block_query_factory.hpp

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#ifndef IROHA_BLOCK_QUERY_FACTORY_HPP
#define IROHA_BLOCK_QUERY_FACTORY_HPP

#include <boost/optional.hpp>

#include "ametsuchi/block_query.hpp"

namespace iroha {
  namespace ametsuchi {
    class BlockQueryFactory {
     public:
      virtual boost::optional<std::shared_ptr<BlockQuery>> createBlockQuery()
          const = 0;

      virtual ~BlockQueryFactory() = default;
    };
  }  // namespace ametsuchi
}  // namespace iroha
#endif  // IROHA_BLOCK_QUERY_FACTORY_HPP