changes_tracker.hpp

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#ifndef KAGOME_STORAGE_CHANGES_TRIE_CHANGES_TRACKER
#define KAGOME_STORAGE_CHANGES_TRIE_CHANGES_TRACKER

#include "common/buffer.hpp"
#include "primitives/common.hpp"

namespace kagome::storage::changes_trie {

  class ChangesTracker {
   public:
    virtual ~ChangesTracker() = default;

    virtual void onBlockExecutionStart(
        primitives::BlockHash new_parent_hash) = 0;

    virtual void onPut(const common::BufferView &key,
                       const common::BufferView &value,
                       bool new_entry) = 0;

    virtual void onBlockAdded(const primitives::BlockHash &hash) = 0;

    virtual void onRemove(const common::BufferView &key) = 0;
  };

}  // namespace kagome::storage::changes_trie

#endif  // KAGOME_STORAGE_CHANGES_TRIE_CHANGES_TRACKER