private async Task SendExecute()
{
string tx = string.Empty;
try
{
if (IsBusy)
{
return;
}
IsBusy = true;
DialogService.ShowLoading();
if (!string.IsNullOrEmpty(ToAddress) && Quantity > 0 && SelectedItem != null) //todo address validation
{
var scriptHash = ToAddress.ToScriptHash(); // throws exception if address is not valid
if (_assetsPicker.TryGetValue(SelectedItem, out var contractHash))
{
tx = await _walletService.TransferNep5(ToAddress, Quantity, contractHash);
}
}
}
catch (Exception ex)
{
if (ex is RpcClientUnknownException || ex is RpcClientTimeoutException) //todo switch error message
{
AppSettings.ChangeRpcServer();
}
await DialogService.ShowAlertAsync(ex.Message, AppResource.Alert_Error);
}
finally
{
IsBusy = false;
DialogService.HideLoading();
if (!string.IsNullOrEmpty(tx))
{
await DialogService.ShowAlertAsync("Asset sent. It might take a few minutes for update balance.", "Success"); //todo localization
ToAddress = string.Empty;
Quantity = 0;
}
else
{
await DialogService.ShowAlertAsync(AppResource.Alert_SomethingWrong, AppResource.Alert_Error); //todo localization
}
}
}