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0c31c6f162
When using the normal default constructors, we should have some fee maximum to ensure our default behavior is safe. Here we pick 1% + 50 sats to ensure we're always willing to pay reasonabl(y high) fees, but not anything too wild.
4119 lines
199 KiB
Rust
4119 lines
199 KiB
Rust
// This file is Copyright its original authors, visible in version control
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// history.
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//
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// This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE
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// or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
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// You may not use this file except in accordance with one or both of these
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// licenses.
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//! Tests that test the payment retry logic in ChannelManager, including various edge-cases around
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//! serialization ordering between ChannelManager/ChannelMonitors and ensuring we can still retry
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//! payments thereafter.
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use crate::chain::{ChannelMonitorUpdateStatus, Confirm, Listen, Watch};
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use crate::chain::channelmonitor::{ANTI_REORG_DELAY, HTLC_FAIL_BACK_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS};
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use crate::sign::EntropySource;
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use crate::chain::transaction::OutPoint;
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use crate::events::{ClosureReason, Event, HTLCDestination, MessageSendEvent, MessageSendEventsProvider, PathFailure, PaymentFailureReason, PaymentPurpose};
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use crate::ln::channel::EXPIRE_PREV_CONFIG_TICKS;
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use crate::ln::channelmanager::{BREAKDOWN_TIMEOUT, MPP_TIMEOUT_TICKS, MIN_CLTV_EXPIRY_DELTA, PaymentId, PaymentSendFailure, RecentPaymentDetails, RecipientOnionFields, HTLCForwardInfo, PendingHTLCRouting, PendingAddHTLCInfo};
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use crate::ln::features::Bolt11InvoiceFeatures;
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use crate::ln::{msgs, ChannelId, PaymentSecret, PaymentPreimage};
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use crate::ln::msgs::ChannelMessageHandler;
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use crate::ln::outbound_payment::{IDEMPOTENCY_TIMEOUT_TICKS, Retry};
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use crate::routing::gossip::{EffectiveCapacity, RoutingFees};
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use crate::routing::router::{get_route, Path, PaymentParameters, Route, Router, RouteHint, RouteHintHop, RouteHop, RouteParameters, find_route};
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use crate::routing::scoring::ChannelUsage;
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use crate::util::config::UserConfig;
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use crate::util::test_utils;
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use crate::util::errors::APIError;
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use crate::util::ser::Writeable;
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use crate::util::string::UntrustedString;
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use bitcoin::network::constants::Network;
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use crate::prelude::*;
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use crate::ln::functional_test_utils::*;
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use crate::routing::gossip::NodeId;
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#[cfg(feature = "std")]
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use {
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crate::util::time::tests::SinceEpoch,
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std::time::{SystemTime, Instant, Duration}
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};
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#[test]
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fn mpp_failure() {
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let chanmon_cfgs = create_chanmon_cfgs(4);
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let node_cfgs = create_node_cfgs(4, &chanmon_cfgs);
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let node_chanmgrs = create_node_chanmgrs(4, &node_cfgs, &[None, None, None, None]);
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let nodes = create_network(4, &node_cfgs, &node_chanmgrs);
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let chan_1_id = create_announced_chan_between_nodes(&nodes, 0, 1).0.contents.short_channel_id;
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let chan_2_id = create_announced_chan_between_nodes(&nodes, 0, 2).0.contents.short_channel_id;
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let chan_3_id = create_announced_chan_between_nodes(&nodes, 1, 3).0.contents.short_channel_id;
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let chan_4_id = create_announced_chan_between_nodes(&nodes, 2, 3).0.contents.short_channel_id;
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let (mut route, payment_hash, _, payment_secret) = get_route_and_payment_hash!(&nodes[0], nodes[3], 100000);
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let path = route.paths[0].clone();
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route.paths.push(path);
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route.paths[0].hops[0].pubkey = nodes[1].node.get_our_node_id();
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route.paths[0].hops[0].short_channel_id = chan_1_id;
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route.paths[0].hops[1].short_channel_id = chan_3_id;
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route.paths[1].hops[0].pubkey = nodes[2].node.get_our_node_id();
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route.paths[1].hops[0].short_channel_id = chan_2_id;
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route.paths[1].hops[1].short_channel_id = chan_4_id;
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send_along_route_with_secret(&nodes[0], route, &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], 200_000, payment_hash, payment_secret);
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fail_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], false, payment_hash);
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}
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#[test]
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fn mpp_retry() {
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let chanmon_cfgs = create_chanmon_cfgs(4);
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let node_cfgs = create_node_cfgs(4, &chanmon_cfgs);
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let node_chanmgrs = create_node_chanmgrs(4, &node_cfgs, &[None, None, None, None]);
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let nodes = create_network(4, &node_cfgs, &node_chanmgrs);
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let (chan_1_update, _, _, _) = create_announced_chan_between_nodes(&nodes, 0, 1);
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let (chan_2_update, _, _, _) = create_announced_chan_between_nodes(&nodes, 0, 2);
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let (chan_3_update, _, _, _) = create_announced_chan_between_nodes(&nodes, 1, 3);
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let (chan_4_update, _, chan_4_id, _) = create_announced_chan_between_nodes(&nodes, 3, 2);
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// Rebalance
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send_payment(&nodes[3], &vec!(&nodes[2])[..], 1_500_000);
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let amt_msat = 1_000_000;
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let max_total_routing_fee_msat = 50_000;
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let payment_params = PaymentParameters::from_node_id(nodes[3].node.get_our_node_id(), TEST_FINAL_CLTV)
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.with_bolt11_features(nodes[3].node.invoice_features()).unwrap();
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let (mut route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(
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nodes[0], nodes[3], payment_params, amt_msat, Some(max_total_routing_fee_msat));
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let path = route.paths[0].clone();
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route.paths.push(path);
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route.paths[0].hops[0].pubkey = nodes[1].node.get_our_node_id();
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route.paths[0].hops[0].short_channel_id = chan_1_update.contents.short_channel_id;
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route.paths[0].hops[1].short_channel_id = chan_3_update.contents.short_channel_id;
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route.paths[1].hops[0].pubkey = nodes[2].node.get_our_node_id();
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route.paths[1].hops[0].short_channel_id = chan_2_update.contents.short_channel_id;
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route.paths[1].hops[1].short_channel_id = chan_4_update.contents.short_channel_id;
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// Initiate the MPP payment.
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let payment_id = PaymentId(payment_hash.0);
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let mut route_params = route.route_params.clone().unwrap();
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nodes[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
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nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
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payment_id, route_params.clone(), Retry::Attempts(1)).unwrap();
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check_added_monitors!(nodes[0], 2); // one monitor per path
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let mut events = nodes[0].node.get_and_clear_pending_msg_events();
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assert_eq!(events.len(), 2);
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// Pass half of the payment along the success path.
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let success_path_msgs = remove_first_msg_event_to_node(&nodes[1].node.get_our_node_id(), &mut events);
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pass_along_path(&nodes[0], &[&nodes[1], &nodes[3]], 2_000_000, payment_hash, Some(payment_secret), success_path_msgs, false, None);
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// Add the HTLC along the first hop.
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let fail_path_msgs_1 = remove_first_msg_event_to_node(&nodes[2].node.get_our_node_id(), &mut events);
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let (update_add, commitment_signed) = match fail_path_msgs_1 {
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MessageSendEvent::UpdateHTLCs { node_id: _, updates: msgs::CommitmentUpdate { ref update_add_htlcs, ref update_fulfill_htlcs, ref update_fail_htlcs, ref update_fail_malformed_htlcs, ref update_fee, ref commitment_signed } } => {
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assert_eq!(update_add_htlcs.len(), 1);
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assert!(update_fail_htlcs.is_empty());
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assert!(update_fulfill_htlcs.is_empty());
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assert!(update_fail_malformed_htlcs.is_empty());
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assert!(update_fee.is_none());
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(update_add_htlcs[0].clone(), commitment_signed.clone())
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},
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_ => panic!("Unexpected event"),
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};
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nodes[2].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &update_add);
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commitment_signed_dance!(nodes[2], nodes[0], commitment_signed, false);
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// Attempt to forward the payment and complete the 2nd path's failure.
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expect_pending_htlcs_forwardable!(&nodes[2]);
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expect_pending_htlcs_forwardable_and_htlc_handling_failed!(&nodes[2], vec![HTLCDestination::NextHopChannel { node_id: Some(nodes[3].node.get_our_node_id()), channel_id: chan_4_id }]);
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let htlc_updates = get_htlc_update_msgs!(nodes[2], nodes[0].node.get_our_node_id());
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assert!(htlc_updates.update_add_htlcs.is_empty());
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assert_eq!(htlc_updates.update_fail_htlcs.len(), 1);
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assert!(htlc_updates.update_fulfill_htlcs.is_empty());
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assert!(htlc_updates.update_fail_malformed_htlcs.is_empty());
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check_added_monitors!(nodes[2], 1);
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nodes[0].node.handle_update_fail_htlc(&nodes[2].node.get_our_node_id(), &htlc_updates.update_fail_htlcs[0]);
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commitment_signed_dance!(nodes[0], nodes[2], htlc_updates.commitment_signed, false);
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let mut events = nodes[0].node.get_and_clear_pending_events();
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match events[1] {
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Event::PendingHTLCsForwardable { .. } => {},
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_ => panic!("Unexpected event")
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}
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events.remove(1);
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expect_payment_failed_conditions_event(events, payment_hash, false, PaymentFailedConditions::new().mpp_parts_remain());
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// Rebalance the channel so the second half of the payment can succeed.
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send_payment(&nodes[3], &vec!(&nodes[2])[..], 1_500_000);
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// Retry the second half of the payment and make sure it succeeds.
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route.paths.remove(0);
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route_params.final_value_msat = 1_000_000;
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route_params.payment_params.previously_failed_channels.push(chan_4_update.contents.short_channel_id);
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// Check the remaining max total routing fee for the second attempt is 50_000 - 1_000 msat fee
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// used by the first path
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route_params.max_total_routing_fee_msat = Some(max_total_routing_fee_msat - 1_000);
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nodes[0].router.expect_find_route(route_params, Ok(route));
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nodes[0].node.process_pending_htlc_forwards();
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check_added_monitors!(nodes[0], 1);
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let mut events = nodes[0].node.get_and_clear_pending_msg_events();
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assert_eq!(events.len(), 1);
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pass_along_path(&nodes[0], &[&nodes[2], &nodes[3]], 2_000_000, payment_hash, Some(payment_secret), events.pop().unwrap(), true, None);
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claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], false, payment_preimage);
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}
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#[test]
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fn mpp_retry_overpay() {
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// We create an MPP scenario with two paths in which we need to overpay to reach
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// htlc_minimum_msat. We then fail the overpaid path and check that on retry our
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// max_total_routing_fee_msat only accounts for the path's fees, but not for the fees overpaid
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// in the first attempt.
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let chanmon_cfgs = create_chanmon_cfgs(4);
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let node_cfgs = create_node_cfgs(4, &chanmon_cfgs);
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let mut user_config = test_default_channel_config();
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user_config.channel_handshake_config.max_inbound_htlc_value_in_flight_percent_of_channel = 100;
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let mut limited_config_1 = user_config.clone();
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limited_config_1.channel_handshake_config.our_htlc_minimum_msat = 35_000_000;
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let mut limited_config_2 = user_config.clone();
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limited_config_2.channel_handshake_config.our_htlc_minimum_msat = 34_500_000;
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let node_chanmgrs = create_node_chanmgrs(4, &node_cfgs,
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&[Some(user_config), Some(limited_config_1), Some(limited_config_2), Some(user_config)]);
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let nodes = create_network(4, &node_cfgs, &node_chanmgrs);
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let (chan_1_update, _, _, _) = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 40_000, 0);
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let (chan_2_update, _, _, _) = create_announced_chan_between_nodes_with_value(&nodes, 0, 2, 40_000, 0);
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let (_chan_3_update, _, _, _) = create_announced_chan_between_nodes_with_value(&nodes, 1, 3, 40_000, 0);
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let (chan_4_update, _, chan_4_id, _) = create_announced_chan_between_nodes_with_value(&nodes, 3, 2, 40_000, 0);
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let amt_msat = 70_000_000;
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let max_total_routing_fee_msat = Some(1_000_000);
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let payment_params = PaymentParameters::from_node_id(nodes[3].node.get_our_node_id(), TEST_FINAL_CLTV)
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.with_bolt11_features(nodes[3].node.invoice_features()).unwrap();
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let (mut route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(
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nodes[0], nodes[3], payment_params, amt_msat, max_total_routing_fee_msat);
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// Check we overpay on the second path which we're about to fail.
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assert_eq!(chan_1_update.contents.fee_proportional_millionths, 0);
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let overpaid_amount_1 = route.paths[0].fee_msat() as u32 - chan_1_update.contents.fee_base_msat;
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assert_eq!(overpaid_amount_1, 0);
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assert_eq!(chan_2_update.contents.fee_proportional_millionths, 0);
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let overpaid_amount_2 = route.paths[1].fee_msat() as u32 - chan_2_update.contents.fee_base_msat;
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let total_overpaid_amount = overpaid_amount_1 + overpaid_amount_2;
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// Initiate the payment.
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let payment_id = PaymentId(payment_hash.0);
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let mut route_params = route.route_params.clone().unwrap();
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nodes[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
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nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
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payment_id, route_params.clone(), Retry::Attempts(1)).unwrap();
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check_added_monitors!(nodes[0], 2); // one monitor per path
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let mut events = nodes[0].node.get_and_clear_pending_msg_events();
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assert_eq!(events.len(), 2);
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// Pass half of the payment along the success path.
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let success_path_msgs = remove_first_msg_event_to_node(&nodes[1].node.get_our_node_id(), &mut events);
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pass_along_path(&nodes[0], &[&nodes[1], &nodes[3]], amt_msat, payment_hash,
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Some(payment_secret), success_path_msgs, false, None);
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// Add the HTLC along the first hop.
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let fail_path_msgs_1 = remove_first_msg_event_to_node(&nodes[2].node.get_our_node_id(), &mut events);
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let (update_add, commitment_signed) = match fail_path_msgs_1 {
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MessageSendEvent::UpdateHTLCs {
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node_id: _,
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updates: msgs::CommitmentUpdate {
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ref update_add_htlcs, ref update_fulfill_htlcs, ref update_fail_htlcs,
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ref update_fail_malformed_htlcs, ref update_fee, ref commitment_signed
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}
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} => {
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assert_eq!(update_add_htlcs.len(), 1);
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assert!(update_fail_htlcs.is_empty());
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assert!(update_fulfill_htlcs.is_empty());
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assert!(update_fail_malformed_htlcs.is_empty());
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assert!(update_fee.is_none());
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(update_add_htlcs[0].clone(), commitment_signed.clone())
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},
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_ => panic!("Unexpected event"),
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};
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nodes[2].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &update_add);
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commitment_signed_dance!(nodes[2], nodes[0], commitment_signed, false);
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// Attempt to forward the payment and complete the 2nd path's failure.
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expect_pending_htlcs_forwardable!(&nodes[2]);
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expect_pending_htlcs_forwardable_and_htlc_handling_failed!(&nodes[2],
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vec![HTLCDestination::NextHopChannel {
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node_id: Some(nodes[3].node.get_our_node_id()), channel_id: chan_4_id
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}]
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);
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let htlc_updates = get_htlc_update_msgs!(nodes[2], nodes[0].node.get_our_node_id());
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assert!(htlc_updates.update_add_htlcs.is_empty());
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assert_eq!(htlc_updates.update_fail_htlcs.len(), 1);
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assert!(htlc_updates.update_fulfill_htlcs.is_empty());
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assert!(htlc_updates.update_fail_malformed_htlcs.is_empty());
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check_added_monitors!(nodes[2], 1);
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nodes[0].node.handle_update_fail_htlc(&nodes[2].node.get_our_node_id(),
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&htlc_updates.update_fail_htlcs[0]);
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commitment_signed_dance!(nodes[0], nodes[2], htlc_updates.commitment_signed, false);
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let mut events = nodes[0].node.get_and_clear_pending_events();
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match events[1] {
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Event::PendingHTLCsForwardable { .. } => {},
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_ => panic!("Unexpected event")
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}
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events.remove(1);
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expect_payment_failed_conditions_event(events, payment_hash, false,
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PaymentFailedConditions::new().mpp_parts_remain());
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// Rebalance the channel so the second half of the payment can succeed.
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send_payment(&nodes[3], &vec!(&nodes[2])[..], 38_000_000);
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// Retry the second half of the payment and make sure it succeeds.
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let first_path_value = route.paths[0].final_value_msat();
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assert_eq!(first_path_value, 36_000_000);
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route.paths.remove(0);
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route_params.final_value_msat -= first_path_value;
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route_params.payment_params.previously_failed_channels.push(chan_4_update.contents.short_channel_id);
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// Check the remaining max total routing fee for the second attempt accounts only for 1_000 msat
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// base fee, but not for overpaid value of the first try.
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route_params.max_total_routing_fee_msat.as_mut().map(|m| *m -= 1000);
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nodes[0].router.expect_find_route(route_params, Ok(route));
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nodes[0].node.process_pending_htlc_forwards();
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check_added_monitors!(nodes[0], 1);
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let mut events = nodes[0].node.get_and_clear_pending_msg_events();
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assert_eq!(events.len(), 1);
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pass_along_path(&nodes[0], &[&nodes[2], &nodes[3]], amt_msat, payment_hash,
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Some(payment_secret), events.pop().unwrap(), true, None);
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// Can't use claim_payment_along_route as it doesn't support overpayment, so we break out the
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// individual steps here.
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let extra_fees = vec![0, total_overpaid_amount];
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let expected_total_fee_msat = do_claim_payment_along_route_with_extra_penultimate_hop_fees(
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&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], &extra_fees[..], false,
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payment_preimage);
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expect_payment_sent!(&nodes[0], payment_preimage, Some(expected_total_fee_msat));
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}
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fn do_mpp_receive_timeout(send_partial_mpp: bool) {
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let chanmon_cfgs = create_chanmon_cfgs(4);
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let node_cfgs = create_node_cfgs(4, &chanmon_cfgs);
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let node_chanmgrs = create_node_chanmgrs(4, &node_cfgs, &[None, None, None, None]);
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let nodes = create_network(4, &node_cfgs, &node_chanmgrs);
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let (chan_1_update, _, _, _) = create_announced_chan_between_nodes(&nodes, 0, 1);
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let (chan_2_update, _, _, _) = create_announced_chan_between_nodes(&nodes, 0, 2);
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let (chan_3_update, _, chan_3_id, _) = create_announced_chan_between_nodes(&nodes, 1, 3);
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let (chan_4_update, _, _, _) = create_announced_chan_between_nodes(&nodes, 2, 3);
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|
|
|
let (mut route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[3], 100_000);
|
|
let path = route.paths[0].clone();
|
|
route.paths.push(path);
|
|
route.paths[0].hops[0].pubkey = nodes[1].node.get_our_node_id();
|
|
route.paths[0].hops[0].short_channel_id = chan_1_update.contents.short_channel_id;
|
|
route.paths[0].hops[1].short_channel_id = chan_3_update.contents.short_channel_id;
|
|
route.paths[1].hops[0].pubkey = nodes[2].node.get_our_node_id();
|
|
route.paths[1].hops[0].short_channel_id = chan_2_update.contents.short_channel_id;
|
|
route.paths[1].hops[1].short_channel_id = chan_4_update.contents.short_channel_id;
|
|
|
|
// Initiate the MPP payment.
|
|
nodes[0].node.send_payment_with_route(&route, payment_hash,
|
|
RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0)).unwrap();
|
|
check_added_monitors!(nodes[0], 2); // one monitor per path
|
|
let mut events = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(events.len(), 2);
|
|
|
|
// Pass half of the payment along the first path.
|
|
let node_1_msgs = remove_first_msg_event_to_node(&nodes[1].node.get_our_node_id(), &mut events);
|
|
pass_along_path(&nodes[0], &[&nodes[1], &nodes[3]], 200_000, payment_hash, Some(payment_secret), node_1_msgs, false, None);
|
|
|
|
if send_partial_mpp {
|
|
// Time out the partial MPP
|
|
for _ in 0..MPP_TIMEOUT_TICKS {
|
|
nodes[3].node.timer_tick_occurred();
|
|
}
|
|
|
|
// Failed HTLC from node 3 -> 1
|
|
expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[3], vec![HTLCDestination::FailedPayment { payment_hash }]);
|
|
let htlc_fail_updates_3_1 = get_htlc_update_msgs!(nodes[3], nodes[1].node.get_our_node_id());
|
|
assert_eq!(htlc_fail_updates_3_1.update_fail_htlcs.len(), 1);
|
|
nodes[1].node.handle_update_fail_htlc(&nodes[3].node.get_our_node_id(), &htlc_fail_updates_3_1.update_fail_htlcs[0]);
|
|
check_added_monitors!(nodes[3], 1);
|
|
commitment_signed_dance!(nodes[1], nodes[3], htlc_fail_updates_3_1.commitment_signed, false);
|
|
|
|
// Failed HTLC from node 1 -> 0
|
|
expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[1], vec![HTLCDestination::NextHopChannel { node_id: Some(nodes[3].node.get_our_node_id()), channel_id: chan_3_id }]);
|
|
let htlc_fail_updates_1_0 = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
assert_eq!(htlc_fail_updates_1_0.update_fail_htlcs.len(), 1);
|
|
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &htlc_fail_updates_1_0.update_fail_htlcs[0]);
|
|
check_added_monitors!(nodes[1], 1);
|
|
commitment_signed_dance!(nodes[0], nodes[1], htlc_fail_updates_1_0.commitment_signed, false);
|
|
|
|
expect_payment_failed_conditions(&nodes[0], payment_hash, false, PaymentFailedConditions::new().mpp_parts_remain().expected_htlc_error_data(23, &[][..]));
|
|
} else {
|
|
// Pass half of the payment along the second path.
|
|
let node_2_msgs = remove_first_msg_event_to_node(&nodes[2].node.get_our_node_id(), &mut events);
|
|
pass_along_path(&nodes[0], &[&nodes[2], &nodes[3]], 200_000, payment_hash, Some(payment_secret), node_2_msgs, true, None);
|
|
|
|
// Even after MPP_TIMEOUT_TICKS we should not timeout the MPP if we have all the parts
|
|
for _ in 0..MPP_TIMEOUT_TICKS {
|
|
nodes[3].node.timer_tick_occurred();
|
|
}
|
|
|
|
claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], false, payment_preimage);
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn mpp_receive_timeout() {
|
|
do_mpp_receive_timeout(true);
|
|
do_mpp_receive_timeout(false);
|
|
}
|
|
|
|
#[test]
|
|
fn test_keysend_payments() {
|
|
do_test_keysend_payments(false, false);
|
|
do_test_keysend_payments(false, true);
|
|
do_test_keysend_payments(true, false);
|
|
do_test_keysend_payments(true, true);
|
|
}
|
|
|
|
fn do_test_keysend_payments(public_node: bool, with_retry: bool) {
|
|
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);
|
|
|
|
if public_node {
|
|
create_announced_chan_between_nodes(&nodes, 0, 1);
|
|
} else {
|
|
create_chan_between_nodes(&nodes[0], &nodes[1]);
|
|
}
|
|
let payer_pubkey = nodes[0].node.get_our_node_id();
|
|
let payee_pubkey = nodes[1].node.get_our_node_id();
|
|
let route_params = RouteParameters::from_payment_params_and_value(
|
|
PaymentParameters::for_keysend(payee_pubkey, 40, false), 10000);
|
|
|
|
let network_graph = nodes[0].network_graph.clone();
|
|
let channels = nodes[0].node.list_usable_channels();
|
|
let first_hops = channels.iter().collect::<Vec<_>>();
|
|
let first_hops = if public_node { None } else { Some(first_hops.as_slice()) };
|
|
|
|
let scorer = test_utils::TestScorer::new();
|
|
let random_seed_bytes = chanmon_cfgs[1].keys_manager.get_secure_random_bytes();
|
|
let route = find_route(
|
|
&payer_pubkey, &route_params, &network_graph, first_hops,
|
|
nodes[0].logger, &scorer, &Default::default(), &random_seed_bytes
|
|
).unwrap();
|
|
|
|
{
|
|
let test_preimage = PaymentPreimage([42; 32]);
|
|
if with_retry {
|
|
nodes[0].node.send_spontaneous_payment_with_retry(Some(test_preimage),
|
|
RecipientOnionFields::spontaneous_empty(), PaymentId(test_preimage.0),
|
|
route_params, Retry::Attempts(1)).unwrap()
|
|
} else {
|
|
nodes[0].node.send_spontaneous_payment(&route, Some(test_preimage),
|
|
RecipientOnionFields::spontaneous_empty(), PaymentId(test_preimage.0)).unwrap()
|
|
};
|
|
}
|
|
check_added_monitors!(nodes[0], 1);
|
|
let send_event = SendEvent::from_node(&nodes[0]);
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &send_event.msgs[0]);
|
|
do_commitment_signed_dance(&nodes[1], &nodes[0], &send_event.commitment_msg, false, false);
|
|
expect_pending_htlcs_forwardable!(nodes[1]);
|
|
// Previously, a refactor caused us to stop including the payment preimage in the onion which
|
|
// is sent as a part of keysend payments. Thus, to be extra careful here, we scope the preimage
|
|
// above to demonstrate that we have no way to get the preimage at this point except by
|
|
// extracting it from the onion nodes[1] received.
|
|
let event = nodes[1].node.get_and_clear_pending_events();
|
|
assert_eq!(event.len(), 1);
|
|
if let Event::PaymentClaimable { purpose: PaymentPurpose::SpontaneousPayment(preimage), .. } = event[0] {
|
|
claim_payment(&nodes[0], &[&nodes[1]], preimage);
|
|
} else { panic!(); }
|
|
}
|
|
|
|
#[test]
|
|
fn test_mpp_keysend() {
|
|
let mut mpp_keysend_config = test_default_channel_config();
|
|
mpp_keysend_config.accept_mpp_keysend = true;
|
|
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, Some(mpp_keysend_config)]);
|
|
let nodes = create_network(4, &node_cfgs, &node_chanmgrs);
|
|
|
|
create_announced_chan_between_nodes(&nodes, 0, 1);
|
|
create_announced_chan_between_nodes(&nodes, 0, 2);
|
|
create_announced_chan_between_nodes(&nodes, 1, 3);
|
|
create_announced_chan_between_nodes(&nodes, 2, 3);
|
|
let network_graph = nodes[0].network_graph.clone();
|
|
|
|
let payer_pubkey = nodes[0].node.get_our_node_id();
|
|
let payee_pubkey = nodes[3].node.get_our_node_id();
|
|
let recv_value = 15_000_000;
|
|
let route_params = RouteParameters::from_payment_params_and_value(
|
|
PaymentParameters::for_keysend(payee_pubkey, 40, true), recv_value);
|
|
let scorer = test_utils::TestScorer::new();
|
|
let random_seed_bytes = chanmon_cfgs[0].keys_manager.get_secure_random_bytes();
|
|
let route = find_route(&payer_pubkey, &route_params, &network_graph, None, nodes[0].logger,
|
|
&scorer, &Default::default(), &random_seed_bytes).unwrap();
|
|
|
|
let payment_preimage = PaymentPreimage([42; 32]);
|
|
let payment_secret = PaymentSecret(payment_preimage.0);
|
|
let payment_hash = nodes[0].node.send_spontaneous_payment(&route, Some(payment_preimage),
|
|
RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_preimage.0)).unwrap();
|
|
check_added_monitors!(nodes[0], 2);
|
|
|
|
let expected_route: &[&[&Node]] = &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]];
|
|
let mut events = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(events.len(), 2);
|
|
|
|
let ev = remove_first_msg_event_to_node(&nodes[1].node.get_our_node_id(), &mut events);
|
|
pass_along_path(&nodes[0], expected_route[0], recv_value, payment_hash.clone(),
|
|
Some(payment_secret), ev.clone(), false, Some(payment_preimage));
|
|
|
|
let ev = remove_first_msg_event_to_node(&nodes[2].node.get_our_node_id(), &mut events);
|
|
pass_along_path(&nodes[0], expected_route[1], recv_value, payment_hash.clone(),
|
|
Some(payment_secret), ev.clone(), true, Some(payment_preimage));
|
|
claim_payment_along_route(&nodes[0], expected_route, false, payment_preimage);
|
|
}
|
|
|
|
#[test]
|
|
fn test_reject_mpp_keysend_htlc() {
|
|
// This test enforces that we reject MPP keysend HTLCs if our config states we don't support
|
|
// MPP keysend. When receiving a payment, if we don't support MPP keysend we'll reject the
|
|
// payment if it's keysend and has a payment secret, never reaching our payment validation
|
|
// logic. To check that we enforce rejecting MPP keysends in our payment logic, here we send
|
|
// keysend payments without payment secrets, then modify them by adding payment secrets in the
|
|
// final node in between receiving the HTLCs and actually processing them.
