private void OnGetHeadersMessageReceived(GetBlocksPayload payload)
{
if (!localNode.ServiceEnabled)
{
return;
}
if (Blockchain.Default == null)
{
return;
}
UInt256 hash = payload.HashStart.Select(p => Blockchain.Default.GetHeader(p)).Where(p => p != null).OrderBy(p => p.Index).Select(p => p.Hash).FirstOrDefault();
if (hash == null || hash == payload.HashStop)
{
return;
}
List <Header> headers = new List <Header>();
do
{
hash = Blockchain.Default.GetNextBlockHash(hash);
if (hash == null)
{
break;
}
headers.Add(Blockchain.Default.GetHeader(hash));
} while (hash != payload.HashStop && headers.Count < 2000);
EnqueueMessage("headers", HeadersPayload.Create(headers));
}
private void OnGetHeadersMessageReceived(GetBlocksPayload payload)
{
UInt256 hash = payload.HashStart;
int count = payload.Count < 0 ? HeadersPayload.MaxHeadersCount : payload.Count;
DataCache <UInt256, TrimmedBlock> cache = Blockchain.Singleton.Store.GetBlocks();
TrimmedBlock state = cache.TryGet(hash);
if (state == null)
{
return;
}
List <Header> headers = new List <Header>();
for (uint i = 1; i <= count; i++)
{
uint index = state.Index + i;
hash = Blockchain.Singleton.GetBlockHash(index);
if (hash == null)
{
break;
}
Header header = cache.TryGet(hash)?.Header;
if (header == null)
{
break;
}
headers.Add(header);
}
if (headers.Count == 0)
{
return;
}
Context.Parent.Tell(Message.Create(MessageCommand.Headers, HeadersPayload.Create(headers)));
}
public void DeserializeAndSerialize()
{
var header = new Header();
TestUtils.SetupHeaderWithValues(header, UInt256.Zero, out _, out _, out _, out _, out _, out _);
var test = HeadersPayload.Create(header);
var clone = test.ToArray().AsSerializable <HeadersPayload>();
Assert.AreEqual(test.Headers.Length, clone.Headers.Length);
Assert.AreEqual(test.Headers[0], clone.Headers[0]);
}
public void DeserializeAndSerialize()
{
var header = new Header();
TestUtils.SetupHeaderWithValues(header, UInt256.Zero, out UInt256 merkRoot, out UInt160 val160, out ulong timestampVal, out uint indexVal, out Witness scriptVal);
var test = HeadersPayload.Create(header);
var clone = test.ToArray().AsSerializable <HeadersPayload>();
Assert.AreEqual(test.Headers.Length, clone.Headers.Length);
Assert.AreEqual(test.Headers[0], clone.Headers[0]);
}
public void Size_Get()
{
var header = new Header();
TestUtils.SetupHeaderWithValues(header, UInt256.Zero, out _, out _, out _, out _, out _, out _);
var test = HeadersPayload.Create();
test.Size.Should().Be(1);
test = HeadersPayload.Create(header);
test.Size.Should().Be(1 + header.Size);
}
public void Size_Get()
{
var header = new Header();
TestUtils.SetupHeaderWithValues(header, UInt256.Zero, out UInt256 merkRoot, out UInt160 val160, out ulong timestampVal, out uint indexVal, out Witness scriptVal);
var test = HeadersPayload.Create();
test.Size.Should().Be(1);
test = HeadersPayload.Create(header);
test.Size.Should().Be(1 + header.Size);
}
private void OnGetHeadersMessageReceived(Message msg)
{
GetBlocksPayload payload = msg.GetPayload <GetBlocksPayload>();
UInt256 hash = payload.HashStart[0];
if (hash == payload.HashStop)
{
return;
}
DataCache <UInt256, BlockState> cache = blockchain.Store.GetBlocks();
BlockState state = cache.TryGet(hash);
if (state == null)
{
return;
}
List <Header> headers = new List <Header>();
for (uint i = 1; i <= HeadersPayload.MaxHeadersCount; i++)
{
uint index = state.TrimmedBlock.Index + i;
hash = blockchain.GetBlockHash(index);
if (hash == null)
{
break;
}
if (hash == payload.HashStop)
{
break;
}
Header header = cache.TryGet(hash)?.TrimmedBlock.Header;
if (header == null)
{
break;
}
headers.Add(header);
}
blockchain.Log($"OnGetHeaders, blockIndex:{state.TrimmedBlock.Index}, count:{headers.Count}, [{remoteNode.Remote.Address}]");
if (headers.Count == 0)
{
return;
}
Context.Parent.Tell(Message.Create(MessageType.Headers, HeadersPayload.Create(headers)));
}
private void OnGetHeadersMessageReceived(GetBlocksPayload payload)
{
UInt256 hash = payload.HashStart[0];
if (hash == payload.HashStop)
{
return;
}
DataCache <UInt256, BlockState> cache = blockchain.Store.GetBlocks();
BlockState state = cache.TryGet(hash);
if (state == null)
{
return;
}
List <Header> headers = new List <Header>();
for (uint i = 1; i <= HeadersPayload.MaxHeadersCount; i++)
{
uint index = state.TrimmedBlock.Index + i;
hash = blockchain.GetBlockHash(index);
if (hash == null)
{
break;
}
Header header = cache.TryGet(hash)?.TrimmedBlock.Header;
if (header == null)
{
break;
}
headers.Add(header);
}
if (headers.Count == 0)
{
return;
}
Context.Parent.Tell(Message.Create("headers", HeadersPayload.Create(headers)));
}
