cake_wallet/lib/view_model/dashboard/dashboard_view_model.dart
Omar Hatem c59d39d42d
Generic fixes (#1619)
* update fee rates

* periodically update fees

* minor enhancements

* minor enhancements

* some improvements
add solana node

* handle empty hex as null

* minor improvement

* fix imports

* fix app hanging on splash screen

* update app versions
temporarily disable sign/verify for hardware wallets
2024-08-18 03:37:15 +03:00

752 lines
26 KiB
Dart

import 'dart:convert';
import 'package:cake_wallet/buy/buy_provider.dart';
import 'package:cake_wallet/core/key_service.dart';
import 'package:cake_wallet/entities/auto_generate_subaddress_status.dart';
import 'package:cake_wallet/entities/balance_display_mode.dart';
import 'package:cake_wallet/entities/preferences_key.dart';
import 'package:cake_wallet/entities/provider_types.dart';
import 'package:cake_wallet/entities/exchange_api_mode.dart';
import 'package:cake_wallet/entities/service_status.dart';
import 'package:cake_wallet/exchange/exchange_provider_description.dart';
import 'package:cake_wallet/generated/i18n.dart';
import 'package:cake_wallet/monero/monero.dart';
import 'package:cake_wallet/wownero/wownero.dart' as wow;
import 'package:cake_wallet/nano/nano.dart';
import 'package:cake_wallet/store/anonpay/anonpay_transactions_store.dart';
import 'package:cake_wallet/store/app_store.dart';
import 'package:cake_wallet/store/dashboard/orders_store.dart';
import 'package:cake_wallet/store/dashboard/trade_filter_store.dart';
import 'package:cake_wallet/store/dashboard/trades_store.dart';
import 'package:cake_wallet/store/dashboard/transaction_filter_store.dart';
import 'package:cake_wallet/store/settings_store.dart';
import 'package:cake_wallet/store/yat/yat_store.dart';
import 'package:cake_wallet/utils/mobx.dart';
import 'package:cake_wallet/view_model/dashboard/action_list_item.dart';
import 'package:cake_wallet/view_model/dashboard/anonpay_transaction_list_item.dart';
import 'package:cake_wallet/view_model/dashboard/balance_view_model.dart';
import 'package:cake_wallet/view_model/dashboard/filter_item.dart';
import 'package:cake_wallet/view_model/dashboard/formatted_item_list.dart';
import 'package:cake_wallet/view_model/dashboard/order_list_item.dart';
import 'package:cake_wallet/view_model/dashboard/trade_list_item.dart';
import 'package:cake_wallet/view_model/dashboard/transaction_list_item.dart';
import 'package:cake_wallet/view_model/settings/sync_mode.dart';
import 'package:cake_wallet/wallet_type_utils.dart';
import 'package:cryptography/cryptography.dart';
import 'package:cw_core/balance.dart';
import 'package:cw_core/cake_hive.dart';
import 'package:cw_core/pathForWallet.dart';
import 'package:cw_core/sync_status.dart';
import 'package:cw_core/transaction_history.dart';
import 'package:cw_core/transaction_info.dart';
import 'package:cw_core/utils/file.dart';
import 'package:cw_core/wallet_base.dart';
import 'package:cw_core/wallet_info.dart';
import 'package:cw_core/wallet_type.dart';
import 'package:eth_sig_util/util/utils.dart';
import 'package:flutter/services.dart';
import 'package:mobx/mobx.dart';
import 'package:cake_wallet/bitcoin/bitcoin.dart';
import 'package:http/http.dart' as http;
import 'package:shared_preferences/shared_preferences.dart';
import 'package:cake_wallet/.secrets.g.dart' as secrets;
part 'dashboard_view_model.g.dart';
class DashboardViewModel = DashboardViewModelBase with _$DashboardViewModel;
abstract class DashboardViewModelBase with Store {
DashboardViewModelBase(
{required this.balanceViewModel,
required this.appStore,
required this.tradesStore,
required this.tradeFilterStore,
required this.transactionFilterStore,
required this.settingsStore,
required this.yatStore,
required this.ordersStore,
required this.anonpayTransactionsStore,
required this.sharedPreferences,
required this.keyService})
: hasSellAction = false,
