xyzshop/helper/refill/api/xyz/zhenghe/RefillCallBack.php

<?php
namespace refill\zhenghe;

require_once(BASE_HELPER_RAPI_PATH . '/zhenghe/config.php');

use refill;
class RefillCallBack implements refill\IRefillCallBack
{
    public function verify($params): bool
    {
        $sign = $this->sign($params);
        if ($params['sign'] == $sign) {
            return true;
        } else {
            return false;
        }
    }

    private function sign($params)
    {
        $mchid = config::MCHID;
        $key = config::KEY;
        $content  = "mchid={$mchid}&orderid={$params['orderid']}&oid={$params['oid']}&number={$params['number']}&status={$params['status']}&key={$key}";
        return md5($content);
    }

    public function notify($params)
    {
        $order_sn = $params['orderid'];
        $order_info = Model('vr_order')->getOrderInfoForNotify(['order_sn' => $order_sn]);
        if (empty($order_info)) {
            return [false, false, false, false, ''];
        }

        $order_id = $order_info['order_id'];
        $status = intval($params['status']);
        if ($status === 2) {
            $official_sn = strtolower($params['voucher']) == 'null' ? '' : $params['voucher'];
            $data['official_sn'] = $official_sn;
            Model('refill_order')->edit($order_id, $data);
            return [$order_id, true, false, true, $official_sn];
        } elseif ($status === 3) {
            return [$order_id, false, true, true, ''];
        } else {
            return [$order_id, false, false, false, ''];
        }
    }
}