public IActionResult AddDerivationScheme(string storeId, string cryptoCode)
{
var store = HttpContext.GetStoreData();
if (store == null)
{
return(NotFound());
}
var network = cryptoCode == null ? null : _ExplorerProvider.GetNetwork(cryptoCode);
if (network == null)
{
return(NotFound());
}
DerivationSchemeViewModel vm = new DerivationSchemeViewModel();
vm.ServerUrl = WalletsController.GetLedgerWebsocketUrl(this.HttpContext, cryptoCode, null);
vm.CryptoCode = cryptoCode;
vm.RootKeyPath = network.GetRootKeyPath();
SetExistingValues(store, vm);
return(View(vm));
}
public async Task <IActionResult> AddDerivationScheme(string storeId, DerivationSchemeViewModel vm, string cryptoCode)
{
vm.ServerUrl = WalletsController.GetLedgerWebsocketUrl(this.HttpContext, cryptoCode, null);
vm.CryptoCode = cryptoCode;
var store = HttpContext.GetStoreData();
if (store == null)
{
return(NotFound());
}
var network = cryptoCode == null ? null : _ExplorerProvider.GetNetwork(cryptoCode);
if (network == null)
{
return(NotFound());
}
vm.RootKeyPath = network.GetRootKeyPath();
var wallet = _WalletProvider.GetWallet(network);
if (wallet == null)
{
return(NotFound());
}
PaymentMethodId paymentMethodId = new PaymentMethodId(network.CryptoCode, PaymentTypes.BTCLike);
var exisingStrategy = store.GetSupportedPaymentMethods(_NetworkProvider)
.Where(c => c.PaymentId == paymentMethodId)
.OfType <DerivationStrategy>()
.Select(c => c.DerivationStrategyBase.ToString())
.FirstOrDefault();
DerivationStrategy strategy = null;
try
{
if (!string.IsNullOrEmpty(vm.DerivationScheme))
{
strategy = ParseDerivationStrategy(vm.DerivationScheme, null, network);
vm.DerivationScheme = strategy.ToString();
}
}
catch
{
ModelState.AddModelError(nameof(vm.DerivationScheme), "Invalid Derivation Scheme");
vm.Confirmation = false;
return(View(vm));
}
var showAddress = (vm.Confirmation && !string.IsNullOrWhiteSpace(vm.HintAddress)) || // Testing hint address
(!vm.Confirmation && strategy != null && exisingStrategy != strategy.DerivationStrategyBase.ToString()); // Checking addresses after setting xpub
if (!showAddress)
{
try
{
if (strategy != null)
{
await wallet.TrackAsync(strategy.DerivationStrategyBase);
}
store.SetSupportedPaymentMethod(paymentMethodId, strategy);
var storeBlob = store.GetStoreBlob();
storeBlob.SetExcluded(paymentMethodId, !vm.Enabled);
store.SetStoreBlob(storeBlob);
}
catch
{
ModelState.AddModelError(nameof(vm.DerivationScheme), "Invalid Derivation Scheme");
return(View(vm));
}
await _Repo.UpdateStore(store);
StatusMessage = $"Derivation scheme for {network.CryptoCode} has been modified.";
return(RedirectToAction(nameof(UpdateStore), new { storeId = storeId }));
}
else if (!string.IsNullOrEmpty(vm.HintAddress))
{
BitcoinAddress address = null;
try
{
address = BitcoinAddress.Create(vm.HintAddress, network.NBitcoinNetwork);
}
catch
{
ModelState.AddModelError(nameof(vm.HintAddress), "Invalid hint address");
return(ShowAddresses(vm, strategy));
}
try
{
strategy = ParseDerivationStrategy(vm.DerivationScheme, address.ScriptPubKey, network);
}
catch
{
ModelState.AddModelError(nameof(vm.HintAddress), "Impossible to find a match with this address");
return(ShowAddresses(vm, strategy));
}
vm.HintAddress = "";
vm.StatusMessage = "Address successfully found, please verify that the rest is correct and click on \"Confirm\"";
ModelState.Remove(nameof(vm.HintAddress));
ModelState.Remove(nameof(vm.DerivationScheme));
}
return(ShowAddresses(vm, strategy));
}
