public OkCoinFutureComment getFuturesIndex(CurrencyPair currencyPair) throws IOException {
    return okCoin.getFuturesIndex("1", OkCoinAdapters.adaptSymbol(currencyPair));
  }
public OkCoinFutureComment getFuturesIndex ( CurrencyPair currencyPair ) throws IOException { return okCoin . getFuturesIndex ( "1" , OkCoinAdapters . adaptSymbol ( currencyPair ) ) ; }
获取OKEx合约指数信息

@param currencyPair
@return
@throws IOException