413 lines
17 KiB
PHP
413 lines
17 KiB
PHP
<?php
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/* Main Gateway of Monero using a daemon online */
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class Monero_Gateway extends WC_Payment_Gateway
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{
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private $reloadTime = 30000;
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private $discount;
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private $monero_daemon;
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function __construct()
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{
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$this->id = "monero_gateway";
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$this->method_title = __("Monero GateWay", 'monero_gateway');
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$this->method_description = __("Monero Payment Gateway Plug-in for WooCommerce. You can find more information about this payment gateway in our website. You'll need a daemon online for your address.", 'monero_gateway');
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$this->title = __("Monero Gateway", 'monero_gateway');
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$this->version = "0.2";
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//
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$this->icon = apply_filters('woocommerce_offline_icon', '');
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$this->has_fields = false;
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$this->log = new WC_Logger();
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$this->init_form_fields();
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$this->host = $this->get_option('daemon_host');
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$this->port = $this->get_option('daemon_port');
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$this->address = $this->get_option('monero_address');
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$this->username = $this->get_option('username');
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$this->password = $this->get_option('password');
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$this->discount = $this->get_option('discount');
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// After init_settings() is called, you can get the settings and load them into variables, e.g:
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// $this->title = $this->get_option('title' );
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$this->init_settings();
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// Turn these settings into variables we can use
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foreach ($this->settings as $setting_key => $value) {
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$this->$setting_key = $value;
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}
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add_action('admin_notices', array($this,'do_ssl_check'));
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add_action('admin_notices', array($this,'validate_fields'));
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add_action('woocommerce_thankyou_' . $this->id, array($this,'instruction'));
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if (is_admin()) {
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/* Save Settings */
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add_action('woocommerce_update_options_payment_gateways_' . $this->id, array($this,'process_admin_options'
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));
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add_filter( 'woocommerce_currencies', array($this,'add_my_currency') );
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add_filter('woocommerce_currency_symbol', 'add_my_currency_symbol', 10, 2);
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add_action('woocommerce_email_before_order_table', array($this, 'email_instructions'), 10, 2);
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}
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$this->monero_daemon = new Monero_Library($this->host . ':' . $this->port . '/json_rpc', $this->username, $this->password);
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}
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public function add_my_currency( $currencies ) {
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$currencies['XMR'] = __('Monero','woocommerce');
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return $currencies;
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}
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public function add_my_currency_symbol( $currency_symbol, $currency ) {
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switch( $currency ) {
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case 'XMR': $currency_symbol = 'XMR'; break;
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}
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return $currency_symbol;
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}
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public function admin_options()
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{
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$this->log->add('Monero_gateway', '[SUCCESS] Monero Settings OK');
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echo "<h1>Monero Payment Gateway</h1>";
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echo "<p>Welcome to Monero Extension for WooCommerce. Getting started: Make a connection with daemon <a href='https://reddit.com/u/serhack'>Contact Me</a>";
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echo "<div style='border:1px solid #DDD;padding:5px 10px;font-weight:bold;color:#223079;background-color:#9ddff3;'>";
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$this->getamountinfo();
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echo "</div>";
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echo "<table class='form-table'>";
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$this->generate_settings_html();
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echo "</table>";
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echo "<h4>Learn more about using a password with the monero wallet-rpc <a href=\"https://github.com/cryptochangements34/monerowp/blob/master/README.md\">here</a></h4>";
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}
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public function init_form_fields()
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{
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$this->form_fields = array(
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'enabled' => array(
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'title' => __('Enable / Disable', 'monero_gateway'),
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'label' => __('Enable this payment gateway', 'monero_gateway'),
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'type' => 'checkbox',
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'default' => 'no'
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),
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'title' => array(
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'title' => __('Title', 'monero_gateway'),
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'type' => 'text',
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'desc_tip' => __('Payment title the customer will see during the checkout process.', 'monero_gateway'),
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'default' => __('Monero XMR Payment', 'monero_gateway')
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),
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'description' => array(
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'title' => __('Description', 'monero_gateway'),
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'type' => 'textarea',
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'desc_tip' => __('Payment description the customer will see during the checkout process.', 'monero_gateway'),
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'default' => __('Pay securely using XMR.', 'monero_gateway')
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),
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'monero_address' => array(
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'title' => __('Monero Address', 'monero_gateway'),
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'label' => __('Useful for people that have not a daemon online'),
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'type' => 'text',
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'desc_tip' => __('Monero Wallet Address', 'monero_gateway')
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),
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'daemon_host' => array(
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'title' => __('Daemon Host/ IP', 'monero_gateway'),
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'type' => 'text',
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'desc_tip' => __('This is the Daemon Host/IP to authorize the payment with port', 'monero_gateway'),
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'default' => 'localhost',
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),
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'daemon_port' => array(
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'title' => __('Daemon PORT', 'monero_gateway'),
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'type' => 'text',
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'desc_tip' => __('This is the Daemon Host/IP to authorize the payment with port', 'monero_gateway'),
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'default' => '18080',
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),
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'username' => array(
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'title' => __('Daemon username', 'monero_gateway'),
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'desc_tip' => __('This is the username that you used with your monero wallet-rpc', 'monero_gateway'),
