## Issue Addressed
Add a flag that optionally enables unrealized vote tracking. Would like to test out on testnets and benchmark differences in methods of vote tracking. This PR includes a DB schema upgrade to enable to new vote tracking style.
Co-authored-by: realbigsean <sean@sigmaprime.io>
Co-authored-by: Paul Hauner <paul@paulhauner.com>
Co-authored-by: sean <seananderson33@gmail.com>
Co-authored-by: Mac L <mjladson@pm.me>
## Overview
This rather extensive PR achieves two primary goals:
1. Uses the finalized/justified checkpoints of fork choice (FC), rather than that of the head state.
2. Refactors fork choice, block production and block processing to `async` functions.
Additionally, it achieves:
- Concurrent forkchoice updates to the EL and cache pruning after a new head is selected.
- Concurrent "block packing" (attestations, etc) and execution payload retrieval during block production.
- Concurrent per-block-processing and execution payload verification during block processing.
- The `Arc`-ification of `SignedBeaconBlock` during block processing (it's never mutated, so why not?):
- I had to do this to deal with sending blocks into spawned tasks.
- Previously we were cloning the beacon block at least 2 times during each block processing, these clones are either removed or turned into cheaper `Arc` clones.
- We were also `Box`-ing and un-`Box`-ing beacon blocks as they moved throughout the networking crate. This is not a big deal, but it's nice to avoid shifting things between the stack and heap.
- Avoids cloning *all the blocks* in *every chain segment* during sync.
- It also has the potential to clean up our code where we need to pass an *owned* block around so we can send it back in the case of an error (I didn't do much of this, my PR is already big enough 😅)
- The `BeaconChain::HeadSafetyStatus` struct was removed. It was an old relic from prior merge specs.
For motivation for this change, see https://github.com/sigp/lighthouse/pull/3244#issuecomment-1160963273
## Changes to `canonical_head` and `fork_choice`
Previously, the `BeaconChain` had two separate fields:
```
canonical_head: RwLock<Snapshot>,
fork_choice: RwLock<BeaconForkChoice>
```
Now, we have grouped these values under a single struct:
```
canonical_head: CanonicalHead {
cached_head: RwLock<Arc<Snapshot>>,
fork_choice: RwLock<BeaconForkChoice>
}
```
Apart from ergonomics, the only *actual* change here is wrapping the canonical head snapshot in an `Arc`. This means that we no longer need to hold the `cached_head` (`canonical_head`, in old terms) lock when we want to pull some values from it. This was done to avoid deadlock risks by preventing functions from acquiring (and holding) the `cached_head` and `fork_choice` locks simultaneously.
## Breaking Changes
### The `state` (root) field in the `finalized_checkpoint` SSE event
Consider the scenario where epoch `n` is just finalized, but `start_slot(n)` is skipped. There are two state roots we might in the `finalized_checkpoint` SSE event:
1. The state root of the finalized block, which is `get_block(finalized_checkpoint.root).state_root`.
4. The state root at slot of `start_slot(n)`, which would be the state from (1), but "skipped forward" through any skip slots.
Previously, Lighthouse would choose (2). However, we can see that when [Teku generates that event](de2b2801c8/data/beaconrestapi/src/main/java/tech/pegasys/teku/beaconrestapi/handlers/v1/events/EventSubscriptionManager.java (L171-L182)) it uses [`getStateRootFromBlockRoot`](de2b2801c8/data/provider/src/main/java/tech/pegasys/teku/api/ChainDataProvider.java (L336-L341)) which uses (1).
I have switched Lighthouse from (2) to (1). I think it's a somewhat arbitrary choice between the two, where (1) is easier to compute and is consistent with Teku.
## Notes for Reviewers
I've renamed `BeaconChain::fork_choice` to `BeaconChain::recompute_head`. Doing this helped ensure I broke all previous uses of fork choice and I also find it more descriptive. It describes an action and can't be confused with trying to get a reference to the `ForkChoice` struct.
I've changed the ordering of SSE events when a block is received. It used to be `[block, finalized, head]` and now it's `[block, head, finalized]`. It was easier this way and I don't think we were making any promises about SSE event ordering so it's not "breaking".
