Remove temp debugging code; Quit if you fail to connect to the network

beacon_chain/eth2_network.nim

@@ -196,14 +196,20 @@ else:
 
   proc connectToNetwork*(node: Eth2Node, bootstrapNodes: seq[PeerInfo]) {.async.} =
     # TODO: perhaps we should do these in parallel
+    var connected = false
     for bootstrapNode in bootstrapNodes:
       try:
         await node.daemon.connect(bootstrapNode.peer, bootstrapNode.addresses)
         let peer = node.getPeer(bootstrapNode.peer)
         await initializeConnection(peer)
+        connected = true
       except PeerDisconnected:
         error "Failed to connect to bootstrap node", node = bootstrapNode
 
+    if connected == false:
+      fatal "Failed to connect to any bootstrap node. Quitting."
+      quit 1
+
   proc saveConnectionAddressFile*(node: Eth2Node, filename: string) =
     let id = waitFor node.daemon.identity()
     Json.saveFile(filename, id, pretty = false)

beacon_chain/libp2p_backend.nim

@@ -504,9 +504,7 @@ proc p2pProtocolBackendImpl*(p: P2PProtocol): Backend =
                          `streamVar`: `P2PStream`) {.async, gcsafe.} =
           let `peerVar` = peerFromStream(`daemonVar`, `streamVar`)
           try:
-            debug "INCOMING CONNECTION", `peerVar`
             `await` `handshakeProcName`(`peerVar`, `streamVar`)
-            debug "HANDSHAKE COMPLETED", `peerVar`
           except SerializationError as err:
             debug "Failed to decode message",
                   err = err.formatMsg("<msg>"),