fix MultiThreadedLockableScore implemntation

Author: jbesraa

lightning/src/routing/scoring.rs

@@ -227,23 +227,28 @@ impl<'a, T: Score + 'a> Score for MultiThreadedScoreLock<'a, T> {
 #[cfg(c_bindings)]
 impl<'a, T: Score + 'a> Writeable for MultiThreadedScoreLock<'a, T> {
 	fn write<W: Writer>(&self, writer: &mut W) -> Result<(), io::Error> {
-		self.0.write(writer)
+		self.write(writer)
 	}
 }
 
 #[cfg(c_bindings)]
 impl<'a, T: Score + 'a> LockableScore<'a> for MultiThreadedLockableScore<T> {
-	type Locked = MultiThreadedScoreLock<'a, T>;
+	type ScoreLocked = MultiThreadedScoreLock<'a, T>;
+	type WriteLocked = MultiThreadedScoreLock<'a, T>;
 
-	fn lock(&'a self) -> MultiThreadedScoreLock<'a, T> {
+	fn write_lock(&'a self) -> MultiThreadedScoreLock<'a, T> {
+		MultiThreadedScoreLock(Mutex::lock(&self.score).unwrap())
+	}
+
+	fn score_lock(&'a self) -> MultiThreadedScoreLock<'a, T> {
 		MultiThreadedScoreLock(Mutex::lock(&self.score).unwrap())
 	}
 }
 
 #[cfg(c_bindings)]
 impl<T: Score> Writeable for MultiThreadedLockableScore<T> {
 	fn write<W: Writer>(&self, writer: &mut W) -> Result<(), io::Error> {
-		self.lock().write(writer)
+		self.write_lock().write(writer)
 	}
 }