public static BuildTransactionResult BuildChangelessTransaction(Wallet wallet, BitcoinAddress address, SmartLabel labels, FeeRate feeRate, IEnumerable <SmartCoin> coins, bool tryToSign = true)
{
var intent = new PaymentIntent(
address,
MoneyRequest.CreateAllRemaining(subtractFee: true),
labels);
var txRes = wallet.BuildTransaction(
wallet.Kitchen.SaltSoup(),
intent,
FeeStrategy.CreateFromFeeRate(feeRate),
allowUnconfirmed: true,
coins.Select(coin => coin.OutPoint),
tryToSign: tryToSign);
return(txRes);
}
protected SendControlViewModel(Wallet wallet, string title)
: base(title)
{
Global = Locator.Current.GetService <Global>();
Wallet = wallet;
LabelSuggestion = new SuggestLabelViewModel();
_buildTransactionButtonText = DoButtonText;
this.ValidateProperty(x => x.Address, ValidateAddress);
this.ValidateProperty(x => x.CustomChangeAddress, ValidateCustomChangeAddress);
this.ValidateProperty(x => x.Password, ValidatePassword);
this.ValidateProperty(x => x.UserFeeText, ValidateUserFeeText);
ResetUi();
CoinList = new CoinListViewModel(Wallet, Global.Config, Global.UiConfig, displayCommonOwnershipWarning: true);
Observable.FromEventPattern(CoinList, nameof(CoinList.SelectionChanged))
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ => SetFeesAndTexts());
_minMaxFeeTargetsEqual = this.WhenAnyValue(x => x.MinimumFeeTarget, x => x.MaximumFeeTarget, (x, y) => x == y)
.ToProperty(this, x => x.MinMaxFeeTargetsEqual, scheduler: RxApp.MainThreadScheduler);
SetFeeTargetLimits();
FeeTarget = Global.UiConfig.FeeTarget;
FeeDisplayFormat = (FeeDisplayFormat)(Enum.ToObject(typeof(FeeDisplayFormat), Global.UiConfig.FeeDisplayFormat) ?? FeeDisplayFormat.SatoshiPerByte);
SetFeesAndTexts();
this.WhenAnyValue(x => x.AmountText)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(x =>
{
if (Money.TryParse(x.TrimStart('~', ' '), out Money amountBtc))
{
SetAmountWatermark(amountBtc);
}
else
{
SetAmountWatermark(Money.Zero);
}
SetFees();
});
AmountKeyUpCommand = ReactiveCommand.Create((KeyEventArgs key) =>
{
if (IsMax)
{
SetFeesAndTexts();
}
else if (BitcoinInput.TryCorrectAmount(AmountText, out var betterAmount))
{
AmountText = betterAmount;
}
});
this.WhenAnyValue(x => x.IsBusy, x => x.IsHardwareBusy)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ => BuildTransactionButtonText = IsHardwareBusy
? WaitingForHardwareWalletButtonTextString
: IsBusy
? DoingButtonText
: DoButtonText);
Observable
.Merge(this.WhenAnyValue(x => x.FeeTarget).Select(_ => true))
.Merge(this.WhenAnyValue(x => x.IsEstimateAvailable).Select(_ => true))
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ =>
{
IsSliderFeeUsed = IsEstimateAvailable;
SetFeesAndTexts();
});
this.WhenAnyValue(x => x.IsSliderFeeUsed)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(enabled => FeeControlOpacity = enabled ? 1 : 0.5); // Give the control the disabled feeling. Real Disable it not a solution as we have to detect if the slider is moved.
MaxCommand = ReactiveCommand.Create(() => IsMax = !IsMax, outputScheduler: RxApp.MainThreadScheduler);
this.WhenAnyValue(x => x.IsMax)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ =>
{
if (IsMax)
{
SetFeesAndTexts();
LabelToolTip = "Spending whole coins does not generate change, thus labeling is unnecessary.";
}
else
{
AmountText = "0.0";
LabelToolTip = "Who can link this transaction to you? E.g.: \"Max, BitPay\"";
}
});
// Triggering the detection of same address values.
