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core/rawdb: add HasCode, HashTrieNode and use them where possible (#24454)

This commit is contained in:
Ceyhun Onur 2022-03-09 02:39:34 +03:00 committed by GitHub
parent ec64358ac9
commit 8401e4277a
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 50 additions and 41 deletions
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13
cmd/geth/snapshot.go
View File

@ -314,8 +314,7 @@ func traverseState(ctx *cli.Context) error {
}
}
if !bytes.Equal(acc.CodeHash, emptyCode) {
code := rawdb.ReadCode(chaindb, common.BytesToHash(acc.CodeHash))
if len(code) == 0 {
if !rawdb.HasCode(chaindb, common.BytesToHash(acc.CodeHash)) {
log.Error("Code is missing", "hash", common.BytesToHash(acc.CodeHash))
return errors.New("missing code")
}
@ -386,11 +385,10 @@ func traverseRawState(ctx *cli.Context) error {
nodes += 1
node := accIter.Hash()
// Check the present for non-empty hash node(embedded node doesn't
// have their own hash).
if node != (common.Hash{}) {
// Check the present for non-empty hash node(embedded node doesn't
// have their own hash).
blob := rawdb.ReadTrieNode(chaindb, node)
if len(blob) == 0 {
if !rawdb.HasTrieNode(chaindb, node) {
log.Error("Missing trie node(account)", "hash", node)
return errors.New("missing account")
}
@ -434,8 +432,7 @@ func traverseRawState(ctx *cli.Context) error {
}
}
if !bytes.Equal(acc.CodeHash, emptyCode) {
code := rawdb.ReadCode(chaindb, common.BytesToHash(acc.CodeHash))
if len(code) == 0 {
if !rawdb.HasCode(chaindb, common.BytesToHash(acc.CodeHash)) {
log.Error("Code is missing", "account", common.BytesToHash(accIter.LeafKey()))
return errors.New("missing code")
}

74
core/rawdb/accessors_state.go
View File

@ -28,17 +28,6 @@ func ReadPreimage(db ethdb.KeyValueReader, hash common.Hash) []byte {
return data
}
// WritePreimages writes the provided set of preimages to the database.
func WritePreimages(db ethdb.KeyValueWriter, preimages map[common.Hash][]byte) {
for hash, preimage := range preimages {
if err := db.Put(preimageKey(hash), preimage); err != nil {
log.Crit("Failed to store trie preimage", "err", err)
}
}
preimageCounter.Inc(int64(len(preimages)))
preimageHitCounter.Inc(int64(len(preimages)))
}
// ReadCode retrieves the contract code of the provided code hash.
func ReadCode(db ethdb.KeyValueReader, hash common.Hash) []byte {
// Try with the prefixed code scheme first, if not then try with legacy
@ -47,7 +36,7 @@ func ReadCode(db ethdb.KeyValueReader, hash common.Hash) []byte {
if len(data) != 0 {
return data
}
data, _ = db.Get(hash[:])
data, _ = db.Get(hash.Bytes())
return data
}
@ -59,6 +48,24 @@ func ReadCodeWithPrefix(db ethdb.KeyValueReader, hash common.Hash) []byte {
return data
}
// ReadTrieNode retrieves the trie node of the provided hash.
func ReadTrieNode(db ethdb.KeyValueReader, hash common.Hash) []byte {
data, _ := db.Get(hash.Bytes())
return data
}
// HasCode checks if the contract code corresponding to the
// provided code hash is present in the db.
func HasCode(db ethdb.KeyValueReader, hash common.Hash) bool {
// Try with the prefixed code scheme first, if not then try with legacy
// scheme.
if ok := HasCodeWithPrefix(db, hash); ok {
return true
}
ok, _ := db.Has(hash.Bytes())
return ok
}
// HasCodeWithPrefix checks if the contract code corresponding to the
// provided code hash is present in the db. This function will only check
// presence using the prefix-scheme.
@ -67,6 +74,23 @@ func HasCodeWithPrefix(db ethdb.KeyValueReader, hash common.Hash) bool {
return ok
}
// HasTrieNode checks if the trie node with the provided hash is present in db.
func HasTrieNode(db ethdb.KeyValueReader, hash common.Hash) bool {
ok, _ := db.Has(hash.Bytes())
return ok
}
// WritePreimages writes the provided set of preimages to the database.
func WritePreimages(db ethdb.KeyValueWriter, preimages map[common.Hash][]byte) {
for hash, preimage := range preimages {
if err := db.Put(preimageKey(hash), preimage); err != nil {
log.Crit("Failed to store trie preimage", "err", err)
}
}
preimageCounter.Inc(int64(len(preimages)))
preimageHitCounter.Inc(int64(len(preimages)))
}
// WriteCode writes the provided contract code database.
func WriteCode(db ethdb.KeyValueWriter, hash common.Hash, code []byte) {
if err := db.Put(codeKey(hash), code); err != nil {
@ -74,6 +98,13 @@ func WriteCode(db ethdb.KeyValueWriter, hash common.Hash, code []byte) {
}
}
// WriteTrieNode writes the provided trie node database.
func WriteTrieNode(db ethdb.KeyValueWriter, hash common.Hash, node []byte) {
if err := db.Put(hash.Bytes(), node); err != nil {
log.Crit("Failed to store trie node", "err", err)
}
}
// DeleteCode deletes the specified contract code from the database.
func DeleteCode(db ethdb.KeyValueWriter, hash common.Hash) {
if err := db.Delete(codeKey(hash)); err != nil {
@ -81,25 +112,6 @@ func DeleteCode(db ethdb.KeyValueWriter, hash common.Hash) {
}
}
// ReadTrieNode retrieves the trie node of the provided hash.
func ReadTrieNode(db ethdb.KeyValueReader, hash common.Hash) []byte {
data, _ := db.Get(hash.Bytes())
return data
}
// HasTrieNode checks if the trie node with the provided hash is present in db.
func HasTrieNode(db ethdb.KeyValueReader, hash common.Hash) bool {
ok, _ := db.Has(hash.Bytes())
return ok
}
// WriteTrieNode writes the provided trie node database.
func WriteTrieNode(db ethdb.KeyValueWriter, hash common.Hash, node []byte) {
if err := db.Put(hash.Bytes(), node); err != nil {
log.Crit("Failed to store trie node", "err", err)
}
}
// DeleteTrieNode deletes the specified trie node from the database.
func DeleteTrieNode(db ethdb.KeyValueWriter, hash common.Hash) {
if err := db.Delete(hash.Bytes()); err != nil {

4
core/state/pruner/pruner.go
View File

@ -265,7 +265,7 @@ func (p *Pruner) Prune(root common.Hash) error {
// Ensure the root is really present. The weak assumption
// is the presence of root can indicate the presence of the
// entire trie.
if blob := rawdb.ReadTrieNode(p.db, root); len(blob) == 0 {
if !rawdb.HasTrieNode(p.db, root) {
// The special case is for clique based networks(rinkeby, goerli
// and some other private networks), it's possible that two
// consecutive blocks will have same root. In this case snapshot
@ -279,7 +279,7 @@ func (p *Pruner) Prune(root common.Hash) error {
// as the pruning target.
var found bool
for i := len(layers) - 2; i >= 2; i-- {
if blob := rawdb.ReadTrieNode(p.db, layers[i].Root()); len(blob) != 0 {
if rawdb.HasTrieNode(p.db, layers[i].Root()) {
root = layers[i].Root()
found = true
log.Info("Selecting middle-layer as the pruning target", "root", root, "depth", i)