44 lines
1.4 KiB
TypeScript
44 lines
1.4 KiB
TypeScript
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import { query } from '../../utils/axios-query';
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import priceUpdater, { PriceFeed, PriceHistory } from '../price-updater';
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class BitfinexApi implements PriceFeed {
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public name: string = 'Bitfinex';
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public currencies: string[] = ['USD', 'EUR', 'GPB', 'JPY'];
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public url: string = 'https://api.bitfinex.com/v1/pubticker/BTC';
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public urlHist: string = 'https://api-pub.bitfinex.com/v2/candles/trade:{GRANULARITY}:tBTC{CURRENCY}/hist';
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constructor() {
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}
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public async $fetchPrice(currency): Promise<number> {
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const response = await query(this.url + currency);
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return response ? parseInt(response['last_price'], 10) : -1;
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}
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public async $fetchRecentHourlyPrice(currencies: string[]): Promise<PriceHistory> {
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const priceHistory: PriceHistory = {};
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for (const currency of currencies) {
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if (this.currencies.includes(currency) === false) {
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continue;
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}
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const response = await query(this.urlHist.replace('{GRANULARITY}', '1h').replace('{CURRENCY}', currency));
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const pricesRaw = response ? response : [];
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for (const price of pricesRaw as any[]) {
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const time = Math.round(price[0] / 1000);
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if (priceHistory[time] === undefined) {
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priceHistory[time] = priceUpdater.getEmptyPricesObj();
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}
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priceHistory[time][currency] = price[2];
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}
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}
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return priceHistory;
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}
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}
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export default BitfinexApi;
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