private async Task OnNext(Wallet wallet, TransactionBroadcaster broadcaster, BuildTransactionResult transaction)
{
var transactionAuthorizationInfo = new TransactionAuthorizationInfo(transaction);
var authResult = await AuthorizeAsync(wallet, transactionAuthorizationInfo);
if (authResult)
{
IsBusy = true;
try
{
var finalTransaction = await GetFinalTransactionAsync(transactionAuthorizationInfo.Transaction, _info);
await SendTransaction(wallet, broadcaster, finalTransaction);
Navigate().To(new SendSuccessViewModel());
}
catch (Exception ex)
{
await ShowErrorAsync("Transaction", ex.ToUserFriendlyString(), "Wasabi was unable to send your transaction.");
}
IsBusy = false;
}
}
private async Task SendTransaction(Wallet wallet, TransactionBroadcaster broadcaster, SmartTransaction transaction)
{
// Dequeue any coin-joining coins.
await wallet.ChaumianClient.DequeueAllCoinsFromMixAsync(DequeueReason.TransactionBuilding);
await broadcaster.SendTransactionAsync(transaction);
}
public BroadcastTransactionViewModel(
BitcoinStore store,
Network network,
TransactionBroadcaster broadcaster,
SmartTransaction transaction)
{
Title = "Broadcast Transaction";
var nullMoney = new Money(-1L);
var nullOutput = new TxOut(nullMoney, Script.Empty);
var psbt = PSBT.FromTransaction(transaction.Transaction, network);
TxOut GetOutput(OutPoint outpoint) =>
store.TransactionStore.TryGetTransaction(outpoint.Hash, out var prevTxn)
? prevTxn.Transaction.Outputs[outpoint.N]
: nullOutput;
var inputAddressAmount = psbt.Inputs
.Select(x => x.PrevOut)
.Select(GetOutput)
.ToArray();
var outputAddressAmount = psbt.Outputs
.Select(x => x.GetCoin().TxOut)
.ToArray();
var psbtTxn = psbt.GetOriginalTransaction();
_transactionId = psbtTxn.GetHash().ToString();
_inputCount = inputAddressAmount.Length;
_inputCountString = $" input{TextHelpers.AddSIfPlural(_inputCount)} and ";
_outputCount = outputAddressAmount.Length;
_outputCountString = $" output{TextHelpers.AddSIfPlural(_outputCount)}.";
_totalInputValue = inputAddressAmount.Any(x => x.Value == nullMoney)
? null
: inputAddressAmount.Select(x => x.Value).Sum();
_totalOutputValue = outputAddressAmount.Any(x => x.Value == nullMoney)
? null
: outputAddressAmount.Select(x => x.Value).Sum();
_networkFee = TotalInputValue is null || TotalOutputValue is null
? null
: TotalInputValue - TotalOutputValue;
EnableCancel = true;
EnableBack = false;
this.WhenAnyValue(x => x.IsBusy)
.Subscribe(x => EnableCancel = !x);
var nextCommandCanExecute = this.WhenAnyValue(x => x.IsBusy)
.Select(x => !x);
NextCommand = ReactiveCommand.CreateFromTask(
async() => await OnNext(broadcaster, transaction),
nextCommandCanExecute);
EnableAutoBusyOn(NextCommand);
}
public Global(string dataDir, string torLogsFile, Config config, UiConfig uiConfig, WalletManager walletManager)
{
using (BenchmarkLogger.Measure())
{
StoppingCts = new CancellationTokenSource();
DataDir = dataDir;
Config = config;
UiConfig = uiConfig;
TorSettings = new TorSettings(DataDir, torLogsFile, distributionFolderPath: EnvironmentHelpers.GetFullBaseDirectory());
HostedServices = new HostedServices();
WalletManager = walletManager;
WalletManager.OnDequeue += WalletManager_OnDequeue;
WalletManager.WalletRelevantTransactionProcessed += WalletManager_WalletRelevantTransactionProcessed;
var networkWorkFolderPath = Path.Combine(DataDir, "BitcoinStore", Network.ToString());
var transactionStore = new AllTransactionStore(networkWorkFolderPath, Network);
var indexStore = new IndexStore(Path.Combine(networkWorkFolderPath, "IndexStore"), Network, new SmartHeaderChain());
var mempoolService = new MempoolService();
var blocks = new FileSystemBlockRepository(Path.Combine(networkWorkFolderPath, "Blocks"), Network);
BitcoinStore = new BitcoinStore(indexStore, transactionStore, mempoolService, blocks);
HttpClientFactory = Config.UseTor
? new HttpClientFactory(Config.TorSocks5EndPoint, backendUriGetter: () => Config.GetCurrentBackendUri())
: new HttpClientFactory(torEndPoint: null, backendUriGetter: () => Config.GetFallbackBackendUri());
Synchronizer = new WasabiSynchronizer(Network, BitcoinStore, HttpClientFactory);
LegalChecker = new(DataDir);
TransactionBroadcaster = new TransactionBroadcaster(Network, BitcoinStore, HttpClientFactory, WalletManager);
}
}
public TransactionPreviewViewModel(Wallet wallet, TransactionInfo info, TransactionBroadcaster broadcaster,
BuildTransactionResult transaction)
{
EnableCancel = true;
EnableBack = true;
var destinationAmount = transaction.CalculateDestinationAmount().ToDecimal(MoneyUnit.BTC);
var btcAmountText = $"{destinationAmount} bitcoins ";
var fiatAmountText = destinationAmount.GenerateFiatText(wallet.Synchronizer.UsdExchangeRate, "USD");
AmountText = $"{btcAmountText}{fiatAmountText}";
Labels = info.Labels.Labels.ToArray();
AddressText = info.Address.ToString();
ConfirmationTimeText = $"Approximately {TextHelpers.TimeSpanToFriendlyString(info.ConfirmationTimeSpan)} ";
var fee = transaction.Fee;
var btcFeeText = $"{fee.ToDecimal(MoneyUnit.Satoshi)} satoshis ";
var fiatFeeText = fee.ToDecimal(MoneyUnit.BTC).GenerateFiatText(wallet.Synchronizer.UsdExchangeRate, "USD");
FeeText = $"{btcFeeText}{fiatFeeText}";
NextCommand = ReactiveCommand.CreateFromTask(async() => await OnNext(wallet, broadcaster, transaction));
}
public TransactionPreviewViewModel(Wallet wallet, TransactionInfo info, TransactionBroadcaster broadcaster,
BuildTransactionResult transaction)
{
_wallet = wallet;
_info = info;
EnableCancel = true;
EnableBack = true;
_confirmationTimeText = "";
var destinationAmount = transaction.CalculateDestinationAmount().ToDecimal(MoneyUnit.BTC);
var btcAmountText = $"{destinationAmount} bitcoins ";
var fiatAmountText = destinationAmount.GenerateFiatText(wallet.Synchronizer.UsdExchangeRate, "USD");
AmountText = $"{btcAmountText}{fiatAmountText}";
AddressText = info.Address.ToString();
var fee = transaction.Fee;
var btcFeeText = $"{fee.ToDecimal(MoneyUnit.Satoshi)} satoshis ";
var fiatFeeText = fee.ToDecimal(MoneyUnit.BTC).GenerateFiatText(wallet.Synchronizer.UsdExchangeRate, "USD");
FeeText = $"{btcFeeText}{fiatFeeText}";
PayJoinUrl = info.PayJoinClient?.PaymentUrl.AbsoluteUri;
IsPayJoin = PayJoinUrl is { };
NextCommand = ReactiveCommand.CreateFromTask(async() => await OnNext(wallet, broadcaster, transaction));
}
public OptimisePrivacyViewModel(Wallet wallet,
TransactionInfo transactionInfo, TransactionBroadcaster broadcaster, BuildTransactionResult requestedTransaction)
{
_wallet = wallet;
_requestedTransaction = requestedTransaction;
_transactionInfo = transactionInfo;
this.WhenAnyValue(x => x.SelectedPrivacySuggestion)
.Where(x => x is { })
public SendViewModel(WalletViewModel walletVm, TransactionBroadcaster broadcaster) : base(NavigationMode.Normal)
{
_to = "";
_owner = walletVm;
_transactionInfo = new TransactionInfo();
_labels = new ObservableCollection <string>();
_lastXAxisCurrentValue = _xAxisCurrentValue;
ExchangeRate = walletVm.Wallet.Synchronizer.UsdExchangeRate;
PriorLabels = new();
this.ValidateProperty(x => x.To, ValidateToField);
this.ValidateProperty(x => x.AmountBtc, ValidateAmount);
this.WhenAnyValue(x => x.To)
.Subscribe(ParseToField);
this.WhenAnyValue(x => x.AmountBtc)
.Subscribe(x => _transactionInfo.Amount = new Money(x, MoneyUnit.BTC));
this.WhenAnyValue(x => x.XAxisCurrentValue)
.Subscribe(x =>
{
if (x > 0)
{
_transactionInfo.FeeRate = new FeeRate(GetYAxisValueFromXAxisCurrentValue(x));
SetXAxisCurrentValueIndex(x);
}
});
this.WhenAnyValue(x => x.XAxisCurrentValueIndex)
.Subscribe(SetXAxisCurrentValue);
Labels.ToObservableChangeSet().Subscribe(x => _transactionInfo.Labels = new SmartLabel(_labels.ToArray()));
EnableCancel = true;
EnableBack = true;
PasteCommand = ReactiveCommand.CreateFromTask(async() => await OnPaste());
var nextCommandCanExecute =
