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.", "");
}
});
}
private async Task <bool> AuthorizeAsync(TransactionAuthorizationInfo transactionAuthorizationInfo)
{
if (!_wallet.KeyManager.IsHardwareWallet && string.IsNullOrEmpty(_wallet.Kitchen.SaltSoup())) // Do not show auth dialog when password is empty
{
return(true);
}
var authDialog = AuthorizationHelpers.GetAuthorizationDialog(_wallet, transactionAuthorizationInfo);
var authDialogResult = await NavigateDialogAsync(authDialog, authDialog.DefaultTarget);
if (!authDialogResult.Result && authDialogResult.Kind == DialogResultKind.Normal)
{
await ShowErrorAsync("Authorization", "The Authorization has failed, please try again.", "");
}
return(authDialogResult.Result);
}
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.", "");
}
}