Blacklist pallet

Allow some configurable origin to blacklist some accounts. Blacklisted accounts are not allowed to perform certain actions.

Configuration

Types

• RuntimeEvent – The overarching event type.
• BlacklistingOrigin – The origin allowed to blacklist accounts. It should be Root.
• WeightInfo – Information on runtime weights.

Extrinsics

blacklist_account

Adds an account to the blacklist. Emits the AccountBlacklisted event on success.

Parameters:

• origin – Origin for the call. It should be Root.
• account - The account to blacklist.

Errors:

• AccountAlreadyBlacklisted - The accountId was already blacklisted.

remove_blacklisted_account

Adds an account to the blacklist. Emits the BlacklistedAccountRemoved event on success.

Parameters:

• origin – Origin for the call. It should be Root.
• account - The account to remove from the blacklist.

Errors:

• AccountIsNotBlacklisted - The AccountId was not previously blacklisted.

Once configured, this pallet should be used as a valid origin so that any account that is not on the blacklist has a valid origin.