anchor.diff:  
   %% @private
   handle_call(Msg, _From, State) ->
  -    lager:warning("Unhandled call messages at module ~p: ~p", [?MODULE, Msg]),
  +    partisan_logger:warning("Unhandled call messages at module ~p: ~p", [?MODULE, Msg]),
       {reply, ok, State}.
   
   %% @private
  
positive.code: 
                      ok;
                  false ->
                      lager:info("Not all participants have committed yet: ~p != ~p", [Committed, Participants]),
  
                      %% Update local state.
                      true = ets:insert(?COORDINATING_TRANSACTIONS, {Id, Transaction#transaction{committed=Committed}}),
  
negative.code: 
      %% Start with initial membership.
      {ok, Membership} = partisan_peer_service:members(),
      partisan_logger:info("Starting with membership: ~p", [Membership]),
  
      %% Schedule heartbeat.
      schedule_heartbeat(),
  