mirror of
https://github.com/cake-tech/cake_wallet.git
synced 2024-11-01 01:47:41 +00:00
435 lines
14 KiB
Dart
435 lines
14 KiB
Dart
import 'dart:async';
|
|
import 'package:cw_core/transaction_priority.dart';
|
|
import 'package:cw_core/monero_amount_format.dart';
|
|
import 'package:cw_monero/monero_transaction_creation_exception.dart';
|
|
import 'package:cw_monero/monero_transaction_info.dart';
|
|
import 'package:cw_monero/monero_wallet_addresses.dart';
|
|
import 'package:cw_core/monero_wallet_utils.dart';
|
|
import 'package:cw_monero/api/structs/pending_transaction.dart';
|
|
import 'package:flutter/foundation.dart';
|
|
import 'package:mobx/mobx.dart';
|
|
import 'package:cw_monero/api/transaction_history.dart'
|
|
as monero_transaction_history;
|
|
import 'package:cw_monero/api/wallet.dart';
|
|
import 'package:cw_monero/api/wallet.dart' as monero_wallet;
|
|
import 'package:cw_monero/api/transaction_history.dart' as transaction_history;
|
|
import 'package:cw_monero/api/monero_output.dart';
|
|
import 'package:cw_monero/monero_transaction_creation_credentials.dart';
|
|
import 'package:cw_monero/pending_monero_transaction.dart';
|
|
import 'package:cw_core/monero_wallet_keys.dart';
|
|
import 'package:cw_core/monero_balance.dart';
|
|
import 'package:cw_monero/monero_transaction_history.dart';
|
|
import 'package:cw_core/account.dart';
|
|
import 'package:cw_core/pending_transaction.dart';
|
|
import 'package:cw_core/wallet_base.dart';
|
|
import 'package:cw_core/sync_status.dart';
|
|
import 'package:cw_core/wallet_info.dart';
|
|
import 'package:cw_core/node.dart';
|
|
import 'package:cw_core/monero_transaction_priority.dart';
|
|
import 'package:cw_core/crypto_currency.dart';
|
|
|
|
part 'monero_wallet.g.dart';
|
|
|
|
const moneroBlockSize = 1000;
|
|
|
|
class MoneroWallet = MoneroWalletBase with _$MoneroWallet;
|
|
|
|
abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
|
|
MoneroTransactionHistory, MoneroTransactionInfo> with Store {
|
|
MoneroWalletBase({required WalletInfo walletInfo})
|
|
: balance = ObservableMap<CryptoCurrency, MoneroBalance>.of({
|
|
CryptoCurrency.xmr: MoneroBalance(
|
|
fullBalance: monero_wallet.getFullBalance(accountIndex: 0),
|
|
unlockedBalance: monero_wallet.getFullBalance(accountIndex: 0))
|
|
}),
|
|
_isTransactionUpdating = false,
|
|
_hasSyncAfterStartup = false,
|
|
walletAddresses = MoneroWalletAddresses(walletInfo),
|
|
syncStatus = NotConnectedSyncStatus(),
|
|
super(walletInfo) {
|
|
transactionHistory = MoneroTransactionHistory();
|
|
_onAccountChangeReaction = reaction((_) => walletAddresses.account,
|
|
(Account? account) {
|
|
if (account == null) {
|
|
return;
|
|
}
|
|
|
|
balance = ObservableMap<CryptoCurrency, MoneroBalance>.of(
|
|
<CryptoCurrency, MoneroBalance>{
|
|
currency: MoneroBalance(
|
|
fullBalance: monero_wallet.getFullBalance(accountIndex: account.id),
|
|
unlockedBalance:
|
|
monero_wallet.getUnlockedBalance(accountIndex: account.id))
|
|
});
|
|
walletAddresses.updateSubaddressList(accountIndex: account.id);
|
|
});
|
|
}
|
|
|
|
static const int _autoSaveInterval = 30;
|
|
|
|
@override
|
|
MoneroWalletAddresses walletAddresses;
|
|
|
|
@override
|
|
@observable
|
|
SyncStatus syncStatus;
|
|
|
|
@override
|
|
@observable
|
|
ObservableMap<CryptoCurrency, MoneroBalance> balance;
|
|
|
|
@override
|
|
String get seed => monero_wallet.getSeed();
|
|
|
|
@override
|
|
MoneroWalletKeys get keys => MoneroWalletKeys(