hasBuyAction = false,
hasExchangeAction = false,
isShowFirstYatIntroduction = false,
isShowSecondYatIntroduction = false,
isShowThirdYatIntroduction = false,
filterItems = {
S.current.transactions: [
FilterItem(
value: () => transactionFilterStore.displayAll,
caption: S.current.all_transactions,
onChanged: transactionFilterStore.toggleAll),
FilterItem(
value: () => transactionFilterStore.displayIncoming,
caption: S.current.incoming,
onChanged: transactionFilterStore.toggleIncoming),
FilterItem(
value: () => transactionFilterStore.displayOutgoing,
caption: S.current.outgoing,
onChanged: transactionFilterStore.toggleOutgoing),
// FilterItem(
// value: () => false,
// caption: S.current.transactions_by_date,
// onChanged: null),
],
S.current.trades: [
FilterItem(
value: () => tradeFilterStore.displayAllTrades,
caption: S.current.all_trades,
onChanged: () =>
tradeFilterStore.toggleDisplayExchange(ExchangeProviderDescription.all)),
FilterItem(
value: () => tradeFilterStore.displayChangeNow,
caption: ExchangeProviderDescription.changeNow.title,
onChanged: () =>
tradeFilterStore.toggleDisplayExchange(ExchangeProviderDescription.changeNow)),
FilterItem(
value: () => tradeFilterStore.displaySideShift,
caption: ExchangeProviderDescription.sideShift.title,
onChanged: () =>
tradeFilterStore.toggleDisplayExchange(ExchangeProviderDescription.sideShift)),
FilterItem(
value: () => tradeFilterStore.displaySimpleSwap,
caption: ExchangeProviderDescription.simpleSwap.title,
onChanged: () =>
tradeFilterStore.toggleDisplayExchange(ExchangeProviderDescription.simpleSwap)),
FilterItem(
value: () => tradeFilterStore.displayTrocador,
caption: ExchangeProviderDescription.trocador.title,
onChanged: () =>
tradeFilterStore.toggleDisplayExchange(ExchangeProviderDescription.trocador)),
FilterItem(
value: () => tradeFilterStore.displayExolix,
caption: ExchangeProviderDescription.exolix.title,
onChanged: () =>
tradeFilterStore.toggleDisplayExchange(ExchangeProviderDescription.exolix)),
FilterItem(
value: () => tradeFilterStore.displayThorChain,
caption: ExchangeProviderDescription.thorChain.title,
onChanged: () =>
tradeFilterStore.toggleDisplayExchange(ExchangeProviderDescription.thorChain)),
]
},
subname = '',
name = appStore.wallet!.name,
type = appStore.wallet!.type,
transactions = ObservableList<TransactionListItem>(),
wallet = appStore.wallet! {
name = wallet.name;
type = wallet.type;
isShowFirstYatIntroduction = false;
isShowSecondYatIntroduction = false;
isShowThirdYatIntroduction = false;
updateActions();
final _wallet = wallet;
if (_wallet.type == WalletType.monero) {
subname = monero!.getCurrentAccount(_wallet).label;
_onMoneroAccountChangeReaction = reaction(
(_) => monero!.getMoneroWalletDetails(wallet).account,
(Account account) => _onMoneroAccountChange(_wallet));
_onMoneroBalanceChangeReaction = reaction(
(_) => monero!.getMoneroWalletDetails(wallet).balance,
(MoneroBalance balance) => _onMoneroTransactionsUpdate(_wallet));
final _accountTransactions = _wallet.transactionHistory.transactions.values
.where((tx) =>
monero!.getTransactionInfoAccountId(tx) == monero!.getCurrentAccount(wallet).id)
.toList();
final sortedTransactions = [..._accountTransactions];
sortedTransactions.sort((a, b) => a.date.compareTo(b.date));
transactions = ObservableList.of(sortedTransactions.map((transaction) => TransactionListItem(
transaction: transaction,
balanceViewModel: balanceViewModel,
settingsStore: appStore.settingsStore)));
} else if (_wallet.type == WalletType.wownero) {
subname = wow.wownero!.getCurrentAccount(_wallet).label;
_onMoneroAccountChangeReaction = reaction(
(_) => wow.wownero!.getWowneroWalletDetails(wallet).account,
(wow.Account account) => _onMoneroAccountChange(_wallet));
_onMoneroBalanceChangeReaction = reaction(
(_) => wow.wownero!.getWowneroWalletDetails(wallet).balance,
(wow.WowneroBalance balance) => _onMoneroTransactionsUpdate(_wallet));
