@spec block(term(), binary()) :: [term()] | {:error, String.t()}

Create a block of a given type:

• author: 32 byte-raw or 43-byte base62-encoded value
• log_id: 64 bit unsigned integer
• log_spec: {author, log_id}

Returns the current block list

Returns a boolean indicating whether the supplied spec is blocked on the supplied clump

Includes the specifications from block/2 and {author, log_id, seq_num}

@spec blocks_list(binary()) :: [term()] | {:error, String.t()}

Lists current blocks on the supplied clump_id

@spec filter_blocked([tuple()], binary()) :: [tuple()] | {:error, String.t()}

Filter out blocked clump logs from a supplied list of entry tuples ({author, log_id, seq_num})

@spec unblock(term(), binary()) :: :ok | {:error, String.t()}

Remove an extant block specified as per block/2

Returns the current block list