public void BlockDownloadFromNetwork()
{
using (var server = new NodeServer(Network.Main))
{
var originalNode = server.GetLocalNode();
var original = originalNode.BuildChain();
Assert.True(originalNode.FullVersion.StartHeight <= original.Height);
int simultaneous = 3;
var chaines = Enumerable.Range(0, simultaneous).Select(i => original.Clone()).ToArray();
var time = Benchmark.Bench(() =>
{
Parallel.For(0, simultaneous, new ParallelOptions()
{
MaxDegreeOfParallelism = simultaneous
}, i =>
{
var chain = chaines[i];
var node = new NodeServer(Network.Main).GetLocalNode();
var localTime = Benchmark.Bench(() =>
{
chain.PushChange(new ChainChange()
{
ChangeType = ChainChangeType.BackStep,
HeightOrBackstep = 100
}, null);
var blocks = node.GetBlocks(chain).ToList();
Assert.True(blocks.Count == 100 || blocks.Count == 101);
});
});
});
Console.WriteLine(time);
}
}
public void CanGetTransactionsFromMemPool()
{
using (var server = new NodeServer(Network.TestNet, ProtocolVersion.PROTOCOL_VERSION))
{
var node = server.GetLocalNode();
var transactions = node.GetMempoolTransactions();
Assert.True(transactions.Length > 0);
}
}
public void CanHandshake()
{
using (var server = new NodeServer(Network.TestNet, ProtocolVersion.PROTOCOL_VERSION))
{
var seed = server.GetLocalNode();
Assert.True(seed.State == NodeState.Connected);
seed.VersionHandshake();
Assert.True(seed.State == NodeState.HandShaked);
seed.Disconnect();
Assert.True(seed.State == NodeState.Offline);
}
}
public void CanDownloadHeaders()
{
using (var server = new NodeServer(Network.TestNet))
{
var node = server.GetLocalNode();
node.VersionHandshake();
var begin = node.Counter.Snapshot();
var result = node.BuildChain();
var end = node.Counter.Snapshot();
var diff = end - begin;
Assert.True(node.FullVersion.StartHeight <= result.Height);
}
}
public void CanDownloadBlocks()
{
using (var server = new NodeServer(Network.TestNet))
{
var node = server.GetLocalNode();
var chain = node.BuildChain();
chain.SetTip(chain.GetBlock(9));
var blocks = node.GetBlocks(chain).ToList();
foreach (var block in blocks)
{
Assert.True(block.CheckMerkleRoot());
}
Assert.Equal(10, blocks.Count);
}
}
public void CanDownloadBlock()
{
using (var server = new NodeServer(Network.TestNet))
{
var node = server.GetLocalNode();
node.VersionHandshake();
node.SendMessage(new GetDataPayload(new InventoryVector()
{
Hash = new uint256("00000000278d16a190be56f541b3fda44c3168b43dcc05d9c664e6f27ffe2c78"),
Type = InventoryType.MSG_BLOCK
}));
var block = node.RecieveMessage <BlockPayload>();
Assert.True(block.Object.CheckMerkleRoot());
}
}
public void CanDownloadLastBlocks()
{
using (var server = new NodeServer(Network.TestNet))
{
var node = server.GetLocalNode();
var chain = node.BuildChain();
Assert.True(node.FullVersion.StartHeight <= chain.Height);
var subChain = chain.CreateSubChain(chain.ToEnumerable(true).Skip(99).First(), true, chain.Tip, true);
var begin = node.Counter.Snapshot();
var blocks = node.GetBlocks(subChain).Select(_ => 1).ToList();
var end = node.Counter.Snapshot();
var diff = end - begin;
Assert.True(diff.Start == begin.Taken);
Assert.True(diff.Taken == end.Taken);
Assert.True(diff.TotalReadenBytes == end.TotalReadenBytes - begin.TotalReadenBytes);
Assert.True(diff.TotalWrittenBytes == end.TotalWrittenBytes - begin.TotalWrittenBytes);
Assert.True(blocks.Count == 100);
}
}
