Add PubsubMessage and publish function to behaviour

beacon_node/network/src/beacon_chain.rs

@@ -109,7 +109,7 @@ where
         let state = self.get_state();
 
         HelloMessage {
-            network_id: spec.network_id,
+            network_id: spec.chain_id,
             latest_finalized_root: state.finalized_root,
             latest_finalized_epoch: state.finalized_epoch,
             best_root: self.best_block_root(),

beacon_node/network/src/service.rs

@@ -3,7 +3,7 @@ use crate::error;
 use crate::message_handler::{HandlerMessage, MessageHandler};
 use crate::NetworkConfig;
 use crossbeam_channel::{unbounded as channel, Sender, TryRecvError};
-use eth2_libp2p::RPCEvent;
+use eth2_libp2p::{RPCEvent, PublishMessage};
 use eth2_libp2p::Service as LibP2PService;
 use eth2_libp2p::{Libp2pEvent, PeerId};
 use futures::prelude::*;
@@ -12,6 +12,7 @@ use futures::Stream;
 use slog::{debug, info, o, trace};
 use std::sync::Arc;
 use tokio::runtime::TaskExecutor;
+use types::{BeaconBlock, Topic};
 
 /// Service that handles communication between internal services and the eth2_libp2p network service.
 pub struct Service {
@@ -161,7 +162,12 @@ fn network_service(
                     return Err(eth2_libp2p::error::Error::from(
                         "Network channel disconnected",
                     ));
-                }
+                },
+            Ok(NetworkMessage::Publish(topic, message) => {
+                debug!(log, "Sending message on topic {:?}", topic);
+                libp2p_service.swarm.publish(topic,message)
+
+
             }
         }
         Ok(Async::NotReady)
@@ -174,6 +180,8 @@ pub enum NetworkMessage {
     /// Send a message to libp2p service.
     //TODO: Define typing for messages across the wire
     Send(PeerId, OutgoingMessage),
+    /// Publish a message to gossipsub
+    Publish(Topic, PublishMessage),
 }
 
 /// Type of outgoing messages that can be sent through the network service.
@@ -184,3 +192,4 @@ pub enum OutgoingMessage {
     //TODO: Remove
     NotifierTest,
 }
+