From 9b3b73015925a84fbb004f63516d28e45da675ce Mon Sep 17 00:00:00 2001
From: Jimmy Chen <jchen.tc@gmail.com>
Date: Tue, 30 Jul 2024 23:48:28 +1000
Subject: [PATCH] Avoid acquiring another read lock while holding one to avoid
 potential deadlock (#6200)

* Avoid acquiring another read lock to avoid potential deadlock.
---
 beacon_node/eth1/src/service.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/beacon_node/eth1/src/service.rs b/beacon_node/eth1/src/service.rs
index 9cc1da1382..e5d60fac49 100644
--- a/beacon_node/eth1/src/service.rs
+++ b/beacon_node/eth1/src/service.rs
@@ -1129,7 +1129,7 @@ impl Service {
 
         Ok(BlockCacheUpdateOutcome {
             blocks_imported,
-            head_block_number: self.inner.block_cache.read().highest_block_number(),
+            head_block_number: block_cache.highest_block_number(),
         })
     }
 }