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MooMoo.io Script Unpatcher (Any Hack) (Recent patches, fixes packets)

Rewrites packets to most recent version (e.g. 33 -> f)

// ==UserScript==
// @name         MooMoo.io Script Unpatcher (Any Hack) (Recent patches, fixes packets)
// @namespace    http://tampermonkey.net/
// @version      100000
// @description  Rewrites packets to most recent version (e.g. 33 -> f)
// @author       JavedPension
// @match        *://*.moomoo.io/*
// @require      https://greasyfork.org/scripts/423602-msgpack/code/msgpack.js
// @grant        none
// @license      MIT
// ==/UserScript==

/* How to use

Copy and paste the code below to the end of your hack.

If you do not have msgpack locally referencable, include the `// @require` line in your mod metadata as done above.

*/

const PACKET_MAP = {
    // wont have all old packets, since they conflict with some of the new ones, add them yourself if you want to unpatch mods that are that old.
    "33": "9",
    // "7": "K",
    "ch": "6",
    "pp": "0",
    "13c": "c",

    // most recent packet changes
    "a": "9",
    "d": "F",
    "G": "z"
}

let originalSend = WebSocket.prototype.send;

WebSocket.prototype.send = new Proxy(originalSend, {
    apply: ((target, websocket, argsList) => {
        let decoded = msgpack.decode(new Uint8Array(argsList[0]));

        if (PACKET_MAP.hasOwnProperty(decoded[0])) {
            decoded[0] = PACKET_MAP[decoded[0]];
        }

        return target.apply(websocket, [msgpack.encode(decoded)]);
    })
});