id = "monero_gateway"; $this->method_title = __("Monero GateWay", 'monero_gateway'); $this->method_description = __("Monero Payment Gateway Plug-in for WooCommerce. You can find more information about this payment gateway on our website. You'll need a daemon online for your address.", 'monero_gateway'); $this->title = __("Monero Gateway", 'monero_gateway'); $this->version = "2.0"; // $this->icon = apply_filters('woocommerce_offline_icon', ''); $this->has_fields = false; $this->log = new WC_Logger(); $this->init_form_fields(); $this->host = $this->get_option('daemon_host'); $this->port = $this->get_option('daemon_port'); $this->address = $this->get_option('monero_address'); $this->viewKey = $this->get_option('viewKey'); $this->discount = $this->get_option('discount'); $this->accept_zero_conf = $this->get_option('zero_conf'); $this->use_viewKey = $this->get_option('use_viewKey'); $this->use_rpc = $this->get_option('use_rpc'); $env = $this->get_option('environment'); if($this->use_viewKey == 'yes') { $this->non_rpc = true; } if($this->use_rpc == 'yes') { $this->non_rpc = false; } if($this->accept_zero_conf == 'yes') { $this->zero_confirm = true; } if($env == 'yes') { $this->testnet = true; } // After init_settings() is called, you can get the settings and load them into variables, e.g: // $this->title = $this->get_option('title' ); $this->init_settings(); // Turn these settings into variables we can use foreach ($this->settings as $setting_key => $value) { $this->$setting_key = $value; } add_action('admin_notices', array($this, 'do_ssl_check')); add_action('admin_notices', array($this, 'validate_fields')); add_action('woocommerce_thankyou_' . $this->id, array($this, 'instruction')); if (is_admin()) { /* Save Settings */ add_action('woocommerce_update_options_payment_gateways_' . $this->id, array($this, 'process_admin_options')); add_filter('woocommerce_currencies', array($this,'add_my_currency')); add_filter('woocommerce_currency_symbol', array($this,'add_my_currency_symbol'), 10, 2); add_action('woocommerce_email_before_order_table', array($this, 'email_instructions'), 10, 2); } $this->monero_daemon = new Monero_Library($this->host, $this->port); $this->cryptonote = new Cryptonote(); } public function get_icon() { return apply_filters('woocommerce_gateway_icon', "

