supermajority_checker_kf1.hpp

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#ifndef IROHA_SUPERMAJORITY_CHECKER_KF1_HPP
#define IROHA_SUPERMAJORITY_CHECKER_KF1_HPP

#include "consensus/yac/supermajority_checker.hpp"

namespace iroha::consensus::yac {
  inline bool checkKfPlus1Supermajority(PeersNumberType number,
                                        PeersNumberType all,
                                        unsigned int k) {
    if (number > all) {
      return false;
    }
    return number * k >= (k - 1) * (all - 1) + k;
  }

  inline bool checkKfPlus1Tolerance(PeersNumberType number,
                                    PeersNumberType all,
                                    unsigned int k) {
    if (number > all) {
      return false;
    }
    return number * k > all - 1;
  }
}  // namespace iroha::consensus::yac

#endif  // IROHA_SUPERMAJORITY_CHECKER_KF1_HPP