private async Task InitBlockchain()
{
_specProvider = new ChainSpecBasedSpecProvider(_chainSpec);
Account.AccountStartNonce = _chainSpec.Parameters.AccountStartNonce;
/* sync */
IDbConfig dbConfig = _configProvider.GetConfig <IDbConfig>();
_syncConfig = _configProvider.GetConfig <ISyncConfig>();
foreach (PropertyInfo propertyInfo in typeof(IDbConfig).GetProperties())
{
if (_logger.IsDebug)
{
_logger.Debug($"DB {propertyInfo.Name}: {propertyInfo.GetValue(dbConfig)}");
}
}
_dbProvider = HiveEnabled
? (IDbProvider) new MemDbProvider()
: new RocksDbProvider(_initConfig.BaseDbPath, dbConfig, _logManager, _initConfig.StoreTraces, _initConfig.StoreReceipts || _syncConfig.DownloadReceiptsInFastSync);
_ethereumEcdsa = new EthereumEcdsa(_specProvider, _logManager);
_txPool = new TxPool(
new PersistentTxStorage(_dbProvider.PendingTxsDb, _specProvider),
Timestamp.Default,
_ethereumEcdsa,
_specProvider,
_txPoolConfig, _logManager);
var _rc7FixDb = _initConfig.EnableRc7Fix ? _dbProvider.HeadersDb : NullDb.Instance;
_receiptStorage = new PersistentReceiptStorage(_dbProvider.ReceiptsDb, _rc7FixDb, _specProvider, _logManager);
// IDbProvider debugRecorder = new RocksDbProvider(Path.Combine(_dbBasePath, "debug"), dbConfig);
// _dbProvider = new RpcDbProvider(_jsonSerializer, new BasicJsonRpcClient(KnownRpcUris.NethVm1, _jsonSerializer, _logManager), _logManager, debugRecorder);
// IDbProvider debugReader = new ReadOnlyDbProvider(new RocksDbProvider(Path.Combine(_dbBasePath, "debug"), dbConfig));
// _dbProvider = debugReader;
_blockTree = new BlockTree(
_dbProvider.BlocksDb,
_dbProvider.HeadersDb,
_dbProvider.BlockInfosDb,
_specProvider,
_txPool,
_syncConfig,
_logManager);
_recoveryStep = new TxSignaturesRecoveryStep(_ethereumEcdsa, _txPool, _logManager);
CliqueConfig cliqueConfig = null;
_snapshotManager = null;
switch (_chainSpec.SealEngineType)
{
case SealEngineType.None:
_sealer = NullSealEngine.Instance;
_sealValidator = NullSealEngine.Instance;
_rewardCalculator = NoBlockRewards.Instance;
break;
case SealEngineType.Clique:
_rewardCalculator = NoBlockRewards.Instance;
cliqueConfig = new CliqueConfig();
cliqueConfig.BlockPeriod = _chainSpec.Clique.Period;
cliqueConfig.Epoch = _chainSpec.Clique.Epoch;
_snapshotManager = new SnapshotManager(cliqueConfig, _dbProvider.BlocksDb, _blockTree, _ethereumEcdsa, _logManager);
_sealValidator = new CliqueSealValidator(cliqueConfig, _snapshotManager, _logManager);
_recoveryStep = new CompositeDataRecoveryStep(_recoveryStep, new AuthorRecoveryStep(_snapshotManager));
if (_initConfig.IsMining)
{
_sealer = new CliqueSealer(new BasicWallet(_nodeKey), cliqueConfig, _snapshotManager, _nodeKey.Address, _logManager);
}
else
{
_sealer = NullSealEngine.Instance;
}
break;
case SealEngineType.NethDev:
_sealer = NullSealEngine.Instance;
_sealValidator = NullSealEngine.Instance;
_rewardCalculator = NoBlockRewards.Instance;
break;
case SealEngineType.Ethash:
_rewardCalculator = new RewardCalculator(_specProvider);
var difficultyCalculator = new DifficultyCalculator(_specProvider);
if (_initConfig.IsMining)
{
_sealer = new EthashSealer(new Ethash(_logManager), _logManager);
}
else
{
_sealer = NullSealEngine.Instance;
}
_sealValidator = new EthashSealValidator(_logManager, difficultyCalculator, new Ethash(_logManager));
break;
default:
throw new NotSupportedException($"Seal engine type {_chainSpec.SealEngineType} is not supported in Nethermind");
}
/* validation */
_headerValidator = new HeaderValidator(
_blockTree,
_sealValidator,
_specProvider,
_logManager);
