CW-229 Improved restore options from QR code (#793)
* add restoring wallet from qr * add restore mode * add alert for exceptions * add restore from seed * add check for create wallet state * convert sweeping page into stateful * fix parsing url * restoration flow update * update restoring from key mode * update config * fix restor of BTC and LTC wallets * fix pin code issue * wallet Seed/keys uri or code fix * fix key restore credentials * update the restore workflow * update from main * PR coments fixes * update * update * PR fixeswow-support
Serhii
1 year ago
committed by
GitHub
parent
f2b8dd21a1
commit
1eb8d0c698
@ -0,0 +1,123 @@
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import 'package:cake_wallet/themes/theme_base.dart';
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import 'package:flutter/material.dart';
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import 'package:cake_wallet/src/screens/base_page.dart';
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import 'package:cake_wallet/generated/i18n.dart';
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import 'package:flutter/scheduler.dart';
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class SweepingWalletPage extends BasePage {
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SweepingWalletPage();
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static const aspectRatioImage = 1.25;
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final welcomeImageLight = Image.asset('assets/images/welcome_light.png');
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final welcomeImageDark = Image.asset('assets/images/welcome.png');
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: Theme.of(context).backgroundColor,
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resizeToAvoidBottomInset: false,
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body: body(context));
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}
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@override
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Widget body(BuildContext context) {
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final welcomeImage = currentTheme.type == ThemeType.dark ? welcomeImageDark : welcomeImageLight;
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return SweepingWalletWidget(
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aspectRatioImage: aspectRatioImage,
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welcomeImage: welcomeImage,
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);
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}
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}
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class SweepingWalletWidget extends StatefulWidget {
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const SweepingWalletWidget({
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required this.aspectRatioImage,
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required this.welcomeImage,
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});
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final double aspectRatioImage;
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final Image welcomeImage;
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@override
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State<SweepingWalletWidget> createState() => _SweepingWalletWidgetState();
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}
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class _SweepingWalletWidgetState extends State<SweepingWalletWidget> {
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@override
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void initState() {
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SchedulerBinding.instance.addPostFrameCallback((_) async {
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});
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super.initState();
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}
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@override
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Widget build(BuildContext context) {
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return WillPopScope(
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onWillPop: () async => false,
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child: Container(
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padding: EdgeInsets.only(top: 64, bottom: 24, left: 24, right: 24),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: <Widget>[
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Flexible(
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flex: 2,
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child: AspectRatio(
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aspectRatio: widget.aspectRatioImage,
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child: FittedBox(child: widget.welcomeImage, fit: BoxFit.fill))),
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Flexible(
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flex: 3,
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child: Column(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: <Widget>[
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Column(
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children: <Widget>[
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Padding(
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padding: EdgeInsets.only(top: 24),
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child: Text(
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S.of(context).please_wait,
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.w500,
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color: Theme.of(context).accentTextTheme!.headline2!.color!,
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),
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textAlign: TextAlign.center,
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),
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),
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Padding(
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padding: EdgeInsets.only(top: 5),
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child: Text(
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S.of(context).sweeping_wallet,
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style: TextStyle(
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fontSize: 36,
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fontWeight: FontWeight.bold,
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color: Theme.of(context).primaryTextTheme!.headline6!.color!,
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),
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textAlign: TextAlign.center,
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),
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),
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Padding(
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padding: EdgeInsets.only(top: 5),
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child: Text(
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S.of(context).sweeping_wallet_alert,
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w500,
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color: Theme.of(context).accentTextTheme!.headline2!.color!,
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),
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textAlign: TextAlign.center,
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),
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),
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],
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),
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],
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))
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],
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)));
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}
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}
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@ -0,0 +1,106 @@
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import 'package:cake_wallet/bitcoin/bitcoin.dart';
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import 'package:cake_wallet/view_model/restore/restore_mode.dart';
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import 'package:cake_wallet/view_model/restore/restore_wallet.dart';
