How is the current payment transaction added to the registry?

dmitrii_fediuk · August 19, 2016, 11:55pm

magento/magento2/blob/2.1.0/app/code/Magento/Sales/Controller/Adminhtml/Transactions.php#L76-L96


protected function _initTransaction()
{
    $txn = $this->_objectManager->create(
        'Magento\Sales\Model\Order\Payment\Transaction'
    )->load(
        $this->getRequest()->getParam('txn_id')
    );


    if (!$txn->getId()) {
        $this->messageManager->addError(__('Please correct the transaction ID and try again.'));
        $this->_actionFlag->set('', self::FLAG_NO_DISPATCH, true);
        return false;
    }
    $orderId = $this->getRequest()->getParam('order_id');
    if ($orderId) {
        $txn->setOrderUrl($this->getUrl('sales/order/view', ['order_id' => $orderId]));
    }


    $this->_coreRegistry->register('current_transaction', $txn);
    return $txn;
}