Changeset 2797338

Timestamp:

10/11/2022 03:54:40 PM (3 years ago)

Author:

cryptapi

Message:

v4.6.5 - new features

Location:

cryptapi-payment-gateway-for-woocommerce

Files:

• tags/4.6.5 (copied) (copied from cryptapi-payment-gateway-for-woocommerce/trunk)
• tags/4.6.5/CryptAPI.php (modified) (1 diff)
• tags/4.6.5/README.md (modified) (1 diff)
• tags/4.6.5/controllers/CryptAPI.php (modified) (9 diffs)
• tags/4.6.5/define.php (modified) (1 diff)
• tags/4.6.5/readme.txt (modified) (2 diffs)
• trunk/CryptAPI.php (modified) (1 diff)
• trunk/README.md (modified) (1 diff)
• trunk/controllers/CryptAPI.php (modified) (9 diffs)
• trunk/define.php (modified) (1 diff)
• trunk/readme.txt (modified) (2 diffs)

cryptapi-payment-gateway-for-woocommerce/tags/4.6.5/CryptAPI.php

@@ -4 +4 @@
 Plugin URI: https://github.com/cryptapi/woocommerce-cryptapi
 Description: Accept cryptocurrency payments on your WooCommerce website
-Version: 4.6.4
+Version: 4.6.5
 Requires at least: 5
 Tested up to: 6.0.2

cryptapi-payment-gateway-for-woocommerce/tags/4.6.5/README.md

@@ -286 +286 @@
 * Minor fixes
 
+#### 4.6.5
+* Added option to check for failed callbacks
+* Minor fixes
+
 ### Upgrade Notice
 #### 4.3

cryptapi-payment-gateway-for-woocommerce/tags/4.6.5/controllers/CryptAPI.php

@@ -3 +3 @@
 use Cryptapi\Helper;
 
