wakumo / ledger-ethereum

ledger_ethereum

A Flutter Package to support communicate between Ledger Nano X device and EVM compatible chains apps

Fully support at Avacus so you can have the best experience.

Feel free to use and don't hesitate to raise issue if there are.

Getting Started

Installation

Install the latest version of this package via pub.dev:

ledger_ethereum: ^latest-version

For integration with the Ledger Flutter package, check out the documentation here.

Setup

Create a new instance of an EthereumLedgerApp and pass an instance of your Ledger object.

final app = EthereumLedgerApp(ledger);

Usage

Get accounts

final accounts = await app.getAccounts(device);

Sign personal message

final signature = await app.signPersonalMessage(
    device,
    messageInBytes,
);

Sign typed data

final signature = await app.signEIP712Message(
    device,
    messageInJson,
);

Sign transaction

final transactionInBytes = TransactionHandler.encodeTx(transaction, chainId);
final signature = await app.signTransaction(
    device,
    transactionInBytes,
);