f include ms/ns time parts when decaying

Author: TheBlueMatt

lightning/src/routing/scoring.rs

@@ -1075,10 +1075,10 @@ impl<T: Time> ChannelLiquidity<T> {
 	}
 
 	fn decayed_offset(&self, offset: u64, decay_params: ProbabilisticScoringDecayParameters) -> u64 {
-		let half_life = decay_params.liquidity_offset_half_life.as_secs();
-		if half_life != 0 {
-			let elapsed_time = T::now().duration_since(self.last_updated).as_secs() as f64;
-			((offset as f64) * powf64(0.5, elapsed_time / (half_life as f64))) as u64
+		let half_life = decay_params.liquidity_offset_half_life.as_secs_f64();
+		if half_life != 0.0 {
+			let elapsed_time = T::now().duration_since(self.last_updated).as_secs_f64();
+			((offset as f64) * powf64(0.5, elapsed_time / half_life)) as u64
 		} else {
 			0
 		}
@@ -1502,8 +1502,8 @@ impl<G: Deref<Target = NetworkGraph<L>>, L: Deref, T: Time> ScoreUpdate for Prob
 			let elapsed_time =
 				T::now().duration_since(liquidity.offset_history_last_updated);
 			if elapsed_time > decay_params.historical_no_updates_half_life {
-				let half_life = decay_params.historical_no_updates_half_life.as_secs() as f64;
-				let divisor = powf64(2048.0, (elapsed_time.as_secs() as f64) / half_life) as u64;
+				let half_life = decay_params.historical_no_updates_half_life.as_secs_f64();
+				let divisor = powf64(2048.0, elapsed_time.as_secs_f64() / half_life) as u64;
 				for bucket in liquidity.min_liquidity_offset_history.buckets.iter_mut() {
 					*bucket = ((*bucket as u64) * 1024 / divisor) as u16;
 				}