Files
kredits-web/app/services/exchange-rates.js
T

30 lines
917 B
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;
async fetchRates (source='bitstamp') {
switch(source) {
case 'bitstamp':
this.btceur = await fetchFromBitstamp('btceur');
this.btcusd = await fetchFromBitstamp('btcusd');
}
}
}