protected virtual bool TryTransfer(IDestination destination, decimal amount, out Transaction tx, out string error)
{
try
{
tx = Wallet.BuildTransaction(destination, amount);
if (Wallet.TryBroadcast(tx, out var result))
{
error = String.Empty;
return(true);
}
error = _("Error - Transaction transmission failed. {0}", _(result));
}
catch (NotEnoughFundsException)
{
error = _("Insufficient funds.");
}
catch (ArgumentOutOfRangeException e)
{
error = _("Invalid amount. {0}", _(e.Message));
}
catch (ArgumentException e)
{
error = _("Error - Transaction generation failed. {0}", _(e.Message));
}
tx = null;
return(false);
}
protected override async Task BuildTransaction(string password, PaymentIntent payments, FeeStrategy feeStrategy, bool allowUnconfirmed = false, IEnumerable <OutPoint> allowedInputs = null)
{
BuildTransactionResult result = await Task.Run(() => Wallet.BuildTransaction(Password, payments, feeStrategy, allowUnconfirmed: true, allowedInputs: allowedInputs, GetPayjoinClient()));
MainWindowViewModel.Instance.StatusBar.TryAddStatus(StatusType.SigningTransaction);
SmartTransaction signedTransaction = result.Transaction;
if (Wallet.KeyManager.IsHardwareWallet && !result.Signed) // If hardware but still has a privkey then it's password, then meh.
{
try
{
IsHardwareBusy = true;
MainWindowViewModel.Instance.StatusBar.TryAddStatus(StatusType.AcquiringSignatureFromHardwareWallet);
var client = new HwiClient(Global.Network);
using var cts = new CancellationTokenSource(TimeSpan.FromMinutes(3));
PSBT signedPsbt = null;
try
{
try
{
signedPsbt = await client.SignTxAsync(Wallet.KeyManager.MasterFingerprint.Value, result.Psbt, cts.Token);
}
catch (PSBTException ex) when(ex.Message.Contains("NullFail"))
{
NotificationHelpers.Warning("Fall back to Unverified Inputs Mode, trying to sign again.");
// Ledger Nano S hackfix https://github.com/MetacoSA/NBitcoin/pull/888
var noinputtx = result.Psbt.Clone();
foreach (var input in noinputtx.Inputs)
{
input.NonWitnessUtxo = null;
}
signedPsbt = await client.SignTxAsync(Wallet.KeyManager.MasterFingerprint.Value, noinputtx, cts.Token);
}
}
catch (HwiException)
{
await PinPadViewModel.UnlockAsync();
signedPsbt = await client.SignTxAsync(Wallet.KeyManager.MasterFingerprint.Value, result.Psbt, cts.Token);
}
signedTransaction = signedPsbt.ExtractSmartTransaction(result.Transaction);
}
finally
{
MainWindowViewModel.Instance.StatusBar.TryRemoveStatus(StatusType.AcquiringSignatureFromHardwareWallet);
IsHardwareBusy = false;
}
}
MainWindowViewModel.Instance.StatusBar.TryAddStatus(StatusType.BroadcastingTransaction);
await Task.Run(async() => await Global.TransactionBroadcaster.SendTransactionAsync(signedTransaction));
ResetUi();
}
protected override async Task BuildTransaction(string password, PaymentIntent payments, FeeStrategy feeStrategy, bool allowUnconfirmed = false, IEnumerable <OutPoint> allowedInputs = null)
{
BuildTransactionResult result = await Task.Run(() => Wallet.BuildTransaction(Password, payments, feeStrategy, allowUnconfirmed: true, allowedInputs: allowedInputs));
var txviewer = new TransactionViewerViewModel();
IoC.Get <IShell>().AddDocument(txviewer);
IoC.Get <IShell>().Select(txviewer);
txviewer.Update(result);
ResetUi();
NotificationHelpers.Success("Transaction was built.");
}
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));
}
public static BuildTransactionResult BuildTransaction(Wallet wallet, BitcoinAddress address, Money amount, SmartLabel labels, FeeRate feeRate, IEnumerable <SmartCoin> coins, bool subtractFee)
