consensus

package

v0.23.0-rc8 Latest Latest Go to latest Published: May 2, 2023 License: Apache-2.0 Imports: 5 Imported by: 0

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func MigrateValue(store sdk.KVStore, cdc codec.BinaryCodec, prefixBz []byte, migrator ValueMigrator) (err error)

MigrateValue is a helper function that migrates values stored in a KV store for the given key prefix using the given value migrator function.

func ModuleMigrations(module string, migrator Migrator, fn func(string, uint64, sdkmodule.MigrationHandler))

func ModuleVersion(module string) uint64

func RegisterMigration(module string, version uint64, initFn NewMigrationFn)

type Migration interface {
	GetHandler() sdkmodule.MigrationHandler
}

type Migrator interface {
	StoreKey() sdk.StoreKey
	Codec() codec.BinaryCodec
}

type NewMigrationFn func(Migrator) Migration

type ValueMigrator func(oldValueBz []byte, cdc codec.BinaryCodec) codec.ProtoMarshaler

ValueMigrator migrates a value to the new protobuf type given its old protobuf serialized bytes.