code: public CoinbasePrice getCoinbaseBuyPrice(Currency base, Currency counter) throws IOException {
  
      return coinbase.getBuyPrice(Coinbase.CB_VERSION_VALUE, base + "-" + counter).getData();
    }
docs: Unauthenticated resource that tells you the price to buy one unit.
  
  @param pair The currency pair.
  @return The price in the desired {@code currency} to buy one unit.
  @throws IOException
  @see <a
  href="https://developers.coinbase.com/api/v2#get-buy-price">developers.coinbase.com/api/v2#get-buy-price</a>