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core/rawdb: single point of maintenance for writing and deleting tx lookup indexes (#21480)

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This commit is contained in:
Giuseppe Bertone
2020-09-15 10:37:01 +02:00
committed by GitHub
parent 4764b2f0be
commit 0185ee0993
5 changed files with 31 additions and 29 deletions
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38
core/rawdb/accessors_indexes.go
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@ -53,25 +53,29 @@ func ReadTxLookupEntry(db ethdb.Reader, hash common.Hash) *uint64 {
return &entry.BlockIndex
}
// WriteTxLookupEntries stores a positional metadata for every transaction from
// a block, enabling hash based transaction and receipt lookups.
func WriteTxLookupEntries(db ethdb.KeyValueWriter, block *types.Block) {
number := block.Number().Bytes()
for _, tx := range block.Transactions() {
if err := db.Put(txLookupKey(tx.Hash()), number); err != nil {
log.Crit("Failed to store transaction lookup entry", "err", err)
}
// writeTxLookupEntry stores a positional metadata for a transaction,
// enabling hash based transaction and receipt lookups.
func writeTxLookupEntry(db ethdb.KeyValueWriter, hash common.Hash, numberBytes []byte) {
if err := db.Put(txLookupKey(hash), numberBytes); err != nil {
log.Crit("Failed to store transaction lookup entry", "err", err)
}
}
// WriteTxLookupEntriesByHash is identical to WriteTxLookupEntries, but does not
// require a full types.Block as input.
func WriteTxLookupEntriesByHash(db ethdb.KeyValueWriter, number uint64, hashes []common.Hash) {
// WriteTxLookupEntries is identical to WriteTxLookupEntry, but it works on
// a list of hashes
func WriteTxLookupEntries(db ethdb.KeyValueWriter, number uint64, hashes []common.Hash) {
numberBytes := new(big.Int).SetUint64(number).Bytes()
for _, hash := range hashes {
if err := db.Put(txLookupKey(hash), numberBytes); err != nil {
log.Crit("Failed to store transaction lookup entry", "err", err)
}
writeTxLookupEntry(db, hash, numberBytes)
}
}
// WriteTxLookupEntriesByBlock stores a positional metadata for every transaction from
// a block, enabling hash based transaction and receipt lookups.
func WriteTxLookupEntriesByBlock(db ethdb.KeyValueWriter, block *types.Block) {
numberBytes := block.Number().Bytes()
for _, tx := range block.Transactions() {
writeTxLookupEntry(db, tx.Hash(), numberBytes)
}
}
@ -83,11 +87,9 @@ func DeleteTxLookupEntry(db ethdb.KeyValueWriter, hash common.Hash) {
}
// DeleteTxLookupEntries removes all transaction lookups for a given block.
func DeleteTxLookupEntriesByHash(db ethdb.KeyValueWriter, hashes []common.Hash) {
func DeleteTxLookupEntries(db ethdb.KeyValueWriter, hashes []common.Hash) {
for _, hash := range hashes {
if err := db.Delete(txLookupKey(hash)); err != nil {
log.Crit("Failed to delete transaction lookup entry", "err", err)
}
DeleteTxLookupEntry(db, hash)
}
}