🚧 Under construction
This application is built using Godot.
Godot may seem like an odd choice at first glance, but with its cross-platform abilities and an amazing set of GUI & IO features, it makes it very capable for this application.
We can currently run on Mac, Windows, and Linux.
If you'd like to build from source, check below.
- Godot 4.2.1 Download Page
# macOS
$ brew install godot
# Ubuntu/Debian
$ snap install godot-4 # note: this gets installed as godot-4, not godot
# Windows
$ choco install godotEnsure that godot is installed such that is in on your $PATH.
For building releases, so-called "export templates" has to be downloaded. These are available from the official website. Note that these are unique per version of Godot, but not unique per platform we're exporting for.
From the GUI, these templates can be downloaded like this:
- "Project" menu in the toolbar
- "Export" item within the "Project" menu
- "Download and install"
The app relies on external binaries to be downloaded from a specific GitHub release. This is a bit cumbersome, but was the best we could come up with for now.
- chain_providers.cfg are where each of the sidechain configs starts. The hash and file size for each platform binary is manually generated and added to the config for the release if it has changed.
- version.cfg is where you would update the version and base GitHub release URL. Sometimes you may need to create a pre-release, upload all the binaries there and point to that as you are developing.
- Currently, each platform version is built on its respective platform. So build the launcher for Linux on Linux, Mac on Mac, and Windows on Windows.
- Mac is a bit different as you need to have a developer ID certificate so that Godot can request a signature and notarization. Whoever does this will need to create a signing certificate request and have Paul then create a new developer ID certificate with that request. Then you would install that into your Mac keychain. More info here: https://developer.apple.com/help/account/create-certificates/create-developer-id-certificates
The file export_presets.cfg controls the export (i.e. build) process for the
Launcher. It is controlled through the Godot GUI. If you write comments in the
file, they will get erased once the file is saved. Furthermore, enums are
represented as numbers, not strings...
export_presets.cfg is kept in Git. This file does not contain anything
sensitive. It is merged with .godot/export_credentials.cfg, which does
contain sensitive information. This file is also merged with certain environment
variables, such that this can be done on CI without fiddling around with files.
Signing (and therefore also notarizing) the application requires having the
correct set of certificates + private keys on the machine doing the export.
Certificates can be viewed using Keychain Access.app. Seeing certificates
capable of signing (i.e. certificates with private keys):
$ security find-identity -v -p codesigning | grep LayerTwo`Notarizing the app requires an App Store Connect API key. Docs for generating
this can be found
here.
There's three components to this key, which should go into
.godot/export_credentials.cfg before exporting:
- Issuer ID (
notarization/api_uuid). This is an UUID indicating which organization the key belongs to. This is available over the list of active keys. - The key itself (
notarization/api_key). This is a path to a.p8file, and can only be obtained when creating the key. - Key ID (
notarization/api_key_id). This is available in the list of active keys.
Explanation of export config file options:
export/distribution_type
0=testing ?
1=distribution
2=app store
codesign/codesign
0=disabled
1=built-in ad-hoc
2=rcodesign ruby tool for exporting from Linux
3=Xcode codesign
notarization/notarization
0=disabled
2=xcrun notarytool
Generate App Store Connect API keys:
Download the key somewhere
Docs on macOS: https://docs.godotengine.org/en/stable/tutorials/export/exporting_for_macos.html
Signing (is that the correct Windows nomenclature?) of the build artifacts does not happen in our pipeline. This leads to a scary pop-up warning the user when they try and launch the app. This could probably be set up, somehow. Left as an exercise to the reader!
MIT License
Copyright (c) 2023-2024 LayerTwo Labs
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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