Let scorer methods take params by reference

Author: tnull

lightning/src/routing/router.rs

@@ -5723,7 +5723,7 @@ mod tests {
 		let random_seed_bytes = keys_manager.get_secure_random_bytes();
 
 		let scorer_params = ProbabilisticScoringParameters::default();
-		let mut scorer = ProbabilisticScorer::new(scorer_params.clone(), Arc::clone(&network_graph), Arc::clone(&logger));
+		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]);

lightning/src/routing/scoring.rs

@@ -574,7 +574,7 @@ const AMOUNT_PENALTY_DIVISOR: u64 = 1 << 20;
 impl<L: Deref<Target = u64>, T: Time, U: Deref<Target = T>> DirectedChannelLiquidity<L, T, U> {
 	/// Returns a penalty for routing the given HTLC `amount_msat` through the channel in this
 	/// direction.
-	fn penalty_msat(&self, amount_msat: u64, params: ProbabilisticScoringParameters) -> u64 {
+	fn penalty_msat(&self, amount_msat: u64, params: &ProbabilisticScoringParameters) -> u64 {
 		let max_liquidity_msat = self.max_liquidity_msat();
 		let min_liquidity_msat = core::cmp::min(self.min_liquidity_msat(), max_liquidity_msat);
 		if amount_msat <= min_liquidity_msat {
@@ -611,7 +611,7 @@ impl<L: Deref<Target = u64>, T: Time, U: Deref<Target = T>> DirectedChannelLiqui
 	#[inline(always)]
 	fn combined_penalty_msat(
 		&self, amount_msat: u64, negative_log10_times_2048: u64,
-		params: ProbabilisticScoringParameters
+		params: &ProbabilisticScoringParameters
 	) -> u64 {
 		let liquidity_penalty_msat = {
 			// Upper bound the liquidity penalty to ensure some channel is selected.
@@ -723,7 +723,7 @@ impl<G: Deref<Target = NetworkGraph<L>>, L: Deref, T: Time> Score for Probabilis
 			.get(&short_channel_id)
 			.unwrap_or(&ChannelLiquidity::new())
 			.as_directed(source, target, capacity_msat, liquidity_offset_half_life)
-			.penalty_msat(amount_msat, self.params.clone())
+			.penalty_msat(amount_msat, &self.params)
 	}
 
 	fn payment_path_failed(&mut self, path: &[&RouteHop], short_channel_id: u64) {