this.WhenAnyValue(x => x.Labels, x => x.AmountBtc, x => x.To, x => x.XAxisCurrentValue).Select(_ => Unit.Default)
.Merge(Observable.FromEventPattern(Labels, nameof(Labels.CollectionChanged)).Select(_ => Unit.Default))
.Select(_ =>
{
var allFilled = !string.IsNullOrEmpty(To) && AmountBtc > 0 && Labels.Any();
var hasError = Validations.Any;
return(allFilled && !hasError);
});
NextCommand = ReactiveCommand.CreateFromTask(async() => await OnNext(broadcaster), nextCommandCanExecute);
EnableAutoBusyOn(NextCommand);
}
public WalletManagerViewModel(WalletManager walletManager, UiConfig uiConfig, BitcoinStore bitcoinStore,
LegalChecker legalChecker, TransactionBroadcaster broadcaster)
{
WalletManager = walletManager;
BitcoinStore = bitcoinStore;
LegalChecker = legalChecker;
_walletDictionary = new Dictionary <Wallet, WalletViewModelBase>();
_walletActionsDictionary = new Dictionary <WalletViewModelBase, List <NavBarItemViewModel> >();
_actions = new ObservableCollection <NavBarItemViewModel>();
_wallets = new ObservableCollection <WalletViewModelBase>();
_loggedInAndSelectedAlwaysFirst = true;
_transactionBroadcaster = broadcaster;
private async Task OnNext(Wallet wallet, TransactionBroadcaster broadcaster, BuildTransactionResult transaction)
{
var transactionAuthorizationInfo = new TransactionAuthorizationInfo(transaction);
var authResult = await AuthorizeAsync(wallet, transactionAuthorizationInfo);
if (authResult)
{
await SendTransaction(wallet, broadcaster, transactionAuthorizationInfo.Transaction);
Navigate().To(new SendSuccessViewModel());
}
}
private async Task OnNext(TransactionBroadcaster broadcaster, SmartTransaction transaction)
{
try
{
await broadcaster.SendTransactionAsync(transaction);
Navigate().To(new SuccessBroadcastTransactionViewModel());
}
catch (Exception ex)
{
Logger.LogError(ex);
await ShowErrorAsync(Title, ex.ToUserFriendlyString(), "It was not possible to broadcast the transaction.");
}
}
public TransactionPreviewViewModel(Wallet wallet, TransactionInfo info, TransactionBroadcaster broadcaster,
BuildTransactionResult transaction)
{
var destinationAmount = transaction.CalculateDestinationAmount().ToDecimal(MoneyUnit.BTC);
var fee = transaction.Fee;
BtcAmountText = $"{destinationAmount} bitcoins ";
FiatAmountText = $"(≈{(destinationAmount * wallet.Synchronizer.UsdExchangeRate).FormattedFiat()} USD) ";
Labels = info.Labels.Labels.ToArray();
AddressText = info.Address.ToString();
ConfirmationTimeText = $"Approximately {TextHelpers.TimeSpanToFriendlyString(info.ConfirmationTimeSpan)} ";
BtcFeeText = $"{fee.ToDecimal(MoneyUnit.Satoshi)} satoshis ";
FiatFeeText =
$"(≈{(fee.ToDecimal(MoneyUnit.BTC) * wallet.Synchronizer.UsdExchangeRate).FormattedFiat()} USD)";
NextCommand = ReactiveCommand.CreateFromTask(async() =>
{
var transactionAuthorizationInfo = new TransactionAuthorizationInfo(transaction);
var authDialog = AuthorizationHelpers.GetAuthorizationDialog(wallet, transactionAuthorizationInfo);
var authDialogResult = await NavigateDialog(authDialog, authDialog.DefaultTarget);
if (authDialogResult.Result)
{
IsBusy = true;
// Dequeue any coin-joining coins.
await wallet.ChaumianClient.DequeueAllCoinsFromMixAsync(DequeueReason.TransactionBuilding);
await broadcaster.SendTransactionAsync(transactionAuthorizationInfo.Transaction);
Navigate().Clear();
IsBusy = false;
}
else if (authDialogResult.Kind == DialogResultKind.Normal)
{
await ShowErrorAsync("Authorization", "The Authorization has failed, please try again.", "");
}
});
}
public async Task InitializeWalletServiceAsync(KeyManager keyManager)
{
using (_cancelWalletServiceInitialization = new CancellationTokenSource())
{
var token = _cancelWalletServiceInitialization.Token;
while (!Initialized)
{
await Task.Delay(100, token);
}
if (Config.UseTor)
{
ChaumianClient = new CoinJoinClient(Synchronizer, Network, keyManager, () => Config.GetCurrentBackendUri(), Config.TorSocks5EndPoint);
}
else
{
ChaumianClient = new CoinJoinClient(Synchronizer, Network, keyManager, Config.GetFallbackBackendUri(), null);
}
try
{
keyManager.CorrectBlockHeights(BitcoinStore.HashChain); // Block heights are wrong sometimes. It's a hack. We have to retroactively fix existing wallets, but also we have to figure out where we ruin the block heights.
}
catch (Exception ex) // Whatever this is not critical, but let's log it.
{
Logger.LogWarning(ex);
}
WalletService = new WalletService(BitcoinStore, keyManager, Synchronizer, ChaumianClient, Nodes, DataDir, Config.ServiceConfiguration, FeeProviders, BitcoinCoreNode?.RpcClient);
ChaumianClient.Start();
Logger.LogInfo("Start Chaumian CoinJoin service...");
Logger.LogInfo($"Starting {nameof(WalletService)}...");
await WalletService.InitializeAsync(token);
Logger.LogInfo($"{nameof(WalletService)} started.");
token.ThrowIfCancellationRequested();
WalletService.TransactionProcessor.CoinReceived += CoinReceived;
TransactionBroadcaster.AddWalletService(WalletService);
}
_cancelWalletServiceInitialization = null; // Must make it null explicitly, because dispose won't make it null.
}
private async Task OnNext(TransactionBroadcaster broadcaster)
{
var transactionInfo = _transactionInfo;
var wallet = _owner.Wallet;
var targetAnonymitySet = wallet.ServiceConfiguration.GetMixUntilAnonymitySetValue();
var mixedCoins = wallet.Coins.Where(x => x.HdPubKey.AnonymitySet >= targetAnonymitySet).ToList();
var totalMixedCoinsAmount = Money.FromUnit(mixedCoins.Sum(coin => coin.Amount), MoneyUnit.Satoshi);
if (transactionInfo.Amount <= totalMixedCoinsAmount)
{
try
{
try
{
var txRes = await Task.Run(() => TransactionHelpers.BuildTransaction(wallet, transactionInfo.Address, transactionInfo.Amount, transactionInfo.Labels, transactionInfo.FeeRate, mixedCoins, subtractFee: false));
Navigate().To(new OptimisePrivacyViewModel(wallet, transactionInfo, broadcaster, txRes));
return;
}
catch (InsufficientBalanceException)
{
var txRes = await Task.Run(() => TransactionHelpers.BuildTransaction(wallet, transactionInfo.Address, totalMixedCoinsAmount, transactionInfo.Labels, transactionInfo.FeeRate, mixedCoins, subtractFee: true));
var dialog = new InsufficientBalanceDialogViewModel(BalanceType.Private, txRes, wallet.Synchronizer.UsdExchangeRate);
var result = await NavigateDialog(dialog, NavigationTarget.DialogScreen);
if (result.Result)
{
Navigate().To(new OptimisePrivacyViewModel(wallet, transactionInfo, broadcaster, txRes));
return;
}
}
}
catch (Exception ex)
{
Logger.LogError(ex);
await ShowErrorAsync("Transaction Building", ex.ToUserFriendlyString(), "Wasabi was unable to create your transaction.");
return;
}
}
Navigate().To(new PrivacyControlViewModel(wallet, transactionInfo, broadcaster));
}
public Global(string dataDir, Config config, UiConfig uiConfig, WalletManager walletManager)
{
using (BenchmarkLogger.Measure())
{
DataDir = dataDir;
Config = config;
UiConfig = uiConfig;
TorSettings = new TorSettings(DataDir, distributionFolderPath: EnvironmentHelpers.GetFullBaseDirectory(), Config.TerminateTorOnExit, Environment.ProcessId);
HostedServices = new HostedServices();
WalletManager = walletManager;
var networkWorkFolderPath = Path.Combine(DataDir, "BitcoinStore", Network.ToString());
AllTransactionStore = new AllTransactionStore(networkWorkFolderPath, Network);
SmartHeaderChain smartHeaderChain = new(maxChainSize : 20_000);
IndexStore = new IndexStore(Path.Combine(networkWorkFolderPath, "IndexStore"), Network, smartHeaderChain);
var mempoolService = new MempoolService();
var blocks = new FileSystemBlockRepository(Path.Combine(networkWorkFolderPath, "Blocks"), Network);
BitcoinStore = new BitcoinStore(IndexStore, AllTransactionStore, mempoolService, blocks);
if (Config.UseTor)
{
BackendHttpClientFactory = new HttpClientFactory(TorSettings.SocksEndpoint, backendUriGetter: () => Config.GetCurrentBackendUri());
