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 {
  namespace consensus {
    namespace 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 yac
  }    // namespace consensus
}  // namespace iroha

#endif  // IROHA_SUPERMAJORITY_CHECKER_KF1_HPP