var ommersValidator = new OmmersValidator(
_blockTree,
_headerValidator,
_logManager);
var txValidator = new TxValidator(_specProvider.ChainId);
_blockValidator = new BlockValidator(
txValidator,
_headerValidator,
ommersValidator,
_specProvider,
_logManager);
var stateProvider = new StateProvider(
_dbProvider.StateDb,
_dbProvider.CodeDb,
_logManager);
_stateProvider = stateProvider;
var storageProvider = new StorageProvider(
_dbProvider.StateDb,
stateProvider,
_logManager);
_txPoolInfoProvider = new TxPoolInfoProvider(stateProvider);
_transactionPoolInfoProvider = new TxPoolInfoProvider(stateProvider);
/* blockchain processing */
var blockhashProvider = new BlockhashProvider(
_blockTree, _logManager);
var virtualMachine = new VirtualMachine(
stateProvider,
storageProvider,
blockhashProvider,
_logManager);
var transactionProcessor = new TransactionProcessor(
_specProvider,
stateProvider,
storageProvider,
virtualMachine,
_logManager);
_blockProcessor = new BlockProcessor(
_specProvider,
_blockValidator,
_rewardCalculator,
transactionProcessor,
_dbProvider.StateDb,
_dbProvider.CodeDb,
_dbProvider.TraceDb,
stateProvider,
storageProvider,
_txPool,
_receiptStorage,
_logManager);
_blockchainProcessor = new BlockchainProcessor(
_blockTree,
_blockProcessor,
_recoveryStep,
_logManager,
_initConfig.StoreReceipts,
_initConfig.StoreTraces);
// create shared objects between discovery and peer manager
IStatsConfig statsConfig = _configProvider.GetConfig <IStatsConfig>();
_nodeStatsManager = new NodeStatsManager(statsConfig, _logManager);
if (_initConfig.IsMining)
{
IReadOnlyDbProvider minerDbProvider = new ReadOnlyDbProvider(_dbProvider, false);
AlternativeChain producerChain = new AlternativeChain(_blockTree, _blockValidator, _rewardCalculator,
_specProvider, minerDbProvider, _recoveryStep, _logManager, _txPool, _receiptStorage);
switch (_chainSpec.SealEngineType)
{
case SealEngineType.Clique:
{
if (_logger.IsWarn)
{
_logger.Warn("Starting Clique block producer & sealer");
}
_blockProducer = new CliqueBlockProducer(_txPool, producerChain.Processor,
_blockTree, _timestamp, _cryptoRandom, producerChain.StateProvider, _snapshotManager, (CliqueSealer)_sealer, _nodeKey.Address, cliqueConfig, _logManager);
break;
}
case SealEngineType.NethDev:
{
if (_logger.IsWarn)
{
_logger.Warn("Starting Dev block producer & sealer");
}
_blockProducer = new DevBlockProducer(_txPool, producerChain.Processor, _blockTree,
_timestamp, _logManager);
break;
}
default:
throw new NotSupportedException($"Mining in {_chainSpec.SealEngineType} mode is not supported");
}
_blockProducer.Start();
}
_blockchainProcessor.Start();
LoadGenesisBlock(_chainSpec, string.IsNullOrWhiteSpace(_initConfig.GenesisHash) ? null : new Keccak(_initConfig.GenesisHash), _blockTree, stateProvider, _specProvider);
if (_initConfig.ProcessingEnabled)
{
#pragma warning disable 4014
LoadBlocksFromDb();
#pragma warning restore 4014
}
else
{
if (_logger.IsWarn)
{
_logger.Warn($"Shutting down the blockchain processor due to {nameof(InitConfig)}.{nameof(InitConfig.ProcessingEnabled)} set to false");
}
await _blockchainProcessor.StopAsync();
}
if (HiveEnabled)
{
await InitHive();
}
if (HiveEnabled)
{
await InitHive();
}
var producers = new List <IProducer>();
if (_initConfig.PubSubEnabled)
{
var kafkaProducer = await PrepareKafkaProducer(_blockTree, _configProvider.GetConfig <IKafkaConfig>());
producers.Add(kafkaProducer);
}
var grpcClientConfig = _configProvider.GetConfig <IGrpcClientConfig>();
if (grpcClientConfig.Enabled)
{
var grpcProducer = new GrpcProducer(_grpcClient, _logManager);