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import 'package:hive/hive.dart';
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import 'package:mobx/mobx.dart';
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import 'package:cake_wallet/monero/monero.dart';
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import 'package:cake_wallet/store/app_store.dart';
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import 'package:cw_core/wallet_base.dart';
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import 'package:cake_wallet/core/generate_wallet_password.dart';
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import 'package:cake_wallet/core/wallet_creation_service.dart';
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import 'package:cw_core/wallet_credentials.dart';
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import 'package:cw_core/wallet_type.dart';
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import 'package:cake_wallet/view_model/wallet_creation_vm.dart';
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import 'package:cw_core/wallet_info.dart';
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part 'restore_from_qr_vm.g.dart';
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class WalletRestorationFromQRVM = WalletRestorationFromQRVMBase with _$WalletRestorationFromQRVM;
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abstract class WalletRestorationFromQRVMBase extends WalletCreationVM with Store {
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WalletRestorationFromQRVMBase(AppStore appStore, WalletCreationService walletCreationService,
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Box<WalletInfo> walletInfoSource, WalletType type)
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: height = 0,
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viewKey = '',
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spendKey = '',
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wif = '',
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address = '',
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super(appStore, walletInfoSource, walletCreationService,
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type: type, isRecovery: true);
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@observable
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int height;
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@observable
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String viewKey;
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@observable
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String spendKey;
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@observable
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String wif;
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@observable
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String address;
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bool get hasRestorationHeight => type == WalletType.monero;
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@override
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WalletCredentials getCredentialsFromRestoredWallet(dynamic options, RestoredWallet restoreWallet) {
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final password = generateWalletPassword();
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switch (restoreWallet.restoreMode) {
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case WalletRestoreMode.keys:
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switch (restoreWallet.type) {
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case WalletType.monero:
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return monero!.createMoneroRestoreWalletFromKeysCredentials(
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name: name,
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password: password,
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language: 'English',
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address: restoreWallet.address ?? '',
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viewKey: restoreWallet.viewKey ?? '',
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spendKey: restoreWallet.spendKey ?? '',
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height: restoreWallet.height ?? 0);
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case WalletType.bitcoin:
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case WalletType.litecoin:
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return bitcoin!.createBitcoinRestoreWalletFromWIFCredentials(
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name: name, password: password, wif: wif);
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default:
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throw Exception('Unexpected type: ${restoreWallet.type.toString()}');
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}
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case WalletRestoreMode.seed:
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switch (restoreWallet.type) {
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case WalletType.monero:
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return monero!.createMoneroRestoreWalletFromSeedCredentials(
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name: name,
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height: restoreWallet.height ?? 0,
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mnemonic: restoreWallet.mnemonicSeed ?? '',
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password: password);
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case WalletType.bitcoin:
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case WalletType.litecoin:
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return bitcoin!.createBitcoinRestoreWalletFromSeedCredentials(
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name: name, mnemonic: restoreWallet.mnemonicSeed ?? '', password: password);
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default:
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throw Exception('Unexpected type: ${type.toString()}');
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}
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default:
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throw Exception('Unexpected type: ${type.toString()}');
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}
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}
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@override
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Future<WalletBase> processFromRestoredWallet(WalletCredentials credentials, RestoredWallet restoreWallet) async {
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try {
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switch (restoreWallet.restoreMode) {
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case WalletRestoreMode.keys:
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return walletCreationService.restoreFromKeys(credentials);
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case WalletRestoreMode.seed:
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return walletCreationService.restoreFromSeed(credentials);
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default:
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throw Exception('Unexpected restore mode: ${restoreWallet.restoreMode.toString()}');
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}
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} catch (e) {
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throw Exception('Unexpected restore mode: ${e.toString()}');
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}
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}
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}
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@ -0,0 +1 @@
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enum WalletRestoreMode { seed, keys, txids }
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@ -0,0 +1,66 @@
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import 'package:cake_wallet/view_model/restore/restore_mode.dart';
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import 'package:cw_core/wallet_type.dart';
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class RestoredWallet {
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RestoredWallet(
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{required this.restoreMode,