|
|
let mut reject_mpp_keysend_cfg = test_default_channel_config();
|
|
reject_mpp_keysend_cfg.accept_mpp_keysend = false;
|
|
|
|
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, Some(reject_mpp_keysend_cfg)]);
|
|
let nodes = create_network(4, &node_cfgs, &node_chanmgrs);
|
|
let chan_1_id = create_announced_chan_between_nodes(&nodes, 0, 1).0.contents.short_channel_id;
|
|
let chan_2_id = create_announced_chan_between_nodes(&nodes, 0, 2).0.contents.short_channel_id;
|
|
let chan_3_id = create_announced_chan_between_nodes(&nodes, 1, 3).0.contents.short_channel_id;
|
|
let (update_a, _, chan_4_channel_id, _) = create_announced_chan_between_nodes(&nodes, 2, 3);
|
|
let chan_4_id = update_a.contents.short_channel_id;
|
|
let amount = 40_000;
|
|
let (mut route, payment_hash, payment_preimage, _) = get_route_and_payment_hash!(nodes[0], nodes[3], amount);
|
|
|
|
// Pay along nodes[1]
|
|
route.paths[0].hops[0].pubkey = nodes[1].node.get_our_node_id();
|
|
route.paths[0].hops[0].short_channel_id = chan_1_id;
|
|
route.paths[0].hops[1].short_channel_id = chan_3_id;
|
|
|
|
let payment_id_0 = PaymentId(nodes[0].keys_manager.backing.get_secure_random_bytes());
|
|
nodes[0].node.send_spontaneous_payment(&route, Some(payment_preimage), RecipientOnionFields::spontaneous_empty(), payment_id_0).unwrap();
|
|
check_added_monitors!(nodes[0], 1);
|
|
|
|
let update_0 = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
|
|
let update_add_0 = update_0.update_add_htlcs[0].clone();
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &update_add_0);
|
|
commitment_signed_dance!(nodes[1], nodes[0], &update_0.commitment_signed, false, true);
|
|
expect_pending_htlcs_forwardable!(nodes[1]);
|
|
|
|
check_added_monitors!(&nodes[1], 1);
|
|
let update_1 = get_htlc_update_msgs!(nodes[1], nodes[3].node.get_our_node_id());
|
|
let update_add_1 = update_1.update_add_htlcs[0].clone();
|
|
nodes[3].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &update_add_1);
|
|
commitment_signed_dance!(nodes[3], nodes[1], update_1.commitment_signed, false, true);
|
|
|
|
assert!(nodes[3].node.get_and_clear_pending_msg_events().is_empty());
|
|
for (_, pending_forwards) in nodes[3].node.forward_htlcs.lock().unwrap().iter_mut() {
|
|
for f in pending_forwards.iter_mut() {
|
|
match f {
|
|
&mut HTLCForwardInfo::AddHTLC(PendingAddHTLCInfo { ref mut forward_info, .. }) => {
|
|
match forward_info.routing {
|
|
PendingHTLCRouting::ReceiveKeysend { ref mut payment_data, .. } => {
|
|
*payment_data = Some(msgs::FinalOnionHopData {
|
|
payment_secret: PaymentSecret([42; 32]),
|
|
total_msat: amount * 2,
|
|
});
|
|
},
|
|
_ => panic!("Expected PendingHTLCRouting::ReceiveKeysend"),
|
|
}
|
|
},
|
|
_ => {},
|
|
}
|
|
}
|
|
}
|
|
expect_pending_htlcs_forwardable!(nodes[3]);
|
|
|
|
// Pay along nodes[2]
|
|
route.paths[0].hops[0].pubkey = nodes[2].node.get_our_node_id();
|
|
route.paths[0].hops[0].short_channel_id = chan_2_id;
|
|
route.paths[0].hops[1].short_channel_id = chan_4_id;
|
|
|
|
let payment_id_1 = PaymentId(nodes[0].keys_manager.backing.get_secure_random_bytes());
|
|
nodes[0].node.send_spontaneous_payment(&route, Some(payment_preimage), RecipientOnionFields::spontaneous_empty(), payment_id_1).unwrap();
|
|
check_added_monitors!(nodes[0], 1);
|
|
|
|
let update_2 = get_htlc_update_msgs!(nodes[0], nodes[2].node.get_our_node_id());
|
|
let update_add_2 = update_2.update_add_htlcs[0].clone();
|
|
nodes[2].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &update_add_2);
|
|
commitment_signed_dance!(nodes[2], nodes[0], &update_2.commitment_signed, false, true);
|
|
expect_pending_htlcs_forwardable!(nodes[2]);
|
|
|
|
check_added_monitors!(&nodes[2], 1);
|
|
let update_3 = get_htlc_update_msgs!(nodes[2], nodes[3].node.get_our_node_id());
|
|
let update_add_3 = update_3.update_add_htlcs[0].clone();
|
|
nodes[3].node.handle_update_add_htlc(&nodes[2].node.get_our_node_id(), &update_add_3);
|
|
commitment_signed_dance!(nodes[3], nodes[2], update_3.commitment_signed, false, true);
|
|
|
|
assert!(nodes[3].node.get_and_clear_pending_msg_events().is_empty());
|
|
for (_, pending_forwards) in nodes[3].node.forward_htlcs.lock().unwrap().iter_mut() {
|
|
for f in pending_forwards.iter_mut() {
|
|
match f {
|
|
&mut HTLCForwardInfo::AddHTLC(PendingAddHTLCInfo { ref mut forward_info, .. }) => {
|
|
match forward_info.routing {
|
|
PendingHTLCRouting::ReceiveKeysend { ref mut payment_data, .. } => {
|
|
*payment_data = Some(msgs::FinalOnionHopData {
|
|
payment_secret: PaymentSecret([42; 32]),
|
|
total_msat: amount * 2,
|
|
});
|
|
},
|
|
_ => panic!("Expected PendingHTLCRouting::ReceiveKeysend"),
|
|
}
|
|
},
|
|
_ => {},
|
|
}
|
|
}
|
|
}
|
|
expect_pending_htlcs_forwardable!(nodes[3]);
|
|
check_added_monitors!(nodes[3], 1);
|
|
|
|
// Fail back along nodes[2]
|
|
let update_fail_0 = get_htlc_update_msgs!(&nodes[3], &nodes[2].node.get_our_node_id());
|
|
nodes[2].node.handle_update_fail_htlc(&nodes[3].node.get_our_node_id(), &update_fail_0.update_fail_htlcs[0]);
|
|
commitment_signed_dance!(nodes[2], nodes[3], update_fail_0.commitment_signed, false);
|
|
expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[2], vec![HTLCDestination::NextHopChannel { node_id: Some(nodes[3].node.get_our_node_id()), channel_id: chan_4_channel_id }]);
|
|
check_added_monitors!(nodes[2], 1);
|
|
|
|
let update_fail_1 = get_htlc_update_msgs!(nodes[2], nodes[0].node.get_our_node_id());
|
|
nodes[0].node.handle_update_fail_htlc(&nodes[2].node.get_our_node_id(), &update_fail_1.update_fail_htlcs[0]);
|
|
commitment_signed_dance!(nodes[0], nodes[2], update_fail_1.commitment_signed, false);
|
|
|
|
expect_payment_failed_conditions(&nodes[0], payment_hash, true, PaymentFailedConditions::new());
|
|
expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[3], vec![HTLCDestination::FailedPayment { payment_hash }]);
|
|
}
|
|
|
|
|
|
#[test]
|
|
fn no_pending_leak_on_initial_send_failure() {
|
|
// In an earlier version of our payment tracking, we'd have a retry entry even when the initial
|
|
// HTLC for payment failed to send due to local channel errors (e.g. peer disconnected). In this
|
|
// case, the user wouldn't have a PaymentId to retry the payment with, but we'd think we have a
|
|
// pending payment forever and never time it out.
|
|
// Here we test exactly that - retrying a payment when a peer was disconnected on the first
|
|
// try, and then check that no pending payment is being tracked.
|
|
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 mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
|
|
|
|
create_announced_chan_between_nodes(&nodes, 0, 1);
|
|
|
|
let (route, payment_hash, _, payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[1], 100_000);
|
|
|
|
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id());
|
|
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id());
|
|
|
|
unwrap_send_err!(nodes[0].node.send_payment_with_route(&route, payment_hash,
|
|
RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0)
|
|
), true, APIError::ChannelUnavailable { ref err },
|
|
assert_eq!(err, "Peer for first hop currently disconnected"));
|
|
|
|
assert!(!nodes[0].node.has_pending_payments());
|
|
}
|
|
|
|
fn do_retry_with_no_persist(confirm_before_reload: bool) {
|
|
// If we send a pending payment and `send_payment` returns success, we should always either
|
|
// return a payment failure event or a payment success event, and on failure the payment should
|
|
// be retryable.
|
|
//
|
|
// In order to do so when the ChannelManager isn't immediately persisted (which is normal - its
|
|
// always persisted asynchronously), the ChannelManager has to reload some payment data from
|
|
// ChannelMonitor(s) in some cases. This tests that reloading.
|
|
//
|
|
// `confirm_before_reload` confirms the channel-closing commitment transaction on-chain prior
|
|
// to reloading the ChannelManager, increasing test coverage in ChannelMonitor HTLC tracking
|
|
// which has separate codepaths for "commitment transaction already confirmed" and not.
|
|
let chanmon_cfgs = create_chanmon_cfgs(3);
|
|
let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
|
|
let persister;
|
|
let new_chain_monitor;
|
|
let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]);
|
|
let nodes_0_deserialized;
|
|
let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
|
|
|
|
let chan_id = create_announced_chan_between_nodes(&nodes, 0, 1).2;
|
|
let (_, _, chan_id_2, _) = create_announced_chan_between_nodes(&nodes, 1, 2);
|
|
|
|
// Serialize the ChannelManager prior to sending payments
|
|
let nodes_0_serialized = nodes[0].node.encode();
|
|
|
|
// Send two payments - one which will get to nodes[2] and will be claimed, one which we'll time
|
|
// out and retry.
|
|
let amt_msat = 1_000_000;
|
|
let (route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[2], amt_msat);
|
|
let (payment_preimage_1, payment_hash_1, _, payment_id_1) = send_along_route(&nodes[0], route.clone(), &[&nodes[1], &nodes[2]], 1_000_000);
|
|
let route_params = route.route_params.unwrap().clone();
|
|
nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
|
|
PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
|
|
check_added_monitors!(nodes[0], 1);
|
|
|
|
let mut events = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(events.len(), 1);
|
|
let payment_event = SendEvent::from_event(events.pop().unwrap());
|
|
assert_eq!(payment_event.node_id, nodes[1].node.get_our_node_id());
|
|
|
|
// We relay the payment to nodes[1] while its disconnected from nodes[2], causing the payment
|
|
// to be returned immediately to nodes[0], without having nodes[2] fail the inbound payment
|
|
// which would prevent retry.
|
|
nodes[1].node.peer_disconnected(&nodes[2].node.get_our_node_id());
|
|
nodes[2].node.peer_disconnected(&nodes[1].node.get_our_node_id());
|
|
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]);
|
|
commitment_signed_dance!(nodes[1], nodes[0], payment_event.commitment_msg, false, true);
|
|
// nodes[1] now immediately fails the HTLC as the next-hop channel is disconnected
|
|
let _ = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
|
|
reconnect_nodes(ReconnectArgs::new(&nodes[1], &nodes[2]));
|
|
|
|
let as_commitment_tx = get_local_commitment_txn!(nodes[0], chan_id)[0].clone();
|
|
if confirm_before_reload {
|
|
mine_transaction(&nodes[0], &as_commitment_tx);
|
|
nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().clear();
|
|
}
|
|
|
|
// The ChannelMonitor should always be the latest version, as we're required to persist it
|
|
// during the `commitment_signed_dance!()`.
|
|
let chan_0_monitor_serialized = get_monitor!(nodes[0], chan_id).encode();
|
|
reload_node!(nodes[0], test_default_channel_config(), &nodes_0_serialized, &[&chan_0_monitor_serialized], persister, new_chain_monitor, nodes_0_deserialized);
|
|
|
|
// On reload, the ChannelManager should realize it is stale compared to the ChannelMonitor and
|
|
// force-close the channel.
|
|
check_closed_event!(nodes[0], 1, ClosureReason::OutdatedChannelManager, [nodes[1].node.get_our_node_id()], 100000);
|
|
assert!(nodes[0].node.list_channels().is_empty());
|
|
assert!(nodes[0].node.has_pending_payments());
|
|
nodes[0].node.timer_tick_occurred();
|
|
if !confirm_before_reload {
|
|
let as_broadcasted_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
|
|
assert_eq!(as_broadcasted_txn.len(), 1);
|
|
assert_eq!(as_broadcasted_txn[0].txid(), as_commitment_tx.txid());
|
|
} else {
|
|
assert!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().is_empty());
|
|
}
|
|
check_added_monitors!(nodes[0], 1);
|
|
|
|
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id());
|
|
nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init {
|
|
features: nodes[1].node.init_features(), networks: None, remote_network_address: None
|
|
}, true).unwrap();
|
|
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
|
|
|
|
// Now nodes[1] should send a channel reestablish, which nodes[0] will respond to with an
|
|
// error, as the channel has hit the chain.
|
|
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init {
|
|
features: nodes[0].node.init_features(), networks: None, remote_network_address: None
|
|
}, false).unwrap();
|
|
let bs_reestablish = get_chan_reestablish_msgs!(nodes[1], nodes[0]).pop().unwrap();
|
|
nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &bs_reestablish);
|
|
let as_err = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(as_err.len(), 1);
|
|
match as_err[0] {
|
|
MessageSendEvent::HandleError { node_id, action: msgs::ErrorAction::SendErrorMessage { ref msg } } => {
|
|
assert_eq!(node_id, nodes[1].node.get_our_node_id());
|
|
nodes[1].node.handle_error(&nodes[0].node.get_our_node_id(), msg);
|
|
check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyForceClosed { peer_msg: UntrustedString(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}",
|
|
&nodes[1].node.get_our_node_id())) }, [nodes[0].node.get_our_node_id()], 100000);
|
|
check_added_monitors!(nodes[1], 1);
|
|
assert_eq!(nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0).len(), 1);
|
|
},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
check_closed_broadcast!(nodes[1], false);
|
|
|
|
// Now claim the first payment, which should allow nodes[1] to claim the payment on-chain when
|
|
// we close in a moment.
|
|
nodes[2].node.claim_funds(payment_preimage_1);
|
|
check_added_monitors!(nodes[2], 1);
|
|
expect_payment_claimed!(nodes[2], payment_hash_1, 1_000_000);
|
|
|
|
let htlc_fulfill_updates = get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
|
|
nodes[1].node.handle_update_fulfill_htlc(&nodes[2].node.get_our_node_id(), &htlc_fulfill_updates.update_fulfill_htlcs[0]);
|
|
check_added_monitors!(nodes[1], 1);
|
|
commitment_signed_dance!(nodes[1], nodes[2], htlc_fulfill_updates.commitment_signed, false);
|
|
expect_payment_forwarded!(nodes[1], nodes[0], nodes[2], None, true, false);
|
|
|
|
if confirm_before_reload {
|
|
let best_block = nodes[0].blocks.lock().unwrap().last().unwrap().clone();
|
|
nodes[0].node.best_block_updated(&best_block.0.header, best_block.1);
|
|
}
|
|
|
|
// Create a new channel on which to retry the payment before we fail the payment via the
|
|
// HTLC-Timeout transaction. This avoids ChannelManager timing out the payment due to us
|
|
// connecting several blocks while creating the channel (implying time has passed).
|
|
create_announced_chan_between_nodes(&nodes, 0, 1);
|
|
assert_eq!(nodes[0].node.list_usable_channels().len(), 1);
|
|
|
|
mine_transaction(&nodes[1], &as_commitment_tx);
|
|
let bs_htlc_claim_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
|
|
assert_eq!(bs_htlc_claim_txn.len(), 1);
|
|
check_spends!(bs_htlc_claim_txn[0], as_commitment_tx);
|
|
|
|
if !confirm_before_reload {
|
|
mine_transaction(&nodes[0], &as_commitment_tx);
|
|
}
|
|
mine_transaction(&nodes[0], &bs_htlc_claim_txn[0]);
|
|
expect_payment_sent(&nodes[0], payment_preimage_1, None, true, false);
|
|
connect_blocks(&nodes[0], TEST_FINAL_CLTV*4 + 20);
|
|
let (first_htlc_timeout_tx, second_htlc_timeout_tx) = {
|
|
let mut txn = nodes[0].tx_broadcaster.unique_txn_broadcast();
|
|
assert_eq!(txn.len(), 2);
|
|
(txn.remove(0), txn.remove(0))
|
|
};
|
|
check_spends!(first_htlc_timeout_tx, as_commitment_tx);
|
|
check_spends!(second_htlc_timeout_tx, as_commitment_tx);
|
|
if first_htlc_timeout_tx.input[0].previous_output == bs_htlc_claim_txn[0].input[0].previous_output {
|
|
confirm_transaction(&nodes[0], &second_htlc_timeout_tx);
|
|
} else {
|
|
confirm_transaction(&nodes[0], &first_htlc_timeout_tx);
|
|
}
|
|
nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().clear();
|
|
expect_payment_failed_conditions(&nodes[0], payment_hash, false, PaymentFailedConditions::new());
|
|
|
|
// Finally, retry the payment (which was reloaded from the ChannelMonitor when nodes[0] was
|
|
// reloaded) via a route over the new channel, which work without issue and eventually be
|
|
// received and claimed at the recipient just like any other payment.
|
|
let (mut new_route, _, _, _) = get_route_and_payment_hash!(nodes[0], nodes[2], 1_000_000);
|
|
|
|
// Update the fee on the middle hop to ensure PaymentSent events have the correct (retried) fee
|
|
// and not the original fee. We also update node[1]'s relevant config as
|
|
// do_claim_payment_along_route expects us to never overpay.
|
|
{
|
|
let per_peer_state = nodes[1].node.per_peer_state.read().unwrap();
|
|
let mut peer_state = per_peer_state.get(&nodes[2].node.get_our_node_id())
|
|
.unwrap().lock().unwrap();
|
|
let mut channel = peer_state.channel_by_id.get_mut(&chan_id_2).unwrap();
|
|
let mut new_config = channel.context().config();
|
|
new_config.forwarding_fee_base_msat += 100_000;
|
|
channel.context_mut().update_config(&new_config);
|
|
new_route.paths[0].hops[0].fee_msat += 100_000;
|
|
}
|
|
|
|
// Force expiration of the channel's previous config.
|
|
for _ in 0..EXPIRE_PREV_CONFIG_TICKS {
|
|
nodes[1].node.timer_tick_occurred();
|
|
}
|
|
|
|
assert!(nodes[0].node.send_payment_with_route(&new_route, payment_hash, // Shouldn't be allowed to retry a fulfilled payment
|
|
RecipientOnionFields::secret_only(payment_secret), payment_id_1).is_err());
|
|
nodes[0].node.send_payment_with_route(&new_route, payment_hash,
|
|
RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0)).unwrap();
|
|
check_added_monitors!(nodes[0], 1);
|
|
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[2]], 1_000_000, payment_hash, Some(payment_secret), events.pop().unwrap(), true, None);
|
|
do_claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], false, payment_preimage);
|
|
expect_payment_sent!(nodes[0], payment_preimage, Some(new_route.paths[0].hops[0].fee_msat));
|
|
}
|
|
|
|
#[test]
|
|
fn retry_with_no_persist() {
|
|
do_retry_with_no_persist(true);
|
|
do_retry_with_no_persist(false);
|
|
}
|
|
|
|
fn do_test_completed_payment_not_retryable_on_reload(use_dust: bool) {
|
|
// Test that an off-chain completed payment is not retryable on restart. This was previously
|
|
// broken for dust payments, but we test for both dust and non-dust payments.
|
|
//
|
|
// `use_dust` switches to using a dust HTLC, which results in the HTLC not having an on-chain
|
|
// output at all.
|
|
let chanmon_cfgs = create_chanmon_cfgs(3);
|
|
let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
|
|
|
|
let mut manually_accept_config = test_default_channel_config();
|
|
manually_accept_config.manually_accept_inbound_channels = true;
|
|
|
|
let first_persister;
|
|
let first_new_chain_monitor;
|
|
let second_persister;
|
|
let second_new_chain_monitor;
|
|
let third_persister;
|
|
let third_new_chain_monitor;
|
|
|
|
let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, Some(manually_accept_config), None]);
|
|
let first_nodes_0_deserialized;
|
|
let second_nodes_0_deserialized;
|
|
let third_nodes_0_deserialized;
|
|
|
|
let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
|
|
|
|
// Because we set nodes[1] to manually accept channels, just open a 0-conf channel.
|
|
let (funding_tx, chan_id) = open_zero_conf_channel(&nodes[0], &nodes[1], None);
|
|
confirm_transaction(&nodes[0], &funding_tx);
|
|
confirm_transaction(&nodes[1], &funding_tx);
|
|
// Ignore the announcement_signatures messages
|
|
nodes[0].node.get_and_clear_pending_msg_events();
|
|
nodes[1].node.get_and_clear_pending_msg_events();
|
|
let chan_id_2 = create_announced_chan_between_nodes(&nodes, 1, 2).2;
|
|
|
|
// Serialize the ChannelManager prior to sending payments
|
|
let mut nodes_0_serialized = nodes[0].node.encode();
|
|
|
|
let route = get_route_and_payment_hash!(nodes[0], nodes[2], if use_dust { 1_000 } else { 1_000_000 }).0;
|
|
let (payment_preimage, payment_hash, payment_secret, payment_id) = send_along_route(&nodes[0], route, &[&nodes[1], &nodes[2]], if use_dust { 1_000 } else { 1_000_000 });
|
|
|
|
// The ChannelMonitor should always be the latest version, as we're required to persist it
|
|
// during the `commitment_signed_dance!()`.
|
|
let chan_0_monitor_serialized = get_monitor!(nodes[0], chan_id).encode();
|
|
|
|
reload_node!(nodes[0], test_default_channel_config(), nodes_0_serialized, &[&chan_0_monitor_serialized], first_persister, first_new_chain_monitor, first_nodes_0_deserialized);
|
|
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id());
|
|
|
|
// On reload, the ChannelManager should realize it is stale compared to the ChannelMonitor and
|
|
// force-close the channel.
|
|
check_closed_event!(nodes[0], 1, ClosureReason::OutdatedChannelManager, [nodes[1].node.get_our_node_id()], 100000);
|
|
nodes[0].node.timer_tick_occurred();
|
|
assert!(nodes[0].node.list_channels().is_empty());
|
|
assert!(nodes[0].node.has_pending_payments());
|
|
assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0).len(), 1);
|
|
check_added_monitors!(nodes[0], 1);
|
|
|
|
nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init {
|
|
features: nodes[1].node.init_features(), networks: None, remote_network_address: None
|
|
}, true).unwrap();
|
|
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
|
|
|
|
// Now nodes[1] should send a channel reestablish, which nodes[0] will respond to with an
|
|
// error, as the channel has hit the chain.
|
|
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init {
|
|
features: nodes[0].node.init_features(), networks: None, remote_network_address: None
|
|
}, false).unwrap();
|
|
let bs_reestablish = get_chan_reestablish_msgs!(nodes[1], nodes[0]).pop().unwrap();
|
|
nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &bs_reestablish);
|
|
let as_err = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(as_err.len(), 1);
|
|
let bs_commitment_tx;
|
|
match as_err[0] {
|
|
MessageSendEvent::HandleError { node_id, action: msgs::ErrorAction::SendErrorMessage { ref msg } } => {
|
|
assert_eq!(node_id, nodes[1].node.get_our_node_id());
|
|
nodes[1].node.handle_error(&nodes[0].node.get_our_node_id(), msg);
|
|
check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyForceClosed { peer_msg: UntrustedString(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", &nodes[1].node.get_our_node_id())) }
|
|
, [nodes[0].node.get_our_node_id()], 100000);
|
|
check_added_monitors!(nodes[1], 1);
|
|
bs_commitment_tx = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
|
|
},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
check_closed_broadcast!(nodes[1], false);
|
|
|
|
// Now fail back the payment from nodes[2] to nodes[1]. This doesn't really matter as the
|
|
// previous hop channel is already on-chain, but it makes nodes[2] willing to see additional
|
|
// incoming HTLCs with the same payment hash later.
|
|
nodes[2].node.fail_htlc_backwards(&payment_hash);
|
|
expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[2], [HTLCDestination::FailedPayment { payment_hash }]);
|
|
check_added_monitors!(nodes[2], 1);
|
|
|
|
let htlc_fulfill_updates = get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
|
|
nodes[1].node.handle_update_fail_htlc(&nodes[2].node.get_our_node_id(), &htlc_fulfill_updates.update_fail_htlcs[0]);
|
|
commitment_signed_dance!(nodes[1], nodes[2], htlc_fulfill_updates.commitment_signed, false);
|
|
expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[1],
|
|
[HTLCDestination::NextHopChannel { node_id: Some(nodes[2].node.get_our_node_id()), channel_id: chan_id_2 }]);
|
|
|
|
// Connect the HTLC-Timeout transaction, timing out the HTLC on both nodes (but not confirming
|
|
// the HTLC-Timeout transaction beyond 1 conf). For dust HTLCs, the HTLC is considered resolved
|
|
// after the commitment transaction, so always connect the commitment transaction.
|
|
mine_transaction(&nodes[0], &bs_commitment_tx[0]);
|
|
mine_transaction(&nodes[1], &bs_commitment_tx[0]);
|
|
if !use_dust {
|
|
connect_blocks(&nodes[0], TEST_FINAL_CLTV + (MIN_CLTV_EXPIRY_DELTA as u32));
|
|
connect_blocks(&nodes[1], TEST_FINAL_CLTV + (MIN_CLTV_EXPIRY_DELTA as u32));
|
|
let as_htlc_timeout = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
|
|
check_spends!(as_htlc_timeout[0], bs_commitment_tx[0]);
|
|
assert_eq!(as_htlc_timeout.len(), 1);
|
|
|
|
mine_transaction(&nodes[0], &as_htlc_timeout[0]);
|
|
// nodes[0] may rebroadcast (or RBF-bump) its HTLC-Timeout, so wipe the announced set.
|
|
nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().clear();
|
|
mine_transaction(&nodes[1], &as_htlc_timeout[0]);
|
|
}
|
|
|
|
// Create a new channel on which to retry the payment before we fail the payment via the
|
|
// HTLC-Timeout transaction. This avoids ChannelManager timing out the payment due to us
|
|
// connecting several blocks while creating the channel (implying time has passed).
