assert_eq!(node_id, recipient);
(*msg).clone()
},
+ MessageSendEvent::HandleError {
+ action: msgs::ErrorAction::DisconnectPeer { ref msg }, ref node_id
+ } => {
+ assert_eq!(node_id, recipient);
+ msg.as_ref().unwrap().clone()
+ },
_ => panic!("Unexpected event"),
}
}
assert_eq!(msg.contents.flags & 2, 2);
None
},
- MessageSendEvent::HandleError { action: msgs::ErrorAction::SendErrorMessage { ref msg }, node_id: _ } => {
+ MessageSendEvent::HandleError { action: msgs::ErrorAction::SendErrorMessage { msg }, node_id: _ } => {
+ assert!(with_error_msg);
+ // TODO: Check node_id
+ Some(msg)
+ },
+ MessageSendEvent::HandleError { action: msgs::ErrorAction::DisconnectPeer { msg }, node_id: _ } => {
assert!(with_error_msg);
// TODO: Check node_id
- Some(msg.clone())
+ Some(msg.unwrap())
},
_ => panic!("Unexpected event"),
}
}
}
+#[derive(Default)]
+pub struct ExpectedCloseEvent {
+ pub channel_capacity_sats: Option<u64>,
+ pub channel_id: Option<ChannelId>,
+ pub counterparty_node_id: Option<PublicKey>,
+ pub discard_funding: bool,
+ pub reason: Option<ClosureReason>,
+}
+
+/// Check that multiple channel closing events have been issued.
+pub fn check_closed_events(node: &Node, expected_close_events: &[ExpectedCloseEvent]) {
+ let closed_events_count = expected_close_events.len();
+ let discard_events_count = expected_close_events.iter().filter(|e| e.discard_funding).count();
+ let events = node.node.get_and_clear_pending_events();
+ assert_eq!(events.len(), closed_events_count + discard_events_count, "{:?}", events);
+ for expected_event in expected_close_events {
+ assert!(events.iter().any(|e| matches!(
+ e,
+ Event::ChannelClosed {
+ channel_id,
+ reason,
+ counterparty_node_id,
+ channel_capacity_sats,
+ ..
+ } if (
+ expected_event.channel_id.map(|expected| *channel_id == expected).unwrap_or(true) &&
+ expected_event.reason.as_ref().map(|expected| reason == expected).unwrap_or(true) &&
+ expected_event.counterparty_node_id.map(|expected| *counterparty_node_id == Some(expected)).unwrap_or(true) &&
+ expected_event.channel_capacity_sats.map(|expected| *channel_capacity_sats == Some(expected)).unwrap_or(true)
+ )
+ )));
+ }
+ assert_eq!(events.iter().filter(|e| matches!(
+ e,
+ Event::DiscardFunding { .. },
+ )).count(), discard_events_count);
+}
+
/// Check that a channel's closing channel events has been issued
pub fn check_closed_event(node: &Node, events_count: usize, expected_reason: ClosureReason, is_check_discard_funding: bool,
expected_counterparty_node_ids: &[PublicKey], expected_channel_capacity: u64) {
- let events = node.node.get_and_clear_pending_events();
- assert_eq!(events.len(), events_count, "{:?}", events);
- let mut issues_discard_funding = false;
- for event in events {
- match event {
- Event::ChannelClosed { ref reason, counterparty_node_id,
- channel_capacity_sats, .. } => {
- assert_eq!(*reason, expected_reason);
- assert!(expected_counterparty_node_ids.iter().any(|id| id == &counterparty_node_id.unwrap()));
- assert_eq!(channel_capacity_sats.unwrap(), expected_channel_capacity);
- },
- Event::DiscardFunding { .. } => {
- issues_discard_funding = true;
- }
- _ => panic!("Unexpected event"),
- }
- }