this.WhenAnyValue(x => x.Address)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ => this.RaisePropertyChanged(nameof(CustomChangeAddress)));
this.WhenAnyValue(x => x.CustomChangeAddress)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ => this.RaisePropertyChanged(nameof(Address)));
this.WhenAnyValue(x => x.IsCustomChangeAddressVisible)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ =>
{
this.RaisePropertyChanged(nameof(Address));
this.RaisePropertyChanged(nameof(CustomChangeAddress));
});
FeeRateCommand = ReactiveCommand.Create(ChangeFeeRateDisplay, outputScheduler: RxApp.MainThreadScheduler);
OnAddressPasteCommand = ReactiveCommand.Create((BitcoinUrlBuilder url) => OnAddressPaste(url));
BuildTransactionCommand = ReactiveCommand.CreateFromTask(async() =>
{
try
{
IsBusy = true;
MainWindowViewModel.Instance.StatusBar.TryAddStatus(StatusType.BuildingTransaction);
var label = new SmartLabel(LabelSuggestion.Label);
LabelSuggestion.Label = label;
if (!IsMax && label.IsEmpty)
{
NotificationHelpers.Warning("Label is required.", "");
return;
}
var selectedCoinViewModels = CoinList.Coins.Where(cvm => cvm.IsSelected);
var selectedCoinReferences = selectedCoinViewModels.Select(cvm => cvm.Model.OutPoint).ToList();
if (!selectedCoinReferences.Any())
{
NotificationHelpers.Warning("No coins are selected to spend.", "");
return;
}
BitcoinAddress address;
try
{
address = BitcoinAddress.Create(Address, Global.Network);
}
catch (FormatException)
{
NotificationHelpers.Warning("Invalid address.", "");
return;
}
var requests = new List <DestinationRequest>();
if (IsCustomChangeAddressVisible && !string.IsNullOrWhiteSpace(CustomChangeAddress))
{
try
{
var customChangeAddress = BitcoinAddress.Create(CustomChangeAddress, Global.Network);
if (customChangeAddress == address)
{
NotificationHelpers.Warning("The active address and the change address cannot be the same.", "");
return;
}
requests.Add(new DestinationRequest(customChangeAddress, MoneyRequest.CreateChange(subtractFee: true), label));
}
catch (FormatException)
{
NotificationHelpers.Warning("Invalid custom change address.", "");
return;
}
}
MoneyRequest moneyRequest;
if (IsMax)
{
moneyRequest = MoneyRequest.CreateAllRemaining(subtractFee: true);
}
else
{
if (!Money.TryParse(AmountText, out Money amount) || amount == Money.Zero)
{
NotificationHelpers.Warning("Invalid amount.");
return;
}
if (amount == selectedCoinViewModels.Sum(x => x.Amount))
{
NotificationHelpers.Warning("Looks like you want to spend whole coins. Try Max button instead.", "");
return;
}
moneyRequest = MoneyRequest.Create(amount, subtractFee: false);
}
if (FeeRate is null || FeeRate.SatoshiPerByte < 1)
{
NotificationHelpers.Warning("Invalid fee rate.", "");
return;
}
var feeStrategy = FeeStrategy.CreateFromFeeRate(FeeRate);
var activeDestinationRequest = new DestinationRequest(address, moneyRequest, label);
requests.Add(activeDestinationRequest);
var intent = new PaymentIntent(requests);
try
{
MainWindowViewModel.Instance.StatusBar.TryAddStatus(StatusType.DequeuingSelectedCoins);
OutPoint[] toDequeue = selectedCoinViewModels.Where(x => x.CoinJoinInProgress).Select(x => x.Model.OutPoint).ToArray();
if (toDequeue is { } && toDequeue.Any())
{
await Wallet.ChaumianClient.DequeueCoinsFromMixAsync(toDequeue, DequeueReason.TransactionBuilding);
}
}
catch
{
NotificationHelpers.Error("Cannot spend mixing coins.", "");
return;
}
finally
{
MainWindowViewModel.Instance.StatusBar.TryRemoveStatus(StatusType.DequeuingSelectedCoins);
}
if (!Wallet.KeyManager.IsWatchOnly)
{
try
{
PasswordHelper.GetMasterExtKey(Wallet.KeyManager, Password, out var compatiblityPasswordUsed); // We could use TryPassword but we need the exception.
if (compatiblityPasswordUsed is { })
{
Password = compatiblityPasswordUsed; // Overwrite the password for BuildTransaction function.
