babe_util.hpp

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#ifndef KAGOME_CONSENSUS_BABEUTIL
#define KAGOME_CONSENSUS_BABEUTIL

#include "consensus/babe/common.hpp"
#include "consensus/babe/types/epoch_descriptor.hpp"

namespace kagome::consensus {

  class BabeUtil {
   public:
    virtual ~BabeUtil() = default;

    virtual BabeSlotNumber syncEpoch(
        std::function<std::tuple<BabeSlotNumber, bool>()> &&f) = 0;

    virtual BabeSlotNumber getCurrentSlot() const = 0;

    virtual BabeTimePoint slotStartTime(BabeSlotNumber slot) const = 0;

    virtual BabeDuration remainToStartOfSlot(BabeSlotNumber slot) const = 0;

    virtual BabeTimePoint slotFinishTime(BabeSlotNumber slot) const = 0;

    virtual BabeDuration remainToFinishOfSlot(BabeSlotNumber slot) const = 0;

    virtual EpochNumber slotToEpoch(BabeSlotNumber slot_number) const = 0;

    virtual BabeSlotNumber slotInEpoch(BabeSlotNumber slot_number) const = 0;
  };

}  // namespace kagome::consensus
#endif  // KAGOME_CONSENSUS_BABEUTIL