- assert_eq!(is_check_discard_funding, issues_discard_funding);
+ let expected_events_count = if is_check_discard_funding {
+ 2 * expected_counterparty_node_ids.len()
+ } else {
+ expected_counterparty_node_ids.len()
+ };
+ assert_eq!(events_count, expected_events_count);
+ let expected_close_events = expected_counterparty_node_ids.iter().map(|node_id| ExpectedCloseEvent {
+ channel_capacity_sats: Some(expected_channel_capacity),
+ channel_id: None,
+ counterparty_node_id: Some(*node_id),
+ discard_funding: is_check_discard_funding,
+ reason: Some(expected_reason.clone()),
+ }).collect::<Vec<_>>();
+ check_closed_events(node, expected_close_events.as_slice());
}
/// Check that a channel's closing channel events has been issued
macro_rules! get_route_and_payment_hash {
($send_node: expr, $recv_node: expr, $recv_value: expr) => {{
let payment_params = $crate::routing::router::PaymentParameters::from_node_id($recv_node.node.get_our_node_id(), TEST_FINAL_CLTV)
- .with_bolt11_features($recv_node.node.invoice_features()).unwrap();
+ .with_bolt11_features($recv_node.node.bolt11_invoice_features()).unwrap();
$crate::get_route_and_payment_hash!($send_node, $recv_node, payment_params, $recv_value)
}};
($send_node: expr, $recv_node: expr, $payment_params: expr, $recv_value: expr) => {{
}
}
+ #[cfg(any(test, feature = "_test_utils"))]
+ pub fn expect_probe_successful_events(node: &Node, mut probe_results: Vec<(PaymentHash, PaymentId)>) {
+ let mut events = node.node.get_and_clear_pending_events();
+
+ for event in events.drain(..) {
+ match event {
+ Event::ProbeSuccessful { payment_hash: ev_ph, payment_id: ev_pid, ..} => {
+ let result_idx = probe_results.iter().position(|(payment_hash, payment_id)| *payment_hash == ev_ph && *payment_id == ev_pid);
+ assert!(result_idx.is_some());
+
+ probe_results.remove(result_idx.unwrap());
+ },
+ _ => panic!(),
+ }
+ };
+
+ // Ensure that we received a ProbeSuccessful event for each probe result.
+ assert!(probe_results.is_empty());
+ }
+
pub struct PaymentFailedConditions<'a> {
pub(crate) expected_htlc_error_data: Option<(u16, &'a [u8])>,
pub(crate) expected_blamed_scid: Option<u64>,
payment_id
}
- pub fn do_pass_along_path<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_path: &[&Node<'a, 'b, 'c>], recv_value: u64, our_payment_hash: PaymentHash, our_payment_secret: Option<PaymentSecret>, ev: MessageSendEvent, payment_claimable_expected: bool, clear_recipient_events: bool, expected_preimage: Option<PaymentPreimage>) -> Option<Event> {
+ fn fail_payment_along_path<'a, 'b, 'c>(expected_path: &[&Node<'a, 'b, 'c>]) {
+ let origin_node_id = expected_path[0].node.get_our_node_id();
+
+ // iterate from the receiving node to the origin node and handle update fail htlc.
+ for (&node, &prev_node) in expected_path.iter().rev().zip(expected_path.iter().rev().skip(1)) {
+ let updates = get_htlc_update_msgs!(node, prev_node.node.get_our_node_id());
+ prev_node.node.handle_update_fail_htlc(&node.node.get_our_node_id(), &updates.update_fail_htlcs[0]);
+ check_added_monitors!(prev_node, 0);
+
+ let is_first_hop = origin_node_id == prev_node.node.get_our_node_id();
+ // We do not want to fail backwards on the first hop. All other hops should fail backwards.
