anchor.diff:  -define(NODES_INTERVAL, 20000).
   -define(NODES_MESSAGE,  nodes).
   
  --define(BUILD_GRAPH_INTERVAL, 20000).
  +-define(BUILD_GRAPH_INTERVAL, 60000).
   -define(BUILD_GRAPH_MESSAGE,  build_graph).
   
   -define(ARTIFACT_INTERVAL, 1000).
  
positive.code: 
      %% Attempt to connect nodes that are not connected.
      AttemptedNodes = maybe_connect(ToConnectNodes, SeenNodes),
  
      {noreply, State#state{attempted_nodes=AttemptedNodes}};
  handle_info(?NODES_MESSAGE, State) ->
  
negative.code: %% @private
  -spec handle_info(term(), #state{}) -> {noreply, #state{}}.
  handle_info(?REFRESH_MESSAGE, #state{attempted_nodes=SeenNodes}=State) ->
      Tag = partisan_config:get(tag, client),
      PeerServiceManager = lasp_config:get(peer_service_manager,
                                           partisan_peer_service),
  