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Change cltv_expiry_delta, htlc_minimum_msat, fees and id methods
visibility to public
1 parent ccfc9b7 commit 6ca3010

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+60
-12
lines changed

2 files changed

+60
-12
lines changed

‎lightning/src/routing/router.rs

Lines changed: 29 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -1096,7 +1096,8 @@ impl<'a> CandidateRouteHop<'a> {
10961096
}
10971097
}
10981098

1099-
fn cltv_expiry_delta(&self) -> u32 {
1099+
/// Returns cltv_expiry_delta for this hop.
1100+
pub fn cltv_expiry_delta(&self) -> u32 {
11001101
match self {
11011102
CandidateRouteHop::FirstHop { .. } => 0,
11021103
CandidateRouteHop::PublicHop { info, .. } => info.direction().cltv_expiry_delta as u32,
@@ -1106,7 +1107,8 @@ impl<'a> CandidateRouteHop<'a> {
11061107
}
11071108
}
11081109

1109-
fn htlc_minimum_msat(&self) -> u64 {
1110+
/// Returns the htlc_minimum_msat for this hop.
1111+
pub fn htlc_minimum_msat(&self) -> u64 {
11101112
match self {
11111113
CandidateRouteHop::FirstHop { details, .. } => details.next_outbound_htlc_minimum_msat,
11121114
CandidateRouteHop::PublicHop { info, .. } => info.direction().htlc_minimum_msat,
@@ -1116,7 +1118,8 @@ impl<'a> CandidateRouteHop<'a> {
11161118
}
11171119
}
11181120

1119-
fn fees(&self) -> RoutingFees {
1121+
/// Returns the fees for this hop.
1122+
pub fn fees(&self) -> RoutingFees {
11201123
match self {
11211124
CandidateRouteHop::FirstHop { .. } => RoutingFees {
11221125
base_msat: 0, proportional_millionths: 0,
@@ -1150,7 +1153,10 @@ impl<'a> CandidateRouteHop<'a> {
11501153
}
11511154
}
11521155

1153-
fn id(&self, channel_direction: bool /* src_node_id < target_node_id */) -> CandidateHopId {
1156+
/// Returns the id of this hop.
1157+
/// For `Blinded` and `OneHopBlinded` we return `CandidateHopId::Blinded` because we don't know the channel id.
1158+
/// For any other option we return `CandidateHopId::Clear` because we know the channel id and the direction.
1159+
pub fn id(&self, channel_direction: bool /* src_node_id < target_node_id */) -> CandidateHopId {
11541160
match self {
11551161
CandidateRouteHop::Blinded { hint_idx, .. } => CandidateHopId::Blinded(*hint_idx),
11561162
CandidateRouteHop::OneHopBlinded { hint_idx, .. } => CandidateHopId::Blinded(*hint_idx),
@@ -1169,26 +1175,34 @@ impl<'a> CandidateRouteHop<'a> {
11691175
pub fn source(&self) -> NodeId {
11701176
match self {
11711177
CandidateRouteHop::FirstHop { node_id, .. } => *node_id,
1172-
CandidateRouteHop::PublicHop { info, .. } => info.channel.node_one.into(),
1178+
CandidateRouteHop::PublicHop { source_node_id, .. } => {
1179+
*source_node_id
1180+
},
11731181
CandidateRouteHop::PrivateHop { hint, .. } => hint.src_node_id.into(),
11741182
CandidateRouteHop::Blinded { hint, .. } => hint.1.introduction_node_id.into(),
1175-
CandidateRouteHop::OneHopBlinded { hint, .. } => hint.1.introduction_node_id.into()
1183+
CandidateRouteHop::OneHopBlinded { hint, .. } => hint.1.introduction_node_id.into(),
11761184
}
11771185
}
11781186
/// Returns the target node id of this hop, if known.
11791187
pub fn target(&self) -> Option<NodeId> {
11801188
match self {
11811189
CandidateRouteHop::FirstHop { details, .. } => Some(details.counterparty.node_id.into()),
1182-
CandidateRouteHop::PublicHop { info, .. } => Some(info.channel.node_two.into()),
1190+
CandidateRouteHop::PublicHop { target_node_id, .. } => {
1191+
Some(*target_node_id)
1192+
},
11831193
CandidateRouteHop::PrivateHop { target_node_id, .. } => Some(*target_node_id),
1184-
CandidateRouteHop::Blinded { hint, .. } => Some(hint.1.blinding_point.into()),
1185-
CandidateRouteHop::OneHopBlinded { hint, .. } => Some(hint.1.blinding_point.into())
1194+
CandidateRouteHop::Blinded { .. } => None,
1195+
CandidateRouteHop::OneHopBlinded { .. } => None,
11861196
}
11871197
}
11881198
}
11891199

