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Change cltv_expiry_delta, htlc_minimum_msat, fees and id methods
visibility to public
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2 files changed

+67
-15
lines changed

2 files changed

+67
-15
lines changed

‎lightning/src/routing/router.rs

Lines changed: 36 additions & 15 deletions
Original file line numberDiff line numberDiff line change
@@ -1052,6 +1052,8 @@ pub enum CandidateRouteHop<'a> {
10521052
/// Provided to uniquely identify a hop as we are
10531053
/// route building.
10541054
hint_idx: usize,
1055+
/// The node id of the payer.
1056+
source_node_id: NodeId,
10551057
},
10561058
/// Similar to [`Self::Blinded`], but the path here has 1 blinded hop. `BlindedPayInfo` provided
10571059
/// for 1-hop blinded paths is ignored because it is meant to apply to the hops *between* the
@@ -1067,6 +1069,8 @@ pub enum CandidateRouteHop<'a> {
10671069
/// Provided to uniquely identify a hop as we are
10681070
/// route building.
10691071
hint_idx: usize,
1072+
/// The node id of the payer.
1073+
source_node_id: NodeId,
10701074
},
10711075
}
10721076

@@ -1096,7 +1100,8 @@ impl<'a> CandidateRouteHop<'a> {
10961100
}
10971101
}
10981102

1099-
fn cltv_expiry_delta(&self) -> u32 {
1103+
/// Returns cltv_expiry_delta for this hop.
1104+
pub fn cltv_expiry_delta(&self) -> u32 {
11001105
match self {
11011106
CandidateRouteHop::FirstHop { .. } => 0,
11021107
CandidateRouteHop::PublicHop { info, .. } => info.direction().cltv_expiry_delta as u32,
@@ -1106,7 +1111,8 @@ impl<'a> CandidateRouteHop<'a> {
11061111
}
11071112
}
11081113

1109-
fn htlc_minimum_msat(&self) -> u64 {
1114+
/// Returns the htlc_minimum_msat for this hop.
1115+
pub fn htlc_minimum_msat(&self) -> u64 {
11101116
match self {
11111117
CandidateRouteHop::FirstHop { details, .. } => details.next_outbound_htlc_minimum_msat,
11121118
CandidateRouteHop::PublicHop { info, .. } => info.direction().htlc_minimum_msat,
@@ -1116,7 +1122,8 @@ impl<'a> CandidateRouteHop<'a> {
11161122
}
11171123
}
11181124

1119-
fn fees(&self) -> RoutingFees {
1125+
/// Returns the fees for this hop.
1126+
pub fn fees(&self) -> RoutingFees {
11201127
match self {
11211128
CandidateRouteHop::FirstHop { .. } => RoutingFees {
11221129
base_msat: 0, proportional_millionths: 0,
@@ -1150,7 +1157,10 @@ impl<'a> CandidateRouteHop<'a> {
11501157
}
11511158
}
11521159