|
|
// We do this with a zero-conf channel to avoid connecting blocks as a side-effect.
|
|
let (_, chan_id_3) = open_zero_conf_channel(&nodes[0], &nodes[1], None);
|
|
assert_eq!(nodes[0].node.list_usable_channels().len(), 1);
|
|
|
|
// If we attempt to retry prior to the HTLC-Timeout (or commitment transaction, for dust HTLCs)
|
|
// confirming, we will fail as it's considered still-pending...
|
|
let (new_route, _, _, _) = get_route_and_payment_hash!(nodes[0], nodes[2], if use_dust { 1_000 } else { 1_000_000 });
|
|
match nodes[0].node.send_payment_with_route(&new_route, payment_hash, RecipientOnionFields::secret_only(payment_secret), payment_id) {
|
|
Err(PaymentSendFailure::DuplicatePayment) => {},
|
|
_ => panic!("Unexpected error")
|
|
}
|
|
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
|
|
|
|
// After ANTI_REORG_DELAY confirmations, the HTLC should be failed and we can try the payment
|
|
// again. We serialize the node first as we'll then test retrying the HTLC after a restart
|
|
// (which should also still work).
|
|
connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1);
|
|
connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
|
|
expect_payment_failed_conditions(&nodes[0], payment_hash, false, PaymentFailedConditions::new());
|
|
|
|
let chan_0_monitor_serialized = get_monitor!(nodes[0], chan_id).encode();
|
|
let chan_1_monitor_serialized = get_monitor!(nodes[0], chan_id_3).encode();
|
|
nodes_0_serialized = nodes[0].node.encode();
|
|
|
|
// After the payment failed, we're free to send it again.
|
|
assert!(nodes[0].node.send_payment_with_route(&new_route, payment_hash,
|
|
RecipientOnionFields::secret_only(payment_secret), payment_id).is_ok());
|
|
assert!(!nodes[0].node.get_and_clear_pending_msg_events().is_empty());
|
|
|
|
reload_node!(nodes[0], test_default_channel_config(), nodes_0_serialized, &[&chan_0_monitor_serialized, &chan_1_monitor_serialized], second_persister, second_new_chain_monitor, second_nodes_0_deserialized);
|
|
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id());
|
|
|
|
nodes[0].node.test_process_background_events();
|
|
check_added_monitors(&nodes[0], 1);
|
|
|
|
let mut reconnect_args = ReconnectArgs::new(&nodes[0], &nodes[1]);
|
|
reconnect_args.send_channel_ready = (true, true);
|
|
reconnect_nodes(reconnect_args);
|
|
|
|
// Now resend the payment, delivering the HTLC and actually claiming it this time. This ensures
|
|
// the payment is not (spuriously) listed as still pending.
|
|
assert!(nodes[0].node.send_payment_with_route(&new_route, payment_hash,
|
|
RecipientOnionFields::secret_only(payment_secret), payment_id).is_ok());
|
|
check_added_monitors!(nodes[0], 1);
|
|
pass_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], if use_dust { 1_000 } else { 1_000_000 }, payment_hash, payment_secret);
|
|
claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], payment_preimage);
|
|
|
|
match nodes[0].node.send_payment_with_route(&new_route, payment_hash, RecipientOnionFields::secret_only(payment_secret), payment_id) {
|
|
Err(PaymentSendFailure::DuplicatePayment) => {},
|
|
_ => panic!("Unexpected error")
|
|
}
|
|
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
|
|
|
|
let chan_0_monitor_serialized = get_monitor!(nodes[0], chan_id).encode();
|
|
let chan_1_monitor_serialized = get_monitor!(nodes[0], chan_id_3).encode();
|
|
nodes_0_serialized = nodes[0].node.encode();
|
|
|
|
// Check that after reload we can send the payment again (though we shouldn't, since it was
|
|
// claimed previously).
|
|
reload_node!(nodes[0], test_default_channel_config(), nodes_0_serialized, &[&chan_0_monitor_serialized, &chan_1_monitor_serialized], third_persister, third_new_chain_monitor, third_nodes_0_deserialized);
|
|
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id());
|
|
|
|
nodes[0].node.test_process_background_events();
|
|
check_added_monitors(&nodes[0], 1);
|
|
|
|
reconnect_nodes(ReconnectArgs::new(&nodes[0], &nodes[1]));
|
|
|
|
match nodes[0].node.send_payment_with_route(&new_route, payment_hash, RecipientOnionFields::secret_only(payment_secret), payment_id) {
|
|
Err(PaymentSendFailure::DuplicatePayment) => {},
|
|
_ => panic!("Unexpected error")
|
|
}
|
|
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
|
|
}
|
|
|
|
#[test]
|
|
fn test_completed_payment_not_retryable_on_reload() {
|
|
do_test_completed_payment_not_retryable_on_reload(true);
|
|
do_test_completed_payment_not_retryable_on_reload(false);
|
|
}
|
|
|
|
|
|
fn do_test_dup_htlc_onchain_fails_on_reload(persist_manager_post_event: bool, confirm_commitment_tx: bool, payment_timeout: bool) {
|
|
// When a Channel is closed, any outbound HTLCs which were relayed through it are simply
|
|
// dropped when the Channel is. From there, the ChannelManager relies on the ChannelMonitor
|
|
// having a copy of the relevant fail-/claim-back data and processes the HTLC fail/claim when
|
|
// the ChannelMonitor tells it to.
|
|
//
|
|
// If, due to an on-chain event, an HTLC is failed/claimed, we should avoid providing the
|
|
// ChannelManager the HTLC event until after the monitor is re-persisted. This should prevent a
|
|
// duplicate HTLC fail/claim (e.g. via a PaymentPathFailed event).
|
|
let chanmon_cfgs = create_chanmon_cfgs(2);
|
|
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
|
|
let persister;
|
|
let new_chain_monitor;
|
|
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
|
|
let nodes_0_deserialized;
|
|
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
|
|
|
|
let (_, _, chan_id, funding_tx) = create_announced_chan_between_nodes(&nodes, 0, 1);
|
|
|
|
// Route a payment, but force-close the channel before the HTLC fulfill message arrives at
|
|
// nodes[0].
|
|
let (payment_preimage, payment_hash, ..) = route_payment(&nodes[0], &[&nodes[1]], 10_000_000);
|
|
nodes[0].node.force_close_broadcasting_latest_txn(&nodes[0].node.list_channels()[0].channel_id, &nodes[1].node.get_our_node_id()).unwrap();
|
|
check_closed_broadcast!(nodes[0], true);
|
|
check_added_monitors!(nodes[0], 1);
|
|
check_closed_event!(nodes[0], 1, ClosureReason::HolderForceClosed, [nodes[1].node.get_our_node_id()], 100000);
|
|
|
|
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id());
|
|
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id());
|
|
|
|
// Connect blocks until the CLTV timeout is up so that we get an HTLC-Timeout transaction
|
|
connect_blocks(&nodes[0], TEST_FINAL_CLTV + LATENCY_GRACE_PERIOD_BLOCKS + 1);
|
|
let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
|
|
assert_eq!(node_txn.len(), 3);
|
|
assert_eq!(node_txn[0].txid(), node_txn[1].txid());
|
|
check_spends!(node_txn[1], funding_tx);
|
|
check_spends!(node_txn[2], node_txn[1]);
|
|
let timeout_txn = vec![node_txn[2].clone()];
|
|
|
|
nodes[1].node.claim_funds(payment_preimage);
|
|
check_added_monitors!(nodes[1], 1);
|
|
expect_payment_claimed!(nodes[1], payment_hash, 10_000_000);
|
|
|
|
connect_block(&nodes[1], &create_dummy_block(nodes[1].best_block_hash(), 42, vec![node_txn[1].clone()]));
|
|
check_closed_broadcast!(nodes[1], true);
|
|
check_added_monitors!(nodes[1], 1);
|
|
check_closed_event!(nodes[1], 1, ClosureReason::CommitmentTxConfirmed, [nodes[0].node.get_our_node_id()], 100000);
|
|
let claim_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
|
|
assert_eq!(claim_txn.len(), 1);
|
|
check_spends!(claim_txn[0], node_txn[1]);
|
|
|
|
connect_block(&nodes[0], &create_dummy_block(nodes[0].best_block_hash(), 42, vec![node_txn[1].clone()]));
|
|
|
|
if confirm_commitment_tx {
|
|
connect_blocks(&nodes[0], BREAKDOWN_TIMEOUT as u32 - 1);
|
|
}
|
|
|
|
let claim_block = create_dummy_block(nodes[0].best_block_hash(), 42, if payment_timeout { timeout_txn } else { vec![claim_txn[0].clone()] });
|
|
|
|
if payment_timeout {
|
|
assert!(confirm_commitment_tx); // Otherwise we're spending below our CSV!
|
|
connect_block(&nodes[0], &claim_block);
|
|
connect_blocks(&nodes[0], ANTI_REORG_DELAY - 2);
|
|
}
|
|
|
|
// Now connect the HTLC claim transaction with the ChainMonitor-generated ChannelMonitor update
|
|
// returning InProgress. This should cause the claim event to never make its way to the
|
|
// ChannelManager.
|
|
chanmon_cfgs[0].persister.chain_sync_monitor_persistences.lock().unwrap().clear();
|
|
chanmon_cfgs[0].persister.set_update_ret(ChannelMonitorUpdateStatus::InProgress);
|
|
|
|
if payment_timeout {
|
|
connect_blocks(&nodes[0], 1);
|
|
} else {
|
|
connect_block(&nodes[0], &claim_block);
|
|
}
|
|
|
|
let funding_txo = OutPoint { txid: funding_tx.txid(), index: 0 };
|
|
let mon_updates: Vec<_> = chanmon_cfgs[0].persister.chain_sync_monitor_persistences.lock().unwrap()
|
|
.get_mut(&funding_txo).unwrap().drain().collect();
|
|
// If we are using chain::Confirm instead of chain::Listen, we will get the same update twice.
|
|
// If we're testing connection idempotency we may get substantially more.
|
|
assert!(mon_updates.len() >= 1);
|
|
assert!(nodes[0].chain_monitor.release_pending_monitor_events().is_empty());
|
|
assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
|
|
|
|
// If we persist the ChannelManager here, we should get the PaymentSent event after
|
|
// deserialization.
|
|
let mut chan_manager_serialized = Vec::new();
|
|
if !persist_manager_post_event {
|
|
chan_manager_serialized = nodes[0].node.encode();
|
|
}
|
|
|
|
// Now persist the ChannelMonitor and inform the ChainMonitor that we're done, generating the
|
|
// payment sent event.
|
|
chanmon_cfgs[0].persister.set_update_ret(ChannelMonitorUpdateStatus::Completed);
|
|
let chan_0_monitor_serialized = get_monitor!(nodes[0], chan_id).encode();
|
|
for update in mon_updates {
|
|
nodes[0].chain_monitor.chain_monitor.channel_monitor_updated(funding_txo, update).unwrap();
|
|
}
|
|
if payment_timeout {
|
|
expect_payment_failed!(nodes[0], payment_hash, false);
|
|
} else {
|
|
expect_payment_sent(&nodes[0], payment_preimage, None, true, false);
|
|
}
|
|
|
|
// If we persist the ChannelManager after we get the PaymentSent event, we shouldn't get it
|
|
// twice.
|
|
if persist_manager_post_event {
|
|
chan_manager_serialized = nodes[0].node.encode();
|
|
}
|
|
|
|
// Now reload nodes[0]...
|
|
reload_node!(nodes[0], &chan_manager_serialized, &[&chan_0_monitor_serialized], persister, new_chain_monitor, nodes_0_deserialized);
|
|
|
|
if persist_manager_post_event {
|
|
assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
|
|
} else if payment_timeout {
|
|
expect_payment_failed!(nodes[0], payment_hash, false);
|
|
} else {
|
|
expect_payment_sent(&nodes[0], payment_preimage, None, true, false);
|
|
}
|
|
|
|
// Note that if we re-connect the block which exposed nodes[0] to the payment preimage (but
|
|
// which the current ChannelMonitor has not seen), the ChannelManager's de-duplication of
|
|
// payment events should kick in, leaving us with no pending events here.
|
|
let height = nodes[0].blocks.lock().unwrap().len() as u32 - 1;
|
|
nodes[0].chain_monitor.chain_monitor.block_connected(&claim_block, height);
|
|
assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
|
|
check_added_monitors(&nodes[0], 1);
|
|
}
|
|
|
|
#[test]
|
|
fn test_dup_htlc_onchain_fails_on_reload() {
|
|
do_test_dup_htlc_onchain_fails_on_reload(true, true, true);
|
|
do_test_dup_htlc_onchain_fails_on_reload(true, true, false);
|
|
do_test_dup_htlc_onchain_fails_on_reload(true, false, false);
|
|
do_test_dup_htlc_onchain_fails_on_reload(false, true, true);
|
|
do_test_dup_htlc_onchain_fails_on_reload(false, true, false);
|
|
do_test_dup_htlc_onchain_fails_on_reload(false, false, false);
|
|
}
|
|
|
|
#[test]
|
|
fn test_fulfill_restart_failure() {
|
|
// When we receive an update_fulfill_htlc message, we immediately consider the HTLC fully
|
|
// fulfilled. At this point, the peer can reconnect and decide to either fulfill the HTLC
|
|
// again, or fail it, giving us free money.
|
|
//
|
|
// Of course probably they won't fail it and give us free money, but because we have code to
|
|
// handle it, we should test the logic for it anyway. We do that here.
|
|
let chanmon_cfgs = create_chanmon_cfgs(2);
|
|
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
|
|
let persister;
|
|
let new_chain_monitor;
|
|
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
|
|
let nodes_1_deserialized;
|
|
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
|
|
|
|
let chan_id = create_announced_chan_between_nodes(&nodes, 0, 1).2;
|
|
let (payment_preimage, payment_hash, ..) = route_payment(&nodes[0], &[&nodes[1]], 100_000);
|
|
|
|
// The simplest way to get a failure after a fulfill is to reload nodes[1] from a state
|
|
// pre-fulfill, which we do by serializing it here.
|
|
let chan_manager_serialized = nodes[1].node.encode();
|
|
let chan_0_monitor_serialized = get_monitor!(nodes[1], chan_id).encode();
|
|
|
|
nodes[1].node.claim_funds(payment_preimage);
|
|
check_added_monitors!(nodes[1], 1);
|
|
expect_payment_claimed!(nodes[1], payment_hash, 100_000);
|
|
|
|
let htlc_fulfill_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &htlc_fulfill_updates.update_fulfill_htlcs[0]);
|
|
expect_payment_sent(&nodes[0], payment_preimage, None, false, false);
|
|
|
|
// Now reload nodes[1]...
|
|
reload_node!(nodes[1], &chan_manager_serialized, &[&chan_0_monitor_serialized], persister, new_chain_monitor, nodes_1_deserialized);
|
|
|
|
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id());
|
|
reconnect_nodes(ReconnectArgs::new(&nodes[0], &nodes[1]));
|
|
|
|
nodes[1].node.fail_htlc_backwards(&payment_hash);
|
|
expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[1], vec![HTLCDestination::FailedPayment { payment_hash }]);
|
|
check_added_monitors!(nodes[1], 1);
|
|
let htlc_fail_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &htlc_fail_updates.update_fail_htlcs[0]);
|
|
commitment_signed_dance!(nodes[0], nodes[1], htlc_fail_updates.commitment_signed, false);
|
|
// nodes[0] shouldn't generate any events here, while it just got a payment failure completion
|
|
// it had already considered the payment fulfilled, and now they just got free money.
|
|
assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
|
|
}
|
|
|
|
#[test]
|
|
fn get_ldk_payment_preimage() {
|
|
// Ensure that `ChannelManager::get_payment_preimage` can successfully be used to claim a payment.
|
|
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 mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
|
|
create_announced_chan_between_nodes(&nodes, 0, 1);
|
|
|
|
let amt_msat = 60_000;
|
|
let expiry_secs = 60 * 60;
|
|
let (payment_hash, payment_secret) = nodes[1].node.create_inbound_payment(Some(amt_msat), expiry_secs, None).unwrap();
|
|
|
|
let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV)
|
|
.with_bolt11_features(nodes[1].node.invoice_features()).unwrap();
|
|
let scorer = test_utils::TestScorer::new();
|
|
let keys_manager = test_utils::TestKeysInterface::new(&[0u8; 32], Network::Testnet);
|
|
let random_seed_bytes = keys_manager.get_secure_random_bytes();
|
|
let route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
|
|
let route = get_route( &nodes[0].node.get_our_node_id(), &route_params,
|
|
&nodes[0].network_graph.read_only(),
|
|
Some(&nodes[0].node.list_usable_channels().iter().collect::<Vec<_>>()), nodes[0].logger,
|
|
&scorer, &Default::default(), &random_seed_bytes).unwrap();
|
|
nodes[0].node.send_payment_with_route(&route, payment_hash,
|
|
RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0)).unwrap();
|
|
check_added_monitors!(nodes[0], 1);
|
|
|
|
// Make sure to use `get_payment_preimage`
|
|
let payment_preimage = nodes[1].node.get_payment_preimage(payment_hash, payment_secret).unwrap();
|
|
let mut events = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(events.len(), 1);
|
|
pass_along_path(&nodes[0], &[&nodes[1]], amt_msat, payment_hash, Some(payment_secret), events.pop().unwrap(), true, Some(payment_preimage));
|
|
claim_payment_along_route(&nodes[0], &[&[&nodes[1]]], false, payment_preimage);
|
|
}
|
|
|
|
#[test]
|
|
fn sent_probe_is_probe_of_sending_node() {
|
|
let chanmon_cfgs = create_chanmon_cfgs(3);
|
|
let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
|
|
let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None, None]);
|
|
let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
|
|
|
|
create_announced_chan_between_nodes(&nodes, 0, 1);
|
|
create_announced_chan_between_nodes(&nodes, 1, 2);
|
|
|
|
// First check we refuse to build a single-hop probe
|
|
let (route, _, _, _) = get_route_and_payment_hash!(&nodes[0], nodes[1], 100_000);
|
|
assert!(nodes[0].node.send_probe(route.paths[0].clone()).is_err());
|
|
|
|
// Then build an actual two-hop probing path
|
|
let (route, _, _, _) = get_route_and_payment_hash!(&nodes[0], nodes[2], 100_000);
|
|
|
|
match nodes[0].node.send_probe(route.paths[0].clone()) {
|
|
Ok((payment_hash, payment_id)) => {
|
|
assert!(nodes[0].node.payment_is_probe(&payment_hash, &payment_id));
|
|
assert!(!nodes[1].node.payment_is_probe(&payment_hash, &payment_id));
|
|
assert!(!nodes[2].node.payment_is_probe(&payment_hash, &payment_id));
|
|
},
|
|
_ => panic!(),
|
|
}
|
|
|
|
get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
|
|
check_added_monitors!(nodes[0], 1);
|
|
}
|
|
|
|
#[test]
|
|
fn successful_probe_yields_event() {
|
|
let chanmon_cfgs = create_chanmon_cfgs(3);
|
|
let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
|
|
let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None, None]);
|
|
let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
|
|
|
|
create_announced_chan_between_nodes(&nodes, 0, 1);
|
|
create_announced_chan_between_nodes(&nodes, 1, 2);
|
|
|
|
let (route, _, _, _) = get_route_and_payment_hash!(&nodes[0], nodes[2], 100_000);
|
|
|
|
let (payment_hash, payment_id) = nodes[0].node.send_probe(route.paths[0].clone()).unwrap();
|
|
|
|
// node[0] -- update_add_htlcs -> node[1]
|
|
check_added_monitors!(nodes[0], 1);
|
|
let updates = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
|
|
let probe_event = SendEvent::from_commitment_update(nodes[1].node.get_our_node_id(), updates);
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &probe_event.msgs[0]);
|
|
check_added_monitors!(nodes[1], 0);
|
|
commitment_signed_dance!(nodes[1], nodes[0], probe_event.commitment_msg, false);
|
|
expect_pending_htlcs_forwardable!(nodes[1]);
|
|
|
|
// node[1] -- update_add_htlcs -> node[2]
|
|
check_added_monitors!(nodes[1], 1);
|
|
let updates = get_htlc_update_msgs!(nodes[1], nodes[2].node.get_our_node_id());
|
|
let probe_event = SendEvent::from_commitment_update(nodes[1].node.get_our_node_id(), updates);
|
|
nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &probe_event.msgs[0]);
|
|
check_added_monitors!(nodes[2], 0);
|
|
commitment_signed_dance!(nodes[2], nodes[1], probe_event.commitment_msg, true, true);
|
|
|
|
// node[1] <- update_fail_htlcs -- node[2]
|
|
let updates = get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
|
|
nodes[1].node.handle_update_fail_htlc(&nodes[2].node.get_our_node_id(), &updates.update_fail_htlcs[0]);
|
|
check_added_monitors!(nodes[1], 0);
|
|
commitment_signed_dance!(nodes[1], nodes[2], updates.commitment_signed, true);
|
|
|
|
// node[0] <- update_fail_htlcs -- node[1]
|
|
let updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &updates.update_fail_htlcs[0]);
|
|
check_added_monitors!(nodes[0], 0);
|
|
commitment_signed_dance!(nodes[0], nodes[1], updates.commitment_signed, false);
|
|
|
|
let mut events = nodes[0].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 1);
|
|
match events.drain(..).next().unwrap() {
|
|
crate::events::Event::ProbeSuccessful { payment_id: ev_pid, payment_hash: ev_ph, .. } => {
|
|
assert_eq!(payment_id, ev_pid);
|
|
assert_eq!(payment_hash, ev_ph);
|
|
},
|
|
_ => panic!(),
|
|
};
|
|
assert!(!nodes[0].node.has_pending_payments());
|
|
}
|
|
|
|
#[test]
|
|
fn failed_probe_yields_event() {
|
|
let chanmon_cfgs = create_chanmon_cfgs(3);
|
|
let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
|
|
let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None, None]);
|
|
let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
|
|
|
|
create_announced_chan_between_nodes(&nodes, 0, 1);
|
|
create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 100000, 90000000);
|
|
|
|
let payment_params = PaymentParameters::from_node_id(nodes[2].node.get_our_node_id(), 42);
|
|
|
|
let (route, _, _, _) = get_route_and_payment_hash!(&nodes[0], nodes[2], payment_params, 9_998_000);
|
|
|
|
let (payment_hash, payment_id) = nodes[0].node.send_probe(route.paths[0].clone()).unwrap();
|
|
|
|
// node[0] -- update_add_htlcs -> node[1]
|
|
check_added_monitors!(nodes[0], 1);
|
|
let updates = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
|
|
let probe_event = SendEvent::from_commitment_update(nodes[1].node.get_our_node_id(), updates);
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &probe_event.msgs[0]);
|
|
check_added_monitors!(nodes[1], 0);
|
|
commitment_signed_dance!(nodes[1], nodes[0], probe_event.commitment_msg, false);
|
|
expect_pending_htlcs_forwardable!(nodes[1]);
|
|
|
|
// node[0] <- update_fail_htlcs -- node[1]
|
|
check_added_monitors!(nodes[1], 1);
|
|
let updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
// Skip the PendingHTLCsForwardable event
|
|
let _events = nodes[1].node.get_and_clear_pending_events();
|
|
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &updates.update_fail_htlcs[0]);
|
|
check_added_monitors!(nodes[0], 0);
|
|
commitment_signed_dance!(nodes[0], nodes[1], updates.commitment_signed, false);
|
|
|
|
let mut events = nodes[0].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 1);
|
|
match events.drain(..).next().unwrap() {
|
|
crate::events::Event::ProbeFailed { payment_id: ev_pid, payment_hash: ev_ph, .. } => {
|
|
assert_eq!(payment_id, ev_pid);
|
|
assert_eq!(payment_hash, ev_ph);
|
|
},
|
|
_ => panic!(),
|
|
};
|
|
assert!(!nodes[0].node.has_pending_payments());
|
|
}
|
|
|
|
#[test]
|
|
fn onchain_failed_probe_yields_event() {
|
|
// Tests that an attempt to probe over a channel that is eventaully closed results in a failure
|
|
// event.
|
|
let chanmon_cfgs = create_chanmon_cfgs(3);
|
|
let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
|
|
let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]);
|
|
let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
|
|
|
|
let chan_id = create_announced_chan_between_nodes(&nodes, 0, 1).2;
|
|
create_announced_chan_between_nodes(&nodes, 1, 2);
|
|
|
|
let payment_params = PaymentParameters::from_node_id(nodes[2].node.get_our_node_id(), 42);
|
|
|
|
// Send a dust HTLC, which will be treated as if it timed out once the channel hits the chain.
|
|
let (route, _, _, _) = get_route_and_payment_hash!(&nodes[0], nodes[2], payment_params, 1_000);
|
|
let (payment_hash, payment_id) = nodes[0].node.send_probe(route.paths[0].clone()).unwrap();
|
|
|
|
// node[0] -- update_add_htlcs -> node[1]
|
|
check_added_monitors!(nodes[0], 1);
|
|
let updates = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
|
|
let probe_event = SendEvent::from_commitment_update(nodes[1].node.get_our_node_id(), updates);
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &probe_event.msgs[0]);
|
|
check_added_monitors!(nodes[1], 0);
|
|
commitment_signed_dance!(nodes[1], nodes[0], probe_event.commitment_msg, false);
|
|
expect_pending_htlcs_forwardable!(nodes[1]);
|
|
|
|
check_added_monitors!(nodes[1], 1);
|
|
let _ = get_htlc_update_msgs!(nodes[1], nodes[2].node.get_our_node_id());
|
|
|
|
// Don't bother forwarding the HTLC onwards and just confirm the force-close transaction on
|
|
// Node A, which after 6 confirmations should result in a probe failure event.
|
|
let bs_txn = get_local_commitment_txn!(nodes[1], chan_id);
|
|
confirm_transaction(&nodes[0], &bs_txn[0]);
|
|
check_closed_broadcast!(&nodes[0], true);
|
|
check_added_monitors!(nodes[0], 1);
|
|
|
|
let mut events = nodes[0].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 2);
|
|
let mut found_probe_failed = false;
|
|
for event in events.drain(..) {
|
|
match event {
|
|
Event::ProbeFailed { payment_id: ev_pid, payment_hash: ev_ph, .. } => {
|
|
assert_eq!(payment_id, ev_pid);
|
|
assert_eq!(payment_hash, ev_ph);
|
|
found_probe_failed = true;
|
|
},
|
|
Event::ChannelClosed { .. } => {},
|
|
_ => panic!(),
|
|
}
|
|
}
|
|
assert!(found_probe_failed);
|
|
assert!(!nodes[0].node.has_pending_payments());
|
|
}
|
|
|
|
#[test]
|
|
fn preflight_probes_yield_event_and_skip() {
|
|
let chanmon_cfgs = create_chanmon_cfgs(5);
|
|
let node_cfgs = create_node_cfgs(5, &chanmon_cfgs);
|
|
|
|
// We alleviate the HTLC max-in-flight limit, as otherwise we'd always be limited through that.
