From 44a6416ffc4205daade4cbda4f0bfc9d54169a4d Mon Sep 17 00:00:00 2001
From: Svyatoslav Nikolsky <svyatonik@gmail.com>
Date: Sat, 16 Oct 2021 12:57:44 +0300
Subject: [PATCH] additional log in finality relay + rephrase "failed" (#1182)

---
 bridges/relays/finality/src/finality_loop.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/bridges/relays/finality/src/finality_loop.rs b/bridges/relays/finality/src/finality_loop.rs
index adfd3927de8..c64c9d629bf 100644
--- a/bridges/relays/finality/src/finality_loop.rs
+++ b/bridges/relays/finality/src/finality_loop.rs
@@ -484,6 +484,14 @@ pub(crate) async fn read_missing_headers<
 		header_number = header_number + One::one();
 	}
 
+	log::trace!(
+		target: "bridge",
+		"Read {} {} headers. Selected finality proof for header: {:?}",
+		best_number_at_source.saturating_sub(best_number_at_target),
+		P::SOURCE_NAME,
+		selected_finality_proof.as_ref().map(|(header, _)| header),
+	);
+
 	Ok(match selected_finality_proof {
 		Some((header, proof)) => SelectedFinalityProof::Regular(unjustified_headers, header, proof),
 		None => SelectedFinalityProof::None(unjustified_headers),
@@ -584,7 +592,7 @@ pub(crate) fn select_better_recent_finality_proof<P: FinalitySyncPipeline>(
 		buffered_range_begin,
 		buffered_range_end,
 		selected_header_number,
-		if has_selected_finality_proof { "improved" } else { "failed" },
+		if has_selected_finality_proof { "improved" } else { "not improved" },
 	);
 	if !has_selected_finality_proof {
 		return selected_finality_proof
-- 
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