private function hashTransaction(Pap_Common_Transaction $transaction) {
return $transaction->getUserId(). $transaction->getCampaignId(). $transaction->getBannerId(). $transaction->getChannel() .
$transaction->getStatus() . $transaction->getTier(). $transaction->getType(). $transaction->getPayoutStatus() . $this->dateTimeToDate($transaction->getDateInserted() . $transaction->getCountryCode());
}