Add support for Electra

.golangci.yaml

@@ -73,6 +73,7 @@ linters-settings:
     replace-allow-list:
       - github.com/attestantio/go-builder-client
       - github.com/attestantio/go-eth2-client
+      - github.com/ethereum/go-ethereum
 
   maintidx:
     under: 5

common/types.go

@@ -12,6 +12,7 @@ import (
 	"github.com/attestantio/go-eth2-client/spec/bellatrix"
 	"github.com/attestantio/go-eth2-client/spec/capella"
 	"github.com/attestantio/go-eth2-client/spec/deneb"
+	"github.com/attestantio/go-eth2-client/spec/electra"
 	"github.com/attestantio/go-eth2-client/spec/phase0"
 	ssz "github.com/ferranbt/fastssz"
 	boostSsz "github.com/flashbots/go-boost-utils/ssz"
@@ -52,9 +53,15 @@ var (
 	DenebForkVersionGoerli  = "0x04001020"
 	DenebForkVersionMainnet = "0x04000000"
 
+	ElectraForkVersionHolesky = "0x06017000"
+	ElectraForkVersionSepolia = "0x90000074"
+	ElectraForkVersionGoerli  = "0x05001020"
+	ElectraForkVersionMainnet = "0x05000000"
+
 	ForkVersionStringBellatrix = "bellatrix"
 	ForkVersionStringCapella   = "capella"
 	ForkVersionStringDeneb     = "deneb"
+	ForkVersionStringElectra   = "electra"
 )
 
 type EthNetworkDetails struct {
@@ -64,11 +71,13 @@ type EthNetworkDetails struct {
 	BellatrixForkVersionHex  string
 	CapellaForkVersionHex    string
 	DenebForkVersionHex      string
+	ElectraForkVersionHex    string
 
 	DomainBuilder                 phase0.Domain
 	DomainBeaconProposerBellatrix phase0.Domain
 	DomainBeaconProposerCapella   phase0.Domain
 	DomainBeaconProposerDeneb     phase0.Domain
+	DomainBeaconProposerElectra   phase0.Domain
 }
 
 func NewEthNetworkDetails(networkName string) (ret *EthNetworkDetails, err error) {
@@ -77,10 +86,12 @@ func NewEthNetworkDetails(networkName string) (ret *EthNetworkDetails, err error
 	var bellatrixForkVersion string
 	var capellaForkVersion string
 	var denebForkVersion string
+	var electraForkVersion string
 	var domainBuilder phase0.Domain
 	var domainBeaconProposerBellatrix phase0.Domain
 	var domainBeaconProposerCapella phase0.Domain
 	var domainBeaconProposerDeneb phase0.Domain
+	var domainBeaconProposerElectra phase0.Domain
 
 	switch networkName {
 	case EthNetworkHolesky:
@@ -89,30 +100,35 @@ func NewEthNetworkDetails(networkName string) (ret *EthNetworkDetails, err error
 		bellatrixForkVersion = BellatrixForkVersionHolesky
 		capellaForkVersion = CapellaForkVersionHolesky
 		denebForkVersion = DenebForkVersionHolesky
+		electraForkVersion = ElectraForkVersionHolesky
 	case EthNetworkSepolia:
 		genesisForkVersion = GenesisForkVersionSepolia
 		genesisValidatorsRoot = GenesisValidatorsRootSepolia
 		bellatrixForkVersion = BellatrixForkVersionSepolia
 		capellaForkVersion = CapellaForkVersionSepolia
 		denebForkVersion = DenebForkVersionSepolia
+		electraForkVersion = ElectraForkVersionSepolia
 	case EthNetworkGoerli:
 		genesisForkVersion = GenesisForkVersionGoerli
 		genesisValidatorsRoot = GenesisValidatorsRootGoerli
 		bellatrixForkVersion = BellatrixForkVersionGoerli
 		capellaForkVersion = CapellaForkVersionGoerli
 		denebForkVersion = DenebForkVersionGoerli
+		electraForkVersion = ElectraForkVersionGoerli
 	case EthNetworkMainnet:
 		genesisForkVersion = GenesisForkVersionMainnet
 		genesisValidatorsRoot = GenesisValidatorsRootMainnet
 		bellatrixForkVersion = BellatrixForkVersionMainnet
 		capellaForkVersion = CapellaForkVersionMainnet
 		denebForkVersion = DenebForkVersionMainnet
+		electraForkVersion = ElectraForkVersionMainnet
 	case EthNetworkCustom:
 		genesisForkVersion = os.Getenv("GENESIS_FORK_VERSION")
 		genesisValidatorsRoot = os.Getenv("GENESIS_VALIDATORS_ROOT")
 		bellatrixForkVersion = os.Getenv("BELLATRIX_FORK_VERSION")
 		capellaForkVersion = os.Getenv("CAPELLA_FORK_VERSION")
 		denebForkVersion = os.Getenv("DENEB_FORK_VERSION")
+		electraForkVersion = os.Getenv("ELECTRA_FORK_VERSION")
 	default:
 		return nil, fmt.Errorf("%w: %s", ErrUnknownNetwork, networkName)
 	}
@@ -137,6 +153,11 @@ func NewEthNetworkDetails(networkName string) (ret *EthNetworkDetails, err error
 		return nil, err
 	}
 
