referrerpolicy=no-referrer-when-downgrade

Function pallet_membership::migrations::v4::pre_migrate

source ·
pub fn pre_migrate<P: GetStorageVersion, N: AsRef<str>>(
    old_pallet_name: N,
    new_pallet_name: N,
)
Expand description

Some checks prior to migration. This can be linked to frame_support::traits::OnRuntimeUpgrade::pre_upgrade for further testing.

Panics if anything goes wrong.