wsv_query.hpp

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#ifndef IROHA_WSV_QUERY_HPP
#define IROHA_WSV_QUERY_HPP

#include <boost/optional.hpp>
#include <vector>

#include "common/result.hpp"
#include "interfaces/common_objects/peer.hpp"
#include "interfaces/common_objects/string_view_types.hpp"

namespace iroha {
  struct TopBlockInfo;

  namespace ametsuchi {
    class WsvQuery {
     public:
      virtual ~WsvQuery() = default;

      virtual boost::optional<std::vector<std::string>> getSignatories(
          const shared_model::interface::types::AccountIdType &account_id) = 0;

      virtual boost::optional<
          std::vector<std::shared_ptr<shared_model::interface::Peer>>>
      getPeers() = 0;

      // ToDo?(kuvaldini,iceseer) #997
      // /**
      //  * @brief Fetch domains stored in ledger
      //  * @return list of domains in insertion to ledger order
      //  */
      // virtual iroha::expected::Result<
      //   std::vector<std::shared_ptr<shared_model::interface::Domain>>,
      //   std::string>
      // getDomains() = 0;

      virtual iroha::expected::Result<size_t, std::string> countPeers() = 0;

      virtual iroha::expected::Result<size_t, std::string> countDomains() = 0;

      virtual iroha::expected::Result<size_t, std::string>
      countTransactions() = 0;

      virtual boost::optional<std::shared_ptr<shared_model::interface::Peer>>
      getPeerByPublicKey(shared_model::interface::types::PublicKeyHexStringView
                             public_key) = 0;

      virtual iroha::expected::Result<iroha::TopBlockInfo, std::string>
      getTopBlockInfo() const = 0;
    };

  }  // namespace ametsuchi
}  // namespace iroha

#endif  // IROHA_WSV_QUERY_HPP