diff options
Diffstat (limited to 'core/vm/gas_table.go')
| -rw-r--r-- | core/vm/gas_table.go | 76 |
1 files changed, 38 insertions, 38 deletions
diff --git a/core/vm/gas_table.go b/core/vm/gas_table.go index 2adaf85..0182892 100644 --- a/core/vm/gas_table.go +++ b/core/vm/gas_table.go @@ -20,8 +20,8 @@ import ( "errors" "github.com/ava-labs/coreth/params" - "github.com/ava-labs/go-ethereum/common" - "github.com/ava-labs/go-ethereum/common/math" + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/common/math" ) // memoryGasCost calculates the quadratic gas for memory expansion. It does so @@ -36,7 +36,7 @@ func memoryGasCost(mem *Memory, newMemSize uint64) (uint64, error) { // overflow. The constant 0x1FFFFFFFE0 is the highest number that can be used // without overflowing the gas calculation. if newMemSize > 0x1FFFFFFFE0 { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } newMemSizeWords := toWordSize(newMemSize) newMemSize = newMemSizeWords * 32 @@ -70,17 +70,17 @@ func memoryCopierGas(stackpos int) gasFunc { return 0, err } // And gas for copying data, charged per word at param.CopyGas - words, overflow := bigUint64(stack.Back(stackpos)) + words, overflow := stack.Back(stackpos).Uint64WithOverflow() if overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } if words, overflow = math.SafeMul(toWordSize(words), params.CopyGas); overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } if gas, overflow = math.SafeAdd(gas, words); overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } return gas, nil } @@ -96,7 +96,7 @@ var ( func gasSStore(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) { var ( y, x = stack.Back(1), stack.Back(0) - current = evm.StateDB.GetState(contract.Address(), common.BigToHash(x)) + current = evm.StateDB.GetState(contract.Address(), common.Hash(x.Bytes32())) ) // The legacy gas metering only takes into consideration the current state // Legacy rules should be applied if we are in Petersburg (removal of EIP-1283) @@ -131,11 +131,11 @@ func gasSStore(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySi // 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.BigToHash(y) + value := common.Hash(y.Bytes32()) if current == value { // noop (1) return params.NetSstoreNoopGas, nil } - original := evm.StateDB.GetCommittedState(contract.Address(), common.BigToHash(x)) + original := evm.StateDB.GetCommittedState(contract.Address(), common.Hash(x.Bytes32())) if original == current { if original == (common.Hash{}) { // create slot (2.1.1) return params.NetSstoreInitGas, nil @@ -183,14 +183,14 @@ func gasSStoreEIP2200(evm *EVM, contract *Contract, stack *Stack, mem *Memory, m // Gas sentry honoured, do the actual gas calculation based on the stored value var ( y, x = stack.Back(1), stack.Back(0) - current = evm.StateDB.GetState(contract.Address(), common.BigToHash(x)) + current = evm.StateDB.GetState(contract.Address(), common.Hash(x.Bytes32())) ) - value := common.BigToHash(y) + value := common.Hash(y.Bytes32()) if current == value { // noop (1) return params.SstoreNoopGasEIP2200, nil } - original := evm.StateDB.GetCommittedState(contract.Address(), common.BigToHash(x)) + original := evm.StateDB.GetCommittedState(contract.Address(), common.Hash(x.Bytes32())) if original == current { if original == (common.Hash{}) { // create slot (2.1.1) return params.SstoreInitGasEIP2200, nil @@ -219,9 +219,9 @@ func gasSStoreEIP2200(evm *EVM, contract *Contract, stack *Stack, mem *Memory, m func makeGasLog(n uint64) gasFunc { return func(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) { - requestedSize, overflow := bigUint64(stack.Back(1)) + requestedSize, overflow := stack.Back(1).Uint64WithOverflow() if overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } gas, err := memoryGasCost(mem, memorySize) @@ -230,18 +230,18 @@ func makeGasLog(n uint64) gasFunc { } if gas, overflow = math.SafeAdd(gas, params.LogGas); overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } if gas, overflow = math.SafeAdd(gas, n*params.LogTopicGas); overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } var memorySizeGas uint64 if memorySizeGas, overflow = math.SafeMul(requestedSize, params.LogDataGas); overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } if gas, overflow = math.SafeAdd(gas, memorySizeGas); overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } return gas, nil } @@ -252,15 +252,15 @@ func gasSha3(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize if err != nil { return 0, err } - wordGas, overflow := bigUint64(stack.Back(1)) + wordGas, overflow := stack.Back(1).Uint64WithOverflow() if overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } if wordGas, overflow = math.SafeMul(toWordSize(wordGas), params.Sha3WordGas); overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } if gas, overflow = math.SafeAdd(gas, wordGas); overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } return gas, nil } @@ -286,15 +286,15 @@ func gasCreate2(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memoryS if err != nil { return 0, err } - wordGas, overflow := bigUint64(stack.Back(2)) + wordGas, overflow := stack.Back(2).Uint64WithOverflow() if overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } if wordGas, overflow = math.SafeMul(toWordSize(wordGas), params.Sha3WordGas); overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } if gas, overflow = math.SafeAdd(gas, wordGas); overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } return gas, nil } @@ -307,7 +307,7 @@ func gasExpFrontier(evm *EVM, contract *Contract, stack *Stack, mem *Memory, mem overflow bool ) if gas, overflow = math.SafeAdd(gas, params.ExpGas); overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } return gas, nil } @@ -320,7 +320,7 @@ func gasExpEIP158(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memor overflow bool ) if gas, overflow = math.SafeAdd(gas, params.ExpGas); overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } return gas, nil } @@ -328,8 +328,8 @@ func gasExpEIP158(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memor func gasCall(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) { var ( gas uint64 - transfersValue = stack.Back(2).Sign() != 0 - address = common.BigToAddress(stack.Back(1)) + transfersValue = !stack.Back(2).IsZero() + address = common.Address(stack.Back(1).Bytes20()) ) if evm.chainRules.IsEIP158 { if transfersValue && evm.StateDB.Empty(address) { @@ -347,7 +347,7 @@ func gasCall(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize } var overflow bool if gas, overflow = math.SafeAdd(gas, memoryGas); overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } evm.callGasTemp, err = callGas(evm.chainRules.IsEIP150, contract.Gas, gas, stack.Back(0)) @@ -355,7 +355,7 @@ func gasCall(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize return 0, err } if gas, overflow = math.SafeAdd(gas, evm.callGasTemp); overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } return gas, nil } @@ -373,14 +373,14 @@ func gasCallCode(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memory gas += params.CallValueTransferGas } if gas, overflow = math.SafeAdd(gas, memoryGas); overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } evm.callGasTemp, err = callGas(evm.chainRules.IsEIP150, contract.Gas, gas, stack.Back(0)) if err != nil { return 0, err } if gas, overflow = math.SafeAdd(gas, evm.callGasTemp); overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } return gas, nil } @@ -396,7 +396,7 @@ func gasDelegateCall(evm *EVM, contract *Contract, stack *Stack, mem *Memory, me } var overflow bool if gas, overflow = math.SafeAdd(gas, evm.callGasTemp); overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } return gas, nil } @@ -412,7 +412,7 @@ func gasStaticCall(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memo } var overflow bool if gas, overflow = math.SafeAdd(gas, evm.callGasTemp); overflow { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } return gas, nil } @@ -422,7 +422,7 @@ func gasSelfdestruct(evm *EVM, contract *Contract, stack *Stack, mem *Memory, me // EIP150 homestead gas reprice fork: if evm.chainRules.IsEIP150 { gas = params.SelfdestructGasEIP150 - var address = common.BigToAddress(stack.Back(0)) + var address = common.Address(stack.Back(0).Bytes20()) if evm.chainRules.IsEIP158 { // if empty and transfers value |