Add fiatApiKey (#858)

.github/workflows/pr_test_build.yml

@@ -114,6 +114,7 @@ jobs:
           echo "const trocadorApiKey = '${{ secrets.TROCADOR_API_KEY }}';" >> lib/.secrets.g.dart
           echo "const trocadorExchangeMarkup = '${{ secrets.TROCADOR_EXCHANGE_MARKUP }}';" >> lib/.secrets.g.dart
           echo "const anonPayReferralCode = '${{ secrets.ANON_PAY_REFERRAL_CODE }}';" >> lib/.secrets.g.dart
+          echo "const fiatApiKey = '${{ secrets.FIAT_API_KEY }}';" >> lib/.secrets.g.dart
 
       - name: Rename app
         run: echo -e "id=com.cakewallet.test\nname=$GITHUB_HEAD_REF" > /opt/android/cake_wallet/android/app.properties

lib/core/fiat_conversion_service.dart

@@ -3,6 +3,8 @@ import 'package:cake_wallet/entities/fiat_currency.dart';
 import 'dart:convert';
 import 'package:flutter/foundation.dart';
 import 'package:http/http.dart';
+import 'package:cake_wallet/.secrets.g.dart' as secrets;
+
 
 const _fiatApiClearNetAuthority = 'fiat-api.cakewallet.com';
 const _fiatApiOnionAuthority = 'n4z7bdcmwk2oyddxvzaap3x2peqcplh3pzdy7tpkk5ejz5n4mhfvoxqd.onion';
@@ -17,6 +19,7 @@ Future<double> _fetchPrice(Map<String, dynamic> args) async {
     'interval_count': '1',
     'base': crypto.toString(),
     'quote': fiat.toString(),
+    'key' : secrets.fiatApiKey,
   };
 
   double price = 0.0;

tool/utils/secret_key.dart

@@ -27,7 +27,9 @@ class SecretKey {
     SecretKey('trocadorApiKey', () => ''),
     SecretKey('trocadorExchangeMarkup', () => ''),
     SecretKey('twitterBearerToken', () => ''),
-    SecretKey('anonPayReferralCode', () => '')
+    SecretKey('anonPayReferralCode', () => ''),
+    SecretKey('fiatApiKey', () => '')
+
   ];
 
   final String name;