private void Application_Startup(object sender, StartupEventArgs e)
{
var args = ProcessArguments.ParseArguments(e.Args);
var activeNetwork = args.IntendedNetwork;
WalletClient.Initialize();
var appDataDir = Portability.LocalAppData(Environment.OSVersion.Platform,
AssemblyResources.Organization, AssemblyResources.ProductName);
Directory.CreateDirectory(appDataDir);
var startupTask = Task.Run(async() =>
{
// Begin the asynchronous reading of the certificate before starting the wallet
// process. This uses filesystem events to know when to begin reading the certificate,
// and if there is too much delay between wallet writing the cert and this process
// beginning to observe the change, the event may never fire and the cert won't be read.
var rootCertificateTask = TransportSecurity.ReadModifiedCertificateAsync(appDataDir);
var walletProcess = WalletProcess.Start(activeNetwork, appDataDir);
WalletClient walletClient;
try
{
var listenAddress = WalletProcess.RpcListenAddress("localhost", activeNetwork);
var rootCertificate = await rootCertificateTask;
walletClient = await WalletClient.ConnectAsync(listenAddress, rootCertificate);
}
catch (Exception)
{
if (walletProcess.HasExited)
{
throw new Exception("Wallet process closed unexpectedly");
}
walletProcess.KillIfExecuting();
throw;
}
return(Tuple.Create(walletProcess, walletClient));
});
startupTask.Wait();
var startupResult = startupTask.Result;
ActiveNetwork = activeNetwork;
WalletRpcProcess = startupResult.Item1;
WalletRpcClient = startupResult.Item2;
Application.Current.Exit += Application_Exit;
}
private async void Connect()
{
try
{
ConnectCommand.Executable = false;
if (string.IsNullOrWhiteSpace(ConsensusServerNetworkAddress))
{
MessageBox.Show("Network address is required");
return;
}
if (string.IsNullOrWhiteSpace(ConsensusServerRpcUsername))
{
MessageBox.Show("RPC username is required");
return;
}
if (ConsensusServerRpcPassword.Length == 0)
{
MessageBox.Show("RPC password may not be empty");
return;
}
if (!File.Exists(ConsensusServerCertificateFile))
{
MessageBox.Show("Certificate file not found");
return;
}
var rpcOptions = new ConsensusServerRpcOptions(ConsensusServerNetworkAddress,
ConsensusServerRpcUsername, ConsensusServerRpcPassword, ConsensusServerCertificateFile);
try
{
await App.Current.Synchronizer.WalletRpcClient.StartConsensusRpc(rpcOptions);
}
catch (Exception ex) when(ErrorHandling.IsTransient(ex) || ErrorHandling.IsClientError(ex))
{
MessageBox.Show($"Unable to start {ConsensusServerRpcOptions.ApplicationName} RPC.\n\nCheck connection settings and try again.", "Error");
return;
}
await Task.Run(() =>
{
// save defaults to a file so that the user doesn't have to type this information again
var ini = new IniData();
ini.Sections.AddSection("Application Options");
ini["Application Options"]["rpcuser"] = ConsensusServerRpcUsername;
ini["Application Options"]["rpcpass"] = ConsensusServerRpcPassword;
ini["Application Options"]["rpclisten"] = ConsensusServerNetworkAddress;
var appDataDir = Portability.LocalAppData(Environment.OSVersion.Platform,
AssemblyResources.Organization, AssemblyResources.ProductName);
var parser = new FileIniDataParser();
parser.WriteFile(Path.Combine(appDataDir, "defaults.ini"), ini);
});
var walletExists = await App.Current.Synchronizer.WalletRpcClient.WalletExistsAsync();
if (!walletExists)
{
_wizard.CurrentDialog = new CreateOrImportSeedDialog(Wizard);
}
else
{
// TODO: Determine whether the public encryption is enabled and a prompt for the
// public passphrase prompt is needed before the wallet can be opened. If it
// does not, then the wallet can be opened directly here instead of creating
// another dialog.
_wizard.CurrentDialog = new PromptPublicPassphraseDialog(Wizard);
//await _walletClient.OpenWallet("public");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error");
}
finally
{
ConnectCommand.Executable = true;
}
}
private void Application_Startup(object sender, StartupEventArgs e)
{
// WPF defaults to using the en-US culture for all formatted bindings.
// Override this with the system's current culture.
FrameworkElement.LanguageProperty.OverrideMetadata(typeof(FrameworkElement),
new FrameworkPropertyMetadata(XmlLanguage.GetLanguage(CultureInfo.CurrentCulture.IetfLanguageTag)));
var args = ProcessArguments.ParseArguments(e.Args);
var activeNetwork = args.IntendedNetwork;
WalletClient.Initialize();
Directory.CreateDirectory(AppDataDir);
// try to obtain some default rpc settings to autofill the startup dialogs with.
