/**
* Prepares an Invoice to send to BitPay
*
* @param array $order_info OpenCart checkout order
* @return Invoice
*/
private function prepareInvoice($order_info = array())
{
$invoice = new \Bitpay\Invoice();
if (empty($order_info['order_id'])) {
$this->log('error', 'Cannot prepare invoice without `order_id`');
throw Exception('Cannot prepare invoice without `order_id`');
}
$this->log('info', sprintf('Preparing Invoice for Order %s', (string) $order_info['order_id']));
$invoice->setOrderId((string) $order_info['order_id']);
if (empty($order_info['currency_code'])) {
$this->log('error', 'Cannot prepare invoice without `currency_code`');
throw Exception('Cannot prepare invoice without `currency_code`');
}
$invoice->setCurrency(new \Bitpay\Currency($order_info['currency_code']));
if (empty($order_info['total'])) {
$this->log('error', 'Cannot prepare invoice without `total`');
throw Exception('Cannot prepare invoice without `total`');
}
$invoice->setPrice((double) $order_info['total']);
// Send Buyer Information?
if ($this->setting('send_buyer_info')) {
$buyer = new \Bitpay\Buyer();
$buyer->setFirstName($order_info['firstname'])->setLastName($order_info['lastname'])->setEmail($order_info['email'])->setPhone($order_info['telephone'])->setAddress(array($order_info['payment_address_1'], $order_info['payment_address_2']))->setCity($order_info['payment_city'])->setState($order_info['payment_zone_code'])->setZip($order_info['payment_postcode'])->setCountry($order_info['payment_country']);
$invoice->setBuyer($buyer);
}
$invoice->setFullNotifications(true);
$return_url = $this->setting('return_url');
if (empty($return_url)) {
$return_url = $this->url->link('payment/bitpay/success', $this->config->get('config_secure'));
}
$notify_url = $this->setting('notify_url');
if (empty($notify_url)) {
$notify_url = $this->url->link('payment/bitpay/callback', $this->config->get('config_secure'));
}
$invoice->setRedirectUrl($return_url);
$invoice->setNotificationUrl($notify_url);
$invoice->setTransactionSpeed($this->setting('risk_speed'));
return $invoice;
}
/**
* Create a new invoice with as much info already added. It should add
* some basic info and setup the invoice object.
*
* @return Bitpay\Invoice
*/
private function initializeInvoice()
{
\Mage::helper('bitpay')->registerAutoloader();
$invoice = new Bitpay\Invoice();
if (false === isset($invoice) || true === empty($invoice)) {
$this->debugData('[ERROR] In Bitpay_Core_Model_Method_Bitcoin::initializeInvoice(): could not construct new BitPay invoice object.');
throw new \Exception('In Bitpay_Core_Model_Method_Bitcoin::initializeInvoice(): could not construct new BitPay invoice object.');
} else {
$this->debugData('[INFO] In Bitpay_Core_Model_Method_Bitcoin::initializeInvoice(): constructed new BitPay invoice object successfully.');
}
$invoice->setFullNotifications(true);
$invoice->setTransactionSpeed(\Mage::getStoreConfig('payment/bitpay/speed'));
$invoice->setNotificationUrl(\Mage::getUrl(\Mage::getStoreConfig('payment/bitpay/notification_url')));
$invoice->setRedirectUrl(\Mage::getUrl(\Mage::getStoreConfig('payment/bitpay/redirect_url')));
return $invoice;
}
public function buildInvoice($params)
{
$invoice = new \Bitpay\Invoice();
$buyer = new \Bitpay\Buyer();
$item = new \Bitpay\Item();
$currency = new \Bitpay\Currency();
$buyer->setFirstName($params['BillingNameFirst']);
$buyer->setLastName($params['BillingNameLast']);
$buyer->setAddress(array($params['BillingAddress']));
$buyer->setCity($params['BillingCity']);
$buyer->setState($params['BillingState']);
$buyer->setCountry($params['BillingCountry']);
$buyer->setZip($params['BillingZipCode']);
$buyer->setEmail($params['EmailAddress']);
$buyer->setPhone($params['PhoneNumber']);
$item->setDescription($params['ProductDescription'])->setPrice(floatval($params['price']));
$currency->setCode($params['currencyCode']);
$invoice->setTransactionSpeed($this->setting('riskSpeed'));
