117 lines
3.7 KiB
Java
117 lines
3.7 KiB
Java
package com.generalbytes.batm.server.extensions.extra.dash.sources.coinmarketcap;
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import com.generalbytes.batm.server.extensions.Currencies;
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import com.generalbytes.batm.server.extensions.IRateSource;
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import java.math.BigDecimal;
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import java.util.HashSet;
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import java.util.Set;
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import java.util.HashMap;
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import java.util.Map;
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import si.mazi.rescu.RestProxyFactory;
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/**
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* Created by kkyovsky on 11/29/17.
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*
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* Modified by sidhujag on 6/3/2018
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*/
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public class CoinmarketcapRateSource implements IRateSource {
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private ICoinmarketcapAPI api;
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private static HashMap<String,Integer> coinIDs = new HashMap<String, Integer>();
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private String preferredFiatCurrency = Currencies.USD;
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public CoinmarketcapRateSource(String preferedFiatCurrency) {
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this();
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if (Currencies.EUR.equalsIgnoreCase(preferedFiatCurrency)) {
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this.preferredFiatCurrency = Currencies.EUR;
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}
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if (Currencies.USD.equalsIgnoreCase(preferedFiatCurrency)) {
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this.preferredFiatCurrency = Currencies.USD;
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}
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if (Currencies.CAD.equalsIgnoreCase(preferedFiatCurrency)) {
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this.preferredFiatCurrency = Currencies.CAD;
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}
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coinIDs.put(Currencies.BTC, 1);
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coinIDs.put(Currencies.SYS, 541);
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coinIDs.put(Currencies.BCH, 1831);
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coinIDs.put(Currencies.BTX, 1654);
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coinIDs.put(Currencies.LTC, 2);
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coinIDs.put(Currencies.ETH, 1027);
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coinIDs.put(Currencies.DASH, 131);
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coinIDs.put(Currencies.XMR, 328);
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coinIDs.put(Currencies.POT, 122);
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coinIDs.put(Currencies.FLASH, 1755);
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coinIDs.put(Currencies.BTCP, 2575);
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coinIDs.put(Currencies.EFL, 234);
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}
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public CoinmarketcapRateSource() {
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api = RestProxyFactory.createProxy(ICoinmarketcapAPI.class, "https://api.coinmarketcap.com");
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}
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@Override
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public Set<String> getCryptoCurrencies() {
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Set<String> result = new HashSet<String>();
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result.add(Currencies.BTC);
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result.add(Currencies.SYS);
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result.add(Currencies.BCH);
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result.add(Currencies.BTX);
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result.add(Currencies.LTC);
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result.add(Currencies.ETH);
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result.add(Currencies.DASH);
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result.add(Currencies.XMR);
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result.add(Currencies.POT);
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result.add(Currencies.FLASH);
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result.add(Currencies.BTCP);
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result.add(Currencies.EFL);
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return result;
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}
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@Override
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public Set<String> getFiatCurrencies() {
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Set<String> result = new HashSet<String>();
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result.add(Currencies.USD);
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result.add(Currencies.CAD);
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result.add(Currencies.EUR);
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return result;
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}
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@Override
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public String getPreferredFiatCurrency() {
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return Currencies.USD;
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}
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@Override
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public BigDecimal getExchangeRateLast(String cryptoCurrency, String fiatCurrency) {
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if (!getFiatCurrencies().contains(fiatCurrency)) {
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return null;
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}
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Integer cryptoId = coinIDs.get(cryptoCurrency);
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if(cryptoId == null){
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return null;
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}
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Map<String, Object> ticker = api.getTickers(cryptoId, fiatCurrency);
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if(ticker == null){
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return null;
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}
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Map<String, Object> data = (Map<String, Object>) ticker.get("data");
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if(data == null){
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return null;
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}
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Map<String, Object> quotes = (Map<String, Object>) data.get("quotes");
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if(quotes == null){
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return null;
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}
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Map<String, Object> quote = (Map<String, Object>) quotes.get(fiatCurrency);
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if(quote == null){
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return null;
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}
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double price = (double) quote.get("price");
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return new BigDecimal(price).setScale(2, BigDecimal.ROUND_HALF_EVEN);
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}
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}
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