private async Task ProducerLoop()
{
while (!_cancellationTokenSource.IsCancellationRequested)
{
BlockHeader parentHeader = _blockTree.Head;
if (parentHeader == null)
{
if (_logger.IsWarn)
{
_logger.Warn($"Preparing new block - parent header is null");
}
}
else if (_sealer.CanSeal(parentHeader.Number + 1, parentHeader.Hash))
{
ProduceNewBlock(parentHeader);
}
var timeToNextStep = _auRaStepCalculator.TimeToNextStep;
if (_logger.IsDebug)
{
_logger.Debug($"Waiting {timeToNextStep} for next AuRa step.");
}
await TaskExt.DelayAtLeast(timeToNextStep);
}
}
public async Task after_waiting_for_next_step_timeToNextStep_should_be_close_to_stepDuration_in_seconds(int stepDuration)
{
var calculator = new AuRaStepCalculator(stepDuration, new Timestamper());
await TaskExt.DelayAtLeast(calculator.TimeToNextStep);
calculator.TimeToNextStep.Should().BeCloseTo(TimeSpan.FromSeconds(stepDuration), TimeSpan.FromMilliseconds(100));
}
public async Task step_increases_after_timeToNextStep(int stepDuration)
{
var calculator = new AuRaStepCalculator(stepDuration, new Timestamper());
var step = calculator.CurrentStep;
await TaskExt.DelayAtLeast(calculator.TimeToNextStep);
calculator.CurrentStep.Should().Be(step + 1, calculator.TimeToNextStep.ToString());
}
public async Task should_not_cancel_block_production_trigger_on_next_step_finished()
{
List <BlockProductionEventArgs> args = new();
await using (BuildBlocksOnAuRaSteps buildBlocksOnAuRaSteps = new(new TestAuRaStepCalculator(), LimboLogs.Instance))
{
buildBlocksOnAuRaSteps.TriggerBlockProduction += (o, e) =>
{
args.Add(e);
};
while (args.Count < 2)
{
await TaskExt.DelayAtLeast(TestAuRaStepCalculator.StepDurationTimeSpan);
}
}
IEnumerable <bool> enumerable = args.Select(e => e.CancellationToken.IsCancellationRequested);
enumerable.Should().AllBeEquivalentTo(false);
}
public async Task should_cancel_block_production_trigger_on_next_step_if_not_finished_yet()
{
List <BlockProductionEventArgs> args = new();
await using (BuildBlocksOnAuRaSteps buildBlocksOnAuRaSteps = new(new TestAuRaStepCalculator(), LimboLogs.Instance))
{
buildBlocksOnAuRaSteps.TriggerBlockProduction += (o, e) =>
{
args.Add(e);
e.BlockProductionTask = TaskExt.DelayAtLeast(TestAuRaStepCalculator.StepDurationTimeSpan * 10, e.CancellationToken)
.ContinueWith(t => (Block?)null, e.CancellationToken);
};
while (args.Count < 4)
{
await TaskExt.DelayAtLeast(TestAuRaStepCalculator.StepDurationTimeSpan);
}
}
bool[] allButLastCancellations = args.Skip(1).SkipLast(1).Select(e => e.CancellationToken.IsCancellationRequested).ToArray();
allButLastCancellations.Should().AllBeEquivalentTo(true);
allButLastCancellations.Should().HaveCountGreaterOrEqualTo(2);
}
