public BlotterServiceHost(IBlotterService service, IBroker broker) : base(broker, "blotter")
        {
            _service = service;
            _broker  = broker;

            RegisterCall("getTradesStream", GetTradesStream);
            StartHeartBeat();
        }
        public BlotterServiceHost(IBlotterService service, IBroker broker) : base(broker, "blotter")
        {
            _service = service;
            _broker = broker;

            RegisterCall("getTradesStream", GetTradesStream);
            StartHeartBeat();
        }