producers.Add(grpcProducer);
}
ISubscription subscription;
if (producers.Any())
{
subscription = new Subscription(producers, _blockProcessor, _logManager);
}
else
{
subscription = new EmptySubscription();
}
_disposeStack.Push(subscription);
_dataBridge = new DataBridge(subscription, _receiptStorage, _blockTree, _logManager);
_dataBridge.Start();
await InitializeNetwork();
}
private async Task InitializeNetwork(
IReceiptStorage receiptStorage,
ISealValidator sealValidator,
TxValidator txValidator)
{
ISyncConfig syncConfig = _configProvider.GetConfig <ISyncConfig>();
_syncPeerPool = new EthSyncPeerPool(_blockTree, _nodeStatsManager, syncConfig, _logManager);
NodeDataFeed feed = new NodeDataFeed(_dbProvider.CodeDb, _dbProvider.StateDb, _logManager);
NodeDataDownloader nodeDataDownloader = new NodeDataDownloader(_syncPeerPool, feed, _logManager);
_synchronizer = new Synchronizer(_blockTree, _blockValidator, _sealValidator, _syncPeerPool, syncConfig, nodeDataDownloader, _logManager);
_syncServer = new SyncServer(
_dbProvider.StateDb,
_dbProvider.CodeDb,
_blockTree,
_receiptStorage,
sealValidator,
_syncPeerPool,
_synchronizer,
_logManager);
InitDiscovery();
await InitPeer().ContinueWith(initPeerTask =>
{
if (initPeerTask.IsFaulted)
{
_logger.Error("Unable to init the peer manager.", initPeerTask.Exception);
}
});
;
await StartSync().ContinueWith(initNetTask =>
{
if (initNetTask.IsFaulted)
{
_logger.Error("Unable to start the synchronizer.", initNetTask.Exception);
}
});
await StartDiscovery().ContinueWith(initDiscoveryTask =>
{
if (initDiscoveryTask.IsFaulted)
{
_logger.Error("Unable to start the discovery protocol.", initDiscoveryTask.Exception);
}
});
try
{
StartPeer();
}
catch (Exception e)
{
_logger.Error("Unable to start the peer manager.", e);
}
;
if (_logger.IsInfo)
{
_logger.Info($"Ethereum : tcp://{_enode.IpAddress}:{_enode.P2PPort}");
}
if (_logger.IsInfo)
{
_logger.Info($"Version : {ClientVersion.Description}");
}
if (_logger.IsInfo)
{
_logger.Info($"This node : {_enode.Info}");
}
if (_logger.IsInfo)
{
_logger.Info($"Node address : {_enode.Address} (do not use as an account)");
}
}
private async Task InitBlockchain()
{
_specProvider = new ChainSpecBasedSpecProvider(_chainSpec);
Account.AccountStartNonce = _chainSpec.Parameters.AccountStartNonce;
/* sync */
IDbConfig dbConfig = _configProvider.GetConfig <IDbConfig>();
_syncConfig = _configProvider.GetConfig <ISyncConfig>();
foreach (PropertyInfo propertyInfo in typeof(IDbConfig).GetProperties())
{
if (_logger.IsDebug)
{
_logger.Debug($"DB {propertyInfo.Name}: {propertyInfo.GetValue(dbConfig)}");
}
}
_dbProvider = HiveEnabled
? (IDbProvider) new MemDbProvider()
: new RocksDbProvider(_initConfig.BaseDbPath, dbConfig, _logManager, _initConfig.StoreTraces, _initConfig.StoreReceipts || _syncConfig.DownloadReceiptsInFastSync);
// IDbProvider debugRecorder = new RocksDbProvider(Path.Combine(_initConfig.BaseDbPath, "debug"), dbConfig, _logManager, _initConfig.StoreTraces, _initConfig.StoreReceipts);
// _dbProvider = new RpcDbProvider(_jsonSerializer, new BasicJsonRpcClient(KnownRpcUris.Localhost, _jsonSerializer, _logManager), _logManager, debugRecorder);
// IDbProvider debugReader = new ReadOnlyDbProvider(new RocksDbProvider(Path.Combine(_initConfig.BaseDbPath, "debug"), dbConfig, _logManager, _initConfig.StoreTraces, _initConfig.StoreReceipts), false);
// _dbProvider = debugReader;
_stateProvider = new StateProvider(
_dbProvider.StateDb,
_dbProvider.CodeDb,
_logManager);
_ethereumEcdsa = new EthereumEcdsa(_specProvider, _logManager);
