f use CandidateRouteHop::OneHopBlinded

lightning/src/routing/router.rs

@@ -1054,6 +1054,14 @@ impl<'a> CandidateRouteHop<'a> {
 			_ => CandidateHopId::Clear((self.short_channel_id().unwrap(), channel_direction)),
 		}
 	}
+	fn blinded_path(&self) -> Option<&'a BlindedPath> {
+		match self {
+			CandidateRouteHop::Blinded { hint, .. } | CandidateRouteHop::OneHopBlinded { hint, .. } => {
+				Some(&hint.1)
+			},
+			_ => None,
+		}
+	}
 }
 
 #[derive(Eq, Hash, PartialEq)]
@@ -1968,7 +1976,9 @@ where L::Target: Logger {
 				first_hop_targets.get(&intro_node_id).is_some() ||
 				network_nodes.get(&intro_node_id).is_some();
 			if !have_intro_node_in_graph { continue }
-			let candidate = CandidateRouteHop::Blinded { hint, hint_idx };
+			let candidate = if hint.1.blinded_hops.len() == 1 {
+				CandidateRouteHop::OneHopBlinded { hint, hint_idx }
+			} else { CandidateRouteHop::Blinded { hint, hint_idx } };
 			let mut path_contribution_msat = path_value_msat;
 			if let Some(hop_used_msat) = add_entry!(candidate, intro_node_id, maybe_dummy_payee_node_id,
 				0, path_contribution_msat, 0, 0_u64, 0, 0)
@@ -2401,11 +2411,11 @@ where L::Target: Logger {
 		}
 		let mut final_cltv_delta = final_cltv_expiry_delta;
 		let blinded_tail = payment_path.hops.last().map(|(h, _)| {
-			if let CandidateRouteHop::Blinded { hint, .. } = h.candidate {
+			if let Some(blinded_path) = h.candidate.blinded_path() {
 				final_cltv_delta = h.candidate.cltv_expiry_delta();
 				Some(BlindedTail {
-					hops: hint.1.blinded_hops.clone(),
-					blinding_point: hint.1.blinding_point,
+					hops: blinded_path.blinded_hops.clone(),
+					blinding_point: blinded_path.blinding_point,
 					excess_final_cltv_expiry_delta: 0,
 					final_value_msat: h.fee_msat,
 				})