refactor: replace TransactTo with TxKind (#1542)

* refactor: replace TransactTo with TxKind

* misc: apply review suggestions

bins/revm-test/src/bin/analysis.rs

@@ -1,7 +1,7 @@
 use revm::{
     db::BenchmarkDB,
     interpreter::analysis::to_analysed,
-    primitives::{address, bytes, Bytecode, Bytes, TransactTo},
+    primitives::{address, bytes, Bytecode, Bytes, TxKind},
     Evm,
 };
 use std::time::Instant;
@@ -17,7 +17,7 @@ fn main() {
         .modify_tx_env(|tx| {
             // execution globals block hash/gas_limit/coinbase/timestamp..
             tx.caller = address!("1000000000000000000000000000000000000000");
-            tx.transact_to = TransactTo::Call(address!("0000000000000000000000000000000000000000"));
+            tx.transact_to = TxKind::Call(address!("0000000000000000000000000000000000000000"));
             //evm.env.tx.data = Bytes::from(hex::decode("30627b7c").unwrap());
             tx.data = bytes!("8035F0CE");
         })

bins/revm-test/src/bin/burntpix/main.rs

@@ -5,7 +5,7 @@ use revm::{
     db::{CacheDB, EmptyDB},
     primitives::{
         address, hex, keccak256, AccountInfo, Address, Bytecode, Bytes, ExecutionResult, Output,
-        TransactTo, B256, U256,
+        TxKind, B256, U256,
     },
     Evm,
 };
@@ -38,7 +38,7 @@ fn main() {
     let mut evm = Evm::builder()
         .modify_tx_env(|tx| {
             tx.caller = address!("1000000000000000000000000000000000000000");
-            tx.transact_to = TransactTo::Call(BURNTPIX_MAIN_ADDRESS);
+            tx.transact_to = TxKind::Call(BURNTPIX_MAIN_ADDRESS);
             tx.data = run_call_data.clone().into();
         })
         .with_db(db)

bins/revm-test/src/bin/snailtracer.rs

@@ -1,7 +1,7 @@
 use revm::{
     db::BenchmarkDB,
     interpreter::analysis::to_analysed,
-    primitives::{address, bytes, Bytecode, Bytes, TransactTo},
+    primitives::{address, bytes, Bytecode, Bytes, TxKind},
     Evm,
 };
 
@@ -14,7 +14,7 @@ pub fn simple_example() {
         .modify_tx_env(|tx| {
             // execution globals block hash/gas_limit/coinbase/timestamp..
             tx.caller = address!("1000000000000000000000000000000000000000");
-            tx.transact_to = TransactTo::Call(address!("0000000000000000000000000000000000000000"));
+            tx.transact_to = TxKind::Call(address!("0000000000000000000000000000000000000000"));
             tx.data = bytes!("30627b7c");
         })
         .build();

bins/revm-test/src/bin/transfer.rs

@@ -1,6 +1,6 @@
 use revm::{
     db::BenchmarkDB,
-    primitives::{Bytecode, TransactTo, U256},
+    primitives::{Bytecode, TxKind, U256},
     Evm,
 };
 
@@ -16,7 +16,7 @@ fn main() {
                 .parse()
                 .unwrap();
             tx.value = U256::from(10);
-            tx.transact_to = TransactTo::Call(
+            tx.transact_to = TxKind::Call(
                 "0x0000000000000000000000000000000000000000"
                     .parse()
                     .unwrap(),

bins/revme/src/cmd/evmrunner.rs

@@ -2,7 +2,7 @@ use revm::{
     db::BenchmarkDB,
     inspector_handle_register,
     inspectors::TracerEip3155,
-    primitives::{Address, Bytecode, TransactTo},
+    primitives::{Address, Bytecode, TxKind},
     Evm,
 };
 use std::io::Error as IoError;
@@ -86,7 +86,7 @@ impl Cmd {
                 tx.caller = "0x0000000000000000000000000000000000000001"
                     .parse()
                     .unwrap();
-                tx.transact_to = TransactTo::Call(Address::ZERO);
+                tx.transact_to = TxKind::Call(Address::ZERO);
                 tx.data = input;
             })
             .build();

bins/revme/src/cmd/statetest/runner.rs

@@ -10,7 +10,7 @@ use revm::{
     inspectors::TracerEip3155,
     primitives::{
         calc_excess_blob_gas, keccak256, Bytecode, Bytes, EVMResultGeneric, Env, Eof,
-        ExecutionResult, SpecId, TransactTo, B256, EOF_MAGIC_BYTES, U256,
+        ExecutionResult, SpecId, TxKind, B256, EOF_MAGIC_BYTES, U256,
     },
     Evm, State,
 };
@@ -364,8 +364,8 @@ pub fn execute_test_suite(
                     .collect();
 
