From 32695b4f40f6c308a252ec687051cf48485f58d9 Mon Sep 17 00:00:00 2001
From: Roman Khimov <roman@nspcc.ru>
Date: Tue, 28 Jan 2020 19:34:34 +0300
Subject: [PATCH] network: don't unregister connected peers

If we drop connection because we're already connected don't unregister this
connected address because it's connected anyway!
---
 pkg/network/server.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/network/server.go b/pkg/network/server.go
index 1f1af4958..528908a40 100644
--- a/pkg/network/server.go
+++ b/pkg/network/server.go
@@ -239,7 +239,7 @@ func (s *Server) run() {
 				addr := drop.peer.PeerAddr().String()
 				if drop.reason == errIdenticalID {
 					s.discovery.RegisterBadAddr(addr)
-				} else {
+				} else if drop.reason != errAlreadyConnected {
 					s.discovery.UnregisterConnectedAddr(addr)
 					s.discovery.BackFill(addr)
 				}