From ef38c43d09cd7aa4a5afd8c59d25ea811eac2a2d Mon Sep 17 00:00:00 2001
From: terence tsao <terence@prysmaticlabs.com>
Date: Thu, 15 Apr 2021 06:29:19 -0700
Subject: [PATCH] Add VerifyNilBeaconBlock to ProcessBlock

---
 beacon-chain/core/state/transition.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/beacon-chain/core/state/transition.go b/beacon-chain/core/state/transition.go
index cff7cfa93c45..2ccb987851e3 100644
--- a/beacon-chain/core/state/transition.go
+++ b/beacon-chain/core/state/transition.go
@@ -322,6 +322,10 @@ func ProcessBlock(
 	defer span.End()
 
 	var err error
+	if err = helpers.VerifyNilBeaconBlock(signed); err != nil {
+		return nil, err
+	}
+
 	for _, p := range processingPipeline {
 		state, err = p(ctx, state, signed)
 		if err != nil {