f describe new return msg

Author: TheBlueMatt

lightning/src/ln/channel.rs

@@ -1985,6 +1985,9 @@ impl<Signer: Sign> Channel<Signer> {
 		Ok((channel_monitor, self.funding_transaction.as_ref().cloned().unwrap()))
 	}
 
+	/// Handles a funding_locked message from our peer. If we've already sent our funding_locked
+	/// and the channel is now usable (and public), this may generate an announcement_signatures to
+	/// reply with.
 	pub fn funding_locked<L: Deref>(&mut self, msg: &msgs::FundingLocked, node_pk: PublicKey, genesis_block_hash: BlockHash, best_block: &BestBlock, logger: &L) -> Result<Option<msgs::AnnouncementSignatures>, ChannelError> where L::Target: Logger {
 		if self.channel_state & (ChannelState::PeerDisconnected as u32) == ChannelState::PeerDisconnected as u32 {
 			self.workaround_lnd_bug_4006 = Some(msg.clone());