polkadot_trie_cursor.hpp

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#ifndef KAGOME_CORE_STORAGE_TRIE_POLKADOT_TRIE_POLKADOT_TRIE_CURSOR
#define KAGOME_CORE_STORAGE_TRIE_POLKADOT_TRIE_POLKADOT_TRIE_CURSOR

#include "storage/face/map_cursor.hpp"

#include "common/buffer.hpp"
#include "storage/trie/polkadot_trie/trie_node.hpp"

namespace kagome::storage::trie {

  class PolkadotTrieCursor : public face::MapCursor<common::Buffer,
                                                    common::BufferConstRef,
                                                    common::BufferView> {
   public:
    virtual ~PolkadotTrieCursor() override = default;

    virtual outcome::result<void> seekLowerBound(
        const common::BufferView &key) = 0;

    virtual outcome::result<void> seekUpperBound(
        const common::BufferView &key) = 0;
  };

}  // namespace kagome::storage::trie

#endif  // KAGOME_CORE_STORAGE_TRIE_POLKADOT_TRIE_POLKADOT_TRIE_CURSOR