cake_wallet/lib/monero/monero_wallet.dart

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import 'package:flutter/foundation.dart';
import 'package:mobx/mobx.dart';
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import 'package:cw_monero/wallet.dart';
import 'package:cw_monero/wallet.dart' as monero_wallet;
import 'package:cake_wallet/monero/monero_wallet_keys.dart';
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import 'package:cake_wallet/monero/monero_balance.dart';
import 'package:cake_wallet/monero/monero_transaction_history.dart';
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/core/wallet_base.dart';
import 'package:cake_wallet/core/transaction_history.dart';
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import 'package:cake_wallet/src/domain/common/crypto_currency.dart';
import 'package:cake_wallet/src/domain/common/wallet_type.dart';
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import 'package:cake_wallet/src/domain/common/sync_status.dart';
import 'package:cake_wallet/src/domain/monero/account.dart';
import 'package:cake_wallet/src/domain/monero/account_list.dart';
import 'package:cake_wallet/src/domain/monero/subaddress.dart';
import 'package:cake_wallet/src/domain/common/node.dart';
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import 'package:cake_wallet/core/pending_transaction.dart';
import 'package:cake_wallet/src/domain/common/transaction_priority.dart';
import 'package:cake_wallet/src/domain/common/calculate_fiat_amount.dart' as cfa;
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part 'monero_wallet.g.dart';
class MoneroWallet = MoneroWalletBase with _$MoneroWallet;
abstract class MoneroWalletBase extends WalletBase<MoneroBalance> with Store {
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MoneroWalletBase({String filename, this.isRecovery = false})
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: transactionHistory = MoneroTransactionHistory(),
accountList = MoneroAccountList(),
subaddressList = MoneroSubaddressList() {
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_filename = filename;
balance = MoneroBalance(
fullBalance: monero_wallet.getFullBalance(accountIndex: 0),
unlockedBalance: monero_wallet.getFullBalance(accountIndex: 0));
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currency = CryptoCurrency.xmr;
type = WalletType.monero;
_rct = reaction(
(_) => syncStatus, (SyncStatus status) => print(status.toString()));
_onAccountChangeReaction = reaction((_) => account, (Account account) {
subaddressList.update(accountIndex: account.id);
subaddress = subaddressList.subaddresses.first;
address = subaddress.address;
});
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}
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ReactionDisposer _rct;
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@override
final MoneroTransactionHistory transactionHistory;
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@observable
Account account;
@observable
Subaddress subaddress;
@observable
SyncStatus syncStatus;
@override
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String get name => _filename.split('/').last;
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@override
@observable
String address;
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@override
String get seed => monero_wallet.getSeed();
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@override
MoneroWalletKeys get keys => MoneroWalletKeys(
privateSpendKey: monero_wallet.getSecretSpendKey(),
privateViewKey: monero_wallet.getSecretViewKey(),
publicSpendKey: monero_wallet.getPublicSpendKey(),
publicViewKey: monero_wallet.getPublicViewKey());
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final MoneroSubaddressList subaddressList;
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final MoneroAccountList accountList;
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bool isRecovery;
String _filename;
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SyncListner _listener;
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ReactionDisposer _onAccountChangeReaction;
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Future<void> init() async {
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;
balance = MoneroBalance(
fullBalance: monero_wallet.getFullBalance(accountIndex: account.id),
unlockedBalance:
monero_wallet.getFullBalance(accountIndex: account.id));
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address = subaddress.address;
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_setListeners();
}
void close() {
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_listener?.stop();
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_onAccountChangeReaction?.reaction?.dispose();
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}
@override
Future<void> connectToNode({@required Node node}) async {
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final node = Node(uri: 'xmr-node-uk.cakewallet.com:18081');
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try {
syncStatus = ConnectingSyncStatus();
await monero_wallet.setupNode(
address: node.uri,
login: node.login,
password: node.password,
useSSL: false,
// FIXME: hardcoded value
isLightWallet: false); // FIXME: hardcoded value
syncStatus = ConnectedSyncStatus();
} catch (e) {
syncStatus = FailedSyncStatus();
print(e);
}
}
@override
Future<void> startSync() async {
try {
syncStatus = StartingSyncStatus();
monero_wallet.startRefresh();
} catch (e) {
syncStatus = FailedSyncStatus();
print(e);
rethrow;
}
}
@override
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Future<PendingTransaction> createTransaction(Object credentials) async {
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// final _credentials = credentials as MoneroTransactionCreationCredentials;
// final transactionDescription = await transaction_history.createTransaction(
// address: _credentials.address,
// paymentId: _credentials.paymentId,
// amount: _credentials.amount,
// priorityRaw: _credentials.priority.serialize(),
// accountIndex: _account.value.id);
//
// return PendingTransaction.fromTransactionDescription(
// transactionDescription);
}
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@override
double calculateEstimatedFee(TransactionPriority priority) {
// FIXME: hardcoded value;
if (priority == TransactionPriority.slow) {
return 0.00002459;
}
if (priority == TransactionPriority.regular) {
return 0.00012305;
}
if (priority == TransactionPriority.medium) {
return 0.00024503;
}
if (priority == TransactionPriority.fast) {
return 0.00061453;
}
if (priority == TransactionPriority.fastest) {
return 0.0260216;
}
return 0;
}
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@override
Future<void> save() async {
// if (_isSaving) {
// return;
// }
try {
// _isSaving = true;
await monero_wallet.store();
// _isSaving = false;
} catch (e) {
print(e);
// _isSaving = false;
rethrow;
}
}
Future<int> getNodeHeight() async => monero_wallet.getNodeHeight();
Future<bool> isConnected() async => monero_wallet.isConnected();
void _setListeners() {
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_listener?.stop();
_listener = monero_wallet.setListeners(
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_onNewBlock, _onNeedToRefresh, _onNewTransaction);
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_listener.start();
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}
void _askForUpdateBalance() {
final fullBalance = _getFullBalance();
final unlockedBalance = _getUnlockedBalance();
if (balance.fullBalance != fullBalance ||
balance.unlockedBalance != unlockedBalance) {
balance = MoneroBalance(
fullBalance: fullBalance, unlockedBalance: unlockedBalance);
}
}
void _askForUpdateTransactionHistory() =>
null; // await getHistory().update();
int _getFullBalance() =>
monero_wallet.getFullBalance(accountIndex: account.id);
int _getUnlockedBalance() =>
monero_wallet.getUnlockedBalance(accountIndex: account.id);
void _onNewBlock(int height, int blocksLeft, double ptc) =>
syncStatus = SyncingSyncStatus(blocksLeft, ptc);
Future _onNeedToRefresh() async {
if (syncStatus is FailedSyncStatus) {
return;
}
syncStatus = SyncedSyncStatus();
if (isRecovery) {
_askForUpdateTransactionHistory();
}
// if (isRecovery && (nodeHeight - currentHeight < moneroBlockSize)) {
// await setAsRecovered();
// }
await save();
}
void _onNewTransaction() {
_askForUpdateBalance();
_askForUpdateTransactionHistory();
}
}