import org.knowm.xchange.bitfinex.v1.BitfinexExchange; //导入依赖的package包/类
@Override
public ExchangeSpecification GetSetupedExchange() {
    ExchangeSpecification exSpec = new BitfinexExchange().getDefaultExchangeSpecification();
    if (super.getTradingMode()) {
        exSpec.setApiKey(super.getApiKey());
        exSpec.setSecretKey(super.getSecretKey());
    }
    return exSpec;
}
 

import org.knowm.xchange.bitfinex.v1.BitfinexExchange; //导入依赖的package包/类
public ExchangeRateUpdater(Currency baseCurrency, ExchangeRateStorage priceStorage) {
    this.storage = priceStorage;
    this.baseCurrencyBtcPair = new CurrencyPair(baseCurrency, Currency.BTC);

    exchanges = new HashMap<>();
    exchanges.put(baseCurrencyBtcPair, ExchangeFactory.INSTANCE.createExchange(BitfinexExchange.class.getName()));
    exchanges.put(CurrencyPair.BTC_USD, ExchangeFactory.INSTANCE.createExchange(BitfinexExchange.class.getName()));
    exchanges.put(CurrencyPair.BTC_EUR, ExchangeFactory.INSTANCE.createExchange(BitstampExchange.class.getName()));
    exchanges.put(CurrencyPair.BTC_CNY, ExchangeFactory.INSTANCE.createExchange(OkCoinExchange.class.getName()));

    // add more currencies/exchange pairs (btc/fiat) here
}