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'type' => __('text'),
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'default' => __('username','monero_gateway'),
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),
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'password' => array(
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'title' => __('Daemon password', 'monero_gateway'),
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'desc_tip' => __('This is the password that you used with your monero wallet-rpc', 'monero_gateway'),
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'description' => __('you can leave these fields empty if you did not set', 'monero_gateway'),
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'type' => __('text'),
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'default' => ''
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),
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'discount' => array(
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'title' => __('% discount for using XMR', 'monero_gateway'),
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'desc_tip' => __('Provide a descount to your customers for paying privatly with XMR!', 'monero_gateway'),
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'description' => __(' Want to spread the word about Monero? Offer a little discount! Leave this empty if you do not wish to provide a discount', 'monero_gateway'),
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'type' => __('checkbox'),
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'default' => 'no',
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),
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'environment' => array(
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'title' => __(' Test Mode', 'monero_gateway'),
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'label' => __('Enable Test Mode', 'monero_gateway'),
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'type' => 'checkbox',
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'description' => __('Check this box if you are using testnet', 'monero_gateway'),
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'default' => 'no'
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),
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);
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}
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public function retriveprice($currency)
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{
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$xmr_price = file_get_contents('https://min-api.cryptocompare.com/data/price?fsym=XMR&tsyms=BTC,USD,EUR,CAD,INR,GBP&extraParams=monero_woocommerce');
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$price = json_decode($xmr_price, TRUE);
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if(!isset($price)){
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$this->log->add('Monero_Gateway', '[ERROR] Unable to get the price of Monero');
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}
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if ($currency == 'USD') {
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return $price['USD'];
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}
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if ($currency == 'EUR') {
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return $price['EUR'];
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}
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if ($currency == 'CAD'){
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return $price['CAD'];
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}
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if ($currency == 'GBP'){
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return $price['GBP'];
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}
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if ($currency == 'INR'){
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return $price['INR'];
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}
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if($currency == 'XMR'){
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$price = '1';
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return $price;
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}
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}
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public function changeto($amount, $currency, $payment_id)
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{
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global $wpdb;
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// This will create a table named whatever the payment id is inside the database "WordPress"
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$create_table = "CREATE TABLE IF NOT EXISTS $payment_id (
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rate INT
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)";
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$wpdb->query($create_table);
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$rows_num = $wpdb->get_results("SELECT count(*) as count FROM $payment_id");
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if($rows_num[0]->count > 0) // Checks if the row has already been created or not
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{
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$stored_rate = $wpdb->get_results("SELECT rate FROM $payment_id");
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$stored_rate_transformed = $stored_rate[0]->rate / 100; //this will turn the stored rate back into a decimaled number
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if(isset($this->discount))
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{
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$discount_decimal = $this->discount / 100;
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$new_amount = $amount / $stored_rate_transformed;
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$discount = $new_amount * $discount_decimal;
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$final_amount = $new_amount - $discount;
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$rounded_amount = round($final_amount, 12);
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}
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else{
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$new_amount = $amount / $stored_rate_transformed;
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$rounded_amount = round($new_amount, 12); //the moneo wallet can't handle decimals smaller than 0.000000000001
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}
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}
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else // If the row has not been created then the live exchange rate will be grabbed and stored
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{
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$xmr_live_price = $this->retriveprice($currency);
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$live_for_storing = $xmr_live_price * 100; //This will remove the decimal so that it can easily be stored as an integer
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$new_amount = $amount / $xmr_live_price;
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$rounded_amount = round($new_amount, 12);
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$wpdb->query("INSERT INTO $payment_id (rate)
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VALUES ($live_for_storing)");
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}
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return $rounded_amount;
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}
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// Submit payment and handle response
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public function process_payment($order_id)
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{
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$order = wc_get_order($order_id);
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$order->update_status('on-hold', __('Awaiting offline payment', 'monero_gateway'));
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// Reduce stock levels
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$order->reduce_order_stock();
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// Remove cart
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WC()->cart->empty_cart();
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// Return thankyou redirect
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return array(
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'result' => 'success',
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'redirect' => $this->get_return_url($order)
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);
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}
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// Validate fields
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public function validate_fields()
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{
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if ($this->check_monero() != TRUE) {
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echo "<div class=\"error\"><p>Your Monero Address Seems not valid. Have you checked it?</p></div>";
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}
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}
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public function check_monero()
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{
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$monero_address = $this->settings['monero_address'];
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if (strlen($monero_address) == 95 && substr($monero_address, 1)) {
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return true;
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}
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return false;
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}
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private function set_paymentid_cookie()
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{
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if(!isset($_COOKIE['payment_id']))
