| 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:trezor_connect/trezor_connect.dart'; |
| 6 | |
| 7 | class EVMChainTrezorService extends HardwareWalletService { |
| 8 | EVMChainTrezorService(this.connect, {this.chainId = 1}); |
| 9 | |
| 10 | final TrezorConnect connect; |
| 11 | final int chainId; |
| 12 | |
| 13 | @override |
| 14 | Future<List<HardwareAccountData>> getAvailableAccounts({int index = 0, int limit = 5}) async { |
| 15 | final indexRange = List.generate(limit, (i) => i + index); |
| 16 | |
| 17 | final requestParams = <TrezorGetAddressParams>[]; |
| 18 | for (final i in indexRange) { |
| 19 | final derivationPath = "m/44'/60'/$i'/0/0"; |
| 20 | requestParams.add(TrezorGetAddressParams(path: derivationPath)); |
| 21 | } |
| 22 | final accounts = await connect.ethereumGetAddressBundle(requestParams); |
| 23 | |
| 24 | return accounts |
| 25 | ?.map((account) => HardwareAccountData( |
| 26 | address: account.address, |
| 27 | accountIndex: account.path[2] - 0x80000000, // unharden the path to get the index |
| 28 | derivationPath: account.serializedPath, |
| 29 | )) |
| 30 | .toList() ?? |
| 31 | []; |
| 32 | } |
| 33 | } |