github.com/MikyChow/arbitrum-go-ethereum@v0.0.0-20230306102812-078da49636de/core/vm/evm_arbitrum.go (about)

     1  // Copyright 2014 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package vm
    18  
    19  import (
    20  	"math/big"
    21  
    22  	"github.com/MikyChow/arbitrum-go-ethereum/common"
    23  	"github.com/MikyChow/arbitrum-go-ethereum/core/types"
    24  )
    25  
    26  // Depth returns the current depth
    27  func (evm *EVM) Depth() int {
    28  	return evm.depth
    29  }
    30  
    31  func (evm *EVM) IncrementDepth() {
    32  	evm.depth += 1
    33  }
    34  
    35  func (evm *EVM) DecrementDepth() {
    36  	evm.depth -= 1
    37  }
    38  
    39  type TxProcessingHook interface {
    40  	StartTxHook() (bool, uint64, error, []byte) // return 4-tuple rather than *struct to avoid an import cycle
    41  	GasChargingHook(gasRemaining *uint64) (common.Address, error)
    42  	PushCaller(addr common.Address)
    43  	PopCaller()
    44  	ForceRefundGas() uint64
    45  	NonrefundableGas() uint64
    46  	DropTip() bool
    47  	EndTxHook(totalGasUsed uint64, evmSuccess bool)
    48  	ScheduledTxes() types.Transactions
    49  	L1BlockNumber(blockCtx BlockContext) (uint64, error)
    50  	L1BlockHash(blockCtx BlockContext, l1BlocKNumber uint64) (common.Hash, error)
    51  	GasPriceOp(evm *EVM) *big.Int
    52  	FillReceiptInfo(receipt *types.Receipt)
    53  }
    54  
    55  type DefaultTxProcessor struct {
    56  	evm *EVM
    57  }
    58  
    59  func (p DefaultTxProcessor) StartTxHook() (bool, uint64, error, []byte) {
    60  	return false, 0, nil, nil
    61  }
    62  
    63  func (p DefaultTxProcessor) GasChargingHook(gasRemaining *uint64) (common.Address, error) {
    64  	return p.evm.Context.Coinbase, nil
    65  }
    66  
    67  func (p DefaultTxProcessor) PushCaller(addr common.Address) {}
    68  
    69  func (p DefaultTxProcessor) PopCaller() {}
    70  
    71  func (p DefaultTxProcessor) ForceRefundGas() uint64 { return 0 }
    72  
    73  func (p DefaultTxProcessor) NonrefundableGas() uint64 { return 0 }
    74  
    75  func (p DefaultTxProcessor) DropTip() bool { return false }
    76  
    77  func (p DefaultTxProcessor) EndTxHook(totalGasUsed uint64, evmSuccess bool) {}
    78  
    79  func (p DefaultTxProcessor) ScheduledTxes() types.Transactions {
    80  	return types.Transactions{}
    81  }
    82  
    83  func (p DefaultTxProcessor) L1BlockNumber(blockCtx BlockContext) (uint64, error) {
    84  	return blockCtx.BlockNumber.Uint64(), nil
    85  }
    86  
    87  func (p DefaultTxProcessor) L1BlockHash(blockCtx BlockContext, l1BlocKNumber uint64) (common.Hash, error) {
    88  	return blockCtx.GetHash(l1BlocKNumber), nil
    89  }
    90  
    91  func (p DefaultTxProcessor) GasPriceOp(evm *EVM) *big.Int {
    92  	return evm.GasPrice
    93  }
    94  
    95  func (p DefaultTxProcessor) FillReceiptInfo(*types.Receipt) {}