core/state: remove account reset operation v2 (#29520)
* core/state, tests: remove account reset operation * core/state, core/vm: implement createcontract journal event * core/state: make createcontract not emit dirtied account, unskip tests * core/state: add createcontract to journal fuzzing * core/state: fix journal * core/state: address comments * core/state: remove useless code --------- Co-authored-by: Gary Rong <garyrong0905@gmail.com>
This commit is contained in:
Martin HS
GitHub
parent
938734be3c
commit
0d4c38865e
@ -17,6 +17,8 @@
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package state
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import (
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"maps"
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"github.com/ethereum/go-ethereum/common"
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"github.com/holiman/uint256"
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)
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@ -29,6 +31,9 @@ type journalEntry interface {
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// dirtied returns the Ethereum address modified by this journal entry.
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dirtied() *common.Address
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// copy returns a deep-copied journal entry.
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copy() journalEntry
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}
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// journal contains the list of state modifications applied since the last state
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@ -83,22 +88,31 @@ func (j *journal) length() int {
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return len(j.entries)
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}
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// copy returns a deep-copied journal.
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func (j *journal) copy() *journal {
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entries := make([]journalEntry, 0, j.length())
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for i := 0; i < j.length(); i++ {
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entries = append(entries, j.entries[i].copy())
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}
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return &journal{
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entries: entries,
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dirties: maps.Clone(j.dirties),
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}
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}
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type (
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// Changes to the account trie.
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createObjectChange struct {
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account *common.Address
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}
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resetObjectChange struct {
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account *common.Address
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prev *stateObject
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prevdestruct bool
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prevAccount []byte
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prevStorage map[common.Hash][]byte
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prevAccountOriginExist bool
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prevAccountOrigin []byte
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prevStorageOrigin map[common.Hash][]byte
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// createContractChange represents an account becoming a contract-account.
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// This event happens prior to executing initcode. The journal-event simply
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// manages the created-flag, in order to allow same-tx destruction.
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createContractChange struct {
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account common.Address
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}
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selfDestructChange struct {
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account *common.Address
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prev bool // whether account had already self-destructed
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@ -136,6 +150,7 @@ type (
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touchChange struct {
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account *common.Address
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}
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// Changes to the access list
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accessListAddAccountChange struct {
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address *common.Address
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@ -145,6 +160,7 @@ type (
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slot *common.Hash
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}
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// Changes to transient storage
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transientStorageChange struct {
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account *common.Address
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key, prevalue common.Hash
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@ -153,34 +169,30 @@ type (
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func (ch createObjectChange) revert(s *StateDB) {
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delete(s.stateObjects, *ch.account)
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delete(s.stateObjectsDirty, *ch.account)
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}
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func (ch createObjectChange) dirtied() *common.Address {
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return ch.account
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}
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func (ch resetObjectChange) revert(s *StateDB) {
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s.setStateObject(ch.prev)
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if !ch.prevdestruct {
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delete(s.stateObjectsDestruct, ch.prev.address)
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}
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if ch.prevAccount != nil {
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s.accounts[ch.prev.addrHash] = ch.prevAccount
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}
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if ch.prevStorage != nil {
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s.storages[ch.prev.addrHash] = ch.prevStorage
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}
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if ch.prevAccountOriginExist {
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s.accountsOrigin[ch.prev.address] = ch.prevAccountOrigin
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}
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if ch.prevStorageOrigin != nil {
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s.storagesOrigin[ch.prev.address] = ch.prevStorageOrigin
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func (ch createObjectChange) copy() journalEntry {
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return createObjectChange{
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account: ch.account,
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}
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}
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func (ch resetObjectChange) dirtied() *common.Address {
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return ch.account
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func (ch createContractChange) revert(s *StateDB) {
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s.getStateObject(ch.account).newContract = false
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}
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func (ch createContractChange) dirtied() *common.Address {
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return nil
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}
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func (ch createContractChange) copy() journalEntry {
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return createContractChange{
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account: ch.account,
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}
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}
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func (ch selfDestructChange) revert(s *StateDB) {
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@ -195,6 +207,14 @@ func (ch selfDestructChange) dirtied() *common.Address {
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return ch.account
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}
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func (ch selfDestructChange) copy() journalEntry {
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return selfDestructChange{
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account: ch.account,
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prev: ch.prev,
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prevbalance: new(uint256.Int).Set(ch.prevbalance),
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}
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}
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var ripemd = common.HexToAddress("0000000000000000000000000000000000000003")
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func (ch touchChange) revert(s *StateDB) {
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@ -204,6 +224,12 @@ func (ch touchChange) dirtied() *common.Address {
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return ch.account
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}
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func (ch touchChange) copy() journalEntry {
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return touchChange{
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account: ch.account,
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}
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}
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func (ch balanceChange) revert(s *StateDB) {
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s.getStateObject(*ch.account).setBalance(ch.prev)
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}
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@ -212,6 +238,13 @@ func (ch balanceChange) dirtied() *common.Address {
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return ch.account
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}
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func (ch balanceChange) copy() journalEntry {
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return balanceChange{
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account: ch.account,
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prev: new(uint256.Int).Set(ch.prev),
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}
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}
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func (ch nonceChange) revert(s *StateDB) {
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s.getStateObject(*ch.account).setNonce(ch.prev)
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}
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@ -220,6 +253,13 @@ func (ch nonceChange) dirtied() *common.Address {
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return ch.account
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}
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func (ch nonceChange) copy() journalEntry {
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return nonceChange{
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account: ch.account,
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prev: ch.prev,
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}
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}
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func (ch codeChange) revert(s *StateDB) {
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s.getStateObject(*ch.account).setCode(common.BytesToHash(ch.prevhash), ch.prevcode)
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}
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@ -228,6 +268,14 @@ func (ch codeChange) dirtied() *common.Address {
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return ch.account
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}
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func (ch codeChange) copy() journalEntry {
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return codeChange{
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account: ch.account,
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prevhash: common.CopyBytes(ch.prevhash),
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prevcode: common.CopyBytes(ch.prevcode),
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}
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}
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func (ch storageChange) revert(s *StateDB) {
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s.getStateObject(*ch.account).setState(ch.key, ch.prevalue)
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}
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@ -236,6 +284,14 @@ func (ch storageChange) dirtied() *common.Address {
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return ch.account
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}
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func (ch storageChange) copy() journalEntry {
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return storageChange{
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account: ch.account,
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key: ch.key,
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prevalue: ch.prevalue,
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}
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}
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func (ch transientStorageChange) revert(s *StateDB) {
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s.setTransientState(*ch.account, ch.key, ch.prevalue)
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}
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@ -244,6 +300,14 @@ func (ch transientStorageChange) dirtied() *common.Address {
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return nil
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}
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func (ch transientStorageChange) copy() journalEntry {
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return transientStorageChange{
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account: ch.account,
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key: ch.key,
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prevalue: ch.prevalue,
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}
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}
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func (ch refundChange) revert(s *StateDB) {
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s.refund = ch.prev
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}
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@ -252,6 +316,12 @@ func (ch refundChange) dirtied() *common.Address {
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return nil
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}
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func (ch refundChange) copy() journalEntry {
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return refundChange{
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prev: ch.prev,
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}
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}
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func (ch addLogChange) revert(s *StateDB) {
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logs := s.logs[ch.txhash]
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if len(logs) == 1 {
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@ -266,6 +336,12 @@ func (ch addLogChange) dirtied() *common.Address {
