/// <summary>
/// Merges current instance of the configuration to the target instance.
/// </summary>
/// <param name="destination">Target instance to merge current instance into.</param>
public void MergeInto(TextFileConfiguration destination)
{
foreach (var kv in this.args)
{
foreach (var v in kv.Value)
{
destination.Add(kv.Key, v);
}
}
}
/// <summary>
/// Initializes a new instance of the object.
/// </summary>
/// <param name="innerNetwork">Specification of the network the node runs on - regtest/testnet/mainnet.</param>
/// <param name="protocolVersion">Supported protocol version for which to create the configuration.</param>
/// <param name="agent">The nodes user agent that will be shared with peers.</param>
public NodeSettings(Network innerNetwork = null, ProtocolVersion protocolVersion = SupportedProtocolVersion,
string agent = "XelsBitcoin", string[] args = null, bool loadConfiguration = true)
{
this.Agent = agent;
this.Network = innerNetwork;
this.ProtocolVersion = protocolVersion;
this.Log = new LogSettings();
this.LoggerFactory = new ExtendedLoggerFactory();
this.LoggerFactory.AddConsoleWithFilters();
this.LoggerFactory.AddNLog();
this.Logger = this.LoggerFactory.CreateLogger(typeof(NodeSettings).FullName);
// Load arguments or configuration from .ctor?
this.LoadArgs = args ?? new string[] { };
// By default, we look for a file named '<network>.conf' in the network's data directory,
// but both the data directory and the configuration file path may be changed using the -datadir and -conf command-line arguments.
this.ConfigurationFile = this.LoadArgs.GetValueOf("-conf")?.NormalizeDirectorySeparator();
this.DataDir = this.LoadArgs.GetValueOf("-datadir")?.NormalizeDirectorySeparator();
// If the configuration file is relative then assume it is relative to the data folder and combine the paths
if (this.DataDir != null && this.ConfigurationFile != null)
{
bool isRelativePath = Path.GetFullPath(this.ConfigurationFile).Length > this.ConfigurationFile.Length;
if (isRelativePath)
{
this.ConfigurationFile = Path.Combine(this.DataDir, this.ConfigurationFile);
}
}
// If the network is not known then derive it from the command line arguments
if (this.Network == null)
{
var regTest = false;
var testNet = false;
// Find out if we need to run on testnet or regtest from the config file.
if (this.ConfigurationFile != null)
{
AssertConfigFileExists(this.ConfigurationFile);
var configTemp = new TextFileConfiguration(File.ReadAllText(this.ConfigurationFile));
testNet = configTemp.GetOrDefault <bool>("testnet", false);
regTest = configTemp.GetOrDefault <bool>("regtest", false);
}
// Only if args contains -testnet, do we set it to true, otherwise it overwrites file configuration
if (this.LoadArgs.Contains("-testnet", StringComparer.CurrentCultureIgnoreCase))
{
testNet = true;
}
// Only if args contains -regtest, do we set it to true, otherwise it overwrites file configuration
if (this.LoadArgs.Contains("-regtest", StringComparer.CurrentCultureIgnoreCase))
{
regTest = true;
}
if (testNet && regTest)
{
throw new ConfigurationException("Invalid combination of -regtest and -testnet.");
}
this.Network = testNet ? Network.TestNet : regTest?Network.RegTest : Network.Main;
}
// Load configuration from .ctor?
if (loadConfiguration)
{
this.LoadConfiguration();
}
}
/// <summary>
/// Loads the configuration file.
/// </summary>
/// <returns>Initialized node configuration.</returns>
/// <exception cref="ConfigurationException">Thrown in case of any problems with the configuration file or command line arguments.</exception>
public NodeSettings LoadConfiguration()
{
// Configuration already loaded?
if (this.ConfigReader != null)
{
return(this);
}
// Get the arguments set previously
var args = this.LoadArgs;
// Setting the data directory.
if (this.DataDir == null)
{
this.DataDir = this.CreateDefaultDataDirectories(Path.Combine("XelsNode", this.Network.RootFolderName), this.Network);
}
else
{
// Create the data directories if they don't exist.
string directoryPath = Path.Combine(this.DataDir, this.Network.RootFolderName, this.Network.Name);
Directory.CreateDirectory(directoryPath);
this.DataDir = directoryPath;
this.Logger.LogDebug("Data directory initialized with path {0}.", directoryPath);
}
// If no configuration file path is passed in the args, load the default file.
if (this.ConfigurationFile == null)
{
this.ConfigurationFile = this.CreateDefaultConfigurationFile();
}
var consoleConfig = new TextFileConfiguration(args);
var config = new TextFileConfiguration(File.ReadAllText(this.ConfigurationFile));
this.ConfigReader = config;
consoleConfig.MergeInto(config);
this.DataFolder = new DataFolder(this.DataDir);
if (!Directory.Exists(this.DataFolder.CoinViewPath))
{
Directory.CreateDirectory(this.DataFolder.CoinViewPath);
}
// Set the configuration filter and file path.
this.Log.Load(config);
this.LoggerFactory.AddFilters(this.Log, this.DataFolder);
this.LoggerFactory.ConfigureConsoleFilters(this.LoggerFactory.GetConsoleSettings(), this.Log);
this.Logger.LogDebug("Data directory set to '{0}'.", this.DataDir);
this.Logger.LogDebug("Configuration file set to '{0}'.", this.ConfigurationFile);
this.RequireStandard = config.GetOrDefault("acceptnonstdtxn", !(this.Network.IsTest()));
this.MaxTipAge = config.GetOrDefault("maxtipage", this.Network.MaxTipAge);
this.Logger.LogDebug("Network: IsTest='{0}', IsBitcoin='{1}'.", this.Network.IsTest(), this.Network.IsBitcoin());
this.MinTxFeeRate = new FeeRate(config.GetOrDefault("mintxfee", this.Network.MinTxFee));
this.Logger.LogDebug("MinTxFeeRate set to {0}.", this.MinTxFeeRate);
this.FallbackTxFeeRate = new FeeRate(config.GetOrDefault("fallbackfee", this.Network.FallbackFee));
this.Logger.LogDebug("FallbackTxFeeRate set to {0}.", this.FallbackTxFeeRate);
this.MinRelayTxFeeRate = new FeeRate(config.GetOrDefault("minrelaytxfee", this.Network.MinRelayTxFee));
this.Logger.LogDebug("MinRelayTxFeeRate set to {0}.", this.MinRelayTxFeeRate);
this.SyncTimeEnabled = config.GetOrDefault <bool>("synctime", true);
this.Logger.LogDebug("Time synchronization with peers is {0}.", this.SyncTimeEnabled ? "enabled" : "disabled");
// Add a prefix set by the user to the agent. This will allow people running nodes to
// identify themselves if they wish. The prefix is limited to 10 characters.
string agentPrefix = config.GetOrDefault("agentprefix", string.Empty);
agentPrefix = agentPrefix.Substring(0, Math.Min(10, agentPrefix.Length));
this.Agent = string.IsNullOrEmpty(agentPrefix) ? this.Agent : $"{agentPrefix}-{this.Agent}";
return(this);
}
