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https://github.com/platonnetwork/ledger-app-platon


https://github.com/platonnetwork/ledger-app-platon

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README

        

# app-lat

Platon wallet application framework for Nano S and Nano X.

This app follows the specification available in the `doc/` folder.

# Plugins

This app support external plugins. More info in [doc/latapp_plugin.md](./doc/latapp_plugins.md). If you wish to have a look at an existing plugin, feel free to check out the [ParaSwap plugin](https://github.com/LedgerHQ/app-plugin-paraswap).

# Testing

Testing is done via the open-source framework zemu.
## Running tests

First [install yarn](https://classic.yarnpkg.com/en/docs/install/#debian-stable).
Open `tests/build_local_test_elfs.sh` and add your BOLOS SDKs path to `NANOS_SDK` and `NANOX_SDK`.
This helper script will build the applications required by the test suite and move them at the right place.
```
cd test
./build_local_test_elfs.sh
```
Then you can install the project by simply running:
```
cd ..
make test
```
This will run `make install_tests` and `make run_tests`

To run a specific tests (here the send test):
```
cd tests
jest --runInBand --detectOpenHandles src/send.test.js
```

Make sure you're in the `tests` folder before running `jest` or `yarn test`.

## Adding tests

### Zemu

To add tests, copy one of the already existing test files in `tests/src/`.
You then need to adapt the `buffer` and `tx` variables to adapt to the APDU you wish to send.

- Adapt the expected screen flow. Please create a folder under `tests/snapshots` with the name of the test you're performing.
- Then adapt the `ORIGINAL_SNAPSHOT_PATH_PREFIX` with the name of the folder you just created.
- To create the snapshots, modify the `SNAPSHOT_PATH_PREFIX` and set it to be equal to `ORIGINAL_SNAPSHOT_PATH_PREFIX`.
- Run the tests once, this will create all the snapshots in the folder you created.
- Put back your `SNAPSHOT_PATH_PREFIX` to `snapshots/tmp/`.

Finally make sure you adapt the expected signature!

### Update binaries

Don't forget to update the binaries in the test folder. To do so, compile with those environement variables:
```
make DEBUG=1 ALLOW_DATA=1
```

Then copy the binary to the `tests/elfs` folder (in this case, compiled with SDK for nanoS):
```
cp bin/app.elf tests/elfs/platon_nanos.elf
```

Repeat the operation for a binary compiled with nanoX SDK and change for `platon_nanox.elf`.