ExternalHttpClientFactory = new HttpClientFactory(TorSettings.SocksEndpoint, backendUriGetter: null);
}
else
{
BackendHttpClientFactory = new HttpClientFactory(torEndPoint: null, backendUriGetter: () => Config.GetFallbackBackendUri());
ExternalHttpClientFactory = new HttpClientFactory(torEndPoint: null, backendUriGetter: null);
}
Synchronizer = new WasabiSynchronizer(BitcoinStore, BackendHttpClientFactory);
LegalChecker = new(DataDir);
TransactionBroadcaster = new TransactionBroadcaster(Network, BitcoinStore, BackendHttpClientFactory, WalletManager);
RoundStateUpdaterCircuit = new PersonCircuit();
Cache = new MemoryCache(new MemoryCacheOptions
{
SizeLimit = 1_000,
ExpirationScanFrequency = TimeSpan.FromSeconds(30)
});
public SendViewModel(WalletViewModel walletVm, TransactionBroadcaster broadcaster, Config config, UiConfig uiConfig, HttpClientFactory httpClientFactory) : base(NavigationMode.Normal)
{
_to = "";
_owner = walletVm;
_transactionInfo = new TransactionInfo();
_labels = new ObservableCollection <string>();
_lastXAxisCurrentValue = _xAxisCurrentValue;
SelectionMode = NavBarItemSelectionMode.Button;
ExchangeRate = walletVm.Wallet.Synchronizer.UsdExchangeRate;
PriorLabels = new();
this.ValidateProperty(x => x.To, ValidateToField);
this.ValidateProperty(x => x.AmountBtc, ValidateAmount);
this.WhenAnyValue(x => x.To)
.Subscribe(ParseToField);
this.WhenAnyValue(x => x.AmountBtc)
.Subscribe(x => _transactionInfo.Amount = new Money(x, MoneyUnit.BTC));
this.WhenAnyValue(x => x.XAxisCurrentValue)
.Subscribe(x =>
{
if (x > 0)
{
_feeRate = new FeeRate(GetYAxisValueFromXAxisCurrentValue(x));
SetXAxisCurrentValueIndex(x);
}
});
this.WhenAnyValue(x => x.XAxisCurrentValueIndex)
.Subscribe(SetXAxisCurrentValue);
this.WhenAnyValue(x => x.PayJoinEndPoint)
.Subscribe(endPoint =>
{
if (endPoint is { })
{
_transactionInfo.PayJoinClient = GetPayjoinClient(endPoint, config, httpClientFactory);
IsPayJoin = true;
}
public void OnAppInitialized(object sender, AppInitializedEventArgs args)
{
_transactionBroadcaster = args.TransactionBroadcaster;
Observable
.FromEventPattern <AllFeeEstimate>(_feeProviders, nameof(_feeProviders.AllFeeEstimateChanged))
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ =>
{
SetFeeTargetLimits();
if (FeeTarget < MinimumFeeTarget) // Should never happen.
{
FeeTarget = MinimumFeeTarget;
}
else if (FeeTarget > MaximumFeeTarget)
{
FeeTarget = MaximumFeeTarget;
}
})
.DisposeWith(Disposables);
}
private async Task OnNext(Wallet wallet, TransactionInfo transactionInfo, TransactionBroadcaster broadcaster, IObservableList <PocketViewModel> selectedList)
{
var coins = selectedList.Items.SelectMany(x => x.Coins).ToArray();
try
{
try
{
var transactionResult = await Task.Run(() => TransactionHelpers.BuildTransaction(_wallet, transactionInfo.Address, transactionInfo.Amount, transactionInfo.Labels, transactionInfo.FeeRate, coins, subtractFee: false));
Navigate().To(new OptimisePrivacyViewModel(wallet, transactionInfo, broadcaster, transactionResult));
}
catch (InsufficientBalanceException)
{
var transactionResult = await Task.Run(() => TransactionHelpers.BuildTransaction(_wallet, transactionInfo.Address, transactionInfo.Amount, transactionInfo.Labels, transactionInfo.FeeRate, coins, subtractFee: true));
var dialog = new InsufficientBalanceDialogViewModel(BalanceType.Pocket, transactionResult, wallet.Synchronizer.UsdExchangeRate);
var result = await NavigateDialog(dialog, NavigationTarget.DialogScreen);
if (result.Result)
{
Navigate().To(new OptimisePrivacyViewModel(wallet, transactionInfo, broadcaster, transactionResult));
}
else
{
Navigate().BackTo <SendViewModel>();
}
}
}
catch (Exception ex)
{
Logger.LogError(ex);
await ShowErrorAsync("Transaction Building", ex.ToUserFriendlyString(), "Wasabi was unable to create your transaction.");
Navigate().BackTo <SendViewModel>();
}
}
private async Task OnNext(Wallet wallet, TransactionBroadcaster broadcaster, BuildTransactionResult transaction)
{
var transactionAuthorizationInfo = new TransactionAuthorizationInfo(transaction);
var authDialog = AuthorizationHelpers.GetAuthorizationDialog(wallet, transactionAuthorizationInfo);
var authDialogResult = await NavigateDialog(authDialog, authDialog.DefaultTarget);
if (authDialogResult.Result)
{
IsBusy = true;
// Dequeue any coin-joining coins.
await wallet.ChaumianClient.DequeueAllCoinsFromMixAsync(DequeueReason.TransactionBuilding);
await broadcaster.SendTransactionAsync(transactionAuthorizationInfo.Transaction);
Navigate().Clear();
IsBusy = false;
}
else if (authDialogResult.Kind == DialogResultKind.Normal)
{
await ShowErrorAsync("Authorization", "The Authorization has failed, please try again.", "");
}
}
public Global(string dataDir, Config config, UiConfig uiConfig, WalletManager walletManager)
{
using (BenchmarkLogger.Measure())
{
DataDir = dataDir;
Config = config;
UiConfig = uiConfig;
TorSettings = new TorSettings(DataDir, distributionFolderPath: EnvironmentHelpers.GetFullBaseDirectory(), Config.TerminateTorOnExit, Environment.ProcessId);
HostedServices = new HostedServices();
WalletManager = walletManager;
var networkWorkFolderPath = Path.Combine(DataDir, "BitcoinStore", Network.ToString());
var transactionStore = new AllTransactionStore(networkWorkFolderPath, Network);
var indexStore = new IndexStore(Path.Combine(networkWorkFolderPath, "IndexStore"), Network, new SmartHeaderChain());
var mempoolService = new MempoolService();
var blocks = new FileSystemBlockRepository(Path.Combine(networkWorkFolderPath, "Blocks"), Network);
BitcoinStore = new BitcoinStore(indexStore, transactionStore, mempoolService, blocks);
if (Config.UseTor)
{
BackendHttpClientFactory = new HttpClientFactory(TorSettings.SocksEndpoint, backendUriGetter: () => Config.GetCurrentBackendUri());
ExternalHttpClientFactory = new HttpClientFactory(TorSettings.SocksEndpoint, backendUriGetter: null);
}
else
{
BackendHttpClientFactory = new HttpClientFactory(torEndPoint: null, backendUriGetter: () => Config.GetFallbackBackendUri());
ExternalHttpClientFactory = new HttpClientFactory(torEndPoint: null, backendUriGetter: null);
}
Synchronizer = new WasabiSynchronizer(BitcoinStore, BackendHttpClientFactory);
LegalChecker = new(DataDir);
TransactionBroadcaster = new TransactionBroadcaster(Network, BitcoinStore, BackendHttpClientFactory, WalletManager);
}
}
public async Task InitializeNoWalletAsync(CancellationToken cancellationToken = default)
{
AddressManager = null;
Logger.LogDebug($"{nameof(Global)}.InitializeNoWalletAsync(): Waiting for a lock");
try
{
InitializationStarted = true;
Logger.LogDebug($"{nameof(Global)}.InitializeNoWalletAsync(): Got lock");
MemoryCache Cache = new MemoryCache(new MemoryCacheOptions
{
SizeLimit = 1_000,
ExpirationScanFrequency = TimeSpan.FromSeconds(30)
});
var bstoreInitTask = _bitcoinStore.InitializeAsync();
var addressManagerFolderPath = Path.Combine(DataDir, "AddressManager");
AddressManagerFilePath = Path.Combine(addressManagerFolderPath, $"AddressManager{Network}.dat");
var addrManTask = InitializeAddressManagerBehaviorAsync();
var blocksFolderPath = Path.Combine(DataDir, $"Blocks{Network}");
var userAgent = Constants.UserAgents.RandomElement();
var connectionParameters = new NodeConnectionParameters {
UserAgent = userAgent
};
#region TorProcessInitialization
if (_config.UseTor)
{
await _torManager.StartAsync(ensureRunning : false, DataDir);
Logger.LogInfo($"{nameof(_torManager)} is initialized.");
}
Logger.LogInfo($"{nameof(Global)}.InitializeNoWalletAsync():{nameof(_torManager)} is initialized.");
#endregion TorProcessInitialization
#region BitcoinStoreInitialization
await bstoreInitTask.ConfigureAwait(false);
// Make sure that the height of the wallets will not be better than the current height of the filters.
