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core/rawdb: optimize database key construction #33314

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28 changes: 24 additions & 4 deletions core/rawdb/schema.go
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Original file line number Diff line number Diff line change
Expand Up @@ -191,12 +191,22 @@ func headerKeyPrefix(number uint64) []byte {

// headerKey = headerPrefix + num (uint64 big endian) + hash
func headerKey(number uint64, hash common.Hash) []byte {
return append(append(headerPrefix, encodeBlockNumber(number)...), hash.Bytes()...)
key := make([]byte, len(headerPrefix)+8+common.HashLength)
off := copy(key, headerPrefix)
binary.BigEndian.PutUint64(key[off:], number)
off += 8
copy(key[off:], hash.Bytes())
return key
}

// headerHashKey = headerPrefix + num (uint64 big endian) + headerHashSuffix
func headerHashKey(number uint64) []byte {
return append(append(headerPrefix, encodeBlockNumber(number)...), headerHashSuffix...)
key := make([]byte, len(headerPrefix)+8+len(headerHashSuffix))
off := copy(key, headerPrefix)
binary.BigEndian.PutUint64(key[off:], number)
off += 8
copy(key[off:], headerHashSuffix)
return key
}

// headerNumberKey = headerNumberPrefix + hash
Expand All @@ -206,12 +216,22 @@ func headerNumberKey(hash common.Hash) []byte {

// blockBodyKey = blockBodyPrefix + num (uint64 big endian) + hash
func blockBodyKey(number uint64, hash common.Hash) []byte {
return append(append(blockBodyPrefix, encodeBlockNumber(number)...), hash.Bytes()...)
key := make([]byte, len(blockBodyPrefix)+8+common.HashLength)
off := copy(key, blockBodyPrefix)
binary.BigEndian.PutUint64(key[off:], number)
off += 8
copy(key[off:], hash.Bytes())
return key
}

// blockReceiptsKey = blockReceiptsPrefix + num (uint64 big endian) + hash
func blockReceiptsKey(number uint64, hash common.Hash) []byte {
return append(append(blockReceiptsPrefix, encodeBlockNumber(number)...), hash.Bytes()...)
key := make([]byte, len(blockReceiptsPrefix)+8+common.HashLength)
off := copy(key, blockReceiptsPrefix)
binary.BigEndian.PutUint64(key[off:], number)
off += 8
copy(key[off:], hash.Bytes())
return key
}

// txLookupKey = txLookupPrefix + hash
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