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 DoAfterBuildTransaction(BuildTransactionResult result)
{
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);
}
catch (Exception ex)
{
NotificationHelpers.Error(ex.ToUserFriendlyString());
return;
}
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, 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();
}