-class WC_CryptAPI_Gateway extends WC_Payment_Gateway
-{
-    private static $HAS_TRIGGERED = false;
-    private static $COIN_OPTIONS = [];
-
-    function __construct()
-    {
-        $this->id = 'cryptapi';
-        $this->icon = CRYPTAPI_PLUGIN_URL . 'static/files/200_logo_ca.png';
-        $this->has_fields = true;
-        $this->method_title = 'CryptAPI';
-        $this->method_description = __('CryptAPI allows customers to pay in cryptocurrency', 'cryptapi');
-
-        $this->supports = array(
-            'products',
-            'tokenization',
-            'add_payment_method',
-            'subscriptions',
-            'subscription_cancellation',
-            'subscription_amount_changes',
-            'subscription_suspension',
-            'subscription_reactivation',
-            'subscription_date_changes',
-            'multiple_subscriptions',
-        );
-
-        $this->load_coins();
-
-        $this->init_form_fields();
-        $this->init_settings();
-        $this->ca_settings();
-
-        add_action('woocommerce_update_options_payment_gateways_' . $this->id, array($this, 'process_admin_options'));
-        add_action('woocommerce_thankyou_' . $this->id, array($this, 'thankyou_page'));
-        add_action('woocommerce_api_wc_gateway_' . $this->id, array($this, 'validate_payment'));
-
-        add_action('woocommerce_scheduled_subscription_payment_' . $this->id, array($this, 'scheduled_subscription_mail'), 10, 2);
-
-        add_action('wcs_create_pending_renewal', array($this, 'subscription_send_email'));
-
-        add_action('wp_ajax_nopriv_' . $this->id . '_order_status', array($this, 'order_status'));
-        add_action('wp_ajax_' . $this->id . '_order_status', array($this, 'order_status'));
-
-        add_action('cryptapi_cronjob', array($this, 'ca_cronjob'), 10, 3);
-
-        add_action('woocommerce_cart_calculate_fees', array($this, 'handling_fee'));
-
-        add_action('woocommerce_checkout_update_order_review', array($this, 'chosen_currency_value_to_wc_session'));
-
-        add_action('wp_footer', array($this, 'refresh_checkout'));
-
-        add_action('woocommerce_email_order_details', array($this, 'add_email_link'), 2, 4);
-
-        add_filter('woocommerce_my_account_my_orders_actions', array($this, 'add_order_link'), 10, 2);
-    }
-
-    function load_coins()
-    {
-        if (!empty(WC_CryptAPI_Gateway::$COIN_OPTIONS)) {
-            return;
-        }
-
-        $transient = get_transient('cryptapi_coins');
-        if (!empty($transient)) {
-            WC_CryptAPI_Gateway::$COIN_OPTIONS = $transient;
-
-            return;
-        }
-
-        $coins = CryptAPI\Helper::get_supported_coins();
-        set_transient('cryptapi_coins', $coins, 86400);
-        WC_CryptAPI_Gateway::$COIN_OPTIONS = $coins;
-    }
-
-    function admin_options()
-    {
-        parent::admin_options();
-        ?>
+class WC_CryptAPI_Gateway extends WC_Payment_Gateway {
+    private static $HAS_TRIGGERED = false;
+    private static $COIN_OPTIONS = [];
+
+    function __construct() {
+        $this->id                 = 'cryptapi';
+        $this->icon               = CRYPTAPI_PLUGIN_URL . 'static/files/200_logo_ca.png';
+        $this->has_fields         = true;
+        $this->method_title       = 'CryptAPI';
+        $this->method_description = esc_attr( __( 'CryptAPI allows customers to pay in cryptocurrency', 'cryptapi' ) );
+
+        $this->supports = array(
+            'products',
+            'tokenization',
+            'add_payment_method',
+            'subscriptions',
+            'subscription_cancellation',
+            'subscription_amount_changes',
+            'subscription_suspension',
+            'subscription_reactivation',
+            'subscription_date_changes',
+            'multiple_subscriptions',
+        );
+
+        $this->load_coins();
+
+        $this->init_form_fields();
+        $this->init_settings();
+        $this->ca_settings();
+
+        add_action( 'woocommerce_update_options_payment_gateways_' . $this->id, array( $this, 'process_admin_options' ) );
+        add_action( 'woocommerce_thankyou_' . $this->id, array( $this, 'thankyou_page' ) );
+        add_action( 'woocommerce_api_wc_gateway_' . $this->id, array( $this, 'validate_payment' ) );
+
+        add_action( 'woocommerce_scheduled_subscription_payment_' . $this->id, array( $this, 'scheduled_subscription_mail' ), 10, 2 );
+
+        add_action( 'wcs_create_pending_renewal', array( $this, 'subscription_send_email' ) );
+
+        add_action( 'wp_ajax_nopriv_' . $this->id . '_order_status', array( $this, 'order_status' ) );
+        add_action( 'wp_ajax_' . $this->id . '_order_status', array( $this, 'order_status' ) );
+
+        add_action( 'wp_ajax_' . $this->id . '_validate_logs', array( $this, 'validate_logs' ) );
+
+        add_action( 'cryptapi_cronjob', array( $this, 'ca_cronjob' ), 10, 3 );
+
+        add_action( 'woocommerce_cart_calculate_fees', array( $this, 'handling_fee' ) );
+
+        add_action( 'woocommerce_checkout_update_order_review', array( $this, 'chosen_currency_value_to_wc_session' ) );
+
+        add_action( 'wp_footer', array( $this, 'refresh_checkout' ) );
+
+        add_action( 'woocommerce_email_order_details', array( $this, 'add_email_link' ), 2, 4 );
+
+        add_filter( 'woocommerce_my_account_my_orders_actions', array( $this, 'add_order_link' ), 10, 2 );
+
+        add_action( 'woocommerce_admin_order_data_after_order_details', array( $this, 'order_detail_validate_logs' ) );
+
+    }
+
+    function load_coins() {
+        if ( ! empty( WC_CryptAPI_Gateway::$COIN_OPTIONS ) ) {
+            return;
+        }
+
+        $transient = get_transient( 'cryptapi_coins' );
+        if ( ! empty( $transient ) ) {
+            WC_CryptAPI_Gateway::$COIN_OPTIONS = $transient;
+
+            return;
+        }
+
+        $coins = CryptAPI\Helper::get_supported_coins();
+        set_transient( 'cryptapi_coins', $coins, 86400 );
+        WC_CryptAPI_Gateway::$COIN_OPTIONS = $coins;
+    }
+
+    function admin_options() {
+        parent::admin_options();
+        ?>
         <div style='margin-top: 2rem;'>
-            <?php echo __("If you need any help or have any suggestion, contact us via the <b>live chat</b> on our <b><a href='https://cryptapi.io' target='_blank'>website</a></b> or join our <b><a href='https://discord.gg/cryptapi' target='_blank'>Discord server</a></b>", "cryptapi") ?>
+            <?php echo __( "If you need any help or have any suggestion, contact us via the <b>live chat</b> on our <b><a href='https://cryptapi.io' target='_blank'>website</a></b> or join our <b><a href='https://discord.gg/cryptapi' target='_blank'>Discord server</a></b>", "cryptapi" ); ?>
         </div>
         <div style='margin-top: .5rem;'>
-            <?php echo __("If you enjoy this plugin please <b><a href='https://wordpress.org/support/plugin/cryptapi-payment-gateway-for-woocommerce/reviews/#new-post' target='_blank'>rate and review it</a></b>!", "cryptapi") ?>
+            <?php echo __( "If you enjoy this plugin please <b><a href='https://wordpress.org/support/plugin/cryptapi-payment-gateway-for-woocommerce/reviews/#new-post' target='_blank'>rate and review it</a></b>!", "cryptapi" ) ?>
         </div>
         <div style="margin-top: 1.5rem">
@@ -165 +166 @@
             </a>
         </div>
-        <?php
-    }
-
-    private function ca_settings()
-    {
-        $this->enabled = $this->get_option('enabled');
-        $this->title = $this->get_option('title');
-        $this->description = $this->get_option('description');
-        $this->api_key = $this->get_option('api_key');
-        $this->qrcode_size = $this->get_option('qrcode_size');
-        $this->qrcode_default = $this->get_option('qrcode_default') === 'yes';
-        $this->qrcode_setting = $this->get_option('qrcode_setting');
-        $this->coins = $this->get_option('coins');
-        $this->show_branding = $this->get_option('show_branding') === 'yes';
-        $this->show_crypto_logos = $this->get_option('show_crypto_logos') === 'yes';
-        $this->color_scheme = $this->get_option('color_scheme');
-        $this->refresh_value_interval = $this->get_option('refresh_value_interval');
-        $this->order_cancelation_timeout = $this->get_option('order_cancelation_timeout');
-        $this->add_blockchain_fee = $this->get_option('add_blockchain_fee') === 'yes';
-        $this->fee_order_percentage = $this->get_option('fee_order_percentage');
-        $this->virtual_complete = $this->get_option('virtual_complete') === 'yes';
-        $this->disable_conversion = $this->get_option('disable_conversion') === 'yes';
-        $this->icon = '';
-
-        if (!empty(WC_CryptAPI_Gateway::$COIN_OPTIONS)) {
-            foreach (array_keys(WC_CryptAPI_Gateway::$COIN_OPTIONS) as $coin) {
-                $this->{$coin . '_address'} = $this->get_option($coin . '_address');
-            }
-        }
-    }
-
-    function init_form_fields()
-    {
-
-        if (!empty(WC_CryptAPI_Gateway::$COIN_OPTIONS)) {
-            $this->form_fields = array(
-                'enabled' => array(
-                    'title' => __('Enabled', 'cryptapi'),
-                    'type' => 'checkbox',
-                    'label' => __('Enable CryptAPI Payments', 'cryptapi'),
-                    'default' => 'yes'
-                ),
-                'title' => array(
-                    'title' => __('Title', 'cryptapi'),
-                    'type' => 'text',
-                    'description' => __('This controls the title which the user sees during checkout.', 'cryptapi'),
-                    'default' => __('Cryptocurrency', 'cryptapi'),
-                    'desc_tip' => true,
-                ),
-                'description' => array(
-                    'title' => __('Description', 'cryptapi'),
-                    'type' => 'textarea',
-                    'default' => '',
-                    'description' => __('Payment method description that the customer will see on your checkout', 'cryptapi')
-                ),
-                'show_branding' => array(
-                    'title' => __('Show CryptAPI branding', 'cryptapi'),
-                    'type' => 'checkbox',
-                    'label' => __('Show CryptAPI logo and credits below the QR code', 'cryptapi'),
-                    'default' => 'yes'
-                ),
-                'show_crypto_logos' => array(
-                    'title' => __('Show crypto logos in checkout', 'cryptapi'),
-                    'type' => 'checkbox',
-                    'label' => sprintf(__('Enable this to show the cryptocurrencies logos in the checkout %1$s %2$s Notice: %3$s It may break in some templates. Use at your own risk.', 'cryptapi'), '<br/>', '<strong>', '</strong>'),
-                    'default' => 'no'
-                ),
-                'add_blockchain_fee' => array(
-                    'title' => __('Add the blockchain fee to the order', 'cryptapi'),
-                    'type' => 'checkbox',
-                    'label' => __("This will add an estimation of the blockchain fee to the order value", 'cryptapi'),
-                    'default' => 'no'
-                ),
-                'fee_order_percentage' => array(
-                    'title' => __('Service fee manager', 'cryptapi'),
-                    'type' => 'select',
-                    'default' => 'none',
-                    'options' => array(
-                        '0.05' => '5%',
-                        '0.048' => '4.8%',
-                        '0.045' => '4.5%',
-                        '0.042' => '4.2%',
-                        '0.04' => '4%',
-                        '0.038' => '3.8%',
-                        '0.035' => '3.5%',
-                        '0.032' => '3.2%',
-                        '0.03' => '3%',
-                        '0.028' => '2.8%',
-                        '0.025' => '2.5%',
-                        '0.022' => '2.2%',
-                        '0.02' => '2%',
-                        '0.018' => '1.8%',
-                        '0.015' => '1.5%',
-                        '0.012' => '1.2%',
-                        '0.01' => '1%',
-                        '0.0090' => '0.90%',
-                        '0.0085' => '0.85%',
-                        '0.0080' => '0.80%',
-                        '0.0075' => '0.75%',
-                        '0.0070' => '0.70%',
-                        '0.0065' => '0.65%',
-                        '0.0060' => '0.60%',
-                        '0.0055' => '0.55%',
-                        '0.0050' => '0.50%',
-                        '0.0040' => '0.40%',
-                        '0.0030' => '0.30%',
-                        '0.0025' => '0.25%',
-                        'none' => '0%',
-                    ),
-                    'description' => sprintf(__('Set the CryptAPI service fee you want to charge the costumer. %1$s %2$s Note: %3$s Fee you want to charge your costumers (to cover CryptAPI\'s fees fully or partially).', 'cryptapi'), '<br/>', '<strong>', '</strong>')
-                ),
-                'qrcode_default' => array(
-                    'title' => __('QR Code by default', 'cryptapi'),
-                    'type' => 'checkbox',
-                    'label' => __('Show the QR Code by default', 'cryptapi'),
-                    'default' => 'yes'
-                ),
-                'qrcode_size' => array(
-                    'title' => __('QR Code size', 'cryptapi'),
-                    'type' => 'number',
-                    'default' => 300,
-                    'description' => __('QR code image size', 'cryptapi')
-                ),
-                'qrcode_setting' => array(
-                    'title' => __('QR Code to show', 'cryptapi'),
-                    'type' => 'select',
-                    'default' => 'ammount',
-                    'options' => array(
-                        'without_ammount' => __('Default Without Amount', 'cryptapi'),
-                        'ammount' => __('Default Amount', 'cryptapi'),
-                        'hide_ammount' => __('Hide Amount', 'cryptapi'),
-                        'hide_without_ammount' => __('Hide Without Amount', 'cryptapi'),
-                    ),
-                    'description' => __('Select how you want to show the QR Code to the user. Either select a default to show first, or hide one of them.', 'cryptapi')
-                ),
-                'color_scheme' => array(
-                    'title' => __('Color Scheme', 'cryptapi'),
-                    'type' => 'select',
-                    'default' => 'light',
-                    'description' => __('Selects the color scheme of the plugin to match your website (Light, Dark and Auto to automatically detect it)', 'cryptapi'),
-                    'options' => array(
-                        'light' => __('Light', 'cryptapi'),
-                        'dark' => __('Dark', 'cryptapi'),
-                        'auto' => __('Auto', 'cryptapi'),
-                    ),
-                ),
-                'refresh_value_interval' => array(
-                    'title' => __('Refresh converted value', 'cryptapi'),
-                    'type' => 'select',
-                    'default' => '300',
-                    'options' => array(
-                        '0' => __('Never', 'cryptapi'),
-                        '300' => __('Every 5 Minutes', 'cryptapi'),
-                        '600' => __('Every 10 Minutes', 'cryptapi'),
-                        '900' => __('Every 15 Minutes', 'cryptapi'),
-                        '1800' => __('Every 30 Minutes', 'cryptapi'),
-                        '2700' => __('Every 45 Minutes', 'cryptapi'),
-                        '3600' => __('Every 60 Minutes', 'cryptapi'),
-                    ),
-                    'description' => sprintf(__('The system will automatically update the conversion value of the invoices (with real-time data), every X minutes. %1$s This feature is helpful whenever a customer takes long time to pay a generated invoice and the selected crypto a volatile coin/token (not stable coin). %1$s %4$s Warning: %3$s Setting this setting to none might create conversion issues, as we advise you to keep it at 5 minutes. %3$s', 'cryptapi'), '<br/>', '<strong>', '</strong>', '<strong style="color: #f44336;">'),
-                ),
-                'order_cancelation_timeout' => array(
-                    'title' => __('Order cancelation timeout', 'cryptapi'),
-                    'type' => 'select',
-                    'default' => '0',
-                    'options' => array(
-                        '0' => __('Never', 'cryptapi'),
-                        '3600' => __('1 Hour', 'cryptapi'),
-                        '21600' => __('6 Hours', 'cryptapi'),
-                        '43200' => __('12 Hours', 'cryptapi'),
-                        '64800' => __('18 Hours', 'cryptapi'),
-                        '86400' => __('24 Hours', 'cryptapi'),
-                    ),
-                    'description' => sprintf(__('Selects the amount of time the user has to  pay for the order. %1$s When this time is over, order will be marked as "Cancelled" and every paid value will be ignored. %1$s %2$s Notice: %3$s If the user still sends money to the generated address, value will still be redirected to you. %1$s %4$s Warning: %3$s We do not advice more than 1 Hour.', 'cryptapi'), '<br/>', '<strong>', '</strong>', '<strong style="color: #f44336;">'),
-                ),
-                'virtual_complete' => array(
-                    'title' => __('Completed status for virtual products', 'cryptapi'),
-                    'type' => 'checkbox',
-                    'label' => sprintf(__('When this setting is enabled, the plugin will mark the order as "completed" then payment is received. %1$s Only for virtual products %2$s.', 'cryptapi'), '<strong>', '</strong>'),
-                    'default' => 'no'
-                ),
-                'disable_conversion' => array(
-                    'title' => __('Disable price conversion', 'cryptapi'),
-                    'type' => 'checkbox',
-                    'label' => sprintf(__('%2$s Attention: This option will disable the price conversion for ALL cryptocurrencies! %3$s %1$s If you check this, pricing will not be converted from the currency of your shop to the cryptocurrency selected by the user, and users will be requested to pay the same value as shown on your shop, regardless of the cryptocurrency selected', 'cryptapi'), '<br/>', '<strong>', '</strong>'),
-                    'default' => 'no'
-                ),
-                'api_key' => array(
-                    'title' => __('API Key', 'cryptapi'),
-                    'type' => 'text',
-                    'default' => '',
-                    'description' => sprintf(__('Insert here your BlockBee API Key. You can get one here: %1$s', 'cryptapi'), '<a href="https://dash.blockbee.io/" target="_blank">https://dash.blockbee.io/</a>')
-                ),
-            );
-
-            $coin_description = __('Insert your %s address here. Leave the checkbox unselected if you want to skip this cryptocurrency', 'cryptapi');
-
-            $c = 0;
-            foreach (WC_CryptAPI_Gateway::$COIN_OPTIONS as $ticker => $coin) {
-                $this->form_fields["{$ticker}_address"] = array(
-                    'title' => is_array($coin) ? $coin['name'] : $coin,
-                    'type' => 'cryptocurrency',
-                    'description' => sprintf($coin_description, is_array($coin) ? $coin['name'] : $coin),
-                    'desc_tip' => true,
-                    'custom_attributes' => array(
-                        'counter' => $c++,
-                    )
-                );
-
-            }
-
-        }
-    }
-
-    function needs_setup()
-    {
-        if (empty($this->coins) || !is_array($this->coins)) {
-            return true;
-        }
-
-        foreach ($this->coins as $val) {
-            if (!empty($this->{$val . '_address'})) {
-                return false;
-            }
-        }
-
-        return true;
-    }
-
-    public function get_icon()
-    {
-
-        $icon = $this->show_branding ? '<img style="top: -5px; position:relative" width="120" src="' . plugin_dir_url(dirname(__FILE__)) . 'static/files/200_logo_ca.png' . '" alt="' . esc_attr($this->get_title()) . '" />' : '';
-
-        return apply_filters('woocommerce_gateway_icon', $icon, $this->id);
-    }
-
-    function payment_fields()
-    { ?>
+        <?php
+    }
+
+    private function ca_settings() {
+        $this->enabled                   = $this->get_option( 'enabled' );
+        $this->title                     = $this->get_option( 'title' );
+        $this->description               = $this->get_option( 'description' );
+        $this->api_key                   = $this->get_option( 'api_key' );
+        $this->qrcode_size               = $this->get_option( 'qrcode_size' );
+        $this->qrcode_default            = $this->get_option( 'qrcode_default' ) === 'yes';
+        $this->qrcode_setting            = $this->get_option( 'qrcode_setting' );
+        $this->coins                     = $this->get_option( 'coins' );
+        $this->show_branding             = $this->get_option( 'show_branding' ) === 'yes';
+        $this->show_crypto_logos         = $this->get_option( 'show_crypto_logos' ) === 'yes';
+        $this->color_scheme              = $this->get_option( 'color_scheme' );
+        $this->refresh_value_interval    = $this->get_option( 'refresh_value_interval' );
+        $this->order_cancelation_timeout = $this->get_option( 'order_cancelation_timeout' );
+        $this->add_blockchain_fee        = $this->get_option( 'add_blockchain_fee' ) === 'yes';
+        $this->fee_order_percentage      = $this->get_option( 'fee_order_percentage' );
+        $this->virtual_complete          = $this->get_option( 'virtual_complete' ) === 'yes';
+        $this->disable_conversion        = $this->get_option( 'disable_conversion' ) === 'yes';
+        $this->icon                      = '';
+
+        if ( ! empty( WC_CryptAPI_Gateway::$COIN_OPTIONS ) ) {
+            foreach ( array_keys( WC_CryptAPI_Gateway::$COIN_OPTIONS ) as $coin ) {
+                $this->{$coin . '_address'} = $this->get_option( $coin . '_address' );
+            }
+        }
+    }
+
+    function init_form_fields() {
+
+        if ( ! empty( WC_CryptAPI_Gateway::$COIN_OPTIONS ) ) {
+            $this->form_fields = array(
+                'enabled'                   => array(
+                    'title'   => esc_attr( __( 'Enabled', 'cryptapi' ) ),
+                    'type'    => 'checkbox',
+                    'label'   => esc_attr( __( 'Enable CryptAPI Payments', 'cryptapi' ) ),
+                    'default' => 'yes'
+                ),
+                'title'                     => array(
+                    'title'       => esc_attr( __( 'Title', 'cryptapi' ) ),
+                    'type'        => 'text',
+                    'description' => esc_attr( __( 'This controls the title which the user sees during checkout.', 'cryptapi' ) ),
+                    'default'     => esc_attr( __( 'Cryptocurrency', 'cryptapi' ) ),
+                    'desc_tip'    => true,
+                ),
+                'description'               => array(
+                    'title'       => esc_attr( __( 'Description', 'cryptapi' ) ),
+                    'type'        => 'textarea',
+                    'default'     => '',
+                    'description' => esc_attr( __( 'Payment method description that the customer will see on your checkout', 'cryptapi' ) )
+                ),
+                'show_branding'             => array(
+                    'title'   => esc_attr( __( 'Show CryptAPI branding', 'cryptapi' ) ),
+                    'type'    => 'checkbox',
+                    'label'   => esc_attr( __( 'Show CryptAPI logo and credits below the QR code', 'cryptapi' ) ),
+                    'default' => 'yes'
+                ),
+                'show_crypto_logos'         => array(
+                    'title'   => esc_attr( __( 'Show crypto logos in checkout', 'cryptapi' ) ),
+                    'type'    => 'checkbox',
+                    'label'   => sprintf( esc_attr( __( 'Enable this to show the cryptocurrencies logos in the checkout %1$s %2$s Notice: %3$s It may break in some templates. Use at your own risk.', 'cryptapi' ) ), '<br/>', '<strong>', '</strong>' ),
+                    'default' => 'no'
+                ),
+                'add_blockchain_fee'        => array(
+                    'title'   => esc_attr( __( 'Add the blockchain fee to the order', 'cryptapi' ) ),
+                    'type'    => 'checkbox',
+                    'label'   => esc_attr( __( "This will add an estimation of the blockchain fee to the order value", 'cryptapi' ) ),
+                    'default' => 'no'
+                ),
+                'fee_order_percentage'      => array(
+                    'title'       => esc_attr( __( 'Service fee manager', 'cryptapi' ) ),
+                    'type'        => 'select',
+                    'default'     => 'none',
+                    'options'     => array(
+                        '0.05'   => '5%',
+                        '0.048'  => '4.8%',
+                        '0.045'  => '4.5%',
+                        '0.042'  => '4.2%',
+                        '0.04'   => '4%',
+                        '0.038'  => '3.8%',
+                        '0.035'  => '3.5%',
+                        '0.032'  => '3.2%',
+                        '0.03'   => '3%',
+                        '0.028'  => '2.8%',
+                        '0.025'  => '2.5%',
+                        '0.022'  => '2.2%',
+                        '0.02'   => '2%',
+                        '0.018'  => '1.8%',
+                        '0.015'  => '1.5%',
+                        '0.012'  => '1.2%',
+                        '0.01'   => '1%',
+                        '0.0090' => '0.90%',
+                        '0.0085' => '0.85%',
+                        '0.0080' => '0.80%',
+                        '0.0075' => '0.75%',
+                        '0.0070' => '0.70%',
+                        '0.0065' => '0.65%',
+                        '0.0060' => '0.60%',
+                        '0.0055' => '0.55%',
+                        '0.0050' => '0.50%',
+                        '0.0040' => '0.40%',
+                        '0.0030' => '0.30%',
+                        '0.0025' => '0.25%',
+                        'none'   => '0%',
+                    ),
+                    'description' => sprintf( esc_attr( __( 'Set the CryptAPI service fee you want to charge the costumer. %1$s %2$s Note: %3$s Fee you want to charge your costumers (to cover CryptAPI\'s fees fully or partially).', 'cryptapi' ) ), '<br/>', '<strong>', '</strong>' )
+                ),
+                'qrcode_default'            => array(
+                    'title'   => esc_attr( __( 'QR Code by default', 'cryptapi' ) ),
+                    'type'    => 'checkbox',
+                    'label'   => esc_attr( __( 'Show the QR Code by default', 'cryptapi' ) ),
+                    'default' => 'yes'
+                ),
+                'qrcode_size'               => array(
+                    'title'       => esc_attr( __( 'QR Code size', 'cryptapi' ) ),
+                    'type'        => 'number',
+                    'default'     => 300,
+                    'description' => esc_attr( __( 'QR code image size', 'cryptapi' ) )
+                ),
+                'qrcode_setting'            => array(
+                    'title'       => esc_attr( __( 'QR Code to show', 'cryptapi' ) ),
+                    'type'        => 'select',
+                    'default'     => 'without_ammount',
+                    'options'     => array(
+                        'without_ammount'      => esc_attr( __( 'Default Without Amount', 'cryptapi' ) ),
+                        'ammount'              => esc_attr( __( 'Default Amount', 'cryptapi' ) ),
+                        'hide_ammount'         => esc_attr( __( 'Hide Amount', 'cryptapi' ) ),
+                        'hide_without_ammount' => esc_attr( __( 'Hide Without Amount', 'cryptapi' ) ),
+                    ),
+                    'description' => esc_attr( __( 'Select how you want to show the QR Code to the user. Either select a default to show first, or hide one of them.', 'cryptapi' ) )
+                ),
+                'color_scheme'              => array(
+                    'title'       => esc_attr( __( 'Color Scheme', 'cryptapi' ) ),
+                    'type'        => 'select',
+                    'default'     => 'light',
+                    'description' => esc_attr( __( 'Selects the color scheme of the plugin to match your website (Light, Dark and Auto to automatically detect it)', 'cryptapi' ) ),
+                    'options'     => array(
+                        'light' => esc_attr( __( 'Light', 'cryptapi' ) ),
+                        'dark'  => esc_attr( __( 'Dark', 'cryptapi' ) ),
+                        'auto'  => esc_attr( __( 'Auto', 'cryptapi' ) ),
+                    ),
+                ),
+                'refresh_value_interval'    => array(
+                    'title'       => esc_attr( __( 'Refresh converted value', 'cryptapi' ) ),
+                    'type'        => 'select',
+                    'default'     => '300',
+                    'options'     => array(
+                        '0'    => esc_attr( __( 'Never', 'cryptapi' ) ),
+                        '300'  => esc_attr( __( 'Every 5 Minutes', 'cryptapi' ) ),
+                        '600'  => esc_attr( __( 'Every 10 Minutes', 'cryptapi' ) ),
+                        '900'  => esc_attr( __( 'Every 15 Minutes', 'cryptapi' ) ),
+                        '1800' => esc_attr( __( 'Every 30 Minutes', 'cryptapi' ) ),
+                        '2700' => esc_attr( __( 'Every 45 Minutes', 'cryptapi' ) ),
+                        '3600' => esc_attr( __( 'Every 60 Minutes', 'cryptapi' ) ),
+                    ),
+                    'description' => sprintf( esc_attr( __( 'The system will automatically update the conversion value of the invoices (with real-time data), every X minutes. %1$s This feature is helpful whenever a customer takes long time to pay a generated invoice and the selected crypto a volatile coin/token (not stable coin). %1$s %4$s Warning: %3$s Setting this setting to none might create conversion issues, as we advise you to keep it at 5 minutes. %3$s', 'cryptapi' ) ), '<br/>', '<strong>', '</strong>', '<strong style="color: #f44336;">' ),
+                ),
+                'order_cancelation_timeout' => array(
+                    'title'       => esc_attr( __( 'Order cancelation timeout', 'cryptapi' ) ),
+                    'type'        => 'select',
+                    'default'     => '0',
+                    'options'     => array(
+                        '0'     => esc_attr( __( 'Never', 'cryptapi' ) ),
+                        '3600'  => esc_attr( __( '1 Hour', 'cryptapi' ) ),
+                        '21600' => esc_attr( __( '6 Hours', 'cryptapi' ) ),
+                        '43200' => esc_attr( __( '12 Hours', 'cryptapi' ) ),
+                        '64800' => esc_attr( __( '18 Hours', 'cryptapi' ) ),
+                        '86400' => esc_attr( __( '24 Hours', 'cryptapi' ) ),
+                    ),
+                    'description' => sprintf( esc_attr( __( 'Selects the amount of time the user has to  pay for the order. %1$s When this time is over, order will be marked as "Cancelled" and every paid value will be ignored. %1$s %2$s Notice: %3$s If the user still sends money to the generated address, value will still be redirected to you. %1$s %4$s Warning: %3$s We do not advice more than 1 Hour.', 'cryptapi' ) ), '<br/>', '<strong>', '</strong>', '<strong style="color: #f44336;">' ),
+                ),
+                'virtual_complete'          => array(
+                    'title'   => esc_attr( __( 'Completed status for virtual products', 'cryptapi' ) ),
+                    'type'    => 'checkbox',
+                    'label'   => sprintf( __( 'When this setting is enabled, the plugin will mark the order as "completed" then payment is received. %1$s Only for virtual products %2$s.', 'cryptapi' ), '<strong>', '</strong>' ),
+                    'default' => 'no'
+                ),
+                'disable_conversion'        => array(
+                    'title'   => esc_attr( __( 'Disable price conversion', 'cryptapi' ) ),
+                    'type'    => 'checkbox',
+                    'label'   => sprintf( __( '%2$s Attention: This option will disable the price conversion for ALL cryptocurrencies! %3$s %1$s If you check this, pricing will not be converted from the currency of your shop to the cryptocurrency selected by the user, and users will be requested to pay the same value as shown on your shop, regardless of the cryptocurrency selected', 'cryptapi' ), '<br/>', '<strong>', '</strong>' ),
+                    'default' => 'no'
+                ),
+                'api_key'                   => array(
+                    'title'       => esc_attr( __( 'API Key', 'cryptapi' ) ),
+                    'type'        => 'text',
+                    'default'     => '',
+                    'description' => sprintf( esc_attr( __( 'Insert here your BlockBee API Key. You can get one here: %1$s', 'cryptapi' ) ), '<a href="https://dash.blockbee.io/" target="_blank">https://dash.blockbee.io/</a>' )
+                ),
+            );
+
+            $coin_description = esc_attr( __( 'Insert your %s address here. Leave the checkbox unselected if you want to skip this cryptocurrency', 'cryptapi' ) );
+
+            $c = 0;
+            foreach ( WC_CryptAPI_Gateway::$COIN_OPTIONS as $ticker => $coin ) {
+                $this->form_fields["{$ticker}_address"] = array(
+                    'title'             => is_array( $coin ) ? $coin['name'] : $coin,
+                    'type'              => 'cryptocurrency',
+                    'description'       => sprintf( $coin_description, is_array( $coin ) ? $coin['name'] : $coin ),
+                    'desc_tip'          => true,
+                    'custom_attributes' => array(
+                        'counter' => $c ++,
+                    )
+                );
+
+            }
+
+        }
+    }
+
+    function needs_setup() {
+        if ( empty( $this->coins ) || ! is_array( $this->coins ) ) {
+            return true;
+        }
+
+        foreach ( $this->coins as $val ) {
+            if ( ! empty( $this->{$val . '_address'} ) ) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    public function get_icon() {
+
+        $icon = $this->show_branding ? '<img style="top: -5px; position:relative" width="120" src="' . esc_url( plugin_dir_url( dirname( __FILE__ ) ) ) . 'static/files/200_logo_ca.png' . '" alt="' . esc_attr( $this->get_title() ) . '" />' : '';
+
+        return apply_filters( 'woocommerce_gateway_icon', $icon, $this->id );
+    }
+
+    function payment_fields() { ?>
         <div class="form-row form-row-wide">
-            <p><?php echo $this->description; ?></p>
+            <p><?php echo esc_attr( $this->description ); ?></p>
             <ul style="margin-top: 7px; list-style: none outside;">
-                <?php
-                if (!empty($this->coins) && is_array($this->coins)) {
-                    $selected = WC()->session->get('cryptapi_coin');
-                    ?>
+                <?php
+                if ( ! empty( $this->coins ) && is_array( $this->coins ) ) {
+                    $selected = WC()->session->get( 'cryptapi_coin' );
+                    ?>
                     <li>
                         <select name="cryptapi_coin" id="payment_cryptapi_coin" class="input-control" style="display:block; margin-top: 10px">
-                            <option value="none"><?php echo __('Please select a Cryptocurrency', 'cryptapi') ?></option>
-                            <?php
-                            foreach ($this->coins as $val) {
-                                $addr = $this->{$val . '_address'};
-                                $apikey = $this->api_key;
-                                if (!empty($addr) || !empty($apikey)) { ?>
-                                    <option data-image="<?php echo WC_CryptAPI_Gateway::$COIN_OPTIONS[$val]['logo']; ?>" value="<?php echo $val; ?>" <?php
-                                    if (!empty($selected) && $selected === $val) {
-                                        echo " selected='true'";
-                                    }
-                                    $crypto_name = is_array(WC_CryptAPI_Gateway::$COIN_OPTIONS[$val]) ? WC_CryptAPI_Gateway::$COIN_OPTIONS[$val]['name'] : WC_CryptAPI_Gateway::$COIN_OPTIONS[$val];
-                                    ?>> <?php echo __('Pay with', 'cryptapi') . ' ' . $crypto_name; ?></option>
-                                    <?php
-                                }
-                            }
-                            ?>
+                            <option value="none"><?php echo esc_attr( __( 'Please select a Cryptocurrency', 'cryptapi' ) ) ?></option>
+                            <?php
+                            foreach ( $this->coins as $val ) {
+                                $addr   = $this->{$val . '_address'};
+                                $apikey = $this->api_key;
+                                if ( ! empty( $addr ) || ! empty( $apikey ) ) { ?>
+                                    <option data-image="<?php echo esc_url( WC_CryptAPI_Gateway::$COIN_OPTIONS[ $val ]['logo'] ); ?>" value="<?php echo esc_attr( $val ); ?>" <?php
+                                    if ( ! empty( $selected ) && $selected === $val ) {
+                                        echo esc_attr( "selected='true'" );
+                                    }
+                                    $crypto_name = is_array( WC_CryptAPI_Gateway::$COIN_OPTIONS[ $val ] ) ? WC_CryptAPI_Gateway::$COIN_OPTIONS[ $val ]['name'] : WC_CryptAPI_Gateway::$COIN_OPTIONS[ $val ];
+                                    ?>> <?php echo esc_attr( __( 'Pay with', 'cryptapi' ) . ' ' . $crypto_name ); ?></option>
+                                    <?php
+                                }
+                            }
+                            ?>
                         </select>
                     </li>
-                    <?php
-                } ?>
+                    <?php
+                } ?>
             </ul>
         </div>
-        <?php
-        if ($this->show_crypto_logos) {
-            ?>
+        <?php
+        if ( $this->show_crypto_logos ) {
+            ?>
             <script>
                 if (typeof jQuery.fn.selectWoo !== 'undefined') {
@@ -458 +454 @@
                 }
             </script>
-            <?php
+            <?php
+        }
+    }
+
+    function validate_fields() {
+        return array_key_exists( sanitize_text_field( $_POST['cryptapi_coin'] ), WC_CryptAPI_Gateway::$COIN_OPTIONS );
+    }
+
+    function process_payment( $order_id ) {
+        global $woocommerce;
+
+        $selected = sanitize_text_field( $_POST['cryptapi_coin'] );
+
+        if ( $selected === 'none' ) {
+            wc_add_notice( __( 'Payment error: ', 'woocommerce' ) . ' ' . __( 'Please choose a cryptocurrency', 'cryptapi' ), 'error' );
+
+            return null;
+        }
+
+        $api_key = $this->api_key;
+        $addr    = $this->{$selected . '_address'};
+
+        if ( ! empty( $addr ) || ! empty( $api_key ) ) {
+
+            $nonce = $this->generate_nonce();
+
+            $callback_url = str_replace( 'https:', 'http:', add_query_arg( array(
+                'wc-api'   => 'WC_Gateway_CryptAPI',
+                'order_id' => $order_id,
+                'nonce'    => $nonce,
+            ), home_url( '/' ) ) );
+
+            try {
+                $order = new WC_Order( $order_id );
+
+                if ( in_array( 'woocommerce-subscriptions/woocommerce-subscriptions.php', apply_filters( 'active_plugins', get_option( 'active_plugins' ) ) ) ) {
+
+                    if ( wcs_order_contains_subscription( $order_id ) ) {
+
+                        $sign_up_fee      = ( WC_Subscriptions_Order::get_sign_up_fee( $order ) ) ? 0 : WC_Subscriptions_Order::get_sign_up_fee( $order );
+                        $initial_payment  = ( WC_Subscriptions_Order::get_total_initial_payment( $order ) ) ? 0 : WC_Subscriptions_Order::get_total_initial_payment( $order );
+                        $price_per_period = ( WC_Subscriptions_Order::get_recurring_total( $order ) ) ? 0 : WC_Subscriptions_Order::get_recurring_total( $order );
+
+                        $total = $sign_up_fee + $initial_payment + $price_per_period + $order->get_total( 'edit' );
+
+                        if ( $total == 0 ) {
+                            $order->add_meta_data( 'cryptapi_currency', $selected );
+                            $order->save_meta_data();
+                            $order->payment_complete();
+                            $woocommerce->cart->empty_cart();
+
+                            return array(
+                                'result'   => 'success',
+                                'redirect' => $this->get_return_url( $order )
+                            );
+                        }
+                    }
+                }
+
+                $total = $order->get_total( 'edit' );
+
+                $currency = get_woocommerce_currency();
+
+                $info   = CryptAPI\Helper::get_info( $selected );
+                $min_tx = CryptAPI\Helper::sig_fig( $info->minimum_transaction_coin, 6 );
+
+                $crypto_total = CryptAPI\Helper::get_conversion( $currency, $selected, $total, $this->disable_conversion );
+
+                if ( $crypto_total < $min_tx ) {
+                    wc_add_notice( __( 'Payment error:', 'woocommerce' ) . ' ' . __( 'Value too low, minimum is', 'cryptapi' ) . ' ' . $min_tx . ' ' . strtoupper( $selected ), 'error' );
+
+                    return null;
+                }
+
+                $ca = new CryptAPI\Helper( $selected, $addr, $api_key, $callback_url, [], true );
+
+                $addr_in = $ca->get_address();
+
+                if ( empty( $addr_in ) ) {
+                    wc_add_notice( __( 'Payment error:', 'woocommerce' ) . ' ' . __( 'There was an error with the payment. Please try again.', 'cryptapi' ) );
+
+                    return null;
+                }
+
+                $qr_code_data_value = CryptAPI\Helper::get_static_qrcode( $addr_in, $selected, $crypto_total, $this->qrcode_size );
+                $qr_code_data       = CryptAPI\Helper::get_static_qrcode( $addr_in, $selected, '', $this->qrcode_size );
+
+                $order->add_meta_data( 'cryptapi_nonce', $nonce );
+                $order->add_meta_data( 'cryptapi_address', $addr_in );
+                $order->add_meta_data( 'cryptapi_total', CryptAPI\Helper::sig_fig( $crypto_total, 6 ) );
+                $order->add_meta_data( 'cryptapi_total_fiat', $total );
+                $order->add_meta_data( 'cryptapi_currency', $selected );
+                $order->add_meta_data( 'cryptapi_qr_code_value', $qr_code_data_value['qr_code'] );
+                $order->add_meta_data( 'cryptapi_qr_code', $qr_code_data['qr_code'] );
+                $order->add_meta_data( 'cryptapi_last_price_update', time() );
+                $order->add_meta_data( 'cryptapi_cancelled', '0' );
+                $order->add_meta_data( 'cryptapi_min', $min_tx );
+                $order->add_meta_data( 'cryptapi_history', json_encode( [] ) );
+                $order->add_meta_data( 'cryptapi_callback_url', $callback_url );
+                $order->add_meta_data( 'cryptapi_last_checked', $order->get_date_created()->getTimestamp() );
+                $order->save_meta_data();
+
+                $order->update_status( 'on-hold', __( 'Awaiting payment', 'cryptapi' ) . ': ' . WC_CryptAPI_Gateway::$COIN_OPTIONS[ $selected ] );
+                $woocommerce->cart->empty_cart();
+
+                return array(
+                    'result'   => 'success',
+                    'redirect' => $this->get_return_url( $order )
+                );
+
+            } catch ( Exception $e ) {
+                wc_add_notice( __( 'Payment error:', 'cryptapi' ) . 'Unknown coin', 'error' );
+
+                return null;
+            }
+        }
+
+        wc_add_notice( __( 'Payment error:', 'woocommerce' ) . __( 'Payment could not be processed, please try again', 'cryptapi' ), 'error' );
+
+        return null;
+    }
+
+    function validate_payment() {
+        $data = CryptAPI\Helper::process_callback( $_GET );
+
+        $order = new WC_Order( $data['order_id'] );
+
+        if ( $order->is_paid() || $order->get_status() === 'cancelled' || $data['nonce'] != $order->get_meta( 'cryptapi_nonce' ) ) {
+            die( "*ok*" );
+        }
+
+        $order->update_meta_data( 'cryptapi_last_checked', time() );
+        $order->save_meta_data();
+
+        // Actually process the callback data
+        $this->process_callback_data( $data, $order );
+    }
+
+    function order_status() {
+        $order_id = sanitize_text_field( $_REQUEST['order_id'] );
+
+        try {
+            $order = new WC_Order( $order_id );
+
+            $showMinFee = '0';
+
+            $history = json_decode( $order->get_meta( 'cryptapi_history' ), true );
+
+            $calc = $this->calc_order( $history, $order->get_meta( 'cryptapi_total' ), $order->get_meta( 'cryptapi_total_fiat' ) );
+
+            $already_paid      = $calc['already_paid'];
+            $already_paid_fiat = $calc['already_paid_fiat'];
+
+            $min_tx = floatval( $order->get_meta( 'cryptapi_min' ) );
+
+            $remaining_pending = $calc['remaining_pending'];
+            $remaining_fiat    = $calc['remaining_fiat'];
+
+            $cryptapi_pending = 0;
+
+            $counter_calc = (int) $order->get_meta( 'cryptapi_last_price_update' ) + (int) $this->refresh_value_interval - time();
+
+            if ( $remaining_pending <= 0 && ! $order->is_paid() ) {
+                $cryptapi_pending = 1;
+            }
+
+            if ( $counter_calc <= 0 && ! $order->is_paid() ) {
+                $this->ca_cronjob();
+            }
+
+            if ( $remaining_pending <= $min_tx && $remaining_pending > 0 ) {
+                $remaining_pending = $min_tx;
+                $showMinFee        = 1;
+            }
+
+            $data = [
+                'is_paid'           => $order->is_paid(),
+                'is_pending'        => $cryptapi_pending,
+                'qr_code_value'     => $order->get_meta( 'cryptapi_qr_code_value' ),
+                'cancelled'         => (int) $order->get_meta( 'cryptapi_cancelled' ),
+                'coin'              => strtoupper( $order->get_meta( 'cryptapi_currency' ) ),
+                'show_min_fee'      => $showMinFee,
+                'order_history'     => json_decode( $order->get_meta( 'cryptapi_history' ), true ),
+                'counter'           => (string) $counter_calc,
+                'crypto_total'      => floatval( $order->get_meta( 'cryptapi_total' ) ),
+                'already_paid'      => $already_paid,
+                'remaining'         => $remaining_pending <= 0 ? 0 : $remaining_pending,
+                'fiat_remaining'    => $remaining_fiat <= 0 ? 0 : $remaining_fiat,
+                'already_paid_fiat' => floatval( $already_paid_fiat ) <= 0 ? 0 : floatval( $already_paid_fiat ),
+                'fiat_symbol'       => get_woocommerce_currency_symbol(),
+            ];
+
+            echo json_encode( $data );
+            die();
+
+        } catch ( Exception $e ) {
+            //
+        }
+
+        echo json_encode( [ 'status' => 'error', 'error' => 'Not a valid order_id' ] );
+        die();
+    }
+
+    function validate_logs() {
+        $order_id = sanitize_text_field( $_REQUEST['order_id'] );
+        $order = new WC_Order($order_id);
+
+        try {
+
+            $callbacks = CryptAPI\Helper::check_logs( $order->get_meta( 'cryptapi_callback_url' ), $order->get_meta( 'cryptapi_currency' ) );
+
+            $order->update_meta_data( 'cryptapi_last_checked', time() );
+            $order->save_meta_data();
+
+            if($callbacks) {
+                foreach ( $callbacks as $callback ) {
+                    $logs        = $callback->logs;
+                    $request_url = parse_url( $logs[0]->request_url );
+                    parse_str( $request_url['query'], $data );
+
+                    if ( empty( $history[ $data->uuid ] ) || ( ! empty( $history[ $data->uuid ] ) && (int) $history[ $data->uuid ]['pending'] === 1 && (int) $data['pending'] === 0 ) ) {
+                        $this->process_callback_data( $data, $order, true );
+                    }
+                }
+            }
+            die();
+        } catch ( Exception $e ) {
+            //
+        }
+        die();
+    }
+
+    function process_callback_data( $data, $order, $validation = false ) {
+        $paid = floatval( $data['value_coin'] );
+
+        $min_tx = floatval( $order->get_meta( 'cryptapi_min' ) );
+
+        $crypto_coin = strtoupper( $order->get_meta( 'cryptapi_currency' ) );
+
+        $history = json_decode( $order->get_meta( 'cryptapi_history' ), true );
+
+        if(!$data['uuid']) {
+            if ( ! $validation ) {
+                die( "*ok*" );
+            } else {
+                return;
+            }
         }
-    }
-
-    function validate_fields()
-    {
-        return array_key_exists(sanitize_text_field($_POST['cryptapi_coin']), WC_CryptAPI_Gateway::$COIN_OPTIONS);
-    }
-
-    function process_payment($order_id)
-    {
-        global $woocommerce;
-
-        $selected = sanitize_text_field($_POST['cryptapi_coin']);
-
-        if ($selected === 'none') {
-            wc_add_notice(__('Payment error: ', 'woocommerce') . ' ' . __('Please choose a cryptocurrency', 'cryptapi'), 'error');
-
-            return null;
-        }
-
-        $api_key = $this->api_key;
-        $addr = $this->{$selected . '_address'};
-
-        if (!empty($addr) || !empty($api_key)) {
-
-            $nonce = $this->generate_nonce();
-
-            $callback_url = str_replace('https:', 'http:', add_query_arg(array(
-                'wc-api' => 'WC_Gateway_CryptAPI',
-                'order_id' => $order_id,
-                'nonce' => $nonce,
-            ), home_url('/')));
-
-            try {
-                $order = new WC_Order($order_id);
-
-                if (in_array('woocommerce-subscriptions/woocommerce-subscriptions.php', apply_filters('active_plugins', get_option('active_plugins')))) {
-
-                    if (wcs_order_contains_subscription($order_id)) {
-
-                        $sign_up_fee = (WC_Subscriptions_Order::get_sign_up_fee($order)) ? 0 : WC_Subscriptions_Order::get_sign_up_fee($order);
-                        $initial_payment = (WC_Subscriptions_Order::get_total_initial_payment($order)) ? 0 : WC_Subscriptions_Order::get_total_initial_payment($order);
-                        $price_per_period = (WC_Subscriptions_Order::get_recurring_total($order)) ? 0 : WC_Subscriptions_Order::get_recurring_total($order);
-
-                        $total = $sign_up_fee + $initial_payment + $price_per_period + $order->get_total('edit');
-
-                        if ($total == 0) {
-                            $order->add_meta_data('cryptapi_currency', $selected);
-                            $order->save_meta_data();
-                            $order->payment_complete();
-                            $woocommerce->cart->empty_cart();
-
-                            return array(
-                                'result' => 'success',
-                                'redirect' => $this->get_return_url($order)
-                            );
-                        }
-                    }
-                }
-
-                $total = $order->get_total('edit');
-
-                $currency = get_woocommerce_currency();
-
-                $info = CryptAPI\Helper::get_info($selected);
-                $min_tx = CryptAPI\Helper::sig_fig($info->minimum_transaction_coin, 6);
-
-                $crypto_total = CryptAPI\Helper::get_conversion($currency, $selected, $total, $this->disable_conversion);
-
-                if ($crypto_total < $min_tx) {
-                    wc_add_notice(__('Payment error:', 'woocommerce') . ' ' . __('Value too low, minimum is', 'cryptapi') . ' ' . $min_tx . ' ' . strtoupper($selected), 'error');
-
-                    return null;
-                }
-
-                $ca = new CryptAPI\Helper($selected, $addr, $api_key, $callback_url, [], true);
-
-                $addr_in = $ca->get_address();
-
-                if (empty($addr_in)) {
-                    wc_add_notice(__('Payment error:', 'woocommerce') . ' ' . __('There was an error with the payment. Please try again.', 'cryptapi'));
-
-                    return null;
-                }
-
-                $qr_code_data_value = CryptAPI\Helper::get_static_qrcode($addr_in, $selected, $crypto_total, $this->qrcode_size);
-                $qr_code_data = CryptAPI\Helper::get_static_qrcode($addr_in, $selected, '', $this->qrcode_size);
-
-                $order->add_meta_data('cryptapi_nonce', $nonce);
-                $order->add_meta_data('cryptapi_address', $addr_in);
-                $order->add_meta_data('cryptapi_total', CryptAPI\Helper::sig_fig($crypto_total, 6));
-                $order->add_meta_data('cryptapi_total_fiat', $total);
-                $order->add_meta_data('cryptapi_currency', $selected);
-                $order->add_meta_data('cryptapi_qr_code_value', $qr_code_data_value['qr_code']);
-                $order->add_meta_data('cryptapi_qr_code', $qr_code_data['qr_code']);
-                $order->add_meta_data('cryptapi_last_price_update', time());
-                $order->add_meta_data('cryptapi_cancelled', '0');
-                $order->add_meta_data('cryptapi_min', $min_tx);
-                $order->add_meta_data('cryptapi_history', json_encode([]));
-                $order->add_meta_data('cryptapi_callback_url', $callback_url);
-                $order->add_meta_data('cryptapi_last_checked', $order->get_date_created()->getTimestamp());
-                $order->save_meta_data();
-
-                $order->update_status('on-hold', __('Awaiting payment', 'cryptapi') . ': ' . WC_CryptAPI_Gateway::$COIN_OPTIONS[$selected]);
-                $woocommerce->cart->empty_cart();
-
-                return array(
-                    'result' => 'success',
-                    'redirect' => $this->get_return_url($order)
-                );
-
-            } catch (Exception $e) {
-                wc_add_notice(__('Payment error:', 'cryptapi') . 'Unknown coin', 'error');
-
-                return null;
-            }
-        }
-
-        wc_add_notice(__('Payment error:', 'woocommerce') . __('Payment could not be processed, please try again', 'cryptapi'), 'error');
-
-        return null;
-    }
-
-    function validate_payment()
-    {
-        $data = CryptAPI\Helper::process_callback($_GET);
-
-        $order = new WC_Order($data['order_id']);
-
-        if ($order->is_paid() || $order->get_status() === 'cancelled' || $data['nonce'] != $order->get_meta('cryptapi_nonce')) {
-            die("*ok*");
-        }
-
-        $order->update_meta_data('cryptapi_last_checked', time());
-        $order->save_meta_data();
-
-        // Actually process the callback data
-        $this->process_callback_data($data, $order);
-    }
-
-    function order_status()
-    {
-        $order_id = sanitize_text_field($_REQUEST['order_id']);
-
-        try {
-            $order = new WC_Order($order_id);
-
-            $showMinFee = '0';
-
-            $history = json_decode($order->get_meta('cryptapi_history'), true);
-
-            $calc = $this->calc_order($history, $order->get_meta('cryptapi_total'), $order->get_meta('cryptapi_total_fiat'));
-
-            $already_paid = $calc['already_paid'];
-            $already_paid_fiat = $calc['already_paid_fiat'];
-
-            $min_tx = floatval($order->get_meta('cryptapi_min'));
-
-            $remaining_pending = $calc['remaining_pending'];
-            $remaining_fiat = $calc['remaining_fiat'];
-
-            $cryptapi_pending = 0;
-
-            $counter_calc = (int)$order->get_meta('cryptapi_last_price_update') + (int)$this->refresh_value_interval - time();
-
-            if ($remaining_pending <= 0 && !$order->is_paid()) {
-                $cryptapi_pending = 1;
-            }
-
-            if ($counter_calc <= 0 && !$order->is_paid()) {
-                $this->ca_cronjob();
-            }
-
-            if ($remaining_pending <= $min_tx && $remaining_pending > 0) {
-                $remaining_pending = $min_tx;
-                $showMinFee = 1;
-            }
-
-            if (((int)$order->get_meta('cryptapi_last_checked') + 60) < time() && (int)$order->get_meta('cryptapi_cancelled') === 0 && !$order->is_paid()) {
-                $this->validate_logs($order, $history);
-            }
-
-            $data = [
-                'is_paid' => $order->is_paid(),
-                'is_pending' => $cryptapi_pending,
-                'qr_code_value' => $order->get_meta('cryptapi_qr_code_value'),
-                'cancelled' => (int)$order->get_meta('cryptapi_cancelled'),
-                'coin' => strtoupper($order->get_meta('cryptapi_currency')),
-                'show_min_fee' => $showMinFee,
-                'order_history' => json_decode($order->get_meta('cryptapi_history'), true),
-                'counter' => (string)$counter_calc,
-                'crypto_total' => floatval($order->get_meta('cryptapi_total')),
-                'already_paid' => $already_paid,
-                'remaining' => $remaining_pending <= 0 ? 0 : $remaining_pending,
-                'fiat_remaining' => $remaining_fiat <= 0 ? 0 : $remaining_fiat,
-                'already_paid_fiat' => floatval($already_paid_fiat) <= 0 ? 0 : floatval($already_paid_fiat),
-                'fiat_symbol' => get_woocommerce_currency_symbol(),
-            ];
-
-            echo json_encode($data);
-            die();
-
-        } catch (Exception $e) {
-            //
-        }
-
-        echo json_encode(['status' => 'error', 'error' => 'Not a valid order_id']);
-        die();
-    }
-
-    function validate_logs($order, $history)
-    {
-        $callbacks = CryptAPI\Helper::check_logs($order->get_meta('cryptapi_callback_url'), $order->get_meta('cryptapi_currency'));
-
-        $order->update_meta_data('cryptapi_last_checked', time());
-        $order->save_meta_data();
-
-        foreach ($callbacks as $callback) {
-            $logs = $callback->logs;
-            $request_url = parse_url($logs[0]->request_url);
-            parse_str($request_url['query'], $data);
-
-            if (empty($history[$data->uuid]) || (!empty($history[$data->uuid]) && (int)$history[$data->uuid]['pending'] === 1 && (int)$data['pending'] === 0)) {
-                $this->process_callback_data($data, $order, true);
-            }
-        }
-    }
-
-    function process_callback_data($data, $order, $validation = false)
-    {
-        $paid = floatval($data['value_coin']);
-
-        $min_tx = floatval($order->get_meta('cryptapi_min'));
-
-        $crypto_coin = strtoupper($order->get_meta('cryptapi_currency'));
-
-        $history = json_decode($order->get_meta('cryptapi_history'), true);
-
-        if (empty($history[$data['uuid']])) {
-            $conversion = json_decode(stripcslashes($data['value_coin_convert']), true);
-
-            $history[$data['uuid']] = [
-                'timestamp' => time(),
-                'value_paid' => CryptAPI\Helper::sig_fig($paid, 6),
-                'value_paid_fiat' => $conversion[get_woocommerce_currency()],
-                'pending' => $data['pending']
-            ];
-        } else {
-            $history[$data['uuid']]['pending'] = $data['pending'];
-        }
-
-        $order->update_meta_data('cryptapi_history', json_encode($history));
-        $order->save_meta_data();
-
-        $calc = $this->calc_order(json_decode($order->get_meta('cryptapi_history'), true), $order->get_meta('cryptapi_total'), $order->get_meta('cryptapi_total_fiat'));
-
-        $remaining = $calc['remaining'];
-        $remaining_pending = $calc['remaining_pending'];
-
-        $order_notes = $this->get_private_order_notes($order->get_id());
-
-        $has_pending = false;
-        $has_confirmed = false;
-
-        foreach ($order_notes as $note) {
-            $note_content = $note['note_content'];
-
-            if (strpos((string)$note_content, 'PENDING') && strpos((string)$note_content, $data['txid_in'])) {
-                $has_pending = true;
-            }
-
-            if (strpos((string)$note_content, 'CONFIRMED') && strpos((string)$note_content, $data['txid_in'])) {
-                $has_confirmed = true;
-            }
-        }
-
-        if (!$has_pending) {
-            $order->add_order_note(
-                '[PENDING] ' .
-                __('User sent a payment of', 'cryptapi') . ' ' .
-                $paid . ' ' . $crypto_coin .
-                '. TXID: ' . $data['txid_in']
-            );
-        }
-
-        if (!$has_confirmed && (int)$data['pending'] === 0) {
-            $order->add_order_note(
-                '[CONFIRMED] ' . __('User sent a payment of', 'cryptapi') . ' ' .
-                $paid . ' ' . $crypto_coin .
-                '. TXID: ' . $data['txid_in']
-            );
-
-            if ($remaining > 0) {
-                if ($remaining < $min_tx) {
-                    $order->add_order_note(__('Payment detected and confirmed. Customer still need to send', 'cryptapi') . ' ' . $min_tx . $crypto_coin, false);
-                } else {
-                    $order->add_order_note(__('Payment detected and confirmed. Customer still need to send', 'cryptapi') . ' ' . $remaining . $crypto_coin, false);
-                }
-            }
-        }
-
-        if ($remaining_pending <= 0) {
-            if ($remaining <= 0) {
-                $order->payment_complete($data['address_in']);
-                if ($this->virtual_complete) {
-                    $count_products = count($order->get_items());
-                    $count_virtual = 0;
-                    foreach ($order->get_items() as $order_item) {
-                        $item = wc_get_product($order_item->get_product_id());
-                        $item_obj = $item->get_type() === 'variable' ? wc_get_product($order_item['variation_id']) : $item;
-
-                        if ($item_obj->is_virtual()) {
-                            $count_virtual += 1;
-                        }
-                    }
-                    if ($count_virtual === $count_products) {
-                        $order->update_status('completed');
-                    }
-                }
-                $order->save();
-            }
-            if (!$validation) {
-                die("*ok*");
-            } else {
-                return;
-            }
-        }
-
-        if ($remaining_pending < $min_tx) {
-            $order->update_meta_data('cryptapi_qr_code_value', CryptAPI\Helper::get_static_qrcode($order->get_meta('cryptapi_address'), $order->get_meta('cryptapi_currency'), $min_tx, $this->qrcode_size)['qr_code']);
-        } else {
-            $order->update_meta_data('cryptapi_qr_code_value', CryptAPI\Helper::get_static_qrcode($order->get_meta('cryptapi_address'), $order->get_meta('cryptapi_currency'), $remaining_pending, $this->qrcode_size)['qr_code']);
-        }
-        $order->save_meta_data();
-
-        if (!$validation) {
-            die("*ok*");
-        }
-    }
-
-    function thankyou_page($order_id)
-    {
-        if (WC_CryptAPI_Gateway::$HAS_TRIGGERED) {
-            return;
-        }
-        WC_CryptAPI_Gateway::$HAS_TRIGGERED = true;
-
-        $order = new WC_Order($order_id);
-        $total = $order->get_total();
-        $currency_symbol = get_woocommerce_currency_symbol();
-        $address_in = $order->get_meta('cryptapi_address');
-        $crypto_value = $order->get_meta('cryptapi_total');
-        $crypto_coin = $order->get_meta('cryptapi_currency');
-        $qr_code_img_value = $order->get_meta('cryptapi_qr_code_value');
-        $qr_code_img = $order->get_meta('cryptapi_qr_code');
-        $qr_code_setting = $this->get_option('qrcode_setting');
-        $color_scheme = $this->get_option('color_scheme');
-        $min_tx = $order->get_meta('cryptapi_min');
-
-        $ajax_url = add_query_arg(array(
-            'action' => 'cryptapi_order_status',
-            'order_id' => $order_id,
-        ), home_url('/wp-admin/admin-ajax.php'));
-
-        wp_enqueue_script('ca-payment', CRYPTAPI_PLUGIN_URL . 'static/payment.js', array(), CRYPTAPI_PLUGIN_VERSION, true);
-        wp_add_inline_script('ca-payment', "jQuery(function() {let ajax_url = '{$ajax_url}'; setTimeout(function(){check_status(ajax_url)}, 500)})");
-        wp_enqueue_style('ca-loader-css', CRYPTAPI_PLUGIN_URL . 'static/cryptapi.css', false, CRYPTAPI_PLUGIN_VERSION);
-
-        $allowed_to_value = array(
-            'btc',
-            'eth',
-            'bch',
-            'ltc',
-            'miota',
-            'xmr',
-        );
-
-        $crypto_allowed_value = false;
-
-        $conversion_timer = ((int)$order->get_meta('cryptapi_last_price_update') + (int)$this->refresh_value_interval) - time();
-        $cancel_timer = $order->get_date_created()->getTimestamp() + (int)$this->order_cancelation_timeout - time();
-
-        if (in_array($crypto_coin, $allowed_to_value, true)) {
-            $crypto_allowed_value = true;
-        }
-        ?>
-        <div class="ca_payment-panel<?php
-        if ($color_scheme == 'auto') {
-            echo ' auto';
-        } elseif ($color_scheme == 'light') {
-            echo ' light';
-        } else {
-            echo ' dark';
-        }
-        ?>">
+
+        if ( empty( $history[ $data['uuid'] ] ) ) {
+            $conversion = json_decode( stripcslashes( $data['value_coin_convert'] ), true );
+
+            $history[ $data['uuid'] ] = [
+                'timestamp'       => time(),
+                'value_paid'      => CryptAPI\Helper::sig_fig( $paid, 6 ),
+                'value_paid_fiat' => $conversion[ get_woocommerce_currency() ],
+                'pending'         => $data['pending']
+            ];
+        } else {
+            $history[ $data['uuid'] ]['pending'] = $data['pending'];
+        }
+
+        $order->update_meta_data( 'cryptapi_history', json_encode( $history ) );
+        $order->save_meta_data();
+
+        $calc = $this->calc_order( json_decode( $order->get_meta( 'cryptapi_history' ), true ), $order->get_meta( 'cryptapi_total' ), $order->get_meta( 'cryptapi_total_fiat' ) );
+
+        $remaining         = $calc['remaining'];
+        $remaining_pending = $calc['remaining_pending'];
+
+        $order_notes = $this->get_private_order_notes( $order->get_id() );
+
+        $has_pending   = false;
+        $has_confirmed = false;
+
+        foreach ( $order_notes as $note ) {
+            $note_content = $note['note_content'];
+
+            if ( strpos( (string) $note_content, 'PENDING' ) && strpos( (string) $note_content, $data['txid_in'] ) ) {
+                $has_pending = true;
+            }
+
+            if ( strpos( (string) $note_content, 'CONFIRMED' ) && strpos( (string) $note_content, $data['txid_in'] ) ) {
+                $has_confirmed = true;
+            }
+        }
+
+        if ( ! $has_pending ) {
+            $order->add_order_note(
+                '[PENDING] ' .
+                __( 'User sent a payment of', 'cryptapi' ) . ' ' .
+                $paid . ' ' . $crypto_coin .
+                '. TXID: ' . $data['txid_in']
+            );
+        }
+
+        if ( ! $has_confirmed && (int) $data['pending'] === 0 ) {
+            $order->add_order_note(
+                '[CONFIRMED] ' . __( 'User sent a payment of', 'cryptapi' ) . ' ' .
+                $paid . ' ' . $crypto_coin .
+                '. TXID: ' . $data['txid_in']
+            );
+
+            if ( $remaining > 0 ) {
+                if ( $remaining < $min_tx ) {
+                    $order->add_order_note( __( 'Payment detected and confirmed. Customer still need to send', 'cryptapi' ) . ' ' . $min_tx . $crypto_coin, false );
+                } else {
+                    $order->add_order_note( __( 'Payment detected and confirmed. Customer still need to send', 'cryptapi' ) . ' ' . $remaining . $crypto_coin, false );
+                }
+            }
+        }
+
+        if ( $remaining_pending <= 0 ) {
+            if ( $remaining <= 0 ) {
+                $order->payment_complete( $data['address_in'] );
+                if ( $this->virtual_complete ) {
+                    $count_products = count( $order->get_items() );
+                    $count_virtual  = 0;
+                    foreach ( $order->get_items() as $order_item ) {
+                        $item     = wc_get_product( $order_item->get_product_id() );
+                        $item_obj = $item->get_type() === 'variable' ? wc_get_product( $order_item['variation_id'] ) : $item;
+
+                        if ( $item_obj->is_virtual() ) {
+                            $count_virtual += 1;
+                        }
+                    }
+                    if ( $count_virtual === $count_products ) {
+                        $order->update_status( 'completed' );
+                    }
+                }
+                $order->save();
+            }
+            if ( ! $validation ) {
+                die( "*ok*" );
+            } else {
+                return;
+            }
+        }
+
+        if ( $remaining_pending < $min_tx ) {
+            $order->update_meta_data( 'cryptapi_qr_code_value', CryptAPI\Helper::get_static_qrcode( $order->get_meta( 'cryptapi_address' ), $order->get_meta( 'cryptapi_currency' ), $min_tx, $this->qrcode_size )['qr_code'] );
+        } else {
+            $order->update_meta_data( 'cryptapi_qr_code_value', CryptAPI\Helper::get_static_qrcode( $order->get_meta( 'cryptapi_address' ), $order->get_meta( 'cryptapi_currency' ), $remaining_pending, $this->qrcode_size )['qr_code'] );
+        }
+        $order->save_meta_data();
+
+        if ( ! $validation ) {
+            die( "*ok*" );
+        }
+    }
+
+    function thankyou_page( $order_id ) {
+        if ( WC_CryptAPI_Gateway::$HAS_TRIGGERED ) {
+            return;
+        }
+        WC_CryptAPI_Gateway::$HAS_TRIGGERED = true;
+
+        $order             = new WC_Order( $order_id );
+        $total             = $order->get_total();
+        $currency_symbol   = get_woocommerce_currency_symbol();
+        $address_in        = $order->get_meta( 'cryptapi_address' );
+        $crypto_value      = $order->get_meta( 'cryptapi_total' );
+        $crypto_coin       = $order->get_meta( 'cryptapi_currency' );
+        $qr_code_img_value = $order->get_meta( 'cryptapi_qr_code_value' );
+        $qr_code_img       = $order->get_meta( 'cryptapi_qr_code' );
+        $qr_code_setting   = $this->get_option( 'qrcode_setting' );
+        $color_scheme      = $this->get_option( 'color_scheme' );
+        $min_tx            = $order->get_meta( 'cryptapi_min' );
+
+        $ajax_url = add_query_arg( array(
+            'action'   => 'cryptapi_order_status',
+            'order_id' => $order_id,
+        ), home_url( '/wp-admin/admin-ajax.php' ) );
+
+        wp_enqueue_script( 'ca-payment', CRYPTAPI_PLUGIN_URL . 'static/payment.js', array(), CRYPTAPI_PLUGIN_VERSION, true );
+        wp_add_inline_script( 'ca-payment', "jQuery(function() {let ajax_url = '{$ajax_url}'; setTimeout(function(){check_status(ajax_url)}, 500)})" );
+        wp_enqueue_style( 'ca-loader-css', CRYPTAPI_PLUGIN_URL . 'static/cryptapi.css', false, CRYPTAPI_PLUGIN_VERSION );
+
+        $allowed_to_value = array(
+            'btc',
+            'eth',
+            'bch',
+            'ltc',
+            'miota',
+            'xmr',
+        );
+
+        $crypto_allowed_value = false;
+
+        $conversion_timer = ( (int) $order->get_meta( 'cryptapi_last_price_update' ) + (int) $this->refresh_value_interval ) - time();
+        $cancel_timer     = $order->get_date_created()->getTimestamp() + (int) $this->order_cancelation_timeout - time();
+
+        if ( in_array( $crypto_coin, $allowed_to_value, true ) ) {
+            $crypto_allowed_value = true;
+        }
+        ?>
+        <div class="ca_payment-panel<?php esc_attr( $color_scheme ) ?>">
             <div class="ca_payment_details">
-                <?php
-                if ($total > 0) {
-                    ?>
+                <?php
+                if ( $total > 0 ) {
+                    ?>
                     <div class="ca_payments_wrapper">
                         <div class="ca_qrcode_wrapper" style="<?php
-                        if ($this->qrcode_default) {
-                            echo 'display: block';
-                        } else {
-                            echo 'display: none';
-                        }
-                        ?>; width: <?php echo intval($this->qrcode_size) + 20; ?>px;">
-                            <?php
-                            if ($crypto_allowed_value == true) {
-                                ?>
+                        if ( $this->qrcode_default ) {
+                            echo 'display: block';
+                        } else {
+                            echo 'display: none';
+                        }
+                        ?>; width: <?php echo intval( $this->qrcode_size ) + 20; ?>px;">
+                            <?php
+                            if ( $crypto_allowed_value == true ) {
+                                ?>
                                 <div class="inner-wrapper">
                                     <figure>
-                                        <?php
-                                        if ($qr_code_setting != 'hide_ammount') {
-                                            ?>
+                                        <?php
+                                        if ( $qr_code_setting != 'hide_ammount' ) {
+                                            ?>
                                             <img class="ca_qrcode no_value" <?php
-                                            if ($qr_code_setting == 'ammount') {
-                                                echo 'style="display:none;"';
-                                            }
-                                            ?> src="data:image/png;base64,<?php echo $qr_code_img; ?>" alt="<?php echo __('QR Code without value', 'cryptapi'); ?>"/>
-                                            <?php
-                                        }
-                                        if ($qr_code_setting != 'hide_without_ammount') {
-                                            ?>
+                                            if ( $qr_code_setting == 'ammount' ) {
+                                                echo 'style="display:none;"';
+                                            }
+                                            ?> src="data:image/png;base64,<?php echo $qr_code_img; ?>" alt="<?php echo esc_attr( __( 'QR Code without value', 'cryptapi' ) ); ?>"/>
+                                            <?php
+                                        }
+                                        if ( $qr_code_setting != 'hide_without_ammount' ) {
+                                            ?>
                                             <img class="ca_qrcode value" <?php
-                                            if ($qr_code_setting == 'without_ammount') {
-                                                echo 'style="display:none;"';
-                                            }
-                                            ?> src="data:image/png;base64,<?php echo $qr_code_img_value; ?>"
-                                                 alt="<?php echo __('QR Code with value', 'cryptapi'); ?>"/>
-                                            <?php
-                                        }
-                                        ?>
+                                            if ( $qr_code_setting == 'without_ammount' ) {
+                                                echo 'style="display:none;"';
+                                            }
+                                            ?> src="data:image/png;base64,<?php echo $qr_code_img_value; ?>"
+                                                 alt="<?php echo esc_attr( __( 'QR Code with value', 'cryptapi' ) ); ?>"/>
+                                            <?php
+                                        }
+                                        ?>
                                     </figure>
-                                    <?php
-                                    if ($qr_code_setting != 'hide_ammount' && $qr_code_setting != 'hide_without_ammount') {
-                                        ?>
+                                    <?php
+                                    if ( $qr_code_setting != 'hide_ammount' && $qr_code_setting != 'hide_without_ammount' ) {
+                                        ?>
                                         <div class="ca_qrcode_buttons">
-                                        <?php
-                                        if ($qr_code_setting != 'hide_without_ammount') {
-                                            ?>
-                                            <button class="ca_qrcode_btn no_value<?php
-                                            if ($qr_code_setting == 'without_ammount') {
-                                                echo ' active';
-                                            }
-                                            ?>" aria-label="<?php echo __('Show QR Code without value', 'cryptapi'); ?>">
-                                                <?php echo __('ADDRESS', 'cryptapi'); ?>
+                                        <?php
+                                        if ( $qr_code_setting != 'hide_without_ammount' ) {
+                                            ?>
+                                            <button class="ca_qrcode_btn no_value <?php
+                                            if ( $qr_code_setting == 'without_ammount' ) {
+                                                echo " active";
+                                            }
+                                            ?>" aria-label="<?php echo esc_attr( __( 'Show QR Code without value', 'cryptapi' ) ); ?>">
+                                                <?php echo esc_attr( __( 'ADDRESS', 'cryptapi' ) ); ?>
                                             </button>
-                                            <?php
-                                        }
-                                        if ($qr_code_setting != 'hide_ammount') {
-                                            ?>
+                                            <?php
+                                        }
+                                        if ( $qr_code_setting != 'hide_ammount' ) {
+                                            ?>
                                             <button class="ca_qrcode_btn value<?php
-                                            if ($qr_code_setting == 'ammount') {
-                                                echo ' active';
-                                            }
-                                            ?>" aria-label="<?php echo __('Show QR Code with value', 'cryptapi'); ?>">
-                                                <?php echo __('WITH AMOUNT', 'cryptapi'); ?>
+                                            if ( $qr_code_setting == 'ammount' ) {
+                                                echo " active";
+                                            }
+                                            ?>" aria-label="<?php echo esc_attr( __( 'Show QR Code with value', 'cryptapi' ) ); ?>">
+                                                <?php echo esc_attr( __( 'WITH AMOUNT', 'cryptapi' ) ); ?>
                                             </button>
                                             </div>
-                                            <?php
-                                        }
-                                    }
-                                    ?>
+                                            <?php
+                                        }
+                                    }
+                                    ?>
                                 </div>
-                                <?php
-                            } else {
-                                ?>
+                                <?php
+                            } else {
+                                ?>
                                 <div class="inner-wrapper">
                                     <figure>
-                                        <img class="ca_qrcode no_value" src="data:image/png;base64,<?php echo $qr_code_img; ?>"
-                                             alt="<?php echo __('QR Code without value', 'cryptapi'); ?>"/>
+                                        <img class="ca_qrcode no_value" src="data:image/png;base64,<?php echo esc_attr( $qr_code_img ); ?>"
+                                             alt="<?php echo esc_attr( __( 'QR Code without value', 'cryptapi' ) ); ?>"/>
                                     </figure>
                                     <div class="ca_qrcode_buttons">
-                                        <button class="ca_qrcode_btn no_value active" aria-label="<?php echo __('Show QR Code without value', 'cryptapi'); ?>">
-                                            <?php echo __('ADDRESS', 'cryptapi'); ?>
+                                        <button class="ca_qrcode_btn no_value active" aria-label="<?php echo esc_attr( __( 'Show QR Code without value', 'cryptapi' ) ); ?>">
+                                            <?php echo esc_attr( __( 'ADDRESS', 'cryptapi' ) ); ?>
                                         </button>
                                     </div>
                                 </div>
 
