/load.test \
   --ginkgo.vv \
   --ginkgo.label-filter=${GINKGO_LABEL_FILTER:-""}
+
+./tests/warp/warp.test \
+  --ginkgo.vv \
+  --ginkgo.label-filter=${GINKGO_LABEL_FILTER:-""}
diff --git a/scripts/run_local.sh b/scripts/run_local.sh
index a12a11be3c..89df5e92a9 100755
--- a/scripts/run_local.sh
+++ b/scripts/run_local.sh
@@ -27,6 +27,6 @@ avalanche subnet configure hubblenet --chain-config chain.json --config .avalanc
 
 # use the same avalanchego version as the one used in subnet-evm
 # use tee to keep showing outut while storing in a var
-OUTPUT=$(avalanche subnet deploy hubblenet -l --avalanchego-version v1.10.1 --config .avalanche-cli.json | tee /dev/fd/2)
+OUTPUT=$(avalanche subnet deploy hubblenet -l --avalanchego-version v1.10.5 --config .avalanche-cli.json | tee /dev/fd/2)
 
 setStatus
diff --git a/scripts/upgrade_local.sh b/scripts/upgrade_local.sh
index 07ba9c583d..b741f88568 100755
--- a/scripts/upgrade_local.sh
+++ b/scripts/upgrade_local.sh
@@ -9,6 +9,6 @@ avalanche network stop --snapshot-name snap1
 avalanche subnet upgrade vm hubblenet --binary custom_evm.bin --local
 
 # utse tee to keep showing outut while storing in a var
-OUTPUT=$(avalanche network start --avalanchego-version v1.10.1 --snapshot-name snap1 --config .avalanche-cli.json | tee /dev/fd/2)
+OUTPUT=$(avalanche network start --avalanchego-version v1.10.5 --snapshot-name snap1 --config .avalanche-cli.json | tee /dev/fd/2)
 
 setStatus
diff --git a/scripts/versions.sh b/scripts/versions.sh
index e8f0c096c9..be00d9e554 100644
--- a/scripts/versions.sh
+++ b/scripts/versions.sh
@@ -1,11 +1,11 @@
 #!/usr/bin/env bash
 
 # Set up the versions to be used - populate ENV variables only if they are not already populated
-SUBNET_EVM_VERSION=${SUBNET_EVM_VERSION:-'v0.5.1'}
+SUBNET_EVM_VERSION=${SUBNET_EVM_VERSION:-'v0.5.4'}
 # Don't export them as they're used in the context of other calls
-AVALANCHE_VERSION=${AVALANCHE_VERSION:-'v1.10.1'}
+AVALANCHE_VERSION=${AVALANCHE_VERSION:-'v1.10.6-rc.4'}
 AVALANCHEGO_VERSION=${AVALANCHEGO_VERSION:-$AVALANCHE_VERSION}
 GINKGO_VERSION=${GINKGO_VERSION:-'v2.2.0'}
 
 # This won't be used, but it's here to make code syncs easier
-LATEST_CORETH_VERSION=0.11.6
+LATEST_CORETH_VERSION='0.12.4-rc.0'
diff --git a/sync/handlers/leafs_request.go b/sync/handlers/leafs_request.go
index f2872ae8f8..c20f00d85e 100644
--- a/sync/handlers/leafs_request.go
+++ b/sync/handlers/leafs_request.go
@@ -90,7 +90,11 @@ func (lrh *LeafsRequestHandler) OnLeafsRequest(ctx context.Context, nodeID ids.N
 		return nil, nil
 	}
 
-	t, err := trie.New(leafsRequest.Account, leafsRequest.Root, lrh.trieDB)
+	// TODO: We should know the state root that accounts correspond to,
+	// as this information will be necessary to access storage tries when
+	// the trie is path based.
+	stateRoot := common.Hash{}
+	t, err := trie.New(trie.StorageTrieID(stateRoot, leafsRequest.Account, leafsRequest.Root), lrh.trieDB)
 	if err != nil {
 		log.Debug("error opening trie when processing request, dropping request", "nodeID", nodeID, "requestID", requestID, "root", leafsRequest.Root, "err", err)
 		lrh.stats.IncMissingRoot()
diff --git a/sync/handlers/leafs_request_test.go b/sync/handlers/leafs_request_test.go
index d62422788d..6d374c10cd 100644
--- a/sync/handlers/leafs_request_test.go
+++ b/sync/handlers/leafs_request_test.go
@@ -71,6 +71,12 @@ func TestLeafsRequestHandler_OnLeafsRequest(t *testing.T) {
 	}
 	snapshotProvider := &TestSnapshotProvider{}
 	leafsHandler := NewLeafsRequestHandler(trieDB, snapshotProvider, message.Codec, mockHandlerStats)
+	snapConfig := snapshot.Config{
+		CacheSize:  64,
+		AsyncBuild: false,
+		NoBuild:    false,
+		SkipVerify: true,
+	}
 
 	tests := map[string]struct {
 		prepareTestFn    func() (context.Context, message.LeafsRequest)
@@ -422,7 +428,7 @@ func TestLeafsRequestHandler_OnLeafsRequest(t *testing.T) {
 		},
 		"account data served from snapshot": {
 			prepareTestFn: func() (context.Context, message.LeafsRequest) {
-				snap, err := snapshot.New(memdb, trieDB, 64, common.Hash{}, accountTrieRoot, false, true, false)
+				snap, err := snapshot.New(snapConfig, memdb, trieDB, common.Hash{}, accountTrieRoot)
 				if err != nil {
 					t.Fatal(err)
 				}
@@ -448,7 +454,7 @@ func TestLeafsRequestHandler_OnLeafsRequest(t *testing.T) {
 		},
 		"partial account data served from snapshot": {
 			prepareTestFn: func() (context.Context, message.LeafsRequest) {
-				snap, err := snapshot.New(memdb, trieDB, 64, common.Hash{}, accountTrieRoot, false, true, false)
+				snap, err := snapshot.New(snapConfig, memdb, trieDB, common.Hash{}, accountTrieRoot)
 				if err != nil {
 					t.Fatal(err)
 				}
@@ -503,7 +509,7 @@ func TestLeafsRequestHandler_OnLeafsRequest(t *testing.T) {
 		},
 		"storage data served from snapshot": {
 			prepareTestFn: func() (context.Context, message.LeafsRequest) {
-				snap, err := snapshot.New(memdb, trieDB, 64, common.Hash{}, accountTrieRoot, false, true, false)
+				snap, err := snapshot.New(snapConfig, memdb, trieDB, common.Hash{}, accountTrieRoot)
 				if err != nil {
 					t.Fatal(err)
 				}
@@ -530,7 +536,7 @@ func TestLeafsRequestHandler_OnLeafsRequest(t *testing.T) {
 		},
 		"partial storage data served from snapshot": {
 			prepareTestFn: func() (context.Context, message.LeafsRequest) {
-				snap, err := snapshot.New(memdb, trieDB, 64, common.Hash{}, accountTrieRoot, false, true, false)
+				snap, err := snapshot.New(snapConfig, memdb, trieDB, common.Hash{}, accountTrieRoot)
 				if err != nil {
 					t.Fatal(err)
 				}
@@ -580,7 +586,7 @@ func TestLeafsRequestHandler_OnLeafsRequest(t *testing.T) {
 		},
 		"last snapshot key removed": {
 			prepareTestFn: func() (context.Context, message.LeafsRequest) {
-				snap, err := snapshot.New(memdb, trieDB, 64, common.Hash{}, accountTrieRoot, false, true, false)
+				snap, err := snapshot.New(snapConfig, memdb, trieDB, common.Hash{}, accountTrieRoot)
 				if err != nil {
 					t.Fatal(err)
 				}
@@ -615,7 +621,7 @@ func TestLeafsRequestHandler_OnLeafsRequest(t *testing.T) {
 		},
 		"request last key when removed from snapshot": {
 			prepareTestFn: func() (context.Context, message.LeafsRequest) {
-				snap, err := snapshot.New(memdb, trieDB, 64, common.Hash{}, accountTrieRoot, false, true, false)
+				snap, err := snapshot.New(snapConfig, memdb, trieDB, common.Hash{}, accountTrieRoot)
 				if err != nil {
 					t.Fatal(err)
 				}
diff --git a/sync/statesync/sync_test.go b/sync/statesync/sync_test.go
index d23495ee2e..d9a31aa9ee 100644
--- a/sync/statesync/sync_test.go
+++ b/sync/statesync/sync_test.go
@@ -35,7 +35,7 @@ var errInterrupted = errors.New("interrupted sync")
 
 type syncTest struct {
 	ctx               context.Context
-	prepareForTest    func(t *testing.T) (clientDB ethdb.Database, serverTrieDB *trie.Database, syncRoot common.Hash)
+	prepareForTest    func(t *testing.T) (clientDB ethdb.Database, serverDB ethdb.Database, serverTrieDB *trie.Database, syncRoot common.Hash)
 	expectedError     error
 	GetLeafsIntercept func(message.LeafsRequest, message.LeafsResponse) (message.LeafsResponse, error)
 	GetCodeIntercept  func([]common.Hash, [][]byte) ([][]byte, error)
@@ -47,9 +47,9 @@ func testSync(t *testing.T, test syncTest) {
 	if test.ctx != nil {
 		ctx = test.ctx
 	}
-	clientDB, serverTrieDB, root := test.prepareForTest(t)
+	clientDB, serverDB, serverTrieDB, root := test.prepareForTest(t)
 	leafsRequestHandler := handlers.NewLeafsRequestHandler(serverTrieDB, nil, message.Codec, handlerstats.NewNoopHandlerStats())
-	codeRequestHandler := handlers.NewCodeRequestHandler(serverTrieDB.DiskDB(), message.Codec, handlerstats.NewNoopHandlerStats())
+	codeRequestHandler := handlers.NewCodeRequestHandler(serverDB, message.Codec, handlerstats.NewNoopHandlerStats())
 	mockClient := statesyncclient.NewMockClient(message.Codec, leafsRequestHandler, codeRequestHandler, nil)
 	// Set intercept functions for the mock client
 	mockClient.GetLeafsIntercept = test.GetLeafsIntercept
@@ -74,7 +74,7 @@ func testSync(t *testing.T, test syncTest) {
 		return
 	}
 
-	assertDBConsistency(t, root, serverTrieDB, trie.NewDatabase(clientDB))
+	assertDBConsistency(t, root, clientDB, serverTrieDB, trie.NewDatabase(clientDB))
 }
 
 // testSyncResumes tests a series of syncTests work as expected, invoking a callback function after each
@@ -118,15 +118,17 @@ func TestSimpleSyncCases(t *testing.T) {
 	)
 	tests := map[string]syncTest{
 		"accounts": {
-			prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-				serverTrieDB := trie.NewDatabase(memorydb.New())
+			prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+				serverDB := memorydb.New()
+				serverTrieDB := trie.NewDatabase(serverDB)
 				root, _ := trie.FillAccounts(t, serverTrieDB, common.Hash{}, numAccounts, nil)
-				return memorydb.New(), serverTrieDB, root
+				return memorydb.New(), serverDB, serverTrieDB, root
 			},
 		},
 		"accounts with code": {
-			prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-				serverTrieDB := trie.NewDatabase(memorydb.New())
+			prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+				serverDB := memorydb.New()
+				serverTrieDB := trie.NewDatabase(serverDB)
 				root, _ := trie.FillAccounts(t, serverTrieDB, common.Hash{}, numAccounts, func(t *testing.T, index int, account types.StateAccount) types.StateAccount {
 					if index%3 == 0 {
 						codeBytes := make([]byte, 256)
@@ -136,24 +138,26 @@ func TestSimpleSyncCases(t *testing.T) {
 						}
 
 						codeHash := crypto.Keccak256Hash(codeBytes)
-						rawdb.WriteCode(serverTrieDB.DiskDB(), codeHash, codeBytes)
+						rawdb.WriteCode(serverDB, codeHash, codeBytes)
 						account.CodeHash = codeHash[:]
 					}
 					return account
 				})
-				return memorydb.New(), serverTrieDB, root
+				return memorydb.New(), serverDB, serverTrieDB, root
 			},
 		},
 		"accounts with code and storage": {
-			prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-				serverTrieDB := trie.NewDatabase(memorydb.New())
-				root := fillAccountsWithStorage(t, serverTrieDB, common.Hash{}, numAccounts)
-				return memorydb.New(), serverTrieDB, root
+			prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+				serverDB := memorydb.New()
+				serverTrieDB := trie.NewDatabase(serverDB)
+				root := fillAccountsWithStorage(t, serverDB, serverTrieDB, common.Hash{}, numAccounts)
+				return memorydb.New(), serverDB, serverTrieDB, root
 			},
 		},
 		"accounts with storage": {
-			prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-				serverTrieDB := trie.NewDatabase(memorydb.New())
+			prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+				serverDB := memorydb.New()
+				serverTrieDB := trie.NewDatabase(serverDB)
 				root, _ := trie.FillAccounts(t, serverTrieDB, common.Hash{}, numAccounts, func(t *testing.T, i int, account types.StateAccount) types.StateAccount {
 					if i%5 == 0 {
 						account.Root, _, _ = trie.GenerateTrie(t, serverTrieDB, 16, common.HashLength)
@@ -161,21 +165,23 @@ func TestSimpleSyncCases(t *testing.T) {
 
 					return account
 				})
-				return memorydb.New(), serverTrieDB, root
+				return memorydb.New(), serverDB, serverTrieDB, root
 			},
 		},
 		"accounts with overlapping storage": {
-			prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-				serverTrieDB := trie.NewDatabase(memorydb.New())
+			prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+				serverDB := memorydb.New()
+				serverTrieDB := trie.NewDatabase(serverDB)
 				root, _ := FillAccountsWithOverlappingStorage(t, serverTrieDB, common.Hash{}, numAccounts, 3)
-				return memorydb.New(), serverTrieDB, root
+				return memorydb.New(), serverDB, serverTrieDB, root
 			},
 		},
 		"failed to fetch leafs": {
-			prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-				serverTrieDB := trie.NewDatabase(memorydb.New())
+			prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+				serverDB := memorydb.New()
+				serverTrieDB := trie.NewDatabase(serverDB)
 				root, _ := trie.FillAccounts(t, serverTrieDB, common.Hash{}, numAccountsSmall, nil)
-				return memorydb.New(), serverTrieDB, root
+				return memorydb.New(), serverDB, serverTrieDB, root
 			},
 			GetLeafsIntercept: func(_ message.LeafsRequest, _ message.LeafsResponse) (message.LeafsResponse, error) {
 				return message.LeafsResponse{}, clientErr
@@ -183,10 +189,11 @@ func TestSimpleSyncCases(t *testing.T) {
 			expectedError: clientErr,
 		},
 		"failed to fetch code": {
-			prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-				serverTrieDB := trie.NewDatabase(memorydb.New())
-				root := fillAccountsWithStorage(t, serverTrieDB, common.Hash{}, numAccountsSmall)
-				return memorydb.New(), serverTrieDB, root
+			prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+				serverDB := memorydb.New()
+				serverTrieDB := trie.NewDatabase(serverDB)
+				root := fillAccountsWithStorage(t, serverDB, serverTrieDB, common.Hash{}, numAccountsSmall)
+				return memorydb.New(), serverDB, serverTrieDB, root
 			},
 			GetCodeIntercept: func(_ []common.Hash, _ [][]byte) ([][]byte, error) {
 				return nil, clientErr
@@ -203,15 +210,16 @@ func TestSimpleSyncCases(t *testing.T) {
 }
 
 func TestCancelSync(t *testing.T) {
-	serverTrieDB := trie.NewDatabase(memorydb.New())
+	serverDB := memorydb.New()
+	serverTrieDB := trie.NewDatabase(serverDB)
 	// Create trie with 2000 accounts (more than one leaf request)
-	root := fillAccountsWithStorage(t, serverTrieDB, common.Hash{}, 2000)
+	root := fillAccountsWithStorage(t, serverDB, serverTrieDB, common.Hash{}, 2000)
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 	testSync(t, syncTest{
 		ctx: ctx,
-		prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-			return memorydb.New(), serverTrieDB, root
+		prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+			return memorydb.New(), serverDB, serverTrieDB, root
 		},
 		expectedError: context.Canceled,
 		GetLeafsIntercept: func(_ message.LeafsRequest, lr message.LeafsResponse) (message.LeafsResponse, error) {
@@ -243,7 +251,8 @@ func (i *interruptLeafsIntercept) getLeafsIntercept(request message.LeafsRequest
 }
 
 func TestResumeSyncAccountsTrieInterrupted(t *testing.T) {
-	serverTrieDB := trie.NewDatabase(memorydb.New())
+	serverDB := memorydb.New()
+	serverTrieDB := trie.NewDatabase(serverDB)
 	root, _ := FillAccountsWithOverlappingStorage(t, serverTrieDB, common.Hash{}, 2000, 3)
 	clientDB := memorydb.New()
 	intercept := &interruptLeafsIntercept{
@@ -251,8 +260,8 @@ func TestResumeSyncAccountsTrieInterrupted(t *testing.T) {
 		interruptAfter: 1,
 	}
 	testSync(t, syncTest{
-		prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-			return clientDB, serverTrieDB, root
+		prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+			return clientDB, serverDB, serverTrieDB, root
 		},
 		expectedError:     errInterrupted,
 		GetLeafsIntercept: intercept.getLeafsIntercept,
@@ -261,14 +270,15 @@ func TestResumeSyncAccountsTrieInterrupted(t *testing.T) {
 	assert.EqualValues(t, 2, intercept.numRequests)
 
 	testSync(t, syncTest{
-		prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-			return clientDB, serverTrieDB, root
+		prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+			return clientDB, serverDB, serverTrieDB, root
 		},
 	})
 }
 
 func TestResumeSyncLargeStorageTrieInterrupted(t *testing.T) {
-	serverTrieDB := trie.NewDatabase(memorydb.New())
+	serverDB := memorydb.New()
+	serverTrieDB := trie.NewDatabase(serverDB)
 
 	largeStorageRoot, _, _ := trie.GenerateTrie(t, serverTrieDB, 2000, common.HashLength)
 	root, _ := trie.FillAccounts(t, serverTrieDB, common.Hash{}, 2000, func(t *testing.T, index int, account types.StateAccount) types.StateAccount {
@@ -284,22 +294,23 @@ func TestResumeSyncLargeStorageTrieInterrupted(t *testing.T) {
 		interruptAfter: 1,
 	}
 	testSync(t, syncTest{
-		prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-			return clientDB, serverTrieDB, root
+		prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+			return clientDB, serverDB, serverTrieDB, root
 		},
 		expectedError:     errInterrupted,
 		GetLeafsIntercept: intercept.getLeafsIntercept,
 	})
 
 	testSync(t, syncTest{
-		prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-			return clientDB, serverTrieDB, root
+		prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+			return clientDB, serverDB, serverTrieDB, root
 		},
 	})
 }
 
 func TestResumeSyncToNewRootAfterLargeStorageTrieInterrupted(t *testing.T) {
-	serverTrieDB := trie.NewDatabase(memorydb.New())
+	serverDB := memorydb.New()
+	serverTrieDB := trie.NewDatabase(serverDB)
 
 	largeStorageRoot1, _, _ := trie.GenerateTrie(t, serverTrieDB, 2000, common.HashLength)
 	largeStorageRoot2, _, _ := trie.GenerateTrie(t, serverTrieDB, 2000, common.HashLength)
@@ -322,8 +333,8 @@ func TestResumeSyncToNewRootAfterLargeStorageTrieInterrupted(t *testing.T) {
 		interruptAfter: 1,
 	}
 	testSync(t, syncTest{
-		prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-			return clientDB, serverTrieDB, root1
+		prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+			return clientDB, serverDB, serverTrieDB, root1
 		},
 		expectedError:     errInterrupted,
 		GetLeafsIntercept: intercept.getLeafsIntercept,
@@ -332,14 +343,15 @@ func TestResumeSyncToNewRootAfterLargeStorageTrieInterrupted(t *testing.T) {
 	<-snapshot.WipeSnapshot(clientDB, false)
 
 	testSync(t, syncTest{
-		prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-			return clientDB, serverTrieDB, root2
+		prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+			return clientDB, serverDB, serverTrieDB, root2
 		},
 	})
 }
 
 func TestResumeSyncLargeStorageTrieWithConsecutiveDuplicatesInterrupted(t *testing.T) {
-	serverTrieDB := trie.NewDatabase(memorydb.New())
+	serverDB := memorydb.New()
+	serverTrieDB := trie.NewDatabase(serverDB)
 
 	largeStorageRoot, _, _ := trie.GenerateTrie(t, serverTrieDB, 2000, common.HashLength)
 	root, _ := trie.FillAccounts(t, serverTrieDB, common.Hash{}, 100, func(t *testing.T, index int, account types.StateAccount) types.StateAccount {
@@ -355,22 +367,23 @@ func TestResumeSyncLargeStorageTrieWithConsecutiveDuplicatesInterrupted(t *testi
 		interruptAfter: 1,
 	}
 	testSync(t, syncTest{
-		prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-			return clientDB, serverTrieDB, root
+		prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+			return clientDB, serverDB, serverTrieDB, root
 		},
 		expectedError:     errInterrupted,
 		GetLeafsIntercept: intercept.getLeafsIntercept,
 	})
 
 	testSync(t, syncTest{
-		prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-			return clientDB, serverTrieDB, root
+		prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+			return clientDB, serverDB, serverTrieDB, root
 		},
 	})
 }
 
 func TestResumeSyncLargeStorageTrieWithSpreadOutDuplicatesInterrupted(t *testing.T) {
-	serverTrieDB := trie.NewDatabase(memorydb.New())
+	serverDB := memorydb.New()
+	serverTrieDB := trie.NewDatabase(serverDB)
 
 	largeStorageRoot, _, _ := trie.GenerateTrie(t, serverTrieDB, 2000, common.HashLength)
 	root, _ := trie.FillAccounts(t, serverTrieDB, common.Hash{}, 100, func(t *testing.T, index int, account types.StateAccount) types.StateAccount {
@@ -385,35 +398,34 @@ func TestResumeSyncLargeStorageTrieWithSpreadOutDuplicatesInterrupted(t *testing
 		interruptAfter: 1,
 	}
 	testSync(t, syncTest{
-		prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-			return clientDB, serverTrieDB, root
+		prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+			return clientDB, serverDB, serverTrieDB, root
 		},
 		expectedError:     errInterrupted,
 		GetLeafsIntercept: intercept.getLeafsIntercept,
 	})
 
 	testSync(t, syncTest{
-		prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-			return clientDB, serverTrieDB, root
+		prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+			return clientDB, serverDB, serverTrieDB, root
 		},
 	})
 }
 
 func TestResyncNewRootAfterDeletes(t *testing.T) {
 	for name, test := range map[string]struct {
-		deleteBetweenSyncs func(*testing.T, common.Hash, *trie.Database)
+		deleteBetweenSyncs func(*testing.T, common.Hash, ethdb.Database)
 	}{
 		"delete code": {
-			deleteBetweenSyncs: func(t *testing.T, _ common.Hash, clientTrieDB *trie.Database) {
-				db := clientTrieDB.DiskDB()
+			deleteBetweenSyncs: func(t *testing.T, _ common.Hash, clientDB ethdb.Database) {
 				// delete code
-				it := db.NewIterator(rawdb.CodePrefix, nil)
+				it := clientDB.NewIterator(rawdb.CodePrefix, nil)
 				defer it.Release()
 				for it.Next() {
 					if len(it.Key()) != len(rawdb.CodePrefix)+common.HashLength {
 						continue
 					}
-					if err := db.Delete(it.Key()); err != nil {
+					if err := clientDB.Delete(it.Key()); err != nil {
 						t.Fatal(err)
 					}
 				}
@@ -423,8 +435,9 @@ func TestResyncNewRootAfterDeletes(t *testing.T) {
 			},
 		},
 		"delete intermediate storage nodes": {
-			deleteBetweenSyncs: func(t *testing.T, root common.Hash, clientTrieDB *trie.Database) {
-				tr, err := trie.New(common.Hash{}, root, clientTrieDB)
+			deleteBetweenSyncs: func(t *testing.T, root common.Hash, clientDB ethdb.Database) {
+				clientTrieDB := trie.NewDatabase(clientDB)
+				tr, err := trie.New(trie.TrieID(root), clientTrieDB)
 				if err != nil {
 					t.Fatal(err)
 				}
@@ -460,7 +473,8 @@ func TestResyncNewRootAfterDeletes(t *testing.T) {
 			},
 		},
 		"delete intermediate account trie nodes": {
-			deleteBetweenSyncs: func(t *testing.T, root common.Hash, clientTrieDB *trie.Database) {
+			deleteBetweenSyncs: func(t *testing.T, root common.Hash, clientDB ethdb.Database) {
+				clientTrieDB := trie.NewDatabase(clientDB)
 				trie.CorruptTrie(t, clientTrieDB, root, 5)
 			},
 		},
@@ -471,10 +485,11 @@ func TestResyncNewRootAfterDeletes(t *testing.T) {
 	}
 }
 
-func testSyncerSyncsToNewRoot(t *testing.T, deleteBetweenSyncs func(*testing.T, common.Hash, *trie.Database)) {
+func testSyncerSyncsToNewRoot(t *testing.T, deleteBetweenSyncs func(*testing.T, common.Hash, ethdb.Database)) {
 	rand.Seed(1)
 	clientDB := memorydb.New()
-	serverTrieDB := trie.NewDatabase(memorydb.New())
+	serverDB := memorydb.New()
+	serverTrieDB := trie.NewDatabase(serverDB)
 
 	root1, _ := FillAccountsWithOverlappingStorage(t, serverTrieDB, common.Hash{}, 1000, 3)
 	root2, _ := FillAccountsWithOverlappingStorage(t, serverTrieDB, root1, 1000, 3)
@@ -483,13 +498,13 @@ func testSyncerSyncsToNewRoot(t *testing.T, deleteBetweenSyncs func(*testing.T,
 
 	testSyncResumes(t, []syncTest{
 		{
-			prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-				return clientDB, serverTrieDB, root1
+			prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+				return clientDB, serverDB, serverTrieDB, root1
 			},
 		},
 		{
-			prepareForTest: func(t *testing.T) (ethdb.Database, *trie.Database, common.Hash) {
-				return clientDB, serverTrieDB, root2
+			prepareForTest: func(t *testing.T) (ethdb.Database, ethdb.Database, *trie.Database, common.Hash) {
+				return clientDB, serverDB, serverTrieDB, root2
 			},
 		},
 	}, func() {
@@ -501,6 +516,6 @@ func testSyncerSyncsToNewRoot(t *testing.T, deleteBetweenSyncs func(*testing.T,
 		// delete snapshot first since this is not the responsibility of the EVM State Syncer
 		<-snapshot.WipeSnapshot(clientDB, false)
 
-		deleteBetweenSyncs(t, root1, trie.NewDatabase(clientDB))
+		deleteBetweenSyncs(t, root1, clientDB)
 	})
 }
diff --git a/sync/statesync/test_sync.go b/sync/statesync/test_sync.go
index 40eb82401c..42646ed59f 100644
--- a/sync/statesync/test_sync.go
+++ b/sync/statesync/test_sync.go
@@ -12,6 +12,7 @@ import (
 	"github.com/ava-labs/subnet-evm/core/rawdb"
 	"github.com/ava-labs/subnet-evm/core/state/snapshot"
 	"github.com/ava-labs/subnet-evm/core/types"
+	"github.com/ava-labs/subnet-evm/ethdb"
 	"github.com/ava-labs/subnet-evm/trie"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
@@ -22,8 +23,7 @@ import (
 // assertDBConsistency checks [serverTrieDB] and [clientTrieDB] have the same EVM state trie at [root],
 // and that [clientTrieDB.DiskDB] has corresponding account & snapshot values.
 // Also verifies any code referenced by the EVM state is present in [clientTrieDB] and the hash is correct.
-func assertDBConsistency(t testing.TB, root common.Hash, serverTrieDB, clientTrieDB *trie.Database) {
-	clientDB := clientTrieDB.DiskDB()
+func assertDBConsistency(t testing.TB, root common.Hash, clientDB ethdb.Database, serverTrieDB, clientTrieDB *trie.Database) {
 	numSnapshotAccounts := 0
 	accountIt := rawdb.IterateAccountSnapshots(clientDB)
 	defer accountIt.Release()
@@ -46,14 +46,14 @@ func assertDBConsistency(t testing.TB, root common.Hash, serverTrieDB, clientTri
 			return err
 		}
 		// check snapshot consistency
-		snapshotVal := rawdb.ReadAccountSnapshot(clientTrieDB.DiskDB(), accHash)
+		snapshotVal := rawdb.ReadAccountSnapshot(clientDB, accHash)
 		expectedSnapshotVal := snapshot.SlimAccountRLP(acc.Nonce, acc.Balance, acc.Root, acc.CodeHash)
 		assert.Equal(t, expectedSnapshotVal, snapshotVal)
 
 		// check code consistency
 		if !bytes.Equal(acc.CodeHash, types.EmptyCodeHash[:]) {
 			codeHash := common.BytesToHash(acc.CodeHash)
-			code := rawdb.ReadCode(clientTrieDB.DiskDB(), codeHash)
+			code := rawdb.ReadCode(clientDB, codeHash)
 			actualHash := crypto.Keccak256Hash(code)
 			assert.NotZero(t, len(code))
 			assert.Equal(t, codeHash, actualHash)
@@ -75,7 +75,7 @@ func assertDBConsistency(t testing.TB, root common.Hash, serverTrieDB, clientTri
 		// check storage trie and storage snapshot consistency
 		trie.AssertTrieConsistency(t, acc.Root, serverTrieDB, clientTrieDB, func(key, val []byte) error {
 			storageTrieLeavesCount++
-			snapshotVal := rawdb.ReadStorageSnapshot(clientTrieDB.DiskDB(), accHash, common.BytesToHash(key))
+			snapshotVal := rawdb.ReadStorageSnapshot(clientDB, accHash, common.BytesToHash(key))
 			assert.Equal(t, val, snapshotVal)
 			return nil
 		})
@@ -88,7 +88,7 @@ func assertDBConsistency(t testing.TB, root common.Hash, serverTrieDB, clientTri
 	assert.Equal(t, trieAccountLeaves, numSnapshotAccounts)
 }
 
-func fillAccountsWithStorage(t *testing.T, serverTrieDB *trie.Database, root common.Hash, numAccounts int) common.Hash {
+func fillAccountsWithStorage(t *testing.T, serverDB ethdb.Database, serverTrieDB *trie.Database, root common.Hash, numAccounts int) common.Hash {
 	newRoot, _ := trie.FillAccounts(t, serverTrieDB, root, numAccounts, func(t *testing.T, index int, account types.StateAccount) types.StateAccount {
 		codeBytes := make([]byte, 256)
 		_, err := rand.Read(codeBytes)
@@ -97,7 +97,7 @@ func fillAccountsWithStorage(t *testing.T, serverTrieDB *trie.Database, root com
 		}
 
 		codeHash := crypto.Keccak256Hash(codeBytes)
-		rawdb.WriteCode(serverTrieDB.DiskDB(), codeHash, codeBytes)
+		rawdb.WriteCode(serverDB, codeHash, codeBytes)
 		account.CodeHash = codeHash[:]
 
 		// now create state trie
diff --git a/sync/statesync/trie_segments.go b/sync/statesync/trie_segments.go
index b355287dc1..2680902850 100644
--- a/sync/statesync/trie_segments.go
+++ b/sync/statesync/trie_segments.go
@@ -62,13 +62,16 @@ type trieToSync struct {
 
 // NewTrieToSync initializes a trieToSync and restores any previously started segments.
 func NewTrieToSync(sync *stateSync, root common.Hash, account common.Hash, syncTask syncTask) (*trieToSync, error) {
-	batch := sync.db.NewBatch()
+	batch := sync.db.NewBatch() // TODO: migrate state sync to use database schemes.
+	writeFn := func(owner common.Hash, path []byte, hash common.Hash, blob []byte) {
+		rawdb.WriteTrieNode(batch, owner, path, hash, blob, rawdb.HashScheme)
+	}
 	trieToSync := &trieToSync{
 		sync:         sync,
 		root:         root,
 		account:      account,
 		batch:        batch,
-		stackTrie:    trie.NewStackTrie(batch),
+		stackTrie:    trie.NewStackTrie(writeFn),
 		isMainTrie:   (root == sync.root),
 		task:         syncTask,
 		segmentsDone: make(map[int]struct{}),
diff --git a/sync/statesync/trie_sync_tasks.go b/sync/statesync/trie_sync_tasks.go
index bd56d4aa83..04bdd2e047 100644
--- a/sync/statesync/trie_sync_tasks.go
+++ b/sync/statesync/trie_sync_tasks.go
@@ -110,7 +110,11 @@ func (s *storageTrieTask) IterateLeafs(seek common.Hash) ethdb.Iterator {
 
 func (s *storageTrieTask) OnStart() (bool, error) {
 	// check if this storage root is on disk
-	storageTrie, err := trie.New(common.Hash{}, s.root, s.sync.trieDB)
+	var firstAccount common.Hash
+	if len(s.accounts) > 0 {
+		firstAccount = s.accounts[0]
+	}
+	storageTrie, err := trie.New(trie.StorageTrieID(s.sync.root, s.root, firstAccount), s.sync.trieDB)
 	if err != nil {
 		return false, nil
 	}
diff --git a/tests/init.go b/tests/init.go
index ee2a2994a5..8a6c2021c3 100644
--- a/tests/init.go
+++ b/tests/init.go
@@ -32,6 +32,7 @@ import (
 	"sort"
 
 	"github.com/ava-labs/subnet-evm/params"
+	"github.com/ava-labs/subnet-evm/utils"
 )
 
 // Forks table defines supported forks and their chain config.
@@ -151,13 +152,28 @@ var Forks = map[string]*params.ChainConfig{
 		ConstantinopleBlock: big.NewInt(0),
 		PetersburgBlock:     big.NewInt(0),
 		IstanbulBlock:       big.NewInt(0),
-		NetworkUpgrades: params.NetworkUpgrades{
-			SubnetEVMTimestamp: big.NewInt(0),
+		MandatoryNetworkUpgrades: params.MandatoryNetworkUpgrades{
+			SubnetEVMTimestamp: utils.NewUint64(0),
+		},
+	},
+	"DUpgrade": {
+		ChainID:             big.NewInt(1),
+		HomesteadBlock:      big.NewInt(0),
+		EIP150Block:         big.NewInt(0),
+		EIP155Block:         big.NewInt(0),
+		EIP158Block:         big.NewInt(0),
+		ByzantiumBlock:      big.NewInt(0),
+		ConstantinopleBlock: big.NewInt(0),
+		PetersburgBlock:     big.NewInt(0),
+		IstanbulBlock:       big.NewInt(0),
+		MandatoryNetworkUpgrades: params.MandatoryNetworkUpgrades{
+			SubnetEVMTimestamp: utils.NewUint64(0),
+			DUpgradeTimestamp:  utils.NewUint64(0),
 		},
 	},
 }
 
-// Returns the set of defined fork names
+// AvailableForks returns the set of defined fork names
 func AvailableForks() []string {
 	var availableForks []string
 	for k := range Forks {
diff --git a/tests/load/load_test.go b/tests/load/load_test.go
index 68f7b5896b..eafe8b69a3 100644
--- a/tests/load/load_test.go
+++ b/tests/load/load_test.go
@@ -4,64 +4,44 @@
 package load
 
 import (
-	"context"
 	"fmt"
 	"os"
 	"os/exec"
 	"strings"
 	"testing"
-	"time"
 
-	"github.com/ava-labs/avalanchego/api/health"
-	"github.com/ava-labs/subnet-evm/tests/utils"
+	"github.com/ava-labs/subnet-evm/tests/utils/runner"
 	"github.com/ethereum/go-ethereum/log"
-	"github.com/go-cmd/cmd"
 	ginkgo "github.com/onsi/ginkgo/v2"
 	"github.com/onsi/gomega"
 )
 
-var startCmd *cmd.Cmd
+var getSubnet func() *runner.Subnet
+
+func init() {
+	getSubnet = runner.RegisterFiveNodeSubnetRun()
+}
 
 func TestE2E(t *testing.T) {
 	gomega.RegisterFailHandler(ginkgo.Fail)
 	ginkgo.RunSpecs(t, "subnet-evm small load simulator test suite")
 }
 
-// BeforeSuite starts an AvalancheGo process to use for the e2e tests
-var _ = ginkgo.BeforeSuite(func() {
-	ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
-	defer cancel()
-
-	wd, err := os.Getwd()
-	gomega.Expect(err).Should(gomega.BeNil())
-	log.Info("Starting AvalancheGo node", "wd", wd)
-	startCmd, err = utils.RunCommand("./scripts/run.sh")
-	gomega.Expect(err).Should(gomega.BeNil())
-
-	// Assumes that startCmd will launch a node with HTTP Port at [utils.DefaultLocalNodeURI]
-	healthClient := health.NewClient(utils.DefaultLocalNodeURI)
-	healthy, err := health.AwaitReady(ctx, healthClient, 5*time.Second, nil)
-	gomega.Expect(err).Should(gomega.BeNil())
-	gomega.Expect(healthy).Should(gomega.BeTrue())
-	log.Info("AvalancheGo node is healthy")
-})
-
 var _ = ginkgo.Describe("[Load Simulator]", ginkgo.Ordered, func() {
 	ginkgo.It("basic subnet load test", ginkgo.Label("load"), func() {
-		ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
-		defer cancel()
-
-		blockchainID := utils.CreateNewSubnet(ctx, "./tests/load/genesis/genesis.json")
+		subnetDetails := getSubnet()
+		blockchainID := subnetDetails.BlockchainID
 
-		rpcEndpoints := make([]string, 0, len(utils.NodeURIs))
-		for _, uri := range []string{utils.DefaultLocalNodeURI} { // TODO: use NodeURIs instead, hack until fixing multi node in a network behavior
+		nodeURIs := subnetDetails.ValidatorURIs
+		rpcEndpoints := make([]string, 0, len(nodeURIs))
+		for _, uri := range nodeURIs {
 			rpcEndpoints = append(rpcEndpoints, fmt.Sprintf("%s/ext/bc/%s/rpc", uri, blockchainID))
 		}
 		commaSeparatedRPCEndpoints := strings.Join(rpcEndpoints, ",")
 		err := os.Setenv("RPC_ENDPOINTS", commaSeparatedRPCEndpoints)
 		gomega.Expect(err).Should(gomega.BeNil())
 
-		log.Info("Sleeping with network running", "rpcEndpoints", commaSeparatedRPCEndpoints)
+		log.Info("Running load simulator...", "rpcEndpoints", commaSeparatedRPCEndpoints)
 		cmd := exec.Command("./scripts/run_simulator.sh")
 		log.Info("Running load simulator script", "cmd", cmd.String())
 
@@ -70,10 +50,3 @@ var _ = ginkgo.Describe("[Load Simulator]", ginkgo.Ordered, func() {
 		gomega.Expect(err).Should(gomega.BeNil())
 	})
 })
-
-var _ = ginkgo.AfterSuite(func() {
-	gomega.Expect(startCmd).ShouldNot(gomega.BeNil())
-	gomega.Expect(startCmd.Stop()).Should(gomega.BeNil())
-	// TODO add a new node to bootstrap off of the existing node and ensure it can bootstrap all subnets
-	// created during the test
-})
diff --git a/tests/precompile/genesis/contract_native_minter.json b/tests/precompile/genesis/contract_native_minter.json
index 6d34c8b52e..9ab36af372 100644
--- a/tests/precompile/genesis/contract_native_minter.json
+++ b/tests/precompile/genesis/contract_native_minter.json
@@ -19,7 +19,7 @@
       "baseFeeChangeDenominator": 48,
       "minBlockGasCost": 0,
       "maxBlockGasCost": 10000000,
-      "targetBlockRate": 2,
+      "targetBlockRate": 1,
       "blockGasCostStep": 500000
     },
     "contractNativeMinterConfig": {
diff --git a/tests/precompile/genesis/fee_manager.json b/tests/precompile/genesis/fee_manager.json
index 673dfb1346..d1d3702818 100644
--- a/tests/precompile/genesis/fee_manager.json
+++ b/tests/precompile/genesis/fee_manager.json
@@ -19,7 +19,7 @@
       "baseFeeChangeDenominator": 48,
       "minBlockGasCost": 0,
       "maxBlockGasCost": 10000000,
-      "targetBlockRate": 2,
+      "targetBlockRate": 1,
       "blockGasCostStep": 500000
     },
     "feeManagerConfig": {
diff --git a/tests/precompile/genesis/reward_manager.json b/tests/precompile/genesis/reward_manager.json
index 6ebb2027f5..285119106f 100644
--- a/tests/precompile/genesis/reward_manager.json
+++ b/tests/precompile/genesis/reward_manager.json
@@ -19,7 +19,7 @@
       "baseFeeChangeDenominator": 48,
       "minBlockGasCost": 0,
       "maxBlockGasCost": 10000000,
-      "targetBlockRate": 2,
+      "targetBlockRate": 1,
       "blockGasCostStep": 500000
     },
     "rewardManagerConfig": {
diff --git a/tests/precompile/genesis/tx_allow_list.json b/tests/precompile/genesis/tx_allow_list.json
index c525d72056..9755e574b1 100644
--- a/tests/precompile/genesis/tx_allow_list.json
+++ b/tests/precompile/genesis/tx_allow_list.json
@@ -19,7 +19,7 @@
       "baseFeeChangeDenominator": 48,
       "minBlockGasCost": 0,
       "maxBlockGasCost": 10000000,
-      "targetBlockRate": 2,
+      "targetBlockRate": 1,
       "blockGasCostStep": 500000
     },
     "txAllowListConfig": {
@@ -32,6 +32,9 @@
   "alloc": {
     "8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC": {
       "balance": "0x52B7D2DCC80CD2E4000000"
+    },
+    "0Fa8EA536Be85F32724D57A37758761B86416123": {
+      "balance": "0x52B7D2DCC80CD2E4000000"
     }
   },
   "nonce": "0x0",
@@ -44,4 +47,4 @@
   "number": "0x0",
   "gasUsed": "0x0",
   "parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000"
-}
\ No newline at end of file
+}
diff --git a/tests/precompile/genesis/warp.json b/tests/precompile/genesis/warp.json
new file mode 100644
index 0000000000..e25a18fd20
--- /dev/null
+++ b/tests/precompile/genesis/warp.json
@@ -0,0 +1,47 @@
+{
+    "config": {
+      "chainId": 99999,
+      "homesteadBlock": 0,
+      "eip150Block": 0,
+      "eip150Hash": "0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0",
+      "eip155Block": 0,
+      "eip158Block": 0,
+      "byzantiumBlock": 0,
+      "constantinopleBlock": 0,
+      "petersburgBlock": 0,
+      "istanbulBlock": 0,
+      "muirGlacierBlock": 0,
+      "subnetEVMTimestamp": 0,
+      "feeConfig": {
+        "gasLimit": 20000000,
+        "minBaseFee": 1000000000,
+        "targetGas": 100000000,
+        "baseFeeChangeDenominator": 48,
+        "minBlockGasCost": 0,
+        "maxBlockGasCost": 10000000,
+        "targetBlockRate": 2,
+        "blockGasCostStep": 500000
+      },
+      "warpConfig": {
+        "blockTimestamp": 0
+      }
+    },
+    "alloc": {
+      "8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC": {
+        "balance": "0x52B7D2DCC80CD2E4000000"
+      },
+      "0x0Fa8EA536Be85F32724D57A37758761B86416123": {
+        "balance": "0x52B7D2DCC80CD2E4000000"
+      }
+    },
+    "nonce": "0x0",
+    "timestamp": "0x0",
+    "extraData": "0x00",
+    "gasLimit": "0x1312D00",
+    "difficulty": "0x0",
+    "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+    "coinbase": "0x0000000000000000000000000000000000000000",
+    "number": "0x0",
+    "gasUsed": "0x0",
+    "parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000"
+}
diff --git a/tests/precompile/precompile_test.go b/tests/precompile/precompile_test.go
index b7d9c29242..4f296dc466 100644
--- a/tests/precompile/precompile_test.go
+++ b/tests/precompile/precompile_test.go
@@ -4,51 +4,21 @@
 package precompile
 
 import (
-	"context"
 	"os"
 	"testing"
-	"time"
 
-	"github.com/ava-labs/avalanchego/api/health"
-	"github.com/ava-labs/subnet-evm/tests/utils"
-	"github.com/ethereum/go-ethereum/log"
-	"github.com/go-cmd/cmd"
 	ginkgo "github.com/onsi/ginkgo/v2"
 	"github.com/onsi/gomega"
 
 	// Import the solidity package, so that ginkgo maps out the tests declared within the package
-	_ "github.com/ava-labs/subnet-evm/tests/precompile/solidity"
+	"github.com/ava-labs/subnet-evm/tests/precompile/solidity"
 )
 
-var startCmd *cmd.Cmd
-
 func TestE2E(t *testing.T) {
+	if basePath := os.Getenv("TEST_SOURCE_ROOT"); basePath != "" {
+		os.Chdir(basePath)
+	}
 	gomega.RegisterFailHandler(ginkgo.Fail)
+	solidity.RegisterAsyncTests()
 	ginkgo.RunSpecs(t, "subnet-evm precompile ginkgo test suite")
 }
-
-// BeforeSuite starts an AvalancheGo process to use for the e2e tests
-var _ = ginkgo.BeforeSuite(func() {
-	ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
-	defer cancel()
-
-	wd, err := os.Getwd()
-	gomega.Expect(err).Should(gomega.BeNil())
-	log.Info("Starting AvalancheGo node", "wd", wd)
-	startCmd, err = utils.RunCommand("./scripts/run.sh")
-	gomega.Expect(err).Should(gomega.BeNil())
-
-	// Assumes that startCmd will launch a node with HTTP Port at [utils.DefaultLocalNodeURI]
-	healthClient := health.NewClient(utils.DefaultLocalNodeURI)
-	healthy, err := health.AwaitReady(ctx, healthClient, 5*time.Second, nil)
-	gomega.Expect(err).Should(gomega.BeNil())
-	gomega.Expect(healthy).Should(gomega.BeTrue())
-	log.Info("AvalancheGo node is healthy")
-})
-
-var _ = ginkgo.AfterSuite(func() {
-	gomega.Expect(startCmd).ShouldNot(gomega.BeNil())
-	gomega.Expect(startCmd.Stop()).Should(gomega.BeNil())
-	// TODO add a new node to bootstrap off of the existing node and ensure it can bootstrap all subnets
-	// created during the test
-})
diff --git a/tests/precompile/solidity/suites.go b/tests/precompile/solidity/suites.go
index 685015c27e..4aacb83c4b 100644
--- a/tests/precompile/solidity/suites.go
+++ b/tests/precompile/solidity/suites.go
@@ -6,72 +6,98 @@ package solidity
 
 import (
 	"context"
+	"fmt"
 	"time"
 
-	"github.com/ava-labs/avalanchego/api/health"
 	"github.com/ava-labs/subnet-evm/tests/utils"
 	ginkgo "github.com/onsi/ginkgo/v2"
-	"github.com/onsi/gomega"
 )
 
-var _ = ginkgo.Describe("[Precompiles]", ginkgo.Ordered, func() {
-	ginkgo.It("ping the network", ginkgo.Label("setup"), func() {
-		client := health.NewClient(utils.DefaultLocalNodeURI)
-		healthy, err := client.Readiness(context.Background(), nil)
-		gomega.Expect(err).Should(gomega.BeNil())
-		gomega.Expect(healthy.Healthy).Should(gomega.BeTrue())
-	})
-})
-
-var _ = ginkgo.Describe("[Precompiles]", ginkgo.Ordered, func() {
-	// Each ginkgo It node specifies the name of the genesis file (in ./tests/precompile/genesis/)
-	// to use to launch the subnet and the name of the TS test file to run on the subnet (in ./contract-examples/tests/)
-	ginkgo.It("contract native minter", ginkgo.Label("Precompile"), ginkgo.Label("ContractNativeMinter"), func() {
-		ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
-		defer cancel()
-
-		utils.ExecuteHardHatTestOnNewBlockchain(ctx, "contract_native_minter")
-	})
-
-	ginkgo.It("tx allow list", ginkgo.Label("Precompile"), ginkgo.Label("TxAllowList"), func() {
-		ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
-		defer cancel()
+// Registers the Asynchronized Precompile Tests
+// Before running the tests, this function creates all subnets given in the genesis files
+// and then runs the hardhat tests for each one asynchronously if called with `ginkgo run -procs=`.
+func RegisterAsyncTests() {
+	// Tests here assumes that the genesis files are in ./tests/precompile/genesis/
+	// with the name {precompile_name}.json
+	genesisFiles, err := utils.GetFilesAndAliases("./tests/precompile/genesis/*.json")
+	if err != nil {
+		ginkgo.AbortSuite("Failed to get genesis files: " + err.Error())
+	}
+	if len(genesisFiles) == 0 {
+		ginkgo.AbortSuite("No genesis files found")
+	}
+	subnetsSuite := utils.CreateSubnetsSuite(genesisFiles)
+
+	var _ = ginkgo.Describe("[Asynchronized Precompile Tests]", func() {
+		// Register the ping test first
+		utils.RegisterPingTest()
+
+		// Each ginkgo It node specifies the name of the genesis file (in ./tests/precompile/genesis/)
+		// to use to launch the subnet and the name of the TS test file to run on the subnet (in ./contracts/tests/)
+		ginkgo.It("contract native minter", ginkgo.Label("Precompile"), ginkgo.Label("ContractNativeMinter"), func() {
+			ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
+			defer cancel()
 
-		utils.ExecuteHardHatTestOnNewBlockchain(ctx, "tx_allow_list")
-	})
+			blockchainID := subnetsSuite.GetBlockchainID("contract_native_minter")
+			runDefaultHardhatTests(ctx, blockchainID, "contract_native_minter")
+		})
 
-	ginkgo.It("contract deployer allow list", ginkgo.Label("Precompile"), ginkgo.Label("ContractDeployerAllowList"), func() {
-		ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
-		defer cancel()
+		ginkgo.It("tx allow list", ginkgo.Label("Precompile"), ginkgo.Label("TxAllowList"), func() {
+			ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
+			defer cancel()
 
-		utils.ExecuteHardHatTestOnNewBlockchain(ctx, "contract_deployer_allow_list")
-	})
+			blockchainID := subnetsSuite.GetBlockchainID("tx_allow_list")
+			runDefaultHardhatTests(ctx, blockchainID, "tx_allow_list")
+		})
 
-	ginkgo.It("fee manager", ginkgo.Label("Precompile"), ginkgo.Label("FeeManager"), func() {
-		ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
-		defer cancel()
+		ginkgo.It("contract deployer allow list", ginkgo.Label("Precompile"), ginkgo.Label("ContractDeployerAllowList"), func() {
+			ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
+			defer cancel()
 
-		utils.ExecuteHardHatTestOnNewBlockchain(ctx, "fee_manager")
-	})
+			blockchainID := subnetsSuite.GetBlockchainID("contract_deployer_allow_list")
+			runDefaultHardhatTests(ctx, blockchainID, "contract_deployer_allow_list")
+		})
 
-	ginkgo.It("reward manager", ginkgo.Label("Precompile"), ginkgo.Label("RewardManager"), func() {
-		ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
-		defer cancel()
+		ginkgo.It("fee manager", ginkgo.Label("Precompile"), ginkgo.Label("FeeManager"), func() {
+			ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
+			defer cancel()
 
-		utils.ExecuteHardHatTestOnNewBlockchain(ctx, "reward_manager")
-	})
+			blockchainID := subnetsSuite.GetBlockchainID("fee_manager")
+			runDefaultHardhatTests(ctx, blockchainID, "fee_manager")
+		})
 
-	// TODO: can we refactor this so that it automagically checks to ensure each hardhat test file matches the name of a hardhat genesis file
-	// and then runs the hardhat tests for each one without forcing precompile developers to modify this file.
-	// ADD YOUR PRECOMPILE HERE
-	/*
-		ginkgo.It("your precompile", ginkgo.Label("Precompile"), ginkgo.Label("YourPrecompile"), func() {
+		ginkgo.It("reward manager", ginkgo.Label("Precompile"), ginkgo.Label("RewardManager"), func() {
 			ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
 			defer cancel()
 