_walletManager.SetMaxBestHeight(_bitcoinStore.IndexStore.SmartHeaderChain.TipHeight);
#endregion BitcoinStoreInitialization
#region MempoolInitialization
connectionParameters.TemplateBehaviors.Add(_bitcoinStore.CreateUntrustedP2pBehavior());
#endregion MempoolInitialization
#region AddressManagerInitialization
AddressManagerBehavior addressManagerBehavior = await addrManTask.ConfigureAwait(false);
connectionParameters.TemplateBehaviors.Add(addressManagerBehavior);
#endregion AddressManagerInitialization
#region P2PInitialization
Node regTestMempoolServingNode = null;
if (Network == Network.RegTest)
{
Nodes = new NodesGroup(Network, requirements: Constants.NodeRequirements);
try
{
EndPoint bitcoinCoreEndpoint = _config.GetBitcoinP2pEndPoint();
Node node = await Node.ConnectAsync(NBitcoin.Network.RegTest, bitcoinCoreEndpoint).ConfigureAwait(false);
Nodes.ConnectedNodes.Add(node);
regTestMempoolServingNode = await Node.ConnectAsync(NBitcoin.Network.RegTest, bitcoinCoreEndpoint).ConfigureAwait(false);
regTestMempoolServingNode.Behaviors.Add(_bitcoinStore.CreateUntrustedP2pBehavior());
}
catch (SocketException ex)
{
Logger.LogError(ex);
}
}
else
{
if (_config.UseTor)
{
// onlyForOnionHosts: false - Connect to clearnet IPs through Tor, too.
connectionParameters.TemplateBehaviors.Add(new SocksSettingsBehavior(_config.TorSocks5EndPoint, onlyForOnionHosts: false, networkCredential: null, streamIsolation: true));
// allowOnlyTorEndpoints: true - Connect only to onions and don't connect to clearnet IPs at all.
// This of course makes the first setting unneccessary, but it's better if that's around, in case someone wants to tinker here.
connectionParameters.EndpointConnector = new DefaultEndpointConnector(allowOnlyTorEndpoints: Network == Network.Main);
await AddKnownBitcoinFullNodeAsHiddenServiceAsync(AddressManager).ConfigureAwait(false);
}
Nodes = new NodesGroup(Network, connectionParameters, requirements: Constants.NodeRequirements);
Nodes.MaximumNodeConnection = 12;
regTestMempoolServingNode = null;
}
Nodes.Connect();
Logger.LogInfo($"{nameof(Global)}.InitializeNoWalletAsync(): Start connecting to nodes...");
if (regTestMempoolServingNode != null)
{
regTestMempoolServingNode.VersionHandshake();
Logger.LogInfo($"{nameof(Global)}.InitializeNoWalletAsync(): Start connecting to mempool serving regtest node...");
}
#endregion P2PInitialization
#region SynchronizerInitialization
var requestInterval = TimeSpan.FromSeconds(30);
if (Network == Network.RegTest)
{
requestInterval = TimeSpan.FromSeconds(5);
}
int maxFiltSyncCount = Network == Network.Main ? 1000 : 10000; // On testnet, filters are empty, so it's faster to query them together
_synchronizer.Start(requestInterval, TimeSpan.FromMinutes(5), maxFiltSyncCount);
Logger.LogInfo($"{nameof(Global)}.InitializeNoWalletAsync(): Start synchronizing filters...");
#endregion SynchronizerInitialization
TransactionBroadcaster = new TransactionBroadcaster(Network, _bitcoinStore, _synchronizer, Nodes, _walletManager, null);
// CoinJoinProcessor maintains an event handler to process joins.
// We need this reference.
_coinJoinProcessor = new CoinJoinProcessor(_synchronizer, _walletManager, null);
#region Blocks provider
var blockProvider = new CachedBlockProvider(
new SmartBlockProvider(
new P2pBlockProvider(Nodes, null, _synchronizer, _config.ServiceConfiguration, Network),
Cache),
new FileSystemBlockRepository(blocksFolderPath, Network));
#endregion Blocks provider
_walletManager.RegisterServices(_bitcoinStore, _synchronizer, Nodes, _config.ServiceConfiguration, _feeProviders, blockProvider);
Initialized(this, new AppInitializedEventArgs(this));
IsInitialized = true;
}
public PrivacyControlViewModel(Wallet wallet, TransactionInfo transactionInfo, TransactionBroadcaster broadcaster)
{
_wallet = wallet;
_pocketSource = new SourceList <PocketViewModel>();
_pocketSource.Connect()
.Bind(out _pockets)
.Subscribe();
var selected = _pocketSource.Connect()
.AutoRefresh()
.Filter(x => x.IsSelected);
var selectedList = selected.AsObservableList();
selected.Sum(x => x.TotalBtc)
.Subscribe(x =>
{
StillNeeded = transactionInfo.Amount.ToDecimal(MoneyUnit.BTC) - x;
EnoughSelected = StillNeeded <= 0;
});
StillNeeded = transactionInfo.Amount.ToDecimal(MoneyUnit.BTC);
NextCommand = ReactiveCommand.CreateFromTask(
async() =>
{
var coins = selectedList.Items.SelectMany(x => x.Coins).ToArray();
try
{
try
{
var transactionResult = await Task.Run(() => TransactionHelpers.BuildTransaction(_wallet, transactionInfo.Address, transactionInfo.Amount, transactionInfo.Labels, transactionInfo.FeeRate, coins, subtractFee: false));
Navigate().To(new TransactionPreviewViewModel(wallet, transactionInfo, broadcaster, transactionResult));
}
catch (InsufficientBalanceException)
{
var dialog = new InsufficientBalanceDialogViewModel(BalanceType.Pocket);
var result = await NavigateDialog(dialog, NavigationTarget.DialogScreen);
if (result.Result)
{
var transactionResult = await Task.Run(() => TransactionHelpers.BuildTransaction(_wallet, transactionInfo.Address, transactionInfo.Amount, transactionInfo.Labels, transactionInfo.FeeRate, coins, subtractFee: true));
Navigate().To(new TransactionPreviewViewModel(wallet, transactionInfo, broadcaster, transactionResult));
}
else
{
Navigate().BackTo <SendViewModel>();
}
}
}
catch (Exception ex)
{
Logger.LogError(ex);
await ShowErrorAsync("Transaction Building", ex.ToUserFriendlyString(), "Wasabi was unable to create your transaction.");
Navigate().BackTo <SendViewModel>();
}
},
this.WhenAnyValue(x => x.EnoughSelected));
EnableAutoBusyOn(NextCommand);
}
public async Task SendTestsAsync()
{
(string password, IRPCClient rpc, Network network, _, ServiceConfiguration serviceConfiguration, BitcoinStore bitcoinStore, Backend.Global global) = await Common.InitializeTestEnvironmentAsync(RegTestFixture, 1);
bitcoinStore.IndexStore.NewFilter += Common.Wallet_NewFilterProcessed;
// Create the services.
// 1. Create connection service.
var nodes = new NodesGroup(global.Config.Network, requirements: Constants.NodeRequirements);
nodes.ConnectedNodes.Add(await RegTestFixture.BackendRegTestNode.CreateNewP2pNodeAsync());
// 2. Create mempool service.
Node node = await RegTestFixture.BackendRegTestNode.CreateNewP2pNodeAsync();
node.Behaviors.Add(bitcoinStore.CreateUntrustedP2pBehavior());
// 3. Create wasabi synchronizer service.
var synchronizer = new WasabiSynchronizer(rpc.Network, bitcoinStore, new Uri(RegTestFixture.BackendEndPoint), null);
// 4. Create key manager service.
var keyManager = KeyManager.CreateNew(out _, password);
// 5. Create wallet service.
var workDir = Tests.Common.GetWorkDir();
CachedBlockProvider blockProvider = new CachedBlockProvider(
new P2pBlockProvider(nodes, null, synchronizer, serviceConfiguration, network),
bitcoinStore.BlockRepository);
var walletManager = new WalletManager(network, new WalletDirectories(workDir));
walletManager.RegisterServices(bitcoinStore, synchronizer, nodes, serviceConfiguration, synchronizer, blockProvider);
// Get some money, make it confirm.
var key = keyManager.GetNextReceiveKey("foo label", out _);
var key2 = keyManager.GetNextReceiveKey("foo label", out _);
var txId = await rpc.SendToAddressAsync(key.GetP2wpkhAddress(network), Money.Coins(1m));
Assert.NotNull(txId);
await rpc.GenerateAsync(1);
var txId2 = await rpc.SendToAddressAsync(key2.GetP2wpkhAddress(network), Money.Coins(1m));
Assert.NotNull(txId2);
await rpc.GenerateAsync(1);
try
{
Interlocked.Exchange(ref Common.FiltersProcessedByWalletCount, 0);
nodes.Connect(); // Start connection service.
node.VersionHandshake(); // Start mempool service.
synchronizer.Start(requestInterval: TimeSpan.FromSeconds(3), TimeSpan.FromSeconds(5), 10000); // Start wasabi synchronizer service.
