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A library to communicate with the Ledger Ethereum app

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Rust client for Ledger Ethereum App

This crate provides a basic Rust client library to communicate with the Ethereum App running on a Ledger Nano S/X device.

Supported Instructions

  • Get Public Key
  • Sign Transaction
  • Get App Configuration
  • Sign Personal Message
  • Provide Erc20 Token Information
  • Sign Eip 712 Message
  • Get Eth2 Public Key
  • Set Eth2 Withdrawal Index
  • Set External Plugin
  • Provide Nft Information
  • Set Plugin
  • Perform Privacy Operation
  • Eip712 Struct Def
  • Eip712 Struct Impl
  • Eip712 Filtering

Testing

Building app-ethereum

https://github.com/LedgerHQ/ledger-app-builder

git clone https://github.com/LedgerHQ/app-ethereum/
cd app-ethereum/
docker run --rm -ti -v "$(realpath .):/app" ghcr.io/ledgerhq/ledger-app-builder/ledger-app-builder-lite:latest
# inside docker env
make clean && make -j DEBUG=1 CHAIN=goerli NFT_TESTING_KEY=1 BOLOS_SDK=$NANOX_SDK && mv bin/app.elf tests/speculos/elfs/nanox_goerli.elf

Starting Speculos

After installing app-ethereum requirements, you can run speculos with the following:

cd app-ethereum/tests/speculos
speculos --display headless ./elfs/nanox_goerli.elf --seed "6f0cd08f62d99e62ebb1e15f46df842c02380fd9f2abf987f0b5463adae25caeb564583bd413c9b7cbf0391808308332251e47696dd13688dc96b9edbccd981b"

Now you are ready to run the integration tests

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