コード例 #1
0
        public void PruneRepository_PruneAndCompact_OnShutDown()
        {
            var posBlocks        = CreatePosBlocks(50);
            var chainedHeaderTip = BuildProvenHeaderChainFromBlocks(posBlocks);

            var dataFolderPath = CreateTestDir(this);
            var dataFolder     = new DataFolder(dataFolderPath);

            var dBreezeSerializer = new DataStoreSerializer(this.Network.Consensus.ConsensusFactory);

            var blockRepository = new BlockRepository(this.Network, dataFolder, this.LoggerFactory.Object, dBreezeSerializer);

            blockRepository.PutBlocks(new HashHeightPair(posBlocks.Last().GetHash(), 50), posBlocks);

            var storeSettings = new StoreSettings(NodeSettings.Default(this.Network))
            {
                AmountOfBlocksToKeep = 10
            };

            var prunedBlockRepository = new PrunedBlockRepository(blockRepository, dBreezeSerializer, this.LoggerFactory.Object, storeSettings);

            prunedBlockRepository.Initialize();

            // Delete blocks 30 to 0 from the repo, this would have been done by the service before shutdown was initiated.
            blockRepository.DeleteBlocks(posBlocks.Take(30).Select(b => b.GetHash()).ToList());
            prunedBlockRepository.UpdatePrunedTip(chainedHeaderTip.GetAncestor(30));
            // Ensure that the block has been deleted from disk.
            Assert.Null(blockRepository.GetBlock(chainedHeaderTip.GetAncestor(29).HashBlock));

            // On shutdown the database will only be compacted.
            prunedBlockRepository.PruneAndCompactDatabase(chainedHeaderTip.GetAncestor(50), this.Network, false);
            Assert.Equal(chainedHeaderTip.GetAncestor(30).HashBlock, prunedBlockRepository.PrunedTip.Hash);
            Assert.Equal(chainedHeaderTip.GetAncestor(30).Height, prunedBlockRepository.PrunedTip.Height);
            Assert.Null(blockRepository.GetBlock(chainedHeaderTip.GetAncestor(29).HashBlock));
        }
コード例 #2
0
        public void CanStoreInBlockRepository()
        {
            BlockRepository blockRepository = CreateBlockRepository();
            StoredBlock     firstblk1       = StoredBlock.EnumerateFile(TestDataLocations.DataBlockFolder("blk0001.dat"), network: Network.StratisMain).First();

            blockRepository.WriteBlockHeader(firstblk1.Item.Header);
            Block result = blockRepository.GetBlock(firstblk1.Item.GetHash());

            Assert.True(result.HeaderOnly);

            blockRepository.WriteBlock(firstblk1.Item);
            result = blockRepository.GetBlock(firstblk1.Item.GetHash());
            Assert.False(result.HeaderOnly);
        }
コード例 #3
0
ファイル: BlockStoreTests.cs プロジェクト: georgepinca/src
        public void BlockRepositoryPutBatch()
        {
            using (var blockRepository = new BlockRepository(this.network, TestBase.CreateDataFolder(this), this.loggerFactory, this.dBreezeSerializer))
            {
                blockRepository.SetTxIndex(true);

                var blocks = new List <Block>();
                for (int i = 0; i < 5; i++)
                {
                    Block block = this.network.CreateBlock();
                    block.AddTransaction(this.network.CreateTransaction());
                    block.AddTransaction(this.network.CreateTransaction());
                    block.AddTransaction(this.network.CreateTransaction());

                    block.Transactions[0].AddInput(new TxIn(Script.Empty));
                    block.Transactions[0].AddOutput(Money.COIN + i * 2, Script.Empty);
                    block.Transactions[1].AddInput(new TxIn(Script.Empty));
                    block.Transactions[1].AddOutput(Money.COIN + i * 2 + 1, Script.Empty);

                    block.Transactions[2].AddObject(new TxObj(Money.COIN + i * 2 + 1, Script.Empty));


                    block.UpdateMerkleRoot();
                    block.Header.HashPrevBlock = blocks.Any() ? blocks.Last().GetHash() : this.network.GenesisHash;
                    blocks.Add(block);
                }

                // put
                blockRepository.PutBlocks(new HashHeightPair(blocks.Last().GetHash(), blocks.Count), blocks);

                // check the presence of each block in the repository
                foreach (Block block in blocks)
                {
                    Block received = blockRepository.GetBlock(block.GetHash());
                    Assert.True(block.ToBytes().SequenceEqual(received.ToBytes()));

                    foreach (Transaction transaction in block.Transactions)
                    {
                        Transaction trx = blockRepository.GetTransactionById(transaction.GetHash());
                        Assert.True(trx.ToBytes().SequenceEqual(transaction.ToBytes()));
                    }
                }

