f always add shadow offset to blinded paths

Author: valentinewallace

lightning/src/routing/router.rs

@@ -2111,8 +2111,6 @@ fn add_random_cltv_offset(route: &mut Route, payment_params: &PaymentParameters,
 	let network_nodes = network_graph.nodes();
 
 	for path in route.paths.iter_mut() {
-		if path.blinded_tail.as_ref().map_or(false, |tail| tail.hops.len() > 1) { continue }
-
 		let mut shadow_ctlv_expiry_delta_offset: u32 = 0;
 
 		// Remember the last three nodes of the random walk and avoid looping back on them.
@@ -2184,8 +2182,7 @@ fn add_random_cltv_offset(route: &mut Route, payment_params: &PaymentParameters,
 		if let Some(tail) = path.blinded_tail.as_mut() {
 			tail.final_cltv_expiry_delta = tail.final_cltv_expiry_delta
 				.checked_add(shadow_ctlv_expiry_delta_offset).unwrap_or(tail.final_cltv_expiry_delta);
-		}
-		if let Some(last_hop) = path.hops.last_mut() {
+		} else if let Some(last_hop) = path.hops.last_mut() {
 			last_hop.cltv_expiry_delta = last_hop.cltv_expiry_delta
 				.checked_add(shadow_ctlv_expiry_delta_offset).unwrap_or(last_hop.cltv_expiry_delta);
 		}