public async Task <int> Run()
{
if (_quitToken.IsCancellationRequested)
{
return(0);
}
await Kademlia.Start();
TransactionManager.Start();
await CouncilManager.Start();
await NodeServer.Start();
await ClientServer.Start();
if (ServiceServer != null)
{
await ServiceServer.Start();
}
await _quitToken.WaitAsync();
await PubSub.PublishAsync(new QuitEvent());
await NodeServer.Stop();
await ClientServer.Stop();
await CouncilManager.Stop();
TransactionManager.Stop();
await Kademlia.Stop();
await ChainManager.Stop();
if (ServiceServer != null)
{
await ServiceServer.Stop();
}
await(Host as Host).Stop();
return(0);
}
public async Task <bool> Start(string[] args, CancellationTokenSource quiteToken)
{
_quitToken = quiteToken;
if (_quitToken.IsCancellationRequested)
{
return(false);
}
var dataPath = "heleusdata";
var genesis = false;
var sync = false;
var run = false;
var init = false;
var newChainConfig = false;
if (args.Length == 1)
{
dataPath = args[0];
run = true;
}
else if (args.Length == 2)
{
dataPath = args[0];
var cmd = args[1];
if (cmd == "init")
{
init = true;
}
else if (cmd == "run")
{
run = true;
}
else if (cmd == "sync")
{
sync = true;
}
else if (cmd == "chainconfig")
{
newChainConfig = true;
}
else if (cmd == "genesis")
{
genesis = true;
}
else
{
Usage();
return(false);
}
}
else
{
Usage();
return(false);
}
if ((run || sync) && !File.Exists(Path.Combine(dataPath, $"{nameof(NodeConfig).ToLower()}.txt")))
{
Usage();
var dp = new DirectoryInfo(dataPath);
Log.Error($"Data path {dp.FullName} not initalized.", this);
return(false);
}
Storage = new Storage(dataPath);
if (!Storage.IsWriteable)
{
Log.Fatal($"Data path {Storage.Root} is not writeable!", this);
return(false);
}
if (genesis)
{
Storage.DeleteDirectory("cache");
Storage.DeleteDirectory("chains");
}
PubSub = Log.PubSub = new PubSub();
Log.Write($"Starting Heleus Node (Version {Program.Version}).");
Log.Trace($"PID {System.Diagnostics.Process.GetCurrentProcess().Id}");
Log.Write($"Data path is '{Storage.Root.FullName}'.");
var config = Config.Load <NodeConfig>(Storage);
Log.AddIgnoreList(config.LogIgnore);
Log.LogLevel = config.LogLevel;
if (Program.IsDebugging)
{
Log.LogLevel = LogLevels.Trace;
}
if (newChainConfig)
{
var chainConfig = Config.Load <ChainConfig>(Storage, true);
//if (chainConfig.Chains.Count == 0)
{
Log.Write("Chain config generated.");
chainConfig.Chains.Add(new ChainConfig.ChainInfo {
ChainKeys = new List <ChainConfig.ChainKeyInfo> {
new ChainConfig.ChainKeyInfo {
ChainKey = string.Empty, ChainKeyPassword = string.Empty, AttachementKey = -1
}
}
});
Config.Save(chainConfig);
}
return(false);
}
if (init)
{
Log.Write("Config file generated.");
return(false);
}
if (!genesis)
{
if (config.NetworkPublicKey.IsNullOrEmpty())
{
Log.Write("Network key not set. Querying beacon nodes.");
var beacons = config.BeaconNodes;
foreach (var beacon in beacons)
{
Log.Write($"Querying beacon node {beacon}.");
var client = new NodeClient(new Uri(beacon));
var nodeInfo = (await client.DownloadNodeInfo()).Data;
if (nodeInfo != null)
{
config.NetworkPublicKey = nodeInfo.NetworkKey.HexString;
Config.Save(config);
Log.Write($"Network key set to {config.NetworkPublicKey}.");
break;
}
}
}
if (config.NetworkPublicKey.IsNullOrEmpty())
{
Log.Write("No valid network key found or set.", this);
return(false);
}
}
NodeConfiguration = new NodeConfiguration(config, Config.Load <CoreKeyConfig>(Storage, false), Config.Load <ChainConfig>(Storage, false));
Host = new Host(config);
AttachementManager = new AttachementManager(this);
ChainManager = new ChainManager(this);
if (!await ChainManager.Initalize())
{
return(false);
}
if (genesis)
{
var result = GenesisBlock.Generate(Storage);
var blockData = new BlockData <CoreBlock>(result.Block, result.Signature);
await ChainManager.Start(false);
await ChainManager.CoreChain.BlockStorage.StoreBlock(blockData);
ChainManager.ConsumeBlockData(blockData);
Log.Write($"Genesis block and keys generated. Network public key: {result.NetworkPublicKey.HexString}.");
var coreKeyConfig = Config.Load <CoreKeyConfig>(Storage);
coreKeyConfig.Key = result.NetworkVoteKey.HexString;
coreKeyConfig.Password = result.NetworkVotePassword;
config.NetworkPublicKey = result.NetworkPublicKey.HexString;
Config.Save(config);
Config.Save(coreKeyConfig);
await ChainManager.Stop();
await ChainManager.Start(true);
if (result.ServiceTransactions.Count > 0)
{
foreach (var serviceTransactions in result.ServiceTransactions)
{
var chainId = serviceTransactions.Key;
var transactions = serviceTransactions.Value;
var serviceChain = ChainManager.GetServiceChain(chainId);
var maintainChain = ChainManager.GetMaintainChain(chainId);
if (serviceChain != null)
{
var generator = new ServiceBlockGenerator(ChainManager.CoreChain, serviceChain, maintainChain, null);
foreach (var transaction in transactions)
{
generator.ConsumeTransaction(transaction);
}
var serviceBlock = generator.GenerateBlock(0, 0);
var serviceBlockData = new BlockData <ServiceBlock>(serviceBlock, new BlockSignatures(serviceBlock));
await serviceChain.BlockStorage.StoreBlock(serviceBlockData);
serviceChain.ConsumeBlockData(serviceBlockData);
}
}
}
await ChainManager.Stop();
return(false);
}
SyncManager = new SyncManager(this);
await SyncManager.Start();
//if (!await SyncManager.Start())
// return false;
if (sync)
{
Log.Write("Sync done.");
return(false);
}
AttachementManager.Start();
Kademlia = new Kademlia(Storage, this);
TransactionManager = new TransactionManager(this);
CouncilManager = new CouncilManager(this);
NodeServer = new NodeServer(this, config.MaxIncomingConnections, config.MaxOutgoingConnectoins);
ClientServer = new ClientServer(this);
if (Host.EnableRemoteServices)
{
ServiceServer = new ServiceServer();
}
await(Host as Host).Start(this);
return(true);
}