+ commitment_signed_dance!(prev_node, node, updates.commitment_signed, !is_first_hop);
+ }
+ }
+
+ pub fn do_pass_along_path<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_path: &[&Node<'a, 'b, 'c>], recv_value: u64, our_payment_hash: PaymentHash, our_payment_secret: Option<PaymentSecret>, ev: MessageSendEvent, payment_claimable_expected: bool, clear_recipient_events: bool, expected_preimage: Option<PaymentPreimage>, is_probe: bool) -> Option<Event> {
let mut payment_event = SendEvent::from_event(ev);
let mut prev_node = origin_node;
let mut event = None;
for (idx, &node) in expected_path.iter().enumerate() {
+ let is_last_hop = idx == expected_path.len() - 1;
assert_eq!(node.node.get_our_node_id(), payment_event.node_id);
node.node.handle_update_add_htlc(&prev_node.node.get_our_node_id(), &payment_event.msgs[0]);
check_added_monitors!(node, 0);
- commitment_signed_dance!(node, prev_node, payment_event.commitment_msg, false);
- expect_pending_htlcs_forwardable!(node);
+ if is_last_hop && is_probe {
+ commitment_signed_dance!(node, prev_node, payment_event.commitment_msg, true, true);
+ } else {
+ commitment_signed_dance!(node, prev_node, payment_event.commitment_msg, false);
+ expect_pending_htlcs_forwardable!(node);
+ }
- if idx == expected_path.len() - 1 && clear_recipient_events {
+ if is_last_hop && clear_recipient_events {
let events_2 = node.node.get_and_clear_pending_events();
if payment_claimable_expected {
assert_eq!(events_2.len(), 1);
} else {
assert!(events_2.is_empty());
}
- } else if idx != expected_path.len() - 1 {
+ } else if !is_last_hop {
let mut events_2 = node.node.get_and_clear_pending_msg_events();
assert_eq!(events_2.len(), 1);
check_added_monitors!(node, 1);
}
pub fn pass_along_path<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_path: &[&Node<'a, 'b, 'c>], recv_value: u64, our_payment_hash: PaymentHash, our_payment_secret: Option<PaymentSecret>, ev: MessageSendEvent, payment_claimable_expected: bool, expected_preimage: Option<PaymentPreimage>) -> Option<Event> {
- do_pass_along_path(origin_node, expected_path, recv_value, our_payment_hash, our_payment_secret, ev, payment_claimable_expected, true, expected_preimage)
+ do_pass_along_path(origin_node, expected_path, recv_value, our_payment_hash, our_payment_secret, ev, payment_claimable_expected, true, expected_preimage, false)
+ }
+
+ pub fn send_probe_along_route<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&[&Node<'a, 'b, 'c>]]) {
+ let mut events = origin_node.node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), expected_route.len());
+
+ check_added_monitors!(origin_node, expected_route.len());
+
+ for path in expected_route.iter() {
+ let ev = remove_first_msg_event_to_node(&path[0].node.get_our_node_id(), &mut events);
+
+ do_pass_along_path(origin_node, path, 0, PaymentHash([0_u8; 32]), None, ev, false, false, None, true);
+ let nodes_to_fail_payment: Vec<_> = vec![origin_node].into_iter().chain(path.iter().cloned()).collect();
+
+ fail_payment_along_path(nodes_to_fail_payment.as_slice());
+ }
}
pub fn pass_along_route<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&[&Node<'a, 'b, 'c>]], recv_value: u64, our_payment_hash: PaymentHash, our_payment_secret: PaymentSecret) {
let mut events = origin_node.node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), expected_route.len());
+
for (path_idx, expected_path) in expected_route.iter().enumerate() {
let ev = remove_first_msg_event_to_node(&expected_path[0].node.get_our_node_id(), &mut events);
// Once we've gotten through all the HTLCs, the last one should result in a
- // PaymentClaimable (but each previous one should not!), .
+ // PaymentClaimable (but each previous one should not!).
