HashMap::with_capacity(network_nodes.len());
// Keeping track of how much value we already collected across other paths. Helps to decide
- // when we want to stop looking for new paths.
+ // when we want to stop looking for new paths.
let mut already_collected_value_msat = 0;
for (_, channels) in first_hop_targets.iter_mut() {
use routing::router::{get_route, build_route_from_hops_internal, add_random_cltv_offset, default_node_features,
PaymentParameters, Route, RouteHint, RouteHintHop, RouteHop, RoutingFees,
DEFAULT_MAX_TOTAL_CLTV_EXPIRY_DELTA, MAX_PATH_LENGTH_ESTIMATE};
- use routing::scoring::{ChannelUsage, Score};
+ use routing::scoring::{ChannelUsage, Score, ProbabilisticScorer, ProbabilisticScoringParameters};
use chain::transaction::OutPoint;
use chain::keysinterface::KeysInterface;
use ln::features::{ChannelFeatures, InitFeatures, InvoiceFeatures, NodeFeatures};
is_usable: true, is_public: true,
inbound_htlc_minimum_msat: None,
inbound_htlc_maximum_msat: None,
+ config: None,
}
}
let scorer = test_utils::TestScorer::with_penalty(0);
let keys_manager = test_utils::TestKeysInterface::new(&[0u8; 32], Network::Testnet);
let random_seed_bytes = keys_manager.get_secure_random_bytes();
- let payment_params = PaymentParameters::from_node_id(nodes[2]).with_features(InvoiceFeatures::known());
+ let payment_params = PaymentParameters::from_node_id(nodes[2])
+ .with_features(InvoiceFeatures::known());
// We need a route consisting of 3 paths:
// From our node to node2 via node0, node7, node1 (three paths one hop each).
{
// Attempt to route more than available results in a failure.
if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(
- &our_id, &payment_params, &network_graph.read_only(), None, 300_000, 42, Arc::clone(&logger), &scorer, &random_seed_bytes) {
- assert_eq!(err, "Failed to find a sufficient route to the given destination");
+ &our_id, &payment_params, &network_graph.read_only(), None, 300_000, 42,
+ Arc::clone(&logger), &scorer, &random_seed_bytes) {
+ assert_eq!(err, "Failed to find a sufficient route to the given destination");
+ } else { panic!(); }
+ }
+
+ {
+ // Attempt to route while setting max_mpp_path_count to 0 results in a failure.
+ let zero_payment_params = payment_params.clone().with_max_mpp_path_count(0);
+ if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(
+ &our_id, &zero_payment_params, &network_graph.read_only(), None, 100, 42,
+ Arc::clone(&logger), &scorer, &random_seed_bytes) {
+ assert_eq!(err, "Can't find an MPP route with no paths allowed.");
+ } else { panic!(); }
+ }
+
+ {
+ // Attempt to route while setting max_mpp_path_count to 3 results in a failure.
+ // This is the case because the minimal_value_contribution_msat would require each path
+ // to account for 1/3 of the total value, which is violated by 2 out of 3 paths.
+ let fail_payment_params = payment_params.clone().with_max_mpp_path_count(3);
+ if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(
+ &our_id, &fail_payment_params, &network_graph.read_only(), None, 250_000, 42,
+ Arc::clone(&logger), &scorer, &random_seed_bytes) {
+ assert_eq!(err, "Failed to find a sufficient route to the given destination");
} else { panic!(); }
}
{
// Now, attempt to route 250 sats (just a bit below the capacity).
// Our algorithm should provide us with these 3 paths.
- let route = get_route(&our_id, &payment_params, &network_graph.read_only(), None, 250_000, 42, Arc::clone(&logger), &scorer, &random_seed_bytes).unwrap();
+ let route = get_route(&our_id, &payment_params, &network_graph.read_only(), None,
+ 250_000, 42, Arc::clone(&logger), &scorer, &random_seed_bytes).unwrap();
assert_eq!(route.paths.len(), 3);
let mut total_amount_paid_msat = 0;
for path in &route.paths {
{
// Attempt to route an exact amount is also fine
- let route = get_route(&our_id, &payment_params, &network_graph.read_only(), None, 290_000, 42, Arc::clone(&logger), &scorer, &random_seed_bytes).unwrap();
+ let route = get_route(&our_id, &payment_params, &network_graph.read_only(), None,
+ 290_000, 42, Arc::clone(&logger), &scorer, &random_seed_bytes).unwrap();
assert_eq!(route.paths.len(), 3);
let mut total_amount_paid_msat = 0;
for path in &route.paths {
}
}
}
+
+ #[test]
+ fn avoids_banned_nodes() {
+ let (secp_ctx, network_graph, _, _, logger) = build_line_graph();
+ let (_, our_id, _, nodes) = get_nodes(&secp_ctx);
+
+ let keys_manager = test_utils::TestKeysInterface::new(&[0u8; 32], Network::Testnet);
+ let random_seed_bytes = keys_manager.get_secure_random_bytes();
+
+ let scorer_params = ProbabilisticScoringParameters::default();
+ let mut scorer = ProbabilisticScorer::new(scorer_params, Arc::clone(&network_graph), Arc::clone(&logger));
+
+ // First check we can get a route.
+ let payment_params = PaymentParameters::from_node_id(nodes[10]);
+ let route = get_route(&our_id, &payment_params, &network_graph.read_only(), None, 100, 42, Arc::clone(&logger), &scorer, &random_seed_bytes);
+ assert!(route.is_ok());
+
+ // Then check that we can't get a route if we ban an intermediate node.
+ scorer.add_banned(&NodeId::from_pubkey(&nodes[3]));
+ let route = get_route(&our_id, &payment_params, &network_graph.read_only(), None, 100, 42, Arc::clone(&logger), &scorer, &random_seed_bytes);
+ assert!(route.is_err());
+
+ // Finally make sure we can route again, when we remove the ban.
+ scorer.remove_banned(&NodeId::from_pubkey(&nodes[3]));
+ let route = get_route(&our_id, &payment_params, &network_graph.read_only(), None, 100, 42, Arc::clone(&logger), &scorer, &random_seed_bytes);
+ assert!(route.is_ok());
+ }
}
#[cfg(all(test, not(feature = "no-std")))]
is_public: true,
inbound_htlc_minimum_msat: None,
inbound_htlc_maximum_msat: None,
+ config: None,
}
}
projects / rust-lightning / blobdiff