/**
* @private
* @param string $action
* @param string $channelToken
* @param string $unique_id
* @return Hypercharge\Transaction
*/
static function request($action, $channelToken, $unique_id)
{
$url = new TransactionUrl(Config::ENV_SANDBOX, $channelToken, $action);
$url = $url->get() . '/' . $unique_id;
$curl = new Curl(Config::getUser(), Config::getPassword());
$responseStr = $curl->xmlPost($url, '');
$responseDom = new \SimpleXMLElement($responseStr);
// dummy
$request = new TransactionRequest(array('transaction_type' => 'sale'));
return $request->createResponse(XmlSerializer::dom2hash($responseDom));
}