final _accountTransactions = _wallet.transactionHistory.transactions.values
.where((tx) =>
wow.wownero!.getTransactionInfoAccountId(tx) ==
wow.wownero!.getCurrentAccount(wallet).id)
.toList();
final sortedTransactions = [..._accountTransactions];
sortedTransactions.sort((a, b) => a.date.compareTo(b.date));
transactions = ObservableList.of(sortedTransactions.map((transaction) => TransactionListItem(
transaction: transaction,
balanceViewModel: balanceViewModel,
settingsStore: appStore.settingsStore)));
} else {
final sortedTransactions = [...wallet.transactionHistory.transactions.values];
sortedTransactions.sort((a, b) => a.date.compareTo(b.date));
transactions = ObservableList.of(sortedTransactions.map((transaction) => TransactionListItem(
transaction: transaction,
balanceViewModel: balanceViewModel,
settingsStore: appStore.settingsStore)));
}
// TODO: nano sub-account generation is disabled:
// if (_wallet.type == WalletType.nano || _wallet.type == WalletType.banano) {
// subname = nano!.getCurrentAccount(_wallet).label;
// }
reaction((_) => appStore.wallet, _onWalletChange);
connectMapToListWithTransform(
appStore.wallet!.transactionHistory.transactions,
transactions,
(TransactionInfo? transaction) => TransactionListItem(
transaction: transaction!,
balanceViewModel: balanceViewModel,
settingsStore: appStore.settingsStore), filter: (TransactionInfo? transaction) {
if (transaction == null) {
return false;
}
final wallet = _wallet;
if (wallet.type == WalletType.monero) {
return monero!.getTransactionInfoAccountId(transaction) ==
monero!.getCurrentAccount(wallet).id;
}
if (wallet.type == WalletType.wownero) {
return wow.wownero!.getTransactionInfoAccountId(transaction) ==
wow.wownero!.getCurrentAccount(wallet).id;
}
return true;
});
if (hasSilentPayments) {
silentPaymentsScanningActive = bitcoin!.getScanningActive(wallet);
reaction((_) => wallet.syncStatus, (SyncStatus syncStatus) {
silentPaymentsScanningActive = bitcoin!.getScanningActive(wallet);
});
}
}
@observable
WalletType type;
@observable
String name;
@observable
ObservableList<TransactionListItem> transactions;
@observable
String subname;
@observable
bool isShowFirstYatIntroduction;
@observable
bool isShowSecondYatIntroduction;
@observable
bool isShowThirdYatIntroduction;
@computed
String get address => wallet.walletAddresses.address;
@computed
SyncStatus get status => wallet.syncStatus;
@computed
String get syncStatusText {
var statusText = '';
if (status is SyncingSyncStatus) {
statusText = S.current.Blocks_remaining(status.toString());
}
if (status is FailedSyncStatus || status is LostConnectionSyncStatus) {
statusText = S.current.please_try_to_connect_to_another_node;
}
return statusText;
}
@computed
BalanceDisplayMode get balanceDisplayMode => appStore.settingsStore.balanceDisplayMode;
@computed
bool get shouldShowMarketPlaceInDashboard =>
appStore.settingsStore.shouldShowMarketPlaceInDashboard;
@computed
List<TradeListItem> get trades =>
tradesStore.trades.where((trade) => trade.trade.walletId == wallet.id).toList();
@computed
List<OrderListItem> get orders =>
ordersStore.orders.where((item) => item.order.walletId == wallet.id).toList();
@computed
List<AnonpayTransactionListItem> get anonpayTransactons => anonpayTransactionsStore.transactions
.where((item) => item.transaction.walletId == wallet.id)
.toList();
@computed
double get price => balanceViewModel.price;
@computed
bool get isAutoGenerateSubaddressesEnabled =>
settingsStore.autoGenerateSubaddressStatus != AutoGenerateSubaddressStatus.disabled;
@computed
List<ActionListItem> get items {
final _items = <ActionListItem>[];
_items.addAll(
transactionFilterStore.filtered(transactions: [...transactions, ...anonpayTransactons]));
_items.addAll(tradeFilterStore.filtered(trades: trades, wallet: wallet));
_items.addAll(orders);
return formattedItemsList(_items);
}