-			// Specify the name shared by the genesis file in ./tests/precompile/genesis/{your_precompile}.json
-			// and the test file in ./contract-examples/tests/{your_precompile}.ts
-			utils.ExecuteHardHatTestOnNewBlockchain(ctx, "your_precompile")
+			blockchainID := subnetsSuite.GetBlockchainID("reward_manager")
+			runDefaultHardhatTests(ctx, blockchainID, "reward_manager")
 		})
-	*/
-})
+
+		// ADD YOUR PRECOMPILE HERE
+		/*
+			ginkgo.It("your precompile", ginkgo.Label("Precompile"), ginkgo.Label("YourPrecompile"), func() {
+				ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
+				defer cancel()
+
+				// Specify the name shared by the genesis file in ./tests/precompile/genesis/{your_precompile}.json
+				// and the test file in ./contracts/tests/{your_precompile}.ts
+				// If you want to use a different test command and genesis path than the defaults, you can
+				// use the utils.RunTestCMD. See utils.RunDefaultHardhatTests for an example.
+				subnetsSuite.RunHardhatTests(ctx, "your_precompile")
+			})
+		*/
+	})
+}
+
+//	Default parameters are:
+//
+// 1. Hardhat contract environment is located at ./contracts
+// 2. Hardhat test file is located at ./contracts/test/<test>.ts
+// 3. npx is available in the ./contracts directory
+func runDefaultHardhatTests(ctx context.Context, blockchainID, testName string) {
+	cmdPath := "./contracts"
+	// test path is relative to the cmd path
+	testPath := fmt.Sprintf("./test/%s.ts", testName)
+	utils.RunHardhatTests(ctx, blockchainID, cmdPath, testPath)
+}
diff --git a/tests/state_test_util.go b/tests/state_test_util.go
index 67d73012c0..de29a6513e 100644
--- a/tests/state_test_util.go
+++ b/tests/state_test_util.go
@@ -27,120 +27,13 @@
 package tests
 
 import (
-	"encoding/json"
-	"fmt"
-	"math/big"
-	"strconv"
-	"strings"
-
 	"github.com/ava-labs/subnet-evm/core"
 	"github.com/ava-labs/subnet-evm/core/state"
 	"github.com/ava-labs/subnet-evm/core/state/snapshot"
-	"github.com/ava-labs/subnet-evm/core/types"
-	"github.com/ava-labs/subnet-evm/core/vm"
 	"github.com/ava-labs/subnet-evm/ethdb"
-	"github.com/ava-labs/subnet-evm/params"
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/common/hexutil"
 )
 
-// StateTest checks transaction processing without block context.
-// See https://github.com/ethereum/EIPs/issues/176 for the test format specification.
-type StateTest struct {
-	json stJSON
-}
-
-// StateSubtest selects a specific configuration of a General State Test.
-type StateSubtest struct {
-	Fork  string
-	Index int
-}
-
-func (t *StateTest) UnmarshalJSON(in []byte) error {
-	return json.Unmarshal(in, &t.json)
-}
-
-type stJSON struct {
-	Env  stEnv                    `json:"env"`
-	Pre  core.GenesisAlloc        `json:"pre"`
-	Tx   stTransaction            `json:"transaction"`
-	Out  hexutil.Bytes            `json:"out"`
-	Post map[string][]stPostState `json:"post"`
-}
-
-type stPostState struct {
-	Root            common.UnprefixedHash `json:"hash"`
-	Logs            common.UnprefixedHash `json:"logs"`
-	TxBytes         hexutil.Bytes         `json:"txbytes"`
-	ExpectException string                `json:"expectException"`
-	Indexes         struct {
-		Data  int `json:"data"`
-		Gas   int `json:"gas"`
-		Value int `json:"value"`
-	}
-}
-
-//go:generate go run github.com/fjl/gencodec -type stEnv -field-override stEnvMarshaling -out gen_stenv.go
-type stEnv struct {
-	Coinbase   common.Address `json:"currentCoinbase"   gencodec:"required"`
-	Difficulty *big.Int       `json:"currentDifficulty" gencodec:"required"`
-	GasLimit   uint64         `json:"currentGasLimit"   gencodec:"required"`
-	Number     uint64         `json:"currentNumber"     gencodec:"required"`
-	Timestamp  uint64         `json:"currentTimestamp"  gencodec:"required"`
-	BaseFee    *big.Int       `json:"currentBaseFee"  gencodec:"optional"`
-}
-
-//go:generate go run github.com/fjl/gencodec -type stTransaction -field-override stTransactionMarshaling -out gen_sttransaction.go
-type stTransaction struct {
-	GasPrice             *big.Int            `json:"gasPrice"`
-	MaxFeePerGas         *big.Int            `json:"maxFeePerGas"`
-	MaxPriorityFeePerGas *big.Int            `json:"maxPriorityFeePerGas"`
-	Nonce                uint64              `json:"nonce"`
-	To                   string              `json:"to"`
-	Data                 []string            `json:"data"`
-	AccessLists          []*types.AccessList `json:"accessLists,omitempty"`
-	GasLimit             []uint64            `json:"gasLimit"`
-	Value                []string            `json:"value"`
-	PrivateKey           []byte              `json:"secretKey"`
-}
-
-// GetChainConfig takes a fork definition and returns a chain config.
-// The fork definition can be
-// - a plain forkname, e.g. `Byzantium`,
-// - a fork basename, and a list of EIPs to enable; e.g. `Byzantium+1884+1283`.
-func GetChainConfig(forkString string) (baseConfig *params.ChainConfig, eips []int, err error) {
-	var (
-		splitForks            = strings.Split(forkString, "+")
-		ok                    bool
-		baseName, eipsStrings = splitForks[0], splitForks[1:]
-	)
-	if baseConfig, ok = Forks[baseName]; !ok {
-		return nil, nil, UnsupportedForkError{baseName}
-	}
-	for _, eip := range eipsStrings {
-		if eipNum, err := strconv.Atoi(eip); err != nil {
-			return nil, nil, fmt.Errorf("syntax error, invalid eip number %v", eipNum)
-		} else {
-			if !vm.ValidEip(eipNum) {
-				return nil, nil, fmt.Errorf("syntax error, invalid eip number %v", eipNum)
-			}
-			eips = append(eips, eipNum)
-		}
-	}
-	return baseConfig, eips, nil
-}
-
-// Subtests returns all valid subtests of the test.
-func (t *StateTest) Subtests() []StateSubtest {
-	var sub []StateSubtest
-	for fork, pss := range t.json.Post {
-		for i := range pss {
-			sub = append(sub, StateSubtest{fork, i})
-		}
-	}
-	return sub
-}
-
 func MakePreState(db ethdb.Database, accounts core.GenesisAlloc, snapshotter bool) (*snapshot.Tree, *state.StateDB) {
 	sdb := state.NewDatabase(db)
 	statedb, _ := state.New(common.Hash{}, sdb, nil)
@@ -157,7 +50,13 @@ func MakePreState(db ethdb.Database, accounts core.GenesisAlloc, snapshotter boo
 
 	var snaps *snapshot.Tree
 	if snapshotter {
-		snaps, _ = snapshot.New(db, sdb.TrieDB(), 1, common.Hash{}, root, false, true, false)
+		snapconfig := snapshot.Config{
+			CacheSize:  1,
+			AsyncBuild: false,
+			NoBuild:    false,
+			SkipVerify: true,
+		}
+		snaps, _ = snapshot.New(snapconfig, db, sdb.TrieDB(), common.Hash{}, root)
 	}
 	statedb, _ = state.New(root, sdb, snaps)
 	return snaps, statedb
diff --git a/tests/utils/command.go b/tests/utils/command.go
index 367547be0b..8a1a9cffb3 100644
--- a/tests/utils/command.go
+++ b/tests/utils/command.go
@@ -4,12 +4,18 @@
 package utils
 
 import (
+	"context"
 	"fmt"
+	"os"
+	"os/exec"
 	"strings"
 	"time"
 
+	"github.com/ava-labs/avalanchego/api/health"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/go-cmd/cmd"
+	"github.com/onsi/ginkgo/v2"
+	"github.com/onsi/gomega"
 )
 
 // RunCommand starts the command [bin] with the given [args] and returns the command to the caller
@@ -43,3 +49,68 @@ func RunCommand(bin string, args ...string) (*cmd.Cmd, error) {
 
 	return curCmd, nil
 }
+
+func RegisterPingTest() {
+	ginkgo.It("ping the network", ginkgo.Label("ping"), func() {
+		client := health.NewClient(DefaultLocalNodeURI)
+		healthy, err := client.Readiness(context.Background(), nil)
+		gomega.Expect(err).Should(gomega.BeNil())
+		gomega.Expect(healthy.Healthy).Should(gomega.BeTrue())
+	})
+}
+
+// RegisterNodeRun registers a before suite that starts an AvalancheGo process to use for the e2e tests
+// and an after suite that stops the AvalancheGo process
+func RegisterNodeRun() {
+	// BeforeSuite starts an AvalancheGo process to use for the e2e tests
+	var startCmd *cmd.Cmd
+	_ = ginkgo.BeforeSuite(func() {
+		ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
+		defer cancel()
+
+		wd, err := os.Getwd()
+		gomega.Expect(err).Should(gomega.BeNil())
+		log.Info("Starting AvalancheGo node", "wd", wd)
+		cmd, err := RunCommand("./scripts/run.sh")
+		startCmd = cmd
+		gomega.Expect(err).Should(gomega.BeNil())
+
+		// Assumes that startCmd will launch a node with HTTP Port at [utils.DefaultLocalNodeURI]
+		healthClient := health.NewClient(DefaultLocalNodeURI)
+		healthy, err := health.AwaitReady(ctx, healthClient, HealthCheckTimeout, nil)
+		gomega.Expect(err).Should(gomega.BeNil())
+		gomega.Expect(healthy).Should(gomega.BeTrue())
+		log.Info("AvalancheGo node is healthy")
+	})
+
+	ginkgo.AfterSuite(func() {
+		gomega.Expect(startCmd).ShouldNot(gomega.BeNil())
+		gomega.Expect(startCmd.Stop()).Should(gomega.BeNil())
+		// TODO add a new node to bootstrap off of the existing node and ensure it can bootstrap all subnets
+		// created during the test
+	})
+}
+
+// RunDefaultHardhatTests runs the hardhat tests in the given [testPath] on the blockchain with [blockchainID]
+// [execPath] is the path where the test command is executed
+func RunHardhatTests(ctx context.Context, blockchainID string, execPath string, testPath string) {
+	chainURI := GetDefaultChainURI(blockchainID)
+	log.Info(
+		"Executing HardHat tests on blockchain",
+		"blockchainID", blockchainID,
+		"testPath", testPath,
+		"ChainURI", chainURI,
+	)
+
+	cmd := exec.Command("npx", "hardhat", "test", testPath, "--network", "local")
+	cmd.Dir = execPath
+
+	log.Info("Sleeping to wait for test ping", "rpcURI", chainURI)
+	err := os.Setenv("RPC_URI", chainURI)
+	gomega.Expect(err).Should(gomega.BeNil())
+	log.Info("Running test command", "cmd", cmd.String())
+
+	out, err := cmd.CombinedOutput()
+	fmt.Printf("\nCombined output:\n\n%s\n", string(out))
+	gomega.Expect(err).Should(gomega.BeNil())
+}
diff --git a/tests/utils/constants.go b/tests/utils/constants.go
index 75cc779bd3..4b07626d08 100644
--- a/tests/utils/constants.go
+++ b/tests/utils/constants.go
@@ -3,7 +3,18 @@
 
 package utils
 
-var (
+import "time"
+
+const (
+	// Timeout to boot the AvalancheGo node
+	BootAvalancheNodeTimeout = 5 * time.Minute
+
+	// Timeout for the health API to check the AvalancheGo is ready
+	HealthCheckTimeout = 5 * time.Second
+
 	DefaultLocalNodeURI = "http://127.0.0.1:9650"
-	NodeURIs            = []string{DefaultLocalNodeURI, "http://127.0.0.1:9652", "http://127.0.0.1:9654", "http://127.0.0.1:9656", "http://127.0.0.1:9658"}
+)
+
+var (
+	NodeURIs = []string{DefaultLocalNodeURI, "http://127.0.0.1:9652", "http://127.0.0.1:9654", "http://127.0.0.1:9656", "http://127.0.0.1:9658"}
 )
diff --git a/tests/utils/runner/network_manager.go b/tests/utils/runner/network_manager.go
new file mode 100644
index 0000000000..5ac35a6780
--- /dev/null
+++ b/tests/utils/runner/network_manager.go
@@ -0,0 +1,374 @@
+// Copyright (C) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package runner
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"time"
+
+	runner_sdk "github.com/ava-labs/avalanche-network-runner/client"
+	"github.com/ava-labs/avalanche-network-runner/rpcpb"
+	runner_server "github.com/ava-labs/avalanche-network-runner/server"
+	"github.com/ava-labs/avalanchego/ids"
+	"github.com/ava-labs/avalanchego/utils/logging"
+	"github.com/ava-labs/avalanchego/utils/wrappers"
+	"github.com/ava-labs/subnet-evm/plugin/evm"
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/onsi/ginkgo/v2"
+	"github.com/onsi/gomega"
+)
+
+// Subnet provides the basic details of a created subnet
+// Note: currently assumes one blockchain per subnet
+type Subnet struct {
+	// SubnetID is the txID of the transaction that created the subnet
+	SubnetID ids.ID
+	// Current ANR assumes one blockchain per subnet, so we have a single blockchainID here
+	BlockchainID ids.ID
+	// ValidatorURIs is the base URIs for each participant of the Subnet
+	ValidatorURIs []string
+}
+
+type ANRConfig struct {
+	LogLevel            string
+	AvalancheGoExecPath string
+	PluginDir           string
+	GlobalNodeConfig    string
+}
+
+// NetworkManager is a wrapper around the ANR to simplify the setup and teardown code
+// of tests that rely on the ANR.
+type NetworkManager struct {
+	ANRConfig ANRConfig
+
+	subnets []*Subnet
+
+	logFactory      logging.Factory
+	anrClient       runner_sdk.Client
+	anrServer       runner_server.Server
+	done            chan struct{}
+	serverCtxCancel context.CancelFunc
+}
+
+// NewDefaultANRConfig returns a default config for launching the avalanche-network-runner manager
+// with both a server and client.
+// By default, it expands $GOPATH/src/github.com/ava-labs/avalanchego/build/ directory to extract
+// the AvalancheGoExecPath and PluginDir arguments.
+// If the AVALANCHEGO_BUILD_PATH environment variable is set, it overrides the default location for
+// the AvalancheGoExecPath and PluginDir arguments.
+func NewDefaultANRConfig() ANRConfig {
+	defaultConfig := ANRConfig{
+		LogLevel:            "info",
+		AvalancheGoExecPath: os.ExpandEnv("$GOPATH/src/github.com/ava-labs/avalanchego/build/avalanchego"),
+		PluginDir:           os.ExpandEnv("$GOPATH/src/github.com/ava-labs/avalanchego/build/plugins"),
+		GlobalNodeConfig: `{
+			"log-display-level":"info",
+			"proposervm-use-current-height":true
+		}`,
+	}
+	// If AVALANCHEGO_BUILD_PATH is populated, override location set by GOPATH
+	if envBuildPath, exists := os.LookupEnv("AVALANCHEGO_BUILD_PATH"); exists {
+		defaultConfig.AvalancheGoExecPath = fmt.Sprintf("%s/avalanchego", envBuildPath)
+		defaultConfig.PluginDir = fmt.Sprintf("%s/plugins", envBuildPath)
+	}
+	return defaultConfig
+}
+
+// NewNetworkManager constructs a new instance of a network manager
+func NewNetworkManager(config ANRConfig) *NetworkManager {
+	manager := &NetworkManager{
+		ANRConfig: config,
+	}
+
+	logLevel, err := logging.ToLevel(config.LogLevel)
+	if err != nil {
+		panic(fmt.Errorf("invalid ANR log level: %w", err))
+	}
+	manager.logFactory = logging.NewFactory(logging.Config{
+		DisplayLevel: logLevel,
+		LogLevel:     logLevel,
+	})
+
+	return manager
+}
+
+// startServer starts a new ANR server and sets/overwrites the anrServer, done channel, and serverCtxCancel function.
+func (n *NetworkManager) startServer(ctx context.Context) (<-chan struct{}, error) {
+	done := make(chan struct{})
+	zapServerLog, err := n.logFactory.Make("server")
+	if err != nil {
+		return nil, fmt.Errorf("failed to make server log: %w", err)
+	}
+
+	n.anrServer, err = runner_server.New(
+		runner_server.Config{
+			Port:                ":12352",
+			GwPort:              ":12353",
+			GwDisabled:          false,
+			DialTimeout:         10 * time.Second,
+			RedirectNodesOutput: true,
+			SnapshotsDir:        "",
+		},
+		zapServerLog,
+	)
+	if err != nil {
+		return nil, fmt.Errorf("failed to start ANR server: %w", err)
+	}
+	n.done = done
+
+	// Use a separate background context here, since the server should only be canceled by explicit shutdown
+	serverCtx, serverCtxCancel := context.WithCancel(context.Background())
+	n.serverCtxCancel = serverCtxCancel
+	go func() {
+		if err := n.anrServer.Run(serverCtx); err != nil {
+			log.Error("Error shutting down ANR server", "err", err)
+		} else {
+			log.Info("Terminating ANR Server")
+		}
+		close(done)
+	}()
+
+	return done, nil
+}
+
+// startClient starts an ANR Client dialing the ANR server at the expected endpoint.
+// Note: will overwrite client if it already exists.
+func (n *NetworkManager) startClient() error {
+	logLevel, err := logging.ToLevel(n.ANRConfig.LogLevel)
+	if err != nil {
+		return fmt.Errorf("failed to parse ANR log level: %w", err)
+	}
+	logFactory := logging.NewFactory(logging.Config{
+		DisplayLevel: logLevel,
+		LogLevel:     logLevel,
+	})
+	zapLog, err := logFactory.Make("main")
+	if err != nil {
+		return fmt.Errorf("failed to make client log: %w", err)
+	}
+
+	n.anrClient, err = runner_sdk.New(runner_sdk.Config{
+		Endpoint:    "0.0.0.0:12352",
+		DialTimeout: 10 * time.Second,
+	}, zapLog)
+	if err != nil {
+		return fmt.Errorf("failed to start ANR client: %w", err)
+	}
+
+	return nil
+}
+
+// initServer starts the ANR server if it is not populated
+func (n *NetworkManager) initServer() error {
+	if n.anrServer != nil {
+		return nil
+	}
+
+	_, err := n.startServer(context.Background())
+	return err
+}
+
+// initClient starts an ANR client if it not populated
+func (n *NetworkManager) initClient() error {
+	if n.anrClient != nil {
+		return nil
+	}
+
+	return n.startClient()
+}
+
+// init starts the ANR server and client if they are not yet populated
+func (n *NetworkManager) init() error {
+	if err := n.initServer(); err != nil {
+		return err
+	}
+	return n.initClient()
+}
+
+// StartDefaultNetwork constructs a default 5 node network.
+func (n *NetworkManager) StartDefaultNetwork(ctx context.Context) (<-chan struct{}, error) {
+	if err := n.init(); err != nil {
+		return nil, err
+	}
+
+	log.Info("Sending 'start'", "AvalancheGoExecPath", n.ANRConfig.AvalancheGoExecPath)
+
+	// Start cluster
+	resp, err := n.anrClient.Start(
+		ctx,
+		n.ANRConfig.AvalancheGoExecPath,
+		runner_sdk.WithPluginDir(n.ANRConfig.PluginDir),
+		runner_sdk.WithGlobalNodeConfig(n.ANRConfig.GlobalNodeConfig),
+	)
+	if err != nil {
+		return nil, fmt.Errorf("failed to start ANR network: %w", err)
+	}
+	log.Info("successfully started cluster", "RootDataDir", resp.ClusterInfo.RootDataDir, "Subnets", resp.GetClusterInfo().GetSubnets())
+	return n.done, nil
+}
+
+// SetupNetwork constructs blockchains with the given [blockchainSpecs] and adds them to the network manager.
+// Uses [execPath] as the AvalancheGo binary execution path for any started nodes.
+// Note: this assumes that the default network has already been constructed.
+func (n *NetworkManager) SetupNetwork(ctx context.Context, execPath string, blockchainSpecs []*rpcpb.BlockchainSpec) error {
+	cctx, cancel := context.WithTimeout(ctx, 2*time.Minute)
+	defer cancel()
+	if err := n.init(); err != nil {
+		return err
+	}
+	sresp, err := n.anrClient.CreateBlockchains(
+		ctx,
+		blockchainSpecs,
+	)
+	if err != nil {
+		return fmt.Errorf("failed to create blockchains: %w", err)
+	}
+
+	// TODO: network runner health should imply custom VM healthiness
+	// or provide a separate API for custom VM healthiness
+	// "start" is async, so wait some time for cluster health
+	log.Info("waiting for all VMs to report healthy", "VMID", evm.ID)
+	for {
+		v, err := n.anrClient.Health(ctx)
+		log.Info("Pinged CLI Health", "result", v, "err", err)
+		if err != nil {
+			time.Sleep(1 * time.Second)
+			continue
+		} else if ctx.Err() != nil {
+			return fmt.Errorf("failed to await healthy network: %w", ctx.Err())
+		}
+		break
+	}
+
+	status, err := n.anrClient.Status(cctx)
+	if err != nil {
+		return fmt.Errorf("failed to get ANR status: %w", err)
+	}
+	nodeInfos := status.GetClusterInfo().GetNodeInfos()
+
+	for i, chainSpec := range blockchainSpecs {
+		blockchainIDStr := sresp.ChainIds[i]
+		blockchainID, err := ids.FromString(blockchainIDStr)
+		if err != nil {
+			panic(err)
+		}
+		subnetIDStr := sresp.ClusterInfo.CustomChains[blockchainIDStr].SubnetId
+		subnetID, err := ids.FromString(subnetIDStr)
+		if err != nil {
+			panic(err)
+		}
+		subnet := &Subnet{
+			SubnetID:     subnetID,
+			BlockchainID: blockchainID,
+		}
+		for _, nodeName := range chainSpec.SubnetSpec.Participants {
+			subnet.ValidatorURIs = append(subnet.ValidatorURIs, nodeInfos[nodeName].Uri)
+		}
+		n.subnets = append(n.subnets, subnet)
+	}
+
+	return nil
+}
+
+// TeardownNetwork tears down the network constructed by the network manager and cleans up
+// everything associated with it.
+func (n *NetworkManager) TeardownNetwork() error {
+	if err := n.initClient(); err != nil {
+		return err
+	}
+	errs := wrappers.Errs{}
+	log.Info("Shutting down cluster")
+	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
+	_, err := n.anrClient.Stop(ctx)
+	cancel()
+	errs.Add(err)
+	errs.Add(n.anrClient.Close())
+	if n.serverCtxCancel != nil {
+		n.serverCtxCancel()
+	}
+	return errs.Err
+}
+
+// CloseClient closes the connection between the ANR client and server without terminating the
+// running network.
+func (n *NetworkManager) CloseClient() error {
+	if n.anrClient == nil {
+		return nil
+	}
+	err := n.anrClient.Close()
+	n.anrClient = nil
+	return err
+}
+
+// GetSubnets returns the IDs of the currently running subnets
+func (n *NetworkManager) GetSubnets() []ids.ID {
+	subnetIDs := make([]ids.ID, 0, len(n.subnets))
+	for _, subnet := range n.subnets {
+		subnetIDs = append(subnetIDs, subnet.SubnetID)
+	}
+	return subnetIDs
+}
+
+// GetSubnet retrieves the subnet details for the requested subnetID
+func (n *NetworkManager) GetSubnet(subnetID ids.ID) (*Subnet, bool) {
+	for _, subnet := range n.subnets {
+		if subnet.SubnetID == subnetID {
+			return subnet, true
+		}
+	}
+	return nil, false
+}
+
+func RegisterFiveNodeSubnetRun() func() *Subnet {
+	var (
+		config   = NewDefaultANRConfig()
+		manager  = NewNetworkManager(config)
+		numNodes = 5
+	)
+
+	_ = ginkgo.BeforeSuite(func() {
+		// Name 10 new validators (which should have BLS key registered)
+		subnetA := make([]string, 0)
+		for i := 1; i <= numNodes; i++ {
+			subnetA = append(subnetA, fmt.Sprintf("node%d-bls", i))
+		}
+
+		ctx := context.Background()
+		var err error
+		_, err = manager.StartDefaultNetwork(ctx)
+		gomega.Expect(err).Should(gomega.BeNil())
+		err = manager.SetupNetwork(
+			ctx,
+			config.AvalancheGoExecPath,
+			[]*rpcpb.BlockchainSpec{
+				{
+					VmName:      evm.IDStr,
+					Genesis:     "./tests/load/genesis/genesis.json",
+					ChainConfig: "",
+					SubnetSpec: &rpcpb.SubnetSpec{
+						Participants: subnetA,
+					},
+				},
+			},
+		)
+		gomega.Expect(err).Should(gomega.BeNil())
+	})
+
+	var _ = ginkgo.AfterSuite(func() {
+		gomega.Expect(manager).ShouldNot(gomega.BeNil())
+		gomega.Expect(manager.TeardownNetwork()).Should(gomega.BeNil())
+		// TODO: bootstrap an additional node to ensure that we can bootstrap the test data correctly
+	})
+
+	return func() *Subnet {
+		subnetIDs := manager.GetSubnets()
+		gomega.Expect(len(subnetIDs)).Should(gomega.Equal(1))
+		subnetID := subnetIDs[0]
+		subnetDetails, ok := manager.GetSubnet(subnetID)
+		gomega.Expect(ok).Should(gomega.BeTrue())
+		return subnetDetails
+	}
+}
diff --git a/tests/utils/subnet.go b/tests/utils/subnet.go
index 75fb42f585..6086ecc571 100644
--- a/tests/utils/subnet.go
+++ b/tests/utils/subnet.go
@@ -8,9 +8,12 @@ import (
 	"encoding/json"
 	"fmt"
 	"os"
-	"os/exec"
+	"path/filepath"
+	"strings"
+	"sync"
 	"time"
 
+	"github.com/ava-labs/avalanchego/api/health"
 	"github.com/ava-labs/avalanchego/api/info"
 	"github.com/ava-labs/avalanchego/genesis"
 	"github.com/ava-labs/avalanchego/ids"
@@ -18,34 +21,95 @@ import (
 	wallet "github.com/ava-labs/avalanchego/wallet/subnet/primary"
 	"github.com/ava-labs/subnet-evm/core"
 	"github.com/ava-labs/subnet-evm/plugin/evm"
-	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/log"
+	"github.com/go-cmd/cmd"
+	"github.com/onsi/ginkgo/v2"
 	"github.com/onsi/gomega"
 )
 
-func RunHardhatTests(test string, rpcURI string) {
-	log.Info("Sleeping to wait for test ping", "rpcURI", rpcURI)
-	client, err := NewEvmClient(rpcURI, 225, 2)
-	gomega.Expect(err).Should(gomega.BeNil())
+type SubnetSuite struct {
+	blockchainIDs map[string]string
+	lock          sync.RWMutex
+}
 
-	bal, err := client.FetchBalance(context.Background(), common.HexToAddress(""))
-	gomega.Expect(err).Should(gomega.BeNil())
-	gomega.Expect(bal.Cmp(common.Big0)).Should(gomega.Equal(0))
+func (s *SubnetSuite) GetBlockchainID(alias string) string {
+	s.lock.RLock()
+	defer s.lock.RUnlock()
+	return s.blockchainIDs[alias]
+}
 
-	err = os.Setenv("RPC_URI", rpcURI)
-	gomega.Expect(err).Should(gomega.BeNil())
-	cmd := exec.Command("npx", "hardhat", "test", fmt.Sprintf("./test/%s.ts", test), "--network", "local")
-	cmd.Dir = "./contract-examples"
-	log.Info("Running hardhat command", "cmd", cmd.String())
+func (s *SubnetSuite) SetBlockchainIDs(blockchainIDs map[string]string) {
+	s.lock.Lock()
+	defer s.lock.Unlock()
+	s.blockchainIDs = blockchainIDs
+}
 
-	out, err := cmd.CombinedOutput()
-	fmt.Printf("\nCombined output:\n\n%s\n", string(out))
-	if err != nil {
-		fmt.Printf("\nErr: %s\n", err.Error())
-	}
-	gomega.Expect(err).Should(gomega.BeNil())
+// CreateSubnetsSuite creates subnets for given [genesisFiles], and registers a before suite that starts an AvalancheGo process to use for the e2e tests.
+// genesisFiles is a map of test aliases to genesis file paths.
+func CreateSubnetsSuite(genesisFiles map[string]string) *SubnetSuite {
+	// Keep track of the AvalancheGo external bash script, it is null for most
+	// processes except the first process that starts AvalancheGo
+	var startCmd *cmd.Cmd
+
+	// This is used to pass the blockchain IDs from the SynchronizedBeforeSuite() to the tests
+	var globalSuite SubnetSuite
+
+	// Our test suite runs in separate processes, ginkgo has
+	// SynchronizedBeforeSuite() which runs once, and its return value is passed
+	// over to each worker.
+	//
+	// Here an AvalancheGo node instance is started, and subnets are created for
+	// each test case. Each test case has its own subnet, therefore all tests
+	// can run in parallel without any issue.
+	//
+	var _ = ginkgo.SynchronizedBeforeSuite(func() []byte {
+		ctx, cancel := context.WithTimeout(context.Background(), BootAvalancheNodeTimeout)
+		defer cancel()
+
+		wd, err := os.Getwd()
+		gomega.Expect(err).Should(gomega.BeNil())
+		log.Info("Starting AvalancheGo node", "wd", wd)
+		cmd, err := RunCommand("./scripts/run.sh")
+		startCmd = cmd
+		gomega.Expect(err).Should(gomega.BeNil())
+
+		// Assumes that startCmd will launch a node with HTTP Port at [utils.DefaultLocalNodeURI]
+		healthClient := health.NewClient(DefaultLocalNodeURI)
+		healthy, err := health.AwaitReady(ctx, healthClient, HealthCheckTimeout, nil)
+		gomega.Expect(err).Should(gomega.BeNil())
+		gomega.Expect(healthy).Should(gomega.BeTrue())
+		log.Info("AvalancheGo node is healthy")
+
+		gomega.Expect(err).NotTo(gomega.HaveOccurred())
+		blockchainIDs := make(map[string]string)
+		for alias, file := range genesisFiles {
+			blockchainIDs[alias] = CreateNewSubnet(ctx, file)
+		}
+
+		blockchainIDsBytes, err := json.Marshal(blockchainIDs)
+		gomega.Expect(err).NotTo(gomega.HaveOccurred())
+		return blockchainIDsBytes
+	}, func(ctx ginkgo.SpecContext, data []byte) {
+		blockchainIDs := make(map[string]string)
+		err := json.Unmarshal(data, &blockchainIDs)
+		gomega.Expect(err).NotTo(gomega.HaveOccurred())
+
+		globalSuite.SetBlockchainIDs(blockchainIDs)
+	})
+
+	// SynchronizedAfterSuite() takes two functions, the first runs after each test suite is done and the second
+	// function is executed once when all the tests are done. This function is used
+	// to gracefully shutdown the AvalancheGo node.
+	var _ = ginkgo.SynchronizedAfterSuite(func() {}, func() {
+		gomega.Expect(startCmd).ShouldNot(gomega.BeNil())
+		gomega.Expect(startCmd.Stop()).Should(gomega.BeNil())
+	})
+
+	return &globalSuite
 }
 
+// CreateNewSubnet creates a new subnet and Subnet-EVM blockchain with the given genesis file.
+// returns the ID of the new created blockchain.
 func CreateNewSubnet(ctx context.Context, genesisFilePath string) string {
 	kc := secp256k1fx.NewKeychain(genesis.EWOQKey)
 
@@ -70,7 +134,7 @@ func CreateNewSubnet(ctx context.Context, genesisFilePath string) string {
 	gomega.Expect(err).Should(gomega.BeNil())
 
 	log.Info("Creating new subnet")
-	createSubnetTxID, err := pWallet.IssueCreateSubnetTx(owner)
+	createSubnetTx, err := pWallet.IssueCreateSubnetTx(owner)
 	gomega.Expect(err).Should(gomega.BeNil())
 
 	genesis := &core.Genesis{}
@@ -78,14 +142,15 @@ func CreateNewSubnet(ctx context.Context, genesisFilePath string) string {
 	gomega.Expect(err).Should(gomega.BeNil())
 
 	log.Info("Creating new Subnet-EVM blockchain", "genesis", genesis)
-	createChainTxID, err := pWallet.IssueCreateChainTx(
-		createSubnetTxID,
+	createChainTx, err := pWallet.IssueCreateChainTx(
+		createSubnetTx.ID(),
 		genesisBytes,
 		evm.ID,
 		nil,
 		"testChain",
 	)
 	gomega.Expect(err).Should(gomega.BeNil())
+	createChainTxID := createChainTx.ID()
 
 	// Confirm the new blockchain is ready by waiting for the readiness endpoint
 	infoClient := info.NewClient(DefaultLocalNodeURI)
@@ -97,14 +162,21 @@ func CreateNewSubnet(ctx context.Context, genesisFilePath string) string {
 	return createChainTxID.String()
 }
 
-func ExecuteHardHatTestOnNewBlockchain(ctx context.Context, test string) {
-	log.Info("Executing HardHat tests on a new blockchain", "test", test)
-
-	genesisFilePath := fmt.Sprintf("./tests/precompile/genesis/%s.json", test)
-
-	blockchainID := CreateNewSubnet(ctx, genesisFilePath)
-	chainURI := fmt.Sprintf("%s/ext/bc/%s/rpc", DefaultLocalNodeURI, blockchainID)
+// GetDefaultChainURI returns the default chain URI for a given blockchainID
+func GetDefaultChainURI(blockchainID string) string {
+	return fmt.Sprintf("%s/ext/bc/%s/rpc", DefaultLocalNodeURI, blockchainID)
+}
 
-	log.Info("Created subnet successfully", "ChainURI", chainURI)
-	RunHardhatTests(test, chainURI)
+// GetFilesAndAliases returns a map of aliases to file paths in given [dir].
+func GetFilesAndAliases(dir string) (map[string]string, error) {
+	files, err := filepath.Glob(dir)
+	if err != nil {
+		return nil, err
+	}
+	aliasesToFiles := make(map[string]string)
+	for _, file := range files {
+		alias := strings.TrimSuffix(filepath.Base(file), filepath.Ext(file))
+		aliasesToFiles[alias] = file
+	}
+	return aliasesToFiles, nil
 }
diff --git a/tests/warp/warp_test.go b/tests/warp/warp_test.go
new file mode 100644
index 0000000000..22f1f26f6f
--- /dev/null
+++ b/tests/warp/warp_test.go
@@ -0,0 +1,384 @@
+// Copyright (C) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+// Implements solidity tests.
+package warp
+
+import (
+	"context"
+	"crypto/ecdsa"
+	"fmt"
+	"math/big"
+	"os"
+	"strings"
+	"testing"
+
+	"github.com/ava-labs/avalanche-network-runner/rpcpb"
+	"github.com/ava-labs/avalanchego/api/info"
+	"github.com/ava-labs/avalanchego/ids"
+	"github.com/ava-labs/avalanchego/utils/crypto/bls"
+	"github.com/ava-labs/avalanchego/utils/set"
+	avalancheWarp "github.com/ava-labs/avalanchego/vms/platformvm/warp"
+	"github.com/ava-labs/subnet-evm/core/types"
+	"github.com/ava-labs/subnet-evm/ethclient"
+	"github.com/ava-labs/subnet-evm/interfaces"
+	"github.com/ava-labs/subnet-evm/params"
+	"github.com/ava-labs/subnet-evm/plugin/evm"
+	"github.com/ava-labs/subnet-evm/tests/utils/runner"
+	predicateutils "github.com/ava-labs/subnet-evm/utils/predicate"
+	warpBackend "github.com/ava-labs/subnet-evm/warp"
+	"github.com/ava-labs/subnet-evm/x/warp"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/log"
+	ginkgo "github.com/onsi/ginkgo/v2"
+	"github.com/onsi/gomega"
+)
+
+var (
+	config              = runner.NewDefaultANRConfig()
+	manager             = runner.NewNetworkManager(config)
+	warpChainConfigPath string
+)
+
+func TestE2E(t *testing.T) {
+	gomega.RegisterFailHandler(ginkgo.Fail)
+	ginkgo.RunSpecs(t, "subnet-evm warp e2e test")
+}
+
+func toWebsocketURI(uri string, blockchainID string) string {
+	return fmt.Sprintf("ws://%s/ext/bc/%s/ws", strings.TrimPrefix(uri, "http://"), blockchainID)
+}
+
+// BeforeSuite starts the default network and adds 10 new nodes as validators with BLS keys
+// registered on the P-Chain.
+// Adds two disjoint sets of 5 of the new validator nodes to validate two new subnets with a
+// a single Subnet-EVM blockchain.
+var _ = ginkgo.BeforeSuite(func() {
+	ctx := context.Background()
+	var err error
+	// Name 10 new validators (which should have BLS key registered)
+	subnetANodeNames := make([]string, 0)
+	subnetBNodeNames := []string{}
+	for i := 1; i <= 10; i++ {
+		n := fmt.Sprintf("node%d-bls", i)
+		if i <= 5 {
+			subnetANodeNames = append(subnetANodeNames, n)
+		} else {
+			subnetBNodeNames = append(subnetBNodeNames, n)
+		}
+	}
+	f, err := os.CreateTemp(os.TempDir(), "config.json")
+	gomega.Expect(err).Should(gomega.BeNil())
+	_, err = f.Write([]byte(`{"warp-api-enabled": true}`))
+	gomega.Expect(err).Should(gomega.BeNil())
+	warpChainConfigPath = f.Name()
+
+	// Construct the network using the avalanche-network-runner
+	_, err = manager.StartDefaultNetwork(ctx)
+	gomega.Expect(err).Should(gomega.BeNil())
+	err = manager.SetupNetwork(
+		ctx,
+		config.AvalancheGoExecPath,
+		[]*rpcpb.BlockchainSpec{
+			{
+				VmName:      evm.IDStr,
+				Genesis:     "./tests/precompile/genesis/warp.json",
+				ChainConfig: warpChainConfigPath,
+				SubnetSpec: &rpcpb.SubnetSpec{
+					SubnetConfig: "",
+					Participants: subnetANodeNames,
+				},
+			},
+			{
+				VmName:      evm.IDStr,
+				Genesis:     "./tests/precompile/genesis/warp.json",
+				ChainConfig: warpChainConfigPath,
+				SubnetSpec: &rpcpb.SubnetSpec{
+					SubnetConfig: "",
+					Participants: subnetBNodeNames,
+				},
+			},
+		},
+	)
+	gomega.Expect(err).Should(gomega.BeNil())
+})
+
+var _ = ginkgo.AfterSuite(func() {
+	gomega.Expect(manager).ShouldNot(gomega.BeNil())
+	gomega.Expect(manager.TeardownNetwork()).Should(gomega.BeNil())
+	gomega.Expect(os.Remove(warpChainConfigPath)).Should(gomega.BeNil())
+	// TODO: bootstrap an additional node to ensure that we can bootstrap the test data correctly
+})
+
+var _ = ginkgo.Describe("[Warp]", ginkgo.Ordered, func() {
+	var (
+		unsignedWarpMsg                *avalancheWarp.UnsignedMessage
+		unsignedWarpMessageID          ids.ID
+		signedWarpMsg                  *avalancheWarp.Message
+		blockchainIDA, blockchainIDB   ids.ID
+		chainAURIs, chainBURIs         []string
+		chainAWSClient, chainBWSClient ethclient.Client
+		chainID                        = big.NewInt(99999)
+		fundedKey                      *ecdsa.PrivateKey
+		fundedAddress                  common.Address
+		payload                        = []byte{1, 2, 3}
+		txSigner                       = types.LatestSignerForChainID(chainID)
+		err                            error
+	)
+
+	fundedKey, err = crypto.HexToECDSA("56289e99c94b6912bfc12adc093c9b51124f0dc54ac7a766b2bc5ccf558d8027")
+	if err != nil {
+		panic(err)
+	}
+	fundedAddress = crypto.PubkeyToAddress(fundedKey.PublicKey)
+
+	ginkgo.It("Setup URIs", ginkgo.Label("Warp", "SetupWarp"), func() {
+		subnetIDs := manager.GetSubnets()
+		gomega.Expect(len(subnetIDs)).Should(gomega.Equal(2))
+
+		subnetA := subnetIDs[0]
+		subnetADetails, ok := manager.GetSubnet(subnetA)
+		gomega.Expect(ok).Should(gomega.BeTrue())
+		blockchainIDA = subnetADetails.BlockchainID
+		gomega.Expect(len(subnetADetails.ValidatorURIs)).Should(gomega.Equal(5))
+		chainAURIs = append(chainAURIs, subnetADetails.ValidatorURIs...)
+
+		subnetB := subnetIDs[1]
+		subnetBDetails, ok := manager.GetSubnet(subnetB)
+		gomega.Expect(ok).Should(gomega.BeTrue())
+		blockchainIDB := subnetBDetails.BlockchainID
+		gomega.Expect(len(subnetBDetails.ValidatorURIs)).Should(gomega.Equal(5))
+		chainBURIs = append(chainBURIs, subnetBDetails.ValidatorURIs...)
+
+		log.Info("Created URIs for both subnets", "ChainAURIs", chainAURIs, "ChainBURIs", chainBURIs, "blockchainIDA", blockchainIDA, "blockchainIDB", blockchainIDB)
+
+		chainAWSURI := toWebsocketURI(chainAURIs[0], blockchainIDA.String())
+		log.Info("Creating ethclient for blockchainA", "wsURI", chainAWSURI)
+		chainAWSClient, err = ethclient.Dial(chainAWSURI)
+		gomega.Expect(err).Should(gomega.BeNil())
+
+		chainBWSURI := toWebsocketURI(chainBURIs[0], blockchainIDB.String())
+		log.Info("Creating ethclient for blockchainB", "wsURI", chainBWSURI)
+		chainBWSClient, err = ethclient.Dial(chainBWSURI)
+		gomega.Expect(err).Should(gomega.BeNil())
+
+	})
+
+	// Send a transaction to Subnet A to issue a Warp Message to Subnet B
+	ginkgo.It("Send Message from A to B", ginkgo.Label("Warp", "SendWarp"), func() {
+		ctx := context.Background()
+
+		gomega.Expect(err).Should(gomega.BeNil())
+
+		log.Info("Subscribing to new heads")
+		newHeads := make(chan *types.Header, 10)
+		sub, err := chainAWSClient.SubscribeNewHead(ctx, newHeads)
+		gomega.Expect(err).Should(gomega.BeNil())
+		defer sub.Unsubscribe()
+
+		packedInput, err := warp.PackSendWarpMessage(warp.SendWarpMessageInput{
+			DestinationChainID: common.Hash(blockchainIDB),
+			DestinationAddress: fundedAddress,
+			Payload:            payload,
+		})
+		gomega.Expect(err).Should(gomega.BeNil())
+		tx := types.NewTx(&types.DynamicFeeTx{
+			ChainID:   chainID,
+			Nonce:     0,
+			To:        &warp.Module.Address,
+			Gas:       200_000,
+			GasFeeCap: big.NewInt(225 * params.GWei),
+			GasTipCap: big.NewInt(params.GWei),
+			Value:     common.Big0,
+			Data:      packedInput,
+		})
+		signedTx, err := types.SignTx(tx, txSigner, fundedKey)
+		gomega.Expect(err).Should(gomega.BeNil())
+		log.Info("Sending sendWarpMessage transaction", "txHash", signedTx.Hash())
+		err = chainAWSClient.SendTransaction(ctx, signedTx)
+		gomega.Expect(err).Should(gomega.BeNil())
+
+		log.Info("Waiting for new block confirmation")
+		newHead := <-newHeads
+		blockHash := newHead.Hash()
+
+		log.Info("Fetching relevant warp logs from the newly produced block")
+		logs, err := chainAWSClient.FilterLogs(ctx, interfaces.FilterQuery{
+			BlockHash: &blockHash,
+			Addresses: []common.Address{warp.Module.Address},
+		})
+		gomega.Expect(err).Should(gomega.BeNil())
+		gomega.Expect(len(logs)).Should(gomega.Equal(1))
+
+		// Check for relevant warp log from subscription and ensure that it matches
+		// the log extracted from the last block.
+		txLog := logs[0]
+		log.Info("Parsing logData as unsigned warp message")
+		unsignedMsg, err := avalancheWarp.ParseUnsignedMessage(txLog.Data)
+		gomega.Expect(err).Should(gomega.BeNil())
+
+		// Set local variables for the duration of the test
+		unsignedWarpMessageID = unsignedMsg.ID()
+		unsignedWarpMsg = unsignedMsg
+		log.Info("Parsed unsignedWarpMsg", "unsignedWarpMessageID", unsignedWarpMessageID, "unsignedWarpMessage", unsignedWarpMsg)
+
+		// Loop over each client on chain A to ensure they all have time to accept the block.
+		// Note: if we did not confirm this here, the next stage could be racy since it assumes every node
+		// has accepted the block.
+		for i, uri := range chainAURIs {
+			chainAWSURI := toWebsocketURI(uri, blockchainIDA.String())
+			log.Info("Creating ethclient for blockchainA", "wsURI", chainAWSURI)
+			client, err := ethclient.Dial(chainAWSURI)
+			gomega.Expect(err).Should(gomega.BeNil())
+
+			// Loop until each node has advanced to >= the height of the block that emitted the warp log
+			for {
+				block, err := client.BlockByNumber(ctx, nil)
+				gomega.Expect(err).Should(gomega.BeNil())
+				if block.NumberU64() >= newHead.Number.Uint64() {
+					log.Info("client accepted the block containing SendWarpMessage", "client", i, "height", block.NumberU64())
+					break
+				}
+			}
+		}
+	})
+
+	// Aggregate a Warp Signature by sending an API request to each node requesting its signature and manually
+	// constructing a valid Avalanche Warp Message
+	ginkgo.It("Aggregate Warp Signature via API", ginkgo.Label("Warp", "ReceiveWarp", "AggregateWarpManually"), func() {
+		ctx := context.Background()
+
+		blsSignatures := make([]*bls.Signature, 0, len(chainAURIs))
+		for i, uri := range chainAURIs {
+			warpClient, err := warpBackend.NewWarpClient(uri, blockchainIDA.String())
+			gomega.Expect(err).Should(gomega.BeNil())
+			log.Info("Fetching warp signature from node")
+			rawSignatureBytes, err := warpClient.GetSignature(ctx, unsignedWarpMessageID)
+			gomega.Expect(err).Should(gomega.BeNil())
+
+			blsSignature, err := bls.SignatureFromBytes(rawSignatureBytes)
+			gomega.Expect(err).Should(gomega.BeNil())
+
+			infoClient := info.NewClient(uri)
+			nodeID, blsSigner, err := infoClient.GetNodeID(ctx)
+			gomega.Expect(err).Should(gomega.BeNil())
+
+			blsSignatures = append(blsSignatures, blsSignature)
+
+			blsPublicKey := blsSigner.Key()
+			log.Info("Verifying BLS Signature from node", "nodeID", nodeID, "nodeIndex", i)
+			gomega.Expect(bls.Verify(blsPublicKey, blsSignature, unsignedWarpMsg.Bytes())).Should(gomega.BeTrue())
+		}
+
+		blsAggregatedSignature, err := bls.AggregateSignatures(blsSignatures)
+		gomega.Expect(err).Should(gomega.BeNil())
+
+		signersBitSet := set.NewBits()
+		for i := 0; i < len(blsSignatures); i++ {
+			signersBitSet.Add(i)
+		}
+		warpSignature := &avalancheWarp.BitSetSignature{
+			Signers: signersBitSet.Bytes(),
+		}
+
+		blsAggregatedSignatureBytes := bls.SignatureToBytes(blsAggregatedSignature)
+		copy(warpSignature.Signature[:], blsAggregatedSignatureBytes)
+
+		warpMsg, err := avalancheWarp.NewMessage(
+			unsignedWarpMsg,
+			warpSignature,
+		)
+		gomega.Expect(err).Should(gomega.BeNil())
+		signedWarpMsg = warpMsg
+	})
+
+	// Aggregate a Warp Signature using the node's Signature Aggregation API call and verifying that its output matches the
+	// the manual construction
+	ginkgo.It("Aggregate Warp Signature via Aggregator", ginkgo.Label("Warp", "ReceiveWarp", "AggregatorWarp"), func() {
+		ctx := context.Background()
+
+		// Verify that the signature aggregation matches the results of manually constructing the warp message
+		warpClient, err := warpBackend.NewWarpClient(chainAURIs[0], blockchainIDA.String())
+		gomega.Expect(err).Should(gomega.BeNil())
+
+		// Specify WarpQuorumDenominator to retrieve signatures from every validator
+		signedWarpMessageBytes, err := warpClient.GetAggregateSignature(ctx, unsignedWarpMessageID, params.WarpQuorumDenominator)
+		gomega.Expect(err).Should(gomega.BeNil())
+		gomega.Expect(signedWarpMessageBytes).Should(gomega.Equal(signedWarpMsg.Bytes()))
+	})
+
+	// Verify successful delivery of the Avalanche Warp Message from Chain A to Chain B
+	ginkgo.It("Verify Message from A to B", ginkgo.Label("Warp", "VerifyMessage"), func() {
+		ctx := context.Background()
+
+		log.Info("Subscribing to new heads")
+		newHeads := make(chan *types.Header, 10)
+		sub, err := chainBWSClient.SubscribeNewHead(ctx, newHeads)
+		gomega.Expect(err).Should(gomega.BeNil())
+		defer sub.Unsubscribe()
+
+		// Trigger building of a new block at the current timestamp.
+		// This timestamp should be after the ProposerVM activation time or ApricotPhase4 block timestamp.
+		// This should generate a PostForkBlock because its parent block (genesis) has a timestamp (0) that is greater than or equal
+		// to the fork activation time of 0.
+		// Therefore, when we build a subsequent block it should be built with BuildBlockWithContext
+		nonce, err := chainBWSClient.NonceAt(ctx, fundedAddress, nil)
+		gomega.Expect(err).Should(gomega.BeNil())
+
+		triggerTx, err := types.SignTx(types.NewTransaction(nonce, fundedAddress, common.Big1, 21_000, big.NewInt(225*params.GWei), nil), txSigner, fundedKey)
+		gomega.Expect(err).Should(gomega.BeNil())
+
+		err = chainBWSClient.SendTransaction(ctx, triggerTx)
+		gomega.Expect(err).Should(gomega.BeNil())
+		newHead := <-newHeads
+		log.Info("Transaction triggered new block", "blockHash", newHead.Hash())
+		nonce++
+
+		triggerTx, err = types.SignTx(types.NewTransaction(nonce, fundedAddress, common.Big1, 21_000, big.NewInt(225*params.GWei), nil), txSigner, fundedKey)
+		gomega.Expect(err).Should(gomega.BeNil())
+
+		err = chainBWSClient.SendTransaction(ctx, triggerTx)
+		gomega.Expect(err).Should(gomega.BeNil())
+		newHead = <-newHeads
+		log.Info("Transaction triggered new block", "blockHash", newHead.Hash())
+		nonce++
+
+		packedInput, err := warp.PackGetVerifiedWarpMessage()
+		gomega.Expect(err).Should(gomega.BeNil())
+		tx := predicateutils.NewPredicateTx(
+			chainID,
+			nonce,
+			&warp.Module.Address,
+			5_000_000,
+			big.NewInt(225*params.GWei),
+			big.NewInt(params.GWei),
+			common.Big0,
+			packedInput,
+			types.AccessList{},
+			warp.ContractAddress,
+			signedWarpMsg.Bytes(),
+		)
+		signedTx, err := types.SignTx(tx, txSigner, fundedKey)
+		gomega.Expect(err).Should(gomega.BeNil())
+		txBytes, err := signedTx.MarshalBinary()
+		gomega.Expect(err).Should(gomega.BeNil())
+		log.Info("Sending getVerifiedWarpMessage transaction", "txHash", signedTx.Hash(), "txBytes", common.Bytes2Hex(txBytes))
+		err = chainBWSClient.SendTransaction(ctx, signedTx)
+		gomega.Expect(err).Should(gomega.BeNil())
+
+		log.Info("Waiting for new block confirmation")
+		newHead = <-newHeads
+		blockHash := newHead.Hash()
+		log.Info("Fetching relevant warp logs and receipts from new block")
+		logs, err := chainBWSClient.FilterLogs(ctx, interfaces.FilterQuery{
+			BlockHash: &blockHash,
+			Addresses: []common.Address{warp.Module.Address},
+		})
+		gomega.Expect(err).Should(gomega.BeNil())
+		gomega.Expect(len(logs)).Should(gomega.Equal(0))
+		receipt, err := chainBWSClient.TransactionReceipt(ctx, signedTx.Hash())
+		gomega.Expect(err).Should(gomega.BeNil())
+		gomega.Expect(receipt.Status).Should(gomega.Equal(types.ReceiptStatusSuccessful))
+	})
+})
diff --git a/trie/committer.go b/trie/committer.go
index 535f2cf0d4..6a5727d644 100644
--- a/trie/committer.go
+++ b/trie/committer.go
@@ -43,32 +43,37 @@ type leaf struct {
 // insertion order.
 type committer struct {
 	nodes       *NodeSet
+	tracer      *tracer
 	collectLeaf bool
 }
 
