blocks_story.hpp

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#pragma once
 
#include <scorum/chain/services/service_base.hpp>
 
#include <scorum/protocol/block.hpp>
#include <scorum/protocol/types.hpp>
 
namespace scorum {
namespace chain {
 
using scorum::protocol::signed_block;
using scorum::protocol::block_id_type;
 
struct blocks_story_service_i
{
    virtual optional<signed_block> fetch_block_by_id(const block_id_type& id) const = 0;
    virtual optional<signed_block> fetch_block_by_number(uint32_t num) const = 0;
};
 
class dbs_blocks_story : public dbs_base, public blocks_story_service_i
{
    friend class dbservice_dbs_factory;
 
protected:
    explicit dbs_blocks_story(database& db);
 
    virtual optional<signed_block> fetch_block_by_id(const block_id_type& id) const override;
    virtual optional<signed_block> fetch_block_by_number(uint32_t num) const override;
 
private:
    // TODO: tech dept: remove this dependency if possible
    database& _db;
};
 
} // namespace scorum
} // namespace chain