I've made it so fork choice will run when it's first constructed. I did this because I wanted to have a cached version of the last call to `get_head`. Ensuring `get_head` has been run *at least once* means that the cached values doesn't need to wrapped in an `Option`. This was fairly simple, it just involved passing a `slot` to the constructor so it knows *when* it's being run. When loading a fork choice from the store and a slot clock isn't handy I've just used the `slot` that was saved in the `fork_choice_store`. That seems like it would be a faithful representation of the slot when we saved it.
I added the `genesis_time: u64` to the `BeaconChain`. It's small, constant and nice to have around.
Since we're using FC for the fin/just checkpoints, we no longer get the `0x00..00` roots at genesis. You can see I had to remove a work-around in `ef-tests` here: b56be3bc2. I can't find any reason why this would be an issue, if anything I think it'll be better since the genesis-alias has caught us out a few times (0x00..00 isn't actually a real root). Edit: I did find a case where the `network` expected the 0x00..00 alias and patched it here: 3f26ac3e2.
You'll notice a lot of changes in tests. Generally, tests should be functionally equivalent. Here are the things creating the most diff-noise in tests:
- Changing tests to be `tokio::async` tests.
- Adding `.await` to fork choice, block processing and block production functions.
- Refactor of the `canonical_head` "API" provided by the `BeaconChain`. E.g., `chain.canonical_head.cached_head()` instead of `chain.canonical_head.read()`.
- Wrapping `SignedBeaconBlock` in an `Arc`.
- In the `beacon_chain/tests/block_verification`, we can't use the `lazy_static` `CHAIN_SEGMENT` variable anymore since it's generated with an async function. We just generate it in each test, not so efficient but hopefully insignificant.
I had to disable `rayon` concurrent tests in the `fork_choice` tests. This is because the use of `rayon` and `block_on` was causing a panic.
Co-authored-by: Mac L <mjladson@pm.me>
## Proposed Changes
Reduce post-merge disk usage by not storing finalized execution payloads in Lighthouse's database.
⚠️ **This is achieved in a backwards-incompatible way for networks that have already merged** ⚠️. Kiln users and shadow fork enjoyers will be unable to downgrade after running the code from this PR. The upgrade migration may take several minutes to run, and can't be aborted after it begins.
The main changes are:
- New column in the database called `ExecPayload`, keyed by beacon block root.
- The `BeaconBlock` column now stores blinded blocks only.
- Lots of places that previously used full blocks now use blinded blocks, e.g. analytics APIs, block replay in the DB, etc.
- On finalization:
- `prune_abanonded_forks` deletes non-canonical payloads whilst deleting non-canonical blocks.
- `migrate_db` deletes finalized canonical payloads whilst deleting finalized states.
- Conversions between blinded and full blocks are implemented in a compositional way, duplicating some work from Sean's PR #3134.
- The execution layer has a new `get_payload_by_block_hash` method that reconstructs a payload using the EE's `eth_getBlockByHash` call.
- I've tested manually that it works on Kiln, using Geth and Nethermind.
- This isn't necessarily the most efficient method, and new engine APIs are being discussed to improve this: https://github.com/ethereum/execution-apis/pull/146.
- We're depending on the `ethers` master branch, due to lots of recent changes. We're also using a workaround for https://github.com/gakonst/ethers-rs/issues/1134.
- Payload reconstruction is used in the HTTP API via `BeaconChain::get_block`, which is now `async`. Due to the `async` fn, the `blocking_json` wrapper has been removed.
- Payload reconstruction is used in network RPC to serve blocks-by-{root,range} responses. Here the `async` adjustment is messier, although I think I've managed to come up with a reasonable compromise: the handlers take the `SendOnDrop` by value so that they can drop it on _task completion_ (after the `fn` returns). Still, this is introducing disk reads onto core executor threads, which may have a negative performance impact (thoughts appreciated).
## Additional Info
- [x] For performance it would be great to remove the cloning of full blocks when converting them to blinded blocks to write to disk. I'm going to experiment with a `put_block` API that takes the block by value, breaks it into a blinded block and a payload, stores the blinded block, and then re-assembles the full block for the caller.
- [x] We should measure the latency of blocks-by-root and blocks-by-range responses.
