Esempio n. 1
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        public void Defaults_are_fine()
        {
            NethDevSealEngine nethDevSealEngine = new NethDevSealEngine();

            nethDevSealEngine.Address.Should().Be(Address.Zero);
            nethDevSealEngine.CanSeal(1, Keccak.Zero).Should().BeTrue();
        }
Esempio n. 2
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        public void Validations_return_true()
        {
            NethDevSealEngine nethDevSealEngine = new NethDevSealEngine();

            nethDevSealEngine.ValidateParams(null, null).Should().Be(true);
            nethDevSealEngine.ValidateSeal(null, false).Should().Be(true);
            nethDevSealEngine.ValidateSeal(null, true).Should().Be(true);
        }
Esempio n. 3
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        public void Block_sealing_sets_the_hash()
        {
            Block block = Build.A.Block.TestObject;

            block.Header.Hash = Keccak.Zero;

            NethDevSealEngine nethDevSealEngine = new NethDevSealEngine();

            nethDevSealEngine.SealBlock(block, CancellationToken.None);
            block.Hash.Should().NotBe(Keccak.Zero);
        }
Esempio n. 4
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        protected virtual async Task <TestBlockchain> Build(ISpecProvider specProvider = null, UInt256?initialValues = null)
        {
            Timestamper    = new ManualTimestamper(new DateTime(2020, 2, 15, 12, 50, 30, DateTimeKind.Utc));
            JsonSerializer = new EthereumJsonSerializer();
            SpecProvider   = specProvider ?? MainnetSpecProvider.Instance;
            EthereumEcdsa  = new EthereumEcdsa(ChainId.Mainnet, LimboLogs.Instance);
            ITxStorage txStorage = new InMemoryTxStorage();

            DbProvider = await TestMemDbProvider.InitAsync();

            State = new StateProvider(StateDb, CodeDb, LimboLogs.Instance);
            State.CreateAccount(TestItem.AddressA, (initialValues ?? 1000.Ether()));
            State.CreateAccount(TestItem.AddressB, (initialValues ?? 1000.Ether()));
            State.CreateAccount(TestItem.AddressC, (initialValues ?? 1000.Ether()));
            byte[] code     = Bytes.FromHexString("0xabcd");
            Keccak codeHash = Keccak.Compute(code);

            State.UpdateCode(code);
            State.UpdateCodeHash(TestItem.AddressA, codeHash, SpecProvider.GenesisSpec);

            Storage = new StorageProvider(StateDb, State, LimboLogs.Instance);
            Storage.Set(new StorageCell(TestItem.AddressA, UInt256.One), Bytes.FromHexString("0xabcdef"));
            Storage.Commit();

            State.Commit(SpecProvider.GenesisSpec);
            State.CommitTree();

            TxPool = new TxPool.TxPool(
                txStorage,
                EthereumEcdsa,
                SpecProvider,
                new TxPoolConfig(),
                new StateProvider(StateDb, CodeDb, LimboLogs.Instance),
                LimboLogs.Instance);

            IDb blockDb     = new MemDb();
            IDb headerDb    = new MemDb();
            IDb blockInfoDb = new MemDb();

            BlockTree = new BlockTree(blockDb, headerDb, blockInfoDb, new ChainLevelInfoRepository(blockDb), SpecProvider, NullBloomStorage.Instance, LimboLogs.Instance);
            new OnChainTxWatcher(BlockTree, TxPool, SpecProvider, LimboLogs.Instance);

            ReceiptStorage = new InMemoryReceiptStorage();
            VirtualMachine virtualMachine = new VirtualMachine(State, Storage, new BlockhashProvider(BlockTree, LimboLogs.Instance), SpecProvider, LimboLogs.Instance);

            TxProcessor    = new TransactionProcessor(SpecProvider, State, Storage, virtualMachine, LimboLogs.Instance);
            BlockProcessor = CreateBlockProcessor();

            BlockchainProcessor chainProcessor = new BlockchainProcessor(BlockTree, BlockProcessor, new RecoverSignatures(EthereumEcdsa, TxPool, SpecProvider, LimboLogs.Instance), LimboLogs.Instance, Nethermind.Blockchain.Processing.BlockchainProcessor.Options.Default);

            BlockchainProcessor = chainProcessor;
            chainProcessor.Start();

            StateReader = new StateReader(StateDb, CodeDb, LimboLogs.Instance);
            TxPoolTxSource txPoolTxSource = CreateTxPoolTxSource();
            ISealer        sealer         = new NethDevSealEngine(TestItem.AddressD);

            BlockProducer = new TestBlockProducer(txPoolTxSource, chainProcessor, State, sealer, BlockTree, chainProcessor, Timestamper, LimboLogs.Instance);
            BlockProducer.Start();