|
|
let mut no_htlc_limit_config = test_default_channel_config();
|
|
no_htlc_limit_config.channel_handshake_config.max_inbound_htlc_value_in_flight_percent_of_channel = 100;
|
|
|
|
let user_configs = std::iter::repeat(no_htlc_limit_config).take(5).map(|c| Some(c)).collect::<Vec<Option<UserConfig>>>();
|
|
let node_chanmgrs = create_node_chanmgrs(5, &node_cfgs, &user_configs);
|
|
let nodes = create_network(5, &node_cfgs, &node_chanmgrs);
|
|
|
|
// Setup channel topology:
|
|
// (30k:0)- N2 -(1M:0)
|
|
// / \
|
|
// N0 -(100k:0)-> N1 N4
|
|
// \ /
|
|
// (70k:0)- N3 -(1M:0)
|
|
//
|
|
let first_chan_update = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100_000, 0).0;
|
|
create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 30_000, 0);
|
|
create_announced_chan_between_nodes_with_value(&nodes, 1, 3, 70_000, 0);
|
|
create_announced_chan_between_nodes_with_value(&nodes, 2, 4, 1_000_000, 0);
|
|
create_announced_chan_between_nodes_with_value(&nodes, 3, 4, 1_000_000, 0);
|
|
|
|
let mut invoice_features = Bolt11InvoiceFeatures::empty();
|
|
invoice_features.set_basic_mpp_optional();
|
|
|
|
let mut payment_params = PaymentParameters::from_node_id(nodes[4].node.get_our_node_id(), TEST_FINAL_CLTV)
|
|
.with_bolt11_features(invoice_features).unwrap();
|
|
|
|
let route_params = RouteParameters::from_payment_params_and_value(payment_params, 80_000_000);
|
|
let res = nodes[0].node.send_preflight_probes(route_params, None).unwrap();
|
|
|
|
// We check that only one probe was sent, the other one was skipped due to limited liquidity.
|
|
assert_eq!(res.len(), 1);
|
|
let log_msg = format!("Skipped sending payment probe to avoid putting channel {} under the liquidity limit.",
|
|
first_chan_update.contents.short_channel_id);
|
|
node_cfgs[0].logger.assert_log_contains("lightning::ln::channelmanager", &log_msg, 1);
|
|
|
|
let (payment_hash, payment_id) = res.first().unwrap();
|
|
|
|
// node[0] -- update_add_htlcs -> node[1]
|
|
check_added_monitors!(nodes[0], 1);
|
|
let probe_event = SendEvent::from_node(&nodes[0]);
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &probe_event.msgs[0]);
|
|
check_added_monitors!(nodes[1], 0);
|
|
commitment_signed_dance!(nodes[1], nodes[0], probe_event.commitment_msg, false);
|
|
expect_pending_htlcs_forwardable!(nodes[1]);
|
|
|
|
// node[1] -- update_add_htlcs -> node[2]
|
|
check_added_monitors!(nodes[1], 1);
|
|
let probe_event = SendEvent::from_node(&nodes[1]);
|
|
nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &probe_event.msgs[0]);
|
|
check_added_monitors!(nodes[2], 0);
|
|
commitment_signed_dance!(nodes[2], nodes[1], probe_event.commitment_msg, false);
|
|
expect_pending_htlcs_forwardable!(nodes[2]);
|
|
|
|
// node[2] -- update_add_htlcs -> node[4]
|
|
check_added_monitors!(nodes[2], 1);
|
|
let probe_event = SendEvent::from_node(&nodes[2]);
|
|
nodes[4].node.handle_update_add_htlc(&nodes[2].node.get_our_node_id(), &probe_event.msgs[0]);
|
|
check_added_monitors!(nodes[4], 0);
|
|
commitment_signed_dance!(nodes[4], nodes[2], probe_event.commitment_msg, true, true);
|
|
|
|
// node[2] <- update_fail_htlcs -- node[4]
|
|
let updates = get_htlc_update_msgs!(nodes[4], nodes[2].node.get_our_node_id());
|
|
nodes[2].node.handle_update_fail_htlc(&nodes[4].node.get_our_node_id(), &updates.update_fail_htlcs[0]);
|
|
check_added_monitors!(nodes[2], 0);
|
|
commitment_signed_dance!(nodes[2], nodes[4], updates.commitment_signed, true);
|
|
|
|
// node[1] <- update_fail_htlcs -- node[2]
|
|
let updates = get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
|
|
nodes[1].node.handle_update_fail_htlc(&nodes[2].node.get_our_node_id(), &updates.update_fail_htlcs[0]);
|
|
check_added_monitors!(nodes[1], 0);
|
|
commitment_signed_dance!(nodes[1], nodes[2], updates.commitment_signed, true);
|
|
|
|
// node[0] <- update_fail_htlcs -- node[1]
|
|
let updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &updates.update_fail_htlcs[0]);
|
|
check_added_monitors!(nodes[0], 0);
|
|
commitment_signed_dance!(nodes[0], nodes[1], updates.commitment_signed, false);
|
|
|
|
let mut events = nodes[0].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 1);
|
|
match events.drain(..).next().unwrap() {
|
|
crate::events::Event::ProbeSuccessful { payment_id: ev_pid, payment_hash: ev_ph, .. } => {
|
|
assert_eq!(*payment_id, ev_pid);
|
|
assert_eq!(*payment_hash, ev_ph);
|
|
},
|
|
_ => panic!(),
|
|
};
|
|
assert!(!nodes[0].node.has_pending_payments());
|
|
}
|
|
|
|
#[test]
|
|
fn claimed_send_payment_idempotent() {
|
|
// Tests that `send_payment` (and friends) are (reasonably) idempotent.
|
|
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).2;
|
|
|
|
let (route, second_payment_hash, second_payment_preimage, second_payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[1], 100_000);
|
|
let (first_payment_preimage, _, _, payment_id) = send_along_route(&nodes[0], route.clone(), &[&nodes[1]], 100_000);
|
|
|
|
macro_rules! check_send_rejected {
|
|
() => {
|
|
// If we try to resend a new payment with a different payment_hash but with the same
|
|
// payment_id, it should be rejected.
|
|
let send_result = nodes[0].node.send_payment_with_route(&route, second_payment_hash,
|
|
RecipientOnionFields::secret_only(second_payment_secret), payment_id);
|
|
match send_result {
|
|
Err(PaymentSendFailure::DuplicatePayment) => {},
|
|
_ => panic!("Unexpected send result: {:?}", send_result),
|
|
}
|
|
|
|
// Further, if we try to send a spontaneous payment with the same payment_id it should
|
|
// also be rejected.
|
|
let send_result = nodes[0].node.send_spontaneous_payment(
|
|
&route, None, RecipientOnionFields::spontaneous_empty(), payment_id);
|
|
match send_result {
|
|
Err(PaymentSendFailure::DuplicatePayment) => {},
|
|
_ => panic!("Unexpected send result: {:?}", send_result),
|
|
}
|
|
}
|
|
}
|
|
|
|
check_send_rejected!();
|
|
|
|
// Claim the payment backwards, but note that the PaymentSent event is still pending and has
|
|
// not been seen by the user. At this point, from the user perspective nothing has changed, so
|
|
// we must remain just as idempotent as we were before.
|
|
do_claim_payment_along_route(&nodes[0], &[&[&nodes[1]]], false, first_payment_preimage);
|
|
|
|
for _ in 0..=IDEMPOTENCY_TIMEOUT_TICKS {
|
|
nodes[0].node.timer_tick_occurred();
|
|
}
|
|
|
|
check_send_rejected!();
|
|
|
|
// Once the user sees and handles the `PaymentSent` event, we expect them to no longer call
|
|
// `send_payment`, and our idempotency guarantees are off - they should have atomically marked
|
|
// the payment complete. However, they could have called `send_payment` while the event was
|
|
// being processed, leading to a race in our idempotency guarantees. Thus, even immediately
|
|
// after the event is handled a duplicate payment should sitll be rejected.
|
|
expect_payment_sent!(&nodes[0], first_payment_preimage, Some(0));
|
|
check_send_rejected!();
|
|
|
|
// If relatively little time has passed, a duplicate payment should still fail.
|
|
nodes[0].node.timer_tick_occurred();
|
|
check_send_rejected!();
|
|
|
|
// However, after some time has passed (at least more than the one timer tick above), a
|
|
// duplicate payment should go through, as ChannelManager should no longer have any remaining
|
|
// references to the old payment data.
|
|
for _ in 0..IDEMPOTENCY_TIMEOUT_TICKS {
|
|
nodes[0].node.timer_tick_occurred();
|
|
}
|
|
|
|
nodes[0].node.send_payment_with_route(&route, second_payment_hash,
|
|
RecipientOnionFields::secret_only(second_payment_secret), payment_id).unwrap();
|
|
check_added_monitors!(nodes[0], 1);
|
|
pass_along_route(&nodes[0], &[&[&nodes[1]]], 100_000, second_payment_hash, second_payment_secret);
|
|
claim_payment(&nodes[0], &[&nodes[1]], second_payment_preimage);
|
|
}
|
|
|
|
#[test]
|
|
fn abandoned_send_payment_idempotent() {
|
|
// Tests that `send_payment` (and friends) allow duplicate PaymentIds immediately after
|
|
// abandon_payment.
|
|
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).2;
|
|
|
|
let (route, second_payment_hash, second_payment_preimage, second_payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[1], 100_000);
|
|
let (_, first_payment_hash, _, payment_id) = send_along_route(&nodes[0], route.clone(), &[&nodes[1]], 100_000);
|
|
|
|
macro_rules! check_send_rejected {
|
|
() => {
|
|
// If we try to resend a new payment with a different payment_hash but with the same
|
|
// payment_id, it should be rejected.
|
|
let send_result = nodes[0].node.send_payment_with_route(&route, second_payment_hash,
|
|
RecipientOnionFields::secret_only(second_payment_secret), payment_id);
|
|
match send_result {
|
|
Err(PaymentSendFailure::DuplicatePayment) => {},
|
|
_ => panic!("Unexpected send result: {:?}", send_result),
|
|
}
|
|
|
|
// Further, if we try to send a spontaneous payment with the same payment_id it should
|
|
// also be rejected.
|
|
let send_result = nodes[0].node.send_spontaneous_payment(
|
|
&route, None, RecipientOnionFields::spontaneous_empty(), payment_id);
|
|
match send_result {
|
|
Err(PaymentSendFailure::DuplicatePayment) => {},
|
|
_ => panic!("Unexpected send result: {:?}", send_result),
|
|
}
|
|
}
|
|
}
|
|
|
|
check_send_rejected!();
|
|
|
|
nodes[1].node.fail_htlc_backwards(&first_payment_hash);
|
|
expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[1], [HTLCDestination::FailedPayment { payment_hash: first_payment_hash }]);
|
|
|
|
// Until we abandon the payment upon path failure, no matter how many timer ticks pass, we still cannot reuse the
|
|
// PaymentId.
|
|
for _ in 0..=IDEMPOTENCY_TIMEOUT_TICKS {
|
|
nodes[0].node.timer_tick_occurred();
|
|
}
|
|
check_send_rejected!();
|
|
|
|
pass_failed_payment_back(&nodes[0], &[&[&nodes[1]]], false, first_payment_hash, PaymentFailureReason::RecipientRejected);
|
|
|
|
// However, we can reuse the PaymentId immediately after we `abandon_payment` upon passing the
|
|
// failed payment back.
|
|
nodes[0].node.send_payment_with_route(&route, second_payment_hash,
|
|
RecipientOnionFields::secret_only(second_payment_secret), payment_id).unwrap();
|
|
check_added_monitors!(nodes[0], 1);
|
|
pass_along_route(&nodes[0], &[&[&nodes[1]]], 100_000, second_payment_hash, second_payment_secret);
|
|
claim_payment(&nodes[0], &[&nodes[1]], second_payment_preimage);
|
|
}
|
|
|
|
#[derive(PartialEq)]
|
|
enum InterceptTest {
|
|
Forward,
|
|
Fail,
|
|
Timeout,
|
|
}
|
|
|
|
#[test]
|
|
fn test_trivial_inflight_htlc_tracking(){
|
|
// In this test, we test three scenarios:
|
|
// (1) Sending + claiming a payment successfully should return `None` when querying InFlightHtlcs
|
|
// (2) Sending a payment without claiming it should return the payment's value (500000) when querying InFlightHtlcs
|
|
// (3) After we claim the payment sent in (2), InFlightHtlcs should return `None` for the query.
|
|
let chanmon_cfgs = create_chanmon_cfgs(3);
|
|
let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
|
|
let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]);
|
|
let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
|
|
|
|
let (_, _, chan_1_id, _) = create_announced_chan_between_nodes(&nodes, 0, 1);
|
|
let (_, _, chan_2_id, _) = create_announced_chan_between_nodes(&nodes, 1, 2);
|
|
|
|
// Send and claim the payment. Inflight HTLCs should be empty.
|
|
let (_, payment_hash, _, payment_id) = send_payment(&nodes[0], &[&nodes[1], &nodes[2]], 500000);
|
|
let inflight_htlcs = node_chanmgrs[0].compute_inflight_htlcs();
|
|
{
|
|
let mut node_0_per_peer_lock;
|
|
let mut node_0_peer_state_lock;
|
|
let channel_1 = get_channel_ref!(&nodes[0], nodes[1], node_0_per_peer_lock, node_0_peer_state_lock, chan_1_id);
|
|
|
|
let chan_1_used_liquidity = inflight_htlcs.used_liquidity_msat(
|
|
&NodeId::from_pubkey(&nodes[0].node.get_our_node_id()) ,
|
|
&NodeId::from_pubkey(&nodes[1].node.get_our_node_id()),
|
|
channel_1.context().get_short_channel_id().unwrap()
|
|
);
|
|
assert_eq!(chan_1_used_liquidity, None);
|
|
}
|
|
{
|
|
let mut node_1_per_peer_lock;
|
|
let mut node_1_peer_state_lock;
|
|
let channel_2 = get_channel_ref!(&nodes[1], nodes[2], node_1_per_peer_lock, node_1_peer_state_lock, chan_2_id);
|
|
|
|
let chan_2_used_liquidity = inflight_htlcs.used_liquidity_msat(
|
|
&NodeId::from_pubkey(&nodes[1].node.get_our_node_id()) ,
|
|
&NodeId::from_pubkey(&nodes[2].node.get_our_node_id()),
|
|
channel_2.context().get_short_channel_id().unwrap()
|
|
);
|
|
|
|
assert_eq!(chan_2_used_liquidity, None);
|
|
}
|
|
let pending_payments = nodes[0].node.list_recent_payments();
|
|
assert_eq!(pending_payments.len(), 1);
|
|
assert_eq!(pending_payments[0], RecentPaymentDetails::Fulfilled { payment_hash: Some(payment_hash), payment_id });
|
|
|
|
// Remove fulfilled payment
|
|
for _ in 0..=IDEMPOTENCY_TIMEOUT_TICKS {
|
|
nodes[0].node.timer_tick_occurred();
|
|
}
|
|
|
|
// Send the payment, but do not claim it. Our inflight HTLCs should contain the pending payment.
|
|
let (payment_preimage, payment_hash, _, payment_id) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 500000);
|
|
let inflight_htlcs = node_chanmgrs[0].compute_inflight_htlcs();
|
|
{
|
|
let mut node_0_per_peer_lock;
|
|
let mut node_0_peer_state_lock;
|
|
let channel_1 = get_channel_ref!(&nodes[0], nodes[1], node_0_per_peer_lock, node_0_peer_state_lock, chan_1_id);
|
|
|
|
let chan_1_used_liquidity = inflight_htlcs.used_liquidity_msat(
|
|
&NodeId::from_pubkey(&nodes[0].node.get_our_node_id()) ,
|
|
&NodeId::from_pubkey(&nodes[1].node.get_our_node_id()),
|
|
channel_1.context().get_short_channel_id().unwrap()
|
|
);
|
|
// First hop accounts for expected 1000 msat fee
|
|
assert_eq!(chan_1_used_liquidity, Some(501000));
|
|
}
|
|
{
|
|
let mut node_1_per_peer_lock;
|
|
let mut node_1_peer_state_lock;
|
|
let channel_2 = get_channel_ref!(&nodes[1], nodes[2], node_1_per_peer_lock, node_1_peer_state_lock, chan_2_id);
|
|
|
|
let chan_2_used_liquidity = inflight_htlcs.used_liquidity_msat(
|
|
&NodeId::from_pubkey(&nodes[1].node.get_our_node_id()) ,
|
|
&NodeId::from_pubkey(&nodes[2].node.get_our_node_id()),
|
|
channel_2.context().get_short_channel_id().unwrap()
|
|
);
|
|
|
|
assert_eq!(chan_2_used_liquidity, Some(500000));
|
|
}
|
|
let pending_payments = nodes[0].node.list_recent_payments();
|
|
assert_eq!(pending_payments.len(), 1);
|
|
assert_eq!(pending_payments[0], RecentPaymentDetails::Pending { payment_id, payment_hash, total_msat: 500000 });
|
|
|
|
// Now, let's claim the payment. This should result in the used liquidity to return `None`.
|
|
claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], payment_preimage);
|
|
|
|
// Remove fulfilled payment
|
|
for _ in 0..=IDEMPOTENCY_TIMEOUT_TICKS {
|
|
nodes[0].node.timer_tick_occurred();
|
|
}
|
|
|
|
let inflight_htlcs = node_chanmgrs[0].compute_inflight_htlcs();
|
|
{
|
|
let mut node_0_per_peer_lock;
|
|
let mut node_0_peer_state_lock;
|
|
let channel_1 = get_channel_ref!(&nodes[0], nodes[1], node_0_per_peer_lock, node_0_peer_state_lock, chan_1_id);
|
|
|
|
let chan_1_used_liquidity = inflight_htlcs.used_liquidity_msat(
|
|
&NodeId::from_pubkey(&nodes[0].node.get_our_node_id()) ,
|
|
&NodeId::from_pubkey(&nodes[1].node.get_our_node_id()),
|
|
channel_1.context().get_short_channel_id().unwrap()
|
|
);
|
|
assert_eq!(chan_1_used_liquidity, None);
|
|
}
|
|
{
|
|
let mut node_1_per_peer_lock;
|
|
let mut node_1_peer_state_lock;
|
|
let channel_2 = get_channel_ref!(&nodes[1], nodes[2], node_1_per_peer_lock, node_1_peer_state_lock, chan_2_id);
|
|
|
|
let chan_2_used_liquidity = inflight_htlcs.used_liquidity_msat(
|
|
&NodeId::from_pubkey(&nodes[1].node.get_our_node_id()) ,
|
|
&NodeId::from_pubkey(&nodes[2].node.get_our_node_id()),
|
|
channel_2.context().get_short_channel_id().unwrap()
|
|
);
|
|
assert_eq!(chan_2_used_liquidity, None);
|
|
}
|
|
|
|
let pending_payments = nodes[0].node.list_recent_payments();
|
|
assert_eq!(pending_payments.len(), 0);
|
|
}
|
|
|
|
#[test]
|
|
fn test_holding_cell_inflight_htlcs() {
|
|
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 mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
|
|
let channel_id = create_announced_chan_between_nodes(&nodes, 0, 1).2;
|
|
|
|
let (route, payment_hash_1, _, payment_secret_1) = get_route_and_payment_hash!(nodes[0], nodes[1], 1000000);
|
|
let (_, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(nodes[1]);
|
|
|
|
// Queue up two payments - one will be delivered right away, one immediately goes into the
|
|
// holding cell as nodes[0] is AwaitingRAA.
|
|
{
|
|
nodes[0].node.send_payment_with_route(&route, payment_hash_1,
|
|
RecipientOnionFields::secret_only(payment_secret_1), PaymentId(payment_hash_1.0)).unwrap();
|
|
check_added_monitors!(nodes[0], 1);
|
|
nodes[0].node.send_payment_with_route(&route, payment_hash_2,
|
|
RecipientOnionFields::secret_only(payment_secret_2), PaymentId(payment_hash_2.0)).unwrap();
|
|
check_added_monitors!(nodes[0], 0);
|
|
}
|
|
|
|
let inflight_htlcs = node_chanmgrs[0].compute_inflight_htlcs();
|
|
|
|
{
|
|
let mut node_0_per_peer_lock;
|
|
let mut node_0_peer_state_lock;
|
|
let channel = get_channel_ref!(&nodes[0], nodes[1], node_0_per_peer_lock, node_0_peer_state_lock, channel_id);
|
|
|
|
let used_liquidity = inflight_htlcs.used_liquidity_msat(
|
|
&NodeId::from_pubkey(&nodes[0].node.get_our_node_id()) ,
|
|
&NodeId::from_pubkey(&nodes[1].node.get_our_node_id()),
|
|
channel.context().get_short_channel_id().unwrap()
|
|
);
|
|
|
|
assert_eq!(used_liquidity, Some(2000000));
|
|
}
|
|
|
|
// Clear pending events so test doesn't throw a "Had excess message on node..." error
|
|
nodes[0].node.get_and_clear_pending_msg_events();
|
|
}
|
|
|
|
#[test]
|
|
fn intercepted_payment() {
|
|
// Test that detecting an intercept scid on payment forward will signal LDK to generate an
|
|
// intercept event, which the LSP can then use to either (a) open a JIT channel to forward the
|
|
// payment or (b) fail the payment.
|
|
do_test_intercepted_payment(InterceptTest::Forward);
|
|
do_test_intercepted_payment(InterceptTest::Fail);
|
|
// Make sure that intercepted payments will be automatically failed back if too many blocks pass.
|
|
do_test_intercepted_payment(InterceptTest::Timeout);
|
|
}
|
|
|
|
fn do_test_intercepted_payment(test: InterceptTest) {
|
|
let chanmon_cfgs = create_chanmon_cfgs(3);
|
|
let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
|
|
|
|
let mut zero_conf_chan_config = test_default_channel_config();
|
|
zero_conf_chan_config.manually_accept_inbound_channels = true;
|
|
let mut intercept_forwards_config = test_default_channel_config();
|
|
intercept_forwards_config.accept_intercept_htlcs = true;
|
|
let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, Some(intercept_forwards_config), Some(zero_conf_chan_config)]);
|
|
|
|
let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
|
|
let scorer = test_utils::TestScorer::new();
|
|
let random_seed_bytes = chanmon_cfgs[0].keys_manager.get_secure_random_bytes();
|
|
|
|
let _ = create_announced_chan_between_nodes(&nodes, 0, 1).2;
|
|
|
|
let amt_msat = 100_000;
|
|
let intercept_scid = nodes[1].node.get_intercept_scid();
|
|
let payment_params = PaymentParameters::from_node_id(nodes[2].node.get_our_node_id(), TEST_FINAL_CLTV)
|
|
.with_route_hints(vec![
|
|
RouteHint(vec![RouteHintHop {
|
|
src_node_id: nodes[1].node.get_our_node_id(),
|
|
short_channel_id: intercept_scid,
|
|
fees: RoutingFees {
|
|
base_msat: 1000,
|
|
proportional_millionths: 0,
|
|
},
|
|
cltv_expiry_delta: MIN_CLTV_EXPIRY_DELTA,
|
|
htlc_minimum_msat: None,
|
|
htlc_maximum_msat: None,
|
|
}])
|
|
]).unwrap()
|
|
.with_bolt11_features(nodes[2].node.invoice_features()).unwrap();
|
|
let route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat,);
|
|
let route = get_route(&nodes[0].node.get_our_node_id(), &route_params,
|
|
&nodes[0].network_graph.read_only(), None, nodes[0].logger, &scorer, &Default::default(),
|
|
&random_seed_bytes).unwrap();
|
|
|
|
let (payment_hash, payment_secret) = nodes[2].node.create_inbound_payment(Some(amt_msat), 60 * 60, None).unwrap();
|
|
nodes[0].node.send_payment_with_route(&route, payment_hash,
|
|
RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0)).unwrap();
|
|
let payment_event = {
|
|
{
|
|
let mut added_monitors = nodes[0].chain_monitor.added_monitors.lock().unwrap();
|
|
assert_eq!(added_monitors.len(), 1);
|
|
added_monitors.clear();
|
|
}
|
|
let mut events = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(events.len(), 1);
|
|
SendEvent::from_event(events.remove(0))
|
|
};
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]);
|
|
commitment_signed_dance!(nodes[1], nodes[0], &payment_event.commitment_msg, false, true);
|
|
|
|
// Check that we generate the PaymentIntercepted event when an intercept forward is detected.
|
|
let events = nodes[1].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 1);
|
|
let (intercept_id, expected_outbound_amount_msat) = match events[0] {
|
|
crate::events::Event::HTLCIntercepted {
|
|
intercept_id, expected_outbound_amount_msat, payment_hash: pmt_hash, inbound_amount_msat, requested_next_hop_scid: short_channel_id
|
|
} => {
|
|
assert_eq!(pmt_hash, payment_hash);
|
|
assert_eq!(inbound_amount_msat, route.get_total_amount() + route.get_total_fees());
|
|
assert_eq!(short_channel_id, intercept_scid);
|
|
(intercept_id, expected_outbound_amount_msat)
|
|
},
|
|
_ => panic!()
|
|
};
|
|
|
|
// Check for unknown channel id error.
|
|
let unknown_chan_id_err = nodes[1].node.forward_intercepted_htlc(intercept_id, &ChannelId::from_bytes([42; 32]), nodes[2].node.get_our_node_id(), expected_outbound_amount_msat).unwrap_err();
|
|
assert_eq!(unknown_chan_id_err , APIError::ChannelUnavailable {
|
|
err: format!("Channel with id {} not found for the passed counterparty node_id {}.",
|
|
log_bytes!([42; 32]), nodes[2].node.get_our_node_id()) });
|
|
|
|
if test == InterceptTest::Fail {
|
|
// Ensure we can fail the intercepted payment back.
|
|
nodes[1].node.fail_intercepted_htlc(intercept_id).unwrap();
|
|
expect_pending_htlcs_forwardable_and_htlc_handling_failed_ignore!(nodes[1], vec![HTLCDestination::UnknownNextHop { requested_forward_scid: intercept_scid }]);
|
|
nodes[1].node.process_pending_htlc_forwards();
|
|
let update_fail = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
check_added_monitors!(&nodes[1], 1);
|
|
assert!(update_fail.update_fail_htlcs.len() == 1);
|
|
let fail_msg = update_fail.update_fail_htlcs[0].clone();
|
|
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &fail_msg);
|
|
commitment_signed_dance!(nodes[0], nodes[1], update_fail.commitment_signed, false);
|
|
|
|
// Ensure the payment fails with the expected error.
|
|
let fail_conditions = PaymentFailedConditions::new()
|
|
.blamed_scid(intercept_scid)
|
|
.blamed_chan_closed(true)
|
|
.expected_htlc_error_data(0x4000 | 10, &[]);
|
|
expect_payment_failed_conditions(&nodes[0], payment_hash, false, fail_conditions);
|
|
} else if test == InterceptTest::Forward {
|
|
// Check that we'll fail as expected when sending to a channel that isn't in `ChannelReady` yet.
|
|
let temp_chan_id = nodes[1].node.create_channel(nodes[2].node.get_our_node_id(), 100_000, 0, 42, None).unwrap();
|
|
let unusable_chan_err = nodes[1].node.forward_intercepted_htlc(intercept_id, &temp_chan_id, nodes[2].node.get_our_node_id(), expected_outbound_amount_msat).unwrap_err();
|
|
assert_eq!(unusable_chan_err , APIError::ChannelUnavailable {
|
|
err: format!("Channel with id {} for the passed counterparty node_id {} is still opening.",
|
|
temp_chan_id, nodes[2].node.get_our_node_id()) });
|
|
assert_eq!(nodes[1].node.get_and_clear_pending_msg_events().len(), 1);
|
|
|
|
// Open the just-in-time channel so the payment can then be forwarded.
|
|
let (_, channel_id) = open_zero_conf_channel(&nodes[1], &nodes[2], None);
|
|
|
|
// Finally, forward the intercepted payment through and claim it.
