private async void OnInit(object sender, EventArgs args)
{
Initializing -= OnInit;
while (Global.Wallet.State < WalletState.Initialized)
{
await Task.Delay(200);
}
Device.BeginInvokeOnMainThread(() =>
{
CoinList = new CoinListViewModel();
Observable.FromEventPattern(Global.Wallet.TransactionProcessor, nameof(Global.Wallet.TransactionProcessor.WalletRelevantTransactionProcessed))
.Throttle(TimeSpan.FromSeconds(0.1))
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ =>
{
Balance = Global.Wallet.Coins.TotalAmount().ToString();
HasPrivateCoins = Enumerable.Where(
Global.Wallet.Coins,
c => c.Unspent && !c.SpentAccordingToBackend && c.AnonymitySet > 1
).Sum(c => (long?)c.Amount) > 0;
});
Observable.FromEventPattern(Global.Wallet, nameof(Global.Wallet.NewBlockProcessed))
.Merge(Observable.FromEventPattern(Global.Wallet.TransactionProcessor, nameof(Global.Wallet.TransactionProcessor.WalletRelevantTransactionProcessed)))
.Throttle(TimeSpan.FromSeconds(3))
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(async _ => await TryRewriteTableAsync());
CoinJoinViewModel = new CoinJoinViewModel(CoinList);
SendAmountViewModel = new SendAmountViewModel(CoinList);
});
}
public FeeViewModel(SendAmountViewModel sendAmountViewModel)
: base(Locator.Current.GetService <IViewStackService>())
{
SendAmountViewModel = sendAmountViewModel;
NavBackCommand = ReactiveCommand.CreateFromObservable <Unit, Unit>(_ =>
{
return(ViewStackService.PopModal());
});
}
public SendWhoViewModel(SendAmountViewModel savm)
: base(Locator.Current.GetService <IViewStackService>())
{
Global = Locator.Current.GetService <Global>();
Memo = "";
Address = "";
SendAmountViewModel = savm;
var canPromptPassword = this.WhenAnyValue(x => x.Memo, x => x.Address, x => x.IsBusy,
(memo, addr, isBusy) =>
{
BitcoinAddress address;
try
{
address = BitcoinAddress.Create(addr.Trim(), Global.Network);
}
catch (FormatException)
{
// SetWarningMessage("Invalid address.");
return(false);
}
return(!isBusy && memo.Length > 0 && address is BitcoinAddress);
});
_promptViewModel = new PasswordPromptViewModel("SEND");
_promptViewModel.ValidatePasswordCommand.Subscribe(async validPassword =>
{
if (validPassword != null)
{
await ViewStackService.PopModal();
await BuildTransaction(validPassword);
await ViewStackService.PushPage(new SentViewModel());
}
});
PromptCommand = ReactiveCommand.CreateFromObservable(() =>
{
ViewStackService.PushModal(_promptViewModel).Subscribe();
return(Observable.Return(Unit.Default));
}, canPromptPassword);
}