let expect_payment = path_idx == expected_route.len() - 1;
pass_along_path(origin_node, expected_path, recv_value, our_payment_hash.clone(), Some(our_payment_secret), ev, expect_payment, None);
}
pub fn route_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64) -> (PaymentPreimage, PaymentHash, PaymentSecret, PaymentId) {
let payment_params = PaymentParameters::from_node_id(expected_route.last().unwrap().node.get_our_node_id(), TEST_FINAL_CLTV)
- .with_bolt11_features(expected_route.last().unwrap().node.invoice_features()).unwrap();
+ .with_bolt11_features(expected_route.last().unwrap().node.bolt11_invoice_features()).unwrap();
let route_params = RouteParameters::from_payment_params_and_value(payment_params, recv_value);
let route = get_route(origin_node, &route_params).unwrap();
assert_eq!(route.paths.len(), 1);
pub fn route_over_limit<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64) {
let payment_params = PaymentParameters::from_node_id(expected_route.last().unwrap().node.get_our_node_id(), TEST_FINAL_CLTV)
- .with_bolt11_features(expected_route.last().unwrap().node.invoice_features()).unwrap();
+ .with_bolt11_features(expected_route.last().unwrap().node.bolt11_invoice_features()).unwrap();
let route_params = RouteParameters::from_payment_params_and_value(payment_params, recv_value);
let network_graph = origin_node.network_graph.read_only();
let scorer = test_utils::TestScorer::new();
nodes[b].node.handle_error(&nodes[a].node.get_our_node_id(), msg);
}
},
+ MessageSendEvent::HandleError { node_id, action: msgs::ErrorAction::DisconnectPeer { ref msg } } => {
+ assert_eq!(node_id, nodes[b].node.get_our_node_id());
+ assert_eq!(msg.as_ref().unwrap().data, expected_error);
+ if needs_err_handle {
+ nodes[b].node.handle_error(&nodes[a].node.get_our_node_id(), msg.as_ref().unwrap());
+ }
+ },
_ => panic!("Unexpected event"),
}
assert_eq!(node_id, nodes[a].node.get_our_node_id());
assert_eq!(msg.data, expected_error);
},
+ MessageSendEvent::HandleError { node_id, action: msgs::ErrorAction::DisconnectPeer { ref msg } } => {
+ assert_eq!(node_id, nodes[a].node.get_our_node_id());
+ assert_eq!(msg.as_ref().unwrap().data, expected_error);
+ },
_ => panic!("Unexpected event"),
}
}
use crate::sign::EntropySource;
use crate::chain::transaction::OutPoint;
use crate::events::{ClosureReason, Event, HTLCDestination, MessageSendEvent, MessageSendEventsProvider, PathFailure, PaymentFailureReason, PaymentPurpose};
-use crate::ln::channel::EXPIRE_PREV_CONFIG_TICKS;
+use crate::ln::channel::{EXPIRE_PREV_CONFIG_TICKS, commit_tx_fee_msat, get_holder_selected_channel_reserve_satoshis, ANCHOR_OUTPUT_VALUE_SATOSHI};
use crate::ln::channelmanager::{BREAKDOWN_TIMEOUT, MPP_TIMEOUT_TICKS, MIN_CLTV_EXPIRY_DELTA, PaymentId, PaymentSendFailure, RecentPaymentDetails, RecipientOnionFields, HTLCForwardInfo, PendingHTLCRouting, PendingAddHTLCInfo};
-use crate::ln::features::Bolt11InvoiceFeatures;
+use crate::ln::features::{Bolt11InvoiceFeatures, ChannelTypeFeatures};
use crate::ln::{msgs, ChannelId, PaymentSecret, PaymentPreimage};
use crate::ln::msgs::ChannelMessageHandler;
use crate::ln::outbound_payment::{IDEMPOTENCY_TIMEOUT_TICKS, Retry};
let amt_msat = 1_000_000;
let max_total_routing_fee_msat = 50_000;
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();
+ .with_bolt11_features(nodes[3].node.bolt11_invoice_features()).unwrap();
let (mut route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(
nodes[0], nodes[3], payment_params, amt_msat, Some(max_total_routing_fee_msat));
let path = route.paths[0].clone();
// Check the remaining max total routing fee for the second attempt is 50_000 - 1_000 msat fee
// used by the first path
route_params.max_total_routing_fee_msat = Some(max_total_routing_fee_msat - 1_000);
+ route.route_params = Some(route_params.clone());
nodes[0].router.expect_find_route(route_params, Ok(route));
nodes[0].node.process_pending_htlc_forwards();
check_added_monitors!(nodes[0], 1);
let max_total_routing_fee_msat = Some(1_000_000);
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();
+ .with_bolt11_features(nodes[3].node.bolt11_invoice_features()).unwrap();
let (mut route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(
nodes[0], nodes[3], payment_params, amt_msat, max_total_routing_fee_msat);
route.paths.remove(0);
route_params.final_value_msat -= first_path_value;
- route.route_params.as_mut().map(|p| p.final_value_msat -= first_path_value);
route_params.payment_params.previously_failed_channels.push(chan_4_update.contents.short_channel_id);
-
// Check the remaining max total routing fee for the second attempt accounts only for 1_000 msat
// base fee, but not for overpaid value of the first try.
