update some op interfaces

pkg/rp/relaying_party.go

@@ -155,6 +155,7 @@ func NewRelayingParty(config *Configuration, options ...Option) (RelayingParty,
 			return nil, err
 		}
 		rp.oauthConfig.Endpoint = endpoints.Endpoint
+		rp.endpoints = endpoints
 	}
 
 	if rp.errorHandler == nil {

pkg/rp/verifier.go

@@ -109,6 +109,9 @@ func NewIDTokenVerifier(issuer, clientID string, keySet oidc.KeySet) IDTokenVeri
 		clientID: clientID,
 		keySet:   keySet,
 		offset:   5 * time.Second,
+		nonce: func(_ context.Context) string {
+			return ""
+		},
 	}
 }