protected bool UpdateJob(EthereumBlockTemplate blockTemplate) { logger.LogInvoke(LogCat); try { // may happen if daemon is currently not connected to peers if (blockTemplate == null || blockTemplate.Header?.Length == 0) return false; var job = currentJob; var isNew = currentJob == null || job.BlockTemplate.Header != blockTemplate.Header; if (isNew) { var jobId = NextJobId("x8"); // update template job = new EthereumJob(jobId, blockTemplate, logger); lock (jobLock) { // add jobs validJobs[jobId] = job; // remove old ones var obsoleteKeys = validJobs.Keys .Where(key => validJobs[key].BlockTemplate.Height < job.BlockTemplate.Height - MaxBlockBacklog).ToArray(); foreach (var key in obsoleteKeys) validJobs.Remove(key); } currentJob = job; // update stats BlockchainStats.LastNetworkBlockTime = clock.Now; BlockchainStats.BlockHeight = (long) job.BlockTemplate.Height; BlockchainStats.NetworkDifficulty = job.BlockTemplate.Difficulty; } return isNew; } catch (Exception ex) { logger.Error(ex, () => $"[{LogCat}] Error during {nameof(UpdateJob)}"); } return false; }
public EthereumJob(string id, EthereumBlockTemplate blockTemplate, ILogger logger) { Id = id; BlockTemplate = blockTemplate; this.logger = logger; var target = blockTemplate.Target; if (target.StartsWith("0x")) { target = target.Substring(2); } blockTarget = new uint256(target.HexToByteArray().ReverseArray()); }