| 1 | import 'package:cake_wallet/core/execution_state.dart'; |
| 2 | import 'package:cake_wallet/generated/i18n.dart'; |
| 3 | import 'package:cw_core/wallet_base.dart'; |
| 4 | import 'package:cw_core/wallet_type.dart'; |
| 5 | import 'package:mobx/mobx.dart'; |
| 6 | |
| 7 | part 'sign_view_model.g.dart'; |
| 8 | |
| 9 | class SignViewModel = SignViewModelBase with _$SignViewModel; |
| 10 | |
| 11 | abstract class SignViewModelBase with Store { |
| 12 | SignViewModelBase(this.wallet) : state = InitialExecutionState(); |
| 13 | |
| 14 | final WalletBase wallet; |
| 15 | |
| 16 | @observable |
| 17 | ExecutionState state; |
| 18 | |
| 19 | @observable |
| 20 | bool isSigning = true; |
| 21 | |
| 22 | bool get signIncludesAddress => [ |
| 23 | WalletType.monero, |
| 24 | WalletType.bitcoin, |
| 25 | WalletType.bitcoinCash, |
| 26 | WalletType.litecoin, |
| 27 | WalletType.dogecoin, |
| 28 | WalletType.haven, |
| 29 | ].contains(wallet.type); |
| 30 | |
| 31 | @action |
| 32 | Future<void> sign(String message, {String? address}) async { |
| 33 | state = IsExecutingState(); |
| 34 | try { |
| 35 | final signature = await wallet.signMessage(message, address: address); |
| 36 | state = ExecutedSuccessfullyState(payload: signature); |
| 37 | } catch (e) { |
| 38 | state = FailureState(e.toString()); |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | @action |
| 43 | Future<void> verify(String message, String signature, {String? address}) async { |
| 44 | state = IsExecutingState(); |
| 45 | try { |
| 46 | final sig = await wallet.verifyMessage(message, signature, address: address); |
| 47 | if (sig) { |
| 48 | state = ExecutedSuccessfullyState(); |
| 49 | } else { |
| 50 | state = FailureState(S.current.signature_invalid_error); |
| 51 | } |
| 52 | } catch (e) { |
| 53 | state = FailureState(e.toString()); |
| 54 | } |
| 55 | } |
| 56 | } |