-                                <?php
-                            }
-                            ?>
+                                <?php
+                            }
+                            ?>
                         </div>
                         <div class="ca_details_box">
                             <div class="ca_details_text">
-                                <?php echo __('PLEASE SEND', 'cryptapi') ?>
-                                <button class="ca_copy ca_details_copy" data-tocopy="<?php echo $crypto_value; ?>">
-                                    <span><b class="ca_value"><?php echo $crypto_value ?></b></span>
-                                    <span><b><?php echo strtoupper($crypto_coin) ?></b></span>
-                                    <span class="ca_tooltip ca_copy_icon_tooltip tip"><?php echo __('COPY', 'cryptapi'); ?></span>
-                                    <span class="ca_tooltip ca_copy_icon_tooltip success" style="display: none"><?php echo __('COPIED!', 'cryptapi'); ?></span>
+                                <?php echo esc_attr( __( 'PLEASE SEND', 'cryptapi' ) ) ?>
+                                <button class="ca_copy ca_details_copy" data-tocopy="<?php echo esc_attr( $crypto_value ); ?>">
+                                    <span><b class="ca_value"><?php echo esc_attr( $crypto_value ) ?></b></span>
+                                    <span><b><?php echo strtoupper( esc_attr( $crypto_coin ) ) ?></b></span>
+                                    <span class="ca_tooltip ca_copy_icon_tooltip tip"><?php echo esc_attr( __( 'COPY', 'cryptapi' ) ); ?></span>
+                                    <span class="ca_tooltip ca_copy_icon_tooltip success" style="display: none"><?php echo esc_attr( __( 'COPIED!', 'cryptapi' ) ); ?></span>
                                 </button>
-                                <strong>(<?php echo "{$currency_symbol}" . " <span class='ca_fiat_total'>" . $total . "</span>"; ?>)</strong>
+                                <strong>(<?php echo esc_attr( $currency_symbol ) . " <span class='ca_fiat_total'>" . esc_attr( $total ) . "</span>"; ?>)</strong>
                             </div>
                             <div class="ca_payment_notification ca_notification_payment_received" style="display: none;">
-                                <?php echo sprintf(__('So far you sent %1s. Please send a new payment to complete the order, as requested above', 'cryptapi'),
-                                    '<strong><span class="ca_notification_ammount"></span></strong>'
-                                ); ?>
+                                <?php echo sprintf( esc_attr( __( 'So far you sent %1s. Please send a new payment to complete the order, as requested above', 'cryptapi' ) ),
+                                    '<strong><span class="ca_notification_ammount"></span></strong>'
+                                ); ?>
                             </div>
                             <div class="ca_payment_notification ca_notification_remaining" style="display: none">
-                                <?php echo '<strong>' . __('Notice', 'cryptapi') . '</strong>: ' . sprintf(__('For technical reasons, the minimum amount for each transaction is %1s, so we adjusted the value by adding the remaining to it.', 'cryptapi'),
-                                        $min_tx . ' ' . strtoupper($crypto_coin),
-                                        '<span class="ca_notification_remaining"></span>'
-                                    ); ?>
+                                <?php echo '<strong>' . esc_attr( __( 'Notice', 'cryptapi' ) ) . '</strong>: ' . sprintf( esc_attr( __( 'For technical reasons, the minimum amount for each transaction is %1s, so we adjusted the value by adding the remaining to it.', 'cryptapi' ) ),
+                                        $min_tx . ' ' . strtoupper( $crypto_coin ),
+                                        '<span class="ca_notification_remaining"></span>'
+                                    ); ?>
                             </div>
-                            <?php
-                            if (intval($this->refresh_value_interval) != 0) {
-                                ?>
+                            <?php
+                            if ( intval( $this->refresh_value_interval ) != 0 ) {
+                                ?>
                                 <div class="ca_time_refresh">
-                                    <?php echo sprintf(__('The %1s conversion rate will be adjusted in', 'cryptapi'),
-                                        strtoupper($crypto_coin)
-                                    ); ?>
-                                    <span class="ca_time_seconds_count" data-soon="<?php echo __('a moment', 'cryptapi'); ?>"
-                                          data-seconds="<?php echo $conversion_timer; ?>"><?php echo date('i:s', $conversion_timer); ?></span>
+                                    <?php echo sprintf( esc_attr( __( 'The %1s conversion rate will be adjusted in', 'cryptapi' ) ),
+                                        strtoupper( $crypto_coin )
+                                    ); ?>
+                                    <span class="ca_time_seconds_count" data-soon="<?php echo esc_attr( __( 'a moment', 'cryptapi' ) ); ?>"
+                                          data-seconds="<?php echo esc_attr( $conversion_timer ); ?>"><?php echo esc_attr( date( 'i:s', $conversion_timer ) ); ?></span>
                                 </div>
-                                <?php
-                            }
-                            ?>
+                                <?php
+                            }
+                            ?>
                             <div class="ca_details_input">
-                                <span><?php echo $address_in ?></span>
-                                <button class="ca_copy ca_copy_icon" data-tocopy="<?php echo $address_in; ?>">
-                                    <span class="ca_tooltip ca_copy_icon_tooltip tip"><?php echo __('COPY', 'cryptapi'); ?></span>
-                                    <span class="ca_tooltip ca_copy_icon_tooltip success" style="display: none"><?php echo __('COPIED!', 'cryptapi'); ?></span>
+                                <span><?php echo esc_attr( $address_in ) ?></span>
+                                <button class="ca_copy ca_copy_icon" data-tocopy="<?php echo esc_attr( $address_in ); ?>">
+                                    <span class="ca_tooltip ca_copy_icon_tooltip tip"><?php echo esc_attr( __( 'COPY', 'cryptapi' ) ); ?></span>
+                                    <span class="ca_tooltip ca_copy_icon_tooltip success" style="display: none"><?php echo esc_attr( __( 'COPIED!', 'cryptapi' ) ); ?></span>
                                 </button>
                                 <div class="ca_loader"></div>
                             </div>
                         </div>
-                        <?php
-                        if (intval($this->order_cancelation_timeout) != 0) {
-                            ?>
-                            <span class="ca_notification_cancel" data-text="<?php echo __('Order will be cancelled in less than a minute.', 'cryptapi'); ?>">
-                                    <?php echo sprintf(__('This order will be valid for %s', 'cryptapi'), '<strong><span class="ca_cancel_timer" data-timestamp="' . $cancel_timer . '">' . date('H:i', $cancel_timer) . '</span></strong>'); ?>
+                        <?php
+                        if ( intval( $this->order_cancelation_timeout ) != 0 ) {
+                            ?>
+                            <span class="ca_notification_cancel" data-text="<?php echo __( 'Order will be cancelled in less than a minute.', 'cryptapi' ); ?>">
+                                    <?php echo sprintf( esc_attr( __( 'This order will be valid for %s', 'cryptapi' ) ), '<strong><span class="ca_cancel_timer" data-timestamp="' . $cancel_timer . '">' . date( 'H:i', $cancel_timer ) . '</span></strong>' ); ?>
                                 </span>
-                            <?php
-                        }
-                        ?>
+                            <?php
+                        }
+                        ?>
                         <div class="ca_buttons_container">
-                            <a class="ca_show_qr" href="#" aria-label="<?php echo __('Show the QR code', 'cryptapi'); ?>">
-                                <span class="ca_show_qr_open<?php
-                                if (!$this->qrcode_default) {
-                                    echo ' active';
+                            <a class="ca_show_qr" href="#" aria-label="<?php echo esc_attr( __( 'Show the QR code', 'cryptapi' ) ); ?>">
+                                <span class="ca_show_qr_open <?php
+                                if ( ! $this->qrcode_default ) {
+                                    echo " active";
                                 }
-                                ?>"><?php echo __('Open QR CODE', 'cryptapi'); ?></span>
-                                <span class="ca_show_qr_close<?php
-                                if ($this->qrcode_default) {
-                                    echo ' active';
-                                }
-                                ?>"><?php echo __('Close QR CODE', 'cryptapi'); ?></span>
+                                ?>"><?php echo __( 'Open QR CODE', 'cryptapi' ); ?></span>
+                                <span class="ca_show_qr_close <?php
+                                if ( $this->qrcode_default ) {
+                                    echo " active";
+                                }
+                                ?>"><?php echo esc_attr( __( 'Close QR CODE', 'cryptapi' ) ); ?></span>
                             </a>
                         </div>
-                        <?php
-                        if ($this->show_branding) {
-                            ?>
+                        <?php
+                        if ( $this->show_branding ) {
+                            ?>
                             <div class="ca_branding">
                                 <a href="https://cryptapi.io/" target="_blank">
                                     <span>Powered by</span>
-                                    <img width="94" class="img-fluid" src="<?php echo CRYPTAPI_PLUGIN_URL . 'static/files/200_logo_ca.png' ?>" alt="Cryptapi Logo"/>
+                                    <img width="94" class="img-fluid" src="<?php echo esc_attr( CRYPTAPI_PLUGIN_URL . 'static/files/200_logo_ca.png' ) ?>" alt="Cryptapi Logo"/>
                                 </a>
                             </div>
-                            <?php
-                        }
-                        ?>
+                            <?php
+                        }
+                        ?>
                     </div>
-                    <?php
-                }
-                if ($total == 0) {
-                    ?>
+                    <?php
+                }
+                if ( $total == 0 ) {
+                    ?>
                     <style>
                         .ca_payment_confirmed {
@@ -1033 +1030 @@
                         }
                     </style>
-                    <?php
-                }
-                ?>
+                    <?php
+                }
+                ?>
                 <div class="ca_payment_processing" style="display: none;">
                     <div class="ca_payment_processing_icon">
                         <div class="ca_loader_payment_processing"></div>
                     </div>
-                    <h2><?php echo __('Your payment is being processed!', 'cryptapi'); ?></h2>
-                    <h5><?php echo __('Processing can take some time depending on the blockchain.', 'cryptapi'); ?></h5>
+                    <h2><?php echo esc_attr( __( 'Your payment is being processed!', 'cryptapi' ) ); ?></h2>
+                    <h5><?php echo esc_attr( __( 'Processing can take some time depending on the blockchain.', 'cryptapi' ) ); ?></h5>
                 </div>
 
@@ -1051 +1048 @@
                         </svg>
                     </div>
-                    <h2><?php echo __('Your payment has been confirmed!', 'cryptapi'); ?></h2>
+                    <h2><?php echo esc_attr( __( 'Your payment has been confirmed!', 'cryptapi' ) ); ?></h2>
                 </div>
 