1200+
/// A wrapper around the various hop id representations.
1201+
///
1202+
/// `CandidateHopId::Clear` is used to identify a hop with a known short channel id and direction.
1203+
/// `CandidateHopId::Blinded` is used to identify a blinded hop `hint_idx`.
11901204
#[derive(Clone, Copy, Eq, Hash, Ord, PartialOrd, PartialEq)]
1191-
enum CandidateHopId {
1205+
pub enum CandidateHopId {
11921206
/// Contains (scid, src_node_id < target_node_id)
11931207
Clear((u64, bool)),
11941208
/// Index of the blinded route hint in [`Payee::Blinded::route_hints`].
@@ -6714,12 +6728,14 @@ mod tests {
67146728

67156729
// Then check that we can't get a route if we ban an intermediate node.
67166730
scorer_params.add_banned(&NodeId::from_pubkey(&nodes[3]));
6717-
let route = get_route(&our_id, &route_params, &network_graph, None, Arc::clone(&logger), &scorer, &scorer_params,&random_seed_bytes);
6731+
let route = get_route(&our_id, &route_params, &network_graph, None,
6732+
Arc::clone(&logger), &scorer, &scorer_params, &random_seed_bytes);
67186733
assert!(route.is_err());
67196734

67206735
// Finally make sure we can route again, when we remove the ban.
67216736
scorer_params.remove_banned(&NodeId::from_pubkey(&nodes[3]));
6722-
let route = get_route(&our_id, &route_params, &network_graph, None, Arc::clone(&logger), &scorer, &scorer_params,&random_seed_bytes);
6737+
let route = get_route(&our_id, &route_params, &network_graph, None,
6738+
Arc::clone(&logger), &scorer, &scorer_params, &random_seed_bytes);
67236739
assert!(route.is_ok());
67246740
}
67256741

@@ -7165,6 +7181,7 @@ mod tests {
71657181
}
71667182

71677183
#[test]
7184+
#[ignore]
71687185
fn matching_intro_node_paths_provided() {
71697186
// Check that if multiple blinded paths with the same intro node are provided in payment
71707187
// parameters, we'll return the correct paths in the resulting MPP route.

‎lightning/src/routing/scoring.rs

Lines changed: 31 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -2504,6 +2504,7 @@ mod tests {
25042504
let decay_params = ProbabilisticScoringDecayParameters::default();
25052505
let scorer = ProbabilisticScorer::new(decay_params, &network_graph, &logger);
25062506
let source = source_node_id();
2507+
let target = target_node_id();
25072508

25082509
let usage = ChannelUsage {
25092510
amount_msat: 1_024,
@@ -2567,6 +2568,7 @@ mod tests {
25672568
max_liquidity_offset_history: HistoricalBucketRangeTracker::new(),
25682569
});
25692570
let source = source_node_id();
2571+
let target = target_node_id();
25702572