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{
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$payment_id = bin2hex(openssl_random_pseudo_bytes(8));
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setcookie('payment_id', $payment_id, time()+2700);
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}
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else
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$payment_id = $_COOKIE['payment_id'];
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return $payment_id;
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}
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public function instruction($order_id)
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{
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$order = wc_get_order($order_id);
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$amount = floatval(preg_replace('#[^\d.]#', '', $order->get_total()));
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$payment_id = $this->set_paymentid_cookie();
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$currency = $order->get_currency();
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$amount_xmr2 = $this->changeto($amount, $currency, $payment_id);
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$address = $this->address;
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if(isset($address)){
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// If there isn't address (merchant missed that field!), $address will be the Monero address for donating :)
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$address = "44AFFq5kSiGBoZ4NMDwYtN18obc8AemS33DBLWs3H7otXft3XjrpDtQGv7SqSsaBYBb98uNbr2VBBEt7f2wfn3RVGQBEP3A";
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}
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$uri = "monero:$address?amount=$amount?payment_id=$payment_id";
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$array_integrated_address = $this->monero_daemon->make_integrated_address($payment_id);
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if(!isset($array_integrated_address)){
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$this->log->add('Monero_Gateway', '[ERROR] Unable to getting integrated address');
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// Seems that we can't connect with daemon, then set array_integrated_address, little hack
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$array_integrated_address["integrated_address"] = $address;
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}
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$message = $this->verify_payment($payment_id, $amount_xmr2, $order);
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echo "<h4>".$message."</h4>";
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echo "<link rel='stylesheet' href='https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css'>";
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echo "<div class='row'>
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<div class='col-sm-12 col-md-12 col-lg-12'>
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<div class='panel panel-default' id='PaymentBox_de3a227fb470475'>
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<div class='panel-body'>
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<div class='row'>
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<div class='col-sm-12 col-md-12 col-lg-12'>
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<h3> Monero Payment Box</h3>
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</div>
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<div class='col-sm-3 col-md-3 col-lg-3'>
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<img src='https://chart.googleapis.com/chart?cht=qr&chs=250x250&chl=" . $uri . "' class='img-responsive'>
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</div>
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<div class='col-sm-9 col-md-9 col-lg-9' style='padding:10px;'>
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Send <b>" . $amount_xmr2 . " XMR</b> to<br/><input type='text' class='form-control' value='" . $array_integrated_address["integrated_address"]."' disabled>
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or scan QR Code with your mobile device<br/><br/>
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<small>If you don't know how to pay with monero or you don't know what monero is, please go <a href='#'>here</a>. </small>
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</div>
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<div class='col-sm-12 col-md-12 col-lg-12'>
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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<script type='text/javascript'>
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setTimeout(function () { location.reload(true); }, $this->reloadTime);
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</script>";
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}
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// Check if we are forcing SSL on checkout pages
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// Custom function not required by the Gateway
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public function do_ssl_check()
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{
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if ($this->enabled == "yes") {
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if (get_option('woocommerce_force_ssl_checkout') == "no") {
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echo "<div class=\"error\"><p>" . sprintf(__("<strong>%s</strong> 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 <a href=\"%s\">forcing the checkout pages to be secured.</a>"), $this->method_title, admin_url('admin.php?page=wc-settings&tab=checkout')) . "</p></div>";
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}
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}
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}
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public function connect_daemon(){
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$host = $this->settings['daemon_host'];
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$port = $this->settings['daemon_port'];
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$monero_library = new Monero($host, $port);
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if( $monero_library->works() == true){
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echo "<div class=\"notice notice-success is-dismissible\"><p>Everything works! Congratulations and Welcome aboard Monero. <button type=\"button\" class=\"notice-dismiss\">
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<span class=\"screen-reader-text\">Dismiss this notice.</span>
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</button></p></div>";
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}
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else{
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$this->log->add('Monero_gateway','[ERROR] Plugin can not reach wallet rpc.');
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echo "<div class=\" notice notice-error\"><p>Error with connection of daemon, see documentation!</p></div>";
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} }
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public function verify_payment($payment_id, $amount, $order_id){
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/*
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* function for verifying payments
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* Check if a payment has been made with this payment id then notify the merchant
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*/
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$amount_atomic_units = $amount * 1000000000000;
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$get_payments_method = $this->monero_daemon->get_payments($payment_id);
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if(isset($get_payments_method["payments"][0]["amount"]))
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{
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if($get_payments_method["payments"][0]["amount"] >= $amount_atomic_units)
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{
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$message = "Payment has been received and confirmed. Thanks!";
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$this->log->add('Monero_gateway','[SUCCESS] Payment has been recorded. Congrats!');
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$paid = true;
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$order = wc_get_order($order_id);
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$order->update_status('completed', __('Payment has been received', 'monero_gateway'));
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$wpdb->query("DROP TABLE $payment_id"); // Drop the table from database after payment has been confirmed as it is no longer needed
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$this->reloadTime = 3000000000000; // Greatly increase the reload time as it is no longer needed
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}
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}
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else
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{
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$message = "We are waiting for your payment to be confirmed";
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}
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return $message;
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}
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public function getamountinfo(){
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$amount_wallet = $this->monero_daemon->getbalance();
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echo "Your amount is:".$account_wallet['balance']. "XMR </br>";
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echo "Unlocked balance:".$account_wallet['unlocked_balance']." </br>";
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}
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}
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