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Builder Specs v0.2.0 (#3134)

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## Issue Addressed

https://github.com/sigp/lighthouse/issues/3091

Extends https://github.com/sigp/lighthouse/pull/3062, adding pre-bellatrix block support on blinded endpoints and allowing the normal proposal flow (local payload construction) on blinded endpoints. This resulted in better fallback logic because the VC will not have to switch endpoints on failure in the BN <> Builder API, the BN can just fallback immediately and without repeating block processing that it shouldn't need to. We can also keep VC fallback from the VC<>BN API's blinded endpoint to full endpoint.

## Proposed Changes

- Pre-bellatrix blocks on blinded endpoints
- Add a new `PayloadCache` to the execution layer
- Better fallback-from-builder logic

## Todos

- [x] Remove VC transition logic
- [x] Add logic to only enable builder flow after Merge transition finalization
- [x] Tests
- [x] Fix metrics
- [x] Rustdocs


Co-authored-by: Mac L <mjladson@pm.me>
Co-authored-by: realbigsean <sean@sigmaprime.io>
This commit is contained in:
realbigsean
2022-07-30 00:22:37 +00:00
parent 25f0e261cb
commit 6c2d8b2262
61 changed files with 3522 additions and 687 deletions
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21
book/src/SUMMARY.md
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@@ -18,21 +18,21 @@
* [Create a validator](./validator-create.md)
* [Key recovery](./key-recovery.md)
* [Validator Management](./validator-management.md)
* [Importing from the Staking Launchpad](./validator-import-launchpad.md)
* [Importing from the Staking Launchpad](./validator-import-launchpad.md)
* [Slashing Protection](./slashing-protection.md)
* [Voluntary Exits](./voluntary-exit.md)
* [Validator Monitoring](./validator-monitoring.md)
* [Doppelganger Protection](./validator-doppelganger.md)
* [Suggested Fee Recipient](./suggested-fee-recipient.md)
* [APIs](./api.md)
* [Beacon Node API](./api-bn.md)
* [/lighthouse](./api-lighthouse.md)
* [Validator Inclusion APIs](./validator-inclusion.md)
* [Validator Client API](./api-vc.md)
* [Endpoints](./api-vc-endpoints.md)
* [Authorization Header](./api-vc-auth-header.md)
* [Signature Header](./api-vc-sig-header.md)
* [Prometheus Metrics](./advanced_metrics.md)
* [Beacon Node API](./api-bn.md)
* [/lighthouse](./api-lighthouse.md)
* [Validator Inclusion APIs](./validator-inclusion.md)
* [Validator Client API](./api-vc.md)
* [Endpoints](./api-vc-endpoints.md)
* [Authorization Header](./api-vc-auth-header.md)
* [Signature Header](./api-vc-sig-header.md)
* [Prometheus Metrics](./advanced_metrics.md)
* [Advanced Usage](./advanced.md)
* [Checkpoint Sync](./checkpoint-sync.md)
* [Custom Data Directories](./advanced-datadir.md)
@@ -45,6 +45,7 @@
* [Redundancy](./redundancy.md)
* [Pre-Releases](./advanced-pre-releases.md)
* [Release Candidates](./advanced-release-candidates.md)
* [MEV and Lighthouse](./builders.md)
* [Contributing](./contributing.md)
* [Development Environment](./setup.md)
* [Development Environment](./setup.md)
* [FAQs](./faq.md)