Examples with ExchangeMetaData org.knowm.xchange.dto.meta.ExchangeMetaData used on opensource projects

Example 16 with ExchangeMetaData

use of org.knowm.xchange.dto.meta.ExchangeMetaData in project XChange by knowm.

the class BitflyerAdapters method adaptMetaData.

public static ExchangeMetaData adaptMetaData(List<BitflyerMarket> markets) {
    Map<CurrencyPair, CurrencyPairMetaData> currencyPairs = new HashMap<>();
    Map<Currency, CurrencyMetaData> currencies = new HashMap<>();
    for (BitflyerMarket market : markets) {
        CurrencyPair pair = adaptCurrencyPair(market.getProductCode());
        currencyPairs.put(pair, null);
    }
    return new ExchangeMetaData(currencyPairs, currencies, null, null, false);
}

Example 17 with ExchangeMetaData

use of org.knowm.xchange.dto.meta.ExchangeMetaData in project XChange by knowm.

the class KucoinMarketDataServiceIntegration method testGetMarketData.

@Test
public void testGetMarketData() throws Exception {
    KucoinExchange exchange = exchange();
    ExchangeMetaData exchangeMetaData = exchange.getExchangeMetaData();
    exchangeMetaData.getCurrencyPairs().entrySet().forEach(pair -> {
        assertThat(pair.getValue().getMinimumAmount()).isNotNull();
        assertThat(pair.getValue().getMaximumAmount()).isNotNull();
        assertThat(pair.getValue().getCounterMinimumAmount()).isNotNull();
        assertThat(pair.getValue().getCounterMaximumAmount()).isNotNull();
        assertThat(pair.getValue().getBaseScale()).isNotNull();
        assertThat(pair.getValue().getPriceScale()).isNotNull();
        assertThat(pair.getValue().getTradingFeeCurrency()).isNotNull();
    });
}

Example 18 with ExchangeMetaData

use of org.knowm.xchange.dto.meta.ExchangeMetaData in project XChange by knowm.

the class BitfinexAdapters method adaptMetaData.

public static ExchangeMetaData adaptMetaData(List<CurrencyPair> currencyPairs, ExchangeMetaData metaData) {
    Map<CurrencyPair, CurrencyPairMetaData> pairsMap = metaData.getCurrencyPairs();
    Map<Currency, CurrencyMetaData> currenciesMap = metaData.getCurrencies();
    // Remove pairs that are no-longer in use
    pairsMap.keySet().retainAll(currencyPairs);
    // Remove currencies that are no-longer in use
    Set<Currency> currencies = currencyPairs.stream().flatMap(pair -> Stream.of(pair.base, pair.counter)).collect(Collectors.toSet());
    currenciesMap.keySet().retainAll(currencies);
    // Add missing pairs and currencies
    for (CurrencyPair c : currencyPairs) {
        if (!pairsMap.containsKey(c)) {
            pairsMap.put(c, null);
        }
        if (!currenciesMap.containsKey(c.base)) {
            currenciesMap.put(c.base, new CurrencyMetaData(2, // When missing, add default meta-data with scale of 2 (Bitfinex's minimal
            null));
        // scale)
        }
        if (!currenciesMap.containsKey(c.counter)) {
            currenciesMap.put(c.counter, new CurrencyMetaData(2, null));
        }
    }
    return metaData;
}

Example 19 with ExchangeMetaData

use of org.knowm.xchange.dto.meta.ExchangeMetaData in project XChange by knowm.

the class BitfinexAdapters method adaptMetaData.

public static ExchangeMetaData adaptMetaData(BitfinexAccountInfosResponse[] bitfinexAccountInfos, ExchangeMetaData exchangeMetaData) {
    final Map<CurrencyPair, CurrencyPairMetaData> currencyPairs = exchangeMetaData.getCurrencyPairs();
    // lets go with the assumption that the trading fees are common across all trading pairs for
    // now.
    // also setting the taker_fee as the trading_fee for now.
    final CurrencyPairMetaData metaData = new CurrencyPairMetaData(bitfinexAccountInfos[0].getTakerFees().movePointLeft(2), null, null, null, null);
    currencyPairs.keySet().parallelStream().forEach(currencyPair -> currencyPairs.merge(currencyPair, metaData, (oldMetaData, newMetaData) -> new CurrencyPairMetaData(newMetaData.getTradingFee(), oldMetaData.getMinimumAmount(), oldMetaData.getMaximumAmount(), oldMetaData.getPriceScale(), oldMetaData.getFeeTiers())));
    return exchangeMetaData;
}

Example 20 with ExchangeMetaData

use of org.knowm.xchange.dto.meta.ExchangeMetaData in project XChange by knowm.

the class CoinbaseProMetadataTest method unmarshalTest.

// @Test
public void unmarshalTest() throws IOException {
    JacksonObjectMapperFactory factory = new DefaultJacksonObjectMapperFactory();
    ObjectMapper mapper = factory.createObjectMapper();
    InputStream is = getClass().getResourceAsStream("/org/knowm/xchange/coinbasepro/dto/products.json");
    CoinbaseProProduct[] products = mapper.readValue(is, CoinbaseProProduct[].class);
    assertThat(products).hasSize(10);
    ExchangeSpecification specification = new ExchangeSpecification(CoinbaseProExchange.class);
    specification.setShouldLoadRemoteMetaData(false);
    Exchange exchange = ExchangeFactory.INSTANCE.createExchange(specification);
    ExchangeMetaData exchangeMetaData = exchange.getExchangeMetaData();
    exchangeMetaData = CoinbaseProAdapters.adaptToExchangeMetaData(exchangeMetaData, products, new CoinbaseProCurrency[] {});
    assertThat(exchangeMetaData.getCurrencyPairs().get(CurrencyPair.ETC_BTC).getPriceScale()).isEqualTo(5);
}