From 351b656a82008ab7a366b57bc5c1f2ef88974f5d Mon Sep 17 00:00:00 2001
From: Evgenii P <eupn@protonmail.com>
Date: Mon, 14 Dec 2020 16:27:54 +0700
Subject: [PATCH] Use unstable sort by key for performance

---
 src/wallet/signer.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/wallet/signer.rs b/src/wallet/signer.rs
index f6cee501..c2cbef02 100644
--- a/src/wallet/signer.rs
+++ b/src/wallet/signer.rs
@@ -395,7 +395,7 @@ impl SignersContainer {
     /// Returns the list of signers in the container, sorted by lowest to highest `ordering`
     pub fn signers(&self) -> Vec<&Arc<dyn Signer>> {
         let mut items = self.0.iter().collect::<Vec<_>>();
-        items.sort_by(|(a, _), (b, _)| (*a).cmp(*b));
+        items.sort_unstable_by_key(|(key, _)| *key);
         items.into_iter().map(|(_, v)| v).collect()
     }