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

Example 1 with CurrencyPairMetaData

use of org.knowm.xchange.dto.meta.CurrencyPairMetaData 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 CurrencyPairMetaData

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

the class LatokenAdapters method adaptPairMetaData.

public static CurrencyPairMetaData adaptPairMetaData(LatokenPair latokenPair) {
    BigDecimal tradingFee = latokenPair.getTakerFee();
    BigDecimal minAmount = latokenPair.getMinOrderAmount().setScale(latokenPair.getAmountPrecision(), RoundingMode.HALF_DOWN);
    int priceScale = latokenPair.getPricePrecision();
    return new CurrencyPairMetaData(tradingFee, minAmount, null, priceScale, null);
}

Example 3 with CurrencyPairMetaData

use of org.knowm.xchange.dto.meta.CurrencyPairMetaData 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 4 with CurrencyPairMetaData

use of org.knowm.xchange.dto.meta.CurrencyPairMetaData 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 5 with CurrencyPairMetaData

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

the class LatokenExchange method addCurrencyPairMetadata.

/**
 * Updates the meta-data entry of a given {@link CurrencyPair}. <br>
 * Used for overriding the static meta-data with dynamic one received from the exchange.
 *
 * @param pairs
 * @param pair
 * @param precision
 */
private void addCurrencyPairMetadata(Map<CurrencyPair, CurrencyPairMetaData> pairs, CurrencyPair pair, CurrencyPairMetaData pairMetadata) {
    CurrencyPairMetaData baseMetaData = pairs.get(pair);
    // Preserve MaxAmount if exists
    BigDecimal maxAmount = baseMetaData == null ? pairMetadata.getMaximumAmount() : baseMetaData.getMaximumAmount();
    // Override static meta-data
    pairs.put(pair, new CurrencyPairMetaData.Builder().tradingFee(pairMetadata.getTradingFee()).minimumAmount(pairMetadata.getMinimumAmount()).maximumAmount(maxAmount).priceScale(pairMetadata.getPriceScale()).build());
}