github.com/EgonCoin/EgonChain@v1.10.16/core/vm/logger.go (about)

     1  // Copyright 2021 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  	"time"
    22  
    23  	"github.com/EgonCoin/EgonChain/common"
    24  )
    25  
    26  // EVMLogger is used to collect execution traces from an EVM transaction
    27  // execution. CaptureState is called for each step of the VM with the
    28  // current VM state.
    29  // Note that reference types are actual VM data structures; make copies
    30  // if you need to retain them beyond the current call.
    31  type EVMLogger interface {
    32  	CaptureStart(env *EVM, from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int)
    33  	CaptureState(pc uint64, op OpCode, gas, cost uint64, scope *ScopeContext, rData []byte, depth int, err error)
    34  	CaptureEnter(typ OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int)
    35  	CaptureExit(output []byte, gasUsed uint64, err error)
    36  	CaptureFault(pc uint64, op OpCode, gas, cost uint64, scope *ScopeContext, depth int, err error)
    37  	CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error)
    38  }