|
|
privateSpendKey: monero_wallet.getSecretSpendKey(),
|
|
privateViewKey: monero_wallet.getSecretViewKey(),
|
|
publicSpendKey: monero_wallet.getPublicSpendKey(),
|
|
publicViewKey: monero_wallet.getPublicViewKey());
|
|
|
|
SyncListener? _listener;
|
|
ReactionDisposer? _onAccountChangeReaction;
|
|
bool _isTransactionUpdating;
|
|
bool _hasSyncAfterStartup;
|
|
Timer? _autoSaveTimer;
|
|
|
|
Future<void> init() async {
|
|
await walletAddresses.init();
|
|
balance = ObservableMap<CryptoCurrency, MoneroBalance>.of(
|
|
<CryptoCurrency, MoneroBalance>{
|
|
currency: MoneroBalance(
|
|
fullBalance: monero_wallet.getFullBalance(accountIndex: walletAddresses.account!.id),
|
|
unlockedBalance: monero_wallet.getUnlockedBalance(accountIndex: walletAddresses.account!.id))
|
|
});
|
|
_setListeners();
|
|
await updateTransactions();
|
|
|
|
if (walletInfo.isRecovery) {
|
|
monero_wallet.setRecoveringFromSeed(isRecovery: walletInfo.isRecovery);
|
|
|
|
if (monero_wallet.getCurrentHeight() <= 1) {
|
|
monero_wallet.setRefreshFromBlockHeight(
|
|
height: walletInfo.restoreHeight);
|
|
}
|
|
}
|
|
|
|
_autoSaveTimer = Timer.periodic(
|
|
Duration(seconds: _autoSaveInterval),
|
|
(_) async => await save());
|
|
}
|
|
|
|
@override
|
|
void close() {
|
|
_listener?.stop();
|
|
_onAccountChangeReaction?.reaction.dispose();
|
|
_autoSaveTimer?.cancel();
|
|
}
|
|
|
|
@override
|
|
Future<void> connectToNode({required Node node}) async {
|
|
try {
|
|
syncStatus = ConnectingSyncStatus();
|
|
await monero_wallet.setupNode(
|
|
address: node.uri.toString(),
|
|
login: node.login,
|
|
password: node.password,
|
|
useSSL: node.isSSL,
|
|
isLightWallet: false); // FIXME: hardcoded value
|
|
syncStatus = ConnectedSyncStatus();
|
|
} catch (e) {
|
|
syncStatus = FailedSyncStatus();
|
|
print(e);
|
|
}
|
|
}
|
|
|
|
@override
|
|
Future<void> startSync() async {
|
|
try {
|
|
_setInitialHeight();
|
|
} catch (_) {}
|
|
|
|
try {
|
|
syncStatus = StartingSyncStatus();
|
|
monero_wallet.startRefresh();
|
|
_setListeners();
|
|
_listener?.start();
|
|
} catch (e) {
|
|
syncStatus = FailedSyncStatus();
|
|
print(e);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
@override
|
|
Future<PendingTransaction> createTransaction(Object credentials) async {
|
|
final _credentials = credentials as MoneroTransactionCreationCredentials;
|
|
final outputs = _credentials.outputs;
|
|
final hasMultiDestination = outputs.length > 1;
|
|
final unlockedBalance =
|
|
monero_wallet.getUnlockedBalance(accountIndex: walletAddresses.account!.id);
|
|
|
|
PendingTransactionDescription pendingTransactionDescription;
|
|
|
|
if (!(syncStatus is SyncedSyncStatus)) {
|
|
throw MoneroTransactionCreationException('The wallet is not synced.');
|
|
}
|
|
|
|
if (hasMultiDestination) {
|
|
if (outputs.any((item) => item.sendAll
|
|
|| (item.formattedCryptoAmount ?? 0) <= 0)) {
|
|
throw MoneroTransactionCreationException('Wrong balance. Not enough XMR on your balance.');
|
|
}
|
|
|
|
final int totalAmount = outputs.fold(0, (acc, value) =>
|
|
acc + (value.formattedCryptoAmount ?? 0));
|
|
|
|
if (unlockedBalance < totalAmount) {
|
|
throw MoneroTransactionCreationException('Wrong balance. Not enough XMR on your balance.');
|
|
}
|
|
|
|
final moneroOutputs = outputs.map((output) {
|
|
final outputAddress = output.isParsedAddress
|
|
? output.extractedAddress
|
|
: output.address;
|
|
|
|
return MoneroOutput(
|
|