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return nil
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}
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func (ch addLogChange) copy() journalEntry {
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return addLogChange{
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txhash: ch.txhash,
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}
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}
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func (ch addPreimageChange) revert(s *StateDB) {
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delete(s.preimages, ch.hash)
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}
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@ -274,6 +350,12 @@ func (ch addPreimageChange) dirtied() *common.Address {
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return nil
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}
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func (ch addPreimageChange) copy() journalEntry {
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return addPreimageChange{
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hash: ch.hash,
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}
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}
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func (ch accessListAddAccountChange) revert(s *StateDB) {
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/*
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One important invariant here, is that whenever a (addr, slot) is added, if the
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@ -291,6 +373,12 @@ func (ch accessListAddAccountChange) dirtied() *common.Address {
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return nil
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}
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func (ch accessListAddAccountChange) copy() journalEntry {
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return accessListAddAccountChange{
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address: ch.address,
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}
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}
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func (ch accessListAddSlotChange) revert(s *StateDB) {
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s.accessList.DeleteSlot(*ch.address, *ch.slot)
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}
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@ -298,3 +386,10 @@ func (ch accessListAddSlotChange) revert(s *StateDB) {
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func (ch accessListAddSlotChange) dirtied() *common.Address {
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return nil
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}
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func (ch accessListAddSlotChange) copy() journalEntry {
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return accessListAddSlotChange{
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address: ch.address,
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slot: ch.slot,
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}
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}
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@ -32,21 +32,8 @@ import (
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"github.com/holiman/uint256"
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)
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type Code []byte
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func (c Code) String() string {
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return string(c) //strings.Join(Disassemble(c), " ")
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}
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type Storage map[common.Hash]common.Hash
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func (s Storage) String() (str string) {
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for key, value := range s {
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str += fmt.Sprintf("%X : %X\n", key, value)
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}
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return
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}
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func (s Storage) Copy() Storage {
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return maps.Clone(s)
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}
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@ -66,7 +53,7 @@ type stateObject struct {
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// Write caches.
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trie Trie // storage trie, which becomes non-nil on first access
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code Code // contract bytecode, which gets set when code is loaded
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code []byte // contract bytecode, which gets set when code is loaded
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originStorage Storage // Storage cache of original entries to dedup rewrites
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pendingStorage Storage // Storage entries that need to be flushed to disk, at the end of an entire block
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@ -75,17 +62,16 @@ type stateObject struct {
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// Cache flags.
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dirtyCode bool // true if the code was updated
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// Flag whether the account was marked as self-destructed. The self-destructed account
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// is still accessible in the scope of same transaction.
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// Flag whether the account was marked as self-destructed. The self-destructed
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// account is still accessible in the scope of same transaction.
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selfDestructed bool
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// Flag whether the account was marked as deleted. A self-destructed account
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// or an account that is considered as empty will be marked as deleted at
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// the end of transaction and no longer accessible anymore.
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deleted bool
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// Flag whether the object was created in the current transaction
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created bool
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// This is an EIP-6780 flag indicating whether the object is eligible for
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// self-destruct according to EIP-6780. The flag could be set either when
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// the contract is just created within the current transaction, or when the
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// object was previously existent and is being deployed as a contract within
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// the current transaction.
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newContract bool
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}
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// empty returns whether the account is considered empty.
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@ -95,10 +81,7 @@ func (s *stateObject) empty() bool {
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// newObject creates a state object.
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func newObject(db *StateDB, address common.Address, acct *types.StateAccount) *stateObject {
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var (
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origin = acct
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created = acct == nil // true if the account was not existent
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)
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origin := acct
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if acct == nil {
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acct = types.NewEmptyStateAccount()
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}
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@ -111,7 +94,6 @@ func newObject(db *StateDB, address common.Address, acct *types.StateAccount) *s
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originStorage: make(Storage),
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pendingStorage: make(Storage),
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dirtyStorage: make(Storage),
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created: created,
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}
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}
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@ -264,6 +246,10 @@ func (s *stateObject) finalise(prefetch bool) {
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if len(s.dirtyStorage) > 0 {
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s.dirtyStorage = make(Storage)
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}
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// Revoke the flag at the end of the transaction. It finalizes the status
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// of the newly-created object as it's no longer eligible for self-destruct
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// by EIP-6780. For non-newly-created objects, it's a no-op.
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s.newContract = false
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}
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// updateTrie is responsible for persisting cached storage changes into the
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@ -463,12 +449,12 @@ func (s *stateObject) deepCopy(db *StateDB) *stateObject {
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obj.trie = db.db.CopyTrie(s.trie)
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}
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obj.code = s.code
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obj.dirtyStorage = s.dirtyStorage.Copy()
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obj.originStorage = s.originStorage.Copy()
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obj.pendingStorage = s.pendingStorage.Copy()
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obj.selfDestructed = s.selfDestructed
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obj.dirtyStorage = s.dirtyStorage.Copy()
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obj.dirtyCode = s.dirtyCode
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obj.deleted = s.deleted
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obj.selfDestructed = s.selfDestructed
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obj.newContract = s.newContract
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return obj
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}
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@ -483,7 +469,7 @@ func (s *stateObject) Address() common.Address {
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// Code returns the contract code associated with this object, if any.
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func (s *stateObject) Code() []byte {
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if s.code != nil {
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if len(s.code) != 0 {
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return s.code
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}
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if bytes.Equal(s.CodeHash(), types.EmptyCodeHash.Bytes()) {
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@ -501,7 +487,7 @@ func (s *stateObject) Code() []byte {
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// or zero if none. This method is an almost mirror of Code, but uses a cache
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// inside the database to avoid loading codes seen recently.
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func (s *stateObject) CodeSize() int {
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if s.code != nil {
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if len(s.code) != 0 {
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return len(s.code)
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}
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if bytes.Equal(s.CodeHash(), types.EmptyCodeHash.Bytes()) {
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@ -194,106 +194,20 @@ func TestSnapshotEmpty(t *testing.T) {
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s.state.RevertToSnapshot(s.state.Snapshot())
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}
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func TestSnapshot2(t *testing.T) {
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func TestCreateObjectRevert(t *testing.T) {
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state, _ := New(types.EmptyRootHash, NewDatabase(rawdb.NewMemoryDatabase()), nil)
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addr := common.BytesToAddress([]byte("so0"))
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snap := state.Snapshot()
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stateobjaddr0 := common.BytesToAddress([]byte("so0"))
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stateobjaddr1 := common.BytesToAddress([]byte("so1"))
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var storageaddr common.Hash
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data0 := common.BytesToHash([]byte{17})
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data1 := common.BytesToHash([]byte{18})
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state.SetState(stateobjaddr0, storageaddr, data0)
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state.SetState(stateobjaddr1, storageaddr, data1)
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// db, trie are already non-empty values
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so0 := state.getStateObject(stateobjaddr0)
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state.CreateAccount(addr)
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so0 := state.getStateObject(addr)
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so0.SetBalance(uint256.NewInt(42), tracing.BalanceChangeUnspecified)
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so0.SetNonce(43)
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so0.SetCode(crypto.Keccak256Hash([]byte{'c', 'a', 'f', 'e'}), []byte{'c', 'a', 'f', 'e'})
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so0.selfDestructed = false
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so0.deleted = false
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state.setStateObject(so0)
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root, _ := state.Commit(0, false)
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state, _ = New(root, state.db, state.snaps)
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// and one with deleted == true
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so1 := state.getStateObject(stateobjaddr1)
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so1.SetBalance(uint256.NewInt(52), tracing.BalanceChangeUnspecified)
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so1.SetNonce(53)
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so1.SetCode(crypto.Keccak256Hash([]byte{'c', 'a', 'f', 'e', '2'}), []byte{'c', 'a', 'f', 'e', '2'})
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so1.selfDestructed = true
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so1.deleted = true
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state.setStateObject(so1)
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so1 = state.getStateObject(stateobjaddr1)
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if so1 != nil {
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t.Fatalf("deleted object not nil when getting")
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}
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snapshot := state.Snapshot()
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state.RevertToSnapshot(snapshot)
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so0Restored := state.getStateObject(stateobjaddr0)
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// Update lazily-loaded values before comparing.
