anchor.diff:          lazy_tick_period = LazyTickPeriod,
           exchange_tick_period = ExchangeTickPeriod
       },
  +
  +    AllMembers = ordsets:from_list(Members),
  +    InitEagers = ordsets:from_list(InitEagers0),
  +    InitLazys = ordsets:from_list(InitLazys0),
  +
       State2 = reset_peers(AllMembers, InitEagers, InitLazys, State1),
       {ok, State2}.
   
  
positive.code:         common_lazys = LazyPeers
      } = State,
  
      CurrentMembers = ordsets:from_list(Members),
      New = ordsets:subtract(CurrentMembers, BroadcastMembers),
      Removed = ordsets:subtract(BroadcastMembers, CurrentMembers),
  
      ?LOG_DEBUG("new members: ~p", [ordsets:to_list(New)]),
      ?LOG_DEBUG("removed members: ~p", [ordsets:to_list(Removed)]),
  
negative.code:         common_lazys = CommonLazys,
          lazy_sets = LazySets
      } = State,
  
      NewAllMembers = ordsets:subtract(AllMembers, Removed),
      NewCommonEagers = ordsets:subtract(CommonEagers, Removed),
      NewCommonLazys  = ordsets:subtract(CommonLazys, Removed),
  