Api.php
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<?php
namespace trader\okx;
require_once __DIR__ . '/../../struct/ApiInfo.php';
require_once __DIR__ . '/../../../jytools/func.php';
require_once __DIR__ . '/../../../jytools/Curl.php';
use trader\struct\ApiInfo;
use jytools\Curl;
use function jytools\getMicrotime;
use function jytools\tsToISO;
class Api
{
private ?ApiInfo $apiInfo = null;
// private string $host = "https://www.okx.com";
// private string $host = "http://okapi.keetu.com";
private string $host = "http://okapi.a.indigo888.com";
public function __construct($apiInfo = null, $host = "")
{
if ($apiInfo != null) {
$this->apiInfo = $apiInfo;
}
if ($host != "") {
$this->host = $host;
}
}
//-----------public interface ------------
//所有交易产品基础信息
public function instruments($param)
{
$path = '/api/v5/public/instruments';
$method = 'GET';
return $this->request($path, $method, $param);
}
public function positionTiers($param)
{
$path = '/api/v5/public/position-tiers';
$method = 'GET';
return $this->request($path, $method, $param);
}
//获取资金费率
public function fundingRate($param)
{
$path = '/api/v5/public/funding-rate';
$method = 'GET';
return $this->request($path, $method, $param);
}
//-----------private interface ------------
// 查询杠杆
public function leverageInfo($param)
{
$path = '/api/v5/account/leverage-info';
$method = 'GET';
return $this->request($path, $method, $param, $this->apiInfo);
}
//设置杠杆
public function setLeverage($param)
{
$path = '/api/v5/account/set-leverage';
$method = 'POST';
return $this->request($path, $method, $param, $this->apiInfo);
}
//下单
public function placeOrder($param)
{
$path = '/api/v5/trade/order';
$method = 'POST';
return $this->request($path, $method, $param, $this->apiInfo);
}
//查看账户余额
public function accountBalance($param)
{
$path = '/api/v5/account/balance';
$method = 'GET';
return $this->request($path, $method, $param, $this->apiInfo);
}
//-------------------------------------
private function createSign($timestamp, $method, $requestPath, $secretKey, $body = '')
{
$sign = base64_encode(hash_hmac('sha256', $timestamp . $method . $requestPath . $body, $secretKey, true));
return $sign;
}
private function request($path, $method, $param)
{
$header = [];
$body = '';
$fullPath = $path;
if ($method == 'GET' && count($param) > 0) {
$fullPath = $path . '?' . http_build_query($param);
} else {
$header[] = 'Content-Type: application/json';
$body = json_encode($param);
}
if ($this->apiInfo != null) {
$timestamp = tsToISO(getMicrotime());
$header[] = 'OK-ACCESS-KEY: ' . $this->apiInfo->key;
$header[] = 'OK-ACCESS-PASSPHRASE: ' . $this->apiInfo->passphrase;
$header[] = 'OK-ACCESS-TIMESTAMP: ' . $timestamp;
$sign = $this->createSign($timestamp, $method, $fullPath, $this->apiInfo->secret, $body);
$header[] = 'OK-ACCESS-SIGN: ' . $sign;
}
$url = $this->host . $path;
$result = "";
if ($method == 'POST') {
$result = Curl::httpPost($url, $param, $header);
} else if ($method == 'GET') {
$result = Curl::httpGet($url, $param, $header);
} else {
$result = Curl::httpGet($url, $param, $header);
}
return json_decode($result, true);
}
}