public HomeController()
 {
     gdaxService     = new GdaxService();
     krakenService   = new KrakenService();
     exmoService     = new ExmoService();
     cexService      = new CexService();
     coinbaseService = new CoinbaseService();
     bitstampService = new BitstampService();
     biboxService    = new BiboxService();
     huobiService    = new HuobiService();
 }
 public FetchDataImplementation(IBitstampService bitstampService, IGDAXService gdaxService)
 {
     this.bitstampService = bitstampService;
     this.gdaxService     = gdaxService;
 }