Candidates pending availability by ParaId. They form a chain starting from the latest
included head of the para.
Use a different prefix post-migration to v1, since the v0 PendingAvailability storage
would otherwise have the exact same prefix which could cause undefined behaviour when doing
the migration.
Candidates pending availability by
ParaId
. They form a chain starting from the latest included head of the para. Use a different prefix post-migration to v1, since the v0PendingAvailability
storage would otherwise have the exact same prefix which could cause undefined behaviour when doing the migration.