diff --git a/src/Controller/MailruAuthController.php b/src/Controller/MailruAuthController.php
index 04f3912..8764e24 100644
--- a/src/Controller/MailruAuthController.php
+++ b/src/Controller/MailruAuthController.php
@@ -118,7 +118,7 @@ class MailruAuthController extends ControllerBase {
 
     // If mailru client could not be obtained.
     if (!$mailru) {
-      drupal_set_message($this->t('Social Auth Mailru not configured properly. Contact site administrator.'), 'error');
+      \Drupal\Core\Messenger\MessengerInterface::addMessage($this->t('Social Auth Mailru not configured properly. Contact site administrator.'), 'error');
       return $this->redirect('user.login');
     }
 
@@ -146,7 +146,7 @@ class MailruAuthController extends ControllerBase {
     // Checks if user cancel login via Mailru.
     $error = $this->request->getCurrentRequest()->get('error');
     if ($error == 'access_denied') {
-      drupal_set_message($this->t('You could not be authenticated.'), 'error');
+      \Drupal\Core\Messenger\MessengerInterface::addMessage($this->t('You could not be authenticated.'), 'error');
       return $this->redirect('user.login');
     }
 
@@ -155,7 +155,7 @@ class MailruAuthController extends ControllerBase {
 
     // If Mailru client could not be obtained.
     if (!$mailru) {
-      drupal_set_message($this->t('Social Auth Mailru not configured properly. Contact site administrator.'), 'error');
+      \Drupal\Core\Messenger\MessengerInterface::addMessage($this->t('Social Auth Mailru not configured properly. Contact site administrator.'), 'error');
       return $this->redirect('user.login');
     }
 
@@ -165,7 +165,7 @@ class MailruAuthController extends ControllerBase {
     $retrievedState = $this->request->getCurrentRequest()->query->get('state');
     if (empty($retrievedState) || ($retrievedState !== $state)) {
       $this->userManager->nullifySessionKeys();
-      drupal_set_message($this->t('Mailru login failed. Unvalid oAuth2 State.'), 'error');
+      \Drupal\Core\Messenger\MessengerInterface::addMessage($this->t('Mailru login failed. Unvalid oAuth2 State.'), 'error');
       return $this->redirect('user.login');
     }
 
@@ -176,7 +176,7 @@ class MailruAuthController extends ControllerBase {
 
     // Gets user's info from Mailru API.
     if (!$mailru_profile = $this->mailruManager->getUserInfo()) {
-      drupal_set_message($this->t('Mailru login failed, could not load Mailru profile. Contact site administrator.'), 'error');
+     \Drupal\Core\Messenger\MessengerInterface::addMessage($this->t('Mailru login failed, could not load Mailru profile. Contact site administrator.'), 'error');
       return $this->redirect('user.login');
     }
 
diff --git a/src/MailruAuthManager.php b/src/MailruAuthManager.php
index 590efe3..3f48640 100644
--- a/src/MailruAuthManager.php
+++ b/src/MailruAuthManager.php
@@ -12,7 +12,7 @@ use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 /**
  * Contains all the logic for Mailru login integration.
  */
-class MailruAuthManager extends OAuth2Manager {
+class MailruAuthManager extends OAuth2Manager{
 
   /**
    * The logger channel.
@@ -76,7 +76,6 @@ class MailruAuthManager extends OAuth2Manager {
    */
   protected $settings;
 
-
   /**
    * Constructor.
    *
@@ -102,12 +101,13 @@ class MailruAuthManager extends OAuth2Manager {
   /**
    * Authenticates the users by using the access token.
    *
-   * @return $this
+   * @return this
    *   The current object.
    */
   public function authenticate() {
     $this->token = $this->client->getAccessToken('authorization_code',
       ['code' => $_GET['code']]);
+    return $this->token;
   }
 
   /**
@@ -127,11 +127,11 @@ class MailruAuthManager extends OAuth2Manager {
    * @return string
    *   Data returned by Making API Call.
    */
-  public function getExtraDetails($url) {
-    if($url) {
+  public function getExtraDetails($method = 'GET', $domain = NULL) {
+    if ($url) {
       $httpRequest = $this->client->getAuthenticatedRequest('GET', $url, $this->token, []);
       $data = $this->client->getResponse($httpRequest);
-      return json_decode($data->getBody(), true);
+      return json_decode($data->getBody(), TRUE);
     }
   }
 
@@ -144,7 +144,7 @@ class MailruAuthManager extends OAuth2Manager {
   public function getMailruLoginUrl() {
     $scopes = [];
 
-    $options = ['scope' => $scopes,];
+    $options = ['scope' => $scopes];
     $login_url = $this->client->getAuthorizationUrl($options);
 
     // Generate and return the URL where we should redirect the user.
@@ -160,6 +160,7 @@ class MailruAuthManager extends OAuth2Manager {
   public function getAccessToken() {
     return $this->token;
   }
+
   /**
    * Returns the Mailru login URL where user will be redirected.
    *
@@ -173,5 +174,33 @@ class MailruAuthManager extends OAuth2Manager {
     return $state;
   }
 
+  /**
+   * Returns the authorization URL where user will be redirected.
+   *
+   * @return string|mixed
+   *   Absolute authorization URL.
+   */
+  public function getAuthorizationUrl(){
+    
+  }
+
+  /**
+   * Request and end point.
+   *
+   * @param string $method
+   *   The HTTP method for the request.
+   * @param string $path
+   *   The path to request.
+   * @param string|null $domain
+   *   The domain to request.
+   * @param array $options
+   *   Request options.
+   *
+   * @return array|mixed
+   *   Data returned by provider.
+   */
+  public function requestEndPoint($method, $path, $domain = NULL, array $options = []){
+    return $option;
+  }
 
 }
diff --git a/src/Plugin/Network/MailruAuth.php b/src/Plugin/Network/MailruAuth.php
index 5d6ebd0..3aec8b8 100644
--- a/src/Plugin/Network/MailruAuth.php
+++ b/src/Plugin/Network/MailruAuth.php
@@ -125,7 +125,7 @@ class MailruAuth extends NetworkBase implements MailruAuthInterface {
    * @return \League\OAuth2\Client\Provider\Mailru
    *   The initialized 3rd party library instance.
    *
-   * @throws SocialApiException
+   * @throws \Drupal\social_api\SocialApiException
    *   If the SDK library does not exist.
    */
   protected function initSdk() {
@@ -156,7 +156,7 @@ class MailruAuth extends NetworkBase implements MailruAuthInterface {
         ];
       }
 
-      return new \Aego\OAuth2\Client\Provider\Mailru($league_settings);
+      return new Mailru($league_settings);
     }
     return FALSE;
   }