@@ -1061 +1058 @@
                         </svg>
                     </div>
-                    <h2><?php echo __('Order has been cancelled due to lack of payment. Please don\'t send any payment to the address.', 'cryptapi'); ?></h2>
+                    <h2><?php echo esc_attr( __( 'Order has been cancelled due to lack of payment. Please don\'t send any payment to the address.', 'cryptapi' ) ); ?></h2>
                 </div>
                 <div class="ca_history" style="display: none;">
                     <table class="ca_history_fill">
                         <tr class="ca_history_header">
-                            <th><strong><?php echo __('Time', 'cryptapi'); ?></strong></th>
-                            <th><strong><?php echo __('Value Paid', 'cryptapi'); ?></strong></th>
-                            <th><strong><?php echo __('FIAT Value', 'cryptapi'); ?></strong></th>
+                            <th><strong><?php echo esc_attr( __( 'Time', 'cryptapi' ) ); ?></strong></th>
+                            <th><strong><?php echo esc_attr( __( 'Value Paid', 'cryptapi' ) ); ?></strong></th>
+                            <th><strong><?php echo esc_attr( __( 'FIAT Value', 'cryptapi' ) ); ?></strong></th>
                         </tr>
                     </table>
                 </div>
-                <?php
-                if ($total > 0) {
-                    ?>
+                <?php
+                if ( $total > 0 ) {
+                    ?>
                     <div class="ca_progress">
                         <div class="ca_progress_icon waiting_payment done">
@@ -1081 +1078 @@
                                       fill="#0B4B70"/>
                             </svg>
-                            <p><?php echo __('Waiting for payment', 'cryptapi'); ?></p>
+                            <p><?php echo esc_attr( __( 'Waiting for payment', 'cryptapi' ) ); ?></p>
                         </div>
                         <div class="ca_progress_icon waiting_network">
@@ -1088 +1085 @@
                                       fill="#0B4B70"/>
                             </svg>
-                            <p><?php echo __('Waiting for network confirmation', 'cryptapi'); ?></p>
+                            <p><?php echo esc_attr( __( 'Waiting for network confirmation', 'cryptapi' ) ); ?></p>
                         </div>
                         <div class="ca_progress_icon payment_done">
@@ -1095 +1092 @@
                                       fill="#0B4B70"/>
                             </svg>
-                            <p><?php echo __('Payment confirmed', 'cryptapi'); ?></p>
+                            <p><?php echo esc_attr( __( 'Payment confirmed', 'cryptapi' ) ); ?></p>
                         </div>
                     </div>
-                    <?php
-                }
-                ?>
+                    <?php
+                }
+                ?>
             </div>
         </div>
-        <?php
-    }
-
-    /**
-     *  Cronjob
-     */
-    function ca_cronjob()
-    {
-        $order_timeout = intval($this->order_cancelation_timeout);
-        $value_refresh = intval($this->refresh_value_interval);
-
-        if ($order_timeout === 0 && $value_refresh === 0) {
-            return;
-        }
-
-        $orders = wc_get_orders(array(
-            'status' => array('wc-on-hold'),
-            'payment_method' => 'cryptapi',
-        ));
-
-        if (empty($orders)) {
-            return;
-        }
-
-        $woocommerce_currency = get_woocommerce_currency();
-
-        foreach ($orders as $order) {
-            $last_price_update = $order->get_meta('cryptapi_last_price_update');
-
-            $history = json_decode($order->get_meta('cryptapi_history'), true);
-
-            $min_tx = floatval($order->get_meta('cryptapi_min'));
-
-            $calc = $this->calc_order($history, $order->get_meta('cryptapi_total'), $order->get_meta('cryptapi_total_fiat'));
-
-            $remaining = $calc['remaining'];
-            $remaining_pending = $calc['remaining_pending'];
-            $already_paid = $calc['already_paid'];
-
-            $order_timestamp = $order->get_date_created()->getTimestamp();
-
-            if ((int)$order->get_meta('cryptapi_cancelled') === 0 && ($order_timestamp + 86400) > time()) {
-                $this->validate_logs($order, $history);
-            }
-
-            if ($value_refresh !== 0 && ((int)$last_price_update + (int)$value_refresh < time()) && !empty($last_price_update)) {
-                if ($remaining === $remaining_pending && $remaining_pending > 0) {
-                    $cryptapi_coin = $order->get_meta('cryptapi_currency');
-
-                    $crypto_total = CryptAPI\Helper::sig_fig(CryptAPI\Helper::get_conversion($woocommerce_currency, $cryptapi_coin, $order->get_total('edit'), $this->disable_conversion), 6);
-                    $order->update_meta_data('cryptapi_total', $crypto_total);
-
-                    $calc_cron = $this->calc_order($history, $order->get_meta('cryptapi_total'), $order->get_meta('cryptapi_total_fiat'));
-                    $crypto_remaining_total = $calc_cron['remaining_pending'];
-
-                    if ($remaining_pending <= $min_tx && !$remaining_pending <= 0) {
-                        $qr_code_data_value = CryptAPI\Helper::get_static_qrcode($order->get_meta('cryptapi_address'), $cryptapi_coin, $min_tx, $this->qrcode_size);
-                    } else {
-                        $qr_code_data_value = CryptAPI\Helper::get_static_qrcode($order->get_meta('cryptapi_address'), $cryptapi_coin, $crypto_remaining_total, $this->qrcode_size);
-                    }
-
-                    $order->update_meta_data('cryptapi_qr_code_value', $qr_code_data_value['qr_code']);
-                }
-
-                $order->update_meta_data('cryptapi_last_price_update', time());
-                $order->save();
-            }
-
-            if ($order_timeout !== 0 && ($order_timestamp + $order_timeout) <= time() && $already_paid <= 0 && (int)$order->get_meta('cryptapi_cancelled') === 0) {
-                $order->update_status('cancelled', __('Order cancelled due to lack of payment.', 'cryptapi'));
-                $order->update_meta_data('cryptapi_cancelled', '1');
-                $order->save();
-            }
-        }
-    }
-
-    function calc_order($history, $total, $total_fiat)
-    {
-        $already_paid = 0;
-        $already_paid_fiat = 0;
-        $remaining = $total;
-        $remaining_pending = $total;
-        $remaining_fiat = $total_fiat;
-
-        if (!empty($history)) {
-            foreach ($history as $uuid => $item) {
-                if ((int)$item['pending'] === 0) {
-                    $remaining = bcsub(CryptAPI\Helper::sig_fig($remaining, 6), $item['value_paid'], 8);
-                }
-
-                $remaining_pending = bcsub(CryptAPI\Helper::sig_fig($remaining_pending, 6), $item['value_paid'], 8);
-                $remaining_fiat = bcsub(CryptAPI\Helper::sig_fig($remaining_fiat, 6), $item['value_paid_fiat'], 8);
-
-                $already_paid = bcadd(CryptAPI\Helper::sig_fig($already_paid, 6), $item['value_paid'], 8);
-                $already_paid_fiat = bcadd(CryptAPI\Helper::sig_fig($already_paid_fiat, 6), $item['value_paid_fiat'], 8);
-            }
-        }
-
-        return [
-            'already_paid' => floatval($already_paid),
-            'already_paid_fiat' => floatval($already_paid_fiat),
-            'remaining' => floatval($remaining),
-            'remaining_pending' => floatval($remaining_pending),
-            'remaining_fiat' => floatval($remaining_fiat)
-        ];
-    }
-
-    /**
-     * WooCommerce Subscriptions Integration
-     */
-    function scheduled_subscription_mail($amount, $renewal_order)
-    {
-
-        $order = $renewal_order;
-
-        $costumer_id = get_post_meta($order->get_id(), '_customer_user', true);
-        $customer = new WC_Customer($costumer_id);
-
-        if (empty($order->get_meta('cryptapi_paid'))) {
-            $mailer = WC()->mailer();
-
-            $recipient = $customer->get_email();
-
-            $subject = sprintf('[%s] %s', get_bloginfo('name'), __('Please renew your subscription', 'cryptapi'));
-            $headers = 'From: ' . get_bloginfo('name') . ' <' . get_option('admin_email') . '>' . '\r\n';
-
-            $content = wc_get_template_html('emails/renewal-email.php', array(
-                'order' => $order,
-                'email_heading' => get_bloginfo('name'),
-                'sent_to_admin' => false,
-                'plain_text' => false,
-                'email' => $mailer
-            ), plugin_dir_path(dirname(__FILE__)), plugin_dir_path(dirname(__FILE__)));
-
-            $mailer->send($recipient, $subject, $content, $headers);
-
-            $order->add_meta_data('cryptapi_paid', '1');
-            $order->save_meta_data();
-        }
-    }
-
-    private function generate_nonce($len = 32)
-    {
-        $data = str_split('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789');
-
-        $nonce = [];
-        for ($i = 0; $i < $len; $i++) {
-            $nonce[] = $data[mt_rand(0, sizeof($data) - 1)];
-        }
-
-        return implode('', $nonce);
-    }
-
-    public function generate_cryptocurrency_html($key, $data)
-    {
-        $field_key = $this->get_field_key($key);
-        $defaults = array(
-            'title' => '',
-            'disabled' => false,
-            'class' => '',
-            'css' => '',
-            'placeholder' => '',
-            'type' => 'text',
-            'desc_tip' => false,
-            'description' => '',
-            'custom_attributes' => array(),
-        );
-
-        $data = wp_parse_args($data, $defaults);
-
-        ob_start();
-
-        $token = str_replace('_address', '', $key);
-        $token_option = $this->get_option('coins');
-        if (!empty($token_option)) {
-            $token_search = array_search($token, $token_option);
-        }
-
-        if ($data['custom_attributes']['counter'] === 0) {
-            ?>
+        <?php
+    }
+
+    /**
+     *  Cronjob
+     */
+    function ca_cronjob() {
+        $order_timeout = intval( $this->order_cancelation_timeout );
+        $value_refresh = intval( $this->refresh_value_interval );
+
+        if ( $order_timeout === 0 && $value_refresh === 0 ) {
+            return;
+        }
+
+        $orders = wc_get_orders( array(
+            'status'         => array( 'wc-on-hold' ),
+            'payment_method' => 'cryptapi',
+        ) );
+
+        if ( empty( $orders ) ) {
+            return;
+        }
+
+        $woocommerce_currency = get_woocommerce_currency();
+
+        foreach ( $orders as $order ) {
+            $last_price_update = $order->get_meta( 'cryptapi_last_price_update' );
+
+            $history = json_decode( $order->get_meta( 'cryptapi_history' ), true );
+
+            $min_tx = floatval( $order->get_meta( 'cryptapi_min' ) );
+
+            $calc = $this->calc_order( $history, $order->get_meta( 'cryptapi_total' ), $order->get_meta( 'cryptapi_total_fiat' ) );
+
+            $remaining         = $calc['remaining'];
+            $remaining_pending = $calc['remaining_pending'];
+            $already_paid      = $calc['already_paid'];
+
+            $order_timestamp = $order->get_date_created()->getTimestamp();
+
+            if ( $value_refresh !== 0 && ( (int) $last_price_update + (int) $value_refresh < time() ) && ! empty( $last_price_update ) ) {
+                if ( $remaining === $remaining_pending && $remaining_pending > 0 ) {
+                    $cryptapi_coin = $order->get_meta( 'cryptapi_currency' );
+
+                    $crypto_total = CryptAPI\Helper::sig_fig( CryptAPI\Helper::get_conversion( $woocommerce_currency, $cryptapi_coin, $order->get_total( 'edit' ), $this->disable_conversion ), 6 );
+                    $order->update_meta_data( 'cryptapi_total', $crypto_total );
+
+                    $calc_cron              = $this->calc_order( $history, $order->get_meta( 'cryptapi_total' ), $order->get_meta( 'cryptapi_total_fiat' ) );
+                    $crypto_remaining_total = $calc_cron['remaining_pending'];
+
+                    if ( $remaining_pending <= $min_tx && ! $remaining_pending <= 0 ) {
+                        $qr_code_data_value = CryptAPI\Helper::get_static_qrcode( $order->get_meta( 'cryptapi_address' ), $cryptapi_coin, $min_tx, $this->qrcode_size );
+                    } else {
+                        $qr_code_data_value = CryptAPI\Helper::get_static_qrcode( $order->get_meta( 'cryptapi_address' ), $cryptapi_coin, $crypto_remaining_total, $this->qrcode_size );
+                    }
+
+                    $order->update_meta_data( 'cryptapi_qr_code_value', $qr_code_data_value['qr_code'] );
+                }
+
+                $order->update_meta_data( 'cryptapi_last_price_update', time() );
+                $order->save();
+            }
+
+            if ( $order_timeout !== 0 && ( $order_timestamp + $order_timeout ) <= time() && $already_paid <= 0 && (int) $order->get_meta( 'cryptapi_cancelled' ) === 0 ) {
+                $order->update_status( 'cancelled', __( 'Order cancelled due to lack of payment.', 'cryptapi' ) );
+                $order->update_meta_data( 'cryptapi_cancelled', '1' );
+                $order->save();
+            }
+        }
+    }
+
+    function calc_order( $history, $total, $total_fiat ) {
+        $already_paid      = 0;
+        $already_paid_fiat = 0;
+        $remaining         = $total;
+        $remaining_pending = $total;
+        $remaining_fiat    = $total_fiat;
+
+        if ( ! empty( $history ) ) {
+            foreach ( $history as $uuid => $item ) {
+                if ( (int) $item['pending'] === 0 ) {
+                    $remaining = bcsub( CryptAPI\Helper::sig_fig( $remaining, 6 ), $item['value_paid'], 8 );
+                }
+
+                $remaining_pending = bcsub( CryptAPI\Helper::sig_fig( $remaining_pending, 6 ), $item['value_paid'], 8 );
+                $remaining_fiat    = bcsub( CryptAPI\Helper::sig_fig( $remaining_fiat, 6 ), $item['value_paid_fiat'], 8 );
+
+                $already_paid      = bcadd( CryptAPI\Helper::sig_fig( $already_paid, 6 ), $item['value_paid'], 8 );
+                $already_paid_fiat = bcadd( CryptAPI\Helper::sig_fig( $already_paid_fiat, 6 ), $item['value_paid_fiat'], 8 );
+            }
+        }
+
+        return [
+            'already_paid'      => floatval( $already_paid ),
+            'already_paid_fiat' => floatval( $already_paid_fiat ),
+            'remaining'         => floatval( $remaining ),
+            'remaining_pending' => floatval( $remaining_pending ),
+            'remaining_fiat'    => floatval( $remaining_fiat )
+        ];
+    }
+
+    /**
+     * WooCommerce Subscriptions Integration
+     */
+    function scheduled_subscription_mail( $amount, $renewal_order ) {
+
+        $order = $renewal_order;
+
+        $costumer_id = get_post_meta( $order->get_id(), '_customer_user', true );
+        $customer    = new WC_Customer( $costumer_id );
+
+        if ( empty( $order->get_meta( 'cryptapi_paid' ) ) ) {
+            $mailer = WC()->mailer();
+
+            $recipient = $customer->get_email();
+
+            $subject = sprintf( '[%s] %s', get_bloginfo( 'name' ), __( 'Please renew your subscription', 'cryptapi' ) );
+            $headers = 'From: ' . get_bloginfo( 'name' ) . ' <' . get_option( 'admin_email' ) . '>' . '\r\n';
+
+            $content = wc_get_template_html( 'emails/renewal-email.php', array(
+                'order'         => $order,
+                'email_heading' => get_bloginfo( 'name' ),
+                'sent_to_admin' => false,
+                'plain_text'    => false,
+                'email'         => $mailer
+            ), plugin_dir_path( dirname( __FILE__ ) ), plugin_dir_path( dirname( __FILE__ ) ) );
+
+            $mailer->send( $recipient, $subject, $content, $headers );
+
+            $order->add_meta_data( 'cryptapi_paid', '1' );
+            $order->save_meta_data();
+        }
+    }
+
+    private function generate_nonce( $len = 32 ) {
+        $data = str_split( 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789' );
+
+        $nonce = [];
+        for ( $i = 0; $i < $len; $i ++ ) {
+            $nonce[] = $data[ mt_rand( 0, sizeof( $data ) - 1 ) ];
+        }
+
+        return implode( '', $nonce );
+    }
+
+    public function generate_cryptocurrency_html( $key, $data ) {
+        $field_key = $this->get_field_key( $key );
+        $defaults  = array(
+            'title'             => '',
+            'disabled'          => false,
+            'class'             => '',
+            'css'               => '',
+            'placeholder'       => '',
+            'type'              => 'text',
+            'desc_tip'          => false,
+            'description'       => '',
+            'custom_attributes' => array(),
+        );
+
+        $data = wp_parse_args( $data, $defaults );
+
+        ob_start();
+
+        $token        = str_replace( '_address', '', $key );
+        $token_option = $this->get_option( 'coins' );
+        if ( ! empty( $token_option ) ) {
+            $token_search = array_search( $token, $token_option );
+        }
+
+        if ( $data['custom_attributes']['counter'] === 0 ) {
+            ?>
             <tr valign="top">
                 <th scope="row" class="titledesc"></th>
-                <td class="forminp forminp-<?php echo esc_attr($data['type']) ?>">
+                <td class="forminp forminp-<?php echo esc_attr( $data['type'] ) ?>">
                     <p>
                         <strong>
-                            <?php echo __('Addresses', 'cryptapi'); ?>
+                            <?php echo esc_attr( __( 'Addresses', 'cryptapi' ) ); ?>
                         </strong><br/>
-                        <?php echo sprintf(__('If you are using BlockBee you can choose if setting the receiving addresses here bellow or in your BlockBee settings page. %1$s - In order to set the addresses on plugin settings, you need to select “Address Override” while creating the API key. %1$s - In order to set the addresses on BlockBee settings, you need to NOT select “Address Override” while creating the API key.', 'cryptapi'), '<br/>'); ?>
+                        <?php echo sprintf( esc_attr( __( 'If you are using BlockBee you can choose if setting the receiving addresses here bellow or in your BlockBee settings page. %1$s - In order to set the addresses on plugin settings, you need to select “Address Override” while creating the API key. %1$s - In order to set the addresses on BlockBee settings, you need to NOT select “Address Override” while creating the API key.', 'cryptapi' ) ), '<br/>' ); ?>
                     </p>
                 </td>
             </tr>
-            <?php
-        }
-        ?>
+            <?php
+        }
+        ?>
         <tr valign="top">
 
             <th scope="row" class="titledesc">
                 <input style="display: inline-block; margin-bottom: -4px;" type="checkbox"
-                       name="coins[]" id="<?php echo esc_attr('coins_' . $token); ?>"
-                       value="<?php echo str_replace('_address', '', $key); ?>"
-                    <?php if (!empty($token_option) && $this->get_option('coins')[$token_search] === $token) {
-                        echo 'checked="true" ';
-                    } ?> />
-                <label style="display: inline-block; width: 80%;" for="<?php echo esc_attr('coins_' . $token); ?>">
-                    <?php echo esc_html($data['title']); ?>
-                    <span class="woocommerce-help-tip" data-tip="<?php echo esc_html($data['description']); ?>"></span>
+                       name="coins[]" id="<?php echo esc_attr( 'coins_' . $token ); ?>"
+                       value="<?php echo str_replace( '_address', '', $key ); ?>"
+                    <?php if ( ! empty( $token_option ) && $this->get_option( 'coins' )[ $token_search ] === $token ) {
+                        echo 'checked="true" ';
+                    } ?> />
+                <label style="display: inline-block; width: 80%;" for="<?php echo esc_attr( 'coins_' . $token ); ?>">
+                    <?php echo esc_html( $data['title'] ); ?>
+                    <span class="woocommerce-help-tip" data-tip="<?php echo esc_html( $data['description'] ); ?>"></span>
                 </label>
             </th>
-            <td class="forminp forminp-<?php echo esc_attr($data['type']) ?>">
-                <input class="input-text regular-input <?php echo esc_attr($data['class']); ?>" type="text" name="<?php echo esc_attr($field_key); ?>"
-                       id="<?php echo esc_attr($field_key); ?>" style="<?php echo esc_attr($data['css']); ?>"
-                       value="<?php echo $this->get_option($key); ?>"
-                       placeholder="<?php echo esc_attr($data['placeholder']); ?>" <?php disabled($data['disabled'], true); ?> <?php echo $this->get_custom_attribute_html($data); // WPCS: XSS ok.
-                ?> />
+            <td class="forminp forminp-<?php echo esc_attr( $data['type'] ) ?>">
+                <input class="input-text regular-input <?php echo esc_attr( $data['class'] ); ?>" type="text" name="<?php echo esc_attr( $field_key ); ?>"
+                       id="<?php echo esc_attr( $field_key ); ?>" style="<?php echo esc_attr( $data['css'] ); ?>"
+                       value="<?php echo $this->get_option( $key ); ?>"
+                       placeholder="<?php echo esc_attr( $data['placeholder'] ); ?>" <?php disabled( $data['disabled'], true ); ?> <?php echo $this->get_custom_attribute_html( $data ); // WPCS: XSS ok.
+                ?> />
             </td>
         </tr>
 
-        <?php
-        return ob_get_clean();
-    }
-
-    function handling_fee()
-    {
-        if (is_admin() && !defined('DOING_AJAX')) {
-            return;
-        }
-
-        $chosen_payment_id = WC()->session->get('chosen_payment_method');
-
-        if ($chosen_payment_id != 'cryptapi') {
-            return;
-        }
-
-        $total_fee = $this->get_option('fee_order_percentage') == 'none' ? 0 : $this->get_option('fee_order_percentage');
-
-        $fee_order = WC()->cart->subtotal * $total_fee;
-
-        if ($total_fee !== 'none' || $this->add_blockchain_fee) {
-
-            $selected = WC()->session->get('cryptapi_coin');
-
-            if ($selected === 'none') {
-                return;
-            }
-
-            if (!empty($selected) && $selected != 'none' && $this->add_blockchain_fee) {
-                $est = CryptAPI\Helper::get_estimate($selected);
-
-                $fee_order += (float)$est->{get_woocommerce_currency()};
-            }
-
-            if (empty($fee_order)) {
-                return;
-            }
-
-            WC()->cart->add_fee(__('Service Fee', 'cryptapi'), $fee_order, true);
-        }
-    }
-
-    function refresh_checkout()
-    {
-        if (WC_CryptAPI_Gateway::$HAS_TRIGGERED) {
-            return;
-        }
-        WC_CryptAPI_Gateway::$HAS_TRIGGERED = true;
-        if (is_checkout()) {
-            wp_register_script('cryptapi-checkout', '');
-            wp_enqueue_script('cryptapi-checkout');
-            wp_add_inline_script('cryptapi-checkout', "jQuery(function ($) { $('form.checkout').on('change', 'input[name=payment_method], #payment_cryptapi_coin', function () { $(document.body).trigger('update_checkout');});});");
-        }
-    }
-
-    function chosen_currency_value_to_wc_session($posted_data)
-    {
-        parse_str($posted_data, $fields);
-
-        if (isset($fields['cryptapi_coin'])) {
-            WC()->session->set('cryptapi_coin', $fields['cryptapi_coin']);
-        }
-    }
-
-    public function process_admin_options()
-    {
-        parent::update_option('coins', $_POST['coins']);
-        parent::process_admin_options();
-    }
-
-    function add_email_link($order, $sent_to_admin, $plain_text, $email)
-    {
-        if (WC_CryptAPI_Gateway::$HAS_TRIGGERED) {
-            return;
-        }
-
-        if ($email->id == 'customer_on_hold_order') {
-            WC_CryptAPI_Gateway::$HAS_TRIGGERED = true;
-            echo '<a style="display:block;text-align:center;margin: 40px auto; font-size: 16px; font-weight: bold;" href="' . $this->get_return_url($order) . '" target="_blank">' . __('Check your payment status', 'cryptapi') . '</a>';
-        }
-    }
-
-    function add_order_link($actions, $order)
-    {
-        if ($order->has_status('on-hold')) {
-            $action_slug = 'ca_payment_url';
-
-            $actions[$action_slug] = array(
-                'url' => $this->get_return_url($order),
-                'name' => __('Pay', 'cryptapi'),
-            );
-        }
-        return $actions;
-    }
-
-    function get_private_order_notes($order_id)
-    {
-        global $wpdb;
-
-        $table_perfixed = $wpdb->prefix . 'comments';
-        $results = $wpdb->get_results("
+        <?php
+        return ob_get_clean();
+    }
+
+    function handling_fee() {
+        if ( is_admin() && ! defined( 'DOING_AJAX' ) ) {
+            return;
+        }
+
+        $chosen_payment_id = WC()->session->get( 'chosen_payment_method' );
+
+        if ( $chosen_payment_id != 'cryptapi' ) {
+            return;
+        }
+
+        $total_fee = $this->get_option( 'fee_order_percentage' ) == 'none' ? 0 : $this->get_option( 'fee_order_percentage' );
+
+        $fee_order = WC()->cart->subtotal * $total_fee;
+
+        if ( $total_fee !== 'none' || $this->add_blockchain_fee ) {
+
+            $selected = WC()->session->get( 'cryptapi_coin' );
+
+            if ( $selected === 'none' ) {
+                return;
+            }
+
+            if ( ! empty( $selected ) && $selected != 'none' && $this->add_blockchain_fee ) {
+                $est = CryptAPI\Helper::get_estimate( $selected );
+
+                $fee_order += (float) $est->{get_woocommerce_currency()};
+            }
+
+            if ( empty( $fee_order ) ) {
+                return;
+            }
+
+            WC()->cart->add_fee( __( 'Service Fee', 'cryptapi' ), $fee_order, true );
+        }
+    }
+
+    function refresh_checkout() {
+        if ( WC_CryptAPI_Gateway::$HAS_TRIGGERED ) {
+            return;
+        }
+        WC_CryptAPI_Gateway::$HAS_TRIGGERED = true;
+        if ( is_checkout() ) {
+            wp_register_script( 'cryptapi-checkout', '' );
+            wp_enqueue_script( 'cryptapi-checkout' );
+            wp_add_inline_script( 'cryptapi-checkout', "jQuery(function ($) { $('form.checkout').on('change', 'input[name=payment_method], #payment_cryptapi_coin', function () { $(document.body).trigger('update_checkout');});});" );
+        }
+    }
+
+    function chosen_currency_value_to_wc_session( $posted_data ) {
+        parse_str( $posted_data, $fields );
+
+        if ( isset( $fields['cryptapi_coin'] ) ) {
+            WC()->session->set( 'cryptapi_coin', $fields['cryptapi_coin'] );
+        }
+    }
+
+    public function process_admin_options() {
+        parent::update_option( 'coins', $_POST['coins'] );
+        parent::process_admin_options();
+    }
+
+    function add_email_link( $order, $sent_to_admin, $plain_text, $email ) {
+        if ( WC_CryptAPI_Gateway::$HAS_TRIGGERED ) {
+            return;
+        }
+
+        if ( $email->id == 'customer_on_hold_order' ) {
+            WC_CryptAPI_Gateway::$HAS_TRIGGERED = true;
+            echo '<a style="display:block;text-align:center;margin: 40px auto; font-size: 16px; font-weight: bold;" href="' . esc_url( $this->get_return_url( $order ) ) . '" target="_blank">' . __( 'Check your payment status', 'cryptapi' ) . '</a>';
+        }
+    }
+
+    function add_order_link( $actions, $order ) {
+        if ( $order->has_status( 'on-hold' ) ) {
+            $action_slug = 'ca_payment_url';
+
+            $actions[ $action_slug ] = array(
+                'url'  => $this->get_return_url( $order ),
+                'name' => __( 'Pay', 'cryptapi' ),
+            );
+        }
+
+        return $actions;
+    }
+
+    function get_private_order_notes( $order_id ) {
+        global $wpdb;
+
+        $table_perfixed = $wpdb->prefix . 'comments';
+        $results        = $wpdb->get_results( "
         SELECT *
         FROM $table_perfixed
         WHERE  `comment_post_ID` = $order_id
         AND  `comment_type` LIKE  'order_note'
-    ");
-
-        foreach ($results as $note) {
-            $order_note[] = array(
-                'note_id' => $note->comment_ID,
-                'note_date' => $note->comment_date,
-                'note_author' => $note->comment_author,
-                'note_content' => $note->comment_content,
-            );
+    " );
+
+        foreach ( $results as $note ) {
+            $order_note[] = array(
+                'note_id'      => $note->comment_ID,
+                'note_date'    => $note->comment_date,
+                'note_author'  => $note->comment_author,
+                'note_content' => $note->comment_content,
+            );
+        }
+
+        return $order_note;
+    }
+
+    function order_detail_validate_logs($order) {
+        if ( WC_CryptAPI_Gateway::$HAS_TRIGGERED ) {
+            return;
+        }
+
+        if($order->is_paid()) {
+            return;
         }
-        return $order_note;
-    }
+
+        $ajax_url = add_query_arg( array(
+            'action' => 'cryptapi_validate_logs',
+            'order_id' => $order->get_ID(),
+        ), home_url( '/wp-admin/admin-ajax.php' ) );
+        ?>
+       <p class="form-field form-field-wide wc-customer-user">
+           <small style="display: block;">
+               <?php echo sprintf(esc_attr( __( 'If the order is not being updated, your ISP is probably blocking our IPs (%1$s and %2$s): please try to get them whitelisted and feel free to contact us anytime to get support (link to our contact page). In the meantime you can refresh the status of any payment by clicking this button below:', 'cryptapi' ) ), '145.239.119.223', '135.125.112.47'); ?>
+           </small>
+       </p>
+        <a style="margin-top: 1rem;margin-bottom: 1rem;" id="validate_callbacks" class="button action" href="#">
+            <?php echo esc_attr( __( 'Check for Callbacks', 'cryptapi' ) ); ?>
+        </a>
+        <script>
+            jQuery(function () {
+                const validate_button = jQuery('#validate_callbacks');
+
+                validate_button.on('click', function (e) {
+                    e.preventDefault();
+                    validate_callbacks();
+                    validate_button.html('<?php echo esc_attr( __( 'Checking', 'cryptapi' ) );?>');
+                })
+
+                function validate_callbacks() {
+                    jQuery.getJSON('<?php echo $ajax_url?>').always(function () {
+                        window.location.reload();
+                    })
+                }
+            })
+        </script>
+        <?php
+        WC_CryptAPI_Gateway::$HAS_TRIGGERED = true;
+    }
 }

cryptapi-payment-gateway-for-woocommerce/tags/4.6.5/define.php

@@ -1 +1 @@
 <?php
 
-define('CRYPTAPI_PLUGIN_VERSION', '4.6.4');
+define('CRYPTAPI_PLUGIN_VERSION', '4.6.5');
 define('CRYPTAPI_PLUGIN_PATH', plugin_dir_path(__FILE__));
 define('CRYPTAPI_PLUGIN_URL', plugin_dir_url(__FILE__));

cryptapi-payment-gateway-for-woocommerce/tags/4.6.5/readme.txt

@@ -4 +4 @@
 Requires at least: 5
 Tested up to: 6.0.2
-Stable tag: 4.6.4
+Stable tag: 4.6.5
 Requires PHP: 7.2
 WC requires at least: 5.8
@@ -296 +296 @@
 * Minor fixes
 