 // newCommitter creates a new committer or picks one from the pool.
-func newCommitter(owner common.Hash, collectLeaf bool) *committer {
+func newCommitter(owner common.Hash, tracer *tracer, collectLeaf bool) *committer {
 	return &committer{
 		nodes:       NewNodeSet(owner),
+		tracer:      tracer,
 		collectLeaf: collectLeaf,
 	}
 }
 
-// Commit collapses a node down into a hash node and inserts it into the database
-func (c *committer) Commit(n node) (hashNode, *NodeSet, error) {
-	h, err := c.commit(nil, n)
-	if err != nil {
-		return nil, nil, err
-	}
-	return h.(hashNode), c.nodes, nil
+// Commit collapses a node down into a hash node and returns it along with
+// the modified nodeset.
+func (c *committer) Commit(n node) (hashNode, *NodeSet) {
+	h := c.commit(nil, n)
+	// Some nodes can be deleted from trie which can't be captured
+	// by committer itself. Iterate all deleted nodes tracked by
+	// tracer and marked them as deleted only if they are present
+	// in database previously.
+	c.tracer.markDeletions(c.nodes)
+	return h.(hashNode), c.nodes
 }
 
-// commit collapses a node down into a hash node and inserts it into the database
-func (c *committer) commit(path []byte, n node) (node, error) {
+// commit collapses a node down into a hash node and returns it.
+func (c *committer) commit(path []byte, n node) node {
 	// if this path is clean, use available cached data
 	hash, dirty := n.cache()
 	if hash != nil && !dirty {
-		return hash, nil
+		return hash
 	}
 	// Commit children, then parent, and remove the dirty flag.
 	switch cn := n.(type) {
@@ -79,34 +84,42 @@ func (c *committer) commit(path []byte, n node) (node, error) {
 		// If the child is fullNode, recursively commit,
 		// otherwise it can only be hashNode or valueNode.
 		if _, ok := cn.Val.(*fullNode); ok {
-			childV, err := c.commit(append(path, cn.Key...), cn.Val)
-			if err != nil {
-				return nil, err
-			}
+			childV := c.commit(append(path, cn.Key...), cn.Val)
+
 			collapsed.Val = childV
 		}
-		// The key needs to be copied, since we're delivering it to database
+		// The key needs to be copied, since we're adding it to the
+		// modified nodeset.
 		collapsed.Key = hexToCompact(cn.Key)
 		hashedNode := c.store(path, collapsed)
 		if hn, ok := hashedNode.(hashNode); ok {
-			return hn, nil
+			return hn
 		}
-		return collapsed, nil
-	case *fullNode:
-		hashedKids, err := c.commitChildren(path, cn)
-		if err != nil {
-			return nil, err
+		// The short node now is embedded in its parent. Mark the node as
+		// deleted if it's present in database previously. It's equivalent
+		// as deletion from database's perspective.
+		if prev := c.tracer.getPrev(path); len(prev) != 0 {
+			c.nodes.markDeleted(path, prev)
 		}
+		return collapsed
+	case *fullNode:
+		hashedKids := c.commitChildren(path, cn)
 		collapsed := cn.copy()
 		collapsed.Children = hashedKids
 
 		hashedNode := c.store(path, collapsed)
 		if hn, ok := hashedNode.(hashNode); ok {
-			return hn, nil
+			return hn
+		}
+		// The full node now is embedded in its parent. Mark the node as
+		// deleted if it's present in database previously. It's equivalent
+		// as deletion from database's perspective.
+		if prev := c.tracer.getPrev(path); len(prev) != 0 {
+			c.nodes.markDeleted(path, prev)
 		}
-		return collapsed, nil
+		return collapsed
 	case hashNode:
-		return cn, nil
+		return cn
 	default:
 		// nil, valuenode shouldn't be committed
 		panic(fmt.Sprintf("%T: invalid node: %v", n, n))
@@ -114,7 +127,7 @@ func (c *committer) commit(path []byte, n node) (node, error) {
 }
 
 // commitChildren commits the children of the given fullnode
-func (c *committer) commitChildren(path []byte, n *fullNode) ([17]node, error) {
+func (c *committer) commitChildren(path []byte, n *fullNode) [17]node {
 	var children [17]node
 	for i := 0; i < 16; i++ {
 		child := n.Children[i]
@@ -131,29 +144,26 @@ func (c *committer) commitChildren(path []byte, n *fullNode) ([17]node, error) {
 		// Commit the child recursively and store the "hashed" value.
 		// Note the returned node can be some embedded nodes, so it's
 		// possible the type is not hashNode.
-		hashed, err := c.commit(append(path, byte(i)), child)
-		if err != nil {
-			return children, err
-		}
+		hashed := c.commit(append(path, byte(i)), child)
 		children[i] = hashed
 	}
 	// For the 17th child, it's possible the type is valuenode.
 	if n.Children[16] != nil {
 		children[16] = n.Children[16]
 	}
-	return children, nil
+	return children
 }
 
-// store hashes the node n and if we have a storage layer specified, it writes
-// the key/value pair to it and tracks any node->child references as well as any
-// node->external trie references.
+// store hashes the node n and adds it to the modified nodeset. If leaf collection
+// is enabled, leaf nodes will be tracked in the modified nodeset as well.
 func (c *committer) store(path []byte, n node) node {
 	// Larger nodes are replaced by their hash and stored in the database.
 	var hash, _ = n.cache()
+
 	// This was not generated - must be a small node stored in the parent.
 	// In theory, we should check if the node is leaf here (embedded node
-	// usually is leaf node). But small value(less than 32bytes) is not
-	// our target(leaves in account trie only).
+	// usually is leaf node). But small value (less than 32bytes) is not
+	// our target (leaves in account trie only).
 	if hash == nil {
 		return n
 	}
@@ -169,7 +179,7 @@ func (c *committer) store(path []byte, n node) node {
 		}
 	)
 	// Collect the dirty node to nodeset for return.
-	c.nodes.add(string(path), mnode)
+	c.nodes.markUpdated(path, mnode, c.tracer.getPrev(path))
 
 	// Collect the corresponding leaf node if it's required. We don't check
 	// full node since it's impossible to store value in fullNode. The key
diff --git a/trie/database.go b/trie/database.go
index 1436a37f6e..3e8fc23800 100644
--- a/trie/database.go
+++ b/trie/database.go
@@ -86,7 +86,7 @@ var (
 // The trie Database is thread-safe in its mutations and is thread-safe in providing individual,
 // independent node access.
 type Database struct {
-	diskdb ethdb.KeyValueStore // Persistent storage for matured trie nodes
+	diskdb ethdb.Database // Persistent storage for matured trie nodes
 
 	cleans  *utils.MeteredCache         // GC friendly memory cache of clean node RLPs
 	dirties map[common.Hash]*cachedNode // Data and references relationships of dirty trie nodes
@@ -292,14 +292,14 @@ type Config struct {
 // NewDatabase creates a new trie database to store ephemeral trie content before
 // its written out to disk or garbage collected. No read cache is created, so all
 // data retrievals will hit the underlying disk database.
-func NewDatabase(diskdb ethdb.KeyValueStore) *Database {
+func NewDatabase(diskdb ethdb.Database) *Database {
 	return NewDatabaseWithConfig(diskdb, nil)
 }
 
 // NewDatabaseWithConfig creates a new trie database to store ephemeral trie content
 // before its written out to disk or garbage collected. It also acts as a read cache
 // for nodes loaded from disk.
-func NewDatabaseWithConfig(diskdb ethdb.KeyValueStore, config *Config) *Database {
+func NewDatabaseWithConfig(diskdb ethdb.Database, config *Config) *Database {
 	var cleans *utils.MeteredCache
 	if config != nil && config.Cache > 0 {
 		cleans = utils.NewMeteredCache(config.Cache*1024*1024, config.Journal, config.StatsPrefix, cacheStatsUpdateFrequency)
@@ -319,11 +319,6 @@ func NewDatabaseWithConfig(diskdb ethdb.KeyValueStore, config *Config) *Database
 	return db
 }
 
-// DiskDB retrieves the persistent storage backing the trie database.
-func (db *Database) DiskDB() ethdb.KeyValueStore {
-	return db.diskdb
-}
-
 // insert inserts a simplified trie node into the memory database.
 // All nodes inserted by this function will be reference tracked
 // and in theory should only used for **trie nodes** insertion.
@@ -424,7 +419,7 @@ func (db *Database) node(hash common.Hash) ([]byte, *cachedNode, error) {
 	memcacheDirtyMissMeter.Mark(1)
 
 	// Content unavailable in memory, attempt to retrieve from disk
-	enc := rawdb.ReadTrieNode(db.diskdb, hash)
+	enc := rawdb.ReadLegacyTrieNode(db.diskdb, hash)
 	if len(enc) > 0 {
 		if db.cleans != nil {
 			db.cleans.Set(hash[:], enc)
@@ -577,7 +572,7 @@ func (db *Database) writeFlushItems(toFlush []*flushItem) error {
 	for _, item := range toFlush {
 		rlp := item.node.rlp()
 		item.rlp = rlp
-		rawdb.WriteTrieNode(batch, item.hash, rlp)
+		rawdb.WriteLegacyTrieNode(batch, item.hash, rlp)
 
 		// If we exceeded the ideal batch size, commit and reset
 		if batch.ValueSize() >= ethdb.IdealBatchSize {
@@ -686,7 +681,7 @@ func (db *Database) Cap(limit common.StorageSize) error {
 // Commit iterates over all the children of a particular node, writes them out
 // to disk, forcefully tearing down all references in both directions. As a side
 // effect, all pre-images accumulated up to this point are also written.
-func (db *Database) Commit(node common.Hash, report bool, callback func(common.Hash)) error {
+func (db *Database) Commit(node common.Hash, report bool) error {
 	start := time.Now()
 	if db.preimages != nil {
 		if err := db.preimages.commit(true); err != nil {
@@ -700,7 +695,7 @@ func (db *Database) Commit(node common.Hash, report bool, callback func(common.H
 	db.lock.RLock()
 	lockStart := time.Now()
 	nodes, storage := len(db.dirties), db.dirtiesSize
-	toFlush, err := db.commit(node, make([]*flushItem, 0, 128), callback)
+	toFlush, err := db.commit(node, make([]*flushItem, 0, 128))
 	if err != nil {
 		db.lock.RUnlock()
 		log.Error("Failed to commit trie from trie database", "err", err)
@@ -751,7 +746,7 @@ func (db *Database) Commit(node common.Hash, report bool, callback func(common.H
 //
 // [callback] will be invoked as soon as it is determined a trie node will be
 // flushed to disk (before it is actually written).
-func (db *Database) commit(hash common.Hash, toFlush []*flushItem, callback func(common.Hash)) ([]*flushItem, error) {
+func (db *Database) commit(hash common.Hash, toFlush []*flushItem) ([]*flushItem, error) {
 	// If the node does not exist, it's a previously committed node
 	node, ok := db.dirties[hash]
 	if !ok {
@@ -760,7 +755,7 @@ func (db *Database) commit(hash common.Hash, toFlush []*flushItem, callback func
 	var err error
 	node.forChilds(func(child common.Hash) {
 		if err == nil {
-			toFlush, err = db.commit(child, toFlush, callback)
+			toFlush, err = db.commit(child, toFlush)
 		}
 	})
 	if err != nil {
@@ -770,9 +765,6 @@ func (db *Database) commit(hash common.Hash, toFlush []*flushItem, callback func
 	// that children are committed before their parents (an invariant of this
 	// package).
 	toFlush = append(toFlush, &flushItem{hash, node, nil})
-	if callback != nil {
-		callback(hash)
-	}
 	return toFlush, nil
 }
 
@@ -860,8 +852,8 @@ func (db *Database) update(nodes *MergedNodeSet) error {
 	}
 	for _, owner := range order {
 		subset := nodes.sets[owner]
-		for _, path := range subset.paths {
-			n, ok := subset.nodes[path]
+		for _, path := range subset.updates.order {
+			n, ok := subset.updates.nodes[path]
 			if !ok {
 				return fmt.Errorf("missing node %x %v", owner, path)
 			}
@@ -876,7 +868,7 @@ func (db *Database) update(nodes *MergedNodeSet) error {
 			if err := rlp.DecodeBytes(n.blob, &account); err != nil {
 				return err
 			}
-			if account.Root != emptyRoot {
+			if account.Root != types.EmptyRootHash {
 				db.reference(account.Root, n.parent)
 			}
 		}
@@ -901,17 +893,32 @@ func (db *Database) Size() (common.StorageSize, common.StorageSize) {
 	return db.dirtiesSize + db.childrenSize + metadataSize - metarootRefs, preimageSize
 }
 
-// CommitPreimages flushes the dangling preimages to disk. It is meant to be
-// called when closing the blockchain object, so that preimages are persisted
-// to the database.
-func (db *Database) CommitPreimages() error {
-	db.lock.Lock()
-	defer db.lock.Unlock()
+// GetReader retrieves a node reader belonging to the given state root.
+func (db *Database) GetReader(root common.Hash) Reader {
+	return newHashReader(db)
+}
 
-	if db.preimages == nil {
-		return nil
-	}
-	return db.preimages.commit(true)
+// hashReader is reader of hashDatabase which implements the Reader interface.
+type hashReader struct {
+	db *Database
+}
+
+// newHashReader initializes the hash reader.
+func newHashReader(db *Database) *hashReader {
+	return &hashReader{db: db}
+}
+
+// Node retrieves the trie node with the given node hash.
+// No error will be returned if the node is not found.
+func (reader *hashReader) Node(_ common.Hash, _ []byte, hash common.Hash) (node, error) {
+	return reader.db.EncodedNode(hash), nil
+}
+
+// NodeBlob retrieves the RLP-encoded trie node blob with the given node hash.
+// No error will be returned if the node is not found.
+func (reader *hashReader) NodeBlob(_ common.Hash, _ []byte, hash common.Hash) ([]byte, error) {
+	blob, _ := reader.db.RawNode(hash)
+	return blob, nil
 }
 
 // saveCache saves clean state cache to given directory path
@@ -947,3 +954,21 @@ func (db *Database) SaveCachePeriodically(dir string, interval time.Duration, st
 		}
 	}
 }
+
+// CommitPreimages flushes the dangling preimages to disk. It is meant to be
+// called when closing the blockchain object, so that preimages are persisted
+// to the database.
+func (db *Database) CommitPreimages() error {
+	db.lock.Lock()
+	defer db.lock.Unlock()
+
+	if db.preimages == nil {
+		return nil
+	}
+	return db.preimages.commit(true)
+}
+
+// Scheme returns the node scheme used in the database.
+func (db *Database) Scheme() string {
+	return rawdb.HashScheme
+}
diff --git a/trie/database_test.go b/trie/database_test.go
index ff67402900..42d1d0eedf 100644
--- a/trie/database_test.go
+++ b/trie/database_test.go
@@ -29,14 +29,14 @@ package trie
 import (
 	"testing"
 
-	"github.com/ava-labs/subnet-evm/ethdb/memorydb"
+	"github.com/ava-labs/subnet-evm/core/rawdb"
 	"github.com/ethereum/go-ethereum/common"
 )
 
 // Tests that the trie database returns a missing trie node error if attempting
 // to retrieve the meta root.
 func TestDatabaseMetarootFetch(t *testing.T) {
-	db := NewDatabase(memorydb.New())
+	db := NewDatabase(rawdb.NewMemoryDatabase())
 	if _, err := db.RawNode(common.Hash{}); err == nil {
 		t.Fatalf("metaroot retrieval succeeded")
 	}
diff --git a/trie/encoding_test.go b/trie/encoding_test.go
index e83071bffd..65cc5333c0 100644
--- a/trie/encoding_test.go
+++ b/trie/encoding_test.go
@@ -28,6 +28,7 @@ package trie
 
 import (
 	"bytes"
+	crand "crypto/rand"
 	"encoding/hex"
 	"math/rand"
 	"testing"
@@ -88,17 +89,17 @@ func TestHexKeybytes(t *testing.T) {
 }
 
 func TestHexToCompactInPlace(t *testing.T) {
-	for i, keyS := range []string{
+	for i, key := range []string{
 		"00",
 		"060a040c0f000a090b040803010801010900080d090a0a0d0903000b10",
 		"10",
 	} {
-		hexBytes, _ := hex.DecodeString(keyS)
+		hexBytes, _ := hex.DecodeString(key)
 		exp := hexToCompact(hexBytes)
 		sz := hexToCompactInPlace(hexBytes)
 		got := hexBytes[:sz]
 		if !bytes.Equal(exp, got) {
-			t.Fatalf("test %d: encoding err\ninp %v\ngot %x\nexp %x\n", i, keyS, got, exp)
+			t.Fatalf("test %d: encoding err\ninp %v\ngot %x\nexp %x\n", i, key, got, exp)
 		}
 	}
 }
@@ -107,7 +108,7 @@ func TestHexToCompactInPlaceRandom(t *testing.T) {
 	for i := 0; i < 10000; i++ {
 		l := rand.Intn(128)
 		key := make([]byte, l)
-		rand.Read(key)
+		crand.Read(key)
 		hexBytes := keybytesToHex(key)
 		hexOrig := []byte(string(hexBytes))
 		exp := hexToCompact(hexBytes)
diff --git a/trie/iterator.go b/trie/iterator.go
index 7ca780dc98..783d261d3d 100644
--- a/trie/iterator.go
+++ b/trie/iterator.go
@@ -31,10 +31,17 @@ import (
 	"container/heap"
 	"errors"
 
-	"github.com/ava-labs/subnet-evm/ethdb"
+	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ethereum/go-ethereum/common"
 )
 
+// NodeResolver is used for looking up trie nodes before reaching into the real
+// persistent layer. This is not mandatory, rather is an optimization for cases
+// where trie nodes can be recovered from some external mechanism without reading
+// from disk. In those cases, this resolver allows short circuiting accesses and
+// returning them from memory.
+type NodeResolver func(owner common.Hash, path []byte, hash common.Hash) []byte
+
 // Iterator is a key-value trie iterator that traverses a Trie.
 type Iterator struct {
 	nodeIt NodeIterator
@@ -117,8 +124,8 @@ type NodeIterator interface {
 	// to the value after calling Next.
 	LeafProof() [][]byte
 
-	// AddResolver sets an intermediate database to use for looking up trie nodes
-	// before reaching into the real persistent layer.
+	// AddResolver sets a node resolver to use for looking up trie nodes before
+	// reaching into the real persistent layer.
 	//
 	// This is not required for normal operation, rather is an optimization for
 	// cases where trie nodes can be recovered from some external mechanism without
@@ -128,7 +135,7 @@ type NodeIterator interface {
 	// Before adding a similar mechanism to any other place in Geth, consider
 	// making trie.Database an interface and wrapping at that level. It's a huge
 	// refactor, but it could be worth it if another occurrence arises.
-	AddResolver(ethdb.KeyValueReader)
+	AddResolver(NodeResolver)
 }
 
 // nodeIteratorState represents the iteration state at one particular node of the
@@ -147,7 +154,7 @@ type nodeIterator struct {
 	path  []byte               // Path to the current node
 	err   error                // Failure set in case of an internal error in the iterator
 
-	resolver ethdb.KeyValueReader // Optional intermediate resolver above the disk layer
+	resolver NodeResolver // optional node resolver for avoiding disk hits
 }
 
 // errIteratorEnd is stored in nodeIterator.err when iteration is done.
@@ -164,7 +171,7 @@ func (e seekError) Error() string {
 }
 
 func newNodeIterator(trie *Trie, start []byte) NodeIterator {
-	if trie.Hash() == emptyRoot {
+	if trie.Hash() == types.EmptyRootHash {
 		return &nodeIterator{
 			trie: trie,
 			err:  errIteratorEnd,
@@ -175,7 +182,7 @@ func newNodeIterator(trie *Trie, start []byte) NodeIterator {
 	return it
 }
 
-func (it *nodeIterator) AddResolver(resolver ethdb.KeyValueReader) {
+func (it *nodeIterator) AddResolver(resolver NodeResolver) {
 	it.resolver = resolver
 }
 
@@ -306,7 +313,7 @@ func (it *nodeIterator) seek(prefix []byte) error {
 func (it *nodeIterator) init() (*nodeIteratorState, error) {
 	root := it.trie.Hash()
 	state := &nodeIteratorState{node: it.trie.root, index: -1}
-	if root != emptyRoot {
+	if root != types.EmptyRootHash {
 		state.hash = root
 	}
 	return state, state.resolve(it, nil)
@@ -379,22 +386,32 @@ func (it *nodeIterator) peekSeek(seekKey []byte) (*nodeIteratorState, *int, []by
 
 func (it *nodeIterator) resolveHash(hash hashNode, path []byte) (node, error) {
 	if it.resolver != nil {
-		if blob, err := it.resolver.Get(hash); err == nil && len(blob) > 0 {
+		if blob := it.resolver(it.trie.owner, path, common.BytesToHash(hash)); len(blob) > 0 {
 			if resolved, err := decodeNode(hash, blob); err == nil {
 				return resolved, nil
 			}
 		}
 	}
-	return it.trie.resolveHash(hash, path)
+	// Retrieve the specified node from the underlying node reader.
+	// it.trie.resolveAndTrack is not used since in that function the
+	// loaded blob will be tracked, while it's not required here since
+	// all loaded nodes won't be linked to trie at all and track nodes
+	// may lead to out-of-memory issue.
+	return it.trie.reader.node(path, common.BytesToHash(hash))
 }
 
 func (it *nodeIterator) resolveBlob(hash hashNode, path []byte) ([]byte, error) {
 	if it.resolver != nil {
-		if blob, err := it.resolver.Get(hash); err == nil && len(blob) > 0 {
+		if blob := it.resolver(it.trie.owner, path, common.BytesToHash(hash)); len(blob) > 0 {
 			return blob, nil
 		}
 	}
-	return it.trie.resolveBlob(hash, path)
+	// Retrieve the specified node from the underlying node reader.
+	// it.trie.resolveAndTrack is not used since in that function the
+	// loaded blob will be tracked, while it's not required here since
+	// all loaded nodes won't be linked to trie at all and track nodes
+	// may lead to out-of-memory issue.
+	return it.trie.reader.nodeBlob(path, common.BytesToHash(hash))
 }
 
 func (st *nodeIteratorState) resolve(it *nodeIterator, path []byte) error {
@@ -589,7 +606,7 @@ func (it *differenceIterator) NodeBlob() []byte {
 	return it.b.NodeBlob()
 }
 
-func (it *differenceIterator) AddResolver(resolver ethdb.KeyValueReader) {
+func (it *differenceIterator) AddResolver(resolver NodeResolver) {
 	panic("not implemented")
 }
 
@@ -704,7 +721,7 @@ func (it *unionIterator) NodeBlob() []byte {
 	return (*it.items)[0].NodeBlob()
 }
 
-func (it *unionIterator) AddResolver(resolver ethdb.KeyValueReader) {
+func (it *unionIterator) AddResolver(resolver NodeResolver) {
 	panic("not implemented")
 }
 
diff --git a/trie/iterator_test.go b/trie/iterator_test.go
index 0698cefc38..ad50bf555c 100644
--- a/trie/iterator_test.go
+++ b/trie/iterator_test.go
@@ -70,13 +70,10 @@ func TestIterator(t *testing.T) {
 		all[val.k] = val.v
 		trie.Update([]byte(val.k), []byte(val.v))
 	}
-	root, nodes, err := trie.Commit(false)
-	if err != nil {
-		t.Fatalf("Failed to commit trie %v", err)
-	}
+	root, nodes := trie.Commit(false)
 	db.Update(NewWithNodeSet(nodes))
 
-	trie, _ = New(common.Hash{}, root, db)
+	trie, _ = New(TrieID(root), db)
 	found := make(map[string]string)
 	it := NewIterator(trie.NodeIterator(nil))
 	for it.Next() {
@@ -235,18 +232,18 @@ func TestDifferenceIterator(t *testing.T) {
 	for _, val := range testdata1 {
 		triea.Update([]byte(val.k), []byte(val.v))
 	}
-	rootA, nodesA, _ := triea.Commit(false)
+	rootA, nodesA := triea.Commit(false)
 	dba.Update(NewWithNodeSet(nodesA))
-	triea, _ = New(common.Hash{}, rootA, dba)
+	triea, _ = New(TrieID(rootA), dba)
 
 	dbb := NewDatabase(rawdb.NewMemoryDatabase())
 	trieb := NewEmpty(dbb)
 	for _, val := range testdata2 {
 		trieb.Update([]byte(val.k), []byte(val.v))
 	}
-	rootB, nodesB, _ := trieb.Commit(false)
+	rootB, nodesB := trieb.Commit(false)
 	dbb.Update(NewWithNodeSet(nodesB))
-	trieb, _ = New(common.Hash{}, rootB, dbb)
+	trieb, _ = New(TrieID(rootB), dbb)
 
 	found := make(map[string]string)
 	di, _ := NewDifferenceIterator(triea.NodeIterator(nil), trieb.NodeIterator(nil))
@@ -277,18 +274,18 @@ func TestUnionIterator(t *testing.T) {
 	for _, val := range testdata1 {
 		triea.Update([]byte(val.k), []byte(val.v))
 	}
-	rootA, nodesA, _ := triea.Commit(false)
+	rootA, nodesA := triea.Commit(false)
 	dba.Update(NewWithNodeSet(nodesA))
-	triea, _ = New(common.Hash{}, rootA, dba)
+	triea, _ = New(TrieID(rootA), dba)
 
 	dbb := NewDatabase(rawdb.NewMemoryDatabase())
 	trieb := NewEmpty(dbb)
 	for _, val := range testdata2 {
 		trieb.Update([]byte(val.k), []byte(val.v))
 	}
-	rootB, nodesB, _ := trieb.Commit(false)
+	rootB, nodesB := trieb.Commit(false)
 	dbb.Update(NewWithNodeSet(nodesB))
-	trieb, _ = New(common.Hash{}, rootB, dbb)
+	trieb, _ = New(TrieID(rootB), dbb)
 
 	di, _ := NewUnionIterator([]NodeIterator{triea.NodeIterator(nil), trieb.NodeIterator(nil)})
 	it := NewIterator(di)
@@ -337,17 +334,17 @@ func TestIteratorContinueAfterErrorDisk(t *testing.T)    { testIteratorContinueA
 func TestIteratorContinueAfterErrorMemonly(t *testing.T) { testIteratorContinueAfterError(t, true) }
 
 func testIteratorContinueAfterError(t *testing.T, memonly bool) {
-	diskdb := memorydb.New()
+	diskdb := rawdb.NewMemoryDatabase()
 	triedb := NewDatabase(diskdb)
 
 	tr := NewEmpty(triedb)
 	for _, val := range testdata1 {
 		tr.Update([]byte(val.k), []byte(val.v))
 	}
-	_, nodes, _ := tr.Commit(false)
+	_, nodes := tr.Commit(false)
 	triedb.Update(NewWithNodeSet(nodes))
 	if !memonly {
-		triedb.Commit(tr.Hash(), true, nil)
+		triedb.Commit(tr.Hash(), false)
 	}
 	wantNodeCount := checkIteratorNoDups(t, tr.NodeIterator(nil), nil)
 
@@ -366,7 +363,7 @@ func testIteratorContinueAfterError(t *testing.T, memonly bool) {
 	}
 	for i := 0; i < 20; i++ {
 		// Create trie that will load all nodes from DB.
-		tr, _ := New(common.Hash{}, tr.Hash(), triedb)
+		tr, _ := New(TrieID(tr.Hash()), triedb)
 
 		// Remove a random node from the database. It can't be the root node
 		// because that one is already loaded.
@@ -429,17 +426,17 @@ func TestIteratorContinueAfterSeekErrorMemonly(t *testing.T) {
 
 func testIteratorContinueAfterSeekError(t *testing.T, memonly bool) {
 	// Commit test trie to db, then remove the node containing "bars".
-	diskdb := memorydb.New()
+	diskdb := rawdb.NewMemoryDatabase()
 	triedb := NewDatabase(diskdb)
 
 	ctr := NewEmpty(triedb)
 	for _, val := range testdata1 {
 		ctr.Update([]byte(val.k), []byte(val.v))
 	}
-	root, nodes, _ := ctr.Commit(false)
+	root, nodes := ctr.Commit(false)
 	triedb.Update(NewWithNodeSet(nodes))
 	if !memonly {
-		triedb.Commit(root, true, nil)
+		triedb.Commit(root, false)
 	}
 	barNodeHash := common.HexToHash("05041990364eb72fcb1127652ce40d8bab765f2bfe53225b1170d276cc101c2e")
 	var (
@@ -455,7 +452,7 @@ func testIteratorContinueAfterSeekError(t *testing.T, memonly bool) {
 	}
 	// Create a new iterator that seeks to "bars". Seeking can't proceed because
 	// the node is missing.
-	tr, _ := New(common.Hash{}, root, triedb)
+	tr, _ := New(TrieID(root), triedb)
 	it := tr.NodeIterator([]byte("bars"))
 	missing, ok := it.Error().(*MissingNodeError)
 	if !ok {
@@ -539,8 +536,8 @@ func (l *loggingDb) Close() error {
 func makeLargeTestTrie() (*Database, *StateTrie, *loggingDb) {
 	// Create an empty trie
 	logDb := &loggingDb{0, memorydb.New()}
-	triedb := NewDatabase(logDb)
-	trie, _ := NewStateTrie(common.Hash{}, common.Hash{}, triedb)
+	triedb := NewDatabase(rawdb.NewDatabase(logDb))
+	trie, _ := NewStateTrie(TrieID(common.Hash{}), triedb)
 
 	// Fill it with some arbitrary data
 	for i := 0; i < 10000; i++ {
@@ -552,7 +549,7 @@ func makeLargeTestTrie() (*Database, *StateTrie, *loggingDb) {
 		val = crypto.Keccak256(val)
 		trie.Update(key, val)
 	}
-	_, nodes, _ := trie.Commit(false)
+	_, nodes := trie.Commit(false)
 	triedb.Update(NewWithNodeSet(nodes))
 	// Return the generated trie
 	return triedb, trie, logDb
@@ -574,7 +571,7 @@ func TestNodeIteratorLargeTrie(t *testing.T) {
 
 func TestIteratorNodeBlob(t *testing.T) {
 	var (
-		db     = memorydb.New()
+		db     = rawdb.NewMemoryDatabase()
 		triedb = NewDatabase(db)
 		trie   = NewEmpty(triedb)
 	)
@@ -592,7 +589,7 @@ func TestIteratorNodeBlob(t *testing.T) {
 		all[val.k] = val.v
 		trie.Update([]byte(val.k), []byte(val.v))
 	}
-	_, nodes, _ := trie.Commit(false)
+	_, nodes := trie.Commit(false)
 	triedb.Update(NewWithNodeSet(nodes))
 	triedb.Cap(0)
 
diff --git a/trie/nodeset.go b/trie/nodeset.go
index 421ad13435..c920557625 100644
--- a/trie/nodeset.go
+++ b/trie/nodeset.go
@@ -28,6 +28,8 @@ package trie
 
 import (
 	"fmt"
+	"reflect"
+	"strings"
 
 	"github.com/ethereum/go-ethereum/common"
 )
@@ -35,18 +37,77 @@ import (
 // memoryNode is all the information we know about a single cached trie node
 // in the memory.
 type memoryNode struct {
-	hash common.Hash // Node hash, computed by hashing rlp value
-	size uint16      // Byte size of the useful cached data
-	node node        // Cached collapsed trie node, or raw rlp data
+	hash common.Hash // Node hash, computed by hashing rlp value, empty for deleted nodes
+	size uint16      // Byte size of the useful cached data, 0 for deleted nodes
+	node node        // Cached collapsed trie node, or raw rlp data, nil for deleted nodes
+}
+
+// memoryNodeSize is the raw size of a memoryNode data structure without any
+// node data included. It's an approximate size, but should be a lot better
+// than not counting them.
+// nolint:unused
+var memoryNodeSize = int(reflect.TypeOf(memoryNode{}).Size())
+
+// memorySize returns the total memory size used by this node.
+// nolint:unused
+func (n *memoryNode) memorySize(key int) int {
+	return int(n.size) + memoryNodeSize + key
+}
+
+// rlp returns the raw rlp encoded blob of the cached trie node, either directly
+// from the cache, or by regenerating it from the collapsed node.
+// nolint:unused
+func (n *memoryNode) rlp() []byte {
+	if node, ok := n.node.(rawNode); ok {
+		return node
+	}
+	return nodeToBytes(n.node)
+}
+
+// obj returns the decoded and expanded trie node, either directly from the cache,
+// or by regenerating it from the rlp encoded blob.
+// nolint:unused
+func (n *memoryNode) obj() node {
+	if node, ok := n.node.(rawNode); ok {
+		return mustDecodeNode(n.hash[:], node)
+	}
+	return expandNode(n.hash[:], n.node)
+}
+
+// nodeWithPrev wraps the memoryNode with the previous node value.
+type nodeWithPrev struct {
+	*memoryNode
+	prev []byte // RLP-encoded previous value, nil means it's non-existent
+}
+
+// unwrap returns the internal memoryNode object.
+// nolint:unused
+func (n *nodeWithPrev) unwrap() *memoryNode {
+	return n.memoryNode
+}
+
+// memorySize returns the total memory size used by this node. It overloads
+// the function in memoryNode by counting the size of previous value as well.
+// nolint: unused
+func (n *nodeWithPrev) memorySize(key int) int {
+	return n.memoryNode.memorySize(key) + len(n.prev)
+}
+
+// nodesWithOrder represents a collection of dirty nodes which includes
+// newly-inserted and updated nodes. The modification order of all nodes
+// is represented by order list.
+type nodesWithOrder struct {
+	order []string                 // the path list of dirty nodes, sort by insertion order
+	nodes map[string]*nodeWithPrev // the map of dirty nodes, keyed by node path
 }
 
 // NodeSet contains all dirty nodes collected during the commit operation.
 // Each node is keyed by path. It's not thread-safe to use.
 type NodeSet struct {
-	owner  common.Hash            // the identifier of the trie
-	paths  []string               // the path of dirty nodes, sort by insertion order
-	nodes  map[string]*memoryNode // the map of dirty nodes, keyed by node path
-	leaves []*leaf                // the list of dirty leaves
+	owner   common.Hash       // the identifier of the trie
+	updates *nodesWithOrder   // the set of updated nodes(newly inserted, updated)
+	deletes map[string][]byte // the map of deleted nodes, keyed by node
+	leaves  []*leaf           // the list of dirty leaves
 }
 
 // NewNodeSet initializes an empty node set to be used for tracking dirty nodes
@@ -55,24 +116,80 @@ type NodeSet struct {
 func NewNodeSet(owner common.Hash) *NodeSet {
 	return &NodeSet{
 		owner: owner,
-		nodes: make(map[string]*memoryNode),
+		updates: &nodesWithOrder{
+			nodes: make(map[string]*nodeWithPrev),
+		},
+		deletes: make(map[string][]byte),
+	}
+}
+
+/*
+// NewNodeSetWithDeletion initializes the nodeset with provided deletion set.
+func NewNodeSetWithDeletion(owner common.Hash, paths [][]byte, prev [][]byte) *NodeSet {
+	set := NewNodeSet(owner)
+	for i, path := range paths {
+		set.markDeleted(path, prev[i])
 	}
+	return set
 }
+*/
 
-// add caches node with provided path and node object.
-func (set *NodeSet) add(path string, node *memoryNode) {
-	set.paths = append(set.paths, path)
-	set.nodes[path] = node
+// markUpdated marks the node as dirty(newly-inserted or updated) with provided
+// node path, node object along with its previous value.
+func (set *NodeSet) markUpdated(path []byte, node *memoryNode, prev []byte) {
+	set.updates.order = append(set.updates.order, string(path))
+	set.updates.nodes[string(path)] = &nodeWithPrev{
+		memoryNode: node,
+		prev:       prev,
+	}
+}
+
+// markDeleted marks the node as deleted with provided path and previous value.
+func (set *NodeSet) markDeleted(path []byte, prev []byte) {
+	set.deletes[string(path)] = prev
 }
 
-// addLeaf caches the provided leaf node.
+// addLeaf collects the provided leaf node into set.
 func (set *NodeSet) addLeaf(node *leaf) {
 	set.leaves = append(set.leaves, node)
 }
 
-// Len returns the number of dirty nodes contained in the set.
-func (set *NodeSet) Len() int {
-	return len(set.nodes)
+// Size returns the number of updated and deleted nodes contained in the set.
+func (set *NodeSet) Size() (int, int) {
+	return len(set.updates.order), len(set.deletes)
+}
+
+// Hashes returns the hashes of all updated nodes. TODO(rjl493456442) how can
+// we get rid of it?
+func (set *NodeSet) Hashes() []common.Hash {
+	var ret []common.Hash
+	for _, node := range set.updates.nodes {
+		ret = append(ret, node.hash)
+	}
+	return ret
+}
+
+// Summary returns a string-representation of the NodeSet.
+func (set *NodeSet) Summary() string {
+	var out = new(strings.Builder)
+	fmt.Fprintf(out, "nodeset owner: %v\n", set.owner)
+	if set.updates != nil {
+		for _, key := range set.updates.order {
+			updated := set.updates.nodes[key]
+			if updated.prev != nil {
+				fmt.Fprintf(out, "  [*]: %x -> %v prev: %x\n", key, updated.hash, updated.prev)
+			} else {
+				fmt.Fprintf(out, "  [+]: %x -> %v\n", key, updated.hash)
+			}
+		}
+	}
+	for k, n := range set.deletes {
+		fmt.Fprintf(out, "  [-]: %x -> %x\n", k, n)
+	}
+	for _, n := range set.leaves {
+		fmt.Fprintf(out, "[leaf]: %v\n", n)
+	}
+	return out.String()
 }
 
 // MergedNodeSet represents a merged dirty node set for a group of tries.
diff --git a/trie/proof.go b/trie/proof.go
index a788b76a1d..7d0807bff5 100644
--- a/trie/proof.go
+++ b/trie/proof.go
@@ -31,7 +31,6 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/ava-labs/subnet-evm/core/rawdb"
 	"github.com/ava-labs/subnet-evm/ethdb"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/log"
@@ -70,10 +69,15 @@ func (t *Trie) Prove(key []byte, fromLevel uint, proofDb ethdb.KeyValueWriter) e
 			key = key[1:]
 			nodes = append(nodes, n)
 		case hashNode:
+			// Retrieve the specified node from the underlying node reader.
+			// trie.resolveAndTrack is not used since in that function the
+			// loaded blob will be tracked, while it's not required here since
+			// all loaded nodes won't be linked to trie at all and track nodes
+			// may lead to out-of-memory issue.
 			var err error
-			tn, err = t.resolveHash(n, prefix)
+			tn, err = t.reader.node(prefix, common.BytesToHash(n))
 			if err != nil {
-				log.Error(fmt.Sprintf("Unhandled trie error: %v", err))
+				log.Error("Unhandled trie error in Trie.Prove", "err", err)
 				return err
 			}
 		default:
@@ -379,7 +383,7 @@ func unset(parent node, child node, key []byte, pos int, removeLeft bool) error
 			if removeLeft {
 				if bytes.Compare(cld.Key, key[pos:]) < 0 {
 					// The key of fork shortnode is less than the path
-					// (it belongs to the range), unset the entrie
+					// (it belongs to the range), unset the entire
 					// branch. The parent must be a fullnode.
 					fn := parent.(*fullNode)
 					fn.Children[key[pos-1]] = nil
@@ -569,7 +573,7 @@ func VerifyRangeProof(rootHash common.Hash, firstKey []byte, lastKey []byte, key
 	}
 	// Rebuild the trie with the leaf stream, the shape of trie
 	// should be same with the original one.
-	tr := &Trie{root: root, db: NewDatabase(rawdb.NewMemoryDatabase())}
+	tr := &Trie{root: root, reader: newEmptyReader()}
 	if empty {
 		tr.root = nil
 	}
diff --git a/trie/proof_test.go b/trie/proof_test.go
index ae62e2df2e..159fc47186 100644
--- a/trie/proof_test.go
+++ b/trie/proof_test.go
@@ -33,7 +33,6 @@ import (
 	mrand "math/rand"
 	"sort"
 	"testing"
-	"time"
 
 	"github.com/ava-labs/subnet-evm/core/rawdb"
 	"github.com/ava-labs/subnet-evm/ethdb/memorydb"
@@ -41,10 +40,6 @@ import (
 	"github.com/ethereum/go-ethereum/crypto"
 )
 
-func init() {
-	mrand.Seed(time.Now().Unix())
-}
-
 // makeProvers creates Merkle trie provers based on different implementations to
 // test all variations.
 func makeProvers(trie *Trie) []func(key []byte) *memorydb.Database {
diff --git a/trie/secure_trie.go b/trie/secure_trie.go
index 24827f3624..d24ebaea27 100644
--- a/trie/secure_trie.go
+++ b/trie/secure_trie.go
@@ -27,8 +27,6 @@
 package trie
 
 import (
-	"fmt"
-
 	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/log"
@@ -41,18 +39,23 @@ type SecureTrie = StateTrie
 
 // NewSecure creates a new StateTrie.
 // Deprecated: use NewStateTrie.
-func NewSecure(owner common.Hash, root common.Hash, db *Database) (*SecureTrie, error) {
-	return NewStateTrie(owner, root, db)
+func NewSecure(stateRoot common.Hash, owner common.Hash, root common.Hash, db *Database) (*SecureTrie, error) {
+	id := &ID{
+		StateRoot: stateRoot,
+		Owner:     owner,
+		Root:      root,
+	}
+	return NewStateTrie(id, db)
 }
 
-// StateTrie wraps a trie with key hashing. In a secure trie, all
+// StateTrie wraps a trie with key hashing. In a stateTrie trie, all
 // access operations hash the key using keccak256. This prevents
 // calling code from creating long chains of nodes that
 // increase the access time.
 //
 // Contrary to a regular trie, a StateTrie can only be created with
 // New and must have an attached database. The database also stores
-// the preimage of each key.
+// the preimage of each key if preimage recording is enabled.
 //
 // StateTrie is not safe for concurrent use.
 type StateTrie struct {
@@ -63,22 +66,16 @@ type StateTrie struct {
 	secKeyCacheOwner *StateTrie // Pointer to self, replace the key cache on mismatch
 }
 
-// NewStateTrie creates a trie with an existing root node from a backing database
-// and optional intermediate in-memory node pool.
+// NewStateTrie creates a trie with an existing root node from a backing database.
 //
 // If root is the zero hash or the sha3 hash of an empty string, the
 // trie is initially empty. Otherwise, New will panic if db is nil
 // and returns MissingNodeError if the root node cannot be found.
-//
-// Accessing the trie loads nodes from the database or node pool on demand.
-// Loaded nodes are kept around until their 'cache generation' expires.
-// A new cache generation is created by each call to Commit.
-// cachelimit sets the number of past cache generations to keep.
-func NewStateTrie(owner common.Hash, root common.Hash, db *Database) (*StateTrie, error) {
+func NewStateTrie(id *ID, db *Database) (*StateTrie, error) {
 	if db == nil {
-		panic("trie.NewSecure called without a database")
+		panic("trie.NewStateTrie called without a database")
 	}
-	trie, err := New(owner, root, db)
+	trie, err := New(id, db)
 	if err != nil {
 		return nil, err
 	}
@@ -90,70 +87,53 @@ func NewStateTrie(owner common.Hash, root common.Hash, db *Database) (*StateTrie
 func (t *StateTrie) Get(key []byte) []byte {
 	res, err := t.TryGet(key)
 	if err != nil {
-		log.Error(fmt.Sprintf("Unhandled trie error: %v", err))
+		log.Error("Unhandled trie error in StateTrie.Get", "err", err)
 	}
 	return res
 }
 
 // TryGet returns the value for key stored in the trie.
 // The value bytes must not be modified by the caller.
-// If a node was not found in the database, a MissingNodeError is returned.
+// If the specified node is not in the trie, nil will be returned.
+// If a trie node is not found in the database, a MissingNodeError is returned.
 func (t *StateTrie) TryGet(key []byte) ([]byte, error) {
 	return t.trie.TryGet(t.hashKey(key))
 }
 
-func (t *StateTrie) TryGetAccount(key []byte) (*types.StateAccount, error) {
-	var ret types.StateAccount
-	res, err := t.trie.TryGet(t.hashKey(key))
-	if err != nil {
-		log.Error(fmt.Sprintf("Unhandled trie error: %v", err))
-		return &ret, err
-	}
-	if res == nil {
-		return nil, nil
+// TryGetAccount attempts to retrieve an account with provided account address.
+// If the specified account is not in the trie, nil will be returned.
+// If a trie node is not found in the database, a MissingNodeError is returned.
+func (t *StateTrie) TryGetAccount(address common.Address) (*types.StateAccount, error) {
+	res, err := t.trie.TryGet(t.hashKey(address.Bytes()))
+	if res == nil || err != nil {
+		return nil, err
 	}
-	err = rlp.DecodeBytes(res, &ret)
-	return &ret, err
+	ret := new(types.StateAccount)
+	err = rlp.DecodeBytes(res, ret)
+	return ret, err
 }
 
-// TryGetAccountWithPreHashedKey does the same thing as TryGetAccount, however
-// it expects a key that is already hashed. This constitutes an abstraction leak,
-// since the client code needs to know the key format.
-func (t *StateTrie) TryGetAccountWithPreHashedKey(key []byte) (*types.StateAccount, error) {
-	var ret types.StateAccount
-	res, err := t.trie.TryGet(key)
-	if err != nil {
-		log.Error(fmt.Sprintf("Unhandled trie error: %v", err))
-		return &ret, err
-	}
-	if res == nil {
-		return nil, nil
+// TryGetAccountByHash does the same thing as TryGetAccount, however
+// it expects an account hash that is the hash of address. This constitutes an
+// abstraction leak, since the client code needs to know the key format.
+func (t *StateTrie) TryGetAccountByHash(addrHash common.Hash) (*types.StateAccount, error) {
+	res, err := t.trie.TryGet(addrHash.Bytes())
+	if res == nil || err != nil {
+		return nil, err
 	}
-	err = rlp.DecodeBytes(res, &ret)
-	return &ret, err
+	ret := new(types.StateAccount)
+	err = rlp.DecodeBytes(res, ret)
+	return ret, err
 }
 
 // TryGetNode attempts to retrieve a trie node by compact-encoded path. It is not
 // possible to use keybyte-encoding as the path might contain odd nibbles.
+// If the specified trie node is not in the trie, nil will be returned.
+// If a trie node is not found in the database, a MissingNodeError is returned.
 func (t *StateTrie) TryGetNode(path []byte) ([]byte, int, error) {
 	return t.trie.TryGetNode(path)
 }
 
-// TryUpdateAccount account will abstract the write of an account to the
-// secure trie.
-func (t *StateTrie) TryUpdateAccount(key []byte, acc *types.StateAccount) error {
-	hk := t.hashKey(key)
-	data, err := rlp.EncodeToBytes(acc)
-	if err != nil {
-		return err
-	}
-	if err := t.trie.TryUpdate(hk, data); err != nil {
-		return err
-	}
-	t.getSecKeyCache()[string(hk)] = common.CopyBytes(key)
-	return nil
-}
-
 // Update associates key with value in the trie. Subsequent calls to
 // Get will return value. If value has length zero, any existing value
 // is deleted from the trie and calls to Get will return nil.
@@ -162,7 +142,7 @@ func (t *StateTrie) TryUpdateAccount(key []byte, acc *types.StateAccount) error
 // stored in the trie.
 func (t *StateTrie) Update(key, value []byte) {
 	if err := t.TryUpdate(key, value); err != nil {
-		log.Error(fmt.Sprintf("Unhandled trie error: %v", err))
+		log.Error("Unhandled trie error in StateTrie.Update", "err", err)
 	}
 }
 
@@ -173,7 +153,7 @@ func (t *StateTrie) Update(key, value []byte) {
 // The value bytes must not be modified by the caller while they are
 // stored in the trie.
 //
-// If a node was not found in the database, a MissingNodeError is returned.
+// If a node is not found in the database, a MissingNodeError is returned.
 func (t *StateTrie) TryUpdate(key, value []byte) error {
 	hk := t.hashKey(key)
 	err := t.trie.TryUpdate(hk, value)
@@ -184,15 +164,31 @@ func (t *StateTrie) TryUpdate(key, value []byte) error {
 	return nil
 }
 
+// TryUpdateAccount account will abstract the write of an account to the
+// secure trie.
+func (t *StateTrie) TryUpdateAccount(address common.Address, acc *types.StateAccount) error {
+	hk := t.hashKey(address.Bytes())
+	data, err := rlp.EncodeToBytes(acc)
+	if err != nil {
+		return err
+	}
+	if err := t.trie.TryUpdate(hk, data); err != nil {
+		return err
+	}
+	t.getSecKeyCache()[string(hk)] = address.Bytes()
+	return nil
+}
+
 // Delete removes any existing value for key from the trie.
 func (t *StateTrie) Delete(key []byte) {
 	if err := t.TryDelete(key); err != nil {
-		log.Error(fmt.Sprintf("Unhandled trie error: %v", err))
+		log.Error("Unhandled trie error in StateTrie.Delete", "err", err)
 	}
 }
 
 // TryDelete removes any existing value for key from the trie.
-// If a node was not found in the database, a MissingNodeError is returned.
+// If the specified trie node is not in the trie, nothing will be changed.
+// If a node is not found in the database, a MissingNodeError is returned.
 func (t *StateTrie) TryDelete(key []byte) error {
 	hk := t.hashKey(key)
 	delete(t.getSecKeyCache(), string(hk))
@@ -200,8 +196,8 @@ func (t *StateTrie) TryDelete(key []byte) error {
 }
 
 // TryDeleteAccount abstracts an account deletion from the trie.
-func (t *StateTrie) TryDeleteAccount(key []byte) error {
-	hk := t.hashKey(key)
+func (t *StateTrie) TryDeleteAccount(address common.Address) error {
+	hk := t.hashKey(address.Bytes())
 	delete(t.getSecKeyCache(), string(hk))
 	return t.trie.TryDelete(hk)
 }
@@ -218,14 +214,14 @@ func (t *StateTrie) GetKey(shaKey []byte) []byte {
 	return t.preimages.preimage(common.BytesToHash(shaKey))
 }
 
-// Commit collects all dirty nodes in the trie and replace them with the
-// corresponding node hash. All collected nodes(including dirty leaves if
+// Commit collects all dirty nodes in the trie and replaces them with the
+// corresponding node hash. All collected nodes (including dirty leaves if
 // collectLeaf is true) will be encapsulated into a nodeset for return.
-// The returned nodeset can be nil if the trie is clean(nothing to commit).
+// The returned nodeset can be nil if the trie is clean (nothing to commit).
 // All cached preimages will be also flushed if preimages recording is enabled.
 // Once the trie is committed, it's not usable anymore. A new trie must
 // be created with new root and updated trie database for following usage
-func (t *StateTrie) Commit(collectLeaf bool) (common.Hash, *NodeSet, error) {
+func (t *StateTrie) Commit(collectLeaf bool) (common.Hash, *NodeSet) {
 	// Write all the pre-images to the actual disk database
 	if len(t.getSecKeyCache()) > 0 {
 		if t.preimages != nil {
@@ -237,7 +233,7 @@ func (t *StateTrie) Commit(collectLeaf bool) (common.Hash, *NodeSet, error) {
 		}
 		t.secKeyCache = make(map[string][]byte)
 	}
-	// Commit the trie to its intermediate node database
+	// Commit the trie and return its modified nodeset.
 	return t.trie.Commit(collectLeaf)
 }
 
diff --git a/trie/secure_trie_test.go b/trie/secure_trie_test.go
index 1029a96eeb..ae5612cfcd 100644
--- a/trie/secure_trie_test.go
+++ b/trie/secure_trie_test.go
@@ -33,21 +33,21 @@ import (
 	"sync"
 	"testing"
 
