fix for parent hash in stage batches (#170)

erigontech · Mar 5, 2024 · d1e6ee6 · d1e6ee6
1 parent bc50d2d
commit d1e6ee6
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/zk/stages/stage_batches.go b/zk/stages/stage_batches.go
@@ -213,12 +213,12 @@ func SpawnStageBatches(
 			if lastHash != emptyHash {
 				l2Block.ParentHash = lastHash
 			} else {
-				// block 1 so get genesis detail
-				genesisHash, err := eriDb.ReadCanonicalHash(0)
+				// first block in the loop so read the parent hash
+				previousHash, err := eriDb.ReadCanonicalHash(l2Block.L2BlockNumber - 1)
 				if err != nil {
 					return fmt.Errorf("failed to get genesis header: %v", err)
 				}
-				l2Block.ParentHash = genesisHash
+				l2Block.ParentHash = previousHash
 			}
 
 			if err := writeL2Block(eriDb, hermezDb, &l2Block); err != nil {