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so0Restored.GetState(storageaddr)
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so0Restored.Code()
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// non-deleted is equal (restored)
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compareStateObjects(so0Restored, so0, t)
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// deleted should be nil, both before and after restore of state copy
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so1Restored := state.getStateObject(stateobjaddr1)
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if so1Restored != nil {
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t.Fatalf("deleted object not nil after restoring snapshot: %+v", so1Restored)
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}
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}
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func compareStateObjects(so0, so1 *stateObject, t *testing.T) {
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if so0.Address() != so1.Address() {
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t.Fatalf("Address mismatch: have %v, want %v", so0.address, so1.address)
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}
|
||||
if so0.Balance().Cmp(so1.Balance()) != 0 {
|
||||
t.Fatalf("Balance mismatch: have %v, want %v", so0.Balance(), so1.Balance())
|
||||
}
|
||||
if so0.Nonce() != so1.Nonce() {
|
||||
t.Fatalf("Nonce mismatch: have %v, want %v", so0.Nonce(), so1.Nonce())
|
||||
}
|
||||
if so0.data.Root != so1.data.Root {
|
||||
t.Errorf("Root mismatch: have %x, want %x", so0.data.Root[:], so1.data.Root[:])
|
||||
}
|
||||
if !bytes.Equal(so0.CodeHash(), so1.CodeHash()) {
|
||||
t.Fatalf("CodeHash mismatch: have %v, want %v", so0.CodeHash(), so1.CodeHash())
|
||||
}
|
||||
if !bytes.Equal(so0.code, so1.code) {
|
||||
t.Fatalf("Code mismatch: have %v, want %v", so0.code, so1.code)
|
||||
}
|
||||
|
||||
if len(so1.dirtyStorage) != len(so0.dirtyStorage) {
|
||||
t.Errorf("Dirty storage size mismatch: have %d, want %d", len(so1.dirtyStorage), len(so0.dirtyStorage))
|
||||
}
|
||||
for k, v := range so1.dirtyStorage {
|
||||
if so0.dirtyStorage[k] != v {
|
||||
t.Errorf("Dirty storage key %x mismatch: have %v, want %v", k, so0.dirtyStorage[k], v)
|
||||
}
|
||||
}
|
||||
for k, v := range so0.dirtyStorage {
|
||||
if so1.dirtyStorage[k] != v {
|
||||
t.Errorf("Dirty storage key %x mismatch: have %v, want none.", k, v)
|
||||
}
|
||||
}
|
||||
if len(so1.originStorage) != len(so0.originStorage) {
|
||||
t.Errorf("Origin storage size mismatch: have %d, want %d", len(so1.originStorage), len(so0.originStorage))
|
||||
}
|
||||
for k, v := range so1.originStorage {
|
||||
if so0.originStorage[k] != v {
|
||||
t.Errorf("Origin storage key %x mismatch: have %v, want %v", k, so0.originStorage[k], v)
|
||||
}
|
||||
}
|
||||
for k, v := range so0.originStorage {
|
||||
if so1.originStorage[k] != v {
|
||||
t.Errorf("Origin storage key %x mismatch: have %v, want none.", k, v)
|
||||
}
|
||||
state.RevertToSnapshot(snap)
|
||||
if state.Exist(addr) {
|
||||
t.Error("Unexpected account after revert")
|
||||
}
|
||||
}
|
||||
|
||||
@ -44,6 +44,26 @@ type revision struct {
|
||||
journalIndex int
|
||||
}
|
||||
|
||||
type mutationType int
|
||||
|
||||
const (
|
||||
update mutationType = iota
|
||||
deletion
|
||||
)
|
||||
|
||||
type mutation struct {
|
||||
typ mutationType
|
||||
applied bool
|
||||
}
|
||||
|
||||
func (m *mutation) copy() *mutation {
|
||||
return &mutation{typ: m.typ, applied: m.applied}
|
||||
}
|
||||
|
||||
func (m *mutation) isDelete() bool {
|
||||
return m.typ == deletion
|
||||
}
|
||||
|
||||
// StateDB structs within the ethereum protocol are used to store anything
|
||||
// within the merkle trie. StateDBs take care of caching and storing
|
||||
// nested states. It's the general query interface to retrieve:
|
||||
@ -75,12 +95,22 @@ type StateDB struct {
|
||||
accountsOrigin map[common.Address][]byte // The original value of mutated accounts in 'slim RLP' encoding
|
||||
storagesOrigin map[common.Address]map[common.Hash][]byte // The original value of mutated slots in prefix-zero trimmed rlp format
|
||||
|
||||
// This map holds 'live' objects, which will get modified while processing
|
||||
// a state transition.
|
||||
// This map holds 'live' objects, which will get modified while
|
||||
// processing a state transition.
|
||||
stateObjects map[common.Address]*stateObject
|
||||
stateObjectsPending map[common.Address]struct{} // State objects finalized but not yet written to the trie
|
||||
stateObjectsDirty map[common.Address]struct{} // State objects modified in the current execution
|
||||
stateObjectsDestruct map[common.Address]*types.StateAccount // State objects destructed in the block along with its previous value
|
||||
|
||||
// This map holds 'deleted' objects. An object with the same address
|
||||
// might also occur in the 'stateObjects' map due to account
|
||||
// resurrection. The account value is tracked as the original value
|
||||
// before the transition. This map is populated at the transaction
|
||||
// boundaries.
|
||||
stateObjectsDestruct map[common.Address]*types.StateAccount
|
||||
|
||||
// This map tracks the account mutations that occurred during the
|
||||
// transition. Uncommitted mutations belonging to the same account
|
||||
// can be merged into a single one which is equivalent from database's
|
||||
// perspective. This map is populated at the transaction boundaries.
|
||||
mutations map[common.Address]*mutation
|
||||
|
||||
// DB error.