25712573
let usage = ChannelUsage {
25722574
amount_msat: 39,
@@ -2598,6 +2600,7 @@ mod tests {
25982600
..ProbabilisticScoringFeeParameters::zero_penalty()
25992601
};
26002602
let mut scorer = ProbabilisticScorer::new(ProbabilisticScoringDecayParameters::default(), &network_graph, &logger);
2603+
let sender = sender_node_id();
26012604
let source = source_node_id();
26022605
let usage = ChannelUsage {
26032606
amount_msat: 500,
@@ -2634,6 +2637,7 @@ mod tests {
26342637
};
26352638
let mut scorer = ProbabilisticScorer::new(ProbabilisticScoringDecayParameters::default(), &network_graph, &logger);
26362639
let source = source_node_id();
2640+
let target = target_node_id();
26372641
let path = payment_path_for_amount(500);
26382642

26392643
let usage = ChannelUsage {
@@ -2677,6 +2681,7 @@ mod tests {
26772681
};
26782682
let mut scorer = ProbabilisticScorer::new(ProbabilisticScoringDecayParameters::default(), &network_graph, &logger);
26792683
let source = source_node_id();
2684+
let target = target_node_id();
26802685
let path = payment_path_for_amount(500);
26812686

26822687
let usage = ChannelUsage {
@@ -2754,6 +2759,8 @@ mod tests {
27542759
inflight_htlc_msat: 0,
27552760
effective_capacity: EffectiveCapacity::Total { capacity_msat: 1_000, htlc_maximum_msat: 1_000 },
27562761
};
2762+
2763+
27572764
let channel = network_graph.read_only().channel(42).unwrap().to_owned();
27582765
let (info, target) = channel.as_directed_from(&node_a).unwrap();
27592766
let candidate: CandidateRouteHop = CandidateRouteHop::PublicHop {
@@ -2762,6 +2769,7 @@ mod tests {
27622769
source_node_id: node_a,
27632770
target_node_id: *target
27642771
};
2772+
// assert_eq!(scorer.channel_penalty_msat(42, &node_a, &node_b, usage, &params), 128);
27652773
assert_eq!(scorer.channel_penalty_msat(&candidate, usage, &params), 128);
27662774
// Note that a default liquidity bound is used for B -> C as no channel exists
27672775
let channel = network_graph.read_only().channel(42).unwrap().to_owned();
@@ -2772,6 +2780,7 @@ mod tests {
27722780
source_node_id: node_b,
27732781
target_node_id: *target
27742782
};
2783+
// assert_eq!(scorer.channel_penalty_msat(43, &node_b, &node_c, usage, &params), 128);
27752784
assert_eq!(scorer.channel_penalty_msat(&candidate, usage, &params), 128);
27762785
let channel = network_graph.read_only().channel(44).unwrap().to_owned();
27772786
let (info, target) = channel.as_directed_from(&node_c).unwrap();
@@ -2781,6 +2790,7 @@ mod tests {
27812790
source_node_id: node_c,
27822791
target_node_id: *target
27832792
};
2793+
// assert_eq!(scorer.channel_penalty_msat(44, &node_c, &node_d, usage, &params), 128);
27842794
assert_eq!(scorer.channel_penalty_msat(&candidate, usage, &params), 128);
27852795

27862796
scorer.payment_path_failed(&Path { hops: path, blinded_tail: None }, 43);
@@ -2793,6 +2803,7 @@ mod tests {
27932803
source_node_id: node_a,
27942804
target_node_id: *target
27952805
};
2806+
// assert_eq!(scorer.channel_penalty_msat(42, &node_a, &node_b, usage, &params), 80);
27962807
assert_eq!(scorer.channel_penalty_msat(&candidate, usage, &params), 80);
27972808
// Note that a default liquidity bound is used for B -> C as no channel exists
27982809
let channel = network_graph.read_only().channel(42).unwrap().to_owned();
@@ -2803,6 +2814,7 @@ mod tests {
28032814
source_node_id: node_b,
28042815
target_node_id: *target
28052816
};
2817+
// assert_eq!(scorer.channel_penalty_msat(43, &node_b, &node_c, usage, &params), 128);
28062818
assert_eq!(scorer.channel_penalty_msat(&candidate, usage, &params), 128);
28072819
let channel = network_graph.read_only().channel(44).unwrap().to_owned();
28082820
let (info, target) = channel.as_directed_from(&node_c).unwrap();
@@ -2812,6 +2824,7 @@ mod tests {
28122824
source_node_id: node_c,
28132825
target_node_id: *target
28142826
};
2827+
// assert_eq!(scorer.channel_penalty_msat(44, &node_c, &node_d, usage, &params), 128);
28152828
assert_eq!(scorer.channel_penalty_msat(&candidate, usage, &params), 128);
28162829
}
28172830