if ($this->setting('redirectURL') != NULL) {
$invoice->setRedirectUrl($params['redirectURL']);
} else {
$invoice->setRedirectUrl($params['returnURL']);
}
$invoice->setPosData($params['transactionID']);
$invoice->setFullNotifications(true);
$invoice->setOrderId($params['orderId'])->setNotificationUrl($params['PostBackURL']);
$invoice->setCurrency($currency);
$invoice->setBuyer($buyer);
$invoice->setItem($item);
return $invoice;
}
/**
* Process the payment and return the result
*
* @param int $order_id
* @return array
*/
public function process_payment($order_id)
{
$this->log(' [Info] Entered process_payment() with order_id = ' . $order_id . '...');
if (true === empty($order_id)) {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but the order_id was missing.');
throw new \Exception('The Bitpay payment plugin was called to process a payment but the order_id was missing. Cannot continue!');
}
$order = wc_get_order($order_id);
if (false === $order) {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not retrieve the order details for order_id ' . $order_id);
throw new \Exception('The Bitpay payment plugin was called to process a payment but could not retrieve the order details for order_id ' . $order_id . '. Cannot continue!');
}
$this->log(' [Info] Generating payment form for order ' . $order->get_order_number() . '. Notify URL: ' . $this->notification_url);
// Mark new order according to user settings (we're awaiting the payment)
$new_order_states = $this->get_option('order_states');
$new_order_status = $new_order_states['new'];
$order->update_status($new_order_status, 'Awaiting payment notification from BitPay.');
$thanks_link = $this->get_return_url($order);
$this->log(' [Info] The variable thanks_link = ' . $thanks_link . '...');
// Redirect URL & Notification URL
$redirect_url = $this->get_option('redirect_url', $thanks_link);
$this->log(' [Info] The variable redirect_url = ' . $redirect_url . '...');
$notification_url = $this->get_option('notification_url', WC()->api_request_url('WC_Gateway_Bitpay'));
$this->log(' [Info] Notification URL is now set to: ' . $notification_url . '...');
// Setup the currency
$currency_code = get_woocommerce_currency();
$this->log(' [Info] The variable currency_code = ' . $currency_code . '...');
$currency = new \Bitpay\Currency($currency_code);
if (false === isset($currency) && true === empty($currency)) {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not instantiate a Currency object.');
throw new \Exception('The Bitpay payment plugin was called to process a payment but could not instantiate a Currency object. Cannot continue!');
}
// Get a BitPay Client to prepare for invoice creation
$client = new \Bitpay\Client\Client();
if (false === isset($client) && true === empty($client)) {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not instantiate a client object.');
throw new \Exception('The Bitpay payment plugin was called to process a payment but could not instantiate a client object. Cannot continue!');
}
if ('livenet' === $this->api_network) {
$client->setNetwork(new \Bitpay\Network\Livenet());
$this->log(' [Info] Set network to Livenet...');
} else {
$client->setNetwork(new \Bitpay\Network\Testnet());
$this->log(' [Info] Set network to Testnet...');
}
$curlAdapter = new \Bitpay\Client\Adapter\CurlAdapter();
if (false === isset($curlAdapter) || true === empty($curlAdapter)) {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not instantiate a CurlAdapter object.');
throw new \Exception('The Bitpay payment plugin was called to process a payment but could not instantiate a CurlAdapter object. Cannot continue!');
}
$client->setAdapter($curlAdapter);
if (false === empty($this->api_key)) {
$client->setPrivateKey($this->api_key);
} else {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not set client->setPrivateKey to this->api_key. The empty() check failed!');
