异次元EPUSDT回调代码

<?php
declare(strict_types=1);

namespace App\Pay\Epusdt\Impl;

use Kernel\Util\Context;
/**

• Class Signature
• @package App\Pay\Kvmpay\Impl
  */
  class Signature implements \App\Pay\Signature
  { /**
  • 生成签名
  • @param array $data
  • @param string $key
  • @return string
    */
    public static function generateSignature(array $data, string $key): string
    {
    ksort($data);
    $sign = '';
    foreach ($data as $k => $v) {
    if ($v == '') continue;
    $sign .= $k . '=' . $v . '&';
    }
    $sign = trim($sign, '&');
    return md5($sign . $key);
    }
  /**
  • @inheritDoc
    */
    public function verification(array $data, array $config): bool
    {
    $data = json_decode(file_get_contents('php://input'),true);
    $sign = $data['signature'];
    unset($data['signature']);
    $generateSignature = self::generateSignature($data, $config['key']);
    Context::set(\App\Consts\Pay::DAFA, $data);
    if ($sign != $generateSignature) {
    return false;
    }
    return true;
    }
    }