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required this.type,
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required this.address,
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this.txId,
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this.spendKey,
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this.viewKey,
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this.mnemonicSeed,
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this.txAmount,
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this.txDescription,
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this.recipientName,
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this.height});
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final WalletRestoreMode restoreMode;
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final WalletType type;
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final String? address;
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final String? txId;
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final String? spendKey;
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final String? viewKey;
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final String? mnemonicSeed;
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final String? txAmount;
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final String? txDescription;
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final String? recipientName;
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final int? height;
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factory RestoredWallet.fromKey(Map<String, dynamic> json) {
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final height = json['height'] as String?;
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return RestoredWallet(
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restoreMode: json['mode'] as WalletRestoreMode,
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type: json['type'] as WalletType,
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address: json['address'] as String?,
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spendKey: json['spend_key'] as String?,
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viewKey: json['view_key'] as String?,
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height: height != null ? int.parse(height) : 0,
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);
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}
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factory RestoredWallet.fromSeed(Map<String, dynamic> json) {
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final height = json['height'] as String?;
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final mnemonic_seed = json['mnemonic_seed'] as String?;
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final seed = json['seed'] as String?;
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return RestoredWallet(
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restoreMode: json['mode'] as WalletRestoreMode,
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type: json['type'] as WalletType,
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address: json['address'] as String?,
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mnemonicSeed: mnemonic_seed ?? seed,
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height: height != null ? int.parse(height) : 0,
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);
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}
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factory RestoredWallet.fromTxIds(Map<String, dynamic> json) {
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return RestoredWallet(
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restoreMode: json['mode'] as WalletRestoreMode,
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type: json['type'] as WalletType,
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address: json['address'] as String?,
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txId: json['tx_payment_id'] as String,
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txAmount: json['tx_amount'] as String,
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txDescription: json['tx_description'] as String?,
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recipientName: json['recipient_name'] as String?,
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);
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}
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}
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@ -0,0 +1,159 @@
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import 'package:cake_wallet/core/address_validator.dart';
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import 'package:cake_wallet/core/seed_validator.dart';
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import 'package:cake_wallet/entities/mnemonic_item.dart';
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import 'package:cake_wallet/entities/parse_address_from_domain.dart';
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import 'package:cake_wallet/entities/qr_scanner.dart';
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import 'package:cake_wallet/view_model/restore/restore_mode.dart';
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import 'package:cake_wallet/view_model/restore/restore_wallet.dart';
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import 'package:cw_bitcoin/bitcoin_mnemonic.dart';
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import 'package:cw_core/wallet_type.dart';
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import 'package:flutter/cupertino.dart';
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class WalletRestoreFromQRCode {
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WalletRestoreFromQRCode();
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static Future<RestoredWallet> scanQRCodeForRestoring(BuildContext context) async {
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String code = await presentQRScanner();
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Map<String, dynamic> credentials = {};
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if (code.isEmpty) {
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throw Exception('Unexpected scan QR code value: value is empty');
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}
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final formattedUri = getFormattedUri(code);
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final uri = Uri.parse(formattedUri);
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final queryParameters = uri.queryParameters;
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credentials['type'] = getWalletTypeFromUrl(uri.scheme);
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final address = getAddressFromUrl(
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type: credentials['type'] as WalletType,
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rawString: queryParameters.toString(),
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);
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if (address != null) {
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credentials['address'] = address;
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}
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final seed =
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getSeedPhraseFromUrl(queryParameters.toString(), credentials['type'] as WalletType);
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if (seed != null) {
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credentials['seed'] = seed;
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}
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credentials.addAll(queryParameters);
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credentials['mode'] = getWalletRestoreMode(credentials);
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switch (credentials['mode']) {
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case WalletRestoreMode.txids:
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return RestoredWallet.fromTxIds(credentials);
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case WalletRestoreMode.seed:
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return RestoredWallet.fromSeed(credentials);
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case WalletRestoreMode.keys:
