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

<?php
namespace refill\pushang;

require_once(BASE_HELPER_RAPI_PATH . '/pushang/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)
    {
        $content = $params['extOrderId'] . $params['orderId'] . $params['state'] . config::KEY;
        return md5($content);
    }

    public function notify($params)
    {
        $status = intval($params['state']);
        $order_sn = $params['extOrderId'];
        $order_info = Model('vr_order')->getOrderInfo(['order_sn' => $order_sn]);
        if (empty($order_info)) {
            return [false, false, false,false];
        }

        $order_id = $order_info['order_id'];
        if ($status === 4) {
            Model('refill_order')->edit($order_id, ['official_sn' => $params['exchangeTraded'], 'ch_trade_no' => $params['orderId']]);
            return [$order_id, true, false, true];
        } elseif ($status === 5) {
            return [$order_id, false, true, true];
        } else {
            return [$order_id, false, false, false];
        }
    }
}