-	"github.com/ava-labs/subnet-evm/ethdb/memorydb"
+	"github.com/ava-labs/subnet-evm/core/rawdb"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
 )
 
 func newEmptySecure() *StateTrie {
-	trie, _ := NewStateTrie(common.Hash{}, common.Hash{}, NewDatabase(memorydb.New()))
+	trie, _ := NewStateTrie(TrieID(common.Hash{}), NewDatabase(rawdb.NewMemoryDatabase()))
 	return trie
 }
 
 // makeTestStateTrie creates a large enough secure trie for testing.
 func makeTestStateTrie() (*Database, *StateTrie, map[string][]byte) {
 	// Create an empty trie
-	triedb := NewDatabase(memorydb.New())
-	trie, _ := NewStateTrie(common.Hash{}, common.Hash{}, triedb)
+	triedb := NewDatabase(rawdb.NewMemoryDatabase())
+	trie, _ := NewStateTrie(TrieID(common.Hash{}), triedb)
 
 	// Fill it with some arbitrary data
 	content := make(map[string][]byte)
@@ -68,15 +68,12 @@ func makeTestStateTrie() (*Database, *StateTrie, map[string][]byte) {
 			trie.Update(key, val)
 		}
 	}
-	root, nodes, err := trie.Commit(false)
-	if err != nil {
-		panic(fmt.Errorf("failed to commit trie %v", err))
-	}
+	root, nodes := trie.Commit(false)
 	if err := triedb.Update(NewWithNodeSet(nodes)); err != nil {
 		panic(fmt.Errorf("failed to commit db %v", err))
 	}
 	// Re-create the trie based on the new state
-	trie, _ = NewSecure(common.Hash{}, root, triedb)
+	trie, _ = NewStateTrie(TrieID(root), triedb)
 	return triedb, trie, content
 }
 
@@ -131,7 +128,7 @@ func TestStateTrieConcurrency(t *testing.T) {
 	for i := 0; i < threads; i++ {
 		tries[i] = trie.Copy()
 	}
-	// Start a batch of goroutines interactng with the trie
+	// Start a batch of goroutines interacting with the trie
 	pend := new(sync.WaitGroup)
 	pend.Add(threads)
 	for i := 0; i < threads; i++ {
diff --git a/trie/stacktrie.go b/trie/stacktrie.go
index a95a49ccda..bf387696c4 100644
--- a/trie/stacktrie.go
+++ b/trie/stacktrie.go
@@ -31,11 +31,10 @@ import (
 	"bytes"
 	"encoding/gob"
 	"errors"
-	"fmt"
 	"io"
 	"sync"
 
-	"github.com/ava-labs/subnet-evm/ethdb"
+	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/log"
 )
@@ -48,10 +47,14 @@ var stPool = sync.Pool{
 	},
 }
 
-func stackTrieFromPool(db ethdb.KeyValueWriter, owner common.Hash) *StackTrie {
+// NodeWriteFunc is used to provide all information of a dirty node for committing
+// so that callers can flush nodes into database with desired scheme.
+type NodeWriteFunc = func(owner common.Hash, path []byte, hash common.Hash, blob []byte)
+
+func stackTrieFromPool(writeFn NodeWriteFunc, owner common.Hash) *StackTrie {
 	st := stPool.Get().(*StackTrie)
-	st.db = db
 	st.owner = owner
+	st.writeFn = writeFn
 	return st
 }
 
@@ -64,41 +67,41 @@ func returnToPool(st *StackTrie) {
 // in order. Once it determines that a subtree will no longer be inserted
 // into, it will hash it and free up the memory it uses.
 type StackTrie struct {
-	owner    common.Hash          // the owner of the trie
-	nodeType uint8                // node type (as in branch, ext, leaf)
-	val      []byte               // value contained by this node if it's a leaf
-	key      []byte               // key chunk covered by this (leaf|ext) node
-	children [16]*StackTrie       // list of children (for branch and exts)
-	db       ethdb.KeyValueWriter // Pointer to the commit db, can be nil
+	owner    common.Hash    // the owner of the trie
+	nodeType uint8          // node type (as in branch, ext, leaf)
+	val      []byte         // value contained by this node if it's a leaf
+	key      []byte         // key chunk covered by this (leaf|ext) node
+	children [16]*StackTrie // list of children (for branch and exts)
+	writeFn  NodeWriteFunc  // function for committing nodes, can be nil
 }
 
 // NewStackTrie allocates and initializes an empty trie.
-func NewStackTrie(db ethdb.KeyValueWriter) *StackTrie {
+func NewStackTrie(writeFn NodeWriteFunc) *StackTrie {
 	return &StackTrie{
 		nodeType: emptyNode,
-		db:       db,
+		writeFn:  writeFn,
 	}
 }
 
 // NewStackTrieWithOwner allocates and initializes an empty trie, but with
 // the additional owner field.
-func NewStackTrieWithOwner(db ethdb.KeyValueWriter, owner common.Hash) *StackTrie {
+func NewStackTrieWithOwner(writeFn NodeWriteFunc, owner common.Hash) *StackTrie {
 	return &StackTrie{
 		owner:    owner,
 		nodeType: emptyNode,
-		db:       db,
+		writeFn:  writeFn,
 	}
 }
 
 // NewFromBinary initialises a serialized stacktrie with the given db.
-func NewFromBinary(data []byte, db ethdb.KeyValueWriter) (*StackTrie, error) {
+func NewFromBinary(data []byte, writeFn NodeWriteFunc) (*StackTrie, error) {
 	var st StackTrie
 	if err := st.UnmarshalBinary(data); err != nil {
 		return nil, err
 	}
 	// If a database is used, we need to recursively add it to every child
-	if db != nil {
-		st.setDb(db)
+	if writeFn != nil {
+		st.setWriter(writeFn)
 	}
 	return &st, nil
 }
@@ -175,25 +178,25 @@ func (st *StackTrie) unmarshalBinary(r io.Reader) error {
 	return nil
 }
 
-func (st *StackTrie) setDb(db ethdb.KeyValueWriter) {
-	st.db = db
+func (st *StackTrie) setWriter(writeFn NodeWriteFunc) {
+	st.writeFn = writeFn
 	for _, child := range st.children {
 		if child != nil {
-			child.setDb(db)
+			child.setWriter(writeFn)
 		}
 	}
 }
 
-func newLeaf(owner common.Hash, key, val []byte, db ethdb.KeyValueWriter) *StackTrie {
-	st := stackTrieFromPool(db, owner)
+func newLeaf(owner common.Hash, key, val []byte, writeFn NodeWriteFunc) *StackTrie {
+	st := stackTrieFromPool(writeFn, owner)
 	st.nodeType = leafNode
 	st.key = append(st.key, key...)
 	st.val = val
 	return st
 }
 
-func newExt(owner common.Hash, key []byte, child *StackTrie, db ethdb.KeyValueWriter) *StackTrie {
-	st := stackTrieFromPool(db, owner)
+func newExt(owner common.Hash, key []byte, child *StackTrie, writeFn NodeWriteFunc) *StackTrie {
+	st := stackTrieFromPool(writeFn, owner)
 	st.nodeType = extNode
 	st.key = append(st.key, key...)
 	st.children[0] = child
@@ -215,19 +218,19 @@ func (st *StackTrie) TryUpdate(key, value []byte) error {
 	if len(value) == 0 {
 		panic("deletion not supported")
 	}
-	st.insert(k[:len(k)-1], value)
+	st.insert(k[:len(k)-1], value, nil)
 	return nil
 }
 
 func (st *StackTrie) Update(key, value []byte) {
 	if err := st.TryUpdate(key, value); err != nil {
-		log.Error(fmt.Sprintf("Unhandled trie error: %v", err))
+		log.Error("Unhandled trie error in StackTrie.Update", "err", err)
 	}
 }
 
 func (st *StackTrie) Reset() {
 	st.owner = common.Hash{}
-	st.db = nil
+	st.writeFn = nil
 	st.key = st.key[:0]
 	st.val = nil
 	for i := range st.children {
@@ -250,7 +253,7 @@ func (st *StackTrie) getDiffIndex(key []byte) int {
 
 // Helper function to that inserts a (key, value) pair into
 // the trie.
-func (st *StackTrie) insert(key, value []byte) {
+func (st *StackTrie) insert(key, value []byte, prefix []byte) {
 	switch st.nodeType {
 	case branchNode: /* Branch */
 		idx := int(key[0])
@@ -259,7 +262,7 @@ func (st *StackTrie) insert(key, value []byte) {
 		for i := idx - 1; i >= 0; i-- {
 			if st.children[i] != nil {
 				if st.children[i].nodeType != hashedNode {
-					st.children[i].hash()
+					st.children[i].hash(append(prefix, byte(i)))
 				}
 				break
 			}
@@ -267,9 +270,9 @@ func (st *StackTrie) insert(key, value []byte) {
 
 		// Add new child
 		if st.children[idx] == nil {
-			st.children[idx] = newLeaf(st.owner, key[1:], value, st.db)
+			st.children[idx] = newLeaf(st.owner, key[1:], value, st.writeFn)
 		} else {
-			st.children[idx].insert(key[1:], value)
+			st.children[idx].insert(key[1:], value, append(prefix, key[0]))
 		}
 
 	case extNode: /* Ext */
@@ -284,7 +287,7 @@ func (st *StackTrie) insert(key, value []byte) {
 		if diffidx == len(st.key) {
 			// Ext key and key segment are identical, recurse into
 			// the child node.
-			st.children[0].insert(key[diffidx:], value)
+			st.children[0].insert(key[diffidx:], value, append(prefix, key[:diffidx]...))
 			return
 		}
 		// Save the original part. Depending if the break is
@@ -293,14 +296,19 @@ func (st *StackTrie) insert(key, value []byte) {
 		// node directly.
 		var n *StackTrie
 		if diffidx < len(st.key)-1 {
-			n = newExt(st.owner, st.key[diffidx+1:], st.children[0], st.db)
+			// Break on the non-last byte, insert an intermediate
+			// extension. The path prefix of the newly-inserted
+			// extension should also contain the different byte.
+			n = newExt(st.owner, st.key[diffidx+1:], st.children[0], st.writeFn)
+			n.hash(append(prefix, st.key[:diffidx+1]...))
 		} else {
 			// Break on the last byte, no need to insert
-			// an extension node: reuse the current node
+			// an extension node: reuse the current node.
+			// The path prefix of the original part should
+			// still be same.
 			n = st.children[0]
+			n.hash(append(prefix, st.key...))
 		}
-		// Convert to hash
-		n.hash()
 		var p *StackTrie
 		if diffidx == 0 {
 			// the break is on the first byte, so
@@ -313,12 +321,12 @@ func (st *StackTrie) insert(key, value []byte) {
 			// the common prefix is at least one byte
 			// long, insert a new intermediate branch
 			// node.
-			st.children[0] = stackTrieFromPool(st.db, st.owner)
+			st.children[0] = stackTrieFromPool(st.writeFn, st.owner)
 			st.children[0].nodeType = branchNode
 			p = st.children[0]
 		}
 		// Create a leaf for the inserted part
-		o := newLeaf(st.owner, key[diffidx+1:], value, st.db)
+		o := newLeaf(st.owner, key[diffidx+1:], value, st.writeFn)
 
 		// Insert both child leaves where they belong:
 		origIdx := st.key[diffidx]
@@ -354,7 +362,7 @@ func (st *StackTrie) insert(key, value []byte) {
 			// Convert current node into an ext,
 			// and insert a child branch node.
 			st.nodeType = extNode
-			st.children[0] = NewStackTrieWithOwner(st.db, st.owner)
+			st.children[0] = NewStackTrieWithOwner(st.writeFn, st.owner)
 			st.children[0].nodeType = branchNode
 			p = st.children[0]
 		}
@@ -363,11 +371,11 @@ func (st *StackTrie) insert(key, value []byte) {
 		// value and another containing the new value. The child leaf
 		// is hashed directly in order to free up some memory.
 		origIdx := st.key[diffidx]
-		p.children[origIdx] = newLeaf(st.owner, st.key[diffidx+1:], st.val, st.db)
-		p.children[origIdx].hash()
+		p.children[origIdx] = newLeaf(st.owner, st.key[diffidx+1:], st.val, st.writeFn)
+		p.children[origIdx].hash(append(prefix, st.key[:diffidx+1]...))
 
 		newIdx := key[diffidx]
-		p.children[newIdx] = newLeaf(st.owner, key[diffidx+1:], value, st.db)
+		p.children[newIdx] = newLeaf(st.owner, key[diffidx+1:], value, st.writeFn)
 
 		// Finally, cut off the key part that has been passed
 		// over to the children.
@@ -398,14 +406,14 @@ func (st *StackTrie) insert(key, value []byte) {
 //   - And the 'st.type' will be 'hashedNode' AGAIN
 //
 // This method also sets 'st.type' to hashedNode, and clears 'st.key'.
-func (st *StackTrie) hash() {
+func (st *StackTrie) hash(path []byte) {
 	h := newHasher(false)
 	defer returnHasherToPool(h)
 
-	st.hashRec(h)
+	st.hashRec(h, path)
 }
 
-func (st *StackTrie) hashRec(hasher *hasher) {
+func (st *StackTrie) hashRec(hasher *hasher, path []byte) {
 	// The switch below sets this to the RLP-encoding of this node.
 	var encodedNode []byte
 
@@ -414,7 +422,7 @@ func (st *StackTrie) hashRec(hasher *hasher) {
 		return
 
 	case emptyNode:
-		st.val = emptyRoot.Bytes()
+		st.val = types.EmptyRootHash.Bytes()
 		st.key = st.key[:0]
 		st.nodeType = hashedNode
 		return
@@ -426,8 +434,7 @@ func (st *StackTrie) hashRec(hasher *hasher) {
 				nodes[i] = nilValueNode
 				continue
 			}
-
-			child.hashRec(hasher)
+			child.hashRec(hasher, append(path, byte(i)))
 			if len(child.val) < 32 {
 				nodes[i] = rawNode(child.val)
 			} else {
@@ -443,10 +450,9 @@ func (st *StackTrie) hashRec(hasher *hasher) {
 		encodedNode = hasher.encodedBytes()
 
 	case extNode:
-		st.children[0].hashRec(hasher)
+		st.children[0].hashRec(hasher, append(path, st.key...))
 
-		sz := hexToCompactInPlace(st.key)
-		n := rawShortNode{Key: st.key[:sz]}
+		n := rawShortNode{Key: hexToCompact(st.key)}
 		if len(st.children[0].val) < 32 {
 			n.Val = rawNode(st.children[0].val)
 		} else {
@@ -462,8 +468,7 @@ func (st *StackTrie) hashRec(hasher *hasher) {
 
 	case leafNode:
 		st.key = append(st.key, byte(16))
-		sz := hexToCompactInPlace(st.key)
-		n := rawShortNode{Key: st.key[:sz], Val: valueNode(st.val)}
+		n := rawShortNode{Key: hexToCompact(st.key), Val: valueNode(st.val)}
 
 		n.encode(hasher.encbuf)
 		encodedNode = hasher.encodedBytes()
@@ -482,10 +487,8 @@ func (st *StackTrie) hashRec(hasher *hasher) {
 	// Write the hash to the 'val'. We allocate a new val here to not mutate
 	// input values
 	st.val = hasher.hashData(encodedNode)
-	if st.db != nil {
-		// TODO! Is it safe to Put the slice here?
-		// Do all db implementations copy the value provided?
-		st.db.Put(st.val, encodedNode)
+	if st.writeFn != nil {
+		st.writeFn(st.owner, path, common.BytesToHash(st.val), encodedNode)
 	}
 }
 
@@ -494,12 +497,11 @@ func (st *StackTrie) Hash() (h common.Hash) {
 	hasher := newHasher(false)
 	defer returnHasherToPool(hasher)
 
-	st.hashRec(hasher)
+	st.hashRec(hasher, nil)
 	if len(st.val) == 32 {
 		copy(h[:], st.val)
 		return h
 	}
-
 	// If the node's RLP isn't 32 bytes long, the node will not
 	// be hashed, and instead contain the  rlp-encoding of the
 	// node. For the top level node, we need to force the hashing.
@@ -509,7 +511,7 @@ func (st *StackTrie) Hash() (h common.Hash) {
 	return h
 }
 
-// Commit will firstly hash the entrie trie if it's still not hashed
+// Commit will firstly hash the entire trie if it's still not hashed
 // and then commit all nodes to the associated database. Actually most
 // of the trie nodes MAY have been committed already. The main purpose
 // here is to commit the root node.
@@ -517,25 +519,24 @@ func (st *StackTrie) Hash() (h common.Hash) {
 // The associated database is expected, otherwise the whole commit
 // functionality should be disabled.
 func (st *StackTrie) Commit() (h common.Hash, err error) {
-	if st.db == nil {
+	if st.writeFn == nil {
 		return common.Hash{}, ErrCommitDisabled
 	}
-
 	hasher := newHasher(false)
 	defer returnHasherToPool(hasher)
 
-	st.hashRec(hasher)
+	st.hashRec(hasher, nil)
 	if len(st.val) == 32 {
 		copy(h[:], st.val)
 		return h, nil
 	}
-
 	// If the node's RLP isn't 32 bytes long, the node will not
-	// be hashed (and committed), and instead contain the  rlp-encoding of the
+	// be hashed (and committed), and instead contain the rlp-encoding of the
 	// node. For the top level node, we need to force the hashing+commit.
 	hasher.sha.Reset()
 	hasher.sha.Write(st.val)
 	hasher.sha.Read(h[:])
-	st.db.Put(h[:], st.val)
+
+	st.writeFn(st.owner, nil, h, st.val)
 	return h, nil
 }
diff --git a/trie/stacktrie_test.go b/trie/stacktrie_test.go
index e2e4337e80..fe6edde2be 100644
--- a/trie/stacktrie_test.go
+++ b/trie/stacktrie_test.go
@@ -31,7 +31,7 @@ import (
 	"math/big"
 	"testing"
 
-	"github.com/ava-labs/subnet-evm/ethdb/memorydb"
+	"github.com/ava-labs/subnet-evm/core/rawdb"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
 )
@@ -198,7 +198,7 @@ func TestStackTrieInsertAndHash(t *testing.T) {
 
 func TestSizeBug(t *testing.T) {
 	st := NewStackTrie(nil)
-	nt := NewEmpty(NewDatabase(memorydb.New()))
+	nt := NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
 
 	leaf := common.FromHex("290decd9548b62a8d60345a988386fc84ba6bc95484008f6362f93160ef3e563")
 	value := common.FromHex("94cf40d0d2b44f2b66e07cace1372ca42b73cf21a3")
@@ -213,7 +213,7 @@ func TestSizeBug(t *testing.T) {
 
 func TestEmptyBug(t *testing.T) {
 	st := NewStackTrie(nil)
-	nt := NewEmpty(NewDatabase(memorydb.New()))
+	nt := NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
 
 	//leaf := common.FromHex("290decd9548b62a8d60345a988386fc84ba6bc95484008f6362f93160ef3e563")
 	//value := common.FromHex("94cf40d0d2b44f2b66e07cace1372ca42b73cf21a3")
@@ -239,7 +239,7 @@ func TestEmptyBug(t *testing.T) {
 
 func TestValLength56(t *testing.T) {
 	st := NewStackTrie(nil)
-	nt := NewEmpty(NewDatabase(memorydb.New()))
+	nt := NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
 
 	//leaf := common.FromHex("290decd9548b62a8d60345a988386fc84ba6bc95484008f6362f93160ef3e563")
 	//value := common.FromHex("94cf40d0d2b44f2b66e07cace1372ca42b73cf21a3")
@@ -264,7 +264,7 @@ func TestValLength56(t *testing.T) {
 // which causes a lot of node-within-node. This case was found via fuzzing.
 func TestUpdateSmallNodes(t *testing.T) {
 	st := NewStackTrie(nil)
-	nt := NewEmpty(NewDatabase(memorydb.New()))
+	nt := NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
 	kvs := []struct {
 		K string
 		V string
@@ -292,7 +292,7 @@ func TestUpdateSmallNodes(t *testing.T) {
 func TestUpdateVariableKeys(t *testing.T) {
 	t.SkipNow()
 	st := NewStackTrie(nil)
-	nt := NewEmpty(NewDatabase(memorydb.New()))
+	nt := NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
 	kvs := []struct {
 		K string
 		V string
@@ -361,7 +361,7 @@ func TestStacktrieNotModifyValues(t *testing.T) {
 func TestStacktrieSerialization(t *testing.T) {
 	var (
 		st       = NewStackTrie(nil)
-		nt       = NewEmpty(NewDatabase(memorydb.New()))
+		nt       = NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
 		keyB     = big.NewInt(1)
 		keyDelta = big.NewInt(1)
 		vals     [][]byte
diff --git a/trie/sync_test.go b/trie/sync_test.go
index af303b9db1..f46bd75688 100644
--- a/trie/sync_test.go
+++ b/trie/sync_test.go
@@ -29,15 +29,15 @@ package trie
 import (
 	"fmt"
 
-	"github.com/ava-labs/subnet-evm/ethdb/memorydb"
+	"github.com/ava-labs/subnet-evm/core/rawdb"
 	"github.com/ethereum/go-ethereum/common"
 )
 
 // makeTestTrie create a sample test trie to test node-wise reconstruction.
 func makeTestTrie() (*Database, *StateTrie, map[string][]byte) {
 	// Create an empty trie
-	triedb := NewDatabase(memorydb.New())
-	trie, _ := NewStateTrie(common.Hash{}, common.Hash{}, triedb)
+	triedb := NewDatabase(rawdb.NewMemoryDatabase())
+	trie, _ := NewStateTrie(TrieID(common.Hash{}), triedb)
 
 	// Fill it with some arbitrary data
 	content := make(map[string][]byte)
@@ -58,14 +58,11 @@ func makeTestTrie() (*Database, *StateTrie, map[string][]byte) {
 			trie.Update(key, val)
 		}
 	}
-	root, nodes, err := trie.Commit(false)
-	if err != nil {
-		panic(fmt.Errorf("failed to commit trie %v", err))
-	}
+	root, nodes := trie.Commit(false)
 	if err := triedb.Update(NewWithNodeSet(nodes)); err != nil {
 		panic(fmt.Errorf("failed to commit db %v", err))
 	}
 	// Re-create the trie based on the new state
-	trie, _ = NewSecure(common.Hash{}, root, triedb)
+	trie, _ = NewStateTrie(TrieID(root), triedb)
 	return triedb, trie, content
 }
diff --git a/trie/test_trie.go b/trie/test_trie.go
index 55081de4a7..903d25ee7c 100644
--- a/trie/test_trie.go
+++ b/trie/test_trie.go
@@ -32,11 +32,10 @@ func GenerateTrie(t *testing.T, trieDB *Database, numKeys int, keySize int) (com
 	keys, values := FillTrie(t, numKeys, keySize, testTrie)
 
 	// Commit the root to [trieDB]
-	root, nodes, err := testTrie.Commit(false)
+	root, nodes := testTrie.Commit(false)
+	err := trieDB.Update(NewWithNodeSet(nodes))
 	assert.NoError(t, err)
-	err = trieDB.Update(NewWithNodeSet(nodes))
-	assert.NoError(t, err)
-	err = trieDB.Commit(root, false, nil)
+	err = trieDB.Commit(root, false)
 	assert.NoError(t, err)
 
 	return root, keys, values
@@ -73,11 +72,11 @@ func FillTrie(t *testing.T, numKeys int, keySize int, testTrie *Trie) ([][]byte,
 // AssertTrieConsistency ensures given trieDB [a] and [b] both have the same
 // non-empty trie at [root]. (all key/value pairs must be equal)
 func AssertTrieConsistency(t testing.TB, root common.Hash, a, b *Database, onLeaf func(key, val []byte) error) {
-	trieA, err := New(common.Hash{}, root, a)
+	trieA, err := New(TrieID(root), a)
 	if err != nil {
 		t.Fatalf("error creating trieA, root=%s, err=%v", root, err)
 	}
-	trieB, err := New(common.Hash{}, root, b)
+	trieB, err := New(TrieID(root), b)
 	if err != nil {
 		t.Fatalf("error creating trieB, root=%s, err=%v", root, err)
 	}
@@ -105,9 +104,9 @@ func AssertTrieConsistency(t testing.TB, root common.Hash, a, b *Database, onLea
 // CorruptTrie deletes every [n]th trie node from the trie given by [root] from the trieDB.
 // Assumes that the trie given by root can be iterated without issue.
 func CorruptTrie(t *testing.T, trieDB *Database, root common.Hash, n int) {
-	batch := trieDB.DiskDB().NewBatch()
+	batch := trieDB.diskdb.NewBatch()
 	// next delete some trie nodes
-	tr, err := New(common.Hash{}, root, trieDB)
+	tr, err := New(TrieID(root), trieDB)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -145,7 +144,7 @@ func FillAccounts(
 		accounts    = make(map[*keystore.Key]*types.StateAccount, numAccounts)
 	)
 
-	tr, err := NewStateTrie(common.Hash{}, root, trieDB)
+	tr, err := NewStateTrie(TrieID(root), trieDB)
 	if err != nil {
 		t.Fatalf("error opening trie: %v", err)
 	}
@@ -176,14 +175,11 @@ func FillAccounts(
 		accounts[key] = &acc
 	}
 
-	newRoot, nodes, err := tr.Commit(false)
-	if err != nil {
-		t.Fatalf("error committing trie: %v", err)
-	}
+	newRoot, nodes := tr.Commit(false)
 	if err := trieDB.Update(NewWithNodeSet(nodes)); err != nil {
 		t.Fatalf("error updating trieDB: %v", err)
 	}
-	if err := trieDB.Commit(newRoot, false, nil); err != nil {
+	if err := trieDB.Commit(newRoot, false); err != nil {
 		t.Fatalf("error committing trieDB: %v", err)
 	}
 	return newRoot, accounts
diff --git a/trie/trie.go b/trie/trie.go
index c6433bd692..13fc0e6180 100644
--- a/trie/trie.go
+++ b/trie/trie.go
@@ -32,31 +32,11 @@ import (
 	"errors"
 	"fmt"
 
+	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/log"
 )
 
-var (
-	// emptyRoot is the known root hash of an empty trie.
-	emptyRoot = common.HexToHash("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
-)
-
-// LeafCallback is a callback type invoked when a trie operation reaches a leaf
-// node.
-//
-// The keys is a path tuple identifying a particular trie node either in a single
-// trie (account) or a layered trie (account -> storage). Each key in the tuple
-// is in the raw format(32 bytes).
-//
-// The path is a composite hexary path identifying the trie node. All the key
-// bytes are converted to the hexary nibbles and composited with the parent path
-// if the trie node is in a layered trie.
-//
-// It's used by state sync and commit to allow handling external references
-// between account and storage tries. And also it's used in the state healing
-// for extracting the raw states(leaf nodes) with corresponding paths.
-type LeafCallback func(keys [][]byte, path []byte, leaf []byte, parent common.Hash, parentPath []byte) error
-
 // Trie is a Merkle Patricia Trie. Use New to create a trie that sits on
 // top of a database. Whenever trie performs a commit operation, the generated
 // nodes will be gathered and returned in a set. Once the trie is committed,
@@ -73,9 +53,8 @@ type Trie struct {
 	// actually unhashed nodes.
 	unhashed int
 
-	// db is the handler trie can retrieve nodes from. It's
-	// only for reading purpose and not available for writing.
-	db *Database
+	// reader is the handler trie can retrieve nodes from.
+	reader *trieReader
 
 	// tracer is the tool to track the trie changes.
 	// It will be reset after each commit operation.
@@ -93,26 +72,29 @@ func (t *Trie) Copy() *Trie {
 		root:     t.root,
 		owner:    t.owner,
 		unhashed: t.unhashed,
-		db:       t.db,
+		reader:   t.reader,
 		tracer:   t.tracer.copy(),
 	}
 }
 
-// New creates a trie with an existing root node from db and an assigned
-// owner for storage proximity.
-//
-// If root is the zero hash or the sha3 hash of an empty string, the
-// trie is initially empty and does not require a database. Otherwise,
-// New will panic if db is nil and returns a MissingNodeError if root does
-// not exist in the database. Accessing the trie loads nodes from db on demand.
-func New(owner common.Hash, root common.Hash, db *Database) (*Trie, error) {
+// New creates the trie instance with provided trie id and the read-only
+// database. The state specified by trie id must be available, otherwise
+// an error will be returned. The trie root specified by trie id can be
+// zero hash or the sha3 hash of an empty string, then trie is initially
+// empty, otherwise, the root node must be present in database or returns
+// a MissingNodeError if not.
+func New(id *ID, db NodeReader) (*Trie, error) {
+	reader, err := newTrieReader(id.StateRoot, id.Owner, db)
+	if err != nil {
+		return nil, err
+	}
 	trie := &Trie{
-		owner: owner,
-		db:    db,
+		owner:  id.Owner,
+		reader: reader,
 		//tracer: newTracer(),
 	}
-	if root != (common.Hash{}) && root != emptyRoot {
-		rootnode, err := trie.resolveHash(root[:], nil)
+	if id.Root != (common.Hash{}) && id.Root != types.EmptyRootHash {
+		rootnode, err := trie.resolveAndTrack(id.Root[:], nil)
 		if err != nil {
 			return nil, err
 		}
@@ -123,7 +105,7 @@ func New(owner common.Hash, root common.Hash, db *Database) (*Trie, error) {
 
 // NewEmpty is a shortcut to create empty tree. It's mostly used in tests.
 func NewEmpty(db *Database) *Trie {
-	tr, _ := New(common.Hash{}, common.Hash{}, db)
+	tr, _ := New(TrieID(common.Hash{}), db)
 	return tr
 }
 
@@ -138,7 +120,7 @@ func (t *Trie) NodeIterator(start []byte) NodeIterator {
 func (t *Trie) Get(key []byte) []byte {
 	res, err := t.TryGet(key)
 	if err != nil {
-		log.Error(fmt.Sprintf("Unhandled trie error: %v", err))
+		log.Error("Unhandled trie error in Trie.Get", "err", err)
 	}
 	return res
 }
@@ -179,7 +161,7 @@ func (t *Trie) tryGet(origNode node, key []byte, pos int) (value []byte, newnode
 		}
 		return value, n, didResolve, err
 	case hashNode:
-		child, err := t.resolveHash(n, key[:pos])
+		child, err := t.resolveAndTrack(n, key[:pos])
 		if err != nil {
 			return nil, n, true, err
 		}
@@ -225,7 +207,7 @@ func (t *Trie) tryGetNode(origNode node, path []byte, pos int) (item []byte, new
 		if hash == nil {
 			return nil, origNode, 0, errors.New("non-consensus node")
 		}
-		blob, err := t.db.RawNode(common.BytesToHash(hash))
+		blob, err := t.reader.nodeBlob(path, common.BytesToHash(hash))
 		return blob, origNode, 1, err
 	}
 	// Path still needs to be traversed, descend into children
@@ -255,7 +237,7 @@ func (t *Trie) tryGetNode(origNode node, path []byte, pos int) (item []byte, new
 		return item, n, resolved, err
 
 	case hashNode:
-		child, err := t.resolveHash(n, path[:pos])
+		child, err := t.resolveAndTrack(n, path[:pos])
 		if err != nil {
 			return nil, n, 1, err
 		}
@@ -275,7 +257,7 @@ func (t *Trie) tryGetNode(origNode node, path []byte, pos int) (item []byte, new
 // stored in the trie.
 func (t *Trie) Update(key, value []byte) {
 	if err := t.TryUpdate(key, value); err != nil {
-		log.Error(fmt.Sprintf("Unhandled trie error: %v", err))
+		log.Error("Unhandled trie error in Trie.Update", "err", err)
 	}
 }
 
@@ -376,7 +358,7 @@ func (t *Trie) insert(n node, prefix, key []byte, value node) (bool, node, error
 		// We've hit a part of the trie that isn't loaded yet. Load
 		// the node and insert into it. This leaves all child nodes on
 		// the path to the value in the trie.
-		rn, err := t.resolveHash(n, prefix)
+		rn, err := t.resolveAndTrack(n, prefix)
 		if err != nil {
 			return false, nil, err
 		}
@@ -394,7 +376,7 @@ func (t *Trie) insert(n node, prefix, key []byte, value node) (bool, node, error
 // Delete removes any existing value for key from the trie.
 func (t *Trie) Delete(key []byte) {
 	if err := t.TryDelete(key); err != nil {
-		log.Error(fmt.Sprintf("Unhandled trie error: %v", err))
+		log.Error("Unhandled trie error in Trie.Delete", "err", err)
 	}
 }
 
@@ -530,7 +512,7 @@ func (t *Trie) delete(n node, prefix, key []byte) (bool, node, error) {
 		// We've hit a part of the trie that isn't loaded yet. Load
 		// the node and delete from it. This leaves all child nodes on
 		// the path to the value in the trie.
-		rn, err := t.resolveHash(n, prefix)
+		rn, err := t.resolveAndTrack(n, prefix)
 		if err != nil {
 			return false, nil, err
 		}
@@ -554,30 +536,22 @@ func concat(s1 []byte, s2 ...byte) []byte {
 
 func (t *Trie) resolve(n node, prefix []byte) (node, error) {
 	if n, ok := n.(hashNode); ok {
-		return t.resolveHash(n, prefix)
+		return t.resolveAndTrack(n, prefix)
 	}
 	return n, nil
 }
 
-// resolveHash loads node from the underlying database with the provided
-// node hash and path prefix.
-func (t *Trie) resolveHash(n hashNode, prefix []byte) (node, error) {
-	hash := common.BytesToHash(n)
-	if node := t.db.EncodedNode(hash); node != nil {
-		return node, nil
-	}
-	return nil, &MissingNodeError{Owner: t.owner, NodeHash: hash, Path: prefix}
-}
-
-// resolveHash loads rlp-encoded node blob from the underlying database
-// with the provided node hash and path prefix.
-func (t *Trie) resolveBlob(n hashNode, prefix []byte) ([]byte, error) {
-	hash := common.BytesToHash(n)
-	blob, _ := t.db.RawNode(hash)
-	if len(blob) != 0 {
-		return blob, nil
+// resolveAndTrack loads node from the underlying store with the given node hash
+// and path prefix and also tracks the loaded node blob in tracer treated as the
+// node's original value. The rlp-encoded blob is preferred to be loaded from
+// database because it's easy to decode node while complex to encode node to blob.
+func (t *Trie) resolveAndTrack(n hashNode, prefix []byte) (node, error) {
+	blob, err := t.reader.nodeBlob(prefix, common.BytesToHash(n))
+	if err != nil {
+		return nil, err
 	}
-	return nil, &MissingNodeError{Owner: t.owner, NodeHash: hash, Path: prefix}
+	t.tracer.onRead(prefix, blob)
+	return mustDecodeNode(n, blob), nil
 }
 
 // Hash returns the root hash of the trie. It does not write to the
@@ -588,17 +562,23 @@ func (t *Trie) Hash() common.Hash {
 	return common.BytesToHash(hash.(hashNode))
 }
 
-// Commit collects all dirty nodes in the trie and replace them with the
-// corresponding node hash. All collected nodes(including dirty leaves if
+// Commit collects all dirty nodes in the trie and replaces them with the
+// corresponding node hash. All collected nodes (including dirty leaves if
 // collectLeaf is true) will be encapsulated into a nodeset for return.
-// The returned nodeset can be nil if the trie is clean(nothing to commit).
+// The returned nodeset can be nil if the trie is clean (nothing to commit).
 // Once the trie is committed, it's not usable anymore. A new trie must
 // be created with new root and updated trie database for following usage
-func (t *Trie) Commit(collectLeaf bool) (common.Hash, *NodeSet, error) {
+func (t *Trie) Commit(collectLeaf bool) (common.Hash, *NodeSet) {
 	defer t.tracer.reset()
 
+	// Trie is empty and can be classified into two types of situations:
+	// - The trie was empty and no update happens
+	// - The trie was non-empty and all nodes are dropped
 	if t.root == nil {
-		return emptyRoot, nil, nil
+		// Wrap tracked deletions as the return
+		set := NewNodeSet(t.owner)
+		t.tracer.markDeletions(set)
+		return types.EmptyRootHash, set
 	}
 	// Derive the hash for all dirty nodes first. We hold the assumption
 	// in the following procedure that all nodes are hashed.
@@ -610,21 +590,18 @@ func (t *Trie) Commit(collectLeaf bool) (common.Hash, *NodeSet, error) {
 		// Replace the root node with the origin hash in order to
 		// ensure all resolved nodes are dropped after the commit.
 		t.root = hashedNode
-		return rootHash, nil, nil
-	}
-	h := newCommitter(t.owner, collectLeaf)
-	newRoot, nodes, err := h.Commit(t.root)
-	if err != nil {
-		return common.Hash{}, nil, err
+		return rootHash, nil
 	}
+	h := newCommitter(t.owner, t.tracer, collectLeaf)
+	newRoot, nodes := h.Commit(t.root)
 	t.root = newRoot
-	return rootHash, nodes, nil
+	return rootHash, nodes
 }
 
 // hashRoot calculates the root hash of the given trie
 func (t *Trie) hashRoot() (node, node, error) {
 	if t.root == nil {
-		return hashNode(emptyRoot.Bytes()), nil, nil
+		return hashNode(types.EmptyRootHash.Bytes()), nil, nil
 	}
 	// If the number of changes is below 100, we let one thread handle it
 	h := newHasher(t.unhashed >= 100)
@@ -639,6 +616,5 @@ func (t *Trie) Reset() {
 	t.root = nil
 	t.owner = common.Hash{}
 	t.unhashed = 0
-	//t.db = nil
 	t.tracer.reset()
 }
diff --git a/trie/trie_id.go b/trie/trie_id.go
new file mode 100644
index 0000000000..b3ba417dcc
--- /dev/null
+++ b/trie/trie_id.go
@@ -0,0 +1,65 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>
+
+package trie
+
+import "github.com/ethereum/go-ethereum/common"
+
+// ID is the identifier for uniquely identifying a trie.
+type ID struct {
+	StateRoot common.Hash // The root of the corresponding state(block.root)
+	Owner     common.Hash // The contract address hash which the trie belongs to
+	Root      common.Hash // The root hash of trie
+}
+
+// StateTrieID constructs an identifier for state trie with the provided state root.
+func StateTrieID(root common.Hash) *ID {
+	return &ID{
+		StateRoot: root,
+		Owner:     common.Hash{},
+		Root:      root,
+	}
+}
+
+// StorageTrieID constructs an identifier for storage trie which belongs to a certain
+// state and contract specified by the stateRoot and owner.
+func StorageTrieID(stateRoot common.Hash, owner common.Hash, root common.Hash) *ID {
+	return &ID{
+		StateRoot: stateRoot,
+		Owner:     owner,
+		Root:      root,
+	}
+}
+
+// TrieID constructs an identifier for a standard trie(not a second-layer trie)
+// with provided root. It's mostly used in tests and some other tries like CHT trie.
+func TrieID(root common.Hash) *ID {
+	return &ID{
+		StateRoot: root,
+		Owner:     common.Hash{},
+		Root:      root,
+	}
+}
diff --git a/trie/trie_reader.go b/trie/trie_reader.go
new file mode 100644
index 0000000000..ce3454c581
--- /dev/null
+++ b/trie/trie_reader.go
@@ -0,0 +1,116 @@
+// (c) 2023, Ava Labs, Inc.
+//
+// This file is a derived work, based on the go-ethereum library whose original
+// notices appear below.
+//
+// It is distributed under a license compatible with the licensing terms of the
+// original code from which it is derived.
+//
+// Much love to the original authors for their work.
+// **********
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package trie
+
+import (
+	"fmt"
+
+	"github.com/ethereum/go-ethereum/common"
+)
+
+// Reader wraps the Node and NodeBlob method of a backing trie store.
+type Reader interface {
+	// Node retrieves the trie node with the provided trie identifier, hexary
+	// node path and the corresponding node hash.
+	// No error will be returned if the node is not found.
+	Node(owner common.Hash, path []byte, hash common.Hash) (node, error)
+
+	// NodeBlob retrieves the RLP-encoded trie node blob with the provided trie
+	// identifier, hexary node path and the corresponding node hash.
+	// No error will be returned if the node is not found.
+	NodeBlob(owner common.Hash, path []byte, hash common.Hash) ([]byte, error)
+}
+
+// NodeReader wraps all the necessary functions for accessing trie node.
+type NodeReader interface {
+	// GetReader returns a reader for accessing all trie nodes with provided
+	// state root. Nil is returned in case the state is not available.
+	GetReader(root common.Hash) Reader
+}
+
+// trieReader is a wrapper of the underlying node reader. It's not safe
+// for concurrent usage.
+type trieReader struct {
+	owner  common.Hash
+	reader Reader
+	banned map[string]struct{} // Marker to prevent node from being accessed, for tests
+}
+
+// newTrieReader initializes the trie reader with the given node reader.
+func newTrieReader(stateRoot, owner common.Hash, db NodeReader) (*trieReader, error) {
+	reader := db.GetReader(stateRoot)
+	if reader == nil {
+		return nil, fmt.Errorf("state not found #%x", stateRoot)
+	}
+	return &trieReader{owner: owner, reader: reader}, nil
+}
+
+// newEmptyReader initializes the pure in-memory reader. All read operations
+// should be forbidden and returns the MissingNodeError.
+func newEmptyReader() *trieReader {
+	return &trieReader{}
+}
+
+// node retrieves the trie node with the provided trie node information.
+// An MissingNodeError will be returned in case the node is not found or
+// any error is encountered.
+func (r *trieReader) node(path []byte, hash common.Hash) (node, error) {
+	// Perform the logics in tests for preventing trie node access.
+	if r.banned != nil {
+		if _, ok := r.banned[string(path)]; ok {
+			return nil, &MissingNodeError{Owner: r.owner, NodeHash: hash, Path: path}
+		}
+	}
+	if r.reader == nil {
+		return nil, &MissingNodeError{Owner: r.owner, NodeHash: hash, Path: path}
+	}
+	node, err := r.reader.Node(r.owner, path, hash)
+	if err != nil || node == nil {
+		return nil, &MissingNodeError{Owner: r.owner, NodeHash: hash, Path: path, err: err}
+	}
+	return node, nil
+}
+
+// node retrieves the rlp-encoded trie node with the provided trie node
+// information. An MissingNodeError will be returned in case the node is
+// not found or any error is encountered.
+func (r *trieReader) nodeBlob(path []byte, hash common.Hash) ([]byte, error) {
+	// Perform the logics in tests for preventing trie node access.
+	if r.banned != nil {
+		if _, ok := r.banned[string(path)]; ok {
+			return nil, &MissingNodeError{Owner: r.owner, NodeHash: hash, Path: path}
+		}
+	}
+	if r.reader == nil {
+		return nil, &MissingNodeError{Owner: r.owner, NodeHash: hash, Path: path}
+	}
+	blob, err := r.reader.NodeBlob(r.owner, path, hash)
+	if err != nil || len(blob) == 0 {
+		return nil, &MissingNodeError{Owner: r.owner, NodeHash: hash, Path: path, err: err}
+	}
+	return blob, nil
+}
diff --git a/trie/trie_test.go b/trie/trie_test.go
index 19ed7b865c..7b8fda54d5 100644
--- a/trie/trie_test.go
+++ b/trie/trie_test.go
@@ -28,6 +28,7 @@ package trie
 
 import (
 	"bytes"
+	crand "crypto/rand"
 	"encoding/binary"
 	"errors"
 	"fmt"
@@ -39,8 +40,8 @@ import (
 	"testing/quick"
 
 	"github.com/ava-labs/subnet-evm/core/rawdb"
+	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ava-labs/subnet-evm/ethdb"
-	"github.com/ava-labs/subnet-evm/ethdb/memorydb"
 	"github.com/davecgh/go-spew/spew"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
@@ -56,7 +57,7 @@ func init() {
 func TestEmptyTrie(t *testing.T) {
 	trie := NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
 	res := trie.Hash()
-	exp := emptyRoot
+	exp := types.EmptyRootHash
 	if res != exp {
 		t.Errorf("expected %x got %x", exp, res)
 	}
@@ -73,7 +74,8 @@ func TestNull(t *testing.T) {
 }
 
 func TestMissingRoot(t *testing.T) {
-	trie, err := New(common.Hash{}, common.HexToHash("0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33"), NewDatabase(memorydb.New()))
+	root := common.HexToHash("0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33")
+	trie, err := New(TrieID(root), NewDatabase(rawdb.NewMemoryDatabase()))
 	if trie != nil {
 		t.Error("New returned non-nil trie for invalid root")
 	}
@@ -86,39 +88,39 @@ func TestMissingNodeDisk(t *testing.T)    { testMissingNode(t, false) }
 func TestMissingNodeMemonly(t *testing.T) { testMissingNode(t, true) }
 
 func testMissingNode(t *testing.T, memonly bool) {
-	diskdb := memorydb.New()
+	diskdb := rawdb.NewMemoryDatabase()
 	triedb := NewDatabase(diskdb)
 
 	trie := NewEmpty(triedb)
 	updateString(trie, "120000", "qwerqwerqwerqwerqwerqwerqwerqwer")
 	updateString(trie, "123456", "asdfasdfasdfasdfasdfasdfasdfasdf")
-	root, nodes, _ := trie.Commit(false)
+	root, nodes := trie.Commit(false)
 	triedb.Update(NewWithNodeSet(nodes))
 	if !memonly {
-		triedb.Commit(root, true, nil)
+		triedb.Commit(root, false)
 	}
 
-	trie, _ = New(common.Hash{}, root, triedb)
+	trie, _ = New(TrieID(root), triedb)
 	_, err := trie.TryGet([]byte("120000"))
 	if err != nil {
 		t.Errorf("Unexpected error: %v", err)
 	}
-	trie, _ = New(common.Hash{}, root, triedb)
+	trie, _ = New(TrieID(root), triedb)
 	_, err = trie.TryGet([]byte("120099"))
 	if err != nil {
 		t.Errorf("Unexpected error: %v", err)
 	}
-	trie, _ = New(common.Hash{}, root, triedb)
+	trie, _ = New(TrieID(root), triedb)
 	_, err = trie.TryGet([]byte("123456"))
 	if err != nil {
 		t.Errorf("Unexpected error: %v", err)
 	}
-	trie, _ = New(common.Hash{}, root, triedb)
+	trie, _ = New(TrieID(root), triedb)
 	err = trie.TryUpdate([]byte("120099"), []byte("zxcvzxcvzxcvzxcvzxcvzxcvzxcvzxcv"))
 	if err != nil {
 		t.Errorf("Unexpected error: %v", err)
 	}
-	trie, _ = New(common.Hash{}, root, triedb)
+	trie, _ = New(TrieID(root), triedb)
 	err = trie.TryDelete([]byte("123456"))
 	if err != nil {
 		t.Errorf("Unexpected error: %v", err)
@@ -131,27 +133,27 @@ func testMissingNode(t *testing.T, memonly bool) {
 		diskdb.Delete(hash[:])
 	}
 
-	trie, _ = New(common.Hash{}, root, triedb)
+	trie, _ = New(TrieID(root), triedb)
 	_, err = trie.TryGet([]byte("120000"))
 	if _, ok := err.(*MissingNodeError); !ok {
 		t.Errorf("Wrong error: %v", err)
 	}
-	trie, _ = New(common.Hash{}, root, triedb)
+	trie, _ = New(TrieID(root), triedb)
 	_, err = trie.TryGet([]byte("120099"))
 	if _, ok := err.(*MissingNodeError); !ok {
 		t.Errorf("Wrong error: %v", err)
 	}
-	trie, _ = New(common.Hash{}, root, triedb)
+	trie, _ = New(TrieID(root), triedb)
 	_, err = trie.TryGet([]byte("123456"))
 	if err != nil {
 		t.Errorf("Unexpected error: %v", err)
 	}
-	trie, _ = New(common.Hash{}, root, triedb)
+	trie, _ = New(TrieID(root), triedb)
 	err = trie.TryUpdate([]byte("120099"), []byte("zxcv"))
 	if _, ok := err.(*MissingNodeError); !ok {
 		t.Errorf("Wrong error: %v", err)
 	}
-	trie, _ = New(common.Hash{}, root, triedb)
+	trie, _ = New(TrieID(root), triedb)
 	err = trie.TryDelete([]byte("123456"))
 	if _, ok := err.(*MissingNodeError); !ok {
 		t.Errorf("Wrong error: %v", err)
@@ -175,10 +177,7 @@ func TestInsert(t *testing.T) {
 	updateString(trie, "A", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")
 
 	exp = common.HexToHash("d23786fb4a010da3ce639d66d5e904a11dbc02746d1ce25029e53290cabf28ab")
-	root, _, err := trie.Commit(false)
-	if err != nil {
-		t.Fatalf("commit error: %v", err)
-	}
+	root, _ = trie.Commit(false)
 	if root != exp {
 		t.Errorf("case 2: exp %x got %x", exp, root)
 	}
@@ -203,9 +202,9 @@ func TestGet(t *testing.T) {
 		if i == 1 {
 			return
 		}
-		root, nodes, _ := trie.Commit(false)
+		root, nodes := trie.Commit(false)
 		db.Update(NewWithNodeSet(nodes))
-		trie, _ = New(common.Hash{}, root, db)
+		trie, _ = New(TrieID(root), db)
 	}
 }
 
@@ -275,14 +274,11 @@ func TestReplication(t *testing.T) {
 	for _, val := range vals {
 		updateString(trie, val.k, val.v)
 	}
-	exp, nodes, err := trie.Commit(false)
-	if err != nil {
-		t.Fatalf("commit error: %v", err)
-	}
+	exp, nodes := trie.Commit(false)
 	triedb.Update(NewWithNodeSet(nodes))
 
 	// create a new trie on top of the database and check that lookups work.
-	trie2, err := New(common.Hash{}, exp, triedb)
+	trie2, err := New(TrieID(exp), triedb)
 	if err != nil {
 		t.Fatalf("can't recreate trie at %x: %v", exp, err)
 	}
@@ -291,10 +287,7 @@ func TestReplication(t *testing.T) {
 			t.Errorf("trie2 doesn't have %q => %q", kv.k, kv.v)
 		}
 	}
-	hash, nodes, err := trie2.Commit(false)
-	if err != nil {
-		t.Fatalf("commit error: %v", err)
-	}
+	hash, nodes := trie2.Commit(false)
 	if hash != exp {
 		t.Errorf("root failure. expected %x got %x", exp, hash)
 	}
@@ -303,7 +296,7 @@ func TestReplication(t *testing.T) {
 	if nodes != nil {
 		triedb.Update(NewWithNodeSet(nodes))
 	}
-	trie2, err = New(common.Hash{}, hash, triedb)
+	trie2, err = New(TrieID(hash), triedb)
 	if err != nil {
 		t.Fatalf("can't recreate trie at %x: %v", exp, err)
 	}
@@ -386,6 +379,7 @@ const (
 	opCommit
 	opItercheckhash
 	opNodeDiff
+	opProve
 	opMax // boundary value, not an actual op
 )
 
