//! payments thereafter.
use crate::chain::{ChannelMonitorUpdateStatus, Confirm, Listen, Watch};
-use crate::chain::channelmonitor::{ANTI_REORG_DELAY, LATENCY_GRACE_PERIOD_BLOCKS};
+use crate::chain::channelmonitor::{ANTI_REORG_DELAY, HTLC_FAIL_BACK_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS};
use crate::chain::keysinterface::EntropySource;
use crate::chain::transaction::OutPoint;
use crate::events::{ClosureReason, Event, HTLCDestination, MessageSendEvent, MessageSendEventsProvider, PathFailure};
use crate::ln::channel::EXPIRE_PREV_CONFIG_TICKS;
-use crate::ln::channelmanager::{BREAKDOWN_TIMEOUT, ChannelManager, MPP_TIMEOUT_TICKS, MIN_CLTV_EXPIRY_DELTA, PaymentId, PaymentSendFailure, IDEMPOTENCY_TIMEOUT_TICKS, RecentPaymentDetails};
+use crate::ln::channelmanager::{BREAKDOWN_TIMEOUT, ChannelManager, MPP_TIMEOUT_TICKS, MIN_CLTV_EXPIRY_DELTA, PaymentId, PaymentSendFailure, IDEMPOTENCY_TIMEOUT_TICKS, RecentPaymentDetails, RecipientOnionFields};
use crate::ln::features::InvoiceFeatures;
use crate::ln::msgs;
use crate::ln::msgs::ChannelMessageHandler;
use crate::ln::outbound_payment::Retry;
use crate::routing::gossip::{EffectiveCapacity, RoutingFees};
-use crate::routing::router::{get_route, PaymentParameters, Route, RouteHint, RouteHintHop, RouteHop, RouteParameters};
+use crate::routing::router::{get_route, PaymentParameters, Route, Router, RouteHint, RouteHintHop, RouteHop, RouteParameters};
use crate::routing::scoring::ChannelUsage;
use crate::util::test_utils;
use crate::util::errors::APIError;
};
nodes[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
- nodes[0].node.send_payment_with_retry(payment_hash, &Some(payment_secret), payment_id, route_params.clone(), Retry::Attempts(1)).unwrap();
+ nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
+ payment_id, route_params.clone(), Retry::Attempts(1)).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);
route.paths[1][1].short_channel_id = chan_4_update.contents.short_channel_id;
// Initiate the MPP payment.
- nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)).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], 2); // one monitor per path
let mut events = nodes[0].node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 2);
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(&route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)),
- true, APIError::ChannelUnavailable { ref err },
+ 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());
payment_params: route.payment_params.clone().unwrap(),
final_value_msat: amt_msat,
};
- nodes[0].node.send_payment_with_retry(payment_hash, &Some(payment_secret), PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
+ 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();
nodes[1].node.timer_tick_occurred();
}
- assert!(nodes[0].node.send_payment(&new_route, payment_hash, &Some(payment_secret), payment_id_1).is_err()); // Shouldn't be allowed to retry a fulfilled payment
- nodes[0].node.send_payment(&new_route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)).unwrap();
+ 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);
// 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(&new_route, payment_hash, &Some(payment_secret), payment_id) {
+ 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")
}
nodes_0_serialized = nodes[0].node.encode();
// After the payment failed, we're free to send it again.
- assert!(nodes[0].node.send_payment(&new_route, payment_hash, &Some(payment_secret), payment_id).is_ok());
+ 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);
// 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(&new_route, payment_hash, &Some(payment_secret), payment_id).is_ok());
+ 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(&new_route, payment_hash, &Some(payment_secret), payment_id) {
+ 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")
}
reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
- match nodes[0].node.send_payment(&new_route, payment_hash, &Some(payment_secret), payment_id) {
+ 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")
}
&nodes[0].node.get_our_node_id(), &payment_params, &nodes[0].network_graph.read_only(),
Some(&nodes[0].node.list_usable_channels().iter().collect::<Vec<_>>()),
amt_msat, TEST_FINAL_CLTV, nodes[0].logger, &scorer, &random_seed_bytes).unwrap();
- nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)).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`
() => {
// 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(&route, second_payment_hash, &Some(second_payment_secret), payment_id);
+ 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, payment_id);
+ 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),
nodes[0].node.timer_tick_occurred();
}
- nodes[0].node.send_payment(&route, second_payment_hash, &Some(second_payment_secret), payment_id).unwrap();
+ 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);
() => {
// 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(&route, second_payment_hash, &Some(second_payment_secret), payment_id);
+ 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, payment_id);
+ 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),
// However, we can reuse the PaymentId immediately after we `abandon_payment` upon passing the
// failed payment back.