"); } public function init_form_fields() { $this->form_fields = array( 'enabled' => array( 'title' => __('Enable / Disable', 'monero_gateway'), 'label' => __('Enable this payment gateway', 'monero_gateway'), 'type' => 'checkbox', 'default' => 'no' ), 'title' => array( 'title' => __('Title', 'monero_gateway'), 'type' => 'text', 'desc_tip' => __('Payment title the customer will see during the checkout process.', 'monero_gateway'), 'default' => __('Monero XMR Payment', 'monero_gateway') ), 'description' => array( 'title' => __('Description', 'monero_gateway'), 'type' => 'textarea', 'desc_tip' => __('Payment description the customer will see during the checkout process.', 'monero_gateway'), 'default' => __('Pay securely using XMR.', 'monero_gateway') ), 'use_viewKey' => array( 'title' => __('Use ViewKey', 'monero_gateway'), 'label' => __(' Verify Transaction with ViewKey ', 'monero_gateway'), 'type' => 'checkbox', 'description' => __('Fill in the Address and ViewKey fields to verify transactions with your ViewKey', 'monero_gateway'), 'default' => 'no' ), 'monero_address' => array( 'title' => __('Monero Address', 'monero_gateway'), 'label' => __('Useful for people that have not a daemon online'), 'type' => 'text', 'desc_tip' => __('Monero Wallet Address', 'monero_gateway') ), 'viewKey' => array( 'title' => __('Secret ViewKey', 'monero_gateway'), 'label' => __('Secret ViewKey'), 'type' => 'text', 'desc_tip' => __('Your secret ViewKey', 'monero_gateway') ), 'use_rpc' => array( 'title' => __('Use monero-wallet-rpc', 'monero_gateway'), 'label' => __(' Verify transactions with the monero-wallet-rpc ', 'monero_gateway'), 'type' => 'checkbox', 'description' => __('This must be setup seperately', 'monero_gateway'), 'default' => 'no' ), 'daemon_host' => array( 'title' => __('Monero wallet RPC Host/ IP', 'monero_gateway'), 'type' => 'text', 'desc_tip' => __('This is the Daemon Host/IP to authorize the payment with port', 'monero_gateway'), 'default' => 'localhost', ), 'daemon_port' => array( 'title' => __('Monero wallet RPC port', 'monero_gateway'), 'type' => 'text', 'desc_tip' => __('This is the Daemon Host/IP to authorize the payment with port', 'monero_gateway'), 'default' => '18080', ), 'discount' => array( 'title' => __('% discount for using XMR', 'monero_gateway'), 'desc_tip' => __('Provide a discount to your customers for making a private payment with XMR!', 'monero_gateway'), 'description' => __('Do you want to spread the word about Monero? Offer a small discount! Leave this empty if you do not wish to provide a discount', 'monero_gateway'), 'type' => __('number'), 'default' => '5' ), 'environment' => array( 'title' => __(' Testnet', 'monero_gateway'), 'label' => __(' Check this if you are using testnet ', 'monero_gateway'), 'type' => 'checkbox', 'description' => __('Check this box if you are using testnet', 'monero_gateway'), 'default' => 'no' ), 'zero_conf' => array( 'title' => __(' Accept 0 conf txs', 'monero_gateway'), 'label' => __(' Accept 0-confirmation transactions ', 'monero_gateway'), 'type' => 'checkbox', 'description' => __('This is faster but less secure', 'monero_gateway'), 'default' => 'no' ), 'onion_service' => array( 'title' => __(' SSL warnings ', 'monero_gateway'), 'label' => __(' Check to Silence SSL warnings', 'monero_gateway'), 'type' => 'checkbox', 'description' => __('Check this box if you are running on an Onion Service (Suppress SSL errors)', 'monero_gateway'), 'default' => 'no' ), ); } public function add_my_currency($currencies) { $currencies['XMR'] = __('Monero', 'woocommerce'); return $currencies; } public function add_my_currency_symbol($currency_symbol, $currency) { switch ($currency) { case 'XMR': $currency_symbol = 'XMR'; break; } return $currency_symbol; } public function admin_options() { $this->log->add('Monero_gateway', '[SUCCESS] Monero Settings OK'); echo "

Monero Payment Gateway

"; echo "

Welcome to Monero Extension for WooCommerce. Getting started: Make a connection with daemon Contact Me"; echo "

"; if(!$this->non_rpc) // only try to get balance data if using wallet-rpc $this->getamountinfo(); echo "

"; echo ""; $this->generate_settings_html(); echo "

"; echo "

Learn more about using monero-wallet-rpc here and viewkeys here

"; } public function getamountinfo() { $wallet_amount = $this->monero_daemon->getbalance(); if (!isset($wallet_amount)) { $this->log->add('Monero_gateway', '[ERROR] Cannot connect to monero-wallet-rpc'); echo "
Your balance is: Not Available
"; echo "Unlocked balance: Not Available"; } else { $real_wallet_amount = $wallet_amount['balance'] / 1000000000000; $real_amount_rounded = round($real_wallet_amount, 6); $unlocked_wallet_amount = $wallet_amount['unlocked_balance'] / 1000000000000; $unlocked_amount_rounded = round($unlocked_wallet_amount, 6); echo "Your balance is: " . $real_amount_rounded . " XMR
"; echo "Unlocked balance: " . $unlocked_amount_rounded . " XMR
"; } } public function process_payment($order_id) { $order = wc_get_order($order_id); $order->update_status('on-hold', __('Awaiting offline payment', 'monero_gateway')); // Reduce stock levels $order->reduce_order_stock(); // Remove cart WC()->cart->empty_cart(); // Return thank you redirect return array( 'result' => 'success', 'redirect' => $this->get_return_url($order) ); } // Submit payment and handle response public function validate_fields() { if ($this->check_monero() != TRUE) { echo "

Your Monero Address doesn't look valid. Have you checked it?

