feat:rateLimit 接口

@@ -238,6 +238,13 @@ class BinanceFutures
         $method = 'GET';
         $method = 'GET';
         return self::requestMarket($method, $path, $param);
         return self::requestMarket($method, $path, $param);
     }
     }
+    //rateLimit
+    static public function rateLimit($param)
+    {
+        $path   = '/fapi/v1/rateLimit/order';
+        $method = 'GET';
+        return self::requestMarket($method, $path, $param);
+    }
 }
 }
 
 
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