private async Task NetworkDiscovery()
{
var nodesActive = _nodesRepository.GetNodes(NodesRepositoryFilter.OnlyActive).ToList();
var nodesActiveWithoutSelf = nodesActive.Where(n => !n.Contains(_nodeOptions.Value.Self)).ToList();
if (nodesActive.Count == nodesActiveWithoutSelf.Count)
{
nodesActive.Add(_nodeOptions.Value.Self);
}
var tasks = nodesActiveWithoutSelf.Select(async(nodeUrl) =>
{
var timer = DateTimeOffset.Now.ToUnixTimeSeconds();
var result = await _peerCommunicationService.GetAsync <InformationNodes>(nodeUrl, Endpoints.Information + "/nodes");
var timespan = DateTimeOffset.Now.ToUnixTimeSeconds() - timer;
ProcessResult(nodeUrl, result, timespan);
if (result != null && result.Nodes != null && !result.Nodes.Contains(_nodeOptions.Value.Self))
{
await _peerCommunicationService.SendAsync(
nodesActiveWithoutSelf,
Endpoints.Information + "/nodes",
new InformationNodesAdd()
{
Nodes = nodesActive
});
}
});
await Task.WhenAll(tasks);
}
private IEnumerable <Block> GetNextBlockFromNodes(string headBlockHash)
{
foreach (var node in _nodesRepository.GetNodes(NodesRepositoryFilter.OnlyActive))
{
var headBlockHashEncoded = WebUtility.UrlEncode(headBlockHash);
var block = _peerCommunicationService.GetAsync <Block>(node, Endpoints.Blockchain + "/next/" + headBlockHashEncoded);
if (block != null && block.Result != null)
{
yield return(block.Result);
}
}
}