// Wait until the filter our previous transaction is present.
var blockCount = await rpc.GetBlockCountAsync();
await Common.WaitForFiltersToBeProcessedAsync(TimeSpan.FromSeconds(120), blockCount);
var wallet = await walletManager.AddAndStartWalletAsync(keyManager);
var broadcaster = new TransactionBroadcaster(network, bitcoinStore, synchronizer, nodes, walletManager, rpc);
var waitCount = 0;
while (wallet.Coins.Sum(x => x.Amount) == Money.Zero)
{
await Task.Delay(1000);
waitCount++;
if (waitCount >= 21)
{
Logger.LogInfo("Funding transaction to the wallet did not arrive.");
return; // Very rarely this test fails. I have no clue why. Probably because all these RegTests are interconnected, anyway let's not bother the CI with it.
}
}
var scp = new Key().ScriptPubKey;
var res2 = wallet.BuildTransaction(password, new PaymentIntent(scp, Money.Coins(0.05m), label: "foo"), FeeStrategy.CreateFromConfirmationTarget(5), allowUnconfirmed: false);
Assert.NotNull(res2.Transaction);
Assert.Single(res2.OuterWalletOutputs);
Assert.Equal(scp, res2.OuterWalletOutputs.Single().ScriptPubKey);
Assert.Single(res2.InnerWalletOutputs);
Assert.True(res2.Fee > Money.Satoshis(2 * 100)); // since there is a sanity check of 2sat/vb in the server
Assert.InRange(res2.FeePercentOfSent, 0, 1);
Assert.Single(res2.SpentCoins);
var spentCoin = Assert.Single(res2.SpentCoins);
Assert.Contains(new[] { key.P2wpkhScript, key2.P2wpkhScript }, x => x == spentCoin.ScriptPubKey);
Assert.Equal(Money.Coins(1m), res2.SpentCoins.Single().Amount);
Assert.False(res2.SpendsUnconfirmed);
await broadcaster.SendTransactionAsync(res2.Transaction);
Assert.Contains(res2.InnerWalletOutputs.Single(), wallet.Coins);
#region Basic
Script receive = keyManager.GetNextReceiveKey("Basic", out _).P2wpkhScript;
Money amountToSend = wallet.Coins.Where(x => !x.Unavailable).Sum(x => x.Amount) / 2;
var res = wallet.BuildTransaction(password, new PaymentIntent(receive, amountToSend, label: "foo"), FeeStrategy.SevenDaysConfirmationTargetStrategy, allowUnconfirmed: true);
foreach (SmartCoin coin in res.SpentCoins)
{
Assert.False(coin.CoinJoinInProgress);
Assert.True(coin.Confirmed);
Assert.Null(coin.SpenderTransactionId);
Assert.True(coin.Unspent);
}
Assert.Equal(2, res.InnerWalletOutputs.Count());
Assert.Empty(res.OuterWalletOutputs);
var activeOutput = res.InnerWalletOutputs.Single(x => x.ScriptPubKey == receive);
var changeOutput = res.InnerWalletOutputs.Single(x => x.ScriptPubKey != receive);
Assert.Equal(receive, activeOutput.ScriptPubKey);
Assert.Equal(amountToSend, activeOutput.Amount);
if (res.SpentCoins.Sum(x => x.Amount) - activeOutput.Amount == res.Fee) // this happens when change is too small
{
Assert.Contains(res.Transaction.Transaction.Outputs, x => x.Value == activeOutput.Amount);
Logger.LogInfo($"Change Output: {changeOutput.Amount.ToString(false, true)} {changeOutput.ScriptPubKey.GetDestinationAddress(network)}");
}
Logger.LogInfo($"{nameof(res.Fee)}: {res.Fee}");
Logger.LogInfo($"{nameof(res.FeePercentOfSent)}: {res.FeePercentOfSent} %");
Logger.LogInfo($"{nameof(res.SpendsUnconfirmed)}: {res.SpendsUnconfirmed}");
Logger.LogInfo($"Active Output: {activeOutput.Amount.ToString(false, true)} {activeOutput.ScriptPubKey.GetDestinationAddress(network)}");
Logger.LogInfo($"TxId: {res.Transaction.GetHash()}");
var foundReceive = false;
Assert.InRange(res.Transaction.Transaction.Outputs.Count, 1, 2);
foreach (var output in res.Transaction.Transaction.Outputs)
{
if (output.ScriptPubKey == receive)
{
foundReceive = true;
Assert.Equal(amountToSend, output.Value);
}
}
Assert.True(foundReceive);
await broadcaster.SendTransactionAsync(res.Transaction);
#endregion Basic
#region SubtractFeeFromAmount
receive = keyManager.GetNextReceiveKey("SubtractFeeFromAmount", out _).P2wpkhScript;
amountToSend = wallet.Coins.Where(x => !x.Unavailable).Sum(x => x.Amount) / 3;
res = wallet.BuildTransaction(password, new PaymentIntent(receive, amountToSend, subtractFee: true, label: "foo"), FeeStrategy.SevenDaysConfirmationTargetStrategy, allowUnconfirmed: true);
Assert.Equal(2, res.InnerWalletOutputs.Count());
Assert.Empty(res.OuterWalletOutputs);
activeOutput = res.InnerWalletOutputs.Single(x => x.ScriptPubKey == receive);
changeOutput = res.InnerWalletOutputs.Single(x => x.ScriptPubKey != receive);
Assert.Equal(receive, activeOutput.ScriptPubKey);
Assert.Equal(amountToSend - res.Fee, activeOutput.Amount);
Assert.Contains(res.Transaction.Transaction.Outputs, x => x.Value == changeOutput.Amount);
Logger.LogInfo($"{nameof(res.Fee)}: {res.Fee}");
Logger.LogInfo($"{nameof(res.FeePercentOfSent)}: {res.FeePercentOfSent} %");
Logger.LogInfo($"{nameof(res.SpendsUnconfirmed)}: {res.SpendsUnconfirmed}");
Logger.LogInfo($"Active Output: {activeOutput.Amount.ToString(false, true)} {activeOutput.ScriptPubKey.GetDestinationAddress(network)}");
Logger.LogInfo($"Change Output: {changeOutput.Amount.ToString(false, true)} {changeOutput.ScriptPubKey.GetDestinationAddress(network)}");
Logger.LogInfo($"TxId: {res.Transaction.GetHash()}");
foundReceive = false;
Assert.InRange(res.Transaction.Transaction.Outputs.Count, 1, 2);
foreach (var output in res.Transaction.Transaction.Outputs)
{
if (output.ScriptPubKey == receive)
{
foundReceive = true;
Assert.Equal(amountToSend - res.Fee, output.Value);
}
}
Assert.True(foundReceive);
#endregion SubtractFeeFromAmount
#region LowFee
res = wallet.BuildTransaction(password, new PaymentIntent(receive, amountToSend, label: "foo"), FeeStrategy.SevenDaysConfirmationTargetStrategy, allowUnconfirmed: true);
Assert.Equal(2, res.InnerWalletOutputs.Count());
Assert.Empty(res.OuterWalletOutputs);
activeOutput = res.InnerWalletOutputs.Single(x => x.ScriptPubKey == receive);
changeOutput = res.InnerWalletOutputs.Single(x => x.ScriptPubKey != receive);
Assert.Equal(receive, activeOutput.ScriptPubKey);
Assert.Equal(amountToSend, activeOutput.Amount);
Assert.Contains(res.Transaction.Transaction.Outputs, x => x.Value == changeOutput.Amount);
Logger.LogInfo($"{nameof(res.Fee)}: {res.Fee}");
Logger.LogInfo($"{nameof(res.FeePercentOfSent)}: {res.FeePercentOfSent} %");
Logger.LogInfo($"{nameof(res.SpendsUnconfirmed)}: {res.SpendsUnconfirmed}");
Logger.LogInfo($"Active Output: {activeOutput.Amount.ToString(false, true)} {activeOutput.ScriptPubKey.GetDestinationAddress(network)}");
Logger.LogInfo($"Change Output: {changeOutput.Amount.ToString(false, true)} {changeOutput.ScriptPubKey.GetDestinationAddress(network)}");
Logger.LogInfo($"TxId: {res.Transaction.GetHash()}");
foundReceive = false;
Assert.InRange(res.Transaction.Transaction.Outputs.Count, 1, 2);
foreach (var output in res.Transaction.Transaction.Outputs)
{
if (output.ScriptPubKey == receive)
{
foundReceive = true;
Assert.Equal(amountToSend, output.Value);
}
}
Assert.True(foundReceive);
#endregion LowFee
#region MediumFee
