Bugfix/fix currency inconsistency with usx (#1094)

* Support USX

* Update changelog

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Fixed
+
+- Fixed an issue with the currency inconsistency in the _Yahoo Finance_ service (convert from `USX` to `USD`)
+
 ## 1.172.0 - 23.07.2022
 
 ### Added

apps/api/src/services/data-provider/yahoo-finance/yahoo-finance.service.ts

@@ -266,6 +266,16 @@ export class YahooFinanceService implements DataProviderInterface {
         }
       }
 
+      if (yahooFinanceSymbols.includes('USDUSX=X')) {
+        // Convert USD to USX (cent)
+        response['USDUSX'] = {
+          currency: 'USX',
+          dataSource: this.getName(),
+          marketPrice: new Big(1).mul(100).toNumber(),
+          marketState: 'open'
+        };
+      }
+
       return response;
     } catch (error) {
       Logger.error(error, 'YahooFinanceService');

apps/api/src/services/exchange-rate-data.service.ts

@@ -122,15 +122,6 @@ export class ExchangeRateDataService {
       return 0;
     }
 
-    const hasNaN = Object.values(this.exchangeRates).some((exchangeRate) => {
-      return isNaN(exchangeRate);
-    });
-
-    if (hasNaN) {
-      // Reinitialize if data is not loaded correctly
-      this.initialize();
-    }
-
     let factor = 1;
 
     if (aFromCurrency !== aToCurrency) {