upd VIZ new operation

Author: t3ran13

Tools/ChainOperations/ChainOperations.php

@@ -10,6 +10,7 @@ class ChainOperations
     const OPERATION_CONTENT     = 'content'; //only for VIZ
     const OPERATION_TRANSFER    = 'transfer';
     const OPERATION_CUSTOM_JSON = 'custom_json';
+    const OPERATION_CUSTOM      = 'custom';//only for VIZ
 
     const OPERATIONS_IDS = [
         self::OPERATION_VOTE        => 0,

Tools/ChainOperations/OperationSerializer.php

@@ -52,6 +52,12 @@ class OperationSerializer
             'required_posting_auths' => self::TYPE_SET_STRING,
             'id'                     => self::TYPE_STRING,
             'json'                   => self::TYPE_STRING
+        ],
+        ChainOperations::OPERATION_CUSTOM => [//only for VIZ
+            'required_auths'         => self::TYPE_SET_STRING,
+            'required_posting_auths' => self::TYPE_SET_STRING,
+            'id'                     => self::TYPE_STRING,
+            'json'                   => self::TYPE_STRING
         ]
     ];