throw new \Exception(' The Bitpay payment plugin was called to process a payment but could not set client->setPrivateKey to this->api_key. The empty() check failed!');
}
if (false === empty($this->api_pub)) {
$client->setPublicKey($this->api_pub);
} else {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not set client->setPublicKey to this->api_pub. The empty() check failed!');
throw new \Exception(' The Bitpay payment plugin was called to process a payment but could not set client->setPublicKey to this->api_pub. The empty() check failed!');
}
if (false === empty($this->api_token)) {
$client->setToken($this->api_token);
} else {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not set client->setToken to this->api_token. The empty() check failed!');
throw new \Exception(' The Bitpay payment plugin was called to process a payment but could not set client->setToken to this->api_token. The empty() check failed!');
}
$this->log(' [Info] Key and token empty checks passed. Parameters in client set accordingly...');
// Setup the Invoice
$invoice = new \Bitpay\Invoice();
if (false === isset($invoice) || true === empty($invoice)) {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not instantiate an Invoice object.');
throw new \Exception('The Bitpay payment plugin was called to process a payment but could not instantiate an Invoice object. Cannot continue!');
} else {
$this->log(' [Info] Invoice object created successfully...');
}
$order_number = $order->get_order_number();
$invoice->setOrderId((string) $order_number);
$invoice->setCurrency($currency);
$invoice->setFullNotifications(true);
// Add a priced item to the invoice
$item = new \Bitpay\Item();
if (false === isset($item) || true === empty($item)) {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not instantiate an item object.');
throw new \Exception('The Bitpay payment plugin was called to process a payment but could not instantiate an item object. Cannot continue!');
} else {
$this->log(' [Info] Item object created successfully...');
}
if (true === isset($order->order_total) && false === empty($order->order_total)) {
$item->setPrice($order->order_total);
} else {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not set item->setPrice to order->order_total. The empty() check failed!');
throw new \Exception('The Bitpay payment plugin was called to process a payment but could not set item->setPrice to order->order_total. The empty() check failed!');
}
$invoice->setItem($item);
// Add the Redirect and Notification URLs
$invoice->setRedirectUrl($redirect_url);
$invoice->setNotificationUrl($notification_url);
$invoice->setTransactionSpeed($this->transaction_speed);
try {
$this->log(' [Info] Attempting to generate invoice for ' . $order->get_order_number() . '...');
$invoice = $client->createInvoice($invoice);
if (false === isset($invoice) || true === empty($invoice)) {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not instantiate an invoice object.');
throw new \Exception('The Bitpay payment plugin was called to process a payment but could not instantiate an invoice object. Cannot continue!');
} else {
$this->log(' [Info] Call to generate invoice was successful: ' . $client->getResponse()->getBody());
}
} catch (\Exception $e) {
$this->log(' [Error] Error generating invoice for ' . $order->get_order_number() . ', "' . $e->getMessage() . '"');
error_log($e->getMessage());
return array('result' => 'success', 'messages' => 'Sorry, but Bitcoin checkout with BitPay does not appear to be working.');
}
// Reduce stock levels
$order->reduce_order_stock();
// Remove cart
WC()->cart->empty_cart();
$this->log(' [Info] Leaving process_payment()...');
// Redirect the customer to the BitPay invoice
return array('result' => 'success', 'redirect' => $invoice->getUrl());
}
function gateway_bitpay($seperator, $sessionid)
{
global $wpdb;
global $wpsc_cart;
try {
// Protect your data!