@@ -411,7 +405,7 @@ func (randTest) Generate(r *rand.Rand, size int) reflect.Value {
 			step.key = genKey()
 			step.value = make([]byte, 8)
 			binary.BigEndian.PutUint64(step.value, uint64(i))
-		case opGet, opDelete:
+		case opGet, opDelete, opProve:
 			step.key = genKey()
 		}
 		steps = append(steps, step)
@@ -421,7 +415,7 @@ func (randTest) Generate(r *rand.Rand, size int) reflect.Value {
 
 func runRandTest(rt randTest) bool {
 	var (
-		triedb   = NewDatabase(memorydb.New())
+		triedb   = NewDatabase(rawdb.NewMemoryDatabase())
 		tr       = NewEmpty(triedb)
 		values   = make(map[string]string) // tracks content of the trie
 		origTrie = NewEmpty(triedb)
@@ -444,24 +438,56 @@ func runRandTest(rt randTest) bool {
 			if string(v) != want {
 				rt[i].err = fmt.Errorf("mismatch for key %#x, got %#x want %#x", step.key, v, want)
 			}
+		case opProve:
+			hash := tr.Hash()
+			if hash == types.EmptyRootHash {
+				continue
+			}
+			proofDb := rawdb.NewMemoryDatabase()
+			err := tr.Prove(step.key, 0, proofDb)
+			if err != nil {
+				rt[i].err = fmt.Errorf("failed for proving key %#x, %v", step.key, err)
+			}
+			_, err = VerifyProof(hash, step.key, proofDb)
+			if err != nil {
+				rt[i].err = fmt.Errorf("failed for verifying key %#x, %v", step.key, err)
+			}
 		case opHash:
 			tr.Hash()
 		case opCommit:
-			hash, nodes, err := tr.Commit(false)
-			if err != nil {
-				rt[i].err = err
-				return false
+			root, nodes := tr.Commit(true)
+			// Validity the returned nodeset
+			if nodes != nil {
+				for path, node := range nodes.updates.nodes {
+					blob, _, _ := origTrie.TryGetNode(hexToCompact([]byte(path)))
+					got := node.prev
+					if !bytes.Equal(blob, got) {
+						rt[i].err = fmt.Errorf("prevalue mismatch for 0x%x, got 0x%x want 0x%x", path, got, blob)
+						panic(rt[i].err)
+					}
+				}
+				for path, prev := range nodes.deletes {
+					blob, _, _ := origTrie.TryGetNode(hexToCompact([]byte(path)))
+					if !bytes.Equal(blob, prev) {
+						rt[i].err = fmt.Errorf("prevalue mismatch for 0x%x, got 0x%x want 0x%x", path, prev, blob)
+						return false
+					}
+				}
 			}
 			if nodes != nil {
 				triedb.Update(NewWithNodeSet(nodes))
 			}
-			newtr, err := New(common.Hash{}, hash, triedb)
+			newtr, err := New(TrieID(root), triedb)
 			if err != nil {
 				rt[i].err = err
 				return false
 			}
 			tr = newtr
+
+			// Enable node tracing. Resolve the root node again explicitly
+			// since it's not captured at the beginning.
 			tr.tracer = newTracer()
+			tr.resolveAndTrack(root.Bytes(), nil)
 
 			origTrie = tr.Copy()
 		case opItercheckhash:
@@ -579,7 +605,7 @@ func benchUpdate(b *testing.B, e binary.ByteOrder) *Trie {
 }
 
 // Benchmarks the trie hashing. Since the trie caches the result of any operation,
-// we cannot use b.N as the number of hashing rouns, since all rounds apart from
+// we cannot use b.N as the number of hashing rounds, since all rounds apart from
 // the first one will be NOOP. As such, we'll use b.N as the number of account to
 // insert into the trie before measuring the hashing.
 // BenchmarkHash-6   	  288680	      4561 ns/op	     682 B/op	       9 allocs/op
@@ -621,7 +647,7 @@ type account struct {
 }
 
 // Benchmarks the trie Commit following a Hash. Since the trie caches the result of any operation,
-// we cannot use b.N as the number of hashing rouns, since all rounds apart from
+// we cannot use b.N as the number of hashing rounds, since all rounds apart from
 // the first one will be NOOP. As such, we'll use b.N as the number of account to
 // insert into the trie before measuring the hashing.
 func BenchmarkCommitAfterHash(b *testing.B) {
@@ -688,7 +714,7 @@ func TestCommitAfterHash(t *testing.T) {
 	if exp != root {
 		t.Errorf("got %x, exp %x", root, exp)
 	}
-	root, _, _ = trie.Commit(false)
+	root, _ = trie.Commit(false)
 	if exp != root {
 		t.Errorf("got %x, exp %x", root, exp)
 	}
@@ -708,7 +734,7 @@ func makeAccounts(size int) (addresses [][20]byte, accounts [][]byte) {
 	for i := 0; i < len(accounts); i++ {
 		var (
 			nonce = uint64(random.Int63())
-			root  = emptyRoot
+			root  = types.EmptyRootHash
 			code  = crypto.Keccak256(nil)
 		)
 		// The big.Rand function is not deterministic with regards to 64 vs 32 bit systems,
@@ -768,47 +794,35 @@ func (b *spongeBatch) Reset()                              {}
 func (b *spongeBatch) Replay(w ethdb.KeyValueWriter) error { return nil }
 
 // TestCommitSequence tests that the trie.Commit operation writes the elements of the trie
-// in the expected order, and calls the callbacks in the expected order.
+// in the expected order.
 // The test data was based on the 'master' code, and is basically random. It can be used
 // to check whether changes to the trie modifies the write order or data in any way.
 func TestCommitSequence(t *testing.T) {
 	for i, tc := range []struct {
-		count              int
-		expWriteSeqHash    []byte
-		expCallbackSeqHash []byte
+		count           int
+		expWriteSeqHash []byte
 	}{
-		{20, common.FromHex("873c78df73d60e59d4a2bcf3716e8bfe14554549fea2fc147cb54129382a8066"),
-			common.FromHex("ff00f91ac05df53b82d7f178d77ada54fd0dca64526f537034a5dbe41b17df2a")},
-		{200, common.FromHex("ba03d891bb15408c940eea5ee3d54d419595102648d02774a0268d892add9c8e"),
-			common.FromHex("f3cd509064c8d319bbdd1c68f511850a902ad275e6ed5bea11547e23d492a926")},
-		{2000, common.FromHex("f7a184f20df01c94f09537401d11e68d97ad0c00115233107f51b9c287ce60c7"),
-			common.FromHex("ff795ea898ba1e4cfed4a33b4cf5535a347a02cf931f88d88719faf810f9a1c9")},
+		{20, common.FromHex("873c78df73d60e59d4a2bcf3716e8bfe14554549fea2fc147cb54129382a8066")},
+		{200, common.FromHex("ba03d891bb15408c940eea5ee3d54d419595102648d02774a0268d892add9c8e")},
+		{2000, common.FromHex("f7a184f20df01c94f09537401d11e68d97ad0c00115233107f51b9c287ce60c7")},
 	} {
 		addresses, accounts := makeAccounts(tc.count)
 		// This spongeDb is used to check the sequence of disk-db-writes
 		s := &spongeDb{sponge: sha3.NewLegacyKeccak256()}
-		db := NewDatabase(s)
+		db := NewDatabase(rawdb.NewDatabase(s))
 		trie := NewEmpty(db)
-		// Another sponge is used to check the callback-sequence
-		callbackSponge := sha3.NewLegacyKeccak256()
 		// Fill the trie with elements
 		for i := 0; i < tc.count; i++ {
 			trie.Update(crypto.Keccak256(addresses[i][:]), accounts[i])
 		}
 		// Flush trie -> database
-		root, nodes, _ := trie.Commit(false)
+		root, nodes := trie.Commit(false)
 		db.Update(NewWithNodeSet(nodes))
 		// Flush memdb -> disk (sponge)
-		db.Commit(root, false, func(c common.Hash) {
-			// And spongify the callback-order
-			callbackSponge.Write(c[:])
-		})
+		db.Commit(root, false)
 		if got, exp := s.sponge.Sum(nil), tc.expWriteSeqHash; !bytes.Equal(got, exp) {
 			t.Errorf("test %d, disk write sequence wrong:\ngot %x exp %x\n", i, got, exp)
 		}
-		if got, exp := callbackSponge.Sum(nil), tc.expCallbackSeqHash; !bytes.Equal(got, exp) {
-			t.Errorf("test %d, call back sequence wrong:\ngot: %x exp %x\n", i, got, exp)
-		}
 	}
 }
 
@@ -816,24 +830,18 @@ func TestCommitSequence(t *testing.T) {
 // but uses random blobs instead of 'accounts'
 func TestCommitSequenceRandomBlobs(t *testing.T) {
 	for i, tc := range []struct {
-		count              int
-		expWriteSeqHash    []byte
-		expCallbackSeqHash []byte
+		count           int
+		expWriteSeqHash []byte
 	}{
-		{20, common.FromHex("8e4a01548551d139fa9e833ebc4e66fc1ba40a4b9b7259d80db32cff7b64ebbc"),
-			common.FromHex("450238d73bc36dc6cc6f926987e5428535e64be403877c4560e238a52749ba24")},
-		{200, common.FromHex("6869b4e7b95f3097a19ddb30ff735f922b915314047e041614df06958fc50554"),
-			common.FromHex("0ace0b03d6cb8c0b82f6289ef5b1a1838306b455a62dafc63cada8e2924f2550")},
-		{2000, common.FromHex("444200e6f4e2df49f77752f629a96ccf7445d4698c164f962bbd85a0526ef424"),
-			common.FromHex("117d30dafaa62a1eed498c3dfd70982b377ba2b46dd3e725ed6120c80829e518")},
+		{20, common.FromHex("8e4a01548551d139fa9e833ebc4e66fc1ba40a4b9b7259d80db32cff7b64ebbc")},
+		{200, common.FromHex("6869b4e7b95f3097a19ddb30ff735f922b915314047e041614df06958fc50554")},
+		{2000, common.FromHex("444200e6f4e2df49f77752f629a96ccf7445d4698c164f962bbd85a0526ef424")},
 	} {
 		prng := rand.New(rand.NewSource(int64(i)))
 		// This spongeDb is used to check the sequence of disk-db-writes
 		s := &spongeDb{sponge: sha3.NewLegacyKeccak256()}
-		db := NewDatabase(s)
+		db := NewDatabase(rawdb.NewDatabase(s))
 		trie := NewEmpty(db)
-		// Another sponge is used to check the callback-sequence
-		callbackSponge := sha3.NewLegacyKeccak256()
 		// Fill the trie with elements
 		for i := 0; i < tc.count; i++ {
 			key := make([]byte, 32)
@@ -849,19 +857,13 @@ func TestCommitSequenceRandomBlobs(t *testing.T) {
 			trie.Update(key, val)
 		}
 		// Flush trie -> database
-		root, nodes, _ := trie.Commit(false)
+		root, nodes := trie.Commit(false)
 		db.Update(NewWithNodeSet(nodes))
 		// Flush memdb -> disk (sponge)
-		db.Commit(root, false, func(c common.Hash) {
-			// And spongify the callback-order
-			callbackSponge.Write(c[:])
-		})
+		db.Commit(root, false)
 		if got, exp := s.sponge.Sum(nil), tc.expWriteSeqHash; !bytes.Equal(got, exp) {
 			t.Fatalf("test %d, disk write sequence wrong:\ngot %x exp %x\n", i, got, exp)
 		}
-		if got, exp := callbackSponge.Sum(nil), tc.expCallbackSeqHash; !bytes.Equal(got, exp) {
-			t.Fatalf("test %d, call back sequence wrong:\ngot: %x exp %x\n", i, got, exp)
-		}
 	}
 }
 
@@ -870,11 +872,13 @@ func TestCommitSequenceStackTrie(t *testing.T) {
 		prng := rand.New(rand.NewSource(int64(count)))
 		// This spongeDb is used to check the sequence of disk-db-writes
 		s := &spongeDb{sponge: sha3.NewLegacyKeccak256(), id: "a"}
-		db := NewDatabase(s)
+		db := NewDatabase(rawdb.NewDatabase(s))
 		trie := NewEmpty(db)
 		// Another sponge is used for the stacktrie commits
 		stackTrieSponge := &spongeDb{sponge: sha3.NewLegacyKeccak256(), id: "b"}
-		stTrie := NewStackTrie(stackTrieSponge)
+		stTrie := NewStackTrie(func(owner common.Hash, path []byte, hash common.Hash, blob []byte) {
+			rawdb.WriteTrieNode(stackTrieSponge, owner, path, hash, blob, db.Scheme())
+		})
 		// Fill the trie with elements
 		for i := 0; i < count; i++ {
 			// For the stack trie, we need to do inserts in proper order
@@ -892,10 +896,10 @@ func TestCommitSequenceStackTrie(t *testing.T) {
 			stTrie.TryUpdate(key, val)
 		}
 		// Flush trie -> database
-		root, nodes, _ := trie.Commit(false)
+		root, nodes := trie.Commit(false)
 		// Flush memdb -> disk (sponge)
 		db.Update(NewWithNodeSet(nodes))
-		db.Commit(root, false, nil)
+		db.Commit(root, false)
 		// And flush stacktrie -> disk
 		stRoot, err := stTrie.Commit()
 		if err != nil {
@@ -927,21 +931,23 @@ func TestCommitSequenceStackTrie(t *testing.T) {
 // not fit into 32 bytes, rlp-encoded. However, it's still the correct thing to do.
 func TestCommitSequenceSmallRoot(t *testing.T) {
 	s := &spongeDb{sponge: sha3.NewLegacyKeccak256(), id: "a"}
-	db := NewDatabase(s)
+	db := NewDatabase(rawdb.NewDatabase(s))
 	trie := NewEmpty(db)
 	// Another sponge is used for the stacktrie commits
 	stackTrieSponge := &spongeDb{sponge: sha3.NewLegacyKeccak256(), id: "b"}
-	stTrie := NewStackTrie(stackTrieSponge)
+	stTrie := NewStackTrie(func(owner common.Hash, path []byte, hash common.Hash, blob []byte) {
+		rawdb.WriteTrieNode(stackTrieSponge, owner, path, hash, blob, db.Scheme())
+	})
 	// Add a single small-element to the trie(s)
 	key := make([]byte, 5)
 	key[0] = 1
 	trie.TryUpdate(key, []byte{0x1})
 	stTrie.TryUpdate(key, []byte{0x1})
 	// Flush trie -> database
-	root, nodes, _ := trie.Commit(false)
+	root, nodes := trie.Commit(false)
 	// Flush memdb -> disk (sponge)
 	db.Update(NewWithNodeSet(nodes))
-	db.Commit(root, false, nil)
+	db.Commit(root, false)
 	// And flush stacktrie -> disk
 	stRoot, err := stTrie.Commit()
 	if err != nil {
@@ -1111,7 +1117,7 @@ func benchmarkDerefRootFixedSize(b *testing.B, addresses [][20]byte, accounts []
 		trie.Update(crypto.Keccak256(addresses[i][:]), accounts[i])
 	}
 	h := trie.Hash()
-	_, nodes, _ := trie.Commit(false)
+	_, nodes := trie.Commit(false)
 	triedb.Update(NewWithNodeSet(nodes))
 	b.StartTimer()
 	triedb.Dereference(h)
@@ -1137,8 +1143,8 @@ func TestDecodeNode(t *testing.T) {
 		elems = make([]byte, 20)
 	)
 	for i := 0; i < 5000000; i++ {
-		rand.Read(hash)
-		rand.Read(elems)
+		crand.Read(hash)
+		crand.Read(elems)
 		decodeNode(hash, elems)
 	}
 }
diff --git a/trie/util_test.go b/trie/util_test.go
index 95a1882538..3ef4c962d1 100644
--- a/trie/util_test.go
+++ b/trie/util_test.go
@@ -27,9 +27,11 @@
 package trie
 
 import (
+	"bytes"
 	"testing"
 
 	"github.com/ava-labs/subnet-evm/core/rawdb"
+	"github.com/ava-labs/subnet-evm/core/types"
 	"github.com/ethereum/go-ethereum/common"
 )
 
@@ -78,9 +80,11 @@ func TestTrieTracer(t *testing.T) {
 	}
 
 	// Commit the changes and re-create with new root
-	root, nodes, _ := trie.Commit(false)
-	db.Update(NewWithNodeSet(nodes))
-	trie, _ = New(common.Hash{}, root, db)
+	root, nodes := trie.Commit(false)
+	if err := db.Update(NewWithNodeSet(nodes)); err != nil {
+		t.Fatal(err)
+	}
+	trie, _ = New(TrieID(root), db)
 	trie.tracer = newTracer()
 
 	// Delete all the elements, check deletion set
@@ -132,3 +136,180 @@ func TestTrieTracerNoop(t *testing.T) {
 		t.Fatalf("Unexpected deleted node tracked %d", len(trie.tracer.deleteList()))
 	}
 }
+
+func TestTrieTracePrevValue(t *testing.T) {
+	db := NewDatabase(rawdb.NewMemoryDatabase())
+	trie := NewEmpty(db)
+	trie.tracer = newTracer()
+
+	paths, blobs := trie.tracer.prevList()
+	if len(paths) != 0 || len(blobs) != 0 {
+		t.Fatalf("Nothing should be tracked")
+	}
+	// Insert a batch of entries, all the nodes should be marked as inserted
+	vals := []struct{ k, v string }{
+		{"do", "verb"},
+		{"ether", "wookiedoo"},
+		{"horse", "stallion"},
+		{"shaman", "horse"},
+		{"doge", "coin"},
+		{"dog", "puppy"},
+		{"somethingveryoddindeedthis is", "myothernodedata"},
+	}
+	for _, val := range vals {
+		trie.Update([]byte(val.k), []byte(val.v))
+	}
+	paths, blobs = trie.tracer.prevList()
+	if len(paths) != 0 || len(blobs) != 0 {
+		t.Fatalf("Nothing should be tracked")
+	}
+
+	// Commit the changes and re-create with new root
+	root, nodes := trie.Commit(false)
+	if err := db.Update(NewWithNodeSet(nodes)); err != nil {
+		t.Fatal(err)
+	}
+	trie, _ = New(TrieID(root), db)
+	trie.tracer = newTracer()
+	trie.resolveAndTrack(root.Bytes(), nil)
+
+	// Load all nodes in trie
+	for _, val := range vals {
+		trie.TryGet([]byte(val.k))
+	}
+
+	// Ensure all nodes are tracked by tracer with correct prev-values
+	iter := trie.NodeIterator(nil)
+	seen := make(map[string][]byte)
+	for iter.Next(true) {
+		// Embedded nodes are ignored since they are not present in
+		// database.
+		if iter.Hash() == (common.Hash{}) {
+			continue
+		}
+		seen[string(iter.Path())] = common.CopyBytes(iter.NodeBlob())
+	}
+
+	paths, blobs = trie.tracer.prevList()
+	if len(paths) != len(seen) || len(blobs) != len(seen) {
+		t.Fatalf("Unexpected tracked values")
+	}
+	for i, path := range paths {
+		blob := blobs[i]
+		prev, ok := seen[string(path)]
+		if !ok {
+			t.Fatalf("Missing node %v", path)
+		}
+		if !bytes.Equal(blob, prev) {
+			t.Fatalf("Unexpected value path: %v, want: %v, got: %v", path, prev, blob)
+		}
+	}
+
+	// Re-open the trie and iterate the trie, ensure nothing will be tracked.
+	// Iterator will not link any loaded nodes to trie.
+	trie, _ = New(TrieID(root), db)
+	trie.tracer = newTracer()
+
+	iter = trie.NodeIterator(nil)
+	for iter.Next(true) {
+	}
+	paths, blobs = trie.tracer.prevList()
+	if len(paths) != 0 || len(blobs) != 0 {
+		t.Fatalf("Nothing should be tracked")
+	}
+
+	// Re-open the trie and generate proof for entries, ensure nothing will
+	// be tracked. Prover will not link any loaded nodes to trie.
+	trie, _ = New(TrieID(root), db)
+	trie.tracer = newTracer()
+	for _, val := range vals {
+		trie.Prove([]byte(val.k), 0, rawdb.NewMemoryDatabase())
+	}
+	paths, blobs = trie.tracer.prevList()
+	if len(paths) != 0 || len(blobs) != 0 {
+		t.Fatalf("Nothing should be tracked")
+	}
+
+	// Delete entries from trie, ensure all previous values are correct.
+	trie, _ = New(TrieID(root), db)
+	trie.tracer = newTracer()
+	trie.resolveAndTrack(root.Bytes(), nil)
+
+	for _, val := range vals {
+		trie.TryDelete([]byte(val.k))
+	}
+	paths, blobs = trie.tracer.prevList()
+	if len(paths) != len(seen) || len(blobs) != len(seen) {
+		t.Fatalf("Unexpected tracked values")
+	}
+	for i, path := range paths {
+		blob := blobs[i]
+		prev, ok := seen[string(path)]
+		if !ok {
+			t.Fatalf("Missing node %v", path)
+		}
+		if !bytes.Equal(blob, prev) {
+			t.Fatalf("Unexpected value path: %v, want: %v, got: %v", path, prev, blob)
+		}
+	}
+}
+
+func TestDeleteAll(t *testing.T) {
+	db := NewDatabase(rawdb.NewMemoryDatabase())
+	trie := NewEmpty(db)
+	trie.tracer = newTracer()
+
+	// Insert a batch of entries, all the nodes should be marked as inserted
+	vals := []struct{ k, v string }{
+		{"do", "verb"},
+		{"ether", "wookiedoo"},
+		{"horse", "stallion"},
+		{"shaman", "horse"},
+		{"doge", "coin"},
+		{"dog", "puppy"},
+		{"somethingveryoddindeedthis is", "myothernodedata"},
+	}
+	for _, val := range vals {
+		trie.Update([]byte(val.k), []byte(val.v))
+	}
+	root, set := trie.Commit(false)
+	if err := db.Update(NewWithNodeSet(set)); err != nil {
+		t.Fatal(err)
+	}
+	// Delete entries from trie, ensure all values are detected
+	trie, _ = New(TrieID(root), db)
+	trie.tracer = newTracer()
+	trie.resolveAndTrack(root.Bytes(), nil)
+
+	// Iterate all existent nodes
+	var (
+		it    = trie.NodeIterator(nil)
+		nodes = make(map[string][]byte)
+	)
+	for it.Next(true) {
+		if it.Hash() != (common.Hash{}) {
+			nodes[string(it.Path())] = common.CopyBytes(it.NodeBlob())
+		}
+	}
+
+	// Perform deletion to purge the entire trie
+	for _, val := range vals {
+		trie.Delete([]byte(val.k))
+	}
+	root, set = trie.Commit(false)
+	if root != types.EmptyRootHash {
+		t.Fatalf("Invalid trie root %v", root)
+	}
+	for path, blob := range set.deletes {
+		prev, ok := nodes[path]
+		if !ok {
+			t.Fatalf("Extra node deleted %v", []byte(path))
+		}
+		if !bytes.Equal(prev, blob) {
+			t.Fatalf("Unexpected previous value %v", []byte(path))
+		}
+	}
+	if len(set.deletes) != len(nodes) {
+		t.Fatalf("Unexpected deletion set")
+	}
+}
diff --git a/trie/utils.go b/trie/utils.go
index 8d1593ebf3..fee9414cd7 100644
--- a/trie/utils.go
+++ b/trie/utils.go
@@ -60,45 +60,43 @@ func newTracer() *tracer {
 	}
 }
 
-/*
 // onRead tracks the newly loaded trie node and caches the rlp-encoded blob internally.
 // Don't change the value outside of function since it's not deep-copied.
-func (t *tracer) onRead(key []byte, val []byte) {
+func (t *tracer) onRead(path []byte, val []byte) {
 	// Tracer isn't used right now, remove this check later.
 	if t == nil {
 		return
 	}
-	t.origin[string(key)] = val
+	t.origin[string(path)] = val
 }
-*/
 
 // onInsert tracks the newly inserted trie node. If it's already in the deletion set
 // (resurrected node), then just wipe it from the deletion set as the "untouched".
-func (t *tracer) onInsert(key []byte) {
+func (t *tracer) onInsert(path []byte) {
 	// Tracer isn't used right now, remove this check later.
 	if t == nil {
 		return
 	}
-	if _, present := t.delete[string(key)]; present {
-		delete(t.delete, string(key))
+	if _, present := t.delete[string(path)]; present {
+		delete(t.delete, string(path))
 		return
 	}
-	t.insert[string(key)] = struct{}{}
+	t.insert[string(path)] = struct{}{}
 }
 
 // onDelete tracks the newly deleted trie node. If it's already
 // in the addition set, then just wipe it from the addition set
 // as it's untouched.
-func (t *tracer) onDelete(key []byte) {
+func (t *tracer) onDelete(path []byte) {
 	// Tracer isn't used right now, remove this check later.
 	if t == nil {
 		return
 	}
-	if _, present := t.insert[string(key)]; present {
-		delete(t.insert, string(key))
+	if _, present := t.insert[string(path)]; present {
+		delete(t.insert, string(path))
 		return
 	}
-	t.delete[string(key)] = struct{}{}
+	t.delete[string(path)] = struct{}{}
 }
 
 // insertList returns the tracked inserted trie nodes in list format.
@@ -108,8 +106,8 @@ func (t *tracer) insertList() [][]byte {
 		return nil
 	}
 	var ret [][]byte
-	for key := range t.insert {
-		ret = append(ret, []byte(key))
+	for path := range t.insert {
+		ret = append(ret, []byte(path))
 	}
 	return ret
 }
@@ -121,22 +119,37 @@ func (t *tracer) deleteList() [][]byte {
 		return nil
 	}
 	var ret [][]byte
-	for key := range t.delete {
-		ret = append(ret, []byte(key))
+	for path := range t.delete {
+		ret = append(ret, []byte(path))
 	}
 	return ret
 }
 
-/*
+// prevList returns the tracked node blobs in list format.
+func (t *tracer) prevList() ([][]byte, [][]byte) {
+	// Tracer isn't used right now, remove this check later.
+	if t == nil {
+		return nil, nil
+	}
+	var (
+		paths [][]byte
+		blobs [][]byte
+	)
+	for path, blob := range t.origin {
+		paths = append(paths, []byte(path))
+		blobs = append(blobs, blob)
+	}
+	return paths, blobs
+}
+
 // getPrev returns the cached original value of the specified node.
-func (t *tracer) getPrev(key []byte) []byte {
-	// Don't panic on uninitialized tracer, it's possible in testing.
+func (t *tracer) getPrev(path []byte) []byte {
+	// Tracer isn't used right now, remove this check later.
 	if t == nil {
 		return nil
 	}
-	return t.origin[string(key)]
+	return t.origin[string(path)]
 }
-*/
 
 // reset clears the content tracked by tracer.
 func (t *tracer) reset() {
@@ -175,3 +188,22 @@ func (t *tracer) copy() *tracer {
 		origin: origin,
 	}
 }
+
+// markDeletions puts all tracked deletions into the provided nodeset.
+func (t *tracer) markDeletions(set *NodeSet) {
+	// Tracer isn't used right now, remove this check later.
+	if t == nil {
+		return
+	}
+	for _, path := range t.deleteList() {
+		// There are a few possibilities for this scenario(the node is deleted
+		// but not present in database previously), for example the node was
+		// embedded in the parent and now deleted from the trie. In this case
+		// it's noop from database's perspective.
+		val := t.getPrev(path)
+		if len(val) == 0 {
+			continue
+		}
+		set.markDeleted(path, val)
+	}
+}
diff --git a/utils/bytes.go b/utils/bytes.go
index 54258b20f4..186e3c41ef 100644
--- a/utils/bytes.go
+++ b/utils/bytes.go
@@ -3,8 +3,6 @@
 
 package utils
 
-import "github.com/ethereum/go-ethereum/common"
-
 // IncrOne increments bytes value by one
 func IncrOne(bytes []byte) {
 	index := len(bytes) - 1
@@ -18,27 +16,3 @@ func IncrOne(bytes []byte) {
 		}
 	}
 }
-
-// HashSliceToBytes serializes a []common.Hash into a tightly packed byte array.
-func HashSliceToBytes(hashes []common.Hash) []byte {
-	bytes := make([]byte, common.HashLength*len(hashes))
-	for i, hash := range hashes {
-		copy(bytes[i*common.HashLength:], hash[:])
-	}
-	return bytes
-}
-
-// BytesToHashSlice packs [b] into a slice of hash values with zero padding
-// to the right if the length of b is not a multiple of 32.
-func BytesToHashSlice(b []byte) []common.Hash {
-	var (
-		numHashes = (len(b) + 31) / 32
-		hashes    = make([]common.Hash, numHashes)
-	)
-
-	for i := range hashes {
-		start := i * common.HashLength
-		copy(hashes[i][:], b[start:])
-	}
-	return hashes
-}
diff --git a/utils/bytes_test.go b/utils/bytes_test.go
index 7f3619c16a..121410c85a 100644
--- a/utils/bytes_test.go
+++ b/utils/bytes_test.go
@@ -4,13 +4,10 @@
 package utils
 
 import (
-	"bytes"
 	"testing"
 
-	"github.com/ava-labs/avalanchego/utils"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
 )
 
 func TestIncrOne(t *testing.T) {
@@ -39,28 +36,3 @@ func TestIncrOne(t *testing.T) {
 		})
 	}
 }
-
-func testBytesToHashSlice(t testing.TB, b []byte) {
-	hashSlice := BytesToHashSlice(b)
-
-	copiedBytes := HashSliceToBytes(hashSlice)
-
-	if len(b)%32 == 0 {
-		require.Equal(t, b, copiedBytes)
-	} else {
-		require.Equal(t, b, copiedBytes[:len(b)])
-		// Require that any additional padding is all zeroes
-		padding := copiedBytes[len(b):]
-		require.Equal(t, bytes.Repeat([]byte{0x00}, len(padding)), padding)
-	}
-}
-
-func FuzzHashSliceToBytes(f *testing.F) {
-	for i := 0; i < 100; i++ {
-		f.Add(utils.RandomBytes(i))
-	}
-
-	f.Fuzz(func(t *testing.T, a []byte) {
-		testBytesToHashSlice(t, a)
-	})
-}
diff --git a/utils/fork.go b/utils/fork.go
index 07e0ae1cae..0a2c150f2a 100644
--- a/utils/fork.go
+++ b/utils/fork.go
@@ -3,23 +3,53 @@
 
 package utils
 
-import "math/big"
+import (
+	"math/big"
+	"time"
+)
 
-// IsForked returns whether a fork scheduled at block s is active at the given head block.
+func NewUint64(val uint64) *uint64 { return &val }
+
+func TimeToNewUint64(time time.Time) *uint64 {
+	unix := uint64(time.Unix())
+	return NewUint64(unix)
+}
+
+func Uint64ToTime(val *uint64) time.Time {
+	timestamp := int64(*val)
+	return time.Unix(timestamp, 0)
+}
+
+// IsBlockForked returns whether a fork scheduled at block s is active at the given head block.
 // Note: [s] and [head] can be either a block number or a block timestamp.
-func IsForked(s, head *big.Int) bool {
+func IsBlockForked(s, head *big.Int) bool {
 	if s == nil || head == nil {
 		return false
 	}
 	return s.Cmp(head) <= 0
 }
 
-// IsForkTransition returns true if [fork] activates during the transition from [parent]
-// to [current].
+// IsTimestampForked returns whether a fork scheduled at timestamp s is active
+// at the given head timestamp. Whilst this method is the same as isBlockForked,
+// they are explicitly separate for clearer reading.
+func IsTimestampForked(s *uint64, head uint64) bool {
+	if s == nil {
+		return false
+	}
+	return *s <= head
+}
+
+// IsForkTransition returns true if [fork] activates during the transition from
+// [parent] to [current].
+// Taking [parent] as a pointer allows for us to pass nil when checking forks
+// that activate during genesis.
 // Note: this works for both block number and timestamp activated forks.
-func IsForkTransition(fork *big.Int, parent *big.Int, current *big.Int) bool {
-	parentForked := IsForked(fork, parent)
-	currentForked := IsForked(fork, current)
+func IsForkTransition(fork *uint64, parent *uint64, current uint64) bool {
+	var parentForked bool
+	if parent != nil {
+		parentForked = IsTimestampForked(fork, *parent)
+	}
+	currentForked := IsTimestampForked(fork, current)
 	return !parentForked && currentForked
 }
 
@@ -31,3 +61,12 @@ func BigNumEqual(x, y *big.Int) bool {
 	}
 	return x.Cmp(y) == 0
 }
+
+// Uint64PtrEqual returns true if x and y pointers are equivalent ie. both nil or both
+// contain the same value.
+func Uint64PtrEqual(x, y *uint64) bool {
+	if x == nil || y == nil {
+		return x == y
+	}
+	return *x == *y
+}
diff --git a/utils/fork_test.go b/utils/fork_test.go
index fae184d1da..ec7870e813 100644
--- a/utils/fork_test.go
+++ b/utils/fork_test.go
@@ -4,52 +4,52 @@
 package utils
 
 import (
-	"math/big"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
 )
 
-func TestIsForked(t *testing.T) {
+func TestIsTimestampForked(t *testing.T) {
 	type test struct {
-		fork, block *big.Int
-		isForked    bool
+		fork     *uint64
+		block    uint64
+		isForked bool
 	}
 
 	for name, test := range map[string]test{
 		"nil fork at 0": {
 			fork:     nil,
-			block:    big.NewInt(0),
+			block:    0,
 			isForked: false,
 		},
 		"nil fork at non-zero": {
 			fork:     nil,
-			block:    big.NewInt(100),
+			block:    100,
 			isForked: false,
 		},
 		"zero fork at genesis": {
-			fork:     big.NewInt(0),
-			block:    big.NewInt(0),
+			fork:     NewUint64(0),
+			block:    0,
 			isForked: true,
 		},
 		"pre fork timestamp": {
-			fork:     big.NewInt(100),
-			block:    big.NewInt(50),
+			fork:     NewUint64(100),
+			block:    50,
 			isForked: false,
 		},
 		"at fork timestamp": {
-			fork:     big.NewInt(100),
-			block:    big.NewInt(100),
+			fork:     NewUint64(100),
+			block:    100,
 			isForked: true,
 		},
 		"post fork timestamp": {
-			fork:     big.NewInt(100),
-			block:    big.NewInt(150),
+			fork:     NewUint64(100),
+			block:    150,
 			isForked: true,
 		},
 	} {
 		t.Run(name, func(t *testing.T) {
-			res := IsForked(test.fork, test.block)
+			res := IsTimestampForked(test.fork, test.block)
 			assert.Equal(t, test.isForked, res)
 		})
 	}
@@ -57,63 +57,64 @@ func TestIsForked(t *testing.T) {
 
 func TestIsForkTransition(t *testing.T) {
 	type test struct {
-		fork, parent, current *big.Int
-		transitioned          bool
+		fork, parent *uint64
+		current      uint64
+		transitioned bool
 	}
 