                 let to = match unit.transaction.to {
-                    Some(add) => TransactTo::Call(add),
-                    None => TransactTo::Create,
+                    Some(add) => TxKind::Call(add),
+                    None => TxKind::Create,
                 };
                 env.tx.transact_to = to;
 

crates/interpreter/src/interpreter/contract.rs

@@ -1,6 +1,8 @@
+use revm_primitives::TxKind;
+
 use super::analysis::to_analysed;
 use crate::{
-    primitives::{Address, Bytecode, Bytes, Env, TransactTo, B256, U256},
+    primitives::{Address, Bytecode, Bytes, Env, B256, U256},
     CallInputs,
 };
 
@@ -50,8 +52,8 @@ impl Contract {
     #[inline]
     pub fn new_env(env: &Env, bytecode: Bytecode, hash: Option<B256>) -> Self {
         let contract_address = match env.tx.transact_to {
-            TransactTo::Call(caller) => caller,
-            TransactTo::Create => Address::ZERO,
+            TxKind::Call(caller) => caller,
+            TxKind::Create => Address::ZERO,
         };
         Self::new(
             env.tx.data.clone(),

crates/interpreter/src/interpreter_action/call_inputs.rs

@@ -1,4 +1,4 @@
-use crate::primitives::{Address, Bytes, TransactTo, TxEnv, U256};
+use crate::primitives::{Address, Bytes, TxEnv, TxKind, U256};
 use core::ops::Range;
 use std::boxed::Box;
 
@@ -47,7 +47,7 @@ impl CallInputs {
     ///
     /// Returns `None` if the transaction is not a call.
     pub fn new(tx_env: &TxEnv, gas_limit: u64) -> Option<Self> {
-        let TransactTo::Call(target_address) = tx_env.transact_to else {
+        let TxKind::Call(target_address) = tx_env.transact_to else {
             return None;
         };
         Some(CallInputs {

crates/interpreter/src/interpreter_action/create_inputs.rs

@@ -1,5 +1,5 @@
 pub use crate::primitives::CreateScheme;
-use crate::primitives::{Address, Bytes, TransactTo, TxEnv, U256};
+use crate::primitives::{Address, Bytes, TxEnv, TxKind, U256};
 use std::boxed::Box;
 
 /// Inputs for a create call.
@@ -21,7 +21,7 @@ pub struct CreateInputs {
 impl CreateInputs {
     /// Creates new create inputs.
     pub fn new(tx_env: &TxEnv, gas_limit: u64) -> Option<Self> {
-        let TransactTo::Create = tx_env.transact_to else {
+        let TxKind::Create = tx_env.transact_to else {
             return None;
         };
 

crates/primitives/src/env.rs

@@ -1,5 +1,6 @@
 pub mod handler_cfg;
 
+use alloy_primitives::TxKind;
 pub use handler_cfg::{CfgEnvWithHandlerCfg, EnvWithHandlerCfg, HandlerCfg};
 
 use crate::{
@@ -503,7 +504,7 @@ pub struct TxEnv {
     /// The gas price of the transaction.
     pub gas_price: U256,
     /// The destination of the transaction.
-    pub transact_to: TransactTo,
+    pub transact_to: TxKind,
     /// The value sent to `transact_to`.
     pub value: U256,
     /// The data of the transaction.
@@ -585,7 +586,7 @@ impl Default for TxEnv {
             gas_limit: u64::MAX,
             gas_price: U256::ZERO,
             gas_priority_fee: None,
-            transact_to: TransactTo::Call(Address::ZERO), // will do nothing
+            transact_to: TxKind::Call(Address::ZERO), // will do nothing
             value: U256::ZERO,
             data: Bytes::new(),
             chain_id: None,
@@ -658,40 +659,8 @@ pub struct OptimismFields {
     pub enveloped_tx: Option<Bytes>,
 }
 
-/// Transaction destination.
-#[derive(Clone, Debug, PartialEq, Eq, Hash)]
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
-pub enum TransactTo {
-    /// Simple call to an address.
-    Call(Address),
-    /// Contract creation.
-    Create,
-}
-
-impl TransactTo {
-    /// Calls the given address.
-    #[inline]
-    pub fn call(address: Address) -> Self {
-        Self::Call(address)
-    }
-
-    /// Creates a contract.
-    #[inline]
-    pub fn create() -> Self {
-        Self::Create
-    }
-    /// Returns `true` if the transaction is `Call`.
-    #[inline]
-    pub fn is_call(&self) -> bool {
-        matches!(self, Self::Call(_))
-    }
-
-    /// Returns `true` if the transaction is `Create` or `Create2`.
-    #[inline]
-    pub fn is_create(&self) -> bool {
-        matches!(self, Self::Create)
-    }
-}
+/// Transaction destination
+pub type TransactTo = TxKind;
 
