use bitcoin::secp256k1::{PublicKey, Secp256k1, SecretKey};
use crate::blinded_path::BlindedPath;
use crate::blinded_path::payment::{ForwardNode, ForwardTlvs, PaymentConstraints, PaymentRelay, ReceiveTlvs};
- use crate::events::{HTLCDestination, MessageSendEvent, MessageSendEventsProvider};
+ use crate::events::{Event, HTLCDestination, MessageSendEvent, MessageSendEventsProvider, PaymentFailureReason};
use crate::ln::PaymentSecret;
use crate::ln::channelmanager;
use crate::ln::channelmanager::{PaymentId, RecipientOnionFields};
use crate::ln::onion_utils;
use crate::ln::onion_utils::INVALID_ONION_BLINDING;
use crate::ln::outbound_payment::Retry;
+ use crate::offers::invoice::BlindedPayInfo;
use crate::prelude::*;
use crate::routing::router::{Payee, PaymentParameters, RouteParameters};
use crate::util::config::UserConfig;
use crate::util::test_utils;
- pub fn get_blinded_route_parameters(
-
amt_msat: u64, payment_secret: PaymentSecret, node_ids: Vec<PublicKey>,
+ fn blinded_payment_path(
+ payment_secret: PaymentSecret, node_ids: Vec<PublicKey>,
channel_upds: &[&msgs::UnsignedChannelUpdate], keys_manager: &test_utils::TestKeysInterface
- ) -> RouteParameters {
+ ) -> (BlindedPayInfo, BlindedPath) {
let mut intermediate_nodes = Vec::new();
for (node_id, chan_upd) in node_ids.iter().zip(channel_upds) {
intermediate_nodes.push(ForwardNode {
},
};
let mut secp_ctx = Secp256k1::new();
- let blinded_path = BlindedPath::new_for_payment(
+ BlindedPath::new_for_payment(
&intermediate_nodes[..], *node_ids.last().unwrap(), payee_tlvs,
channel_upds.last().unwrap().htlc_maximum_msat, keys_manager, &secp_ctx
- ).unwrap();
+ ).unwrap()
+ }
+ pub fn get_blinded_route_parameters(
+ amt_msat: u64, payment_secret: PaymentSecret, node_ids: Vec<PublicKey>,
+ channel_upds: &[&msgs::UnsignedChannelUpdate], keys_manager: &test_utils::TestKeysInterface
+ ) -> RouteParameters {
RouteParameters::from_payment_params_and_value(
- PaymentParameters::blinded(vec![blinded_path]), amt_msat
+ PaymentParameters::blinded(vec![
+ blinded_payment_path(payment_secret, node_ids, channel_upds, keys_manager)
+ ]), amt_msat
)
}
claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], payment_preimage);
}
+#[test]
+fn three_hop_blinded_path_success() {
+ let chanmon_cfgs = create_chanmon_cfgs(5);
+ let node_cfgs = create_node_cfgs(5, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(5, &node_cfgs, &[None, None, None, None, None]);
+ let mut nodes = create_network(5, &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, 1, 2, 1_000_000, 0);
+ let chan_upd_2_3 = create_announced_chan_between_nodes_with_value(&nodes, 2, 3, 1_000_000, 0).0.contents;
+ let chan_upd_3_4 = create_announced_chan_between_nodes_with_value(&nodes, 3, 4, 1_000_000, 0).0.contents;
+
+ let amt_msat = 5000;
+ let (payment_preimage, payment_hash, payment_secret) = get_payment_preimage_hash(&nodes[4], Some(amt_msat), None);
+ let route_params = get_blinded_route_parameters(amt_msat, payment_secret,
+ nodes.iter().skip(2).map(|n| n.node.get_our_node_id()).collect(),
+ &[&chan_upd_2_3, &chan_upd_3_4], &chanmon_cfgs[4].keys_manager);
+
+ nodes[0].node.send_payment(payment_hash, RecipientOnionFields::spontaneous_empty(), PaymentId(payment_hash.0), route_params, Retry::Attempts(0)).unwrap();
+ check_added_monitors(&nodes[0], 1);
+ pass_along_route(&nodes[0], &[&[&nodes[1], &nodes[2], &nodes[3], &nodes[4]]], amt_msat, payment_hash, payment_secret);
+ claim_payment(&nodes[0], &[&nodes[1], &nodes[2], &nodes[3], &nodes[4]], payment_preimage);
+}
+
#[derive(PartialEq)]
enum ReceiveCheckFail {
// The recipient fails the payment upon `PaymentClaimable`.