|
|
nodes[1].node.forward_intercepted_htlc(intercept_id, &channel_id, nodes[2].node.get_our_node_id(), expected_outbound_amount_msat).unwrap();
|
|
expect_pending_htlcs_forwardable!(nodes[1]);
|
|
|
|
let payment_event = {
|
|
{
|
|
let mut added_monitors = nodes[1].chain_monitor.added_monitors.lock().unwrap();
|
|
assert_eq!(added_monitors.len(), 1);
|
|
added_monitors.clear();
|
|
}
|
|
let mut events = nodes[1].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(events.len(), 1);
|
|
SendEvent::from_event(events.remove(0))
|
|
};
|
|
nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &payment_event.msgs[0]);
|
|
commitment_signed_dance!(nodes[2], nodes[1], &payment_event.commitment_msg, false, true);
|
|
expect_pending_htlcs_forwardable!(nodes[2]);
|
|
|
|
let payment_preimage = nodes[2].node.get_payment_preimage(payment_hash, payment_secret).unwrap();
|
|
expect_payment_claimable!(&nodes[2], payment_hash, payment_secret, amt_msat, Some(payment_preimage), nodes[2].node.get_our_node_id());
|
|
do_claim_payment_along_route(&nodes[0], &vec!(&vec!(&nodes[1], &nodes[2])[..]), false, payment_preimage);
|
|
let events = nodes[0].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 2);
|
|
match events[0] {
|
|
Event::PaymentSent { payment_preimage: ref ev_preimage, payment_hash: ref ev_hash, ref fee_paid_msat, .. } => {
|
|
assert_eq!(payment_preimage, *ev_preimage);
|
|
assert_eq!(payment_hash, *ev_hash);
|
|
assert_eq!(fee_paid_msat, &Some(1000));
|
|
},
|
|
_ => panic!("Unexpected event")
|
|
}
|
|
match events[1] {
|
|
Event::PaymentPathSuccessful { payment_hash: hash, .. } => {
|
|
assert_eq!(hash, Some(payment_hash));
|
|
},
|
|
_ => panic!("Unexpected event")
|
|
}
|
|
check_added_monitors(&nodes[0], 1);
|
|
} else if test == InterceptTest::Timeout {
|
|
let mut block = create_dummy_block(nodes[0].best_block_hash(), 42, Vec::new());
|
|
connect_block(&nodes[0], &block);
|
|
connect_block(&nodes[1], &block);
|
|
for _ in 0..TEST_FINAL_CLTV {
|
|
block.header.prev_blockhash = block.block_hash();
|
|
connect_block(&nodes[0], &block);
|
|
connect_block(&nodes[1], &block);
|
|
}
|
|
expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[1], vec![HTLCDestination::InvalidForward { requested_forward_scid: intercept_scid }]);
|
|
check_added_monitors!(nodes[1], 1);
|
|
let htlc_timeout_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
assert!(htlc_timeout_updates.update_add_htlcs.is_empty());
|
|
assert_eq!(htlc_timeout_updates.update_fail_htlcs.len(), 1);
|
|
assert!(htlc_timeout_updates.update_fail_malformed_htlcs.is_empty());
|
|
assert!(htlc_timeout_updates.update_fee.is_none());
|
|
|
|
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &htlc_timeout_updates.update_fail_htlcs[0]);
|
|
commitment_signed_dance!(nodes[0], nodes[1], htlc_timeout_updates.commitment_signed, false);
|
|
expect_payment_failed!(nodes[0], payment_hash, false, 0x2000 | 2, []);
|
|
|
|
// Check for unknown intercept id error.
|
|
let (_, channel_id) = open_zero_conf_channel(&nodes[1], &nodes[2], None);
|
|
let unknown_intercept_id_err = nodes[1].node.forward_intercepted_htlc(intercept_id, &channel_id, nodes[2].node.get_our_node_id(), expected_outbound_amount_msat).unwrap_err();
|
|
assert_eq!(unknown_intercept_id_err , APIError::APIMisuseError { err: format!("Payment with intercept id {} not found", log_bytes!(intercept_id.0)) });
|
|
let unknown_intercept_id_err = nodes[1].node.fail_intercepted_htlc(intercept_id).unwrap_err();
|
|
assert_eq!(unknown_intercept_id_err , APIError::APIMisuseError { err: format!("Payment with intercept id {} not found", log_bytes!(intercept_id.0)) });
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn accept_underpaying_htlcs_config() {
|
|
do_accept_underpaying_htlcs_config(1);
|
|
do_accept_underpaying_htlcs_config(2);
|
|
do_accept_underpaying_htlcs_config(3);
|
|
}
|
|
|
|
fn do_accept_underpaying_htlcs_config(num_mpp_parts: usize) {
|
|
let chanmon_cfgs = create_chanmon_cfgs(3);
|
|
let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
|
|
let mut intercept_forwards_config = test_default_channel_config();
|
|
intercept_forwards_config.accept_intercept_htlcs = true;
|
|
let mut underpay_config = test_default_channel_config();
|
|
underpay_config.channel_config.accept_underpaying_htlcs = true;
|
|
let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, Some(intercept_forwards_config), Some(underpay_config)]);
|
|
let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
|
|
|
|
let mut chan_ids = Vec::new();
|
|
for _ in 0..num_mpp_parts {
|
|
let _ = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 10_000, 0);
|
|
let channel_id = create_unannounced_chan_between_nodes_with_value(&nodes, 1, 2, 2_000_000, 0).0.channel_id;
|
|
chan_ids.push(channel_id);
|
|
}
|
|
|
|
// Send the initial payment.
|
|
let amt_msat = 900_000;
|
|
let skimmed_fee_msat = 20;
|
|
let mut route_hints = Vec::new();
|
|
for _ in 0..num_mpp_parts {
|
|
route_hints.push(RouteHint(vec![RouteHintHop {
|
|
src_node_id: nodes[1].node.get_our_node_id(),
|
|
short_channel_id: nodes[1].node.get_intercept_scid(),
|
|
fees: RoutingFees {
|
|
base_msat: 1000,
|
|
proportional_millionths: 0,
|
|
},
|
|
cltv_expiry_delta: MIN_CLTV_EXPIRY_DELTA,
|
|
htlc_minimum_msat: None,
|
|
htlc_maximum_msat: Some(amt_msat / num_mpp_parts as u64 + 5),
|
|
}]));
|
|
}
|
|
let payment_params = PaymentParameters::from_node_id(nodes[2].node.get_our_node_id(), TEST_FINAL_CLTV)
|
|
.with_route_hints(route_hints).unwrap()
|
|
.with_bolt11_features(nodes[2].node.invoice_features()).unwrap();
|
|
let route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
|
|
let (payment_hash, payment_secret) = nodes[2].node.create_inbound_payment(Some(amt_msat), 60 * 60, None).unwrap();
|
|
nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
|
|
PaymentId(payment_hash.0), route_params, Retry::Attempts(0)).unwrap();
|
|
check_added_monitors!(nodes[0], num_mpp_parts); // one monitor per path
|
|
let mut events: Vec<SendEvent> = nodes[0].node.get_and_clear_pending_msg_events().into_iter().map(|e| SendEvent::from_event(e)).collect();
|
|
assert_eq!(events.len(), num_mpp_parts);
|
|
|
|
// Forward the intercepted payments.
|
|
for (idx, ev) in events.into_iter().enumerate() {
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &ev.msgs[0]);
|
|
do_commitment_signed_dance(&nodes[1], &nodes[0], &ev.commitment_msg, false, true);
|
|
|
|
let events = nodes[1].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 1);
|
|
let (intercept_id, expected_outbound_amt_msat) = match events[0] {
|
|
crate::events::Event::HTLCIntercepted {
|
|
intercept_id, expected_outbound_amount_msat, payment_hash: pmt_hash, ..
|
|
} => {
|
|
assert_eq!(pmt_hash, payment_hash);
|
|
(intercept_id, expected_outbound_amount_msat)
|
|
},
|
|
_ => panic!()
|
|
};
|
|
nodes[1].node.forward_intercepted_htlc(intercept_id, &chan_ids[idx],
|
|
nodes[2].node.get_our_node_id(), expected_outbound_amt_msat - skimmed_fee_msat).unwrap();
|
|
expect_pending_htlcs_forwardable!(nodes[1]);
|
|
let payment_event = {
|
|
{
|
|
let mut added_monitors = nodes[1].chain_monitor.added_monitors.lock().unwrap();
|
|
assert_eq!(added_monitors.len(), 1);
|
|
added_monitors.clear();
|
|
}
|
|
let mut events = nodes[1].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(events.len(), 1);
|
|
SendEvent::from_event(events.remove(0))
|
|
};
|
|
nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &payment_event.msgs[0]);
|
|
do_commitment_signed_dance(&nodes[2], &nodes[1], &payment_event.commitment_msg, false, true);
|
|
if idx == num_mpp_parts - 1 {
|
|
expect_pending_htlcs_forwardable!(nodes[2]);
|
|
}
|
|
}
|
|
|
|
// Claim the payment and check that the skimmed fee is as expected.
|
|
let payment_preimage = nodes[2].node.get_payment_preimage(payment_hash, payment_secret).unwrap();
|
|
let events = nodes[2].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 1);
|
|
match events[0] {
|
|
crate::events::Event::PaymentClaimable {
|
|
ref payment_hash, ref purpose, amount_msat, counterparty_skimmed_fee_msat, receiver_node_id, ..
|
|
} => {
|
|
assert_eq!(payment_hash, payment_hash);
|
|
assert_eq!(amt_msat - skimmed_fee_msat * num_mpp_parts as u64, amount_msat);
|
|
assert_eq!(skimmed_fee_msat * num_mpp_parts as u64, counterparty_skimmed_fee_msat);
|
|
assert_eq!(nodes[2].node.get_our_node_id(), receiver_node_id.unwrap());
|
|
match purpose {
|
|
crate::events::PaymentPurpose::InvoicePayment { payment_preimage: ev_payment_preimage,
|
|
payment_secret: ev_payment_secret, .. } =>
|
|
{
|
|
assert_eq!(payment_preimage, ev_payment_preimage.unwrap());
|
|
assert_eq!(payment_secret, *ev_payment_secret);
|
|
},
|
|
_ => panic!(),
|
|
}
|
|
},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
let mut expected_paths_vecs = Vec::new();
|
|
let mut expected_paths = Vec::new();
|
|
for _ in 0..num_mpp_parts { expected_paths_vecs.push(vec!(&nodes[1], &nodes[2])); }
|
|
for i in 0..num_mpp_parts { expected_paths.push(&expected_paths_vecs[i][..]); }
|
|
let total_fee_msat = do_claim_payment_along_route_with_extra_penultimate_hop_fees(
|
|
&nodes[0], &expected_paths[..], &vec![skimmed_fee_msat as u32; num_mpp_parts][..], false,
|
|
payment_preimage);
|
|
// The sender doesn't know that the penultimate hop took an extra fee.
|
|
expect_payment_sent(&nodes[0], payment_preimage,
|
|
Some(Some(total_fee_msat - skimmed_fee_msat * num_mpp_parts as u64)), true, true);
|
|
}
|
|
|
|
#[derive(PartialEq)]
|
|
enum AutoRetry {
|
|
Success,
|
|
Spontaneous,
|
|
FailAttempts,
|
|
FailTimeout,
|
|
FailOnRestart,
|
|
FailOnRetry,
|
|
}
|
|
|
|
#[test]
|
|
fn automatic_retries() {
|
|
do_automatic_retries(AutoRetry::Success);
|
|
do_automatic_retries(AutoRetry::Spontaneous);
|
|
do_automatic_retries(AutoRetry::FailAttempts);
|
|
do_automatic_retries(AutoRetry::FailTimeout);
|
|
do_automatic_retries(AutoRetry::FailOnRestart);
|
|
do_automatic_retries(AutoRetry::FailOnRetry);
|
|
}
|
|
fn do_automatic_retries(test: AutoRetry) {
|
|
// Test basic automatic payment retries in ChannelManager. See individual `test` variant comments
|
|
// below.
|
|
let chanmon_cfgs = create_chanmon_cfgs(3);
|
|
let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
|
|
let persister;
|
|
let new_chain_monitor;
|
|
|
|
let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]);
|
|
let node_0_deserialized;
|
|
|
|
let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
|
|
let channel_id_1 = create_announced_chan_between_nodes(&nodes, 0, 1).2;
|
|
let channel_id_2 = create_announced_chan_between_nodes(&nodes, 2, 1).2;
|
|
|
|
// Marshall data to send the payment
|
|
#[cfg(feature = "std")]
|
|
let payment_expiry_secs = SystemTime::UNIX_EPOCH.elapsed().unwrap().as_secs() + 60 * 60;
|
|
#[cfg(not(feature = "std"))]
|
|
let payment_expiry_secs = 60 * 60;
|
|
let amt_msat = 1000;
|
|
let mut invoice_features = Bolt11InvoiceFeatures::empty();
|
|
invoice_features.set_variable_length_onion_required();
|
|
invoice_features.set_payment_secret_required();
|
|
invoice_features.set_basic_mpp_optional();
|
|
let payment_params = PaymentParameters::from_node_id(nodes[2].node.get_our_node_id(), TEST_FINAL_CLTV)
|
|
.with_expiry_time(payment_expiry_secs as u64)
|
|
.with_bolt11_features(invoice_features).unwrap();
|
|
let route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
|
|
let (_, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[2], amt_msat);
|
|
|
|
macro_rules! pass_failed_attempt_with_retry_along_path {
|
|
($failing_channel_id: expr, $expect_pending_htlcs_forwardable: expr) => {
|
|
// Send a payment attempt that fails due to lack of liquidity on the second hop
|
|
check_added_monitors!(nodes[0], 1);
|
|
let update_0 = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
|
|
let mut update_add = update_0.update_add_htlcs[0].clone();
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &update_add);
|
|
commitment_signed_dance!(nodes[1], nodes[0], &update_0.commitment_signed, false, true);
|
|
expect_pending_htlcs_forwardable_ignore!(nodes[1]);
|
|
nodes[1].node.process_pending_htlc_forwards();
|
|
expect_pending_htlcs_forwardable_and_htlc_handling_failed_ignore!(nodes[1],
|
|
vec![HTLCDestination::NextHopChannel {
|
|
node_id: Some(nodes[2].node.get_our_node_id()),
|
|
channel_id: $failing_channel_id,
|
|
}]);
|
|
nodes[1].node.process_pending_htlc_forwards();
|
|
let update_1 = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
check_added_monitors!(&nodes[1], 1);
|
|
assert!(update_1.update_fail_htlcs.len() == 1);
|
|
let fail_msg = update_1.update_fail_htlcs[0].clone();
|
|
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &fail_msg);
|
|
commitment_signed_dance!(nodes[0], nodes[1], update_1.commitment_signed, false);
|
|
|
|
// Ensure the attempt fails and a new PendingHTLCsForwardable event is generated for the retry
|
|
let mut events = nodes[0].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 2);
|
|
match events[0] {
|
|
Event::PaymentPathFailed { payment_hash: ev_payment_hash, payment_failed_permanently, .. } => {
|
|
assert_eq!(payment_hash, ev_payment_hash);
|
|
assert_eq!(payment_failed_permanently, false);
|
|
},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
if $expect_pending_htlcs_forwardable {
|
|
match events[1] {
|
|
Event::PendingHTLCsForwardable { .. } => {},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
} else {
|
|
match events[1] {
|
|
Event::PaymentFailed { payment_hash: ev_payment_hash, .. } => {
|
|
assert_eq!(payment_hash, ev_payment_hash);
|
|
},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if test == AutoRetry::Success {
|
|
// Test that we can succeed on the first retry.
|
|
nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
|
|
PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
|
|
pass_failed_attempt_with_retry_along_path!(channel_id_2, true);
|
|
|
|
// Open a new channel with liquidity on the second hop so we can find a route for the retry
|
|
// attempt, since the initial second hop channel will be excluded from pathfinding
|
|
create_announced_chan_between_nodes(&nodes, 1, 2);
|
|
|
|
// We retry payments in `process_pending_htlc_forwards`
|
|
nodes[0].node.process_pending_htlc_forwards();
|
|
check_added_monitors!(nodes[0], 1);
|
|
let mut msg_events = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(msg_events.len(), 1);
|
|
pass_along_path(&nodes[0], &[&nodes[1], &nodes[2]], amt_msat, payment_hash, Some(payment_secret), msg_events.pop().unwrap(), true, None);
|
|
claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], false, payment_preimage);
|
|
} else if test == AutoRetry::Spontaneous {
|
|
nodes[0].node.send_spontaneous_payment_with_retry(Some(payment_preimage),
|
|
RecipientOnionFields::spontaneous_empty(), PaymentId(payment_hash.0), route_params,
|
|
Retry::Attempts(1)).unwrap();
|
|
pass_failed_attempt_with_retry_along_path!(channel_id_2, true);
|
|
|
|
// Open a new channel with liquidity on the second hop so we can find a route for the retry
|
|
// attempt, since the initial second hop channel will be excluded from pathfinding
|
|
create_announced_chan_between_nodes(&nodes, 1, 2);
|
|
|
|
// We retry payments in `process_pending_htlc_forwards`
|
|
nodes[0].node.process_pending_htlc_forwards();
|
|
check_added_monitors!(nodes[0], 1);
|
|
let mut msg_events = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(msg_events.len(), 1);
|
|
pass_along_path(&nodes[0], &[&nodes[1], &nodes[2]], amt_msat, payment_hash, None, msg_events.pop().unwrap(), true, Some(payment_preimage));
|
|
claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], false, payment_preimage);
|
|
} else if test == AutoRetry::FailAttempts {
|
|
// Ensure ChannelManager will not retry a payment if it has run out of payment attempts.
|
|
nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
|
|
PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
|
|
pass_failed_attempt_with_retry_along_path!(channel_id_2, true);
|
|
|
|
// Open a new channel with no liquidity on the second hop so we can find a (bad) route for
|
|
// the retry attempt, since the initial second hop channel will be excluded from pathfinding
|
|
let channel_id_3 = create_announced_chan_between_nodes(&nodes, 2, 1).2;
|
|
|
|
// We retry payments in `process_pending_htlc_forwards`
|
|
nodes[0].node.process_pending_htlc_forwards();
|
|
pass_failed_attempt_with_retry_along_path!(channel_id_3, false);
|
|
|
|
// Ensure we won't retry a second time.
|
|
nodes[0].node.process_pending_htlc_forwards();
|
|
let mut msg_events = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(msg_events.len(), 0);
|
|
} else if test == AutoRetry::FailTimeout {
|
|
#[cfg(not(feature = "no-std"))] {
|
|
// Ensure ChannelManager will not retry a payment if it times out due to Retry::Timeout.
|
|
nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
|
|
PaymentId(payment_hash.0), route_params, Retry::Timeout(Duration::from_secs(60))).unwrap();
|
|
pass_failed_attempt_with_retry_along_path!(channel_id_2, true);
|
|
|
|
// Advance the time so the second attempt fails due to timeout.
|
|
SinceEpoch::advance(Duration::from_secs(61));
|
|
|
|
// Make sure we don't retry again.
|
|
nodes[0].node.process_pending_htlc_forwards();
|
|
let mut msg_events = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(msg_events.len(), 0);
|
|
|
|
let mut events = nodes[0].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 1);
|
|
match events[0] {
|
|
Event::PaymentFailed { payment_hash: ref ev_payment_hash, payment_id: ref ev_payment_id, reason: ref ev_reason } => {
|
|
assert_eq!(payment_hash, *ev_payment_hash);
|
|
assert_eq!(PaymentId(payment_hash.0), *ev_payment_id);
|
|
assert_eq!(PaymentFailureReason::RetriesExhausted, ev_reason.unwrap());
|
|
},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
}
|
|
} else if test == AutoRetry::FailOnRestart {
|
|
// Ensure ChannelManager will not retry a payment after restart, even if there were retry
|
|
// attempts remaining prior to restart.
|
|
nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
|
|
PaymentId(payment_hash.0), route_params, Retry::Attempts(2)).unwrap();
|
|
pass_failed_attempt_with_retry_along_path!(channel_id_2, true);
|
|
|
|
// Open a new channel with no liquidity on the second hop so we can find a (bad) route for
|
|
// the retry attempt, since the initial second hop channel will be excluded from pathfinding
|
|
let channel_id_3 = create_announced_chan_between_nodes(&nodes, 2, 1).2;
|
|
|
|
// Ensure the first retry attempt fails, with 1 retry attempt remaining
|
|
nodes[0].node.process_pending_htlc_forwards();
|
|
pass_failed_attempt_with_retry_along_path!(channel_id_3, true);
|
|
|
|
// Restart the node and ensure that ChannelManager does not use its remaining retry attempt
|
|
let node_encoded = nodes[0].node.encode();
|
|
let chan_1_monitor_serialized = get_monitor!(nodes[0], channel_id_1).encode();
|
|
reload_node!(nodes[0], node_encoded, &[&chan_1_monitor_serialized], persister, new_chain_monitor, node_0_deserialized);
|
|
|
|
let mut events = nodes[0].node.get_and_clear_pending_events();
|
|
expect_pending_htlcs_forwardable_from_events!(nodes[0], events, true);
|
|
// Make sure we don't retry again.
|
|
let mut msg_events = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(msg_events.len(), 0);
|
|
|
|
let mut events = nodes[0].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 1);
|
|
match events[0] {
|
|
Event::PaymentFailed { payment_hash: ref ev_payment_hash, payment_id: ref ev_payment_id, reason: ref ev_reason } => {
|
|
assert_eq!(payment_hash, *ev_payment_hash);
|
|
assert_eq!(PaymentId(payment_hash.0), *ev_payment_id);
|
|
assert_eq!(PaymentFailureReason::RetriesExhausted, ev_reason.unwrap());
|
|
},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
} else if test == AutoRetry::FailOnRetry {
|
|
nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
|
|
PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
|
|
pass_failed_attempt_with_retry_along_path!(channel_id_2, true);
|
|
|
|
// We retry payments in `process_pending_htlc_forwards`. Since our channel closed, we should
|
|
// fail to find a route.
|
|
nodes[0].node.process_pending_htlc_forwards();
|
|
let mut msg_events = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(msg_events.len(), 0);
|
|
|
|
let mut events = nodes[0].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 1);
|
|
match events[0] {
|
|
Event::PaymentFailed { payment_hash: ref ev_payment_hash, payment_id: ref ev_payment_id, reason: ref ev_reason } => {
|
|
assert_eq!(payment_hash, *ev_payment_hash);
|
|
assert_eq!(PaymentId(payment_hash.0), *ev_payment_id);
|
|
assert_eq!(PaymentFailureReason::RouteNotFound, ev_reason.unwrap());
|
|
},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn auto_retry_partial_failure() {
|
|
// Test that we'll retry appropriately on send partial failure and retry partial failure.
|
|
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 mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
|
|
|
|
// Open three channels, the first has plenty of liquidity, the second and third have ~no
|
|
// available liquidity, causing any outbound payments routed over it to fail immediately.
|
|
let chan_1_id = create_announced_chan_between_nodes(&nodes, 0, 1).0.contents.short_channel_id;
|
|
let chan_2_id = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 989_000_000).0.contents.short_channel_id;
|
|
let chan_3_id = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 989_000_000).0.contents.short_channel_id;
|
|
|
|
// Marshall data to send the payment
|
|
let amt_msat = 10_000_000;
|
|
let (_, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(&nodes[0], nodes[1], amt_msat);
|
|
#[cfg(feature = "std")]
|
|
let payment_expiry_secs = SystemTime::UNIX_EPOCH.elapsed().unwrap().as_secs() + 60 * 60;
|
|
#[cfg(not(feature = "std"))]
|
|
let payment_expiry_secs = 60 * 60;
|
|
let mut invoice_features = Bolt11InvoiceFeatures::empty();
|
|
invoice_features.set_variable_length_onion_required();
|
|
invoice_features.set_payment_secret_required();
|
|
invoice_features.set_basic_mpp_optional();
|
|
let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV)
|
|
.with_expiry_time(payment_expiry_secs as u64)
|
|
.with_bolt11_features(invoice_features).unwrap();
|
|
let mut route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
|
|
route_params.max_total_routing_fee_msat = None;
|
|
|
|
// Configure the initial send, retry1 and retry2's paths.
|
|
let send_route = Route {
|
|
paths: vec![
|
|
Path { hops: vec![RouteHop {
|
|
pubkey: nodes[1].node.get_our_node_id(),
|
|
node_features: nodes[1].node.node_features(),
|
|
short_channel_id: chan_1_id,
|
|
channel_features: nodes[1].node.channel_features(),
|
|
fee_msat: amt_msat / 2,
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}], blinded_tail: None },
|
|
Path { hops: vec![RouteHop {
|
|
pubkey: nodes[1].node.get_our_node_id(),
|
|
node_features: nodes[1].node.node_features(),
|
|
short_channel_id: chan_2_id,
|
|
channel_features: nodes[1].node.channel_features(),
|
|
fee_msat: amt_msat / 2,
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}], blinded_tail: None },
|
|
],
|
|
route_params: Some(route_params.clone()),
|
|
};
|
|
let retry_1_route = Route {
|
|
paths: vec![
|
|
Path { hops: vec![RouteHop {
|
|
pubkey: nodes[1].node.get_our_node_id(),
|
|
node_features: nodes[1].node.node_features(),
|
|
short_channel_id: chan_1_id,
|
|
channel_features: nodes[1].node.channel_features(),
|
|
fee_msat: amt_msat / 4,
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}], blinded_tail: None },
|
|
Path { hops: vec![RouteHop {
|
|
pubkey: nodes[1].node.get_our_node_id(),
|
|
node_features: nodes[1].node.node_features(),
|
|
short_channel_id: chan_3_id,
|
|
channel_features: nodes[1].node.channel_features(),
|
|
fee_msat: amt_msat / 4,
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}], blinded_tail: None },
|
|
],
|
|
route_params: Some(route_params.clone()),
|
|
};
|
|
let retry_2_route = Route {
|
|
paths: vec![
|
|
Path { hops: vec![RouteHop {
|
|
pubkey: nodes[1].node.get_our_node_id(),
|
|
node_features: nodes[1].node.node_features(),
|
|
short_channel_id: chan_1_id,
|
|
channel_features: nodes[1].node.channel_features(),
|
|
fee_msat: amt_msat / 4,
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}], blinded_tail: None },
|
|
],
|
|
route_params: Some(route_params.clone()),
|
|
};
|
|
nodes[0].router.expect_find_route(route_params.clone(), Ok(send_route));
|
|
let mut payment_params = route_params.payment_params.clone();
|
|
payment_params.previously_failed_channels.push(chan_2_id);
|
|
|
|
let mut retry_1_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat / 2);
|
|
retry_1_params.max_total_routing_fee_msat = None;
|
|
nodes[0].router.expect_find_route(retry_1_params, Ok(retry_1_route));
|
|
|
|
let mut payment_params = route_params.payment_params.clone();
|
|
payment_params.previously_failed_channels.push(chan_3_id);
|
|
let mut retry_2_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat / 4);
|
|
retry_2_params.max_total_routing_fee_msat = None;
|
|
nodes[0].router.expect_find_route(retry_2_params, Ok(retry_2_route));
|
|
|
|
// Send a payment that will partially fail on send, then partially fail on retry, then succeed.
|
|
nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
|
|
PaymentId(payment_hash.0), route_params, Retry::Attempts(3)).unwrap();
|
|
let payment_failed_events = nodes[0].node.get_and_clear_pending_events();
|
|
assert_eq!(payment_failed_events.len(), 2);
|
|
match payment_failed_events[0] {
|
|
Event::PaymentPathFailed { .. } => {},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
match payment_failed_events[1] {
|
|
Event::PaymentPathFailed { .. } => {},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
|
|
// Pass the first part of the payment along the path.
