mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-25 13:07:17 +00:00
Utilities to fix DB corruption (#2214)
* Detect broken ancestry * Print last canonical headers * Add backExec * Cleanup * Add unwind util * Add trimTxs utility * Actually delete tx records * Avoid infinite loop * Change strategy * Close cursor after commmit * Fix RwBegin issue * 10m records per transaction Co-authored-by: Alex Sharp <alexsharp@Alexs-MacBook-Pro.local>
This commit is contained in:
ledgerwatch
GitHub
parent
7d1e17712f
commit
a79ed2fe0b
218
cmd/hack/hack.go
218
cmd/hack/hack.go
@ -1804,6 +1804,212 @@ func advanceExec(chaindata string) error {
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return nil
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}
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func backExec(chaindata string) error {
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db := kv2.MustOpenKV(chaindata)
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defer db.Close()
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tx, err := db.BeginRw(context.Background())
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if err != nil {
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return err
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}
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defer tx.Rollback()
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stageExec, err := stages.GetStageProgress(tx, stages.Execution)
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if err != nil {
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return err
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}
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log.Info("Stage exec", "progress", stageExec)
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if err = stages.SaveStageProgress(tx, stages.Execution, stageExec-1); err != nil {
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return err
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}
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stageExec, err = stages.GetStageProgress(tx, stages.Execution)
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if err != nil {
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return err
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}
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log.Info("Stage exec", "changed to", stageExec)
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if err = tx.Commit(); err != nil {
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return err
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}
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return nil
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}
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func unwind(chaindata string, block uint64) error {
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db := kv2.MustOpenKV(chaindata)
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defer db.Close()
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tx, err := db.BeginRw(context.Background())
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if err != nil {
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return err
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}
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defer tx.Rollback()
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log.Info("Unwinding to", "block", block)
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if err = stages.SaveStageUnwind(tx, stages.Headers, block); err != nil {
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return err
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}
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if err = stages.SaveStageUnwind(tx, stages.BlockHashes, block); err != nil {
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return err
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}
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if err = stages.SaveStageUnwind(tx, stages.Bodies, block); err != nil {
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return err
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}
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if err = stages.SaveStageUnwind(tx, stages.Senders, block); err != nil {
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return err
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}
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if err = stages.SaveStageUnwind(tx, stages.Execution, block); err != nil {
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return err
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}
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if err = stages.SaveStageUnwind(tx, stages.HashState, block); err != nil {
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return err
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}
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if err = stages.SaveStageUnwind(tx, stages.IntermediateHashes, block); err != nil {
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return err
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}
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if err = stages.SaveStageUnwind(tx, stages.CallTraces, block); err != nil {
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return err
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}
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if err = stages.SaveStageUnwind(tx, stages.AccountHistoryIndex, block); err != nil {
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return err
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}
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if err = stages.SaveStageUnwind(tx, stages.StorageHistoryIndex, block); err != nil {
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return err
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}
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if err = stages.SaveStageUnwind(tx, stages.LogIndex, block); err != nil {
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return err
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}
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if err = stages.SaveStageUnwind(tx, stages.TxLookup, block); err != nil {
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return err
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}
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if err = stages.SaveStageUnwind(tx, stages.Finish, block); err != nil {
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return err
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}
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if err = stages.SaveStageUnwind(tx, stages.TxPool, block); err != nil {
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return err
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}
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if err = tx.Commit(); err != nil {
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return err
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}
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return nil
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}
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func fixState(chaindata string) error {
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kv := kv2.MustOpenKV(chaindata)
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defer kv.Close()
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tx, err := kv.BeginRw(context.Background())
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if err != nil {
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return err
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}
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defer tx.Rollback()
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c, err1 := tx.RwCursor(dbutils.HeaderCanonicalBucket)
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if err1 != nil {
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return err1
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}
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defer c.Close()
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var prevHeaderKey [40]byte
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var k, v []byte
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for k, v, err = c.First(); err == nil && k != nil; k, v, err = c.Next() {
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var headerKey [40]byte
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copy(headerKey[:], k)
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copy(headerKey[8:], v)
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hv, herr := tx.GetOne(dbutils.HeadersBucket, headerKey[:])
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if herr != nil {
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return herr
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}
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if hv == nil {
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return fmt.Errorf("missing header record for %x", headerKey)
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}
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var header types.Header
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if err = rlp.DecodeBytes(hv, &header); err != nil {
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return fmt.Errorf("decoding header from %x: %v", v, err)
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}
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if header.Number.Uint64() > 1 {
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var parentK [40]byte
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binary.BigEndian.PutUint64(parentK[:], header.Number.Uint64()-1)
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copy(parentK[8:], header.ParentHash[:])
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if !bytes.Equal(parentK[:], prevHeaderKey[:]) {
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fmt.Printf("broken ancestry from %d %x (parent hash %x): prevKey %x\n", header.Number.Uint64(), v, header.ParentHash, prevHeaderKey)
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}
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}
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copy(prevHeaderKey[:], headerKey[:])
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}
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if err != nil {
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return err
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}
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return tx.Commit()
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}
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func trimTxs(chaindata string) error {
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db := kv2.MustOpen(chaindata).RwKV()
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defer db.Close()
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tx, err := db.BeginRw(context.Background())
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if err != nil {
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return err
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}
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defer tx.Rollback()
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lastTxId, err := tx.ReadSequence(dbutils.EthTx)
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if err != nil {
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return err
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}
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txs, err1 := tx.RwCursor(dbutils.EthTx)
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if err1 != nil {
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return err1
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}
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defer txs.Close()
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bodies, err2 := tx.Cursor(dbutils.BlockBodyPrefix)
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if err2 != nil {
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return err
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}
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defer bodies.Close()
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toDelete := roaring64.New()
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toDelete.AddRange(0, lastTxId)
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// Exclude transaction that are used, from the range
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for k, v, err := bodies.First(); k != nil; k, v, err = bodies.Next() {
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if err != nil {
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return err
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}
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var body types.BodyForStorage
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if err = rlp.DecodeBytes(v, &body); err != nil {
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return err
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}
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// Remove from the map
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toDelete.RemoveRange(body.BaseTxId, body.BaseTxId+uint64(body.TxAmount))
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}
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fmt.Printf("Number of tx records to delete: %d\n", toDelete.GetCardinality())
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iter := toDelete.Iterator()
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for {
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var deleted int
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for iter.HasNext() {
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txId := iter.Next()
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var key [8]byte
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binary.BigEndian.PutUint64(key[:], txId)
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if err = txs.Delete(key[:], nil); err != nil {
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return err
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}
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deleted++
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if deleted >= 10_000_000 {
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break
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}
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}
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if deleted == 0 {
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fmt.Printf("Nothing more to delete\n")
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break
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}
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fmt.Printf("Committing after deleting %d records\n", deleted)
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if err = tx.Commit(); err != nil {
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return err
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}
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txs.Close()
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tx, err = db.BeginRw(context.Background())
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if err != nil {
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return err
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}
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defer tx.Rollback()
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txs, err = tx.RwCursor(dbutils.EthTx)
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if err != nil {
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return err
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}
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defer txs.Close()
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}
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return nil
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}
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func main() {
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flag.Parse()
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@ -1945,6 +2151,18 @@ func main() {
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case "advanceExec":
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err = advanceExec(*chaindata)
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case "backExec":
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err = backExec(*chaindata)
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case "fixState":
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err = fixState(*chaindata)
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case "unwind":
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err = unwind(*chaindata, uint64(*block))
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case "trimTxs":
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err = trimTxs(*chaindata)
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}
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if err != nil {
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