<?php
namespace pay;

use think\Cache;
use \think\Controller;
use think\Db;

class Usdt{
    public function __construct()
    {
        $this->getConfig();
    }

    /**
     * 获取配置信息
     */
    private function getConfig()
    {
        // 域名
        $this->domain = "https://ubcagent.rosettawe.com";
        // 参数配置
        $config = Db::name('pay_channel')->where('key','USDT')->value('value');
        $config = json_decode($config,true);
        $this->merchAddr = $config['merch_addr'];
        $this->merchType = $config['merch_type'];
        $this->accessToken = $config['access_token'];
    }

    /**
     * 新用户生成钱包
     */
    public function newUserWallet()
    {
        $key = '/usr/newUserWallet';
        $requestUrl = $this->domain . $key;
        $requestUrl .= '?'. $this->dataGet($key);
        $result = null;//httpGet($requestUrl); // 临时屏蔽 2023-09-16
        return $result;
    }

    /**
     * 用户提现
     */
    public function applyUserWithdraw($orderNo,$toAddress,$amount)
    {
        $key = '/usr/applyUserWithdraw';
        $requestUrl = $this->domain . $key;

        $data = [
            'uuid' => $orderNo,
            'user_addr' => $this->merchAddr,
            'to_addr' => $toAddress,
            'asset' => 'USDT',
            'amount' => $amount,
            'try_count' => '5',
        ];
        $requestUrl .= '?'. $this->dataGet($key,$data);

        $result = httpGet($requestUrl);
        return $result;
    }

    /**
     * get请求参数设置
     * @param $key
     * @param array $data
     * @return string
     */
    private function dataGet($key,$data=[])
    {
        $time = time();
        $str = "key=".$key;
        $str .= "&merch_addr=".$this->merchAddr;
        $str .= "&merch_type=".$this->merchType;
        $str .= '&timestamp='.$time."&";
        foreach($data as $k => $v){
            $str .= $k ."=" . $v . "&";
        }
        $str .= "sign=".$this->getSign($key,$time);

        return $str;
    }

    /**
     * 签名
     * @param $data
     * @return string
     */
    private function getSign($key,$timestamp)
    {
        $signData = "key=".urlencode($key);
        $signData .= "&merch_addr=".$this->merchAddr;
        $signData .= "&merch_type=".$this->merchType;
        $signData .= "&timestamp=".$timestamp;
        $signData .= "&access_token=".$this->accessToken;
        $sign = sha1($signData);
        return $sign;
    }
}