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core/rawdb: add PruneTransactionIndex

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This commit is contained in:
Felix Lange 2025-03-18 16:56:09 +01:00
parent 55a4a392cb
commit 2e470f1865
1 changed files with 27 additions and 0 deletions
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27
core/rawdb/chain_iterator.go
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@ -17,6 +17,8 @@
package rawdb package rawdb
import ( import (
"encoding/binary"
"fmt"
"runtime" "runtime"
"sync/atomic" "sync/atomic"
"time" "time"
@ -361,3 +363,28 @@ func UnindexTransactions(db ethdb.Database, from uint64, to uint64, interrupt ch
func unindexTransactionsForTesting(db ethdb.Database, from uint64, to uint64, interrupt chan struct{}, hook func(uint64) bool) { func unindexTransactionsForTesting(db ethdb.Database, from uint64, to uint64, interrupt chan struct{}, hook func(uint64) bool) {
unindexTransactions(db, from, to, interrupt, hook, false) unindexTransactions(db, from, to, interrupt, hook, false)
} }
// PruneTransactionIndex removes all tx index entries below a certain block number.
func PruneTransactionIndex(db ethdb.Database, pruneBlock uint64) {
index := NewTable(db, string(txLookupPrefix))
iter := index.NewIterator(nil, nil)
defer iter.Release()
for iter.Next() {
v := iter.Value()
if len(v) > 8 {
continue // legacy entry
}
bn := decodeNumber(v)
if bn < pruneBlock {
fmt.Println("found entry", iter.Key())
// db.Delete(iter.Key())
}
}
}
func decodeNumber(b []byte) uint64 {
var numBuffer [8]byte
copy(numBuffer[8-len(b):], b)
return binary.BigEndian.Uint64(numBuffer[:])
}