public void ValidSomeBlocks()
{
using (NodeContext ctx = NodeContext.Create(network: Network.Main))
{
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 stack = new CoinViewStack(
new CacheCoinView(
new PrefetcherCoinView(
new BackgroundCommiterCoinView(
ctx.PersistentCoinView))));
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.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("Downloaded Count :\t" + puller.RollingAverageDownloadedCount + " blocks");
Console.WriteLine("CoinViewTip :\t" + backgroundCommiter.Tip.Height);
Console.WriteLine("CommitingTip :\t" + backgroundCommiter.CommitingTip.Height);
Console.WriteLine("InnerTip :\t" + backgroundCommiter.InnerTip.Height);
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;
var snapshot3 = cache.PerformanceCounter.Snapshot();
Console.Write(snapshot3 - lastSnapshot3);
lastSnapshot3 = snapshot3;
}
}
}
}
public void TestDBreezeInsertOrder()
{
using (NodeContext ctx = NodeContext.Create())
{
using (var engine = new DBreeze.DBreezeEngine(ctx.FolderName + "/2"))
{
var data = new[]
{
new uint256(3),
new uint256(2),
new uint256(2439425),
new uint256(5),
new uint256(243945),
new uint256(10),
new uint256(Hashes.Hash256(new byte[0])),
new uint256(Hashes.Hash256(new byte[] { 1 })),
new uint256(Hashes.Hash256(new byte[] { 2 })),
};
Array.Sort(data, new UInt256Comparer());
using (var tx = engine.GetTransaction())
{
foreach (var d in data)
{
tx.Insert("Table", d.ToBytes(false), d.ToBytes());
}
tx.Commit();
}
var data2 = new uint256[data.Length];
using (var tx = engine.GetTransaction())
{
int i = 0;
foreach (var row in tx.SelectForward <byte[], byte[]>("Table"))
{
data2[i++] = new uint256(row.Key, false);
}
}
Assert.True(data.SequenceEqual(data2));
}
}
}
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 UnspentOutputs[] { new UnspentOutputs(genesis.Transactions[0].GetHash(), new Coins(genesis.Transactions[0], 0)) });
Assert.NotNull(ctx.PersistentCoinView.FetchCoins(new[] { genesis.Transactions[0].GetHash() })[0]);
Assert.Null(ctx.PersistentCoinView.FetchCoins(new[] { new uint256() })[0]);
var chained = MakeNext(MakeNext(genesisChainedBlock));
chained = MakeNext(MakeNext(genesisChainedBlock));
ctx.PersistentCoinView.SaveChanges(chained, new UnspentOutputs[0]);
Assert.Equal(chained.HashBlock, ctx.PersistentCoinView.Tip.HashBlock);
ctx.ReloadPersistentCoinView();
Assert.Equal(chained.HashBlock, ctx.PersistentCoinView.Tip.HashBlock);
Assert.NotNull(ctx.PersistentCoinView.FetchCoins(new[] { genesis.Transactions[0].GetHash() })[0]);
Assert.Null(ctx.PersistentCoinView.FetchCoins(new[] { new uint256() })[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;
}
}
}
}
}