Exemple #1
0
        public void TestDBreezeSerialization()
        {
            using (NodeContext ctx = NodeContext.Create())
            {
                var genesis             = ctx.Network.GetGenesis();
                var genesisChainedBlock = new ChainedBlock(genesis.Header, 0);
                ctx.PersistentCoinView.SaveChanges(genesisChainedBlock,
                                                   new uint256[] { genesis.Transactions[0].GetHash() },
                                                   new Coins[] { new Coins(genesis.Transactions[0], 0) });
                Assert.NotNull(ctx.PersistentCoinView.AccessCoins(genesis.Transactions[0].GetHash()));
                Assert.Null(ctx.PersistentCoinView.AccessCoins(new uint256()));

                var chained = MakeNext(MakeNext(genesisChainedBlock));
                chained = MakeNext(MakeNext(genesisChainedBlock));
                ctx.PersistentCoinView.SaveChanges(chained, new uint256[0], new Coins[0]);
                Assert.Equal(chained.HashBlock, ctx.PersistentCoinView.Tip.HashBlock);
                ctx.ReloadPersistentCoinView();
                Assert.Equal(chained.HashBlock, ctx.PersistentCoinView.Tip.HashBlock);
                Assert.NotNull(ctx.PersistentCoinView.AccessCoins(genesis.Transactions[0].GetHash()));
                Assert.Null(ctx.PersistentCoinView.AccessCoins(new uint256()));
            }
        }
Exemple #2
0
        public void ValidSomeBlocks()
        {
            using (NodeContext ctx = NodeContext.Create(network: Network.Main, clean: false))
            {
                var network = ctx.Network;
                var chain   = new ConcurrentChain(network.GetGenesis().Header);
                if (network == NBitcoin.Network.Main)
                {
                    chain.Load(GetFile("main.data", "https://aois.blob.core.windows.net/public/main.data"));
                }
                else
                {
                    chain.Load(GetFile("test.data", "https://aois.blob.core.windows.net/public/test.data"));
                }

                //var threads = new CustomThreadPoolTaskScheduler(10, 100, "Parallel Coin Fetcher");

                var stack = new CoinViewStack(
                    new CacheCoinView(
                        // PrefetcherCoinView(
                        //new ParallelCoinView(threads,
                        new BackgroundCommiterCoinView(
                            ctx.PersistentCoinView)));                    //);
                //new InMemoryCoinView(chain.Genesis));

                var bottom               = stack.Bottom;
                var cache                = stack.Find <CacheCoinView>();
                var backgroundCommiter   = stack.Find <BackgroundCommiterCoinView>();
                ConsensusValidator valid = new ConsensusValidator(network.Consensus);
                valid.UseConsensusLib = false;
                Node node = Node.Connect(network, "yournode");
                node.VersionHandshake();
                var puller        = new CustomNodeBlockPuller(chain, node);
                var lastSnapshot  = valid.PerformanceCounter.Snapshot();
                var lastSnapshot2 = ctx.PersistentCoinView.PerformanceCounter.Snapshot();
                var lastSnapshot3 = cache == null ? null : cache.PerformanceCounter.Snapshot();
                foreach (var block in valid.Run(stack, puller))
                {
                    if ((DateTimeOffset.UtcNow - lastSnapshot.Taken) > TimeSpan.FromSeconds(5.0))
                    {
                        Console.WriteLine();

                        Console.WriteLine("ActualLookahead :\t" + puller.ActualLookahead + " blocks");
                        Console.WriteLine("Median Downloaded :\t" + puller.MedianDownloadCount + " blocks");
                        if (backgroundCommiter != null)
                        {
                            Console.WriteLine("CoinViewTip :\t" + backgroundCommiter.Tip.Height);
                            Console.WriteLine("CommitingTip :\t" + backgroundCommiter.CommitingTip.Height);
                        }
                        Console.WriteLine("Bottom Tip :\t" + bottom.Tip.Height);
                        if (cache != null)
                        {
                            Console.WriteLine("Cache entries :\t" + cache.CacheEntryCount);
                        }

                        var snapshot = valid.PerformanceCounter.Snapshot();
                        Console.Write(snapshot - lastSnapshot);
                        lastSnapshot = snapshot;

                        var snapshot2 = ctx.PersistentCoinView.PerformanceCounter.Snapshot();
                        Console.Write(snapshot2 - lastSnapshot2);
                        lastSnapshot2 = snapshot2;
                        if (cache != null)
                        {
                            var snapshot3 = cache.PerformanceCounter.Snapshot();
                            Console.Write(snapshot3 - lastSnapshot3);
                            lastSnapshot3 = snapshot3;
                        }
                    }
                }
            }
        }