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Tezos Ledger Wallet App

Interfaces

Both webusb and u2f interfaces are supported. For example, u2f interface is used by the Kukai web wallet.

Compile using docker containers for build dependencies

We compile and test using docker containers to obtain a reasonably predictable environment despite some level of heterogeny in the build setups of existing and potential developers.

Please use bash shell for uniformity in build environment.

The docker images can be built using the provided Makefile:

:; make docker-images

This pulls down following image, ghcr.io/ledgerhq/ledger-app-dev-tools. It also builds an image via docker/Dockerfile.ocaml.

We do not make the builds of the software conditional on these docker images as it can be time consuming to build them, approx 1 hour, and make(1) does not automatically avoid rebuilds as they do not create artefacts as files in the current directories.

Make the applications

You're all set, just run make now, binaries for each <model> (S, S+ or X) should be available as tgz archives at the root.

:; make

Each target can build independently:

E.g.:

:; make app_nanos.tgz

To build the debugging targets, a similar setup is used:

:; make debug

Or for a single target:

:; make app_nanos_dbg.tgz

Loading on real hardware

You need the ledgetctl tool, that can be installed with pip. At the moment, only the unreleased version works, that you can install as follows.

pip install git+https://github.com/LedgerHQ/ledgerctl

Depending on the hardware you have, call one of the two Makefile targets load_nanos (for Nano S) or load_nanosp (for Nano S+). Unfortunately, Nano X applications cannot be tested on real hardware. Make sure you have the latest firmware on the device.

Testing

There are two main kinds of testing that are provided: unit tests; and integration tests. The latter are much more time consuming, although a framework is provided with has a lot of parallelism. To run the integration tests, you will need a box that can run a 32 concurrent containers each running speculos.

The tests use the debugging targets and depend on the targets that they use.

The commands are:

:; make unit-tests

and

:; make integration-tests

NOTE: the full integration tests are [currently] only available for the Nano device. The basic tests can be run for all devices with:

:; make integration_tests_basic

Tests can be run for individual devices by appending the device name: e.g. integration_tests_basic_nanosp.

Integration tests can be run directly from the command line rather than via the Makefile:

:; ./tests/integration/run_test_docker.sh nanos app_nanos_dbg.tgz \
                                                tests/integration/nanos

There is also run_test_local.sh which should perform in a similar fashion, but it doesn't run speculos in a docker container and so you have to have the appropriate environment set up locally.

Both of these commands take the following arguments:

-T test_name : only runs a test with this name, may be provided multiple times.

-l num : stops after num tests.

-x : executes the tests with shell tracing (-x)

Basic tests rely on gold-images, rather than OCR. They are stored under nano/snapshots and touch/snapshots.

To generate/reset the snapshots, you can do so for individual tests.

Nano

Preparation

First, start a container for running individual tests:

docker run --rm -it --entrypoint /bin/bash -v $(pwd):/app --network host \
  ledger-app-tezos-integration-tests

cd /app

git config --global --add safe.directory /app

Before running the test, build the nano app you want to test, for example the nanox app:

make app_nanox_dbg.tgz

Running

You can run an individual test from the test container. You should see the app progress on the vnc viewer.

pytest tests/integration/nano/<test_name>.py \
   --device $DEVICE \
   --port $PORT \
   --speculos-args="--vnc-port 41000" \
   --app app/bin/app.elf

Setting goldimages

You can reset/set goldimages using the --golden-run option:

You will be requested to press enter to take snapshots in term. NB make sure that the screen has updated to the screen you want to snapshot each time. It's also a good idea to re-run the test normally afterwards, to ensure the snapshots have been set correctly.

STAX/FLEX

Preparation

First start the app in a terminal using following command:

make app_stax_dbg.tgz
TARGET=stax ./scripts/run_app.sh

You should be able to see the stax display on your screen.

Open a new terminal for running tests, run following commands to setup test environment

$ docker exec -it ledger-app-tezos-integration-tests bash;
<docker>$ export PORT=5000
<docker>$ . tests/integration/app_vars.sh

Running

You can run an individual test from the test container. You should see the app progress on the display.

./tests/integration/touch/<test_name>.py

Setting goldimages

You can reset/set goldimages using the following:

GOLDEN=1 ./tests/integration/touch/<test_name>.py

If you are resetting goldimages for multiple tests, you can also use export NOQUIT=1 to keep the app open at the end of a test.

You will be requested to press enter to take each snapshot in term. NB make sure that the screen has updated to the screen you want to snapshot each time. It's also a good idea to re-run the test normally afterwards, to ensure the snapshots have been set correctly.

Swap test

Requirement

Our swap tests are located in the https://github.com/functori/app-exchange repository. You must have a clone of this repository. In the commands below, it must be referenced in the APP_EXCHANGE_REPO variable.

In some of the commands below, other variables will be required:

Preparation

Make sure that the Tezos, Ethereum, and Exchange apps are built and set up correctly in the app-exchange repository. If not, run :

./scripts/test_swap.sh build_app_exchange $DEVICE
./scripts/test_swap.sh build_app_ethereum $DEVICE
./scripts/test_swap.sh build_app_tezos    $DEVICE

Running

You can run all test with :

./scripts/test_swap.sh run_tests_all $DEVICE

And you can run an individual test with :

./scripts/test_swap.sh run_tests --device $DEVICE -v -k "your_test_name"

Update

You can run :

./scripts/test_swap.sh update $DEVICE

to perform all snapshot update steps based on your current Tezos repository.

Contributing

The version of the app must be updated after every change. Following files need to be updated with a new version

  1. app/Makefile
  2. tests/integration/app_vars.sh
  3. tests/integration/nano/utils/app.py
  4. the snapshots (nano and touch)