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refactor: remove defer

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This commit is contained in:
Arran Schlosberg 2024-08-13 10:56:41 +01:00
parent 1cdf3052b2
commit 9cd8aa8e42
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GPG key ID: 8A30F7E4344B4EF3
1 changed files with 15 additions and 22 deletions
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37
core/vm/evm.go
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@ -445,11 +445,11 @@ func (c *codeAndHash) Hash() common.Hash {
}
// create creates a new contract using code as deployment code.
func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64, value *uint256.Int, address common.Address, typ OpCode) (ret []byte, createAddress common.Address, leftOverGas uint64, retErr error) {
func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64, value *uint256.Int, address common.Address, typ OpCode) (ret []byte, createAddress common.Address, leftOverGas uint64, err error) {
if evm.Config.Tracer != nil {
evm.captureBegin(evm.depth, typ, caller.Address(), address, codeAndHash.code, gas, value.ToBig())
defer func(startGas uint64) {
evm.captureEnd(evm.depth, startGas, leftOverGas, ret, retErr)
evm.captureEnd(evm.depth, startGas, leftOverGas, ret, err)
}(gas)
}
// Depth check execution. Fail if we're trying to execute above the
@ -510,33 +510,26 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
contract.SetCodeOptionalHash(&address, codeAndHash)
contract.IsDeployment = true
defer func() {
// When an error was returned by the EVM or when setting the creation code
// above we revert to the snapshot and consume any gas remaining. Additionally,
// when we're in homestead this also counts for code storage gas errors.
if err := retErr; err != nil && (evm.chainRules.IsHomestead || err != ErrCodeStoreOutOfGas) {
evm.StateDB.RevertToSnapshot(snapshot)
if err != ErrExecutionReverted {
contract.UseGas(contract.Gas, evm.Config.Tracer, tracing.GasChangeCallFailedExecution)
leftOverGas = 0
}
}
}()
// Charge the contract creation init gas in verkle mode
if evm.chainRules.IsEIP4762 {
if !contract.UseGas(evm.AccessEvents.ContractCreateInitGas(address, value.Sign() != 0), evm.Config.Tracer, tracing.GasChangeWitnessContractInit) {
return nil, address, 0, ErrOutOfGas
ret, err = evm.initNewContract(contract, address, value)
if err != nil && (evm.chainRules.IsHomestead || err != ErrCodeStoreOutOfGas) {
evm.StateDB.RevertToSnapshot(snapshot)
if err != ErrExecutionReverted {
contract.UseGas(contract.Gas, evm.Config.Tracer, tracing.GasChangeCallFailedExecution)
}
}
ret, err := evm.initNewContract(contract, address)
return ret, address, contract.Gas, err
}
// initNewContract runs a new contract's creation code, performs checks on the
// resulting code that is to be deployed, and consumes necessary gas.
func (evm *EVM) initNewContract(contract *Contract, address common.Address) ([]byte, error) {
func (evm *EVM) initNewContract(contract *Contract, address common.Address, value *uint256.Int) ([]byte, error) {
// Charge the contract creation init gas in verkle mode
if evm.chainRules.IsEIP4762 {
if !contract.UseGas(evm.AccessEvents.ContractCreateInitGas(address, value.Sign() != 0), evm.Config.Tracer, tracing.GasChangeWitnessContractInit) {
return nil, ErrOutOfGas
}
}
ret, err := evm.interpreter.Run(contract, nil, false)
if err != nil {
return ret, err