Пример #1
0
        private async Task InitBlockchain()
        {
            ChainSpec chainSpec = LoadChainSpec(_initConfig.ChainSpecPath);

            /* spec */
            // TODO: rebuild to use chainspec
            ISpecProvider specProvider;

            if (chainSpec.ChainId == RopstenSpecProvider.Instance.ChainId)
            {
                specProvider = RopstenSpecProvider.Instance;
            }
            else if (chainSpec.ChainId == MainNetSpecProvider.Instance.ChainId)
            {
                specProvider = MainNetSpecProvider.Instance;
            }
            else
            {
                throw new NotSupportedException($"Not yet tested, not yet supported ChainId {chainSpec.ChainId}");
            }

            var ethereumSigner = new EthereumSigner(
                specProvider,
                _logManager);

            var transactionStore = new TransactionStore();

            var sealEngine = ConfigureSealEngine(
                transactionStore,
                ethereumSigner);

            /* sync */
            IDbConfig dbConfig = _configProvider.GetConfig <IDbConfig>();

            foreach (PropertyInfo propertyInfo in typeof(IDbConfig).GetProperties())
            {
                _logger.Info($"DB {propertyInfo.Name}: {propertyInfo.GetValue(dbConfig)}");
            }

            var blocksDb = new DbOnTheRocks(
                Path.Combine(_dbBasePath, DbOnTheRocks.BlocksDbPath),
                dbConfig);

            var blockInfosDb = new DbOnTheRocks(
                Path.Combine(_dbBasePath, DbOnTheRocks.BlockInfosDbPath),
                dbConfig);

            var receiptsDb = new DbOnTheRocks(
                Path.Combine(_dbBasePath, DbOnTheRocks.ReceiptsDbPath),
                dbConfig);

            /* blockchain */
            _blockTree = new BlockTree(
                blocksDb,
                blockInfosDb,
                receiptsDb,
                specProvider,
                _logManager);

            var difficultyCalculator = new DifficultyCalculator(
                specProvider);

            /* validation */
            var headerValidator = new HeaderValidator(
                difficultyCalculator,
                _blockTree,
                sealEngine,
                specProvider,
                _logManager);

            var ommersValidator = new OmmersValidator(
                _blockTree,
                headerValidator,
                _logManager);

            var txValidator = new TransactionValidator(
                new SignatureValidator(specProvider.ChainId));

            var blockValidator = new BlockValidator(
                txValidator,
                headerValidator,
                ommersValidator,
                specProvider,
                _logManager);

            /* state */
            var dbProvider = new RocksDbProvider(
                _dbBasePath,
                _logManager,
                dbConfig);

            var stateDb = dbProvider.GetOrCreateStateDb();

            var stateTree = new StateTree(stateDb);

            var stateProvider = new StateProvider(
                stateTree,
                dbProvider.GetOrCreateCodeDb(),
                _logManager);

            var storageProvider = new StorageProvider(
                dbProvider,
                stateProvider,
                _logManager);

            /* blockchain processing */
            var blockhashProvider = new BlockhashProvider(
                _blockTree);

            var virtualMachine = new VirtualMachine(
                stateProvider,
                storageProvider,
                blockhashProvider,
                _logManager);

            var transactionProcessor = new TransactionProcessor(
                specProvider,
                stateProvider,
                storageProvider,
                virtualMachine,
                _tracer,
                _logManager);

            var rewardCalculator = new RewardCalculator(
                specProvider);

            var blockProcessor = new BlockProcessor(
                specProvider,
                blockValidator,
                rewardCalculator,
                transactionProcessor,
                dbProvider,
                stateProvider,
                storageProvider,
                transactionStore,
                _logManager);

            _blockchainProcessor = new BlockchainProcessor(
                _blockTree,
                sealEngine,
                transactionStore,
                difficultyCalculator,
                blockProcessor,
                ethereumSigner,
                _logManager, _perfService);

            // create shared objects between discovery and peer manager
            _nodeFactory       = new NodeFactory();
            _nodeStatsProvider = new NodeStatsProvider(_configProvider.GetConfig <IStatsConfig>(), _nodeFactory, _logManager);

            var jsonSerializer = new JsonSerializer(
                _logManager);

            var encrypter = new AesEncrypter(
                _configProvider,
                _logManager);

            _keyStore = new FileKeyStore(
                _configProvider,
                jsonSerializer,
                encrypter,
                _cryptoRandom,
                _logManager);

            //creating blockchain bridge
            BlockchainBridge = new BlockchainBridge(
                ethereumSigner,
                stateProvider,
                _keyStore,
                _blockTree,
                stateDb,
                transactionStore);

            EthereumSigner = ethereumSigner;

            _blockchainProcessor.Start();
            LoadGenesisBlock(chainSpec,
                             string.IsNullOrWhiteSpace(_initConfig.GenesisHash) ? null : new Keccak(_initConfig.GenesisHash),
                             _blockTree, stateProvider, specProvider);

#pragma warning disable 4014
            LoadBlocksFromDb();
#pragma warning restore 4014

            await InitializeNetwork(
                transactionStore,
                blockValidator,
                headerValidator,
                txValidator);
        }