+= 4.6.5 =
+* Added option to check for failed callbacks
+* Minor fixes
+
 == Upgrade Notice ==
 

cryptapi-payment-gateway-for-woocommerce/trunk/CryptAPI.php

@@ -4 +4 @@
 Plugin URI: https://github.com/cryptapi/woocommerce-cryptapi
 Description: Accept cryptocurrency payments on your WooCommerce website
-Version: 4.6.4
+Version: 4.6.5
 Requires at least: 5
 Tested up to: 6.0.2

cryptapi-payment-gateway-for-woocommerce/trunk/README.md

@@ -286 +286 @@
 * Minor fixes
 
+#### 4.6.5
+* Added option to check for failed callbacks
+* Minor fixes
+
 ### Upgrade Notice
 #### 4.3

cryptapi-payment-gateway-for-woocommerce/trunk/controllers/CryptAPI.php

@@ -3 +3 @@
 use Cryptapi\Helper;
 
-class WC_CryptAPI_Gateway extends WC_Payment_Gateway
-{
-    private static $HAS_TRIGGERED = false;
-    private static $COIN_OPTIONS = [];
-
-    function __construct()
-    {
-        $this->id = 'cryptapi';
-        $this->icon = CRYPTAPI_PLUGIN_URL . 'static/files/200_logo_ca.png';
-        $this->has_fields = true;
-        $this->method_title = 'CryptAPI';
-        $this->method_description = __('CryptAPI allows customers to pay in cryptocurrency', 'cryptapi');
-
-        $this->supports = array(
-            'products',
-            'tokenization',
-            'add_payment_method',
-            'subscriptions',
-            'subscription_cancellation',
-            'subscription_amount_changes',
-            'subscription_suspension',
-            'subscription_reactivation',
-            'subscription_date_changes',
-            'multiple_subscriptions',
-        );
-
-        $this->load_coins();
-
-        $this->init_form_fields();
-        $this->init_settings();
-        $this->ca_settings();
-
-        add_action('woocommerce_update_options_payment_gateways_' . $this->id, array($this, 'process_admin_options'));
-        add_action('woocommerce_thankyou_' . $this->id, array($this, 'thankyou_page'));
-        add_action('woocommerce_api_wc_gateway_' . $this->id, array($this, 'validate_payment'));
-
-        add_action('woocommerce_scheduled_subscription_payment_' . $this->id, array($this, 'scheduled_subscription_mail'), 10, 2);
-
-        add_action('wcs_create_pending_renewal', array($this, 'subscription_send_email'));
-
-        add_action('wp_ajax_nopriv_' . $this->id . '_order_status', array($this, 'order_status'));
-        add_action('wp_ajax_' . $this->id . '_order_status', array($this, 'order_status'));
-
-        add_action('cryptapi_cronjob', array($this, 'ca_cronjob'), 10, 3);
-
-        add_action('woocommerce_cart_calculate_fees', array($this, 'handling_fee'));
-
-        add_action('woocommerce_checkout_update_order_review', array($this, 'chosen_currency_value_to_wc_session'));
-
-        add_action('wp_footer', array($this, 'refresh_checkout'));
-
-        add_action('woocommerce_email_order_details', array($this, 'add_email_link'), 2, 4);
-
-        add_filter('woocommerce_my_account_my_orders_actions', array($this, 'add_order_link'), 10, 2);
-    }
-
-    function load_coins()
-    {
-        if (!empty(WC_CryptAPI_Gateway::$COIN_OPTIONS)) {
-            return;
-        }
-
-        $transient = get_transient('cryptapi_coins');
-        if (!empty($transient)) {
-            WC_CryptAPI_Gateway::$COIN_OPTIONS = $transient;
-
-            return;
-        }
-
-        $coins = CryptAPI\Helper::get_supported_coins();
-        set_transient('cryptapi_coins', $coins, 86400);
-        WC_CryptAPI_Gateway::$COIN_OPTIONS = $coins;
-    }
-
-    function admin_options()
-    {
-        parent::admin_options();
-        ?>
+class WC_CryptAPI_Gateway extends WC_Payment_Gateway {
+    private static $HAS_TRIGGERED = false;
+    private static $COIN_OPTIONS = [];
+
+    function __construct() {
+        $this->id                 = 'cryptapi';
+        $this->icon               = CRYPTAPI_PLUGIN_URL . 'static/files/200_logo_ca.png';
+        $this->has_fields         = true;
+        $this->method_title       = 'CryptAPI';
+        $this->method_description = esc_attr( __( 'CryptAPI allows customers to pay in cryptocurrency', 'cryptapi' ) );
+
+        $this->supports = array(
+            'products',
+            'tokenization',
+            'add_payment_method',
+            'subscriptions',
+            'subscription_cancellation',
+            'subscription_amount_changes',
+            'subscription_suspension',
+            'subscription_reactivation',
+            'subscription_date_changes',
+            'multiple_subscriptions',
+        );
+
+        $this->load_coins();
+
+        $this->init_form_fields();
+        $this->init_settings();
+        $this->ca_settings();
+
+        add_action( 'woocommerce_update_options_payment_gateways_' . $this->id, array( $this, 'process_admin_options' ) );
+        add_action( 'woocommerce_thankyou_' . $this->id, array( $this, 'thankyou_page' ) );
+        add_action( 'woocommerce_api_wc_gateway_' . $this->id, array( $this, 'validate_payment' ) );
+
+        add_action( 'woocommerce_scheduled_subscription_payment_' . $this->id, array( $this, 'scheduled_subscription_mail' ), 10, 2 );
+
+        add_action( 'wcs_create_pending_renewal', array( $this, 'subscription_send_email' ) );
+
+        add_action( 'wp_ajax_nopriv_' . $this->id . '_order_status', array( $this, 'order_status' ) );
+        add_action( 'wp_ajax_' . $this->id . '_order_status', array( $this, 'order_status' ) );
+
+        add_action( 'wp_ajax_' . $this->id . '_validate_logs', array( $this, 'validate_logs' ) );
+
+        add_action( 'cryptapi_cronjob', array( $this, 'ca_cronjob' ), 10, 3 );
+
+        add_action( 'woocommerce_cart_calculate_fees', array( $this, 'handling_fee' ) );
+
+        add_action( 'woocommerce_checkout_update_order_review', array( $this, 'chosen_currency_value_to_wc_session' ) );
+
+        add_action( 'wp_footer', array( $this, 'refresh_checkout' ) );
+
+        add_action( 'woocommerce_email_order_details', array( $this, 'add_email_link' ), 2, 4 );
+
+        add_filter( 'woocommerce_my_account_my_orders_actions', array( $this, 'add_order_link' ), 10, 2 );
+
+        add_action( 'woocommerce_admin_order_data_after_order_details', array( $this, 'order_detail_validate_logs' ) );
+
+    }
+
+    function load_coins() {
+        if ( ! empty( WC_CryptAPI_Gateway::$COIN_OPTIONS ) ) {
+            return;
+        }
+
+        $transient = get_transient( 'cryptapi_coins' );
+        if ( ! empty( $transient ) ) {
+            WC_CryptAPI_Gateway::$COIN_OPTIONS = $transient;
+
+            return;
+        }
+
+        $coins = CryptAPI\Helper::get_supported_coins();
+        set_transient( 'cryptapi_coins', $coins, 86400 );
+        WC_CryptAPI_Gateway::$COIN_OPTIONS = $coins;
+    }
+
+    function admin_options() {
+        parent::admin_options();
+        ?>
         <div style='margin-top: 2rem;'>
-            <?php echo __("If you need any help or have any suggestion, contact us via the <b>live chat</b> on our <b><a href='https://cryptapi.io' target='_blank'>website</a></b> or join our <b><a href='https://discord.gg/cryptapi' target='_blank'>Discord server</a></b>", "cryptapi") ?>
+            <?php echo __( "If you need any help or have any suggestion, contact us via the <b>live chat</b> on our <b><a href='https://cryptapi.io' target='_blank'>website</a></b> or join our <b><a href='https://discord.gg/cryptapi' target='_blank'>Discord server</a></b>", "cryptapi" ); ?>
         </div>
         <div style='margin-top: .5rem;'>
-            <?php echo __("If you enjoy this plugin please <b><a href='https://wordpress.org/support/plugin/cryptapi-payment-gateway-for-woocommerce/reviews/#new-post' target='_blank'>rate and review it</a></b>!", "cryptapi") ?>
+            <?php echo __( "If you enjoy this plugin please <b><a href='https://wordpress.org/support/plugin/cryptapi-payment-gateway-for-woocommerce/reviews/#new-post' target='_blank'>rate and review it</a></b>!", "cryptapi" ) ?>
         </div>
         <div style="margin-top: 1.5rem">
@@ -165 +166 @@
             </a>
         </div>
-        <?php
-    }
-
-    private function ca_settings()
-    {
-        $this->enabled = $this->get_option('enabled');
-        $this->title = $this->get_option('title');
-        $this->description = $this->get_option('description');
-        $this->api_key = $this->get_option('api_key');
-        $this->qrcode_size = $this->get_option('qrcode_size');
-        $this->qrcode_default = $this->get_option('qrcode_default') === 'yes';
-        $this->qrcode_setting = $this->get_option('qrcode_setting');
-        $this->coins = $this->get_option('coins');
-        $this->show_branding = $this->get_option('show_branding') === 'yes';
-        $this->show_crypto_logos = $this->get_option('show_crypto_logos') === 'yes';
-        $this->color_scheme = $this->get_option('color_scheme');
-        $this->refresh_value_interval = $this->get_option('refresh_value_interval');
-        $this->order_cancelation_timeout = $this->get_option('order_cancelation_timeout');
-        $this->add_blockchain_fee = $this->get_option('add_blockchain_fee') === 'yes';
-        $this->fee_order_percentage = $this->get_option('fee_order_percentage');
-        $this->virtual_complete = $this->get_option('virtual_complete') === 'yes';
-        $this->disable_conversion = $this->get_option('disable_conversion') === 'yes';
-        $this->icon = '';
-
-        if (!empty(WC_CryptAPI_Gateway::$COIN_OPTIONS)) {
-            foreach (array_keys(WC_CryptAPI_Gateway::$COIN_OPTIONS) as $coin) {
-                $this->{$coin . '_address'} = $this->get_option($coin . '_address');
-            }
-        }
-    }
-
-    function init_form_fields()
-    {
-
-        if (!empty(WC_CryptAPI_Gateway::$COIN_OPTIONS)) {
-            $this->form_fields = array(
-                'enabled' => array(
-                    'title' => __('Enabled', 'cryptapi'),
-                    'type' => 'checkbox',
-                    'label' => __('Enable CryptAPI Payments', 'cryptapi'),
-                    'default' => 'yes'
-                ),
-                'title' => array(
-                    'title' => __('Title', 'cryptapi'),
-                    'type' => 'text',
-                    'description' => __('This controls the title which the user sees during checkout.', 'cryptapi'),
-                    'default' => __('Cryptocurrency', 'cryptapi'),
-                    'desc_tip' => true,
-                ),
-                'description' => array(
-                    'title' => __('Description', 'cryptapi'),
-                    'type' => 'textarea',
-                    'default' => '',
-                    'description' => __('Payment method description that the customer will see on your checkout', 'cryptapi')
-                ),
-                'show_branding' => array(
-                    'title' => __('Show CryptAPI branding', 'cryptapi'),
-                    'type' => 'checkbox',
-                    'label' => __('Show CryptAPI logo and credits below the QR code', 'cryptapi'),
-                    'default' => 'yes'
-                ),
-                'show_crypto_logos' => array(
-                    'title' => __('Show crypto logos in checkout', 'cryptapi'),
-                    'type' => 'checkbox',
-                    'label' => sprintf(__('Enable this to show the cryptocurrencies logos in the checkout %1$s %2$s Notice: %3$s It may break in some templates. Use at your own risk.', 'cryptapi'), '<br/>', '<strong>', '</strong>'),
-                    'default' => 'no'
-                ),
-                'add_blockchain_fee' => array(
-                    'title' => __('Add the blockchain fee to the order', 'cryptapi'),
-                    'type' => 'checkbox',
-                    'label' => __("This will add an estimation of the blockchain fee to the order value", 'cryptapi'),
-                    'default' => 'no'
-                ),
-                'fee_order_percentage' => array(
-                    'title' => __('Service fee manager', 'cryptapi'),
-                    'type' => 'select',
-                    'default' => 'none',
-                    'options' => array(
-                        '0.05' => '5%',
-                        '0.048' => '4.8%',
-                        '0.045' => '4.5%',
-                        '0.042' => '4.2%',
-                        '0.04' => '4%',
-                        '0.038' => '3.8%',
-                        '0.035' => '3.5%',
-                        '0.032' => '3.2%',
-                        '0.03' => '3%',
-                        '0.028' => '2.8%',
-                        '0.025' => '2.5%',
-                        '0.022' => '2.2%',
-                        '0.02' => '2%',
-                        '0.018' => '1.8%',
-                        '0.015' => '1.5%',
-                        '0.012' => '1.2%',
-                        '0.01' => '1%',
-                        '0.0090' => '0.90%',
-                        '0.0085' => '0.85%',
-                        '0.0080' => '0.80%',
-                        '0.0075' => '0.75%',
-                        '0.0070' => '0.70%',
-                        '0.0065' => '0.65%',
-                        '0.0060' => '0.60%',
-                        '0.0055' => '0.55%',
-                        '0.0050' => '0.50%',
-                        '0.0040' => '0.40%',
-                        '0.0030' => '0.30%',
-                        '0.0025' => '0.25%',
-                        'none' => '0%',
-                    ),
-                    'description' => sprintf(__('Set the CryptAPI service fee you want to charge the costumer. %1$s %2$s Note: %3$s Fee you want to charge your costumers (to cover CryptAPI\'s fees fully or partially).', 'cryptapi'), '<br/>', '<strong>', '</strong>')
-                ),
-                'qrcode_default' => array(
-                    'title' => __('QR Code by default', 'cryptapi'),
-                    'type' => 'checkbox',
-                    'label' => __('Show the QR Code by default', 'cryptapi'),
-                    'default' => 'yes'
-                ),
-                'qrcode_size' => array(
-                    'title' => __('QR Code size', 'cryptapi'),
-                    'type' => 'number',
-                    'default' => 300,
-                    'description' => __('QR code image size', 'cryptapi')
-                ),
-                'qrcode_setting' => array(
-                    'title' => __('QR Code to show', 'cryptapi'),
-                    'type' => 'select',
-                    'default' => 'ammount',
-                    'options' => array(
-                        'without_ammount' => __('Default Without Amount', 'cryptapi'),
-                        'ammount' => __('Default Amount', 'cryptapi'),
-                        'hide_ammount' => __('Hide Amount', 'cryptapi'),
-                        'hide_without_ammount' => __('Hide Without Amount', 'cryptapi'),
-                    ),
-                    'description' => __('Select how you want to show the QR Code to the user. Either select a default to show first, or hide one of them.', 'cryptapi')
-                ),
-                'color_scheme' => array(
-                    'title' => __('Color Scheme', 'cryptapi'),
-                    'type' => 'select',
-                    'default' => 'light',
-                    'description' => __('Selects the color scheme of the plugin to match your website (Light, Dark and Auto to automatically detect it)', 'cryptapi'),
-                    'options' => array(
-                        'light' => __('Light', 'cryptapi'),
-                        'dark' => __('Dark', 'cryptapi'),
-                        'auto' => __('Auto', 'cryptapi'),
-                    ),
-                ),
-                'refresh_value_interval' => array(
-                    'title' => __('Refresh converted value', 'cryptapi'),
-                    'type' => 'select',
-                    'default' => '300',
-                    'options' => array(
-                        '0' => __('Never', 'cryptapi'),
-                        '300' => __('Every 5 Minutes', 'cryptapi'),
-                        '600' => __('Every 10 Minutes', 'cryptapi'),
-                        '900' => __('Every 15 Minutes', 'cryptapi'),
-                        '1800' => __('Every 30 Minutes', 'cryptapi'),
-                        '2700' => __('Every 45 Minutes', 'cryptapi'),
-                        '3600' => __('Every 60 Minutes', 'cryptapi'),
-                    ),
-                    'description' => sprintf(__('The system will automatically update the conversion value of the invoices (with real-time data), every X minutes. %1$s This feature is helpful whenever a customer takes long time to pay a generated invoice and the selected crypto a volatile coin/token (not stable coin). %1$s %4$s Warning: %3$s Setting this setting to none might create conversion issues, as we advise you to keep it at 5 minutes. %3$s', 'cryptapi'), '<br/>', '<strong>', '</strong>', '<strong style="color: #f44336;">'),
-                ),
-                'order_cancelation_timeout' => array(
-                    'title' => __('Order cancelation timeout', 'cryptapi'),
-                    'type' => 'select',
-                    'default' => '0',
-                    'options' => array(
-                        '0' => __('Never', 'cryptapi'),
-                        '3600' => __('1 Hour', 'cryptapi'),
-                        '21600' => __('6 Hours', 'cryptapi'),
-                        '43200' => __('12 Hours', 'cryptapi'),
-                        '64800' => __('18 Hours', 'cryptapi'),
-                        '86400' => __('24 Hours', 'cryptapi'),
-                    ),
-                    'description' => sprintf(__('Selects the amount of time the user has to  pay for the order. %1$s When this time is over, order will be marked as "Cancelled" and every paid value will be ignored. %1$s %2$s Notice: %3$s If the user still sends money to the generated address, value will still be redirected to you. %1$s %4$s Warning: %3$s We do not advice more than 1 Hour.', 'cryptapi'), '<br/>', '<strong>', '</strong>', '<strong style="color: #f44336;">'),
-                ),
-                'virtual_complete' => array(
-                    'title' => __('Completed status for virtual products', 'cryptapi'),
-                    'type' => 'checkbox',
-                    'label' => sprintf(__('When this setting is enabled, the plugin will mark the order as "completed" then payment is received. %1$s Only for virtual products %2$s.', 'cryptapi'), '<strong>', '</strong>'),
-                    'default' => 'no'
-                ),
-                'disable_conversion' => array(
-                    'title' => __('Disable price conversion', 'cryptapi'),
-                    'type' => 'checkbox',
-                    'label' => sprintf(__('%2$s Attention: This option will disable the price conversion for ALL cryptocurrencies! %3$s %1$s If you check this, pricing will not be converted from the currency of your shop to the cryptocurrency selected by the user, and users will be requested to pay the same value as shown on your shop, regardless of the cryptocurrency selected', 'cryptapi'), '<br/>', '<strong>', '</strong>'),
-                    'default' => 'no'
-                ),
-                'api_key' => array(
-                    'title' => __('API Key', 'cryptapi'),
-                    'type' => 'text',
-                    'default' => '',
-                    'description' => sprintf(__('Insert here your BlockBee API Key. You can get one here: %1$s', 'cryptapi'), '<a href="https://dash.blockbee.io/" target="_blank">https://dash.blockbee.io/</a>')
-                ),
-            );
-
-            $coin_description = __('Insert your %s address here. Leave the checkbox unselected if you want to skip this cryptocurrency', 'cryptapi');
-
-            $c = 0;
-            foreach (WC_CryptAPI_Gateway::$COIN_OPTIONS as $ticker => $coin) {
-                $this->form_fields["{$ticker}_address"] = array(
-                    'title' => is_array($coin) ? $coin['name'] : $coin,
-                    'type' => 'cryptocurrency',
-                    'description' => sprintf($coin_description, is_array($coin) ? $coin['name'] : $coin),
-                    'desc_tip' => true,
-                    'custom_attributes' => array(
-                        'counter' => $c++,
-                    )
-                );
-
-            }
-
-        }
-    }
-
-    function needs_setup()
-    {
-        if (empty($this->coins) || !is_array($this->coins)) {
-            return true;
-        }
-
-        foreach ($this->coins as $val) {
-            if (!empty($this->{$val . '_address'})) {
-                return false;
-            }
-        }
-
-        return true;
-    }
-
-    public function get_icon()
-    {
-
-        $icon = $this->show_branding ? '<img style="top: -5px; position:relative" width="120" src="' . plugin_dir_url(dirname(__FILE__)) . 'static/files/200_logo_ca.png' . '" alt="' . esc_attr($this->get_title()) . '" />' : '';
-
-        return apply_filters('woocommerce_gateway_icon', $icon, $this->id);
-    }
-
-    function payment_fields()
-    { ?>
+        <?php
+    }
+
+    private function ca_settings() {
+        $this->enabled                   = $this->get_option( 'enabled' );
+        $this->title                     = $this->get_option( 'title' );
+        $this->description               = $this->get_option( 'description' );
+        $this->api_key                   = $this->get_option( 'api_key' );
+        $this->qrcode_size               = $this->get_option( 'qrcode_size' );
+        $this->qrcode_default            = $this->get_option( 'qrcode_default' ) === 'yes';
+        $this->qrcode_setting            = $this->get_option( 'qrcode_setting' );
+        $this->coins                     = $this->get_option( 'coins' );
+        $this->show_branding             = $this->get_option( 'show_branding' ) === 'yes';
+        $this->show_crypto_logos         = $this->get_option( 'show_crypto_logos' ) === 'yes';
+        $this->color_scheme              = $this->get_option( 'color_scheme' );
+        $this->refresh_value_interval    = $this->get_option( 'refresh_value_interval' );
+        $this->order_cancelation_timeout = $this->get_option( 'order_cancelation_timeout' );
+        $this->add_blockchain_fee        = $this->get_option( 'add_blockchain_fee' ) === 'yes';
+        $this->fee_order_percentage      = $this->get_option( 'fee_order_percentage' );
+        $this->virtual_complete          = $this->get_option( 'virtual_complete' ) === 'yes';
+        $this->disable_conversion        = $this->get_option( 'disable_conversion' ) === 'yes';
+        $this->icon                      = '';
+
+        if ( ! empty( WC_CryptAPI_Gateway::$COIN_OPTIONS ) ) {
+            foreach ( array_keys( WC_CryptAPI_Gateway::$COIN_OPTIONS ) as $coin ) {
+                $this->{$coin . '_address'} = $this->get_option( $coin . '_address' );
+            }
+        }
+    }
+
+    function init_form_fields() {
+
+        if ( ! empty( WC_CryptAPI_Gateway::$COIN_OPTIONS ) ) {
+            $this->form_fields = array(
+                'enabled'                   => array(
+                    'title'   => esc_attr( __( 'Enabled', 'cryptapi' ) ),
+                    'type'    => 'checkbox',
+                    'label'   => esc_attr( __( 'Enable CryptAPI Payments', 'cryptapi' ) ),
+                    'default' => 'yes'
+                ),
+                'title'                     => array(
+                    'title'       => esc_attr( __( 'Title', 'cryptapi' ) ),
+                    'type'        => 'text',
+                    'description' => esc_attr( __( 'This controls the title which the user sees during checkout.', 'cryptapi' ) ),
+                    'default'     => esc_attr( __( 'Cryptocurrency', 'cryptapi' ) ),
+                    'desc_tip'    => true,
+                ),
+                'description'               => array(
+                    'title'       => esc_attr( __( 'Description', 'cryptapi' ) ),
+                    'type'        => 'textarea',
+                    'default'     => '',
+                    'description' => esc_attr( __( 'Payment method description that the customer will see on your checkout', 'cryptapi' ) )
+                ),
+                'show_branding'             => array(
+                    'title'   => esc_attr( __( 'Show CryptAPI branding', 'cryptapi' ) ),
+                    'type'    => 'checkbox',
+                    'label'   => esc_attr( __( 'Show CryptAPI logo and credits below the QR code', 'cryptapi' ) ),
+                    'default' => 'yes'
+                ),
+                'show_crypto_logos'         => array(
+                    'title'   => esc_attr( __( 'Show crypto logos in checkout', 'cryptapi' ) ),
+                    'type'    => 'checkbox',
+                    'label'   => sprintf( esc_attr( __( 'Enable this to show the cryptocurrencies logos in the checkout %1$s %2$s Notice: %3$s It may break in some templates. Use at your own risk.', 'cryptapi' ) ), '<br/>', '<strong>', '</strong>' ),
+                    'default' => 'no'
+                ),
+                'add_blockchain_fee'        => array(
+                    'title'   => esc_attr( __( 'Add the blockchain fee to the order', 'cryptapi' ) ),
+                    'type'    => 'checkbox',
+                    'label'   => esc_attr( __( "This will add an estimation of the blockchain fee to the order value", 'cryptapi' ) ),
+                    'default' => 'no'
+                ),
+                'fee_order_percentage'      => array(
+                    'title'       => esc_attr( __( 'Service fee manager', 'cryptapi' ) ),
+                    'type'        => 'select',
+                    'default'     => 'none',
+                    'options'     => array(
+                        '0.05'   => '5%',
+                        '0.048'  => '4.8%',
+                        '0.045'  => '4.5%',
+                        '0.042'  => '4.2%',
+                        '0.04'   => '4%',
+                        '0.038'  => '3.8%',
+                        '0.035'  => '3.5%',
+                        '0.032'  => '3.2%',
+                        '0.03'   => '3%',
+                        '0.028'  => '2.8%',
+                        '0.025'  => '2.5%',
+                        '0.022'  => '2.2%',
+                        '0.02'   => '2%',
+                        '0.018'  => '1.8%',
+                        '0.015'  => '1.5%',
+                        '0.012'  => '1.2%',
+                        '0.01'   => '1%',
+                        '0.0090' => '0.90%',
+                        '0.0085' => '0.85%',
+                        '0.0080' => '0.80%',
+                        '0.0075' => '0.75%',
+                        '0.0070' => '0.70%',
+                        '0.0065' => '0.65%',
+                        '0.0060' => '0.60%',
+                        '0.0055' => '0.55%',
+                        '0.0050' => '0.50%',
+                        '0.0040' => '0.40%',
+                        '0.0030' => '0.30%',
+                        '0.0025' => '0.25%',
+                        'none'   => '0%',
+                    ),
+                    'description' => sprintf( esc_attr( __( 'Set the CryptAPI service fee you want to charge the costumer. %1$s %2$s Note: %3$s Fee you want to charge your costumers (to cover CryptAPI\'s fees fully or partially).', 'cryptapi' ) ), '<br/>', '<strong>', '</strong>' )
+                ),
+                'qrcode_default'            => array(
+                    'title'   => esc_attr( __( 'QR Code by default', 'cryptapi' ) ),
+                    'type'    => 'checkbox',
+                    'label'   => esc_attr( __( 'Show the QR Code by default', 'cryptapi' ) ),
+                    'default' => 'yes'
+                ),
+                'qrcode_size'               => array(
+                    'title'       => esc_attr( __( 'QR Code size', 'cryptapi' ) ),
+                    'type'        => 'number',
+                    'default'     => 300,
+                    'description' => esc_attr( __( 'QR code image size', 'cryptapi' ) )
+                ),
+                'qrcode_setting'            => array(
+                    'title'       => esc_attr( __( 'QR Code to show', 'cryptapi' ) ),
+                    'type'        => 'select',
+                    'default'     => 'without_ammount',
+                    'options'     => array(
+                        'without_ammount'      => esc_attr( __( 'Default Without Amount', 'cryptapi' ) ),
+                        'ammount'              => esc_attr( __( 'Default Amount', 'cryptapi' ) ),
+                        'hide_ammount'         => esc_attr( __( 'Hide Amount', 'cryptapi' ) ),
+                        'hide_without_ammount' => esc_attr( __( 'Hide Without Amount', 'cryptapi' ) ),
+                    ),
+                    'description' => esc_attr( __( 'Select how you want to show the QR Code to the user. Either select a default to show first, or hide one of them.', 'cryptapi' ) )
+                ),
+                'color_scheme'              => array(
+                    'title'       => esc_attr( __( 'Color Scheme', 'cryptapi' ) ),
+                    'type'        => 'select',
+                    'default'     => 'light',
+                    'description' => esc_attr( __( 'Selects the color scheme of the plugin to match your website (Light, Dark and Auto to automatically detect it)', 'cryptapi' ) ),
+                    'options'     => array(
+                        'light' => esc_attr( __( 'Light', 'cryptapi' ) ),
+                        'dark'  => esc_attr( __( 'Dark', 'cryptapi' ) ),
+                        'auto'  => esc_attr( __( 'Auto', 'cryptapi' ) ),
+                    ),
+                ),
+                'refresh_value_interval'    => array(
+                    'title'       => esc_attr( __( 'Refresh converted value', 'cryptapi' ) ),
+                    'type'        => 'select',
+                    'default'     => '300',
+                    'options'     => array(
+                        '0'    => esc_attr( __( 'Never', 'cryptapi' ) ),
+                        '300'  => esc_attr( __( 'Every 5 Minutes', 'cryptapi' ) ),
+                        '600'  => esc_attr( __( 'Every 10 Minutes', 'cryptapi' ) ),
+                        '900'  => esc_attr( __( 'Every 15 Minutes', 'cryptapi' ) ),
+                        '1800' => esc_attr( __( 'Every 30 Minutes', 'cryptapi' ) ),
+                        '2700' => esc_attr( __( 'Every 45 Minutes', 'cryptapi' ) ),
+                        '3600' => esc_attr( __( 'Every 60 Minutes', 'cryptapi' ) ),
+                    ),
+                    'description' => sprintf( esc_attr( __( 'The system will automatically update the conversion value of the invoices (with real-time data), every X minutes. %1$s This feature is helpful whenever a customer takes long time to pay a generated invoice and the selected crypto a volatile coin/token (not stable coin). %1$s %4$s Warning: %3$s Setting this setting to none might create conversion issues, as we advise you to keep it at 5 minutes. %3$s', 'cryptapi' ) ), '<br/>', '<strong>', '</strong>', '<strong style="color: #f44336;">' ),
+                ),
+                'order_cancelation_timeout' => array(
+                    'title'       => esc_attr( __( 'Order cancelation timeout', 'cryptapi' ) ),
+                    'type'        => 'select',
+                    'default'     => '0',
+                    'options'     => array(
+                        '0'     => esc_attr( __( 'Never', 'cryptapi' ) ),
+                        '3600'  => esc_attr( __( '1 Hour', 'cryptapi' ) ),
+                        '21600' => esc_attr( __( '6 Hours', 'cryptapi' ) ),
+                        '43200' => esc_attr( __( '12 Hours', 'cryptapi' ) ),
+                        '64800' => esc_attr( __( '18 Hours', 'cryptapi' ) ),
+                        '86400' => esc_attr( __( '24 Hours', 'cryptapi' ) ),
+                    ),
+                    'description' => sprintf( esc_attr( __( 'Selects the amount of time the user has to  pay for the order. %1$s When this time is over, order will be marked as "Cancelled" and every paid value will be ignored. %1$s %2$s Notice: %3$s If the user still sends money to the generated address, value will still be redirected to you. %1$s %4$s Warning: %3$s We do not advice more than 1 Hour.', 'cryptapi' ) ), '<br/>', '<strong>', '</strong>', '<strong style="color: #f44336;">' ),
+                ),
+                'virtual_complete'          => array(
+                    'title'   => esc_attr( __( 'Completed status for virtual products', 'cryptapi' ) ),
+                    'type'    => 'checkbox',
+                    'label'   => sprintf( __( 'When this setting is enabled, the plugin will mark the order as "completed" then payment is received. %1$s Only for virtual products %2$s.', 'cryptapi' ), '<strong>', '</strong>' ),
+                    'default' => 'no'
+                ),
+                'disable_conversion'        => array(
+                    'title'   => esc_attr( __( 'Disable price conversion', 'cryptapi' ) ),
+                    'type'    => 'checkbox',
+                    'label'   => sprintf( __( '%2$s Attention: This option will disable the price conversion for ALL cryptocurrencies! %3$s %1$s If you check this, pricing will not be converted from the currency of your shop to the cryptocurrency selected by the user, and users will be requested to pay the same value as shown on your shop, regardless of the cryptocurrency selected', 'cryptapi' ), '<br/>', '<strong>', '</strong>' ),
+                    'default' => 'no'
+                ),
+                'api_key'                   => array(
+                    'title'       => esc_attr( __( 'API Key', 'cryptapi' ) ),
+                    'type'        => 'text',
+                    'default'     => '',
+                    'description' => sprintf( esc_attr( __( 'Insert here your BlockBee API Key. You can get one here: %1$s', 'cryptapi' ) ), '<a href="https://dash.blockbee.io/" target="_blank">https://dash.blockbee.io/</a>' )
+                ),
+            );
+
+            $coin_description = esc_attr( __( 'Insert your %s address here. Leave the checkbox unselected if you want to skip this cryptocurrency', 'cryptapi' ) );
+
+            $c = 0;
+            foreach ( WC_CryptAPI_Gateway::$COIN_OPTIONS as $ticker => $coin ) {
+                $this->form_fields["{$ticker}_address"] = array(
+                    'title'             => is_array( $coin ) ? $coin['name'] : $coin,
+                    'type'              => 'cryptocurrency',
+                    'description'       => sprintf( $coin_description, is_array( $coin ) ? $coin['name'] : $coin ),
+                    'desc_tip'          => true,
+                    'custom_attributes' => array(
+                        'counter' => $c ++,
+                    )
+                );
+
+            }
+
+        }
+    }
+
+    function needs_setup() {
+        if ( empty( $this->coins ) || ! is_array( $this->coins ) ) {
+            return true;
+        }
+
+        foreach ( $this->coins as $val ) {
+            if ( ! empty( $this->{$val . '_address'} ) ) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    public function get_icon() {
+
+        $icon = $this->show_branding ? '<img style="top: -5px; position:relative" width="120" src="' . esc_url( plugin_dir_url( dirname( __FILE__ ) ) ) . 'static/files/200_logo_ca.png' . '" alt="' . esc_attr( $this->get_title() ) . '" />' : '';
+
+        return apply_filters( 'woocommerce_gateway_icon', $icon, $this->id );
+    }
+
+    function payment_fields() { ?>
         <div class="form-row form-row-wide">
-            <p><?php echo $this->description; ?></p>
+            <p><?php echo esc_attr( $this->description ); ?></p>
             <ul style="margin-top: 7px; list-style: none outside;">
-                <?php
-                if (!empty($this->coins) && is_array($this->coins)) {
-                    $selected = WC()->session->get('cryptapi_coin');
-                    ?>
+                <?php
+                if ( ! empty( $this->coins ) && is_array( $this->coins ) ) {
+                    $selected = WC()->session->get( 'cryptapi_coin' );
+                    ?>
                     <li>
                         <select name="cryptapi_coin" id="payment_cryptapi_coin" class="input-control" style="display:block; margin-top: 10px">
-                            <option value="none"><?php echo __('Please select a Cryptocurrency', 'cryptapi') ?></option>
-                            <?php
-                            foreach ($this->coins as $val) {
-                                $addr = $this->{$val . '_address'};
-                                $apikey = $this->api_key;
-                                if (!empty($addr) || !empty($apikey)) { ?>
-                                    <option data-image="<?php echo WC_CryptAPI_Gateway::$COIN_OPTIONS[$val]['logo']; ?>" value="<?php echo $val; ?>" <?php
-                                    if (!empty($selected) && $selected === $val) {
-                                        echo " selected='true'";
-                                    }
-                                    $crypto_name = is_array(WC_CryptAPI_Gateway::$COIN_OPTIONS[$val]) ? WC_CryptAPI_Gateway::$COIN_OPTIONS[$val]['name'] : WC_CryptAPI_Gateway::$COIN_OPTIONS[$val];
-                                    ?>> <?php echo __('Pay with', 'cryptapi') . ' ' . $crypto_name; ?></option>
-                                    <?php
-                                }
-                            }
-                            ?>
+                            <option value="none"><?php echo esc_attr( __( 'Please select a Cryptocurrency', 'cryptapi' ) ) ?></option>
+                            <?php
+                            foreach ( $this->coins as $val ) {
+                                $addr   = $this->{$val . '_address'};
+                                $apikey = $this->api_key;
+                                if ( ! empty( $addr ) || ! empty( $apikey ) ) { ?>
+                                    <option data-image="<?php echo esc_url( WC_CryptAPI_Gateway::$COIN_OPTIONS[ $val ]['logo'] ); ?>" value="<?php echo esc_attr( $val ); ?>" <?php
+                                    if ( ! empty( $selected ) && $selected === $val ) {
+                                        echo esc_attr( "selected='true'" );
+                                    }
+                                    $crypto_name = is_array( WC_CryptAPI_Gateway::$COIN_OPTIONS[ $val ] ) ? WC_CryptAPI_Gateway::$COIN_OPTIONS[ $val ]['name'] : WC_CryptAPI_Gateway::$COIN_OPTIONS[ $val ];
+                                    ?>> <?php echo esc_attr( __( 'Pay with', 'cryptapi' ) . ' ' . $crypto_name ); ?></option>
+                                    <?php
+                                }
+                            }
+                            ?>
                         </select>
                     </li>
-                    <?php
-                } ?>
+                    <?php
+                } ?>
             </ul>
         </div>
-        <?php
-        if ($this->show_crypto_logos) {
-            ?>
+        <?php
+        if ( $this->show_crypto_logos ) {
+            ?>
             <script>
                 if (typeof jQuery.fn.selectWoo !== 'undefined') {
@@ -458 +454 @@
                 }
             </script>
-            <?php
+            <?php
+        }
+    }
+
+    function validate_fields() {
+        return array_key_exists( sanitize_text_field( $_POST['cryptapi_coin'] ), WC_CryptAPI_Gateway::$COIN_OPTIONS );
+    }
+
+    function process_payment( $order_id ) {
+        global $woocommerce;
+
+        $selected = sanitize_text_field( $_POST['cryptapi_coin'] );
+
+        if ( $selected === 'none' ) {
+            wc_add_notice( __( 'Payment error: ', 'woocommerce' ) . ' ' . __( 'Please choose a cryptocurrency', 'cryptapi' ), 'error' );
+
+            return null;
+        }
+
+        $api_key = $this->api_key;
+        $addr    = $this->{$selected . '_address'};
+
+        if ( ! empty( $addr ) || ! empty( $api_key ) ) {
+
+            $nonce = $this->generate_nonce();
+
+            $callback_url = str_replace( 'https:', 'http:', add_query_arg( array(
+                'wc-api'   => 'WC_Gateway_CryptAPI',
+                'order_id' => $order_id,
+                'nonce'    => $nonce,
+            ), home_url( '/' ) ) );
+
+            try {
+                $order = new WC_Order( $order_id );
+
+                if ( in_array( 'woocommerce-subscriptions/woocommerce-subscriptions.php', apply_filters( 'active_plugins', get_option( 'active_plugins' ) ) ) ) {
+
+                    if ( wcs_order_contains_subscription( $order_id ) ) {
+
+                        $sign_up_fee      = ( WC_Subscriptions_Order::get_sign_up_fee( $order ) ) ? 0 : WC_Subscriptions_Order::get_sign_up_fee( $order );
+                        $initial_payment  = ( WC_Subscriptions_Order::get_total_initial_payment( $order ) ) ? 0 : WC_Subscriptions_Order::get_total_initial_payment( $order );
+                        $price_per_period = ( WC_Subscriptions_Order::get_recurring_total( $order ) ) ? 0 : WC_Subscriptions_Order::get_recurring_total( $order );
+
+                        $total = $sign_up_fee + $initial_payment + $price_per_period + $order->get_total( 'edit' );