- [x] We should add integration tests that stress the payload reconstruction (basic tests done, issue for more extensive tests: https://github.com/sigp/lighthouse/issues/3159)
- [x] We should (manually) test the schema v9 migration from several prior versions, particularly as blocks have changed on disk and some migrations rely on being able to load blocks.
Co-authored-by: Paul Hauner <paul@paulhauner.com>
## Issue Addressed
NA
## Proposed Changes
Adds the functionality to allow blocks to be validated/invalidated after their import as per the [optimistic sync spec](https://github.com/ethereum/consensus-specs/blob/dev/sync/optimistic.md#how-to-optimistically-import-blocks). This means:
- Updating `ProtoArray` to allow flipping the `execution_status` of ancestors/descendants based on payload validity updates.
- Creating separation between `execution_layer` and the `beacon_chain` by creating a `PayloadStatus` struct.
- Refactoring how the `execution_layer` selects a `PayloadStatus` from the multiple statuses returned from multiple EEs.
- Adding testing framework for optimistic imports.
- Add `ExecutionBlockHash(Hash256)` new-type struct to avoid confusion between *beacon block roots* and *execution payload hashes*.
- Add `merge` to [`FORKS`](c3a793fd73/Makefile (L17)) in the `Makefile` to ensure we test the beacon chain with merge settings.
- Fix some tests here that were failing due to a missing execution layer.
## TODO
- [ ] Balance tests
Co-authored-by: Mark Mackey <mark@sigmaprime.io>
## Issue Addressed
NA
## Proposed Changes
This PR is near-identical to https://github.com/sigp/lighthouse/pull/2652, however it is to be merged into `unstable` instead of `merge-f2f`. Please see that PR for reasoning.
I'm making this duplicate PR to merge to `unstable` in an effort to shrink the diff between `unstable` and `merge-f2f` by doing smaller, lead-up PRs.
## Additional Info
NA
## Issue Addressed
NA
## Proposed Changes
Adds the ability to verify batches of aggregated/unaggregated attestations from the network.
When the `BeaconProcessor` finds there are messages in the aggregated or unaggregated attestation queues, it will first check the length of the queue:
- `== 1` verify the attestation individually.
- `>= 2` take up to 64 of those attestations and verify them in a batch.
Notably, we only perform batch verification if the queue has a backlog. We don't apply any artificial delays to attestations to try and force them into batches.
### Batching Details
To assist with implementing batches we modify `beacon_chain::attestation_verification` to have two distinct categories for attestations:
- *Indexed* attestations: those which have passed initial validation and were valid enough for us to derive an `IndexedAttestation`.
- *Verified* attestations: those attestations which were indexed *and also* passed signature verification. These are well-formed, interesting messages which were signed by validators.
The batching functions accept `n` attestations and then return `n` attestation verification `Result`s, where those `Result`s can be any combination of `Ok` or `Err`. In other words, we attempt to verify as many attestations as possible and return specific per-attestation results so peer scores can be updated, if required.
When we batch verify attestations, we first try to map all those attestations to *indexed* attestations. If any of those attestations were able to be indexed, we then perform batch BLS verification on those indexed attestations. If the batch verification succeeds, we convert them into *verified* attestations, disabling individual signature checking. If the batch fails, we convert to verified attestations with individual signature checking enabled.
Ultimately, we optimistically try to do a batch verification of attestation signatures and fall-back to individual verification if it fails. This opens an attach vector for "poisoning" the attestations and causing us to waste a batch verification. I argue that peer scoring should do a good-enough job of defending against this and the typical-case gains massively outweigh the worst-case losses.
## Additional Info
Before this PR, attestation verification took the attestations by value (instead of by reference). It turns out that this was unnecessary and, in my opinion, resulted in some undesirable ergonomics (e.g., we had to pass the attestation back in the `Err` variant to avoid clones). In this PR I've modified attestation verification so that it now takes a reference.
I refactored the `beacon_chain/tests/attestation_verification.rs` tests so they use a builder-esque "tester" struct instead of a weird macro. It made it easier for me to test individual/batch with the same set of tests and I think it was a nice tidy-up. Notably, I did this last to try and make sure my new refactors to *actual* production code would pass under the existing test suite.
