From 8a0c8cc425035e0cbeda071a2fb8a2642b742bce Mon Sep 17 00:00:00 2001
From: Sergei Shulepov <sergei@parity.io>
Date: Tue, 2 Feb 2021 18:28:55 +0100
Subject: [PATCH] Log unknown collator (#2367)

---
 .../node/network/collator-protocol/src/validator_side.rs    | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/polkadot/node/network/collator-protocol/src/validator_side.rs b/polkadot/node/network/collator-protocol/src/validator_side.rs
index f15a95f07be..33a97c60154 100644
--- a/polkadot/node/network/collator-protocol/src/validator_side.rs
+++ b/polkadot/node/network/collator-protocol/src/validator_side.rs
@@ -537,6 +537,12 @@ where
 
 			if let Some(collator) = state.known_collators.get(&origin) {
 				notify_candidate_selection(ctx, collator.clone(), relay_parent, para_id).await;
+			} else {
+				tracing::debug!(
+					target: LOG_TARGET,
+					peer_id = ?origin,
+					"advertise collation received from an unknown collator",
+				);
 			}
 		}
 		RequestCollation(_, _, _) => {
-- 
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