sgns::Migration0_2_0To1_0_0¶

Migration step for version 0.2.0 to 1.0.0. More...

#include <Migration0_2_0To1_0_0.hpp>

Public Functions¶

	Name
	Migration0_2_0To1_0_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::protocol::Scheduler > scheduler, std::shared_ptr< ipfs_lite::ipfs::graphsync::RequestIdGenerator > generator, std::string writeBasePath, std::string base58key) Construct the step with all resources needed to open legacy DBs.
virtual std::string	FromVersion() const override Get the source version for this step.
virtual std::string	ToVersion() const override Get the target version for this step.
virtual outcome::result< void >	Init() override Initializes internal variables after constructor.
virtual outcome::result< bool >	IsRequired() const override Check if this migration should run.
virtual outcome::result< void >	Apply() override Apply the migration: initialize legacy DBs and migrate data.
virtual outcome::result< void >	ShutDown() override Shuts down internal variables.

Additional inherited members¶

Public Functions inherited from sgns::IMigrationStep

	Name
virtual	~IMigrationStep() =default
std::tuple< int, int, int >	ParseVersion(const std::string & version) const
bool	IsVersionLessThan(const std::string & lhs, const std::string & rhs) const

Detailed Description¶

class sgns::Migration0_2_0To1_0_0;

Migration step for version 0.2.0 to 1.0.0.

Copies transactions and proofs from legacy DB (“out” and “in”) into the new CRDT store.

Public Functions Documentation¶

function Migration0_2_0To1_0_0¶

Migration0_2_0To1_0_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::protocol::Scheduler > scheduler,
    std::shared_ptr< ipfs_lite::ipfs::graphsync::RequestIdGenerator > generator,
    std::string writeBasePath,
    std::string base58key
)

Construct the step with all resources needed to open legacy DBs.

Parameters:

ioContext Shared io_context for legacy DB access.
pubSub Shared GossipPubSub instance.
graphsync Shared GraphSync network object.
scheduler Shared libp2p scheduler.
generator Shared RequestIdGenerator for GraphSync.
writeBasePath Base path for writing legacy DB files.
base58key Base58-encoded peer key to form legacy paths.

function FromVersion¶

virtual std::string FromVersion() const override

Get the source version for this step.

Return: std::string "0.2.0"

Reimplements: sgns::IMigrationStep::FromVersion

function ToVersion¶

virtual std::string ToVersion() const override

Get the target version for this step.

Return: std::string "1.0.0"

Reimplements: sgns::IMigrationStep::ToVersion

function Init¶

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

Initializes internal variables after constructor.

Return: Outcome of the operation

Reimplements: sgns::IMigrationStep::Init

function IsRequired¶

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

Check if this migration should run.

Return: outcome::result true if migration should run; false to skip. On error, returns failure.

Reimplements: sgns::IMigrationStep::IsRequired

function Apply¶

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

Apply the migration: initialize legacy DBs and migrate data.

Return: outcome::result success on completion; failure on error.

Reimplements: sgns::IMigrationStep::Apply

function ShutDown¶

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

Shuts down internal variables.

Return: Outcome of the operation

Reimplements: sgns::IMigrationStep::ShutDown

Updated on 2026-03-04 at 13:10:43 -0800