HamsterKombat Mini-Game

[masterking32]

Hello,
I checked out the new Mini-Game but I'm not sure how to create a cipher for it. I started this discussion in the hopes that someone might know how to solve it and share the solution so we can add it to the bot.

Here’s what I’ve found so far:
Game URL:
https://hamsterkombatgame.io/games/UnblockPuzzle/?v

API Requests:

• Start Game:

  • Endpoint: https://api.hamsterkombatgame.io/clicker/start-keys-minigame
  • Method: POST with options

• Finish Game:

  • Endpoint: https://api.hamsterkombatgame.io/clicker/claim-daily-keys-minigame
  • Method: POST
  • Body: {"cipher":"DATA"}

The cipher is a base64 encoded string. When decoded, it reveals an INT|INT value. I believe the first part is a code based on time or some other variable, and the second part is the account ID. So, it looks like this: A_CIPHER_NUMBER|ACCOUNT_ID.

If anyone knows how to calculate A_CIPHER_NUMBER, we can incorporate it into the bot.

The game was developed using Defold.

In the code, there are two eval functions. One of them is eval(Zstd_DecStr(..., and the other is in DefoldGames_wasm.js. I think the OnGameFinish function is called from Defold.

function OnGameFinished(e) {
  parent.postMessage(JSON.stringify({
      method: "OnGameFinished",
      cipher: e
  }))
}

{
  var jsResult;
  var isSuccess = 1;
  try {
    jsResult = eval(UTF8ToString($0));
  } catch (err) {
    isSuccess = 0;
    jsResult = err;
  }
  _dmScript_Html5ReportOperationSuccess(isSuccess);
  jsResult += "";
  var stringOnWasmHeap = stringToNewUTF8(jsResult);
  return stringOnWasmHeap;
}

var readEmAsmArgsArray = [];
var readEmAsmArgs = function readEmAsmArgs(sigPtr, buf) {
  readEmAsmArgsArray.length = 0;
  var ch;
  while ((ch = HEAPU8[sigPtr++])) {
    var wide = ch != 105;
    wide &= ch != 112;
    buf += wide && buf % 8 ? 4 : 0;
    readEmAsmArgsArray.push(
      ch == 112
        ? HEAPU32[buf >> 2]
        : ch == 105
        ? HEAP32[buf >> 2]
        : HEAPF64[buf >> 3]
    );
    buf += wide ? 8 : 4;
  }
  return readEmAsmArgsArray;
};
var runEmAsmFunction = function runEmAsmFunction(code, sigPtr, argbuf) {
  var args = readEmAsmArgs(sigPtr, argbuf);
  return ASM_CONSTS[code].apply(ASM_CONSTS, _toConsumableArray(args));
};
var _emscripten_asm_const_int = function _emscripten_asm_const_int(
  code,
  sigPtr,
  argbuf
) {
  return runEmAsmFunction(code, sigPtr, argbuf);
};

If you have any insights or solutions, please share them!

Please refrain from posting if you don't have any ideas or knowledge about the topic. If we find a solution, we will add it. Otherwise, we won't.

---

Update:

The input data is formatted like this: - a - - c -.- a b b c -.0 0 e - c -.f - e d d v.f g g x - v.f h h x z z

In this format:

• Each character from a-z represents an element.
• 0 acts as a key.
• - indicates an empty column.
• . signifies the end of a row.

When organized into a table, the data looks like this:

- a - - c -
- a b b c -
0 0 e - c -
f - e d d v
f g g x - v
f h h x z z

[hashidosperb]

(startDate convert to timestamp | Telegram_chat_id) => convert to base64

[masterking32]

Maybe that's included a part of the time timestamp but that's not the full timestamp.

[AmirhN1382]

First part (A_CIPHER_NUMBER) length is 10 which is similar to timestamp, i assume they're somehow manipulating the timestamp for A_CIPHER_NUMBER. Can we confirm if A_CIPHER_NUMBER always starts with the number 0?

[XShaan]

I used this code, and it just works! 😊 About the first part: we can retrieve the start_date, add 20 seconds to it, and get the timestamp. I think it's a good idea! However, the code below works for me.

 def MiniGame(self):
        start_url = "https://api.hamsterkombatgame.io/clicker/start-keys-minigame"
        claim_url = "https://api.hamsterkombatgame.io/clicker/claim-daily-keys-minigame"

        # Start mini-game
        start_headers = {
            "Access-Control-Request-Headers": "authorization,content-type",
            "Access-Control-Request-Method": "POST",
            "Authorization": self.Authorization,
            "Content-Type": "application/json",
        }

        start_response = self.HttpRequest(start_url, start_headers)
        if not start_response:
            log.error(f"[{self.account_name}] Failed to start mini-game.")
            return

        log.info(f"[{self.account_name}] Mini-game started successfully.")

        # Prepare to claim rewards
        claim_headers = {
            "Accept": "application/json",
            "Authorization": self.Authorization,
            "Content-Type": "application/json",
        }

        # Fetch account basic data
        AccountBasicData = self.MeTelegramRequest()
        if not AccountBasicData:
            log.error(f"[{self.account_name}] Failed to fetch account basic data.")
            return

        # Get current time in seconds since epoch
        current_time = time.time()

        # Calculate the future time by adding 30 seconds
        future_time = current_time + 30

        # Convert the future time back to an integer timestamp
        future_timestamp = int(future_time)
        print(future_timestamp)
        input_string = f"{future_timestamp}|{AccountBasicData['telegramUser']['id']}"

        # Encode the bytes using Base64
        encoded_string = base64.b64encode(input_string.encode('utf-8')).decode('utf-8')

        payload = json.dumps({"cipher": encoded_string})
        claim_response = self.HttpRequest(claim_url, claim_headers, "POST", 200, payload)

        if claim_response:
            log.info(f"[{self.account_name}] Successfully claimed mini-game rewards.")
            return claim_response
        else:
            log.error(f"[{self.account_name}] Failed to claim mini-game rewards.")
            return None 

[masterking32]

It is not safe to use 018172263 as a dynamic value.

[XShaan]

It is not safe to use 018172263 as a dynamic value.

That's correct; I already changed it, and it works well now. <3

[husam-tariq]

OnGameFinished

this is the code of eval(Zstd_DecStr(...

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[masterking32]

Yeah, I decoded all of them. OnGameFinished is called from web assembly.