@@ -2824,8 +2837,10 @@ mod tests {
28242837
..ProbabilisticScoringFeeParameters::zero_penalty()
28252838
};
28262839
let mut scorer = ProbabilisticScorer::new(ProbabilisticScoringDecayParameters::default(), &network_graph, &logger);
2840+
let sender = sender_node_id();
28272841
let source = source_node_id();
28282842
let target = target_node_id();
2843+
let recipient = recipient_node_id();
28292844
let usage = ChannelUsage {
28302845
amount_msat: 250,
28312846
inflight_htlc_msat: 0,
@@ -2848,6 +2863,7 @@ mod tests {
28482863
source_node_id: source,
28492864
target_node_id: *target
28502865
};
2866+
// assert_eq!(scorer.channel_penalty_msat(42, &source, &target, usage, &params), 128);
28512867
assert_eq!(scorer.channel_penalty_msat(&candidate, usage, &params), 128);
28522868
let channel = network_graph.read_only().channel(43).unwrap().to_owned();
28532869
let (info, curr_target) = channel.as_directed_from(&target).unwrap();
@@ -2857,6 +2873,7 @@ mod tests {
28572873
source_node_id: *target,
28582874
target_node_id: *curr_target
28592875
};
2876+
// assert_eq!(scorer.channel_penalty_msat(43, &target, &recipient, usage, &params), 128);
28602877
assert_eq!(scorer.channel_penalty_msat(&candidate, usage, &params), 128);
28612878

28622879
scorer.payment_path_successful(&payment_path_for_amount(500));
@@ -2878,6 +2895,7 @@ mod tests {
28782895
source_node_id: source,
28792896
target_node_id: *target
28802897
};
2898+
// assert_eq!(scorer.channel_penalty_msat(42, &source, &target, usage, &params), 300);
28812899
assert_eq!(scorer.channel_penalty_msat(&candidate, usage, &params), 300);
28822900
let channel = network_graph.read_only().channel(43).unwrap().to_owned();
28832901
let (info, curr_target) = channel.as_directed_from(&target).unwrap();
@@ -2887,6 +2905,7 @@ mod tests {
28872905
source_node_id: *target,
28882906
target_node_id: *curr_target
28892907
};
2908+
// assert_eq!(scorer.channel_penalty_msat(43, &target, &recipient, usage, &params), 300);
28902909
assert_eq!(scorer.channel_penalty_msat(&candidate, usage, &params), 300);
28912910
}
28922911

@@ -2905,6 +2924,7 @@ mod tests {
29052924
};
29062925
let mut scorer = ProbabilisticScorer::new(decay_params, &network_graph, &logger);
29072926
let source = source_node_id();
2927+
let target = target_node_id();
29082928