};
let amt_msat = 5000;
- let final_cltv_delta = if check == ReceiveCheckFail::ProcessPendingHTLCsCheck {
+ let excess_final_cltv_delta_opt = if check == ReceiveCheckFail::ProcessPendingHTLCsCheck {
// Set the final CLTV expiry too low to trigger the failure in process_pending_htlc_forwards.
Some(TEST_FINAL_CLTV as u16 - 2)
} else { None };
- let (_, payment_hash, payment_secret) = get_payment_preimage_hash(&nodes[2], Some(amt_msat), final_cltv_delta);
+ let (_, payment_hash, payment_secret) = get_payment_preimage_hash(&nodes[2], Some(amt_msat), excess_final_cltv_delta_opt);
let mut route_params = get_blinded_route_parameters(amt_msat, payment_secret,
nodes.iter().skip(1).map(|n| n.node.get_our_node_id()).collect(), &[&chan_upd_1_2],
&chanmon_cfgs[2].keys_manager);
let route = if check == ReceiveCheckFail::ProcessPendingHTLCsCheck {
let mut route = get_route(&nodes[0], &route_params).unwrap();
// Set the final CLTV expiry too low to trigger the failure in process_pending_htlc_forwards.
- route.paths[0].blinded_tail.as_mut().map(|bt| bt.excess_final_cltv_expiry_delta = TEST_FINAL_CLTV - 2);
+ route.paths[0].hops.last_mut().map(|h| h.cltv_expiry_delta += excess_final_cltv_delta_opt.unwrap() as u32);
+ route.paths[0].blinded_tail.as_mut().map(|bt| bt.excess_final_cltv_expiry_delta = excess_final_cltv_delta_opt.unwrap() as u32);
route
} else if check == ReceiveCheckFail::PaymentConstraints {
// Create a blinded path where the receiver's encrypted payload has an htlc_minimum_msat that is
commitment_signed_dance!(nodes[2], nodes[1], (), false, true, false, false);
},
ReceiveCheckFail::ProcessPendingHTLCsCheck => {
+ assert_eq!(payment_event_1_2.msgs[0].cltv_expiry, nodes[0].best_block_info().1 + 1 + excess_final_cltv_delta_opt.unwrap() as u32);
nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &payment_event_1_2.msgs[0]);
check_added_monitors!(nodes[2], 0);
do_commitment_signed_dance(&nodes[2], &nodes[1], &payment_event_1_2.commitment_msg, true, true);
expect_payment_failed_conditions(&nodes[0], payment_hash, false,
PaymentFailedConditions::new().expected_htlc_error_data(INVALID_ONION_BLINDING, &[0; 32]));
}
+
+ #[test]
+ fn blinded_path_retries() {
+ let chanmon_cfgs = create_chanmon_cfgs(4);
+ // Make one blinded path's fees slightly higher so they are tried in a deterministic order.
+ let mut higher_fee_chan_cfg = test_default_channel_config();
+ higher_fee_chan_cfg.channel_config.forwarding_fee_base_msat += 1;
+ let node_cfgs = create_node_cfgs(4, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(4, &node_cfgs, &[None, None, Some(higher_fee_chan_cfg), None]);
+ let mut nodes = create_network(4, &node_cfgs, &node_chanmgrs);
+
+ // Create this network topology so nodes[0] has a blinded route hint to retry over.