## Issue Addressed
#635
## Proposed Changes
- Keep attestations that reference a block we have not seen for 30secs before being re processed
- If we do import the block before that time elapses, it is reprocessed in that moment
- The first time it fails, do nothing wrt to gossipsub propagation or peer downscoring. If after being re processed it fails, downscore with a `LowToleranceError` and ignore the message.
## Proposed Changes
Implement the consensus changes necessary for the upcoming Altair hard fork.
## Additional Info
This is quite a heavy refactor, with pivotal types like the `BeaconState` and `BeaconBlock` changing from structs to enums. This ripples through the whole codebase with field accesses changing to methods, e.g. `state.slot` => `state.slot()`.
Co-authored-by: realbigsean <seananderson33@gmail.com>
## Issue Addressed
#2377
## Proposed Changes
Implement the same code used for block root lookups (from #2376) to state root lookups in order to improve performance and reduce associated memory spikes (e.g. from certain HTTP API requests).
## Additional Changes
- Tests using `rev_iter_state_roots` and `rev_iter_block_roots` have been refactored to use their `forwards` versions instead.
- The `rev_iter_state_roots` and `rev_iter_block_roots` functions are now unused and have been removed.
- The `state_at_slot` function has been changed to use the `forwards` iterator.
## Additional Info
- Some tests still need to be refactored to use their `forwards_iter` versions. These tests start their iteration from a specific beacon state and thus use the `rev_iter_state_roots_from` and `rev_iter_block_roots_from` functions. If they can be refactored, those functions can also be removed.
## Issue Addressed
NA
## Primary Change
When investigating memory usage, I noticed that retrieving a block from an early slot (e.g., slot 900) would cause a sharp increase in the memory footprint (from 400mb to 800mb+) which seemed to be ever-lasting.
After some investigation, I found that the reverse iteration from the head back to that slot was the likely culprit. To counter this, I've switched the `BeaconChain::block_root_at_slot` to use the forwards iterator, instead of the reverse one.
I also noticed that the networking stack is using `BeaconChain::root_at_slot` to check if a peer is relevant (`check_peer_relevance`). Perhaps the steep, seemingly-random-but-consistent increases in memory usage are caused by the use of this function.
Using the forwards iterator with the HTTP API alleviated the sharp increases in memory usage. It also made the response much faster (before it felt like to took 1-2s, now it feels instant).
## Additional Changes
In the process I also noticed that we have two functions for getting block roots:
- `BeaconChain::block_root_at_slot`: returns `None` for a skip slot.
- `BeaconChain::root_at_slot`: returns the previous root for a skip slot.
I unified these two functions into `block_root_at_slot` and added the `WhenSlotSkipped` enum. Now, the caller must be explicit about the skip-slot behaviour when requesting a root.
Additionally, I replaced `vec![]` with `Vec::with_capacity` in `store::chunked_vector::range_query`. I stumbled across this whilst debugging and made this modification to see what effect it would have (not much). It seems like a decent change to keep around, but I'm not concerned either way.
Also, `BeaconChain::get_ancestor_block_root` is unused, so I got rid of it 🗑️.
## Additional Info
I haven't also done the same for state roots here. Whilst it's possible and a good idea, it's more work since the fwds iterators are presently block-roots-specific.
Whilst there's a few places a reverse iteration of state roots could be triggered (e.g., attestation production, HTTP API), they're no where near as common as the `check_peer_relevance` call. As such, I think we should get this PR merged first, then come back for the state root iters. I made an issue here https://github.com/sigp/lighthouse/issues/2377.
## Issue Addressed
Closes#2052
## Proposed Changes
- Refactor the attester/proposer duties endpoints in the BN
- Performance improvements
- Fixes some potential inconsistencies with the dependent root fields.
- Removes `http_api::beacon_proposer_cache` and just uses the one on the `BeaconChain` instead.
- Move the code for the proposer/attester duties endpoints into separate files, for readability.
- Refactor the `DutiesService` in the VC
- Required to reduce the delay on broadcasting new blocks.
- Gets rid of the `ValidatorDuty` shim struct that came about when we adopted the standard API.
- Separate block/attestation duty tasks so that they don't block each other when one is slow.
- In the VC, use `PublicKeyBytes` to represent validators instead of `PublicKey`. `PublicKey` is a legit crypto object whilst `PublicKeyBytes` is just a byte-array, it's much faster to clone/hash `PublicKeyBytes` and this change has had a significant impact on runtimes.
