feat:币安接口

@@ -40,7 +40,7 @@ class BinanceFutures
         return hash_hmac('sha256', $paramStr, $secret);
     }
 
-    private function requestAccount($method, $path, $param)
+    public function requestAccount($method, $path, $param)
     {
         if(empty($this->apikey) || empty($this->secret)){
             output('api 或 secret 为空');
@@ -67,7 +67,7 @@ class BinanceFutures
         return json_decode($data, true);
     }
 
-    static private function requestMarket($method, $path, $param)
+    static public function requestMarket($method, $path, $param)
     {
         $url = self::createUrl($path);
         if (!in_array(strtoupper($method), ['GET', 'POST', 'DELETE'])) {