Implement routing against the netgraph in tests

[rust-lightning] / lightning / src / util / test_utils.rs

diff --git a/lightning/src/util/test_utils.rs b/lightning/src/util/test_utils.rs
index 4f74791a173d120f7f84e3c68c3951dd0a08af8b..53e8e1d45d0089b13c59067df06eaa430e903058 100644 (file)
--- a/lightning/src/util/test_utils.rs
+++ b/lightning/src/util/test_utils.rs
@@ -21,6 +21,8 @@ use crate::ln::channelmanager;
 use crate::ln::features::{ChannelFeatures, InitFeatures, NodeFeatures};
 use crate::ln::{msgs, wire};
 use crate::ln::script::ShutdownScript;
+use crate::routing::gossip::NetworkGraph;
+use crate::routing::router::{find_route, InFlightHtlcs, Route, RouteHop, RouteParameters, Router, ScorerAccountingForInFlightHtlcs};
 use crate::routing::scoring::FixedPenaltyScorer;
 use crate::util::enforcing_trait_impls::{EnforcingSigner, EnforcementState};
 use crate::util::events;
@@ -71,6 +73,34 @@ impl chaininterface::FeeEstimator for TestFeeEstimator {
        }
 }
 
+pub struct TestRouter<'a> {
+       pub network_graph: Arc<NetworkGraph<&'a TestLogger>>,
+}
+
+impl<'a> TestRouter<'a> {
+       pub fn new(network_graph: Arc<NetworkGraph<&'a TestLogger>>) -> Self {
+               Self { network_graph }
+       }
+}
+
+impl<'a> Router for TestRouter<'a> {
+       fn find_route(
+               &self, payer: &PublicKey, params: &RouteParameters, first_hops: Option<&[&channelmanager::ChannelDetails]>,
+               inflight_htlcs: InFlightHtlcs
+       ) -> Result<Route, msgs::LightningError> {
+               let logger = TestLogger::new();
+               find_route(
+                       payer, params, &self.network_graph, first_hops, &logger,
+                       &ScorerAccountingForInFlightHtlcs::new(TestScorer::with_penalty(0), inflight_htlcs),
+                       &[42; 32]
+               )
+       }
+       fn notify_payment_path_failed(&self, _path: &[&RouteHop], _short_channel_id: u64) {}
+       fn notify_payment_path_successful(&self, _path: &[&RouteHop]) {}
+       fn notify_payment_probe_successful(&self, _path: &[&RouteHop]) {}
+       fn notify_payment_probe_failed(&self, _path: &[&RouteHop], _short_channel_id: u64) {}
+}
+
 pub struct OnlyReadsKeysInterface {}
 
 impl EntropySource for OnlyReadsKeysInterface {