+pub(crate) trait RoutePath {
+ /// Gets the fees for a given path, excluding any excess paid to the recipient.
+ fn get_path_fees(&self) -> u64;
+}
+impl RoutePath for Vec<RouteHop> {
+ fn get_path_fees(&self) -> u64 {
+ // Do not count last hop of each path since that's the full value of the payment
+ self.split_last().map(|(_, path_prefix)| path_prefix).unwrap_or(&[])
+ .iter().map(|hop| &hop.fee_msat)
+ .sum()
+ }
+}
+