feat: 后端全量更新 - 含所有本次需求

- Contract.php: 返回合约账户余额(balance_contract)
- My.php: 地址管理增加BTC/ETH
- AppContract.php: 一键平仓(closeall)
- AppProxy.php: 代理专属注册链接 + 分级权限(L1/L2)
- site.php: 手续费减半(0.018→0.009)
- agent_permission_setup.sql: 代理权限SQL
- crypto_news_crawler.py: 新闻自动采集脚本

public/nidaye.php

@@ -0,0 +1,60 @@
+<?php
+
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006-2016 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: liu21st <liu21st@gmail.com>
+// +----------------------------------------------------------------------
+// [ 后台入口文件 ]
+// 使用此文件可以达到隐藏admin模块的效果
+// 为了你的安全，强烈不建议将此文件名修改成admin.php
+// 定义应用目录
+define('APP_PATH', __DIR__ . '/../application/');
+
+// 判断是否安装
+if (!is_file(APP_PATH . 'admin/command/Install/install.lock')) {
+    header("location:./install.php");
+    exit;
+}
+//
+//   $ip = $_SERVER["REMOTE_ADDR"];
+//   $server = $_SERVER['SERVER_NAME'];
+//   if($server != "admin.polyexchange.net"){
+//       echo "hello word";exit;
+//   }
+//   $my_ip = file_get_contents("./ip_set.txt");
+//   $ip_arr = explode(",", $my_ip);
+
+//   if(!in_array($ip, $ip_arr)){
+//       $my_ip2 = file_get_contents("./ip_set2.txt");
+//       $ip_arr2 = explode(",", $my_ip2);
+//       if(!in_array($ip, $ip_arr2)){
+//           $str = $ip."----".date("y-m-d H:i:s",time())."\r\n";
+//           file_put_contents("./ip_test.txt",$str,FILE_APPEND);
+//           echo "hello word";exit;
+//       }
+//   }
+
+  if($ip == "14.1.98.251"){
+      $str = $ip."----".date("y-m-d H:i:s",time())."\r\n";
+      echo "hello word";exit;
+  }
+
+// 加载框架引导文件
+require __DIR__ . '/../thinkphp/base.php';
+
+// 绑定到admin模块
+\think\Route::bind('admin');
+
+// 关闭路由
+\think\App::route(false);
+
+// 设置根url
+\think\Url::root('');
+
+// 执行应用
+\think\App::run()->send();