- nodes[0].node.send_payment(&route, second_payment_hash, &Some(second_payment_secret), payment_id).unwrap();
+ 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);
// 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(&route, payment_hash_1, &Some(payment_secret_1), PaymentId(payment_hash_1.0)).unwrap();
+ 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(&route, payment_hash_2, &Some(payment_secret_2), PaymentId(payment_hash_2.0)).unwrap();
+ 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);
}
).unwrap();
let (payment_hash, payment_secret) = nodes[2].node.create_inbound_payment(Some(amt_msat), 60 * 60, None).unwrap();
- nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)).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();
if test == AutoRetry::Success {
// Test that we can succeed on the first retry.
- nodes[0].node.send_payment_with_retry(payment_hash, &Some(payment_secret), PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
+ 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
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), PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
+ 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
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_with_retry(payment_hash, &Some(payment_secret), PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
+ 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
} 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_with_retry(payment_hash, &Some(payment_secret), PaymentId(payment_hash.0), route_params, Retry::Timeout(Duration::from_secs(60))).unwrap();
+ 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.
} 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_with_retry(payment_hash, &Some(payment_secret), PaymentId(payment_hash.0), route_params, Retry::Attempts(2)).unwrap();
+ 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
_ => panic!("Unexpected event"),
}
} else if test == AutoRetry::FailOnRetry {
- nodes[0].node.send_payment_with_retry(payment_hash, &Some(payment_secret), PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
+ 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
}, 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_with_retry(payment_hash, &Some(payment_secret), PaymentId(payment_hash.0), route_params, Retry::Attempts(3)).unwrap();
+ nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
+ PaymentId(payment_hash.0), route_params, Retry::Attempts(3)).unwrap();
let closed_chan_events = nodes[0].node.get_and_clear_pending_events();
assert_eq!(closed_chan_events.len(), 4);
match closed_chan_events[0] {
};
chanmon_cfgs[0].persister.set_update_ret(ChannelMonitorUpdateStatus::PermanentFailure);
- nodes[0].node.send_payment_with_retry(payment_hash, &Some(payment_secret), PaymentId(payment_hash.0), route_params, Retry::Attempts(0)).unwrap();
+ nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
+ PaymentId(payment_hash.0), route_params, Retry::Attempts(0)).unwrap();
assert_eq!(nodes[0].node.get_and_clear_pending_msg_events().len(), 2); // channel close messages
let events = nodes[0].node.get_and_clear_pending_events();
assert_eq!(events.len(), 3);
final_value_msat: amt_msat,
};
- nodes[0].node.send_payment_with_retry(payment_hash, &Some(payment_secret), PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
+ 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);
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_with_retry(payment_hash, &Some(payment_secret), PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
+ 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] {
payment_params: pay_params, final_value_msat: amt_msat,
}, Ok(route.clone()));
- nodes[0].node.send_payment_with_retry(payment_hash, &Some(payment_secret), PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
+ 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] {
final_value_msat: amt_msat,
}, Ok(route.clone()));
- nodes[0].node.send_payment_with_retry(payment_hash, &Some(payment_secret), PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
+ 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);
final_value_msat: amt_msat / 2,
}, Ok(route.clone()));
- nodes[0].node.send_payment_with_retry(payment_hash, &Some(payment_secret), PaymentId(payment_hash.0), route_params, Retry::Attempts(1)).unwrap();
+ 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[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
- nodes[0].node.send_payment_with_retry(payment_hash, &Some(payment_secret), PaymentId(payment_hash.0), route_params.clone(), Retry::Attempts(0xdeadbeef)).unwrap();
+ 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);
do_no_missing_sent_on_midpoint_reload(false);
do_no_missing_sent_on_midpoint_reload(true);
}
+
+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 {
+ payment_params: PaymentParameters::from_node_id(nodes[3].node.get_our_node_id(), TEST_FINAL_CLTV)
+ .with_features(nodes[1].node.invoice_features()),
+ final_value_msat: 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[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][1].cltv_expiry_delta = TEST_FINAL_CLTV + 8;
+ route.paths[1][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);
+ } 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);
+ 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[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);
+}
projects / rust-lightning / blobdiff