@observable
WalletBase<Balance, TransactionHistoryBase<TransactionInfo>, TransactionInfo> wallet;
@computed
bool get isTestnet => wallet.type == WalletType.bitcoin && bitcoin!.isTestnet(wallet);
@computed
bool get hasRescan =>
wallet.type == WalletType.bitcoin ||
wallet.type == WalletType.monero ||
wallet.type == WalletType.wownero ||
wallet.type == WalletType.haven;
@computed
String? get getMoneroError {
if (wallet.type != WalletType.monero) return null;
try {
monero!.monerocCheck();
} catch (e) {
return e.toString();
}
return null;
}
@computed
String? get getWowneroError {
if (wallet.type != WalletType.wownero) return null;
try {
wow.wownero!.wownerocCheck();
} catch (e) {
return e.toString();
}
return null;
}
List<String> get isMoneroWalletBrokenReasons {
if (wallet.type != WalletType.monero) return [];
final keys = monero!.getKeys(wallet);
List<String> errors = [
// leaving these commented out for now, I'll be able to fix that properly in the airgap update
// to not cause work duplication, this will do the job as well, it will be slightly less precise
// about what happened - but still enough.
// if (keys['privateSpendKey'] == List.generate(64, (index) => "0").join("")) "Private spend key is 0",
if (keys['privateViewKey'] == List.generate(64, (index) => "0").join("")) "private view key is 0",
// if (keys['publicSpendKey'] == List.generate(64, (index) => "0").join("")) "public spend key is 0",
if (keys['publicViewKey'] == List.generate(64, (index) => "0").join("")) "public view key is 0",
// if (wallet.seed == null) "wallet seed is null",
// if (wallet.seed == "") "wallet seed is empty",
if (monero!.getSubaddressList(wallet).getAll(wallet)[0].address == "41d7FXjswpK1111111111111111111111111111111111111111111111111111111111111111111111111111112KhNi4")
"primary address is invalid, you won't be able to receive / spend funds",
];
return errors;
}
@computed
bool get hasSilentPayments => wallet.type == WalletType.bitcoin && !wallet.isHardwareWallet;
@computed
bool get showSilentPaymentsCard => hasSilentPayments && settingsStore.silentPaymentsCardDisplay;
final KeyService keyService;
final SharedPreferences sharedPreferences;
@observable
bool silentPaymentsScanningActive = false;
@action
void setSilentPaymentsScanning(bool active) {
silentPaymentsScanningActive = active;
if (hasSilentPayments) {
bitcoin!.setScanningActive(wallet, active);
}
}
BalanceViewModel balanceViewModel;
AppStore appStore;
SettingsStore settingsStore;
YatStore yatStore;
TradesStore tradesStore;
OrdersStore ordersStore;
TradeFilterStore tradeFilterStore;
AnonpayTransactionsStore anonpayTransactionsStore;
TransactionFilterStore transactionFilterStore;
Map<String, List<FilterItem>> filterItems;
BuyProvider? get defaultBuyProvider => ProvidersHelper.getProviderByType(
settingsStore.defaultBuyProviders[wallet.type] ?? ProviderType.askEachTime);
BuyProvider? get defaultSellProvider => ProvidersHelper.getProviderByType(
settingsStore.defaultSellProviders[wallet.type] ?? ProviderType.askEachTime);
bool get isBuyEnabled => settingsStore.isBitcoinBuyEnabled;
List<BuyProvider> get availableBuyProviders {
final providerTypes = ProvidersHelper.getAvailableBuyProviderTypes(wallet.type);
return providerTypes
.map((type) => ProvidersHelper.getProviderByType(type))
.where((provider) => provider != null)
.cast<BuyProvider>()
.toList();
}
bool get hasBuyProviders => ProvidersHelper.getAvailableBuyProviderTypes(wallet.type).isNotEmpty;
List<BuyProvider> get availableSellProviders {
final providerTypes = ProvidersHelper.getAvailableSellProviderTypes(wallet.type);
return providerTypes
.map((type) => ProvidersHelper.getProviderByType(type))
.where((provider) => provider != null)
.cast<BuyProvider>()
.toList();
}
bool get hasSellProviders =>
ProvidersHelper.getAvailableSellProviderTypes(wallet.type).isNotEmpty;
bool get shouldShowYatPopup => settingsStore.shouldShowYatPopup;
