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Save bisq aggregate exchange rates in the database for each new block

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This commit is contained in:
nymkappa
2022-05-25 10:51:35 +02:00
parent b91654886a
commit 875040c329
4 changed files with 59 additions and 11 deletions
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28
backend/src/api/fiat-conversion.ts
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@@ -6,12 +6,19 @@ import backendInfo from './backend-info';
import { SocksProxyAgent } from 'socks-proxy-agent';
class FiatConversion {
private conversionRates: IConversionRates = {
'USD': 0
};
private debasingFiatCurrencies = ['AED', 'AUD', 'BDT', 'BHD', 'BMD', 'BRL', 'CAD', 'CHF', 'CLP',
'CNY', 'CZK', 'DKK', 'EUR', 'GBP', 'HKD', 'HUF', 'IDR', 'ILS', 'INR', 'JPY', 'KRW', 'KWD',
'LKR', 'MMK', 'MXN', 'MYR', 'NGN', 'NOK', 'NZD', 'PHP', 'PKR', 'PLN', 'RUB', 'SAR', 'SEK',
'SGD', 'THB', 'TRY', 'TWD', 'UAH', 'USD', 'VND', 'ZAR'];
private conversionRates: IConversionRates = {};
private ratesChangedCallback: ((rates: IConversionRates) => void) | undefined;
public ratesInitialized = false; // If true, it means rates are ready for use
constructor() { }
constructor() {
for (const fiat of this.debasingFiatCurrencies) {
this.conversionRates[fiat] = 0;
}
}
public setProgressChangedCallback(fn: (rates: IConversionRates) => void) {
this.ratesChangedCallback = fn;
@@ -62,13 +69,14 @@ class FiatConversion {
response = await axios.get(fiatConversionUrl, { headers: headers, timeout: 10000 });
}
const usd = response.data.data.find((item: any) => item.currencyCode === 'USD');
for (const rate of response.data.data) {
if (this.debasingFiatCurrencies.includes(rate.currencyCode) && rate.provider === 'Bisq-Aggregate') {
this.conversionRates[rate.currencyCode] = Math.round(100 * rate.price) / 100;
}
}
this.conversionRates = {
'USD': usd.price,
};
logger.debug(`USD Conversion Rate: ${usd.price}`);
this.ratesInitialized = true;
logger.debug(`USD Conversion Rate: ${this.conversionRates.USD}`);
if (this.ratesChangedCallback) {
this.ratesChangedCallback(this.conversionRates);