diff options
Diffstat (limited to 'core/vm/evm.go')
| -rw-r--r-- | core/vm/evm.go | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/core/vm/evm.go b/core/vm/evm.go index 093c7d4c1..cbb5a03ce 100644 --- a/core/vm/evm.go +++ b/core/vm/evm.go @@ -38,7 +38,7 @@ type ( ) // run runs the given contract and takes care of running precompiles with a fallback to the byte code interpreter. -func run(evm *EVM, snapshot int, contract *Contract, input []byte) ([]byte, error) { +func run(evm *EVM, contract *Contract, input []byte) ([]byte, error) { if contract.CodeAddr != nil { precompiles := PrecompiledContractsHomestead if evm.ChainConfig().IsByzantium(evm.BlockNumber) { @@ -48,7 +48,7 @@ func run(evm *EVM, snapshot int, contract *Contract, input []byte) ([]byte, erro return RunPrecompiledContract(p, input, contract) } } - return evm.interpreter.Run(snapshot, contract, input) + return evm.interpreter.Run(contract, input) } // Context provides the EVM with auxiliary information. Once provided @@ -104,6 +104,10 @@ type EVM struct { // abort is used to abort the EVM calling operations // NOTE: must be set atomically abort int32 + // callGasTemp holds the gas available for the current call. This is needed because the + // available gas is calculated in gasCall* according to the 63/64 rule and later + // applied in opCall*. + callGasTemp uint64 } // NewEVM retutrns a new EVM . The returned EVM is not thread safe and should @@ -167,7 +171,7 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas contract := NewContract(caller, to, value, gas) contract.SetCallCode(&addr, evm.StateDB.GetCodeHash(addr), evm.StateDB.GetCode(addr)) - ret, err = run(evm, snapshot, contract, input) + ret, err = run(evm, contract, input) // 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. @@ -211,7 +215,7 @@ func (evm *EVM) CallCode(caller ContractRef, addr common.Address, input []byte, contract := NewContract(caller, to, value, gas) contract.SetCallCode(&addr, evm.StateDB.GetCodeHash(addr), evm.StateDB.GetCode(addr)) - ret, err = run(evm, snapshot, contract, input) + ret, err = run(evm, contract, input) if err != nil { evm.StateDB.RevertToSnapshot(snapshot) if err != errExecutionReverted { @@ -244,7 +248,7 @@ func (evm *EVM) DelegateCall(caller ContractRef, addr common.Address, input []by contract := NewContract(caller, to, nil, gas).AsDelegate() contract.SetCallCode(&addr, evm.StateDB.GetCodeHash(addr), evm.StateDB.GetCode(addr)) - ret, err = run(evm, snapshot, contract, input) + ret, err = run(evm, contract, input) if err != nil { evm.StateDB.RevertToSnapshot(snapshot) if err != errExecutionReverted { @@ -287,7 +291,7 @@ func (evm *EVM) StaticCall(caller ContractRef, addr common.Address, input []byte // 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. - ret, err = run(evm, snapshot, contract, input) + ret, err = run(evm, contract, input) if err != nil { evm.StateDB.RevertToSnapshot(snapshot) if err != errExecutionReverted { @@ -334,7 +338,7 @@ func (evm *EVM) Create(caller ContractRef, code []byte, gas uint64, value *big.I if evm.vmConfig.NoRecursion && evm.depth > 0 { return nil, contractAddr, gas, nil } - ret, err = run(evm, snapshot, contract, nil) + ret, err = run(evm, contract, nil) // check whether the max code size has been exceeded maxCodeSizeExceeded := evm.ChainConfig().IsEIP158(evm.BlockNumber) && len(ret) > params.MaxCodeSize // if the contract creation ran successfully and no errors were returned |