Ledger Wallet for Zenon Dart SDK

The Ledger Wallet offers a cross platform client implementation for the Zenon Ledger App. Supported platforms are Linux, macOS and Windows.

Setup

To start using this library, edit the pubspec.yaml by adding the following lines:

dependencies:
  znn_ledger_dart: ^latest_version

Notice: znn_ledger_dart requires Dart version >=2.17.0

You can also use a specific GitHub tag or branch:

dependencies:
  znn_ledger_dart:
    git:
      url: git://github.com/zenon-network/znn_ledger_dart.git
      ref: <tag_or_branch>

Linux

Note that on Linux you will need to install an udev rule file with your application for unprivileged users to be able to access HID devices with hidapi. Refer to the README file in the udev directory for an example.

Code Example

You can use the LedgerWallet class to connect to a Ledger Nano S/X/SP and Stax device:

import 'package:znn_ledger_dart/znn_ledger_dart.dart';

void main() async {
    // Use ledger manager
    var manager = LedgerWalletManager();

    // Get all available wallets
    var walletList = await manager.getWalletDefinitions();

    if (walletList.isNotEmpty) {
        try {
            // Use first wallet available
            var wallet = await manager.getWallet(
              walletList[0], LedgerWalletOptions(confirmAddressByDefault: false));

            // Get primary wallet account
            var account = await wallet.getAccount(0) as LedgerWalletAccount;
            
            // Get address and confirm with ledger
            var address = await account.getAddress(true);
            ...
        } on ConnectionError catch (e) {
            print('Ledger connection error: ${e.origMessage}');
        } on ResponseError catch (e) {
            print('Ledger response error: ${e.statusWord}');
        }
    } else {
        print('No wallets found');
    }
}

Contributing

Please check CONTRIBUTING for more details.

License

The MIT License (MIT). Please check LICENSE for more information.