|
|
check_added_monitors!(nodes[0], 1); // only one HTLC actually made it out
|
|
let mut msg_events = nodes[0].node.get_and_clear_pending_msg_events();
|
|
|
|
// Only one HTLC/channel update actually made it out
|
|
assert_eq!(msg_events.len(), 1);
|
|
let mut payment_event = SendEvent::from_event(msg_events.remove(0));
|
|
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]);
|
|
nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &payment_event.commitment_msg);
|
|
check_added_monitors!(nodes[1], 1);
|
|
let (bs_first_raa, bs_first_cs) = get_revoke_commit_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
|
|
nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_first_raa);
|
|
check_added_monitors!(nodes[0], 1);
|
|
let as_second_htlc_updates = SendEvent::from_node(&nodes[0]);
|
|
|
|
nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &bs_first_cs);
|
|
check_added_monitors!(nodes[0], 1);
|
|
let as_first_raa = get_event_msg!(nodes[0], MessageSendEvent::SendRevokeAndACK, nodes[1].node.get_our_node_id());
|
|
|
|
nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_first_raa);
|
|
check_added_monitors!(nodes[1], 1);
|
|
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &as_second_htlc_updates.msgs[0]);
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &as_second_htlc_updates.msgs[1]);
|
|
nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &as_second_htlc_updates.commitment_msg);
|
|
check_added_monitors!(nodes[1], 1);
|
|
let (bs_second_raa, bs_second_cs) = get_revoke_commit_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
|
|
nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_second_raa);
|
|
check_added_monitors!(nodes[0], 1);
|
|
|
|
nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &bs_second_cs);
|
|
check_added_monitors!(nodes[0], 1);
|
|
let as_second_raa = get_event_msg!(nodes[0], MessageSendEvent::SendRevokeAndACK, nodes[1].node.get_our_node_id());
|
|
|
|
nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_second_raa);
|
|
check_added_monitors!(nodes[1], 1);
|
|
|
|
expect_pending_htlcs_forwardable_ignore!(nodes[1]);
|
|
nodes[1].node.process_pending_htlc_forwards();
|
|
expect_payment_claimable!(nodes[1], payment_hash, payment_secret, amt_msat);
|
|
nodes[1].node.claim_funds(payment_preimage);
|
|
expect_payment_claimed!(nodes[1], payment_hash, amt_msat);
|
|
let bs_claim_update = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
assert_eq!(bs_claim_update.update_fulfill_htlcs.len(), 1);
|
|
|
|
nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &bs_claim_update.update_fulfill_htlcs[0]);
|
|
expect_payment_sent(&nodes[0], payment_preimage, None, false, false);
|
|
nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &bs_claim_update.commitment_signed);
|
|
check_added_monitors!(nodes[0], 1);
|
|
let (as_third_raa, as_third_cs) = get_revoke_commit_msgs!(nodes[0], nodes[1].node.get_our_node_id());
|
|
|
|
nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_third_raa);
|
|
check_added_monitors!(nodes[1], 4);
|
|
let bs_second_claim_update = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
|
|
nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &as_third_cs);
|
|
check_added_monitors!(nodes[1], 1);
|
|
let bs_third_raa = get_event_msg!(nodes[1], MessageSendEvent::SendRevokeAndACK, nodes[0].node.get_our_node_id());
|
|
|
|
nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_third_raa);
|
|
check_added_monitors!(nodes[0], 1);
|
|
expect_payment_path_successful!(nodes[0]);
|
|
|
|
nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &bs_second_claim_update.update_fulfill_htlcs[0]);
|
|
nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &bs_second_claim_update.update_fulfill_htlcs[1]);
|
|
nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &bs_second_claim_update.commitment_signed);
|
|
check_added_monitors!(nodes[0], 1);
|
|
let (as_fourth_raa, as_fourth_cs) = get_revoke_commit_msgs!(nodes[0], nodes[1].node.get_our_node_id());
|
|
|
|
nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_fourth_raa);
|
|
check_added_monitors!(nodes[1], 1);
|
|
|
|
nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &as_fourth_cs);
|
|
check_added_monitors!(nodes[1], 1);
|
|
let bs_second_raa = get_event_msg!(nodes[1], MessageSendEvent::SendRevokeAndACK, nodes[0].node.get_our_node_id());
|
|
|
|
nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_second_raa);
|
|
check_added_monitors!(nodes[0], 1);
|
|
let events = nodes[0].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 2);
|
|
if let Event::PaymentPathSuccessful { .. } = events[0] {} else { panic!(); }
|
|
if let Event::PaymentPathSuccessful { .. } = events[1] {} else { panic!(); }
|
|
}
|
|
|
|
#[test]
|
|
fn auto_retry_zero_attempts_send_error() {
|
|
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 mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
|
|
|
|
// Open a single channel that does not have sufficient liquidity for the payment we want to
|
|
// send.
|
|
let chan_id = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 989_000_000).0.contents.short_channel_id;
|
|
|
|
// Marshall data to send the payment
|
|
let amt_msat = 10_000_000;
|
|
let (_, payment_hash, payment_secret) = get_payment_preimage_hash(&nodes[1], Some(amt_msat), None);
|
|
#[cfg(feature = "std")]
|
|
let payment_expiry_secs = SystemTime::UNIX_EPOCH.elapsed().unwrap().as_secs() + 60 * 60;
|
|
#[cfg(not(feature = "std"))]
|
|
let payment_expiry_secs = 60 * 60;
|
|
let mut invoice_features = Bolt11InvoiceFeatures::empty();
|
|
invoice_features.set_variable_length_onion_required();
|
|
invoice_features.set_payment_secret_required();
|
|
invoice_features.set_basic_mpp_optional();
|
|
let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV)
|
|
.with_expiry_time(payment_expiry_secs as u64)
|
|
.with_bolt11_features(invoice_features).unwrap();
|
|
let route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
|
|
|
|
// Override the route search to return a route, rather than failing at the route-finding step.
|
|
let send_route = Route {
|
|
paths: vec![
|
|
Path { hops: vec![RouteHop {
|
|
pubkey: nodes[1].node.get_our_node_id(),
|
|
node_features: nodes[1].node.node_features(),
|
|
short_channel_id: chan_id,
|
|
channel_features: nodes[1].node.channel_features(),
|
|
fee_msat: amt_msat,
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}], blinded_tail: None },
|
|
],
|
|
route_params: Some(route_params.clone()),
|
|
};
|
|
nodes[0].router.expect_find_route(route_params.clone(), Ok(send_route));
|
|
|
|
nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
|
|
PaymentId(payment_hash.0), route_params, Retry::Attempts(0)).unwrap();
|
|
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
|
|
let events = nodes[0].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 2);
|
|
if let Event::PaymentPathFailed { .. } = events[0] { } else { panic!(); }
|
|
if let Event::PaymentFailed { .. } = events[1] { } else { panic!(); }
|
|
check_added_monitors!(nodes[0], 0);
|
|
}
|
|
|
|
#[test]
|
|
fn fails_paying_after_rejected_by_payee() {
|
|
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 mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
|
|
|
|
create_announced_chan_between_nodes(&nodes, 0, 1).0.contents.short_channel_id;
|
|
|
|
// Marshall data to send the payment
|
|
let amt_msat = 20_000;
|
|
let (_, payment_hash, _, payment_secret) = get_route_and_payment_hash!(&nodes[0], nodes[1], amt_msat);
|
|
#[cfg(feature = "std")]
|
|
let payment_expiry_secs = SystemTime::UNIX_EPOCH.elapsed().unwrap().as_secs() + 60 * 60;
|
|
#[cfg(not(feature = "std"))]
|
|
let payment_expiry_secs = 60 * 60;
|
|
let mut invoice_features = Bolt11InvoiceFeatures::empty();
|
|
invoice_features.set_variable_length_onion_required();
|
|
invoice_features.set_payment_secret_required();
|
|
invoice_features.set_basic_mpp_optional();
|
|
let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV)
|
|
.with_expiry_time(payment_expiry_secs as u64)
|
|
.with_bolt11_features(invoice_features).unwrap();
|
|
let route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
|
|
|
|
nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
|
|
PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
|
|
check_added_monitors!(nodes[0], 1);
|
|
let mut events = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(events.len(), 1);
|
|
let mut payment_event = SendEvent::from_event(events.pop().unwrap());
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]);
|
|
check_added_monitors!(nodes[1], 0);
|
|
commitment_signed_dance!(nodes[1], nodes[0], payment_event.commitment_msg, false);
|
|
expect_pending_htlcs_forwardable!(nodes[1]);
|
|
expect_payment_claimable!(&nodes[1], payment_hash, payment_secret, amt_msat);
|
|
|
|
nodes[1].node.fail_htlc_backwards(&payment_hash);
|
|
expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[1], [HTLCDestination::FailedPayment { payment_hash }]);
|
|
pass_failed_payment_back(&nodes[0], &[&[&nodes[1]]], false, payment_hash, PaymentFailureReason::RecipientRejected);
|
|
}
|
|
|
|
#[test]
|
|
fn retry_multi_path_single_failed_payment() {
|
|
// Tests that we can/will retry after a single path of an MPP payment failed immediately
|
|
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, None]);
|
|
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
|
|
|
|
create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 0);
|
|
create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 0);
|
|
|
|
let amt_msat = 100_010_000;
|
|
|
|
let (_, payment_hash, _, payment_secret) = get_route_and_payment_hash!(&nodes[0], nodes[1], amt_msat);
|
|
#[cfg(feature = "std")]
|
|
let payment_expiry_secs = SystemTime::UNIX_EPOCH.elapsed().unwrap().as_secs() + 60 * 60;
|
|
#[cfg(not(feature = "std"))]
|
|
let payment_expiry_secs = 60 * 60;
|
|
let mut invoice_features = Bolt11InvoiceFeatures::empty();
|
|
invoice_features.set_variable_length_onion_required();
|
|
invoice_features.set_payment_secret_required();
|
|
invoice_features.set_basic_mpp_optional();
|
|
let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV)
|
|
.with_expiry_time(payment_expiry_secs as u64)
|
|
.with_bolt11_features(invoice_features).unwrap();
|
|
let mut route_params = RouteParameters::from_payment_params_and_value(
|
|
payment_params.clone(), amt_msat);
|
|
route_params.max_total_routing_fee_msat = None;
|
|
|
|
let chans = nodes[0].node.list_usable_channels();
|
|
let mut route = Route {
|
|
paths: vec![
|
|
Path { hops: vec![RouteHop {
|
|
pubkey: nodes[1].node.get_our_node_id(),
|
|
node_features: nodes[1].node.node_features(),
|
|
short_channel_id: chans[0].short_channel_id.unwrap(),
|
|
channel_features: nodes[1].node.channel_features(),
|
|
fee_msat: 10_000,
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}], blinded_tail: None },
|
|
Path { hops: vec![RouteHop {
|
|
pubkey: nodes[1].node.get_our_node_id(),
|
|
node_features: nodes[1].node.node_features(),
|
|
short_channel_id: chans[1].short_channel_id.unwrap(),
|
|
channel_features: nodes[1].node.channel_features(),
|
|
fee_msat: 100_000_001, // Our default max-HTLC-value is 10% of the channel value, which this is one more than
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}], blinded_tail: None },
|
|
],
|
|
route_params: Some(route_params.clone()),
|
|
};
|
|
nodes[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
|
|
// On retry, split the payment across both channels.
|
|
route.paths[0].hops[0].fee_msat = 50_000_001;
|
|
route.paths[1].hops[0].fee_msat = 50_000_000;
|
|
let mut pay_params = route.route_params.clone().unwrap().payment_params;
|
|
pay_params.previously_failed_channels.push(chans[1].short_channel_id.unwrap());
|
|
|
|
// Note that the second request here requests the amount we originally failed to send,
|
|
// not the amount remaining on the full payment, which should be changed.
|
|
let mut retry_params = RouteParameters::from_payment_params_and_value(pay_params, 100_000_001);
|
|
retry_params.max_total_routing_fee_msat = None;
|
|
nodes[0].router.expect_find_route(retry_params, Ok(route.clone()));
|
|
|
|
{
|
|
let scorer = chanmon_cfgs[0].scorer.read().unwrap();
|
|
// The initial send attempt, 2 paths
|
|
scorer.expect_usage(chans[0].short_channel_id.unwrap(), ChannelUsage { amount_msat: 10_000, inflight_htlc_msat: 0, effective_capacity: EffectiveCapacity::Unknown });
|
|
scorer.expect_usage(chans[1].short_channel_id.unwrap(), ChannelUsage { amount_msat: 100_000_001, inflight_htlc_msat: 0, effective_capacity: EffectiveCapacity::Unknown });
|
|
// The retry, 2 paths. Ensure that the in-flight HTLC amount is factored in.
|
|
scorer.expect_usage(chans[0].short_channel_id.unwrap(), ChannelUsage { amount_msat: 50_000_001, inflight_htlc_msat: 10_000, effective_capacity: EffectiveCapacity::Unknown });
|
|
scorer.expect_usage(chans[1].short_channel_id.unwrap(), ChannelUsage { amount_msat: 50_000_000, inflight_htlc_msat: 0, effective_capacity: EffectiveCapacity::Unknown });
|
|
}
|
|
|
|
nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
|
|
PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
|
|
let events = nodes[0].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 1);
|
|
match events[0] {
|
|
Event::PaymentPathFailed { payment_hash: ev_payment_hash, payment_failed_permanently: false,
|
|
failure: PathFailure::InitialSend { err: APIError::ChannelUnavailable { .. }},
|
|
short_channel_id: Some(expected_scid), .. } =>
|
|
{
|
|
assert_eq!(payment_hash, ev_payment_hash);
|
|
assert_eq!(expected_scid, route.paths[1].hops[0].short_channel_id);
|
|
},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
let htlc_msgs = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(htlc_msgs.len(), 2);
|
|
check_added_monitors!(nodes[0], 2);
|
|
}
|
|
|
|
#[test]
|
|
fn immediate_retry_on_failure() {
|
|
// Tests that we can/will retry immediately after a failure
|
|
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, None]);
|
|
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
|
|
|
|
create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 0);
|
|
create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 0);
|
|
|
|
let amt_msat = 100_000_001;
|
|
let (_, payment_hash, _, payment_secret) = get_route_and_payment_hash!(&nodes[0], nodes[1], amt_msat);
|
|
#[cfg(feature = "std")]
|
|
let payment_expiry_secs = SystemTime::UNIX_EPOCH.elapsed().unwrap().as_secs() + 60 * 60;
|
|
#[cfg(not(feature = "std"))]
|
|
let payment_expiry_secs = 60 * 60;
|
|
let mut invoice_features = Bolt11InvoiceFeatures::empty();
|
|
invoice_features.set_variable_length_onion_required();
|
|
invoice_features.set_payment_secret_required();
|
|
invoice_features.set_basic_mpp_optional();
|
|
let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV)
|
|
.with_expiry_time(payment_expiry_secs as u64)
|
|
.with_bolt11_features(invoice_features).unwrap();
|
|
let route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
|
|
|
|
let chans = nodes[0].node.list_usable_channels();
|
|
let mut route = Route {
|
|
paths: vec![
|
|
Path { hops: vec![RouteHop {
|
|
pubkey: nodes[1].node.get_our_node_id(),
|
|
node_features: nodes[1].node.node_features(),
|
|
short_channel_id: chans[0].short_channel_id.unwrap(),
|
|
channel_features: nodes[1].node.channel_features(),
|
|
fee_msat: 100_000_001, // Our default max-HTLC-value is 10% of the channel value, which this is one more than
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}], blinded_tail: None },
|
|
],
|
|
route_params: Some(RouteParameters::from_payment_params_and_value(
|
|
PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV),
|
|
100_000_001)),
|
|
};
|
|
nodes[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
|
|
// On retry, split the payment across both channels.
|
|
route.paths.push(route.paths[0].clone());
|
|
route.paths[0].hops[0].short_channel_id = chans[1].short_channel_id.unwrap();
|
|
route.paths[0].hops[0].fee_msat = 50_000_000;
|
|
route.paths[1].hops[0].fee_msat = 50_000_001;
|
|
let mut pay_params = route_params.payment_params.clone();
|
|
pay_params.previously_failed_channels.push(chans[0].short_channel_id.unwrap());
|
|
nodes[0].router.expect_find_route(
|
|
RouteParameters::from_payment_params_and_value(pay_params, amt_msat),
|
|
Ok(route.clone()));
|
|
|
|
nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
|
|
PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
|
|
let events = nodes[0].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 1);
|
|
match events[0] {
|
|
Event::PaymentPathFailed { payment_hash: ev_payment_hash, payment_failed_permanently: false,
|
|
failure: PathFailure::InitialSend { err: APIError::ChannelUnavailable { .. }},
|
|
short_channel_id: Some(expected_scid), .. } =>
|
|
{
|
|
assert_eq!(payment_hash, ev_payment_hash);
|
|
assert_eq!(expected_scid, route.paths[1].hops[0].short_channel_id);
|
|
},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
let htlc_msgs = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(htlc_msgs.len(), 2);
|
|
check_added_monitors!(nodes[0], 2);
|
|
}
|
|
|
|
#[test]
|
|
fn no_extra_retries_on_back_to_back_fail() {
|
|
// In a previous release, we had a race where we may exceed the payment retry count if we
|
|
// get two failures in a row with the second indicating that all paths had failed (this field,
|
|
// `all_paths_failed`, has since been removed).
|
|
// Generally, when we give up trying to retry a payment, we don't know for sure what the
|
|
// current state of the ChannelManager event queue is. Specifically, we cannot be sure that
|
|
// there are not multiple additional `PaymentPathFailed` or even `PaymentSent` events
|
|
// pending which we will see later. Thus, when we previously removed the retry tracking map
|
|
// entry after a `all_paths_failed` `PaymentPathFailed` event, we may have dropped the
|
|
// retry entry even though more events for the same payment were still pending. This led to
|
|
// us retrying a payment again even though we'd already given up on it.
|
|
//
|
|
// We now have a separate event - `PaymentFailed` which indicates no HTLCs remain and which
|
|
// is used to remove the payment retry counter entries instead. This tests for the specific
|
|
// excess-retry case while also testing `PaymentFailed` generation.
|
|
|
|
let chanmon_cfgs = create_chanmon_cfgs(3);
|
|
let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
|
|
let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]);
|
|
let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
|
|
|
|
let chan_1_scid = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 10_000_000, 0).0.contents.short_channel_id;
|
|
let chan_2_scid = create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 10_000_000, 0).0.contents.short_channel_id;
|
|
|
|
let amt_msat = 200_000_000;
|
|
let (_, payment_hash, _, payment_secret) = get_route_and_payment_hash!(&nodes[0], nodes[1], amt_msat);
|
|
#[cfg(feature = "std")]
|
|
let payment_expiry_secs = SystemTime::UNIX_EPOCH.elapsed().unwrap().as_secs() + 60 * 60;
|
|
#[cfg(not(feature = "std"))]
|
|
let payment_expiry_secs = 60 * 60;
|
|
let mut invoice_features = Bolt11InvoiceFeatures::empty();
|
|
invoice_features.set_variable_length_onion_required();
|
|
invoice_features.set_payment_secret_required();
|
|
invoice_features.set_basic_mpp_optional();
|
|
let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV)
|
|
.with_expiry_time(payment_expiry_secs as u64)
|
|
.with_bolt11_features(invoice_features).unwrap();
|
|
let mut route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
|
|
route_params.max_total_routing_fee_msat = None;
|
|
|
|
let mut route = Route {
|
|
paths: vec![
|
|
Path { hops: vec![RouteHop {
|
|
pubkey: nodes[1].node.get_our_node_id(),
|
|
node_features: nodes[1].node.node_features(),
|
|
short_channel_id: chan_1_scid,
|
|
channel_features: nodes[1].node.channel_features(),
|
|
fee_msat: 0, // nodes[1] will fail the payment as we don't pay its fee
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}, RouteHop {
|
|
pubkey: nodes[2].node.get_our_node_id(),
|
|
node_features: nodes[2].node.node_features(),
|
|
short_channel_id: chan_2_scid,
|
|
channel_features: nodes[2].node.channel_features(),
|
|
fee_msat: 100_000_000,
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}], blinded_tail: None },
|
|
Path { hops: vec![RouteHop {
|
|
pubkey: nodes[1].node.get_our_node_id(),
|
|
node_features: nodes[1].node.node_features(),
|
|
short_channel_id: chan_1_scid,
|
|
channel_features: nodes[1].node.channel_features(),
|
|
fee_msat: 0, // nodes[1] will fail the payment as we don't pay its fee
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}, RouteHop {
|
|
pubkey: nodes[2].node.get_our_node_id(),
|
|
node_features: nodes[2].node.node_features(),
|
|
short_channel_id: chan_2_scid,
|
|
channel_features: nodes[2].node.channel_features(),
|
|
fee_msat: 100_000_000,
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}], blinded_tail: None }
|
|
],
|
|
route_params: Some(RouteParameters::from_payment_params_and_value(
|
|
PaymentParameters::from_node_id(nodes[2].node.get_our_node_id(), TEST_FINAL_CLTV),
|
|
100_000_000)),
|
|
};
|
|
route.route_params.as_mut().unwrap().max_total_routing_fee_msat = None;
|
|
nodes[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
|
|
let mut second_payment_params = route_params.payment_params.clone();
|
|
second_payment_params.previously_failed_channels = vec![chan_2_scid, chan_2_scid];
|
|
// On retry, we'll only return one path
|
|
route.paths.remove(1);
|
|
route.paths[0].hops[1].fee_msat = amt_msat;
|
|
let mut retry_params = RouteParameters::from_payment_params_and_value(second_payment_params, amt_msat);
|
|
retry_params.max_total_routing_fee_msat = None;
|
|
nodes[0].router.expect_find_route(retry_params, Ok(route.clone()));
|
|
|
|
nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
|
|
PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
|
|
let htlc_updates = SendEvent::from_node(&nodes[0]);
|
|
check_added_monitors!(nodes[0], 1);
|
|
assert_eq!(htlc_updates.msgs.len(), 1);
|
|
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &htlc_updates.msgs[0]);
|
|
nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &htlc_updates.commitment_msg);
|
|
check_added_monitors!(nodes[1], 1);
|
|
let (bs_first_raa, bs_first_cs) = get_revoke_commit_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
|
|
nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_first_raa);
|
|
check_added_monitors!(nodes[0], 1);
|
|
let second_htlc_updates = SendEvent::from_node(&nodes[0]);
|
|
|
|
nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &bs_first_cs);
|
|
check_added_monitors!(nodes[0], 1);
|
|
let as_first_raa = get_event_msg!(nodes[0], MessageSendEvent::SendRevokeAndACK, nodes[1].node.get_our_node_id());
|
|
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &second_htlc_updates.msgs[0]);
|
|
nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &second_htlc_updates.commitment_msg);
|
|
check_added_monitors!(nodes[1], 1);
|
|
let bs_second_raa = get_event_msg!(nodes[1], MessageSendEvent::SendRevokeAndACK, nodes[0].node.get_our_node_id());
|
|
|
|
nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_first_raa);
|
|
check_added_monitors!(nodes[1], 1);
|
|
let bs_fail_update = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
|
|
nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_second_raa);
|
|
check_added_monitors!(nodes[0], 1);
|
|
|
|
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &bs_fail_update.update_fail_htlcs[0]);
|
|
nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &bs_fail_update.commitment_signed);
|
|
check_added_monitors!(nodes[0], 1);
|
|
let (as_second_raa, as_third_cs) = get_revoke_commit_msgs!(nodes[0], nodes[1].node.get_our_node_id());
|
|
|
|
nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_second_raa);
|
|
check_added_monitors!(nodes[1], 1);
|
|
let bs_second_fail_update = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
|
|
nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &as_third_cs);
|
|
check_added_monitors!(nodes[1], 1);
|
|
let bs_third_raa = get_event_msg!(nodes[1], MessageSendEvent::SendRevokeAndACK, nodes[0].node.get_our_node_id());
|
|
|
|
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &bs_second_fail_update.update_fail_htlcs[0]);
|
|
nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &bs_second_fail_update.commitment_signed);
|
|
check_added_monitors!(nodes[0], 1);
|
|
|
|
nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_third_raa);
|
|
check_added_monitors!(nodes[0], 1);
|
|
let (as_third_raa, as_fourth_cs) = get_revoke_commit_msgs!(nodes[0], nodes[1].node.get_our_node_id());
|
|
|
|
nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_third_raa);
|
|
check_added_monitors!(nodes[1], 1);
|
|
nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &as_fourth_cs);
|
|
check_added_monitors!(nodes[1], 1);
|
|
let bs_fourth_raa = get_event_msg!(nodes[1], MessageSendEvent::SendRevokeAndACK, nodes[0].node.get_our_node_id());
|
|
|
|
nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_fourth_raa);
|
|
check_added_monitors!(nodes[0], 1);
|
|
|
|
// At this point A has sent two HTLCs which both failed due to lack of fee. It now has two
|
|
// pending `PaymentPathFailed` events, one with `all_paths_failed` unset, and the second
|
|
// with it set.
|
|
//
|
|
// Previously, we retried payments in an event consumer, which would retry each
|
|
// `PaymentPathFailed` individually. In that setup, we had retried the payment in response to
|
|
// the first `PaymentPathFailed`, then seen the second `PaymentPathFailed` with
|
|
// `all_paths_failed` set and assumed the payment was completely failed. We ultimately fixed it
|
|
// by adding the `PaymentFailed` event.
|
|
//
|
|
// Because we now retry payments as a batch, we simply return a single-path route in the
|
|
// second, batched, request, have that fail, ensure the payment was abandoned.
|
|
let mut events = nodes[0].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 3);
|
|
match events[0] {
|
|
Event::PaymentPathFailed { payment_hash: ev_payment_hash, payment_failed_permanently, .. } => {
|
|
assert_eq!(payment_hash, ev_payment_hash);
|
|
assert_eq!(payment_failed_permanently, false);
|
|
},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
match events[1] {
|
|
Event::PendingHTLCsForwardable { .. } => {},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
match events[2] {
|
|
Event::PaymentPathFailed { payment_hash: ev_payment_hash, payment_failed_permanently, .. } => {
|
|
assert_eq!(payment_hash, ev_payment_hash);
|
|
assert_eq!(payment_failed_permanently, false);
|
|
},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
|
|
nodes[0].node.process_pending_htlc_forwards();
|
|
let retry_htlc_updates = SendEvent::from_node(&nodes[0]);
|
|
check_added_monitors!(nodes[0], 1);
|
|
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &retry_htlc_updates.msgs[0]);
|
|
commitment_signed_dance!(nodes[1], nodes[0], &retry_htlc_updates.commitment_msg, false, true);
|
|
let bs_fail_update = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &bs_fail_update.update_fail_htlcs[0]);
|
|
commitment_signed_dance!(nodes[0], nodes[1], &bs_fail_update.commitment_signed, false, true);
|
|
|
|
let mut events = nodes[0].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 2);
|
|
match events[0] {
|
|
Event::PaymentPathFailed { payment_hash: ev_payment_hash, payment_failed_permanently, .. } => {
|
|
assert_eq!(payment_hash, ev_payment_hash);
|
|
assert_eq!(payment_failed_permanently, false);
|
|
},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
match events[1] {
|
|
Event::PaymentFailed { payment_hash: ref ev_payment_hash, payment_id: ref ev_payment_id, reason: ref ev_reason } => {
|
|
assert_eq!(payment_hash, *ev_payment_hash);
|
|
assert_eq!(PaymentId(payment_hash.0), *ev_payment_id);
|
|
assert_eq!(PaymentFailureReason::RetriesExhausted, ev_reason.unwrap());
|
|
},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_simple_partial_retry() {
|
|
// In the first version of the in-`ChannelManager` payment retries, retries were sent for the
|
|
// full amount of the payment, rather than only the missing amount. Here we simply test for
|
|
// this by sending a payment with two parts, failing one, and retrying the second. Note that
|
|
// `TestRouter` will check that the `RouteParameters` (which contain the amount) matches the
|
|
// request.
