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@ -24,7 +24,6 @@ import ( |
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"github.com/ethereum/go-ethereum/crypto" |
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"github.com/ethereum/go-ethereum/ethdb" |
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"github.com/ethereum/go-ethereum/log" |
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"golang.org/x/crypto/sha3" |
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) |
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// HashScheme is the legacy hash-based state scheme with which trie nodes are
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@ -50,7 +49,7 @@ const PathScheme = "path" |
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type hasher struct{ sha crypto.KeccakState } |
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var hasherPool = sync.Pool{ |
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New: func() interface{} { return &hasher{sha: sha3.NewLegacyKeccak256().(crypto.KeccakState)} }, |
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New: func() interface{} { return &hasher{sha: crypto.NewKeccakState()} }, |
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} |
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func newHasher() *hasher { |
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@ -65,33 +64,15 @@ func (h *hasher) release() { |
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hasherPool.Put(h) |
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} |
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// ReadAccountTrieNode retrieves the account trie node and the associated node
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// hash with the specified node path.
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func ReadAccountTrieNode(db ethdb.KeyValueReader, path []byte) ([]byte, common.Hash) { |
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data, err := db.Get(accountTrieNodeKey(path)) |
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if err != nil { |
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return nil, common.Hash{} |
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} |
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h := newHasher() |
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defer h.release() |
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return data, h.hash(data) |
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} |
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// HasAccountTrieNode checks the account trie node presence with the specified
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// node path and the associated node hash.
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func HasAccountTrieNode(db ethdb.KeyValueReader, path []byte, hash common.Hash) bool { |
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data, err := db.Get(accountTrieNodeKey(path)) |
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if err != nil { |
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return false |
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} |
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h := newHasher() |
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defer h.release() |
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return h.hash(data) == hash |
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// ReadAccountTrieNode retrieves the account trie node with the specified node path.
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func ReadAccountTrieNode(db ethdb.KeyValueReader, path []byte) []byte { |
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data, _ := db.Get(accountTrieNodeKey(path)) |
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return data |
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} |
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// ExistsAccountTrieNode checks the presence of the account trie node with the
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// HasAccountTrieNode checks the presence of the account trie node with the
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// specified node path, regardless of the node hash.
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func ExistsAccountTrieNode(db ethdb.KeyValueReader, path []byte) bool { |
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func HasAccountTrieNode(db ethdb.KeyValueReader, path []byte) bool { |
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has, err := db.Has(accountTrieNodeKey(path)) |
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if err != nil { |
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return false |
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@ -113,33 +94,15 @@ func DeleteAccountTrieNode(db ethdb.KeyValueWriter, path []byte) { |
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} |
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} |
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// ReadStorageTrieNode retrieves the storage trie node and the associated node
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// hash with the specified node path.
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func ReadStorageTrieNode(db ethdb.KeyValueReader, accountHash common.Hash, path []byte) ([]byte, common.Hash) { |
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data, err := db.Get(storageTrieNodeKey(accountHash, path)) |
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if err != nil { |
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return nil, common.Hash{} |
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} |
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h := newHasher() |
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defer h.release() |
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return data, h.hash(data) |
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} |
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// HasStorageTrieNode checks the storage trie node presence with the provided
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// node path and the associated node hash.
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func HasStorageTrieNode(db ethdb.KeyValueReader, accountHash common.Hash, path []byte, hash common.Hash) bool { |
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data, err := db.Get(storageTrieNodeKey(accountHash, path)) |
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if err != nil { |
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return false |
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} |
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h := newHasher() |
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defer h.release() |
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return h.hash(data) == hash |
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// ReadStorageTrieNode retrieves the storage trie node with the specified node path.
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func ReadStorageTrieNode(db ethdb.KeyValueReader, accountHash common.Hash, path []byte) []byte { |
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data, _ := db.Get(storageTrieNodeKey(accountHash, path)) |
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return data |
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} |
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// ExistsStorageTrieNode checks the presence of the storage trie node with the
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// HasStorageTrieNode checks the presence of the storage trie node with the
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// specified account hash and node path, regardless of the node hash.