+ // n1
+ // / \
+ // n0 n3
+ // \ /
+ // n2
+ 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);
+ let chan_1_3 = create_announced_chan_between_nodes_with_value(&nodes, 1, 3, 1_000_000, 0);
+ let chan_2_3 = create_announced_chan_between_nodes_with_value(&nodes, 2, 3, 1_000_000, 0);
+
+ let amt_msat = 5000;
+ let (_, payment_hash, payment_secret) = get_payment_preimage_hash(&nodes[3], Some(amt_msat), None);
+ let route_params = {
+ let pay_params = PaymentParameters::blinded(
+ vec![
+ blinded_payment_path(payment_secret,
+ vec![nodes[1].node.get_our_node_id(), nodes[3].node.get_our_node_id()], &[&chan_1_3.0.contents],
+ &chanmon_cfgs[3].keys_manager
+ ),
+ blinded_payment_path(payment_secret,
+ vec![nodes[2].node.get_our_node_id(), nodes[3].node.get_our_node_id()], &[&chan_2_3.0.contents],
+ &chanmon_cfgs[3].keys_manager
+ ),
+ ]
+ )
+ .with_bolt12_features(channelmanager::provided_bolt12_invoice_features(&UserConfig::default()))
+ .unwrap();
+ RouteParameters::from_payment_params_and_value(pay_params, amt_msat)
+ };
+
+ nodes[0].node.send_payment(payment_hash, RecipientOnionFields::spontaneous_empty(), PaymentId(payment_hash.0), route_params.clone(), Retry::Attempts(2)).unwrap();
+ check_added_monitors(&nodes[0], 1);
+ pass_along_route(&nodes[0], &[&[&nodes[1], &nodes[3]]], amt_msat, payment_hash, payment_secret);
+
+ macro_rules! fail_payment_back {
+ ($intro_node: expr) => {
+ nodes[3].node.fail_htlc_backwards(&payment_hash);
+ 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 updates = get_htlc_update_msgs!(nodes[3], $intro_node.node.get_our_node_id());
+ assert_eq!(updates.update_fail_malformed_htlcs.len(), 1);
+ let update_malformed = &updates.update_fail_malformed_htlcs[0];
+ assert_eq!(update_malformed.sha256_of_onion, [0; 32]);
+ assert_eq!(update_malformed.failure_code, INVALID_ONION_BLINDING);
+ $intro_node.node.handle_update_fail_malformed_htlc(&nodes[3].node.get_our_node_id(), update_malformed);
+ do_commitment_signed_dance(&$intro_node, &nodes[3], &updates.commitment_signed, true, false);
+
+ let updates = get_htlc_update_msgs!($intro_node, nodes[0].node.get_our_node_id());
+ assert_eq!(updates.update_fail_htlcs.len(), 1);
+ nodes[0].node.handle_update_fail_htlc(&$intro_node.node.get_our_node_id(), &updates.update_fail_htlcs[0]);
+ do_commitment_signed_dance(&nodes[0], &$intro_node, &updates.commitment_signed, false, false);
+
+ 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();
+ }
+ }
+
+ fail_payment_back!(nodes[1]);
+
+ // Pass the retry along.
+ 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[2], &nodes[3]], amt_msat, payment_hash, Some(payment_secret), msg_events.pop().unwrap(), true, None);
+
+ fail_payment_back!(nodes[2]);
+ let evs = nodes[0].node.get_and_clear_pending_events();
+ assert_eq!(evs.len(), 1);
+ match evs[0] {
+ Event::PaymentFailed { payment_hash: ev_payment_hash, reason, .. } => {
+ assert_eq!(ev_payment_hash, payment_hash);
+ // We have 1 retry attempt remaining, but we're out of blinded paths to try.