$mcrypt_ext = new \Bitpay\Crypto\McryptExtension();
$fingerprint = substr(sha1(sha1(__DIR__)), 0, 24);
//Use token that is in_use and with facade = pos for generating invoices
$is_a_token_paired = $wpdb->get_var("SELECT COUNT(*) FROM " . $wpdb->prefix . "bitpay_keys WHERE `in_use` = 'true' AND `facade` = 'pos' LIMIT 1");
if ($is_a_token_paired < 1) {
debuglog('[Error] In Bitpay plugin, bitpay.merchant.php::gateway_bitpay(): No tokens are paired so no transactions can be done!');
var_dump("Error Processing Transaction. Please try again later. If the problem persists, please contact us at " . get_option('admin_email'));
}
$row = $wpdb->get_results("SELECT * FROM " . $wpdb->prefix . "bitpay_keys WHERE `in_use` = 'true' AND `facade` = 'pos' LIMIT 1");
$token = unserialize(base64_decode($mcrypt_ext->decrypt($row[0]->token, $fingerprint, '00000000')));
$public_key = unserialize(base64_decode($mcrypt_ext->decrypt($row[0]->public_key, $fingerprint, '00000000')));
$private_key = unserialize(base64_decode($mcrypt_ext->decrypt($row[0]->private_key, $fingerprint, '00000000')));
$network = $row[0]->network === 'Livenet' ? new \Bitpay\Network\Livenet() : new \Bitpay\Network\Testnet();
$row_id = $row[0]->id;
$adapter = new \Bitpay\Client\Adapter\CurlAdapter();
// This grabs the purchase log id from
// the database that refers to the $sessionid
$purchase_log = $wpdb->get_row("SELECT * FROM `" . WPSC_TABLE_PURCHASE_LOGS . "` WHERE `sessionid`= " . $sessionid . " LIMIT 1", ARRAY_A);
// This grabs the users info using the
// $purchase_log from the previous SQL query
$usersql = "SELECT `" . WPSC_TABLE_SUBMITED_FORM_DATA . "`.value," . "`" . WPSC_TABLE_CHECKOUT_FORMS . "`.`name`," . "`" . WPSC_TABLE_CHECKOUT_FORMS . "`.`unique_name` FROM " . "`" . WPSC_TABLE_CHECKOUT_FORMS . "` LEFT JOIN " . "`" . WPSC_TABLE_SUBMITED_FORM_DATA . "` ON " . "`" . WPSC_TABLE_CHECKOUT_FORMS . "`.id = " . "`" . WPSC_TABLE_SUBMITED_FORM_DATA . "`.`form_id` WHERE " . "`" . WPSC_TABLE_SUBMITED_FORM_DATA . "`.`log_id`='" . $purchase_log['id'] . "'";
$userinfo = $wpdb->get_results($usersql, ARRAY_A);
// convert from awkward format
$ui = array();
foreach ((array) $userinfo as $value) {
if (strlen($value['value'])) {
$ui[$value['unique_name']] = $value['value'];
}
}
$userinfo = $ui;
/**
* Create Buyer object that will be used later.
*/
$buyer = new \Bitpay\Buyer();
// name
if (true === isset($userinfo['billingfirstname'])) {
$buyer->setFirstName($userinfo['billingfirstname']);
}
if (true === isset($userinfo['billinglastname'])) {
$buyer->setLastName($userinfo['billinglastname']);
}
// address -- remove newlines
if (true === isset($userinfo['billingaddress'])) {
$newline = strpos($userinfo['billingaddress'], "\n");
$address2 = '';
if ($newline !== FALSE) {
$address_line1 = substr($userinfo['billingaddress'], 0, $newline);
$address_line2 = substr($userinfo['billingaddress'], $newline + 1);
$address_line2 = preg_replace('/\\r\\n/', ' ', $address_line2, -1, $count);
} else {
$address_line1 = $userinfo['billingaddress'];
}
$buyer->setAddress(array($address_line1, $address_line2));
}
// state
if (true === isset($userinfo['billingstate'])) {
// check if State is a number code used when Selecting country as US
if (true === ctype_digit($userinfo['billingstate'])) {
$buyer->setState(wpsc_get_state_by_id($userinfo['billingstate'], 'code'));
} else {
$buyer->setState($userinfo['billingstate']);
}
}
// country
if (true === isset($userinfo['billingcountry'])) {
$buyer->setCountry($userinfo['billingcountry']);
}
// city
if (true === isset($userinfo['billingcity'])) {
$buyer->setCity($userinfo['billingcity']);
}
// postal code
if (true === isset($userinfo['billingpostcode'])) {
$buyer->setZip($userinfo['billingpostcode']);
}
// email
if (true === isset($userinfo['billingemail'])) {
$buyer->setEmail($userinfo['billingemail']);
}
// phone
if (true === isset($userinfo['billingphone'])) {
