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https://github.com/ethereum/go-ethereum.git
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2cfff4e562
The StateDB SelftDestruct6780 must not record a balance change since the `opSelfdestruct6780` instruction implementation already calls `StateDB.SubBalance` to deduce the suicide refund. The second test case show case a new account creations in 2.3 but that doesn't appear when running in backward compatibility mode using 3.0 version of the tracer.
271 lines
8.1 KiB
Go
271 lines
8.1 KiB
Go
// Copyright 2024 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package state
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import (
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"math/big"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/stateless"
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"github.com/ethereum/go-ethereum/core/tracing"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/trie/utils"
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"github.com/holiman/uint256"
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)
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// hookedStateDB represents a statedb which emits calls to tracing-hooks
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// on state operations.
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type hookedStateDB struct {
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inner *StateDB
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hooks *tracing.Hooks
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}
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// NewHookedState wraps the given stateDb with the given hooks
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func NewHookedState(stateDb *StateDB, hooks *tracing.Hooks) *hookedStateDB {
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s := &hookedStateDB{stateDb, hooks}
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if s.hooks == nil {
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s.hooks = new(tracing.Hooks)
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}
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// Requires to maintain Firehose 2.3 backward compatibility
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stateDb.hooks = s.hooks
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return s
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}
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func (s *hookedStateDB) CreateAccount(addr common.Address) {
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s.inner.CreateAccount(addr)
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}
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func (s *hookedStateDB) CreateContract(addr common.Address) {
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s.inner.CreateContract(addr)
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}
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func (s *hookedStateDB) GetBalance(addr common.Address) *uint256.Int {
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return s.inner.GetBalance(addr)
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}
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func (s *hookedStateDB) GetNonce(addr common.Address) uint64 {
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return s.inner.GetNonce(addr)
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}
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func (s *hookedStateDB) GetCodeHash(addr common.Address) common.Hash {
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return s.inner.GetCodeHash(addr)
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}
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func (s *hookedStateDB) GetCode(addr common.Address) []byte {
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return s.inner.GetCode(addr)
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}
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func (s *hookedStateDB) GetCodeSize(addr common.Address) int {
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return s.inner.GetCodeSize(addr)
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}
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func (s *hookedStateDB) AddRefund(u uint64) {
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s.inner.AddRefund(u)
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}
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func (s *hookedStateDB) SubRefund(u uint64) {
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s.inner.SubRefund(u)
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}
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func (s *hookedStateDB) GetRefund() uint64 {
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return s.inner.GetRefund()
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}
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func (s *hookedStateDB) GetCommittedState(addr common.Address, hash common.Hash) common.Hash {
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return s.inner.GetCommittedState(addr, hash)
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}
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func (s *hookedStateDB) GetState(addr common.Address, hash common.Hash) common.Hash {
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return s.inner.GetState(addr, hash)
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}
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func (s *hookedStateDB) GetStorageRoot(addr common.Address) common.Hash {
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return s.inner.GetStorageRoot(addr)
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}
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func (s *hookedStateDB) GetTransientState(addr common.Address, key common.Hash) common.Hash {
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return s.inner.GetTransientState(addr, key)
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}
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func (s *hookedStateDB) SetTransientState(addr common.Address, key, value common.Hash) {
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s.inner.SetTransientState(addr, key, value)
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}
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func (s *hookedStateDB) HasSelfDestructed(addr common.Address) bool {
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return s.inner.HasSelfDestructed(addr)
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}
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func (s *hookedStateDB) Exist(addr common.Address) bool {
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return s.inner.Exist(addr)
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}
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func (s *hookedStateDB) Empty(addr common.Address) bool {
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return s.inner.Empty(addr)
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}
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func (s *hookedStateDB) AddressInAccessList(addr common.Address) bool {
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return s.inner.AddressInAccessList(addr)
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}
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func (s *hookedStateDB) SlotInAccessList(addr common.Address, slot common.Hash) (addressOk bool, slotOk bool) {
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return s.inner.SlotInAccessList(addr, slot)
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}
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func (s *hookedStateDB) AddAddressToAccessList(addr common.Address) {
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s.inner.AddAddressToAccessList(addr)
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}
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func (s *hookedStateDB) AddSlotToAccessList(addr common.Address, slot common.Hash) {
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s.inner.AddSlotToAccessList(addr, slot)
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}
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func (s *hookedStateDB) PointCache() *utils.PointCache {
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return s.inner.PointCache()
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}
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func (s *hookedStateDB) Prepare(rules params.Rules, sender, coinbase common.Address, dest *common.Address, precompiles []common.Address, txAccesses types.AccessList) {
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s.inner.Prepare(rules, sender, coinbase, dest, precompiles, txAccesses)
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}
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func (s *hookedStateDB) RevertToSnapshot(i int) {