+ assert_eq!(reason, Some(PaymentFailureReason::RouteNotFound));
+ },
+ _ => panic!()
+ }
+ }
use crate::routing::gossip::NetworkUpdate;
use crate::routing::router::{BlindedTail, Path, RouteHop};
use crate::sign::NodeSigner;
-use crate::util::chacha20::{ChaCha20, ChaChaReader};
+use crate::crypto::chacha20::ChaCha20;
+use crate::crypto::streams::ChaChaReader;
use crate::util::errors::{self, APIError};
use crate::util::ser::{Readable, ReadableArgs, Writeable, Writer, LengthCalculatingWriter};
use crate::util::logger::Logger;
for (i, blinded_hop) in hops.iter().enumerate() {
if i == hops.len() - 1 {
cur_value_msat += final_value_msat;
- cur_cltv += excess_final_cltv_expiry_delta;
res.push(msgs::OutboundOnionPayload::BlindedReceive {
- amt_msat: *final_value_msat,
+ sender_intended_htlc_amt_msat: *final_value_msat,
total_msat,
- outgoing_cltv_value: cltv,
+ cltv_expiry_height: cur_cltv + excess_final_cltv_expiry_delta,
encrypted_tlvs: blinded_hop.encrypted_payload.clone(),
intro_node_blinding_point: blinding_point.take(),
});
payment_metadata: recipient_onion.payment_metadata.take(),
keysend_preimage: *keysend_preimage,
custom_tlvs: recipient_onion.custom_tlvs.clone(),
- amt_msat: value_msat,
- outgoing_cltv_value: cltv,
+ sender_intended_htlc_amt_msat: value_msat,
+ cltv_expiry_height: cltv,
});
}
} else {
pub(crate) network_update: Option<NetworkUpdate>,
pub(crate) short_channel_id: Option<u64>,
pub(crate) payment_failed_permanently: bool,
+ pub(crate) failed_within_blinded_path: bool,
#[cfg(test)]
pub(crate) onion_error_code: Option<u16>,
#[cfg(test)]
network_update: Option<NetworkUpdate>,
short_channel_id: Option<u64>,
payment_failed_permanently: bool,
+ failed_within_blinded_path: bool,
}
let mut res: Option<FailureLearnings> = None;
let mut htlc_msat = *first_hop_htlc_msat;
error_code_ret = Some(BADONION | PERM | 24); // invalid_onion_blinding
error_packet_ret = Some(vec![0; 32]);
res = Some(FailureLearnings {
- network_update: None, short_channel_id: None, payment_failed_permanently: false
+ network_update: None, short_channel_id: None, payment_failed_permanently: false,
+ failed_within_blinded_path: true,
});
return
},
}
res = Some(FailureLearnings {
- network_update: None, short_channel_id: None, payment_failed_permanently: false
+ network_update: None, short_channel_id: None, payment_failed_permanently: false,
+ failed_within_blinded_path: true,
});
return
}
});
let short_channel_id = Some(route_hop.short_channel_id);
res = Some(FailureLearnings {
- network_update, short_channel_id, payment_failed_permanently: is_from_final_node
+ network_update, short_channel_id, payment_failed_permanently: is_from_final_node,
+ failed_within_blinded_path: false
});
return
}
res = Some(FailureLearnings {
network_update, short_channel_id,
- payment_failed_permanently: error_code & PERM == PERM && is_from_final_node
+ payment_failed_permanently: error_code & PERM == PERM && is_from_final_node,
+ failed_within_blinded_path: false
});
let (description, title) = errors::get_onion_error_description(error_code);
}
}).expect("Route that we sent via spontaneously grew invalid keys in the middle of it?");
if let Some(FailureLearnings {
- network_update, short_channel_id, payment_failed_permanently
+ network_update, short_channel_id, payment_failed_permanently, failed_within_blinded_path
}) = res {
DecodedOnionFailure {
- network_update, short_channel_id, payment_failed_permanently,
+ network_update, short_channel_id, payment_failed_permanently, failed_within_blinded_path,
#[cfg(test)]
onion_error_code: error_code_ret,
#[cfg(test)]
// payment not retryable only when garbage is from the final node