$buyer->setPhone($userinfo['billingphone']);
}
// more user info
foreach (array('billingphone' => 'buyerPhone', 'billingemail' => 'buyerEmail', 'billingcity' => 'buyerCity', 'billingcountry' => 'buyerCountry', 'billingpostcode' => 'buyerZip') as $f => $t) {
if ($userinfo[$f]) {
$options[$t] = $userinfo[$f];
}
}
/**
* Create an Item object that will be used later
*/
$item = new \Bitpay\Item();
// itemDesc, Sku, and Quantity
if (count($wpsc_cart->cart_items) == 1) {
$item_incart = $wpsc_cart->cart_items[0];
$item_id = $item_incart->product_id;
$item_sku = wpsc_product_sku($item_id);
$item_description = $item_incart->quantity > 1 ? $item_incart->quantity . ' x ' . $item_incart->product_name : $item_incart->product_name;
} else {
foreach ($wpsc_cart->cart_items as $item_incart) {
$quantity += $item_incart->quantity;
$item_id = $item_incart->product_id;
$item_sku_individual = wpsc_product_sku($item_id);
$item_sku .= $item_incart->quantity . ' x ' . $item_sku_individual . ' ';
}
$item_description = $quantity . ' items';
}
// price
$price = number_format($wpsc_cart->total_price, 2, '.', '');
$item->setDescription($item_description)->setCode($item_sku)->setPrice($price);
// Create new BitPay invoice
$invoice = new \Bitpay\Invoice();
// Add the item to the invoice
$invoice->setItem($item);
// Add the buyers info to invoice
$invoice->setBuyer($buyer);
// Configure the rest of the invoice
$purchase_log = $wpdb->get_row("SELECT * FROM `" . WPSC_TABLE_PURCHASE_LOGS . "` WHERE `sessionid`= " . $sessionid . " LIMIT 1", ARRAY_A);
$invoice->setOrderId($purchase_log['id'])->setNotificationUrl(get_option('siteurl') . '/?bitpay_callback=true');
/**
* BitPay offers services for many different currencies. You will need to
* configure the currency in which you are selling products with.
*/
$currency = new \Bitpay\Currency();
$currencyId = get_option('currency_type');
$currency_code = $wpdb->get_var($wpdb->prepare("SELECT `code` FROM `" . WPSC_TABLE_CURRENCY_LIST . "` WHERE `id` = %d LIMIT 1", $currencyId));
$currency->setCode($currency_code);
// Set the invoice currency
$invoice->setCurrency($currency);
// Transaction Speed
$invoice->setTransactionSpeed(get_option('bitpay_transaction_speed'));
// Redirect URL
$separator = get_option('permalink_structure') != '' ? '?' : '&';
if (true === is_null(get_option('bitpay_redirect'))) {
update_option('bitpay_redirect', get_site_url());
}
$redirect_url = get_option('bitpay_redirect');
$invoice->setRedirectUrl($redirect_url);
// PosData
$invoice->setPosData($sessionid);
// Full Notifications
$invoice->setFullNotifications(true);
/**
* Create the client that will be used
* to send requests to BitPay's API
*/
$client = new \Bitpay\Client\Client();
$client->setAdapter($adapter);
$client->setNetwork($network);
$client->setPrivateKey($private_key);
$client->setPublicKey($public_key);
/**
* You will need to set the token that was
* returned when you paired your keys.
*/
$client->setToken($token);
$transaction = true;
// Send invoice
try {
$client->createInvoice($invoice);
} catch (\Exception $e) {
debuglog('[Error] In Bitpay plugin, bitpay.merchant.php::gateway_bitpay(): Call to createInvoice() failed with the message: ' . $e->getMessage());
var_dump("Error Processing Transaction. Please try again later. If the problem persists, please contact us at " . get_option('admin_email'));
$transaction = false;
}
if (true === $transaction) {
$sql = "UPDATE `" . WPSC_TABLE_PURCHASE_LOGS . "` SET `notes`= 'The payment has not been received yet.' WHERE `sessionid`=" . $sessionid;
$wpdb->query($sql);
$wpsc_cart->empty_cart();
unset($_SESSION['WpscGatewayErrorMessage']);
header('Location: ' . $invoice->getUrl());
}
exit;
} catch (\Exception $e) {
debuglog('[Error] In Bitpay plugin, form_bitpay() function on line ' . $e->getLine() . ', with the error "' . $e->getMessage() . '" .');
throw $e;
}
}