public override ConsensusCommand GetAEDPoSConsensusCommand()
{
// Provided pubkey can mine a block after TinyBlockMinimumInterval ms.
var arrangedMiningTime =
MiningTimeArrangingService.ArrangeMiningTimeWithOffset(CurrentBlockTime,
TinyBlockMinimumInterval);
var roundStartTime = CurrentRound.GetRoundStartTime();
var currentTimeSlotStartTime = CurrentBlockTime < roundStartTime
? roundStartTime.AddMilliseconds(-MiningInterval)
: CurrentRound.RoundNumber == 1
? MinerInRound.ActualMiningTimes.First()
: MinerInRound.ExpectedMiningTime;
var currentTimeSlotEndTime = currentTimeSlotStartTime.AddMilliseconds(MiningInterval);
return(arrangedMiningTime > currentTimeSlotEndTime
? new TerminateRoundCommandStrategy(CurrentRound, Pubkey, CurrentBlockTime, false)
.GetAEDPoSConsensusCommand() // The arranged mining time already beyond the time slot.
: new ConsensusCommand
{
Hint = new AElfConsensusHint {
Behaviour = AElfConsensusBehaviour.TinyBlock
}.ToByteString(),
ArrangedMiningTime = arrangedMiningTime,
MiningDueTime = currentTimeSlotEndTime,
LimitMillisecondsOfMiningBlock = IsLastTinyBlockOfCurrentSlot()
? LastTinyBlockMiningLimit
: DefaultBlockMiningLimit
});
}
private bool IsLastTinyBlockOfCurrentSlot()
{
var producedBlocksOfCurrentRound = MinerInRound.ProducedTinyBlocks;
var roundStartTime = CurrentRound.GetRoundStartTime();
if (CurrentBlockTime < roundStartTime)
{
return(producedBlocksOfCurrentRound == _maximumBlocksCount);
}
var blocksBeforeCurrentRound = MinerInRound.ActualMiningTimes.Count(t => t < roundStartTime);
return(producedBlocksOfCurrentRound == blocksBeforeCurrentRound.Add(_maximumBlocksCount));
}