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267d8babc8
lighthouse/beacon_node/beacon_chain/src
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Paul Hauner 267d8babc8 Prepare proposer (#3043) 
## Issue Addressed

Resolves #2936

## Proposed Changes

Adds functionality for calling [`validator/prepare_beacon_proposer`](https://ethereum.github.io/beacon-APIs/?urls.primaryName=dev#/Validator/prepareBeaconProposer) in advance.

There is a `BeaconChain::prepare_beacon_proposer` method which, which called, computes the proposer for the next slot. If that proposer has been registered via the `validator/prepare_beacon_proposer` API method, then the `beacon_chain.execution_layer` will be provided the `PayloadAttributes` for us in all future forkchoiceUpdated calls. An artificial forkchoiceUpdated call will be created 4s before each slot, when the head updates and when a validator updates their information.

Additionally, I added strict ordering for calls from the `BeaconChain` to the `ExecutionLayer`. I'm not certain the `ExecutionLayer` will always maintain this ordering, but it's a good start to have consistency from the `BeaconChain`. There are some deadlock opportunities introduced, they are documented in the code.

## Additional Info

- ~~Blocked on #2837~~

Co-authored-by: realbigsean <seananderson33@GMAIL.com>
2022-03-09 00:42:05 +00:00
..
attestation_verification Batch BLS verification for attestations (#2399) 2021-09-22 08:49:41 +00:00
schema_change Add configurable block replayer (#2863) 2021-12-21 06:30:52 +00:00
attestation_verification.rs Ignore attestations to finalized blocks (don't reject) (#3052) 2022-03-04 00:41:22 +00:00
attester_cache.rs Add early attester cache (#2872) 2022-01-11 01:35:55 +00:00
beacon_chain.rs Prepare proposer (#3043) 2022-03-09 00:42:05 +00:00
beacon_fork_choice_store.rs Optimise balances cache in case of skipped slots (#2849) 2021-12-13 23:35:57 +00:00
beacon_proposer_cache.rs Prepare proposer (#3043) 2022-03-09 00:42:05 +00:00
beacon_snapshot.rs Altair consensus changes and refactors (#2279) 2021-07-09 06:15:32 +00:00
block_reward.rs Implement API for block rewards (#2628) 2022-01-27 01:06:02 +00:00
block_times_cache.rs Add BlockTimesCache to allow additional block delay metrics (#2546) 2021-09-30 04:31:41 +00:00
block_verification.rs Enforce Optimistic Sync Conditions & CLI Tests (v2) (#3050) 2022-03-01 22:56:47 +00:00
builder.rs Avoid looking up pre-finalization blocks (#2909) 2022-01-27 22:58:32 +00:00
chain_config.rs Increase network limits (#2796) 2021-12-02 14:29:20 +11:00
early_attester_cache.rs Add early attester cache (#2872) 2022-01-11 01:35:55 +00:00
errors.rs Prepare proposer (#3043) 2022-03-09 00:42:05 +00:00
eth1_chain.rs Removed PowBlock struct that never got used (#2813) 2021-12-02 14:29:20 +11:00
events.rs Implement API for block rewards (#2628) 2022-01-27 01:06:02 +00:00
execution_payload.rs Rename random to prev_randao (#3040) 2022-03-03 02:10:57 +00:00
fork_revert.rs Add configurable block replayer (#2863) 2021-12-21 06:30:52 +00:00
head_tracker.rs Altair consensus changes and refactors (#2279) 2021-07-09 06:15:32 +00:00
historical_blocks.rs Reduce lock contention in backfill sync (#2716) 2021-10-15 03:28:03 +00:00
lib.rs Prepare proposer (#3043) 2022-03-09 00:42:05 +00:00
metrics.rs Avoid looking up pre-finalization blocks (#2909) 2022-01-27 22:58:32 +00:00
migrate.rs Add configurable block replayer (#2863) 2021-12-21 06:30:52 +00:00
naive_aggregation_pool.rs Update to Rust 1.59 and 2021 edition (#3038) 2022-02-25 00:10:17 +00:00
observed_aggregates.rs [Altair] Sync committee pools (#2321) 2021-07-15 00:52:02 +00:00
observed_attesters.rs Ensure doppelganger detects attestations in blocks (#2495) 2021-08-09 02:43:03 +00:00
observed_block_producers.rs Doppelganger detection (#2230) 2021-07-31 03:50:52 +00:00
observed_operations.rs Clippy 1.49.0 updates and dht persistence test fix (#2156) 2021-01-19 00:34:28 +00:00
persisted_beacon_chain.rs Fix head tracker concurrency bugs (#1771) 2020-10-19 05:58:39 +00:00
persisted_fork_choice.rs Optimise balances cache in case of skipped slots (#2849) 2021-12-13 23:35:57 +00:00
pre_finalization_cache.rs Avoid looking up pre-finalization blocks (#2909) 2022-01-27 22:58:32 +00:00
proposer_prep_service.rs Prepare proposer (#3043) 2022-03-09 00:42:05 +00:00
schema_change.rs Optimise balances cache in case of skipped slots (#2849) 2021-12-13 23:35:57 +00:00
shuffling_cache.rs Advance state to next slot after importing block (#2174) 2021-02-15 07:17:52 +00:00
snapshot_cache.rs Remove grandparents from snapshot cache (#2917) 2022-01-14 07:20:55 +00:00
state_advance_timer.rs 1.57.0 lints (#2850) 2021-12-03 04:44:30 +00:00
sync_committee_verification.rs Update to Rust 1.59 and 2021 edition (#3038) 2022-02-25 00:10:17 +00:00
test_utils.rs auth for engine api (#3046) 2022-03-08 06:46:24 +00:00
timeout_rw_lock.rs Add flag to disable lock timeouts (#2714) 2021-10-19 00:30:40 +00:00
validator_monitor.rs Update to Rust 1.59 and 2021 edition (#3038) 2022-02-25 00:10:17 +00:00
validator_pubkey_cache.rs Replace OpenOptions::new with File::options to be readable (#3059) 2022-03-07 06:30:18 +00:00