f dedup channel update logic

Author: dunxen

lightning/src/ln/channelmanager.rs

@@ -3663,24 +3663,14 @@ where
 				if !channel_phase.context_mut().update_config(&config) {
 					continue;
 				}
-				match channel_phase {
-					ChannelPhase::Funded(channel) => {
-						if let Ok(msg) = self.get_channel_update_for_broadcast(channel) {
-							peer_state.pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate { msg });
-						} else if let Ok(msg) = self.get_channel_update_for_unicast(channel) {
-							peer_state.pending_msg_events.push(events::MessageSendEvent::SendChannelUpdate {
-								node_id: channel.context.get_counterparty_node_id(),
-								msg,
-							});
-						}
-					},
-					ChannelPhase::UnfundedOutboundV1(_) | ChannelPhase::UnfundedInboundV1(_) => {
-						let context = channel_phase.context_mut();
-						let mut config = context.config();
-						config.apply(config_update);
-						// We update the config, but we MUST NOT broadcast a `channel_update` before `channel_ready`
-						// which would be the case for pending inbound/outbound channels.
-						context.update_config(&config);
+				if let ChannelPhase::Funded(channel) = channel_phase {
+					if let Ok(msg) = self.get_channel_update_for_broadcast(channel) {
+						peer_state.pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate { msg });
+					} else if let Ok(msg) = self.get_channel_update_for_unicast(channel) {
+						peer_state.pending_msg_events.push(events::MessageSendEvent::SendChannelUpdate {
+							node_id: channel.context.get_counterparty_node_id(),
+							msg,
+						});
 					}
 				}
 				continue;