/**
* Retrieve vendor payment type array
*
* @return array
*/
public static function getStates()
{
if (is_null(self::$_states)) {
self::$_states = array(self::TRANSACTION_TYPE_CREDIT => Mage::helper('sales')->__('Credit'), self::TRANSACTION_TYPE_DEBIT => Mage::helper('sales')->__('Debit'));
}
return self::$_states;
}
