fix: fix breaking builder block production (#5928)

ChainSafe · Sep 2, 2023 · daa811d · daa811d
1 parent 11af9df
commit daa811d
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/packages/beacon-node/src/chain/produceBlock/produceBlockBody.ts b/packages/beacon-node/src/chain/produceBlock/produceBlockBody.ts
@@ -329,8 +329,14 @@ export async function produceBlockBody<T extends BlockType>(
     (blockBody as capella.BeaconBlockBody).blsToExecutionChanges = blsToExecutionChanges;
     Object.assign(logMeta, {
       blsToExecutionChanges: blsToExecutionChanges.length,
-      withdrawals: (blockBody as capella.BeaconBlockBody).executionPayload.withdrawals.length,
     });
+
+    // withdrawals are only available in full body
+    if (blockType === BlockType.Full) {
+      Object.assign(logMeta, {
+        withdrawals: (blockBody as capella.BeaconBlockBody).executionPayload.withdrawals.length,
+      });
+    }
   }
 
   Object.assign(logMeta, {blockValue});