github.com/tacshi/go-ethereum@v0.0.0-20230616113857-84a434e20921/eth/tracers/native/tracer_arbitrum.go (about)

     1  // Copyright 2022 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 native
    18  
    19  import (
    20  	"math/big"
    21  	"strconv"
    22  	"strings"
    23  
    24  	"github.com/tacshi/go-ethereum/common"
    25  	"github.com/tacshi/go-ethereum/core/vm"
    26  )
    27  
    28  type arbitrumTransfer struct {
    29  	Purpose string  `json:"purpose"`
    30  	From    *string `json:"from"`
    31  	To      *string `json:"to"`
    32  	Value   string  `json:"value"`
    33  }
    34  
    35  func (t *callTracer) CaptureArbitrumTransfer(
    36  	env *vm.EVM, from, to *common.Address, value *big.Int, before bool, purpose string,
    37  ) {
    38  	transfer := arbitrumTransfer{
    39  		Purpose: purpose,
    40  		Value:   bigToHex(value),
    41  	}
    42  	if from != nil {
    43  		from := from.String()
    44  		transfer.From = &from
    45  	}
    46  	if to != nil {
    47  		to := to.String()
    48  		transfer.To = &to
    49  	}
    50  	if before {
    51  		t.beforeEVMTransfers = append(t.beforeEVMTransfers, transfer)
    52  	} else {
    53  		t.afterEVMTransfers = append(t.afterEVMTransfers, transfer)
    54  	}
    55  }
    56  
    57  func (*fourByteTracer) CaptureArbitrumTransfer(env *vm.EVM, from, to *common.Address, value *big.Int, before bool, purpose string) {
    58  }
    59  func (*noopTracer) CaptureArbitrumTransfer(env *vm.EVM, from, to *common.Address, value *big.Int, before bool, purpose string) {
    60  }
    61  func (*prestateTracer) CaptureArbitrumTransfer(env *vm.EVM, from, to *common.Address, value *big.Int, before bool, purpose string) {
    62  }
    63  func (t *flatCallTracer) CaptureArbitrumTransfer(env *vm.EVM, from, to *common.Address, value *big.Int, before bool, purpose string) {
    64  	transfer := arbitrumTransfer{
    65  		Purpose: purpose,
    66  		Value:   bigToHex(value),
    67  	}
    68  	if from != nil {
    69  		from := from.String()
    70  		transfer.From = &from
    71  	}
    72  	if to != nil {
    73  		to := to.String()
    74  		transfer.To = &to
    75  	}
    76  	if before {
    77  		t.beforeEVMTransfers = append(t.beforeEVMTransfers, transfer)
    78  	} else {
    79  		t.afterEVMTransfers = append(t.afterEVMTransfers, transfer)
    80  	}
    81  }
    82  
    83  func (*callTracer) CaptureArbitrumStorageGet(key common.Hash, depth int, before bool)     {}
    84  func (*fourByteTracer) CaptureArbitrumStorageGet(key common.Hash, depth int, before bool) {}
    85  func (*noopTracer) CaptureArbitrumStorageGet(key common.Hash, depth int, before bool)     {}
    86  func (*prestateTracer) CaptureArbitrumStorageGet(key common.Hash, depth int, before bool) {}
    87  func (*flatCallTracer) CaptureArbitrumStorageGet(key common.Hash, depth int, before bool) {}
    88  
    89  func (*callTracer) CaptureArbitrumStorageSet(key, value common.Hash, depth int, before bool)     {}
    90  func (*fourByteTracer) CaptureArbitrumStorageSet(key, value common.Hash, depth int, before bool) {}
    91  func (*noopTracer) CaptureArbitrumStorageSet(key, value common.Hash, depth int, before bool)     {}
    92  func (*prestateTracer) CaptureArbitrumStorageSet(key, value common.Hash, depth int, before bool) {}
    93  func (*flatCallTracer) CaptureArbitrumStorageSet(key, value common.Hash, depth int, before bool) {}
    94  
    95  func bigToHex(n *big.Int) string {
    96  	if n == nil {
    97  		return ""
    98  	}
    99  	return "0x" + n.Text(16)
   100  }
   101  
   102  func uintToHex(n uint64) string {
   103  	return "0x" + strconv.FormatUint(n, 16)
   104  }
   105  
   106  func addrToHex(a common.Address) string {
   107  	return strings.ToLower(a.Hex())
   108  }