fix integration trie nil pointer (#2533)

* fix integration trie

* fix integration trie

cmd/integration/commands/snapshot_check.go

@@ -264,7 +264,7 @@ func snapshotCheck(ctx context.Context, db kv.RwDB, isNew bool, tmpDir string) (
 		stage6 := stage(sync, tx, nil, stages.IntermediateHashes)
 		stage6.BlockNumber = blockNumber - 1
 		log.Info("Stage6", "progress", stage6.BlockNumber)
-		if _, err = stagedsync.SpawnIntermediateHashesStage(stage5, nil /* Unwinder */, tx, stagedsync.StageTrieCfg(db, true, true, tmpDir), ctx); err != nil {
+		if _, err = stagedsync.SpawnIntermediateHashesStage(stage5, sync /* Unwinder */, tx, stagedsync.StageTrieCfg(db, true, true, tmpDir), ctx); err != nil {
 			log.Error("Error on ih", "err", err, "block", blockNumber)
 			return fmt.Errorf("spawnIntermediateHashesStage %w", err)
 		}

cmd/integration/commands/stages.go

@@ -498,7 +498,10 @@ func stageTrie(db kv.RwDB, ctx context.Context) error {
 	defer tx.Rollback()
 
 	if reset {
-		return stagedsync.ResetIH(tx)
+		if err := stagedsync.ResetIH(tx); err != nil {
+			return err
+		}
+		return tx.Commit()
 	}
 	execStage := stage(sync, tx, nil, stages.Execution)
 	s := stage(sync, tx, nil, stages.IntermediateHashes)
@@ -529,7 +532,7 @@ func stageTrie(db kv.RwDB, ctx context.Context) error {
 			return err
 		}
 	} else {
-		if _, err := stagedsync.SpawnIntermediateHashesStage(s, nil /* Unwinder */, tx, cfg, ctx); err != nil {
+		if _, err := stagedsync.SpawnIntermediateHashesStage(s, sync /* Unwinder */, tx, cfg, ctx); err != nil {
 			return err
 		}
 	}