cake_wallet/lib/entities/default_settings_migration.dart
2021-01-27 15:51:51 +02:00

296 lines
10 KiB
Dart

import 'dart:io' show File, Platform;
import 'package:cake_wallet/bitcoin/bitcoin_transaction_priority.dart';
import 'package:cake_wallet/core/generate_wallet_password.dart';
import 'package:cake_wallet/core/key_service.dart';
import 'package:cake_wallet/di.dart';
import 'package:cake_wallet/entities/pathForWallet.dart';
import 'package:cake_wallet/entities/secret_store_key.dart';
import 'package:cake_wallet/monero/monero_wallet_service.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
import 'package:hive/hive.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:cake_wallet/entities/preferences_key.dart';
import 'package:cake_wallet/entities/wallet_type.dart';
import 'package:cake_wallet/entities/node.dart';
import 'package:cake_wallet/entities/balance_display_mode.dart';
import 'package:cake_wallet/entities/fiat_currency.dart';
import 'package:cake_wallet/entities/node_list.dart';
import 'package:cake_wallet/entities/monero_transaction_priority.dart';
import 'package:cake_wallet/entities/contact.dart';
import 'package:cake_wallet/entities/fs_migration.dart';
import 'package:cake_wallet/entities/wallet_info.dart';
import 'package:cake_wallet/exchange/trade.dart';
import 'package:encrypt/encrypt.dart' as encrypt;
Future defaultSettingsMigration(
{@required int version,
@required SharedPreferences sharedPreferences,
@required FlutterSecureStorage secureStorage,
@required Box<Node> nodes,
@required Box<WalletInfo> walletInfoSource,
@required Box<Trade> tradeSource,
@required Box<Contact> contactSource}) async {
if (Platform.isIOS) {
await ios_migrate_v1(walletInfoSource, tradeSource, contactSource);
}
final currentVersion = sharedPreferences
.getInt(PreferencesKey.currentDefaultSettingsMigrationVersion) ??
0;
if (currentVersion >= version) {
return;
}
final migrationVersionsLength = version - currentVersion;
final migrationVersions = List<int>.generate(
migrationVersionsLength, (i) => currentVersion + (i + 1));
await Future.forEach(migrationVersions, (int version) async {
try {
switch (version) {
case 1:
await sharedPreferences.setString(
PreferencesKey.currentFiatCurrencyKey,
FiatCurrency.usd.toString());
await sharedPreferences.setInt(
PreferencesKey.currentTransactionPriorityKeyLegacy,
MoneroTransactionPriority.standard.raw);
await sharedPreferences.setInt(
PreferencesKey.currentBalanceDisplayModeKey,
BalanceDisplayMode.availableBalance.raw);
await sharedPreferences.setBool('save_recipient_address', true);
await resetToDefault(nodes);
await changeMoneroCurrentNodeToDefault(
sharedPreferences: sharedPreferences, nodes: nodes);
await changeBitcoinCurrentElectrumServerToDefault(
sharedPreferences: sharedPreferences, nodes: nodes);
break;
case 2:
await replaceNodesMigration(nodes: nodes);
await replaceDefaultNode(
sharedPreferences: sharedPreferences, nodes: nodes);
break;
case 3:
await updateNodeTypes(nodes: nodes);
await addBitcoinElectrumServerList(nodes: nodes);
break;
case 4:
await changeBitcoinCurrentElectrumServerToDefault(
sharedPreferences: sharedPreferences, nodes: nodes);
break;
case 5:
await addAddressesForMoneroWallets(walletInfoSource);
break;
case 6:
await updateDisplayModes(sharedPreferences);
break;
case 9:
await generateBackupPassword(secureStorage);
break;
case 10:
await changeTransactionPriorityAndFeeRateKeys(sharedPreferences);
break;
case 11:
await changeDefaultMoneroNode(nodes, sharedPreferences);
break;
default:
break;
}
await sharedPreferences.setInt(
'current_default_settings_migration_version', version);
} catch (e) {
print('Migration error: ${e.toString()}');
}
});
await sharedPreferences.setInt(
'current_default_settings_migration_version', version);
}
Future<void> replaceNodesMigration({@required Box<Node> nodes}) async {
final replaceNodes = <String, Node>{
'eu-node.cakewallet.io:18081':
Node(uri: 'xmr-node-eu.cakewallet.com:18081', type: WalletType.monero),
'node.cakewallet.io:18081': Node(
uri: 'xmr-node-usa-east.cakewallet.com:18081', type: WalletType.monero),
'node.xmr.ru:13666':
Node(uri: 'node.monero.net:18081', type: WalletType.monero)
};
nodes.values.forEach((Node node) async {
final nodeToReplace = replaceNodes[node.uri];
if (nodeToReplace != null) {
node.uri = nodeToReplace.uri;
node.login = nodeToReplace.login;
node.password = nodeToReplace.password;
await node.save();
}
});
}
Future<void> changeMoneroCurrentNodeToDefault(
{@required SharedPreferences sharedPreferences,
@required Box<Node> nodes}) async {
final node = getMoneroDefaultNode(nodes: nodes);
final nodeId = node?.key as int ?? 0; // 0 - England
await sharedPreferences.setInt('current_node_id', nodeId);
}
Node getBitcoinDefaultElectrumServer({@required Box<Node> nodes}) {
final uri = 'electrum.cakewallet.com:50002';
return nodes.values
.firstWhere((Node node) => node.uri == uri, orElse: () => null) ??