"; } if(!$this->check_viewKey()) { echo "

Your ViewKey doesn't look valid. Have you checked it?

"; } if($this->check_checkedBoxes()) { echo "

You must choose to either use monero-wallet-rpc or a ViewKey, not both

"; } } // Validate fields public function check_monero() { $monero_address = $this->settings['monero_address']; if (strlen($monero_address) == 95 && substr($monero_address, 1)) { if($this->cryptonote->verify_checksum($monero_address)) { return true; } } return false; } public function check_viewKey() { if($this->use_viewKey == 'yes') { if (strlen($this->viewKey) == 64) { return true; } return false; } return true; } public function check_checkedBoxes() { if($this->use_viewKey == 'yes') { if($this->use_rpc == 'yes') { return true; } } else return false; } public function is_virtual_in_cart($order_id) { $order = wc_get_order( $order_id ); $items = $order->get_items(); $cart_size = count($items); $virtual_items = 0; foreach ( $items as $item ) { $product = new WC_Product( $item['product_id'] ); if ( $product->is_virtual() ) { $virtual_items += 1; } } if($virtual_items == $cart_size) { return true; } else{ return false; } } public function instruction($order_id) { if($this->non_rpc) { echo ""; $order = wc_get_order($order_id); $amount = floatval(preg_replace('#[^\d.]#', '', $order->get_total())); $payment_id = $this->set_paymentid_cookie(8); $currency = $order->get_currency(); $amount_xmr2 = $this->changeto($amount, $currency, $payment_id); $address = $this->address; $order->update_meta_data( "Payment ID", $payment_id); $order->update_meta_data( "Amount requested (XMR)", $amount_xmr2); $order->save(); if (!isset($address)) { // If there isn't address (merchant missed that field!), $address will be the Monero address for donating :) $address = "44AFFq5kSiGBoZ4NMDwYtN18obc8AemS33DBLWs3H7otXft3XjrpDtQGv7SqSsaBYBb98uNbr2VBBEt7f2wfn3RVGQBEP3A"; } $decoded_address = $this->cryptonote->decode_address($address); $pub_spendKey = $decoded_address['spendKey']; $pub_viewKey = $decoded_address['viewKey']; $integrated_addr = $this->cryptonote->integrated_addr_from_keys($pub_spendKey, $pub_viewKey, $payment_id); $uri = urlencode("monero:".$address."?tx_amount=".$amount_xmr2."&tx_payment_id=".$payment_id); $this->verify_non_rpc($payment_id, $amount_xmr2, $order_id, $this->zero_confirm); if($this->confirmed == false) { echo "

We are waiting for your transaction to be confirmed

"; } if($this->confirmed) { echo "

Your transaction has been successfully confirmed!

"; } echo "

MONERO PAYMENT

Send:

".$amount_xmr2."

To this address:

".$integrated_addr."

Or scan QR:

"; echo " "; } else { $order = wc_get_order($order_id); $amount = floatval(preg_replace('#[^\d.]#', '', $order->get_total())); $payment_id = $this->set_paymentid_cookie(8); $currency = $order->get_currency(); $amount_xmr2 = $this->changeto($amount, $currency, $payment_id); $order->update_meta_data( "Payment ID", $payment_id); $order->update_meta_data( "Amount requested (XMR)", $amount_xmr2); $order->save(); $uri = urlencode("monero:".$address."?tx_amount=".$amount_xmr2."&tx_payment_id=".$payment_id); $array_integrated_address = $this->monero_daemon->make_integrated_address($payment_id); if (!isset($array_integrated_address)) { $this->log->add('Monero_Gateway', '[ERROR] Unable get integrated address'); // Seems that we can't connect with daemon, then set array_integrated_address, little hack $array_integrated_address["integrated_address"] = $address; } $message = $this->verify_payment($payment_id, $amount_xmr2, $order); if ($this->confirmed) { $color = "006400"; } else { $color = "DC143C"; } echo "