 /// Create scheme.
 #[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]

crates/primitives/src/lib.rs

@@ -21,7 +21,7 @@ pub mod state;
 pub mod utilities;
 pub use alloy_primitives::{
     self, address, b256, bytes, fixed_bytes, hex, hex_literal, ruint, uint, Address, Bytes,
-    FixedBytes, Log, LogData, B256, I256, U256,
+    FixedBytes, Log, LogData, TxKind, B256, I256, U256,
 };
 pub use bitvec;
 pub use bytecode::*;

crates/revm/benches/bench.rs

@@ -4,7 +4,7 @@ use criterion::{
 use revm::{
     db::BenchmarkDB,
     interpreter::{analysis::to_analysed, Contract, DummyHost, Interpreter},
-    primitives::{address, bytes, hex, BerlinSpec, Bytecode, Bytes, TransactTo, U256},
+    primitives::{address, bytes, hex, BerlinSpec, Bytecode, Bytes, TxKind, U256},
     Evm,
 };
 use revm_interpreter::{opcode::make_instruction_table, SharedMemory, EMPTY_SHARED_MEMORY};
@@ -14,7 +14,7 @@ fn analysis(c: &mut Criterion) {
     let evm = Evm::builder()
         .modify_tx_env(|tx| {
             tx.caller = address!("0000000000000000000000000000000000000002");
-            tx.transact_to = TransactTo::Call(address!("0000000000000000000000000000000000000000"));
+            tx.transact_to = TxKind::Call(address!("0000000000000000000000000000000000000000"));
             // evm.env.tx.data = bytes!("30627b7c");
             tx.data = bytes!("8035F0CE");
         })
@@ -50,7 +50,7 @@ fn snailtracer(c: &mut Criterion) {
         .with_db(BenchmarkDB::new_bytecode(bytecode(SNAILTRACER)))
         .modify_tx_env(|tx| {
             tx.caller = address!("1000000000000000000000000000000000000000");
-            tx.transact_to = TransactTo::Call(address!("0000000000000000000000000000000000000000"));
+            tx.transact_to = TxKind::Call(address!("0000000000000000000000000000000000000000"));
             tx.data = bytes!("30627b7c");
         })
         .build();
@@ -70,7 +70,7 @@ fn transfer(c: &mut Criterion) {
         .with_db(BenchmarkDB::new_bytecode(Bytecode::new()))
         .modify_tx_env(|tx| {
             tx.caller = address!("0000000000000000000000000000000000000001");
-            tx.transact_to = TransactTo::Call(address!("0000000000000000000000000000000000000000"));
+            tx.transact_to = TxKind::Call(address!("0000000000000000000000000000000000000000"));
             tx.value = U256::from(10);
         })
         .build();

crates/revm/src/builder.rs

@@ -444,7 +444,7 @@ mod test {
         inspector::inspector_handle_register,
         inspectors::NoOpInspector,
         primitives::{
-            address, AccountInfo, Address, Bytecode, Bytes, PrecompileResult, TransactTo, U256,
+            address, AccountInfo, Address, Bytecode, Bytes, PrecompileResult, TxKind, U256,
         },
         Context, ContextPrecompile, ContextStatefulPrecompile, Evm, InMemoryDB, InnerEvmContext,
     };
@@ -474,7 +474,7 @@ mod test {
             .modify_db(|db| {
                 db.insert_account_info(to_addr, AccountInfo::new(U256::ZERO, 0, code_hash, code))
             })
-            .modify_tx_env(|tx| tx.transact_to = TransactTo::Call(to_addr))
+            .modify_tx_env(|tx| tx.transact_to = TxKind::Call(to_addr))
             // we need to use handle register box to capture the custom context in the handle
             // register
             .append_handler_register_box(Box::new(move |handler| {
@@ -523,7 +523,7 @@ mod test {
             .modify_db(|db| {
                 db.insert_account_info(to_addr, AccountInfo::new(U256::ZERO, 0, code_hash, code))
             })
-            .modify_tx_env(|tx| tx.transact_to = TransactTo::Call(to_addr))
+            .modify_tx_env(|tx| tx.transact_to = TxKind::Call(to_addr))
             .append_handler_register(|handler| {
                 handler.instruction_table.insert(0xEF, custom_instruction)
             })