nodes.values.firstWhere((node) => node.type == WalletType.bitcoin,
orElse: () => null);
}
Node getMoneroDefaultNode({@required Box<Node> nodes}) {
final timeZone = DateTime.now().timeZoneOffset.inHours;
var nodeUri = '';
if (timeZone >= 1) {
// Eurasia
nodeUri = 'xmr-node-eu.cakewallet.com:18081';
} else if (timeZone <= -4) {
// America
nodeUri = 'xmr-node-usa-east.cakewallet.com:18081';
}
return nodes.values
.firstWhere((Node node) => node.uri == nodeUri, orElse: () => null) ??
nodes.values.first;
}
Future<void> changeBitcoinCurrentElectrumServerToDefault(
{@required SharedPreferences sharedPreferences,
@required Box<Node> nodes}) async {
final server = getBitcoinDefaultElectrumServer(nodes: nodes);
final serverId = server?.key as int ?? 0;
await sharedPreferences.setInt('current_node_id_btc', serverId);
}
Future<void> replaceDefaultNode(
{@required SharedPreferences sharedPreferences,
@required Box<Node> nodes}) async {
const nodesForReplace = <String>[
'xmr-node-uk.cakewallet.com:18081',
'eu-node.cakewallet.io:18081',
'node.cakewallet.io:18081'
];
final currentNodeId = sharedPreferences.getInt('current_node_id');
final currentNode =
nodes.values.firstWhere((Node node) => node.key == currentNodeId);
final needToReplace =
currentNode == null ? true : nodesForReplace.contains(currentNode.uri);
if (!needToReplace) {
return;
}
await changeMoneroCurrentNodeToDefault(
sharedPreferences: sharedPreferences, nodes: nodes);
}
Future<void> updateNodeTypes({@required Box<Node> nodes}) async {
nodes.values.forEach((node) async {
if (node.type == null) {
node.type = WalletType.monero;
await node.save();
}
});
}
Future<void> addBitcoinElectrumServerList({@required Box<Node> nodes}) async {
final serverList = await loadElectrumServerList();
await nodes.addAll(serverList);
}
Future<void> addAddressesForMoneroWallets(
Box<WalletInfo> walletInfoSource) async {
final moneroWalletsInfo =
walletInfoSource.values.where((info) => info.type == WalletType.monero);
moneroWalletsInfo.forEach((info) async {
try {
final walletPath =
await pathForWallet(name: info.name, type: WalletType.monero);
final addressFilePath = '$walletPath.address.txt';
final addressFile = File(addressFilePath);
if (!addressFile.existsSync()) {
return;
}
final addressText = await addressFile.readAsString();
info.address = addressText;
await info.save();
} catch (e) {
print(e.toString());
}
});
}
Future<void> updateDisplayModes(SharedPreferences sharedPreferences) async {
final currentBalanceDisplayMode =
sharedPreferences.getInt(PreferencesKey.currentBalanceDisplayModeKey);
final balanceDisplayMode = currentBalanceDisplayMode < 2 ? 3 : 2;
await sharedPreferences.setInt(
PreferencesKey.currentBalanceDisplayModeKey, balanceDisplayMode);
}
Future<void> generateBackupPassword(FlutterSecureStorage secureStorage) async {
final key = generateStoreKeyFor(key: SecretStoreKey.backupPassword);
if ((await secureStorage.read(key: key))?.isNotEmpty ?? false) {
return;
}
final password = encrypt.Key.fromSecureRandom(32).base16;
await secureStorage.write(key: key, value: password);
}
Future<void> changeTransactionPriorityAndFeeRateKeys(
SharedPreferences sharedPreferences) async {
final legacyTransactionPriority = sharedPreferences
.getInt(PreferencesKey.currentTransactionPriorityKeyLegacy);
await sharedPreferences.setInt(
PreferencesKey.moneroTransactionPriority, legacyTransactionPriority);
await sharedPreferences.setInt(PreferencesKey.bitcoinTransactionPriority,
BitcoinTransactionPriority.medium.serialize());
}
Future<void> changeDefaultMoneroNode(
Box<Node> nodeSource, SharedPreferences sharedPreferences) async {
const cakeWalletMoneroNodeUriPattern = '.cakewallet.com';
const newCakeWalletMoneroUri = 'xmr-node.cakewallet.com:18081';
final currentMoneroNodeId = sharedPreferences.getInt(PreferencesKey.currentNodeIdKey);
final currentMoneroNode = nodeSource.values.firstWhere((node) => node.key == currentMoneroNodeId);
final needToReplaceCurrentMoneroNode = currentMoneroNode.uri.contains(cakeWalletMoneroNodeUriPattern);
nodeSource.values.forEach((node) async {
if (node.type == WalletType.monero && node.uri.contains(cakeWalletMoneroNodeUriPattern)) {
await node.delete();
}
});
final newCakeWalletNode = Node(uri: newCakeWalletMoneroUri, type: WalletType.monero);
await nodeSource.add(newCakeWalletNode);
if (needToReplaceCurrentMoneroNode) {
await sharedPreferences.setInt(PreferencesKey.currentNodeIdKey, newCakeWalletNode.key as int);
}
}