Change TPIn #3

lib/api/services/change_password_service.dart

@@ -67,4 +67,21 @@ class ChangePasswordService {
     }
     return response.toString();
   }
+
+  Future validateChangeTpin({
+    required String oldTpin,
+    required String newTpin,
+  }) async {
+    final response = await _dio.post(
+      '/api/auth/change/tpin',
+      data: {
+        'oldTpin': oldTpin,
+        'newTpin': newTpin,
+      },
+    );
+    if (response.statusCode != 200) {
+      throw Exception("Wrong OTP");
+    }
+    return response.toString();
+  }
 }