core: remove unnecessary fields in logs, receipts and tx lookups (#17106)

* core: remove unnecessary fields in log

* core: bump blockchain database version

* core, les: remove unnecessary fields in txlookup

* eth: print db version explicitly

* core/rawdb: drop txlookup entry struct wrapper
This commit is contained in:
gary rong
2019-02-21 21:14:35 +08:00
committed by Péter Szilágyi
parent 8577b5b020
commit 7fd0ccaa68
13 changed files with 147 additions and 61 deletions

View File

@ -25,33 +25,28 @@ import (
// ReadTxLookupEntry retrieves the positional metadata associated with a transaction
// hash to allow retrieving the transaction or receipt by hash.
func ReadTxLookupEntry(db DatabaseReader, hash common.Hash) (common.Hash, uint64, uint64) {
func ReadTxLookupEntry(db DatabaseReader, hash common.Hash) common.Hash {
data, _ := db.Get(txLookupKey(hash))
if len(data) == 0 {
return common.Hash{}, 0, 0
return common.Hash{}
}
var entry TxLookupEntry
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, "err", err)
return common.Hash{}, 0, 0
log.Error("Invalid transaction lookup entry RLP", "hash", hash, "blob", data, "err", err)
return common.Hash{}
}
return entry.BlockHash, entry.BlockIndex, entry.Index
return entry.BlockHash
}
// WriteTxLookupEntries stores a positional metadata for every transaction from
// a block, enabling hash based transaction and receipt lookups.
func WriteTxLookupEntries(db DatabaseWriter, block *types.Block) {
for i, tx := range block.Transactions() {
entry := TxLookupEntry{
BlockHash: block.Hash(),
BlockIndex: block.NumberU64(),
Index: uint64(i),
}
data, err := rlp.EncodeToBytes(entry)
if err != nil {
log.Crit("Failed to encode transaction lookup entry", "err", err)
}
if err := db.Put(txLookupKey(tx.Hash()), data); err != nil {
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)
}
}
@ -65,31 +60,47 @@ func DeleteTxLookupEntry(db DatabaseDeleter, hash common.Hash) {
// ReadTransaction retrieves a specific transaction from the database, along with
// its added positional metadata.
func ReadTransaction(db DatabaseReader, hash common.Hash) (*types.Transaction, common.Hash, uint64, uint64) {
blockHash, blockNumber, txIndex := ReadTxLookupEntry(db, hash)
blockHash := ReadTxLookupEntry(db, hash)
if blockHash == (common.Hash{}) {
return nil, common.Hash{}, 0, 0
}
body := ReadBody(db, blockHash, blockNumber)
if body == nil || len(body.Transactions) <= int(txIndex) {
log.Error("Transaction referenced missing", "number", blockNumber, "hash", blockHash, "index", txIndex)
blockNumber := ReadHeaderNumber(db, blockHash)
if blockNumber == nil {
return nil, common.Hash{}, 0, 0
}
return body.Transactions[txIndex], blockHash, blockNumber, txIndex
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 DatabaseReader, hash common.Hash) (*types.Receipt, common.Hash, uint64, uint64) {
blockHash, blockNumber, receiptIndex := ReadTxLookupEntry(db, hash)
blockHash := ReadTxLookupEntry(db, hash)
if blockHash == (common.Hash{}) {
return nil, common.Hash{}, 0, 0
}
receipts := ReadReceipts(db, blockHash, blockNumber)
if len(receipts) <= int(receiptIndex) {
log.Error("Receipt refereced missing", "number", blockNumber, "hash", blockHash, "index", receiptIndex)
blockNumber := ReadHeaderNumber(db, blockHash)
if blockNumber == nil {
return nil, common.Hash{}, 0, 0
}
return receipts[receiptIndex], blockHash, blockNumber, receiptIndex
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