Andrew Ferrone

Configurable feature to restrict retrievals of certain CIDs to certain wallets

8

### Checklist - [X] This is **not** a new feature or an enhancement to the Filecoin protocol. If it is, please open an [FIP issue](https://github.com/filecoin-project/FIPs/blob/master/FIPS/fip-0001.md). - [X] This is **not**...