 	for name, test := range map[string]test{
 		"not active at genesis": {
 			fork:         nil,
 			parent:       nil,
-			current:      big.NewInt(0),
+			current:      0,
 			transitioned: false,
 		},
 		"activate at genesis": {
-			fork:         big.NewInt(0),
+			fork:         NewUint64(0),
 			parent:       nil,
-			current:      big.NewInt(0),
+			current:      0,
 			transitioned: true,
 		},
 		"nil fork arbitrary transition": {
 			fork:         nil,
-			parent:       big.NewInt(100),
-			current:      big.NewInt(101),
+			parent:       NewUint64(100),
+			current:      101,
 			transitioned: false,
 		},
 		"nil fork transition same timestamp": {
 			fork:         nil,
-			parent:       big.NewInt(100),
-			current:      big.NewInt(100),
+			parent:       NewUint64(100),
+			current:      100,
 			transitioned: false,
 		},
 		"exact match on current timestamp": {
-			fork:         big.NewInt(100),
-			parent:       big.NewInt(99),
-			current:      big.NewInt(100),
+			fork:         NewUint64(100),
+			parent:       NewUint64(99),
+			current:      100,
 			transitioned: true,
 		},
 		"current same as parent does not transition twice": {
-			fork:         big.NewInt(100),
-			parent:       big.NewInt(101),
-			current:      big.NewInt(101),
+			fork:         NewUint64(100),
+			parent:       NewUint64(101),
+			current:      101,
 			transitioned: false,
 		},
 		"current, parent, and fork same should not transition twice": {
-			fork:         big.NewInt(100),
-			parent:       big.NewInt(100),
-			current:      big.NewInt(100),
+			fork:         NewUint64(100),
+			parent:       NewUint64(100),
+			current:      100,
 			transitioned: false,
 		},
 		"current transitions after fork": {
-			fork:         big.NewInt(100),
-			parent:       big.NewInt(99),
-			current:      big.NewInt(101),
+			fork:         NewUint64(100),
+			parent:       NewUint64(99),
+			current:      101,
 			transitioned: true,
 		},
 		"current and parent come after fork": {
-			fork:         big.NewInt(100),
-			parent:       big.NewInt(101),
-			current:      big.NewInt(102),
+			fork:         NewUint64(100),
+			parent:       NewUint64(101),
+			current:      102,
 			transitioned: false,
 		},
 	} {
diff --git a/utils/predicate/README.md b/utils/predicate/README.md
new file mode 100644
index 0000000000..34d8f02aae
--- /dev/null
+++ b/utils/predicate/README.md
@@ -0,0 +1,11 @@
+# Predicate Utils
+
+This package provides simple helpers to pack/unpack byte slices for a predicate transaction, where a byte slice of size N is encoded in the access list of a transaction.
+
+## Encoding
+
+A byte slice of size N is encoded as:
+
+1. Slice of N bytes
+2. Delimiter byte `0xff`
+3. Appended 0s to the nearest multiple of 32 bytes
diff --git a/utils/predicate/predicate_bytes.go b/utils/predicate/predicate_bytes.go
new file mode 100644
index 0000000000..608b503f12
--- /dev/null
+++ b/utils/predicate/predicate_bytes.go
@@ -0,0 +1,68 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package predicate
+
+import (
+	"fmt"
+
+	"github.com/ethereum/go-ethereum/common"
+)
+
+// PredicateEndByte is used as a delimiter for the bytes packed into a precompile predicate.
+// Precompile predicates are encoded in the Access List of transactions in the access tuples
+// which means that its length must be a multiple of 32 (common.HashLength).
+// For messages with a length that does not comply to that, this delimiter is used to
+// append/remove padding.
+var PredicateEndByte = byte(0xff)
+
+// PackPredicate packs [predicate] by delimiting the actual message with [PredicateEndByte]
+// and zero padding to reach a length that is a multiple of 32.
+func PackPredicate(predicate []byte) []byte {
+	predicate = append(predicate, PredicateEndByte)
+	return common.RightPadBytes(predicate, (len(predicate)+31)/32*32)
+}
+
+// UnpackPredicate unpacks a predicate by stripping right padded zeroes, checking for the delimter,
+// ensuring there is not excess padding, and returning the original message.
+// Returns an error if it finds an incorrect encoding.
+func UnpackPredicate(paddedPredicate []byte) ([]byte, error) {
+	trimmedPredicateBytes := common.TrimRightZeroes(paddedPredicate)
+	if len(trimmedPredicateBytes) == 0 {
+		return nil, fmt.Errorf("predicate specified invalid all zero bytes: 0x%x", paddedPredicate)
+	}
+
+	if expectedPaddedLength := (len(trimmedPredicateBytes) + 31) / 32 * 32; expectedPaddedLength != len(paddedPredicate) {
+		return nil, fmt.Errorf("predicate specified invalid padding with length (%d), expected length (%d)", len(paddedPredicate), expectedPaddedLength)
+	}
+
+	if trimmedPredicateBytes[len(trimmedPredicateBytes)-1] != PredicateEndByte {
+		return nil, fmt.Errorf("invalid end delimiter")
+	}
+
+	return trimmedPredicateBytes[:len(trimmedPredicateBytes)-1], nil
+}
+
+// HashSliceToBytes serializes a []common.Hash into a tightly packed byte array.
+func HashSliceToBytes(hashes []common.Hash) []byte {
+	bytes := make([]byte, common.HashLength*len(hashes))
+	for i, hash := range hashes {
+		copy(bytes[i*common.HashLength:], hash[:])
+	}
+	return bytes
+}
+
+// BytesToHashSlice packs [b] into a slice of hash values with zero padding
+// to the right if the length of b is not a multiple of 32.
+func BytesToHashSlice(b []byte) []common.Hash {
+	var (
+		numHashes = (len(b) + 31) / 32
+		hashes    = make([]common.Hash, numHashes)
+	)
+
+	for i := range hashes {
+		start := i * common.HashLength
+		copy(hashes[i][:], b[start:])
+	}
+	return hashes
+}
diff --git a/utils/predicate/predicate_bytes_test.go b/utils/predicate/predicate_bytes_test.go
new file mode 100644
index 0000000000..6200171e98
--- /dev/null
+++ b/utils/predicate/predicate_bytes_test.go
@@ -0,0 +1,75 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package predicate
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/ava-labs/avalanchego/utils"
+	"github.com/stretchr/testify/require"
+)
+
+func testBytesToHashSlice(t testing.TB, b []byte) {
+	hashSlice := BytesToHashSlice(b)
+
+	copiedBytes := HashSliceToBytes(hashSlice)
+
+	if len(b)%32 == 0 {
+		require.Equal(t, b, copiedBytes)
+	} else {
+		require.Equal(t, b, copiedBytes[:len(b)])
+		// Require that any additional padding is all zeroes
+		padding := copiedBytes[len(b):]
+		require.Equal(t, bytes.Repeat([]byte{0x00}, len(padding)), padding)
+	}
+}
+
+func FuzzHashSliceToBytes(f *testing.F) {
+	for i := 0; i < 100; i++ {
+		f.Add(utils.RandomBytes(i))
+	}
+
+	f.Fuzz(func(t *testing.T, b []byte) {
+		testBytesToHashSlice(t, b)
+	})
+}
+
+func testPackPredicate(t testing.TB, b []byte) {
+	packedPredicate := PackPredicate(b)
+	unpackedPredicated, err := UnpackPredicate(packedPredicate)
+	require.NoError(t, err)
+	require.Equal(t, b, unpackedPredicated)
+}
+
+func FuzzPackPredicate(f *testing.F) {
+	for i := 0; i < 100; i++ {
+		f.Add(utils.RandomBytes(i))
+	}
+
+	f.Fuzz(func(t *testing.T, b []byte) {
+		testPackPredicate(t, b)
+	})
+}
+
+func TestUnpackInvalidPredicate(t *testing.T) {
+	require := require.New(t)
+	// Predicate encoding requires a 0xff delimiter byte followed by padding of all zeroes, so any other
+	// excess padding should invalidate the predicate.
+	paddingCases := make([][]byte, 0, 200)
+	for i := 1; i < 100; i++ {
+		paddingCases = append(paddingCases, bytes.Repeat([]byte{0xee}, i))
+		paddingCases = append(paddingCases, make([]byte, i))
+	}
+
+	for _, l := range []int{0, 1, 31, 32, 33, 63, 64, 65} {
+		validPredicate := PackPredicate(utils.RandomBytes(l))
+
+		for _, padding := range paddingCases {
+			invalidPredicate := append(validPredicate, padding...)
+			_, err := UnpackPredicate(invalidPredicate)
+			require.Error(err, "Predicate length %d, Padding length %d (0x%x)", len(validPredicate), len(padding), invalidPredicate)
+		}
+	}
+}
diff --git a/utils/predicate/predicate_tx.go b/utils/predicate/predicate_tx.go
new file mode 100644
index 0000000000..f7a0e73c11
--- /dev/null
+++ b/utils/predicate/predicate_tx.go
@@ -0,0 +1,43 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package predicate
+
+import (
+	"math/big"
+
+	"github.com/ava-labs/subnet-evm/core/types"
+	"github.com/ethereum/go-ethereum/common"
+)
+
+// NewPredicateTx returns a transaction with the predicateAddress/predicateBytes tuple
+// packed and added to the access list of the transaction.
+func NewPredicateTx(
+	chainID *big.Int,
+	nonce uint64,
+	to *common.Address,
+	gas uint64,
+	gasFeeCap *big.Int,
+	gasTipCap *big.Int,
+	value *big.Int,
+	data []byte,
+	accessList types.AccessList,
+	predicateAddress common.Address,
+	predicateBytes []byte,
+) *types.Transaction {
+	accessList = append(accessList, types.AccessTuple{
+		Address:     predicateAddress,
+		StorageKeys: BytesToHashSlice(PackPredicate(predicateBytes)),
+	})
+	return types.NewTx(&types.DynamicFeeTx{
+		ChainID:    chainID,
+		Nonce:      nonce,
+		To:         to,
+		Gas:        gas,
+		GasFeeCap:  gasFeeCap,
+		GasTipCap:  gasTipCap,
+		Value:      value,
+		Data:       data,
+		AccessList: accessList,
+	})
+}
diff --git a/vmerrs/vmerrs.go b/vmerrs/vmerrs.go
index ea3871852c..8e3bb07bc9 100644
--- a/vmerrs/vmerrs.go
+++ b/vmerrs/vmerrs.go
@@ -38,6 +38,7 @@ var (
 	ErrInsufficientBalance         = errors.New("insufficient balance for transfer")
 	ErrContractAddressCollision    = errors.New("contract address collision")
 	ErrExecutionReverted           = errors.New("execution reverted")
+	ErrMaxInitCodeSizeExceeded     = errors.New("max initcode size exceeded")
 	ErrMaxCodeSizeExceeded         = errors.New("max code size exceeded")
 	ErrInvalidJump                 = errors.New("invalid jump destination")
 	ErrWriteProtection             = errors.New("write protection")
diff --git a/warp/aggregator/aggregation_job.go b/warp/aggregator/aggregation_job.go
new file mode 100644
index 0000000000..029698c9f6
--- /dev/null
+++ b/warp/aggregator/aggregation_job.go
@@ -0,0 +1,140 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package aggregator
+
+import (
+	"context"
+	"fmt"
+	"sync"
+
+	"github.com/ava-labs/avalanchego/ids"
+	"github.com/ava-labs/avalanchego/snow/validators"
+	"github.com/ava-labs/avalanchego/utils/crypto/bls"
+	"github.com/ava-labs/avalanchego/utils/set"
+	avalancheWarp "github.com/ava-labs/avalanchego/vms/platformvm/warp"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/ethereum/go-ethereum/log"
+)
+
+// signatureAggregationJob fetches signatures for a single unsigned warp message.
+type signatureAggregationJob struct {
+	// SignatureBackend is assumed to be thread-safe and may be used by multiple signature aggregation jobs concurrently
+	client   SignatureBackend
+	height   uint64
+	subnetID ids.ID
+
+	// Minimum threshold at which to return the resulting aggregate signature. If this threshold is not reached,
+	// return an error instead of aggregating the signatures that were fetched.
+	minValidQuorumNum uint64
+	// Threshold at which to cancel fetching further signatures
+	maxNeededQuorumNum uint64
+	// Denominator to use when checking if we've reached the threshold
+	quorumDen uint64
+	state     validators.State
+	msg       *avalancheWarp.UnsignedMessage
+}
+
+type AggregateSignatureResult struct {
+	SignatureWeight uint64
+	TotalWeight     uint64
+	Message         *avalancheWarp.Message
+}
+
+func newSignatureAggregationJob(
+	client SignatureBackend,
+	height uint64,
+	subnetID ids.ID,
+	minValidQuorumNum uint64,
+	maxNeededQuorumNum uint64,
+	quorumDen uint64,
+	state validators.State,
+	msg *avalancheWarp.UnsignedMessage,
+) *signatureAggregationJob {
+	return &signatureAggregationJob{
+		client:             client,
+		height:             height,
+		subnetID:           subnetID,
+		minValidQuorumNum:  minValidQuorumNum,
+		maxNeededQuorumNum: maxNeededQuorumNum,
+		quorumDen:          quorumDen,
+		state:              state,
+		msg:                msg,
+	}
+}
+
+// Execute aggregates signatures for the requested message
+func (a *signatureAggregationJob) Execute(ctx context.Context) (*AggregateSignatureResult, error) {
+	validators, totalWeight, err := avalancheWarp.GetCanonicalValidatorSet(ctx, a.state, a.height, a.subnetID)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get validator set: %w", err)
+	}
+	signatureJobs := make([]*signatureJob, 0, len(validators))
+	for _, validator := range validators {
+		signatureJobs = append(signatureJobs, newSignatureJob(a.client, validator, a.msg))
+	}
+
+	// signatureLock is used to access any of the signature attributes in the goroutines created below
+	signatureLock := sync.Mutex{}
+	blsSignatures := make([]*bls.Signature, 0, len(signatureJobs))
+	bitSet := set.NewBits()
+	signatureWeight := uint64(0)
+
+	// Create a child context to cancel signature fetching if we reach [maxNeededQuorumNum] threshold
+	signatureFetchCtx, signatureFetchCancel := context.WithCancel(ctx)
+	defer signatureFetchCancel()
+
+	wg := sync.WaitGroup{}
+	for i, signatureJob := range signatureJobs {
+		i := i
+		signatureJob := signatureJob
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			log.Info("Fetching warp signature", "nodeID", signatureJob.nodeID, "index", i)
+			blsSignature, err := signatureJob.Execute(signatureFetchCtx)
+			if err != nil {
+				log.Info("Failed to fetch signature at index %d: %s", i, signatureJob)
+				return
+			}
+			log.Info("Retrieved warp signature", "nodeID", signatureJob.nodeID, "index", i, "signature", hexutil.Bytes(bls.SignatureToBytes(blsSignature)))
+			// Add the signature and check if we've reached the requested threshold
+			signatureLock.Lock()
+			defer signatureLock.Unlock()
+
+			blsSignatures = append(blsSignatures, blsSignature)
+			bitSet.Add(i)
+			log.Info("Updated weight", "totalWeight", signatureWeight+signatureJob.weight, "addedWeight", signatureJob.weight)
+			signatureWeight += signatureJob.weight
+			// If the signature weight meets the requested threshold, cancel signature fetching
+			if err := avalancheWarp.VerifyWeight(signatureWeight, totalWeight, a.maxNeededQuorumNum, a.quorumDen); err == nil {
+				log.Info("Verify weight passed, exiting aggregation early", "maxNeededQuorumNum", a.maxNeededQuorumNum, "totalWeight", totalWeight, "signatureWeight", signatureWeight)
+				signatureFetchCancel()
+			}
+		}()
+	}
+	wg.Wait()
+
+	// If I failed to fetch sufficient signature stake, return an error
+	if err := avalancheWarp.VerifyWeight(signatureWeight, totalWeight, a.minValidQuorumNum, a.quorumDen); err != nil {
+		return nil, fmt.Errorf("failed to aggregate signature: %w", err)
+	}
+	// Otherwise, return the aggregate signature
+	aggregateSignature, err := bls.AggregateSignatures(blsSignatures)
+	if err != nil {
+		return nil, fmt.Errorf("failed to aggregate BLS signatures: %w", err)
+	}
+	warpSignature := &avalancheWarp.BitSetSignature{
+		Signers: bitSet.Bytes(),
+	}
+	copy(warpSignature.Signature[:], bls.SignatureToBytes(aggregateSignature))
+	msg, err := avalancheWarp.NewMessage(a.msg, warpSignature)
+	if err != nil {
+		return nil, fmt.Errorf("failed to construct warp message: %w", err)
+	}
+	return &AggregateSignatureResult{
+		Message:         msg,
+		SignatureWeight: signatureWeight,
+		TotalWeight:     totalWeight,
+	}, nil
+}
diff --git a/warp/aggregator/aggregation_job_test.go b/warp/aggregator/aggregation_job_test.go
new file mode 100644
index 0000000000..a184138489
--- /dev/null
+++ b/warp/aggregator/aggregation_job_test.go
@@ -0,0 +1,355 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package aggregator
+
+import (
+	"context"
+	"errors"
+	"testing"
+
+	"github.com/ava-labs/avalanchego/ids"
+	"github.com/ava-labs/avalanchego/snow/validators"
+	"github.com/ava-labs/avalanchego/utils/crypto/bls"
+	"github.com/ava-labs/avalanchego/utils/set"
+	avalancheWarp "github.com/ava-labs/avalanchego/vms/platformvm/warp"
+	"github.com/stretchr/testify/require"
+)
+
+var (
+	subnetID          = ids.GenerateTestID()
+	pChainHeight      = uint64(10)
+	getSubnetIDF      = func(ctx context.Context, chainID ids.ID) (ids.ID, error) { return subnetID, nil }
+	getCurrentHeightF = func(ctx context.Context) (uint64, error) { return pChainHeight, nil }
+)
+
+type signatureAggregationTest struct {
+	ctx         context.Context
+	job         *signatureAggregationJob
+	expectedRes *AggregateSignatureResult
+	expectedErr error
+}
+
+func executeSignatureAggregationTest(t testing.TB, test signatureAggregationTest) {
+	t.Helper()
+
+	res, err := test.job.Execute(test.ctx)
+	if test.expectedErr != nil {
+		require.ErrorIs(t, err, test.expectedErr)
+		return
+	}
+
+	require.Equal(t, res.SignatureWeight, test.expectedRes.SignatureWeight)
+	require.Equal(t, res.TotalWeight, test.expectedRes.TotalWeight)
+	require.NoError(t, res.Message.Signature.Verify(
+		context.Background(),
+		&res.Message.UnsignedMessage,
+		networkID,
+		test.job.state,
+		pChainHeight,
+		test.job.minValidQuorumNum,
+		test.job.quorumDen,
+	))
+}
+
+func TestSingleSignatureAggregator(t *testing.T) {
+	ctx := context.Background()
+	aggregationJob := newSignatureAggregationJob(
+		&mockFetcher{
+			fetch: func(context.Context, ids.NodeID, *avalancheWarp.UnsignedMessage) (*bls.Signature, error) {
+				return blsSignatures[0], nil
+			},
+		},
+		pChainHeight,
+		subnetID,
+		100,
+		100,
+		100,
+		&validators.TestState{
+			GetSubnetIDF:      getSubnetIDF,
+			GetCurrentHeightF: getCurrentHeightF,
+			GetValidatorSetF: func(ctx context.Context, height uint64, subnetID ids.ID) (map[ids.NodeID]*validators.GetValidatorOutput, error) {
+				return map[ids.NodeID]*validators.GetValidatorOutput{
+					nodeIDs[0]: {
+						NodeID:    nodeIDs[0],
+						PublicKey: blsPublicKeys[0],
+						Weight:    100,
+					},
+				}, nil
+			},
+		},
+		unsignedMsg,
+	)
+
+	signature := &avalancheWarp.BitSetSignature{
+		Signers: set.NewBits(0).Bytes(),
+	}
+	signedMessage, err := avalancheWarp.NewMessage(unsignedMsg, signature)
+	require.NoError(t, err)
+	copy(signature.Signature[:], bls.SignatureToBytes(blsSignatures[0]))
+	expectedRes := &AggregateSignatureResult{
+		SignatureWeight: 100,
+		TotalWeight:     100,
+		Message:         signedMessage,
+	}
+	executeSignatureAggregationTest(t, signatureAggregationTest{
+		ctx:         ctx,
+		job:         aggregationJob,
+		expectedRes: expectedRes,
+	})
+}
+
+func TestAggregateAllSignatures(t *testing.T) {
+	ctx := context.Background()
+	aggregationJob := newSignatureAggregationJob(
+		&mockFetcher{
+			fetch: func(_ context.Context, nodeID ids.NodeID, _ *avalancheWarp.UnsignedMessage) (*bls.Signature, error) {
+				for i, matchingNodeID := range nodeIDs {
+					if matchingNodeID == nodeID {
+						return blsSignatures[i], nil
+					}
+				}
+				panic("request to unexpected nodeID")
+			},
+		},
+		pChainHeight,
+		subnetID,
+		100,
+		100,
+		100,
+		&validators.TestState{
+			GetSubnetIDF:      getSubnetIDF,
+			GetCurrentHeightF: getCurrentHeightF,
+			GetValidatorSetF: func(ctx context.Context, height uint64, subnetID ids.ID) (map[ids.NodeID]*validators.GetValidatorOutput, error) {
+				res := make(map[ids.NodeID]*validators.GetValidatorOutput)
+				for i := 0; i < 5; i++ {
+					res[nodeIDs[i]] = &validators.GetValidatorOutput{
+						NodeID:    nodeIDs[i],
+						PublicKey: blsPublicKeys[i],
+						Weight:    100,
+					}
+				}
+				return res, nil
+			},
+		},
+		unsignedMsg,
+	)
+
+	signature := &avalancheWarp.BitSetSignature{
+		Signers: set.NewBits(0, 1, 2, 3, 4).Bytes(),
+	}
+	signedMessage, err := avalancheWarp.NewMessage(unsignedMsg, signature)
+	require.NoError(t, err)
+	aggregateSignature, err := bls.AggregateSignatures(blsSignatures)
+	require.NoError(t, err)
+	copy(signature.Signature[:], bls.SignatureToBytes(aggregateSignature))
+	expectedRes := &AggregateSignatureResult{
+		SignatureWeight: 500,
+		TotalWeight:     500,
+		Message:         signedMessage,
+	}
+	executeSignatureAggregationTest(t, signatureAggregationTest{
+		ctx:         ctx,
+		job:         aggregationJob,
+		expectedRes: expectedRes,
+	})
+}
+
+func TestAggregateThresholdSignatures(t *testing.T) {
+	ctx := context.Background()
+	aggregationJob := newSignatureAggregationJob(
+		&mockFetcher{
+			fetch: func(_ context.Context, nodeID ids.NodeID, _ *avalancheWarp.UnsignedMessage) (*bls.Signature, error) {
+				for i, matchingNodeID := range nodeIDs[:3] {
+					if matchingNodeID == nodeID {
+						return blsSignatures[i], nil
+					}
+				}
+				return nil, errors.New("what do we say to the god of death")
+			},
+		},
+		pChainHeight,
+		subnetID,
+		60,
+		60,
+		100,
+		&validators.TestState{
+			GetSubnetIDF:      getSubnetIDF,
+			GetCurrentHeightF: getCurrentHeightF,
+			GetValidatorSetF: func(ctx context.Context, height uint64, subnetID ids.ID) (map[ids.NodeID]*validators.GetValidatorOutput, error) {
+				res := make(map[ids.NodeID]*validators.GetValidatorOutput)
+				for i := 0; i < 5; i++ {
+					res[nodeIDs[i]] = &validators.GetValidatorOutput{
+						NodeID:    nodeIDs[i],
+						PublicKey: blsPublicKeys[i],
+						Weight:    100,
+					}
+				}
+				return res, nil
+			},
+		},
+		unsignedMsg,
+	)
+
+	signature := &avalancheWarp.BitSetSignature{
+		Signers: set.NewBits(0, 1, 2).Bytes(),
+	}
+	signedMessage, err := avalancheWarp.NewMessage(unsignedMsg, signature)
+	require.NoError(t, err)
+	aggregateSignature, err := bls.AggregateSignatures(blsSignatures)
+	require.NoError(t, err)
+	copy(signature.Signature[:], bls.SignatureToBytes(aggregateSignature))
+	expectedRes := &AggregateSignatureResult{
+		SignatureWeight: 300,
+		TotalWeight:     500,
+		Message:         signedMessage,
+	}
+	executeSignatureAggregationTest(t, signatureAggregationTest{
+		ctx:         ctx,
+		job:         aggregationJob,
+		expectedRes: expectedRes,
+	})
+}
+
+func TestAggregateThresholdSignaturesInsufficientWeight(t *testing.T) {
+	ctx := context.Background()
+	aggregationJob := newSignatureAggregationJob(
+		&mockFetcher{
+			fetch: func(_ context.Context, nodeID ids.NodeID, _ *avalancheWarp.UnsignedMessage) (*bls.Signature, error) {
+				for i, matchingNodeID := range nodeIDs[:3] {
+					if matchingNodeID == nodeID {
+						return blsSignatures[i], nil
+					}
+				}
+				return nil, errors.New("what do we say to the god of death")
+			},
+		},
+		pChainHeight,
+		subnetID,
+		80,
+		80,
+		100,
+		&validators.TestState{
+			GetSubnetIDF:      getSubnetIDF,
+			GetCurrentHeightF: getCurrentHeightF,
+			GetValidatorSetF: func(ctx context.Context, height uint64, subnetID ids.ID) (map[ids.NodeID]*validators.GetValidatorOutput, error) {
+				res := make(map[ids.NodeID]*validators.GetValidatorOutput)
+				for i := 0; i < 5; i++ {
+					res[nodeIDs[i]] = &validators.GetValidatorOutput{
+						NodeID:    nodeIDs[i],
+						PublicKey: blsPublicKeys[i],
+						Weight:    100,
+					}
+				}
+				return res, nil
+			},
+		},
+		unsignedMsg,
+	)
+
+	executeSignatureAggregationTest(t, signatureAggregationTest{
+		ctx:         ctx,
+		job:         aggregationJob,
+		expectedErr: avalancheWarp.ErrInsufficientWeight,
+	})
+}
+
+func TestAggregateThresholdSignaturesBlockingRequests(t *testing.T) {
+	ctx := context.Background()
+	aggregationJob := newSignatureAggregationJob(
+		&mockFetcher{
+			fetch: func(ctx context.Context, nodeID ids.NodeID, _ *avalancheWarp.UnsignedMessage) (*bls.Signature, error) {
+				for i, matchingNodeID := range nodeIDs[:3] {
+					if matchingNodeID == nodeID {
+						return blsSignatures[i], nil
+					}
+				}
+
+				// Block until the context is cancelled and return the error if not available
+				<-ctx.Done()
+				return nil, ctx.Err()
+			},
+		},
+		pChainHeight,
+		subnetID,
+		60,
+		60,
+		100,
+		&validators.TestState{
+			GetSubnetIDF:      getSubnetIDF,
+			GetCurrentHeightF: getCurrentHeightF,
+			GetValidatorSetF: func(ctx context.Context, height uint64, subnetID ids.ID) (map[ids.NodeID]*validators.GetValidatorOutput, error) {
+				res := make(map[ids.NodeID]*validators.GetValidatorOutput)
+				for i := 0; i < 5; i++ {
+					res[nodeIDs[i]] = &validators.GetValidatorOutput{
+						NodeID:    nodeIDs[i],
+						PublicKey: blsPublicKeys[i],
+						Weight:    100,
+					}
+				}
+				return res, nil
+			},
+		},
+		unsignedMsg,
+	)
+
+	signature := &avalancheWarp.BitSetSignature{
+		Signers: set.NewBits(0, 1, 2).Bytes(),
+	}
+	signedMessage, err := avalancheWarp.NewMessage(unsignedMsg, signature)
+	require.NoError(t, err)
+	aggregateSignature, err := bls.AggregateSignatures(blsSignatures)
+	require.NoError(t, err)
+	copy(signature.Signature[:], bls.SignatureToBytes(aggregateSignature))
+	expectedRes := &AggregateSignatureResult{
+		SignatureWeight: 300,
+		TotalWeight:     500,
+		Message:         signedMessage,
+	}
+	executeSignatureAggregationTest(t, signatureAggregationTest{
+		ctx:         ctx,
+		job:         aggregationJob,
+		expectedRes: expectedRes,
+	})
+}
+
+func TestAggregateThresholdSignaturesParentCtxCancels(t *testing.T) {
+	ctx, cancel := context.WithCancel(context.Background())
+	cancel()
+	aggregationJob := newSignatureAggregationJob(
+		&mockFetcher{
+			fetch: func(ctx context.Context, nodeID ids.NodeID, _ *avalancheWarp.UnsignedMessage) (*bls.Signature, error) {
+				// Block until the context is cancelled and return the error if not available
+				<-ctx.Done()
+				return nil, ctx.Err()
+			},
+		},
+		pChainHeight,
+		subnetID,
+		60,
+		60,
+		100,
+		&validators.TestState{
+			GetSubnetIDF:      getSubnetIDF,
+			GetCurrentHeightF: getCurrentHeightF,
+			GetValidatorSetF: func(ctx context.Context, height uint64, subnetID ids.ID) (map[ids.NodeID]*validators.GetValidatorOutput, error) {
+				res := make(map[ids.NodeID]*validators.GetValidatorOutput)
+				for i := 0; i < 5; i++ {
+					res[nodeIDs[i]] = &validators.GetValidatorOutput{
+						NodeID:    nodeIDs[i],
+						PublicKey: blsPublicKeys[i],
+						Weight:    100,
+					}
+				}
+				return res, nil
+			},
+		},
+		unsignedMsg,
+	)
+
+	executeSignatureAggregationTest(t, signatureAggregationTest{
+		ctx:         ctx,
+		job:         aggregationJob,
+		expectedErr: avalancheWarp.ErrInsufficientWeight,
+	})
+}
diff --git a/warp/aggregator/aggregator.go b/warp/aggregator/aggregator.go
new file mode 100644
index 0000000000..3530d4a700
--- /dev/null
+++ b/warp/aggregator/aggregator.go
@@ -0,0 +1,51 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package aggregator
+
+import (
+	"context"
+
+	"github.com/ava-labs/avalanchego/ids"
+	"github.com/ava-labs/avalanchego/snow/validators"
+	avalancheWarp "github.com/ava-labs/avalanchego/vms/platformvm/warp"
+	"github.com/ava-labs/subnet-evm/params"
+)
+
+// Aggregator fulfills requests to aggregate signatures of a subnet's validator set for Avalanche Warp Messages.
+type Aggregator struct {
+	subnetID ids.ID
+	client   SignatureBackend
+	state    validators.State
+}
+
+// NewAggregator returns a signature aggregator, which will aggregate Warp Signatures for the given [
+func NewAggregator(subnetID ids.ID, state validators.State, client SignatureBackend) *Aggregator {
+	return &Aggregator{
+		subnetID: subnetID,
+		client:   client,
+		state:    state,
+	}
+}
+
+func (a *Aggregator) AggregateSignatures(ctx context.Context, unsignedMessage *avalancheWarp.UnsignedMessage, quorumNum uint64) (*AggregateSignatureResult, error) {
+	// Note: we use the current height as a best guess of the canonical validator set when the aggregated signature will be verified
+	// by the recipient chain. If the validator set changes from [pChainHeight] to the P-Chain height that is actually specified by the
+	// ProposerVM header when this message is verified, then the aggregate signature could become outdated and require re-aggregation.
+	pChainHeight, err := a.state.GetCurrentHeight(ctx)
+	if err != nil {
+		return nil, err
+	}
+	job := newSignatureAggregationJob(
+		a.client,
+		pChainHeight,
+		a.subnetID,
+		quorumNum,
+		quorumNum,
+		params.WarpQuorumDenominator,
+		a.state,
+		unsignedMessage,
+	)
+
+	return job.Execute(ctx)
+}
diff --git a/warp/aggregator/network_signature_backend.go b/warp/aggregator/network_signature_backend.go
new file mode 100644
index 0000000000..b4079e8a22
--- /dev/null
+++ b/warp/aggregator/network_signature_backend.go
@@ -0,0 +1,74 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package aggregator
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/ava-labs/avalanchego/ids"
+	"github.com/ava-labs/avalanchego/utils/crypto/bls"
+	avalancheWarp "github.com/ava-labs/avalanchego/vms/platformvm/warp"
+	"github.com/ava-labs/subnet-evm/plugin/evm/message"
+)
+
+const (
+	initialRetryFetchSignatureDelay = 100 * time.Millisecond
+	retryBackoffFactor              = 2
+)
+
+var _ SignatureBackend = (*NetworkSigner)(nil)
+
+type NetworkClient interface {
+	SendAppRequest(nodeID ids.NodeID, message []byte) ([]byte, error)
+}
+
+// NetworkSigner fetches warp signatures on behalf of the aggregator using VM App-Specific Messaging
+type NetworkSigner struct {
+	Client NetworkClient
+}
+
+// FetchWarpSignature attempts to fetch a BLS Signature of [unsignedWarpMessage] from [nodeID] until it succeeds or receives an invalid response
+//
+// Note: this function will continue attempting to fetch the signature from [nodeID] until it receives an invalid value or [ctx] is cancelled.
+// The caller is responsible to cancel [ctx] if it no longer needs to fetch this signature.
+func (s *NetworkSigner) FetchWarpSignature(ctx context.Context, nodeID ids.NodeID, unsignedWarpMessage *avalancheWarp.UnsignedMessage) (*bls.Signature, error) {
+	signatureReq := message.SignatureRequest{
+		MessageID: unsignedWarpMessage.ID(),
+	}
+	signatureReqBytes, err := message.RequestToBytes(message.Codec, signatureReq)
+	if err != nil {
+		return nil, fmt.Errorf("failed to marshal signature request: %w", err)
+	}
+
+	delay := initialRetryFetchSignatureDelay
+	for ctx.Err() == nil {
+		signatureRes, err := s.Client.SendAppRequest(nodeID, signatureReqBytes)
+		// If the client fails to retrieve a response perform an exponential backoff.
+		// Note: it is up to the caller to ensure that [ctx] is eventually cancelled
+		if err != nil {
+			select {
+			case <-ctx.Done():
+				break
+			case <-time.After(delay):
+			}
+			delay *= retryBackoffFactor
+			continue
+		}
+
+		var response message.SignatureResponse
+		if _, err := message.Codec.Unmarshal(signatureRes, &response); err != nil {
+			return nil, fmt.Errorf("failed to unmarshal signature res: %w", err)
+		}
+
+		blsSignature, err := bls.SignatureFromBytes(response.Signature[:])
+		if err != nil {
+			return nil, fmt.Errorf("failed to parse signature from res: %w", err)
+		}
+		return blsSignature, nil
+	}
+
+	return nil, fmt.Errorf("ctx expired fetching signature for message %s from %s: %w", unsignedWarpMessage.ID(), nodeID, ctx.Err())
+}
diff --git a/warp/aggregator/signature_job.go b/warp/aggregator/signature_job.go
new file mode 100644
index 0000000000..85fc91ab54
--- /dev/null
+++ b/warp/aggregator/signature_job.go
@@ -0,0 +1,60 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package aggregator
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"github.com/ava-labs/avalanchego/ids"
+	"github.com/ava-labs/avalanchego/utils/crypto/bls"
+	avalancheWarp "github.com/ava-labs/avalanchego/vms/platformvm/warp"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+)
+
+var errInvalidSignature = errors.New("invalid signature")
+
+// SignatureBackend defines the minimum network interface to perform signature aggregation
+type SignatureBackend interface {
+	// FetchWarpSignature attempts to fetch a BLS Signature from [nodeID] for [unsignedWarpMessage]
+	FetchWarpSignature(ctx context.Context, nodeID ids.NodeID, unsignedWarpMessage *avalancheWarp.UnsignedMessage) (*bls.Signature, error)
+}
+
+// signatureJob fetches a single signature using the injected dependency SignatureBackend and returns a verified signature of the requested message.
+type signatureJob struct {
+	backend SignatureBackend
+	msg     *avalancheWarp.UnsignedMessage
+
+	nodeID    ids.NodeID
+	publicKey *bls.PublicKey
+	weight    uint64
+}
+
+func (s *signatureJob) String() string {
+	return fmt.Sprintf("(NodeID: %s, UnsignedMsgID: %s)", s.nodeID, s.msg.ID())
+}
+
+func newSignatureJob(backend SignatureBackend, validator *avalancheWarp.Validator, msg *avalancheWarp.UnsignedMessage) *signatureJob {
+	return &signatureJob{
+		backend:   backend,
+		msg:       msg,
+		nodeID:    validator.NodeIDs[0], // TODO: update from a single nodeID to the original slice and use extra nodeIDs as backup.
+		publicKey: validator.PublicKey,
+		weight:    validator.Weight,
+	}
+}
+
+// Execute attempts to fetch the signature from the nodeID specified in this job and then verifies and returns the signature
+func (s *signatureJob) Execute(ctx context.Context) (*bls.Signature, error) {
+	signature, err := s.backend.FetchWarpSignature(ctx, s.nodeID, s.msg)
+	if err != nil {
+		return nil, err
+	}
+
+	if !bls.Verify(s.publicKey, signature, s.msg.Bytes()) {
+		return nil, fmt.Errorf("%w: node %s returned invalid signature %s for msg %s", errInvalidSignature, s.nodeID, hexutil.Bytes(bls.SignatureToBytes(signature)), s.msg.ID())
+	}
+	return signature, nil
+}
diff --git a/warp/aggregator/signature_job_test.go b/warp/aggregator/signature_job_test.go
new file mode 100644
index 0000000000..0ed52a0eeb
--- /dev/null
+++ b/warp/aggregator/signature_job_test.go
@@ -0,0 +1,140 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package aggregator
+
+import (
+	"context"
+	"errors"
+	"testing"
+
+	"github.com/ava-labs/avalanchego/ids"
+	"github.com/ava-labs/avalanchego/utils/crypto/bls"
+	avalancheWarp "github.com/ava-labs/avalanchego/vms/platformvm/warp"
+	"github.com/stretchr/testify/require"
+)
+
+type mockFetcher struct {
+	fetch func(ctx context.Context, nodeID ids.NodeID, unsignedWarpMessage *avalancheWarp.UnsignedMessage) (*bls.Signature, error)
+}
+
+func (m *mockFetcher) FetchWarpSignature(ctx context.Context, nodeID ids.NodeID, unsignedWarpMessage *avalancheWarp.UnsignedMessage) (*bls.Signature, error) {
+	return m.fetch(ctx, nodeID, unsignedWarpMessage)
+}
+
+var (
+	nodeIDs       []ids.NodeID
+	blsSecretKeys []*bls.SecretKey
+	blsPublicKeys []*bls.PublicKey
+	networkID     uint32 = 54321
+	sourceChainID        = ids.GenerateTestID()
+	unsignedMsg   *avalancheWarp.UnsignedMessage
+	blsSignatures []*bls.Signature
+)
+
+func init() {
+	var err error
+	unsignedMsg, err = avalancheWarp.NewUnsignedMessage(networkID, sourceChainID, []byte{1, 2, 3})
+	if err != nil {
+		panic(err)
+	}
+	for i := 0; i < 5; i++ {
+		nodeIDs = append(nodeIDs, ids.GenerateTestNodeID())
+
+		blsSecretKey, err := bls.NewSecretKey()
+		if err != nil {
+			panic(err)
+		}
+		blsPublicKey := bls.PublicFromSecretKey(blsSecretKey)
+		blsSignature := bls.Sign(blsSecretKey, unsignedMsg.Bytes())
+		blsSecretKeys = append(blsSecretKeys, blsSecretKey)
+		blsPublicKeys = append(blsPublicKeys, blsPublicKey)
+		blsSignatures = append(blsSignatures, blsSignature)
+	}
+}
+
+type signatureJobTest struct {
+	ctx               context.Context
+	job               *signatureJob
+	expectedSignature *bls.Signature
+	expectedErr       error
+}
+
+func executeSignatureJobTest(t testing.TB, test signatureJobTest) {
+	t.Helper()
+
+	blsSignature, err := test.job.Execute(test.ctx)
+	if test.expectedErr != nil {
+		require.ErrorIs(t, err, test.expectedErr)
+		return
+	}
+	require.NoError(t, err)
+	require.Equal(t, bls.SignatureToBytes(blsSignature), bls.SignatureToBytes(test.expectedSignature))
+}
+
+func TestSignatureRequestSuccess(t *testing.T) {
+	job := newSignatureJob(
+		&mockFetcher{
+			fetch: func(context.Context, ids.NodeID, *avalancheWarp.UnsignedMessage) (*bls.Signature, error) {
+				return blsSignatures[0], nil
+			},
+		},
+		&avalancheWarp.Validator{
+			NodeIDs:   nodeIDs[:1],
+			PublicKey: blsPublicKeys[0],
+			Weight:    10,
+		},
+		unsignedMsg,
+	)
+
+	executeSignatureJobTest(t, signatureJobTest{
+		ctx:               context.Background(),
+		job:               job,
+		expectedSignature: blsSignatures[0],
+	})
+}
+
+func TestSignatureRequestFails(t *testing.T) {
+	err := errors.New("expected error")
+	job := newSignatureJob(
+		&mockFetcher{
+			fetch: func(context.Context, ids.NodeID, *avalancheWarp.UnsignedMessage) (*bls.Signature, error) {
+				return nil, err
+			},
+		},
+		&avalancheWarp.Validator{
+			NodeIDs:   nodeIDs[:1],
+			PublicKey: blsPublicKeys[0],
+			Weight:    10,
+		},
+		unsignedMsg,
+	)
+
+	executeSignatureJobTest(t, signatureJobTest{
+		ctx:         context.Background(),
+		job:         job,
+		expectedErr: err,
+	})
+}
+
+func TestSignatureRequestInvalidSignature(t *testing.T) {
+	job := newSignatureJob(
+		&mockFetcher{
+			fetch: func(context.Context, ids.NodeID, *avalancheWarp.UnsignedMessage) (*bls.Signature, error) {
+				return blsSignatures[1], nil
+			},
+		},
+		&avalancheWarp.Validator{
+			NodeIDs:   nodeIDs[:1],
+			PublicKey: blsPublicKeys[0],
+			Weight:    10,
+		},
+		unsignedMsg,
+	)
+
+	executeSignatureJobTest(t, signatureJobTest{
+		ctx:         context.Background(),
+		job:         job,
+		expectedErr: errInvalidSignature,
+	})
+}
diff --git a/warp/backend.go b/warp/backend.go
index b9df23502a..15ba70629b 100644
--- a/warp/backend.go
+++ b/warp/backend.go
@@ -11,8 +11,8 @@ import (
 	"github.com/ava-labs/avalanchego/ids"
 	"github.com/ava-labs/avalanchego/snow"
 	"github.com/ava-labs/avalanchego/utils/crypto/bls"
-	"github.com/ava-labs/avalanchego/utils/hashing"
 	avalancheWarp "github.com/ava-labs/avalanchego/vms/platformvm/warp"
+	"github.com/ethereum/go-ethereum/log"
 )
 
 var _ WarpBackend = &warpBackend{}
@@ -25,6 +25,12 @@ type WarpBackend interface {
 
 	// GetSignature returns the signature of the requested message hash.
 	GetSignature(messageHash ids.ID) ([bls.SignatureLen]byte, error)
+
+	// GetMessage retrieves the [unsignedMessage] from the warp backend database if available
+	GetMessage(messageHash ids.ID) (*avalancheWarp.UnsignedMessage, error)
+
+	// Clear clears the entire db
+	Clear() error
 }
 
 // warpBackend implements WarpBackend, keeps track of warp messages, and generates message signatures.
@@ -32,19 +38,26 @@ type warpBackend struct {
 	db             database.Database
 	snowCtx        *snow.Context
 	signatureCache *cache.LRU[ids.ID, [bls.SignatureLen]byte]
+	messageCache   *cache.LRU[ids.ID, *avalancheWarp.UnsignedMessage]
 }
 
 // NewWarpBackend creates a new WarpBackend, and initializes the signature cache and message tracking database.
-func NewWarpBackend(snowCtx *snow.Context, db database.Database, signatureCacheSize int) WarpBackend {
+func NewWarpBackend(snowCtx *snow.Context, db database.Database, cacheSize int) WarpBackend {
 	return &warpBackend{
 		db:             db,
 		snowCtx:        snowCtx,
-		signatureCache: &cache.LRU[ids.ID, [bls.SignatureLen]byte]{Size: signatureCacheSize},
+		signatureCache: &cache.LRU[ids.ID, [bls.SignatureLen]byte]{Size: cacheSize},
+		messageCache:   &cache.LRU[ids.ID, *avalancheWarp.UnsignedMessage]{Size: cacheSize},
 	}
 }
 
+func (w *warpBackend) Clear() error {
+	w.signatureCache.Flush()
+	return database.Clear(w.db, w.db)
+}
+
 func (w *warpBackend) AddMessage(unsignedMessage *avalancheWarp.UnsignedMessage) error {
-	messageID := hashing.ComputeHash256Array(unsignedMessage.Bytes())
+	messageID := unsignedMessage.ID()
 
 	// In the case when a node restarts, and possibly changes its bls key, the cache gets emptied but the database does not.
 	// So to avoid having incorrect signatures saved in the database after a bls key change, we save the full message in the database.
@@ -61,24 +74,21 @@ func (w *warpBackend) AddMessage(unsignedMessage *avalancheWarp.UnsignedMessage)
 
 	copy(signature[:], sig)
 	w.signatureCache.Put(messageID, signature)
+	log.Debug("Adding warp message to backend", "messageID", messageID)
 	return nil
 }
 
 func (w *warpBackend) GetSignature(messageID ids.ID) ([bls.SignatureLen]byte, error) {
+	log.Debug("Getting warp message from backend", "messageID", messageID)
 	if sig, ok := w.signatureCache.Get(messageID); ok {
 		return sig, nil
 	}
 
-	unsignedMessageBytes, err := w.db.Get(messageID[:])
+	unsignedMessage, err := w.GetMessage(messageID)
 	if err != nil {
 		return [bls.SignatureLen]byte{}, fmt.Errorf("failed to get warp message %s from db: %w", messageID.String(), err)
 	}
 
-	unsignedMessage, err := avalancheWarp.ParseUnsignedMessage(unsignedMessageBytes)
-	if err != nil {
-		return [bls.SignatureLen]byte{}, fmt.Errorf("failed to parse unsigned message %s: %w", messageID.String(), err)
-	}
-
 	var signature [bls.SignatureLen]byte
 	sig, err := w.snowCtx.WarpSigner.Sign(unsignedMessage)
 	if err != nil {
@@ -89,3 +99,22 @@ func (w *warpBackend) GetSignature(messageID ids.ID) ([bls.SignatureLen]byte, er
 	w.signatureCache.Put(messageID, signature)
 	return signature, nil
 }
+
+func (w *warpBackend) GetMessage(messageID ids.ID) (*avalancheWarp.UnsignedMessage, error) {
+	if message, ok := w.messageCache.Get(messageID); ok {
+		return message, nil
+	}
+
+	unsignedMessageBytes, err := w.db.Get(messageID[:])
+	if err != nil {
+		return nil, fmt.Errorf("failed to get warp message %s from db: %w", messageID.String(), err)
+	}
+
+	unsignedMessage, err := avalancheWarp.ParseUnsignedMessage(unsignedMessageBytes)
+	if err != nil {
+		return nil, fmt.Errorf("failed to parse unsigned message %s: %w", messageID.String(), err)
+	}
+	w.messageCache.Put(messageID, unsignedMessage)
+
+	return unsignedMessage, nil
+}
diff --git a/warp/backend_test.go b/warp/backend_test.go
index a131bf5e85..0834b97e39 100644
--- a/warp/backend_test.go
+++ b/warp/backend_test.go
@@ -16,28 +16,64 @@ import (
 )
 
 var (
-	sourceChainID      = ids.GenerateTestID()
-	destinationChainID = ids.GenerateTestID()
-	payload            = []byte("test")
+	networkID     uint32 = 54321
+	sourceChainID        = ids.GenerateTestID()
+	payload              = []byte("test")
 )
 
+func TestClearDB(t *testing.T) {
+	db := memdb.New()
+
+	snowCtx := snow.DefaultContextTest()
+	sk, err := bls.NewSecretKey()
+	require.NoError(t, err)
+	snowCtx.WarpSigner = avalancheWarp.NewSigner(sk, networkID, sourceChainID)
+	backend := NewWarpBackend(snowCtx, db, 500)
+
+	// use multiple messages to test that all messages get cleared
+	payloads := [][]byte{[]byte("test1"), []byte("test2"), []byte("test3"), []byte("test4"), []byte("test5")}
+	messageIDs := []ids.ID{}
+
+	// add all messages
+	for _, payload := range payloads {
+		unsignedMsg, err := avalancheWarp.NewUnsignedMessage(networkID, sourceChainID, payload)
+		require.NoError(t, err)
+		messageID := hashing.ComputeHash256Array(unsignedMsg.Bytes())
+		messageIDs = append(messageIDs, messageID)
+		err = backend.AddMessage(unsignedMsg)
+		require.NoError(t, err)
+		// ensure that the message was added
+		_, err = backend.GetSignature(messageID)
+		require.NoError(t, err)
+	}
+
+	err = backend.Clear()
+	require.NoError(t, err)
+
+	// ensure all messages have been deleted
+	for _, messageID := range messageIDs {
+		_, err := backend.GetSignature(messageID)
+		require.ErrorContains(t, err, "failed to get warp message")
+	}
+}
+
 func TestAddAndGetValidMessage(t *testing.T) {
 	db := memdb.New()
 
 	snowCtx := snow.DefaultContextTest()
 	sk, err := bls.NewSecretKey()
 	require.NoError(t, err)
-	snowCtx.WarpSigner = avalancheWarp.NewSigner(sk, sourceChainID)
+	snowCtx.WarpSigner = avalancheWarp.NewSigner(sk, networkID, sourceChainID)
 	backend := NewWarpBackend(snowCtx, db, 500)
 
 	// Create a new unsigned message and add it to the warp backend.
-	unsignedMsg, err := avalancheWarp.NewUnsignedMessage(sourceChainID, destinationChainID, payload)
+	unsignedMsg, err := avalancheWarp.NewUnsignedMessage(networkID, sourceChainID, payload)
 	require.NoError(t, err)
 	err = backend.AddMessage(unsignedMsg)
 	require.NoError(t, err)
 
 	// Verify that a signature is returned successfully, and compare to expected signature.
-	messageID := hashing.ComputeHash256Array(unsignedMsg.Bytes())
+	messageID := unsignedMsg.ID()
 	signature, err := backend.GetSignature(messageID)
 	require.NoError(t, err)
 
@@ -50,11 +86,11 @@ func TestAddAndGetUnknownMessage(t *testing.T) {
 	db := memdb.New()
 
 	backend := NewWarpBackend(snow.DefaultContextTest(), db, 500)
-	unsignedMsg, err := avalancheWarp.NewUnsignedMessage(sourceChainID, destinationChainID, payload)
+	unsignedMsg, err := avalancheWarp.NewUnsignedMessage(networkID, sourceChainID, payload)
 	require.NoError(t, err)
 
 	// Try getting a signature for a message that was not added.
-	messageID := hashing.ComputeHash256Array(unsignedMsg.Bytes())
+	messageID := unsignedMsg.ID()
 	_, err = backend.GetSignature(messageID)
 	require.Error(t, err)
 }
@@ -65,19 +101,19 @@ func TestZeroSizedCache(t *testing.T) {
 	snowCtx := snow.DefaultContextTest()
 	sk, err := bls.NewSecretKey()
 	require.NoError(t, err)
-	snowCtx.WarpSigner = avalancheWarp.NewSigner(sk, sourceChainID)
+	snowCtx.WarpSigner = avalancheWarp.NewSigner(sk, networkID, sourceChainID)
 
 	// Verify zero sized cache works normally, because the lru cache will be initialized to size 1 for any size parameter <= 0.
 	backend := NewWarpBackend(snowCtx, db, 0)
 
 	// Create a new unsigned message and add it to the warp backend.
-	unsignedMsg, err := avalancheWarp.NewUnsignedMessage(sourceChainID, destinationChainID, payload)
+	unsignedMsg, err := avalancheWarp.NewUnsignedMessage(networkID, sourceChainID, payload)
 	require.NoError(t, err)
 	err = backend.AddMessage(unsignedMsg)
 	require.NoError(t, err)
 
 	// Verify that a signature is returned successfully, and compare to expected signature.
-	messageID := hashing.ComputeHash256Array(unsignedMsg.Bytes())
+	messageID := unsignedMsg.ID()
 	signature, err := backend.GetSignature(messageID)
 	require.NoError(t, err)
 
diff --git a/warp/handlers/signature_request.go b/warp/handlers/signature_request.go
index 992adc07f0..f47a34fd95 100644
--- a/warp/handlers/signature_request.go
+++ b/warp/handlers/signature_request.go
@@ -9,6 +9,7 @@ import (
 
 	"github.com/ava-labs/avalanchego/codec"
 	"github.com/ava-labs/avalanchego/ids"
+	"github.com/ava-labs/avalanchego/utils/crypto/bls"
 	"github.com/ava-labs/subnet-evm/plugin/evm/message"
 	"github.com/ava-labs/subnet-evm/warp"
 	"github.com/ava-labs/subnet-evm/warp/handlers/stats"
@@ -54,7 +55,16 @@ func (s *signatureRequestHandler) OnSignatureRequest(ctx context.Context, nodeID
 	if err != nil {
 		log.Debug("Unknown warp signature requested", "messageID", signatureRequest.MessageID)
 		s.stats.IncSignatureMiss()
-		return nil, nil
+
+		// Return empty response because the message was not found in backend,
+		// instead of returning nil, which would drop message response.
+		emptyResponse := message.SignatureResponse{Signature: [bls.SignatureLen]byte{}}
+		emptyResponseBytes, err := s.codec.Marshal(message.Version, &emptyResponse)
+		if err != nil {
+			log.Warn("could not marshal SignatureResponse, dropping request", "nodeID", nodeID, "requestID", requestID, "err", err)
+			return nil, nil
+		}
+		return emptyResponseBytes, nil
 	}
 
 	s.stats.IncSignatureHit()
diff --git a/warp/handlers/signature_request_test.go b/warp/handlers/signature_request_test.go
index a986deb80a..b431f71e9e 100644
--- a/warp/handlers/signature_request_test.go
+++ b/warp/handlers/signature_request_test.go
@@ -12,7 +12,6 @@ import (
 	"github.com/ava-labs/avalanchego/ids"
 	"github.com/ava-labs/avalanchego/snow"
 	"github.com/ava-labs/avalanchego/utils/crypto/bls"
-	"github.com/ava-labs/avalanchego/utils/hashing"
 	avalancheWarp "github.com/ava-labs/avalanchego/vms/platformvm/warp"
 	"github.com/ava-labs/subnet-evm/plugin/evm/message"
 	"github.com/ava-labs/subnet-evm/warp"
@@ -26,18 +25,19 @@ func TestSignatureHandler(t *testing.T) {
 	blsSecretKey, err := bls.NewSecretKey()
 	require.NoError(t, err)
 
-	snowCtx.WarpSigner = avalancheWarp.NewSigner(blsSecretKey, snowCtx.ChainID)
+	snowCtx.WarpSigner = avalancheWarp.NewSigner(blsSecretKey, snowCtx.NetworkID, snowCtx.ChainID)
 	warpBackend := warp.NewWarpBackend(snowCtx, database, 100)
 
-	msg, err := avalancheWarp.NewUnsignedMessage(snowCtx.ChainID, snowCtx.CChainID, []byte("test"))
+	msg, err := avalancheWarp.NewUnsignedMessage(snowCtx.NetworkID, snowCtx.ChainID, []byte("test"))
 	require.NoError(t, err)
 
-	messageID := hashing.ComputeHash256Array(msg.Bytes())
+	messageID := msg.ID()
 	require.NoError(t, warpBackend.AddMessage(msg))
 	signature, err := warpBackend.GetSignature(messageID)
 	require.NoError(t, err)
 	unknownMessageID := ids.GenerateTestID()
 
+	emptySignature := [bls.SignatureLen]byte{}
 	mockHandlerStats := &stats.MockSignatureRequestHandlerStats{}
 	signatureRequestHandler := NewSignatureRequestHandler(warpBackend, message.Codec, mockHandlerStats)
 
@@ -62,7 +62,7 @@ func TestSignatureHandler(t *testing.T) {
 			setup: func() (request message.SignatureRequest, expectedResponse []byte) {
 				return message.SignatureRequest{
 					MessageID: unknownMessageID,
-				}, nil
+				}, emptySignature[:]
 			},
 			verifyStats: func(t *testing.T, stats *stats.MockSignatureRequestHandlerStats) {
 				require.EqualValues(t, 1, mockHandlerStats.SignatureRequestCount)
diff --git a/warp/handlers/stats/stats.go b/warp/handlers/stats/stats.go
index 2cc593667e..dab8be34f8 100644
--- a/warp/handlers/stats/stats.go
+++ b/warp/handlers/stats/stats.go
@@ -30,11 +30,7 @@ type handlerStats struct {
 	signatureProcessingTime metrics.Timer
 }
 
-func NewStats(enabled bool) SignatureRequestHandlerStats {
-	if !enabled {
-		return &MockSignatureRequestHandlerStats{}
-	}
-
+func NewStats() SignatureRequestHandlerStats {
 	return &handlerStats{
 		signatureRequest:        metrics.GetOrRegisterCounter("signature_request_count", nil),
 		signatureHit:            metrics.GetOrRegisterCounter("signature_request_hit", nil),
diff --git a/warp/payload/codec.go b/warp/payload/codec.go
new file mode 100644
index 0000000000..11be9b6aff
--- /dev/null
+++ b/warp/payload/codec.go
@@ -0,0 +1,31 @@
+// Copyright (C) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package payload
+
+import (
+	"math"
+
+	"github.com/ava-labs/avalanchego/codec"
+	"github.com/ava-labs/avalanchego/codec/linearcodec"
+	"github.com/ava-labs/avalanchego/utils/wrappers"
+)
+
+const codecVersion = 0
+
+// Codec does serialization and deserialization for Warp messages.
+var c codec.Manager
+
+func init() {
+	c = codec.NewManager(math.MaxInt)
+	lc := linearcodec.NewCustomMaxLength(math.MaxInt32)
+
+	errs := wrappers.Errs{}
+	errs.Add(
+		lc.RegisterType(&AddressedPayload{}),
+		c.RegisterCodec(codecVersion, lc),
+	)
+	if errs.Errored() {
+		panic(errs.Err)
+	}
+}
diff --git a/warp/payload/payload.go b/warp/payload/payload.go
new file mode 100644
index 0000000000..c996e0687d
--- /dev/null
+++ b/warp/payload/payload.go
@@ -0,0 +1,64 @@
+// Copyright (C) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package payload
+
+import (
+	"fmt"
+
+	"github.com/ethereum/go-ethereum/common"
+)
+
+// AddressedPayload defines the format for delivering a point to point message across VMs
+// ie. (ChainA, AddressA) -> (ChainB, AddressB)
+type AddressedPayload struct {
+	SourceAddress      common.Address `serialize:"true"`
+	DestinationChainID common.Hash    `serialize:"true"`
+	DestinationAddress common.Address `serialize:"true"`
+	Payload            []byte         `serialize:"true"`
+
+	bytes []byte
+}
+
+// NewAddressedPayload creates a new *AddressedPayload and initializes it.
+func NewAddressedPayload(sourceAddress common.Address, destinationChainID common.Hash, destinationAddress common.Address, payload []byte) (*AddressedPayload, error) {
+	ap := &AddressedPayload{
+		SourceAddress:      sourceAddress,
+		DestinationChainID: destinationChainID,
+		DestinationAddress: destinationAddress,
+		Payload:            payload,
+	}
+	return ap, ap.initialize()
+}
+
+// ParseAddressedPayload converts a slice of bytes into an initialized
+// AddressedPayload.
+func ParseAddressedPayload(b []byte) (*AddressedPayload, error) {
+	var unmarshalledPayloadIntf any
+	if _, err := c.Unmarshal(b, &unmarshalledPayloadIntf); err != nil {
+		return nil, err
+	}
+	payload, ok := unmarshalledPayloadIntf.(*AddressedPayload)
+	if !ok {
+		return nil, fmt.Errorf("failed to parse unexpected type %T as addressed payload", unmarshalledPayloadIntf)
+	}
+	payload.bytes = b
+	return payload, nil
+}
+
+// initialize recalculates the result of Bytes().
+func (a *AddressedPayload) initialize() error {
+	aIntf := any(a)
+	bytes, err := c.Marshal(codecVersion, &aIntf)
+	if err != nil {
+		return fmt.Errorf("couldn't marshal warp addressed payload: %w", err)
+	}
+	a.bytes = bytes
+	return nil
+}
+
+// Bytes returns the binary representation of this payload. It assumes that the
+// payload is initialized from either NewAddressedPayload or ParseAddressedPayload.
+func (a *AddressedPayload) Bytes() []byte {
+	return a.bytes
+}
diff --git a/warp/payload/payload_test.go b/warp/payload/payload_test.go
new file mode 100644
index 0000000000..bc8d47db2d
--- /dev/null
+++ b/warp/payload/payload_test.go
@@ -0,0 +1,54 @@
+// Copyright (C) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package payload
+
+import (
+	"encoding/base64"
+	"testing"
+
+	"github.com/ava-labs/avalanchego/ids"
+	"github.com/ava-labs/avalanchego/utils"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/stretchr/testify/require"
+)
+
+func TestAddressedPayload(t *testing.T) {
+	require := require.New(t)
+
+	addressedPayload, err := NewAddressedPayload(
+		common.Address(ids.GenerateTestShortID()),
+		common.Hash(ids.GenerateTestID()),
+		common.Address(ids.GenerateTestShortID()),
+		[]byte("payload"),
+	)
+	require.NoError(err)
+
+	addressedPayloadBytes := addressedPayload.Bytes()
+	addressedPayload2, err := ParseAddressedPayload(addressedPayloadBytes)
+	require.NoError(err)
+	require.Equal(addressedPayload, addressedPayload2)
+}
+
+func TestParseAddressedPayloadJunk(t *testing.T) {
+	_, err := ParseAddressedPayload(utils.RandomBytes(1024))
+	require.Error(t, err)
+}
+
+func TestParseAddressedPayload(t *testing.T) {
+	base64Payload := "AAAAAAAAAQIDAAAAAAAAAAAAAAAAAAAAAAAEBQYAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAcICQAAAAAAAAAAAAAAAAAAAAAAAAAAAwoLDA=="
+	payload := &AddressedPayload{
+		SourceAddress:      common.Address{1, 2, 3},
+		DestinationChainID: common.Hash{4, 5, 6},
+		DestinationAddress: common.Address{7, 8, 9},
+		Payload:            []byte{10, 11, 12},
+	}
+
+	require.NoError(t, payload.initialize())
+
+	require.Equal(t, base64Payload, base64.StdEncoding.EncodeToString(payload.Bytes()))
+
+	parsedPayload, err := ParseAddressedPayload(payload.Bytes())
+	require.NoError(t, err)
+	require.Equal(t, payload, parsedPayload)
+}
diff --git a/warp/validators/state.go b/warp/validators/state.go
new file mode 100644
index 0000000000..c2929a5807
--- /dev/null
+++ b/warp/validators/state.go
@@ -0,0 +1,51 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package validators
+
+import (
+	"context"
+
+	"github.com/ava-labs/avalanchego/ids"
+	"github.com/ava-labs/avalanchego/snow"
+	"github.com/ava-labs/avalanchego/snow/validators"
+	"github.com/ava-labs/avalanchego/utils/constants"
+)
+
+var _ validators.State = (*State)(nil)
+
+// State provides a special case used to handle Avalanche Warp Message verification for messages sent
+// from the Primary Network. Subnets have strictly fewer validators than the Primary Network, so we require
+// signatures from a threshold of the RECEIVING subnet validator set rather than the full Primary Network
+// since the receiving subnet already relies on a majority of its validators being correct.
+type State struct {
+	chainContext *snow.Context
+	validators.State
+}
+
+// NewState returns a wrapper of [validators.State] which special cases the handling of the Primary Network.
+//
+// The wrapped state will return the chainContext's Subnet validator set instead of the Primary Network when
+// the Primary Network SubnetID is passed in.
+func NewState(chainContext *snow.Context) *State {
+	return &State{
+		chainContext: chainContext,
+		State:        chainContext.ValidatorState,
+	}
+}
+
+func (s *State) GetValidatorSet(
+	ctx context.Context,
+	height uint64,
+	subnetID ids.ID,
+) (map[ids.NodeID]*validators.GetValidatorOutput, error) {
+	// If the subnetID is anything other than the Primary Network, this is a direct
+	// passthrough
+	if subnetID != constants.PrimaryNetworkID {
+		return s.State.GetValidatorSet(ctx, height, subnetID)
+	}
+
+	// If the requested subnet is the primary network, then we return the validator
+	// set for the Subnet that is receiving the message instead.
+	return s.State.GetValidatorSet(ctx, height, s.chainContext.SubnetID)
+}
diff --git a/warp/warp_client.go b/warp/warp_client.go
index bfa4638efb..2f338d4d46 100644
--- a/warp/warp_client.go
+++ b/warp/warp_client.go
@@ -16,6 +16,7 @@ var _ WarpClient = (*warpClient)(nil)
 
 type WarpClient interface {
 	GetSignature(ctx context.Context, messageID ids.ID) ([]byte, error)
+	GetAggregateSignature(ctx context.Context, messageID ids.ID, quorumNum uint64) ([]byte, error)
 }
 
 // warpClient implementation for interacting with EVM [chain]
@@ -43,3 +44,13 @@ func (c *warpClient) GetSignature(ctx context.Context, messageID ids.ID) ([]byte
 	}
 	return res, err
 }
+
+// GetAggregateSignature requests the aggregate signature associated with messageID
+func (c *warpClient) GetAggregateSignature(ctx context.Context, messageID ids.ID, quorumNum uint64) ([]byte, error) {
+	var res hexutil.Bytes
+	err := c.client.CallContext(ctx, &res, "warp_getAggregateSignature", messageID, quorumNum)
+	if err != nil {
+		return nil, fmt.Errorf("call to warp_getAggregateSignature failed. err: %w", err)
+	}
+	return res, err
+}
diff --git a/warp/warp_client_fetcher.go b/warp/warp_client_fetcher.go
new file mode 100644
index 0000000000..61d16d70ca
--- /dev/null
+++ b/warp/warp_client_fetcher.go
@@ -0,0 +1,41 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package warp
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/ava-labs/avalanchego/ids"
+	"github.com/ava-labs/avalanchego/utils/crypto/bls"
+	avalancheWarp "github.com/ava-labs/avalanchego/vms/platformvm/warp"
+)
+
+type warpAPIFetcher struct {
+	clients map[ids.NodeID]WarpClient
+}
+
+func NewWarpAPIFetcher(clients map[ids.NodeID]WarpClient) *warpAPIFetcher {
+	return &warpAPIFetcher{
+		clients: clients,
+	}
+}
+
+func (f *warpAPIFetcher) FetchWarpSignature(ctx context.Context, nodeID ids.NodeID, unsignedWarpMessage *avalancheWarp.UnsignedMessage) (*bls.Signature, error) {
+	client, ok := f.clients[nodeID]
+	if !ok {
+		return nil, fmt.Errorf("no warp client for nodeID: %s", nodeID)
+	}
+
+	signatureBytes, err := client.GetSignature(ctx, unsignedWarpMessage.ID())
+	if err != nil {
+		return nil, err
+	}
+
+	signature, err := bls.SignatureFromBytes(signatureBytes)
+	if err != nil {
+		return nil, fmt.Errorf("failed to parse signature from client %s: %w", nodeID, err)
+	}
+	return signature, nil
+}
diff --git a/warp/warp_service.go b/warp/warp_service.go
index 329088307e..82481e9251 100644
--- a/warp/warp_service.go
+++ b/warp/warp_service.go
@@ -8,19 +8,45 @@ import (
 	"fmt"
 
 	"github.com/ava-labs/avalanchego/ids"
+	"github.com/ava-labs/subnet-evm/warp/aggregator"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 )
 
 // WarpAPI introduces snowman specific functionality to the evm
 type WarpAPI struct {
-	Backend WarpBackend
+	backend    WarpBackend
+	aggregator *aggregator.Aggregator
+}
+
+func NewWarpAPI(backend WarpBackend, aggregator *aggregator.Aggregator) *WarpAPI {
+	return &WarpAPI{
+		backend:    backend,
+		aggregator: aggregator,
+	}
 }
 
