Method delAttribute

app/scanningcabinet/datastore.go:257–263

(ctx context.Context, pn blob.Ref, attr, val string)

}

func (h *handler) delAttribute(ctx context.Context, pn blob.Ref, attr, val string) error {
	ucl, err := schema.NewDelAttributeClaim(pn, attr, val).SetSigner(h.signer).JSON()
	if err != nil {
		return fmt.Errorf("could not create claim to delete %v:%v on %v: %v", attr, val, pn, err)
	}
	return h.signAndSend(ctx, ucl)
}

func (h *handler) addAttribute(ctx context.Context, pn blob.Ref, attr, val string) error {
	ucl, err := schema.NewAddAttributeClaim(pn, attr, val).SetSigner(h.signer).JSON()