Module v2

Migrate to v2. Should have been part of https://github.com/paritytech/polkadot-sdk/pull/1340.

Structs

Candidates_Storage_Instance

UncheckedMigrationToV2

Migrate to V2.

Type Aliases

Candidates

MigrationToV2

UncheckedMigrationToV2 wrapped in a VersionedMigration, ensuring the migration is only performed when on-chain version is 1.