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return RestoredWallet.fromKey(credentials);
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default:
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throw Exception('Unexpected restore mode: ${credentials['mode']}');
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}
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}
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static String getFormattedUri(String code) {
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final index = code.indexOf(':');
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final scheme = code.substring(0, index).replaceAll('_', '-');
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final query = code.substring(index + 1).replaceAll('?', '&');
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final formattedUri = '$scheme:?$query';
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return formattedUri;
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}
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static WalletType getWalletTypeFromUrl(String scheme) {
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switch (scheme) {
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case 'monero':
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case 'monero-wallet':
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return WalletType.monero;
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case 'bitcoin':
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case 'bitcoin-wallet':
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return WalletType.bitcoin;
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case 'litecoin':
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case 'litecoin-wallet':
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return WalletType.litecoin;
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default:
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throw Exception('Unexpected wallet type: ${scheme.toString()}');
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}
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}
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static String? getAddressFromUrl({required WalletType type, required String rawString}) {
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return AddressResolver.extractAddressByType(
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raw: rawString, type: walletTypeToCryptoCurrency(type));
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}
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static String? getSeedPhraseFromUrl(String rawString, WalletType walletType) {
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switch (walletType) {
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case WalletType.monero:
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RegExp regex25 = RegExp(r'\b(\S+\b\s+){24}\S+\b');
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RegExp regex14 = RegExp(r'\b(\S+\b\s+){13}\S+\b');
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RegExp regex13 = RegExp(r'\b(\S+\b\s+){12}\S+\b');
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if (regex25.firstMatch(rawString) == null) {
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if (regex14.firstMatch(rawString) == null) {
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if (regex13.firstMatch(rawString) == null) {
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return null;
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} else {
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return regex13.firstMatch(rawString)!.group(0)!;
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}
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} else {
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return regex14.firstMatch(rawString)!.group(0)!;
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}
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} else {
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return regex25.firstMatch(rawString)!.group(0)!;
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}
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case WalletType.bitcoin:
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case WalletType.litecoin:
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RegExp regex24 = RegExp(r'\b(\S+\b\s+){23}\S+\b');
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RegExp regex18 = RegExp(r'\b(\S+\b\s+){17}\S+\b');
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RegExp regex12 = RegExp(r'\b(\S+\b\s+){11}\S+\b');
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if (regex24.firstMatch(rawString) == null) {
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if (regex18.firstMatch(rawString) == null) {
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if (regex12.firstMatch(rawString) == null) {
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return null;
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} else {
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return regex12.firstMatch(rawString)!.group(0)!;
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}
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} else {
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return regex18.firstMatch(rawString)!.group(0)!;
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}
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} else {
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return regex24.firstMatch(rawString)!.group(0)!;
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}
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default:
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return null;
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}
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}
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static WalletRestoreMode getWalletRestoreMode(Map<String, dynamic> credentials) {
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final type = credentials['type'] as WalletType;
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if (credentials.containsKey('tx_payment_id')) {
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final txIdValue = credentials['tx_payment_id'] as String? ?? '';
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return txIdValue.isNotEmpty
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? WalletRestoreMode.txids
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: throw Exception('Unexpected restore mode: tx_payment_id is invalid');
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}
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if (credentials.containsKey('seed')) {
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final seedValue = credentials['seed'] as String;
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final words = SeedValidator.getWordList(type: type, language: 'english');
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seedValue.split(' ').forEach((element) {
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if (!words.contains(element)) {
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throw Exception('Unexpected restore mode: mnemonic_seed is invalid');
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}
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});
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return WalletRestoreMode.seed;
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}
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if (credentials.containsKey('spend_key') || credentials.containsKey('view_key')) {
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final spendKeyValue = credentials['spend_key'] as String? ?? '';
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final viewKeyValue = credentials['view_key'] as String? ?? '';
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return spendKeyValue.isNotEmpty || viewKeyValue.isNotEmpty
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? WalletRestoreMode.keys
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: throw Exception('Unexpected restore mode: spend_key or view_key is invalid');
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}
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throw Exception('Unexpected restore mode: restore params are invalid');
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}
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}
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