{
var intent = new PaymentIntent(
destination: address,
amount: amount,
subtractFee: subtractFee,
label: labels);
var txRes = wallet.BuildTransaction(
wallet.Kitchen.SaltSoup(),
intent,
FeeStrategy.CreateFromFeeRate(feeRate),
allowUnconfirmed: true,
coins.Select(coin => coin.OutPoint));
return(txRes);
}
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 override async Task BuildTransaction(string password, PaymentIntent payments, FeeStrategy feeStrategy, bool allowUnconfirmed = false, IEnumerable <OutPoint> allowedInputs = null)
{
BuildTransactionResult result = await Task.Run(() => Wallet.BuildTransaction(Password, payments, feeStrategy, allowUnconfirmed: true, allowedInputs: allowedInputs, GetPayjoinClient()));
MainWindowViewModel.Instance.StatusBar.TryAddStatus(StatusType.SigningTransaction);
SmartTransaction signedTransaction = result.Transaction;
if (Wallet.KeyManager.IsHardwareWallet && !result.Signed) // If hardware but still has a privkey then it's password, then meh.
{
try
{
IsHardwareBusy = true;
MainWindowViewModel.Instance.StatusBar.TryAddStatus(StatusType.AcquiringSignatureFromHardwareWallet);
var client = new HwiClient(Global.Network);
using var cts = new CancellationTokenSource(TimeSpan.FromMinutes(3));
PSBT signedPsbt = null;
try
{
signedPsbt = await client.SignTxAsync(Wallet.KeyManager.MasterFingerprint.Value, result.Psbt, cts.Token);
}
catch (HwiException)
{
await PinPadViewModel.UnlockAsync();
signedPsbt = await client.SignTxAsync(Wallet.KeyManager.MasterFingerprint.Value, result.Psbt, cts.Token);
}
signedTransaction = signedPsbt.ExtractSmartTransaction(result.Transaction);
}
finally
{
MainWindowViewModel.Instance.StatusBar.TryRemoveStatus(StatusType.AcquiringSignatureFromHardwareWallet);
IsHardwareBusy = false;
}
}
MainWindowViewModel.Instance.StatusBar.TryAddStatus(StatusType.BroadcastingTransaction);
await Task.Run(async() => await Global.TransactionBroadcaster.SendTransactionAsync(signedTransaction));
ResetUi();
}
protected SendControlViewModel(Wallet wallet, string title)
: base(title)
{
Global = Locator.Current.GetService <Global>();
Wallet = wallet;
LabelSuggestion = new SuggestLabelViewModel();
BuildTransactionButtonText = DoButtonText;
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)));
FeeRateCommand = ReactiveCommand.Create(ChangeFeeRateDisplay, outputScheduler: RxApp.MainThreadScheduler);
OnAddressPasteCommand = ReactiveCommand.Create((BitcoinUrlBuilder url) =>
{
SmartLabel label = url.Label;
if (!label.IsEmpty)
{
LabelSuggestion.Label = label;
}
if (url.Amount != null)
{
AmountText = url.Amount.ToString(false, true);
}
});
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 (Global.UiConfig.IsCustomChangeAddress && !IsMax && !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;
}
}
BuildTransactionResult result = await Task.Run(() => Wallet.BuildTransaction(Password, intent, feeStrategy, allowUnconfirmed: true, allowedInputs: selectedCoinReferences));
await DoAfterBuildTransaction(result);
}
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());
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 BuildTransactionValidationsTestAsync()
{
(string password, RPCClient 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();
using var wallet = new Wallet(network, bitcoinStore, keyManager, synchronizer, nodes, workDir, serviceConfiguration, synchronizer);
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 { })