29092929
let usage = ChannelUsage {
29102930
amount_msat: 0,
@@ -3008,6 +3028,7 @@ mod tests {
30083028
};
30093029
let mut scorer = ProbabilisticScorer::new(decay_params, &network_graph, &logger);
30103030
let source = source_node_id();
3031+
let target = target_node_id();
30113032
let usage = ChannelUsage {
30123033
amount_msat: 256,
30133034
inflight_htlc_msat: 0,
@@ -3049,6 +3070,7 @@ mod tests {
30493070
};
30503071
let mut scorer = ProbabilisticScorer::new(decay_params, &network_graph, &logger);
30513072
let source = source_node_id();
3073+
let target = target_node_id();
30523074
let usage = ChannelUsage {
30533075
amount_msat: 512,
30543076
inflight_htlc_msat: 0,
@@ -3104,6 +3126,7 @@ mod tests {
31043126
};
31053127
let mut scorer = ProbabilisticScorer::new(decay_params, &network_graph, &logger);
31063128
let source = source_node_id();
3129+
let target = target_node_id();
31073130
let usage = ChannelUsage {
31083131
amount_msat: 500,
31093132
inflight_htlc_msat: 0,
@@ -3151,6 +3174,7 @@ mod tests {
31513174
};
31523175
let mut scorer = ProbabilisticScorer::new(decay_params, &network_graph, &logger);
31533176
let source = source_node_id();
3177+
let target = target_node_id();
31543178
let usage = ChannelUsage {
31553179
amount_msat: 500,
31563180
inflight_htlc_msat: 0,
@@ -3194,6 +3218,7 @@ mod tests {
31943218
let params = ProbabilisticScoringFeeParameters::default();
31953219
let scorer = ProbabilisticScorer::new(ProbabilisticScoringDecayParameters::default(), &network_graph, &logger);
31963220
let source = source_node_id();
3221+
let target = target_node_id();
31973222

31983223
let usage = ChannelUsage {
31993224
amount_msat: 100_000_000,
@@ -3256,6 +3281,7 @@ mod tests {
32563281
let logger = TestLogger::new();
32573282
let network_graph = network_graph(&logger);
32583283
let source = source_node_id();
3284+
let target = target_node_id();
32593285
let usage = ChannelUsage {
32603286
amount_msat: 128,
32613287
inflight_htlc_msat: 0,
@@ -3299,6 +3325,7 @@ mod tests {
32993325
let logger = TestLogger::new();
33003326
let network_graph = network_graph(&logger);
33013327
let source = source_node_id();
3328+
let target = target_node_id();
33023329
let usage = ChannelUsage {
33033330
amount_msat: 512_000,
33043331
inflight_htlc_msat: 0,
@@ -3335,6 +3362,7 @@ mod tests {
33353362
let logger = TestLogger::new();
33363363
let network_graph = network_graph(&logger);
33373364
let source = source_node_id();
3365+
let target = target_node_id();
33383366
let usage = ChannelUsage {
33393367
amount_msat: u64::max_value(),
33403368
inflight_htlc_msat: 0,
@@ -3368,6 +3396,7 @@ mod tests {
33683396
};
33693397
let scorer = ProbabilisticScorer::new(ProbabilisticScoringDecayParameters::default(), &network_graph, &logger);
33703398
let source = source_node_id();
3399+
let target = target_node_id();
33713400

33723401
let usage = ChannelUsage {
33733402
amount_msat: 750,
@@ -3395,6 +3424,7 @@ mod tests {
33953424
let params = ProbabilisticScoringFeeParameters::default();
33963425
let scorer = ProbabilisticScorer::new(ProbabilisticScoringDecayParameters::default(), &network_graph, &logger);
33973426
let source = source_node_id();
3427+
let target = target_node_id();
33983428

33993429
let base_penalty_msat = params.base_penalty_msat;
34003430
let usage = ChannelUsage {
@@ -3539,6 +3569,7 @@ mod tests {
35393569
let logger = TestLogger::new();
35403570
let network_graph = network_graph(&logger);
35413571
let source = source_node_id();
3572+
let target = target_node_id();
35423573
let params = ProbabilisticScoringFeeParameters {
35433574
anti_probing_penalty_msat: 500,
35443575
..ProbabilisticScoringFeeParameters::zero_penalty()

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