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Merge pull request #1764 from G8XSU/rgs-ignore-error

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Ignore Duplicate Gossip Error while updating networkGraph from RGS
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Jeffrey Czyz 2022-10-19 08:50:09 -05:00 • committed by GitHub
commit c06ab02900
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2 changed files with 53 additions and 3 deletions
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52
lightning-rapid-gossip-sync/src/processing.rs
View file

@ -194,7 +194,13 @@ impl<NG: Deref<Target=NetworkGraph<L>>, L: Deref> RapidGossipSync<NG, L> where L
synthetic_update.htlc_maximum_msat = htlc_maximum_msat;
}
network_graph.update_channel_unsigned(&synthetic_update)?;
match network_graph.update_channel_unsigned(&synthetic_update) {
Ok(_) => {},
Err(LightningError { action: ErrorAction::IgnoreDuplicateGossip, .. }) => {},
Err(LightningError { action: ErrorAction::IgnoreAndLog(_), .. }) => {},
Err(LightningError { action: ErrorAction::IgnoreError, .. }) => {},
Err(e) => return Err(e.into()),
}
}
self.network_graph.set_last_rapid_gossip_sync_timestamp(latest_seen_timestamp);
@ -435,6 +441,50 @@ mod tests {
assert!(after.contains("783241506229452801"));
}
#[test]
fn update_succeeds_when_duplicate_gossip_is_applied() {
let initialization_input = vec![
76, 68, 75, 1, 111, 226, 140, 10, 182, 241, 179, 114, 193, 166, 162, 70, 174, 99, 247,
79, 147, 30, 131, 101, 225, 90, 8, 156, 104, 214, 25, 0, 0, 0, 0, 0, 97, 227, 98, 218,
0, 0, 0, 4, 2, 22, 7, 207, 206, 25, 164, 197, 231, 230, 231, 56, 102, 61, 250, 251,
187, 172, 38, 46, 79, 247, 108, 44, 155, 48, 219, 238, 252, 53, 192, 6, 67, 2, 36, 125,
157, 176, 223, 175, 234, 116, 94, 248, 201, 225, 97, 235, 50, 47, 115, 172, 63, 136,
88, 216, 115, 11, 111, 217, 114, 84, 116, 124, 231, 107, 2, 158, 1, 242, 121, 152, 106,
204, 131, 186, 35, 93, 70, 216, 10, 237, 224, 183, 89, 95, 65, 3, 83, 185, 58, 138,
181, 64, 187, 103, 127, 68, 50, 2, 201, 19, 17, 138, 136, 149, 185, 226, 156, 137, 175,
110, 32, 237, 0, 217, 90, 31, 100, 228, 149, 46, 219, 175, 168, 77, 4, 143, 38, 128,
76, 97, 0, 0, 0, 2, 0, 0, 255, 8, 153, 192, 0, 2, 27, 0, 0, 0, 1, 0, 0, 255, 2, 68,
226, 0, 6, 11, 0, 1, 2, 3, 0, 0, 0, 4, 0, 40, 0, 0, 0, 0, 0, 0, 3, 232, 0, 0, 3, 232,
0, 0, 0, 1, 0, 0, 0, 0, 58, 85, 116, 216, 255, 8, 153, 192, 0, 2, 27, 0, 0, 56, 0, 0,
0, 0, 0, 0, 0, 1, 0, 0, 0, 100, 0, 0, 2, 224, 0, 25, 0, 0, 0, 1, 0, 0, 0, 125, 255, 2,
68, 226, 0, 6, 11, 0, 1, 4, 0, 0, 0, 0, 29, 129, 25, 192, 0, 5, 0, 0, 0, 0, 29, 129,
25, 192,
];
let block_hash = genesis_block(Network::Bitcoin).block_hash();
let logger = TestLogger::new();
let network_graph = NetworkGraph::new(block_hash, &logger);
assert_eq!(network_graph.read_only().channels().len(), 0);
let rapid_sync = RapidGossipSync::new(&network_graph);
let initialization_result = rapid_sync.update_network_graph(&initialization_input[..]);
assert!(initialization_result.is_ok());
let single_direction_incremental_update_input = vec![
76, 68, 75, 1, 111, 226, 140, 10, 182, 241, 179, 114, 193, 166, 162, 70, 174, 99, 247,
79, 147, 30, 131, 101, 225, 90, 8, 156, 104, 214, 25, 0, 0, 0, 0, 0, 97, 229, 183, 167,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 8, 153, 192, 0, 2, 27, 0, 0, 136, 0, 0, 0, 221, 255, 2,
68, 226, 0, 6, 11, 0, 1, 128,
];
let update_result_1 = rapid_sync.update_network_graph(&single_direction_incremental_update_input[..]);
// Apply duplicate update
let update_result_2 = rapid_sync.update_network_graph(&single_direction_incremental_update_input[..]);
assert!(update_result_1.is_ok());
assert!(update_result_2.is_ok());
}
#[test]
fn full_update_succeeds() {
let valid_input = vec![

4
lightning/src/routing/gossip.rs
View file

@ -1331,7 +1331,7 @@ impl<L: Deref> NetworkGraph<L> where L::Target: Logger {
// updates to ensure you always have the latest one, only vaguely suggesting
// that it be at least the current time.
if node_info.last_update > msg.timestamp {
return Err(LightningError{err: "Update older than last processed update".to_owned(), action: ErrorAction::IgnoreAndLog(Level::Gossip)});
return Err(LightningError{err: "Update older than last processed update".to_owned(), action: ErrorAction::IgnoreDuplicateGossip});
} else if node_info.last_update == msg.timestamp {
return Err(LightningError{err: "Update had the same timestamp as last processed update".to_owned(), action: ErrorAction::IgnoreDuplicateGossip});
}
@ -1797,7 +1797,7 @@ impl<L: Deref> NetworkGraph<L> where L::Target: Logger {
// pruning based on the timestamp field being more than two weeks old,
// but only in the non-normative section.
if existing_chan_info.last_update > msg.timestamp {
return Err(LightningError{err: "Update older than last processed update".to_owned(), action: ErrorAction::IgnoreAndLog(Level::Gossip)});
return Err(LightningError{err: "Update older than last processed update".to_owned(), action: ErrorAction::IgnoreDuplicateGossip});
} else if existing_chan_info.last_update == msg.timestamp {
return Err(LightningError{err: "Update had same timestamp as last processed update".to_owned(), action: ErrorAction::IgnoreDuplicateGossip});
}