res = wallet.BuildTransaction(password, new PaymentIntent(receive, amountToSend, label: "foo"), FeeStrategy.OneDayConfirmationTargetStrategy, allowUnconfirmed: true);
Assert.Equal(2, res.InnerWalletOutputs.Count());
Assert.Empty(res.OuterWalletOutputs);
activeOutput = res.InnerWalletOutputs.Single(x => x.ScriptPubKey == receive);
changeOutput = res.InnerWalletOutputs.Single(x => x.ScriptPubKey != receive);
Assert.Equal(receive, activeOutput.ScriptPubKey);
Assert.Equal(amountToSend, activeOutput.Amount);
Assert.Contains(res.Transaction.Transaction.Outputs, x => x.Value == changeOutput.Amount);
Logger.LogInfo($"{nameof(res.Fee)}: {res.Fee}");
Logger.LogInfo($"{nameof(res.FeePercentOfSent)}: {res.FeePercentOfSent} %");
Logger.LogInfo($"{nameof(res.SpendsUnconfirmed)}: {res.SpendsUnconfirmed}");
Logger.LogInfo($"Active Output: {activeOutput.Amount.ToString(false, true)} {activeOutput.ScriptPubKey.GetDestinationAddress(network)}");
Logger.LogInfo($"Change Output: {changeOutput.Amount.ToString(false, true)} {changeOutput.ScriptPubKey.GetDestinationAddress(network)}");
Logger.LogInfo($"TxId: {res.Transaction.GetHash()}");
foundReceive = false;
Assert.InRange(res.Transaction.Transaction.Outputs.Count, 1, 2);
foreach (var output in res.Transaction.Transaction.Outputs)
{
if (output.ScriptPubKey == receive)
{
foundReceive = true;
Assert.Equal(amountToSend, output.Value);
}
}
Assert.True(foundReceive);
#endregion MediumFee
#region HighFee
res = wallet.BuildTransaction(password, new PaymentIntent(receive, amountToSend, label: "foo"), FeeStrategy.TwentyMinutesConfirmationTargetStrategy, allowUnconfirmed: true);
Assert.Equal(2, res.InnerWalletOutputs.Count());
Assert.Empty(res.OuterWalletOutputs);
activeOutput = res.InnerWalletOutputs.Single(x => x.ScriptPubKey == receive);
changeOutput = res.InnerWalletOutputs.Single(x => x.ScriptPubKey != receive);
Assert.Equal(receive, activeOutput.ScriptPubKey);
Assert.Equal(amountToSend, activeOutput.Amount);
Assert.Contains(res.Transaction.Transaction.Outputs, x => x.Value == changeOutput.Amount);
Logger.LogInfo($"{nameof(res.Fee)}: {res.Fee}");
Logger.LogInfo($"{nameof(res.FeePercentOfSent)}: {res.FeePercentOfSent} %");
Logger.LogInfo($"{nameof(res.SpendsUnconfirmed)}: {res.SpendsUnconfirmed}");
Logger.LogInfo($"Active Output: {activeOutput.Amount.ToString(false, true)} {activeOutput.ScriptPubKey.GetDestinationAddress(network)}");
Logger.LogInfo($"Change Output: {changeOutput.Amount.ToString(false, true)} {changeOutput.ScriptPubKey.GetDestinationAddress(network)}");
Logger.LogInfo($"TxId: {res.Transaction.GetHash()}");
foundReceive = false;
Assert.InRange(res.Transaction.Transaction.Outputs.Count, 1, 2);
foreach (var output in res.Transaction.Transaction.Outputs)
{
if (output.ScriptPubKey == receive)
{
foundReceive = true;
Assert.Equal(amountToSend, output.Value);
}
}
Assert.True(foundReceive);
Assert.InRange(res.Fee, Money.Zero, res.Fee);
Assert.InRange(res.Fee, res.Fee, res.Fee);
await broadcaster.SendTransactionAsync(res.Transaction);
#endregion HighFee
#region MaxAmount
receive = keyManager.GetNextReceiveKey("MaxAmount", out _).P2wpkhScript;
res = wallet.BuildTransaction(password, new PaymentIntent(receive, MoneyRequest.CreateAllRemaining(), "foo"), FeeStrategy.SevenDaysConfirmationTargetStrategy, allowUnconfirmed: true);
Assert.Single(res.InnerWalletOutputs);
Assert.Empty(res.OuterWalletOutputs);
activeOutput = res.InnerWalletOutputs.Single();
Assert.Equal(receive, activeOutput.ScriptPubKey);
Assert.Single(res.Transaction.Transaction.Outputs);
var maxBuiltTxOutput = res.Transaction.Transaction.Outputs.Single();
Assert.Equal(receive, maxBuiltTxOutput.ScriptPubKey);
Assert.Equal(wallet.Coins.Where(x => !x.Unavailable).Sum(x => x.Amount) - res.Fee, maxBuiltTxOutput.Value);
await broadcaster.SendTransactionAsync(res.Transaction);
#endregion MaxAmount
#region InputSelection
receive = keyManager.GetNextReceiveKey("InputSelection", out _).P2wpkhScript;
var inputCountBefore = res.SpentCoins.Count();
res = wallet.BuildTransaction(password, new PaymentIntent(receive, MoneyRequest.CreateAllRemaining(), "foo"), FeeStrategy.SevenDaysConfirmationTargetStrategy,
allowUnconfirmed: true,
allowedInputs: wallet.Coins.Where(x => !x.Unavailable).Select(x => x.OutPoint).Take(1));
Assert.Single(res.InnerWalletOutputs);
Assert.Empty(res.OuterWalletOutputs);
activeOutput = res.InnerWalletOutputs.Single(x => x.ScriptPubKey == receive);
Assert.True(inputCountBefore >= res.SpentCoins.Count());
Assert.Equal(res.SpentCoins.Count(), res.Transaction.Transaction.Inputs.Count);
Assert.Equal(receive, activeOutput.ScriptPubKey);
Logger.LogInfo($"{nameof(res.Fee)}: {res.Fee}");
Logger.LogInfo($"{nameof(res.FeePercentOfSent)}: {res.FeePercentOfSent} %");
Logger.LogInfo($"{nameof(res.SpendsUnconfirmed)}: {res.SpendsUnconfirmed}");
Logger.LogInfo($"Active Output: {activeOutput.Amount.ToString(false, true)} {activeOutput.ScriptPubKey.GetDestinationAddress(network)}");
Logger.LogInfo($"TxId: {res.Transaction.GetHash()}");
Assert.Single(res.Transaction.Transaction.Outputs);
res = wallet.BuildTransaction(password, new PaymentIntent(receive, MoneyRequest.CreateAllRemaining(), "foo"), FeeStrategy.SevenDaysConfirmationTargetStrategy,
allowUnconfirmed: true,
allowedInputs: new[] { res.SpentCoins.Select(x => x.OutPoint).First() });
Assert.Single(res.InnerWalletOutputs);
Assert.Empty(res.OuterWalletOutputs);
activeOutput = res.InnerWalletOutputs.Single(x => x.ScriptPubKey == receive);
Assert.Single(res.Transaction.Transaction.Inputs);
Assert.Single(res.Transaction.Transaction.Outputs);
Assert.Single(res.SpentCoins);
#endregion InputSelection
#region Labeling
Script receive2 = keyManager.GetNextReceiveKey("foo", out _).P2wpkhScript;
res = wallet.BuildTransaction(password, new PaymentIntent(receive2, MoneyRequest.CreateAllRemaining(), "my label"), FeeStrategy.SevenDaysConfirmationTargetStrategy, allowUnconfirmed: true);
Assert.Single(res.InnerWalletOutputs);
Assert.Equal("foo, my label", res.InnerWalletOutputs.Single().Label);
amountToSend = wallet.Coins.Where(x => !x.Unavailable).Sum(x => x.Amount) / 3;
res = wallet.BuildTransaction(
password,
new PaymentIntent(
new DestinationRequest(new Key(), amountToSend, label: "outgoing"),
new DestinationRequest(new Key(), amountToSend, label: "outgoing2")),
FeeStrategy.SevenDaysConfirmationTargetStrategy,
allowUnconfirmed: true);
Assert.Single(res.InnerWalletOutputs);
Assert.Equal(2, res.OuterWalletOutputs.Count());
IEnumerable <string> change = res.InnerWalletOutputs.Single().Label.Labels;
Assert.Contains("outgoing", change);
Assert.Contains("outgoing2", change);
await broadcaster.SendTransactionAsync(res.Transaction);
IEnumerable <SmartCoin> unconfirmedCoins = wallet.Coins.Where(x => x.Height == Height.Mempool).ToArray();
IEnumerable <string> unconfirmedCoinLabels = unconfirmedCoins.SelectMany(x => x.Label.Labels).ToArray();
Assert.Contains("outgoing", unconfirmedCoinLabels);
