BlockStorage.h

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#pragma once
#include "catapult/model/Elements.h"
#include "catapult/model/EntityInfo.h"
#include "catapult/model/RangeTypes.h"
#include "catapult/utils/NonCopyable.h"
#include <memory>
 
namespace catapult { namespace io {
 
    class LightBlockStorage : public utils::NonCopyable {
    public:
        virtual ~LightBlockStorage() = default;
 
    public:
        virtual Height chainHeight() const = 0;
 
        virtual model::HashRange loadHashesFrom(Height height, size_t maxHashes) const = 0;
 
        virtual void saveBlock(const model::BlockElement& blockElement) = 0;
 
        virtual void dropBlocksAfter(Height height) = 0;
    };
 
    class BlockStorage : public LightBlockStorage {
    public:
        virtual std::shared_ptr<const model::Block> loadBlock(Height height) const = 0;
 
        virtual std::shared_ptr<const model::BlockElement> loadBlockElement(Height height) const = 0;
 
        virtual std::pair<std::vector<uint8_t>, bool> loadBlockStatementData(Height height) const = 0;
    };
 
    class PrunableBlockStorage : public BlockStorage {
    public:
        virtual void purge() = 0;
    };
}}