@action
void furtherShowYatPopup(bool shouldShow) => settingsStore.shouldShowYatPopup = shouldShow;
@computed
bool get isEnabledExchangeAction => settingsStore.exchangeStatus != ExchangeApiMode.disabled;
@observable
bool hasExchangeAction;
@computed
bool get isEnabledBuyAction => !settingsStore.disableBuy && hasBuyProviders;
@observable
bool hasBuyAction;
@computed
bool get isEnabledSellAction => !settingsStore.disableSell && hasSellProviders;
@observable
bool hasSellAction;
@computed
bool get isEnabledBulletinAction => !settingsStore.disableBulletin;
ReactionDisposer? _onMoneroAccountChangeReaction;
ReactionDisposer? _onMoneroBalanceChangeReaction;
@computed
bool get hasPowNodes => wallet.type == WalletType.nano || wallet.type == WalletType.banano;
@computed
bool get hasSignMessages {
if (wallet.isHardwareWallet) {
return false;
}
switch (wallet.type) {
case WalletType.monero:
case WalletType.litecoin:
case WalletType.bitcoin:
case WalletType.bitcoinCash:
case WalletType.ethereum:
case WalletType.polygon:
case WalletType.solana:
case WalletType.nano:
case WalletType.banano:
case WalletType.tron:
case WalletType.wownero:
return true;
case WalletType.haven:
case WalletType.none:
return false;
}
}
bool get showRepWarning {
if (wallet.type != WalletType.nano) {
return false;
}
if (!settingsStore.shouldShowRepWarning) {
return false;
}
return !nano!.isRepOk(wallet);
}
Future<void> reconnect() async {
final node = appStore.settingsStore.getCurrentNode(wallet.type);
await wallet.connectToNode(node: node);
if (hasPowNodes) {
final powNode = settingsStore.getCurrentPowNode(wallet.type);
await wallet.connectToPowNode(node: powNode);
}
}
@action
void _onWalletChange(
WalletBase<Balance, TransactionHistoryBase<TransactionInfo>, TransactionInfo>? wallet) {
if (wallet == null) {
return;
}
this.wallet = wallet;
type = wallet.type;
name = wallet.name;
updateActions();
if (wallet.type == WalletType.monero) {
subname = monero!.getCurrentAccount(wallet).label;
_onMoneroAccountChangeReaction?.reaction.dispose();
_onMoneroBalanceChangeReaction?.reaction.dispose();
_onMoneroAccountChangeReaction = reaction(
(_) => monero!.getMoneroWalletDetails(wallet).account,
(Account account) => _onMoneroAccountChange(wallet));
_onMoneroBalanceChangeReaction = reaction(
(_) => monero!.getMoneroWalletDetails(wallet).balance,
(MoneroBalance balance) => _onMoneroTransactionsUpdate(wallet));
_onMoneroTransactionsUpdate(wallet);
} else if (wallet.type == WalletType.wownero) {
subname = wow.wownero!.getCurrentAccount(wallet).label;
_onMoneroAccountChangeReaction?.reaction.dispose();
_onMoneroBalanceChangeReaction?.reaction.dispose();
_onMoneroAccountChangeReaction = reaction(
(_) => wow.wownero!.getWowneroWalletDetails(wallet).account,
(wow.Account account) => _onMoneroAccountChange(wallet));
_onMoneroBalanceChangeReaction = reaction(
(_) => wow.wownero!.getWowneroWalletDetails(wallet).balance,
(wow.WowneroBalance balance) => _onMoneroTransactionsUpdate(wallet));
_onMoneroTransactionsUpdate(wallet);
} else {
// FIX-ME: Check for side effects
// subname = null;
subname = '';
transactions.clear();
transactions.addAll(wallet.transactionHistory.transactions.values.map((transaction) =>
TransactionListItem(
transaction: transaction,
balanceViewModel: balanceViewModel,
settingsStore: appStore.settingsStore)));
}
connectMapToListWithTransform(
appStore.wallet!.transactionHistory.transactions,
transactions,
(TransactionInfo? transaction) => TransactionListItem(
transaction: transaction!,
balanceViewModel: balanceViewModel,
settingsStore: appStore.settingsStore), filter: (TransactionInfo? tx) {
if (tx == null) {
return false;
}
if (wallet.type == WalletType.monero) {
return monero!.getTransactionInfoAccountId(tx) == monero!.getCurrentAccount(wallet).id;
}
if (wallet.type == WalletType.wownero) {
return wow.wownero!.getTransactionInfoAccountId(tx) ==
