From 4e676c7fc9ef2a6295688ee6b43cddccd942299b Mon Sep 17 00:00:00 2001
From: matthewkeil <me@matthewkeil.com>
Date: Mon, 21 Oct 2024 23:06:22 +0700
Subject: [PATCH] feat: check for no commitments on block or column in sidecar
 validation

---
 packages/beacon-node/src/chain/validation/dataColumnSidecar.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/beacon-node/src/chain/validation/dataColumnSidecar.ts b/packages/beacon-node/src/chain/validation/dataColumnSidecar.ts
index 332b1982a5d..a1c831f7d5f 100644
--- a/packages/beacon-node/src/chain/validation/dataColumnSidecar.ts
+++ b/packages/beacon-node/src/chain/validation/dataColumnSidecar.ts
@@ -72,6 +72,8 @@ export function validateDataColumnsSidecars(
     if (
       columnBlockHeader.slot !== blockSlot ||
       !byteArrayEquals(columnBlockRoot, blockRoot) ||
+      kzgCommitments.length === 0 ||
+      blockKzgCommitments.length === 0 ||
       blockKzgCommitments.length !== kzgCommitments.length ||
       blockKzgCommitments
         .map((commitment, i) => byteArrayEquals(commitment, kzgCommitments[i]))