            _resetEvent = new SemaphoreSlim(0);
            _suggestedBlockResetEvent = new ManualResetEvent(true);
            BlockTree.NewHeadBlock   += (s, e) =>
            {
                _resetEvent.Release(1);
            };
            BlockProducer.LastProducedBlockChanged += (s, e) =>
            {
                _suggestedBlockResetEvent.Set();
            };

            var genesis = GetGenesisBlock();

            BlockTree.SuggestBlock(genesis);
            await _resetEvent.WaitAsync();

            //if (!await _resetEvent.WaitAsync(1000))
            // {
            //     throw new InvalidOperationException("Failed to process genesis in 1s.");
            // }

            await AddBlocksOnStart();

            return(this);
        }
Esempio n. 5
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        public void Can_seal_returns_true()
        {
            NethDevSealEngine nethDevSealEngine = new NethDevSealEngine();

            nethDevSealEngine.CanSeal(1, Keccak.Zero).Should().BeTrue();
        }
Esempio n. 6
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        protected virtual async Task <TestBlockchain> Build(ISpecProvider specProvider = null)
        {
            Timestamper    = new ManualTimestamper(new DateTime(2020, 2, 15, 12, 50, 30, DateTimeKind.Utc));
            JsonSerializer = new EthereumJsonSerializer();
            SpecProvider   = specProvider ?? MainnetSpecProvider.Instance;
            EthereumEcdsa  = new EthereumEcdsa(ChainId.Mainnet, LimboLogs.Instance);
            ITxStorage txStorage = new InMemoryTxStorage();

            DbProvider = new MemDbProvider();
            State      = new StateProvider(StateDb, CodeDb, LimboLogs.Instance);
            State.CreateAccount(TestItem.AddressA, 1000.Ether());
            State.CreateAccount(TestItem.AddressB, 1000.Ether());
            State.CreateAccount(TestItem.AddressC, 1000.Ether());
            byte[] code     = Bytes.FromHexString("0xabcd");
            Keccak codeHash = Keccak.Compute(code);

            State.UpdateCode(code);
            State.UpdateCodeHash(TestItem.AddressA, codeHash, SpecProvider.GenesisSpec);

            Storage = new StorageProvider(StateDb, State, LimboLogs.Instance);
            Storage.Set(new StorageCell(TestItem.AddressA, UInt256.One), Bytes.FromHexString("0xabcdef"));
            Storage.Commit();

            State.Commit(SpecProvider.GenesisSpec);
            State.CommitTree();

            TxPool = new TxPool.TxPool(txStorage, Timestamper, EthereumEcdsa, SpecProvider, new TxPoolConfig(), State, LimboLogs.Instance);

            IDb blockDb     = new MemDb();
            IDb headerDb    = new MemDb();
            IDb blockInfoDb = new MemDb();

            BlockTree = new BlockTree(blockDb, headerDb, blockInfoDb, new ChainLevelInfoRepository(blockDb), SpecProvider, TxPool, NullBloomStorage.Instance, LimboLogs.Instance);

            ReceiptStorage = new InMemoryReceiptStorage();
            VirtualMachine virtualMachine = new VirtualMachine(State, Storage, new BlockhashProvider(BlockTree, LimboLogs.Instance), SpecProvider, LimboLogs.Instance);

            TxProcessor    = new TransactionProcessor(SpecProvider, State, Storage, virtualMachine, LimboLogs.Instance);
            BlockProcessor = CreateBlockProcessor();

            BlockchainProcessor chainProcessor = new BlockchainProcessor(BlockTree, BlockProcessor, new TxSignaturesRecoveryStep(EthereumEcdsa, TxPool, LimboLogs.Instance), LimboLogs.Instance, BlockchainProcessor.Options.Default);

            chainProcessor.Start();

            StateReader = new StateReader(StateDb, CodeDb, LimboLogs.Instance);
            TxPoolTxSource txPoolTxSource = new TxPoolTxSource(TxPool, StateReader, LimboLogs.Instance);
            ISealer        sealer         = new NethDevSealEngine(TestItem.AddressD);

            BlockProducer = new TestBlockProducer(txPoolTxSource, chainProcessor, State, sealer, BlockTree, chainProcessor, Timestamper, LimboLogs.Instance);
            BlockProducer.Start();

            _resetEvent             = new AutoResetEvent(false);
            BlockTree.NewHeadBlock += (s, e) =>
            {
                Console.WriteLine(e.Block.Header.Hash);
                _resetEvent.Set();
            };

            var genesis = GetGenesisBlock();

            BlockTree.SuggestBlock(genesis);
            await _resetEvent.WaitOneAsync(CancellationToken.None);

            await AddBlocksOnStart();

            return(this);
        }