Allow for the vc to submit its proposer preferences to the network
Co-Authored-By: Eitan Seri-Levi <eserilev@ucsc.edu>
Co-Authored-By: Jimmy Chen <jchen.tc@gmail.com>
We yolo'd to alpha 7. We're just changing the proposer preference to include dependent root, instead of checkpoint root. This way we can actually construct it within the VC without needing a view of fork choice.
Co-Authored-By: Eitan Seri-Levi <eserilev@ucsc.edu>
Gossip verify and cache bids and proposer preferences. This PR also ensures we subscribe to new fork topics one epoch early instead of two slots early. This is required for proposer preferences.
Co-Authored-By: Eitan Seri- Levi <eserilev@gmail.com>
