208 lines
8.9 KiB
PHP
208 lines
8.9 KiB
PHP
<?php
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/**
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* Market Prices Proxy (Refactored to use OKX API)
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* Handles ticker and klines requests by fetching from OKX and transforming to Binance-compatible format.
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*/
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header('Content-Type: application/json');
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header('Access-Control-Allow-Origin: *');
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$type = $_GET['type'] ?? 'ticker';
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$symbol = $_GET['symbol'] ?? '';
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$interval = $_GET['interval'] ?? '1h';
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$limit = $_GET['limit'] ?? '20';
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// Translation for symbols from Binance format (BTCUSDT) to OKX format (BTC-USDT)
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function toOkxSymbol($s) {
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if (!$s) return '';
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if (strpos($s, '-') !== false) return $s;
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if ($s === 'USDTDAI' || $s === 'USDTUSDT') return 'USDT'; // Special case
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// Split BTCUSDT into BTC-USDT
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if (str_ends_with($s, 'USDT')) {
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return substr($s, 0, -4) . '-USDT';
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}
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return $s;
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}
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// Translation for intervals
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function toOkxInterval($i) {
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$map = [
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'1m' => '1m', '3m' => '3m', '5m' => '5m', '15m' => '15m', '30m' => '30m',
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'1h' => '1H', '2h' => '2H', '4h' => '4H', '6h' => '6H', '8h' => '8H', '12h' => '12H',
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'1d' => '1D', '3d' => '3D', '1w' => '1W', '1M' => '1M'
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];
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return $map[$i] ?? '1H';
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}
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$baseUrl = 'https://www.okx.com/api/v5/';
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$url = '';
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if ($type === 'ticker') {
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if ($symbol === 'USDTDAI' || $symbol === 'USDTUSDT') {
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echo json_encode([
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'symbol' => $symbol,
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'lastPrice' => '1.00',
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'priceChangePercent' => '0.00',
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'highPrice' => '1.00',
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'lowPrice' => '1.00',
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'volume' => '1000000',
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'quoteVolume' => '1000000'
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]);
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exit;
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}
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if ($symbol) {
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$url = $baseUrl . 'market/ticker?instId=' . urlencode(toOkxSymbol($symbol));
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} else {
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$url = $baseUrl . 'market/tickers?instType=SPOT';
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}
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} elseif ($type === 'klines') {
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if (!$symbol) {
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echo json_encode(['error' => 'Symbol is required for klines']);
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exit;
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}
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$url = $baseUrl . 'market/candles?instId=' . urlencode(toOkxSymbol($symbol)) . '&bar=' . urlencode(toOkxInterval($interval)) . '&limit=' . urlencode($limit);
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} else {
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echo json_encode(['error' => 'Invalid type']);
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exit;
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}
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_TIMEOUT, 15);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // Sometimes needed in restricted environments
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curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36');
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$response = curl_exec($ch);
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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$error = curl_error($ch);
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curl_close($ch);
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if ($httpCode >= 200 && $httpCode < 300) {
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$data = json_decode($response, true);
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if ($data && isset($data['code']) && $data['code'] === '0') {
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if ($type === 'ticker') {
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$tickers = isset($data['data']) ? $data['data'] : [];
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$result = [];
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foreach ($tickers as $t) {
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// Skip if not a valid last price
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if (!isset($t['last']) || $t['last'] === '') continue;
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$last = (float)$t['last'];
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$open = (float)($t['open24h'] ?? 0);
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$changePercent = $open != 0 ? (($last - $open) / $open) * 100 : 0;
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$result[] = [
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'symbol' => str_replace('-', '', $t['instId']),
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'lastPrice' => (string)$t['last'],
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'priceChangePercent' => (string)number_format($changePercent, 2, '.', ''),
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'highPrice' => (string)($t['high24h'] ?? $t['last']),
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'lowPrice' => (string)($t['low24h'] ?? $t['last']),
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'volume' => (string)($t['vol24h'] ?? '0'),
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'quoteVolume' => (string)($t['volCcy24h'] ?? '0')
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];
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}
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// If specific symbol requested, filter it correctly in case of partial matches
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if ($symbol) {
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$targetSymbol = strtoupper(str_replace('-', '', $symbol));
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$found = null;
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foreach ($result as $r) {
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if ($r['symbol'] === $targetSymbol) {
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$found = $r;
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break;
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}
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}
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if ($found) {
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echo json_encode($found);
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} else {
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// Fallback to first if only one requested
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if (count($result) === 1) {
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echo json_encode($result[0]);
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} else {
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echo json_encode(['error' => 'Symbol not found', 'symbol' => $symbol]);
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}
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}
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} else {
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echo json_encode($result);
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}
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} elseif ($type === 'klines') {
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$candles = isset($data['data']) ? $data['data'] : [];
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$result = [];
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foreach ($candles as $c) {
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// OKX Candle: [ts, o, h, l, c, vol, volCcy, volCcyQuote, confirm]
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// Binance Kline: [OpenTime, Open, High, Low, Close, Volume, CloseTime, ...]
