The flow for local block building is
1. Create execution payload and bid
2. Construct beacon block
3. Sign beacon block and publish
4. Sign execution payload and publish
This PR adds the beacon block v4 flow , GET payload envelope and POST payload envelope (local block building only). The spec for these endpoints can be found here: https://github.com/ethereum/beacon-APIs/pull/552 and is subject to change.
We needed a way to store the unsigned execution payload envelope associated to the execution payload bid that was included in the block. I introduced a new cache that stores these unsigned execution payload envelopes. the GET payload envelope queries this cache directly so that a proposer, after publishing a block, can fetch the payload envelope + sign and publish it.
I kept payload signing and publishing within the validators block service to keep things simple for now. The idea was to build out a block production MVP for devnet 0, try not to affect any non gloas code paths and build things out in such a way that it will be easy to deprecate pre-gloas code paths later on (for example block production v2 and v3).
We will eventually need to track which beacon node was queried for the block so that we can later query it for the payload. But thats not needed for the devnet.
Co-Authored-By: Eitan Seri- Levi <eserilev@gmail.com>
Co-Authored-By: Michael Sproul <michael@sigmaprime.io>
Co-Authored-By: Jimmy Chen <jchen.tc@gmail.com>
Co-Authored-By: Eitan Seri-Levi <eserilev@ucsc.edu>
- Implement new `process_execution_payload` (as `process_execution_payload_envelope`).
- Implement new processing for deposit requests, including logic for adding new builders to the registry with index reuse.
- Enable a bunch more operations EF tests (most of them except bid processing/payload attestations/etc which we don't have code for yet).
Co-Authored-By: Michael Sproul <michael@sigmaprime.io>