route_params.max_total_routing_fee_msat.as_mut().map(|m| *m -= 1000);
+
+ route.route_params = Some(route_params.clone());
nodes[0].router.expect_find_route(route_params, Ok(route));
nodes[0].node.process_pending_htlc_forwards();
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] {
+ assert_eq!(as_err.len(), 2);
+ match as_err[1] {
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);
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);
+ assert_eq!(as_err.len(), 2);
let bs_commitment_tx;
- match as_err[0] {
+ match as_err[1] {
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);
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();
+ .with_bolt11_features(nodes[1].node.bolt11_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();
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 recv_value = 100_000;
+ let (route, payment_hash, _, _) = get_route_and_payment_hash!(&nodes[0], nodes[2], recv_value);
- let (payment_hash, payment_id) = nodes[0].node.send_probe(route.paths[0].clone()).unwrap();
+ let res = 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]);
+ let expected_route: &[&[&Node]] = &[&[&nodes[1], &nodes[2]]];
- // 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);
+ send_probe_along_route(&nodes[0], expected_route);
- // 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);
+ expect_probe_successful_events(&nodes[0], vec![res]);
- // 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());
}
assert!(!nodes[0].node.has_pending_payments());
}
+ #[test]
+ fn preflight_probes_yield_event_skip_private_hop() {
+ 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:
+ // N0 -(1M:0)- N1 -(1M:0)- N2 -(70k:0)- N3 -(50k:0)- N4
+
+ create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 0);
+ create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 1_000_000, 0);
+ create_announced_chan_between_nodes_with_value(&nodes, 2, 3, 70_000, 0);
+ create_unannounced_chan_between_nodes_with_value(&nodes, 3, 4, 50_000, 0);
+
+ let mut invoice_features = Bolt11InvoiceFeatures::empty();
+ invoice_features.set_basic_mpp_optional();
+
+ let payment_params = PaymentParameters::from_node_id(nodes[3].node.get_our_node_id(), TEST_FINAL_CLTV)
+ .with_bolt11_features(invoice_features).unwrap();
+
+ let recv_value = 50_000_000;
+ let route_params = RouteParameters::from_payment_params_and_value(payment_params, recv_value);
+ let res = nodes[0].node.send_preflight_probes(route_params, None).unwrap();
+
+ let expected_route: &[&[&Node]] = &[&[&nodes[1], &nodes[2], &nodes[3]]];
+
+ assert_eq!(res.len(), expected_route.len());
+
+ send_probe_along_route(&nodes[0], expected_route);
+
+ expect_probe_successful_events(&nodes[0], res.clone());
+
+ assert!(!nodes[0].node.has_pending_payments());
+ }
+
+ #[test]
+ fn preflight_probes_yield_event() {
+ let chanmon_cfgs = create_chanmon_cfgs(4);
+ let node_cfgs = create_node_cfgs(4, &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(4).map(|c| Some(c)).collect::<Vec<Option<UserConfig>>>();
+ let node_chanmgrs = create_node_chanmgrs(4, &node_cfgs, &user_configs);
+ let nodes = create_network(4, &node_cfgs, &node_chanmgrs);
+
+ // Setup channel topology:
+ // (1M:0)- N1 -(30k:0)
+ // / \
+ // N0 N4
+ // \ /
+ // (1M:0)- N2 -(70k:0)
+ //
+ create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 0);
+ create_announced_chan_between_nodes_with_value(&nodes, 0, 2, 1_000_000, 0);
+ create_announced_chan_between_nodes_with_value(&nodes, 1, 3, 30_000, 0);
+ create_announced_chan_between_nodes_with_value(&nodes, 2, 3, 70_000, 0);
+
+ let mut invoice_features = Bolt11InvoiceFeatures::empty();
+ invoice_features.set_basic_mpp_optional();
+
+ let payment_params = PaymentParameters::from_node_id(nodes[3].node.get_our_node_id(), TEST_FINAL_CLTV)
+ .with_bolt11_features(invoice_features).unwrap();
+
+ let recv_value = 50_000_000;
+ let route_params = RouteParameters::from_payment_params_and_value(payment_params, recv_value);
+ let res = nodes[0].node.send_preflight_probes(route_params, None).unwrap();
+
+ let expected_route: &[&[&Node]] = &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]];
+
+ assert_eq!(res.len(), expected_route.len());
+
+ send_probe_along_route(&nodes[0], expected_route);
+
+ expect_probe_successful_events(&nodes[0], res.clone());
+
+ assert!(!nodes[0].node.has_pending_payments());
+ }
+
#[test]
fn preflight_probes_yield_event_and_skip() {
let chanmon_cfgs = create_chanmon_cfgs(5);
// \ /