|
|
let chanmon_cfgs = create_chanmon_cfgs(3);
|
|
let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
|
|
let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]);
|
|
let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
|
|
|
|
let chan_1_scid = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 10_000_000, 0).0.contents.short_channel_id;
|
|
let chan_2_scid = create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 10_000_000, 0).0.contents.short_channel_id;
|
|
|
|
let amt_msat = 200_000_000;
|
|
let (_, payment_hash, _, payment_secret) = get_route_and_payment_hash!(&nodes[0], nodes[2], amt_msat);
|
|
#[cfg(feature = "std")]
|
|
let payment_expiry_secs = SystemTime::UNIX_EPOCH.elapsed().unwrap().as_secs() + 60 * 60;
|
|
#[cfg(not(feature = "std"))]
|
|
let payment_expiry_secs = 60 * 60;
|
|
let mut invoice_features = Bolt11InvoiceFeatures::empty();
|
|
invoice_features.set_variable_length_onion_required();
|
|
invoice_features.set_payment_secret_required();
|
|
invoice_features.set_basic_mpp_optional();
|
|
let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV)
|
|
.with_expiry_time(payment_expiry_secs as u64)
|
|
.with_bolt11_features(invoice_features).unwrap();
|
|
let mut route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
|
|
route_params.max_total_routing_fee_msat = None;
|
|
|
|
let mut route = Route {
|
|
paths: vec![
|
|
Path { hops: vec![RouteHop {
|
|
pubkey: nodes[1].node.get_our_node_id(),
|
|
node_features: nodes[1].node.node_features(),
|
|
short_channel_id: chan_1_scid,
|
|
channel_features: nodes[1].node.channel_features(),
|
|
fee_msat: 0, // nodes[1] will fail the payment as we don't pay its fee
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}, RouteHop {
|
|
pubkey: nodes[2].node.get_our_node_id(),
|
|
node_features: nodes[2].node.node_features(),
|
|
short_channel_id: chan_2_scid,
|
|
channel_features: nodes[2].node.channel_features(),
|
|
fee_msat: 100_000_000,
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}], blinded_tail: None },
|
|
Path { hops: vec![RouteHop {
|
|
pubkey: nodes[1].node.get_our_node_id(),
|
|
node_features: nodes[1].node.node_features(),
|
|
short_channel_id: chan_1_scid,
|
|
channel_features: nodes[1].node.channel_features(),
|
|
fee_msat: 100_000,
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}, RouteHop {
|
|
pubkey: nodes[2].node.get_our_node_id(),
|
|
node_features: nodes[2].node.node_features(),
|
|
short_channel_id: chan_2_scid,
|
|
channel_features: nodes[2].node.channel_features(),
|
|
fee_msat: 100_000_000,
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}], blinded_tail: None }
|
|
],
|
|
route_params: Some(RouteParameters::from_payment_params_and_value(
|
|
PaymentParameters::from_node_id(nodes[2].node.get_our_node_id(), TEST_FINAL_CLTV),
|
|
100_000_000)),
|
|
};
|
|
route.route_params.as_mut().unwrap().max_total_routing_fee_msat = None;
|
|
nodes[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
|
|
let mut second_payment_params = route_params.payment_params.clone();
|
|
second_payment_params.previously_failed_channels = vec![chan_2_scid];
|
|
// On retry, we'll only be asked for one path (or 100k sats)
|
|
route.paths.remove(0);
|
|
let mut retry_params = RouteParameters::from_payment_params_and_value(second_payment_params, amt_msat / 2);
|
|
retry_params.max_total_routing_fee_msat = None;
|
|
nodes[0].router.expect_find_route(retry_params, Ok(route.clone()));
|
|
|
|
nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
|
|
PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
|
|
let htlc_updates = SendEvent::from_node(&nodes[0]);
|
|
check_added_monitors!(nodes[0], 1);
|
|
assert_eq!(htlc_updates.msgs.len(), 1);
|
|
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &htlc_updates.msgs[0]);
|
|
nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &htlc_updates.commitment_msg);
|
|
check_added_monitors!(nodes[1], 1);
|
|
let (bs_first_raa, bs_first_cs) = get_revoke_commit_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
|
|
nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_first_raa);
|
|
check_added_monitors!(nodes[0], 1);
|
|
let second_htlc_updates = SendEvent::from_node(&nodes[0]);
|
|
|
|
nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &bs_first_cs);
|
|
check_added_monitors!(nodes[0], 1);
|
|
let as_first_raa = get_event_msg!(nodes[0], MessageSendEvent::SendRevokeAndACK, nodes[1].node.get_our_node_id());
|
|
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &second_htlc_updates.msgs[0]);
|
|
nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &second_htlc_updates.commitment_msg);
|
|
check_added_monitors!(nodes[1], 1);
|
|
let bs_second_raa = get_event_msg!(nodes[1], MessageSendEvent::SendRevokeAndACK, nodes[0].node.get_our_node_id());
|
|
|
|
nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_first_raa);
|
|
check_added_monitors!(nodes[1], 1);
|
|
let bs_fail_update = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
|
|
nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_second_raa);
|
|
check_added_monitors!(nodes[0], 1);
|
|
|
|
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &bs_fail_update.update_fail_htlcs[0]);
|
|
nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &bs_fail_update.commitment_signed);
|
|
check_added_monitors!(nodes[0], 1);
|
|
let (as_second_raa, as_third_cs) = get_revoke_commit_msgs!(nodes[0], nodes[1].node.get_our_node_id());
|
|
|
|
nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_second_raa);
|
|
check_added_monitors!(nodes[1], 1);
|
|
|
|
nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &as_third_cs);
|
|
check_added_monitors!(nodes[1], 1);
|
|
|
|
let bs_third_raa = get_event_msg!(nodes[1], MessageSendEvent::SendRevokeAndACK, nodes[0].node.get_our_node_id());
|
|
|
|
nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_third_raa);
|
|
check_added_monitors!(nodes[0], 1);
|
|
|
|
let mut events = nodes[0].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 2);
|
|
match events[0] {
|
|
Event::PaymentPathFailed { payment_hash: ev_payment_hash, payment_failed_permanently, .. } => {
|
|
assert_eq!(payment_hash, ev_payment_hash);
|
|
assert_eq!(payment_failed_permanently, false);
|
|
},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
match events[1] {
|
|
Event::PendingHTLCsForwardable { .. } => {},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
|
|
nodes[0].node.process_pending_htlc_forwards();
|
|
let retry_htlc_updates = SendEvent::from_node(&nodes[0]);
|
|
check_added_monitors!(nodes[0], 1);
|
|
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &retry_htlc_updates.msgs[0]);
|
|
commitment_signed_dance!(nodes[1], nodes[0], &retry_htlc_updates.commitment_msg, false, true);
|
|
|
|
expect_pending_htlcs_forwardable!(nodes[1]);
|
|
check_added_monitors!(nodes[1], 1);
|
|
|
|
let bs_forward_update = get_htlc_update_msgs!(nodes[1], nodes[2].node.get_our_node_id());
|
|
nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &bs_forward_update.update_add_htlcs[0]);
|
|
nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &bs_forward_update.update_add_htlcs[1]);
|
|
commitment_signed_dance!(nodes[2], nodes[1], &bs_forward_update.commitment_signed, false);
|
|
|
|
expect_pending_htlcs_forwardable!(nodes[2]);
|
|
expect_payment_claimable!(nodes[2], payment_hash, payment_secret, amt_msat);
|
|
}
|
|
|
|
#[test]
|
|
#[cfg(feature = "std")]
|
|
fn test_threaded_payment_retries() {
|
|
// In the first version of the in-`ChannelManager` payment retries, retries weren't limited to
|
|
// a single thread and would happily let multiple threads run retries at the same time. Because
|
|
// retries are done by first calculating the amount we need to retry, then dropping the
|
|
// relevant lock, then actually sending, we would happily let multiple threads retry the same
|
|
// amount at the same time, overpaying our original HTLC!
|
|
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 nodes = create_network(4, &node_cfgs, &node_chanmgrs);
|
|
|
|
// There is one mitigating guardrail when retrying payments - we can never over-pay by more
|
|
// than 10% of the original value. Thus, we want all our retries to be below that. In order to
|
|
// keep things simple, we route one HTLC for 0.1% of the payment over channel 1 and the rest
|
|
// out over channel 3+4. This will let us ignore 99% of the payment value and deal with only
|
|
// our channel.
|
|
let chan_1_scid = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 10_000_000, 0).0.contents.short_channel_id;
|
|
create_announced_chan_between_nodes_with_value(&nodes, 1, 3, 10_000_000, 0);
|
|
let chan_3_scid = create_announced_chan_between_nodes_with_value(&nodes, 0, 2, 10_000_000, 0).0.contents.short_channel_id;
|
|
let chan_4_scid = create_announced_chan_between_nodes_with_value(&nodes, 2, 3, 10_000_000, 0).0.contents.short_channel_id;
|
|
|
|
let amt_msat = 100_000_000;
|
|
let (_, payment_hash, _, payment_secret) = get_route_and_payment_hash!(&nodes[0], nodes[2], amt_msat);
|
|
#[cfg(feature = "std")]
|
|
let payment_expiry_secs = SystemTime::UNIX_EPOCH.elapsed().unwrap().as_secs() + 60 * 60;
|
|
#[cfg(not(feature = "std"))]
|
|
let payment_expiry_secs = 60 * 60;
|
|
let mut invoice_features = Bolt11InvoiceFeatures::empty();
|
|
invoice_features.set_variable_length_onion_required();
|
|
invoice_features.set_payment_secret_required();
|
|
invoice_features.set_basic_mpp_optional();
|
|
let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV)
|
|
.with_expiry_time(payment_expiry_secs as u64)
|
|
.with_bolt11_features(invoice_features).unwrap();
|
|
let mut route_params = RouteParameters {
|
|
payment_params, final_value_msat: amt_msat, max_total_routing_fee_msat: Some(500_000),
|
|
};
|
|
|
|
let mut route = Route {
|
|
paths: vec![
|
|
Path { hops: vec![RouteHop {
|
|
pubkey: nodes[1].node.get_our_node_id(),
|
|
node_features: nodes[1].node.node_features(),
|
|
short_channel_id: chan_1_scid,
|
|
channel_features: nodes[1].node.channel_features(),
|
|
fee_msat: 0,
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}, RouteHop {
|
|
pubkey: nodes[3].node.get_our_node_id(),
|
|
node_features: nodes[2].node.node_features(),
|
|
short_channel_id: 42, // Set a random SCID which nodes[1] will fail as unknown
|
|
channel_features: nodes[2].node.channel_features(),
|
|
fee_msat: amt_msat / 1000,
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}], blinded_tail: None },
|
|
Path { hops: vec![RouteHop {
|
|
pubkey: nodes[2].node.get_our_node_id(),
|
|
node_features: nodes[2].node.node_features(),
|
|
short_channel_id: chan_3_scid,
|
|
channel_features: nodes[2].node.channel_features(),
|
|
fee_msat: 100_000,
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}, RouteHop {
|
|
pubkey: nodes[3].node.get_our_node_id(),
|
|
node_features: nodes[3].node.node_features(),
|
|
short_channel_id: chan_4_scid,
|
|
channel_features: nodes[3].node.channel_features(),
|
|
fee_msat: amt_msat - amt_msat / 1000,
|
|
cltv_expiry_delta: 100,
|
|
maybe_announced_channel: true,
|
|
}], blinded_tail: None }
|
|
],
|
|
route_params: Some(RouteParameters {
|
|
payment_params: PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV),
|
|
final_value_msat: amt_msat - amt_msat / 1000,
|
|
max_total_routing_fee_msat: Some(500_000),
|
|
}),
|
|
};
|
|
nodes[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
|
|
|
|
nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
|
|
PaymentId(payment_hash.0), route_params.clone(), Retry::Attempts(0xdeadbeef)).unwrap();
|
|
check_added_monitors!(nodes[0], 2);
|
|
let mut send_msg_events = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(send_msg_events.len(), 2);
|
|
send_msg_events.retain(|msg|
|
|
if let MessageSendEvent::UpdateHTLCs { node_id, .. } = msg {
|
|
// Drop the commitment update for nodes[2], we can just let that one sit pending
|
|
// forever.
|
|
*node_id == nodes[1].node.get_our_node_id()
|
|
} else { panic!(); }
|
|
);
|
|
|
|
// from here on out, the retry `RouteParameters` amount will be amt/1000
|
|
route_params.final_value_msat /= 1000;
|
|
route.paths.pop();
|
|
|
|
let end_time = Instant::now() + Duration::from_secs(1);
|
|
macro_rules! thread_body { () => { {
|
|
// We really want std::thread::scope, but its not stable until 1.63. Until then, we get unsafe.
|
|
let node_ref = NodePtr::from_node(&nodes[0]);
|
|
move || {
|
|
let node_a = unsafe { &*node_ref.0 };
|
|
while Instant::now() < end_time {
|
|
node_a.node.get_and_clear_pending_events(); // wipe the PendingHTLCsForwardable
|
|
// Ignore if we have any pending events, just always pretend we just got a
|
|
// PendingHTLCsForwardable
|
|
node_a.node.process_pending_htlc_forwards();
|
|
}
|
|
}
|
|
} } }
|
|
let mut threads = Vec::new();
|
|
for _ in 0..16 { threads.push(std::thread::spawn(thread_body!())); }
|
|
|
|
// Back in the main thread, poll pending messages and make sure that we never have more than
|
|
// one HTLC pending at a time. Note that the commitment_signed_dance will fail horribly if
|
|
// there are HTLC messages shoved in while its running. This allows us to test that we never
|
|
// generate an additional update_add_htlc until we've fully failed the first.
|
|
let mut previously_failed_channels = Vec::new();
|
|
loop {
|
|
assert_eq!(send_msg_events.len(), 1);
|
|
let send_event = SendEvent::from_event(send_msg_events.pop().unwrap());
|
|
assert_eq!(send_event.msgs.len(), 1);
|
|
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &send_event.msgs[0]);
|
|
commitment_signed_dance!(nodes[1], nodes[0], send_event.commitment_msg, false, true);
|
|
|
|
// Note that we only push one route into `expect_find_route` at a time, because that's all
|
|
// the retries (should) need. If the bug is reintroduced "real" routes may be selected, but
|
|
// we should still ultimately fail for the same reason - because we're trying to send too
|
|
// many HTLCs at once.
|
|
let mut new_route_params = route_params.clone();
|
|
previously_failed_channels.push(route.paths[0].hops[1].short_channel_id);
|
|
new_route_params.payment_params.previously_failed_channels = previously_failed_channels.clone();
|
|
new_route_params.max_total_routing_fee_msat.as_mut().map(|m| *m -= 100_000);
|
|
route.paths[0].hops[1].short_channel_id += 1;
|
|
nodes[0].router.expect_find_route(new_route_params, Ok(route.clone()));
|
|
|
|
let bs_fail_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &bs_fail_updates.update_fail_htlcs[0]);
|
|
// The "normal" commitment_signed_dance delivers the final RAA and then calls
|
|
// `check_added_monitors` to ensure only the one RAA-generated monitor update was created.
|
|
// This races with our other threads which may generate an add-HTLCs commitment update via
|
|
// `process_pending_htlc_forwards`. Instead, we defer the monitor update check until after
|
|
// *we've* called `process_pending_htlc_forwards` when its guaranteed to have two updates.
|
|
let last_raa = commitment_signed_dance!(nodes[0], nodes[1], bs_fail_updates.commitment_signed, false, true, false, true);
|
|
nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &last_raa);
|
|
|
|
let cur_time = Instant::now();
|
|
if cur_time > end_time {
|
|
for thread in threads.drain(..) { thread.join().unwrap(); }
|
|
}
|
|
|
|
// Make sure we have some events to handle when we go around...
|
|
nodes[0].node.get_and_clear_pending_events(); // wipe the PendingHTLCsForwardable
|
|
nodes[0].node.process_pending_htlc_forwards();
|
|
send_msg_events = nodes[0].node.get_and_clear_pending_msg_events();
|
|
check_added_monitors!(nodes[0], 2);
|
|
|
|
if cur_time > end_time {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
fn do_no_missing_sent_on_reload(persist_manager_with_payment: bool, at_midpoint: bool) {
|
|
// Test that if we reload in the middle of an HTLC claim commitment signed dance we'll still
|
|
// receive the PaymentSent event even if the ChannelManager had no idea about the payment when
|
|
// it was last persisted.
|
|
let chanmon_cfgs = create_chanmon_cfgs(2);
|
|
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
|
|
let (persister_a, persister_b, persister_c);
|
|
let (chain_monitor_a, chain_monitor_b, chain_monitor_c);
|
|
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
|
|
let (nodes_0_deserialized, nodes_0_deserialized_b, nodes_0_deserialized_c);
|
|
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
|
|
|
|
let chan_id = create_announced_chan_between_nodes(&nodes, 0, 1).2;
|
|
|
|
let mut nodes_0_serialized = Vec::new();
|
|
if !persist_manager_with_payment {
|
|
nodes_0_serialized = nodes[0].node.encode();
|
|
}
|
|
|
|
let (our_payment_preimage, our_payment_hash, ..) = route_payment(&nodes[0], &[&nodes[1]], 1_000_000);
|
|
|
|
if persist_manager_with_payment {
|
|
nodes_0_serialized = nodes[0].node.encode();
|
|
}
|
|
|
|
nodes[1].node.claim_funds(our_payment_preimage);
|
|
check_added_monitors!(nodes[1], 1);
|
|
expect_payment_claimed!(nodes[1], our_payment_hash, 1_000_000);
|
|
|
|
if at_midpoint {
|
|
let updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]);
|
|
nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &updates.commitment_signed);
|
|
check_added_monitors!(nodes[0], 1);
|
|
} else {
|
|
let htlc_fulfill_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &htlc_fulfill_updates.update_fulfill_htlcs[0]);
|
|
commitment_signed_dance!(nodes[0], nodes[1], htlc_fulfill_updates.commitment_signed, false);
|
|
// Ignore the PaymentSent event which is now pending on nodes[0] - if we were to handle it we'd
|
|
// be expected to ignore the eventual conflicting PaymentFailed, but by not looking at it we
|
|
// expect to get the PaymentSent again later.
|
|
check_added_monitors(&nodes[0], 0);
|
|
}
|
|
|
|
// The ChannelMonitor should always be the latest version, as we're required to persist it
|
|
// during the commitment signed handling.
|
|
let chan_0_monitor_serialized = get_monitor!(nodes[0], chan_id).encode();
|
|
reload_node!(nodes[0], test_default_channel_config(), &nodes_0_serialized, &[&chan_0_monitor_serialized], persister_a, chain_monitor_a, nodes_0_deserialized);
|
|
|
|
let events = nodes[0].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 2);
|
|
if let Event::ChannelClosed { reason: ClosureReason::OutdatedChannelManager, .. } = events[0] {} else { panic!(); }
|
|
if let Event::PaymentSent { payment_preimage, .. } = events[1] { assert_eq!(payment_preimage, our_payment_preimage); } else { panic!(); }
|
|
// Note that we don't get a PaymentPathSuccessful here as we leave the HTLC pending to avoid
|
|
// the double-claim that would otherwise appear at the end of this test.
|
|
nodes[0].node.timer_tick_occurred();
|
|
let as_broadcasted_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
|
|
assert_eq!(as_broadcasted_txn.len(), 1);
|
|
|
|
// Ensure that, even after some time, if we restart we still include *something* in the current
|
|
// `ChannelManager` which prevents a `PaymentFailed` when we restart even if pending resolved
|
|
// payments have since been timed out thanks to `IDEMPOTENCY_TIMEOUT_TICKS`.
|
|
// A naive implementation of the fix here would wipe the pending payments set, causing a
|
|
// failure event when we restart.
|
|
for _ in 0..(IDEMPOTENCY_TIMEOUT_TICKS * 2) { nodes[0].node.timer_tick_occurred(); }
|
|
|
|
let chan_0_monitor_serialized = get_monitor!(nodes[0], chan_id).encode();
|
|
reload_node!(nodes[0], test_default_channel_config(), &nodes[0].node.encode(), &[&chan_0_monitor_serialized], persister_b, chain_monitor_b, nodes_0_deserialized_b);
|
|
let events = nodes[0].node.get_and_clear_pending_events();
|
|
assert!(events.is_empty());
|
|
|
|
// Ensure that we don't generate any further events even after the channel-closing commitment
|
|
// transaction is confirmed on-chain.
|
|
confirm_transaction(&nodes[0], &as_broadcasted_txn[0]);
|
|
for _ in 0..(IDEMPOTENCY_TIMEOUT_TICKS * 2) { nodes[0].node.timer_tick_occurred(); }
|
|
|
|
let events = nodes[0].node.get_and_clear_pending_events();
|
|
assert!(events.is_empty());
|
|
|
|
let chan_0_monitor_serialized = get_monitor!(nodes[0], chan_id).encode();
|
|
reload_node!(nodes[0], test_default_channel_config(), &nodes[0].node.encode(), &[&chan_0_monitor_serialized], persister_c, chain_monitor_c, nodes_0_deserialized_c);
|
|
let events = nodes[0].node.get_and_clear_pending_events();
|
|
assert!(events.is_empty());
|
|
check_added_monitors(&nodes[0], 1);
|
|
}
|
|
|
|
#[test]
|
|
fn no_missing_sent_on_midpoint_reload() {
|
|
do_no_missing_sent_on_reload(false, true);
|
|
do_no_missing_sent_on_reload(true, true);
|
|
}
|
|
|
|
#[test]
|
|
fn no_missing_sent_on_reload() {
|
|
do_no_missing_sent_on_reload(false, false);
|
|
do_no_missing_sent_on_reload(true, false);
|
|
}
|
|
|
|
fn do_claim_from_closed_chan(fail_payment: bool) {
|
|
// Previously, LDK would refuse to claim a payment if a channel on which the payment was
|
|
// received had been closed between when the HTLC was received and when we went to claim it.
|
|
// This makes sense in the payment case - why pay an on-chain fee to claim the HTLC when
|
|
// presumably the sender may retry later. Long ago it also reduced total code in the claim
|
|
// pipeline.
|
|
//
|
|
// However, this doesn't make sense if you're trying to do an atomic swap or some other
|
|
// protocol that requires atomicity with some other action - if your money got claimed
|
|
// elsewhere you need to be able to claim the HTLC in lightning no matter what. Further, this
|
|
// is an over-optimization - there should be a very, very low likelihood that a channel closes
|
|
// between when we receive the last HTLC for a payment and the user goes to claim the payment.
|
|
// Since we now have code to handle this anyway we should allow it.
|
|
|
|
// Build 4 nodes and send an MPP payment across two paths. By building a route manually set the
|
|
// CLTVs on the paths to different value resulting in a different claim deadline.
|
|
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);
|
|
|
|
create_announced_chan_between_nodes(&nodes, 0, 1);
|
|
create_announced_chan_between_nodes_with_value(&nodes, 0, 2, 1_000_000, 0);
|
|
let chan_bd = create_announced_chan_between_nodes_with_value(&nodes, 1, 3, 1_000_000, 0).2;
|
|
create_announced_chan_between_nodes(&nodes, 2, 3);
|
|
|
|
let (payment_preimage, payment_hash, payment_secret) = get_payment_preimage_hash!(nodes[3]);
|
|
let mut route_params = RouteParameters::from_payment_params_and_value(
|
|
PaymentParameters::from_node_id(nodes[3].node.get_our_node_id(), TEST_FINAL_CLTV)
|
|
.with_bolt11_features(nodes[1].node.invoice_features()).unwrap(),
|
|
10_000_000);
|
|
let mut route = nodes[0].router.find_route(&nodes[0].node.get_our_node_id(), &route_params,
|
|
None, nodes[0].node.compute_inflight_htlcs()).unwrap();
|
|
// Make sure the route is ordered as the B->D path before C->D
|
|
route.paths.sort_by(|a, _| if a.hops[0].pubkey == nodes[1].node.get_our_node_id() {
|
|
std::cmp::Ordering::Less } else { std::cmp::Ordering::Greater });
|
|
|
|
// Note that we add an extra 1 in the send pipeline to compensate for any blocks found while
|
|
// the HTLC is being relayed.
|
|
route.paths[0].hops[1].cltv_expiry_delta = TEST_FINAL_CLTV + 8;
|
|
route.paths[1].hops[1].cltv_expiry_delta = TEST_FINAL_CLTV + 12;
|
|
let final_cltv = nodes[0].best_block_info().1 + TEST_FINAL_CLTV + 8 + 1;
|
|
|
|
nodes[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
|
|
nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
|
|
PaymentId(payment_hash.0), route_params.clone(), Retry::Attempts(1)).unwrap();
|
|
check_added_monitors(&nodes[0], 2);
|
|
let mut send_msgs = nodes[0].node.get_and_clear_pending_msg_events();
|
|
send_msgs.sort_by(|a, _| {
|
|
let a_node_id =
|
|
if let MessageSendEvent::UpdateHTLCs { node_id, .. } = a { node_id } else { panic!() };
|
|
let node_b_id = nodes[1].node.get_our_node_id();
|
|
if *a_node_id == node_b_id { std::cmp::Ordering::Less } else { std::cmp::Ordering::Greater }
|
|
});
|
|
|
|
assert_eq!(send_msgs.len(), 2);
|
|
pass_along_path(&nodes[0], &[&nodes[1], &nodes[3]], 10_000_000,
|
|
payment_hash, Some(payment_secret), send_msgs.remove(0), false, None);
|
|
let receive_event = pass_along_path(&nodes[0], &[&nodes[2], &nodes[3]], 10_000_000,
|
|
payment_hash, Some(payment_secret), send_msgs.remove(0), true, None);
|
|
|
|
match receive_event.unwrap() {
|
|
Event::PaymentClaimable { claim_deadline, .. } => {
|
|
assert_eq!(claim_deadline.unwrap(), final_cltv - HTLC_FAIL_BACK_BUFFER);
|
|
},
|
|
_ => panic!(),
|
|
}
|
|
|
|
// Ensure that the claim_deadline is correct, with the payment failing at exactly the given
|
|
// height.
|
|
connect_blocks(&nodes[3], final_cltv - HTLC_FAIL_BACK_BUFFER - nodes[3].best_block_info().1
|
|
- if fail_payment { 0 } else { 2 });
|
|
if fail_payment {
|
|
// We fail the HTLC on the A->B->D path first as it expires 4 blocks earlier. We go ahead
|
|
// and expire both immediately, though, by connecting another 4 blocks.
