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

Example 1 with CurrencyMetaData

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

the class BitstampAdapters method adaptMetaData.

public static ExchangeMetaData adaptMetaData(List<BitstampPairInfo> rawSymbols, ExchangeMetaData metaData) {
    Map<CurrencyPair, CurrencyPairMetaData> currencyPairs = adaptCurrencyPairs(rawSymbols);
    Map<CurrencyPair, CurrencyPairMetaData> pairsMap = metaData.getCurrencyPairs();
    Map<Currency, CurrencyMetaData> currenciesMap = metaData.getCurrencies();
    for (Map.Entry<CurrencyPair, CurrencyPairMetaData> entry : currencyPairs.entrySet()) {
        CurrencyPair c = entry.getKey();
        CurrencyPairMetaData cmeta = entry.getValue();
        if (!pairsMap.containsKey(c)) {
            pairsMap.put(c, cmeta);
        } else {
            pairsMap.replace(c, cmeta);
        }
        if (!currenciesMap.containsKey(c.base)) {
            currenciesMap.put(c.base, null);
        }
        if (!currenciesMap.containsKey(c.counter)) {
            currenciesMap.put(c.counter, null);
        }
    }
    return metaData;
}

Example 2 with CurrencyMetaData

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

the class LgoAdapters method adaptMetadata.

public static ExchangeMetaData adaptMetadata(ExchangeMetaData metaData, LgoProducts products, LgoCurrencies currencies) {
    Map<CurrencyPair, CurrencyPairMetaData> currencyPairs = metaData.getCurrencyPairs();
    Map<Currency, CurrencyMetaData> currency = metaData.getCurrencies();
    for (LgoCurrency lgoCurrency : currencies.getCurrencies()) {
        currency.put(Currency.getInstance(lgoCurrency.getCode()), new CurrencyMetaData(lgoCurrency.getDecimals(), null));
    }
    for (LgoProduct product : products.getProducts()) {
        BigDecimal minAmount = product.getBase().getLimits().getMin();
        BigDecimal maxAmount = product.getBase().getLimits().getMax();
        Integer baseScale = currency.get(Currency.getInstance(product.getBase().getId())).getScale();
        BigDecimal increment = product.getQuote().getIncrement().stripTrailingZeros();
        currencyPairs.put(toPair(product), new CurrencyPairMetaData(null, minAmount, maxAmount, null, null, baseScale, increment.scale(), null, new FeeTier[0], increment, Currency.USD, true));
    }
    return metaData;
}

Example 3 with CurrencyMetaData

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

the class LatokenExchange method remoteInit.

@Override
public void remoteInit() {
    try {
        // Load the static meta-data and override with the dynamic one
        Map<Currency, CurrencyMetaData> currenciesMetaData = exchangeMetaData.getCurrencies();
        Map<CurrencyPair, CurrencyPairMetaData> pairsMetaData = exchangeMetaData.getCurrencyPairs();
        List<LatokenPair> allPairs = latoken.getAllPairs();
        List<LatokenCurrency> allCurrencies = latoken.getAllCurrencies();
        // Save pairs map on the exchange
        this.exchangeSpecification.setExchangeSpecificParametersItem("pairs", allPairs);
        // Update Currency meta-data
        for (LatokenCurrency latokenCurrency : allCurrencies) {
            Currency currency = LatokenAdapters.adaptCurrency(latokenCurrency);
            addCurrencyMetadata(currenciesMetaData, currency, PRECISION);
        }
        // Update CurrencyPair meta-data
        for (LatokenPair latokenPair : allPairs) {
            CurrencyPair pair = LatokenAdapters.adaptCurrencyPair(latokenPair);
            CurrencyPairMetaData pairMetadata = LatokenAdapters.adaptPairMetaData(latokenPair);
            addCurrencyPairMetadata(pairsMetaData, pair, pairMetadata);
        }
    } catch (Exception e) {
        throw new ExchangeException("Failed to initialize: " + e.getMessage(), e);
    }
}

Example 4 with CurrencyMetaData

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

the class LatokenExchange method addCurrencyMetadata.

/**
 * Updates the meta-data entry of a given {@link Currency}. <br>
 * Used for overriding the static meta-data with dynamic one received from the exchange.
 *
 * @param currencies
 * @param currency
 * @param precision
 */
private void addCurrencyMetadata(Map<Currency, CurrencyMetaData> currencies, Currency currency, int precision) {
    CurrencyMetaData baseMetaData = currencies.get(currency);
    // Preserve withdrawal-fee if exists
    BigDecimal withdrawalFee = baseMetaData == null ? null : baseMetaData.getWithdrawalFee();
    // Override static meta-data
    currencies.put(currency, new CurrencyMetaData(precision, withdrawalFee));
}

Example 5 with CurrencyMetaData

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

the class AccountServiceIntegration method testMetaData.

@Test
public void testMetaData() throws Exception {
    Map<CurrencyPair, CurrencyPairMetaData> currencyPairs = exchange.getExchangeMetaData().getCurrencyPairs();
    Map<Currency, CurrencyMetaData> currencies = exchange.getExchangeMetaData().getCurrencies();
    CurrencyPair currPair;
    Currency curr;
    currPair = currencyPairs.keySet().stream().filter(cp -> "ETH/BTC".equals(cp.toString())).collect(StreamUtils.singletonCollector());
    Assert.assertNotNull(currPair);
    curr = currencies.keySet().stream().filter(c -> Currency.BTC.equals(c)).collect(StreamUtils.singletonCollector());
    Assert.assertNotNull(curr);
    Assert.assertNotNull(curr);
}