F phantom invoice hints filtering

Author: ViktorT-11

lightning-invoice/src/utils.rs

@@ -64,16 +64,17 @@ pub fn create_phantom_invoice<Signer: Sign, K: Deref>(
 	}
 
 	for hint in phantom_route_hints {
-		let (mut route_hints, has_private_channels) = filter_channels(
+		let mut route_hints = filter_channels(
 			hint.channels.clone(),
 			amt_msat
 		);
 
-		// If we have any private channels, the route hints from `filter_channels` will be empty.
+		// If we have a mix of public and private channels, the route hints from `filter_channels`
+		// will be empty.
 		// In that case we create a RouteHint on which we will push a single hop with the phantom
 		// route into the invoice, and let the sender find the path to the `hint.real_node_pubkey`
 		// node by looking at our public channels.
-		if has_private_channels && route_hints.is_empty(){
+		if route_hints.is_empty(){
 			route_hints.push(RouteHint(vec![]))
 		}
 		for mut route_hint in route_hints {