fix(deriv_feature_flag): remove env dependancy

packages/deriv_feature_flag/lib/feature_flag/feature_flag_config.dart

@@ -15,11 +15,19 @@ class FeatureFlagConfig {
   /// Force specific experiments to always assign a specific variation (QA).
   final Map<String, int> forcedVariations;
 
+  /// Feature flag service host url
+  final String hostUrl;
+
+  /// Feature flag service client key
+  final String clientKey;
+
   FeatureFlagConfig({
     this.attributes = const <String, dynamic>{},
     this.qaMode = false,
     this.enable = true,
     this.forcedVariations = const <String, int>{},
     this.features = const {},
+    required this.hostUrl,
+    required this.clientKey,
   });
 }

packages/deriv_feature_flag/lib/growthbook/deriv_growth_book.dart

@@ -10,8 +10,8 @@ class DerivGrowthBook extends BaseGrowthBook implements GrowthBookConfig {
 
   DerivGrowthBook({required FeatureFlagConfig featureFlagConfig}) {
     _gbsdkBuilderApp = GBSDKBuilderApp(
-      hostURL: GrowthBookConfig.gbHostUrl,
-      apiKey: GrowthBookConfig.gbClientKey,
+      hostURL: featureFlagConfig.hostUrl,
+      apiKey: featureFlagConfig.clientKey,
       attributes: featureFlagConfig.attributes,
       enable: featureFlagConfig.enable,
       qaMode: featureFlagConfig.qaMode,

packages/deriv_feature_flag/lib/growthbook/growth_book_config.dart

@@ -1,15 +1,8 @@
 import 'dart:developer' as logger;
-import 'package:deriv_env/env.dart';
 import 'package:growthbook_sdk_flutter/growthbook_sdk_flutter.dart';
 
 /// A class that contains the whole GrowthBook config data.
 class GrowthBookConfig {
-  /// Determine the GrowthBook client api key.
-  static String get gbClientKey => Env().get<String>('GROWTHBOOK_API_KEY');
-
-  /// Determine the Growth Book Host URL.
-  static String get gbHostUrl => Env().get<String>('GROWTHBOOK_HOST_URL');
-
   /// Convert client side FeatureFlags to GrowthBook FeatureFlags.
   static Map<String, GBFeature> gbFeatures(Map<String, dynamic> features) {
     if (features.isEmpty) {

packages/deriv_feature_flag/pubspec.yaml

@@ -1,17 +1,12 @@
 name: deriv_feature_flag
-description: A new Flutter package project.
+description: wrapper to handle feature flag for deriv applications
 version: 0.1.0
 publish_to: none
 
 environment:
   sdk: ">=3.0.0 <4.0.0"
 
 dependencies:
-  deriv_env:
-    git:
-      url: [email protected]:regentmarkets/flutter-deriv-packages.git
-      path: packages/deriv_env
-      ref: deriv_env-v0.0.1+1
   flutter:
     sdk: flutter
   growthbook_sdk_flutter: ^3.0.0+0

packages/deriv_feature_flag/test/feature_flag/deriv_feature_flag_test.dart

@@ -10,6 +10,8 @@ import 'mock_classes.dart';
 
 void main() async {
   final FeatureFlagConfig featureFlagConfig = FeatureFlagConfig(
+    hostUrl: '',
+    clientKey: '',
     features: {
       Features.isSocialAuthEnabled.key: GBFeature(defaultValue: true),
     },

packages/deriv_feature_flag/test/feature_flag/feature_flag_repository_test.dart

@@ -10,6 +10,8 @@ import 'mock_classes.dart';
 void main() {
   final mockGrowthBookSDK = MockGrowthBookSDK();
   final FeatureFlagConfig featureFlagConfig = FeatureFlagConfig(
+    hostUrl: '',
+    clientKey: '',
     features: {
       Features.isSocialAuthEnabled.key: GBFeature(defaultValue: true),
     },