From: Matt Corallo <git@bluematt.me>
Date: Sun, 3 Mar 2019 18:01:55 +0000 (-0500)
Subject: Add a useful log_trace before we release holding cell.
X-Git-Tag: v0.0.12~222^2
X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=refs%2Fheads%2F2019-03-chan-cleanup;p=rust-lightning

Add a useful log_trace before we release holding cell.
---

diff --git a/src/ln/channel.rs b/src/ln/channel.rs
index a14cc06b2..27c1d7c68 100644
--- a/src/ln/channel.rs
+++ b/src/ln/channel.rs
@@ -1851,6 +1851,8 @@ impl Channel {
 	fn free_holding_cell_htlcs(&mut self) -> Result<Option<(msgs::CommitmentUpdate, ChannelMonitor)>, ChannelError> {
 		assert_eq!(self.channel_state & ChannelState::MonitorUpdateFailed as u32, 0);
 		if self.holding_cell_htlc_updates.len() != 0 || self.holding_cell_update_fee.is_some() {
+			log_trace!(self, "Freeing holding cell with {} HTLC updates{}", self.holding_cell_htlc_updates.len(), if self.holding_cell_update_fee.is_some() { " and a fee update" } else { "" });
+
 			let mut htlc_updates = Vec::new();
 			mem::swap(&mut htlc_updates, &mut self.holding_cell_htlc_updates);
 			let mut update_add_htlcs = Vec::with_capacity(htlc_updates.len());