| 1 | import 'dart:async'; |
| 2 | |
| 3 | import 'package:cw_core/hardware/hardware_account_data.dart'; |
| 4 | import 'package:cw_core/hardware/hardware_wallet_service.dart'; |
| 5 | import 'package:ledger_ethereum/ledger_ethereum.dart'; |
| 6 | import 'package:ledger_flutter_plus/ledger_flutter_plus.dart'; |
| 7 | |
| 8 | class EVMChainLedgerService extends HardwareWalletService { |
| 9 | EVMChainLedgerService(this.ledgerConnection); |
| 10 | |
| 11 | final LedgerConnection ledgerConnection; |
| 12 | |
| 13 | @override |
| 14 | Future<List<HardwareAccountData>> getAvailableAccounts({int index = 0, int limit = 5}) async { |
| 15 | final ethereumLedgerApp = EthereumLedgerApp(ledgerConnection); |
| 16 | |
| 17 | await ethereumLedgerApp.getVersion(); |
| 18 | |
| 19 | final accounts = <HardwareAccountData>[]; |
| 20 | final indexRange = List.generate(limit, (i) => i + index); |
| 21 | |
| 22 | for (final i in indexRange) { |
| 23 | final derivationPath = "m/44'/60'/$i'/0/0"; |
| 24 | final address = await ethereumLedgerApp.getAccounts(accountsDerivationPath: derivationPath); |
| 25 | |
| 26 | accounts.add(HardwareAccountData( |
| 27 | address: address.first, |
| 28 | accountIndex: i, |
| 29 | derivationPath: derivationPath, |
| 30 | )); |
| 31 | } |
| 32 | |
| 33 | return accounts; |
| 34 | } |
| 35 | } |