                // delete
                blockRepository.Delete(new HashHeightPair(blocks.ElementAt(2).GetHash(), 2), new[] { blocks.ElementAt(2).GetHash() }.ToList());
                Block deleted = blockRepository.GetBlock(blocks.ElementAt(2).GetHash());
                Assert.Null(deleted);
            }
        }
コード例 #4
0
        public void PruneRepository_PruneAndCompact_FromGenesis_OnStartUp()
        {
            var posBlocks        = CreatePosBlocks(50);
            var chainedHeaderTip = BuildProvenHeaderChainFromBlocks(posBlocks);

            var dataFolderPath = CreateTestDir(this);
            var dataFolder     = new DataFolder(dataFolderPath);

            var dBreezeSerializer = new DataStoreSerializer(this.Network.Consensus.ConsensusFactory);

            var blockRepository = new BlockRepository(this.Network, dataFolder, this.LoggerFactory.Object, dBreezeSerializer);

            blockRepository.PutBlocks(new HashHeightPair(posBlocks.Last().GetHash(), 50), posBlocks);

            var storeSettings = new StoreSettings(NodeSettings.Default(this.Network))
            {
                AmountOfBlocksToKeep = 10
            };

            var prunedBlockRepository = new PrunedBlockRepository(blockRepository, dBreezeSerializer, this.LoggerFactory.Object, storeSettings);

            prunedBlockRepository.Initialize();
            prunedBlockRepository.PruneAndCompactDatabase(chainedHeaderTip.GetAncestor(50), this.Network, true);

            // The first prune will delete blocks from 40 to 0.
            Assert.Equal(chainedHeaderTip.GetAncestor(40).HashBlock, prunedBlockRepository.PrunedTip.Hash);
            Assert.Equal(chainedHeaderTip.GetAncestor(40).Height, prunedBlockRepository.PrunedTip.Height);
            // Ensure that the block has been deleted from disk.
            Assert.Null(blockRepository.GetBlock(chainedHeaderTip.GetAncestor(39).HashBlock));
        }
コード例 #5
0
        public void TestCommitBlock()
        {
            BlockRepository subscriber = new BlockRepository();
            BlockBuilder    builder    = new BlockBuilder(subscriber, new TransactionRepository());

            var block = subscriber.GetBlock(62).Result;

            builder.CommitBlock(block).Wait();
            Assert.IsNotNull(block);
        }
コード例 #6
0
        public async Task PruneRepository_PruneAndCompact_MidChain_OnStartUpAsync()
        {
            var posBlocks        = CreatePosBlocks(200);
            var chainedHeaderTip = BuildProvenHeaderChainFromBlocks(posBlocks);

            var dataFolderPath = CreateTestDir(this);
            var dataFolder     = new DataFolder(dataFolderPath);

            var dBreezeSerializer = new DBreezeSerializer(this.Network.Consensus.ConsensusFactory);

            var blockRepository = new BlockRepository(this.Network, dataFolder, this.LoggerFactory.Object, dBreezeSerializer);

            blockRepository.PutBlocks(new HashHeightPair(posBlocks.Take(100).Last().GetHash(), 100), posBlocks.Take(100).ToList());

            var storeSettings = new StoreSettings(NodeSettings.Default(this.Network))
            {
                AmountOfBlocksToKeep = 50
            };

            var prunedBlockRepository = new PrunedBlockRepository(blockRepository, dBreezeSerializer, this.LoggerFactory.Object, storeSettings);
            await prunedBlockRepository.InitializeAsync();

            // The first prune will delete blocks from 50 to 0.
            await prunedBlockRepository.PruneAndCompactDatabase(chainedHeaderTip.GetAncestor(100), this.Network, true);

            Assert.Equal(chainedHeaderTip.GetAncestor(50).HashBlock, prunedBlockRepository.PrunedTip.Hash);
            Assert.Equal(chainedHeaderTip.GetAncestor(50).Height, prunedBlockRepository.PrunedTip.Height);
            // Ensure that the block has been deleted from disk.
            Assert.Null(blockRepository.GetBlock(chainedHeaderTip.GetAncestor(49).HashBlock));

            // Push more blocks to the repository and prune again.
            // This will delete blocks from height 150 to 50.
            blockRepository.PutBlocks(new HashHeightPair(posBlocks.Skip(100).Take(100).Last().GetHash(), 200), posBlocks.Skip(100).Take(100).ToList());
            await prunedBlockRepository.PruneAndCompactDatabase(chainedHeaderTip, this.Network, true);

            Assert.Equal(chainedHeaderTip.GetAncestor(150).HashBlock, prunedBlockRepository.PrunedTip.Hash);
            Assert.Equal(chainedHeaderTip.GetAncestor(150).Height, prunedBlockRepository.PrunedTip.Height);
            // Ensure that the block has been deleted from disk.
            Assert.Null(blockRepository.GetBlock(chainedHeaderTip.GetAncestor(149).HashBlock));
        }