[Temp Commit] Implements more basic skeleton code.

beacon_node/network/src/message_handler.rs

@@ -0,0 +1,18 @@
+use crate::node_message::NodeMessage;
+
+/// Handles messages received from the network and client and organises syncing.
+pub struct MessageHandler {
+    sync: Syncer,
+    //TODO: Implement beacon chain
+    //chain: BeaconChain
+}
+
+/// Types of messages the handler can receive.
+pub enum HandlerMessage {
+    /// Peer has connected.
+    PeerConnected(PeerId),
+    /// Peer has disconnected,
+    PeerDisconnected(PeerId),
+    /// A Node message has been received.
+    Message(Peer, NodeMessage),
+}