NotificationHelpers.Warning(PasswordHelper.CompatibilityPasswordWarnMessage);
}
}
catch (SecurityException ex)
{
NotificationHelpers.Error(ex.Message, "");
return;
}
catch (Exception ex)
{
Logger.LogError(ex);
NotificationHelpers.Error(ex.ToUserFriendlyString());
return;
}
}
protected SendControlViewModel(Wallet wallet, string title)
: base(title)
{
Global = Locator.Current.GetService <Global>();
Wallet = wallet;
LabelSuggestion = new SuggestLabelViewModel();
BuildTransactionButtonText = DoButtonText;
this.ValidateProperty(x => x.Address, ValidateAddress);
this.ValidateProperty(x => x.CustomChangeAddress, ValidateCustomChangeAddress);
this.ValidateProperty(x => x.Password, ValidatePassword);
this.ValidateProperty(x => x.UserFeeText, ValidateUserFeeText);
ResetUi();
SetAmountWatermark(Money.Zero);
CoinList = new CoinListViewModel(Wallet, displayCommonOwnershipWarning: true);
Observable.FromEventPattern(CoinList, nameof(CoinList.SelectionChanged))
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ => SetFeesAndTexts());
_minMaxFeeTargetsEqual = this.WhenAnyValue(x => x.MinimumFeeTarget, x => x.MaximumFeeTarget, (x, y) => x == y)
.ToProperty(this, x => x.MinMaxFeeTargetsEqual, scheduler: RxApp.MainThreadScheduler);
SetFeeTargetLimits();
FeeTarget = Global.UiConfig.FeeTarget;
FeeDisplayFormat = (FeeDisplayFormat)(Enum.ToObject(typeof(FeeDisplayFormat), Global.UiConfig.FeeDisplayFormat) ?? FeeDisplayFormat.SatoshiPerByte);
SetFeesAndTexts();
this.WhenAnyValue(x => x.AmountText)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(x =>
{
if (Money.TryParse(x.TrimStart('~', ' '), out Money amountBtc))
{
SetAmountWatermark(amountBtc);
}
else
{
SetAmountWatermark(Money.Zero);
}
SetFees();
});
AmountKeyUpCommand = ReactiveCommand.Create((KeyEventArgs key) =>
{
var amount = AmountText;
if (IsMax)
{
SetFeesAndTexts();
}
else
{
// Correct amount
Regex digitsOnly = new Regex(@"[^\d,.]");
string betterAmount = digitsOnly.Replace(amount, ""); // Make it digits , and . only.
betterAmount = betterAmount.Replace(',', '.');
int countBetterAmount = betterAmount.Count(x => x == '.');
if (countBetterAmount > 1) // Do not enable typing two dots.
{
var index = betterAmount.IndexOf('.', betterAmount.IndexOf('.') + 1);
if (index > 0)
{
betterAmount = betterAmount.Substring(0, index);
}
}
var dotIndex = betterAmount.IndexOf('.');
if (dotIndex != -1 && betterAmount.Length - dotIndex > 8) // Enable max 8 decimals.
{
betterAmount = betterAmount.Substring(0, dotIndex + 1 + 8);
}
if (betterAmount != amount)
{
AmountText = betterAmount;
}
}
});
this.WhenAnyValue(x => x.IsBusy, x => x.IsHardwareBusy)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ => BuildTransactionButtonText = IsHardwareBusy
? WaitingForHardwareWalletButtonTextString
: IsBusy
? DoingButtonText
: DoButtonText);
this.WhenAnyValue(x => x.FeeTarget)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ =>
{
IsSliderFeeUsed = true;
SetFeesAndTexts();
});
this.WhenAnyValue(x => x.IsSliderFeeUsed)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(enabled => FeeControlOpacity = enabled ? 1 : 0.5); // Give the control the disabled feeling. Real Disable it not a solution as we have to detect if the slider is moved.
MaxCommand = ReactiveCommand.Create(() => IsMax = !IsMax, outputScheduler: RxApp.MainThreadScheduler);
this.WhenAnyValue(x => x.IsMax)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ =>
{
if (IsMax)
{
SetFeesAndTexts();
LabelToolTip = "Spending whole coins does not generate change, thus labeling is unnecessary.";
}
else
{
AmountText = "0.0";
LabelToolTip = "Who can link this transaction to you? E.g.: \"Max, BitPay\"";
}
});
// Triggering the detection of same address values.