|
|
let reason = HTLCDestination::FailedPayment { payment_hash };
|
|
expect_pending_htlcs_forwardable_and_htlc_handling_failed!(&nodes[3], [reason.clone()]);
|
|
connect_blocks(&nodes[3], 4);
|
|
expect_pending_htlcs_forwardable_and_htlc_handling_failed!(&nodes[3], [reason]);
|
|
pass_failed_payment_back(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], false, payment_hash, PaymentFailureReason::RecipientRejected);
|
|
} else {
|
|
nodes[1].node.force_close_broadcasting_latest_txn(&chan_bd, &nodes[3].node.get_our_node_id()).unwrap();
|
|
check_closed_event!(&nodes[1], 1, ClosureReason::HolderForceClosed, false,
|
|
[nodes[3].node.get_our_node_id()], 1000000);
|
|
check_closed_broadcast(&nodes[1], 1, true);
|
|
let bs_tx = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
|
|
assert_eq!(bs_tx.len(), 1);
|
|
|
|
mine_transaction(&nodes[3], &bs_tx[0]);
|
|
check_added_monitors(&nodes[3], 1);
|
|
check_closed_broadcast(&nodes[3], 1, true);
|
|
check_closed_event!(&nodes[3], 1, ClosureReason::CommitmentTxConfirmed, false,
|
|
[nodes[1].node.get_our_node_id()], 1000000);
|
|
|
|
nodes[3].node.claim_funds(payment_preimage);
|
|
check_added_monitors(&nodes[3], 2);
|
|
expect_payment_claimed!(nodes[3], payment_hash, 10_000_000);
|
|
|
|
let ds_tx = nodes[3].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
|
|
assert_eq!(ds_tx.len(), 1);
|
|
check_spends!(&ds_tx[0], &bs_tx[0]);
|
|
|
|
mine_transactions(&nodes[1], &[&bs_tx[0], &ds_tx[0]]);
|
|
check_added_monitors(&nodes[1], 1);
|
|
expect_payment_forwarded!(nodes[1], nodes[0], nodes[3], Some(1000), false, true);
|
|
|
|
let bs_claims = nodes[1].node.get_and_clear_pending_msg_events();
|
|
check_added_monitors(&nodes[1], 1);
|
|
assert_eq!(bs_claims.len(), 1);
|
|
if let MessageSendEvent::UpdateHTLCs { updates, .. } = &bs_claims[0] {
|
|
nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]);
|
|
commitment_signed_dance!(nodes[0], nodes[1], updates.commitment_signed, false, true);
|
|
} else { panic!(); }
|
|
|
|
expect_payment_sent!(nodes[0], payment_preimage);
|
|
|
|
let ds_claim_msgs = nodes[3].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(ds_claim_msgs.len(), 1);
|
|
let cs_claim_msgs = if let MessageSendEvent::UpdateHTLCs { updates, .. } = &ds_claim_msgs[0] {
|
|
nodes[2].node.handle_update_fulfill_htlc(&nodes[3].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]);
|
|
let cs_claim_msgs = nodes[2].node.get_and_clear_pending_msg_events();
|
|
check_added_monitors(&nodes[2], 1);
|
|
commitment_signed_dance!(nodes[2], nodes[3], updates.commitment_signed, false, true);
|
|
expect_payment_forwarded!(nodes[2], nodes[0], nodes[3], Some(1000), false, false);
|
|
cs_claim_msgs
|
|
} else { panic!(); };
|
|
|
|
assert_eq!(cs_claim_msgs.len(), 1);
|
|
if let MessageSendEvent::UpdateHTLCs { updates, .. } = &cs_claim_msgs[0] {
|
|
nodes[0].node.handle_update_fulfill_htlc(&nodes[2].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]);
|
|
commitment_signed_dance!(nodes[0], nodes[2], updates.commitment_signed, false, true);
|
|
} else { panic!(); }
|
|
|
|
expect_payment_path_successful!(nodes[0]);
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn claim_from_closed_chan() {
|
|
do_claim_from_closed_chan(true);
|
|
do_claim_from_closed_chan(false);
|
|
}
|
|
|
|
#[test]
|
|
fn test_custom_tlvs_basic() {
|
|
do_test_custom_tlvs(false, false, false);
|
|
do_test_custom_tlvs(true, false, false);
|
|
}
|
|
|
|
#[test]
|
|
fn test_custom_tlvs_explicit_claim() {
|
|
// Test that when receiving even custom TLVs the user must explicitly accept in case they
|
|
// are unknown.
|
|
do_test_custom_tlvs(false, true, false);
|
|
do_test_custom_tlvs(false, true, true);
|
|
}
|
|
|
|
fn do_test_custom_tlvs(spontaneous: bool, even_tlvs: bool, known_tlvs: bool) {
|
|
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; 2]);
|
|
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
|
|
|
|
create_announced_chan_between_nodes(&nodes, 0, 1);
|
|
|
|
let amt_msat = 100_000;
|
|
let (mut route, our_payment_hash, our_payment_preimage, our_payment_secret) = get_route_and_payment_hash!(&nodes[0], &nodes[1], amt_msat);
|
|
let payment_id = PaymentId(our_payment_hash.0);
|
|
let custom_tlvs = vec![
|
|
(if even_tlvs { 5482373482 } else { 5482373483 }, vec![1, 2, 3, 4]),
|
|
(5482373487, vec![0x42u8; 16]),
|
|
];
|
|
let onion_fields = RecipientOnionFields {
|
|
payment_secret: if spontaneous { None } else { Some(our_payment_secret) },
|
|
payment_metadata: None,
|
|
custom_tlvs: custom_tlvs.clone()
|
|
};
|
|
if spontaneous {
|
|
nodes[0].node.send_spontaneous_payment(&route, Some(our_payment_preimage), onion_fields, payment_id).unwrap();
|
|
} else {
|
|
nodes[0].node.send_payment_with_route(&route, our_payment_hash, onion_fields, payment_id).unwrap();
|
|
}
|
|
check_added_monitors(&nodes[0], 1);
|
|
|
|
let mut events = nodes[0].node.get_and_clear_pending_msg_events();
|
|
let ev = remove_first_msg_event_to_node(&nodes[1].node.get_our_node_id(), &mut events);
|
|
let mut payment_event = SendEvent::from_event(ev);
|
|
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]);
|
|
check_added_monitors!(&nodes[1], 0);
|
|
commitment_signed_dance!(nodes[1], nodes[0], payment_event.commitment_msg, false);
|
|
expect_pending_htlcs_forwardable!(nodes[1]);
|
|
|
|
let events = nodes[1].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 1);
|
|
match events[0] {
|
|
Event::PaymentClaimable { ref onion_fields, .. } => {
|
|
assert_eq!(onion_fields.clone().unwrap().custom_tlvs().clone(), custom_tlvs);
|
|
},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
|
|
match (known_tlvs, even_tlvs) {
|
|
(true, _) => {
|
|
nodes[1].node.claim_funds_with_known_custom_tlvs(our_payment_preimage);
|
|
let expected_total_fee_msat = pass_claimed_payment_along_route(&nodes[0], &[&[&nodes[1]]], &[0; 1], false, our_payment_preimage);
|
|
expect_payment_sent!(&nodes[0], our_payment_preimage, Some(expected_total_fee_msat));
|
|
},
|
|
(false, false) => {
|
|
claim_payment(&nodes[0], &[&nodes[1]], our_payment_preimage);
|
|
},
|
|
(false, true) => {
|
|
nodes[1].node.claim_funds(our_payment_preimage);
|
|
let expected_destinations = vec![HTLCDestination::FailedPayment { payment_hash: our_payment_hash }];
|
|
expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[1], expected_destinations);
|
|
pass_failed_payment_back(&nodes[0], &[&[&nodes[1]]], false, our_payment_hash, PaymentFailureReason::RecipientRejected);
|
|
}
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_retry_custom_tlvs() {
|
|
// Test that custom TLVs are successfully sent on retries
|
|
let chanmon_cfgs = create_chanmon_cfgs(3);
|
|
let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
|
|
let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]);
|
|
let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
|
|
|
|
create_announced_chan_between_nodes(&nodes, 0, 1);
|
|
let (chan_2_update, _, chan_2_id, _) = create_announced_chan_between_nodes(&nodes, 2, 1);
|
|
|
|
// Rebalance
|
|
send_payment(&nodes[2], &vec!(&nodes[1])[..], 1_500_000);
|
|
|
|
let amt_msat = 1_000_000;
|
|
let (route, payment_hash, payment_preimage, payment_secret) =
|
|
get_route_and_payment_hash!(nodes[0], nodes[2], amt_msat);
|
|
|
|
// Initiate the payment
|
|
let payment_id = PaymentId(payment_hash.0);
|
|
let mut route_params = route.route_params.clone().unwrap();
|
|
|
|
let custom_tlvs = vec![((1 << 16) + 1, vec![0x42u8; 16])];
|
|
let onion_fields = RecipientOnionFields::secret_only(payment_secret);
|
|
let onion_fields = onion_fields.with_custom_tlvs(custom_tlvs.clone()).unwrap();
|
|
|
|
nodes[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
|
|
nodes[0].node.send_payment(payment_hash, onion_fields,
|
|
payment_id, route_params.clone(), Retry::Attempts(1)).unwrap();
|
|
check_added_monitors!(nodes[0], 1); // one monitor per path
|
|
|
|
// Add the HTLC along the first hop.
|
|
let htlc_updates = get_htlc_update_msgs(&nodes[0], &nodes[1].node.get_our_node_id());
|
|
let msgs::CommitmentUpdate { update_add_htlcs, commitment_signed, .. } = htlc_updates;
|
|
assert_eq!(update_add_htlcs.len(), 1);
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &update_add_htlcs[0]);
|
|
commitment_signed_dance!(nodes[1], nodes[0], commitment_signed, false);
|
|
|
|
// Attempt to forward the payment and complete the path's failure.
|
|
expect_pending_htlcs_forwardable!(&nodes[1]);
|
|
expect_pending_htlcs_forwardable_and_htlc_handling_failed!(&nodes[1],
|
|
vec![HTLCDestination::NextHopChannel {
|
|
node_id: Some(nodes[2].node.get_our_node_id()),
|
|
channel_id: chan_2_id
|
|
}]);
|
|
check_added_monitors!(nodes[1], 1);
|
|
|
|
let htlc_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
|
|
let msgs::CommitmentUpdate { update_fail_htlcs, commitment_signed, .. } = htlc_updates;
|
|
assert_eq!(update_fail_htlcs.len(), 1);
|
|
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &update_fail_htlcs[0]);
|
|
commitment_signed_dance!(nodes[0], nodes[1], commitment_signed, false);
|
|
|
|
let mut events = nodes[0].node.get_and_clear_pending_events();
|
|
match events[1] {
|
|
Event::PendingHTLCsForwardable { .. } => {},
|
|
_ => panic!("Unexpected event")
|
|
}
|
|
events.remove(1);
|
|
expect_payment_failed_conditions_event(events, payment_hash, false,
|
|
PaymentFailedConditions::new().mpp_parts_remain());
|
|
|
|
// Rebalance the channel so the retry of the payment can succeed.
|
|
send_payment(&nodes[2], &vec!(&nodes[1])[..], 1_500_000);
|
|
|
|
// Retry the payment and make sure it succeeds
|
|
route_params.payment_params.previously_failed_channels.push(chan_2_update.contents.short_channel_id);
|
|
nodes[0].router.expect_find_route(route_params, Ok(route));
|
|
nodes[0].node.process_pending_htlc_forwards();
|
|
check_added_monitors!(nodes[0], 1);
|
|
let mut events = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(events.len(), 1);
|
|
let payment_claimable = pass_along_path(&nodes[0], &[&nodes[1], &nodes[2]], 1_000_000,
|
|
payment_hash, Some(payment_secret), events.pop().unwrap(), true, None).unwrap();
|
|
match payment_claimable {
|
|
Event::PaymentClaimable { onion_fields, .. } => {
|
|
assert_eq!(onion_fields.unwrap().custom_tlvs(), &custom_tlvs);
|
|
},
|
|
_ => panic!("Unexpected event"),
|
|
};
|
|
claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], false, payment_preimage);
|
|
}
|
|
|
|
#[test]
|
|
fn test_custom_tlvs_consistency() {
|
|
let even_type_1 = 1 << 16;
|
|
let odd_type_1 = (1 << 16)+ 1;
|
|
let even_type_2 = (1 << 16) + 2;
|
|
let odd_type_2 = (1 << 16) + 3;
|
|
let value_1 = || vec![1, 2, 3, 4];
|
|
let differing_value_1 = || vec![1, 2, 3, 5];
|
|
let value_2 = || vec![42u8; 16];
|
|
|
|
// Drop missing odd tlvs
|
|
do_test_custom_tlvs_consistency(
|
|
vec![(odd_type_1, value_1()), (odd_type_2, value_2())],
|
|
vec![(odd_type_1, value_1())],
|
|
Some(vec![(odd_type_1, value_1())]),
|
|
);
|
|
// Drop non-matching odd tlvs
|
|
do_test_custom_tlvs_consistency(
|
|
vec![(odd_type_1, value_1()), (odd_type_2, value_2())],
|
|
vec![(odd_type_1, differing_value_1()), (odd_type_2, value_2())],
|
|
Some(vec![(odd_type_2, value_2())]),
|
|
);
|
|
// Fail missing even tlvs
|
|
do_test_custom_tlvs_consistency(
|
|
vec![(odd_type_1, value_1()), (even_type_2, value_2())],
|
|
vec![(odd_type_1, value_1())],
|
|
None,
|
|
);
|
|
// Fail non-matching even tlvs
|
|
do_test_custom_tlvs_consistency(
|
|
vec![(even_type_1, value_1()), (odd_type_2, value_2())],
|
|
vec![(even_type_1, differing_value_1()), (odd_type_2, value_2())],
|
|
None,
|
|
);
|
|
}
|
|
|
|
fn do_test_custom_tlvs_consistency(first_tlvs: Vec<(u64, Vec<u8>)>, second_tlvs: Vec<(u64, Vec<u8>)>,
|
|
expected_receive_tlvs: Option<Vec<(u64, Vec<u8>)>>) {
|
|
|
|
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 nodes = create_network(4, &node_cfgs, &node_chanmgrs);
|
|
|
|
create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100_000, 0);
|
|
create_announced_chan_between_nodes_with_value(&nodes, 0, 2, 100_000, 0);
|
|
create_announced_chan_between_nodes_with_value(&nodes, 1, 3, 100_000, 0);
|
|
let chan_2_3 = create_announced_chan_between_nodes_with_value(&nodes, 2, 3, 100_000, 0);
|
|
|
|
let payment_params = PaymentParameters::from_node_id(nodes[3].node.get_our_node_id(), TEST_FINAL_CLTV)
|
|
.with_bolt11_features(nodes[3].node.invoice_features()).unwrap();
|
|
let mut route = get_route!(nodes[0], payment_params, 15_000_000).unwrap();
|
|
assert_eq!(route.paths.len(), 2);
|
|
route.paths.sort_by(|path_a, _| {
|
|
// Sort the path so that the path through nodes[1] comes first
|
|
if path_a.hops[0].pubkey == nodes[1].node.get_our_node_id() {
|
|
core::cmp::Ordering::Less } else { core::cmp::Ordering::Greater }
|
|
});
|
|
|
|
let (our_payment_preimage, our_payment_hash, our_payment_secret) = get_payment_preimage_hash!(&nodes[3]);
|
|
let payment_id = PaymentId([42; 32]);
|
|
let amt_msat = 15_000_000;
|
|
|
|
// Send first part
|
|
let onion_fields = RecipientOnionFields {
|
|
payment_secret: Some(our_payment_secret),
|
|
payment_metadata: None,
|
|
custom_tlvs: first_tlvs
|
|
};
|
|
let session_privs = nodes[0].node.test_add_new_pending_payment(our_payment_hash,
|
|
onion_fields.clone(), payment_id, &route).unwrap();
|
|
let cur_height = nodes[0].best_block_info().1;
|
|
nodes[0].node.test_send_payment_along_path(&route.paths[0], &our_payment_hash,
|
|
onion_fields.clone(), amt_msat, cur_height, payment_id,
|
|
&None, session_privs[0]).unwrap();
|
|
check_added_monitors!(nodes[0], 1);
|
|
|
|
{
|
|
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]], amt_msat, our_payment_hash,
|
|
Some(our_payment_secret), events.pop().unwrap(), false, None);
|
|
}
|
|
assert!(nodes[3].node.get_and_clear_pending_events().is_empty());
|
|
|
|
// Send second part
|
|
let onion_fields = RecipientOnionFields {
|
|
payment_secret: Some(our_payment_secret),
|
|
payment_metadata: None,
|
|
custom_tlvs: second_tlvs
|
|
};
|
|
nodes[0].node.test_send_payment_along_path(&route.paths[1], &our_payment_hash,
|
|
onion_fields.clone(), amt_msat, cur_height, payment_id, &None, session_privs[1]).unwrap();
|
|
check_added_monitors!(nodes[0], 1);
|
|
|
|
{
|
|
let mut events = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(events.len(), 1);
|
|
let payment_event = SendEvent::from_event(events.pop().unwrap());
|
|
|
|
nodes[2].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]);
|
|
commitment_signed_dance!(nodes[2], nodes[0], payment_event.commitment_msg, false);
|
|
|
|
expect_pending_htlcs_forwardable!(nodes[2]);
|
|
check_added_monitors!(nodes[2], 1);
|
|
|
|
let mut events = nodes[2].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(events.len(), 1);
|
|
let payment_event = SendEvent::from_event(events.pop().unwrap());
|
|
|
|
nodes[3].node.handle_update_add_htlc(&nodes[2].node.get_our_node_id(), &payment_event.msgs[0]);
|
|
check_added_monitors!(nodes[3], 0);
|
|
commitment_signed_dance!(nodes[3], nodes[2], payment_event.commitment_msg, true, true);
|
|
}
|
|
expect_pending_htlcs_forwardable_ignore!(nodes[3]);
|
|
nodes[3].node.process_pending_htlc_forwards();
|
|
|
|
if let Some(expected_tlvs) = expected_receive_tlvs {
|
|
// Claim and match expected
|
|
let events = nodes[3].node.get_and_clear_pending_events();
|
|
assert_eq!(events.len(), 1);
|
|
match events[0] {
|
|
Event::PaymentClaimable { ref onion_fields, .. } => {
|
|
assert_eq!(onion_fields.clone().unwrap().custom_tlvs, expected_tlvs);
|
|
},
|
|
_ => panic!("Unexpected event"),
|
|
}
|
|
|
|
do_claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]],
|
|
false, our_payment_preimage);
|
|
expect_payment_sent(&nodes[0], our_payment_preimage, Some(Some(2000)), true, true);
|
|
} else {
|
|
// Expect fail back
|
|
let expected_destinations = vec![HTLCDestination::FailedPayment { payment_hash: our_payment_hash }];
|
|
expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[3], expected_destinations);
|
|
check_added_monitors!(nodes[3], 1);
|
|
|
|
let fail_updates_1 = get_htlc_update_msgs!(nodes[3], nodes[2].node.get_our_node_id());
|
|
nodes[2].node.handle_update_fail_htlc(&nodes[3].node.get_our_node_id(), &fail_updates_1.update_fail_htlcs[0]);
|
|
commitment_signed_dance!(nodes[2], nodes[3], fail_updates_1.commitment_signed, false);
|
|
|
|
expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[2], vec![
|
|
HTLCDestination::NextHopChannel {
|
|
node_id: Some(nodes[3].node.get_our_node_id()),
|
|
channel_id: chan_2_3.2
|
|
}]);
|
|
check_added_monitors!(nodes[2], 1);
|
|
|
|
let fail_updates_2 = get_htlc_update_msgs!(nodes[2], nodes[0].node.get_our_node_id());
|
|
nodes[0].node.handle_update_fail_htlc(&nodes[2].node.get_our_node_id(), &fail_updates_2.update_fail_htlcs[0]);
|
|
commitment_signed_dance!(nodes[0], nodes[2], fail_updates_2.commitment_signed, false);
|
|
|
|
expect_payment_failed_conditions(&nodes[0], our_payment_hash, true,
|
|
PaymentFailedConditions::new().mpp_parts_remain());
|
|
}
|
|
}
|
|
|
|
fn do_test_payment_metadata_consistency(do_reload: bool, do_modify: bool) {
|
|
// Check that a payment metadata received on one HTLC that doesn't match the one received on
|
|
// another results in the HTLC being rejected.
|
|
//
|
|
// We first set up a diamond shaped network, allowing us to split a payment into two HTLCs, the
|
|
// first of which we'll deliver and the second of which we'll fail and then re-send with
|
|
// modified payment metadata, which will in turn result in it being failed by the recipient.
|
|
let chanmon_cfgs = create_chanmon_cfgs(4);
|
|
let node_cfgs = create_node_cfgs(4, &chanmon_cfgs);
|
|
let persister;
|
|
let new_chain_monitor;
|
|
|
|
let mut config = test_default_channel_config();
|
|
config.channel_handshake_config.max_inbound_htlc_value_in_flight_percent_of_channel = 50;
|
|
let node_chanmgrs = create_node_chanmgrs(4, &node_cfgs, &[None, Some(config), Some(config), Some(config)]);
|
|
let nodes_0_deserialized;
|
|
|
|
let mut nodes = create_network(4, &node_cfgs, &node_chanmgrs);
|
|
|
|
create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 0);
|
|
let chan_id_bd = create_announced_chan_between_nodes_with_value(&nodes, 1, 3, 1_000_000, 0).2;
|
|
create_announced_chan_between_nodes_with_value(&nodes, 0, 2, 1_000_000, 0);
|
|
let chan_id_cd = create_announced_chan_between_nodes_with_value(&nodes, 2, 3, 1_000_000, 0).2;
|
|
|
|
// Pay more than half of each channel's max, requiring MPP
|
|
let amt_msat = 750_000_000;
|
|
let (payment_preimage, payment_hash, payment_secret) = get_payment_preimage_hash!(nodes[3], Some(amt_msat));
|
|
let payment_id = PaymentId(payment_hash.0);
|
|
let payment_metadata = vec![44, 49, 52, 142];
|
|
|
|
let payment_params = PaymentParameters::from_node_id(nodes[3].node.get_our_node_id(), TEST_FINAL_CLTV)
|
|
.with_bolt11_features(nodes[1].node.invoice_features()).unwrap();
|
|
let mut route_params = RouteParameters::from_payment_params_and_value(payment_params, amt_msat);
|
|
|
|
// Send the MPP payment, delivering the updated commitment state to nodes[1].
|
|
nodes[0].node.send_payment(payment_hash, RecipientOnionFields {
|
|
payment_secret: Some(payment_secret), payment_metadata: Some(payment_metadata), custom_tlvs: vec![],
|
|
}, payment_id, route_params.clone(), Retry::Attempts(1)).unwrap();
|
|
check_added_monitors!(nodes[0], 2);
|
|
|
|
let mut send_events = nodes[0].node.get_and_clear_pending_msg_events();
|
|
assert_eq!(send_events.len(), 2);
|
|
let first_send = SendEvent::from_event(send_events.pop().unwrap());
|
|
let second_send = SendEvent::from_event(send_events.pop().unwrap());
|
|
|
|
let (b_recv_ev, c_recv_ev) = if first_send.node_id == nodes[1].node.get_our_node_id() {
|
|
(&first_send, &second_send)
|
|
} else {
|
|
(&second_send, &first_send)
|
|
};
|
|
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &b_recv_ev.msgs[0]);
|
|
commitment_signed_dance!(nodes[1], nodes[0], b_recv_ev.commitment_msg, false, true);
|
|
|
|
expect_pending_htlcs_forwardable!(nodes[1]);
|
|
check_added_monitors(&nodes[1], 1);
|
|
let b_forward_ev = SendEvent::from_node(&nodes[1]);
|
|
nodes[3].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &b_forward_ev.msgs[0]);
|
|
commitment_signed_dance!(nodes[3], nodes[1], b_forward_ev.commitment_msg, false, true);
|
|
|
|
expect_pending_htlcs_forwardable!(nodes[3]);
|
|
|
|
// Before delivering the second MPP HTLC to nodes[2], disconnect nodes[2] and nodes[3], which
|
|
// will result in nodes[2] failing the HTLC back.
|
|
nodes[2].node.peer_disconnected(&nodes[3].node.get_our_node_id());
|
|
nodes[3].node.peer_disconnected(&nodes[2].node.get_our_node_id());
|
|
|
|
nodes[2].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &c_recv_ev.msgs[0]);
|
|
commitment_signed_dance!(nodes[2], nodes[0], c_recv_ev.commitment_msg, false, true);
|
|
|
|
let cs_fail = get_htlc_update_msgs(&nodes[2], &nodes[0].node.get_our_node_id());
|
|
nodes[0].node.handle_update_fail_htlc(&nodes[2].node.get_our_node_id(), &cs_fail.update_fail_htlcs[0]);
|
|
commitment_signed_dance!(nodes[0], nodes[2], cs_fail.commitment_signed, false, true);
|
|
|
|
let payment_fail_retryable_evs = nodes[0].node.get_and_clear_pending_events();
|
|
assert_eq!(payment_fail_retryable_evs.len(), 2);
|
|
if let Event::PaymentPathFailed { .. } = payment_fail_retryable_evs[0] {} else { panic!(); }
|
|
if let Event::PendingHTLCsForwardable { .. } = payment_fail_retryable_evs[1] {} else { panic!(); }
|
|
|
|
// Before we allow the HTLC to be retried, optionally change the payment_metadata we have
|
|
// stored for our payment.
|
|
if do_modify {
|
|
nodes[0].node.test_set_payment_metadata(payment_id, Some(Vec::new()));
|
|
}
|
|
|
|
// Optionally reload nodes[3] to check that the payment_metadata is properly serialized with
|
|
// the payment state.
|
|
if do_reload {
|
|
let mon_bd = get_monitor!(nodes[3], chan_id_bd).encode();
|
|
let mon_cd = get_monitor!(nodes[3], chan_id_cd).encode();
|
|
reload_node!(nodes[3], config, &nodes[3].node.encode(), &[&mon_bd, &mon_cd],
|
|
persister, new_chain_monitor, nodes_0_deserialized);
|
|
nodes[1].node.peer_disconnected(&nodes[3].node.get_our_node_id());
|
|
reconnect_nodes(ReconnectArgs::new(&nodes[1], &nodes[3]));
|
|
}
|
|
let mut reconnect_args = ReconnectArgs::new(&nodes[2], &nodes[3]);
|
|
reconnect_args.send_channel_ready = (true, true);
|
|
reconnect_nodes(reconnect_args);
|
|
|
|
// Create a new channel between C and D as A will refuse to retry on the existing one because
|
|
// it just failed.
|
|
let chan_id_cd_2 = create_announced_chan_between_nodes_with_value(&nodes, 2, 3, 1_000_000, 0).2;
|
|
|
|
// Now retry the failed HTLC.
|
|
nodes[0].node.process_pending_htlc_forwards();
|
|
check_added_monitors(&nodes[0], 1);
|
|
let as_resend = SendEvent::from_node(&nodes[0]);
|
|
nodes[2].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &as_resend.msgs[0]);
|
|
commitment_signed_dance!(nodes[2], nodes[0], as_resend.commitment_msg, false, true);
|
|
|
|
expect_pending_htlcs_forwardable!(nodes[2]);
|
|
check_added_monitors(&nodes[2], 1);
|
|
let cs_forward = SendEvent::from_node(&nodes[2]);
|
|
nodes[3].node.handle_update_add_htlc(&nodes[2].node.get_our_node_id(), &cs_forward.msgs[0]);
|
|
commitment_signed_dance!(nodes[3], nodes[2], cs_forward.commitment_msg, false, true);
|
|
|
|
// Finally, check that nodes[3] does the correct thing - either accepting the payment or, if
|
|
// the payment metadata was modified, failing only the one modified HTLC and retaining the
|
|
// other.
|
|
if do_modify {
|
|
expect_pending_htlcs_forwardable_ignore!(nodes[3]);
|
|
nodes[3].node.process_pending_htlc_forwards();
|
|
expect_pending_htlcs_forwardable_conditions(nodes[3].node.get_and_clear_pending_events(),
|
|
&[HTLCDestination::FailedPayment {payment_hash}]);
|
|
nodes[3].node.process_pending_htlc_forwards();
|
|
|
|
check_added_monitors(&nodes[3], 1);
|
|
let ds_fail = get_htlc_update_msgs(&nodes[3], &nodes[2].node.get_our_node_id());
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|
|
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nodes[2].node.handle_update_fail_htlc(&nodes[3].node.get_our_node_id(), &ds_fail.update_fail_htlcs[0]);
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|
commitment_signed_dance!(nodes[2], nodes[3], ds_fail.commitment_signed, false, true);
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|
expect_pending_htlcs_forwardable_conditions(nodes[2].node.get_and_clear_pending_events(),
|
|
&[HTLCDestination::NextHopChannel { node_id: Some(nodes[3].node.get_our_node_id()), channel_id: chan_id_cd_2 }]);
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|
} else {
|
|
expect_pending_htlcs_forwardable!(nodes[3]);
|
|
expect_payment_claimable!(nodes[3], payment_hash, payment_secret, amt_msat);
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|
claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], false, payment_preimage);
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_payment_metadata_consistency() {
|
|
do_test_payment_metadata_consistency(true, true);
|
|
do_test_payment_metadata_consistency(true, false);
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|
do_test_payment_metadata_consistency(false, true);
|
|
do_test_payment_metadata_consistency(false, false);
|
|
}
|