DecodedOnionFailure {
network_update: None, short_channel_id: None, payment_failed_permanently: is_from_final_node,
+ failed_within_blinded_path: false,
#[cfg(test)]
onion_error_code: None,
#[cfg(test)]
network_update: None,
payment_failed_permanently: false,
short_channel_id: Some(path.hops[0].short_channel_id),
+ failed_within_blinded_path: false,
#[cfg(test)]
onion_error_code: Some(*failure_code),
#[cfg(test)]
use crate::ln::features::{BlindedHopFeatures, Bolt11InvoiceFeatures, Bolt12InvoiceFeatures, ChannelFeatures, NodeFeatures};
use crate::ln::msgs::{DecodeError, ErrorAction, LightningError, MAX_VALUE_MSAT};
use crate::offers::invoice::{BlindedPayInfo, Bolt12Invoice};
-use crate::onion_message::{DefaultMessageRouter, Destination, MessageRouter, OnionMessagePath};
+use crate::onion_message::messenger::{DefaultMessageRouter, Destination, MessageRouter, OnionMessagePath};
use crate::routing::gossip::{DirectedChannelInfo, EffectiveCapacity, ReadOnlyNetworkGraph, NetworkGraph, NodeId, RoutingFees};
use crate::routing::scoring::{ChannelUsage, LockableScore, ScoreLookUp};
use crate::sign::EntropySource;
use crate::util::ser::{Writeable, Readable, ReadableArgs, Writer};
use crate::util::logger::{Level, Logger};
-use crate::util::chacha20::ChaCha20;
+use crate::crypto::chacha20::ChaCha20;
use crate::io;
use crate::prelude::*;
None => return None,
};
let payment_relay: PaymentRelay = match details.counterparty.forwarding_info {
- Some(forwarding_info) => forwarding_info.into(),
+ Some(forwarding_info) => match forwarding_info.try_into() {
+ Ok(payment_relay) => payment_relay,
+ Err(()) => return None,
+ },
None => return None,
};
- // Avoid exposing esoteric CLTV expiry deltas
- let cltv_expiry_delta = match payment_relay.cltv_expiry_delta {
- 0..=40 => 40u32,
- 41..=80 => 80u32,
- 81..=144 => 144u32,
- 145..=216 => 216u32,
- _ => return None,
- };
-
+ let cltv_expiry_delta = payment_relay.cltv_expiry_delta as u32;
let payment_constraints = PaymentConstraints {
max_cltv_expiry: tlvs.payment_constraints.max_cltv_expiry + cltv_expiry_delta,
htlc_minimum_msat: details.inbound_htlc_minimum_msat.unwrap_or(0),
/// payment to fail. Future attempts for the same payment shouldn't be relayed through any of
/// these SCIDs.
pub previously_failed_channels: Vec<u64>,
+
+ /// A list of indices corresponding to blinded paths in [`Payee::Blinded::route_hints`] which this
+ /// payment was previously attempted over and which caused the payment to fail. Future attempts
+ /// for the same payment shouldn't be relayed through any of these blinded paths.
+ pub previously_failed_blinded_path_idxs: Vec<u64>,
}
impl Writeable for PaymentParameters {
(7, self.previously_failed_channels, required_vec),
(8, *blinded_hints, optional_vec),
(9, self.payee.final_cltv_expiry_delta(), option),
+ (11, self.previously_failed_blinded_path_idxs, required_vec),
});
Ok(())
}
(7, previously_failed_channels, optional_vec),
(8, blinded_route_hints, optional_vec),
(9, final_cltv_expiry_delta, (default_value, default_final_cltv_expiry_delta)),
+ (11, previously_failed_blinded_path_idxs, optional_vec),
});
let blinded_route_hints = blinded_route_hints.unwrap_or(vec![]);
let payee = if blinded_route_hints.len() != 0 {
max_channel_saturation_power_of_half: _init_tlv_based_struct_field!(max_channel_saturation_power_of_half, (default_value, unused)),
expiry_time,
previously_failed_channels: previously_failed_channels.unwrap_or(Vec::new()),
+ previously_failed_blinded_path_idxs: previously_failed_blinded_path_idxs.unwrap_or(Vec::new()),
})
}
}
max_path_count: DEFAULT_MAX_PATH_COUNT,
