f add a comment about error messages as suggested by arik

Author: TheBlueMatt

lightning/src/ln/peer_handler.rs

@@ -92,6 +92,8 @@ impl MessageSendEventsProvider for DummyChannelHandler {
 	}
 }
 impl ChannelMessageHandler for DummyChannelHandler {
+	// Any messages which are related to a specific channel generate an error message to let the
+	// peer know we don't care about channels.
 	fn handle_open_channel(&self, their_node_id: &PublicKey, _their_features: InitFeatures, msg: &msgs::OpenChannel) {
 		DummyChannelHandler::push_error(self, their_node_id, msg.temporary_channel_id);
 	}
@@ -137,11 +139,11 @@ impl ChannelMessageHandler for DummyChannelHandler {
 	fn handle_announcement_signatures(&self, their_node_id: &PublicKey, msg: &msgs::AnnouncementSignatures) {
 		DummyChannelHandler::push_error(self, their_node_id, msg.channel_id);
 	}
-	fn peer_disconnected(&self, _their_node_id: &PublicKey, _no_connection_possible: bool) {}
-	fn peer_connected(&self, _their_node_id: &PublicKey, _msg: &msgs::Init) {}
 	fn handle_channel_reestablish(&self, their_node_id: &PublicKey, msg: &msgs::ChannelReestablish) {
 		DummyChannelHandler::push_error(self, their_node_id, msg.channel_id);
 	}
+	fn peer_disconnected(&self, _their_node_id: &PublicKey, _no_connection_possible: bool) {}
+	fn peer_connected(&self, _their_node_id: &PublicKey, _msg: &msgs::Init) {}
 	fn handle_error(&self, _their_node_id: &PublicKey, _msg: &msgs::ErrorMessage) {}
 }
 impl Deref for DummyChannelHandler {