private async Task OnSubmitAsync(StratumClient <MoneroWorkerContext> client, Timestamped <JsonRpcRequest> tsRequest)
{
var request = tsRequest.Value;
try
{
if (request.Id == null)
{
throw new StratumException(StratumError.MinusOne, "missing request id");
}
// check age of submission (aged submissions are usually caused by high server load)
var requestAge = clock.UtcNow - tsRequest.Timestamp.UtcDateTime;
if (requestAge > maxShareAge)
{
logger.Debug(() => $"[{LogCat}] [{client.ConnectionId}] Dropping stale share submission request (not client's fault)");
return;
}
// check request
var submitRequest = request.ParamsAs <MoneroSubmitShareRequest>();
// validate worker
if (client.ConnectionId != submitRequest?.WorkerId || !client.Context.IsAuthorized)
{
throw new StratumException(StratumError.MinusOne, "unauthorized");
}
// recognize activity
client.Context.LastActivity = clock.UtcNow;
MoneroWorkerJob job;
lock (client.Context)
{
var jobId = submitRequest?.JobId;
if (string.IsNullOrEmpty(jobId) ||
(job = client.Context.ValidJobs.FirstOrDefault(x => x.Id == jobId)) == null)
{
throw new StratumException(StratumError.MinusOne, "invalid jobid");
}
}
// dupe check
var nonceLower = submitRequest.Nonce.ToLower();
lock (job)
{
if (job.Submissions.Contains(nonceLower))
{
throw new StratumException(StratumError.MinusOne, "duplicate share");
}
job.Submissions.Add(nonceLower);
}
var poolEndpoint = poolConfig.Ports[client.PoolEndpoint.Port];
var share = await manager.SubmitShareAsync(client, submitRequest, job, poolEndpoint.Difficulty);
// success
client.Respond(new MoneroResponseBase(), request.Id);
shareSubject.OnNext(Tuple.Create((object)client, share));
logger.Info(() => $"[{LogCat}] [{client.ConnectionId}] Share accepted: D={Math.Round(share.Difficulty, 3)}");
// update pool stats
if (share.IsBlockCandidate)
{
poolStats.LastPoolBlockTime = clock.UtcNow;
}
// update client stats
client.Context.Stats.ValidShares++;
}
catch (StratumException ex)
{
client.RespondError(ex.Code, ex.Message, request.Id, false);
// update client stats
client.Context.Stats.InvalidShares++;
logger.Info(() => $"[{LogCat}] [{client.ConnectionId}] Share rejected: {ex.Message}");
// banning
if (poolConfig.Banning?.Enabled == true)
{
ConsiderBan(client, client.Context, poolConfig.Banning);
}
}
}
private async Task OnSubmitAsync(StratumClient client, Timestamped <JsonRpcRequest> tsRequest)
{
var request = tsRequest.Value;
var context = client.ContextAs <MoneroWorkerContext>();
try
{
if (request.Id == null)
{
throw new StratumException(StratumError.MinusOne, "missing request id");
}
// check age of submission (aged submissions are usually caused by high server load)
var requestAge = clock.Now - tsRequest.Timestamp.UtcDateTime;
if (requestAge > maxShareAge)
{
logger.Debug(() => $"[{client.ConnectionId}] Dropping stale share submission request (not client's fault)");
return;
}
// check request
var submitRequest = request.ParamsAs <MoneroSubmitShareRequest>();
// validate worker
if (client.ConnectionId != submitRequest?.WorkerId || !context.IsAuthorized)
{
throw new StratumException(StratumError.MinusOne, "unauthorized");
}
// recognize activity
context.LastActivity = clock.Now;
MoneroWorkerJob job;
lock (context)
{
var jobId = submitRequest?.JobId;
if ((job = context.FindJob(jobId)) == null)
{
throw new StratumException(StratumError.MinusOne, "invalid jobid");
}
}
// dupe check
var nonceLower = submitRequest.Nonce.ToLower();
lock (job)
{
if (job.Submissions.Contains(nonceLower))
{
throw new StratumException(StratumError.MinusOne, "duplicate share");
}
job.Submissions.Add(nonceLower);
}
var poolEndpoint = poolConfig.Ports[client.PoolEndpoint.Port];
var share = await manager.SubmitShareAsync(client, submitRequest, job, poolEndpoint.Difficulty);
client.Respond(new MoneroResponseBase(), request.Id);
// publish
messageBus.SendMessage(new ClientShare(client, share));
// telemetry
PublishTelemetry(TelemetryCategory.Share, clock.Now - tsRequest.Timestamp.UtcDateTime, true);
logger.Info(() => $"[{client.ConnectionId}] Share accepted: D={Math.Round(share.Difficulty, 3)}");
// update pool stats
if (share.IsBlockCandidate)
{
poolStats.LastPoolBlockTime = clock.Now;
}
// update client stats
context.Stats.ValidShares++;
UpdateVarDiff(client);
}
catch (StratumException ex)
{
client.RespondError(ex.Code, ex.Message, request.Id, false);
// telemetry
PublishTelemetry(TelemetryCategory.Share, clock.Now - tsRequest.Timestamp.UtcDateTime, false);
// update client stats
context.Stats.InvalidShares++;
logger.Info(() => $"[{client.ConnectionId}] Share rejected: {ex.Message}");
// banning
ConsiderBan(client, context, poolConfig.Banning);
}
}