|
||||
// State objects are used by the consensus core and VM which are
|
||||
@ -154,9 +184,8 @@ func New(root common.Hash, db Database, snaps *snapshot.Tree) (*StateDB, error)
|
||||
accountsOrigin: make(map[common.Address][]byte),
|
||||
storagesOrigin: make(map[common.Address]map[common.Hash][]byte),
|
||||
stateObjects: make(map[common.Address]*stateObject),
|
||||
stateObjectsPending: make(map[common.Address]struct{}),
|
||||
stateObjectsDirty: make(map[common.Address]struct{}),
|
||||
stateObjectsDestruct: make(map[common.Address]*types.StateAccount),
|
||||
mutations: make(map[common.Address]*mutation),
|
||||
logs: make(map[common.Hash][]*types.Log),
|
||||
preimages: make(map[common.Hash][]byte),
|
||||
journal: newJournal(),
|
||||
@ -472,8 +501,7 @@ func (s *StateDB) Selfdestruct6780(addr common.Address) {
|
||||
if stateObject == nil {
|
||||
return
|
||||
}
|
||||
|
||||
if stateObject.created {
|
||||
if stateObject.newContract {
|
||||
s.SelfDestruct(addr)
|
||||
}
|
||||
}
|
||||
@ -552,24 +580,16 @@ func (s *StateDB) deleteStateObject(addr common.Address) {
|
||||
}
|
||||
|
||||
// getStateObject retrieves a state object given by the address, returning nil if
|
||||
// the object is not found or was deleted in this execution context. If you need
|
||||
// to differentiate between non-existent/just-deleted, use getDeletedStateObject.
|
||||
// the object is not found or was deleted in this execution context.
|
||||
func (s *StateDB) getStateObject(addr common.Address) *stateObject {
|
||||
if obj := s.getDeletedStateObject(addr); obj != nil && !obj.deleted {
|
||||
return obj
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// getDeletedStateObject is similar to getStateObject, but instead of returning
|
||||
// nil for a deleted state object, it returns the actual object with the deleted
|
||||
// flag set. This is needed by the state journal to revert to the correct s-
|
||||
// destructed object instead of wiping all knowledge about the state object.
|
||||
func (s *StateDB) getDeletedStateObject(addr common.Address) *stateObject {
|
||||
// Prefer live objects if any is available
|
||||
if obj := s.stateObjects[addr]; obj != nil {
|
||||
return obj
|
||||
}
|
||||
// Short circuit if the account is already destructed in this block.
|
||||
if _, ok := s.stateObjectsDestruct[addr]; ok {
|
||||
return nil
|
||||
}
|
||||
// If no live objects are available, attempt to use snapshots
|
||||
var data *types.StateAccount
|
||||
if s.snap != nil {
|
||||
@ -622,69 +642,40 @@ func (s *StateDB) setStateObject(object *stateObject) {
|
||||
|
||||
// getOrNewStateObject retrieves a state object or create a new state object if nil.
|
||||
func (s *StateDB) getOrNewStateObject(addr common.Address) *stateObject {
|
||||
stateObject := s.getStateObject(addr)
|
||||
if stateObject == nil {
|
||||
stateObject, _ = s.createObject(addr)
|
||||
obj := s.getStateObject(addr)
|
||||
if obj == nil {
|
||||
obj = s.createObject(addr)
|
||||
}
|
||||
return stateObject
|
||||
return obj
|
||||
}
|
||||
|
||||
// createObject creates a new state object. If there is an existing account with
|
||||
// the given address, it is overwritten and returned as the second return value.
|
||||
func (s *StateDB) createObject(addr common.Address) (newobj, prev *stateObject) {
|
||||
prev = s.getDeletedStateObject(addr) // Note, prev might have been deleted, we need that!
|
||||
newobj = newObject(s, addr, nil)
|
||||
if prev == nil {
|
||||
// createObject creates a new state object. The assumption is held there is no
|
||||
// existing account with the given address, otherwise it will be silently overwritten.
|
||||
func (s *StateDB) createObject(addr common.Address) *stateObject {
|
||||
obj := newObject(s, addr, nil)
|
||||
s.journal.append(createObjectChange{account: &addr})
|
||||
} else {
|
||||
// The original account should be marked as destructed and all cached
|
||||
// account and storage data should be cleared as well. Note, it must
|
||||
// be done here, otherwise the destruction event of "original account"
|
||||
// will be lost.
|
||||
_, prevdestruct := s.stateObjectsDestruct[prev.address]
|
||||
if !prevdestruct {
|
||||
s.stateObjectsDestruct[prev.address] = prev.origin
|
||||
}
|
||||
// There may be some cached account/storage data already since IntermediateRoot
|
||||
// will be called for each transaction before byzantium fork which will always
|
||||
// cache the latest account/storage data.
|
||||
prevAccount, ok := s.accountsOrigin[prev.address]
|
||||
s.journal.append(resetObjectChange{
|
||||
account: &addr,
|
||||
prev: prev,
|
||||
prevdestruct: prevdestruct,
|
||||
prevAccount: s.accounts[prev.addrHash],
|
||||
prevStorage: s.storages[prev.addrHash],
|
||||
prevAccountOriginExist: ok,
|
||||
prevAccountOrigin: prevAccount,
|
||||
prevStorageOrigin: s.storagesOrigin[prev.address],
|
||||
})
|
||||
delete(s.accounts, prev.addrHash)
|
||||
delete(s.storages, prev.addrHash)
|
||||
delete(s.accountsOrigin, prev.address)
|
||||
delete(s.storagesOrigin, prev.address)
|
||||
}
|
||||
s.setStateObject(newobj)
|
||||
if prev != nil && !prev.deleted {
|
||||
return newobj, prev
|
||||
}
|
||||
return newobj, nil
|
||||
s.setStateObject(obj)
|
||||
return obj
|
||||
}
|
||||
|
||||
// CreateAccount explicitly creates a state object. If a state object with the address
|
||||
// already exists the balance is carried over to the new account.
|
||||
//
|
||||
// CreateAccount is called during the EVM CREATE operation. The situation might arise that
|
||||
// a contract does the following:
|
||||
//
|
||||
// 1. sends funds to sha(account ++ (nonce + 1))
|
||||
// 2. tx_create(sha(account ++ nonce)) (note that this gets the address of 1)
|
||||
//
|
||||
// Carrying over the balance ensures that Ether doesn't disappear.
|
||||
// CreateAccount explicitly creates a new state object, assuming that the
|
||||
// account did not previously exist in the state. If the account already
|
||||
// exists, this function will silently overwrite it which might lead to a
|
||||
// consensus bug eventually.
|
||||
func (s *StateDB) CreateAccount(addr common.Address) {
|
||||
newObj, prev := s.createObject(addr)
|
||||
if prev != nil {
|
||||
newObj.setBalance(prev.data.Balance)
|
||||
s.createObject(addr)
|
||||
}
|
||||
|
||||
// CreateContract is used whenever a contract is created. This may be preceded
|
||||
// by CreateAccount, but that is not required if it already existed in the
|
||||
// state due to funds sent beforehand.
|
||||
// This operation sets the 'newContract'-flag, which is required in order to
|
||||
// correctly handle EIP-6780 'delete-in-same-transaction' logic.
