WIP: Ledger Substrate common App

This project contains implementation of the Substrate common app for Ledger hardware wallets.

For more information:

• forum post
• demo of using this app to sign transactions on parachains
• how to build
• how to install (video guide)

ATTENTION

Please:

• Do not use in production
• Do not use a Ledger device with funds for development purposes.
• Have a separate and marked device that is used ONLY for development and testing

Examples of using

Case 1. Known chain, known method

Polkadot chain, Balances pallet, Transfer method

Case 2. Known chain, unknown method

Polkadot chain

Case 3. Unknown chain

Khala chain

TODO

• parse and display chain name / genesis hash
• blind sign for not parsed method case
• build on Mac M1
• balances::transfer method for Polkadot chain
• other methods for balances pallet for Polkadot chain
• other chains
• derivation path settings
• Ledger Stax support
• tests