mirror of https://github.com/status-im/op-geth.git
141 lines
3.2 KiB
Go
141 lines
3.2 KiB
Go
// Copyright 2016 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package state
|
|
|
|
import (
|
|
"math/big"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
)
|
|
|
|
type journalEntry interface {
|
|
undo(*StateDB)
|
|
}
|
|
|
|
type journal []journalEntry
|
|
|
|
type (
|
|
// Changes to the account trie.
|
|
createObjectChange struct {
|
|
account *common.Address
|
|
}
|
|
resetObjectChange struct {
|
|
prev *stateObject
|
|
}
|
|
suicideChange struct {
|
|
account *common.Address
|
|
prev bool // whether account had already suicided
|
|
prevbalance *big.Int
|
|
}
|
|
|
|
// Changes to individual accounts.
|
|
balanceChange struct {
|
|
account *common.Address
|
|
prev *big.Int
|
|
}
|
|
nonceChange struct {
|
|
account *common.Address
|
|
prev uint64
|
|
}
|
|
storageChange struct {
|
|
account *common.Address
|
|
key, prevalue common.Hash
|
|
}
|
|
codeChange struct {
|
|
account *common.Address
|
|
prevcode, prevhash []byte
|
|
}
|
|
|
|
// Changes to other state values.
|
|
refundChange struct {
|
|
prev *big.Int
|
|
}
|
|
addLogChange struct {
|
|
txhash common.Hash
|
|
}
|
|
addPreimageChange struct {
|
|
hash common.Hash
|
|
}
|
|
touchChange struct {
|
|
account *common.Address
|
|
prev bool
|
|
prevDirty bool
|
|
}
|
|
)
|
|
|
|
func (ch createObjectChange) undo(s *StateDB) {
|
|
delete(s.stateObjects, *ch.account)
|
|
delete(s.stateObjectsDirty, *ch.account)
|
|
}
|
|
|
|
func (ch resetObjectChange) undo(s *StateDB) {
|
|
s.setStateObject(ch.prev)
|
|
}
|
|
|
|
func (ch suicideChange) undo(s *StateDB) {
|
|
obj := s.getStateObject(*ch.account)
|
|
if obj != nil {
|
|
obj.suicided = ch.prev
|
|
obj.setBalance(ch.prevbalance)
|
|
}
|
|
}
|
|
|
|
var ripemd = common.HexToAddress("0000000000000000000000000000000000000003")
|
|
|
|
func (ch touchChange) undo(s *StateDB) {
|
|
if !ch.prev && *ch.account != ripemd {
|
|
s.getStateObject(*ch.account).touched = ch.prev
|
|
if !ch.prevDirty {
|
|
delete(s.stateObjectsDirty, *ch.account)
|
|
}
|
|
}
|
|
}
|
|
|
|
func (ch balanceChange) undo(s *StateDB) {
|
|
s.getStateObject(*ch.account).setBalance(ch.prev)
|
|
}
|
|
|
|
func (ch nonceChange) undo(s *StateDB) {
|
|
s.getStateObject(*ch.account).setNonce(ch.prev)
|
|
}
|
|
|
|
func (ch codeChange) undo(s *StateDB) {
|
|
s.getStateObject(*ch.account).setCode(common.BytesToHash(ch.prevhash), ch.prevcode)
|
|
}
|
|
|
|
func (ch storageChange) undo(s *StateDB) {
|
|
s.getStateObject(*ch.account).setState(ch.key, ch.prevalue)
|
|
}
|
|
|
|
func (ch refundChange) undo(s *StateDB) {
|
|
s.refund = ch.prev
|
|
}
|
|
|
|
func (ch addLogChange) undo(s *StateDB) {
|
|
logs := s.logs[ch.txhash]
|
|
if len(logs) == 1 {
|
|
delete(s.logs, ch.txhash)
|
|
} else {
|
|
s.logs[ch.txhash] = logs[:len(logs)-1]
|
|
}
|
|
s.logSize--
|
|
}
|
|
|
|
func (ch addPreimageChange) undo(s *StateDB) {
|
|
delete(s.preimages, ch.hash)
|
|
}
|