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Sui Blockchain app for Ledger

Ledger application for the Sui Blockchain.

Written using Alamgu.

Device Compatability

This application is compatible with

  • Ledger Nano S, running firmware 2.1.0 and above
  • Ledger Nano S+, running firmware 1.1.0
  • Ledger Nano X

Note: Compatibility with Ledger Nano X is only possible to check on Speculos emulator, because the Nano X does not support side-loading apps under development.

Preparing Your Linux Machine for Ledger Device Communication

On Linux, the "udev" rules must be set up to allow your user to communicate with the ledger device. MacOS devices do not need any configuration to communicate with a Ledger device, so if you are using Mac you can ignore this section.

macOS

No steps need to be taken in advance.

NixOS

On NixOS, one can easily do this with by adding the following to configuration.nix:

{
  # ...
  hardware.ledger.enable = true;
  # ...
}

Non-NixOS Linux Distros

For non-NixOS Linux distros, LedgerHQ provides a script for this purpose, in its own specialized repo. Download this script, read it, customize it, and run it as root:

wget https://raw.githubusercontent.com/LedgerHQ/udev-rules/master/add_udev_rules.sh
chmod +x add_udev_rules.sh

We recommend against running the next command without reviewing the script and modifying it to match your configuration.

sudo ./add_udev_rules.sh

Subsequently, unplug your ledger hardware wallet, and plug it in again for the changes to take effect.

For more details, see Ledger's documentation.

Installing the app

If you don't want to develop the app but just use it, installation should be very simple. The first step is to obtain a release tarball. The second step is to load that app from the tarball.

Additionaly, if you are using Nix, you can skip the tarball entirely and directly build/downoad and load the load.

Directly build/download and load the app with Nix

First, follow our general instructions for getting started with Nix.

Second, please ensure that your device is plugged, unlocked, and on the device home screen.

Finally, run the following command to load the app on your device:

nix --extra-experimental-features nix-command run -f . $DEVICE.loadApp

where DEVICE is one of

  • nanos, for Nano S
  • nanox, for Nano X
  • nanosplus, for Nano S+

The app will be downloaded (if you have our Nix cache enabled) and/or freshly built as needed.

Obtaining a release tarball

Download an official build

Check the releases page of this app to see if an official build has been uploaded for this release. There is a separate tarball for each device.

Build one yourself, with Nix

First, follow our general instructions for getting started with Nix.

There is a separate tarball for each device. To build one, run:

nix-build -A $DEVICE.tarball

where DEVICE is one of

  • nanos, for Nano S
  • nanox, for Nano X
  • nanosplus, for Nano S+

The last line printed out will be the path of the tarball.

Installation using the pre-packaged tarball

Before installing please ensure that your device is plugged, unlocked, and on the device home screen.

With Nix

By using Nix, this can be done simply by using the load-app command, without manually installing the ledgerctl on your system.

tar xzf /path/to/release.tar.gz
cd sui-$DEVICE
nix-shell
load-app

/path/to/release.tar.gz you should replace with the actual path to the tarball. For example, it might be ~/Downloads/release.tar.gz if you downloaded a pre-built official release from GitHub, or /nix/store/adsfijadslifjaslif-release.tar.gz if you built it yourself with Nix.

Without Nix

Without using Nix, the ledgerctl can be used directly to install the app with the following commands. For more information on how to install and use that tool see the instructions from LedgerHQ.

tar xzf release.tar.gz
cd sui-$DEVICE
ledgerctl install -f app.json

Using the app with generic CLI tool

The bundled generic-cli tool can be used to obtaining the public key and do signing.

To use this tool using Nix, from the root level of this repo, run this command to enter a shell with all the tools you'll need:

nix-shell -A $DEVICE.appShell

where DEVICE is one of

  • nanos, for Nano S
  • nanox, for Nano X
  • nanosplus, for Nano S+

Then, one can use generic-cli like this:

  • Get a public key for a BIP-32 derivation without prompting the user:

    $ generic-cli getAddress --use-block "44'/784'/0'/0'/0'"
a42e71c004770d1a48956090248a8d7d86ee02726b5aab2a5cd15ca9f57cbd71

  • Show the address on device for a BIP-32 derivation and obtain the public key:

    $ generic-cli getAddress --use-block --verify "44'/535348'/0'/0/0"
a42e71c004770d1a48956090248a8d7d86ee02726b5aab2a5cd15ca9f57cbd71

  • Sign a transaction:

    $ generic-cli sign --use-block "44'/784'/0'/0'/0'" '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'
Signing:  <Buffer 1f 41 2f 22 53 11 f5 89 eb 3e a8 fd 05 d3 de 9e 1f 41 2f 22 53 11 f5 89 eb 3e a8 fd 05 d3 de 9e 1f 41 2f 22 53 11 f5 89 eb 3e a8 fd 05 d3 de 9e f8 f2 ... 14 more bytes>
906a1d402aa17b32e96903b1a42ba0df9b690157e6b9a974a36b81ee023a7e6bd39eeaa40cab270e6451dff4d820044c982bfd12a6fa88c0f5b758c0d8b67201

The exact output you see will vary, since Ledger devices should not be configured to have the same private key!

Development

See CONTRIBUTING.md.