migration/Migration3_4_0To3_5_0.hpp

Migration step that upgrades account data from schema version 3.4.0 to 3.5.0. More...

Namespaces

Name
sgns

Classes

	Name
class	sgns::Migration3_4_0To3_5_0 Migration step for version 3.4.0 to 3.5.0. Updates persisted data required by the 3.5.0 node layout.

Detailed Description

Migration step that upgrades account data from schema version 3.4.0 to 3.5.0.

Date: 2025-11-11 Henrique A. Klein ([email protected])

Source code

#ifndef SGNS_MIGRATION_3_4_0_TO_3_5_0_HPP
#define SGNS_MIGRATION_3_4_0_TO_3_5_0_HPP

#include <string>
#include <memory>
#include <atomic>

#include "IMigrationStep.hpp"
#include "account/NodeType.hpp"
#include "blockchain/Blockchain.hpp"
#include "crdt/globaldb/globaldb.hpp"
#include "outcome/outcome.hpp"
#include "base/logger.hpp"

namespace sgns
{
    class GeniusAccount;

    class Migration3_4_0To3_5_0 : public IMigrationStep, public std::enable_shared_from_this<Migration3_4_0To3_5_0>
    {
    public:
        Migration3_4_0To3_5_0( std::shared_ptr<boost::asio::io_context>                        ioContext,
                               std::shared_ptr<ipfs_pubsub::GossipPubSub>                      pubSub,
                               std::shared_ptr<ipfs_lite::ipfs::graphsync::Network>            graphsync,
                               std::shared_ptr<libp2p::basic::Scheduler>                       scheduler,
                               std::shared_ptr<ipfs_lite::ipfs::graphsync::RequestIdGenerator> generator,
                               std::string                                                     writeBasePath,
                               std::string                                                     base58key,
                               std::shared_ptr<GeniusAccount>                                  account,
                               NodeType                                                        node_type );

        ~Migration3_4_0To3_5_0() override;

        std::string FromVersion() const override;

        std::string ToVersion() const override;

        outcome::result<void> Init() override;

        outcome::result<bool> IsRequired() const override;

        outcome::result<void> Apply() override;

        outcome::result<void> ShutDown() override;

    private:
        enum class Status
        {
            ST_INIT = 0, 
            ST_ERROR,    
            ST_SUCCESS,  
        };

        outcome::result<std::shared_ptr<crdt::GlobalDB>> InitLegacyDb();

        outcome::result<std::shared_ptr<crdt::GlobalDB>> InitTargetDb();

        std::shared_ptr<boost::asio::io_context>             ioContext_; 
        std::shared_ptr<ipfs_pubsub::GossipPubSub>           pubSub_;    
        std::shared_ptr<ipfs_lite::ipfs::graphsync::Network> graphsync_; 
        std::shared_ptr<libp2p::basic::Scheduler>            scheduler_; 
        std::shared_ptr<ipfs_lite::ipfs::graphsync::RequestIdGenerator> generator_; 
        std::string  writeBasePath_;                                                
        std::string  base58key_;                                                    
        base::Logger logger_ = base::createLogger( "MigrationStep" );               
        std::shared_ptr<GeniusAccount>  account_;    
        NodeType                        node_type_ = NodeType::Light;
        std::shared_ptr<crdt::GlobalDB> db_3_5_0_;   
        std::shared_ptr<crdt::GlobalDB> db_3_4_0_;   
        std::shared_ptr<Blockchain>     blockchain_; 
        std::atomic<Status>             blockchain_status_{ Status::ST_INIT }; 
    };

}

#endif // SGNS_MIGRATION_3_4_0_TO_3_5_0_HPP

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Updated on 2026-08-26 at 21:24:49 +0000