server_checker

This is a flutter app for batch downloading GC2OS server assets (music and charts) to the user's device (their application folder).

Note: For 7003, the code has changed. Go to lib folder and replace main.dart with main-7003.dart.

To use it, you need to

Compile the project to .apk or .ipa. learn how to here. A pre-compiled apk is provided, it has the same name and signature as the 4max version apk.
Sign the package to match the game client exactly (so you can install/sideload them and have them share the resource folders), this is general android/ios knowledge, use apktool + common certificate or a common ipa signing service.
Install the game. Then, install the package on the device,
Generate a batch_token in the database through some means (database edit, discord bot, etc.). The schema of the table is as follows:

id: auto generated primary key, simply ignore
batch_token: The key string itself. Required field, String value
expire_at: Datetime string of when the token expires. Required field, String value (e.g. 2026-11-27 06:37:48.170791)
uses_left: Amount of uses the token can accrude before it stops working. Each time it queries the /batch api, this count will decrease by 1. Required field, Integer value.
auth_id, created_at, updated_at: Simply left blank for local uses.

This is a beta solution. Please report issues and errors.

Discord bot will not be open-sourced at the time being due to security concerns.