core/rawdb: wrap db key creations (#16914)

* core/rawdb: use wrappered helper to assemble key

* core/rawdb: wrappered helper to assemble key

* core/rawdb: rewrite the wrapper, pass common.Hash
This commit is contained in:
Wenbiao Zheng
2018-06-11 21:06:26 +08:00
committed by Péter Szilágyi
parent 43b940ec5a
commit aab7ab04b0
4 changed files with 85 additions and 48 deletions

View File

@ -77,3 +77,58 @@ func encodeBlockNumber(number uint64) []byte {
binary.BigEndian.PutUint64(enc, number)
return enc
}
// headerKey = headerPrefix + num (uint64 big endian) + hash
func headerKey(number uint64, hash common.Hash) []byte {
return append(append(headerPrefix, encodeBlockNumber(number)...), hash.Bytes()...)
}
// headerTDKey = headerPrefix + num (uint64 big endian) + hash + headerTDSuffix
func headerTDKey(number uint64, hash common.Hash) []byte {
return append(headerKey(number, hash), headerTDSuffix...)
}
// headerHashKey = headerPrefix + num (uint64 big endian) + headerHashSuffix
func headerHashKey(number uint64) []byte {
return append(append(headerPrefix, encodeBlockNumber(number)...), headerHashSuffix...)
}
// headerNumberKey = headerNumberPrefix + hash
func headerNumberKey(hash common.Hash) []byte {
return append(headerNumberPrefix, hash.Bytes()...)
}
// blockBodyKey = blockBodyPrefix + num (uint64 big endian) + hash
func blockBodyKey(number uint64, hash common.Hash) []byte {
return append(append(blockBodyPrefix, encodeBlockNumber(number)...), hash.Bytes()...)
}
// blockReceiptsKey = blockReceiptsPrefix + num (uint64 big endian) + hash
func blockReceiptsKey(number uint64, hash common.Hash) []byte {
return append(append(blockReceiptsPrefix, encodeBlockNumber(number)...), hash.Bytes()...)
}
// txLookupKey = txLookupPrefix + hash
func txLookupKey(hash common.Hash) []byte {
return append(txLookupPrefix, hash.Bytes()...)
}
// bloomBitsKey = bloomBitsPrefix + bit (uint16 big endian) + section (uint64 big endian) + hash
func bloomBitsKey(bit uint, section uint64, hash common.Hash) []byte {
key := append(append(bloomBitsPrefix, make([]byte, 10)...), hash.Bytes()...)
binary.BigEndian.PutUint16(key[1:], uint16(bit))
binary.BigEndian.PutUint64(key[3:], section)
return key
}
// preimageKey = preimagePrefix + hash
func preimageKey(hash common.Hash) []byte {
return append(preimagePrefix, hash.Bytes()...)
}
// configKey = configPrefix + hash
func configKey(hash common.Hash) []byte {
return append(configPrefix, hash.Bytes()...)
}