cake_wallet/lib/entities/default_settings_migration.dart

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import 'dart:io' show File, Platform;
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import 'package:cake_wallet/bitcoin/bitcoin.dart';
import 'package:cw_core/pathForWallet.dart';
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import 'package:cake_wallet/entities/secret_store_key.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter_secure_storage/flutter_secure_storage.dart';
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import 'package:hive/hive.dart';
import 'package:shared_preferences/shared_preferences.dart';
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import 'package:cake_wallet/entities/preferences_key.dart';
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import 'package:cw_core/wallet_type.dart';
import 'package:cw_core/node.dart';
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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';
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import 'package:cake_wallet/monero/monero.dart';
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import 'package:cake_wallet/entities/contact.dart';
import 'package:cake_wallet/entities/fs_migration.dart';
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import 'package:cw_core/wallet_info.dart';
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import 'package:cake_wallet/exchange/trade.dart';
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import 'package:encrypt/encrypt.dart' as encrypt;
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import 'package:collection/collection.dart';
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const newCakeWalletMoneroUri = 'xmr-node.cakewallet.com:18081';
const cakeWalletBitcoinElectrumUri = 'electrum.cakewallet.com:50002';
const cakeWalletLitecoinElectrumUri = 'ltc-electrum.cakewallet.com:50002';
const havenDefaultNodeUri = 'nodes.havenprotocol.org:443';
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Future defaultSettingsMigration(
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{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 {
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if (Platform.isIOS) {
await ios_migrate_v1(walletInfoSource, tradeSource, contactSource);
}
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final currentVersion = sharedPreferences
.getInt(PreferencesKey.currentDefaultSettingsMigrationVersion) ??
0;
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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(
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PreferencesKey.currentFiatCurrencyKey,
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FiatCurrency.usd.toString());
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await sharedPreferences.setInt(
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PreferencesKey.currentTransactionPriorityKeyLegacy,
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monero!.getDefaultTransactionPriority().raw);
await sharedPreferences.setInt(
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PreferencesKey.currentBalanceDisplayModeKey,
BalanceDisplayMode.availableBalance.raw);
await sharedPreferences.setBool('save_recipient_address', true);
await resetToDefault(nodes);
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await changeMoneroCurrentNodeToDefault(
sharedPreferences: sharedPreferences, nodes: nodes);
await changeBitcoinCurrentElectrumServerToDefault(
sharedPreferences: sharedPreferences, nodes: nodes);
await changeLitecoinCurrentElectrumServerToDefault(
sharedPreferences: sharedPreferences, nodes: nodes);
break;
case 2:
await replaceNodesMigration(nodes: nodes);
await replaceDefaultNode(
sharedPreferences: sharedPreferences, nodes: nodes);
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break;
case 3:
await updateNodeTypes(nodes: nodes);
await addBitcoinElectrumServerList(nodes: nodes);
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break;
case 4:
await changeBitcoinCurrentElectrumServerToDefault(
sharedPreferences: sharedPreferences, nodes: nodes);
break;
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case 5:
await addAddressesForMoneroWallets(walletInfoSource);
break;
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case 6:
await updateDisplayModes(sharedPreferences);
break;
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case 9:
await generateBackupPassword(secureStorage);
break;
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case 10:
await changeTransactionPriorityAndFeeRateKeys(sharedPreferences);
break;
case 11:
await changeDefaultMoneroNode(nodes, sharedPreferences);
break;
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case 12:
await checkCurrentNodes(nodes, sharedPreferences);
break;
case 13:
await resetBitcoinElectrumServer(nodes, sharedPreferences);
break;
case 15:
await addLitecoinElectrumServerList(nodes: nodes);
await changeLitecoinCurrentElectrumServerToDefault(
sharedPreferences: sharedPreferences, nodes: nodes);
await checkCurrentNodes(nodes, sharedPreferences);
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break;
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case 16:
await addHavenNodeList(nodes: nodes);
await changeHavenCurrentNodeToDefault(
sharedPreferences: sharedPreferences, nodes: nodes);
await checkCurrentNodes(nodes, sharedPreferences);
break;
case 17:
await changeDefaultHavenNode(nodes);
break;
default:
break;
}
await sharedPreferences.setInt(
'current_default_settings_migration_version', version);
} catch (e) {
print('Migration error: ${e.toString()}');
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}
});
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await sharedPreferences.setInt(
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'current_default_settings_migration_version', version);
}
