We need to add support in the backend for labels.
The functionality required is as follows:
- Fetch labels from the certificate profile.
- Fetch the current CT logs for these labels
- Refactor the code which fetches SCTs such that each SCT is fetched in parallel
- Implement logic for determining whether enough SCTs was fetched
- Rewrite some tests
- Submit to all logs in parallel (not just up to max SCTs), and discard excess SCTs