+
+                        if ( $total == 0 ) {
+                            $order->add_meta_data( 'cryptapi_currency', $selected );
+                            $order->save_meta_data();
+                            $order->payment_complete();
+                            $woocommerce->cart->empty_cart();
+
+                            return array(
+                                'result'   => 'success',
+                                'redirect' => $this->get_return_url( $order )
+                            );
+                        }
+                    }
+                }
+
+                $total = $order->get_total( 'edit' );
+
+                $currency = get_woocommerce_currency();
+
+                $info   = CryptAPI\Helper::get_info( $selected );
+                $min_tx = CryptAPI\Helper::sig_fig( $info->minimum_transaction_coin, 6 );
+
+                $crypto_total = CryptAPI\Helper::get_conversion( $currency, $selected, $total, $this->disable_conversion );
+
+                if ( $crypto_total < $min_tx ) {
+                    wc_add_notice( __( 'Payment error:', 'woocommerce' ) . ' ' . __( 'Value too low, minimum is', 'cryptapi' ) . ' ' . $min_tx . ' ' . strtoupper( $selected ), 'error' );
+
+                    return null;
+                }
+
+                $ca = new CryptAPI\Helper( $selected, $addr, $api_key, $callback_url, [], true );
+
+                $addr_in = $ca->get_address();
+
+                if ( empty( $addr_in ) ) {
+                    wc_add_notice( __( 'Payment error:', 'woocommerce' ) . ' ' . __( 'There was an error with the payment. Please try again.', 'cryptapi' ) );
+
+                    return null;
+                }
+
+                $qr_code_data_value = CryptAPI\Helper::get_static_qrcode( $addr_in, $selected, $crypto_total, $this->qrcode_size );
+                $qr_code_data       = CryptAPI\Helper::get_static_qrcode( $addr_in, $selected, '', $this->qrcode_size );
+
+                $order->add_meta_data( 'cryptapi_nonce', $nonce );
+                $order->add_meta_data( 'cryptapi_address', $addr_in );
+                $order->add_meta_data( 'cryptapi_total', CryptAPI\Helper::sig_fig( $crypto_total, 6 ) );
+                $order->add_meta_data( 'cryptapi_total_fiat', $total );
+                $order->add_meta_data( 'cryptapi_currency', $selected );
+                $order->add_meta_data( 'cryptapi_qr_code_value', $qr_code_data_value['qr_code'] );
+                $order->add_meta_data( 'cryptapi_qr_code', $qr_code_data['qr_code'] );
+                $order->add_meta_data( 'cryptapi_last_price_update', time() );
+                $order->add_meta_data( 'cryptapi_cancelled', '0' );
+                $order->add_meta_data( 'cryptapi_min', $min_tx );
+                $order->add_meta_data( 'cryptapi_history', json_encode( [] ) );
+                $order->add_meta_data( 'cryptapi_callback_url', $callback_url );
+                $order->add_meta_data( 'cryptapi_last_checked', $order->get_date_created()->getTimestamp() );
+                $order->save_meta_data();
+
+                $order->update_status( 'on-hold', __( 'Awaiting payment', 'cryptapi' ) . ': ' . WC_CryptAPI_Gateway::$COIN_OPTIONS[ $selected ] );
+                $woocommerce->cart->empty_cart();
+
+                return array(
+                    'result'   => 'success',
+                    'redirect' => $this->get_return_url( $order )
+                );
+
+            } catch ( Exception $e ) {
+                wc_add_notice( __( 'Payment error:', 'cryptapi' ) . 'Unknown coin', 'error' );
+
+                return null;
+            }
+        }
+
+        wc_add_notice( __( 'Payment error:', 'woocommerce' ) . __( 'Payment could not be processed, please try again', 'cryptapi' ), 'error' );
+
+        return null;
+    }
+
+    function validate_payment() {
+        $data = CryptAPI\Helper::process_callback( $_GET );
+
+        $order = new WC_Order( $data['order_id'] );
+
+        if ( $order->is_paid() || $order->get_status() === 'cancelled' || $data['nonce'] != $order->get_meta( 'cryptapi_nonce' ) ) {
+            die( "*ok*" );
+        }
+
+        $order->update_meta_data( 'cryptapi_last_checked', time() );
+        $order->save_meta_data();
+
+        // Actually process the callback data
+        $this->process_callback_data( $data, $order );
+    }
+
+    function order_status() {
+        $order_id = sanitize_text_field( $_REQUEST['order_id'] );
+
+        try {
+            $order = new WC_Order( $order_id );
+
+            $showMinFee = '0';
+
+            $history = json_decode( $order->get_meta( 'cryptapi_history' ), true );
+
+            $calc = $this->calc_order( $history, $order->get_meta( 'cryptapi_total' ), $order->get_meta( 'cryptapi_total_fiat' ) );
+
+            $already_paid      = $calc['already_paid'];
+            $already_paid_fiat = $calc['already_paid_fiat'];
+
+            $min_tx = floatval( $order->get_meta( 'cryptapi_min' ) );
+
+            $remaining_pending = $calc['remaining_pending'];
+            $remaining_fiat    = $calc['remaining_fiat'];
+
+            $cryptapi_pending = 0;
+
+            $counter_calc = (int) $order->get_meta( 'cryptapi_last_price_update' ) + (int) $this->refresh_value_interval - time();
+
+            if ( $remaining_pending <= 0 && ! $order->is_paid() ) {
+                $cryptapi_pending = 1;
+            }
+
+            if ( $counter_calc <= 0 && ! $order->is_paid() ) {
+                $this->ca_cronjob();
+            }
+
+            if ( $remaining_pending <= $min_tx && $remaining_pending > 0 ) {
+                $remaining_pending = $min_tx;
+                $showMinFee        = 1;
+            }
+
+            $data = [
+                'is_paid'           => $order->is_paid(),
+                'is_pending'        => $cryptapi_pending,
+                'qr_code_value'     => $order->get_meta( 'cryptapi_qr_code_value' ),
+                'cancelled'         => (int) $order->get_meta( 'cryptapi_cancelled' ),
+                'coin'              => strtoupper( $order->get_meta( 'cryptapi_currency' ) ),
+                'show_min_fee'      => $showMinFee,
+                'order_history'     => json_decode( $order->get_meta( 'cryptapi_history' ), true ),
+                'counter'           => (string) $counter_calc,
+                'crypto_total'      => floatval( $order->get_meta( 'cryptapi_total' ) ),
+                'already_paid'      => $already_paid,
+                'remaining'         => $remaining_pending <= 0 ? 0 : $remaining_pending,
+                'fiat_remaining'    => $remaining_fiat <= 0 ? 0 : $remaining_fiat,
+                'already_paid_fiat' => floatval( $already_paid_fiat ) <= 0 ? 0 : floatval( $already_paid_fiat ),
+                'fiat_symbol'       => get_woocommerce_currency_symbol(),
+            ];
+
+            echo json_encode( $data );
+            die();
+
+        } catch ( Exception $e ) {
+            //
+        }
+
+        echo json_encode( [ 'status' => 'error', 'error' => 'Not a valid order_id' ] );
+        die();
+    }
+
+    function validate_logs() {
+        $order_id = sanitize_text_field( $_REQUEST['order_id'] );
+        $order = new WC_Order($order_id);
+
+        try {
+
+            $callbacks = CryptAPI\Helper::check_logs( $order->get_meta( 'cryptapi_callback_url' ), $order->get_meta( 'cryptapi_currency' ) );
+
+            $order->update_meta_data( 'cryptapi_last_checked', time() );
+            $order->save_meta_data();
+
+            if($callbacks) {
+                foreach ( $callbacks as $callback ) {
+                    $logs        = $callback->logs;
+                    $request_url = parse_url( $logs[0]->request_url );
+                    parse_str( $request_url['query'], $data );
+
+                    if ( empty( $history[ $data->uuid ] ) || ( ! empty( $history[ $data->uuid ] ) && (int) $history[ $data->uuid ]['pending'] === 1 && (int) $data['pending'] === 0 ) ) {
+                        $this->process_callback_data( $data, $order, true );
+                    }
+                }
+            }
+            die();
+        } catch ( Exception $e ) {
+            //
+        }
+        die();
+    }
+
+    function process_callback_data( $data, $order, $validation = false ) {
+        $paid = floatval( $data['value_coin'] );
+
+        $min_tx = floatval( $order->get_meta( 'cryptapi_min' ) );
+
+        $crypto_coin = strtoupper( $order->get_meta( 'cryptapi_currency' ) );
+
+        $history = json_decode( $order->get_meta( 'cryptapi_history' ), true );
+
+        if(!$data['uuid']) {
+            if ( ! $validation ) {
+                die( "*ok*" );
+            } else {
+                return;
+            }
         }
-    }
-
-    function validate_fields()
-    {
-        return array_key_exists(sanitize_text_field($_POST['cryptapi_coin']), WC_CryptAPI_Gateway::$COIN_OPTIONS);
-    }
-
-    function process_payment($order_id)
-    {
-        global $woocommerce;
-
-        $selected = sanitize_text_field($_POST['cryptapi_coin']);
-
-        if ($selected === 'none') {
-            wc_add_notice(__('Payment error: ', 'woocommerce') . ' ' . __('Please choose a cryptocurrency', 'cryptapi'), 'error');
-
-            return null;
-        }
-
-        $api_key = $this->api_key;
-        $addr = $this->{$selected . '_address'};
-
-        if (!empty($addr) || !empty($api_key)) {
-
-            $nonce = $this->generate_nonce();
-
-            $callback_url = str_replace('https:', 'http:', add_query_arg(array(
-                'wc-api' => 'WC_Gateway_CryptAPI',
-                'order_id' => $order_id,
-                'nonce' => $nonce,
-            ), home_url('/')));
-
-            try {
-                $order = new WC_Order($order_id);
-
-                if (in_array('woocommerce-subscriptions/woocommerce-subscriptions.php', apply_filters('active_plugins', get_option('active_plugins')))) {
-
-                    if (wcs_order_contains_subscription($order_id)) {
-
-                        $sign_up_fee = (WC_Subscriptions_Order::get_sign_up_fee($order)) ? 0 : WC_Subscriptions_Order::get_sign_up_fee($order);
-                        $initial_payment = (WC_Subscriptions_Order::get_total_initial_payment($order)) ? 0 : WC_Subscriptions_Order::get_total_initial_payment($order);
-                        $price_per_period = (WC_Subscriptions_Order::get_recurring_total($order)) ? 0 : WC_Subscriptions_Order::get_recurring_total($order);
-
-                        $total = $sign_up_fee + $initial_payment + $price_per_period + $order->get_total('edit');
-
-                        if ($total == 0) {
-                            $order->add_meta_data('cryptapi_currency', $selected);
-                            $order->save_meta_data();
-                            $order->payment_complete();
-                            $woocommerce->cart->empty_cart();
-
-                            return array(
-                                'result' => 'success',
-                                'redirect' => $this->get_return_url($order)
-                            );
-                        }
-                    }
-                }
-
-                $total = $order->get_total('edit');
-
-                $currency = get_woocommerce_currency();
-
-                $info = CryptAPI\Helper::get_info($selected);
-                $min_tx = CryptAPI\Helper::sig_fig($info->minimum_transaction_coin, 6);
-
-                $crypto_total = CryptAPI\Helper::get_conversion($currency, $selected, $total, $this->disable_conversion);
-
-                if ($crypto_total < $min_tx) {
-                    wc_add_notice(__('Payment error:', 'woocommerce') . ' ' . __('Value too low, minimum is', 'cryptapi') . ' ' . $min_tx . ' ' . strtoupper($selected), 'error');
-
-                    return null;
-                }
-
-                $ca = new CryptAPI\Helper($selected, $addr, $api_key, $callback_url, [], true);
-
-                $addr_in = $ca->get_address();
-
-                if (empty($addr_in)) {
-                    wc_add_notice(__('Payment error:', 'woocommerce') . ' ' . __('There was an error with the payment. Please try again.', 'cryptapi'));
-
-                    return null;
-                }
-
-                $qr_code_data_value = CryptAPI\Helper::get_static_qrcode($addr_in, $selected, $crypto_total, $this->qrcode_size);
-                $qr_code_data = CryptAPI\Helper::get_static_qrcode($addr_in, $selected, '', $this->qrcode_size);
-
-                $order->add_meta_data('cryptapi_nonce', $nonce);
-                $order->add_meta_data('cryptapi_address', $addr_in);
-                $order->add_meta_data('cryptapi_total', CryptAPI\Helper::sig_fig($crypto_total, 6));
-                $order->add_meta_data('cryptapi_total_fiat', $total);
-                $order->add_meta_data('cryptapi_currency', $selected);
-                $order->add_meta_data('cryptapi_qr_code_value', $qr_code_data_value['qr_code']);
-                $order->add_meta_data('cryptapi_qr_code', $qr_code_data['qr_code']);
-                $order->add_meta_data('cryptapi_last_price_update', time());
-                $order->add_meta_data('cryptapi_cancelled', '0');
-                $order->add_meta_data('cryptapi_min', $min_tx);
-                $order->add_meta_data('cryptapi_history', json_encode([]));
-                $order->add_meta_data('cryptapi_callback_url', $callback_url);
-                $order->add_meta_data('cryptapi_last_checked', $order->get_date_created()->getTimestamp());
-                $order->save_meta_data();
-
-                $order->update_status('on-hold', __('Awaiting payment', 'cryptapi') . ': ' . WC_CryptAPI_Gateway::$COIN_OPTIONS[$selected]);
-                $woocommerce->cart->empty_cart();
-
-                return array(
-                    'result' => 'success',
-                    'redirect' => $this->get_return_url($order)
-                );
-
-            } catch (Exception $e) {
-                wc_add_notice(__('Payment error:', 'cryptapi') . 'Unknown coin', 'error');
-
-                return null;
-            }
-        }
-
-        wc_add_notice(__('Payment error:', 'woocommerce') . __('Payment could not be processed, please try again', 'cryptapi'), 'error');
-
-        return null;
-    }
-
-    function validate_payment()
-    {
-        $data = CryptAPI\Helper::process_callback($_GET);
-
-        $order = new WC_Order($data['order_id']);
-
-        if ($order->is_paid() || $order->get_status() === 'cancelled' || $data['nonce'] != $order->get_meta('cryptapi_nonce')) {
-            die("*ok*");
-        }
-
-        $order->update_meta_data('cryptapi_last_checked', time());
-        $order->save_meta_data();
-
-        // Actually process the callback data
-        $this->process_callback_data($data, $order);
-    }
-
-    function order_status()
-    {
-        $order_id = sanitize_text_field($_REQUEST['order_id']);
-
-        try {
-            $order = new WC_Order($order_id);
-
-            $showMinFee = '0';
-
-            $history = json_decode($order->get_meta('cryptapi_history'), true);
-
-            $calc = $this->calc_order($history, $order->get_meta('cryptapi_total'), $order->get_meta('cryptapi_total_fiat'));
-
-            $already_paid = $calc['already_paid'];
-            $already_paid_fiat = $calc['already_paid_fiat'];
-
-            $min_tx = floatval($order->get_meta('cryptapi_min'));
-
-            $remaining_pending = $calc['remaining_pending'];
-            $remaining_fiat = $calc['remaining_fiat'];
-
-            $cryptapi_pending = 0;
-
-            $counter_calc = (int)$order->get_meta('cryptapi_last_price_update') + (int)$this->refresh_value_interval - time();
-
-            if ($remaining_pending <= 0 && !$order->is_paid()) {
-                $cryptapi_pending = 1;
-            }
-
-            if ($counter_calc <= 0 && !$order->is_paid()) {
-                $this->ca_cronjob();
-            }
-
-            if ($remaining_pending <= $min_tx && $remaining_pending > 0) {
-                $remaining_pending = $min_tx;
-                $showMinFee = 1;
-            }
-
-            if (((int)$order->get_meta('cryptapi_last_checked') + 60) < time() && (int)$order->get_meta('cryptapi_cancelled') === 0 && !$order->is_paid()) {
-                $this->validate_logs($order, $history);
-            }
-
-            $data = [
-                'is_paid' => $order->is_paid(),
-                'is_pending' => $cryptapi_pending,
-                'qr_code_value' => $order->get_meta('cryptapi_qr_code_value'),
-                'cancelled' => (int)$order->get_meta('cryptapi_cancelled'),
-                'coin' => strtoupper($order->get_meta('cryptapi_currency')),
-                'show_min_fee' => $showMinFee,
-                'order_history' => json_decode($order->get_meta('cryptapi_history'), true),
-                'counter' => (string)$counter_calc,
-                'crypto_total' => floatval($order->get_meta('cryptapi_total')),
-                'already_paid' => $already_paid,
-                'remaining' => $remaining_pending <= 0 ? 0 : $remaining_pending,
-                'fiat_remaining' => $remaining_fiat <= 0 ? 0 : $remaining_fiat,
-                'already_paid_fiat' => floatval($already_paid_fiat) <= 0 ? 0 : floatval($already_paid_fiat),
-                'fiat_symbol' => get_woocommerce_currency_symbol(),
-            ];
-
-            echo json_encode($data);
-            die();
-
-        } catch (Exception $e) {
-            //
-        }
-
-        echo json_encode(['status' => 'error', 'error' => 'Not a valid order_id']);
-        die();
-    }
-
-    function validate_logs($order, $history)
-    {
-        $callbacks = CryptAPI\Helper::check_logs($order->get_meta('cryptapi_callback_url'), $order->get_meta('cryptapi_currency'));
-
-        $order->update_meta_data('cryptapi_last_checked', time());
-        $order->save_meta_data();
-
-        foreach ($callbacks as $callback) {
-            $logs = $callback->logs;
-            $request_url = parse_url($logs[0]->request_url);
-            parse_str($request_url['query'], $data);
-
-            if (empty($history[$data->uuid]) || (!empty($history[$data->uuid]) && (int)$history[$data->uuid]['pending'] === 1 && (int)$data['pending'] === 0)) {
-                $this->process_callback_data($data, $order, true);
-            }
-        }
-    }
-
-    function process_callback_data($data, $order, $validation = false)
-    {
-        $paid = floatval($data['value_coin']);
-
-        $min_tx = floatval($order->get_meta('cryptapi_min'));
-
-        $crypto_coin = strtoupper($order->get_meta('cryptapi_currency'));
-
-        $history = json_decode($order->get_meta('cryptapi_history'), true);
-
-        if (empty($history[$data['uuid']])) {
-            $conversion = json_decode(stripcslashes($data['value_coin_convert']), true);
-
-            $history[$data['uuid']] = [
-                'timestamp' => time(),
-                'value_paid' => CryptAPI\Helper::sig_fig($paid, 6),
-                'value_paid_fiat' => $conversion[get_woocommerce_currency()],
-                'pending' => $data['pending']
-            ];
-        } else {
-            $history[$data['uuid']]['pending'] = $data['pending'];
-        }
-
-        $order->update_meta_data('cryptapi_history', json_encode($history));
-        $order->save_meta_data();
-
-        $calc = $this->calc_order(json_decode($order->get_meta('cryptapi_history'), true), $order->get_meta('cryptapi_total'), $order->get_meta('cryptapi_total_fiat'));
-
-        $remaining = $calc['remaining'];
-        $remaining_pending = $calc['remaining_pending'];
-
-        $order_notes = $this->get_private_order_notes($order->get_id());
-
-        $has_pending = false;
-        $has_confirmed = false;
-
-        foreach ($order_notes as $note) {
-            $note_content = $note['note_content'];
-
-            if (strpos((string)$note_content, 'PENDING') && strpos((string)$note_content, $data['txid_in'])) {
-                $has_pending = true;
-            }
-
-            if (strpos((string)$note_content, 'CONFIRMED') && strpos((string)$note_content, $data['txid_in'])) {
-                $has_confirmed = true;
-            }
-        }
-
-        if (!$has_pending) {
-            $order->add_order_note(
-                '[PENDING] ' .
-                __('User sent a payment of', 'cryptapi') . ' ' .
-                $paid . ' ' . $crypto_coin .
-                '. TXID: ' . $data['txid_in']
-            );
-        }
-
-        if (!$has_confirmed && (int)$data['pending'] === 0) {
-            $order->add_order_note(
-                '[CONFIRMED] ' . __('User sent a payment of', 'cryptapi') . ' ' .
-                $paid . ' ' . $crypto_coin .
-                '. TXID: ' . $data['txid_in']
-            );
-
-            if ($remaining > 0) {
-                if ($remaining < $min_tx) {
-                    $order->add_order_note(__('Payment detected and confirmed. Customer still need to send', 'cryptapi') . ' ' . $min_tx . $crypto_coin, false);
-                } else {
-                    $order->add_order_note(__('Payment detected and confirmed. Customer still need to send', 'cryptapi') . ' ' . $remaining . $crypto_coin, false);
-                }
-            }
-        }
-
-        if ($remaining_pending <= 0) {
-            if ($remaining <= 0) {
-                $order->payment_complete($data['address_in']);
-                if ($this->virtual_complete) {
-                    $count_products = count($order->get_items());
-                    $count_virtual = 0;
-                    foreach ($order->get_items() as $order_item) {
-                        $item = wc_get_product($order_item->get_product_id());
-                        $item_obj = $item->get_type() === 'variable' ? wc_get_product($order_item['variation_id']) : $item;
-
-                        if ($item_obj->is_virtual()) {
-                            $count_virtual += 1;
-                        }
-                    }
-                    if ($count_virtual === $count_products) {
-                        $order->update_status('completed');
-                    }
-                }
-                $order->save();
-            }
-            if (!$validation) {
-                die("*ok*");
-            } else {
-                return;
-            }
-        }
-
-        if ($remaining_pending < $min_tx) {
-            $order->update_meta_data('cryptapi_qr_code_value', CryptAPI\Helper::get_static_qrcode($order->get_meta('cryptapi_address'), $order->get_meta('cryptapi_currency'), $min_tx, $this->qrcode_size)['qr_code']);
-        } else {
-            $order->update_meta_data('cryptapi_qr_code_value', CryptAPI\Helper::get_static_qrcode($order->get_meta('cryptapi_address'), $order->get_meta('cryptapi_currency'), $remaining_pending, $this->qrcode_size)['qr_code']);
-        }
-        $order->save_meta_data();
-
-        if (!$validation) {
-            die("*ok*");
-        }
-    }
-
-    function thankyou_page($order_id)
-    {
-        if (WC_CryptAPI_Gateway::$HAS_TRIGGERED) {
-            return;
-        }
-        WC_CryptAPI_Gateway::$HAS_TRIGGERED = true;
-
-        $order = new WC_Order($order_id);
-        $total = $order->get_total();
-        $currency_symbol = get_woocommerce_currency_symbol();
-        $address_in = $order->get_meta('cryptapi_address');
-        $crypto_value = $order->get_meta('cryptapi_total');
-        $crypto_coin = $order->get_meta('cryptapi_currency');
-        $qr_code_img_value = $order->get_meta('cryptapi_qr_code_value');
-        $qr_code_img = $order->get_meta('cryptapi_qr_code');
-        $qr_code_setting = $this->get_option('qrcode_setting');
-        $color_scheme = $this->get_option('color_scheme');
-        $min_tx = $order->get_meta('cryptapi_min');
-
-        $ajax_url = add_query_arg(array(
-            'action' => 'cryptapi_order_status',
-            'order_id' => $order_id,
-        ), home_url('/wp-admin/admin-ajax.php'));
-
-        wp_enqueue_script('ca-payment', CRYPTAPI_PLUGIN_URL . 'static/payment.js', array(), CRYPTAPI_PLUGIN_VERSION, true);
-        wp_add_inline_script('ca-payment', "jQuery(function() {let ajax_url = '{$ajax_url}'; setTimeout(function(){check_status(ajax_url)}, 500)})");
-        wp_enqueue_style('ca-loader-css', CRYPTAPI_PLUGIN_URL . 'static/cryptapi.css', false, CRYPTAPI_PLUGIN_VERSION);
-
-        $allowed_to_value = array(
-            'btc',
-            'eth',
-            'bch',
-            'ltc',
-            'miota',
-            'xmr',
-        );
-
-        $crypto_allowed_value = false;
-
-        $conversion_timer = ((int)$order->get_meta('cryptapi_last_price_update') + (int)$this->refresh_value_interval) - time();
-        $cancel_timer = $order->get_date_created()->getTimestamp() + (int)$this->order_cancelation_timeout - time();
-
-        if (in_array($crypto_coin, $allowed_to_value, true)) {
-            $crypto_allowed_value = true;
-        }
-        ?>
-        <div class="ca_payment-panel<?php
-        if ($color_scheme == 'auto') {
-            echo ' auto';
-        } elseif ($color_scheme == 'light') {
-            echo ' light';
-        } else {
-            echo ' dark';
-        }
-        ?>">
+
+        if ( empty( $history[ $data['uuid'] ] ) ) {
+            $conversion = json_decode( stripcslashes( $data['value_coin_convert'] ), true );
+
+            $history[ $data['uuid'] ] = [
+                'timestamp'       => time(),
+                'value_paid'      => CryptAPI\Helper::sig_fig( $paid, 6 ),
+                'value_paid_fiat' => $conversion[ get_woocommerce_currency() ],
+                'pending'         => $data['pending']
+            ];
+        } else {
+            $history[ $data['uuid'] ]['pending'] = $data['pending'];
+        }
+
+        $order->update_meta_data( 'cryptapi_history', json_encode( $history ) );
+        $order->save_meta_data();
+
+        $calc = $this->calc_order( json_decode( $order->get_meta( 'cryptapi_history' ), true ), $order->get_meta( 'cryptapi_total' ), $order->get_meta( 'cryptapi_total_fiat' ) );
+
+        $remaining         = $calc['remaining'];
+        $remaining_pending = $calc['remaining_pending'];
+
+        $order_notes = $this->get_private_order_notes( $order->get_id() );
+
+        $has_pending   = false;
+        $has_confirmed = false;
+
+        foreach ( $order_notes as $note ) {
+            $note_content = $note['note_content'];
+
+            if ( strpos( (string) $note_content, 'PENDING' ) && strpos( (string) $note_content, $data['txid_in'] ) ) {
+                $has_pending = true;
+            }
+
+            if ( strpos( (string) $note_content, 'CONFIRMED' ) && strpos( (string) $note_content, $data['txid_in'] ) ) {
+                $has_confirmed = true;
+            }
+        }
+
+        if ( ! $has_pending ) {
+            $order->add_order_note(
+                '[PENDING] ' .
+                __( 'User sent a payment of', 'cryptapi' ) . ' ' .
+                $paid . ' ' . $crypto_coin .
+                '. TXID: ' . $data['txid_in']
+            );
+        }
+
+        if ( ! $has_confirmed && (int) $data['pending'] === 0 ) {
+            $order->add_order_note(
+                '[CONFIRMED] ' . __( 'User sent a payment of', 'cryptapi' ) . ' ' .
+                $paid . ' ' . $crypto_coin .
+                '. TXID: ' . $data['txid_in']
+            );
+
+            if ( $remaining > 0 ) {
+                if ( $remaining < $min_tx ) {
+                    $order->add_order_note( __( 'Payment detected and confirmed. Customer still need to send', 'cryptapi' ) . ' ' . $min_tx . $crypto_coin, false );
+                } else {
+                    $order->add_order_note( __( 'Payment detected and confirmed. Customer still need to send', 'cryptapi' ) . ' ' . $remaining . $crypto_coin, false );
+                }
+            }
+        }
+
+        if ( $remaining_pending <= 0 ) {
+            if ( $remaining <= 0 ) {
+                $order->payment_complete( $data['address_in'] );
+                if ( $this->virtual_complete ) {
+                    $count_products = count( $order->get_items() );
+                    $count_virtual  = 0;
+                    foreach ( $order->get_items() as $order_item ) {
+                        $item     = wc_get_product( $order_item->get_product_id() );
+                        $item_obj = $item->get_type() === 'variable' ? wc_get_product( $order_item['variation_id'] ) : $item;
+
+                        if ( $item_obj->is_virtual() ) {
+                            $count_virtual += 1;
+                        }
+                    }
+                    if ( $count_virtual === $count_products ) {
+                        $order->update_status( 'completed' );
+                    }
+                }
+                $order->save();
+            }
+            if ( ! $validation ) {
+                die( "*ok*" );
+            } else {
+                return;
+            }
+        }
+
+        if ( $remaining_pending < $min_tx ) {
+            $order->update_meta_data( 'cryptapi_qr_code_value', CryptAPI\Helper::get_static_qrcode( $order->get_meta( 'cryptapi_address' ), $order->get_meta( 'cryptapi_currency' ), $min_tx, $this->qrcode_size )['qr_code'] );
+        } else {
+            $order->update_meta_data( 'cryptapi_qr_code_value', CryptAPI\Helper::get_static_qrcode( $order->get_meta( 'cryptapi_address' ), $order->get_meta( 'cryptapi_currency' ), $remaining_pending, $this->qrcode_size )['qr_code'] );
+        }
+        $order->save_meta_data();
+
+        if ( ! $validation ) {
+            die( "*ok*" );
+        }
+    }
+
+    function thankyou_page( $order_id ) {
+        if ( WC_CryptAPI_Gateway::$HAS_TRIGGERED ) {
+            return;
+        }
+        WC_CryptAPI_Gateway::$HAS_TRIGGERED = true;
+
+        $order             = new WC_Order( $order_id );
+        $total             = $order->get_total();
+        $currency_symbol   = get_woocommerce_currency_symbol();
+        $address_in        = $order->get_meta( 'cryptapi_address' );
+        $crypto_value      = $order->get_meta( 'cryptapi_total' );
+        $crypto_coin       = $order->get_meta( 'cryptapi_currency' );
+        $qr_code_img_value = $order->get_meta( 'cryptapi_qr_code_value' );
+        $qr_code_img       = $order->get_meta( 'cryptapi_qr_code' );
+        $qr_code_setting   = $this->get_option( 'qrcode_setting' );
+        $color_scheme      = $this->get_option( 'color_scheme' );
+        $min_tx            = $order->get_meta( 'cryptapi_min' );
+
+        $ajax_url = add_query_arg( array(
+            'action'   => 'cryptapi_order_status',
+            'order_id' => $order_id,
+        ), home_url( '/wp-admin/admin-ajax.php' ) );
+
+        wp_enqueue_script( 'ca-payment', CRYPTAPI_PLUGIN_URL . 'static/payment.js', array(), CRYPTAPI_PLUGIN_VERSION, true );
+        wp_add_inline_script( 'ca-payment', "jQuery(function() {let ajax_url = '{$ajax_url}'; setTimeout(function(){check_status(ajax_url)}, 500)})" );
+        wp_enqueue_style( 'ca-loader-css', CRYPTAPI_PLUGIN_URL . 'static/cryptapi.css', false, CRYPTAPI_PLUGIN_VERSION );
+
+        $allowed_to_value = array(
+            'btc',
+            'eth',
+            'bch',
+            'ltc',
+            'miota',
+            'xmr',
+        );
+
+        $crypto_allowed_value = false;
+
+        $conversion_timer = ( (int) $order->get_meta( 'cryptapi_last_price_update' ) + (int) $this->refresh_value_interval ) - time();
+        $cancel_timer     = $order->get_date_created()->getTimestamp() + (int) $this->order_cancelation_timeout - time();
+
+        if ( in_array( $crypto_coin, $allowed_to_value, true ) ) {
+            $crypto_allowed_value = true;
+        }
+        ?>
+        <div class="ca_payment-panel<?php esc_attr( $color_scheme ) ?>">
             <div class="ca_payment_details">
-                <?php
-                if ($total > 0) {
-                    ?>
+                <?php
+                if ( $total > 0 ) {
+                    ?>
                     <div class="ca_payments_wrapper">
                         <div class="ca_qrcode_wrapper" style="<?php
-                        if ($this->qrcode_default) {
-                            echo 'display: block';
-                        } else {
-                            echo 'display: none';
-                        }
-                        ?>; width: <?php echo intval($this->qrcode_size) + 20; ?>px;">
-                            <?php
-                            if ($crypto_allowed_value == true) {
-                                ?>
+                        if ( $this->qrcode_default ) {
+                            echo 'display: block';
+                        } else {
+                            echo 'display: none';
+                        }
+                        ?>; width: <?php echo intval( $this->qrcode_size ) + 20; ?>px;">
+                            <?php
+                            if ( $crypto_allowed_value == true ) {
+                                ?>
                                 <div class="inner-wrapper">
                                     <figure>
-                                        <?php
-                                        if ($qr_code_setting != 'hide_ammount') {
-                                            ?>
+                                        <?php
+                                        if ( $qr_code_setting != 'hide_ammount' ) {
+                                            ?>
                                             <img class="ca_qrcode no_value" <?php
-                                            if ($qr_code_setting == 'ammount') {
-                                                echo 'style="display:none;"';
-                                            }
-                                            ?> src="data:image/png;base64,<?php echo $qr_code_img; ?>" alt="<?php echo __('QR Code without value', 'cryptapi'); ?>"/>
-                                            <?php
-                                        }
-                                        if ($qr_code_setting != 'hide_without_ammount') {
-                                            ?>
+                                            if ( $qr_code_setting == 'ammount' ) {
+                                                echo 'style="display:none;"';
+                                            }
+                                            ?> src="data:image/png;base64,<?php echo $qr_code_img; ?>" alt="<?php echo esc_attr( __( 'QR Code without value', 'cryptapi' ) ); ?>"/>
+                                            <?php
+                                        }
+                                        if ( $qr_code_setting != 'hide_without_ammount' ) {
+                                            ?>
                                             <img class="ca_qrcode value" <?php
-                                            if ($qr_code_setting == 'without_ammount') {
-                                                echo 'style="display:none;"';
-                                            }
-                                            ?> src="data:image/png;base64,<?php echo $qr_code_img_value; ?>"
-                                                 alt="<?php echo __('QR Code with value', 'cryptapi'); ?>"/>
-                                            <?php
-                                        }
-                                        ?>
+                                            if ( $qr_code_setting == 'without_ammount' ) {
+                                                echo 'style="display:none;"';
+                                            }
+                                            ?> src="data:image/png;base64,<?php echo $qr_code_img_value; ?>"
+                                                 alt="<?php echo esc_attr( __( 'QR Code with value', 'cryptapi' ) ); ?>"/>
+                                            <?php
+                                        }
+                                        ?>
                                     </figure>
-                                    <?php
-                                    if ($qr_code_setting != 'hide_ammount' && $qr_code_setting != 'hide_without_ammount') {
-                                        ?>
+                                    <?php
+                                    if ( $qr_code_setting != 'hide_ammount' && $qr_code_setting != 'hide_without_ammount' ) {
+                                        ?>
                                         <div class="ca_qrcode_buttons">
-                                        <?php
-                                        if ($qr_code_setting != 'hide_without_ammount') {
-                                            ?>
-                                            <button class="ca_qrcode_btn no_value<?php
-                                            if ($qr_code_setting == 'without_ammount') {
-                                                echo ' active';
-                                            }
-                                            ?>" aria-label="<?php echo __('Show QR Code without value', 'cryptapi'); ?>">
-                                                <?php echo __('ADDRESS', 'cryptapi'); ?>
+                                        <?php
+                                        if ( $qr_code_setting != 'hide_without_ammount' ) {
+                                            ?>
+                                            <button class="ca_qrcode_btn no_value <?php
+                                            if ( $qr_code_setting == 'without_ammount' ) {
+                                                echo " active";
+                                            }
+                                            ?>" aria-label="<?php echo esc_attr( __( 'Show QR Code without value', 'cryptapi' ) ); ?>">
+                                                <?php echo esc_attr( __( 'ADDRESS', 'cryptapi' ) ); ?>
                                             </button>
-                                            <?php
-                                        }
-                                        if ($qr_code_setting != 'hide_ammount') {
-                                            ?>
+                                            <?php
+                                        }
+                                        if ( $qr_code_setting != 'hide_ammount' ) {
+                                            ?>
                                             <button class="ca_qrcode_btn value<?php
-                                            if ($qr_code_setting == 'ammount') {
-                                                echo ' active';
-                                            }
-                                            ?>" aria-label="<?php echo __('Show QR Code with value', 'cryptapi'); ?>">
-                                                <?php echo __('WITH AMOUNT', 'cryptapi'); ?>
+                                            if ( $qr_code_setting == 'ammount' ) {
+                                                echo " active";
+                                            }
+                                            ?>" aria-label="<?php echo esc_attr( __( 'Show QR Code with value', 'cryptapi' ) ); ?>">
+                                                <?php echo esc_attr( __( 'WITH AMOUNT', 'cryptapi' ) ); ?>
                                             </button>
                                             </div>
-                                            <?php
-                                        }
-                                    }
-                                    ?>
+                                            <?php
+                                        }
+                                    }
+                                    ?>
                                 </div>
-                                <?php
-                            } else {
-                                ?>
+                                <?php
+                            } else {
+                                ?>
                                 <div class="inner-wrapper">
                                     <figure>
-                                        <img class="ca_qrcode no_value" src="data:image/png;base64,<?php echo $qr_code_img; ?>"
-                                             alt="<?php echo __('QR Code without value', 'cryptapi'); ?>"/>
+                                        <img class="ca_qrcode no_value" src="data:image/png;base64,<?php echo esc_attr( $qr_code_img ); ?>"
+                                             alt="<?php echo esc_attr( __( 'QR Code without value', 'cryptapi' ) ); ?>"/>
                                     </figure>
                                     <div class="ca_qrcode_buttons">
-                                        <button class="ca_qrcode_btn no_value active" aria-label="<?php echo __('Show QR Code without value', 'cryptapi'); ?>">
-                                            <?php echo __('ADDRESS', 'cryptapi'); ?>
+                                        <button class="ca_qrcode_btn no_value active" aria-label="<?php echo esc_attr( __( 'Show QR Code without value', 'cryptapi' ) ); ?>">
+                                            <?php echo esc_attr( __( 'ADDRESS', 'cryptapi' ) ); ?>
                                         </button>
                                     </div>
                                 </div>
 