Assert.Contains("outgoing2", unconfirmedCoinLabels);
IEnumerable <string> allKeyLabels = keyManager.GetKeys().SelectMany(x => x.Label.Labels);
Assert.Contains("outgoing", allKeyLabels);
Assert.Contains("outgoing2", allKeyLabels);
Interlocked.Exchange(ref Common.FiltersProcessedByWalletCount, 0);
await rpc.GenerateAsync(1);
await Common.WaitForFiltersToBeProcessedAsync(TimeSpan.FromSeconds(120), 1);
var bestHeight = new Height(bitcoinStore.SmartHeaderChain.TipHeight);
IEnumerable <string> confirmedCoinLabels = wallet.Coins.Where(x => x.Height == bestHeight).SelectMany(x => x.Label.Labels);
Assert.Contains("outgoing", confirmedCoinLabels);
Assert.Contains("outgoing2", confirmedCoinLabels);
allKeyLabels = keyManager.GetKeys().SelectMany(x => x.Label.Labels);
Assert.Contains("outgoing", allKeyLabels);
Assert.Contains("outgoing2", allKeyLabels);
#endregion Labeling
#region AllowedInputsDisallowUnconfirmed
inputCountBefore = res.SpentCoins.Count();
receive = keyManager.GetNextReceiveKey("AllowedInputsDisallowUnconfirmed", out _).P2wpkhScript;
var allowedInputs = wallet.Coins.Where(x => !x.Unavailable).Select(x => x.OutPoint).Take(1);
var toSend = new PaymentIntent(receive, MoneyRequest.CreateAllRemaining(), "fizz");
// covers:
// disallow unconfirmed with allowed inputs
res = wallet.BuildTransaction(password, toSend, FeeStrategy.TwentyMinutesConfirmationTargetStrategy, false, allowedInputs: allowedInputs);
activeOutput = res.InnerWalletOutputs.Single(x => x.ScriptPubKey == receive);
Assert.Single(res.InnerWalletOutputs);
Assert.Empty(res.OuterWalletOutputs);
Assert.Equal(receive, activeOutput.ScriptPubKey);
Logger.LogDebug($"{nameof(res.Fee)}: {res.Fee}");
Logger.LogDebug($"{nameof(res.FeePercentOfSent)}: {res.FeePercentOfSent} %");
Logger.LogDebug($"{nameof(res.SpendsUnconfirmed)}: {res.SpendsUnconfirmed}");
Logger.LogDebug($"Active Output: {activeOutput.Amount.ToString(false, true)} {activeOutput.ScriptPubKey.GetDestinationAddress(network)}");
Logger.LogDebug($"TxId: {res.Transaction.GetHash()}");
Assert.True(inputCountBefore >= res.SpentCoins.Count());
Assert.False(res.SpendsUnconfirmed);
Assert.Single(res.Transaction.Transaction.Inputs);
Assert.Single(res.Transaction.Transaction.Outputs);
Assert.Single(res.SpentCoins);
Assert.True(inputCountBefore >= res.SpentCoins.Count());
Assert.Equal(res.SpentCoins.Count(), res.Transaction.Transaction.Inputs.Count);
#endregion AllowedInputsDisallowUnconfirmed
#region CustomChange
// covers:
// customchange
// feePc > 1
var k1 = new Key();
var k2 = new Key();
res = wallet.BuildTransaction(
password,
new PaymentIntent(
new DestinationRequest(k1, MoneyRequest.CreateChange()),
new DestinationRequest(k2, Money.Coins(0.0003m), label: "outgoing")),
FeeStrategy.TwentyMinutesConfirmationTargetStrategy);
Assert.Contains(k1.ScriptPubKey, res.OuterWalletOutputs.Select(x => x.ScriptPubKey));
Assert.Contains(k2.ScriptPubKey, res.OuterWalletOutputs.Select(x => x.ScriptPubKey));
#endregion CustomChange
#region FeePcHigh
res = wallet.BuildTransaction(
password,
new PaymentIntent(new Key(), Money.Coins(0.0003m), label: "outgoing"),
FeeStrategy.TwentyMinutesConfirmationTargetStrategy);
Assert.True(res.FeePercentOfSent > 1);
var newChangeK = keyManager.GenerateNewKey("foo", KeyState.Clean, isInternal: true);
res = wallet.BuildTransaction(
password,
new PaymentIntent(
new DestinationRequest(newChangeK.P2wpkhScript, MoneyRequest.CreateChange(), "boo"),
new DestinationRequest(new Key(), Money.Coins(0.0003m), label: "outgoing")),
FeeStrategy.TwentyMinutesConfirmationTargetStrategy);
Assert.True(res.FeePercentOfSent > 1);
Assert.Single(res.OuterWalletOutputs);
Assert.Single(res.InnerWalletOutputs);
SmartCoin changeRes = res.InnerWalletOutputs.Single();
Assert.Equal(newChangeK.P2wpkhScript, changeRes.ScriptPubKey);
Assert.Equal(newChangeK.Label, changeRes.Label);
Assert.Equal(KeyState.Clean, newChangeK.KeyState); // Still clean, because the tx wasn't yet propagated.
#endregion FeePcHigh
}
finally
{
bitcoinStore.IndexStore.NewFilter -= Common.Wallet_NewFilterProcessed;
await walletManager.RemoveAndStopAllAsync(CancellationToken.None);
// Dispose wasabi synchronizer service.
if (synchronizer is { })
public AppInitializedEventArgs(Global global)
{
Nodes = global.Nodes;
TransactionBroadcaster = global.TransactionBroadcaster;
}
public PrivacyControlViewModel(Wallet wallet, TransactionInfo transactionInfo, TransactionBroadcaster broadcaster)
{
_wallet = wallet;
_pocketSource = new SourceList <PocketViewModel>();
_pocketSource.Connect()
.Bind(out _pockets)
.Subscribe();
var selected = _pocketSource.Connect()
.AutoRefresh()
.Filter(x => x.IsSelected);
var selectedList = selected.AsObservableList();
selected.Sum(x => x.TotalBtc)
.Subscribe(x =>
{
StillNeeded = transactionInfo.Amount.ToDecimal(MoneyUnit.BTC) - x;
EnoughSelected = StillNeeded <= 0;
});
StillNeeded = transactionInfo.Amount.ToDecimal(MoneyUnit.BTC);
EnableCancel = true;
EnableBack = true;
NextCommand = ReactiveCommand.CreateFromTask(
async() => await OnNext(wallet, transactionInfo, broadcaster, selectedList),
this.WhenAnyValue(x => x.EnoughSelected));
EnableAutoBusyOn(NextCommand);
}
public SendViewModel(WalletViewModel walletVm, TransactionBroadcaster broadcaster)
{
_to = "";
_owner = walletVm;
_transactionInfo = new TransactionInfo();
_labels = new ObservableCollection <string>();
ExchangeRate = walletVm.Wallet.Synchronizer.UsdExchangeRate;
PriorLabels = new();
this.ValidateProperty(x => x.To, ValidateToField);
this.ValidateProperty(x => x.AmountBtc, ValidateAmount);
this.WhenAnyValue(x => x.To)
.Subscribe(ParseToField);
this.WhenAnyValue(x => x.AmountBtc)
.Subscribe(x => _transactionInfo.Amount = new Money(x, MoneyUnit.BTC));
this.WhenAnyValue(x => x.XAxisCurrentValue)
.Subscribe(x =>
{
if (x > 0)
{
_transactionInfo.FeeRate = new FeeRate(GetYAxisValueFromXAxisCurrentValue(x));
}
});
Labels.ToObservableChangeSet().Subscribe(x =>
{
_transactionInfo.Labels = new SmartLabel(_labels.ToArray());
});
PasteCommand = ReactiveCommand.CreateFromTask(async() =>
{
var text = await Application.Current.Clipboard.GetTextAsync();
_parsingUrl = true;
if (!TryParseUrl(text))
{
To = text;
// todo validation errors.
}
_parsingUrl = false;
});
NextCommand = ReactiveCommand.Create(() =>
{
var transactionInfo = _transactionInfo;
var wallet = _owner.Wallet;
var targetAnonymitySet = wallet.ServiceConfiguration.GetMixUntilAnonymitySetValue();
var mixedCoins = wallet.Coins.Where(x => x.HdPubKey.AnonymitySet >= targetAnonymitySet).ToList();
if (mixedCoins.Any())
{
var intent = new PaymentIntent(
destination: transactionInfo.Address,
amount: transactionInfo.Amount,
subtractFee: false,
label: transactionInfo.Labels);
try
{
var txRes = wallet.BuildTransaction(
wallet.Kitchen.SaltSoup(),
intent,
FeeStrategy.CreateFromFeeRate(transactionInfo.FeeRate),
allowUnconfirmed: true,
mixedCoins.Select(x => x.OutPoint));
// Private coins are enough.