wow.wownero!.getCurrentAccount(wallet).id;
}
return true;
});
}
@action
void _onMoneroAccountChange(WalletBase wallet) {
if (wallet.type == WalletType.monero) {
subname = monero!.getCurrentAccount(wallet).label;
} else if (wallet.type == WalletType.wownero) {
subname = wow.wownero!.getCurrentAccount(wallet).label;
}
_onMoneroTransactionsUpdate(wallet);
}
@action
void _onMoneroTransactionsUpdate(WalletBase wallet) {
transactions.clear();
if (wallet.type == WalletType.monero) {
final _accountTransactions = monero!
.getTransactionHistory(wallet)
.transactions
.values
.where((tx) =>
monero!.getTransactionInfoAccountId(tx) == monero!.getCurrentAccount(wallet).id)
.toList();
transactions.addAll(_accountTransactions.map((transaction) => TransactionListItem(
transaction: transaction,
balanceViewModel: balanceViewModel,
settingsStore: appStore.settingsStore)));
} else if (wallet.type == WalletType.wownero) {
final _accountTransactions = wow.wownero!
.getTransactionHistory(wallet)
.transactions
.values
.where((tx) =>
wow.wownero!.getTransactionInfoAccountId(tx) ==
wow.wownero!.getCurrentAccount(wallet).id)
.toList();
transactions.addAll(_accountTransactions.map((transaction) => TransactionListItem(
transaction: transaction,
balanceViewModel: balanceViewModel,
settingsStore: appStore.settingsStore)));
}
}
void updateActions() {
hasExchangeAction = !isHaven;
hasBuyAction = !isHaven;
hasSellAction = !isHaven;
}
@computed
SyncMode get syncMode => settingsStore.currentSyncMode;
@action
void setSyncMode(SyncMode syncMode) => settingsStore.currentSyncMode = syncMode;
@computed
bool get syncAll => settingsStore.currentSyncAll;
@action
void setSyncAll(bool value) => settingsStore.currentSyncAll = value;
Future<List<String>> checkForHavenWallets() async {
final walletInfoSource = await CakeHive.openBox<WalletInfo>(WalletInfo.boxName);
return walletInfoSource.values
.where((element) => element.type == WalletType.haven)
.map((e) => e.name)
.toList();
}
Future<List<String>> checkAffectedWallets() async {
try {
// await load file
final vulnerableSeedsString = await rootBundle
.loadString('assets/text/cakewallet_weak_bitcoin_seeds_hashed_sorted_version1.txt');
final vulnerableSeeds = vulnerableSeedsString.split("\n");
final walletInfoSource = await CakeHive.openBox<WalletInfo>(WalletInfo.boxName);
List<String> affectedWallets = [];
for (var walletInfo in walletInfoSource.values) {
if (walletInfo.type == WalletType.bitcoin) {
final password = await keyService.getWalletPassword(walletName: walletInfo.name);
final path = await pathForWallet(name: walletInfo.name, type: walletInfo.type);
final jsonSource = await read(path: path, password: password);
final data = json.decode(jsonSource) as Map;
final mnemonic = data['mnemonic'] as String?;
if (mnemonic == null) continue;
final hash = await Cryptography.instance.sha256().hash(utf8.encode(mnemonic));
final seedSha = bytesToHex(hash.bytes);
if (vulnerableSeeds.contains(seedSha)) {
affectedWallets.add(walletInfo.name);
}
}
}
return affectedWallets;
} catch (_) {
return [];
}
}
Future<ServicesResponse> getServicesStatus() async {
try {
if (isEnabledBulletinAction) {
final uri = Uri.https(
"service-api.cakewallet.com",
"/v1/active-notices",
{'key': secrets.fiatApiKey},
);
final res = await http.get(uri);
if (res.statusCode < 200 || res.statusCode >= 300) {
throw res.body;
}
final oldSha = sharedPreferences.getString(PreferencesKey.serviceStatusShaKey);
final hash = await Cryptography.instance.sha256().hash(utf8.encode(res.body));
final currentSha = bytesToHex(hash.bytes);
final hasUpdates = oldSha != currentSha;
return ServicesResponse.fromJson(
json.decode(res.body) as Map<String, dynamic>,
hasUpdates,
currentSha,
);
} else {
return ServicesResponse([], false, '');
}
} catch (e) {
return ServicesResponse([], false, '');
}
}
Future<void> refreshDashboard() async {
reconnect();
}
}