chore: add a comment about nullable tx receipt root field

matter-labs · Nov 5, 2024 · 1b54dd1 · 1b54dd1
1 parent b77d3dc
commit 1b54dd1
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/packages/worker/src/entities/transactionReceipt.entity.ts b/packages/worker/src/entities/transactionReceipt.entity.ts
@@ -34,6 +34,8 @@ export class TransactionReceipt extends CountableEntity {
   @Column({ type: "int" })
   public readonly type: number;
 
+  // this field is only relevant on L1 pre byzantium fork (EIP658),
+  // but was present in ZKsync API before, so it cannot be just dropped.
   @Column({ type: "bytea", transformer: hexTransformer, nullable: true })
   public readonly root?: string;