this.WhenAnyValue(x => x.Address)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ => this.RaisePropertyChanged(nameof(CustomChangeAddress)));
this.WhenAnyValue(x => x.CustomChangeAddress)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ => this.RaisePropertyChanged(nameof(Address)));
this.WhenAnyValue(x => x.IsCustomChangeAddressVisible)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ =>
{
this.RaisePropertyChanged(nameof(Address));
this.RaisePropertyChanged(nameof(CustomChangeAddress));
});
FeeRateCommand = ReactiveCommand.Create(ChangeFeeRateDisplay, outputScheduler: RxApp.MainThreadScheduler);
OnAddressPasteCommand = ReactiveCommand.Create((BitcoinUrlBuilder url) => OnAddressPaste(url));
BuildTransactionCommand = ReactiveCommand.CreateFromTask(async() =>
{
try
{
IsBusy = true;
MainWindowViewModel.Instance.StatusBar.TryAddStatus(StatusType.BuildingTransaction);
var label = new SmartLabel(LabelSuggestion.Label);
LabelSuggestion.Label = label;
if (!IsMax && label.IsEmpty)
{
NotificationHelpers.Warning("Observers are required.", "");
return;
}
var selectedCoinViewModels = CoinList.Coins.Where(cvm => cvm.IsSelected);
var selectedCoinReferences = selectedCoinViewModels.Select(cvm => cvm.Model.OutPoint).ToList();
if (!selectedCoinReferences.Any())
{
NotificationHelpers.Warning("No coins are selected to spend.", "");
return;
}
BitcoinAddress address;
try
{
address = BitcoinAddress.Create(Address, Global.Network);
}
catch (FormatException)
{
NotificationHelpers.Warning("Invalid address.", "");
return;
}
var requests = new List <DestinationRequest>();
if (IsCustomChangeAddressVisible && !string.IsNullOrWhiteSpace(CustomChangeAddress))
{
try
{
var customChangeAddress = BitcoinAddress.Create(CustomChangeAddress, Global.Network);
if (customChangeAddress == address)
{
NotificationHelpers.Warning("The active address and the change address cannot be the same.", "");
return;
}
requests.Add(new DestinationRequest(customChangeAddress, MoneyRequest.CreateChange(subtractFee: true), label));
}
catch (FormatException)
{
NotificationHelpers.Warning("Invalid custom change address.", "");
return;
}
}
MoneyRequest moneyRequest;
if (IsMax)
{
moneyRequest = MoneyRequest.CreateAllRemaining(subtractFee: true);
}
else
{
if (!Money.TryParse(AmountText, out Money amount) || amount == Money.Zero)
{
NotificationHelpers.Warning("Invalid amount.");
return;
}
if (amount == selectedCoinViewModels.Sum(x => x.Amount))
{
NotificationHelpers.Warning("Looks like you want to spend whole coins. Try Max button instead.", "");
return;
}
moneyRequest = MoneyRequest.Create(amount, subtractFee: false);
}
if (FeeRate is null || FeeRate.SatoshiPerByte < 1)
{
NotificationHelpers.Warning("Invalid fee rate.", "");
return;
}
var feeStrategy = FeeStrategy.CreateFromFeeRate(FeeRate);
var activeDestinationRequest = new DestinationRequest(address, moneyRequest, label);
requests.Add(activeDestinationRequest);
var intent = new PaymentIntent(requests);
try
{
MainWindowViewModel.Instance.StatusBar.TryAddStatus(StatusType.DequeuingSelectedCoins);
OutPoint[] toDequeue = selectedCoinViewModels.Where(x => x.CoinJoinInProgress).Select(x => x.Model.OutPoint).ToArray();
if (toDequeue != null && toDequeue.Any())
{
await Wallet.ChaumianClient.DequeueCoinsFromMixAsync(toDequeue, DequeueReason.TransactionBuilding);
}
}
catch
{
NotificationHelpers.Error("Cannot spend mixing coins.", "");
return;
}
finally
{
MainWindowViewModel.Instance.StatusBar.TryRemoveStatus(StatusType.DequeuingSelectedCoins);
}
if (!Wallet.KeyManager.IsWatchOnly)
{
try
{
PasswordHelper.GetMasterExtKey(Wallet.KeyManager, Password, out string compatiblityPasswordUsed); // We could use TryPassword but we need the exception.
if (compatiblityPasswordUsed != null)
{
Password = compatiblityPasswordUsed; // Overwrite the password for BuildTransaction function.