1153-
fn id(&self, channel_direction: bool /* src_node_id < target_node_id */) -> CandidateHopId {
1160+
/// Returns the id of this hop.
1161+
/// For `Blinded` and `OneHopBlinded` we return `CandidateHopId::Blinded` because we don't know the channel id.
1162+
/// For any other option we return `CandidateHopId::Clear` because we know the channel id and the direction.
1163+
pub fn id(&self, channel_direction: bool /* src_node_id < target_node_id */) -> CandidateHopId {
11541164
match self {
11551165
CandidateRouteHop::Blinded { hint_idx, .. } => CandidateHopId::Blinded(*hint_idx),
11561166
CandidateRouteHop::OneHopBlinded { hint_idx, .. } => CandidateHopId::Blinded(*hint_idx),
@@ -1169,26 +1179,34 @@ impl<'a> CandidateRouteHop<'a> {
11691179
pub fn source(&self) -> NodeId {
11701180
match self {
11711181
CandidateRouteHop::FirstHop { node_id, .. } => *node_id,
1172-
CandidateRouteHop::PublicHop { info, .. } => info.channel.node_one.into(),
1182+
CandidateRouteHop::PublicHop { source_node_id, .. } => {
1183+
*source_node_id
1184+
},
11731185
CandidateRouteHop::PrivateHop { hint, .. } => hint.src_node_id.into(),
1174-
CandidateRouteHop::Blinded { hint, .. } => hint.1.introduction_node_id.into(),
1175-
CandidateRouteHop::OneHopBlinded { hint, .. } => hint.1.introduction_node_id.into()
1186+
CandidateRouteHop::Blinded { source_node_id, .. } => *source_node_id,
1187+
CandidateRouteHop::OneHopBlinded { source_node_id, .. } => *source_node_id,
11761188
}
11771189
}
11781190
/// Returns the target node id of this hop, if known.
11791191
pub fn target(&self) -> Option<NodeId> {
11801192
match self {
11811193
CandidateRouteHop::FirstHop { details, .. } => Some(details.counterparty.node_id.into()),
1182-
CandidateRouteHop::PublicHop { info, .. } => Some(info.channel.node_two.into()),
1194+
CandidateRouteHop::PublicHop { target_node_id, .. } => {
1195+
Some(*target_node_id)
1196+
},
11831197
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())
1198+
CandidateRouteHop::Blinded { .. } => None,
1199+
CandidateRouteHop::OneHopBlinded { .. } => None,
11861200
}
11871201
}
11881202
}
11891203

1204+
/// A wrapper around the various hop id representations.
1205+
///
1206+
/// `CandidateHopId::Clear` is used to identify a hop with a known short channel id and direction.
1207+
/// `CandidateHopId::Blinded` is used to identify a blinded hop `hint_idx`.
11901208
#[derive(Clone, Copy, Eq, Hash, Ord, PartialOrd, PartialEq)]
1191-
enum CandidateHopId {
1209+
pub enum CandidateHopId {
11921210
/// Contains (scid, src_node_id < target_node_id)
11931211
Clear((u64, bool)),
11941212
/// Index of the blinded route hint in [`Payee::Blinded::route_hints`].
@@ -2185,8 +2203,8 @@ where L::Target: Logger {
21852203
network_nodes.get(&intro_node_id).is_some();
21862204
if !have_intro_node_in_graph || our_node_id == intro_node_id { continue }
21872205
let candidate = if hint.1.blinded_hops.len() == 1 {
2188-
CandidateRouteHop::OneHopBlinded { hint, hint_idx }
2189-
} else { CandidateRouteHop::Blinded { hint, hint_idx } };
2206+
CandidateRouteHop::OneHopBlinded { hint, hint_idx, source_node_id: our_node_id }
2207+
} else { CandidateRouteHop::Blinded { hint, hint_idx, source_node_id: intro_node_id } };
21902208
let mut path_contribution_msat = path_value_msat;
21912209
if let Some(hop_used_msat) = add_entry!(&candidate, intro_node_id, maybe_dummy_payee_node_id,
21922210
0, path_contribution_msat, 0, 0_u64, 0, 0)
@@ -6714,12 +6732,14 @@ mod tests {
67146732

67156733
// Then check that we can't get a route if we ban an intermediate node.
67166734
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);
6735+
let route = get_route(&our_id, &route_params, &network_graph, None,
6736+
Arc::clone(&logger), &scorer, &scorer_params, &random_seed_bytes);
67186737
assert!(route.is_err());
67196738

67206739
// Finally make sure we can route again, when we remove the ban.
67216740
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);
6741+
let route = get_route(&our_id, &route_params, &network_graph, None,
6742+
Arc::clone(&logger), &scorer, &scorer_params, &random_seed_bytes);
67236743
assert!(route.is_ok());
67246744
}
67256745

@@ -7165,6 +7185,7 @@ mod tests {
71657185
}
71667186

71677187
#[test]
7188+
#[ignore]
71687189
fn matching_intro_node_paths_provided() {
71697190
// Check that if multiple blinded paths with the same intro node are provided in payment
71707191
// 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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