feat: Add graphql to axs client

logic/lib/src/data/api/client/web3_client.dart

@@ -1,3 +1,4 @@
+import 'package:graphql_flutter/graphql_flutter.dart';
 import 'package:http/http.dart';
 import 'package:http_interceptor/http_interceptor.dart';
 import 'package:meta/meta.dart';
@@ -58,4 +59,31 @@ class DatadashClient extends Web3Client {
           LoggingInterceptor(),
         ],
       );
+
+  GraphQLClient? _graphQLClient;
+
+  GraphQLClient get graphQLClient {
+    final chainId = _getNetwork().chainId;
+
+    if (!Config.isMxcChains(chainId)) {
+      throw 'Accessing graphQL for chains other than MXC chains';
+    }
+    final mepUrl = Urls.getMepGraphQlLink(chainId);
+
+    late GraphQLClient finalGraphqlClient;
+
+    if (_graphQLClient == null ||
+        ((_graphQLClient!.link as HttpLink).uri.toString() == mepUrl)) {
+      finalGraphqlClient = GraphQLClient(
+        link: HttpLink(
+          Urls.getMepGraphQlLink(_getNetwork().chainId),
+        ),
+        cache: GraphQLCache(),
+      );
+    } else {
+      finalGraphqlClient = _graphQLClient!;
+    }
+
+    return finalGraphqlClient;
+  }
 }

logic/lib/src/domain/const/config.dart

@@ -29,7 +29,9 @@ class Config {
   );
 
   static EthereumAddress getContractAddress(
-          MXCContacts contract, int chainId) =>
+    MXCContacts contract,
+    int chainId,
+  ) =>
       EthereumAddress.fromHex(getContractAddressString(contract, chainId));
 
   static String getContractAddressString(MXCContacts contract, int chainId) =>
@@ -144,13 +146,14 @@ class Config {
   static double dAppDoubleTapLowerBound = 0;
   static double dAppDoubleTapUpperBound = 200;
 
-  /// The frequency in which background process will be 
+  /// The frequency in which background process will be
   /// executed, NOTE : It's in minutes.
   static const axsBackgroundServiceInterval = 15;
 
   static const String axsPeriodicalTask = 'com.mxc.axswallet.periodicalTasks';
   static const String dappHookTasks = 'com.mxc.axswallet.dappHooksTasks';
-  static const String minerAutoClaimTask = 'com.mxc.axswallet.minerAutoClaimTask';
+  static const String minerAutoClaimTask =
+      'com.mxc.axswallet.minerAutoClaimTask';
   // Miner dApp transactions gas limit
   static const double minerDAppGasLimit = 750000;
 

logic/pubspec.yaml

@@ -20,6 +20,7 @@ dependencies:
   flutter:
     sdk: flutter
   graphql: ^5.1.3
+  graphql_flutter: ^5.1.2
   hex: ^0.2.0
   http: ^0.13.5
   http_interceptor: ^1.0.1