protected override Task <EditNBXplorerWalletExternalServiceDataViewModel> BuildViewModel(
ExternalServiceData data)
{
var vm = new EditNBXplorerWalletExternalServiceDataViewModel(
new NBXplorerWalletService(data, _nbXplorerPublicWalletProvider, _derivationSchemeParser, _nbXplorerClientProvider)
.GetData());
vm.CryptoCodes = new SelectList(_nbXplorerOptions.Cryptos?.ToList() ?? new List <string>(),
vm.CryptoCode);
return(Task.FromResult(vm));
}
BuildModel(EditNBXplorerWalletExternalServiceDataViewModel viewModel, ExternalServiceData mainModel)
{
var failureViewModel = new EditNBXplorerWalletExternalServiceDataViewModel(viewModel);
failureViewModel.CryptoCodes = new SelectList(_nbXplorerOptions.Cryptos?.ToList() ?? new List <string>(),
viewModel.CryptoCode);
if (viewModel.Action.Equals("add-private-key", StringComparison.InvariantCultureIgnoreCase))
{
failureViewModel.PrivateKeys.Add(new PrivateKeyDetails());
return(null, failureViewModel);
}
if (viewModel.Action.StartsWith("remove-private-key", StringComparison.InvariantCultureIgnoreCase))
{
var index = int.Parse(viewModel.Action.Substring(viewModel.Action.IndexOf(":") + 1));
failureViewModel.PrivateKeys.RemoveAt(index);
return(null, failureViewModel);
}
if ((!string.IsNullOrEmpty(viewModel.DerivationStrategy) && !string.IsNullOrEmpty(viewModel.Address)) ||
string.IsNullOrEmpty(viewModel.DerivationStrategy) && string.IsNullOrEmpty(viewModel.Address))
{
ModelState.AddModelError(string.Empty,
"Please choose to track either an address OR a derivation scheme");
}
var client = _nbXplorerClientProvider.GetClient(viewModel.CryptoCode);
BitcoinAddress address = null;
DerivationStrategyBase derivationStrategy = null;
if (!string.IsNullOrEmpty(viewModel.Address) && !string.IsNullOrEmpty(viewModel.CryptoCode))
{
try
{
var factory = client.Network.DerivationStrategyFactory;
address = BitcoinAddress.Create(viewModel.Address, factory.Network);
}
catch (Exception)
{
ModelState.AddModelError(nameof(viewModel.Address), "Invalid Address");
}
}
if (!string.IsNullOrEmpty(viewModel.DerivationStrategy) && !string.IsNullOrEmpty(viewModel.CryptoCode))
{
try
{
var factory = client.Network.DerivationStrategyFactory;
derivationStrategy = _derivationSchemeParser.Parse(factory, viewModel.DerivationStrategy);
}
catch
{
ModelState.AddModelError(nameof(viewModel.DerivationStrategy), "Invalid Derivation Scheme");
}
}
//current External Service data
var externalServiceData = mainModel;
externalServiceData.Set(viewModel);
if (!ModelState.IsValid)
{
return(null, failureViewModel);
}
if (derivationStrategy != null)
{
client.Track(TrackedSource.Create(derivationStrategy));
}
if (address != null)
{
client.Track(TrackedSource.Create(address));
}
return(externalServiceData, null);
}
