yac_common.hpp

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#ifndef IROHA_YAC_COMMON_HPP
#define IROHA_YAC_COMMON_HPP

#include <vector>

#include <boost/optional.hpp>

#include "consensus/round.hpp"

namespace iroha {
  namespace consensus {
    namespace yac {

      class YacHash;
      struct VoteMessage;

      using ProposalHash = std::string;

      using BlockHash = std::string;

      bool sameKeys(const std::vector<VoteMessage> &votes);

      boost::optional<Round> getKey(const std::vector<VoteMessage> &votes);

      boost::optional<YacHash> getHash(const std::vector<VoteMessage> &votes);

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

#endif  // IROHA_YAC_COMMON_HPP