 // GetSignature returns the BLS signature associated with a messageID.
 func (api *WarpAPI) GetSignature(ctx context.Context, messageID ids.ID) (hexutil.Bytes, error) {
-	signature, err := api.Backend.GetSignature(messageID)
+	signature, err := api.backend.GetSignature(messageID)
 	if err != nil {
 		return nil, fmt.Errorf("failed to get signature for with error %w", err)
 	}
 	return signature[:], nil
 }
+
+// GetAggregateSignature fetches the aggregate signature for the requested [messageID]
+func (api *WarpAPI) GetAggregateSignature(ctx context.Context, messageID ids.ID, quorumNum uint64) (signedMessageBytes hexutil.Bytes, err error) {
+	unsignedMessage, err := api.backend.GetMessage(messageID)
+	if err != nil {
+		return nil, err
+	}
+
+	signatureResult, err := api.aggregator.AggregateSignatures(ctx, unsignedMessage, quorumNum)
+	if err != nil {
+		return nil, err
+	}
+	// TODO: return the signature and total weight as well to the caller for more complete details
+	// Need to decide on the best UI for this and write up documentation with the potential
+	// gotchas that could impact signed messages becoming invalid.
+	return hexutil.Bytes(signatureResult.Message.Bytes()), nil
+}
diff --git a/x/warp/README.md b/x/warp/README.md
new file mode 100644
index 0000000000..4b10920669
--- /dev/null
+++ b/x/warp/README.md
@@ -0,0 +1,192 @@
+# Avalanche Warp Messaging
+
+> **Warning**
+> Avalanche Warp Messaging is currently in experimental mode to be used only on ephemeral test networks.
+>
+> Breaking changes to Avalanche Warp Messaging integration into Subnet-EVM may still be made.
+
+Avalanche Warp Messaging offers a basic primitive to enable Cross-Subnet communication on the Avalanche Network.
+
+It is intended to allow communication between arbitrary Custom Virtual Machines (including, but not limited to Subnet-EVM).
+
+## How does Avalanche Warp Messaging Work
+
+Avalanche Warp Messaging relies on the Avalanche P-Chain to provide a read-only view of every Subnet's validator set. In Avalanche, the P-Chain is used to maintain the Primary Network's validator set, create new subnets and blockchains, and maintain the validator sets of each Subnet. As of the Banff Upgrade, Avalanche enables registering a BLS Public Key alongside a validator.
+
+In order to be a validator of an Avalanche Subnet, a node must also validate the Avalanche Primary Network. This means each Subnet validator has read access to the P-Chain state.
+
+With just those two things:
+- Read access to all Subnet validator sets through the P-Chain
+- BLS Public Keys registered on the P-Chain
+
+We can build a generic Avalanche Warp Messaging Protocol. :point_down:
+
+### Subnet to Subnet
+
+The validator set of Subnet A can send a message on behalf of any blockchain on its Subnet.
+
+For example, let's say that there are two Subnets: Subnet A and Subnet B each with a single Blockchain we'll call Blockchain A and Blockchain B.
+
+First, Blockchain A produces a BLS Multisignature of a message to send to Blockchain B:
+
+1. A transaction is issued on Blockchain A to send a message to Subnet B
+2. The transaction is accepted on Blockchain A (must wait for acceptance)
+3. The VM powering Blockchain A (ex: Subnet-EVM) should either
+    a) be willing to sign the message to allow an off-chain relayer to aggregate signatures from the Subnet's validator set (existing implementation)
+    b) aggregate signatures from the validator set of Subnet A to produce its own aggregate signature
+
+The signature of Subnet A's validator set attests to the message being sent by Blockchain A.
+
+To receive the message, Blockchain B must be running a Snowman VM that is wrapped in the Snowman++ ProposerVM. The ProposerVM provides the P-Chain Context which a block on Blockchain B was issued in. See [here](https://github.com/ava-labs/avalanchego/tree/v1.10.4/vms/proposervm#snowman-block-extension) for more details on the ProposerVM block wrapper. The ProposerVM header includes a P-Chain height at which the block was validated. This P-Chain height determines the canonical state of the P-Chain to use for verification of all Avalanche Warp Messages.
+
+To validate and deliver the message, an off-chain component delivers the signed message from Blockchain A to Blockchain B (this is out of scope for Avalanche Warp Messaging itself).
+
+When Blockchain B receives the message, it validates and delivers/executes the message:
+
+1. Read the SourceChainID of the signed message (Blockchain A)
+2. Look up the SubnetID that validates Blockchain A: Subnet A
+3. Look up the validator set of Subnet A and the registered BLS Public Keys of Subnet A at the P-Chain height specified by the ProposerVM header
+4. Filter the validators of Subnet A to include only the validators that the signed message claims as signers
+5. Verify the claimed included validators represent a sufficient quorum of stake to verify the message
+6. Aggregate the BLS Public Keys of the claimed signers into an aggregated BLS Public Key
+7. Validate the aggregate signature matches the claimed aggregate BLS Public Key
+
+After verifying the message, Blockchain B can define its own semantics of how to deliver or execute the message.
+
+### Subnet to C-Chain (Primary Network)
+
+Subnet to C-Chain Warp Messaging is a special case of Avalanche Warp Messaging. The C-Chain can efficiently verify a signature produced by another Subnet, so the implementation for the C-Chain to receive an Avalanche Warp Message can and will use the same code as is planned for Subnet-EVM.
+
+### C-Chain to Subnet
+
+To support C-Chain to Subnet communication, or more generally Primary Network to Subnet communication, we special case the C-Chain for two reasons:
+
+1. Every Subnet validator validates the C-Chain
+2. The Primary Network has the largest possible number of validators
+
+Since the Primary Network has the largest possible number of validators for any Subnet on Avalanche, it would also be the most expensive Subnet to verify Avalanche Warp Messages from (most signatures required to verify it). Luckily, we can do something much smarter.
+
+When a Subnet receives a message from a blockchain on the Primary Network, we use the validator set of the receiving Subnet instead of the entire network when validating the message. This means that the C-Chain sending a message can be the exact same as Subnet to Subnet communciation.
+
+However, when Subnet B receives a message from the C-Chain, it changes the semantics to the following:
+
+1. Read the SourceChainID of the signed message (C-Chain)
+2. Look up the SubnetID that validates C-Chain: Primary Network
+3. Look up the validator set of Subnet B (instead of the Primary Network) and the registered BLS Public Keys of Subnet B at the P-Chain height specified by the ProposerVM header
+4. Filter the validators of Subnet B to include only the validators that the signed message claims as signers
+5. Verify the claimed included validators represent a sufficient quorum of stake to verify the message
+6. Aggregate the BLS Public Keys of the claimed signers into an aggregated BLS Public Key
+7. Validate the aggregate signature matches the claimed aggregate BLS Public Key
+
+This means that if Subnet B has 10 equally weighted validators, then C-Chain to Subnet communication only requires a threshold of stake from those 10 validators rather than a threshold of the stake of the Primary Network.
+
+Since the security of Subnet B depends on the validators of Subnet B already, changing the requirements of verifying the message from verifying a signature from the entire Primary Network to only Subnet B's validator set does not change the security of Subnet B!
+
+## Warp Precompile
+
+The Warp Precompile is broken down into three functions defined in the Solidity interface file [here](../../../contracts/contracts/interfaces/IWarpMessenger.sol).
+
+### sendWarpMessage
+
+`sendWarpMessage` is used to send a verifiable message. Calling this function results in sending a message with the following contents:
+
+- `SourceChainID` - blockchainID of the sourceChain on the Avalanche P-Chain
+- `SourceAddress` - `msg.sender` encoded as a 32 byte value that calls `sendWarpMessage`
+- `DestinationChainID` - `bytes32` argument specifies the blockchainID on the Avalanche P-Chain that should receive the message
+- `DestinationAddress` - 32 byte value that represents the destination address that should receive the message (on the EVM this is the 20 byte address left zero extended)
+- `Payload` - `payload` argument specified in the call to `sendWarpMessage` emitted as the unindexed data of the resulting log
+
+Calling this function will issue a `SendWarpMessage` event from the Warp Precompile. Since the EVM limits the number of topics to 4 including the EventID, this message includes only the topics that would be expected to help filter messages emitted from the Warp Precompile the most.
+
+Specifically, the `payload` is not emitted as a topic because each topic must be encoded as a hash. It could include the warp `messageID` as a topic, but that would not add more information. Therefore, we opt to take advantage of each possible topic to maximize the possible filtering for emitted Warp Messages.
+
+Additionally, the `SourceChainID` is excluded because anyone parsing the chain can be expected to already know the blockchainID. Therefore, the `SendWarpMessage` event includes the indexable attributes:
+
+- `destinationChainID`
+- `destinationAddress`
+- `sender`
+
+The actual `message` is the entire [Avalanche Warp Unsigned Message](https://github.com/ava-labs/avalanchego/blob/master/vms/platformvm/warp/unsigned_message.go#L14) including the Subnet-EVM [Addressed Payload](../../../warp/payload/payload.go).
+
+
+### getVerifiedMessage
+
+`getVerifiedMessage` is used to read the contents of the delivered Avalanche Warp Message into the expected format.
+
+It returns the message if present and a boolean indicating if a message is present.
+
+To use this function, the transaction must include the signed Avalanche Warp Message encoded in the [predicate](#predicate-encoding) of the transaction. Prior to executing a block, the VM iterates through transactions and pre-verifies all predicates. If a transaction's predicate is invalid, then it is considered invalid to include in the block and dropped.
+
+This gives the following properties:
+
+1. The EVM execution does not need to verify the Warp Message at runtime (no signature verification or external calls to the P-Chain)
+2. The EVM can deterministically re-execute and re-verify blocks assuming the predicate was verified by the network (eg., in bootstrapping)
+
+This pre-verification is performed using the ProposerVM Block header during [block verification](../../../plugin/evm/block.go#L220) and [block building](../../../miner/worker.go#L200).
+
+Note: in order to support the notion of an `AnycastID` for the `DestinationChainID`, `getVerifiedMessage` and the predicate DO NOT require that the `DestinationChainID` matches the `blockchainID` currently running. Instead, callers of `getVerifiedMessage` should use `getBlockchainID()` to decide how they should interpret the message. In other words, does the `destinationChainID` match either the local `blockchainID` or the `AnycastID`.
+
+### getBlockchainID
+
+`getBlockchainID` returns the blockchainID of the blockchain that Subnet-EVM is running on.
+
+This is different from the conventional Ethereum ChainID registered to https://chainlist.org/.
+
+The `blockchainID` in Avalanche refers to the txID that created the blockchain on the Avalanche P-Chain ([docs](https://docs.avax.network/specs/platform-transaction-serialization#unsigned-create-chain-tx)).
+
+### Predicate Encoding
+
+Avalanche Warp Messages are encoded as a signed Avalanche [Warp Message](https://github.com/ava-labs/avalanchego/blob/v1.10.4/vms/platformvm/warp/message.go#L7) where the [UnsignedMessage](https://github.com/ava-labs/avalanchego/blob/v1.10.4/vms/platformvm/warp/unsigned_message.go#L14)'s payload includes an [AddressedPayload](../../../warp/payload/payload.go).
+
+Since the predicate is encoded into the [Transaction Access List](https://eips.ethereum.org/EIPS/eip-2930), it is packed into 32 byte hashes intended to declare storage slots that should be pre-warmed into the cache prior to transaction execution.
+
+Therefore, we use the [Predicate Utils](../../../utils/predicate/README.md) package to encode the actual byte slice of size N into the access list.
+
+## Design Considerations
+
+### Re-Processing Historical Blocks
+
+Avalanche Warp Messaging depends on the Avalanche P-Chain state at the P-Chain height specified by the ProposerVM block header.
+
+Verifying a message requires looking up the validator set of the source subnet on the P-Chain. To support this, Avalanche Warp Messaging uses the ProposerVM header, which includes the P-Chain height it was issued at as the canonical point to lookup the source subnet's validator set.
+
+This means verifying the Warp Message and therefore the state transition on a block depends on state that is external to the blockchain itself: the P-Chain.
+
+The Avalanche P-Chain tracks only its current state and reverse diff layers (reversing the changes from past blocks) in order to re-calculate the validator set at a historical height. This means calculating a very old validator set that is used to verify a Warp Message in an old block may become prohibitively expensive.
+
+Therefore, we need a heuristic to ensure that the network can correctly re-process old blocks (note: re-processing old blocks is a requirement to perform bootstrapping and is used in some VMs including Subnet-EVM to serve or verify historical data).
+
+As a result, we require that the block itself provides a deterministic hint which determines which Avalanche Warp Messages were considered valid/invalid during the block's execution. This ensures that we can always re-process blocks and use the hint to decide whether an Avalanche Warp Message should be treated as valid/invalid even after the P-Chain state that was used at the original execution time may no longer support fast lookups.
+
+To provide that hint, we've explored two designs:
+
+1. Include a predicate in the transaction to ensure any referenced message is valid
+2. Append the results of checking whether a Warp Message is valid/invalid to the block data itself
+
+The current implementation uses option (1).
+
+The original reason for this was that the notion of predicates for precompiles was designed with Shared Memory in mind. In the case of shared memory, there is no canonical "P-Chain height" in the block which determines whether or not Avalanche Warp Messages are valid.
+
+Instead, the VM interprets a shared memory import operation as valid as soon as the UTXO is available in shared memory. This means that if it were up to the block producer to staple the valid/invalid results of whether or not an attempted atomic operation should be treated as valid, a byzantine block producer could arbitrarily report that such atomic operations were invalid and cause a griefing attack to burn the gas of users that attempted to perform an import.
+
+Therefore, a transaction specified predicate is required to implement the shared memory precompile to prevent such a griefing attack.
+
+In contrast, Avalanche Warp Messages are validated within the context of an exact P-Chain height. Therefore, if a block producer attempted to lie about the validity of such a message, the network would interpret that block as invalid.
+
+### Guarantees Offered by Warp Precompile vs. Built on Top
+
+#### Guarantees Offered by Warp Precompile
+
+The Warp Precompile was designed with the intention of minimizing the trusted computing base for Subnet-EVM. Therefore, it makes several tradeoffs which encourage users to use protocols built ON TOP of the Warp Precompile itself as opposed to directly using the Warp Precompile.
+
+The Warp Precompile itself provides ONLY the following ability:
+
+send a verified message from a caller on blockchain A to a destination address on blockchain B
+
+#### Explicitly Not Provided / Built on Top
+
+The Warp Precompile itself does not provide any guarantees of:
+
+- Eventual message delivery (may require re-send on blockchain A and additional assumptions about off-chain relayers and chain progress)
+- Ordering of messages (requires ordering provided a layer above)
+- Replay protection (requires replay protection provided a layer above)
diff --git a/x/warp/config.go b/x/warp/config.go
new file mode 100644
index 0000000000..e1fc7a275d
--- /dev/null
+++ b/x/warp/config.go
@@ -0,0 +1,218 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package warp
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"github.com/ava-labs/avalanchego/vms/platformvm/warp"
+	"github.com/ava-labs/subnet-evm/params"
+	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
+	predicateutils "github.com/ava-labs/subnet-evm/utils/predicate"
+	warpPayload "github.com/ava-labs/subnet-evm/warp/payload"
+	warpValidators "github.com/ava-labs/subnet-evm/warp/validators"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/math"
+	"github.com/ethereum/go-ethereum/log"
+)
+
+var (
+	_ precompileconfig.Config             = &Config{}
+	_ precompileconfig.ProposerPredicater = &Config{}
+	_ precompileconfig.Accepter           = &Config{}
+)
+
+var (
+	errOverflowSignersGasCost  = errors.New("overflow calculating warp signers gas cost")
+	errNoProposerCtxPredicate  = errors.New("cannot verify warp predicate without proposer context")
+	errInvalidPredicateBytes   = errors.New("cannot unpack predicate bytes")
+	errInvalidWarpMsg          = errors.New("cannot unpack warp message")
+	errInvalidAddressedPayload = errors.New("cannot unpack addressed payload")
+	errCannotGetNumSigners     = errors.New("cannot fetch num signers from warp message")
+)
+
+// Config implements the precompileconfig.Config interface and
+// adds specific configuration for Warp.
+type Config struct {
+	precompileconfig.Upgrade
+	QuorumNumerator uint64 `json:"quorumNumerator"`
+}
+
+// NewConfig returns a config for a network upgrade at [blockTimestamp] that enables
+// Warp with the given quorum numerator.
+func NewConfig(blockTimestamp *uint64, quorumNumerator uint64) *Config {
+	return &Config{
+		Upgrade:         precompileconfig.Upgrade{BlockTimestamp: blockTimestamp},
+		QuorumNumerator: quorumNumerator,
+	}
+}
+
+// NewDefaultConfig returns a config for a network upgrade at [blockTimestamp] that enables
+// Warp with the default quorum numerator (0 denotes using the default).
+func NewDefaultConfig(blockTimestamp *uint64) *Config {
+	return NewConfig(blockTimestamp, 0)
+}
+
+// NewDisableConfig returns config for a network upgrade at [blockTimestamp]
+// that disables Warp.
+func NewDisableConfig(blockTimestamp *uint64) *Config {
+	return &Config{
+		Upgrade: precompileconfig.Upgrade{
+			BlockTimestamp: blockTimestamp,
+			Disable:        true,
+		},
+	}
+}
+
+// Key returns the key for the Warp precompileconfig.
+// This should be the same key as used in the precompile module.
+func (*Config) Key() string { return ConfigKey }
+
+// Verify tries to verify Config and returns an error accordingly.
+func (c *Config) Verify() error {
+	if c.QuorumNumerator > params.WarpQuorumDenominator {
+		return fmt.Errorf("cannot specify quorum numerator (%d) > quorum denominator (%d)", c.QuorumNumerator, params.WarpQuorumDenominator)
+	}
+	// If a non-default quorum numerator is specified and it is less than the minimum, return an error
+	if c.QuorumNumerator != 0 && c.QuorumNumerator < params.WarpQuorumNumeratorMinimum {
+		return fmt.Errorf("cannot specify quorum numerator (%d) < min quorum numerator (%d)", c.QuorumNumerator, params.WarpQuorumNumeratorMinimum)
+	}
+	return nil
+}
+
+// Equal returns true if [s] is a [*Config] and it has been configured identical to [c].
+func (c *Config) Equal(s precompileconfig.Config) bool {
+	// typecast before comparison
+	other, ok := (s).(*Config)
+	if !ok {
+		return false
+	}
+	equals := c.Upgrade.Equal(&other.Upgrade)
+	return equals && c.QuorumNumerator == other.QuorumNumerator
+}
+
+func (c *Config) Accept(acceptCtx *precompileconfig.AcceptContext, txHash common.Hash, logIndex int, topics []common.Hash, logData []byte) error {
+	unsignedMessage, err := warp.ParseUnsignedMessage(logData)
+	if err != nil {
+		return fmt.Errorf("failed to parse warp log data into unsigned message (TxHash: %s, LogIndex: %d): %w", txHash, logIndex, err)
+	}
+	log.Info("Accepted warp unsigned message", "txHash", txHash, "logIndex", logIndex, "logData", common.Bytes2Hex(logData))
+	if err := acceptCtx.Warp.AddMessage(unsignedMessage); err != nil {
+		return fmt.Errorf("failed to add warp message during accept (TxHash: %s, LogIndex: %d): %w", txHash, logIndex, err)
+	}
+	return nil
+}
+
+// verifyWarpMessage checks that [warpMsg] can be parsed as an addressed payload and verifies the Warp Message Signature
+// within [predicateContext].
+func (c *Config) verifyWarpMessage(predicateContext *precompileconfig.ProposerPredicateContext, warpMsg *warp.Message) error {
+	// Use default quorum numerator unless config specifies a non-default option
+	quorumNumerator := params.WarpDefaultQuorumNumerator
+	if c.QuorumNumerator != 0 {
+		quorumNumerator = c.QuorumNumerator
+	}
+
+	// Verify the warp payload can be decoded to the expected type
+	_, err := warpPayload.ParseAddressedPayload(warpMsg.UnsignedMessage.Payload)
+	if err != nil {
+		return fmt.Errorf("%w: %s", errInvalidAddressedPayload, err)
+	}
+
+	log.Debug("verifying warp message", "warpMsg", warpMsg, "quorumNum", quorumNumerator, "quorumDenom", params.WarpQuorumDenominator)
+	if err := warpMsg.Signature.Verify(
+		context.Background(),
+		&warpMsg.UnsignedMessage,
+		predicateContext.SnowCtx.NetworkID,
+		warpValidators.NewState(predicateContext.SnowCtx), // Wrap validators.State on the chain snow context to special case the Primary Network
+		predicateContext.ProposerVMBlockCtx.PChainHeight,
+		quorumNumerator,
+		params.WarpQuorumDenominator,
+	); err != nil {
+		return fmt.Errorf("warp signature verification failed: %w", err)
+	}
+
+	return nil
+}
+
+// PredicateGas returns the amount of gas necessary to verify the predicate
+// PredicateGas charges for:
+// 1. Base cost of the message
+// 2. Size of the message
+// 3. Number of signers
+// 4. TODO: Lookup of the validator set
+func (c *Config) PredicateGas(predicateBytes []byte) (uint64, error) {
+	totalGas := GasCostPerSignatureVerification
+	bytesGasCost, overflow := math.SafeMul(GasCostPerWarpMessageBytes, uint64(len(predicateBytes)))
+	if overflow {
+		return 0, fmt.Errorf("overflow calculating gas cost for warp message bytes of size %d", len(predicateBytes))
+	}
+	totalGas, overflow = math.SafeAdd(totalGas, bytesGasCost)
+	if overflow {
+		return 0, fmt.Errorf("overflow adding bytes gas cost of size %d", len(predicateBytes))
+	}
+
+	unpackedPredicateBytes, err := predicateutils.UnpackPredicate(predicateBytes)
+	if err != nil {
+		return 0, fmt.Errorf("%w: %s", errInvalidPredicateBytes, err)
+	}
+	warpMessage, err := warp.ParseMessage(unpackedPredicateBytes)
+	if err != nil {
+		return 0, fmt.Errorf("%w: %s", errInvalidWarpMsg, err)
+	}
+
+	numSigners, err := warpMessage.Signature.NumSigners()
+	if err != nil {
+		return 0, fmt.Errorf("%w: %s", errCannotGetNumSigners, err)
+	}
+	signerGas, overflow := math.SafeMul(uint64(numSigners), GasCostPerWarpSigner)
+	if overflow {
+		return 0, errOverflowSignersGasCost
+	}
+	totalGas, overflow = math.SafeAdd(totalGas, signerGas)
+	if overflow {
+		return 0, fmt.Errorf("overflow adding signer gas (PrevTotal: %d, VerificationGas: %d)", totalGas, signerGas)
+	}
+
+	// TODO: charge for the Subnet validator set lookup
+	// ctx := context.Background()
+	// subnetID, err := predicateContext.SnowCtx.ValidatorState.GetSubnetID(ctx, warpMessage.SourceChainID)
+	// if err != nil {
+	// 	return 0, fmt.Errorf("failed to look up SubnetID for SourceChainID: %s", warpMessage.SourceChainID)
+	// }
+	// validatorSet, err := predicateContext.SnowCtx.ValidatorState.GetValidatorSet(ctx, predicateContext.ProposerVMBlockCtx.PChainHeight, subnetID)
+	// if err != nil {
+	// 	return 0, fmt.Errorf("failed to look up validator set verifying warp message: %w", err)
+	// }
+	// subnetLookupGasCost, overflow := math.SafeMul(uint64(len(validatorSet)), GasCostPerSourceSubnetValidator)
+	// if overflow {
+	// 	return 0, fmt.Errorf("overflow calculating gas cost for subnet (%s) validator set lookup of size %d", subnetID, len(validatorSet))
+	// }
+	// totalGas, overflow = math.SafeAdd(totalGas, subnetLookupGasCost)
+	// if overflow {
+	// 	return 0, fmt.Errorf("overflow adding subnet lookup gas (PrevTotal: %d, SubnetLookupGas: %d)", totalGas, subnetLookupGasCost)
+	// }
+
+	return totalGas, nil
+}
+
+// VerifyPredicate verifies the predicate represents a valid signed and properly formatted Avalanche Warp Message.
+func (c *Config) VerifyPredicate(predicateContext *precompileconfig.ProposerPredicateContext, predicateBytes []byte) error {
+	if predicateContext.ProposerVMBlockCtx == nil {
+		return errNoProposerCtxPredicate
+	}
+	// Note: PredicateGas should be called before VerifyPredicate, so we should never reach an error case here.
+	unpackedPredicateBytes, err := predicateutils.UnpackPredicate(predicateBytes)
+	if err != nil {
+		return err
+	}
+
+	// Note: PredicateGas should be called before VerifyPredicate, so we should never reach an error case here.
+	warpMessage, err := warp.ParseMessage(unpackedPredicateBytes)
+	if err != nil {
+		return fmt.Errorf("%w: %s", errInvalidWarpMsg, err)
+	}
+	return c.verifyWarpMessage(predicateContext, warpMessage)
+}
diff --git a/x/warp/config_test.go b/x/warp/config_test.go
new file mode 100644
index 0000000000..5381b612cf
--- /dev/null
+++ b/x/warp/config_test.go
@@ -0,0 +1,110 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package warp
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/ava-labs/subnet-evm/params"
+	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
+	"github.com/ava-labs/subnet-evm/utils"
+	"github.com/stretchr/testify/require"
+)
+
+func TestVerifyWarpconfig(t *testing.T) {
+	tests := []struct {
+		name          string
+		config        precompileconfig.Config
+		ExpectedError string
+	}{
+		{
+			name:          "quorum numerator less than minimum",
+			config:        NewConfig(utils.NewUint64(3), params.WarpQuorumNumeratorMinimum-1),
+			ExpectedError: fmt.Sprintf("cannot specify quorum numerator (%d) < min quorum numerator (%d)", params.WarpQuorumNumeratorMinimum-1, params.WarpQuorumNumeratorMinimum),
+		},
+		{
+			name:          "quorum numerator greater than quorum denominator",
+			config:        NewConfig(utils.NewUint64(3), params.WarpQuorumDenominator+1),
+			ExpectedError: fmt.Sprintf("cannot specify quorum numerator (%d) > quorum denominator (%d)", params.WarpQuorumDenominator+1, params.WarpQuorumDenominator),
+		},
+		{
+			name:   "default quorum numerator",
+			config: NewDefaultConfig(utils.NewUint64(3)),
+		},
+		{
+			name:   "valid quorum numerator 1 less than denominator",
+			config: NewConfig(utils.NewUint64(3), params.WarpQuorumDenominator-1),
+		},
+		{
+			name:   "valid quorum numerator 1 more than minimum",
+			config: NewConfig(utils.NewUint64(3), params.WarpQuorumNumeratorMinimum+1),
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			require := require.New(t)
+
+			err := tt.config.Verify()
+			if tt.ExpectedError == "" {
+				require.NoError(err)
+			} else {
+				require.ErrorContains(err, tt.ExpectedError)
+			}
+		})
+	}
+}
+
+func TestEqualWarpConfig(t *testing.T) {
+	tests := []struct {
+		name     string
+		config   precompileconfig.Config
+		other    precompileconfig.Config
+		expected bool
+	}{
+		{
+			name:     "non-nil config and nil other",
+			config:   NewDefaultConfig(utils.NewUint64(3)),
+			other:    nil,
+			expected: false,
+		},
+		{
+			name:     "different type",
+			config:   NewDefaultConfig(utils.NewUint64(3)),
+			other:    precompileconfig.NewNoopStatefulPrecompileConfig(),
+			expected: false,
+		},
+		{
+			name:     "different timestamp",
+			config:   NewDefaultConfig(utils.NewUint64(3)),
+			other:    NewDefaultConfig(utils.NewUint64(4)),
+			expected: false,
+		},
+		{
+			name:     "different quorum numerator",
+			config:   NewConfig(utils.NewUint64(3), params.WarpQuorumNumeratorMinimum+1),
+			other:    NewConfig(utils.NewUint64(3), params.WarpQuorumNumeratorMinimum+2),
+			expected: false,
+		},
+		{
+			name:     "same default config",
+			config:   NewDefaultConfig(utils.NewUint64(3)),
+			other:    NewDefaultConfig(utils.NewUint64(3)),
+			expected: true,
+		},
+		{
+			name:     "same non-default config",
+			config:   NewConfig(utils.NewUint64(3), params.WarpQuorumNumeratorMinimum+5),
+			other:    NewConfig(utils.NewUint64(3), params.WarpQuorumNumeratorMinimum+5),
+			expected: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			require := require.New(t)
+
+			require.Equal(tt.expected, tt.config.Equal(tt.other))
+		})
+	}
+}
diff --git a/x/warp/contract.abi b/x/warp/contract.abi
new file mode 100644
index 0000000000..99773f9fed
--- /dev/null
+++ b/x/warp/contract.abi
@@ -0,0 +1,114 @@
+[
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "bytes32",
+        "name": "destinationChainID",
+        "type": "bytes32"
+      },
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "destinationAddress",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "sender",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "message",
+        "type": "bytes"
+      }
+    ],
+    "name": "SendWarpMessage",
+    "type": "event"
+  },
+  {
+    "inputs": [],
+    "name": "getBlockchainID",
+    "outputs": [
+      {
+        "internalType": "bytes32",
+        "name": "blockchainID",
+        "type": "bytes32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "getVerifiedWarpMessage",
+    "outputs": [
+      {
+        "components": [
+          {
+            "internalType": "bytes32",
+            "name": "originChainID",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "address",
+            "name": "originSenderAddress",
+            "type": "address"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "destinationChainID",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "address",
+            "name": "destinationAddress",
+            "type": "address"
+          },
+          {
+            "internalType": "bytes",
+            "name": "payload",
+            "type": "bytes"
+          }
+        ],
+        "internalType": "struct WarpMessage",
+        "name": "message",
+        "type": "tuple"
+      },
+      {
+        "internalType": "bool",
+        "name": "exists",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "bytes32",
+        "name": "destinationChainID",
+        "type": "bytes32"
+      },
+      {
+        "internalType": "address",
+        "name": "destinationAddress",
+        "type": "address"
+      },
+      {
+        "internalType": "bytes",
+        "name": "payload",
+        "type": "bytes"
+      }
+    ],
+    "name": "sendWarpMessage",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  }
+]
\ No newline at end of file
diff --git a/x/warp/contract.go b/x/warp/contract.go
new file mode 100644
index 0000000000..646accc861
--- /dev/null
+++ b/x/warp/contract.go
@@ -0,0 +1,283 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package warp
+
+import (
+	"errors"
+	"fmt"
+
+	"github.com/ava-labs/avalanchego/vms/platformvm/warp"
+	"github.com/ava-labs/subnet-evm/params"
+	"github.com/ava-labs/subnet-evm/precompile/contract"
+	predicateutils "github.com/ava-labs/subnet-evm/utils/predicate"
+	"github.com/ava-labs/subnet-evm/vmerrs"
+	warpPayload "github.com/ava-labs/subnet-evm/warp/payload"
+
+	_ "embed"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/math"
+)
+
+const (
+	GetVerifiedWarpMessageBaseCost uint64 = 2      // Base cost of entering getVerifiedWarpMessage
+	GetBlockchainIDGasCost         uint64 = 2      // Based on GasQuickStep used in existing EVM instructions
+	AddWarpMessageGasCost          uint64 = 20_000 // Cost of producing and serving a BLS Signature
+	// Sum of base log gas cost, cost of producing 4 topics, and producing + serving a BLS Signature (sign + trie write)
+	// Note: using trie write for the gas cost results in a conservative overestimate since the message is stored in a
+	// flat database that can be cleaned up after a period of time instead of the EVM trie.
+
+	SendWarpMessageGasCost uint64 = params.LogGas + 4*params.LogTopicGas + AddWarpMessageGasCost + contract.WriteGasCostPerSlot
+	// SendWarpMessageGasCostPerByte cost accounts for producing a signed message of a given size
+	SendWarpMessageGasCostPerByte uint64 = params.LogDataGas
+
+	GasCostPerWarpSigner            uint64 = 500
+	GasCostPerWarpMessageBytes      uint64 = 100 // TODO: charge O(n) cost for decoding predicate of input size n
+	GasCostPerSignatureVerification uint64 = 200_000
+	// GasCostPerSourceSubnetValidator uint64 = 1 // TODO: charge O(n) cost for subnet validator set lookup
+)
+
+var (
+	errInvalidSendInput = errors.New("invalid sendWarpMessage input")
+)
+
+// Singleton StatefulPrecompiledContract and signatures.
+var (
+	// WarpRawABI contains the raw ABI of Warp contract.
+	//go:embed contract.abi
+	WarpRawABI string
+
+	WarpABI = contract.ParseABI(WarpRawABI)
+
+	WarpPrecompile = createWarpPrecompile()
+)
+
+// WarpMessage is an auto generated low-level Go binding around an user-defined struct.
+type WarpMessage struct {
+	OriginChainID       common.Hash
+	OriginSenderAddress common.Address
+	DestinationChainID  common.Hash
+	DestinationAddress  common.Address
+	Payload             []byte
+}
+
+type GetVerifiedWarpMessageOutput struct {
+	Message WarpMessage
+	Exists  bool
+}
+
+type SendWarpMessageInput struct {
+	DestinationChainID common.Hash
+	DestinationAddress common.Address
+	Payload            []byte
+}
+
+// PackGetBlockchainID packs the include selector (first 4 func signature bytes).
+// This function is mostly used for tests.
+func PackGetBlockchainID() ([]byte, error) {
+	return WarpABI.Pack("getBlockchainID")
+}
+
+// PackGetBlockchainIDOutput attempts to pack given blockchainID of type common.Hash
+// to conform the ABI outputs.
+func PackGetBlockchainIDOutput(blockchainID common.Hash) ([]byte, error) {
+	return WarpABI.PackOutput("getBlockchainID", blockchainID)
+}
+
+// getBlockchainID returns the snow Chain Context ChainID of this blockchain.
+func getBlockchainID(accessibleState contract.AccessibleState, caller common.Address, addr common.Address, input []byte, suppliedGas uint64, readOnly bool) (ret []byte, remainingGas uint64, err error) {
+	if remainingGas, err = contract.DeductGas(suppliedGas, GetBlockchainIDGasCost); err != nil {
+		return nil, 0, err
+	}
+	packedOutput, err := PackGetBlockchainIDOutput(common.Hash(accessibleState.GetSnowContext().ChainID))
+	if err != nil {
+		return nil, remainingGas, err
+	}
+
+	// Return the packed output and the remaining gas
+	return packedOutput, remainingGas, nil
+}
+
+// PackGetVerifiedWarpMessage packs the calldata for the getVerifiedWarpMessage function
+// This function is mostly used for tests.
+func PackGetVerifiedWarpMessage() ([]byte, error) {
+	return WarpABI.Pack("getVerifiedWarpMessage")
+}
+
+// PackGetVerifiedWarpMessageOutput attempts to pack given [outputStruct] of type GetVerifiedWarpMessageOutput
+// to conform the ABI outputs.
+func PackGetVerifiedWarpMessageOutput(outputStruct GetVerifiedWarpMessageOutput) ([]byte, error) {
+	return WarpABI.PackOutput("getVerifiedWarpMessage",
+		outputStruct.Message,
+		outputStruct.Exists,
+	)
+}
+
+// getVerifiedWarpMessage retrieves the pre-verified warp message from the predicate storage slots and returns
+// the expected ABI encoding of the message to the caller.
+func getVerifiedWarpMessage(accessibleState contract.AccessibleState, caller common.Address, addr common.Address, _ []byte, suppliedGas uint64, readOnly bool) (ret []byte, remainingGas uint64, err error) {
+	remainingGas, err = contract.DeductGas(suppliedGas, GetVerifiedWarpMessageBaseCost)
+	if err != nil {
+		return nil, remainingGas, err
+	}
+	// Ignore input since there are no arguments
+	predicateBytes, exists := accessibleState.GetStateDB().GetPredicateStorageSlots(ContractAddress)
+	// If there is no such value, return false to the caller.
+	if !exists {
+		packedOutput, err := PackGetVerifiedWarpMessageOutput(GetVerifiedWarpMessageOutput{
+			Exists: false,
+		})
+		if err != nil {
+			return nil, remainingGas, err
+		}
+		return packedOutput, remainingGas, nil
+	}
+
+	// Note: we charge for the size of the message during both predicate verification and each time the message is read during
+	// EVM execution because each execution incurs an additional read cost.
+	msgBytesGas, overflow := math.SafeMul(GasCostPerWarpMessageBytes, uint64(len(predicateBytes)))
+	if overflow {
+		return nil, remainingGas, vmerrs.ErrOutOfGas
+	}
+	if remainingGas, err = contract.DeductGas(remainingGas, msgBytesGas); err != nil {
+		return nil, 0, err
+	}
+	// Note: since the predicate is verified in advance of execution, the precompile should not
+	// hit an error during execution.
+	unpackedPredicateBytes, err := predicateutils.UnpackPredicate(predicateBytes)
+	if err != nil {
+		return nil, remainingGas, fmt.Errorf("%w: %s", errInvalidPredicateBytes, err)
+	}
+	warpMessage, err := warp.ParseMessage(unpackedPredicateBytes)
+	if err != nil {
+		return nil, remainingGas, fmt.Errorf("%w: %s", errInvalidWarpMsg, err)
+	}
+
+	addressedPayload, err := warpPayload.ParseAddressedPayload(warpMessage.UnsignedMessage.Payload)
+	if err != nil {
+		return nil, remainingGas, fmt.Errorf("%w: %s", errInvalidAddressedPayload, err)
+	}
+	packedOutput, err := PackGetVerifiedWarpMessageOutput(GetVerifiedWarpMessageOutput{
+		Message: WarpMessage{
+			OriginChainID:       common.Hash(warpMessage.SourceChainID),
+			OriginSenderAddress: addressedPayload.SourceAddress,
+			DestinationChainID:  addressedPayload.DestinationChainID,
+			DestinationAddress:  addressedPayload.DestinationAddress,
+			Payload:             addressedPayload.Payload,
+		},
+		Exists: true,
+	})
+	if err != nil {
+		return nil, remainingGas, err
+	}
+
+	// Return the packed output and the remaining gas
+	return packedOutput, remainingGas, nil
+}
+
+// UnpackSendWarpMessageInput attempts to unpack [input] as SendWarpMessageInput
+// assumes that [input] does not include selector (omits first 4 func signature bytes)
+func UnpackSendWarpMessageInput(input []byte) (SendWarpMessageInput, error) {
+	inputStruct := SendWarpMessageInput{}
+	err := WarpABI.UnpackInputIntoInterface(&inputStruct, "sendWarpMessage", input)
+
+	return inputStruct, err
+}
+
+// PackSendWarpMessage packs [inputStruct] of type SendWarpMessageInput into the appropriate arguments for sendWarpMessage.
+func PackSendWarpMessage(inputStruct SendWarpMessageInput) ([]byte, error) {
+	return WarpABI.Pack("sendWarpMessage", inputStruct.DestinationChainID, inputStruct.DestinationAddress, inputStruct.Payload)
+}
+
+// sendWarpMessage constructs an Avalanche Warp Message containing an AddressedPayload and emits a log to signal validators that they should
+// be willing to sign this message.
+func sendWarpMessage(accessibleState contract.AccessibleState, caller common.Address, addr common.Address, input []byte, suppliedGas uint64, readOnly bool) (ret []byte, remainingGas uint64, err error) {
+	if remainingGas, err = contract.DeductGas(suppliedGas, SendWarpMessageGasCost); err != nil {
+		return nil, 0, err
+	}
+	// This gas cost includes buffer room because it is based off of the total size of the input instead of the produced payload.
+	// This ensures that we charge gas before we unpack the variable sized input.
+	payloadGas, overflow := math.SafeMul(SendWarpMessageGasCostPerByte, uint64(len(input)))
+	if overflow {
+		return nil, 0, vmerrs.ErrOutOfGas
+	}
+	if remainingGas, err = contract.DeductGas(remainingGas, payloadGas); err != nil {
+		return nil, 0, err
+	}
+	if readOnly {
+		return nil, remainingGas, vmerrs.ErrWriteProtection
+	}
+	// unpack the arguments
+	inputStruct, err := UnpackSendWarpMessageInput(input)
+	if err != nil {
+		return nil, remainingGas, fmt.Errorf("%w: %s", errInvalidSendInput, err)
+	}
+
+	var (
+		sourceChainID      = accessibleState.GetSnowContext().ChainID
+		destinationChainID = inputStruct.DestinationChainID
+		sourceAddress      = caller
+		destinationAddress = inputStruct.DestinationAddress
+		payload            = inputStruct.Payload
+	)
+
+	addressedPayload, err := warpPayload.NewAddressedPayload(
+		sourceAddress,
+		destinationChainID,
+		destinationAddress,
+		payload,
+	)
+	if err != nil {
+		return nil, remainingGas, err
+	}
+	unsignedWarpMessage, err := warp.NewUnsignedMessage(
+		accessibleState.GetSnowContext().NetworkID,
+		sourceChainID,
+		addressedPayload.Bytes(),
+	)
+	if err != nil {
+		return nil, remainingGas, err
+	}
+
+	// Add a log to be handled if this action is finalized.
+	accessibleState.GetStateDB().AddLog(
+		ContractAddress,
+		[]common.Hash{
+			WarpABI.Events["SendWarpMessage"].ID,
+			destinationChainID,
+			destinationAddress.Hash(),
+			sourceAddress.Hash(),
+		},
+		unsignedWarpMessage.Bytes(),
+		accessibleState.GetBlockContext().Number().Uint64(),
+	)
+
+	// Return an empty output and the remaining gas
+	return []byte{}, remainingGas, nil
+}
+
+// createWarpPrecompile returns a StatefulPrecompiledContract with getters and setters for the precompile.
+func createWarpPrecompile() contract.StatefulPrecompiledContract {
+	var functions []*contract.StatefulPrecompileFunction
+
+	abiFunctionMap := map[string]contract.RunStatefulPrecompileFunc{
+		"getBlockchainID":        getBlockchainID,
+		"getVerifiedWarpMessage": getVerifiedWarpMessage,
+		"sendWarpMessage":        sendWarpMessage,
+	}
+
+	for name, function := range abiFunctionMap {
+		method, ok := WarpABI.Methods[name]
+		if !ok {
+			panic(fmt.Errorf("given method (%s) does not exist in the ABI", name))
+		}
+		functions = append(functions, contract.NewStatefulPrecompileFunction(method.ID, function))
+	}
+	// Construct the contract with no fallback function.
+	statefulContract, err := contract.NewStatefulPrecompileContract(nil, functions)
+	if err != nil {
+		panic(err)
+	}
+	return statefulContract
+}
diff --git a/x/warp/contract_test.go b/x/warp/contract_test.go
new file mode 100644
index 0000000000..39970149a9
--- /dev/null
+++ b/x/warp/contract_test.go
@@ -0,0 +1,303 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package warp
+
+import (
+	"testing"
+
+	"github.com/ava-labs/avalanchego/ids"
+	"github.com/ava-labs/avalanchego/snow"
+	"github.com/ava-labs/avalanchego/utils"
+	avalancheWarp "github.com/ava-labs/avalanchego/vms/platformvm/warp"
+	"github.com/ava-labs/subnet-evm/core/state"
+	"github.com/ava-labs/subnet-evm/precompile/contract"
+	"github.com/ava-labs/subnet-evm/precompile/testutils"
+	predicateutils "github.com/ava-labs/subnet-evm/utils/predicate"
+	"github.com/ava-labs/subnet-evm/vmerrs"
+	warpPayload "github.com/ava-labs/subnet-evm/warp/payload"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/stretchr/testify/require"
+)
+
+func TestGetBlockchainID(t *testing.T) {
+	callerAddr := common.HexToAddress("0x0123")
+
+	defaultSnowCtx := snow.DefaultContextTest()
+	blockchainID := defaultSnowCtx.ChainID
+
+	tests := map[string]testutils.PrecompileTest{
+		"getBlockchainID success": {
+			Caller: callerAddr,
+			InputFn: func(t testing.TB) []byte {
+				input, err := PackGetBlockchainID()
+				require.NoError(t, err)
+
+				return input
+			},
+			SuppliedGas: GetBlockchainIDGasCost,
+			ReadOnly:    false,
+			ExpectedRes: func() []byte {
+				expectedOutput, err := PackGetBlockchainIDOutput(common.Hash(blockchainID))
+				require.NoError(t, err)
+
+				return expectedOutput
+			}(),
+		},
+		"getBlockchainID readOnly": {
+			Caller: callerAddr,
+			InputFn: func(t testing.TB) []byte {
+				input, err := PackGetBlockchainID()
+				require.NoError(t, err)
+
+				return input
+			},
+			SuppliedGas: GetBlockchainIDGasCost,
+			ReadOnly:    true,
+			ExpectedRes: func() []byte {
+				expectedOutput, err := PackGetBlockchainIDOutput(common.Hash(blockchainID))
+				require.NoError(t, err)
+
+				return expectedOutput
+			}(),
+		},
+		"getBlockchainID insufficient gas": {
+			Caller: callerAddr,
+			InputFn: func(t testing.TB) []byte {
+				input, err := PackGetBlockchainID()
+				require.NoError(t, err)
+
+				return input
+			},
+			SuppliedGas: GetBlockchainIDGasCost - 1,
+			ReadOnly:    false,
+			ExpectedErr: vmerrs.ErrOutOfGas.Error(),
+		},
+	}
+
+	testutils.RunPrecompileTests(t, Module, state.NewTestStateDB, tests)
+}
+
+func TestSendWarpMessage(t *testing.T) {
+	callerAddr := common.HexToAddress("0x0123")
+	receiverAddr := common.HexToAddress("0x456789")
+
+	defaultSnowCtx := snow.DefaultContextTest()
+	blockchainID := defaultSnowCtx.ChainID
+	destinationChainID := ids.GenerateTestID()
+	sendWarpMessagePayload := utils.RandomBytes(100)
+
+	sendWarpMessageInput, err := PackSendWarpMessage(SendWarpMessageInput{
+		DestinationChainID: common.Hash(destinationChainID),
+		DestinationAddress: receiverAddr,
+		Payload:            sendWarpMessagePayload,
+	})
+	require.NoError(t, err)
+
+	tests := map[string]testutils.PrecompileTest{
+		"send warp message readOnly": {
+			Caller:      callerAddr,
+			InputFn:     func(t testing.TB) []byte { return sendWarpMessageInput },
+			SuppliedGas: SendWarpMessageGasCost + uint64(len(sendWarpMessageInput[4:])*int(SendWarpMessageGasCostPerByte)),
+			ReadOnly:    true,
+			ExpectedErr: vmerrs.ErrWriteProtection.Error(),
+		},
+		"send warp message insufficient gas for first step": {
+			Caller:      callerAddr,
+			InputFn:     func(t testing.TB) []byte { return sendWarpMessageInput },
+			SuppliedGas: SendWarpMessageGasCost - 1,
+			ReadOnly:    false,
+			ExpectedErr: vmerrs.ErrOutOfGas.Error(),
+		},
+		"send warp message insufficient gas for payload bytes": {
+			Caller:      callerAddr,
+			InputFn:     func(t testing.TB) []byte { return sendWarpMessageInput },
+			SuppliedGas: SendWarpMessageGasCost + uint64(len(sendWarpMessageInput[4:])*int(SendWarpMessageGasCostPerByte)) - 1,
+			ReadOnly:    false,
+			ExpectedErr: vmerrs.ErrOutOfGas.Error(),
+		},
+		"send warp message invalid input": {
+			Caller: callerAddr,
+			InputFn: func(t testing.TB) []byte {
+				return sendWarpMessageInput[:4] // Include only the function selector, so that the input is invalid
+			},
+			SuppliedGas: SendWarpMessageGasCost,
+			ReadOnly:    false,
+			ExpectedErr: errInvalidSendInput.Error(),
+		},
+		"send warp message success": {
+			Caller:      callerAddr,
+			InputFn:     func(t testing.TB) []byte { return sendWarpMessageInput },
+			SuppliedGas: SendWarpMessageGasCost + uint64(len(sendWarpMessageInput[4:])*int(SendWarpMessageGasCostPerByte)),
+			ReadOnly:    false,
+			ExpectedRes: []byte{},
+			AfterHook: func(t testing.TB, state contract.StateDB) {
+				logsData := state.GetLogData()
+				require.Len(t, logsData, 1)
+				logData := logsData[0]
+
+				unsignedWarpMsg, err := avalancheWarp.ParseUnsignedMessage(logData)
+				require.NoError(t, err)
+				addressedPayload, err := warpPayload.ParseAddressedPayload(unsignedWarpMsg.Payload)
+				require.NoError(t, err)
+
+				require.Equal(t, addressedPayload.SourceAddress, callerAddr)
+				require.Equal(t, unsignedWarpMsg.SourceChainID, blockchainID)
+				require.Equal(t, addressedPayload.DestinationChainID, common.Hash(destinationChainID))
+				require.Equal(t, addressedPayload.DestinationAddress, receiverAddr)
+				require.Equal(t, addressedPayload.Payload, sendWarpMessagePayload)
