const jwt = require("jsonwebtoken");
const {v4: uuidv4} = require('uuid');
const WebSocket = require("ws");

const payload = {
    access_key: "발급받은 Access key", 
    nonce: uuidv4(),
};


const jwtToken = jwt.sign(payload, "발급받은 Secret key");

const ws = new WebSocket("wss://api.upbit.com/websocket/v1", {
    headers: {
        authorization: `Bearer ${jwtToken}`
    }
});


ws.on("open", () => {
    console.log("connected!");
    // Request after connection
    ws.send('[{"ticket":"test example"},{"type":"myTrade"}]');

});

ws.on("error", console.error);

ws.on("message", (data) => console.log(data.toString()));

ws.on("close", () => console.log("closed!"));

import jwt  # PyJWT
import uuid
import websocket  # websocket-client


def on_message(ws, message):
    # do something
    data = message.decode('utf-8')
    print(data)


def on_connect(ws):
    print("connected!")
    # Request after connection
    ws.send('[{"ticket":"test example"},{"type":"myTrade"}]')


def on_error(ws, err):
    print(err)


def on_close(ws, status_code, msg):
    print("closed!")


payload = {
    'access_key': "발급받은 Access key",
    'nonce': str(uuid.uuid4()),
}

jwt_token = jwt.encode(payload, "발급받은 Secret key");
authorization_token = 'Bearer {}'.format(jwt_token)
headers = {"Authorization": authorization_token}

ws_app = websocket.WebSocketApp("wss://api.upbit.com/websocket/v1",
                                header=headers,
                                on_message=on_message,
                                on_open=on_connect,
                                on_error=on_error,
                                on_close=on_close)
ws_app.run_forever()