X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Fchannelmanager.rs;h=6b4f494efe2851186afb97bb10dd053505c6b40f;hb=c8c535412dab31ca88866fc54ab472458494adb5;hp=e0fc3ed2c83e2f3fae3f4958f1c31181e7f8e633;hpb=bf9144039cccb30d269c899f69de6a0c366f041f;p=rust-lightning

diff --git a/lightning/src/ln/channelmanager.rs b/lightning/src/ln/channelmanager.rs
index e0fc3ed2..6b4f494e 100644
--- a/lightning/src/ln/channelmanager.rs
+++ b/lightning/src/ln/channelmanager.rs
@@ -6756,8 +6756,13 @@ where
 					if were_node_one == msg_from_node_one {
 						return Ok(NotifyOption::SkipPersistNoEvents);
 					} else {
-						log_debug!(self.logger, "Received channel_update for channel {}.", chan_id);
-						try_chan_phase_entry!(self, chan.channel_update(&msg), chan_phase_entry);
+						log_debug!(self.logger, "Received channel_update {:?} for channel {}.", msg, chan_id);
+						let did_change = try_chan_phase_entry!(self, chan.channel_update(&msg), chan_phase_entry);
+						// If nothing changed after applying their update, we don't need to bother
+						// persisting.
+						if !did_change {
+							return Ok(NotifyOption::SkipPersistNoEvents);
+						}
 					}
 				} else {
 					return try_chan_phase_entry!(self, Err(ChannelError::Close(