forks/go-ethereum
1
0
Fork 1
mirror of https://github.com/ethereum/go-ethereum.git synced 2026-07-27 07:06:42 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

core/rawdb: improve PruneTransactionIndex

Browse source
This commit is contained in:
Felix Lange 2025-03-18 21:08:16 +01:00
parent 2d29bcfae1
commit 1100dba965
2 changed files with 16 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
core/rawdb/chain_iterator.go
View file

@ -366,10 +366,19 @@ func unindexTransactionsForTesting(db ethdb.Database, from uint64, to uint64, in
// PruneTransactionIndex removes all tx index entries below a certain block number.
func PruneTransactionIndex(db ethdb.Database, pruneBlock uint64) {
db = NewTable(db, string(txLookupPrefix))
iter := db.NewIterator(nil, nil)
defer iter.Release()
tail := ReadTxIndexTail(db)
if tail == nil {
return // no index
}
if *tail > pruneBlock {
return // index ends above pruneBlock
}
// There are transactions below pruneBlock in the index. Iterate the entire index to
// remove the entries. Note if this fails, the index is messed up, but tail still
// points to the old tail.
iter := db.NewIterator(txLookupPrefix, nil)
defer iter.Release()
for iter.Next() {
v := iter.Value()
if len(v) > 8 {
@ -383,6 +392,7 @@ func PruneTransactionIndex(db ethdb.Database, pruneBlock uint64) {
}
}
}
WriteTxIndexTail(db, pruneBlock)
}
func decodeNumber(b []byte) uint64 {

3
core/rawdb/chain_iterator_test.go
View file

@ -245,6 +245,9 @@ func TestPruneTransactionIndex(t *testing.T) {
if block.NumberU64() < pruneBlock && num != nil {
t.Fatalf("TxLookup entry not removed: %x -> %v", tx.Hash(), num)
}
if block.NumberU64() > pruneBlock && (num == nil || *num != block.NumberU64()) {
t.Fatalf("wrong TxLookup entry after pruning: %x -> %v", tx.Hash(), num)
}
}
}
}