Merge branch 'otc' of http://120.27.238.55:7000/r/exchange into otc

xiaoyong931011

2021-05-27 4385b06801ad4c50bf4fc58bee992ef9de9fb260

 src/main/java/com/xcong/excoin/netty/common/NettyTools.java

@@ -31,4 +31,8 @@
    public static TextWebSocketFrame webSocketBytes(String msg) {
        return new TextWebSocketFrame(msg);
    }

    public static TextWebSocketFrame webSocketJson(Object object) {
        return webSocketBytes(JSONObject.toJSONString(object));
    }
}