mirror of
https://github.com/cake-tech/cake_wallet.git
synced 2024-12-23 12:09:43 +00:00
b72443a8c4
* Add ability for change password for wallets classes. * Update generateWalletPassword * Add WalletLoadingService * Add update monero password after wallet loading. * Update version for Cake Wallet to 4.4.2 (103) * Changed version for Cake Wallet to 4.4.3 (104). * Changed version for Cake Wallet android * Changed version for Monero.com ios and android.
393 lines
12 KiB
Dart
393 lines
12 KiB
Dart
import 'dart:async';
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import 'package:cw_core/crypto_currency.dart';
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import 'package:cw_core/transaction_priority.dart';
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import 'package:cw_haven/haven_transaction_creation_credentials.dart';
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import 'package:cw_core/monero_amount_format.dart';
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import 'package:cw_haven/haven_transaction_creation_exception.dart';
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import 'package:cw_haven/haven_transaction_info.dart';
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import 'package:cw_haven/haven_wallet_addresses.dart';
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import 'package:cw_core/monero_wallet_utils.dart';
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import 'package:cw_haven/api/structs/pending_transaction.dart';
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import 'package:flutter/foundation.dart';
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import 'package:mobx/mobx.dart';
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import 'package:cw_haven/api/transaction_history.dart'
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as haven_transaction_history;
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//import 'package:cw_haven/wallet.dart';
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import 'package:cw_haven/api/wallet.dart' as haven_wallet;
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import 'package:cw_haven/api/transaction_history.dart' as transaction_history;
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import 'package:cw_haven/api/monero_output.dart';
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import 'package:cw_haven/pending_haven_transaction.dart';
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import 'package:cw_core/monero_wallet_keys.dart';
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import 'package:cw_core/monero_balance.dart';
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import 'package:cw_haven/haven_transaction_history.dart';
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import 'package:cw_core/account.dart';
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import 'package:cw_core/pending_transaction.dart';
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import 'package:cw_core/wallet_base.dart';
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import 'package:cw_core/sync_status.dart';
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import 'package:cw_core/wallet_info.dart';
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import 'package:cw_core/node.dart';
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import 'package:cw_core/monero_transaction_priority.dart';
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import 'package:cw_haven/haven_balance.dart';
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part 'haven_wallet.g.dart';
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const moneroBlockSize = 1000;
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class HavenWallet = HavenWalletBase with _$HavenWallet;
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abstract class HavenWalletBase extends WalletBase<MoneroBalance,
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HavenTransactionHistory, HavenTransactionInfo> with Store {
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HavenWalletBase({WalletInfo walletInfo})
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: super(walletInfo) {
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transactionHistory = HavenTransactionHistory();
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balance = ObservableMap.of(getHavenBalance(accountIndex: 0));
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_isTransactionUpdating = false;
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_hasSyncAfterStartup = false;
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walletAddresses = HavenWalletAddresses(walletInfo);
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_onAccountChangeReaction = reaction((_) => walletAddresses.account,
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(Account account) {
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balance.addAll(getHavenBalance(accountIndex: account.id));
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walletAddresses.updateSubaddressList(accountIndex: account.id);
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});
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}
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static const int _autoSaveInterval = 30;
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@override
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HavenWalletAddresses walletAddresses;
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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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ObservableMap<CryptoCurrency, MoneroBalance> balance;
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@override
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String get seed => haven_wallet.getSeed();
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@override
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MoneroWalletKeys get keys => MoneroWalletKeys(
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privateSpendKey: haven_wallet.getSecretSpendKey(),
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privateViewKey: haven_wallet.getSecretViewKey(),
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publicSpendKey: haven_wallet.getPublicSpendKey(),
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publicViewKey: haven_wallet.getPublicViewKey());
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haven_wallet.SyncListener _listener;
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ReactionDisposer _onAccountChangeReaction;
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bool _isTransactionUpdating;
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bool _hasSyncAfterStartup;
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Timer _autoSaveTimer;
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Future<void> init() async {
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await walletAddresses.init();
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balance.addAll(getHavenBalance(accountIndex: walletAddresses.account.id ?? 0));
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_setListeners();
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await updateTransactions();
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if (walletInfo.isRecovery) {
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haven_wallet.setRecoveringFromSeed(isRecovery: walletInfo.isRecovery);
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if (haven_wallet.getCurrentHeight() <= 1) {
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haven_wallet.setRefreshFromBlockHeight(
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height: walletInfo.restoreHeight);
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}
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}
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_autoSaveTimer = Timer.periodic(
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Duration(seconds: _autoSaveInterval),
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(_) async => await save());
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}
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@override
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void close() {
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_listener?.stop();
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_onAccountChangeReaction?.reaction?.dispose();
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_autoSaveTimer?.cancel();
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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 haven_wallet.setupNode(
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address: node.uriRaw,
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login: node.login,
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password: node.password,
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useSSL: node.useSSL,
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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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haven_wallet.startRefresh();
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_setListeners();
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_listener?.start();
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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 HavenTransactionCreationCredentials;
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final outputs = _credentials.outputs;
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final hasMultiDestination = outputs.length > 1;
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final assetType = CryptoCurrency.fromString(_credentials.assetType.toLowerCase());
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final balances = getHavenBalance(accountIndex: walletAddresses.account.id);
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final unlockedBalance = balances[assetType].unlockedBalance;
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PendingTransactionDescription pendingTransactionDescription;
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if (!(syncStatus is SyncedSyncStatus)) {
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throw HavenTransactionCreationException('The wallet is not synced.');
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}
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if (hasMultiDestination) {
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if (outputs.any((item) => item.sendAll
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|| item.formattedCryptoAmount <= 0)) {
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throw HavenTransactionCreationException('Wrong balance. Not enough XMR on your balance.');
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}
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final int totalAmount = outputs.fold(0, (acc, value) =>
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acc + value.formattedCryptoAmount);
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if (unlockedBalance < totalAmount) {
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throw HavenTransactionCreationException('Wrong balance. Not enough XMR on your balance.');
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}
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final moneroOutputs = outputs.map((output) =>
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MoneroOutput(
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address: output.address,
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amount: output.cryptoAmount.replaceAll(',', '.')))