_txPool = new TxPool(
new PersistentTxStorage(_dbProvider.PendingTxsDb, _specProvider),
Timestamper.Default,
_ethereumEcdsa,
_specProvider,
_txPoolConfig, _stateProvider, _logManager);
var _rc7FixDb = _initConfig.EnableRc7Fix ? _dbProvider.HeadersDb : NullDb.Instance;
_receiptStorage = new PersistentReceiptStorage(_dbProvider.ReceiptsDb, _rc7FixDb, _specProvider, _logManager);
_blockTree = new BlockTree(
_dbProvider.BlocksDb,
_dbProvider.HeadersDb,
_dbProvider.BlockInfosDb,
_specProvider,
_txPool,
_syncConfig,
_logManager);
_recoveryStep = new TxSignaturesRecoveryStep(_ethereumEcdsa, _txPool, _logManager);
_snapshotManager = null;
_storageProvider = new StorageProvider(
_dbProvider.StateDb,
_stateProvider,
_logManager);
IList <IAdditionalBlockProcessor> blockPreProcessors = new List <IAdditionalBlockProcessor>();
// blockchain processing
var blockhashProvider = new BlockhashProvider(
_blockTree, _logManager);
var virtualMachine = new VirtualMachine(
_stateProvider,
_storageProvider,
blockhashProvider,
_specProvider,
_logManager);
_transactionProcessor = new TransactionProcessor(
_specProvider,
_stateProvider,
_storageProvider,
virtualMachine,
_logManager);
InitSealEngine(blockPreProcessors);
/* validation */
_headerValidator = new HeaderValidator(
_blockTree,
_sealValidator,
_specProvider,
_logManager);
var ommersValidator = new OmmersValidator(
_blockTree,
_headerValidator,
_logManager);
var txValidator = new TxValidator(_specProvider.ChainId);
_blockValidator = new BlockValidator(
txValidator,
_headerValidator,
ommersValidator,
_specProvider,
_logManager);
_txPoolInfoProvider = new TxPoolInfoProvider(_stateProvider, _txPool);
_blockProcessor = new BlockProcessor(
_specProvider,
_blockValidator,
_rewardCalculator,
_transactionProcessor,
_dbProvider.StateDb,
_dbProvider.CodeDb,
_dbProvider.TraceDb,
_stateProvider,
_storageProvider,
_txPool,
_receiptStorage,
_logManager,
blockPreProcessors);
_blockchainProcessor = new BlockchainProcessor(
_blockTree,
_blockProcessor,
_recoveryStep,
_logManager,
_initConfig.StoreReceipts,
_initConfig.StoreTraces);
// create shared objects between discovery and peer manager
IStatsConfig statsConfig = _configProvider.GetConfig <IStatsConfig>();
_nodeStatsManager = new NodeStatsManager(statsConfig, _logManager);
InitBlockProducers();
_blockchainProcessor.Start();
LoadGenesisBlock(string.IsNullOrWhiteSpace(_initConfig.GenesisHash) ? null : new Keccak(_initConfig.GenesisHash));
if (_initConfig.ProcessingEnabled)
{
#pragma warning disable 4014
RunBlockTreeInitTasks();
#pragma warning restore 4014
}
else
{
if (_logger.IsWarn)
{
_logger.Warn($"Shutting down the blockchain processor due to {nameof(InitConfig)}.{nameof(InitConfig.ProcessingEnabled)} set to false");
}
await _blockchainProcessor.StopAsync();
}
if (HiveEnabled)
{
await InitHive();
}
var producers = new List <IProducer>();
var kafkaConfig = _configProvider.GetConfig <IKafkaConfig>();
if (kafkaConfig.Enabled)
{
var kafkaProducer = await PrepareKafkaProducer(_blockTree, _configProvider.GetConfig <IKafkaConfig>());
producers.Add(kafkaProducer);
}
var grpcConfig = _configProvider.GetConfig <IGrpcConfig>();
if (grpcConfig.Enabled && grpcConfig.ProducerEnabled)
{
var grpcProducer = new GrpcProducer(_grpcServer);
producers.Add(grpcProducer);
}
ISubscription subscription;
if (producers.Any())
{
subscription = new Subscription(producers, _blockProcessor, _logManager);
}
else
{
subscription = new EmptySubscription();
}
_disposeStack.Push(subscription);
await InitializeNetwork();
}