NotificationHelpers.Warning(PasswordHelper.CompatibilityPasswordWarnMessage);
}
}
catch (SecurityException ex)
{
NotificationHelpers.Error(ex.Message, "");
return;
}
catch (Exception ex)
{
Logger.LogError(ex);
NotificationHelpers.Error(ex.ToUserFriendlyString());
return;
}
}
await BuildTransaction(Password, intent, feeStrategy, allowUnconfirmed: true, allowedInputs: selectedCoinReferences);
}
catch (InsufficientBalanceException ex)
{
Money needed = ex.Minimum - ex.Actual;
NotificationHelpers.Error($"Not enough coins selected. You need an estimated {needed.ToString(false, true)} BTC more to make this transaction.", "");
}
catch (HttpRequestException ex)
{
NotificationHelpers.Error(ex.ToUserFriendlyString());
Logger.LogError(ex);
}
catch (Exception ex)
{
NotificationHelpers.Error(ex.ToUserFriendlyString(), sender: Wallet);
Logger.LogError(ex);
}
finally
{
MainWindowViewModel.Instance.StatusBar.TryRemoveStatus(StatusType.BuildingTransaction, StatusType.SigningTransaction, StatusType.BroadcastingTransaction);
IsBusy = false;
}
},
this.WhenAny(x => x.IsMax, x => x.AmountText, x => x.Address, x => x.IsBusy,
(isMax, amount, address, busy) => (isMax.Value || !string.IsNullOrWhiteSpace(amount.Value)) && !string.IsNullOrWhiteSpace(Address) && !IsBusy)
.ObserveOn(RxApp.MainThreadScheduler));
UserFeeTextKeyUpCommand = ReactiveCommand.Create((KeyEventArgs key) =>
{
IsSliderFeeUsed = !IsCustomFee;
SetFeesAndTexts();
});
FeeSliderClickedCommand = ReactiveCommand.Create((PointerPressedEventArgs mouse) => IsSliderFeeUsed = true);
HighLightFeeSliderCommand = ReactiveCommand.Create((bool entered) =>
{
if (IsSliderFeeUsed)
{
return;
}
FeeControlOpacity = entered ? 0.8 : 0.5;
});
Observable
.Merge(MaxCommand.ThrownExceptions)
.Merge(FeeRateCommand.ThrownExceptions)
.Merge(OnAddressPasteCommand.ThrownExceptions)
.Merge(BuildTransactionCommand.ThrownExceptions)
.Merge(UserFeeTextKeyUpCommand.ThrownExceptions)
.Merge(FeeSliderClickedCommand.ThrownExceptions)
.Merge(HighLightFeeSliderCommand.ThrownExceptions)
.Merge(AmountKeyUpCommand.ThrownExceptions)
.ObserveOn(RxApp.TaskpoolScheduler)
.Subscribe(ex =>
{
NotificationHelpers.Error(ex.ToUserFriendlyString());
Logger.LogError(ex);
});
}
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 async Task BuildTransactionValidationsTestAsync()
{
(string password, IRPCClient rpc, Network network, Coordinator coordinator, ServiceConfiguration serviceConfiguration, BitcoinStore bitcoinStore, Backend.Global global) = await Common.InitializeTestEnvironmentAsync(RegTestFixture, 1);
// 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 = Common.GetWorkDir();
var blocksFolderPath = Path.Combine(workDir, "Blocks", network.ToString());
CachedBlockProvider blockProvider = new CachedBlockProvider(
new P2pBlockProvider(nodes, null, synchronizer, serviceConfiguration, network),
new FileSystemBlockRepository(blocksFolderPath, network));
using var wallet = Wallet.CreateAndRegisterServices(network, bitcoinStore, keyManager, synchronizer, nodes, workDir, serviceConfiguration, synchronizer, blockProvider);
wallet.NewFilterProcessed += Common.Wallet_NewFilterProcessed;
var scp = new Key().ScriptPubKey;
var validIntent = new PaymentIntent(scp, Money.Coins(1));
var invalidIntent = new PaymentIntent(
new DestinationRequest(scp, Money.Coins(10 * 1000 * 1000)),
new DestinationRequest(scp, Money.Coins(12 * 1000 * 1000)));
Assert.Throws <OverflowException>(() => new PaymentIntent(
new DestinationRequest(scp, Money.Satoshis(long.MaxValue)),
new DestinationRequest(scp, Money.Satoshis(long.MaxValue)),
new DestinationRequest(scp, Money.Satoshis(5))));
Logger.TurnOff();