crates/revm/src/evm.rs

@@ -8,7 +8,7 @@ use crate::{
     },
     primitives::{
         specification::SpecId, BlockEnv, Bytes, CfgEnv, EVMError, EVMResult, EnvWithHandlerCfg,
-        ExecutionResult, HandlerCfg, ResultAndState, TransactTo, TxEnv,
+        ExecutionResult, HandlerCfg, ResultAndState, TxEnv, TxKind,
     },
     Context, ContextWithHandlerCfg, Frame, FrameOrResult, FrameResult,
 };
@@ -344,11 +344,11 @@ impl<EXT, DB: Database> Evm<'_, EXT, DB> {
         let exec = self.handler.execution();
         // call inner handling of call/create
         let first_frame_or_result = match ctx.evm.env.tx.transact_to {
-            TransactTo::Call(_) => exec.call(
+            TxKind::Call(_) => exec.call(
                 ctx,
                 CallInputs::new_boxed(&ctx.evm.env.tx, gas_limit).unwrap(),
             )?,
-            TransactTo::Create => {
+            TxKind::Create => {
                 // if first byte of data is magic 0xEF00, then it is EOFCreate.
                 if spec_id.is_enabled_in(SpecId::PRAGUE)
                     && ctx

crates/revm/src/handler/mainnet/pre_execution.rs

@@ -8,7 +8,7 @@ use crate::{
         db::Database,
         Account, EVMError, Env, Spec,
         SpecId::{CANCUN, PRAGUE, SHANGHAI},
-        TransactTo, BLOCKHASH_STORAGE_ADDRESS, U256,
+        TxKind, BLOCKHASH_STORAGE_ADDRESS, U256,
     },
     Context, ContextPrecompiles,
 };
@@ -68,7 +68,7 @@ pub fn deduct_caller_inner<SPEC: Spec>(caller_account: &mut Account, env: &Env)
     caller_account.info.balance = caller_account.info.balance.saturating_sub(gas_cost);
 
     // bump the nonce for calls. Nonce for CREATE will be bumped in `handle_create`.
-    if matches!(env.tx.transact_to, TransactTo::Call(_)) {
+    if matches!(env.tx.transact_to, TxKind::Call(_)) {
         // Nonce is already checked
         caller_account.info.nonce = caller_account.info.nonce.saturating_add(1);
     }

crates/revm/src/inspector/customprinter.rs

@@ -140,7 +140,7 @@ mod test {
             })
             .modify_tx_env(|tx| {
                 tx.caller = address!("5fdcca53617f4d2b9134b29090c87d01058e27e0");
-                tx.transact_to = crate::primitives::TransactTo::Call(callee);
+                tx.transact_to = crate::primitives::TxKind::Call(callee);
                 tx.data = crate::primitives::Bytes::new();
                 tx.value = crate::primitives::U256::ZERO;
             })

crates/revm/src/inspector/gas.rs

@@ -162,7 +162,7 @@ mod tests {
             db::BenchmarkDB,
             inspector::inspector_handle_register,
             interpreter::opcode,
-            primitives::{address, Bytecode, Bytes, TransactTo},
+            primitives::{address, Bytecode, Bytes, TxKind},
             Evm,
         };
 
@@ -189,8 +189,7 @@ mod tests {
             .modify_tx_env(|tx| {
                 tx.clear();
                 tx.caller = address!("1000000000000000000000000000000000000000");
-                tx.transact_to =
-                    TransactTo::Call(address!("0000000000000000000000000000000000000000"));
+                tx.transact_to = TxKind::Call(address!("0000000000000000000000000000000000000000"));
                 tx.gas_limit = 21100;
             })
             .append_handler_register(inspector_handle_register)

crates/revm/src/inspector/handler_register.rs

@@ -334,7 +334,7 @@ mod tests {
             db::BenchmarkDB,
             inspector::inspector_handle_register,
             interpreter::opcode,
-            primitives::{address, Bytecode, Bytes, TransactTo},
+            primitives::{address, Bytecode, Bytes, TxKind},
             Evm,
         };
 
@@ -360,8 +360,7 @@ mod tests {
             .modify_tx_env(|tx| {
                 tx.clear();
                 tx.caller = address!("1000000000000000000000000000000000000000");
-                tx.transact_to =
-                    TransactTo::Call(address!("0000000000000000000000000000000000000000"));
+                tx.transact_to = TxKind::Call(address!("0000000000000000000000000000000000000000"));
                 tx.gas_limit = 21100;
             })
             .append_handler_register(inspector_handle_register)