Allow manually passing a timestamp to `channel_failed`. Fixes #1914.

diff --git a/lightning/src/routing/gossip.rs b/lightning/src/routing/gossip.rs
index d90e4c437939d588beba4b209fc6e4bdc9e11a90..d31d08f5ffb9c72466cc8825472109d1f8849b19 100644 (file)
--- a/lightning/src/routing/gossip.rs
+++ b/lightning/src/routing/gossip.rs
@@ -1541,6 +1541,14 @@ impl<L: Deref> NetworkGraph<L> where L::Target: Logger {
                #[cfg(not(feature = "std"))]
                let current_time_unix = None;
 
+               self.channel_failed_with_time(short_channel_id, is_permanent, current_time_unix)
+       }
+
+       /// Marks a channel in the graph as failed if a corresponding HTLC fail was sent.
+       /// If permanent, removes a channel from the local storage.
+       /// May cause the removal of nodes too, if this was their last channel.
+       /// If not permanent, makes channels unavailable for routing.
+       fn channel_failed_with_time(&self, short_channel_id: u64, is_permanent: bool, current_time_unix: Option<u64>) {
                let mut channels = self.channels.write().unwrap();
                if is_permanent {
                        if let Some(chan) = channels.remove(&short_channel_id) {
@@ -2537,7 +2545,7 @@ mod tests {
 
                        // Mark the channel as permanently failed. This will also remove the two nodes
                        // and all of the entries will be tracked as removed.
-                       network_graph.channel_failed(short_channel_id, true);
+                       network_graph.channel_failed_with_time(short_channel_id, true, Some(tracking_time));
 
                        // Should not remove from tracking if insufficient time has passed
                        network_graph.remove_stale_channels_and_tracking_with_time(