public void applySpecification(ExchangeSpecification exchangeSpecification) {
super.applySpecification(exchangeSpecification);
this.pollingMarketDataService = new BitfinexMarketDataService(exchangeSpecification);
this.pollingAccountService = new BitfinexAccountService(exchangeSpecification);
this.pollingTradeService = new BitfinexTradeService(exchangeSpecification);
}