mirror of
https://github.com/cake-tech/cake_wallet.git
synced 2024-12-23 20:19:25 +00:00
290 lines
8 KiB
Dart
290 lines
8 KiB
Dart
import 'package:flutter/foundation.dart';
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import 'package:mobx/mobx.dart';
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import 'package:cw_monero/wallet.dart';
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import 'package:cw_monero/wallet.dart' as monero_wallet;
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import 'package:cw_monero/transaction_history.dart' as transaction_history;
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import 'package:cake_wallet/monero/monero_transaction_creation_credentials.dart';
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import 'package:cake_wallet/monero/pending_monero_transaction.dart';
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import 'package:cake_wallet/monero/monero_wallet_keys.dart';
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import 'package:cake_wallet/monero/monero_balance.dart';
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import 'package:cake_wallet/monero/monero_transaction_history.dart';
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import 'package:cake_wallet/monero/monero_subaddress_list.dart';
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import 'package:cake_wallet/monero/monero_account_list.dart';
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import 'package:cake_wallet/monero/account.dart';
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import 'package:cake_wallet/monero/subaddress.dart';
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import 'package:cake_wallet/core/pending_transaction.dart';
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import 'package:cake_wallet/core/wallet_base.dart';
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import 'package:cake_wallet/entities/sync_status.dart';
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import 'package:cake_wallet/entities/wallet_info.dart';
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import 'package:cake_wallet/entities/node.dart';
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import 'package:cake_wallet/entities/transaction_priority.dart';
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part 'monero_wallet.g.dart';
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const moneroBlockSize = 1000;
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class MoneroWallet = MoneroWalletBase with _$MoneroWallet;
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abstract class MoneroWalletBase extends WalletBase<MoneroBalance> with Store {
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MoneroWalletBase({String filename, WalletInfo walletInfo})
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: transactionHistory = MoneroTransactionHistory(),
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accountList = MoneroAccountList(),
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subaddressList = MoneroSubaddressList(),
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super(walletInfo) {
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_filename = filename;
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balance = MoneroBalance(
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fullBalance: monero_wallet.getFullBalance(accountIndex: 0),
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unlockedBalance: monero_wallet.getFullBalance(accountIndex: 0));
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_onAccountChangeReaction = reaction((_) => account, (Account account) {
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subaddressList.update(accountIndex: account.id);
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subaddress = subaddressList.subaddresses.first;
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address = subaddress.address;
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});
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}
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@override
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final MoneroTransactionHistory transactionHistory;
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@observable
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Account account;
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@observable
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Subaddress subaddress;
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@override
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@observable
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SyncStatus syncStatus;
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@override
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@observable
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String address;
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@override
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@observable
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MoneroBalance balance;
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@override
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String get seed => monero_wallet.getSeed();
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@override
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MoneroWalletKeys get keys => MoneroWalletKeys(
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privateSpendKey: monero_wallet.getSecretSpendKey(),
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privateViewKey: monero_wallet.getSecretViewKey(),
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publicSpendKey: monero_wallet.getPublicSpendKey(),
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publicViewKey: monero_wallet.getPublicViewKey());
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final MoneroSubaddressList subaddressList;
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final MoneroAccountList accountList;
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String _filename;
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SyncListner _listener;
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ReactionDisposer _onAccountChangeReaction;
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Future<void> init() async {
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await accountList.update();
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account = accountList.accounts.first;
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subaddressList.update(accountIndex: account.id ?? 0);
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subaddress = subaddressList.getAll().first;
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balance = MoneroBalance(
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fullBalance: monero_wallet.getFullBalance(accountIndex: account.id),
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unlockedBalance:
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monero_wallet.getFullBalance(accountIndex: account.id));
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address = subaddress.address;
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_setListeners();
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await transactionHistory.update();
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}
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void close() {
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_listener?.stop();
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_onAccountChangeReaction?.reaction?.dispose();
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}
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@override
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Future<void> connectToNode({@required Node node}) async {
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try {
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syncStatus = ConnectingSyncStatus();
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await monero_wallet.setupNode(
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address: node.uri,
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login: node.login,
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password: node.password,
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useSSL: false,
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// FIXME: hardcoded value
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isLightWallet: false); // FIXME: hardcoded value
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syncStatus = ConnectedSyncStatus();
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} catch (e) {
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syncStatus = FailedSyncStatus();
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print(e);
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}
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}
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@override
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Future<void> startSync() async {
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try {
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_setInitialHeight();
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} catch (_) {}
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try {
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syncStatus = StartingSyncStatus();
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monero_wallet.startRefresh();
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} catch (e) {
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syncStatus = FailedSyncStatus();
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print(e);
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rethrow;
