only in patch2:
unchanged:
--- a/src/Plugin/Block/UberAffiliateBlock.php
+++ b/src/Plugin/Block/UberAffiliateBlock.php
@@ -58,14 +58,14 @@ class UberAffiliateBlock extends BlockBase {
         $username = SafeMarkup::checkPlain($result->name);
         $name = (!empty($homepage)) ? Link::fromTextAndUrl($username, $homepage) : Link::fromTextAndUrl($username,  \Drupal::service('path.alias_manager')->getAliasByPath('user/' . $result->uid));
         $rows[] = array(
-          array('data' => t('#@rank', array('@rank' => $rank++))),
+          array('data' => $this->t('#@rank', array('@rank' => $rank++))),
           array('data' => $name),
         );
 
       }
     }
     if (empty($rows)) {
-      $rows[] = array(array('data' => t('No affiliate activity found for this time period.'), 'colspan' => '2'));
+      $rows[] = array(array('data' => $this->t('No affiliate activity found for this time period.'), 'colspan' => '2'));
     }
 
     $output = [
@@ -76,7 +76,7 @@ class UberAffiliateBlock extends BlockBase {
     if ($results_count && $results_count > $limit) {
       $output .= [
         '#theme' => 'more_link',
-        array('url' => \Drupal::service('path.alias_manager')->getAliasByPath('affiliate/top-users'), 'title' => t('More')),
+        array('url' => \Drupal::service('path.alias_manager')->getAliasByPath('affiliate/top-users'), 'title' => $this->t('More')),
       ];
     }
     return $output;