// (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, 0, 1, 100_000, 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);
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)
+ let 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 recv_value = 80_000_000;
+ let route_params = RouteParameters::from_payment_params_and_value(payment_params, recv_value);
let res = nodes[0].node.send_preflight_probes(route_params, None).unwrap();
+ let expected_route : &[&[&Node]] = &[&[&nodes[1], &nodes[2], &nodes[4]]];
+
// 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);
+ send_probe_along_route(&nodes[0], expected_route);
- // 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);
+ expect_probe_successful_events(&nodes[0], res.clone());
- 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());
}
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();
+ .with_bolt11_features(nodes[2].node.bolt11_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,
}
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();
+ .with_bolt11_features(nodes[2].node.bolt11_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),
let mut retry_params = RouteParameters::from_payment_params_and_value(pay_params, 100_000_000);
retry_params.max_total_routing_fee_msat = None;
- route.route_params.as_mut().unwrap().final_value_msat = 100_000_000;
+ route.route_params = Some(retry_params.clone());
nodes[0].router.expect_find_route(retry_params, Ok(route.clone()));
{
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)),
+ 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[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()));
+ let retry_params = RouteParameters::from_payment_params_and_value(pay_params, amt_msat);
+ route.route_params = Some(retry_params.clone());
+ 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();
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;
+ route.route_params = Some(retry_params.clone());
nodes[0].router.expect_find_route(retry_params, Ok(route.clone()));
nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
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;
- route.route_params.as_mut().unwrap().final_value_msat = amt_msat / 2;
+ route.route_params = Some(retry_params.clone());
nodes[0].router.expect_find_route(retry_params, Ok(route.clone()));
nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
// from here on out, the retry `RouteParameters` amount will be amt/1000
route_params.final_value_msat /= 1000;
- route.route_params.as_mut().unwrap().final_value_msat /= 1000;
+ route.route_params = Some(route_params.clone());
route.paths.pop();
let end_time = Instant::now() + Duration::from_secs(1);
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;
+ route.route_params = Some(new_route_params.clone());
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());
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 payment_params = PaymentParameters::from_node_id(nodes[3].node.get_our_node_id(), TEST_FINAL_CLTV)
+ .with_bolt11_features(nodes[1].node.bolt11_invoice_features()).unwrap();
+ let mut route_params = RouteParameters::from_payment_params_and_value(payment_params, 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
send_payment(&nodes[2], &vec!(&nodes[1])[..], 1_500_000);
let amt_msat = 1_000_000;
- let (route, payment_hash, payment_preimage, payment_secret) =
+ let (mut route, payment_hash, payment_preimage, payment_secret) =
get_route_and_payment_hash!(nodes[0], nodes[2], amt_msat);
// Initiate the payment
// Retry the payment and make sure it succeeds
route_params.payment_params.previously_failed_channels.push(chan_2_update.contents.short_channel_id);
+ route.route_params = Some(route_params.clone());
nodes[0].router.expect_find_route(route_params, Ok(route));
nodes[0].node.process_pending_htlc_forwards();
check_added_monitors!(nodes[0], 1);
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();
+ .with_bolt11_features(nodes[3].node.bolt11_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, _| {
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();
+ .with_bolt11_features(nodes[1].node.bolt11_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].
do_test_payment_metadata_consistency(false, true);
do_test_payment_metadata_consistency(false, false);
}
+
+#[test]
+fn test_htlc_forward_considers_anchor_outputs_value() {
+ // Tests that:
+ //
+ // 1) Forwarding nodes don't forward HTLCs that would cause their balance to dip below the
+ // reserve when considering the value of anchor outputs.
