Fix channelmonitor fuzz test failure

[rust-lightning] / src / util / test_utils.rs

diff --git a/src/util/test_utils.rs b/src/util/test_utils.rs
index 658758328626cbf18f4b5c4e6c902e1559a6ed25..6647020f6b3d266d9b683796e9c76e1d75f13333 100644 (file)
--- a/src/util/test_utils.rs
+++ b/src/util/test_utils.rs
@@ -30,6 +30,10 @@ impl TestChannelMonitor {
 }
 impl channelmonitor::ManyChannelMonitor for TestChannelMonitor {
        fn add_update_monitor(&self, funding_txo: OutPoint, monitor: channelmonitor::ChannelMonitor) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
+               // At every point where we get a monitor update, we should be able to send a useful monitor
+               // to a watchtower and disk...
+               assert!(channelmonitor::ChannelMonitor::deserialize(&monitor.serialize_for_disk()[..]).unwrap() == monitor);
+               monitor.serialize_for_watchtower(); // This at least shouldn't crash...
                self.added_monitors.lock().unwrap().push((funding_txo, monitor.clone()));
                self.simple_monitor.add_update_monitor(funding_txo, monitor)
        }