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/GoJS-master/learn/kod/plugins/toolsCommon/app.php

@@ -0,0 +1,71 @@
+<?php
+
+/**
+ * 隐藏插件，默认开启
+ */
+class toolsCommonPlugin extends PluginBase{
+	function __construct(){
+		parent::__construct();
+	}
+	public function regiest(){
+		$this->hookRegiest(array(
+			'user.commonJs.insert'	=> 'toolsCommonPlugin.echoJs'
+		));
+	}
+	public function echoJs($st,$act){
+		$this->systemBackup();
+		$this->echoFile('static/main.js');
+	}
+	public function systemBackup(){
+		$system = DATA_PATH.'system/';
+		$bakcupLast = $system.'backup/last/';
+		$backupLastDay = $system.'backup/day/'.date('Ymd',time()).'/';
+		
+		//每N天备份一次;首次备份当天
+		$backupRepeat = 5;
+		$day = intval(date('d',time()));
+		if( !@file_exists($bakcupLast) ||
+			(!@file_exists($backupLastDay) && $day % $backupRepeat == 0)
+			){
+			mk_dir($backupLastDay);
+			$this->backupTo($backupLastDay);
+		}
+
+		//每天覆盖备份一次
+		if(!@file_exists($bakcupLast)){
+			mk_dir($bakcupLast);
+			$this->backupTo($bakcupLast);
+		}
+		$lastTime = @filemtime($bakcupLast.'/system_member.php');
+		if(time() - $lastTime > 60*60*24){
+			$this->backupTo($bakcupLast);
+		}
+	}
+	private function backupTo($folder){
+		$system = DATA_PATH.'system/';
+		$backFile = array(
+			'apps.php',
+			'system_group.php',
+			'system_member.php',
+			'system_role.php',
+			'system_role_group.php',
+			'system_setting.php',
+			'desktop_app.php'
+		);
+		foreach ($backFile as $file) {
+			if(file_exists($folder.$file)){
+				@unlink($folder.$file);
+			}
+			@copy($system.$file,$folder.$file);
+		}
+	}
+
+	/**
+	 * ie8 css hack;
+	 * @return [type] [description]
+	 */
+	public function pie(){
+		header('Content-type: text/x-component');
+		include($this->pluginPath.'/static/pie/pie.htc');
+	}
+}