Copied from https://github.com/golang/go/blob/16d6a5233a183be7264295c66167d35c689f9372/src/net/http/client.go#L413-L421 See 2 (end of page 4) https://www.ietf.org/rfc/rfc2617.txt "To receive authorization, the client sends the userid and password, separated by a single colon (":") character, within a base64 encoded string in the credentials." It is not meant to be urlencoded.

ErrTokenNotFound is returned when an auth token is not found in the database.

AuthTokenDB keeps a database of auth tokens with associated data.

AuthValue is the data associated with an auth token in the auth token DB.

Libp2pCarServer serves deal data by matching an auth token to the root CID of a DAG in a blockstore, and serving the data as a CAR.

Libp2pTransfer keeps track of a data transfer.