forked from cerc-io/plugeth
59e1953246
This PR is a more advanced form of the dirty-to-clean cacher (#18995), where we reuse previous database write batches as datasets to uncache, saving a dirty-trie-iteration and a dirty-trie-rlp-reencoding per block.
120 lines
4.5 KiB
Go
120 lines
4.5 KiB
Go
// Copyright 2018 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package rawdb
|
|
|
|
import (
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/ethereum/go-ethereum/ethdb"
|
|
"github.com/ethereum/go-ethereum/log"
|
|
"github.com/ethereum/go-ethereum/rlp"
|
|
)
|
|
|
|
// ReadTxLookupEntry retrieves the positional metadata associated with a transaction
|
|
// hash to allow retrieving the transaction or receipt by hash.
|
|
func ReadTxLookupEntry(db ethdb.Reader, hash common.Hash) common.Hash {
|
|
data, _ := db.Get(txLookupKey(hash))
|
|
if len(data) == 0 {
|
|
return common.Hash{}
|
|
}
|
|
if len(data) == common.HashLength {
|
|
return common.BytesToHash(data)
|
|
}
|
|
// Probably it's legacy txlookup entry data, try to decode it.
|
|
var entry LegacyTxLookupEntry
|
|
if err := rlp.DecodeBytes(data, &entry); err != nil {
|
|
log.Error("Invalid transaction lookup entry RLP", "hash", hash, "blob", data, "err", err)
|
|
return common.Hash{}
|
|
}
|
|
return entry.BlockHash
|
|
}
|
|
|
|
// WriteTxLookupEntries stores a positional metadata for every transaction from
|
|
// a block, enabling hash based transaction and receipt lookups.
|
|
func WriteTxLookupEntries(db ethdb.Writer, block *types.Block) {
|
|
for _, tx := range block.Transactions() {
|
|
if err := db.Put(txLookupKey(tx.Hash()), block.Hash().Bytes()); err != nil {
|
|
log.Crit("Failed to store transaction lookup entry", "err", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
// DeleteTxLookupEntry removes all transaction data associated with a hash.
|
|
func DeleteTxLookupEntry(db ethdb.Writer, hash common.Hash) {
|
|
db.Delete(txLookupKey(hash))
|
|
}
|
|
|
|
// ReadTransaction retrieves a specific transaction from the database, along with
|
|
// its added positional metadata.
|
|
func ReadTransaction(db ethdb.Reader, hash common.Hash) (*types.Transaction, common.Hash, uint64, uint64) {
|
|
blockHash := ReadTxLookupEntry(db, hash)
|
|
if blockHash == (common.Hash{}) {
|
|
return nil, common.Hash{}, 0, 0
|
|
}
|
|
blockNumber := ReadHeaderNumber(db, blockHash)
|
|
if blockNumber == nil {
|
|
return nil, common.Hash{}, 0, 0
|
|
}
|
|
body := ReadBody(db, blockHash, *blockNumber)
|
|
if body == nil {
|
|
log.Error("Transaction referenced missing", "number", blockNumber, "hash", blockHash)
|
|
return nil, common.Hash{}, 0, 0
|
|
}
|
|
for txIndex, tx := range body.Transactions {
|
|
if tx.Hash() == hash {
|
|
return tx, blockHash, *blockNumber, uint64(txIndex)
|
|
}
|
|
}
|
|
log.Error("Transaction not found", "number", blockNumber, "hash", blockHash, "txhash", hash)
|
|
return nil, common.Hash{}, 0, 0
|
|
}
|
|
|
|
// ReadReceipt retrieves a specific transaction receipt from the database, along with
|
|
// its added positional metadata.
|
|
func ReadReceipt(db ethdb.Reader, hash common.Hash) (*types.Receipt, common.Hash, uint64, uint64) {
|
|
blockHash := ReadTxLookupEntry(db, hash)
|
|
if blockHash == (common.Hash{}) {
|
|
return nil, common.Hash{}, 0, 0
|
|
}
|
|
blockNumber := ReadHeaderNumber(db, blockHash)
|
|
if blockNumber == nil {
|
|
return nil, common.Hash{}, 0, 0
|
|
}
|
|
receipts := ReadReceipts(db, blockHash, *blockNumber)
|
|
for receiptIndex, receipt := range receipts {
|
|
if receipt.TxHash == hash {
|
|
return receipt, blockHash, *blockNumber, uint64(receiptIndex)
|
|
}
|
|
}
|
|
log.Error("Receipt not found", "number", blockNumber, "hash", blockHash, "txhash", hash)
|
|
return nil, common.Hash{}, 0, 0
|
|
}
|
|
|
|
// ReadBloomBits retrieves the compressed bloom bit vector belonging to the given
|
|
// section and bit index from the.
|
|
func ReadBloomBits(db ethdb.Reader, bit uint, section uint64, head common.Hash) ([]byte, error) {
|
|
return db.Get(bloomBitsKey(bit, section, head))
|
|
}
|
|
|
|
// WriteBloomBits stores the compressed bloom bits vector belonging to the given
|
|
// section and bit index.
|
|
func WriteBloomBits(db ethdb.Writer, bit uint, section uint64, head common.Hash, bits []byte) {
|
|
if err := db.Put(bloomBitsKey(bit, section, head), bits); err != nil {
|
|
log.Crit("Failed to store bloom bits", "err", err)
|
|
}
|
|
}
|