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prices are based on xmr by translating bisq price service #18 (#61)

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woodser 2021-05-10 11:59:25 -04:00 committed by GitHub
parent 55f62f92dd
commit 3157891bbb
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1 changed files with 22 additions and 0 deletions
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22
core/src/main/java/bisq/core/provider/price/PriceProvider.java
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@ -17,6 +17,7 @@
package bisq.core.provider.price;
import bisq.core.locale.CurrencyUtil;
import bisq.core.provider.HttpClientProvider;
import bisq.network.http.HttpClient;
@ -68,7 +69,20 @@ public class PriceProvider extends HttpClientProvider {
tsMap.put("poloniexTs", ((Double) map.get("poloniexTs")).longValue());
tsMap.put("coinmarketcapTs", ((Double) map.get("coinmarketcapTs")).longValue());
// get btc per xmr price to convert all prices to xmr
// TODO (woodser): currently using bisq price feed, switch?
Double btcPerXmr = null;
List<?> list = (ArrayList<?>) map.get("data");
for (Object obj : list) {
LinkedTreeMap<?, ?> treeMap = (LinkedTreeMap<?, ?>) obj;
String currencyCode = (String) treeMap.get("currencyCode");
if ("XMR".equalsIgnoreCase(currencyCode)) {
btcPerXmr = (Double) treeMap.get("price");
break;
}
}
final double btcPerXmrFinal = btcPerXmr;
list.forEach(obj -> {
try {
LinkedTreeMap<?, ?> treeMap = (LinkedTreeMap<?, ?>) obj;
@ -76,6 +90,14 @@ public class PriceProvider extends HttpClientProvider {
double price = (Double) treeMap.get("price");
// json uses double for our timestampSec long value...
long timestampSec = MathUtils.doubleToLong((Double) treeMap.get("timestampSec"));
// convert price from btc to xmr
boolean isFiat = CurrencyUtil.isFiatCurrency(currencyCode);
if (isFiat) price = price * btcPerXmrFinal;
else price = price / btcPerXmrFinal;
// TODO (woodser): remove xmr from list since base currency and add btc, test by doing btc/xmr trade
marketPriceMap.put(currencyCode, new MarketPrice(currencyCode, price, timestampSec, true));
} catch (Throwable t) {
log.error(t.toString());