Design and implement a Rust dirauth module
Some of our protoceratops*
functions are only used when dirauths vote:
- protover_compute_vote
- protover_compute_for_old_tor
This function is implemented in Rust and C:
- protover_compute_vote
We should work out how to split protover in Rust and C, and put the dirauth parts in a separate module.
*
I blame autocorrect