public override async Task OnRequestAsync(IStratumClient client, Timestamped <JsonRpcRequest> timeStampedRequest)
{
var request = timeStampedRequest.Value;
var context = client.GetContextAs <MoneroWorkerContext>();
switch (request.Method)
{
case MoneroStratumMethods.Login:
OnLogin(client, timeStampedRequest);
break;
case MoneroStratumMethods.GetJob:
OnGetJob(client, timeStampedRequest);
break;
case MoneroStratumMethods.Submit:
await OnSubmitAsync(client, timeStampedRequest);
break;
case MoneroStratumMethods.KeepAlive:
context.LastActivity = MasterClock.Now; // recognize activity.
break;
default:
_logger.Debug($"[{client.ConnectionId}] Unsupported RPC request: {JsonConvert.SerializeObject(request, Globals.JsonSerializerSettings)}");
client.RespondError(StratumError.Other, $"Unsupported request {request.Method}", request.Id);
break;
}
}
public void OnConnect(IStratumClient client)
{
var context = CreateClientContext(); // create worker context.
context.Initialize(7500);
client.SetContext(context);
EnsureNoZombie(client); // make sure client communicates within a set period of time.
}
public MoneroJobParams CreateWorkerJob(IStratumClient client)
{
var context = client.GetContextAs <MoneroWorkerContext>();
var workerJob = new MoneroWorkerJob(_workerJobCounter.GetNext(), BlockTemplate.Height, context.Difficulty, ++extraNonce);
var blob = EncodeBlob(workerJob.ExtraNonce);
var target = EncodeTarget(workerJob.Difficulty);
return(null);
}
private void EnsureNoZombie(IStratumClient client)
{
Observable.Timer(MasterClock.Now.AddSeconds(10)) // wait 10 seconds.
.Take(1)
.Subscribe(_ =>
{
if (client.LastReceive.HasValue) // if the worker has send some data,
{
return; // skip him.
}
_logger.Information($"[{client.ConnectionId}] Booting zombie-worker (post-connect silence)");
PoolContext.StratumServer.DisconnectClient(client); // else boot him from our server.
});
}
/// <summary>
/// Listen for incoming connection requests and fires event when new client is connected.
/// </summary>
public async Task ListenAsync()
{
_listenCts = new CancellationTokenSource();
while (true)
{
IStratumClient client = await AcceptClientAsync();
if (_listenCts.IsCancellationRequested)
{
return;
}
OnClientConnected(new ClientEventArgs(client));
}
}
public void DisconnectClient(IStratumClient client)
{
var subscriptionId = client.ConnectionId;
client.Disconnect();
if (!string.IsNullOrEmpty(subscriptionId))
{
// unregister client
lock (_clients)
{
_clients.Remove(subscriptionId);
}
}
_pool.OnDisconnect(subscriptionId);
}
public ClientEventArgs(IStratumClient client)
{
Client = client;
}
private async Task OnSubmitAsync(IStratumClient client, Timestamped <JsonRpcRequest> tsRequest)
{
}
private void OnGetJob(IStratumClient client, Timestamped <JsonRpcRequest> tsRequest)
{
}
private void OnLogin(IStratumClient client, Timestamped <JsonRpcRequest> tsRequest)
{
var request = tsRequest.Value;
var context = client.GetContextAs <MoneroWorkerContext>();
if (request.Id == null)
{
client.RespondError(StratumError.MinusOne, "missing request id", request.Id);
return;
}
var loginRequest = request.ParamsAs <MoneroLoginRequest>();
if (string.IsNullOrEmpty(loginRequest?.Login))
{
client.RespondError(StratumError.MinusOne, "missing login", request.Id);
return;
}
// extract worker & miner.
var split = loginRequest.Login.Split('.');
context.MinerName = split[0];
context.WorkerName = split.Length > 1 ? split[1] : null;
// set useragent.
context.UserAgent = loginRequest.UserAgent;
// set payment-id if any.
var index = context.MinerName.IndexOf('#');
if (index != -1)
{
context.MinerName = context.MinerName.Substring(0, index);
context.PaymentId = context.MinerName.Substring(index + 1);
}
var hasValidAddress = ValidateAddress(context.MinerName);
context.IsAuthorized = context.IsSubscribed = hasValidAddress;
if (!context.IsAuthorized)
{
client.RespondError(StratumError.MinusOne, "invalid login", request.Id);
return;
}
var loginResponse = new MoneroLoginResponse
{
Id = client.ConnectionId,
Job = ((MoneroJobManager)PoolContext.JobManager).CurrentJob.CreateWorkerJob(client)
};
client.Respond(loginResponse, request.Id);
// log association
_logger.Information($"[{client.ConnectionId}] = {loginRequest.Login} = {client.RemoteEndpoint.Address}");
// recognize activity.
context.LastActivity = MasterClock.Now;
}
public abstract Task OnRequestAsync(IStratumClient client, Timestamped <JsonRpcRequest> timeStampedRequest);