" . $message . "

"; echo "

MONERO PAYMENT

Send:

".$amount_xmr2."

To this address:

".$array_integrated_address['integrated_address']."

Or scan QR:

"; echo " "; } } private function set_paymentid_cookie($size) { if (!isset($_COOKIE['payment_id'])) { $payment_id = bin2hex(openssl_random_pseudo_bytes($size)); setcookie('payment_id', $payment_id, time() + 2700); } else{ $payment_id = $this->sanatize_id($_COOKIE['payment_id']); } return $payment_id; } public function sanatize_id($payment_id) { // Limit payment id to alphanumeric characters $sanatized_id = preg_replace("/[^a-zA-Z0-9]+/", "", $payment_id); return $sanatized_id; } public function changeto($amount, $currency, $payment_id) { global $wpdb; // This will create a table named whatever the payment id is inside the database "WordPress" $create_table = "CREATE TABLE IF NOT EXISTS $payment_id ( rate INT )"; $wpdb->query($create_table); $rows_num = $wpdb->get_results("SELECT count(*) as count FROM $payment_id"); if ($rows_num[0]->count > 0) // Checks if the row has already been created or not { $stored_rate = $wpdb->get_results("SELECT rate FROM $payment_id"); $stored_rate_transformed = $stored_rate[0]->rate / 100; //this will turn the stored rate back into a decimaled number if (isset($this->discount)) { $sanatized_discount = preg_replace('/[^0-9]/', '', $this->discount); $discount_decimal = $sanatized_discount / 100; $new_amount = $amount / $stored_rate_transformed; $discount = $new_amount * $discount_decimal; $final_amount = $new_amount - $discount; $rounded_amount = round($final_amount, 12); } else { $new_amount = $amount / $stored_rate_transformed; $rounded_amount = round($new_amount, 12); //the Monero wallet can't handle decimals smaller than 0.000000000001 } } else // If the row has not been created then the live exchange rate will be grabbed and stored { $xmr_live_price = $this->retriveprice($currency); $live_for_storing = $xmr_live_price * 100; //This will remove the decimal so that it can easily be stored as an integer $wpdb->query("INSERT INTO $payment_id (rate) VALUES ($live_for_storing)"); if(isset($this->discount)) { $new_amount = $amount / $xmr_live_price; $discount = $new_amount * $this->discount / 100; $discounted_price = $new_amount - $discount; $rounded_amount = round($discounted_price, 12); } else { $new_amount = $amount / $xmr_live_price; $rounded_amount = round($new_amount, 12); } } return $rounded_amount; } // Check if we are forcing SSL on checkout pages // Custom function not required by the Gateway public function retriveprice($currency) { $api_link = 'https://min-api.cryptocompare.com/data/price?fsym=XMR&tsyms=BTC,USD,EUR,CAD,INR,GBP,COP,SGD' . ',' . $currency . '&extraParams=monero_woocommerce'; $xmr_price = file_get_contents($api_link); $price = json_decode($xmr_price, TRUE); if (!isset($price)) { $this->log->add('Monero_Gateway', '[ERROR] Unable to get the price of Monero'); } switch ($currency) { case 'USD': return $price['USD']; case 'EUR': return $price['EUR']; case 'CAD': return $price['CAD']; case 'GBP': return $price['GBP']; case 'INR': return $price['INR']; case 'COP': return $price['COP']; case 'SGD': return $price['SGD']; case $currency: return $price[$currency]; case 'XMR': $price = '1'; return $price; } } private function on_verified($payment_id, $amount_atomic_units, $order_id) { $message = "Payment has been received and confirmed. Thanks!"; $this->log->add('Monero_gateway', '[SUCCESS] Payment has been recorded. Congratulations!'); $this->confirmed = true; $order = wc_get_order($order_id); if($this->is_virtual_in_cart($order_id) == true){ $order->update_status('completed', __('Payment has been received.', 'monero_gateway')); } else{ $order->update_status('processing', __('Payment has been received.', 'monero_gateway')); // Show payment id used for order } global $wpdb; $wpdb->query("DROP TABLE $payment_id"); // Drop the table from database after payment has been confirmed as it is no longer needed $this->reloadTime = 3000000000000; // Greatly increase the reload time as it is no longer needed return $message; } public function verify_payment($payment_id, $amount, $order_id) { /* * function for verifying payments * Check if a payment has been made with this payment id then notify the merchant */ $message = "We are waiting for your payment to be confirmed"; $amount_atomic_units = $amount * 1000000000000; $get_payments_method = $this->monero_daemon->get_payments($payment_id); if (isset($get_payments_method["payments"][0]["amount"])) { if ($get_payments_method["payments"][0]["amount"] >= $amount_atomic_units) { $message = $this->on_verified($payment_id, $amount_atomic_units, $order_id); } if ($get_payments_method["payments"][0]["amount"] < $amount_atomic_units) { $totalPayed = $get_payments_method["payments"][0]["amount"]; $outputs_count = count($get_payments_method["payments"]); // number of outputs recieved with this payment id $output_counter = 1; while($output_counter < $outputs_count) { $totalPayed += $get_payments_method["payments"][$output_counter]["amount"]; $output_counter++; } if($totalPayed >= $amount_atomic_units) { $message = $this->on_verified($payment_id, $amount_atomic_units, $order_id); } } } return $message; } public function last_block_seen($height) // sometimes 2 blocks are mined within a few seconds of each other. Make sure we don't miss one { if (!isset($_COOKIE['last_seen_block'])) { setcookie('last_seen_block', $height, time() + 2700); return 0; } else{ $cookie_block = $_COOKIE['last_seen_block']; $difference = $height - $cookie_block; setcookie('last_seen_block', $height, time() + 2700); return $difference; } } public function verify_non_rpc($payment_id, $amount, $order_id, $accept_zero_conf = false) { $tools = new NodeTools($this->testnet); $amount_atomic_units = $amount * 1000000000000; $outputs = $tools->get_outputs($this->address, $this->viewKey, $accept_zero_conf); $outs_count = count($outputs); $i = 0; $tx_hash; if($outs_count != 0) { while($i < $outs_count ) { if($outputs[$i]['payment_id'] == $payment_id) { if($outputs[$i]['amount'] >= $amount_atomic_units) { $this->on_verified($payment_id, $amount_atomic_units, $order_id); return true; } } $i++; } } return false; } public function do_ssl_check() { if ($this->enabled == "yes" && !$this->get_option('onion_service')) { if (get_option('woocommerce_force_ssl_checkout') == "no") { echo "

" . sprintf(__("%s is enabled and WooCommerce is not forcing the SSL certificate on your checkout page. Please ensure that you have a valid SSL certificate and that you are forcing the checkout pages to be secured."), $this->method_title, admin_url('admin.php?page=wc-settings&tab=checkout')) . "

"; } } } public function connect_daemon() { $host = $this->settings['daemon_host']; $port = $this->settings['daemon_port']; $monero_library = new Monero($host, $port); if ($monero_library->works() == true) { echo "

Everything works! Congratulations and welcome to Monero.

"; } else { $this->log->add('Monero_gateway', '[ERROR] Plugin cannot reach wallet RPC.'); echo "

Error with connection of daemon, see documentation!

"; } } }