Move quote currency string into config

packages/website/ts/components/wallet/wallet.tsx

@@ -526,10 +526,9 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
             ),
         );
         const joinedTokenSymbols = _.keys(tokenAddressBySymbol).join(',');
-        const quoteCurrency = 'USD';
         const queryParams = {
             fsyms: joinedTokenSymbols,
-            tsyms: quoteCurrency,
+            tsyms: configs.FIAT_QUOTE_CURRENCY_SYMBOL,
         };
         try {
             this._cryptoCompareLastFetchTimestampMs = Date.now();
@@ -542,7 +541,7 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
                 _.get(tokenAddressBySymbol, symbol),
             );
             const result = _.mapValues(priceInfoByAddress, priceInfo => {
-                const price = _.get(priceInfo, quoteCurrency);
+                const price = _.get(priceInfo, configs.FIAT_QUOTE_CURRENCY_SYMBOL);
                 const priceBigNumber = new BigNumber(price);
                 return priceBigNumber;
             });

packages/website/ts/utils/configs.ts

@@ -14,6 +14,7 @@ export const configs = {
     BASE_URL,
     BITLY_ACCESS_TOKEN: 'ffc4c1a31e5143848fb7c523b39f91b9b213d208',
     CRYPTO_COMPARE_BASE_URL: 'https://min-api.cryptocompare.com/data',
+    FIAT_QUOTE_CURRENCY_SYMBOL: 'USD',
     DEFAULT_DERIVATION_PATH: `44'/60'/0'`,
     // WARNING: ZRX & WETH MUST always be default trackedTokens
     DEFAULT_TRACKED_TOKEN_SYMBOLS: ['WETH', 'ZRX'],