- Unfortunately this has created lots of dust changes.
- In the BN, store `PublicKeyBytes` in the `beacon_proposer_cache` and allow access to them. The HTTP API always sends `PublicKeyBytes` over the wire and the conversion from `PublicKey` -> `PublickeyBytes` is non-trivial, especially when queries have 100s/1000s of validators (like Pyrmont).
- Add the `state_processing::state_advance` mod which dedups a lot of the "apply `n` skip slots to the state" code.
- This also fixes a bug with some functions which were failing to include a state root as per [this comment](072695284f/consensus/state_processing/src/state_advance.rs (L69-L74)). I couldn't find any instance of this bug that resulted in anything more severe than keying a shuffling cache by the wrong block root.
- Swap the VC block service to use `mpsc` from `tokio` instead of `futures`. This is consistent with the rest of the code base.
~~This PR *reduces* the size of the codebase 🎉~~ It *used* to reduce the size of the code base before I added more comments.
## Observations on Prymont
- Proposer duties times down from peaks of 450ms to consistent <1ms.
- Current epoch attester duties times down from >1s peaks to a consistent 20-30ms.
- Block production down from +600ms to 100-200ms.
## Additional Info
- ~~Blocked on #2241~~
- ~~Blocked on #2234~~
## TODO
- [x] ~~Refactor this into some smaller PRs?~~ Leaving this as-is for now.
- [x] Address `per_slot_processing` roots.
- [x] Investigate slow next epoch times. Not getting added to cache on block processing?
- [x] Consider [this](072695284f/beacon_node/store/src/hot_cold_store.rs (L811-L812)) in the scenario of replacing the state roots
Co-authored-by: pawan <pawandhananjay@gmail.com>
Co-authored-by: Michael Sproul <michael@sigmaprime.io>
## Issue Addressed
NA
## Proposed Changes
Add an optimization to perform `per_slot_processing` from the *leading-edge* of block processing to the *trailing-edge*. Ultimately, this allows us to import the block at slot `n` faster because we used the tail-end of slot `n - 1` to perform `per_slot_processing`.
Additionally, add a "block proposer cache" which allows us to cache the block proposer for some epoch. Since we're now doing trailing-edge `per_slot_processing`, we can prime this cache with the values for the next epoch before those blocks arrive (assuming those blocks don't have some weird forking).
There were several ancillary changes required to achieve this:
- Remove the `state_root` field of `BeaconSnapshot`, since there's no need to know it on a `pre_state` and in all other cases we can just read it from `block.state_root()`.
- This caused some "dust" changes of `snapshot.beacon_state_root` to `snapshot.beacon_state_root()`, where the `BeaconSnapshot::beacon_state_root()` func just reads the state root from the block.
- Rename `types::ShuffingId` to `AttestationShufflingId`. I originally did this because I added a `ProposerShufflingId` struct which turned out to be not so useful. I thought this new name was more descriptive so I kept it.
- Address https://github.com/ethereum/eth2.0-specs/pull/2196
- Add a debug log when we get a block with an unknown parent. There was previously no logging around this case.
- Add a function to `BeaconState` to compute all proposers for an epoch without re-computing the active indices for each slot.
## Additional Info
- ~~Blocked on #2173~~
- ~~Blocked on #2179~~ That PR was wrapped into this PR.
- There's potentially some places where we could avoid computing the proposer indices in `per_block_processing` but I haven't done this here. These would be an optimization beyond the issue at hand (improving block propagation times) and I think this PR is already doing enough. We can come back for that later.
## TODO
- [x] Tidy, improve comments.
- [x] ~~Try avoid computing proposer index in `per_block_processing`?~~
## Issue Addressed
Closes#1557
## Proposed Changes
Modify the pruning algorithm so that it mutates the head-tracker _before_ committing the database transaction to disk, and _only if_ all the heads to be removed are still present in the head-tracker (i.e. no concurrent mutations).
In the process of writing and testing this I also had to make a few other changes:
* Use internal mutability for all `BeaconChainHarness` functions (namely the RNG and the graffiti), in order to enable parallel calls (see testing section below).
