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
2026-03-30 20:16:32 +08:00
commit 1b24994e74
6721 changed files with 1308571 additions and 0 deletions
@@ -0,0 +1,171 @@
+<?php
+
+namespace fast;
+
+/**
+ * 随机生成类
+ */
+class Random
+{
+
+    /**
+     * 生成数字和字母
+     *
+     * @param int $len 长度
+     * @return string
+     */
+    public static function alnum($len = 6)
+    {
+        return self::build('alnum', $len);
+    }
+
+    /**
+     * 仅生成字符
+     *
+     * @param int $len 长度
+     * @return string
+     */
+    public static function alpha($len = 6)
+    {
+        return self::build('alpha', $len);
+    }
+
+    /**
+     * 生成指定长度的随机数字
+     *
+     * @param int $len 长度
+     * @return string
+     */
+    public static function numeric($len = 4)
+    {
+        return self::build('numeric', $len);
+    }
+
+    /**
+     * 生成指定长度的无0随机数字
+     *
+     * @param int $len 长度
+     * @return string
+     */
+    public static function nozero($len = 4)
+    {
+        return self::build('nozero', $len);
+    }
+
+    /**
+     * 能用的随机数生成
+     * @param string $type 类型 alpha/alnum/numeric/nozero/unique/md5/encrypt/sha1
+     * @param int    $len  长度
+     * @return string
+     */
+    public static function build($type = 'alnum', $len = 8)
+    {
+        switch ($type) {
+            case 'alpha':
+            case 'alnum':
+            case 'numeric':
+            case 'nozero':
+                switch ($type) {
+                    case 'alpha':
+                        $pool = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+                        break;
+                    case 'alnum':
+                        $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+                        break;
+                    case 'numeric':
+                        $pool = '0123456789';
+                        break;
+                    case 'nozero':
+                        $pool = '123456789';
+                        break;
+                }
+                return substr(str_shuffle(str_repeat($pool, ceil($len / strlen($pool)))), 0, $len);
+            case 'unique':
+            case 'md5':
+                return md5(uniqid(mt_rand()));
+            case 'encrypt':
+            case 'sha1':
+                return sha1(uniqid(mt_rand(), true));
+        }
+    }
+
+    /**
+     * 根据数组元素的概率获得键名
+     *
+     * @param array $ps     array('p1'=>20, 'p2'=>30, 'p3'=>50);
+     * @param int   $num    默认为1,即随机出来的数量
+     * @param bool  $unique 默认为true,即当num>1时,随机出的数量是否唯一
+     * @return mixed 当num为1时返回键名,反之返回一维数组
+     */
+    public static function lottery($ps, $num = 1, $unique = true)
+    {
+        if (!$ps) {
+            return $num == 1 ? '' : [];
+        }
+        if ($num >= count($ps) && $unique) {
+            $res = array_keys($ps);
+            return $num == 1 ? $res[0] : $res;
+        }
+        $max_exp = 0;
+        $res = [];
+        foreach ($ps as $key => $value) {
+            $value = substr($value, 0, stripos($value, ".") + 6);
+            $exp = strlen(strchr($value, '.')) - 1;
+            if ($exp > $max_exp) {
+                $max_exp = $exp;
+            }
+        }
+        $pow_exp = pow(10, $max_exp);
+        if ($pow_exp > 1) {
+            reset($ps);
+            foreach ($ps as $key => $value) {
+                $ps[$key] = $value * $pow_exp;
+            }
+        }
+        $pro_sum = array_sum($ps);
+        if ($pro_sum < 1) {
+            return $num == 1 ? '' : [];
+        }
+        for ($i = 0; $i < $num; $i++) {
+            $rand_num = mt_rand(1, $pro_sum);
+            reset($ps);
+            foreach ($ps as $key => $value) {
+                if ($rand_num <= $value) {
+                    break;
+                } else {
+                    $rand_num -= $value;
+                }
+            }
+            if ($num == 1) {
+                $res = $key;
+                break;
+            } else {
+                $res[$i] = $key;
+            }
+            if ($unique) {
+                $pro_sum -= $value;
+                unset($ps[$key]);
+            }
+        }
+        return $res;
+    }
+
+    /**
+     * 获取全球唯一标识
+     * @return string
+     */
+    public static function uuid()
+    {
+        return sprintf(
+            '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
+            mt_rand(0, 0xffff),
+            mt_rand(0, 0xffff),
+            mt_rand(0, 0xffff),
+            mt_rand(0, 0x0fff) | 0x4000,
+            mt_rand(0, 0x3fff) | 0x8000,
+            mt_rand(0, 0xffff),
+            mt_rand(0, 0xffff),
+            mt_rand(0, 0xffff)
+        );
+    }
+}