+			},
+		},
+	}
+
+	testutils.RunPrecompileTests(t, Module, state.NewTestStateDB, tests)
+}
+
+func TestGetVerifiedWarpMessage(t *testing.T) {
+	networkID := uint32(54321)
+	callerAddr := common.HexToAddress("0x0123")
+	sourceAddress := common.HexToAddress("0x456789")
+	destinationAddress := common.HexToAddress("0x987654")
+	sourceChainID := ids.GenerateTestID()
+	packagedPayloadBytes := []byte("mcsorley")
+	addressedPayload, err := warpPayload.NewAddressedPayload(
+		sourceAddress,
+		common.Hash(destinationChainID),
+		destinationAddress,
+		packagedPayloadBytes,
+	)
+	require.NoError(t, err)
+	unsignedWarpMsg, err := avalancheWarp.NewUnsignedMessage(networkID, sourceChainID, addressedPayload.Bytes())
+	require.NoError(t, err)
+	warpMessage, err := avalancheWarp.NewMessage(unsignedWarpMsg, &avalancheWarp.BitSetSignature{}) // Create message with empty signature for testing
+	require.NoError(t, err)
+	warpMessagePredicateBytes := predicateutils.PackPredicate(warpMessage.Bytes())
+	getVerifiedWarpMsg, err := PackGetVerifiedWarpMessage()
+	require.NoError(t, err)
+
+	tests := map[string]testutils.PrecompileTest{
+		"get message success": {
+			Caller:  callerAddr,
+			InputFn: func(t testing.TB) []byte { return getVerifiedWarpMsg },
+			BeforeHook: func(t testing.TB, state contract.StateDB) {
+				state.SetPredicateStorageSlots(ContractAddress, warpMessagePredicateBytes)
+			},
+			SuppliedGas: GetVerifiedWarpMessageBaseCost + GasCostPerWarpMessageBytes*uint64(len(warpMessagePredicateBytes)),
+			ReadOnly:    false,
+			ExpectedRes: func() []byte {
+				res, err := PackGetVerifiedWarpMessageOutput(GetVerifiedWarpMessageOutput{
+					Message: WarpMessage{
+						OriginChainID:       common.Hash(sourceChainID),
+						OriginSenderAddress: sourceAddress,
+						DestinationChainID:  common.Hash(destinationChainID),
+						DestinationAddress:  destinationAddress,
+						Payload:             packagedPayloadBytes,
+					},
+					Exists: true,
+				})
+				if err != nil {
+					panic(err)
+				}
+				return res
+			}(),
+		},
+		"get non-existent message": {
+			Caller:      callerAddr,
+			InputFn:     func(t testing.TB) []byte { return getVerifiedWarpMsg },
+			SuppliedGas: GetVerifiedWarpMessageBaseCost,
+			ReadOnly:    false,
+			ExpectedRes: func() []byte {
+				res, err := PackGetVerifiedWarpMessageOutput(GetVerifiedWarpMessageOutput{Exists: false})
+				if err != nil {
+					panic(err)
+				}
+				return res
+			}(),
+		},
+		"get message success readOnly": {
+			Caller:  callerAddr,
+			InputFn: func(t testing.TB) []byte { return getVerifiedWarpMsg },
+			BeforeHook: func(t testing.TB, state contract.StateDB) {
+				state.SetPredicateStorageSlots(ContractAddress, warpMessagePredicateBytes)
+			},
+			SuppliedGas: GetVerifiedWarpMessageBaseCost + GasCostPerWarpMessageBytes*uint64(len(warpMessagePredicateBytes)),
+			ReadOnly:    true,
+			ExpectedRes: func() []byte {
+				res, err := PackGetVerifiedWarpMessageOutput(GetVerifiedWarpMessageOutput{
+					Message: WarpMessage{
+						OriginChainID:       common.Hash(sourceChainID),
+						OriginSenderAddress: sourceAddress,
+						DestinationChainID:  common.Hash(destinationChainID),
+						DestinationAddress:  destinationAddress,
+						Payload:             packagedPayloadBytes,
+					},
+					Exists: true,
+				})
+				if err != nil {
+					panic(err)
+				}
+				return res
+			}(),
+		},
+		"get non-existent message readOnly": {
+			Caller:      callerAddr,
+			InputFn:     func(t testing.TB) []byte { return getVerifiedWarpMsg },
+			SuppliedGas: GetVerifiedWarpMessageBaseCost,
+			ReadOnly:    true,
+			ExpectedRes: func() []byte {
+				res, err := PackGetVerifiedWarpMessageOutput(GetVerifiedWarpMessageOutput{Exists: false})
+				if err != nil {
+					panic(err)
+				}
+				return res
+			}(),
+		},
+		"get message out of gas": {
+			Caller:  callerAddr,
+			InputFn: func(t testing.TB) []byte { return getVerifiedWarpMsg },
+			BeforeHook: func(t testing.TB, state contract.StateDB) {
+				state.SetPredicateStorageSlots(ContractAddress, warpMessagePredicateBytes)
+			},
+			SuppliedGas: GetVerifiedWarpMessageBaseCost + GasCostPerWarpMessageBytes*uint64(len(warpMessagePredicateBytes)) - 1,
+			ReadOnly:    false,
+			ExpectedErr: vmerrs.ErrOutOfGas.Error(),
+		},
+		"get message invalid predicate packing": {
+			Caller:  callerAddr,
+			InputFn: func(t testing.TB) []byte { return getVerifiedWarpMsg },
+			BeforeHook: func(t testing.TB, state contract.StateDB) {
+				state.SetPredicateStorageSlots(ContractAddress, warpMessage.Bytes())
+			},
+			SuppliedGas: GetVerifiedWarpMessageBaseCost + GasCostPerWarpMessageBytes*uint64(len(warpMessage.Bytes())),
+			ReadOnly:    false,
+			ExpectedErr: errInvalidPredicateBytes.Error(),
+		},
+		"get message invalid warp message": {
+			Caller:  callerAddr,
+			InputFn: func(t testing.TB) []byte { return getVerifiedWarpMsg },
+			BeforeHook: func(t testing.TB, state contract.StateDB) {
+				state.SetPredicateStorageSlots(ContractAddress, predicateutils.PackPredicate([]byte{1, 2, 3}))
+			},
+			SuppliedGas: GetVerifiedWarpMessageBaseCost + GasCostPerWarpMessageBytes*uint64(32),
+			ReadOnly:    false,
+			ExpectedErr: errInvalidWarpMsg.Error(),
+		},
+		"get message invalid addressed payload": {
+			Caller:  callerAddr,
+			InputFn: func(t testing.TB) []byte { return getVerifiedWarpMsg },
+			BeforeHook: func(t testing.TB, state contract.StateDB) {
+				unsignedMessage, err := avalancheWarp.NewUnsignedMessage(networkID, sourceChainID, []byte{1, 2, 3}) // Invalid addressed payload
+				require.NoError(t, err)
+				warpMessage, err := avalancheWarp.NewMessage(unsignedMessage, &avalancheWarp.BitSetSignature{})
+				require.NoError(t, err)
+
+				state.SetPredicateStorageSlots(ContractAddress, predicateutils.PackPredicate(warpMessage.Bytes()))
+			},
+			SuppliedGas: GetVerifiedWarpMessageBaseCost + GasCostPerWarpMessageBytes*uint64(160),
+			ReadOnly:    false,
+			ExpectedErr: errInvalidAddressedPayload.Error(),
+		},
+	}
+
+	testutils.RunPrecompileTests(t, Module, state.NewTestStateDB, tests)
+}
diff --git a/x/warp/module.go b/x/warp/module.go
new file mode 100644
index 0000000000..db7402ca96
--- /dev/null
+++ b/x/warp/module.go
@@ -0,0 +1,56 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package warp
+
+import (
+	"fmt"
+
+	"github.com/ava-labs/subnet-evm/precompile/contract"
+	"github.com/ava-labs/subnet-evm/precompile/modules"
+	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
+
+	"github.com/ethereum/go-ethereum/common"
+)
+
+var _ contract.Configurator = &configurator{}
+
+// ConfigKey is the key used in json config files to specify this precompile precompileconfig.
+// must be unique across all precompiles.
+const ConfigKey = "warpConfig"
+
+// ContractAddress is the address of the warp precompile contract
+var ContractAddress = common.HexToAddress("0x0200000000000000000000000000000000000005")
+
+// Module is the precompile module. It is used to register the precompile contract.
+var Module = modules.Module{
+	ConfigKey:    ConfigKey,
+	Address:      ContractAddress,
+	Contract:     WarpPrecompile,
+	Configurator: &configurator{},
+}
+
+type configurator struct{}
+
+func init() {
+	// Register the precompile module.
+	// Each precompile contract registers itself through [RegisterModule] function.
+	if err := modules.RegisterModule(Module); err != nil {
+		panic(err)
+	}
+}
+
+// MakeConfig returns a new precompile config instance.
+// This is required for Marshal/Unmarshal the precompile config.
+func (*configurator) MakeConfig() precompileconfig.Config {
+	return new(Config)
+}
+
+// Configure is a no-op for warp since it does not need to store any information in the state
+func (*configurator) Configure(chainConfig contract.ChainConfig, cfg precompileconfig.Config, state contract.StateDB, _ contract.BlockContext) error {
+	config, ok := cfg.(*Config)
+	if !ok {
+		return fmt.Errorf("incorrect config %T: %v", config, config)
+	}
+	return nil
+}
diff --git a/x/warp/predicate_test.go b/x/warp/predicate_test.go
new file mode 100644
index 0000000000..423249848d
--- /dev/null
+++ b/x/warp/predicate_test.go
@@ -0,0 +1,608 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package warp
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"testing"
+
+	"github.com/ava-labs/avalanchego/ids"
+	"github.com/ava-labs/avalanchego/snow"
+	"github.com/ava-labs/avalanchego/snow/engine/snowman/block"
+	"github.com/ava-labs/avalanchego/snow/validators"
+	"github.com/ava-labs/avalanchego/utils"
+	"github.com/ava-labs/avalanchego/utils/crypto/bls"
+	"github.com/ava-labs/avalanchego/utils/set"
+	avalancheWarp "github.com/ava-labs/avalanchego/vms/platformvm/warp"
+	"github.com/ava-labs/subnet-evm/params"
+	"github.com/ava-labs/subnet-evm/precompile/precompileconfig"
+	"github.com/ava-labs/subnet-evm/precompile/testutils"
+	subnetEVMUtils "github.com/ava-labs/subnet-evm/utils"
+	predicateutils "github.com/ava-labs/subnet-evm/utils/predicate"
+	warpPayload "github.com/ava-labs/subnet-evm/warp/payload"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/golang/mock/gomock"
+	"github.com/stretchr/testify/require"
+)
+
+const pChainHeight uint64 = 1337
+
+var (
+	_ utils.Sortable[*testValidator] = (*testValidator)(nil)
+
+	errTest            = errors.New("non-nil error")
+	networkID          = uint32(54321)
+	sourceChainID      = ids.GenerateTestID()
+	sourceSubnetID     = ids.GenerateTestID()
+	destinationChainID = ids.GenerateTestID()
+
+	// valid unsigned warp message used throughout testing
+	unsignedMsg *avalancheWarp.UnsignedMessage
+	// valid addressed payload
+	addressedPayload      *warpPayload.AddressedPayload
+	addressedPayloadBytes []byte
+	// blsSignatures of [unsignedMsg] from each of [testVdrs]
+	blsSignatures []*bls.Signature
+
+	numTestVdrs = 10_000
+	testVdrs    []*testValidator
+	vdrs        map[ids.NodeID]*validators.GetValidatorOutput
+	tests       []signatureTest
+
+	predicateTests = make(map[string]testutils.PredicateTest)
+)
+
+func init() {
+	testVdrs = make([]*testValidator, 0, numTestVdrs)
+	for i := 0; i < numTestVdrs; i++ {
+		testVdrs = append(testVdrs, newTestValidator())
+	}
+	utils.Sort(testVdrs)
+
+	vdrs = map[ids.NodeID]*validators.GetValidatorOutput{
+		testVdrs[0].nodeID: {
+			NodeID:    testVdrs[0].nodeID,
+			PublicKey: testVdrs[0].vdr.PublicKey,
+			Weight:    testVdrs[0].vdr.Weight,
+		},
+		testVdrs[1].nodeID: {
+			NodeID:    testVdrs[1].nodeID,
+			PublicKey: testVdrs[1].vdr.PublicKey,
+			Weight:    testVdrs[1].vdr.Weight,
+		},
+		testVdrs[2].nodeID: {
+			NodeID:    testVdrs[2].nodeID,
+			PublicKey: testVdrs[2].vdr.PublicKey,
+			Weight:    testVdrs[2].vdr.Weight,
+		},
+	}
+
+	var err error
+	addressedPayload, err = warpPayload.NewAddressedPayload(
+		common.Address(ids.GenerateTestShortID()),
+		common.Hash(destinationChainID),
+		common.Address(ids.GenerateTestShortID()),
+		[]byte{1, 2, 3},
+	)
+	if err != nil {
+		panic(err)
+	}
+	addressedPayloadBytes = addressedPayload.Bytes()
+	unsignedMsg, err = avalancheWarp.NewUnsignedMessage(networkID, sourceChainID, addressedPayload.Bytes())
+	if err != nil {
+		panic(err)
+	}
+
+	for _, testVdr := range testVdrs {
+		blsSignature := bls.Sign(testVdr.sk, unsignedMsg.Bytes())
+		blsSignatures = append(blsSignatures, blsSignature)
+	}
+
+	initWarpPredicateTests()
+}
+
+type testValidator struct {
+	nodeID ids.NodeID
+	sk     *bls.SecretKey
+	vdr    *avalancheWarp.Validator
+}
+
+func (v *testValidator) Less(o *testValidator) bool {
+	return v.vdr.Less(o.vdr)
+}
+
+func newTestValidator() *testValidator {
+	sk, err := bls.NewSecretKey()
+	if err != nil {
+		panic(err)
+	}
+
+	nodeID := ids.GenerateTestNodeID()
+	pk := bls.PublicFromSecretKey(sk)
+	return &testValidator{
+		nodeID: nodeID,
+		sk:     sk,
+		vdr: &avalancheWarp.Validator{
+			PublicKey:      pk,
+			PublicKeyBytes: pk.Serialize(),
+			Weight:         3,
+			NodeIDs:        []ids.NodeID{nodeID},
+		},
+	}
+}
+
+type signatureTest struct {
+	name      string
+	stateF    func(*gomock.Controller) validators.State
+	quorumNum uint64
+	quorumDen uint64
+	msgF      func(*require.Assertions) *avalancheWarp.Message
+	err       error
+}
+
+// createWarpMessage constructs a signed warp message using the global variable [unsignedMsg]
+// and the first [numKeys] signatures from [blsSignatures]
+func createWarpMessage(numKeys int) *avalancheWarp.Message {
+	aggregateSignature, err := bls.AggregateSignatures(blsSignatures[0:numKeys])
+	if err != nil {
+		panic(err)
+	}
+	bitSet := set.NewBits()
+	for i := 0; i < numKeys; i++ {
+		bitSet.Add(i)
+	}
+	warpSignature := &avalancheWarp.BitSetSignature{
+		Signers: bitSet.Bytes(),
+	}
+	copy(warpSignature.Signature[:], bls.SignatureToBytes(aggregateSignature))
+	warpMsg, err := avalancheWarp.NewMessage(unsignedMsg, warpSignature)
+	if err != nil {
+		panic(err)
+	}
+	return warpMsg
+}
+
+// createPredicate constructs a warp message using createWarpMessage with numKeys signers
+// and packs it into predicate encoding.
+func createPredicate(numKeys int) []byte {
+	warpMsg := createWarpMessage(numKeys)
+	predicateBytes := predicateutils.PackPredicate(warpMsg.Bytes())
+	return predicateBytes
+}
+
+// validatorRange specifies a range of validators to include from [start, end), a staking weight
+// to specify for each validator in that range, and whether or not to include the public key.
+type validatorRange struct {
+	start     int
+	end       int
+	weight    uint64
+	publicKey bool
+}
+
+// createSnowCtx creates a snow.Context instance with a validator state specified by the given validatorRanges
+func createSnowCtx(validatorRanges []validatorRange) *snow.Context {
+	getValidatorsOutput := make(map[ids.NodeID]*validators.GetValidatorOutput)
+
+	for _, validatorRange := range validatorRanges {
+		for i := validatorRange.start; i < validatorRange.end; i++ {
+			validatorOutput := &validators.GetValidatorOutput{
+				NodeID: testVdrs[i].nodeID,
+				Weight: validatorRange.weight,
+			}
+			if validatorRange.publicKey {
+				validatorOutput.PublicKey = testVdrs[i].vdr.PublicKey
+			}
+			getValidatorsOutput[testVdrs[i].nodeID] = validatorOutput
+		}
+	}
+
+	snowCtx := snow.DefaultContextTest()
+	state := &validators.TestState{
+		GetSubnetIDF: func(ctx context.Context, chainID ids.ID) (ids.ID, error) {
+			return sourceSubnetID, nil
+		},
+		GetValidatorSetF: func(ctx context.Context, height uint64, subnetID ids.ID) (map[ids.NodeID]*validators.GetValidatorOutput, error) {
+			return getValidatorsOutput, nil
+		},
+	}
+	snowCtx.ValidatorState = state
+	snowCtx.NetworkID = networkID
+	return snowCtx
+}
+
+func createValidPredicateTest(snowCtx *snow.Context, numKeys uint64, predicateBytes []byte) testutils.PredicateTest {
+	return testutils.PredicateTest{
+		Config: NewDefaultConfig(subnetEVMUtils.NewUint64(0)),
+		ProposerPredicateContext: &precompileconfig.ProposerPredicateContext{
+			PrecompilePredicateContext: precompileconfig.PrecompilePredicateContext{
+				SnowCtx: snowCtx,
+			},
+			ProposerVMBlockCtx: &block.Context{
+				PChainHeight: 1,
+			},
+		},
+		StorageSlots: predicateBytes,
+		Gas:          GasCostPerSignatureVerification + uint64(len(predicateBytes))*GasCostPerWarpMessageBytes + numKeys*GasCostPerWarpSigner,
+		GasErr:       nil,
+		PredicateErr: nil,
+	}
+}
+
+func TestWarpNilProposerCtx(t *testing.T) {
+	numKeys := 1
+	snowCtx := createSnowCtx([]validatorRange{
+		{
+			start:  0,
+			end:    numKeys,
+			weight: 20,
+		},
+	})
+	predicateBytes := createPredicate(numKeys)
+	test := testutils.PredicateTest{
+		Config: NewDefaultConfig(subnetEVMUtils.NewUint64(0)),
+		ProposerPredicateContext: &precompileconfig.ProposerPredicateContext{
+			PrecompilePredicateContext: precompileconfig.PrecompilePredicateContext{
+				SnowCtx: snowCtx,
+			},
+			ProposerVMBlockCtx: nil,
+		},
+		StorageSlots: predicateBytes,
+		Gas:          GasCostPerSignatureVerification + uint64(len(predicateBytes))*GasCostPerWarpMessageBytes + uint64(numKeys)*GasCostPerWarpSigner,
+		GasErr:       nil,
+		PredicateErr: errNoProposerCtxPredicate,
+	}
+
+	test.Run(t)
+}
+
+func TestInvalidPredicatePacking(t *testing.T) {
+	numKeys := 1
+	snowCtx := createSnowCtx([]validatorRange{
+		{
+			start:  0,
+			end:    numKeys,
+			weight: 20,
+		},
+	})
+	predicateBytes := createPredicate(numKeys)
+	predicateBytes = append(predicateBytes, byte(0x01)) // Invalidate the predicate byte packing
+
+	test := testutils.PredicateTest{
+		Config: NewDefaultConfig(subnetEVMUtils.NewUint64(0)),
+		ProposerPredicateContext: &precompileconfig.ProposerPredicateContext{
+			PrecompilePredicateContext: precompileconfig.PrecompilePredicateContext{
+				SnowCtx: snowCtx,
+			},
+			ProposerVMBlockCtx: &block.Context{
+				PChainHeight: 1,
+			},
+		},
+		StorageSlots: predicateBytes,
+		Gas:          GasCostPerSignatureVerification + uint64(len(predicateBytes))*GasCostPerWarpMessageBytes + uint64(numKeys)*GasCostPerWarpSigner,
+		GasErr:       errInvalidPredicateBytes,
+		PredicateErr: nil, // Won't be reached
+	}
+
+	test.Run(t)
+}
+
+func TestInvalidWarpMessage(t *testing.T) {
+	numKeys := 1
+	snowCtx := createSnowCtx([]validatorRange{
+		{
+			start:  0,
+			end:    numKeys,
+			weight: 20,
+		},
+	})
+	warpMsg := createWarpMessage(1)
+	warpMsgBytes := warpMsg.Bytes()
+	warpMsgBytes = append(warpMsgBytes, byte(0x01)) // Invalidate warp message packing
+	predicateBytes := predicateutils.PackPredicate(warpMsgBytes)
+
+	test := testutils.PredicateTest{
+		Config: NewDefaultConfig(subnetEVMUtils.NewUint64(0)),
+		ProposerPredicateContext: &precompileconfig.ProposerPredicateContext{
+			PrecompilePredicateContext: precompileconfig.PrecompilePredicateContext{
+				SnowCtx: snowCtx,
+			},
+			ProposerVMBlockCtx: &block.Context{
+				PChainHeight: 1,
+			},
+		},
+		StorageSlots: predicateBytes,
+		Gas:          GasCostPerSignatureVerification + uint64(len(predicateBytes))*GasCostPerWarpMessageBytes + uint64(numKeys)*GasCostPerWarpSigner,
+		GasErr:       errInvalidWarpMsg,
+		PredicateErr: nil, // Won't be reached
+	}
+
+	test.Run(t)
+}
+
+func TestInvalidAddressedPayload(t *testing.T) {
+	numKeys := 1
+	snowCtx := createSnowCtx([]validatorRange{
+		{
+			start:  0,
+			end:    numKeys,
+			weight: 20,
+		},
+	})
+	aggregateSignature, err := bls.AggregateSignatures(blsSignatures[0:numKeys])
+	require.NoError(t, err)
+	bitSet := set.NewBits()
+	for i := 0; i < numKeys; i++ {
+		bitSet.Add(i)
+	}
+	warpSignature := &avalancheWarp.BitSetSignature{
+		Signers: bitSet.Bytes(),
+	}
+	copy(warpSignature.Signature[:], bls.SignatureToBytes(aggregateSignature))
+	// Create an unsigned message with an invalid addressed payload
+	unsignedMsg, err := avalancheWarp.NewUnsignedMessage(networkID, sourceChainID, []byte{1, 2, 3})
+	require.NoError(t, err)
+	warpMsg, err := avalancheWarp.NewMessage(unsignedMsg, warpSignature)
+	require.NoError(t, err)
+	warpMsgBytes := warpMsg.Bytes()
+	predicateBytes := predicateutils.PackPredicate(warpMsgBytes)
+
+	test := testutils.PredicateTest{
+		Config: NewDefaultConfig(subnetEVMUtils.NewUint64(0)),
+		ProposerPredicateContext: &precompileconfig.ProposerPredicateContext{
+			PrecompilePredicateContext: precompileconfig.PrecompilePredicateContext{
+				SnowCtx: snowCtx,
+			},
+			ProposerVMBlockCtx: &block.Context{
+				PChainHeight: 1,
+			},
+		},
+		StorageSlots: predicateBytes,
+		Gas:          GasCostPerSignatureVerification + uint64(len(predicateBytes))*GasCostPerWarpMessageBytes + uint64(numKeys)*GasCostPerWarpSigner,
+		GasErr:       nil,
+		PredicateErr: errInvalidAddressedPayload,
+	}
+
+	test.Run(t)
+}
+
+func TestInvalidBitSet(t *testing.T) {
+	unsignedMsg, err := avalancheWarp.NewUnsignedMessage(
+		networkID,
+		sourceChainID,
+		[]byte{1, 2, 3},
+	)
+	require.NoError(t, err)
+
+	msg, err := avalancheWarp.NewMessage(
+		unsignedMsg,
+		&avalancheWarp.BitSetSignature{
+			Signers:   make([]byte, 1),
+			Signature: [bls.SignatureLen]byte{},
+		},
+	)
+	require.NoError(t, err)
+
+	numKeys := 1
+	snowCtx := createSnowCtx([]validatorRange{
+		{
+			start:  0,
+			end:    numKeys,
+			weight: 20,
+		},
+	})
+	predicateBytes := predicateutils.PackPredicate(msg.Bytes())
+	test := testutils.PredicateTest{
+		Config: NewDefaultConfig(subnetEVMUtils.NewUint64(0)),
+		ProposerPredicateContext: &precompileconfig.ProposerPredicateContext{
+			PrecompilePredicateContext: precompileconfig.PrecompilePredicateContext{
+				SnowCtx: snowCtx,
+			},
+			ProposerVMBlockCtx: &block.Context{
+				PChainHeight: 1,
+			},
+		},
+		StorageSlots: predicateBytes,
+		Gas:          GasCostPerSignatureVerification + uint64(len(predicateBytes))*GasCostPerWarpMessageBytes + uint64(numKeys)*GasCostPerWarpSigner,
+		GasErr:       errCannotGetNumSigners,
+		PredicateErr: nil, // Won't be reached
+	}
+
+	test.Run(t)
+}
+
+func TestWarpSignatureWeightsDefaultQuorumNumerator(t *testing.T) {
+	snowCtx := createSnowCtx([]validatorRange{
+		{
+			start:     0,
+			end:       100,
+			weight:    20,
+			publicKey: true,
+		},
+	})
+
+	tests := make(map[string]testutils.PredicateTest)
+	for _, numSigners := range []int{
+		1,
+		int(params.WarpDefaultQuorumNumerator) - 1,
+		int(params.WarpDefaultQuorumNumerator),
+		int(params.WarpDefaultQuorumNumerator) + 1,
+		int(params.WarpQuorumDenominator) - 1,
+		int(params.WarpQuorumDenominator),
+		int(params.WarpQuorumDenominator) + 1,
+	} {
+		var (
+			predicateBytes       = createPredicate(numSigners)
+			expectedPredicateErr error
+		)
+		// If the number of signers is less than the params.WarpDefaultQuorumNumerator (67)
+		if numSigners < int(params.WarpDefaultQuorumNumerator) {
+			expectedPredicateErr = avalancheWarp.ErrInsufficientWeight
+		}
+		if numSigners > int(params.WarpQuorumDenominator) {
+			expectedPredicateErr = avalancheWarp.ErrUnknownValidator
+		}
+		tests[fmt.Sprintf("default quorum %d signature(s)", numSigners)] = testutils.PredicateTest{
+			Config: NewDefaultConfig(subnetEVMUtils.NewUint64(0)),
+			ProposerPredicateContext: &precompileconfig.ProposerPredicateContext{
+				PrecompilePredicateContext: precompileconfig.PrecompilePredicateContext{
+					SnowCtx: snowCtx,
+				},
+				ProposerVMBlockCtx: &block.Context{
+					PChainHeight: 1,
+				},
+			},
+			StorageSlots: predicateBytes,
+			Gas:          GasCostPerSignatureVerification + uint64(len(predicateBytes))*GasCostPerWarpMessageBytes + uint64(numSigners)*GasCostPerWarpSigner,
+			GasErr:       nil,
+			PredicateErr: expectedPredicateErr,
+		}
+	}
+	testutils.RunPredicateTests(t, tests)
+}
+
+func TestWarpSignatureWeightsNonDefaultQuorumNumerator(t *testing.T) {
+	snowCtx := createSnowCtx([]validatorRange{
+		{
+			start:     0,
+			end:       100,
+			weight:    20,
+			publicKey: true,
+		},
+	})
+
+	tests := make(map[string]testutils.PredicateTest)
+	nonDefaultQuorumNumerator := 50
+	// Ensure this test fails if the DefaultQuroumNumerator is changed to an unexpected value during development
+	require.NotEqual(t, nonDefaultQuorumNumerator, int(params.WarpDefaultQuorumNumerator))
+	// Add cases with default quorum
+	for _, numSigners := range []int{nonDefaultQuorumNumerator, nonDefaultQuorumNumerator + 1, 99, 100, 101} {
+		var (
+			predicateBytes       = createPredicate(numSigners)
+			expectedPredicateErr error
+		)
+		// If the number of signers is less than the quorum numerator, expect ErrInsufficientWeight
+		if numSigners < nonDefaultQuorumNumerator {
+			expectedPredicateErr = avalancheWarp.ErrInsufficientWeight
+		}
+		if numSigners > int(params.WarpQuorumDenominator) {
+			expectedPredicateErr = avalancheWarp.ErrUnknownValidator
+		}
+		name := fmt.Sprintf("non-default quorum %d signature(s)", numSigners)
+		tests[name] = testutils.PredicateTest{
+			Config: NewConfig(subnetEVMUtils.NewUint64(0), uint64(nonDefaultQuorumNumerator)),
+			ProposerPredicateContext: &precompileconfig.ProposerPredicateContext{
+				PrecompilePredicateContext: precompileconfig.PrecompilePredicateContext{
+					SnowCtx: snowCtx,
+				},
+				ProposerVMBlockCtx: &block.Context{
+					PChainHeight: 1,
+				},
+			},
+			StorageSlots: predicateBytes,
+			Gas:          GasCostPerSignatureVerification + uint64(len(predicateBytes))*GasCostPerWarpMessageBytes + uint64(numSigners)*GasCostPerWarpSigner,
+			GasErr:       nil,
+			PredicateErr: expectedPredicateErr,
+		}
+	}
+
+	testutils.RunPredicateTests(t, tests)
+}
+
+func initWarpPredicateTests() {
+	for _, totalNodes := range []int{10, 100, 1_000, 10_000} {
+		testName := fmt.Sprintf("%d signers/%d validators", totalNodes, totalNodes)
+
+		predicateBytes := createPredicate(totalNodes)
+		snowCtx := createSnowCtx([]validatorRange{
+			{
+				start:     0,
+				end:       totalNodes,
+				weight:    20,
+				publicKey: true,
+			},
+		})
+		predicateTests[testName] = createValidPredicateTest(snowCtx, uint64(totalNodes), predicateBytes)
+	}
+
+	numSigners := 10
+	for _, totalNodes := range []int{100, 1_000, 10_000} {
+		testName := fmt.Sprintf("%d signers (heavily weighted)/%d validators", numSigners, totalNodes)
+
+		predicateBytes := createPredicate(numSigners)
+		snowCtx := createSnowCtx([]validatorRange{
+			{
+				start:     0,
+				end:       numSigners,
+				weight:    10_000_000,
+				publicKey: true,
+			},
+			{
+				start:     numSigners,
+				end:       totalNodes,
+				weight:    20,
+				publicKey: true,
+			},
+		})
+		predicateTests[testName] = createValidPredicateTest(snowCtx, uint64(numSigners), predicateBytes)
+	}
+
+	for _, totalNodes := range []int{100, 1_000, 10_000} {
+		testName := fmt.Sprintf("%d signers (heavily weighted)/%d validators (non-signers without registered PublicKey)", numSigners, totalNodes)
+
+		predicateBytes := createPredicate(numSigners)
+		snowCtx := createSnowCtx([]validatorRange{
+			{
+				start:     0,
+				end:       numSigners,
+				weight:    10_000_000,
+				publicKey: true,
+			},
+			{
+				start:     numSigners,
+				end:       totalNodes,
+				weight:    20,
+				publicKey: false,
+			},
+		})
+		predicateTests[testName] = createValidPredicateTest(snowCtx, uint64(numSigners), predicateBytes)
+	}
+
+	for _, totalNodes := range []int{100, 1_000, 10_000} {
+		testName := fmt.Sprintf("%d validators w/ %d signers/repeated PublicKeys", totalNodes, numSigners)
+
+		predicateBytes := createPredicate(numSigners)
+		getValidatorsOutput := make(map[ids.NodeID]*validators.GetValidatorOutput, totalNodes)
+		for i := 0; i < totalNodes; i++ {
+			getValidatorsOutput[testVdrs[i].nodeID] = &validators.GetValidatorOutput{
+				NodeID:    testVdrs[i].nodeID,
+				Weight:    20,
+				PublicKey: testVdrs[i%numSigners].vdr.PublicKey,
+			}
+		}
+
+		snowCtx := snow.DefaultContextTest()
+		snowCtx.NetworkID = networkID
+		state := &validators.TestState{
+			GetSubnetIDF: func(ctx context.Context, chainID ids.ID) (ids.ID, error) {
+				return sourceSubnetID, nil
+			},
+			GetValidatorSetF: func(ctx context.Context, height uint64, subnetID ids.ID) (map[ids.NodeID]*validators.GetValidatorOutput, error) {
+				return getValidatorsOutput, nil
+			},
+		}
+		snowCtx.ValidatorState = state
+
+		predicateTests[testName] = createValidPredicateTest(snowCtx, uint64(numSigners), predicateBytes)
+	}
+}
+
+func TestWarpPredicate(t *testing.T) {
+	testutils.RunPredicateTests(t, predicateTests)
+}
+
+func BenchmarkWarpPredicate(b *testing.B) {
+	testutils.RunPredicateBenchmarks(b, predicateTests)
+}
diff --git a/x/warp/signature_verification_test.go b/x/warp/signature_verification_test.go
new file mode 100644
index 0000000000..cf6b9afe81
--- /dev/null
+++ b/x/warp/signature_verification_test.go
@@ -0,0 +1,653 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package warp
+
+import (
+	"context"
+	"math"
+	"testing"
+
+	"github.com/ava-labs/avalanchego/ids"
+	"github.com/ava-labs/avalanchego/snow/validators"
+	"github.com/ava-labs/avalanchego/utils/crypto/bls"
+	"github.com/ava-labs/avalanchego/utils/set"
+	avalancheWarp "github.com/ava-labs/avalanchego/vms/platformvm/warp"
+	"github.com/golang/mock/gomock"
+	"github.com/stretchr/testify/require"
+)
+
+// This test copies the test coverage from https://github.com/ava-labs/avalanchego/blob/v1.10.0/vms/platformvm/warp/signature_test.go#L137.
+// These tests are only expected to fail if there is a breaking change in AvalancheGo that unexpectedly changes behavior.
+func TestSignatureVerification(t *testing.T) {
+	tests = []signatureTest{
+		{
+			name: "can't get subnetID",
+			stateF: func(ctrl *gomock.Controller) validators.State {
+				state := validators.NewMockState(ctrl)
+				state.EXPECT().GetSubnetID(gomock.Any(), sourceChainID).Return(sourceSubnetID, errTest)
+				return state
+			},
+			quorumNum: 1,
+			quorumDen: 2,
+			msgF: func(require *require.Assertions) *avalancheWarp.Message {
+				unsignedMsg, err := avalancheWarp.NewUnsignedMessage(
+					networkID,
+					sourceChainID,
+					addressedPayloadBytes,
+				)
+				require.NoError(err)
+
+				msg, err := avalancheWarp.NewMessage(
+					unsignedMsg,
+					&avalancheWarp.BitSetSignature{},
+				)
+				require.NoError(err)
+				return msg
+			},
+			err: errTest,
+		},
+		{
+			name: "can't get validator set",
+			stateF: func(ctrl *gomock.Controller) validators.State {
+				state := validators.NewMockState(ctrl)
+				state.EXPECT().GetSubnetID(gomock.Any(), sourceChainID).Return(sourceSubnetID, nil)
+				state.EXPECT().GetValidatorSet(gomock.Any(), pChainHeight, sourceSubnetID).Return(nil, errTest)
+				return state
+			},
+			quorumNum: 1,
+			quorumDen: 2,
+			msgF: func(require *require.Assertions) *avalancheWarp.Message {
+				unsignedMsg, err := avalancheWarp.NewUnsignedMessage(
+					networkID,
+					sourceChainID,
+					addressedPayloadBytes,
+				)
+				require.NoError(err)
+
+				msg, err := avalancheWarp.NewMessage(
+					unsignedMsg,
+					&avalancheWarp.BitSetSignature{},
+				)
+				require.NoError(err)
+				return msg
+			},
+			err: errTest,
+		},
+		{
+			name: "weight overflow",
+			stateF: func(ctrl *gomock.Controller) validators.State {
+				state := validators.NewMockState(ctrl)
+				state.EXPECT().GetSubnetID(gomock.Any(), sourceChainID).Return(sourceSubnetID, nil)
+				state.EXPECT().GetValidatorSet(gomock.Any(), pChainHeight, sourceSubnetID).Return(map[ids.NodeID]*validators.GetValidatorOutput{
+					testVdrs[0].nodeID: {
+						NodeID:    testVdrs[0].nodeID,
+						PublicKey: testVdrs[0].vdr.PublicKey,
+						Weight:    math.MaxUint64,
+					},
+					testVdrs[1].nodeID: {
+						NodeID:    testVdrs[1].nodeID,
+						PublicKey: testVdrs[1].vdr.PublicKey,
+						Weight:    math.MaxUint64,
+					},
+				}, nil)
+				return state
+			},
+			quorumNum: 1,
+			quorumDen: 2,
+			msgF: func(require *require.Assertions) *avalancheWarp.Message {
+				unsignedMsg, err := avalancheWarp.NewUnsignedMessage(
+					networkID,
+					sourceChainID,
+					addressedPayloadBytes,
+				)
+				require.NoError(err)
+
+				msg, err := avalancheWarp.NewMessage(
+					unsignedMsg,
+					&avalancheWarp.BitSetSignature{
+						Signers: make([]byte, 8),
+					},
+				)
+				require.NoError(err)
+				return msg
+			},
+			err: avalancheWarp.ErrWeightOverflow,
+		},
+		{
+			name: "invalid bit set index",
+			stateF: func(ctrl *gomock.Controller) validators.State {
+				state := validators.NewMockState(ctrl)
+				state.EXPECT().GetSubnetID(gomock.Any(), sourceChainID).Return(sourceSubnetID, nil)
+				state.EXPECT().GetValidatorSet(gomock.Any(), pChainHeight, sourceSubnetID).Return(vdrs, nil)
+				return state
+			},
+			quorumNum: 1,
+			quorumDen: 2,
+			msgF: func(require *require.Assertions) *avalancheWarp.Message {
+				unsignedMsg, err := avalancheWarp.NewUnsignedMessage(
+					networkID,
+					sourceChainID,
+					addressedPayloadBytes,
+				)
+				require.NoError(err)
+
+				msg, err := avalancheWarp.NewMessage(
+					unsignedMsg,
+					&avalancheWarp.BitSetSignature{
+						Signers:   make([]byte, 1),
+						Signature: [bls.SignatureLen]byte{},
+					},
+				)
+				require.NoError(err)
+				return msg
+			},
+			err: avalancheWarp.ErrInvalidBitSet,
+		},
+		{
+			name: "unknown index",
+			stateF: func(ctrl *gomock.Controller) validators.State {
+				state := validators.NewMockState(ctrl)
+				state.EXPECT().GetSubnetID(gomock.Any(), sourceChainID).Return(sourceSubnetID, nil)
+				state.EXPECT().GetValidatorSet(gomock.Any(), pChainHeight, sourceSubnetID).Return(vdrs, nil)
+				return state
+			},
+			quorumNum: 1,
+			quorumDen: 2,
+			msgF: func(require *require.Assertions) *avalancheWarp.Message {
+				unsignedMsg, err := avalancheWarp.NewUnsignedMessage(
+					networkID,
+					sourceChainID,
+					addressedPayloadBytes,
+				)
+				require.NoError(err)
+
+				signers := set.NewBits()
+				signers.Add(3) // vdr oob
+
+				msg, err := avalancheWarp.NewMessage(
+					unsignedMsg,
+					&avalancheWarp.BitSetSignature{
+						Signers:   signers.Bytes(),
+						Signature: [bls.SignatureLen]byte{},
+					},
+				)
+				require.NoError(err)
+				return msg
+			},
+			err: avalancheWarp.ErrUnknownValidator,
+		},
+		{
+			name: "insufficient weight",
+			stateF: func(ctrl *gomock.Controller) validators.State {
+				state := validators.NewMockState(ctrl)
+				state.EXPECT().GetSubnetID(gomock.Any(), sourceChainID).Return(sourceSubnetID, nil)
+				state.EXPECT().GetValidatorSet(gomock.Any(), pChainHeight, sourceSubnetID).Return(vdrs, nil)
+				return state
+			},
+			quorumNum: 1,
+			quorumDen: 1,
+			msgF: func(require *require.Assertions) *avalancheWarp.Message {
+				unsignedMsg, err := avalancheWarp.NewUnsignedMessage(
+					networkID,
+					sourceChainID,
+					addressedPayloadBytes,
+				)
+				require.NoError(err)
+
+				// [signers] has weight from [vdr[0], vdr[1]],
+				// which is 6, which is less than 9
+				signers := set.NewBits()
+				signers.Add(0)
+				signers.Add(1)
+
+				unsignedBytes := unsignedMsg.Bytes()
+				vdr0Sig := bls.Sign(testVdrs[0].sk, unsignedBytes)
+				vdr1Sig := bls.Sign(testVdrs[1].sk, unsignedBytes)
+				aggSig, err := bls.AggregateSignatures([]*bls.Signature{vdr0Sig, vdr1Sig})
+				require.NoError(err)
+				aggSigBytes := [bls.SignatureLen]byte{}
+				copy(aggSigBytes[:], bls.SignatureToBytes(aggSig))
+
+				msg, err := avalancheWarp.NewMessage(
+					unsignedMsg,
+					&avalancheWarp.BitSetSignature{
+						Signers:   signers.Bytes(),
+						Signature: aggSigBytes,
+					},
+				)
+				require.NoError(err)
+				return msg
+			},
+			err: avalancheWarp.ErrInsufficientWeight,
+		},
+		{
+			name: "can't parse sig",
+			stateF: func(ctrl *gomock.Controller) validators.State {
+				state := validators.NewMockState(ctrl)
+				state.EXPECT().GetSubnetID(gomock.Any(), sourceChainID).Return(sourceSubnetID, nil)
+				state.EXPECT().GetValidatorSet(gomock.Any(), pChainHeight, sourceSubnetID).Return(vdrs, nil)
+				return state
+			},
+			quorumNum: 1,
+			quorumDen: 2,
+			msgF: func(require *require.Assertions) *avalancheWarp.Message {
+				unsignedMsg, err := avalancheWarp.NewUnsignedMessage(
+					networkID,
+					sourceChainID,
+					addressedPayloadBytes,
+				)
+				require.NoError(err)
+
+				signers := set.NewBits()
+				signers.Add(0)
+				signers.Add(1)
+
+				msg, err := avalancheWarp.NewMessage(
+					unsignedMsg,
+					&avalancheWarp.BitSetSignature{
+						Signers:   signers.Bytes(),
+						Signature: [bls.SignatureLen]byte{},
+					},
+				)
+				require.NoError(err)
+				return msg
+			},
+			err: avalancheWarp.ErrParseSignature,
+		},
+		{
+			name: "no validators",
+			stateF: func(ctrl *gomock.Controller) validators.State {
+				state := validators.NewMockState(ctrl)
+				state.EXPECT().GetSubnetID(gomock.Any(), sourceChainID).Return(sourceSubnetID, nil)
+				state.EXPECT().GetValidatorSet(gomock.Any(), pChainHeight, sourceSubnetID).Return(nil, nil)
+				return state
+			},
+			quorumNum: 1,
+			quorumDen: 2,
+			msgF: func(require *require.Assertions) *avalancheWarp.Message {
+				unsignedMsg, err := avalancheWarp.NewUnsignedMessage(
+					networkID,
+					sourceChainID,
+					addressedPayloadBytes,
+				)
+				require.NoError(err)
+
+				unsignedBytes := unsignedMsg.Bytes()
+				vdr0Sig := bls.Sign(testVdrs[0].sk, unsignedBytes)
+				aggSigBytes := [bls.SignatureLen]byte{}
+				copy(aggSigBytes[:], bls.SignatureToBytes(vdr0Sig))
+
+				msg, err := avalancheWarp.NewMessage(
+					unsignedMsg,
+					&avalancheWarp.BitSetSignature{
+						Signers:   nil,
+						Signature: aggSigBytes,
+					},
+				)
+				require.NoError(err)
+				return msg
+			},
+			err: bls.ErrNoPublicKeys,
+		},
+		{
+			name: "invalid signature (substitute)",
+			stateF: func(ctrl *gomock.Controller) validators.State {
+				state := validators.NewMockState(ctrl)
+				state.EXPECT().GetSubnetID(gomock.Any(), sourceChainID).Return(sourceSubnetID, nil)
+				state.EXPECT().GetValidatorSet(gomock.Any(), pChainHeight, sourceSubnetID).Return(vdrs, nil)
+				return state
+			},
+			quorumNum: 3,
+			quorumDen: 5,
+			msgF: func(require *require.Assertions) *avalancheWarp.Message {
+				unsignedMsg, err := avalancheWarp.NewUnsignedMessage(
+					networkID,
+					sourceChainID,
+					addressedPayloadBytes,
+				)
+				require.NoError(err)
+
+				signers := set.NewBits()
+				signers.Add(0)
+				signers.Add(1)
+
+				unsignedBytes := unsignedMsg.Bytes()
+				vdr0Sig := bls.Sign(testVdrs[0].sk, unsignedBytes)
+				// Give sig from vdr[2] even though the bit vector says it
+				// should be from vdr[1]
+				vdr2Sig := bls.Sign(testVdrs[2].sk, unsignedBytes)
+				aggSig, err := bls.AggregateSignatures([]*bls.Signature{vdr0Sig, vdr2Sig})
+				require.NoError(err)
+				aggSigBytes := [bls.SignatureLen]byte{}
+				copy(aggSigBytes[:], bls.SignatureToBytes(aggSig))
+
+				msg, err := avalancheWarp.NewMessage(
+					unsignedMsg,
+					&avalancheWarp.BitSetSignature{
+						Signers:   signers.Bytes(),
+						Signature: aggSigBytes,
+					},
+				)
+				require.NoError(err)
+				return msg
+			},
+			err: avalancheWarp.ErrInvalidSignature,
+		},
+		{
+			name: "invalid signature (missing one)",
+			stateF: func(ctrl *gomock.Controller) validators.State {
+				state := validators.NewMockState(ctrl)
+				state.EXPECT().GetSubnetID(gomock.Any(), sourceChainID).Return(sourceSubnetID, nil)
+				state.EXPECT().GetValidatorSet(gomock.Any(), pChainHeight, sourceSubnetID).Return(vdrs, nil)
+				return state
+			},
+			quorumNum: 3,
+			quorumDen: 5,
+			msgF: func(require *require.Assertions) *avalancheWarp.Message {
+				unsignedMsg, err := avalancheWarp.NewUnsignedMessage(
+					networkID,
+					sourceChainID,
+					addressedPayloadBytes,
+				)
+				require.NoError(err)
+
+				signers := set.NewBits()
+				signers.Add(0)
+				signers.Add(1)
+
+				unsignedBytes := unsignedMsg.Bytes()
+				vdr0Sig := bls.Sign(testVdrs[0].sk, unsignedBytes)
+				// Don't give the sig from vdr[1]
+				aggSigBytes := [bls.SignatureLen]byte{}
+				copy(aggSigBytes[:], bls.SignatureToBytes(vdr0Sig))
+
+				msg, err := avalancheWarp.NewMessage(
+					unsignedMsg,
+					&avalancheWarp.BitSetSignature{
+						Signers:   signers.Bytes(),
+						Signature: aggSigBytes,
+					},
+				)
+				require.NoError(err)
+				return msg
+			},
+			err: avalancheWarp.ErrInvalidSignature,
+		},
+		{
+			name: "invalid signature (extra one)",
+			stateF: func(ctrl *gomock.Controller) validators.State {
+				state := validators.NewMockState(ctrl)
+				state.EXPECT().GetSubnetID(gomock.Any(), sourceChainID).Return(sourceSubnetID, nil)
+				state.EXPECT().GetValidatorSet(gomock.Any(), pChainHeight, sourceSubnetID).Return(vdrs, nil)
+				return state
+			},
+			quorumNum: 3,
+			quorumDen: 5,
+			msgF: func(require *require.Assertions) *avalancheWarp.Message {
+				unsignedMsg, err := avalancheWarp.NewUnsignedMessage(
+					networkID,
+					sourceChainID,
+					addressedPayloadBytes,
+				)
+				require.NoError(err)
+
+				signers := set.NewBits()
+				signers.Add(0)
+				signers.Add(1)
+
+				unsignedBytes := unsignedMsg.Bytes()
+				vdr0Sig := bls.Sign(testVdrs[0].sk, unsignedBytes)
+				vdr1Sig := bls.Sign(testVdrs[1].sk, unsignedBytes)
+				// Give sig from vdr[2] even though the bit vector doesn't have
+				// it
+				vdr2Sig := bls.Sign(testVdrs[2].sk, unsignedBytes)
+				aggSig, err := bls.AggregateSignatures([]*bls.Signature{vdr0Sig, vdr1Sig, vdr2Sig})
+				require.NoError(err)
+				aggSigBytes := [bls.SignatureLen]byte{}
+				copy(aggSigBytes[:], bls.SignatureToBytes(aggSig))
+
+				msg, err := avalancheWarp.NewMessage(
+					unsignedMsg,
+					&avalancheWarp.BitSetSignature{
+						Signers:   signers.Bytes(),
+						Signature: aggSigBytes,
+					},
+				)
+				require.NoError(err)
+				return msg
+			},
+			err: avalancheWarp.ErrInvalidSignature,
+		},
+		{
+			name: "valid signature",
+			stateF: func(ctrl *gomock.Controller) validators.State {
+				state := validators.NewMockState(ctrl)
+				state.EXPECT().GetSubnetID(gomock.Any(), sourceChainID).Return(sourceSubnetID, nil)
+				state.EXPECT().GetValidatorSet(gomock.Any(), pChainHeight, sourceSubnetID).Return(vdrs, nil)
+				return state
+			},
+			quorumNum: 1,
+			quorumDen: 2,
+			msgF: func(require *require.Assertions) *avalancheWarp.Message {
+				unsignedMsg, err := avalancheWarp.NewUnsignedMessage(
+					networkID,
+					sourceChainID,
+					addressedPayloadBytes,
+				)
+				require.NoError(err)
+
+				// [signers] has weight from [vdr[1], vdr[2]],
+				// which is 6, which is greater than 4.5
+				signers := set.NewBits()
+				signers.Add(1)
+				signers.Add(2)
+
+				unsignedBytes := unsignedMsg.Bytes()
+				vdr1Sig := bls.Sign(testVdrs[1].sk, unsignedBytes)
+				vdr2Sig := bls.Sign(testVdrs[2].sk, unsignedBytes)
+				aggSig, err := bls.AggregateSignatures([]*bls.Signature{vdr1Sig, vdr2Sig})
+				require.NoError(err)
+				aggSigBytes := [bls.SignatureLen]byte{}
+				copy(aggSigBytes[:], bls.SignatureToBytes(aggSig))
+
+				msg, err := avalancheWarp.NewMessage(
+					unsignedMsg,
+					&avalancheWarp.BitSetSignature{
+						Signers:   signers.Bytes(),
+						Signature: aggSigBytes,
+					},
+				)
+				require.NoError(err)
+				return msg
+			},
+			err: nil,
+		},
+		{
+			name: "valid signature (boundary)",
+			stateF: func(ctrl *gomock.Controller) validators.State {
+				state := validators.NewMockState(ctrl)
+				state.EXPECT().GetSubnetID(gomock.Any(), sourceChainID).Return(sourceSubnetID, nil)
+				state.EXPECT().GetValidatorSet(gomock.Any(), pChainHeight, sourceSubnetID).Return(vdrs, nil)
+				return state
+			},
+			quorumNum: 2,
+			quorumDen: 3,
+			msgF: func(require *require.Assertions) *avalancheWarp.Message {
+				unsignedMsg, err := avalancheWarp.NewUnsignedMessage(
+					networkID,
+					sourceChainID,
+					addressedPayloadBytes,
+				)
+				require.NoError(err)
+
+				// [signers] has weight from [vdr[1], vdr[2]],
+				// which is 6, which meets the minimum 6
+				signers := set.NewBits()
+				signers.Add(1)
+				signers.Add(2)
+
+				unsignedBytes := unsignedMsg.Bytes()
+				vdr1Sig := bls.Sign(testVdrs[1].sk, unsignedBytes)
+				vdr2Sig := bls.Sign(testVdrs[2].sk, unsignedBytes)
+				aggSig, err := bls.AggregateSignatures([]*bls.Signature{vdr1Sig, vdr2Sig})
+				require.NoError(err)
+				aggSigBytes := [bls.SignatureLen]byte{}
+				copy(aggSigBytes[:], bls.SignatureToBytes(aggSig))
+
+				msg, err := avalancheWarp.NewMessage(
+					unsignedMsg,
+					&avalancheWarp.BitSetSignature{
+						Signers:   signers.Bytes(),
+						Signature: aggSigBytes,
+					},
+				)
+				require.NoError(err)
+				return msg
+			},
+			err: nil,
+		},
+		{
+			name: "valid signature (missing key)",
+			stateF: func(ctrl *gomock.Controller) validators.State {
+				state := validators.NewMockState(ctrl)
+				state.EXPECT().GetSubnetID(gomock.Any(), sourceChainID).Return(sourceSubnetID, nil)
+				state.EXPECT().GetValidatorSet(gomock.Any(), pChainHeight, sourceSubnetID).Return(map[ids.NodeID]*validators.GetValidatorOutput{
+					testVdrs[0].nodeID: {
+						NodeID:    testVdrs[0].nodeID,
+						PublicKey: nil,
+						Weight:    testVdrs[0].vdr.Weight,
+					},
+					testVdrs[1].nodeID: {
+						NodeID:    testVdrs[1].nodeID,
+						PublicKey: testVdrs[1].vdr.PublicKey,
+						Weight:    testVdrs[1].vdr.Weight,
+					},
+					testVdrs[2].nodeID: {
+						NodeID:    testVdrs[2].nodeID,
+						PublicKey: testVdrs[2].vdr.PublicKey,
+						Weight:    testVdrs[2].vdr.Weight,
+					},
+				}, nil)
+				return state
+			},
+			quorumNum: 1,
+			quorumDen: 3,
+			msgF: func(require *require.Assertions) *avalancheWarp.Message {
+				unsignedMsg, err := avalancheWarp.NewUnsignedMessage(
+					networkID,
+					sourceChainID,
+					addressedPayloadBytes,
+				)
+				require.NoError(err)
+
+				// [signers] has weight from [vdr2, vdr3],
+				// which is 6, which is greater than 3
+				signers := set.NewBits()
+				// Note: the bits are shifted because vdr[0]'s key was zeroed
+				signers.Add(0) // vdr[1]
+				signers.Add(1) // vdr[2]
+
+				unsignedBytes := unsignedMsg.Bytes()
+				vdr1Sig := bls.Sign(testVdrs[1].sk, unsignedBytes)
+				vdr2Sig := bls.Sign(testVdrs[2].sk, unsignedBytes)
+				aggSig, err := bls.AggregateSignatures([]*bls.Signature{vdr1Sig, vdr2Sig})
+				require.NoError(err)
+				aggSigBytes := [bls.SignatureLen]byte{}
+				copy(aggSigBytes[:], bls.SignatureToBytes(aggSig))
+
+				msg, err := avalancheWarp.NewMessage(
+					unsignedMsg,
+					&avalancheWarp.BitSetSignature{
+						Signers:   signers.Bytes(),
+						Signature: aggSigBytes,
+					},
+				)
+				require.NoError(err)
+				return msg
+			},
+			err: nil,
+		},
+		{
+			name: "valid signature (duplicate key)",
+			stateF: func(ctrl *gomock.Controller) validators.State {
+				state := validators.NewMockState(ctrl)
+				state.EXPECT().GetSubnetID(gomock.Any(), sourceChainID).Return(sourceSubnetID, nil)
+				state.EXPECT().GetValidatorSet(gomock.Any(), pChainHeight, sourceSubnetID).Return(map[ids.NodeID]*validators.GetValidatorOutput{
+					testVdrs[0].nodeID: {
+						NodeID:    testVdrs[0].nodeID,
+						PublicKey: nil,
+						Weight:    testVdrs[0].vdr.Weight,
+					},
+					testVdrs[1].nodeID: {
+						NodeID:    testVdrs[1].nodeID,
+						PublicKey: testVdrs[2].vdr.PublicKey,
+						Weight:    testVdrs[1].vdr.Weight,
+					},
+					testVdrs[2].nodeID: {
+						NodeID:    testVdrs[2].nodeID,
+						PublicKey: testVdrs[2].vdr.PublicKey,
+						Weight:    testVdrs[2].vdr.Weight,
+					},
+				}, nil)
+				return state
+			},
+			quorumNum: 2,
+			quorumDen: 3,
+			msgF: func(require *require.Assertions) *avalancheWarp.Message {
+				unsignedMsg, err := avalancheWarp.NewUnsignedMessage(
+					networkID,
+					sourceChainID,
+					addressedPayloadBytes,
+				)
+				require.NoError(err)
+
+				// [signers] has weight from [vdr2, vdr3],
+				// which is 6, which meets the minimum 6
+				signers := set.NewBits()
+				// Note: the bits are shifted because vdr[0]'s key was zeroed
+				// Note: vdr[1] and vdr[2] were combined because of a shared pk
+				signers.Add(0) // vdr[1] + vdr[2]
+
+				unsignedBytes := unsignedMsg.Bytes()
+				// Because vdr[1] and vdr[2] share a key, only one of them sign.
+				vdr2Sig := bls.Sign(testVdrs[2].sk, unsignedBytes)
+				aggSigBytes := [bls.SignatureLen]byte{}
+				copy(aggSigBytes[:], bls.SignatureToBytes(vdr2Sig))
+
+				msg, err := avalancheWarp.NewMessage(
+					unsignedMsg,
+					&avalancheWarp.BitSetSignature{
+						Signers:   signers.Bytes(),
+						Signature: aggSigBytes,
+					},
+				)
+				require.NoError(err)
+				return msg
+			},
+			err: nil,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			require := require.New(t)
+			ctrl := gomock.NewController(t)
+			defer ctrl.Finish()
+
+			msg := tt.msgF(require)
+			pChainState := tt.stateF(ctrl)
+
+			err := msg.Signature.Verify(
+				context.Background(),
+				&msg.UnsignedMessage,
+				networkID,
+				pChainState,
+				pChainHeight,
+				tt.quorumNum,
+				tt.quorumDen,
+			)
+			require.ErrorIs(err, tt.err)
+		})
+	}
+}