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core/rawdb: refactor to use prealloc and copy

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This commit is contained in:
cuiweixie 2025-08-19 18:14:53 +08:00
parent d93f820358
commit 096a8ecbc6
1 changed files with 47 additions and 4 deletions
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51
core/rawdb/schema.go
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@ -185,12 +185,33 @@ func headerKeyPrefix(number uint64) []byte {
// headerKey = headerPrefix + num (uint64 big endian) + hash // headerKey = headerPrefix + num (uint64 big endian) + hash
func headerKey(number uint64, hash common.Hash) []byte { func headerKey(number uint64, hash common.Hash) []byte {
return append(append(headerPrefix, encodeBlockNumber(number)...), hash.Bytes()...) numEnc := encodeBlockNumber(number)
hashBytes := hash.Bytes()
totalLen := len(headerPrefix) + len(numEnc) + len(hashBytes)
b := make([]byte, totalLen)
off := 0
off += copy(b[off:], headerPrefix)
off += copy(b[off:], numEnc)
copy(b[off:], hashBytes)
return b
} }
// headerHashKey = headerPrefix + num (uint64 big endian) + headerHashSuffix // headerHashKey = headerPrefix + num (uint64 big endian) + headerHashSuffix
func headerHashKey(number uint64) []byte { func headerHashKey(number uint64) []byte {
return append(append(headerPrefix, encodeBlockNumber(number)...), headerHashSuffix...) numEnc := encodeBlockNumber(number)
totalLen := len(headerPrefix) + len(numEnc) + len(headerHashSuffix)
b := make([]byte, totalLen)
off := 0
off += copy(b[off:], headerPrefix)
off += copy(b[off:], numEnc)
copy(b[off:], headerHashSuffix)
return b
} }
// headerNumberKey = headerNumberPrefix + hash // headerNumberKey = headerNumberPrefix + hash
@ -200,12 +221,34 @@ func headerNumberKey(hash common.Hash) []byte {
// blockBodyKey = blockBodyPrefix + num (uint64 big endian) + hash // blockBodyKey = blockBodyPrefix + num (uint64 big endian) + hash
func blockBodyKey(number uint64, hash common.Hash) []byte { func blockBodyKey(number uint64, hash common.Hash) []byte {
return append(append(blockBodyPrefix, encodeBlockNumber(number)...), hash.Bytes()...) numEnc := encodeBlockNumber(number)
hashBytes := hash.Bytes()
totalLen := len(blockBodyPrefix) + len(numEnc) + len(hashBytes)
b := make([]byte, totalLen)
off := 0
off += copy(b[off:], blockBodyPrefix)
off += copy(b[off:], numEnc)
copy(b[off:], hashBytes)
return b
} }
// blockReceiptsKey = blockReceiptsPrefix + num (uint64 big endian) + hash // blockReceiptsKey = blockReceiptsPrefix + num (uint64 big endian) + hash
func blockReceiptsKey(number uint64, hash common.Hash) []byte { func blockReceiptsKey(number uint64, hash common.Hash) []byte {
return append(append(blockReceiptsPrefix, encodeBlockNumber(number)...), hash.Bytes()...) numEnc := encodeBlockNumber(number)
hashBytes := hash.Bytes()
totalLen := len(blockReceiptsPrefix) + len(numEnc) + len(hashBytes)
b := make([]byte, totalLen)
off := 0
off += copy(b[off:], blockReceiptsPrefix)
off += copy(b[off:], numEnc)
copy(b[off:], hashBytes)
return b
} }
// txLookupKey = txLookupPrefix + hash // txLookupKey = txLookupPrefix + hash