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Future<void> replaceNodesMigration({required Box<Node> nodes}) async {
final replaceNodes = <String, Node>{
'eu-node.cakewallet.io:18081':
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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.uriRaw = nodeToReplace.uriRaw;
node.login = nodeToReplace.login;
node.password = nodeToReplace.password;
await node.save();
}
});
}
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Future<void> changeMoneroCurrentNodeToDefault(
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{required SharedPreferences sharedPreferences,
required Box<Node> nodes}) async {
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final node = getMoneroDefaultNode(nodes: nodes);
final nodeId = node?.key as int ?? 0; // 0 - England
await sharedPreferences.setInt('current_node_id', nodeId);
}
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Node? getBitcoinDefaultElectrumServer({required Box<Node> nodes}) {
return nodes.values.firstWhereOrNull(
(Node node) => node.uriRaw == cakeWalletBitcoinElectrumUri)
?? nodes.values.firstWhereOrNull((node) => node.type == WalletType.bitcoin);
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}
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Node? getLitecoinDefaultElectrumServer({required Box<Node> nodes}) {
return nodes.values.firstWhereOrNull(
(Node node) => node.uriRaw == cakeWalletLitecoinElectrumUri)
?? nodes.values.firstWhereOrNull((node) => node.type == WalletType.litecoin);
}
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Node? getHavenDefaultNode({required Box<Node> nodes}) {
return nodes.values.firstWhereOrNull(
(Node node) => node.uriRaw == havenDefaultNodeUri)
?? nodes.values.firstWhereOrNull((node) => node.type == WalletType.haven);
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}
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Node getMoneroDefaultNode({required Box<Node> nodes}) {
final timeZone = DateTime.now().timeZoneOffset.inHours;
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var nodeUri = '';
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if (timeZone >= 1) {
// Eurasia
nodeUri = 'xmr-node-eu.cakewallet.com:18081';
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} else if (timeZone <= -4) {
// America
nodeUri = 'xmr-node-usa-east.cakewallet.com:18081';
}
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try {
return nodes.values
.firstWhere((Node node) => node.uriRaw == nodeUri);
} catch(_) {
return nodes.values.first;
}
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}
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Future<void> changeBitcoinCurrentElectrumServerToDefault(
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{required SharedPreferences sharedPreferences,
required Box<Node> nodes}) async {
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final server = getBitcoinDefaultElectrumServer(nodes: nodes);
final serverId = server?.key as int ?? 0;
await sharedPreferences.setInt('current_node_id_btc', serverId);
}
Future<void> changeLitecoinCurrentElectrumServerToDefault(
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{required SharedPreferences sharedPreferences,
required Box<Node> nodes}) async {
final server = getLitecoinDefaultElectrumServer(nodes: nodes);
final serverId = server?.key as int ?? 0;
await sharedPreferences.setInt('current_node_id_ltc', serverId);
}
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Future<void> changeHavenCurrentNodeToDefault(
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{required SharedPreferences sharedPreferences,
required Box<Node> nodes}) async {
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final node = getHavenDefaultNode(nodes: nodes);
final nodeId = node?.key as int ?? 0;
await sharedPreferences.setInt(PreferencesKey.currentHavenNodeIdKey, nodeId);
}
Future<void> replaceDefaultNode(
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{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 =
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nodes.values.firstWhereOrNull((Node node) => node.key == currentNodeId);
final needToReplace =
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currentNode == null ? true : nodesForReplace.contains(currentNode.uriRaw);
if (!needToReplace) {
return;
}
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await changeMoneroCurrentNodeToDefault(
sharedPreferences: sharedPreferences, nodes: nodes);
}
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Future<void> updateNodeTypes({required Box<Node> nodes}) async {
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nodes.values.forEach((node) async {
if (node.type == null) {
node.type = WalletType.monero;
await node.save();
}
});
}
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Future<void> addBitcoinElectrumServerList({required Box<Node> nodes}) async {
final serverList = await loadBitcoinElectrumServerList();
await nodes.addAll(serverList);
}
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Future<void> addLitecoinElectrumServerList({required Box<Node> nodes}) async {
final serverList = await loadLitecoinElectrumServerList();
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await nodes.addAll(serverList);
}
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Future<void> addHavenNodeList({required Box<Node> nodes}) async {
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final nodeList = await loadDefaultHavenNodes();
await nodes.addAll(nodeList);
}
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());
}
});
}
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Future<void> updateDisplayModes(SharedPreferences sharedPreferences) async {
final currentBalanceDisplayMode =
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sharedPreferences.getInt(PreferencesKey.currentBalanceDisplayModeKey) ?? -1;
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final balanceDisplayMode = currentBalanceDisplayMode < 2 ? 3 : 2;
