getTopTokens method added

ArtemKo7v · ArtemKo7v · commit 6861ccf9388a · 2017-01-13T16:13:11.000+07:00
diff --git a/api/controller.php b/api/controller.php
@@ -19,7 +19,7 @@ class ethplorerController {
     protected $db;
     protected $command;
     protected $params = array();
-    protected $apiCommands = array('getTxInfo', 'getTokenHistory', 'getAddressInfo', 'getTokenInfo', 'getAddressHistory');
+    protected $apiCommands = array('getTxInfo', 'getTokenHistory', 'getAddressInfo', 'getTokenInfo', 'getAddressHistory', 'getTopTokens');
     protected $defaults;
 
     public function __construct($es){
@@ -87,8 +87,8 @@ public function run(){
             if(!$key || !$this->db->checkAPIkey($key)){
                 $this->sendError(1, 'Invalid API key');
             }
-            $this->defaults = $this->db->getAPIKeyDefaults($key, $this->getCommand());
-            $result = call_user_func(array($this, $this->getCommand()));
+            $this->defaults = $this->db->getAPIKeyDefaults($key, $command);
+            $result = call_user_func(array($this, $command));
         }
         return $result;
     }
@@ -262,6 +262,21 @@ public function getAddressHistory(){
         return $this->_getHistory(TRUE);
     }
 
+    /**
+     * /getTopTokens method implementation.
+     *
+     * @undocumented
+     * @return array
+     */
+    public function getTopTokens(){
+        $maxLimit = is_array($this->defaults) && isset($this->defaults['maxLimit']) ? $this->defaults['maxLimit'] : 50;
+        $maxPeriod = is_array($this->defaults) && isset($this->defaults['maxPeriod']) ? $this->defaults['maxPeriod'] : 90;
+        $limit = min(abs((int)$this->getRequest('limit', 10)), $maxLimit);
+        $period = min(abs((int)$this->getRequest('limit', 10)), $maxPeriod);
+        $result = array('tokens' => $this->db->getTopTokens($limit, $period));
+        $this->sendResult($result);
+    }
+
     /**
      *
      * Common method to get token and address operation history.
diff --git a/service/lib/ethplorer.php b/service/lib/ethplorer.php
@@ -596,6 +596,44 @@ public function getAddressOperations($address, $limit = 10){
         return $result;
     }
 
+    /**
+     * Returns top tokens list.
+     *
+     * @param int $limit   Maximum records number
+     * @param int $period  Days from now
+     * @return array
+     */
+    public function getTopTokens($limit = 10, $period = 30){
+        $cache = 'top_tokens-' . $period . '-' . $limit;
+        $result = $this->oCache->get($cache, false, true, 24 * 3600);
+        if(FALSE === $result){
+            $result = array();
+            $dbData = $this->dbs['operations']->aggregate(
+                array(
+                    array('$match' => array("timestamp" => array('$gt' => time() - $period * 24 * 3600))),
+                    array(
+                        '$group' => array(
+                            "_id" => '$contract',
+                            'cnt' => array('$sum' => 1)
+                        )
+                    ),
+                    array('$sort' => array('cnt' => -1)),
+                    array('$limit' => $limit)
+                )
+            );
+            if(is_array($dbData) && !empty($dbData['result'])){
+                foreach($dbData['result'] as $token){
+                    $oToken = $this->getToken($token['_id']);
+                    $oToken['opCount'] = $token['cnt'];
+                    unset($oToken['checked']);
+                    $result[] = $oToken;
+                }
+                $this->oCache->save($cache, $result);
+            }
+        }
+        return $result;
+    }
+
     public function checkAPIKey($key){
         return isset($this->aSettings['apiKeys']) && isset($this->aSettings['apiKeys'][$key]);
     }
