internal async Task <bool> DownloadCheckPointAsync(uint blockCount)
{
{
uint endBlock = (blockCount / 100) * 100;
var blockResponse = await RequestTransactionBlocksAsync(endBlock, 1);
var ns = TcpClient.GetStream();
using (var ms = new MemoryStream())
{
for (uint i = 0; i <= blockResponse.Blocks.Last().BlockNumber / 10000; i++)
{
CheckPointRequest checkPointRequest =
new CheckPointRequest
{
Operation = NetOperationType.CheckPoint,
RequestType = RequestType.Request,
StartBlock = i * 10000,
EndBlock = ((i + 1) * 10000) - 1
};
if (checkPointRequest.EndBlock > blockResponse.Blocks.Last().BlockNumber - 1)
{
checkPointRequest.EndBlock = blockResponse.Blocks.Last().BlockNumber - 1;
}
checkPointRequest.CheckPointBlockCount = endBlock;
checkPointRequest.RequestId = 12345;
checkPointRequest.CheckPointHash = blockResponse.Blocks.Last().CheckPointHash;
using (MemoryStream requestStream = new MemoryStream())
{
checkPointRequest.SaveToStream(requestStream);
requestStream.Position = 0;
requestStream.CopyTo(ns);
ns.Flush();
}
WaitForData(10000);
Log.Info("Data received");
using (var responseStream = new MemoryStream())
{
var rp = await ReadResponse(responseStream);
Log.Info("All Data received");
responseStream.Position = 0;
CheckPointResponse response = new CheckPointResponse(responseStream);
}
}
return(true);
}
}
}
internal void DownloadCheckPoint(uint blockCount)
{
const uint REQUEST_ID = 123456;
void Handler(object o, BlockResponseEventArgs e)
{
if (e.BlockResponse.RequestId == REQUEST_ID)
{
Log.Debug(e.BlockResponse.Blocks.First().BlockNumber);
for (uint i = 0; i <= e.BlockResponse.Blocks.Last().BlockNumber / 10000; i++)
{
CheckPointRequest checkPointRequest =
new CheckPointRequest
{
Operation = NetOperationType.CheckPoint,
RequestType = RequestType.Request,
StartBlock = i * 10000,
EndBlock = ((i + 1) * 10000) - 1
};
if (checkPointRequest.EndBlock > e.BlockResponse.Blocks.Last().BlockNumber - 1)
{
checkPointRequest.EndBlock = e.BlockResponse.Blocks.Last().BlockNumber - 1;
}
checkPointRequest.CheckPointBlockCount = 14700;
checkPointRequest.RequestId = 12345;
checkPointRequest.CheckPointHash = e.BlockResponse.Blocks.Last().CheckPointHash;
using (MemoryStream ms = new MemoryStream())
{
checkPointRequest.SaveToStream(ms);
NetworkStream ns = TcpClient.GetStream();
ms.Position = 0;
ms.CopyTo(ns);
ns.Flush();
}
}
}
}
BlockResponse += Handler;
RequestBlockChain(blockCount, 1, REQUEST_ID, NetOperationType.Transactions);
}