38350-vm/matching.php
2026-02-14 05:11:30 +00:00

116 lines
4.6 KiB
PHP

<?php
require_once 'db/config.php';
require_once 'includes/currency_helper.php';
session_start();
function json_die($error) {
if (isset($_SERVER["HTTP_X_REQUESTED_WITH"]) && $_SERVER["HTTP_X_REQUESTED_WITH"] === "XMLHttpRequest") {
echo json_encode(["success" => false, "error" => $error]);
} else {
die($error);
}
exit;
}
if (!isset($_SESSION['user_id'])) {
header("Location: login.php");
exit;
}
$user_id = $_SESSION['user_id'];
$pdo = db();
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['amount'])) {
$amount = (float)$_POST['amount'];
$order_type = $_POST['order_type'] ?? 'deposit'; // 'deposit' or 'withdrawal'
$type = $_POST['type'] ?? 'fiat'; // 'fiat' or 'usdt'
$currency = $_POST['currency'] ?? 'USDT';
$network = $_POST['network'] ?? '';
if ($amount <= 0) {
json_die("Invalid amount");
}
$fiat_rates = get_fiat_rates();
$rate = $fiat_rates[$currency] ?? 1.0;
if ($order_type === 'deposit') {
$usdt_amount = ($rate > 0) ? ($amount / $rate) : $amount;
} else {
// Withdrawal: amount is already in USDT (usually)
$usdt_amount = $amount;
// For withdrawal, we check balance first
$stmt = $pdo->prepare("SELECT balance FROM users WHERE id = ?");
$stmt->execute([$user_id]);
$balance = (float)$stmt->fetchColumn();
if ($balance < $usdt_amount) {
json_die("余额不足");
}
// For withdrawal, we might need a trading password check if present
if (isset($_POST['trading_password'])) {
$stmt = $pdo->prepare("SELECT trading_password FROM users WHERE id = ?");
$stmt->execute([$user_id]);
$saved_pass = $stmt->fetchColumn();
if ($saved_pass && $saved_pass !== $_POST['trading_password']) {
json_die("交易密码错误");
}
}
// Deduct balance immediately for withdrawal
$stmt = $pdo->prepare("UPDATE users SET balance = balance - ? WHERE id = ?");
$stmt->execute([$usdt_amount, $user_id]);
}
$expires_at = date('Y-m-d H:i:s', strtotime('+30 minutes'));
$pdo->beginTransaction();
try {
// Create order with status 'matching'
$stmt = $pdo->prepare("INSERT INTO fiat_orders (user_id, order_type, amount, usdt_amount, exchange_rate, currency, status, expires_at, created_at) VALUES (?, ?, ?, ?, ?, ?, 'matching', ?, CURRENT_TIMESTAMP)");
$stmt->execute([$user_id, $order_type, $amount, $usdt_amount, $rate, $currency, $expires_at]);
$order_id = $pdo->lastInsertId();
// Log to transactions table
$desc = ($order_type === 'deposit') ? "充值申请 #$order_id ($amount $currency)" : "提现申请 #$order_id ($amount $currency)";
$stmt = $pdo->prepare("INSERT INTO transactions (user_id, type, amount, currency, status, description) VALUES (?, ?, ?, 'USDT', 'pending', ?)");
$stmt->execute([$user_id, $order_type, ($order_type === 'deposit' ? $usdt_amount : -$usdt_amount), $desc]);
// Notification message for admin/chat
$type_text = ($order_type === 'deposit') ? "充值" : "提现";
$method_info = ($type === 'usdt') ? "USDT ($network)" : "法币 ($currency)";
// More active messages as if user is typing
if ($order_type === 'deposit') {
$msg = "你好,我已发起一笔 $amount $currency 的充值申请。请为我匹配收款账户。";
} else {
$msg = "你好,我已发起一笔 $amount $currency 的提现申请。请发送收款信息格式给我。";
}
// System record (visible to admin as a request tag)
$sys_msg = "📢 订单详情\n类型: $type_text\n金额: $amount $currency\n方式: $method_info\n单号: #$order_id";
$stmt = $pdo->prepare("INSERT INTO messages (user_id, sender, message) VALUES (?, 'user', ?)");
$stmt->execute([$user_id, $msg]);
$stmt = $pdo->prepare("INSERT INTO messages (user_id, sender, message) VALUES (?, 'user', ?)");
$stmt->execute([$user_id, $sys_msg]);
$pdo->commit();
if (isset($_SERVER["HTTP_X_REQUESTED_WITH"]) && $_SERVER["HTTP_X_REQUESTED_WITH"] === "XMLHttpRequest") {
echo json_encode(["success" => true, "order_id" => $order_id]);
exit;
} else {
header("Location: chat.php");
}
exit;
} catch (Exception $e) {
$pdo->rollBack();
json_die("Error: " . $e->getMessage());
}
} else {
header("Location: index.php");
exit;
}