log_debug information about network graph updates from payments

diff --git a/lightning/src/routing/network_graph.rs b/lightning/src/routing/network_graph.rs
index b4448f72204b30d8e61841cc9e8563700685283b..2c55d0a1d525c7f16450983698f120109a0843fc 100644 (file)
--- a/lightning/src/routing/network_graph.rs
+++ b/lightning/src/routing/network_graph.rs
@@ -169,12 +169,16 @@ impl<C: Deref , L: Deref > RoutingMessageHandler for NetGraphMsgHandler<C, L> wh
        fn handle_htlc_fail_channel_update(&self, update: &msgs::HTLCFailChannelUpdate) {
                match update {
                        &msgs::HTLCFailChannelUpdate::ChannelUpdateMessage { ref msg } => {
+                               let chan_enabled = msg.contents.flags & (1 << 1) != (1 << 1);
+                               log_debug!(self.logger, "Updating channel with channel_update from a payment failure. Channel {} is {}abled.", msg.contents.short_channel_id, if chan_enabled { "en" } else { "dis" });
                                let _ = self.network_graph.write().unwrap().update_channel(msg, &self.secp_ctx);
                        },
                        &msgs::HTLCFailChannelUpdate::ChannelClosed { short_channel_id, is_permanent } => {
+                               log_debug!(self.logger, "{} channel graph entry for {} due to a payment failure.", if is_permanent { "Removing" } else { "Disabling" }, short_channel_id);
                                self.network_graph.write().unwrap().close_channel_from_update(short_channel_id, is_permanent);
                        },
                        &msgs::HTLCFailChannelUpdate::NodeFailure { ref node_id, is_permanent } => {
+                               log_debug!(self.logger, "{} node graph entry for {} due to a payment failure.", if is_permanent { "Removing" } else { "Disabling" }, node_id);
                                self.network_graph.write().unwrap().fail_node(node_id, is_permanent);
                        },
                }