+	domainBeaconProposerElectra, err = ComputeDomain(boostSsz.DomainTypeBeaconProposer, electraForkVersion, genesisValidatorsRoot)
+	if err != nil {
+		return nil, err
+	}
+
 	return &EthNetworkDetails{
 		Name:                          networkName,
 		GenesisForkVersionHex:         genesisForkVersion,
@@ -148,6 +169,7 @@ func NewEthNetworkDetails(networkName string) (ret *EthNetworkDetails, err error
 		DomainBeaconProposerBellatrix: domainBeaconProposerBellatrix,
 		DomainBeaconProposerCapella:   domainBeaconProposerCapella,
 		DomainBeaconProposerDeneb:     domainBeaconProposerDeneb,
+		DomainBeaconProposerElectra:   domainBeaconProposerElectra,
 	}, nil
 }
 
@@ -160,21 +182,25 @@ func (e *EthNetworkDetails) String() string {
 	BellatrixForkVersionHex: %s, 
 	CapellaForkVersionHex: %s, 
 	DenebForkVersionHex: %s,
+	ElectraForkVersionHex: %s,
 	DomainBuilder: %x, 
 	DomainBeaconProposerBellatrix: %x, 
 	DomainBeaconProposerCapella: %x, 
 	DomainBeaconProposerDeneb: %x
+	DomainBeaconProposerElectra: %x
 }`,
 		e.Name,
 		e.GenesisForkVersionHex,
 		e.GenesisValidatorsRootHex,
 		e.BellatrixForkVersionHex,
 		e.CapellaForkVersionHex,
 		e.DenebForkVersionHex,
+		e.ElectraForkVersionHex,
 		e.DomainBuilder,
 		e.DomainBeaconProposerBellatrix,
 		e.DomainBeaconProposerCapella,
-		e.DomainBeaconProposerDeneb)
+		e.DomainBeaconProposerDeneb,
+		e.DomainBeaconProposerElectra)
 }
 
 type PubkeyHex string
@@ -414,6 +440,8 @@ type BlockSubmissionInfo struct {
 	Blobs                      []deneb.Blob
 	BlobGasUsed                uint64
 	ExcessBlobGas              uint64
+	DepositReceipts            []*electra.DepositReceipt
+	WithdrawalRequests         []*electra.ExecutionLayerWithdrawalRequest
 }
 
 /*
@@ -425,6 +453,8 @@ which is sufficient data to set the bid of the builder. The `Transactions`
 and `Withdrawals` fields are required to construct the full SignedBeaconBlock
 and are parsed asynchronously.
 
+TODO(JWT): Does this need to be updated? It hasn't been updated for Deneb.
+
 Header only layout:
 [000-236) = Message   (236 bytes)
 [236-240) = offset1   (  4 bytes)