private async Task <List <NodeInfo> > DiscoverNodesAsync(IPeer peer) { try { var nodeList = await peer.GetNodesAsync(); if (nodeList?.Nodes == null) { return(new List <NodeInfo>()); } Logger.LogDebug($"Discover nodes: {nodeList} from peer: {peer}."); return(nodeList.Nodes.ToList()); } catch (Exception e) { Logger.LogWarning(e, "Discover nodes failed."); return(new List <NodeInfo>()); } }