Parse bridge blocking info from SQL database.

The plan currently is that wolpertinger will populate our SQL database with bridge blocking info provided by OONI. This patch adds code that parses this data and adds it to our existing bridge objects.

This fixes #34260 (closed).

This is a revision based on the merge request from !1 (closed).

I tried to address your comment from here in commit edf0c084.

Other than that, I added more comments and unit tests.

added 2 commits

• 65534a06 - Limit query to three years worth of measurements.
• f4639172 - Add more unit tests.

Compare with previous version

Cool! Thanks for adding the extra documentation. These changes all look good to me.

merged

mentioned in commit ada3bdca