* Disable logging in harness tests unless the `test_logger` feature is turned on
And chose to make some clean-ups:
* Delete the `NullMigrator`
* Remove type-based configuration for the migrator in favour of runtime config (simpler, less duplicated code)
* Use the non-blocking migrator unless the blocking migrator is required. In the store tests we need the blocking migrator because some tests make asserts about the state of the DB after the migration has run.
* Rename `validators_keypairs` -> `validator_keypairs` in the `BeaconChainHarness`
## Testing
To confirm that the fix worked, I wrote a test using [Hiatus](https://crates.io/crates/hiatus), which can be found here:
https://github.com/michaelsproul/lighthouse/tree/hiatus-issue-1557
That test can't be merged because it inserts random breakpoints everywhere, but if you check out that branch you can run the test with:
```
$ cd beacon_node/beacon_chain
$ cargo test --release --test parallel_tests --features test_logger
```
It should pass, and the log output should show:
```
WARN Pruning deferred because of a concurrent mutation, message: this is expected only very rarely!
```
## Additional Info
This is a backwards-compatible change with no impact on consensus.
## Issue Addressed
Closes#673
## Proposed Changes
Store a schema version in the database so that future releases can check they're running against a compatible database version. This would also enable automatic migration on breaking database changes, but that's left as future work.
The database config is also stored in the database so that the `slots_per_restore_point` value can be checked for consistency, which closes#673
- Resolves#1550
- Resolves#824
- Resolves#825
- Resolves#1131
- Resolves#1411
- Resolves#1256
- Resolve#1177
- Includes the `ShufflingId` struct initially defined in #1492. That PR is now closed and the changes are included here, with significant bug fixes.
- Implement the https://github.com/ethereum/eth2.0-APIs in a new `http_api` crate using `warp`. This replaces the `rest_api` crate.
- Add a new `common/eth2` crate which provides a wrapper around `reqwest`, providing the HTTP client that is used by the validator client and for testing. This replaces the `common/remote_beacon_node` crate.
- Create a `http_metrics` crate which is a dedicated server for Prometheus metrics (they are no longer served on the same port as the REST API). We now have flags for `--metrics`, `--metrics-address`, etc.
- Allow the `subnet_id` to be an optional parameter for `VerifiedUnaggregatedAttestation::verify`. This means it does not need to be provided unnecessarily by the validator client.
- Move `fn map_attestation_committee` in `mod beacon_chain::attestation_verification` to a new `fn with_committee_cache` on the `BeaconChain` so the same cache can be used for obtaining validator duties.
- Add some other helpers to `BeaconChain` to assist with common API duties (e.g., `block_root_at_slot`, `head_beacon_block_root`).
- Change the `NaiveAggregationPool` so it can index attestations by `hash_tree_root(attestation.data)`. This is a requirement of the API.
- Add functions to `BeaconChainHarness` to allow it to create slashings and exits.
- Allow for `eth1::Eth1NetworkId` to go to/from a `String`.
- Add functions to the `OperationPool` to allow getting all objects in the pool.
- Add function to `BeaconState` to check if a committee cache is initialized.
- Fix bug where `seconds_per_eth1_block` was not transferring over from `YamlConfig` to `ChainSpec`.
- Add the `deposit_contract_address` to `YamlConfig` and `ChainSpec`. We needed to be able to return it in an API response.
- Change some uses of serde `serialize_with` and `deserialize_with` to a single use of `with` (code quality).
- Impl `Display` and `FromStr` for several BLS fields.
- Check for clock discrepancy when VC polls BN for sync state (with +/- 1 slot tolerance). This is not intended to be comprehensive, it was just easy to do.
- See #1434 for a per-endpoint overview.
- Seeking clarity here: https://github.com/ethereum/eth2.0-APIs/issues/75
- [x] Add docs for prom port to close#1256
- [x] Follow up on this #1177
- [x] ~~Follow up with #1424~~ Will fix in future PR.
- [x] Follow up with #1411
- [x] ~~Follow up with #1260~~ Will fix in future PR.
- [x] Add quotes to all integers.