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s.inner.RevertToSnapshot(i)
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}
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func (s *hookedStateDB) Snapshot() int {
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return s.inner.Snapshot()
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}
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func (s *hookedStateDB) AddPreimage(hash common.Hash, bytes []byte) {
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s.inner.AddPreimage(hash, bytes)
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}
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func (s *hookedStateDB) Witness() *stateless.Witness {
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return s.inner.Witness()
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}
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func (s *hookedStateDB) SubBalance(addr common.Address, amount *uint256.Int, reason tracing.BalanceChangeReason) uint256.Int {
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prev := s.inner.SubBalance(addr, amount, reason)
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if s.hooks.OnBalanceChange != nil && !amount.IsZero() {
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newBalance := new(uint256.Int).Sub(&prev, amount)
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s.hooks.OnBalanceChange(addr, prev.ToBig(), newBalance.ToBig(), reason)
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}
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return prev
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}
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func (s *hookedStateDB) AddBalance(addr common.Address, amount *uint256.Int, reason tracing.BalanceChangeReason) uint256.Int {
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prev := s.inner.AddBalance(addr, amount, reason)
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if s.hooks.OnBalanceChange != nil && !amount.IsZero() {
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newBalance := new(uint256.Int).Add(&prev, amount)
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s.hooks.OnBalanceChange(addr, prev.ToBig(), newBalance.ToBig(), reason)
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}
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return prev
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}
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func (s *hookedStateDB) SetNonce(address common.Address, nonce uint64) {
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s.inner.SetNonce(address, nonce)
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if s.hooks.OnNonceChange != nil {
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s.hooks.OnNonceChange(address, nonce-1, nonce)
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}
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}
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func (s *hookedStateDB) SetCode(address common.Address, code []byte) {
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s.inner.SetCode(address, code)
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if s.hooks.OnCodeChange != nil {
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s.hooks.OnCodeChange(address, types.EmptyCodeHash, nil, crypto.Keccak256Hash(code), code)
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}
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}
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func (s *hookedStateDB) SetState(address common.Address, key common.Hash, value common.Hash) common.Hash {
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prev := s.inner.SetState(address, key, value)
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if s.hooks.OnStorageChange != nil && prev != value {
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s.hooks.OnStorageChange(address, key, prev, value)
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}
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return prev
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}
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func (s *hookedStateDB) SelfDestruct(address common.Address) uint256.Int {
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var prevCode []byte
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var prevCodeHash common.Hash
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if s.hooks.OnCodeChange != nil {
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prevCode = s.inner.GetCode(address)
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prevCodeHash = s.inner.GetCodeHash(address)
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}
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prev := s.inner.SelfDestruct(address)
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if s.hooks.OnBalanceChange != nil && !prev.IsZero() {
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s.hooks.OnBalanceChange(address, prev.ToBig(), new(big.Int), tracing.BalanceDecreaseSelfdestruct)
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}
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if s.hooks.OnCodeChange != nil && len(prevCode) > 0 {
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s.hooks.OnCodeChange(address, prevCodeHash, prevCode, types.EmptyCodeHash, nil)
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}
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return prev
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}
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func (s *hookedStateDB) SelfDestruct6780(address common.Address) (uint256.Int, bool) {
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var prevCode []byte
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var prevCodeHash common.Hash
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if s.hooks.OnCodeChange != nil {
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prevCodeHash = s.inner.GetCodeHash(address)
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prevCode = s.inner.GetCode(address)
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}
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prev, changed := s.inner.SelfDestruct6780(address)
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// No balance change hook for EIP-6780 as the instruction handler does it already
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// if s.hooks.OnBalanceChange != nil && changed && !prev.IsZero() {
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// s.hooks.OnBalanceChange(address, prev.ToBig(), new(big.Int), tracing.BalanceDecreaseSelfdestruct)
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// }
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if s.hooks.OnCodeChange != nil && changed && len(prevCode) > 0 {
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s.hooks.OnCodeChange(address, prevCodeHash, prevCode, types.EmptyCodeHash, nil)
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}
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return prev, changed
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}
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func (s *hookedStateDB) AddLog(log *types.Log) {
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// The inner will modify the log (add fields), so invoke that first
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s.inner.AddLog(log)
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if s.hooks.OnLog != nil {
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s.hooks.OnLog(log)
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}
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}
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func (s *hookedStateDB) Finalise(deleteEmptyObjects bool) {
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defer s.inner.Finalise(deleteEmptyObjects)
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if s.hooks.OnBalanceChange == nil {
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return
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}
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for addr := range s.inner.journal.dirties {
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obj := s.inner.stateObjects[addr]
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if obj != nil && obj.selfDestructed {
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// If ether was sent to account post-selfdestruct it is burnt.
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if bal := obj.Balance(); bal.Sign() != 0 {
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s.hooks.OnBalanceChange(addr, bal.ToBig(), new(big.Int), tracing.BalanceDecreaseSelfdestructBurn)
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}
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}
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}
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}
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