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}
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}
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@override
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Future<PendingTransaction> createTransaction(Object credentials) async {
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final _credentials = credentials as MoneroTransactionCreationCredentials;
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final pendingTransactionDescription =
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await transaction_history.createTransaction(
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address: _credentials.address,
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paymentId: _credentials.paymentId,
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amount: _credentials.amount,
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priorityRaw: _credentials.priority.serialize(),
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accountIndex: account.id);
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return PendingMoneroTransaction(pendingTransactionDescription);
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}
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@override
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double calculateEstimatedFee(TransactionPriority priority) {
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// FIXME: hardcoded value;
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if (priority == TransactionPriority.slow) {
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return 0.00002459;
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}
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if (priority == TransactionPriority.regular) {
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return 0.00012305;
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}
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if (priority == TransactionPriority.medium) {
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return 0.00024503;
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}
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if (priority == TransactionPriority.fast) {
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return 0.00061453;
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}
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if (priority == TransactionPriority.fastest) {
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return 0.0260216;
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}
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return 0;
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}
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@override
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Future<void> save() async {
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await monero_wallet.store();
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}
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Future<int> getNodeHeight() async => monero_wallet.getNodeHeight();
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Future<bool> isConnected() async => monero_wallet.isConnected();
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Future<void> setAsRecovered() async {
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walletInfo.isRecovery = false;
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await walletInfo.save();
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}
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@override
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Future<void> rescan({int height}) async {
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monero_wallet.rescanBlockchainAsync();
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}
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void _setListeners() {
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_listener?.stop();
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_listener = monero_wallet.setListeners(
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_onNewBlock, _onNeedToRefresh, _onNewTransaction);
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_listener.start();
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}
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void _setInitialHeight() {
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if (walletInfo.isRecovery) {
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return;
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}
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final currentHeight = getCurrentHeight();
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if (currentHeight <= 1) {
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final height = _getHeightByDate(walletInfo.date);
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monero_wallet.setRecoveringFromSeed(isRecovery: true);
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monero_wallet.setRefreshFromBlockHeight(height: height);
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}
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}
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int _getHeightDistance(DateTime date) {
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final distance =
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DateTime.now().millisecondsSinceEpoch - date.millisecondsSinceEpoch;
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final daysTmp = (distance / 86400).round();
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final days = daysTmp < 1 ? 1 : daysTmp;
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return days * 1000;
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}
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int _getHeightByDate(DateTime date) {
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final nodeHeight = monero_wallet.getNodeHeightSync();
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final heightDistance = _getHeightDistance(date);
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if (nodeHeight <= 0) {
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return 0;
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}
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return nodeHeight - heightDistance;
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}
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void _askForUpdateBalance() {
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final fullBalance = _getFullBalance();
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final unlockedBalance = _getUnlockedBalance();
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if (balance.fullBalance != fullBalance ||
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balance.unlockedBalance != unlockedBalance) {
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balance = MoneroBalance(
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fullBalance: fullBalance, unlockedBalance: unlockedBalance);
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}
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}
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Future<void> _askForUpdateTransactionHistory() async {
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print('start');
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await transactionHistory.update();
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print('end');
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}
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int _getFullBalance() =>
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monero_wallet.getFullBalance(accountIndex: account.id);
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int _getUnlockedBalance() =>
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monero_wallet.getUnlockedBalance(accountIndex: account.id);
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void _onNewBlock(int height, int blocksLeft, double ptc) =>
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syncStatus = SyncingSyncStatus(blocksLeft, ptc);
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Future _onNeedToRefresh() async {
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if (syncStatus is FailedSyncStatus) {
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return;
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}
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syncStatus = SyncedSyncStatus();
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if (walletInfo.isRecovery) {
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_askForUpdateTransactionHistory();
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}
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final currentHeight = getCurrentHeight();
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final nodeHeight = monero_wallet.getNodeHeightSync();
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if (walletInfo.isRecovery &&
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(nodeHeight - currentHeight < moneroBlockSize)) {
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await setAsRecovered();
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}
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await save();
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}
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void _onNewTransaction() {
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_askForUpdateBalance();
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_askForUpdateTransactionHistory();
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}
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}
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