Exemplo n.º 1
0
        public PruningWorker(WorkerConfig workerConfig, Func <ChainStateBuilder> getChainStateBuilder, Logger logger, IBlockchainRules rules, BlockTxHashesCache blockTxHashesCache, TransactionCache transactionCache, SpentTransactionsCache spentTransactionsCache, SpentOutputsCache spentOutputsCache)
            : base("PruningWorker", workerConfig.initialNotify, workerConfig.minIdleTime, workerConfig.maxIdleTime, logger)
        {
            this.getChainStateBuilder = getChainStateBuilder;
            this.rules = rules;
            this.blockTxHashesCache     = blockTxHashesCache;
            this.transactionCache       = transactionCache;
            this.spentTransactionsCache = spentTransactionsCache;
            this.spentOutputsCache      = spentOutputsCache;

            this.Mode = PruningMode.SpentOnly;
        }
Exemplo n.º 2
0
        public CoreDaemon(Logger logger, IKernel kernel, IBlockchainRules rules, BlockHeaderCache blockHeaderCache, ChainedHeaderCache chainedHeaderCache, BlockTxHashesCache blockTxHashesCache, TransactionCache transactionCache, BlockCache blockCache)
        {
            this.logger        = logger;
            this.shutdownToken = new CancellationTokenSource();

            this.kernel             = kernel;
            this.rules              = rules;
            this.blockHeaderCache   = blockHeaderCache;
            this.chainedHeaderCache = chainedHeaderCache;
            this.blockTxHashesCache = blockTxHashesCache;
            this.transactionCache   = transactionCache;
            this.blockCache         = blockCache;

            // write genesis block out to storage
            this.blockHeaderCache[this.rules.GenesisBlock.Hash]           = this.rules.GenesisBlock.Header;
            this.blockCache[this.rules.GenesisBlock.Hash]                 = this.rules.GenesisBlock;
            this.chainedHeaderCache[this.rules.GenesisChainedHeader.Hash] = this.rules.GenesisChainedHeader;

            // wire up cache events
            this.blockHeaderCache.OnAddition       += OnBlockHeaderAddition;
            this.blockHeaderCache.OnModification   += OnBlockHeaderModification;
            this.blockCache.OnAddition             += OnBlockAddition;
            this.blockCache.OnModification         += OnBlockModification;
            this.blockTxHashesCache.OnAddition     += OnBlockTxHashesAddition;
            this.blockTxHashesCache.OnModification += OnBlockTxHashesModification;
            this.chainedHeaderCache.OnAddition     += OnChainedHeaderAddition;
            this.chainedHeaderCache.OnModification += OnChainedHeaderModification;

            // create chain state builder
            this.chainStateBuilder =
                this.kernel.Get <ChainStateBuilder>(
                    new ConstructorArgument("chain", Chain.CreateForGenesisBlock(this.rules.GenesisChainedHeader).ToBuilder()),
                    new ConstructorArgument("parentUtxo", Utxo.CreateForGenesisBlock(this.rules.GenesisBlock.Hash)));

            this.chainStateLock = new ReaderWriterLockSlim();

            // create workers
            this.chainingWorker = kernel.Get <ChainingWorker>(
                new ConstructorArgument("workerConfig", new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromSeconds(0), maxIdleTime: TimeSpan.FromSeconds(30))));

            this.targetChainWorker = kernel.Get <TargetChainWorker>(
                new ConstructorArgument("workerConfig", new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromSeconds(0), maxIdleTime: TimeSpan.FromSeconds(30))));

            this.chainStateWorker = kernel.Get <ChainStateWorker>(
                new ConstructorArgument("workerConfig", new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.Zero, maxIdleTime: TimeSpan.FromSeconds(5))),
                new ConstructorArgument("getTargetChain", (Func <Chain>)(() => this.targetChainWorker.TargetChain)),
                new ConstructorArgument("targetChainWorker", this.targetChainWorker),
                new ConstructorArgument("chainStateBuilder", this.chainStateBuilder));

            this.targetChainWorker.OnTargetBlockChanged +=
                () =>
            {
                var handler = this.OnTargetBlockChanged;
                if (handler != null)
                {
                    handler(this, EventArgs.Empty);
                }
            };

            this.targetChainWorker.OnTargetChainChanged +=
                () =>
            {
                this.chainStateWorker.NotifyWork();

                var handler = this.OnTargetChainChanged;
                if (handler != null)
                {
                    handler(this, EventArgs.Empty);
                }
            };

            this.chainStateWorker.OnChainStateChanged +=
                () =>
            {
                this.utxoScanWorker.NotifyWork();

                //TODO once fully synced, this should save off the immutable snapshot immediately
                //TODO this will allow there to always be an active chain state once synced
                this.chainStateLock.DoWrite(() =>
                                            this.chainState = null);

                var handler = this.OnChainStateChanged;
                if (handler != null)
                {
                    handler(this, EventArgs.Empty);
                }
            };

            this.gcWorker = new WorkerMethod("GC Worker",
                                             () =>
            {
                this.logger.Info(
                    string.Join("\n",
                                new string('-', 80),
                                "GC Memory:      {0,10:#,##0.00} MB",
                                "Process Memory: {1,10:#,##0.00} MB",
                                new string('-', 80)
                                )
                    .Format2
                    (
                        /*0*/ (float)GC.GetTotalMemory(false) / 1.MILLION(),
                        /*1*/ (float)Process.GetCurrentProcess().PrivateMemorySize64 / 1.MILLION()
                    ));
            }, initialNotify: true, minIdleTime: TimeSpan.FromSeconds(30), maxIdleTime: TimeSpan.FromSeconds(30), logger: this.logger);

            this.utxoScanWorker = new WorkerMethod("UTXO Scan Worker",
                                                   () =>
            {
                var chainStateLocal = this.GetChainState();
                if (chainStateLocal == null)
                {
                    return;
                }

                new MethodTimer().Time("Full UTXO Scan: {0:#,##0}".Format2(chainStateLocal.Utxo.OutputCount), () =>
                {
                    var sha256 = new SHA256Managed();
                    foreach (var output in chainStateLocal.Utxo.GetUnspentOutputs())
                    {
                        if (new UInt256(sha256.ComputeDoubleHash(output.Value.ScriptPublicKey.ToArray())) == UInt256.Zero)
                        {
                        }
                    }
                });
            }, initialNotify: true, minIdleTime: TimeSpan.Zero, maxIdleTime: TimeSpan.MaxValue, logger: this.logger);
        }