Merge pull request #2557 from waterson/stale-monitor-force-close-debugging

Log each condition that was violated for a stale monitor

diff --git a/lightning/src/ln/channelmanager.rs b/lightning/src/ln/channelmanager.rs
index cff9837fcebb8f437e911f2872057e5a490631f6..5f4ea2969f98478352b99af5098b9a55918cf270 100644 (file)
--- a/lightning/src/ln/channelmanager.rs
+++ b/lightning/src/ln/channelmanager.rs
@@ -8637,8 +8637,22 @@ where
                                        // But if the channel is behind of the monitor, close the channel:
                                        log_error!(args.logger, "A ChannelManager is stale compared to the current ChannelMonitor!");
                                        log_error!(args.logger, " The channel will be force-closed and the latest commitment transaction from the ChannelMonitor broadcast.");
-                                       log_error!(args.logger, " The ChannelMonitor for channel {} is at update_id {} but the ChannelManager is at update_id {}.",
-                                               &channel.context.channel_id(), monitor.get_latest_update_id(), channel.context.get_latest_monitor_update_id());
+                                       if channel.context.get_latest_monitor_update_id() < monitor.get_latest_update_id() {
+                                               log_error!(args.logger, " The ChannelMonitor for channel {} is at update_id {} but the ChannelManager is at update_id {}.",
+                                                       &channel.context.channel_id(), monitor.get_latest_update_id(), channel.context.get_latest_monitor_update_id());
+                                       }
+                                       if channel.get_cur_holder_commitment_transaction_number() > monitor.get_cur_holder_commitment_number() {
+                                               log_error!(args.logger, " The ChannelMonitor for channel {} is at holder commitment number {} but the ChannelManager is at holder commitment number {}.",
+                                                       &channel.context.channel_id(), monitor.get_cur_holder_commitment_number(), channel.get_cur_holder_commitment_transaction_number());
+                                       }
+                                       if channel.get_revoked_counterparty_commitment_transaction_number() > monitor.get_min_seen_secret() {
+                                               log_error!(args.logger, " The ChannelMonitor for channel {} is at revoked counterparty transaction number {} but the ChannelManager is at revoked counterparty transaction number {}.",
+                                                       &channel.context.channel_id(), monitor.get_min_seen_secret(), channel.get_revoked_counterparty_commitment_transaction_number());
+                                       }
+                                       if channel.get_cur_counterparty_commitment_transaction_number() > monitor.get_cur_counterparty_commitment_number() {
+                                               log_error!(args.logger, " The ChannelMonitor for channel {} is at counterparty commitment transaction number {} but the ChannelManager is at counterparty commitment transaction number {}.",
+                                                       &channel.context.channel_id(), monitor.get_cur_counterparty_commitment_number(), channel.get_cur_counterparty_commitment_transaction_number());
+                                       }
                                        let (monitor_update, mut new_failed_htlcs) = channel.context.force_shutdown(true);
                                        if let Some((counterparty_node_id, funding_txo, update)) = monitor_update {
                                                close_background_events.push(BackgroundEvent::MonitorUpdateRegeneratedOnStartup {