org.knowm.xchange.kucoin.KucoinBaseService Maven / Gradle / Ivy

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XChange implementation for the Kucoin Exchange
There is a newer version: 5.2.1
package org.knowm.xchange.kucoin;

import com.google.common.base.Strings;
import org.knowm.xchange.client.ExchangeRestProxyBuilder;
import org.knowm.xchange.kucoin.service.AccountAPI;
import org.knowm.xchange.kucoin.service.DepositAPI;
import org.knowm.xchange.kucoin.service.FillAPI;
import org.knowm.xchange.kucoin.service.HistOrdersAPI;
import org.knowm.xchange.kucoin.service.HistoryAPI;
import org.knowm.xchange.kucoin.service.KucoinApiException;
import org.knowm.xchange.kucoin.service.KucoinDigest;
import org.knowm.xchange.kucoin.service.OrderAPI;
import org.knowm.xchange.kucoin.service.OrderBookAPI;
import org.knowm.xchange.kucoin.service.SymbolAPI;
import org.knowm.xchange.kucoin.service.WebsocketAPI;
import org.knowm.xchange.kucoin.service.WithdrawalAPI;
import org.knowm.xchange.service.BaseExchangeService;
import org.knowm.xchange.service.BaseService;
import si.mazi.rescu.SynchronizedValueFactory;

public class KucoinBaseService extends BaseExchangeService implements BaseService {

  protected final SymbolAPI symbolApi;
  protected final OrderBookAPI orderBookApi;
  protected final HistoryAPI historyApi;
  protected final AccountAPI accountApi;
  protected final WithdrawalAPI withdrawalAPI;
  protected final DepositAPI depositAPI;
  protected final OrderAPI orderApi;
  protected final FillAPI fillApi;
  protected final HistOrdersAPI histOrdersApi;
  protected final WebsocketAPI websocketAPI;

  protected KucoinDigest digest;
  protected String apiKey;
  protected String passphrase;
  protected SynchronizedValueFactory nonceFactory;

  protected KucoinBaseService(KucoinExchange exchange) {
    super(exchange);
    this.symbolApi = service(exchange, SymbolAPI.class);
    this.orderBookApi = service(exchange, OrderBookAPI.class);
    this.historyApi = service(exchange, HistoryAPI.class);
    this.accountApi = service(exchange, AccountAPI.class);
    this.withdrawalAPI = service(exchange, WithdrawalAPI.class);
    this.depositAPI = service(exchange, DepositAPI.class);
    this.orderApi = service(exchange, OrderAPI.class);
    this.fillApi = service(exchange, FillAPI.class);
    this.histOrdersApi = service(exchange, HistOrdersAPI.class);
    this.websocketAPI = service(exchange, WebsocketAPI.class);

    this.digest = KucoinDigest.createInstance(exchange.getExchangeSpecification().getSecretKey());
    this.apiKey = exchange.getExchangeSpecification().getApiKey();
    this.passphrase =
        (String)
            exchange.getExchangeSpecification().getExchangeSpecificParametersItem("passphrase");
    this.nonceFactory = exchange.getNonceFactory();
  }

  private  T service(KucoinExchange exchange, Class clazz) {
    return ExchangeRestProxyBuilder.forInterface(clazz, exchange.getExchangeSpecification())
        .build();
  }

  protected void checkAuthenticated() {
    if (Strings.isNullOrEmpty(this.apiKey)) throw new KucoinApiException("Missing API key");
    if (this.digest == null) throw new KucoinApiException("Missing secret key");
    if (Strings.isNullOrEmpty(this.passphrase)) throw new KucoinApiException("Missing passphrase");
  }
}