From e84e08aea8c847f655a583476a6d7fb3a8c2f679 Mon Sep 17 00:00:00 2001
From: Kasey Kirkham <kasey@users.noreply.github.com>
Date: Thu, 8 Jun 2023 13:48:47 -0500
Subject: [PATCH] fixup! BlobSidecarsByRange rpc handler

---
 beacon-chain/sync/rpc_blob_sidecars_by_range.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/beacon-chain/sync/rpc_blob_sidecars_by_range.go b/beacon-chain/sync/rpc_blob_sidecars_by_range.go
index 32c569ed5c37..16fcd964319d 100644
--- a/beacon-chain/sync/rpc_blob_sidecars_by_range.go
+++ b/beacon-chain/sync/rpc_blob_sidecars_by_range.go
@@ -118,6 +118,9 @@ func blobBatchLimit() uint64 {
 }
 
 func validateBlobsByRange(r *pb.BlobSidecarsByRangeRequest, current primitives.Slot) (rangeParams, error) {
+	if r.Count == 0 {
+		return rangeParams{}, errors.Wrap(p2ptypes.ErrInvalidRequest, "invalid request Count parameter")
+	}
 	rp := rangeParams{
 		start: r.StartSlot,
 		size:  r.Count,