From 03ce6a6ed53e3ac1ef4333f521d2591b523065ed Mon Sep 17 00:00:00 2001
From: Pierre Krieger <pierre.krieger1708@gmail.com>
Date: Thu, 28 Mar 2019 15:58:02 -0300
Subject: [PATCH] Add method to query external addresses (#1022)

---
 core/src/swarm.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/core/src/swarm.rs b/core/src/swarm.rs
index ea60dd69999..7a3e4be7224 100644
--- a/core/src/swarm.rs
+++ b/core/src/swarm.rs
@@ -199,6 +199,13 @@ where TBehaviour: NetworkBehaviour,
         RawSwarm::listeners(&me.raw_swarm)
     }
 
+    /// Returns an iterator that produces the list of addresses that other nodes can use to reach
+    /// us.
+    #[inline]
+    pub fn external_addresses(me: &Self) -> impl Iterator<Item = &Multiaddr> {
+        me.external_addrs.iter()
+    }
+
     /// Returns the peer ID of the swarm passed as parameter.
     #[inline]
     pub fn local_peer_id(me: &Self) -> &PeerId {