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func ExistsStorageTrieNode(db ethdb.KeyValueReader, accountHash common.Hash, path []byte) bool { |
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func HasStorageTrieNode(db ethdb.KeyValueReader, accountHash common.Hash, path []byte) bool { |
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has, err := db.Has(storageTrieNodeKey(accountHash, path)) |
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if err != nil { |
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return false |
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@ -198,10 +161,18 @@ func HasTrieNode(db ethdb.KeyValueReader, owner common.Hash, path []byte, hash c |
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case HashScheme: |
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return HasLegacyTrieNode(db, hash) |
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case PathScheme: |
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var blob []byte |
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if owner == (common.Hash{}) { |
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return HasAccountTrieNode(db, path, hash) |
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blob = ReadAccountTrieNode(db, path) |
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} else { |
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blob = ReadStorageTrieNode(db, owner, path) |
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} |
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return HasStorageTrieNode(db, owner, path, hash) |
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if len(blob) == 0 { |
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return false |
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} |
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h := newHasher() |
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defer h.release() |
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return h.hash(blob) == hash // exists but not match
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default: |
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panic(fmt.Sprintf("Unknown scheme %v", scheme)) |
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} |
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@ -209,43 +180,35 @@ func HasTrieNode(db ethdb.KeyValueReader, owner common.Hash, path []byte, hash c |
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// ReadTrieNode retrieves the trie node from database with the provided node info
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// and associated node hash.
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// hashScheme-based lookup requires the following:
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// - hash
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//
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// pathScheme-based lookup requires the following:
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// - owner
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// - path
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func ReadTrieNode(db ethdb.KeyValueReader, owner common.Hash, path []byte, hash common.Hash, scheme string) []byte { |
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switch scheme { |
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case HashScheme: |
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return ReadLegacyTrieNode(db, hash) |
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case PathScheme: |
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var ( |
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blob []byte |
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nHash common.Hash |
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) |
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var blob []byte |
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if owner == (common.Hash{}) { |
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blob, nHash = ReadAccountTrieNode(db, path) |
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blob = ReadAccountTrieNode(db, path) |
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} else { |
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blob, nHash = ReadStorageTrieNode(db, owner, path) |
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blob = ReadStorageTrieNode(db, owner, path) |
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} |
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if nHash != hash { |
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if len(blob) == 0 { |
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return nil |
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} |
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h := newHasher() |
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defer h.release() |
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if h.hash(blob) != hash { |
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return nil // exists but not match
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} |
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return blob |
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default: |
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panic(fmt.Sprintf("Unknown scheme %v", scheme)) |
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} |
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} |
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// WriteTrieNode writes the trie node into database with the provided node info
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// and associated node hash.
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// hashScheme-based lookup requires the following:
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// - hash
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// WriteTrieNode writes the trie node into database with the provided node info.
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//
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// pathScheme-based lookup requires the following:
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// - owner
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// - path
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// hash-scheme requires the node hash as the identifier.
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// path-scheme requires the node owner and path as the identifier.
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func WriteTrieNode(db ethdb.KeyValueWriter, owner common.Hash, path []byte, hash common.Hash, node []byte, scheme string) { |
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switch scheme { |
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case HashScheme: |
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@ -261,14 +224,10 @@ func WriteTrieNode(db ethdb.KeyValueWriter, owner common.Hash, path []byte, hash |
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} |
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} |
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// DeleteTrieNode deletes the trie node from database with the provided node info
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// and associated node hash.
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// hashScheme-based lookup requires the following:
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// - hash
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// DeleteTrieNode deletes the trie node from database with the provided node info.
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//
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// pathScheme-based lookup requires the following:
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// - owner
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// - path
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// hash-scheme requires the node hash as the identifier.
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// path-scheme requires the node owner and path as the identifier.
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func DeleteTrieNode(db ethdb.KeyValueWriter, owner common.Hash, path []byte, hash common.Hash, scheme string) { |
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switch scheme { |
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case HashScheme: |
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@ -287,9 +246,8 @@ func DeleteTrieNode(db ethdb.KeyValueWriter, owner common.Hash, path []byte, has |
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// ReadStateScheme reads the state scheme of persistent state, or none
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// if the state is not present in database.
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func ReadStateScheme(db ethdb.Reader) string { |
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// Check if state in path-based scheme is present
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blob, _ := ReadAccountTrieNode(db, nil) |
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if len(blob) != 0 { |
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// Check if state in path-based scheme is present.
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if HasAccountTrieNode(db, nil) { |
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return PathScheme |
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} |
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// The root node might be deleted during the initial snap sync, check
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@ -304,8 +262,7 @@ func ReadStateScheme(db ethdb.Reader) string { |
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if header == nil { |
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return "" // empty datadir
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} |
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blob = ReadLegacyTrieNode(db, header.Root) |
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if len(blob) == 0 { |
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if !HasLegacyTrieNode(db, header.Root) { |
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return "" // no state in disk
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} |
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return HashScheme |
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rjl493456442
7 months ago
committed by
GitHub