address: outputAddress!,
|
|
amount: output.cryptoAmount!.replaceAll(',', '.'));
|
|
}).toList();
|
|
|
|
pendingTransactionDescription =
|
|
await transaction_history.createTransactionMultDest(
|
|
outputs: moneroOutputs,
|
|
priorityRaw: _credentials.priority.serialize(),
|
|
accountIndex: walletAddresses.account!.id);
|
|
} else {
|
|
final output = outputs.first;
|
|
final address = output.isParsedAddress
|
|
? output.extractedAddress
|
|
: output.address;
|
|
final amount = output.sendAll
|
|
? null
|
|
: output.cryptoAmount!.replaceAll(',', '.');
|
|
final formattedAmount = output.sendAll
|
|
? null
|
|
: output.formattedCryptoAmount;
|
|
|
|
if ((formattedAmount != null && unlockedBalance < formattedAmount) ||
|
|
(formattedAmount == null && unlockedBalance <= 0)) {
|
|
final formattedBalance = moneroAmountToString(amount: unlockedBalance);
|
|
|
|
throw MoneroTransactionCreationException(
|
|
'Incorrect unlocked balance. Unlocked: $formattedBalance. Transaction amount: ${output.cryptoAmount}.');
|
|
}
|
|
|
|
pendingTransactionDescription =
|
|
await transaction_history.createTransaction(
|
|
address: address!,
|
|
amount: amount,
|
|
priorityRaw: _credentials.priority.serialize(),
|
|
accountIndex: walletAddresses.account!.id);
|
|
}
|
|
|
|
return PendingMoneroTransaction(pendingTransactionDescription);
|
|
}
|
|
|
|
@override
|
|
int calculateEstimatedFee(TransactionPriority priority, int? amount) {
|
|
// FIXME: hardcoded value;
|
|
|
|
if (priority is MoneroTransactionPriority) {
|
|
switch (priority) {
|
|
case MoneroTransactionPriority.slow:
|
|
return 24590000;
|
|
case MoneroTransactionPriority.automatic:
|
|
return 123050000;
|
|
case MoneroTransactionPriority.medium:
|
|
return 245029999;
|
|
case MoneroTransactionPriority.fast:
|
|
return 614530000;
|
|
case MoneroTransactionPriority.fastest:
|
|
return 26021600000;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
@override
|
|
Future<void> save() async {
|
|
await walletAddresses.updateAddressesInBox();
|
|
await backupWalletFiles(name);
|
|
await monero_wallet.store();
|
|
}
|
|
|
|
@override
|
|
Future<void> changePassword(String password) async {
|
|
monero_wallet.setPasswordSync(password);
|
|
}
|
|
|
|
Future<int> getNodeHeight() async => monero_wallet.getNodeHeight();
|
|
|
|
Future<bool> isConnected() async => monero_wallet.isConnected();
|
|
|
|
Future<void> setAsRecovered() async {
|
|
walletInfo.isRecovery = false;
|
|
await walletInfo.save();
|
|
}
|
|
|
|
@override
|
|
Future<void> rescan({required int height}) async {
|
|
walletInfo.restoreHeight = height;
|
|
walletInfo.isRecovery = true;
|
|
monero_wallet.setRefreshFromBlockHeight(height: height);
|
|
monero_wallet.rescanBlockchainAsync();
|
|
await startSync();
|
|
_askForUpdateBalance();
|
|
walletAddresses.accountList.update();
|
|
await _askForUpdateTransactionHistory();
|
|
await save();
|
|
await walletInfo.save();
|
|
}
|
|
|
|
String getTransactionAddress(int accountIndex, int addressIndex) =>
|
|
monero_wallet.getAddress(
|
|
accountIndex: accountIndex,
|
|
addressIndex: addressIndex);
|
|
|
|
@override
|
|
Future<Map<String, MoneroTransactionInfo>> fetchTransactions() async {
|
|
monero_transaction_history.refreshTransactions();
|
|
return _getAllTransactions(null).fold<Map<String, MoneroTransactionInfo>>(
|
|
<String, MoneroTransactionInfo>{},
|
|
(Map<String, MoneroTransactionInfo> acc, MoneroTransactionInfo tx) {
|
|
acc[tx.id] = tx;
