+ let used_liquidity_msat = used_channel_liquidities
+ .get(&(hop.short_channel_id, source < target)).copied().unwrap_or(0);
+ let channel_usage = ChannelUsage {
+ amount_msat: final_value_msat + aggregate_next_hops_fee_msat,
+ inflight_htlc_msat: used_liquidity_msat,
+ effective_capacity: candidate.effective_capacity(),
+ };
+ let channel_penalty_msat = scorer.channel_penalty_msat(
+ hop.short_channel_id, &source, &target, channel_usage
+ );
+ aggregate_next_hops_path_penalty_msat = aggregate_next_hops_path_penalty_msat
+ .saturating_add(channel_penalty_msat);
+
+ aggregate_next_hops_cltv_delta = aggregate_next_hops_cltv_delta
+ .saturating_add(hop.cltv_expiry_delta as u32);
+
+ aggregate_next_hops_path_length = aggregate_next_hops_path_length
+ .saturating_add(1);
+