|
||||
func (s *StateDB) CreateContract(addr common.Address) {
|
||||
obj := s.getStateObject(addr)
|
||||
if !obj.newContract {
|
||||
obj.newContract = true
|
||||
s.journal.append(createContractChange{account: addr})
|
||||
}
|
||||
}
|
||||
|
||||
@ -695,21 +686,25 @@ func (s *StateDB) Copy() *StateDB {
|
||||
state := &StateDB{
|
||||
db: s.db,
|
||||
trie: s.db.CopyTrie(s.trie),
|
||||
hasher: crypto.NewKeccakState(),
|
||||
originalRoot: s.originalRoot,
|
||||
accounts: copySet(s.accounts),
|
||||
storages: copy2DSet(s.storages),
|
||||
accountsOrigin: copySet(s.accountsOrigin),
|
||||
storagesOrigin: copy2DSet(s.storagesOrigin),
|
||||
stateObjects: make(map[common.Address]*stateObject, len(s.journal.dirties)),
|
||||
stateObjectsPending: make(map[common.Address]struct{}, len(s.stateObjectsPending)),
|
||||
stateObjectsDirty: make(map[common.Address]struct{}, len(s.journal.dirties)),
|
||||
stateObjects: make(map[common.Address]*stateObject, len(s.stateObjects)),
|
||||
stateObjectsDestruct: maps.Clone(s.stateObjectsDestruct),
|
||||
mutations: make(map[common.Address]*mutation, len(s.mutations)),
|
||||
dbErr: s.dbErr,
|
||||
refund: s.refund,
|
||||
thash: s.thash,
|
||||
txIndex: s.txIndex,
|
||||
logs: make(map[common.Hash][]*types.Log, len(s.logs)),
|
||||
logSize: s.logSize,
|
||||
preimages: maps.Clone(s.preimages),
|
||||
journal: newJournal(),
|
||||
hasher: crypto.NewKeccakState(),
|
||||
journal: s.journal.copy(),
|
||||
validRevisions: slices.Clone(s.validRevisions),
|
||||
nextRevisionId: s.nextRevisionId,
|
||||
|
||||
// In order for the block producer to be able to use and make additions
|
||||
// to the snapshot tree, we need to copy that as well. Otherwise, any
|
||||
@ -718,39 +713,14 @@ func (s *StateDB) Copy() *StateDB {
|
||||
snaps: s.snaps,
|
||||
snap: s.snap,
|
||||
}
|
||||
// Copy the dirty states, logs, and preimages
|
||||
for addr := range s.journal.dirties {
|
||||
// As documented [here](https://github.com/ethereum/go-ethereum/pull/16485#issuecomment-380438527),
|
||||
// and in the Finalise-method, there is a case where an object is in the journal but not
|
||||
// in the stateObjects: OOG after touch on ripeMD prior to Byzantium. Thus, we need to check for
|
||||
// nil
|
||||
if object, exist := s.stateObjects[addr]; exist {
|
||||
// Even though the original object is dirty, we are not copying the journal,
|
||||
// so we need to make sure that any side-effect the journal would have caused
|
||||
// during a commit (or similar op) is already applied to the copy.
|
||||
state.stateObjects[addr] = object.deepCopy(state)
|
||||
|
||||
state.stateObjectsDirty[addr] = struct{}{} // Mark the copy dirty to force internal (code/state) commits
|
||||
state.stateObjectsPending[addr] = struct{}{} // Mark the copy pending to force external (account) commits
|
||||
// Deep copy cached state objects.
|
||||
for addr, obj := range s.stateObjects {
|
||||
state.stateObjects[addr] = obj.deepCopy(state)
|
||||
}
|
||||
// Deep copy the object state markers.
|
||||
for addr, op := range s.mutations {
|
||||
state.mutations[addr] = op.copy()
|
||||
}
|
||||
// Above, we don't copy the actual journal. This means that if the copy
|
||||
// is copied, the loop above will be a no-op, since the copy's journal
|
||||
// is empty. Thus, here we iterate over stateObjects, to enable copies
|
||||
// of copies.
|
||||
for addr := range s.stateObjectsPending {
|
||||
if _, exist := state.stateObjects[addr]; !exist {
|
||||
state.stateObjects[addr] = s.stateObjects[addr].deepCopy(state)
|
||||
}
|
||||
state.stateObjectsPending[addr] = struct{}{}
|
||||
}
|
||||
for addr := range s.stateObjectsDirty {
|
||||
if _, exist := state.stateObjects[addr]; !exist {
|
||||
state.stateObjects[addr] = s.stateObjects[addr].deepCopy(state)
|
||||
}
|
||||
state.stateObjectsDirty[addr] = struct{}{}
|
||||
}
|
||||
|
||||
// Deep copy the logs occurred in the scope of block
|
||||
for hash, logs := range s.logs {
|
||||
cpy := make([]*types.Log, len(logs))
|
||||
@ -760,7 +730,6 @@ func (s *StateDB) Copy() *StateDB {
|
||||
}
|
||||
state.logs[hash] = cpy
|
||||
}
|
||||
|
||||
// Do we need to copy the access list and transient storage?
|
||||
// In practice: No. At the start of a transaction, these two lists are empty.
|
||||
// In practice, we only ever copy state _between_ transactions/blocks, never
|
||||
@ -825,7 +794,8 @@ func (s *StateDB) Finalise(deleteEmptyObjects bool) {
|
||||
continue
|
||||
}
|
||||
if obj.selfDestructed || (deleteEmptyObjects && obj.empty()) {
|
||||
obj.deleted = true
|
||||
delete(s.stateObjects, obj.address)
|
||||
s.markDelete(addr)
|
||||
|
||||
// If ether was sent to account post-selfdestruct it is burnt.
|
||||
if bal := obj.Balance(); s.logger != nil && s.logger.OnBalanceChange != nil && obj.selfDestructed && bal.Sign() != 0 {
|
||||
@ -846,11 +816,8 @@ func (s *StateDB) Finalise(deleteEmptyObjects bool) {
|
||||
delete(s.storagesOrigin, obj.address) // Clear out any previously updated storage data (may be recreated via a resurrect)
|
||||
} else {
|
||||
obj.finalise(true) // Prefetch slots in the background
|
||||
s.markUpdate(addr)
|
||||
}
|
||||
obj.created = false
|
||||
s.stateObjectsPending[addr] = struct{}{}
|
||||
s.stateObjectsDirty[addr] = struct{}{}
|
||||
|
||||
// At this point, also ship the address off to the precacher. The precacher
|
||||
// will start loading tries, and when the change is eventually committed,
|
||||
// the commit-phase will be a lot faster
|
||||
@ -889,10 +856,14 @@ func (s *StateDB) IntermediateRoot(deleteEmptyObjects bool) common.Hash {
|
||||
// the account prefetcher. Instead, let's process all the storage updates
|
||||
// first, giving the account prefetches just a few more milliseconds of time
|
||||
// to pull useful data from disk.
