From 7d5b1cf97ea28deab46d3cee273d987790843ad5 Mon Sep 17 00:00:00 2001
From: Ryan Leung <ryan.leung@solana.com>
Date: Thu, 16 Nov 2023 04:24:52 +0800
Subject: [PATCH] Add missing implementation

---
 connection-cache/src/connection_cache.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/connection-cache/src/connection_cache.rs b/connection-cache/src/connection_cache.rs
index b85d0408128908..c7bb12c0ad2498 100644
--- a/connection-cache/src/connection_cache.rs
+++ b/connection-cache/src/connection_cache.rs
@@ -647,6 +647,10 @@ mod tests {
         fn new_connection_config(&self) -> Self::NewConnectionConfig {
             MockUdpConfig::new().unwrap()
         }
+
+        fn update_key(&mut self, _key: &Keypair) -> Result<(), Box<dyn std::error::Error>> {
+            Ok(())
+        }
     }
 
     impl BlockingClientConnection for MockUdpConnection {