wikimedia/mediawiki-extensions-DonationInterface

<?php

/**
 * Exception indicating an error processing an API response from the payment
 * processor
 */
class ResponseProcessingException extends Exception {
    /**
     * @var array If the transaction suffered a recoverable error, this will
     *      be an array of all variables that need to be recreated and restaged.
     */
    protected $retryVars;
    /**
     * @var string A code identifying the specific error encountered
     */
    protected $errorCode;

    /**
     * @param string $message
     * @param string|int $errorCode
     * @param array $retryVars
     */
    public function __construct( $message, $errorCode, $retryVars = [] ) {
        parent::__construct( $message );
        $this->errorCode = (string)$errorCode;
        $this->retryVars = $retryVars;
    }

    public function getRetryVars() {
        return $this->retryVars;
    }

    public function getErrorCode() {
        return $this->errorCode;
    }
}