+ check_added_monitors!(nodes[1], 1);
+ let remote_txn = get_local_commitment_txn!(nodes[1], channel.2);
+ assert_eq!(remote_txn.len(), 2);
+
+ // Temp-fail the block connection which will hold the channel-closed event
+ chanmon_cfgs[0].persister.chain_sync_monitor_persistences.lock().unwrap().clear();
+ chanmon_cfgs[0].persister.set_update_ret(ChannelMonitorUpdateStatus::InProgress);
+
+ // Connect B's commitment transaction, but only to the ChainMonitor/ChannelMonitor. The
+ // channel is now closed, but the ChannelManager doesn't know that yet.
+ let new_header = BlockHeader {
+ version: 2, time: 0, bits: 0, nonce: 0,
+ prev_blockhash: nodes[0].best_block_info().0,
+ merkle_root: TxMerkleNode::all_zeros() };
+ nodes[0].chain_monitor.chain_monitor.transactions_confirmed(&new_header,
+ &[(0, &remote_txn[0]), (1, &remote_txn[1])], nodes[0].best_block_info().1 + 1);
+ assert!(nodes[0].chain_monitor.release_pending_monitor_events().is_empty());
+ nodes[0].chain_monitor.chain_monitor.best_block_updated(&new_header, nodes[0].best_block_info().1 + 1);
+ assert!(nodes[0].chain_monitor.release_pending_monitor_events().is_empty());
+
+ // If the ChannelManager tries to update the channel, however, the ChainMonitor will pass
+ // the update through to the ChannelMonitor which will refuse it (as the channel is closed).
+ chanmon_cfgs[0].persister.set_update_ret(ChannelMonitorUpdateStatus::Completed);
+ unwrap_send_err!(nodes[0].node.send_payment(&route, second_payment_hash, &Some(second_payment_secret), PaymentId(second_payment_hash.0)),
+ true, APIError::ChannelUnavailable { ref err },
+ assert!(err.contains("ChannelMonitor storage failure")));
+ check_added_monitors!(nodes[0], 2); // After the failure we generate a close-channel monitor update
+ check_closed_broadcast!(nodes[0], true);
+ check_closed_event!(nodes[0], 1, ClosureReason::ProcessingError { err: "ChannelMonitor storage failure".to_string() });
+
+ // However, as the ChainMonitor is still waiting for the original persistence to complete,
+ // it won't yet release the MonitorEvents.
+ assert!(nodes[0].chain_monitor.release_pending_monitor_events().is_empty());
+
+ if block_timeout {
+ // After three blocks, pending MontiorEvents should be released either way.
+ let latest_header = BlockHeader {
+ version: 2, time: 0, bits: 0, nonce: 0,
+ prev_blockhash: nodes[0].best_block_info().0,
+ merkle_root: TxMerkleNode::all_zeros() };
+ nodes[0].chain_monitor.chain_monitor.best_block_updated(&latest_header, nodes[0].best_block_info().1 + LATENCY_GRACE_PERIOD_BLOCKS);
+ } else {
+ let persistences = chanmon_cfgs[0].persister.chain_sync_monitor_persistences.lock().unwrap().clone();
+ for (funding_outpoint, update_ids) in persistences {
+ for update_id in update_ids {
+ nodes[0].chain_monitor.chain_monitor.channel_monitor_updated(funding_outpoint, update_id).unwrap();
+ }
+ }
+ }
+
+ expect_payment_sent!(nodes[0], payment_preimage);
+ }
+
+ #[test]
+ fn chainsync_pauses_events() {
+ do_chainsync_pauses_events(false);
+ do_chainsync_pauses_events(true);
+ }
+
+ #[test]
+ fn update_during_chainsync_fails_channel() {
+ let chanmon_cfgs = create_chanmon_cfgs(2);
+ let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
+ let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+ create_announced_chan_between_nodes(&nodes, 0, 1);
+
+ chanmon_cfgs[0].persister.chain_sync_monitor_persistences.lock().unwrap().clear();
+ chanmon_cfgs[0].persister.set_update_ret(ChannelMonitorUpdateStatus::PermanentFailure);
+
+ connect_blocks(&nodes[0], 1);
+ // Before processing events, the ChannelManager will still think the Channel is open and
+ // there won't be any ChannelMonitorUpdates
+ assert_eq!(nodes[0].node.list_channels().len(), 1);
+ check_added_monitors!(nodes[0], 0);
+ // ... however once we get events once, the channel will close, creating a channel-closed
+ // ChannelMonitorUpdate.
+ check_closed_broadcast!(nodes[0], true);
+ check_closed_event!(nodes[0], 1, ClosureReason::ProcessingError { err: "Failed to persist ChannelMonitor update during chain sync".to_string() });
+ check_added_monitors!(nodes[0], 1);