Type Alias Lookup

Lookup: StorageDescriptor<
    [Key: FixedSizeBinary<32>],
    FixedSizeArray<2, number>,
    true,
    never,
>

Lookup from a name to the block number and index of the task.

For v3 -> v4 the previously unbounded identities are Blake2-256 hashed to form the v4 identities.