yac_block_storage.hpp

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#ifndef IROHA_YAC_BLOCK_VOTE_STORAGE_HPP
#define IROHA_YAC_BLOCK_VOTE_STORAGE_HPP

#include <memory>
#include <vector>

#include <boost/optional.hpp>
#include "consensus/yac/outcome_messages.hpp"
#include "consensus/yac/storage/storage_result.hpp"
#include "consensus/yac/supermajority_checker.hpp"
#include "consensus/yac/yac_types.hpp"
#include "logger/logger_fwd.hpp"

namespace iroha::consensus::yac {
  class YacBlockStorage {
   private:
    // --------| fields |--------

    std::vector<VoteMessage> votes_;

   public:
    YacBlockStorage(YacHash hash,
                    PeersNumberType peers_in_round,
                    std::shared_ptr<SupermajorityChecker> supermajority_checker,
                    logger::LoggerPtr log);

    boost::optional<Answer> insert(VoteMessage msg);

    boost::optional<Answer> insert(std::vector<VoteMessage> votes);

    std::vector<VoteMessage> getVotes() const;

    size_t getNumberOfVotes() const;

    boost::optional<Answer> getState();

    bool isContains(const VoteMessage &msg) const;

    YacHash getStorageKey() const;

   private:
    // --------| private api |--------

    bool uniqueVote(VoteMessage &vote);

    bool validScheme(VoteMessage &vote);

    // --------| fields |--------

    YacHash storage_key_;

    PeersNumberType peers_in_round_;

    std::shared_ptr<SupermajorityChecker> supermajority_checker_;

    logger::LoggerPtr log_;
  };
}  // namespace iroha::consensus::yac

#endif  // IROHA_YAC_BLOCK_VOTE_STORAGE_HPP