//! here. See also the chanmon_fail_consistency fuzz test.
use chain::transaction::OutPoint;
-use ln::channelmanager::{RAACommitmentOrder, PaymentPreimage, PaymentHash, PaymentSendFailure};
+use ln::channelmanager::{RAACommitmentOrder, PaymentPreimage, PaymentHash, PaymentSecret, PaymentSendFailure};
use ln::channelmonitor::ChannelMonitorUpdateErr;
use ln::features::InitFeatures;
use ln::msgs;
claim_payment(&nodes[0], &[&nodes[1]], payment_preimage_2, 1_000_000);
}
-// Note that restore_between_fails with !fail_on_generate is useless
-// Also note that !fail_on_generate && !fail_on_signed is useless
-// Finally, note that !fail_on_signed is not possible with fail_on_generate && !restore_between_fails
// confirm_a_first and restore_b_before_conf are wholly unrelated to earlier bools and
// restore_b_before_conf has no meaning if !confirm_a_first
-fn do_during_funding_monitor_fail(fail_on_generate: bool, restore_between_fails: bool, fail_on_signed: bool, confirm_a_first: bool, restore_b_before_conf: bool) {
+fn do_during_funding_monitor_fail(confirm_a_first: bool, restore_b_before_conf: bool) {
// Test that if the monitor update generated by funding_transaction_generated fails we continue
// the channel setup happily after the update is restored.
let chanmon_cfgs = create_chanmon_cfgs(2);
let (temporary_channel_id, funding_tx, funding_output) = create_funding_transaction(&nodes[0], 100000, 43);
- if fail_on_generate {
- *nodes[0].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
- }
nodes[0].node.funding_transaction_generated(&temporary_channel_id, funding_output);
- check_added_monitors!(nodes[0], 1);
+ check_added_monitors!(nodes[0], 0);
*nodes[1].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
let funding_created_msg = get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id());
nodes[1].node.handle_funding_created(&nodes[0].node.get_our_node_id(), &funding_created_msg);
check_added_monitors!(nodes[1], 1);
- if restore_between_fails {
- assert!(fail_on_generate);
- *nodes[0].chan_monitor.update_ret.lock().unwrap() = Ok(());
- let (outpoint, latest_update) = nodes[0].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
- nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
- check_added_monitors!(nodes[0], 0);
- assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
- assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
- }
-
- if fail_on_signed {
- *nodes[0].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
- } else {
- assert!(restore_between_fails || !fail_on_generate); // We can't switch to good now (there's no monitor update)
- assert!(fail_on_generate); // Somebody has to fail
- }
+ *nodes[0].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
nodes[0].node.handle_funding_signed(&nodes[1].node.get_our_node_id(), &get_event_msg!(nodes[1], MessageSendEvent::SendFundingSigned, nodes[0].node.get_our_node_id()));
- if fail_on_signed || !restore_between_fails {
- assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
- if fail_on_generate && !restore_between_fails {
- nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Previous monitor update failure prevented funding_signed from allowing funding broadcast".to_string(), 1);
- check_added_monitors!(nodes[0], 1);
- } else {
- nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Failed to update ChannelMonitor".to_string(), 1);
- check_added_monitors!(nodes[0], 1);
- }
- assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
- *nodes[0].chan_monitor.update_ret.lock().unwrap() = Ok(());
- let (outpoint, latest_update) = nodes[0].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
- nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
- check_added_monitors!(nodes[0], 0);
- } else {
- check_added_monitors!(nodes[0], 1);
- }
+ assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
+ nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Failed to update ChannelMonitor".to_string(), 1);
+ check_added_monitors!(nodes[0], 1);
+ assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
+ *nodes[0].chan_monitor.update_ret.lock().unwrap() = Ok(());
+ let (outpoint, latest_update) = nodes[0].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
+ nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+ check_added_monitors!(nodes[0], 0);
let events = nodes[0].node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
#[test]
fn during_funding_monitor_fail() {
- do_during_funding_monitor_fail(false, false, true, true, true);
- do_during_funding_monitor_fail(true, false, true, false, false);
- do_during_funding_monitor_fail(true, true, true, true, false);
- do_during_funding_monitor_fail(true, true, false, false, false);
+ do_during_funding_monitor_fail(true, true);
+ do_during_funding_monitor_fail(true, false);
+ do_during_funding_monitor_fail(false, false);
+}
+
+#[test]
+fn test_path_paused_mpp() {
+ // Simple test of sending a multi-part payment where one path is currently blocked awaiting
+ // monitor update
+ let chanmon_cfgs = create_chanmon_cfgs(4);
+ let node_cfgs = create_node_cfgs(4, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(4, &node_cfgs, &[None, None, None, None]);
+ let mut nodes = create_network(4, &node_cfgs, &node_chanmgrs);
+
+ let chan_1_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()).0.contents.short_channel_id;
+ let (chan_2_ann, _, chan_2_id, _) = create_announced_chan_between_nodes(&nodes, 0, 2, InitFeatures::supported(), InitFeatures::supported());
+ let chan_3_id = create_announced_chan_between_nodes(&nodes, 1, 3, InitFeatures::supported(), InitFeatures::supported()).0.contents.short_channel_id;
+ let chan_4_id = create_announced_chan_between_nodes(&nodes, 2, 3, InitFeatures::supported(), InitFeatures::supported()).0.contents.short_channel_id;
+
+ let (payment_preimage, payment_hash) = get_payment_preimage_hash!(&nodes[0]);
+ let payment_secret = PaymentSecret([0xdb; 32]);
+ let mut route = nodes[0].router.get_route(&nodes[3].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV).unwrap();
+
+ // Set us up to take multiple routes, one 0 -> 1 -> 3 and one 0 -> 2 -> 3:
+ let path = route.paths[0].clone();
+ route.paths.push(path);
+ route.paths[0][0].pubkey = nodes[1].node.get_our_node_id();
+ route.paths[0][0].short_channel_id = chan_1_id;
+ route.paths[0][1].short_channel_id = chan_3_id;
+ route.paths[1][0].pubkey = nodes[2].node.get_our_node_id();
+ route.paths[1][0].short_channel_id = chan_2_ann.contents.short_channel_id;
+ route.paths[1][1].short_channel_id = chan_4_id;
+
+ // Set it so that the first monitor update (for the path 0 -> 1 -> 3) succeeds, but the second
+ // (for the path 0 -> 2 -> 3) fails.
+ *nodes[0].chan_monitor.update_ret.lock().unwrap() = Ok(());
+ *nodes[0].chan_monitor.next_update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+
+ // Now check that we get the right return value, indicating that the first path succeeded but
+ // the second got a MonitorUpdateFailed err. This implies PaymentSendFailure::PartialFailure as
+ // some paths succeeded, preventing retry.
+ if let Err(PaymentSendFailure::PartialFailure(results)) = nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret)) {
+ assert_eq!(results.len(), 2);
+ if let Ok(()) = results[0] {} else { panic!(); }
+ if let Err(APIError::MonitorUpdateFailed) = results[1] {} else { panic!(); }
+ } else { panic!(); }
+ check_added_monitors!(nodes[0], 2);
+ *nodes[0].chan_monitor.update_ret.lock().unwrap() = Ok(());
+
+ // Pass the first HTLC of the payment along to nodes[3].
+ let mut events = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 1);
+ pass_along_path(&nodes[0], &[&nodes[1], &nodes[3]], 0, payment_hash.clone(), Some(payment_secret), events.pop().unwrap(), false);
+
+ // And check that, after we successfully update the monitor for chan_2 we can pass the second
+ // HTLC along to nodes[3] and claim the whole payment back to nodes[0].
+ let (outpoint, latest_update) = nodes[0].chan_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_2_id).unwrap().clone();
+ nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
+ let mut events = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 1);
+ pass_along_path(&nodes[0], &[&nodes[2], &nodes[3]], 200_000, payment_hash.clone(), Some(payment_secret), events.pop().unwrap(), true);
+
+ claim_payment_along_route_with_secret(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], false, payment_preimage, Some(payment_secret), 200_000);
}