// try paymetheus defaults first, and if that fails, look for a dcrd config.
try
{
var iniParser = new FileIniDataParser();
IniData config = null;
string defaultsFile = Path.Combine(AppDataDir, "defaults.ini");
if (File.Exists(defaultsFile))
{
config = iniParser.ReadFile(defaultsFile);
}
else
{
var consensusRpcAppData = Portability.LocalAppData(Environment.OSVersion.Platform,
"", ConsensusServerRpcOptions.ApplicationName);
var consensusRpcConfig = ConsensusServerRpcOptions.ApplicationName + ".conf";
var consensusConfigFilePath = Path.Combine(consensusRpcAppData, consensusRpcConfig);
if (File.Exists(consensusConfigFilePath))
{
config = iniParser.ReadFile(consensusConfigFilePath);
}
}
if (config != null)
{
// Settings can be found in either the Application Options or global sections.
var section = config["Application Options"];
if (section == null)
{
section = config.Global;
}
var rpcUser = section["rpcuser"] ?? "";
var rpcPass = section["rpcpass"] ?? "";
var rpcListen = section["rpclisten"] ?? "";
var rpcCert = section["rpccert"] ?? "";
// rpclisten and rpccert can be filled with sensible defaults when empty. user and password can not.
if (rpcListen == "")
{
rpcListen = "127.0.0.1";
}
if (rpcCert == "")
{
var localCertPath = ConsensusServerRpcOptions.LocalCertificateFilePath();
if (File.Exists(localCertPath))
{
rpcCert = localCertPath;
}
}
DefaultCSRPO = new ConsensusServerRpcOptions(rpcListen, rpcUser, rpcPass, rpcCert);
}
}
catch { } // Ignore any errors, this will just result in leaving defaults empty.
var syncTask = Task.Run(async() =>
{
return(await SynchronizerViewModel.Startup(activeNetwork, AppDataDir, args.SearchPathForWalletProcess,
args.ExtraWalletArgs));
});
var synchronizer = syncTask.Result;
SingletonViewModelLocator.RegisterInstance("Synchronizer", synchronizer);
ActiveNetwork = activeNetwork;
Synchronizer = synchronizer;
Current.Exit += Application_Exit;
}
private async void Connect()
{
try
{
ConnectCommand.Executable = false;
if (string.IsNullOrWhiteSpace(ConsensusServerNetworkAddress))
{
MessageBox.Show("Network address is required");
return;
}
if (string.IsNullOrWhiteSpace(ConsensusServerRpcUsername))
{
MessageBox.Show("RPC username is required");
return;
}
if (ConsensusServerRpcPassword.Length == 0)
{
MessageBox.Show("RPC password may not be empty");
return;
}
if (!File.Exists(ConsensusServerCertificateFile))
{
MessageBox.Show("Certificate file not found");
return;
}
var walletClient = App.Current.Synchronizer.WalletRpcClient;
var rpcOptions = new ConsensusServerRpcOptions(ConsensusServerNetworkAddress,
ConsensusServerRpcUsername, ConsensusServerRpcPassword, ConsensusServerCertificateFile);
try
{
await walletClient.StartConsensusRpc(rpcOptions);
}
catch (RpcException ex) when(ex.Status.StatusCode == StatusCode.NotFound)
{
var msg = string.Format("Unable to connect to {0}.\n\nConnection could not be established with `{1}`.",
ConsensusServerRpcOptions.ApplicationName, ConsensusServerNetworkAddress);
MessageBox.Show(msg, "Error");
return;
}
catch (Exception ex) when(ErrorHandling.IsTransient(ex) || ErrorHandling.IsClientError(ex))
{
MessageBox.Show($"Unable to connect to {ConsensusServerRpcOptions.ApplicationName}.\n\nCheck authentication settings and try again.", "Error");
return;
}
await Task.Run(() =>
{
// save defaults to a file so that the user doesn't have to type this information again
var ini = new IniData();
ini.Sections.AddSection("Application Options");
ini["Application Options"]["rpcuser"] = ConsensusServerRpcUsername;
ini["Application Options"]["rpcpass"] = ConsensusServerRpcPassword;
ini["Application Options"]["rpclisten"] = ConsensusServerNetworkAddress;
ini["Application Options"]["rpccert"] = ConsensusServerCertificateFile;
var appDataDir = Portability.LocalAppData(Environment.OSVersion.Platform,
AssemblyResources.Organization, AssemblyResources.ProductName);
var parser = new FileIniDataParser();
parser.WriteFile(Path.Combine(appDataDir, "defaults.ini"), ini);
});
var walletExists = await walletClient.WalletExistsAsync();
if (!walletExists)
{
_wizard.CurrentDialog = new PickCreateOrImportSeedDialog(Wizard);
}
else
{
// Attempt to open the wallet without any public passphrase. If this succeeds,
// continue by syncing the wallet. Otherwise, prompt for the public passphrase.
try
{
await walletClient.OpenWallet("");
_wizard.CurrentDialog = new OpenExistingWalletActivityProgress(Wizard);
}
catch (RpcException ex) when(ex.Status.StatusCode == StatusCode.InvalidArgument)
{
_wizard.CurrentDialog = new PromptPublicPassphraseDialog(Wizard);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error");
}
finally
{
ConnectCommand.Executable = true;
}
}