Fallback close_channel_internal to force close pending channels

Author: dunxen

lightning/src/ln/channelmanager.rs

@@ -2346,6 +2346,14 @@ where
 
 			let mut peer_state_lock = peer_state_mutex.lock().unwrap();
 			let peer_state = &mut *peer_state_lock;
+
+			if peer_state.has_pending_channel(&channel_id) {
+				// If the channel was still in a pending channel map, then we force-close the channel, ignoring
+				// any channel-not-found errors.
+				let _ = self.force_close_channel_with_peer(&channel_id, counterparty_node_id, None, false);
+				return Ok(());
+			}
+
 			match peer_state.channel_by_id.entry(channel_id.clone()) {
 				hash_map::Entry::Occupied(mut chan_entry) => {
 					let funding_txo_opt = chan_entry.get().context.get_funding_txo();