From add31871cbed7f650d83094761abea32a379d2c3 Mon Sep 17 00:00:00 2001
From: nikurt <86772482+nikurt@users.noreply.github.com>
Date: Mon, 11 Dec 2023 13:16:56 +0100
Subject: [PATCH] fix: State Sync Header Request no longer crashes a node
 (#10313)

---
 chain/chain/src/chain.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/chain/chain/src/chain.rs b/chain/chain/src/chain.rs
index 06e9efe277b..79ce1079f93 100644
--- a/chain/chain/src/chain.rs
+++ b/chain/chain/src/chain.rs
@@ -3006,7 +3006,11 @@ impl Chain {
             );
 
             let mut root_proofs_cur = vec![];
-            assert_eq!(receipt_proofs.len(), block_header.chunks_included() as usize);
+            if receipt_proofs.len() != block_header.chunks_included() as usize {
+                // Happens if a node doesn't track all shards and can't provide
+                // all incoming receipts to a chunk.
+                return Err(Error::Other("Not tracking all shards".to_owned()));
+            }
             for receipt_proof in receipt_proofs.iter() {
                 let ReceiptProof(receipts, shard_proof) = receipt_proof;
                 let ShardProof { from_shard_id, to_shard_id: _, proof } = shard_proof;