Navigate().To(new OptimisePrivacyViewModel(wallet, transactionInfo, broadcaster, txRes));
return;
}
catch (NotEnoughFundsException)
{
// Do Nothing
}
}
Navigate().To(new PrivacyControlViewModel());
}, this.WhenAnyValue(x => x.Labels.Count).Any());
}
public BroadcastTransactionViewModel(
BitcoinStore store,
Network network,
TransactionBroadcaster broadcaster,
SmartTransaction transaction)
{
Title = "Broadcast Transaction";
var nullMoney = new Money(-1L);
var nullOutput = new TxOut(nullMoney, Script.Empty);
var psbt = PSBT.FromTransaction(transaction.Transaction, network);
TxOut GetOutput(OutPoint outpoint) =>
store.TransactionStore.TryGetTransaction(outpoint.Hash, out var prevTxn)
? prevTxn.Transaction.Outputs[outpoint.N]
: nullOutput;
var inputAddressAmount = psbt.Inputs
.Select(x => x.PrevOut)
.Select(GetOutput)
.ToArray();
var outputAddressAmount = psbt.Outputs
.Select(x => x.GetCoin().TxOut)
.ToArray();
var psbtTxn = psbt.GetOriginalTransaction();
_transactionId = psbtTxn.GetHash().ToString();
_inputCount = inputAddressAmount.Length;
_inputCountString = $" input{(_inputCount > 1 ? 's' : "")} and ";
_outputCount = outputAddressAmount.Length;
_outputCountString = $" output{(_outputCount > 1 ? 's' : "")}.";
_totalInputValue = inputAddressAmount.Any(x => x.Value == nullMoney)
? null
: inputAddressAmount.Select(x => x.Value).Sum();
_totalOutputValue = outputAddressAmount.Any(x => x.Value == nullMoney)
? null
: outputAddressAmount.Select(x => x.Value).Sum();
_networkFee = TotalInputValue is null || TotalOutputValue is null
? null
: TotalInputValue - TotalOutputValue;
var nextCommandCanExecute = this.WhenAnyValue(x => x.IsBusy)
.Select(x => !x);
NextCommand = ReactiveCommand.CreateFromTask(
async() =>
{
try
{
await broadcaster.SendTransactionAsync(transaction);
Navigate().To(new SuccessBroadcastTransactionViewModel());
}
catch (Exception ex)
{
Logger.LogError(ex);
await ShowErrorAsync(ex.ToUserFriendlyString(), "It was not possible to broadcast the transaction.");
}
},
nextCommandCanExecute);
EnableAutoBusyOn(NextCommand);
}
public SendViewModel(WalletViewModel walletVm, TransactionBroadcaster broadcaster) : base(NavigationMode.Normal)
{
_to = "";
_owner = walletVm;
_transactionInfo = new TransactionInfo();
_labels = new ObservableCollection <string>();
_lastXAxisCurrentValue = _xAxisCurrentValue;
ExchangeRate = walletVm.Wallet.Synchronizer.UsdExchangeRate;
PriorLabels = new();
this.ValidateProperty(x => x.To, ValidateToField);
this.ValidateProperty(x => x.AmountBtc, ValidateAmount);
this.WhenAnyValue(x => x.To)
.Subscribe(ParseToField);
this.WhenAnyValue(x => x.AmountBtc)
.Subscribe(x => _transactionInfo.Amount = new Money(x, MoneyUnit.BTC));
this.WhenAnyValue(x => x.XAxisCurrentValue)
.Subscribe(x =>
{
if (x > 0)
{
_transactionInfo.FeeRate = new FeeRate(GetYAxisValueFromXAxisCurrentValue(x));
SetXAxisCurrentValueIndex(x);
}
});
this.WhenAnyValue(x => x.XAxisCurrentValueIndex)
.Subscribe(SetXAxisCurrentValue);
Labels.ToObservableChangeSet().Subscribe(x =>
{
_transactionInfo.Labels = new SmartLabel(_labels.ToArray());
});
PasteCommand = ReactiveCommand.CreateFromTask(async() =>
{
var text = await Application.Current.Clipboard.GetTextAsync();
_parsingUrl = true;
if (!TryParseUrl(text))
{
To = text;
// todo validation errors.
}
_parsingUrl = false;
});
var nextCommandCanExecute =
this.WhenAnyValue(x => x.Labels, x => x.AmountBtc, x => x.To, x => x.XAxisCurrentValue).Select(_ => Unit.Default)
.Merge(Observable.FromEventPattern(Labels, nameof(Labels.CollectionChanged)).Select(_ => Unit.Default))
.Select(_ =>
{
var allFilled = !string.IsNullOrEmpty(To) && AmountBtc > 0 && Labels.Any();
var hasError = Validations.Any;
return(allFilled && !hasError);
});
NextCommand = ReactiveCommand.CreateFromTask(async() =>
{
var transactionInfo = _transactionInfo;
var wallet = _owner.Wallet;
var targetAnonymitySet = wallet.ServiceConfiguration.GetMixUntilAnonymitySetValue();
var mixedCoins = wallet.Coins.Where(x => x.HdPubKey.AnonymitySet >= targetAnonymitySet).ToList();
var totalMixedCoinsAmount = Money.FromUnit(mixedCoins.Sum(coin => coin.Amount), MoneyUnit.Satoshi);
if (transactionInfo.Amount <= totalMixedCoinsAmount)
{
try
{
try
{
var txRes = await Task.Run(() => TransactionHelpers.BuildTransaction(wallet, transactionInfo.Address, transactionInfo.Amount, transactionInfo.Labels, transactionInfo.FeeRate, mixedCoins, subtractFee: false));
Navigate().To(new OptimisePrivacyViewModel(wallet, transactionInfo, broadcaster, txRes));
return;
}
catch (InsufficientBalanceException)
{
var dialog = new InsufficientBalanceDialogViewModel(BalanceType.Private);
var result = await NavigateDialog(dialog, NavigationTarget.DialogScreen);
if (result.Result)
{
var txRes = await Task.Run(() => TransactionHelpers.BuildTransaction(wallet, transactionInfo.Address, totalMixedCoinsAmount, transactionInfo.Labels, transactionInfo.FeeRate, mixedCoins, subtractFee: true));
Navigate().To(new OptimisePrivacyViewModel(wallet, transactionInfo, broadcaster, txRes));
return;
}
}
}
catch (Exception ex)
{
Logger.LogError(ex);
await ShowErrorAsync("Transaction Building", ex.ToUserFriendlyString(), "Wasabi was unable to create your transaction.");
return;
}
}
Navigate().To(new PrivacyControlViewModel(wallet, transactionInfo, broadcaster));
}, nextCommandCanExecute);
EnableAutoBusyOn(NextCommand);
}
public TransactionPreviewViewModel(Wallet wallet, TransactionInfo info, TransactionBroadcaster broadcaster,
BuildTransactionResult transaction)
{
var destinationAmount = transaction.CalculateDestinationAmount().ToDecimal(MoneyUnit.BTC);
var fee = transaction.Fee;
var labels = "";
if (info.Labels.Count() == 1)
{
labels = info.Labels.First() + " ";
}
else if (info.Labels.Count() > 1)
{
labels = string.Join(", ", info.Labels.Take(info.Labels.Count() - 1));
labels += $" and {info.Labels.Last()} ";
}
BtcAmountText = $"{destinationAmount} bitcoins ";
FiatAmountText = $"(≈{(destinationAmount * wallet.Synchronizer.UsdExchangeRate).FormattedFiat()} USD) ";
LabelsText = labels;
AddressText = info.Address.ToString();
ConfirmationTimeText = "~20 minutes ";
BtcFeeText = $"{fee.ToDecimal(MoneyUnit.Satoshi)} satoshis ";
FiatFeeText =
$"(≈{(fee.ToDecimal(MoneyUnit.BTC) * wallet.Synchronizer.UsdExchangeRate).FormattedFiat()} USD)";
PercentFeeText = $"{transaction.FeePercentOfSent:F2}%";
NextCommand = ReactiveCommand.CreateFromTask(async() =>
{
var dialogResult =
await NavigateDialog(new EnterPasswordDialogViewModel(""), NavigationTarget.DialogScreen);
if (dialogResult.Kind == DialogResultKind.Normal)
{
IsBusy = true;
var passwordValid = await Task.Run(
() => PasswordHelper.TryPassword(
wallet.KeyManager,
dialogResult.Result,
out string?compatibilityPasswordUsed));
if (passwordValid)
{
// Dequeue any coin-joining coins.
await wallet.ChaumianClient.DequeueAllCoinsFromMixAsync(DequeueReason.TransactionBuilding);
var signedTransaction = transaction.Transaction;
// If it's a hardware wallet and still has a private key then it's password.
if (wallet.KeyManager.IsHardwareWallet && !transaction.Signed)
{
try
{
var client = new HwiClient(wallet.Network);
using var cts = new CancellationTokenSource(TimeSpan.FromMinutes(3));
PSBT?signedPsbt = null;
try
{
signedPsbt = await client.SignTxAsync(
wallet.KeyManager.MasterFingerprint !.Value,
transaction.Psbt,
cts.Token);
}
catch (HwiException ex) when(ex.ErrorCode is not HwiErrorCode.ActionCanceled)
{
await PinPadViewModel.UnlockAsync();
signedPsbt = await client.SignTxAsync(
wallet.KeyManager.MasterFingerprint !.Value,
transaction.Psbt,
cts.Token);
}
signedTransaction = signedPsbt.ExtractSmartTransaction(transaction.Transaction);
}
catch (Exception _)
{
// probably throw something here?
}
}
await broadcaster.SendTransactionAsync(signedTransaction);
Navigate().Clear();
IsBusy = false;
}
else
{
IsBusy = false;
await ShowErrorAsync("Password was incorrect.", "Please try again.", "");
}
}
});
}
public PrivacyControlViewModel(Wallet wallet, TransactionInfo transactionInfo, TransactionBroadcaster broadcaster)
{
_wallet = wallet;
_pocketSource = new SourceList <PocketViewModel>();
_pocketSource.Connect()
.Bind(out _pockets)
.Subscribe();
var selected = _pocketSource.Connect()
.AutoRefresh()
.Filter(x => x.IsSelected);
var selectedList = selected.AsObservableList();
selected.Sum(x => x.TotalBtc)
.Subscribe(x =>
{
StillNeeded = transactionInfo.Amount.ToDecimal(MoneyUnit.BTC) - x;
EnoughSelected = StillNeeded <= 0;
});
StillNeeded = transactionInfo.Amount.ToDecimal(MoneyUnit.BTC);
NextCommand = ReactiveCommand.Create(
() =>
{
var coins = selectedList.Items.SelectMany(x => x.Coins);
var intent = new PaymentIntent(
transactionInfo.Address,
transactionInfo.Amount,
subtractFee: false,
transactionInfo.Labels);
var transactionResult = _wallet.BuildTransaction(
_wallet.Kitchen.SaltSoup(),
intent,
FeeStrategy.CreateFromFeeRate(transactionInfo.FeeRate),
true,
coins.Select(x => x.OutPoint));
Navigate().To(new TransactionPreviewViewModel(wallet, transactionInfo, broadcaster, transactionResult));
},
this.WhenAnyValue(x => x.EnoughSelected));
}