@cardano-foundation/ledgerjs-hw-app-cardano

@cardano-foundation/ledgerjs-hw-app-cardano

JS Library for communication with Ledger Hardware Wallets. This library is compatible with the Cardano ADA Ledger Application.

Example code

Example code interacting with hw-app-cardano is provided in example_node directory. To compile run yarn build-example. Run example by node example-node/lib/index.js.

Tests

Automated tests are provided. There are two types of tests

1. yarn test-integration. Tests JS api.
2. yarn test-direct. Mostly tests vartious corner cases. There are some extensive tests which are disabled by default, see tests source code. Also note that for these tests it is advised to install developer version of Cardano app with headless mode enabled, otherwise you spend your entire life confirming various prompts on device.

Changelog

2.2.0 - [February 8th 2021]

Works with Ledger Cardano app 2.2.0 and is backwards compatible with older versions down to 2.0.4/2.0.5*. Older versions of this js library do not support Ledger Cardano app 2.2.0, hence an update to this version of the library is required before Ledger Cardano app 2.2.0 is released.

Added

• Support for Allegra-era transaction min validity property, transaction TTL is now optional: https://github.com/vacuumlabs/ledgerjs-cardano-shelley/pull/27/files
• Support for Mary-era multiasset outputs (no minting yet) https://github.com/vacuumlabs/ledgerjs-cardano-shelley/pull/27/files
• Update docs with a stake pool registration (as an owner) example https://github.com/vacuumlabs/ledgerjs-cardano-shelley/pull/23

Changed

Fixed

• Fixed incorrect validation of numerical parameters passed as strings which failed for values over JS max safe integer: https://github.com/vacuumlabs/ledgerjs-cardano-shelley/pull/29