88 lines
2.6 KiB
PHP
88 lines
2.6 KiB
PHP
<?php
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/**
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* Created by PhpStorm.
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* User: kongqi
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* Date: 2019/4/21
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* Time: 6:13
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*/
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namespace App\ServicePay\Usdtpay;
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class Usdtpay
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{
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protected $token;//token
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protected $mch_id;//商户号
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protected $config;
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static public $instance;//声明一个静态变量（保存在类中唯一的一个实例）
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private function __construct($config)
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{
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$this->token = $config['token'];
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$this->mch_id = $config['mch_id'];
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$this->config = $config;
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}
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public static function make($config)
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{
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if (!self::$instance) self::$instance = new self($config);
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return self::$instance;
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}
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public function makeSign($request, $salt = '')
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{
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$signStr = $request['pickupUrl'];
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$signStr .= $request['receiveUrl'];
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$signStr .= $request['signType'];
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$signStr .= $request['orderNo'];
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$signStr .= $request['orderAmount'];
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$signStr .= $request['orderCurrency'];
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$signStr .= $request['customerId'];
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$signStr .= $salt;
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return strtolower(md5($signStr));
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}
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public function notifySign($request, $salt = '')
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{
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$signStr = $request['signType'];
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$signStr .= $request['orderNo'];
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$signStr .= $request['orderAmount'];
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$signStr .= $request['orderCurrency'];
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$signStr .= $request['transactionId'];
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$signStr .= $request['status'];
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$signStr .= $request['token'];
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$signStr .= $salt;
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return md5($signStr);
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}
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public function orderBuy($pay_data)
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{
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$request = [
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'orderNo' => $pay_data['orderNo'], //商户订单号，最大长度60个字符
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'customerId' => $pay_data['customerId'], //客户交易者账号
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'orderCurrency' => $pay_data['orderCurrency'], //订单币种，固定值：USDT或CNY
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'orderAmount' => $pay_data['orderAmount'], //订单金额，USDT单位为个，CNY单位为元
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'receiveUrl' => $this->config['notify_url'], // 通知回调地址
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'pickupUrl' => $this->config['return_url'] . '?orderNo=' . $pay_data['orderNo'], // 交易完成后跳转URL
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'signType' => 'MD5', //固定值不要改
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];
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$sign = $this->makeSign($request, $this->token); //签名
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$request['sign'] = $sign;
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$url = $this->config['url'] . '?' . http_build_query($request); //访问链接
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return ['redirect_url' => $url];
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}
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public function checkSign($para)
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{
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$para['token'] = $this->token;
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$sign = $this->notifySign($para);
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if ($sign === $para['sign']) {
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return true;
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}
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return false;
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}
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} |