Add more useful fee print-outs

Author: jurvis

lightning/src/routing/router.rs

@@ -468,7 +468,10 @@ impl<'a> core::fmt::Debug for PathBuildingHop<'a> {
 		f.debug_struct("PathBuildingHop")
 			.field("node_id", &self.node_id)
 			.field("short_channel_id", &self.candidate.short_channel_id())
-			.field("fee_msat", &self.fee_msat)
+			.field("next_hops_fee_msat", &self.next_hops_fee_msat)
+			.field("hop_use_fee_msat", &self.hop_use_fee_msat)
+			.field("total_fee_msat - next_hops_fee_msat", &(&self.total_fee_msat - &self.next_hops_fee_msat))
+			.field("total_fee_msat - hop_use_fee_msat", &(&self.total_fee_msat - &self.hop_use_fee_msat))
 			.field("path_penalty_msat", &self.path_penalty_msat)
 			.field("path_htlc_minimum_msat", &self.path_htlc_minimum_msat)
 			.field("cltv_expiry_delta", &self.candidate.cltv_expiry_delta())