X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Frouting%2Fmod.rs;h=51ffd91b50483d58bc2016440bdb98d9f82886e5;hb=46b68c517dba57bde545ea8e56b47fe3af768579;hp=d419c6e9300ace03868c8272b7a71492f7664431;hpb=e553d2c2c0280bc4e82b4685679e79307146b129;p=rust-lightning

diff --git a/lightning/src/routing/mod.rs b/lightning/src/routing/mod.rs
index d419c6e9..51ffd91b 100644
--- a/lightning/src/routing/mod.rs
+++ b/lightning/src/routing/mod.rs
@@ -1,4 +1,25 @@
+// This file is Copyright its original authors, visible in version control
+// history.
+//
+// This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE
+// or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// You may not use this file except in accordance with one or both of these
+// licenses.
+
 //! Structs and impls for receiving messages about the network and storing the topology live here.
 
-pub mod router;
 pub mod network_graph;
+pub mod router;
+pub mod scorer;
+
+use routing::network_graph::NodeId;
+
+/// An interface used to score payment channels for path finding.
+///
+///	Scoring is in terms of fees willing to be paid in order to avoid routing through a channel.
+pub trait Score {
+	/// Returns the fee in msats willing to be paid to avoid routing through the given channel
+	/// in the direction from `source` to `target`.
+	fn channel_penalty_msat(&self, short_channel_id: u64, source: &NodeId, target: &NodeId) -> u64;
+}