Remove FTX from the price feeds

backend/src/tasks/price-feeds/ftx-api.ts

@@ -1,43 +0,0 @@
-import { query } from '../../utils/axios-query';
-import priceUpdater, { PriceFeed, PriceHistory } from '../price-updater';
-
-class FtxApi implements PriceFeed {
-  public name: string = 'FTX';
-  public currencies: string[] = ['USD', 'BRZ', 'EUR', 'JPY', 'AUD'];
-
-  public url: string = 'https://ftx.com/api/markets/BTC/';
-  public urlHist: string = 'https://ftx.com/api/markets/BTC/{CURRENCY}/candles?resolution={GRANULARITY}';
-
-  constructor() {
-  }
-
-  public async $fetchPrice(currency): Promise<number> {
-    const response = await query(this.url + currency);
-    return response ? parseInt(response['result']['last'], 10) : -1;
-  }
-
-  public async $fetchRecentPrice(currencies: string[], type: 'hour' | 'day'): Promise<PriceHistory> {
-    const priceHistory: PriceHistory = {};
-
-    for (const currency of currencies) {
-      if (this.currencies.includes(currency) === false) {
-        continue;
-      }
-
-      const response = await query(this.urlHist.replace('{GRANULARITY}', type === 'hour' ? '3600' : '86400').replace('{CURRENCY}', currency));
-      const pricesRaw = response ? response['result'] : [];
-
-      for (const price of pricesRaw as any[]) {
-        const time = Math.round(price['time'] / 1000);
-        if (priceHistory[time] === undefined) {
-          priceHistory[time] = priceUpdater.getEmptyPricesObj();
-        }
-        priceHistory[time][currency] = price['close'];
-      }
-    }
-
-    return priceHistory;
-  }
-}
-
-export default FtxApi;