public BitfinexOfferStatusResponse cancelBitfinexOffer(String offerId) throws IOException {
try {
BitfinexOfferStatusResponse cancelResponse =
bitfinex.cancelOffer(apiKey, payloadCreator, signatureCreator, new BitfinexCancelOfferRequest(String.valueOf(nextNonce()), Integer.valueOf(offerId)));
return cancelResponse;
} catch (BitfinexException e) {
throw new ExchangeException(e.getMessage());
}
}