Assert.Throws <ArgumentNullException>(() => wallet.BuildTransaction(null, null, FeeStrategy.CreateFromConfirmationTarget(4)));
// toSend cannot have a null element
Assert.Throws <ArgumentNullException>(() => wallet.BuildTransaction(null, new PaymentIntent(new[] { (DestinationRequest)null }), FeeStrategy.CreateFromConfirmationTarget(0)));
// toSend cannot have a zero element
Assert.Throws <ArgumentException>(() => wallet.BuildTransaction(null, new PaymentIntent(Array.Empty <DestinationRequest>()), FeeStrategy.SevenDaysConfirmationTargetStrategy));
// feeTarget has to be in the range 0 to 1008
Assert.Throws <ArgumentOutOfRangeException>(() => wallet.BuildTransaction(null, validIntent, FeeStrategy.CreateFromConfirmationTarget(-10)));
Assert.Throws <ArgumentOutOfRangeException>(() => wallet.BuildTransaction(null, validIntent, FeeStrategy.CreateFromConfirmationTarget(2000)));
// toSend amount sum has to be in range 0 to 2099999997690000
Assert.Throws <ArgumentOutOfRangeException>(() => wallet.BuildTransaction(null, invalidIntent, FeeStrategy.TwentyMinutesConfirmationTargetStrategy));
// toSend negative sum amount
Assert.Throws <ArgumentOutOfRangeException>(() => wallet.BuildTransaction(null, new PaymentIntent(scp, Money.Satoshis(-10000)), FeeStrategy.TwentyMinutesConfirmationTargetStrategy));
// toSend negative operation amount
Assert.Throws <ArgumentOutOfRangeException>(() => wallet.BuildTransaction(
null,
new PaymentIntent(
new DestinationRequest(scp, Money.Satoshis(20000)),
new DestinationRequest(scp, Money.Satoshis(-10000))),
FeeStrategy.TwentyMinutesConfirmationTargetStrategy));
// allowedInputs cannot be empty
Assert.Throws <ArgumentException>(() => wallet.BuildTransaction(null, validIntent, FeeStrategy.TwentyMinutesConfirmationTargetStrategy, allowedInputs: Array.Empty <OutPoint>()));
// "Only one element can contain the AllRemaining flag.
Assert.Throws <ArgumentException>(() => wallet.BuildTransaction(
password,
new PaymentIntent(
new DestinationRequest(scp, MoneyRequest.CreateAllRemaining(), "zero"),
new DestinationRequest(scp, MoneyRequest.CreateAllRemaining(), "zero")),
FeeStrategy.SevenDaysConfirmationTargetStrategy,
false));
// Get some money, make it confirm.
var txId = await rpc.SendToAddressAsync(keyManager.GetNextReceiveKey("foo", out _).GetP2wpkhAddress(network), Money.Coins(1m));
// Generate some coins
await rpc.GenerateAsync(2);
try
{
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);
using (var cts = new CancellationTokenSource(TimeSpan.FromSeconds(30)))
{
await wallet.StartAsync(cts.Token); // Initialize wallet service.
}
// subtract Fee from amount index with no enough money
var operations = new PaymentIntent(
new DestinationRequest(scp, Money.Coins(1m), subtractFee: true),
new DestinationRequest(scp, Money.Coins(0.5m)));
Assert.Throws <InsufficientBalanceException>(() => wallet.BuildTransaction(password, operations, FeeStrategy.TwentyMinutesConfirmationTargetStrategy, false));
// No enough money (only one confirmed coin, no unconfirmed allowed)
operations = new PaymentIntent(scp, Money.Coins(1.5m));
Assert.Throws <InsufficientBalanceException>(() => wallet.BuildTransaction(null, operations, FeeStrategy.TwentyMinutesConfirmationTargetStrategy));
// No enough money (only one confirmed coin, unconfirmed allowed)
Assert.Throws <InsufficientBalanceException>(() => wallet.BuildTransaction(null, operations, FeeStrategy.TwentyMinutesConfirmationTargetStrategy, true));
// Add new money with no confirmation
var txId2 = await rpc.SendToAddressAsync(keyManager.GetNextReceiveKey("bar", out _).GetP2wpkhAddress(network), Money.Coins(2m));
await Task.Delay(1000); // Wait tx to arrive and get processed.