|
||||
for addr := range s.stateObjectsPending {
|
||||
if obj := s.stateObjects[addr]; !obj.deleted {
|
||||
obj.updateRoot()
|
||||
for addr, op := range s.mutations {
|
||||
if op.applied {
|
||||
continue
|
||||
}
|
||||
if op.isDelete() {
|
||||
continue
|
||||
}
|
||||
s.stateObjects[addr].updateRoot()
|
||||
}
|
||||
// Now we're about to start to write changes to the trie. The trie is so far
|
||||
// _untouched_. We can check with the prefetcher, if it can give us a trie
|
||||
@ -902,7 +873,6 @@ func (s *StateDB) IntermediateRoot(deleteEmptyObjects bool) common.Hash {
|
||||
s.trie = trie
|
||||
}
|
||||
}
|
||||
usedAddrs := make([][]byte, 0, len(s.stateObjectsPending))
|
||||
// Perform updates before deletions. This prevents resolution of unnecessary trie nodes
|
||||
// in circumstances similar to the following:
|
||||
//
|
||||
@ -913,13 +883,21 @@ func (s *StateDB) IntermediateRoot(deleteEmptyObjects bool) common.Hash {
|
||||
// If the self-destruct is handled first, then `P` would be left with only one child, thus collapsed
|
||||
// into a shortnode. This requires `B` to be resolved from disk.
|
||||
// Whereas if the created node is handled first, then the collapse is avoided, and `B` is not resolved.
|
||||
var deletedAddrs []common.Address
|
||||
for addr := range s.stateObjectsPending {
|
||||
if obj := s.stateObjects[addr]; !obj.deleted {
|
||||
s.updateStateObject(obj)
|
||||
s.AccountUpdated += 1
|
||||
var (
|
||||
usedAddrs [][]byte
|
||||
deletedAddrs []common.Address
|
||||
)
|
||||
for addr, op := range s.mutations {
|
||||
if op.applied {
|
||||
continue
|
||||
}
|
||||
op.applied = true
|
||||
|
||||
if op.isDelete() {
|
||||
deletedAddrs = append(deletedAddrs, addr)
|
||||
} else {
|
||||
deletedAddrs = append(deletedAddrs, obj.address)
|
||||
s.updateStateObject(s.stateObjects[addr])
|
||||
s.AccountUpdated += 1
|
||||
}
|
||||
usedAddrs = append(usedAddrs, common.CopyBytes(addr[:])) // Copy needed for closure
|
||||
}
|
||||
@ -930,9 +908,6 @@ func (s *StateDB) IntermediateRoot(deleteEmptyObjects bool) common.Hash {
|
||||
if prefetcher != nil {
|
||||
prefetcher.used(common.Hash{}, s.originalRoot, usedAddrs)
|
||||
}
|
||||
if len(s.stateObjectsPending) > 0 {
|
||||
s.stateObjectsPending = make(map[common.Address]struct{})
|
||||
}
|
||||
// Track the amount of time wasted on hashing the account trie
|
||||
defer func(start time.Time) { s.AccountHashes += time.Since(start) }(time.Now())
|
||||
|
||||
@ -1176,11 +1151,12 @@ func (s *StateDB) Commit(block uint64, deleteEmptyObjects bool) (common.Hash, er
|
||||
return common.Hash{}, err
|
||||
}
|
||||
// Handle all state updates afterwards
|
||||
for addr := range s.stateObjectsDirty {
|
||||
obj := s.stateObjects[addr]
|
||||
if obj.deleted {
|
||||
for addr, op := range s.mutations {
|
||||
if op.isDelete() {
|
||||
continue
|
||||
}
|
||||
obj := s.stateObjects[addr]
|
||||
|
||||
// Write any contract code associated with the state object
|
||||
if obj.code != nil && obj.dirtyCode {
|
||||
rawdb.WriteCode(codeWriter, common.BytesToHash(obj.CodeHash()), obj.code)
|
||||
@ -1280,7 +1256,7 @@ func (s *StateDB) Commit(block uint64, deleteEmptyObjects bool) (common.Hash, er
|
||||
s.storages = make(map[common.Hash]map[common.Hash][]byte)
|
||||
s.accountsOrigin = make(map[common.Address][]byte)
|
||||
s.storagesOrigin = make(map[common.Address]map[common.Hash][]byte)
|
||||
s.stateObjectsDirty = make(map[common.Address]struct{})
|
||||
s.mutations = make(map[common.Address]*mutation)
|
||||
s.stateObjectsDestruct = make(map[common.Address]*types.StateAccount)
|
||||
return root, nil
|
||||
}
|
||||
@ -1395,3 +1371,19 @@ func copy2DSet[k comparable](set map[k]map[common.Hash][]byte) map[k]map[common.
|
||||
}
|
||||
return copied
|
||||
}
|
||||
|
||||
func (s *StateDB) markDelete(addr common.Address) {
|
||||
if _, ok := s.mutations[addr]; !ok {
|
||||
s.mutations[addr] = &mutation{}
|
||||
}
|
||||
s.mutations[addr].applied = false
|
||||
s.mutations[addr].typ = deletion
|
||||
}
|
||||
|
||||
func (s *StateDB) markUpdate(addr common.Address) {
|
||||
if _, ok := s.mutations[addr]; !ok {
|
||||
s.mutations[addr] = &mutation{}
|
||||
}
|
||||
s.mutations[addr].applied = false
|
||||
s.mutations[addr].typ = update
|
||||
}
|
||||
|
||||
@ -96,7 +96,9 @@ func newStateTestAction(addr common.Address, r *rand.Rand, index int) testAction
|
||||
{
|
||||
name: "CreateAccount",
|
||||
fn: func(a testAction, s *StateDB) {
|
||||
if !s.Exist(addr) {
|
||||
s.CreateAccount(addr)
|
||||
}
|
||||
},
|
||||
},
|
||||
{
|
||||
|
||||
@ -225,6 +225,78 @@ func TestCopy(t *testing.T) {
|
||||
}
|
||||
}
|
||||
|
||||
// TestCopyWithDirtyJournal tests if Copy can correct create a equal copied
|
||||
// stateDB with dirty journal present.
|
||||
func TestCopyWithDirtyJournal(t *testing.T) {
|
||||
db := NewDatabase(rawdb.NewMemoryDatabase())
|
||||
orig, _ := New(types.EmptyRootHash, db, nil)
|
||||
|
||||
// Fill up the initial states
|
||||
for i := byte(0); i < 255; i++ {
|
||||
obj := orig.getOrNewStateObject(common.BytesToAddress([]byte{i}))
|
||||
obj.AddBalance(uint256.NewInt(uint64(i)), tracing.BalanceChangeUnspecified)
|
||||
obj.data.Root = common.HexToHash("0xdeadbeef")
|
||||
orig.updateStateObject(obj)
|
||||
}
|
||||
root, _ := orig.Commit(0, true)
|
||||
orig, _ = New(root, db, nil)
|
||||
|
||||
// modify all in memory without finalizing
|
||||
for i := byte(0); i < 255; i++ {
|
||||
obj := orig.getOrNewStateObject(common.BytesToAddress([]byte{i}))
|
||||
obj.SubBalance(uint256.NewInt(uint64(i)), tracing.BalanceChangeUnspecified)
|
||||
orig.updateStateObject(obj)
|
||||
}
|
||||
cpy := orig.Copy()
|
||||
|
||||
orig.Finalise(true)
|
||||
for i := byte(0); i < 255; i++ {
|
||||
root := orig.GetStorageRoot(common.BytesToAddress([]byte{i}))
|
||||
if root != (common.Hash{}) {
|
||||
t.Errorf("Unexpected storage root %x", root)
|
||||
}
|
||||
}
|
||||
cpy.Finalise(true)
|
||||
for i := byte(0); i < 255; i++ {
|
||||
root := cpy.GetStorageRoot(common.BytesToAddress([]byte{i}))
|
||||
if root != (common.Hash{}) {
|
||||
t.Errorf("Unexpected storage root %x", root)
|
||||
}
|
||||
}
|
||||
if cpy.IntermediateRoot(true) != orig.IntermediateRoot(true) {
|
||||
t.Error("State is not equal after copy")
|
||||
}
|
||||
}
|
||||
|
||||
// TestCopyObjectState creates an original state, S1, and makes a copy S2.
