private void OnGetHeaders(RemoteNode remoteNode, GetBlocksPayload payload)
{
// if in comparison mode, synchronize all work before returning current headers
if (this.Type == LocalClientType.ComparisonToolTestNet)
{
this.blockchainDaemon.WaitForFullUpdate();
}
var currentBlockchainLocal = this.blockchainDaemon.CurrentBlockchain;
var blockHeaders = new List <BlockHeader>(currentBlockchainLocal.BlockCount);
foreach (var chainedBlock in currentBlockchainLocal.BlockList)
{
BlockHeader blockHeader;
if (this.blockchainDaemon.CacheContext.BlockHeaderCache.TryGetValue(chainedBlock.BlockHash, out blockHeader))
{
blockHeaders.Add(blockHeader);
}
else
{
Debugger.Break();
Debug.WriteLine("Couldn't generate getheaders response");
return;
}
}
var payloadStream = new MemoryStream();
using (var payloadWriter = new BinaryWriter(payloadStream))
{
payloadWriter.WriteVarInt((UInt64)blockHeaders.Count);
foreach (var blockHeader in blockHeaders)
{
NetworkEncoder.EncodeBlockHeader(payloadStream, blockHeader);
payloadWriter.WriteVarInt(0);
}
}
remoteNode.Sender.SendMessageAsync(Messaging.ConstructMessage("headers", payloadStream.ToArray())).Wait();
}
private void OnPing(RemoteNode remoteNode, ImmutableArray <byte> payload)
{
remoteNode.Sender.SendMessageAsync(Messaging.ConstructMessage("pong", payload.ToArray())).Wait();
}
private void OnPing(Peer peer, ImmutableArray <byte> payload)
{
peer.Sender.SendMessageAsync(Messaging.ConstructMessage("pong", payload.ToArray())).Wait();
}