Merge pull request #2240 from nspcc-dev/fix-panic-in-network

Fix panic on peer disconnect

pkg/network/server.go

@@ -393,7 +393,7 @@ func (s *Server) run() {
 				s.lock.Unlock()
 				s.log.Warn("peer disconnected",
 					zap.Stringer("addr", drop.peer.RemoteAddr()),
-					zap.String("reason", drop.reason.Error()),
+					zap.Error(drop.reason),
 					zap.Int("peerCount", s.PeerCount()))
 				addr := drop.peer.PeerAddr().String()
 				if drop.reason == errIdenticalID {

pkg/network/tcp_peer.go

@@ -179,8 +179,8 @@ func (p *TCPPeer) handleConn() {
 			p.incoming <- msg
 		}
 	}
-	close(p.incoming)
 	p.Disconnect(err)
+	close(p.incoming)
 }
 
 func (p *TCPPeer) handleIncoming() {