From 9082e93826db2a1ecbe683bcf37a9f3712bf79e3 Mon Sep 17 00:00:00 2001
From: Jedrzej Stuczynski <jedrzej.stuczynski@gmail.com>
Date: Tue, 14 Jan 2020 12:40:25 +0000
Subject: [PATCH] Helper function to determine if any path can be constructred
 through topology

---
 common/topology/src/lib.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/common/topology/src/lib.rs b/common/topology/src/lib.rs
index 62c5ca5c2f..dd29508ef2 100644
--- a/common/topology/src/lib.rs
+++ b/common/topology/src/lib.rs
@@ -192,6 +192,13 @@ pub trait NymTopology: Sized {
 
         Self::new_from_nodes(filtered_mixes, filtered_providers, filtered_coco_nodes)
     }
+
+    fn can_construct_path_through(&self) -> bool {
+        match self.make_layered_topology() {
+            Ok(_) => true,
+            Err(_) => false,
+        }
+    }
 }
 
 // TODO: tests...