# Functions
GrantQueueKey - return grant queue store key.
GrantQueueTimePrefix - return grant queue time prefix.
NewKeeper constructs a message authorization Keeper.
NewMigrator returns a new Migrator.
# Constants
StoreKey is the store key string for authz.
# Variables
prefix for each key.
Keys for store prefixes Items are stored with the following key: values
- 0x01<grant_Bytes>: Grant - 0x02<grant_expiration_Bytes>: GrantQueueItem.