From: Jeffrey Czyz <jkczyz@gmail.com>
Date: Mon, 31 Jan 2022 23:23:49 +0000 (-0600)
Subject: f - Warn about calling features() in a hot code path
X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=923f99a16fbea8da4aa6a93a401d8695a1c26f49;p=rust-lightning

f - Warn about calling features() in a hot code path
---

diff --git a/lightning/src/routing/router.rs b/lightning/src/routing/router.rs
index b1e24627d..08f499fb7 100644
--- a/lightning/src/routing/router.rs
+++ b/lightning/src/routing/router.rs
@@ -373,6 +373,7 @@ impl<'a> CandidateRouteHop<'a> {
 		}
 	}
 
+	// NOTE: This may copy bytes to so avoid calling it in a hot code path.
 	fn features(&self) -> ChannelFeatures {
 		match self {
 			CandidateRouteHop::FirstHop { details } => details.counterparty.features.to_context(),