max_channel_saturation_power_of_half: DEFAULT_MAX_CHANNEL_SATURATION_POW_HALF,
previously_failed_channels: Vec::new(),
+ previously_failed_blinded_path_idxs: Vec::new(),
}
}
max_path_count: DEFAULT_MAX_PATH_COUNT,
max_channel_saturation_power_of_half: DEFAULT_MAX_CHANNEL_SATURATION_POW_HALF,
previously_failed_channels: Vec::new(),
+ previously_failed_blinded_path_idxs: Vec::new(),
}
}
pub fn with_max_channel_saturation_power_of_half(self, max_channel_saturation_power_of_half: u8) -> Self {
Self { max_channel_saturation_power_of_half, ..self }
}
+
+ pub(crate) fn insert_previously_failed_blinded_path(&mut self, failed_blinded_tail: &BlindedTail) {
+ let mut found_blinded_tail = false;
+ for (idx, (_, path)) in self.payee.blinded_route_hints().iter().enumerate() {
+ if failed_blinded_tail.hops == path.blinded_hops &&
+ failed_blinded_tail.blinding_point == path.blinding_point
+ {
+ self.previously_failed_blinded_path_idxs.push(idx as u64);
+ found_blinded_tail = true;
+ }
+ }
+ debug_assert!(found_blinded_tail);
+ }
}
/// The recipient of a payment, differing based on whether they've hidden their identity with route
_ => None,
}
}
+ fn blinded_hint_idx(&self) -> Option<usize> {
+ match self {
+ Self::Blinded(BlindedPathCandidate { hint_idx, .. }) |
+ Self::OneHopBlinded(OneHopBlindedPathCandidate { hint_idx, .. }) => {
+ Some(*hint_idx)
+ },
+ _ => None,
+ }
+ }
/// Returns the source node id of current hop.
///
/// Source node id refers to the node forwarding the HTLC through this hop.
(amount_to_transfer_over_msat < $next_hops_path_htlc_minimum_msat &&
recommended_value_msat >= $next_hops_path_htlc_minimum_msat));
- let payment_failed_on_this_channel = scid_opt.map_or(false,
- |scid| payment_params.previously_failed_channels.contains(&scid));
+ let payment_failed_on_this_channel = match scid_opt {
+ Some(scid) => payment_params.previously_failed_channels.contains(&scid),
+ None => match $candidate.blinded_hint_idx() {
+ Some(idx) => {
+ payment_params.previously_failed_blinded_path_idxs.contains(&(idx as u64))
+ },
+ None => false,
+ },
+ };
let (should_log_candidate, first_hop_details) = match $candidate {
CandidateRouteHop::FirstHop(hop) => (true, Some(hop.details)),
}
}
- // Means we succesfully traversed from the payer to the payee, now
+ // Means we successfully traversed from the payer to the payee, now
// save this path for the payment route. Also, update the liquidity
// remaining on the used hops, so that we take them into account
// while looking for more paths.
use crate::offers::invoice::BlindedPayInfo;
use crate::util::config::UserConfig;
use crate::util::test_utils as ln_test_utils;
- use crate::util::chacha20::ChaCha20;
+ use crate::crypto::chacha20::ChaCha20;
use crate::util::ser::{Readable, Writeable};
#[cfg(c_bindings)]
use crate::util::ser::Writer;
fn do_min_htlc_overpay_violates_max_htlc(blinded_payee: bool) {
// Test that if overpaying to meet a later hop's min_htlc and causes us to violate an earlier
// hop's max_htlc, we don't consider that candidate hop valid. Previously we would add this hop
- // to `targets` and build an invalid path with it, and subsquently hit a debug panic asserting
+ // to `targets` and build an invalid path with it, and subsequently hit a debug panic asserting
// that the used liquidity for a hop was less than its available liquidity limit.
let secp_ctx = Secp256k1::new();
let logger = Arc::new(ln_test_utils::TestLogger::new());
}
break;
}
- // If we couldn't find a path with a higer amount, reduce and try again.
+ // If we couldn't find a path with a higher amount, reduce and try again.
score_amt /= 100;
}
projects / rust-lightning / commitdiff