<?php
/**
 *
 * @author: xaboy<365615158@qq.com>
 * @day: 2017/11/23
 */

namespace crmeb\services;


class HuobiService
{
    const API_URL = 'https://sapi.ztpay.org/api/v2';//接口地址

    private static $app_id = '84cef8cf-ghxertfvbf-13a8a0ca-997b0';
    private static $app_secret = '739a0682-163aad52-b6c3ad63-40431';

    /**
     * 实例化
     * @return HuobiService
     */
    public static function instance()
    {
        $instance = new self();
        $instance::$app_id = sys_config('huobi_Access_Key', '');
        $instance::$app_secret = sys_config('huobi_Secret_Key', '');
        return $instance;
    }

    /**
     * 获取签名
     * @param $data
     * @return string
     */
    private static function getSign($data)
    {
        $signPars = "";
        ksort($data);
        foreach ($data as $k => $v) {
            if ("sign" != $k && "" != $v && $v != "0") {
                $signPars .= $k . "=" . $v . "&";
            }
        }
        $signPars .= "key=" . self::$app_secret;
        return strtoupper(md5($signPars));
    }

    /**
     * 通用请求
     * @param $data
     * @return bool|false|string
     */
    private static function request($data)
    {
        $data['sign'] = self::getSign($data);
        return json_decode(do_request(self::API_URL, $data), true);
    }

}