Resolves a relationship's OP through its Trust Chain to fedTrustAnchor
and puts its endpoints, keys and this realm's client_id where
federation_sp.ts reads them.
Parameters
req: any
the request
record: any
the federation relationship
Returns Promise<Outcome>
a promise of { ok, record, anchor }, or of a refusal naming what
failed
Resolves a relationship's OP through its Trust Chain to
fedTrustAnchorand puts its endpoints, keys and this realm's client_id wherefederation_sp.tsreads them.