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());
}