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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);
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}
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Future<void> changeTransactionPriorityAndFeeRateKeys(
SharedPreferences sharedPreferences) async {
final legacyTransactionPriority = sharedPreferences
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.getInt(PreferencesKey.currentTransactionPriorityKeyLegacy)!;
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await sharedPreferences.setInt(
PreferencesKey.moneroTransactionPriority, legacyTransactionPriority);
await sharedPreferences.setInt(PreferencesKey.bitcoinTransactionPriority,
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bitcoin!.getMediumTransactionPriority().serialize());
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}
Future<void> changeDefaultMoneroNode(
Box<Node> nodeSource, SharedPreferences sharedPreferences) async {
const cakeWalletMoneroNodeUriPattern = '.cakewallet.com';
final currentMoneroNodeId =
sharedPreferences.getInt(PreferencesKey.currentNodeIdKey);
final currentMoneroNode =
nodeSource.values.firstWhere((node) => node.key == currentMoneroNodeId);
final needToReplaceCurrentMoneroNode =
currentMoneroNode.uri.toString().contains(cakeWalletMoneroNodeUriPattern);
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nodeSource.values.forEach((node) async {
if (node.type == WalletType.monero &&
node.uri.toString().contains(cakeWalletMoneroNodeUriPattern)) {
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await node.delete();
}
});
final newCakeWalletNode =
Node(uri: newCakeWalletMoneroUri, type: WalletType.monero);
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await nodeSource.add(newCakeWalletNode);
if (needToReplaceCurrentMoneroNode) {
await sharedPreferences.setInt(
PreferencesKey.currentNodeIdKey, newCakeWalletNode.key as int);
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}
}
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Future<void> checkCurrentNodes(
Box<Node> nodeSource, SharedPreferences sharedPreferences) async {
final currentMoneroNodeId =
sharedPreferences.getInt(PreferencesKey.currentNodeIdKey);
final currentBitcoinElectrumSeverId =
sharedPreferences.getInt(PreferencesKey.currentBitcoinElectrumSererIdKey);
final currentLitecoinElectrumSeverId = sharedPreferences
.getInt(PreferencesKey.currentLitecoinElectrumSererIdKey);
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final currentHavenNodeId = sharedPreferences
.getInt(PreferencesKey.currentHavenNodeIdKey);
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final currentMoneroNode = nodeSource.values.firstWhereOrNull(
(node) => node.key == currentMoneroNodeId);
final currentBitcoinElectrumServer = nodeSource.values.firstWhereOrNull(
(node) => node.key == currentBitcoinElectrumSeverId);
final currentLitecoinElectrumServer = nodeSource.values.firstWhereOrNull(
(node) => node.key == currentLitecoinElectrumSeverId);
final currentHavenNodeServer = nodeSource.values.firstWhereOrNull(
(node) => node.key == currentHavenNodeId);
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if (currentMoneroNode == null) {
final newCakeWalletNode =
Node(uri: newCakeWalletMoneroUri, type: WalletType.monero);
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await nodeSource.add(newCakeWalletNode);
await sharedPreferences.setInt(
PreferencesKey.currentNodeIdKey, newCakeWalletNode.key as int);
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}
if (currentBitcoinElectrumServer == null) {
final cakeWalletElectrum =
Node(uri: cakeWalletBitcoinElectrumUri, type: WalletType.bitcoin);
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await nodeSource.add(cakeWalletElectrum);
await sharedPreferences.setInt(
PreferencesKey.currentBitcoinElectrumSererIdKey,
cakeWalletElectrum.key as int);
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}
if (currentLitecoinElectrumServer == null) {
final cakeWalletElectrum =
Node(uri: cakeWalletLitecoinElectrumUri, type: WalletType.litecoin);
await nodeSource.add(cakeWalletElectrum);
await sharedPreferences.setInt(
PreferencesKey.currentLitecoinElectrumSererIdKey,
cakeWalletElectrum.key as int);
}
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if (currentHavenNodeServer == null) {
final node = Node(uri: havenDefaultNodeUri, type: WalletType.haven);
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await nodeSource.add(node);
await sharedPreferences.setInt(
PreferencesKey.currentHavenNodeIdKey, node.key as int);
}
}
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Future<void> resetBitcoinElectrumServer(
Box<Node> nodeSource, SharedPreferences sharedPreferences) async {
final currentElectrumSeverId =
sharedPreferences.getInt(PreferencesKey.currentBitcoinElectrumSererIdKey);
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final oldElectrumServer = nodeSource.values.firstWhereOrNull(
(node) => node.uri.toString().contains('electrumx.cakewallet.com'));
var cakeWalletNode = nodeSource.values.firstWhereOrNull(
(node) => node.uri.toString() == cakeWalletBitcoinElectrumUri);
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if (cakeWalletNode == null) {
cakeWalletNode =
Node(uri: cakeWalletBitcoinElectrumUri, type: WalletType.bitcoin);
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await nodeSource.add(cakeWalletNode);
}
if (currentElectrumSeverId == oldElectrumServer?.key) {
await sharedPreferences.setInt(
PreferencesKey.currentBitcoinElectrumSererIdKey,
cakeWalletNode.key as int);
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}
await oldElectrumServer?.delete();
}
Future<void> changeDefaultHavenNode(
Box<Node> nodeSource) async {
const previousHavenDefaultNodeUri = 'vault.havenprotocol.org:443';
final havenNodes = nodeSource.values.where(
(node) => node.uriRaw == previousHavenDefaultNodeUri);
havenNodes.forEach((node) async {
node.uriRaw = havenDefaultNodeUri;
await node.save();
});
}