-                                <?php
-                            }
-                            ?>
+                                <?php
+                            }
+                            ?>
                         </div>
                         <div class="ca_details_box">
                             <div class="ca_details_text">
-                                <?php echo __('PLEASE SEND', 'cryptapi') ?>
-                                <button class="ca_copy ca_details_copy" data-tocopy="<?php echo $crypto_value; ?>">
-                                    <span><b class="ca_value"><?php echo $crypto_value ?></b></span>
-                                    <span><b><?php echo strtoupper($crypto_coin) ?></b></span>
-                                    <span class="ca_tooltip ca_copy_icon_tooltip tip"><?php echo __('COPY', 'cryptapi'); ?></span>
-                                    <span class="ca_tooltip ca_copy_icon_tooltip success" style="display: none"><?php echo __('COPIED!', 'cryptapi'); ?></span>
+                                <?php echo esc_attr( __( 'PLEASE SEND', 'cryptapi' ) ) ?>
+                                <button class="ca_copy ca_details_copy" data-tocopy="<?php echo esc_attr( $crypto_value ); ?>">
+                                    <span><b class="ca_value"><?php echo esc_attr( $crypto_value ) ?></b></span>
+                                    <span><b><?php echo strtoupper( esc_attr( $crypto_coin ) ) ?></b></span>
+                                    <span class="ca_tooltip ca_copy_icon_tooltip tip"><?php echo esc_attr( __( 'COPY', 'cryptapi' ) ); ?></span>
+                                    <span class="ca_tooltip ca_copy_icon_tooltip success" style="display: none"><?php echo esc_attr( __( 'COPIED!', 'cryptapi' ) ); ?></span>
                                 </button>
-                                <strong>(<?php echo "{$currency_symbol}" . " <span class='ca_fiat_total'>" . $total . "</span>"; ?>)</strong>
+                                <strong>(<?php echo esc_attr( $currency_symbol ) . " <span class='ca_fiat_total'>" . esc_attr( $total ) . "</span>"; ?>)</strong>
                             </div>
                             <div class="ca_payment_notification ca_notification_payment_received" style="display: none;">
-                                <?php echo sprintf(__('So far you sent %1s. Please send a new payment to complete the order, as requested above', 'cryptapi'),
-                                    '<strong><span class="ca_notification_ammount"></span></strong>'
-                                ); ?>
+                                <?php echo sprintf( esc_attr( __( 'So far you sent %1s. Please send a new payment to complete the order, as requested above', 'cryptapi' ) ),
+                                    '<strong><span class="ca_notification_ammount"></span></strong>'
+                                ); ?>
                             </div>
                             <div class="ca_payment_notification ca_notification_remaining" style="display: none">
-                                <?php echo '<strong>' . __('Notice', 'cryptapi') . '</strong>: ' . sprintf(__('For technical reasons, the minimum amount for each transaction is %1s, so we adjusted the value by adding the remaining to it.', 'cryptapi'),
-                                        $min_tx . ' ' . strtoupper($crypto_coin),
-                                        '<span class="ca_notification_remaining"></span>'
-                                    ); ?>
+                                <?php echo '<strong>' . esc_attr( __( 'Notice', 'cryptapi' ) ) . '</strong>: ' . sprintf( esc_attr( __( 'For technical reasons, the minimum amount for each transaction is %1s, so we adjusted the value by adding the remaining to it.', 'cryptapi' ) ),
+                                        $min_tx . ' ' . strtoupper( $crypto_coin ),
+                                        '<span class="ca_notification_remaining"></span>'
+                                    ); ?>
                             </div>
-                            <?php
-                            if (intval($this->refresh_value_interval) != 0) {
-                                ?>
+                            <?php
+                            if ( intval( $this->refresh_value_interval ) != 0 ) {
+                                ?>
                                 <div class="ca_time_refresh">
-                                    <?php echo sprintf(__('The %1s conversion rate will be adjusted in', 'cryptapi'),
-                                        strtoupper($crypto_coin)
-                                    ); ?>
-                                    <span class="ca_time_seconds_count" data-soon="<?php echo __('a moment', 'cryptapi'); ?>"
-                                          data-seconds="<?php echo $conversion_timer; ?>"><?php echo date('i:s', $conversion_timer); ?></span>
+                                    <?php echo sprintf( esc_attr( __( 'The %1s conversion rate will be adjusted in', 'cryptapi' ) ),
+                                        strtoupper( $crypto_coin )
+                                    ); ?>
+                                    <span class="ca_time_seconds_count" data-soon="<?php echo esc_attr( __( 'a moment', 'cryptapi' ) ); ?>"
+                                          data-seconds="<?php echo esc_attr( $conversion_timer ); ?>"><?php echo esc_attr( date( 'i:s', $conversion_timer ) ); ?></span>
                                 </div>
-                                <?php
-                            }
-                            ?>
+                                <?php
+                            }
+                            ?>
                             <div class="ca_details_input">
-                                <span><?php echo $address_in ?></span>
-                                <button class="ca_copy ca_copy_icon" data-tocopy="<?php echo $address_in; ?>">
-                                    <span class="ca_tooltip ca_copy_icon_tooltip tip"><?php echo __('COPY', 'cryptapi'); ?></span>
-                                    <span class="ca_tooltip ca_copy_icon_tooltip success" style="display: none"><?php echo __('COPIED!', 'cryptapi'); ?></span>
+                                <span><?php echo esc_attr( $address_in ) ?></span>
+                                <button class="ca_copy ca_copy_icon" data-tocopy="<?php echo esc_attr( $address_in ); ?>">
+                                    <span class="ca_tooltip ca_copy_icon_tooltip tip"><?php echo esc_attr( __( 'COPY', 'cryptapi' ) ); ?></span>
+                                    <span class="ca_tooltip ca_copy_icon_tooltip success" style="display: none"><?php echo esc_attr( __( 'COPIED!', 'cryptapi' ) ); ?></span>
                                 </button>
                                 <div class="ca_loader"></div>
                             </div>
                         </div>
-                        <?php
-                        if (intval($this->order_cancelation_timeout) != 0) {
-                            ?>
-                            <span class="ca_notification_cancel" data-text="<?php echo __('Order will be cancelled in less than a minute.', 'cryptapi'); ?>">
-                                    <?php echo sprintf(__('This order will be valid for %s', 'cryptapi'), '<strong><span class="ca_cancel_timer" data-timestamp="' . $cancel_timer . '">' . date('H:i', $cancel_timer) . '</span></strong>'); ?>
+                        <?php
+                        if ( intval( $this->order_cancelation_timeout ) != 0 ) {
+                            ?>
+                            <span class="ca_notification_cancel" data-text="<?php echo __( 'Order will be cancelled in less than a minute.', 'cryptapi' ); ?>">
+                                    <?php echo sprintf( esc_attr( __( 'This order will be valid for %s', 'cryptapi' ) ), '<strong><span class="ca_cancel_timer" data-timestamp="' . $cancel_timer . '">' . date( 'H:i', $cancel_timer ) . '</span></strong>' ); ?>
                                 </span>
-                            <?php
-                        }
-                        ?>
+                            <?php
+                        }
+                        ?>
                         <div class="ca_buttons_container">
-                            <a class="ca_show_qr" href="#" aria-label="<?php echo __('Show the QR code', 'cryptapi'); ?>">
-                                <span class="ca_show_qr_open<?php
-                                if (!$this->qrcode_default) {
-                                    echo ' active';
+                            <a class="ca_show_qr" href="#" aria-label="<?php echo esc_attr( __( 'Show the QR code', 'cryptapi' ) ); ?>">
+                                <span class="ca_show_qr_open <?php
+                                if ( ! $this->qrcode_default ) {
+                                    echo " active";
                                 }
-                                ?>"><?php echo __('Open QR CODE', 'cryptapi'); ?></span>
-                                <span class="ca_show_qr_close<?php
-                                if ($this->qrcode_default) {
-                                    echo ' active';
-                                }
-                                ?>"><?php echo __('Close QR CODE', 'cryptapi'); ?></span>
+                                ?>"><?php echo __( 'Open QR CODE', 'cryptapi' ); ?></span>
+                                <span class="ca_show_qr_close <?php
+                                if ( $this->qrcode_default ) {
+                                    echo " active";
+                                }
+                                ?>"><?php echo esc_attr( __( 'Close QR CODE', 'cryptapi' ) ); ?></span>
                             </a>
                         </div>
-                        <?php
-                        if ($this->show_branding) {
-                            ?>
+                        <?php
+                        if ( $this->show_branding ) {
+                            ?>
                             <div class="ca_branding">
                                 <a href="https://cryptapi.io/" target="_blank">
                                     <span>Powered by</span>
-                                    <img width="94" class="img-fluid" src="<?php echo CRYPTAPI_PLUGIN_URL . 'static/files/200_logo_ca.png' ?>" alt="Cryptapi Logo"/>
+                                    <img width="94" class="img-fluid" src="<?php echo esc_attr( CRYPTAPI_PLUGIN_URL . 'static/files/200_logo_ca.png' ) ?>" alt="Cryptapi Logo"/>
                                 </a>
                             </div>
-                            <?php
-                        }
-                        ?>
+                            <?php
+                        }
+                        ?>
                     </div>
-                    <?php
-                }
-                if ($total == 0) {
-                    ?>
+                    <?php
+                }
+                if ( $total == 0 ) {
+                    ?>
                     <style>
                         .ca_payment_confirmed {
@@ -1033 +1030 @@
                         }
                     </style>
-                    <?php
-                }
-                ?>
+                    <?php
+                }
+                ?>
                 <div class="ca_payment_processing" style="display: none;">
                     <div class="ca_payment_processing_icon">
                         <div class="ca_loader_payment_processing"></div>
                     </div>
-                    <h2><?php echo __('Your payment is being processed!', 'cryptapi'); ?></h2>
-                    <h5><?php echo __('Processing can take some time depending on the blockchain.', 'cryptapi'); ?></h5>
+                    <h2><?php echo esc_attr( __( 'Your payment is being processed!', 'cryptapi' ) ); ?></h2>
+                    <h5><?php echo esc_attr( __( 'Processing can take some time depending on the blockchain.', 'cryptapi' ) ); ?></h5>
                 </div>
 
@@ -1051 +1048 @@
                         </svg>
                     </div>
-                    <h2><?php echo __('Your payment has been confirmed!', 'cryptapi'); ?></h2>
+                    <h2><?php echo esc_attr( __( 'Your payment has been confirmed!', 'cryptapi' ) ); ?></h2>
                 </div>
 