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.toList();
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pendingTransactionDescription =
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await transaction_history.createTransactionMultDest(
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outputs: moneroOutputs,
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priorityRaw: _credentials.priority.serialize(),
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accountIndex: walletAddresses.account.id);
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} else {
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final output = outputs.first;
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final address = output.address;
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final amount = output.sendAll
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? null
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: output.cryptoAmount.replaceAll(',', '.');
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final formattedAmount = output.sendAll
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? null
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: output.formattedCryptoAmount;
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if ((formattedAmount != null && unlockedBalance < formattedAmount) ||
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(formattedAmount == null && unlockedBalance <= 0)) {
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final formattedBalance = moneroAmountToString(amount: unlockedBalance);
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throw HavenTransactionCreationException(
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'Incorrect unlocked balance. Unlocked: $formattedBalance. Transaction amount: ${output.cryptoAmount}.');
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}
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pendingTransactionDescription =
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await transaction_history.createTransaction(
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address: address,
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assetType: _credentials.assetType,
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amount: amount,
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priorityRaw: _credentials.priority.serialize(),
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accountIndex: walletAddresses.account.id);
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}
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return PendingHavenTransaction(pendingTransactionDescription, assetType);
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}
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@override
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int calculateEstimatedFee(TransactionPriority priority, int amount) {
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// FIXME: hardcoded value;
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if (priority is MoneroTransactionPriority) {
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switch (priority) {
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case MoneroTransactionPriority.slow:
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return 24590000;
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case MoneroTransactionPriority.regular:
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return 123050000;
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case MoneroTransactionPriority.medium:
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return 245029999;
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case MoneroTransactionPriority.fast:
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return 614530000;
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case MoneroTransactionPriority.fastest:
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return 26021600000;
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}
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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 walletAddresses.updateAddressesInBox();
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await backupWalletFiles(name);
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await haven_wallet.store();
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}
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@override
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Future<void> changePassword(String password) async {
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haven_wallet.setPasswordSync(password);
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}
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Future<int> getNodeHeight() async => haven_wallet.getNodeHeight();
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Future<bool> isConnected() async => haven_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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walletInfo.restoreHeight = height;
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walletInfo.isRecovery = true;
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haven_wallet.setRefreshFromBlockHeight(height: height);
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haven_wallet.rescanBlockchainAsync();
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await startSync();
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_askForUpdateBalance();
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walletAddresses.accountList.update();
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await _askForUpdateTransactionHistory();
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await save();
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await walletInfo.save();
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}
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String getTransactionAddress(int accountIndex, int addressIndex) =>
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haven_wallet.getAddress(
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accountIndex: accountIndex,
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addressIndex: addressIndex);
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@override
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Future<Map<String, HavenTransactionInfo>> fetchTransactions() async {
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haven_transaction_history.refreshTransactions();
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return _getAllTransactions(null).fold<Map<String, HavenTransactionInfo>>(
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<String, HavenTransactionInfo>{},
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(Map<String, HavenTransactionInfo> acc, HavenTransactionInfo tx) {
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acc[tx.id] = tx;
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return acc;
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});
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}
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Future<void> updateTransactions() async {
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try {
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if (_isTransactionUpdating) {
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return;
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}
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_isTransactionUpdating = true;
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final transactions = await fetchTransactions();
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transactionHistory.addMany(transactions);
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await transactionHistory.save();
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_isTransactionUpdating = false;
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} catch (e) {
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print(e);
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_isTransactionUpdating = false;
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}
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}
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List<HavenTransactionInfo> _getAllTransactions(dynamic _) => haven_transaction_history
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.getAllTransations()
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.map((row) => HavenTransactionInfo.fromRow(row))
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.toList();
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void _setListeners() {
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_listener?.stop();
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_listener = haven_wallet.setListeners(_onNewBlock, _onNewTransaction);
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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 = haven_wallet.getCurrentHeight();
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if (currentHeight <= 1) {
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final height = _getHeightByDate(walletInfo.date);
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haven_wallet.setRecoveringFromSeed(isRecovery: true);
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haven_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 = haven_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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balance.addAll(getHavenBalance(accountIndex: walletAddresses.account.id));
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Future<void> _askForUpdateTransactionHistory() async =>
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await updateTransactions();
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void _onNewBlock(int height, int blocksLeft, double ptc) async {
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try {
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if (walletInfo.isRecovery) {
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await _askForUpdateTransactionHistory();
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_askForUpdateBalance();
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walletAddresses.accountList.update();
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}
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if (blocksLeft < 1000) {
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await _askForUpdateTransactionHistory();
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_askForUpdateBalance();
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walletAddresses.accountList.update();
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syncStatus = SyncedSyncStatus();
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if (!_hasSyncAfterStartup) {
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_hasSyncAfterStartup = true;
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await save();
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}
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if (walletInfo.isRecovery) {
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await setAsRecovered();
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}
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} else {
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syncStatus = SyncingSyncStatus(blocksLeft, ptc);
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}
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} catch (e) {
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print(e.toString());
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}
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}
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void _onNewTransaction() async {
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try {
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await _askForUpdateTransactionHistory();
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_askForUpdateBalance();
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await Future<void>.delayed(Duration(seconds: 1));
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} catch (e) {
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print(e.toString());
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}
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}
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}
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