src/FintechFab/QiwiSdk/Curl.php
private function  setUrl($orderId, $payReturnId = null)
	{
		$this->url = Gateway::getConfig('gateUrl') . Gateway::getConfig('shopId')
			. '/bills/' . $orderId;
		if ($payReturnId != null) {
			$this->url .= '/refund/' . $payReturnId;
		}

	}
private function  setUrl($orderId, $payReturnId = null)
	{
		$this->url = Gateway::getConfig('gateUrl') . Gateway::getConfig('shopId')
			. '/bills/' . $orderId;
		if ($payReturnId != null) {
			$this->url .= '/refund/' . $payReturnId;
		}

	}
Определяет URL для curl запроса

@param $orderId
@param $payReturnId