|
||||
// It then proceeds to make changes to S1. Those changes are _not_ supposed
|
||||
// to affect S2. This test checks that the copy properly deep-copies the objectstate
|
||||
func TestCopyObjectState(t *testing.T) {
|
||||
db := NewDatabase(rawdb.NewMemoryDatabase())
|
||||
orig, _ := New(types.EmptyRootHash, db, nil)
|
||||
|
||||
// Fill up the initial states
|
||||
for i := byte(0); i < 5; i++ {
|
||||
obj := orig.getOrNewStateObject(common.BytesToAddress([]byte{i}))
|
||||
obj.AddBalance(uint256.NewInt(uint64(i)), tracing.BalanceChangeUnspecified)
|
||||
obj.data.Root = common.HexToHash("0xdeadbeef")
|
||||
orig.updateStateObject(obj)
|
||||
}
|
||||
orig.Finalise(true)
|
||||
cpy := orig.Copy()
|
||||
for _, op := range cpy.mutations {
|
||||
if have, want := op.applied, false; have != want {
|
||||
t.Fatalf("Error in test itself, the 'done' flag should not be set before Commit, have %v want %v", have, want)
|
||||
}
|
||||
}
|
||||
orig.Commit(0, true)
|
||||
for _, op := range cpy.mutations {
|
||||
if have, want := op.applied, false; have != want {
|
||||
t.Fatalf("Error: original state affected copy, have %v want %v", have, want)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestSnapshotRandom(t *testing.T) {
|
||||
config := &quick.Config{MaxCount: 1000}
|
||||
err := quick.Check((*snapshotTest).run, config)
|
||||
@ -308,7 +380,30 @@ func newTestAction(addr common.Address, r *rand.Rand) testAction {
|
||||
{
|
||||
name: "CreateAccount",
|
||||
fn: func(a testAction, s *StateDB) {
|
||||
if !s.Exist(addr) {
|
||||
s.CreateAccount(addr)
|
||||
}
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "CreateContract",
|
||||
fn: func(a testAction, s *StateDB) {
|
||||
if !s.Exist(addr) {
|
||||
s.CreateAccount(addr)
|
||||
}
|
||||
contractHash := s.GetCodeHash(addr)
|
||||
emptyCode := contractHash == (common.Hash{}) || contractHash == types.EmptyCodeHash
|
||||
storageRoot := s.GetStorageRoot(addr)
|
||||
emptyStorage := storageRoot == (common.Hash{}) || storageRoot == types.EmptyRootHash
|
||||
if s.GetNonce(addr) == 0 && emptyCode && emptyStorage {
|
||||
s.CreateContract(addr)
|
||||
// We also set some code here, to prevent the
|
||||
// CreateContract action from being performed twice in a row,
|
||||
// which would cause a difference in state when unrolling
|
||||
// the journal. (CreateContact assumes created was false prior to
|
||||
// invocation, and the journal rollback sets it to false).
|
||||
s.SetCode(addr, []byte{1})
|
||||
}
|
||||
},
|
||||
},
|
||||
{
|
||||
@ -709,18 +804,19 @@ func TestCopyCopyCommitCopy(t *testing.T) {
|
||||
}
|
||||
}
|
||||
|
||||
// TestCommitCopy tests the copy from a committed state is not functional.
|
||||
// TestCommitCopy tests the copy from a committed state is not fully functional.
|
||||
func TestCommitCopy(t *testing.T) {
|
||||
state, _ := New(types.EmptyRootHash, NewDatabase(rawdb.NewMemoryDatabase()), nil)
|
||||
db := NewDatabase(rawdb.NewMemoryDatabase())
|
||||
state, _ := New(types.EmptyRootHash, db, nil)
|
||||
|
||||
// Create an account and check if the retrieved balance is correct
|
||||
addr := common.HexToAddress("0xaffeaffeaffeaffeaffeaffeaffeaffeaffeaffe")
|
||||
skey := common.HexToHash("aaa")
|
||||
sval := common.HexToHash("bbb")
|
||||
skey1, skey2 := common.HexToHash("a1"), common.HexToHash("a2")
|
||||
sval1, sval2 := common.HexToHash("b1"), common.HexToHash("b2")
|
||||
|
||||
state.SetBalance(addr, uint256.NewInt(42), tracing.BalanceChangeUnspecified) // Change the account trie
|
||||
state.SetCode(addr, []byte("hello")) // Change an external metadata
|
||||
state.SetState(addr, skey, sval) // Change the storage trie
|
||||
state.SetState(addr, skey1, sval1) // Change the storage trie
|
||||
|
||||
if balance := state.GetBalance(addr); balance.Cmp(uint256.NewInt(42)) != 0 {
|
||||
t.Fatalf("initial balance mismatch: have %v, want %v", balance, 42)
|
||||
@ -728,25 +824,38 @@ func TestCommitCopy(t *testing.T) {
|
||||
if code := state.GetCode(addr); !bytes.Equal(code, []byte("hello")) {
|
||||
t.Fatalf("initial code mismatch: have %x, want %x", code, []byte("hello"))
|
||||
}
|
||||
if val := state.GetState(addr, skey); val != sval {
|
||||
t.Fatalf("initial non-committed storage slot mismatch: have %x, want %x", val, sval)
|
||||
if val := state.GetState(addr, skey1); val != sval1 {
|
||||
t.Fatalf("initial non-committed storage slot mismatch: have %x, want %x", val, sval1)
|
||||
}
|
||||
if val := state.GetCommittedState(addr, skey); val != (common.Hash{}) {
|
||||
if val := state.GetCommittedState(addr, skey1); val != (common.Hash{}) {
|
||||
t.Fatalf("initial committed storage slot mismatch: have %x, want %x", val, common.Hash{})
|
||||
}
|
||||
// Copy the committed state database, the copied one is not functional.
|
||||
state.Commit(0, true)
|
||||
root, _ := state.Commit(0, true)
|
||||
|
||||
state, _ = New(root, db, nil)
|
||||
state.SetState(addr, skey2, sval2)
|
||||
state.Commit(1, true)
|
||||
|
||||
// Copy the committed state database, the copied one is not fully functional.