- [x] Remove `rest_types`
- [x] Address missing beacon block error. (#1629)
- [x] ~~Add tests for lighthouse/peers endpoints~~ Wontfix
- [x] ~~Follow up with validator status proposal~~ Tracked in #1434
- [x] Unify graffiti structs
- [x] ~~Start server when waiting for genesis?~~ Will fix in future PR.
- [x] TODO in http_api tests
- [x] Move lighthouse endpoints off /eth/v1
- [x] Update docs to link to standard
- ~~Blocked on #1586~~
Co-authored-by: Michael Sproul <michael@sigmaprime.io>
The PR:
* Adds the ability to generate a crucial test scenario that isn't possible with `BeaconChainHarness` (i.e. two blocks occupying the same slot; previously forks necessitated skipping slots):
* New testing API: Instead of repeatedly calling add_block(), you generate a sorted `Vec<Slot>` and leave it up to the framework to generate blocks at those slots.
* Jumping backwards to an earlier epoch is a hard error, so that tests necessarily generate blocks in a epoch-by-epoch manner.
* Configures the test logger so that output is printed on the console in case a test fails. The logger also plays well with `--nocapture`, contrary to the existing testing framework
* Rewrites existing fork pruning tests to use the new API
* Adds a tests that triggers finalization at a non epoch boundary slot
* Renamed `BeaconChainYoke` to `BeaconChainTestingRig` because the former has been too confusing
* Fixed multiple tests (e.g. `block_production_different_shuffling_long`, `delete_blocks_and_states`, `shuffling_compatible_simple_fork`) that relied on a weird (and accidental) feature of the old `BeaconChainHarness` that attestations aren't produced for epochs earlier than the current one, thus masking potential bugs in test cases.
Co-authored-by: Michael Sproul <michael@sigmaprime.io>
* Process exits and slashings off the network
* Fix rest_api tests
* Add op verification tests
* Add tests for pruning of slashings in the op pool
* Address Paul's review comments
* Update `milagro_bls` to new release (#1183)
* Update milagro_bls to new release
Signed-off-by: Kirk Baird <baird.k@outlook.com>
* Tidy up fake cryptos
Signed-off-by: Kirk Baird <baird.k@outlook.com>
* move SecretHash to bls and put plaintext back
Signed-off-by: Kirk Baird <baird.k@outlook.com>
* Update v0.12.0 to v0.12.1
* Add compute_subnet_for_attestation
* Replace CommitteeIndex topic with Attestation
* Fix warnings
* Fix attestation service tests
* fmt
* Appease clippy
* return error from validator_subscriptions
* move state out of loop
* Fix early break on error
* Get state from slot clock
* Fix beacon state in attestation tests
* Add failing test for lookahead > 1
* Minor change
* Address some review comments
* Add subnet verification to beacon chain
* Move subnet verification to processor
* Pass committee_count_at_slot to ValidatorDuty and ValidatorSubscription
* Pass subnet id for publishing attestations
* Fix attestation service tests
* Fix more tests
* Fix fork choice test
* Remove unused code
* Remove more unused and expensive code
Co-authored-by: Kirk Baird <baird.k@outlook.com>
Co-authored-by: Michael Sproul <michael@sigmaprime.io>
Co-authored-by: Age Manning <Age@AgeManning.com>
Co-authored-by: Paul Hauner <paul@paulhauner.com>
* Layer do_atomically() abstractions properly
* Reduce allocs and DRY get_key_for_col()
* Parameterize HotColdDB with hot and cold item stores
* -impl Store for MemoryStore
* Replace Store uses with HotColdDB
* Ditch Store trait
* cargo fmt
* Style fix
* Readd missing dep that broke the build
* Remove redundant method
* Pull out a method out of a struct
* More precise db access abstractions
* Move fake trait method out of it
* cargo fmt
* Fix compilation error after refactoring
* Move another fake method out the Store trait
* Get rid of superfluous method
* Fix refactoring bug
* Rename: SimpleStoreItem -> StoreItem
* Get rid of the confusing DiskStore type alias
* Get rid of SimpleDiskStore type alias
* Correction: A method took both self and a ref to Self
* Add PH & MS slot clock changes
* Account for genesis time
* Add progress on duties refactor
* Add simple is_aggregator bool to val subscription
* Start work on attestation_verification.rs
* Add progress on ObservedAttestations
* Progress with ObservedAttestations
* Fix tests
* Add observed attestations to the beacon chain
* Add attestation observation to processing code
