Files
kredits-web/app/services/exchange-rates.js
T
raucao dbedf1dbe8 Use new balance APIs from akkounts
* Use sats integer values instead of floats
* Add lightning Network account balance
* Use icons and titles/descriptions to discern between balance types
* Use more flexible config for balances (to add e.g. RBTC or BTC ecash
  later)
2024-01-12 14:59:57 +03:00

36 lines
1.0 KiB
JavaScript

import Service from '@ember/service';
import { tracked } from '@glimmer/tracking';
import config from 'kredits-web/config/environment';
// Need to go through proxy for CORS headers
const bitstampBaseUrl = `${config.corsProxy}https://www.bitstamp.net/api/v2`;
async function fetchFromBitstamp(currencyPair) {
try {
const res = await fetch(`${bitstampBaseUrl}/ticker/${currencyPair}/`).then(r => r.json());
return parseFloat(res.vwap); // Last 24 hours volume weighted average price
} catch(e) {
console.error('Could not fetch exchange rate from Bitstamp:', e);
return 0;
}
}
export default class ExchangeRatesService extends Service {
@tracked btceur = 0;
@tracked btcusd = 0;
get exchangeRatesLoaded () {
return (this.btceur !== 0) && (this.btcusd !== 0);
}
async fetchRates (source='bitstamp') {
if (this.exchangeRatesLoaded) return;
switch(source) {
case 'bitstamp':
this.btceur = await fetchFromBitstamp('btceur');
this.btcusd = await fetchFromBitstamp('btcusd');
}
}
}