protected virtual void SetupJobUpdates()
{
if (poolConfig.ExternalStratum)
{
return;
}
var enableStreaming = extraPoolConfig?.EnableDaemonWebsocketStreaming == true;
if (enableStreaming && !poolConfig.Daemons.Any(x =>
x.Extra.SafeExtensionDataAs <EthereumDaemonEndpointConfigExtra>()?.PortWs.HasValue == true))
{
logger.Warn(() => $"[{LogCat}] '{nameof(EthereumPoolConfigExtra.EnableDaemonWebsocketStreaming).ToLowerCamelCase()}' enabled but not a single daemon found with a configured websocket port ('{nameof(EthereumDaemonEndpointConfigExtra.PortWs).ToLowerCamelCase()}'). Falling back to polling.");
enableStreaming = false;
}
if (enableStreaming)
{
// collect ports
var wsDaemons = poolConfig.Daemons
.Where(x => x.Extra.SafeExtensionDataAs <EthereumDaemonEndpointConfigExtra>()?.PortWs.HasValue == true)
.ToDictionary(x => x, x => x.Extra.SafeExtensionDataAs <EthereumDaemonEndpointConfigExtra>().PortWs.Value);
logger.Info(() => $"[{LogCat}] Subscribing to WebSocket push-updates from {string.Join(", ", wsDaemons.Keys.Select(x=> x.Host).Distinct())}");
// stream pending blocks
var pendingBlockObs = daemon.WebsocketSubscribe(wsDaemons, EC.ParitySubscribe, new[] { (object)EC.GetBlockByNumber, new[] { "pending", (object)true } })
.Select(data =>
{
try
{
var psp = DeserializeRequest(data).ParamsAs <PubSubParams <Block> >();
return(psp?.Result);
}
catch (Exception ex)
{
logger.Info(() => $"[{LogCat}] Error deserializing pending block: {ex.Message}");
}
return(null);
});
// stream work updates
var getWorkObs = daemon.WebsocketSubscribe(wsDaemons, EC.ParitySubscribe, new[] { (object)EC.GetWork })
.Select(data =>
{
try
{
var psp = DeserializeRequest(data).ParamsAs <PubSubParams <string[]> >();
return(psp?.Result);
}
catch (Exception ex)
{
logger.Info(() => $"[{LogCat}] Error deserializing pending block: {ex.Message}");
}
return(null);
});
Jobs = Observable.CombineLatest(
pendingBlockObs.Where(x => x != null),
getWorkObs.Where(x => x != null),
AssembleBlockTemplate)
.Select(UpdateJob)
.Do(isNew =>
{
if (isNew)
{
logger.Info(() => $"[{LogCat}] New block {currentJob.BlockTemplate.Height} detected");
}
})
.Where(isNew => isNew)
.Select(_ => GetJobParamsForStratum(true))
.Publish()
.RefCount();
}
else
{
Jobs = Observable.Interval(TimeSpan.FromMilliseconds(poolConfig.BlockRefreshInterval))
.Select(_ => Observable.FromAsync(UpdateJobAsync))
.Concat()
.Do(isNew =>
{
if (isNew)
{
logger.Info(() => $"[{LogCat}] New block {currentJob.BlockTemplate.Height} detected");
}
})
.Where(isNew => isNew)
.Select(_ => GetJobParamsForStratum(true))
.Publish()
.RefCount();
}
}