MercadoBitcoinTradeServiceRaw.java

package org.knowm.xchange.mercadobitcoin.service;

import java.io.IOException;
import java.math.BigDecimal;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

import org.knowm.xchange.Exchange;
import org.knowm.xchange.exceptions.ExchangeException;
import org.knowm.xchange.mercadobitcoin.MercadoBitcoinAuthenticated;
import org.knowm.xchange.mercadobitcoin.dto.MercadoBitcoinBaseTradeApiResult;
import org.knowm.xchange.mercadobitcoin.dto.trade.MercadoBitcoinCancelOrderResult;
import org.knowm.xchange.mercadobitcoin.dto.trade.MercadoBitcoinPlaceLimitOrderResult;
import org.knowm.xchange.mercadobitcoin.dto.trade.MercadoBitcoinUserOrders;

import si.mazi.rescu.RestProxyFactory;

/**
 * @author Felipe Micaroni Lalli
 */
public class MercadoBitcoinTradeServiceRaw extends MercadoBitcoinBaseService {

  private static final String GET_ORDER_LIST = "OrderList";
  private static final String TRADE = "Trade";
  private static final String CANCEL_ORDER = "CancelOrder";

  private final MercadoBitcoinAuthenticated mercadoBitcoinAuthenticated;

  /**
   * Constructor
   *
   * @param exchange
   */
  public MercadoBitcoinTradeServiceRaw(Exchange exchange) {

    super(exchange);
    this.mercadoBitcoinAuthenticated = RestProxyFactory.createProxy(MercadoBitcoinAuthenticated.class,
        exchange.getExchangeSpecification().getSslUri());
  }

  public MercadoBitcoinBaseTradeApiResult<MercadoBitcoinUserOrders> getMercadoBitcoinUserOrders(@Nonnull String pair, @Nullable String type,
      @Nullable String status, @Nullable String fromId, @Nullable String endId, @Nullable Long since, @Nullable Long end) throws IOException {

    String method = GET_ORDER_LIST;
    long tonce = exchange.getNonceFactory().createValue();

    MercadoBitcoinDigest signatureCreator = MercadoBitcoinDigest.createInstance(method, exchange.getExchangeSpecification().getPassword(),
        exchange.getExchangeSpecification().getSecretKey(), tonce);

    MercadoBitcoinBaseTradeApiResult<MercadoBitcoinUserOrders> userOrders = mercadoBitcoinAuthenticated.getOrderList(
        exchange.getExchangeSpecification().getApiKey(), signatureCreator, method, tonce, pair, type, status, fromId, endId, since, end);

    if (userOrders.getSuccess() == 0) {
      throw new ExchangeException("Error getting user orders: " + userOrders.getError());
    }

    return userOrders;
  }

  public MercadoBitcoinBaseTradeApiResult<MercadoBitcoinPlaceLimitOrderResult> mercadoBitcoinPlaceLimitOrder(@Nonnull String pair,
      @Nonnull String type, @Nonnull BigDecimal volume, @Nonnull BigDecimal price) throws IOException {

    String method = TRADE;
    long tonce = exchange.getNonceFactory().createValue();

    MercadoBitcoinDigest signatureCreator = MercadoBitcoinDigest.createInstance(method, exchange.getExchangeSpecification().getPassword(),
        exchange.getExchangeSpecification().getSecretKey(), tonce);

    MercadoBitcoinBaseTradeApiResult<MercadoBitcoinPlaceLimitOrderResult> newOrder = mercadoBitcoinAuthenticated
        .placeLimitOrder(exchange.getExchangeSpecification().getApiKey(), signatureCreator, method, tonce, pair, type, volume, price);

    if (newOrder.getSuccess() == 0) {
      throw new ExchangeException("Error creating a new order: " + newOrder.getError());
    }

    return newOrder;
  }

  /**
   * @param pair btc_brl or ltc_brl
   * @param orderId the order ID
   * @return See {@link org.knowm.xchange.mercadobitcoin.dto.trade.MercadoBitcoinCancelOrderResult} .
   * @throws IOException
   */
  public MercadoBitcoinBaseTradeApiResult<MercadoBitcoinCancelOrderResult> mercadoBitcoinCancelOrder(@Nonnull String pair, @Nonnull String orderId)
      throws IOException {

    String method = CANCEL_ORDER;
    long tonce = exchange.getNonceFactory().createValue();

    MercadoBitcoinDigest signatureCreator = MercadoBitcoinDigest.createInstance(method, exchange.getExchangeSpecification().getPassword(),
        exchange.getExchangeSpecification().getSecretKey(), tonce);

    MercadoBitcoinBaseTradeApiResult<MercadoBitcoinCancelOrderResult> result = mercadoBitcoinAuthenticated
        .cancelOrder(exchange.getExchangeSpecification().getApiKey(), signatureCreator, method, tonce, pair, orderId);

    if (result.getSuccess() == 0) {
      throw new ExchangeException("Error canceling a new order: " + result.getError());
    }

    return result;
  }

}