|
||||
copied := state.Copy()
|
||||
if balance := copied.GetBalance(addr); balance.Cmp(uint256.NewInt(0)) != 0 {
|
||||
if balance := copied.GetBalance(addr); balance.Cmp(uint256.NewInt(42)) != 0 {
|
||||
t.Fatalf("unexpected balance: have %v", balance)
|
||||
}
|
||||
if code := copied.GetCode(addr); code != nil {
|
||||
if code := copied.GetCode(addr); !bytes.Equal(code, []byte("hello")) {
|
||||
t.Fatalf("unexpected code: have %x", code)
|
||||
}
|
||||
if val := copied.GetState(addr, skey); val != (common.Hash{}) {
|
||||
// Miss slots because of non-functional trie after commit
|
||||
if val := copied.GetState(addr, skey1); val != (common.Hash{}) {
|
||||
t.Fatalf("unexpected storage slot: have %x", sval1)
|
||||
}
|
||||
if val := copied.GetCommittedState(addr, skey1); val != (common.Hash{}) {
|
||||
t.Fatalf("unexpected storage slot: have %x", val)
|
||||
}
|
||||
if val := copied.GetCommittedState(addr, skey); val != (common.Hash{}) {
|
||||
// Slots cached in the stateDB, available after commit
|
||||
if val := copied.GetState(addr, skey2); val != sval2 {
|
||||
t.Fatalf("unexpected storage slot: have %x", sval1)
|
||||
}
|
||||
if val := copied.GetCommittedState(addr, skey2); val != sval2 {
|
||||
t.Fatalf("unexpected storage slot: have %x", val)
|
||||
}
|
||||
if !errors.Is(copied.Error(), trie.ErrCommitted) {
|
||||
@ -1103,40 +1212,6 @@ func TestStateDBTransientStorage(t *testing.T) {
|
||||
}
|
||||
}
|
||||
|
||||
func TestResetObject(t *testing.T) {
|
||||
var (
|
||||
disk = rawdb.NewMemoryDatabase()
|
||||
tdb = triedb.NewDatabase(disk, nil)
|
||||
db = NewDatabaseWithNodeDB(disk, tdb)
|
||||
snaps, _ = snapshot.New(snapshot.Config{CacheSize: 10}, disk, tdb, types.EmptyRootHash)
|
||||
state, _ = New(types.EmptyRootHash, db, snaps)
|
||||
addr = common.HexToAddress("0x1")
|
||||
slotA = common.HexToHash("0x1")
|
||||
slotB = common.HexToHash("0x2")
|
||||
)
|
||||
// Initialize account with balance and storage in first transaction.
|
||||
state.SetBalance(addr, uint256.NewInt(1), tracing.BalanceChangeUnspecified)
|
||||
state.SetState(addr, slotA, common.BytesToHash([]byte{0x1}))
|
||||
state.IntermediateRoot(true)
|
||||
|
||||
// Reset account and mutate balance and storages
|
||||
state.CreateAccount(addr)
|
||||
state.SetBalance(addr, uint256.NewInt(2), tracing.BalanceChangeUnspecified)
|
||||
state.SetState(addr, slotB, common.BytesToHash([]byte{0x2}))
|
||||
root, _ := state.Commit(0, true)
|
||||
|
||||
// Ensure the original account is wiped properly
|
||||
snap := snaps.Snapshot(root)
|
||||
slot, _ := snap.Storage(crypto.Keccak256Hash(addr.Bytes()), crypto.Keccak256Hash(slotA.Bytes()))
|
||||
if len(slot) != 0 {
|
||||
t.Fatalf("Unexpected storage slot")
|
||||
}
|
||||
slot, _ = snap.Storage(crypto.Keccak256Hash(addr.Bytes()), crypto.Keccak256Hash(slotB.Bytes()))
|
||||
if !bytes.Equal(slot, []byte{0x2}) {
|
||||
t.Fatalf("Unexpected storage slot value %v", slot)
|
||||
}
|
||||
}
|
||||
|
||||
func TestDeleteStorage(t *testing.T) {
|
||||
var (
|
||||
disk = rawdb.NewMemoryDatabase()
|
||||
|
||||
@ -436,14 +436,15 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
|
||||
return nil, common.Address{}, gas, ErrNonceUintOverflow
|
||||
}
|
||||
evm.StateDB.SetNonce(caller.Address(), nonce+1)
|
||||
// We add this to the access list _before_ taking a snapshot. Even if the creation fails,
|
||||
// the access-list change should not be rolled back
|
||||
|
||||
// We add this to the access list _before_ taking a snapshot. Even if the
|
||||
// creation fails, the access-list change should not be rolled back.
|
||||
if evm.chainRules.IsBerlin {
|
||||
evm.StateDB.AddAddressToAccessList(address)
|
||||
}
|
||||
// Ensure there's no existing contract already at the designated address.
|
||||
// Account is regarded as existent if any of these three conditions is met:
|
||||
// - the nonce is nonzero
|
||||
// - the nonce is non-zero
|
||||
// - the code is non-empty
|
||||
// - the storage is non-empty
|
||||
contractHash := evm.StateDB.GetCodeHash(address)
|
||||
@ -456,9 +457,19 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
|
||||
}
|
||||
return nil, common.Address{}, 0, ErrContractAddressCollision
|
||||
}
|
||||
// Create a new account on the state
|
||||
// Create a new account on the state only if the object was not present.
|
||||
// It might be possible the contract code is deployed to a pre-existent
|
||||
// account with non-zero balance.
|
||||
snapshot := evm.StateDB.Snapshot()
|
||||
if !evm.StateDB.Exist(address) {
|
||||
evm.StateDB.CreateAccount(address)
|
||||
}
|
||||
// CreateContract means that regardless of whether the account previously existed
|
||||
// in the state trie or not, it _now_ becomes created as a _contract_ account.
|
||||
// This is performed _prior_ to executing the initcode, since the initcode
|
||||
// acts inside that account.
|
||||
evm.StateDB.CreateContract(address)
|
||||
|
||||
if evm.chainRules.IsEIP158 {
|
||||
evm.StateDB.SetNonce(address, 1)
|
||||
}
|
||||
|
||||
@ -29,6 +29,7 @@ import (
|
||||
// StateDB is an EVM database for full state querying.
|
||||
type StateDB interface {
|
||||
CreateAccount(common.Address)
|
||||
CreateContract(common.Address)
|
||||
|
||||
SubBalance(common.Address, *uint256.Int, tracing.BalanceChangeReason)
|
||||
AddBalance(common.Address, *uint256.Int, tracing.BalanceChangeReason)
|
||||
|
||||
@ -64,14 +64,6 @@ func TestExecutionSpecBlocktests(t *testing.T) {
|
||||
}
|
||||
bt := new(testMatcher)
|
||||
|
||||
// These tests fail as of https://github.com/ethereum/go-ethereum/pull/28666, since we
|
||||
// no longer delete "leftover storage" when deploying a contract.
|
||||
bt.skipLoad(`^cancun/eip6780_selfdestruct/selfdestruct/self_destructing_initcode_create_tx.json`)
|
||||
bt.skipLoad(`^cancun/eip6780_selfdestruct/selfdestruct/self_destructing_initcode.json`)
|
||||
bt.skipLoad(`^cancun/eip6780_selfdestruct/selfdestruct/recreate_self_destructed_contract_different_txs.json`)
|
||||
bt.skipLoad(`^cancun/eip6780_selfdestruct/selfdestruct/delegatecall_from_new_contract_to_pre_existing_contract.json`)
|
||||
bt.skipLoad(`^cancun/eip6780_selfdestruct/selfdestruct/create_selfdestruct_same_tx.json`)
|
||||
|
||||
bt.walk(t, executionSpecBlockchainTestDir, func(t *testing.T, name string, test *BlockTest) {
|
||||
execBlockTest(t, bt, test)
|
||||
})
|
||||
|
||||
Loading…
Reference in New Issue
Block a user