|
|
return acc;
|
|
});
|
|
}
|
|
|
|
Future<void> updateTransactions() async {
|
|
try {
|
|
if (_isTransactionUpdating) {
|
|
return;
|
|
}
|
|
|
|
_isTransactionUpdating = true;
|
|
final transactions = await fetchTransactions();
|
|
transactionHistory.addMany(transactions);
|
|
await transactionHistory.save();
|
|
_isTransactionUpdating = false;
|
|
} catch (e) {
|
|
print(e);
|
|
_isTransactionUpdating = false;
|
|
}
|
|
}
|
|
|
|
String getSubaddressLabel(int accountIndex, int addressIndex) {
|
|
return monero_wallet.getSubaddressLabel(accountIndex, addressIndex);
|
|
}
|
|
|
|
List<MoneroTransactionInfo> _getAllTransactions(dynamic _) =>
|
|
monero_transaction_history
|
|
.getAllTransations()
|
|
.map((row) => MoneroTransactionInfo.fromRow(row))
|
|
.toList();
|
|
|
|
void _setListeners() {
|
|
_listener?.stop();
|
|
_listener = monero_wallet.setListeners(_onNewBlock, _onNewTransaction);
|
|
}
|
|
|
|
void _setInitialHeight() {
|
|
if (walletInfo.isRecovery) {
|
|
return;
|
|
}
|
|
|
|
final currentHeight = getCurrentHeight();
|
|
|
|
if (currentHeight <= 1) {
|
|
final height = _getHeightByDate(walletInfo.date);
|
|
monero_wallet.setRecoveringFromSeed(isRecovery: true);
|
|
monero_wallet.setRefreshFromBlockHeight(height: height);
|
|
}
|
|
}
|
|
|
|
int _getHeightDistance(DateTime date) {
|
|
final distance =
|
|
DateTime.now().millisecondsSinceEpoch - date.millisecondsSinceEpoch;
|
|
final daysTmp = (distance / 86400).round();
|
|
final days = daysTmp < 1 ? 1 : daysTmp;
|
|
|
|
return days * 1000;
|
|
}
|
|
|
|
int _getHeightByDate(DateTime date) {
|
|
final nodeHeight = monero_wallet.getNodeHeightSync();
|
|
final heightDistance = _getHeightDistance(date);
|
|
|
|
if (nodeHeight <= 0) {
|
|
return 0;
|
|
}
|
|
|
|
return nodeHeight - heightDistance;
|
|
}
|
|
|
|
void _askForUpdateBalance() {
|
|
final unlockedBalance = _getUnlockedBalance();
|
|
final fullBalance = _getFullBalance();
|
|
|
|
if (balance[currency]!.fullBalance != fullBalance ||
|
|
balance[currency]!.unlockedBalance != unlockedBalance) {
|
|
balance[currency] = MoneroBalance(
|
|
fullBalance: fullBalance, unlockedBalance: unlockedBalance);
|
|
}
|
|
}
|
|
|
|
Future<void> _askForUpdateTransactionHistory() async =>
|
|
await updateTransactions();
|
|
|
|
int _getFullBalance() =>
|
|
monero_wallet.getFullBalance(accountIndex: walletAddresses.account!.id);
|
|
|
|
int _getUnlockedBalance() =>
|
|
monero_wallet.getUnlockedBalance(accountIndex: walletAddresses.account!.id);
|
|
|
|
void _onNewBlock(int height, int blocksLeft, double ptc) async {
|
|
try {
|
|
if (walletInfo.isRecovery) {
|
|
await _askForUpdateTransactionHistory();
|
|
_askForUpdateBalance();
|
|
walletAddresses.accountList.update();
|
|
}
|
|
|
|
if (blocksLeft < 100) {
|
|
await _askForUpdateTransactionHistory();
|
|
_askForUpdateBalance();
|
|
walletAddresses.accountList.update();
|
|
syncStatus = SyncedSyncStatus();
|
|
|
|
if (!_hasSyncAfterStartup) {
|
|
_hasSyncAfterStartup = true;
|
|
await save();
|
|
}
|
|
|
|
if (walletInfo.isRecovery) {
|
|
await setAsRecovered();
|
|
}
|
|
} else {
|
|
syncStatus = SyncingSyncStatus(blocksLeft, ptc);
|
|
}
|
|
} catch (e) {
|
|
print(e.toString());
|
|
}
|
|
}
|
|
|
|
void _onNewTransaction() async {
|
|
try {
|
|
await _askForUpdateTransactionHistory();
|
|
_askForUpdateBalance();
|
|
await Future<void>.delayed(Duration(seconds: 1));
|
|
} catch (e) {
|
|
print(e.toString());
|
|
}
|
|
}
|
|
}
|