@@ -1061 +1058 @@
                         </svg>
                     </div>
-                    <h2><?php echo __('Order has been cancelled due to lack of payment. Please don\'t send any payment to the address.', 'cryptapi'); ?></h2>
+                    <h2><?php echo esc_attr( __( 'Order has been cancelled due to lack of payment. Please don\'t send any payment to the address.', 'cryptapi' ) ); ?></h2>
                 </div>
                 <div class="ca_history" style="display: none;">
                     <table class="ca_history_fill">
                         <tr class="ca_history_header">
-                            <th><strong><?php echo __('Time', 'cryptapi'); ?></strong></th>
-                            <th><strong><?php echo __('Value Paid', 'cryptapi'); ?></strong></th>
-                            <th><strong><?php echo __('FIAT Value', 'cryptapi'); ?></strong></th>
+                            <th><strong><?php echo esc_attr( __( 'Time', 'cryptapi' ) ); ?></strong></th>
+                            <th><strong><?php echo esc_attr( __( 'Value Paid', 'cryptapi' ) ); ?></strong></th>
+                            <th><strong><?php echo esc_attr( __( 'FIAT Value', 'cryptapi' ) ); ?></strong></th>
                         </tr>
                     </table>
                 </div>
-                <?php
-                if ($total > 0) {
-                    ?>
+                <?php
+                if ( $total > 0 ) {
+                    ?>
                     <div class="ca_progress">
                         <div class="ca_progress_icon waiting_payment done">
@@ -1081 +1078 @@
                                       fill="#0B4B70"/>
                             </svg>
-                            <p><?php echo __('Waiting for payment', 'cryptapi'); ?></p>
+                            <p><?php echo esc_attr( __( 'Waiting for payment', 'cryptapi' ) ); ?></p>
                         </div>
                         <div class="ca_progress_icon waiting_network">
@@ -1088 +1085 @@
                                       fill="#0B4B70"/>
                             </svg>
-                            <p><?php echo __('Waiting for network confirmation', 'cryptapi'); ?></p>
+                            <p><?php echo esc_attr( __( 'Waiting for network confirmation', 'cryptapi' ) ); ?></p>
                         </div>
                         <div class="ca_progress_icon payment_done">
@@ -1095 +1092 @@
                                       fill="#0B4B70"/>
                             </svg>
-                            <p><?php echo __('Payment confirmed', 'cryptapi'); ?></p>
+                            <p><?php echo esc_attr( __( 'Payment confirmed', 'cryptapi' ) ); ?></p>
                         </div>
                     </div>
-                    <?php
-                }
-                ?>
+                    <?php
+                }
+                ?>
             </div>
         </div>
-        <?php
-    }
-
-    /**
-     *  Cronjob
-     */
-    function ca_cronjob()
-    {
-        $order_timeout = intval($this->order_cancelation_timeout);
-        $value_refresh = intval($this->refresh_value_interval);
-
-        if ($order_timeout === 0 && $value_refresh === 0) {
-            return;
-        }
-
-        $orders = wc_get_orders(array(
-            'status' => array('wc-on-hold'),
-            'payment_method' => 'cryptapi',
-        ));
-
-        if (empty($orders)) {
-            return;
-        }
-
-        $woocommerce_currency = get_woocommerce_currency();
-
-        foreach ($orders as $order) {
-            $last_price_update = $order->get_meta('cryptapi_last_price_update');
-
-            $history = json_decode($order->get_meta('cryptapi_history'), true);
-
-            $min_tx = floatval($order->get_meta('cryptapi_min'));
-
-            $calc = $this->calc_order($history, $order->get_meta('cryptapi_total'), $order->get_meta('cryptapi_total_fiat'));
-
-            $remaining = $calc['remaining'];
-            $remaining_pending = $calc['remaining_pending'];
-            $already_paid = $calc['already_paid'];
-
-            $order_timestamp = $order->get_date_created()->getTimestamp();
-
-            if ((int)$order->get_meta('cryptapi_cancelled') === 0 && ($order_timestamp + 86400) > time()) {
-                $this->validate_logs($order, $history);
-            }
-
-            if ($value_refresh !== 0 && ((int)$last_price_update + (int)$value_refresh < time()) && !empty($last_price_update)) {
-                if ($remaining === $remaining_pending && $remaining_pending > 0) {
-                    $cryptapi_coin = $order->get_meta('cryptapi_currency');
-
-                    $crypto_total = CryptAPI\Helper::sig_fig(CryptAPI\Helper::get_conversion($woocommerce_currency, $cryptapi_coin, $order->get_total('edit'), $this->disable_conversion), 6);
-                    $order->update_meta_data('cryptapi_total', $crypto_total);
-
-                    $calc_cron = $this->calc_order($history, $order->get_meta('cryptapi_total'), $order->get_meta('cryptapi_total_fiat'));
-                    $crypto_remaining_total = $calc_cron['remaining_pending'];
-
-                    if ($remaining_pending <= $min_tx && !$remaining_pending <= 0) {
-                        $qr_code_data_value = CryptAPI\Helper::get_static_qrcode($order->get_meta('cryptapi_address'), $cryptapi_coin, $min_tx, $this->qrcode_size);
-                    } else {
-                        $qr_code_data_value = CryptAPI\Helper::get_static_qrcode($order->get_meta('cryptapi_address'), $cryptapi_coin, $crypto_remaining_total, $this->qrcode_size);
-                    }
-
-                    $order->update_meta_data('cryptapi_qr_code_value', $qr_code_data_value['qr_code']);
-                }
-
-                $order->update_meta_data('cryptapi_last_price_update', time());
-                $order->save();
-            }
-
-            if ($order_timeout !== 0 && ($order_timestamp + $order_timeout) <= time() && $already_paid <= 0 && (int)$order->get_meta('cryptapi_cancelled') === 0) {
-                $order->update_status('cancelled', __('Order cancelled due to lack of payment.', 'cryptapi'));
-                $order->update_meta_data('cryptapi_cancelled', '1');
-                $order->save();
-            }
-        }
-    }
-
-    function calc_order($history, $total, $total_fiat)
-    {
-        $already_paid = 0;
-        $already_paid_fiat = 0;
-        $remaining = $total;
-        $remaining_pending = $total;
-        $remaining_fiat = $total_fiat;
-
-        if (!empty($history)) {
-            foreach ($history as $uuid => $item) {
-                if ((int)$item['pending'] === 0) {
-                    $remaining = bcsub(CryptAPI\Helper::sig_fig($remaining, 6), $item['value_paid'], 8);
-                }
-
-                $remaining_pending = bcsub(CryptAPI\Helper::sig_fig($remaining_pending, 6), $item['value_paid'], 8);
-                $remaining_fiat = bcsub(CryptAPI\Helper::sig_fig($remaining_fiat, 6), $item['value_paid_fiat'], 8);
-
-                $already_paid = bcadd(CryptAPI\Helper::sig_fig($already_paid, 6), $item['value_paid'], 8);
-                $already_paid_fiat = bcadd(CryptAPI\Helper::sig_fig($already_paid_fiat, 6), $item['value_paid_fiat'], 8);
-            }
-        }
-
-        return [
-            'already_paid' => floatval($already_paid),
-            'already_paid_fiat' => floatval($already_paid_fiat),
-            'remaining' => floatval($remaining),
-            'remaining_pending' => floatval($remaining_pending),
-            'remaining_fiat' => floatval($remaining_fiat)
-        ];
-    }
-
-    /**
-     * WooCommerce Subscriptions Integration
-     */
-    function scheduled_subscription_mail($amount, $renewal_order)
-    {
-
-        $order = $renewal_order;
-
-        $costumer_id = get_post_meta($order->get_id(), '_customer_user', true);
-        $customer = new WC_Customer($costumer_id);
-
-        if (empty($order->get_meta('cryptapi_paid'))) {
-            $mailer = WC()->mailer();
-
-            $recipient = $customer->get_email();
-
-            $subject = sprintf('[%s] %s', get_bloginfo('name'), __('Please renew your subscription', 'cryptapi'));
-            $headers = 'From: ' . get_bloginfo('name') . ' <' . get_option('admin_email') . '>' . '\r\n';
-
-            $content = wc_get_template_html('emails/renewal-email.php', array(
-                'order' => $order,
-                'email_heading' => get_bloginfo('name'),
-                'sent_to_admin' => false,
-                'plain_text' => false,
-                'email' => $mailer
-            ), plugin_dir_path(dirname(__FILE__)), plugin_dir_path(dirname(__FILE__)));
-
-            $mailer->send($recipient, $subject, $content, $headers);
-
-            $order->add_meta_data('cryptapi_paid', '1');
-            $order->save_meta_data();
-        }
-    }
-
-    private function generate_nonce($len = 32)
-    {
-        $data = str_split('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789');
-
-        $nonce = [];
-        for ($i = 0; $i < $len; $i++) {
-            $nonce[] = $data[mt_rand(0, sizeof($data) - 1)];
-        }
-
-        return implode('', $nonce);
-    }
-
-    public function generate_cryptocurrency_html($key, $data)
-    {
-        $field_key = $this->get_field_key($key);
-        $defaults = array(
-            'title' => '',
-            'disabled' => false,
-            'class' => '',
-            'css' => '',
-            'placeholder' => '',
-            'type' => 'text',
-            'desc_tip' => false,
-            'description' => '',
-            'custom_attributes' => array(),
-        );
-
-        $data = wp_parse_args($data, $defaults);
-
-        ob_start();
-
-        $token = str_replace('_address', '', $key);
-        $token_option = $this->get_option('coins');
-        if (!empty($token_option)) {
-            $token_search = array_search($token, $token_option);
-        }
-
-        if ($data['custom_attributes']['counter'] === 0) {
-            ?>
+        <?php
+    }
+
+    /**
+     *  Cronjob
+     */
+    function ca_cronjob() {
+        $order_timeout = intval( $this->order_cancelation_timeout );
+        $value_refresh = intval( $this->refresh_value_interval );
+
+        if ( $order_timeout === 0 && $value_refresh === 0 ) {
+            return;
+        }
+
+        $orders = wc_get_orders( array(
+            'status'         => array( 'wc-on-hold' ),
+            'payment_method' => 'cryptapi',
+        ) );
+
+        if ( empty( $orders ) ) {
+            return;
+        }
+
+        $woocommerce_currency = get_woocommerce_currency();
+
+        foreach ( $orders as $order ) {
+            $last_price_update = $order->get_meta( 'cryptapi_last_price_update' );
+
+            $history = json_decode( $order->get_meta( 'cryptapi_history' ), true );
+
+            $min_tx = floatval( $order->get_meta( 'cryptapi_min' ) );
+
+            $calc = $this->calc_order( $history, $order->get_meta( 'cryptapi_total' ), $order->get_meta( 'cryptapi_total_fiat' ) );
+
+            $remaining         = $calc['remaining'];
+            $remaining_pending = $calc['remaining_pending'];
+            $already_paid      = $calc['already_paid'];
+
+            $order_timestamp = $order->get_date_created()->getTimestamp();
+
+            if ( $value_refresh !== 0 && ( (int) $last_price_update + (int) $value_refresh < time() ) && ! empty( $last_price_update ) ) {
+                if ( $remaining === $remaining_pending && $remaining_pending > 0 ) {
+                    $cryptapi_coin = $order->get_meta( 'cryptapi_currency' );
+
+                    $crypto_total = CryptAPI\Helper::sig_fig( CryptAPI\Helper::get_conversion( $woocommerce_currency, $cryptapi_coin, $order->get_total( 'edit' ), $this->disable_conversion ), 6 );
+                    $order->update_meta_data( 'cryptapi_total', $crypto_total );
+
+                    $calc_cron              = $this->calc_order( $history, $order->get_meta( 'cryptapi_total' ), $order->get_meta( 'cryptapi_total_fiat' ) );
+                    $crypto_remaining_total = $calc_cron['remaining_pending'];
+
+                    if ( $remaining_pending <= $min_tx && ! $remaining_pending <= 0 ) {
+                        $qr_code_data_value = CryptAPI\Helper::get_static_qrcode( $order->get_meta( 'cryptapi_address' ), $cryptapi_coin, $min_tx, $this->qrcode_size );
+                    } else {
+                        $qr_code_data_value = CryptAPI\Helper::get_static_qrcode( $order->get_meta( 'cryptapi_address' ), $cryptapi_coin, $crypto_remaining_total, $this->qrcode_size );
+                    }
+
+                    $order->update_meta_data( 'cryptapi_qr_code_value', $qr_code_data_value['qr_code'] );
+                }
+
+                $order->update_meta_data( 'cryptapi_last_price_update', time() );
+                $order->save();
+            }
+
+            if ( $order_timeout !== 0 && ( $order_timestamp + $order_timeout ) <= time() && $already_paid <= 0 && (int) $order->get_meta( 'cryptapi_cancelled' ) === 0 ) {
+                $order->update_status( 'cancelled', __( 'Order cancelled due to lack of payment.', 'cryptapi' ) );
+                $order->update_meta_data( 'cryptapi_cancelled', '1' );
+                $order->save();
+            }
+        }
+    }
+
+    function calc_order( $history, $total, $total_fiat ) {
+        $already_paid      = 0;
+        $already_paid_fiat = 0;
+        $remaining         = $total;
+        $remaining_pending = $total;
+        $remaining_fiat    = $total_fiat;
+
+        if ( ! empty( $history ) ) {
+            foreach ( $history as $uuid => $item ) {
+                if ( (int) $item['pending'] === 0 ) {
+                    $remaining = bcsub( CryptAPI\Helper::sig_fig( $remaining, 6 ), $item['value_paid'], 8 );
+                }
+
+                $remaining_pending = bcsub( CryptAPI\Helper::sig_fig( $remaining_pending, 6 ), $item['value_paid'], 8 );
+                $remaining_fiat    = bcsub( CryptAPI\Helper::sig_fig( $remaining_fiat, 6 ), $item['value_paid_fiat'], 8 );
+
+                $already_paid      = bcadd( CryptAPI\Helper::sig_fig( $already_paid, 6 ), $item['value_paid'], 8 );
+                $already_paid_fiat = bcadd( CryptAPI\Helper::sig_fig( $already_paid_fiat, 6 ), $item['value_paid_fiat'], 8 );
+            }
+        }
+
+        return [
+            'already_paid'      => floatval( $already_paid ),
+            'already_paid_fiat' => floatval( $already_paid_fiat ),
+            'remaining'         => floatval( $remaining ),
+            'remaining_pending' => floatval( $remaining_pending ),
+            'remaining_fiat'    => floatval( $remaining_fiat )
+        ];
+    }
+
+    /**
+     * WooCommerce Subscriptions Integration
+     */
+    function scheduled_subscription_mail( $amount, $renewal_order ) {
+
+        $order = $renewal_order;
+
+        $costumer_id = get_post_meta( $order->get_id(), '_customer_user', true );
+        $customer    = new WC_Customer( $costumer_id );
+
+        if ( empty( $order->get_meta( 'cryptapi_paid' ) ) ) {
+            $mailer = WC()->mailer();
+
+            $recipient = $customer->get_email();
+
+            $subject = sprintf( '[%s] %s', get_bloginfo( 'name' ), __( 'Please renew your subscription', 'cryptapi' ) );
+            $headers = 'From: ' . get_bloginfo( 'name' ) . ' <' . get_option( 'admin_email' ) . '>' . '\r\n';
+
+            $content = wc_get_template_html( 'emails/renewal-email.php', array(
+                'order'         => $order,
+                'email_heading' => get_bloginfo( 'name' ),
+                'sent_to_admin' => false,
+                'plain_text'    => false,
+                'email'         => $mailer
+            ), plugin_dir_path( dirname( __FILE__ ) ), plugin_dir_path( dirname( __FILE__ ) ) );
+
+            $mailer->send( $recipient, $subject, $content, $headers );
+
+            $order->add_meta_data( 'cryptapi_paid', '1' );
+            $order->save_meta_data();
+        }
+    }
+
+    private function generate_nonce( $len = 32 ) {
+        $data = str_split( 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789' );
+
+        $nonce = [];
+        for ( $i = 0; $i < $len; $i ++ ) {
+            $nonce[] = $data[ mt_rand( 0, sizeof( $data ) - 1 ) ];
+        }
+
+        return implode( '', $nonce );
+    }
+
+    public function generate_cryptocurrency_html( $key, $data ) {
+        $field_key = $this->get_field_key( $key );
+        $defaults  = array(
+            'title'             => '',
+            'disabled'          => false,
+            'class'             => '',
+            'css'               => '',
+            'placeholder'       => '',
+            'type'              => 'text',
+            'desc_tip'          => false,
+            'description'       => '',
+            'custom_attributes' => array(),
+        );
+
+        $data = wp_parse_args( $data, $defaults );
+
+        ob_start();
+
+        $token        = str_replace( '_address', '', $key );
+        $token_option = $this->get_option( 'coins' );
+        if ( ! empty( $token_option ) ) {
+            $token_search = array_search( $token, $token_option );
+        }
+
+        if ( $data['custom_attributes']['counter'] === 0 ) {
+            ?>
             <tr valign="top">
                 <th scope="row" class="titledesc"></th>
-                <td class="forminp forminp-<?php echo esc_attr($data['type']) ?>">
+                <td class="forminp forminp-<?php echo esc_attr( $data['type'] ) ?>">
                     <p>
                         <strong>
-                            <?php echo __('Addresses', 'cryptapi'); ?>
+                            <?php echo esc_attr( __( 'Addresses', 'cryptapi' ) ); ?>
                         </strong><br/>
-                        <?php echo sprintf(__('If you are using BlockBee you can choose if setting the receiving addresses here bellow or in your BlockBee settings page. %1$s - In order to set the addresses on plugin settings, you need to select “Address Override” while creating the API key. %1$s - In order to set the addresses on BlockBee settings, you need to NOT select “Address Override” while creating the API key.', 'cryptapi'), '<br/>'); ?>
+                        <?php echo sprintf( esc_attr( __( 'If you are using BlockBee you can choose if setting the receiving addresses here bellow or in your BlockBee settings page. %1$s - In order to set the addresses on plugin settings, you need to select “Address Override” while creating the API key. %1$s - In order to set the addresses on BlockBee settings, you need to NOT select “Address Override” while creating the API key.', 'cryptapi' ) ), '<br/>' ); ?>
                     </p>
                 </td>
             </tr>
-            <?php
-        }
-        ?>
+            <?php
+        }
+        ?>
         <tr valign="top">
 
             <th scope="row" class="titledesc">
                 <input style="display: inline-block; margin-bottom: -4px;" type="checkbox"
-                       name="coins[]" id="<?php echo esc_attr('coins_' . $token); ?>"
-                       value="<?php echo str_replace('_address', '', $key); ?>"
-                    <?php if (!empty($token_option) && $this->get_option('coins')[$token_search] === $token) {
-                        echo 'checked="true" ';
-                    } ?> />
-                <label style="display: inline-block; width: 80%;" for="<?php echo esc_attr('coins_' . $token); ?>">
-                    <?php echo esc_html($data['title']); ?>
-                    <span class="woocommerce-help-tip" data-tip="<?php echo esc_html($data['description']); ?>"></span>
+                       name="coins[]" id="<?php echo esc_attr( 'coins_' . $token ); ?>"
+                       value="<?php echo str_replace( '_address', '', $key ); ?>"
+                    <?php if ( ! empty( $token_option ) && $this->get_option( 'coins' )[ $token_search ] === $token ) {
+                        echo 'checked="true" ';
+                    } ?> />
+                <label style="display: inline-block; width: 80%;" for="<?php echo esc_attr( 'coins_' . $token ); ?>">
+                    <?php echo esc_html( $data['title'] ); ?>
+                    <span class="woocommerce-help-tip" data-tip="<?php echo esc_html( $data['description'] ); ?>"></span>
                 </label>
             </th>
-            <td class="forminp forminp-<?php echo esc_attr($data['type']) ?>">
-                <input class="input-text regular-input <?php echo esc_attr($data['class']); ?>" type="text" name="<?php echo esc_attr($field_key); ?>"
-                       id="<?php echo esc_attr($field_key); ?>" style="<?php echo esc_attr($data['css']); ?>"
-                       value="<?php echo $this->get_option($key); ?>"
-                       placeholder="<?php echo esc_attr($data['placeholder']); ?>" <?php disabled($data['disabled'], true); ?> <?php echo $this->get_custom_attribute_html($data); // WPCS: XSS ok.
-                ?> />
+            <td class="forminp forminp-<?php echo esc_attr( $data['type'] ) ?>">
+                <input class="input-text regular-input <?php echo esc_attr( $data['class'] ); ?>" type="text" name="<?php echo esc_attr( $field_key ); ?>"
+                       id="<?php echo esc_attr( $field_key ); ?>" style="<?php echo esc_attr( $data['css'] ); ?>"
+                       value="<?php echo $this->get_option( $key ); ?>"
+                       placeholder="<?php echo esc_attr( $data['placeholder'] ); ?>" <?php disabled( $data['disabled'], true ); ?> <?php echo $this->get_custom_attribute_html( $data ); // WPCS: XSS ok.
+                ?> />
             </td>
         </tr>
 
-        <?php
-        return ob_get_clean();
-    }
-
-    function handling_fee()
-    {
-        if (is_admin() && !defined('DOING_AJAX')) {
-            return;
-        }
-
-        $chosen_payment_id = WC()->session->get('chosen_payment_method');
-
-        if ($chosen_payment_id != 'cryptapi') {
-            return;
-        }
-
-        $total_fee = $this->get_option('fee_order_percentage') == 'none' ? 0 : $this->get_option('fee_order_percentage');
-
-        $fee_order = WC()->cart->subtotal * $total_fee;
-
-        if ($total_fee !== 'none' || $this->add_blockchain_fee) {
-
-            $selected = WC()->session->get('cryptapi_coin');
-
-            if ($selected === 'none') {
-                return;
-            }
-
-            if (!empty($selected) && $selected != 'none' && $this->add_blockchain_fee) {
-                $est = CryptAPI\Helper::get_estimate($selected);
-
-                $fee_order += (float)$est->{get_woocommerce_currency()};
-            }
-
-            if (empty($fee_order)) {
-                return;
-            }
-
-            WC()->cart->add_fee(__('Service Fee', 'cryptapi'), $fee_order, true);
-        }
-    }
-
-    function refresh_checkout()
-    {
-        if (WC_CryptAPI_Gateway::$HAS_TRIGGERED) {
-            return;
-        }
-        WC_CryptAPI_Gateway::$HAS_TRIGGERED = true;
-        if (is_checkout()) {
-            wp_register_script('cryptapi-checkout', '');
-            wp_enqueue_script('cryptapi-checkout');
-            wp_add_inline_script('cryptapi-checkout', "jQuery(function ($) { $('form.checkout').on('change', 'input[name=payment_method], #payment_cryptapi_coin', function () { $(document.body).trigger('update_checkout');});});");
-        }
-    }
-
-    function chosen_currency_value_to_wc_session($posted_data)
-    {
-        parse_str($posted_data, $fields);
-
-        if (isset($fields['cryptapi_coin'])) {
-            WC()->session->set('cryptapi_coin', $fields['cryptapi_coin']);
-        }
-    }
-
-    public function process_admin_options()
-    {
-        parent::update_option('coins', $_POST['coins']);
-        parent::process_admin_options();
-    }
-
-    function add_email_link($order, $sent_to_admin, $plain_text, $email)
-    {
-        if (WC_CryptAPI_Gateway::$HAS_TRIGGERED) {
-            return;
-        }
-
-        if ($email->id == 'customer_on_hold_order') {
-            WC_CryptAPI_Gateway::$HAS_TRIGGERED = true;
-            echo '<a style="display:block;text-align:center;margin: 40px auto; font-size: 16px; font-weight: bold;" href="' . $this->get_return_url($order) . '" target="_blank">' . __('Check your payment status', 'cryptapi') . '</a>';
-        }
-    }
-
-    function add_order_link($actions, $order)
-    {
-        if ($order->has_status('on-hold')) {
-            $action_slug = 'ca_payment_url';
-
-            $actions[$action_slug] = array(
-                'url' => $this->get_return_url($order),
-                'name' => __('Pay', 'cryptapi'),
-            );
-        }
-        return $actions;
-    }
-
-    function get_private_order_notes($order_id)
-    {
-        global $wpdb;
-
-        $table_perfixed = $wpdb->prefix . 'comments';
-        $results = $wpdb->get_results("
+        <?php
+        return ob_get_clean();
+    }
+
+    function handling_fee() {
+        if ( is_admin() && ! defined( 'DOING_AJAX' ) ) {
+            return;
+        }
+
+        $chosen_payment_id = WC()->session->get( 'chosen_payment_method' );
+
+        if ( $chosen_payment_id != 'cryptapi' ) {
+            return;
+        }
+
+        $total_fee = $this->get_option( 'fee_order_percentage' ) == 'none' ? 0 : $this->get_option( 'fee_order_percentage' );
+
+        $fee_order = WC()->cart->subtotal * $total_fee;
+
+        if ( $total_fee !== 'none' || $this->add_blockchain_fee ) {
+
+            $selected = WC()->session->get( 'cryptapi_coin' );
+
+            if ( $selected === 'none' ) {
+                return;
+            }
+
+            if ( ! empty( $selected ) && $selected != 'none' && $this->add_blockchain_fee ) {
+                $est = CryptAPI\Helper::get_estimate( $selected );
+
+                $fee_order += (float) $est->{get_woocommerce_currency()};
+            }
+
+            if ( empty( $fee_order ) ) {
+                return;
+            }
+
+            WC()->cart->add_fee( __( 'Service Fee', 'cryptapi' ), $fee_order, true );
+        }
+    }
+
+    function refresh_checkout() {
+        if ( WC_CryptAPI_Gateway::$HAS_TRIGGERED ) {
+            return;
+        }
+        WC_CryptAPI_Gateway::$HAS_TRIGGERED = true;
+        if ( is_checkout() ) {
+            wp_register_script( 'cryptapi-checkout', '' );
+            wp_enqueue_script( 'cryptapi-checkout' );
+            wp_add_inline_script( 'cryptapi-checkout', "jQuery(function ($) { $('form.checkout').on('change', 'input[name=payment_method], #payment_cryptapi_coin', function () { $(document.body).trigger('update_checkout');});});" );
+        }
+    }
+
+    function chosen_currency_value_to_wc_session( $posted_data ) {
+        parse_str( $posted_data, $fields );
+
+        if ( isset( $fields['cryptapi_coin'] ) ) {
+            WC()->session->set( 'cryptapi_coin', $fields['cryptapi_coin'] );
+        }
+    }
+
+    public function process_admin_options() {
+        parent::update_option( 'coins', $_POST['coins'] );
+        parent::process_admin_options();
+    }
+
+    function add_email_link( $order, $sent_to_admin, $plain_text, $email ) {
+        if ( WC_CryptAPI_Gateway::$HAS_TRIGGERED ) {
+            return;
+        }
+
+        if ( $email->id == 'customer_on_hold_order' ) {
+            WC_CryptAPI_Gateway::$HAS_TRIGGERED = true;
+            echo '<a style="display:block;text-align:center;margin: 40px auto; font-size: 16px; font-weight: bold;" href="' . esc_url( $this->get_return_url( $order ) ) . '" target="_blank">' . __( 'Check your payment status', 'cryptapi' ) . '</a>';
+        }
+    }
+
+    function add_order_link( $actions, $order ) {
+        if ( $order->has_status( 'on-hold' ) ) {
+            $action_slug = 'ca_payment_url';
+
+            $actions[ $action_slug ] = array(
+                'url'  => $this->get_return_url( $order ),
+                'name' => __( 'Pay', 'cryptapi' ),
+            );
+        }
+
+        return $actions;
+    }
+
+    function get_private_order_notes( $order_id ) {
+        global $wpdb;
+
+        $table_perfixed = $wpdb->prefix . 'comments';
+        $results        = $wpdb->get_results( "
         SELECT *
         FROM $table_perfixed
         WHERE  `comment_post_ID` = $order_id
         AND  `comment_type` LIKE  'order_note'
-    ");
-
-        foreach ($results as $note) {
-            $order_note[] = array(
-                'note_id' => $note->comment_ID,
-                'note_date' => $note->comment_date,
-                'note_author' => $note->comment_author,
-                'note_content' => $note->comment_content,
-            );
+    " );
+
+        foreach ( $results as $note ) {
+            $order_note[] = array(
+                'note_id'      => $note->comment_ID,
+                'note_date'    => $note->comment_date,
+                'note_author'  => $note->comment_author,
+                'note_content' => $note->comment_content,
+            );
+        }
+
+        return $order_note;
+    }
+
+    function order_detail_validate_logs($order) {
+        if ( WC_CryptAPI_Gateway::$HAS_TRIGGERED ) {
+            return;
+        }
+
+        if($order->is_paid()) {
+            return;
         }
-        return $order_note;
-    }
+
+        $ajax_url = add_query_arg( array(
+            'action' => 'cryptapi_validate_logs',
+            'order_id' => $order->get_ID(),
+        ), home_url( '/wp-admin/admin-ajax.php' ) );
+        ?>
+       <p class="form-field form-field-wide wc-customer-user">
+           <small style="display: block;">
+               <?php echo sprintf(esc_attr( __( 'If the order is not being updated, your ISP is probably blocking our IPs (%1$s and %2$s): please try to get them whitelisted and feel free to contact us anytime to get support (link to our contact page). In the meantime you can refresh the status of any payment by clicking this button below:', 'cryptapi' ) ), '145.239.119.223', '135.125.112.47'); ?>
+           </small>
+       </p>
+        <a style="margin-top: 1rem;margin-bottom: 1rem;" id="validate_callbacks" class="button action" href="#">
+            <?php echo esc_attr( __( 'Check for Callbacks', 'cryptapi' ) ); ?>
+        </a>
+        <script>
+            jQuery(function () {
+                const validate_button = jQuery('#validate_callbacks');
+
+                validate_button.on('click', function (e) {
+                    e.preventDefault();
+                    validate_callbacks();
+                    validate_button.html('<?php echo esc_attr( __( 'Checking', 'cryptapi' ) );?>');
+                })
+
+                function validate_callbacks() {
+                    jQuery.getJSON('<?php echo $ajax_url?>').always(function () {
+                        window.location.reload();
+                    })
+                }
+            })
+        </script>
+        <?php
+        WC_CryptAPI_Gateway::$HAS_TRIGGERED = true;
+    }
 }

cryptapi-payment-gateway-for-woocommerce/trunk/define.php

@@ -1 +1 @@
 <?php
 
-define('CRYPTAPI_PLUGIN_VERSION', '4.6.4');
+define('CRYPTAPI_PLUGIN_VERSION', '4.6.5');
 define('CRYPTAPI_PLUGIN_PATH', plugin_dir_path(__FILE__));
 define('CRYPTAPI_PLUGIN_URL', plugin_dir_url(__FILE__));

cryptapi-payment-gateway-for-woocommerce/trunk/readme.txt

@@ -4 +4 @@
 Requires at least: 5
 Tested up to: 6.0.2
-Stable tag: 4.6.4
+Stable tag: 4.6.5
 Requires PHP: 7.2
 WC requires at least: 5.8
@@ -296 +296 @@
 * Minor fixes
 
+= 4.6.5 =
+* Added option to check for failed callbacks
+* Minor fixes
+
 == Upgrade Notice ==