/**
  * @return array
  */
 public static function getSelfVars()
 {
     $obj = new BitpayPaymentsConfig();
     $obj->pushValues();
     $this_class_vars = get_object_vars($obj);
     $base_class_vars = get_class_vars("\\BitpayPayments\\Model\\Base\\BitpayPaymentsConfig");
     $pks = array_diff_key($this_class_vars, $base_class_vars);
     return $pks;
 }
 /**
  *
  *  Method used by payment gateway.
  *
  *  If this method return a \Thelia\Core\HttpFoundation\Response instance, this response is send to the
  *  browser.
  *
  *  In many cases, it's necessary to send a form to the payment gateway. On your response you can return this form already
  *  completed, ready to be sent
  *
  * @param  \Thelia\Model\Order $order processed order
  * @return null|\Thelia\Core\HttpFoundation\Response
  */
 public function pay(Order $order)
 {
     $this->loadBitpayKeys();
     $client = new \Bitpay\Client\Client();
     $adapter = new \Bitpay\Client\Adapter\CurlAdapter();
     $config = new BitpayPaymentsConfig();
     $config->pushValues();
     if ($config->getSandbox()) {
         $pairingKey = $config->getPairingKeySandbox();
         $apiKey = $config->getApiKeySandbox();
         $network = new \Bitpay\Network\Testnet();
         $environment = "Sandbox";
     } else {
         $pairingKey = $config->getPairingKey();
         $apiKey = $config->getApiKey();
         $network = new \Bitpay\Network\Livenet();
         $environment = "Live";
     }
     $client->setPrivateKey($this->privateKey);
     $client->setPublicKey($this->publicKey);
     $client->setNetwork($network);
     $client->setAdapter($adapter);
     if (!isset($apiKey) || $apiKey == '') {
         // must create API key
         if (!isset($pairingKey) || $pairingKey == '') {
             // error: no pairing key
             $error = "Thelia BitpayPayments error: No API key or pairing key for environment {$environment} provided.";
             Tlog::getInstance()->error($error);
             throw new \Exception($error);
         } else {
             // pairing key available, now trying to get an API key
             $sin = \Bitpay\SinKey::create()->setPublicKey($this->publicKey)->generate();
             try {
                 $token = $client->createToken(array('pairingCode' => $pairingKey, 'label' => 'Thelia BitpayPayments', 'id' => (string) $sin));
             } catch (\Exception $e) {
                 $request = $client->getRequest();
                 $response = $client->getResponse();
                 $error = 'Thelia BitpayPayments error:' . PHP_EOL . PHP_EOL . $request . PHP_EOL . PHP_EOL . $response . PHP_EOL . PHP_EOL;
                 Tlog::getInstance()->error($error);
                 throw new \Exception($error);
             }
             $config->setApiKeyCurrentEnvironment($token->getToken());
             $config->setPairingKeyCurrentEnvironment('');
         }
     }
     // token should be available now
     $token = new \Bitpay\Token();
     $token->setToken($config->getApiKeyCurrentEnvironment());
     $client->setToken($token);
     $invoice = new \Bitpay\Invoice();
     $item = new \Bitpay\Item();
     $item->setCode('testCode');
     $item->setDescription('Purchase');
     $item->setPrice($order->getTotalAmount());
     $invoice->setItem($item);
     $invoice->setCurrency(new \Bitpay\Currency($order->getCurrency()->getCode()));
     try {
         $client->createInvoice($invoice);
     } catch (\Exception $e) {
         $request = $client->getRequest();
         $response = $client->getResponse();
         $error = 'Thelia BitpayPayments error:' . PHP_EOL . PHP_EOL . $request . PHP_EOL . PHP_EOL . $response . PHP_EOL . PHP_EOL;
         Tlog::getInstance()->error($error);
         throw new \Exception($error);
     }
 }