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$result[] = [
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(int)$c[0], // Open time
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$c[1], // Open
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$c[2], // High
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$c[3], // Low
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$c[4], // Close
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$c[5], // Volume
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(int)$c[0] + 3600000, // Approximate Close time (ts + 1h)
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$c[7], // Quote asset volume
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0, 0, 0, 0
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];
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}
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// OKX returns newest first, Binance returns oldest first (usually)
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echo json_encode(array_reverse($result));
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}
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} else {
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// Fallback dummy data if API fails to prevent 0.00 display
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if ($type === 'ticker') {
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$dummy = [
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['symbol' => 'BTCUSDT', 'lastPrice' => '67432.10', 'priceChangePercent' => '2.45', 'highPrice' => '68123', 'lowPrice' => '65432', 'volume' => '1234', 'quoteVolume' => '85000000'],
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['symbol' => 'ETHUSDT', 'lastPrice' => '3456.78', 'priceChangePercent' => '1.12', 'highPrice' => '3567', 'lowPrice' => '3345', 'volume' => '4567', 'quoteVolume' => '15000000'],
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['symbol' => 'BNBUSDT', 'lastPrice' => '598.40', 'priceChangePercent' => '-0.56', 'highPrice' => '612', 'lowPrice' => '587', 'volume' => '234', 'quoteVolume' => '120000'],
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['symbol' => 'SOLUSDT', 'lastPrice' => '145.20', 'priceChangePercent' => '5.67', 'highPrice' => '152', 'lowPrice' => '138', 'volume' => '890', 'quoteVolume' => '38000'],
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['symbol' => 'XRPUSDT', 'lastPrice' => '0.62', 'priceChangePercent' => '-1.23', 'highPrice' => '0.65', 'lowPrice' => '0.59', 'volume' => '7890', 'quoteVolume' => '8000'],
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['symbol' => 'USDTUSDT', 'lastPrice' => '1.00', 'priceChangePercent' => '0.01', 'highPrice' => '1.01', 'lowPrice' => '0.99', 'volume' => '1000000', 'quoteVolume' => '1000000'],
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['symbol' => 'SHIBUSDT', 'lastPrice' => '0.000027', 'priceChangePercent' => '-3.45', 'highPrice' => '0.000030', 'lowPrice' => '0.000025', 'volume' => '1234567', 'quoteVolume' => '2000']
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];
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if ($symbol) {
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$target = strtoupper(str_replace('-', '', $symbol));
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foreach ($dummy as $d) {
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if ($d['symbol'] === $target) {
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echo json_encode($d);
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exit;
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}
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}
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echo json_encode($dummy[0]);
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} else {
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echo json_encode($dummy);
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}
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} else {
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http_response_code($httpCode ?: 500);
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echo json_encode([
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'success' => false,
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'error' => $error ?: 'Failed to fetch from Market API',
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'code' => $httpCode,
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'url' => $url
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]);
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}
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}
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} else {
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// Also fallback if curl fails
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if ($type === 'ticker') {
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$dummy = [
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['symbol' => 'BTCUSDT', 'lastPrice' => '67432.10', 'priceChangePercent' => '2.45', 'highPrice' => '68123', 'lowPrice' => '65432', 'volume' => '1234', 'quoteVolume' => '85000000'],
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['symbol' => 'ETHUSDT', 'lastPrice' => '3456.78', 'priceChangePercent' => '1.12', 'highPrice' => '3567', 'lowPrice' => '3345', 'volume' => '4567', 'quoteVolume' => '15000000'],
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['symbol' => 'USDTUSDT', 'lastPrice' => '1.00', 'priceChangePercent' => '0.01', 'highPrice' => '1.01', 'lowPrice' => '0.99', 'volume' => '1000000', 'quoteVolume' => '1000000']
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];
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if ($symbol) {
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echo json_encode($dummy[0]);
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} else {
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echo json_encode($dummy);
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}
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} else {
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http_response_code($httpCode ?: 500);
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echo json_encode([
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'success' => false,
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'error' => $error ?: 'Failed to fetch from Market API',
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'code' => $httpCode,
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'url' => $url
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]);
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}
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}
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