public override Task <StateSyncBatch?> PrepareRequest()
{
StateSyncBatch?request;
lock (_requestedNodes)
{
if (_requestedNodes.Count == 0)
{
return(Task.FromResult((StateSyncBatch?)null));
}
StateSyncItem[] requestedNodes;
if (_requestedNodes.Count < StateSyncFeed.MaxRequestSize)
{
// do not make it state sync item :)
requestedNodes = _requestedNodes.Select(n => new StateSyncItem(n, NodeDataType.State)).ToArray();
_requestedNodes.Clear();
}
else
{
Keccak[] source = _requestedNodes.ToArray();
requestedNodes = new StateSyncItem[StateSyncFeed.MaxRequestSize];
_requestedNodes.Clear();
for (int i = 0; i < source.Length; i++)
{
if (i < StateSyncFeed.MaxRequestSize)
{
// not state sync item
requestedNodes[i] = new StateSyncItem(source[i], NodeDataType.State);
}
else
{
_requestedNodes.Add(source[i]);
}
}
}
request = new StateSyncBatch(requestedNodes);
request.ConsumerId = FeedId;
}
Interlocked.Increment(ref Metrics.BeamedRequests);
return(Task.FromResult <StateSyncBatch?>(request));
}
private static void BuildRequestAndHandleResponse(TrieNode node, StateSyncBatch stateSyncBatch, StateSyncFeed stateSyncFeed)
{
stateSyncBatch.Responses = new[] { node.FullRlp };
stateSyncFeed.HandleResponse(stateSyncBatch);
}
