Add network routes to API

beacon_node/eth2-libp2p/src/behaviour.rs

@@ -7,6 +7,7 @@ use futures::prelude::*;
 use libp2p::{
     core::identity::Keypair,
     discv5::Discv5Event,
+    enr::Enr,
     gossipsub::{Gossipsub, GossipsubEvent},
     identify::{Identify, IdentifyEvent},
     ping::{Ping, PingConfig, PingEvent},
@@ -78,6 +79,10 @@ impl<TSubstream: AsyncRead + AsyncWrite> Behaviour<TSubstream> {
             log: behaviour_log,
         })
     }
+
+    pub fn discovery(&self) -> &Discovery<TSubstream> {
+        &self.discovery
+    }
 }
 
 // Implement the NetworkBehaviourEventProcess trait so that we can derive NetworkBehaviour for Behaviour