Add utils to persist scorer in BackgroundProcessor

[rust-lightning] / lightning / src / routing / scoring.rs

diff --git a/lightning/src/routing/scoring.rs b/lightning/src/routing/scoring.rs
index 0e04c63903392b8ccfc36d72c3fa87109b86c17b..ce1149e0f6460f618f6e5d2befcf6669a33a5edc 100644 (file)
--- a/lightning/src/routing/scoring.rs
+++ b/lightning/src/routing/scoring.rs
@@ -137,6 +137,14 @@ pub trait LockableScore<'a> {
        fn lock(&'a self) -> Self::Locked;
 }
 
+/// Refers to a scorer that is accessible under lock and also writeable to disk
+///
+/// We need this trait to be able to pass in a scorer to `lightning-background-processor` that will enable us to
+/// use the Persister to persist it.
+pub trait WriteableScore<'a>: LockableScore<'a> + Writeable {}
+
+impl<'a, T> WriteableScore<'a> for T where T: LockableScore<'a> + Writeable {}
+
 /// (C-not exported)
 impl<'a, T: 'a + Score> LockableScore<'a> for Mutex<T> {
        type Locked = MutexGuard<'a, T>;