/**
* Decrypt and test current saved token
*/
public function _afterSave()
{
$token = Mage::helper('core')->decrypt($this->getValue());
if (!empty($token) && $token != $this->getOldValue()) {
$valid = $this->testToken($this->getFieldsetDataValue('merchant_email'), $token);
if ($valid !== true) {
Mage::getSingleton('core/session')->addWarning($valid);
}
}
parent::_afterSave();
}