+ //
+ // 2) Recipients of `update_add_htlc` properly reject HTLCs that would cause the initiator's
+ // balance to dip below the reserve when considering the value of anchor outputs.
+ let mut config = test_default_channel_config();
+ config.channel_handshake_config.negotiate_anchors_zero_fee_htlc_tx = true;
+ config.manually_accept_inbound_channels = true;
+ config.channel_config.forwarding_fee_base_msat = 0;
+ config.channel_config.forwarding_fee_proportional_millionths = 0;
+
+ // Set up a test network of three nodes that replicates a production failure leading to the
+ // discovery of this bug.
+ 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, &[Some(config), Some(config), Some(config)]);
+ let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
+
+ const CHAN_AMT: u64 = 1_000_000;
+ const PUSH_MSAT: u64 = 900_000_000;
+ create_announced_chan_between_nodes_with_value(&nodes, 0, 1, CHAN_AMT, 500_000_000);
+ let (_, _, chan_id_2, _) = create_announced_chan_between_nodes_with_value(&nodes, 1, 2, CHAN_AMT, PUSH_MSAT);
+
+ let channel_reserve_msat = get_holder_selected_channel_reserve_satoshis(CHAN_AMT, &config) * 1000;
+ let commitment_fee_msat = commit_tx_fee_msat(
+ *nodes[1].fee_estimator.sat_per_kw.lock().unwrap(), 2, &ChannelTypeFeatures::anchors_zero_htlc_fee_and_dependencies()
+ );
+ let anchor_outpus_value_msat = ANCHOR_OUTPUT_VALUE_SATOSHI * 2 * 1000;
+ let sendable_balance_msat = CHAN_AMT * 1000 - PUSH_MSAT - channel_reserve_msat - commitment_fee_msat - anchor_outpus_value_msat;
+ let channel_details = nodes[1].node.list_channels().into_iter().find(|channel| channel.channel_id == chan_id_2).unwrap();
+ assert!(sendable_balance_msat >= channel_details.next_outbound_htlc_minimum_msat);
+ assert!(sendable_balance_msat <= channel_details.next_outbound_htlc_limit_msat);
+
+ send_payment(&nodes[0], &[&nodes[1], &nodes[2]], sendable_balance_msat);
+ send_payment(&nodes[2], &[&nodes[1], &nodes[0]], sendable_balance_msat);
+
+ // Send out an HTLC that would cause the forwarding node to dip below its reserve when
+ // considering the value of anchor outputs.
+ let (route, payment_hash, _, payment_secret) = get_route_and_payment_hash!(
+ nodes[0], nodes[2], sendable_balance_msat + anchor_outpus_value_msat
+ );
+ 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);
+
+ let mut events = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 1);
+ let mut update_add_htlc = if let MessageSendEvent::UpdateHTLCs { updates, .. } = events.pop().unwrap() {
+ nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &updates.update_add_htlcs[0]);
+ check_added_monitors(&nodes[1], 0);
+ commitment_signed_dance!(nodes[1], nodes[0], &updates.commitment_signed, false);
+ updates.update_add_htlcs[0].clone()
+ } else {
+ panic!("Unexpected event");
+ };
+
+ // The forwarding node should reject forwarding it as expected.
+ 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_id_2
+ }]);
+ check_added_monitors(&nodes[1], 1);
+
+ let mut events = nodes[1].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 1);
+ if let MessageSendEvent::UpdateHTLCs { updates, .. } = events.pop().unwrap() {
+ 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);
+ } else {
+ panic!("Unexpected event");
+ }
+
+ expect_payment_failed!(nodes[0], payment_hash, false);
+
+ // Assume that the forwarding node did forward it, and make sure the recipient rejects it as an
+ // invalid update and closes the channel.
+ update_add_htlc.channel_id = chan_id_2;
+ nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &update_add_htlc);
+ check_closed_event(&nodes[2], 1, ClosureReason::ProcessingError {
+ err: "Remote HTLC add would put them under remote reserve value".to_owned()
+ }, false, &[nodes[1].node.get_our_node_id()], 1_000_000);
+ check_closed_broadcast(&nodes[2], 1, true);
+ check_added_monitors(&nodes[2], 1);
+}
projects / rust-lightning / commitdiff