migrations

Documentation

Index

• type Migrator
  • func NewMigrator(providerKeeper providerkeeper.Keeper, paramSpace paramtypes.Subspace) Migrator
  • func (m Migrator) Migrate1to2(ctx sdktypes.Context) error
  • func (m Migrator) Migrate2to3(ctx sdktypes.Context) error
  • func (m Migrator) Migrate3to4(ctx sdktypes.Context) error
  • func (m Migrator) Migrate4to5(ctx sdktypes.Context) error
  • func (m Migrator) Migrate5to6(ctx sdktypes.Context) error

Types

type Migrator

type Migrator struct {
	// contains filtered or unexported fields
}

Migrator is a struct for handling in-place store migrations.

func NewMigrator

func NewMigrator(providerKeeper providerkeeper.Keeper, paramSpace paramtypes.Subspace) Migrator

NewMigrator returns a new Migrator.

func (Migrator) Migrate1to2

func (m Migrator) Migrate1to2(ctx sdktypes.Context) error

Migrating consensus version 1 to 2 is a no-op. Migrating from v1 -> v2 -> v3 will require multiple state breaking changes and migrations. First run provider@v2.x.y in production to migrate from consensus version 1 to 2. Then, in order to migrate to consensus version 3, first upgrade to provider@v3.x.y.

func (Migrator) Migrate2to3

func (m Migrator) Migrate2to3(ctx sdktypes.Context) error

Migrate2to3 migrates x/ccvprovider state from consensus version 2 to 3.

func (Migrator) Migrate3to4

func (m Migrator) Migrate3to4(ctx sdktypes.Context) error

Migrate3to4 migrates x/ccvprovider state from consensus version 3 to 4. The migration consists of provider chain params additions.

func (Migrator) Migrate4to5

func (m Migrator) Migrate4to5(ctx sdktypes.Context) error

Migrate4to5 migrates x/ccvprovider state from consensus version 4 to 5. The migration consists of setting a top N of 95 for all registered consumer chains.

func (Migrator) Migrate5to6

func (m Migrator) Migrate5to6(ctx sdktypes.Context) error

Migrate5to6 migrates x/ccvprovider state from consensus version 5 to 6. The migration consists of setting the `NumberOfEpochsToStartReceivingRewards` param, as well as computing and storing the minimal power in the top N for all registered consumer chains.