// Enough money (one confirmed coin and one unconfirmed coin, unconfirmed are NOT allowed)
Assert.Throws <InsufficientBalanceException>(() => wallet.BuildTransaction(null, operations, FeeStrategy.TwentyMinutesConfirmationTargetStrategy, false));
// Enough money (one unconfirmed coin, unconfirmed are allowed)
var btx = wallet.BuildTransaction(password, operations, FeeStrategy.TwentyMinutesConfirmationTargetStrategy, true);
var spentCoin = Assert.Single(btx.SpentCoins);
Assert.False(spentCoin.Confirmed);
// Enough money (one confirmed coin and one unconfirmed coin, unconfirmed are allowed)
operations = new PaymentIntent(scp, Money.Coins(2.5m));
btx = wallet.BuildTransaction(password, operations, FeeStrategy.TwentyMinutesConfirmationTargetStrategy, true);
Assert.Equal(2, btx.SpentCoins.Count());
Assert.Equal(1, btx.SpentCoins.Count(c => c.Confirmed));
Assert.Equal(1, btx.SpentCoins.Count(c => !c.Confirmed));
// Only one operation with AllRemainingFlag
Assert.Throws <ArgumentException>(() => wallet.BuildTransaction(
null,
new PaymentIntent(
new DestinationRequest(scp, MoneyRequest.CreateAllRemaining()),
new DestinationRequest(scp, MoneyRequest.CreateAllRemaining())),
FeeStrategy.TwentyMinutesConfirmationTargetStrategy));
Logger.TurnOn();
operations = new PaymentIntent(scp, Money.Coins(0.5m));
btx = wallet.BuildTransaction(password, operations, FeeStrategy.TwentyMinutesConfirmationTargetStrategy);
}
finally
{
await wallet.StopAsync(CancellationToken.None);
// Dispose wasabi synchronizer service.
if (synchronizer is { })
public async Task <bool> BuildTransaction(string password)
{
try
{
IsBusy = true;
password = Guard.Correct(password);
Memo = Memo.Trim(',', ' ').Trim();
var selectedCoinViewModels = SendAmountViewModel.CoinList.CoinList.Where(cvm => cvm.IsSelected);
var selectedCoinReferences = selectedCoinViewModels.Select(cvm => cvm.Model.OutPoint).ToList();
if (!selectedCoinReferences.Any())
{
//SetWarningMessage("No coins are selected to spend.");
return(false);
}
BitcoinAddress address;
try
{
address = BitcoinAddress.Create(Address.Trim(), Global.Network);
}
catch (FormatException)
{
// SetWarningMessage("Invalid address.");
return(false);
}
var amount = Money.Zero;
var requests = new List <DestinationRequest>();
MoneyRequest moneyRequest;
if (SendAmountViewModel.IsMax)
{
moneyRequest = MoneyRequest.CreateAllRemaining(subtractFee: true);
}
else
{
if (!Money.TryParse(SendAmountViewModel.AmountText, out amount) || amount == Money.Zero)
{
// SetWarningMessage($"Invalid amount.");
return(false);
}
if (amount == selectedCoinViewModels.Sum(x => x.Amount))
{
// NotificationHelpers.Warning("Looks like you want to spend whole coins. Try Max button instead.", "");
return(false);
}
moneyRequest = MoneyRequest.Create(amount, subtractFee: false);
}
if (SendAmountViewModel.FeeRate is null || SendAmountViewModel.FeeRate.SatoshiPerByte < 1)
{
return(false);
}
var feeStrategy = FeeStrategy.CreateFromFeeRate(SendAmountViewModel.FeeRate);
var smartLabel = new SmartLabel(Memo);
var activeDestinationRequest = new DestinationRequest(address, moneyRequest, smartLabel);
requests.Add(activeDestinationRequest);
var intent = new PaymentIntent(requests);
var result = await Task.Run(() => Global.Wallet.BuildTransaction(
password,
intent,
feeStrategy,
allowUnconfirmed: true,
allowedInputs: selectedCoinReferences));
SmartTransaction signedTransaction = result.Transaction;
await Global.TransactionBroadcaster.SendTransactionAsync(signedTransaction); // put this on non-ui theread?
return(true);
}
catch (InsufficientBalanceException ex)
{
Money needed = ex.Minimum - ex.Actual;
Logger.LogDebug(ex);
//SetWarningMessage($"Not enough coins selected. You need an estimated {needed.ToString(false, true)} BTC more to make this transaction.");
}
catch (Exception ex)
{
Logger.LogDebug(ex);
//SetWarningMessage(ex.ToTypeMessageString());
}
finally
{
IsBusy = false;
}
return(false);
}