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thirdweb.php
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<?php
/**
* Plugin Name: thirdweb WP
* Plugin URI: https://github.com/warengonzaga/thirdweb-wp
* Description: A community WordPress plugin for thirdweb. Turn your WordPress website into Web3 instantly and easily with thirdweb powered by thirdweb Engine.
* Version: 0.0.2
* Requires at least: 5.2
* Requires PHP: 7.4
* Author: Waren Gonzaga
* Author URI: https://warengonzaga.com/
* License: GPL v3
* License URI: https://www.gnu.org/licenses/gpl-3.0.html
* Text Domain: thirdweb-wp
* Domain Path: /languages
*/
/**
* thirdweb WP
*/
// prevent direct access
defined( 'ABSPATH' ) or die( 'Restricted Access!' );
/**
* The [contract] shortcode.
*
* Read smart contract function using shortcode.
*
* @param array $atts Shortcode attributes. Default empty.
* @param string $content Shortcode content. Default null.
* @param string $tag Shortcode tag (name). Default empty.
* @return string Shortcode output.
*/
function thirdweb_contract_read( $atts = [], $content = null, $tag = '') {
// normalize attribute keys, lowercase
$atts = array_change_key_case( (array) $atts, CASE_LOWER );
// override default attributes with user attributes
$twcontractread_atts = shortcode_atts(
array(
'address' => get_option('default_contract_address', '0x26959366660AC1273C446bc884B3059fAeF5fD94'),
'chain' => get_option('default_chain', '84531'),
'function' => 'name',
), $atts, $tag
);
// Split function attribute into function name and arguments
$function_parts = explode(':', $twcontractread_atts['function']);
$function_name = $function_parts[0];
$function_args = isset($function_parts[1]) ? explode(',', $function_parts[1]) : array();
// Call the REST API
$engine_api_endpoint = get_option('engine_api_endpoint');
if (empty($engine_api_endpoint)) {
return '<span style="color:red;">Error: No engine API endpoint found. Please set the engine API endpoint in the plugin settings.</span>';
}
// Build endpoint URL with function name and arguments
// Add trailing slash if not present
if (substr($engine_api_endpoint, -1) !== '/') {
$engine_api_endpoint .= '/';
}
// Build the URL
$url = $engine_api_endpoint . 'contract/' . $twcontractread_atts['chain'] . '/' . $twcontractread_atts['address'] . '/read?functionName=' . $function_name;
// Add function arguments to the URL if they exist
if (!empty($function_args)) {
$url .= '&args=' . implode(',', $function_args);
}
// Add access token to the request
$engine_access_token = get_option('engine_access_token');
if (empty($engine_access_token)) {
return '<span style="color:red;">Error: No engine access token found. Please set the engine access token in the plugin settings.</span>';
}
$args = array(
'headers' => array(
'Authorization' => 'Bearer ' . $engine_access_token,
'Content-Type' => 'application/json'
)
);
$response = wp_remote_get( $url, $args );
$result = '';
if (is_wp_error($response)) {
$error_message = $response->get_error_message();
echo "<script>console.error('Error: " . esc_js($error_message) . "');</script>";
} else {
if ( is_array( $response ) && ! is_wp_error( $response ) ) {
$body = $response['body'];
$data = json_decode( $body );
if (isset($data->result)) {
$result = '<span>' . esc_html( $data->result ) . '</span>';
} else {
$result = '<span style="color:red;">Error: No result found in the response.</span>';
}
}
}
// return output
return $result;
}
/**
* Settings page for the plugin.
*/
function thirdweb_admin_menu() {
add_options_page(
'thirdweb WP Settings', // page title
'thirdweb WP', // page title
'manage_options', // capability
'thirdweb-wp', // slug
'thirdweb_wp_options' // callback
);
}
function thirdweb_wp_settings() {
register_setting('thirdweb-wp-settings-group', 'engine_api_endpoint');
register_setting('thirdweb-wp-settings-group', 'engine_access_token');
register_setting('thirdweb-wp-settings-group', 'default_contract_address');
register_setting('thirdweb-wp-settings-group', 'default_chain');
}
function thirdweb_wp_options() {
if (!current_user_can('manage_options')) {
wp_die(__('You do not have sufficient permissions to access this page.'));
}
?>
<div class="wrap">
<h2 style="display: flex; align-items: center;font-weight: bold">
<img src="<?php echo esc_url( plugins_url('assets/thirdweb.png', __FILE__) ); ?>" alt="thirdweb Logo" style="vertical-align: middle; margin-right: 10px; width: auto; height: 24px;">
thirdweb WP<span style="font-size: 12px; margin-left: 5px; font-weight: normal">Community Edition</span>
</h2>
<form method="post" action="options.php">
<?php settings_fields('thirdweb-wp-settings-group'); ?>
<?php do_settings_sections('thirdweb-wp-settings-group'); ?>
<table class="form-table">
<tr valign="top">
<th scope="row">Engine URL</th>
<td>
<input type="text" name="engine_api_endpoint" placeholder="Your Engine URL" value="<?php echo esc_attr(get_option('engine_api_endpoint')); ?>"/>
<p style="font-size: 10px; margin-top: 5px;"><i>Note: Please always double check your API URL.</i></p>
</td>
</tr>
<tr valign="top">
<th scope="row">Access Token</th>
<td>
<input type="text" name="engine_access_token" placeholder="Your Access Token" value="<?php echo esc_attr(get_option('engine_access_token')); ?>"/>
<p style="font-size: 10px; margin-top: 5px;"><i>Get your access token from your <a href="https://thirdweb.com/dashboard/engine">Engine dashboard</a>.</i></p>
</td>
</tr>
<tr valign="top">
<th scope="row">Default Contract Address</th>
<td>
<input type="text" name="default_contract_address" placeholder="0x26959366660AC1273C446bc884B3059fAeF5fD94" value="<?php echo esc_attr(get_option('default_contract_address')); ?>"/>
<p style="font-size: 10px; margin-top: 5px;"><i>Get your contract address from your <a href="https://thirdweb.com/dashboard/">dashboard</a>.</i></p>
</td>
</tr>
<tr valign="top">
<th scope="row">Default Chain</th>
<td>
<input type="text" name="default_chain" placeholder="84531" value="<?php echo esc_attr(get_option('default_chain')); ?>"/>
<p style="font-size: 10px; margin-top: 5px;"><i>Get your chain ID or chain name from <a href="https://thirdweb.com/chainlist/">here</a>.</i></p>
</td>
</tr>
</table>
<?php submit_button(); ?>
</form>
<hr/>
<p>Need help? <a href="https://github.com/warengonzaga/thirdweb-wp?tab=readme-ov-file#%EF%B8%8F-usage">Read the documentation</a>.</p>
<p>Found a bug? <a href="https://github.com/warengonzaga/thirdweb-wp">Let us know.</a></p>
<p>Contribute to the plugin's development on <a href="https://github.com/warengonzaga/thirdweb-wp">GitHub repository</a>.</p>
</div>
<?php
}
/**
* Central location to create all shortcodes.
*/
function thirdweb_shortcodes_init() {
add_shortcode( 'twcontractread', 'thirdweb_contract_read' ); // [twcontractread address="" chain="" function="tokenURI:0"]
}
add_action( 'init', 'thirdweb_shortcodes_init' );
add_action( 'admin_menu', 'thirdweb_admin_menu' );
add_action( 'admin_init', 'thirdweb_wp_settings' );