A payment method class should implement the \Magento\Payment\Model\MethodInterface

dmitrii_fediuk · February 8, 2016, 5:03pm

\Magento\Payment\Model\MethodInterface

magento/magento2/blob/6ce74b2/app/code/Magento/Payment/Model/Method/Factory.php#L30-L47


/**
 * Creates new instances of payment method models
 *
 * @param string $className
 * @param array $data
 * @return \Magento\Payment\Model\MethodInterface
 * @throws \Magento\Framework\Exception\LocalizedException
 */
public function create($className, $data = [])
{
    $method = $this->_objectManager->create($className, $data);
    if (!$method instanceof \Magento\Payment\Model\MethodInterface) {
        throw new \Magento\Framework\Exception\LocalizedException(
            __('%1 class doesn\'t implement \Magento\Payment\Model\MethodInterface', $className)
        );
    }
    return $method;
}