* Add progress on attestation verification
* Add first draft of ObservedAttesters
* Add more tests
* Add observed attesters to beacon chain
* Add observers to attestation processing
* Add more attestation verification
* Create ObservedAggregators map
* Remove commented-out code
* Add observed aggregators into chain
* Add progress
* Finish adding features to attestation verification
* Ensure beacon chain compiles
* Link attn verification into chain
* Integrate new attn verification in chain
* Remove old attestation processing code
* Start trying to fix beacon_chain tests
* Split adding into pools into two functions
* Add aggregation to harness
* Get test harness working again
* Adjust the number of aggregators for test harness
* Fix edge-case in harness
* Integrate new attn processing in network
* Fix compile bug in validator_client
* Update validator API endpoints
* Fix aggreagation in test harness
* Fix enum thing
* Fix attestation observation bug:
* Patch failing API tests
* Start adding comments to attestation verification
* Remove unused attestation field
* Unify "is block known" logic
* Update comments
* Supress fork choice errors for network processing
* Add todos
* Tidy
* Add gossip attn tests
* Disallow test harness to produce old attns
* Comment out in-progress tests
* Partially address pruning tests
* Fix failing store test
* Add aggregate tests
* Add comments about which spec conditions we check
* Dont re-aggregate
* Split apart test harness attn production
* Fix compile error in network
* Make progress on commented-out test
* Fix skipping attestation test
* Add fork choice verification tests
* Tidy attn tests, remove dead code
* Remove some accidentally added code
* Fix clippy lint
* Rename test file
* Add block tests, add cheap block proposer check
* Rename block testing file
* Add observed_block_producers
* Tidy
* Switch around block signature verification
* Finish block testing
* Remove gossip from signature tests
* First pass of self review
* Fix deviation in spec
* Update test spec tags
* Start moving over to hashset
* Finish moving observed attesters to hashmap
* Move aggregation pool over to hashmap
* Make fc attn borrow again
* Fix rest_api compile error
* Fix missing comments
* Fix monster test
* Uncomment increasing slots test
* Address remaining comments
* Remove unsafe, use cfg test
* Remove cfg test flag
* Fix dodgy comment
* Ignore aggregates that are already known.
* Unify aggregator modulo logic
* Fix typo in logs
* Refactor validator subscription logic
* Avoid reproducing selection proof
* Skip HTTP call if no subscriptions
* Rename DutyAndState -> DutyAndProof
* Tidy logs
* Print root as dbg
* Fix compile errors in tests
* Fix compile error in test
* Refactor `Attestation` production
* Add constant
* Start refactor for aggregation
* Return early when no attesting validators
* Refactor into individual functions
* Tidy, add comments
* Add first draft of NaiveAggregationPool
* Further progress on naive aggregation pool
* Fix compile errors in VC
* Change locking logic for naive pool
* Introduce AttesationType
* Add pruning, comments
* Add MAX_ATTESTATIONS_PER_SLOT restriction
* Add pruning based on slot
* Update BN for new aggregation fns
* Fix test compile errors
* Fix failing rest_api test
* Move SignedAggregateAndProof into own file
* Update docs, fix warning
* Tidy some formatting in validator API
* Remove T::default_spec from signing
* Fix failing rest test
* Tidy
* Add test, fix bug
* Improve naive pool tests
* Add max attestations test
* Revert changes to the op_pool
* Refactor timer
* Remove ping protocol
* Initial renaming of network services
* Correct rebasing relative to latest master
* Start updating types
* Adds HashMapDelay struct to utils
* Initial network restructure
* Network restructure. Adds new types for v0.2.0
* Removes build artefacts
* Shift validation to beacon chain
* Temporarily remove gossip validation
This is to be updated to match current optimisation efforts.
* Adds AggregateAndProof
* Begin rebuilding pubsub encoding/decoding
* Signature hacking
* Shift gossipsup decoding into eth2_libp2p
* Existing EF tests passing with fake_crypto
* Shifts block encoding/decoding into RPC
* Delete outdated API spec
* All release tests passing bar genesis state parsing
* Update and test YamlConfig
* Update to spec v0.10 compatible BLS
* Updates to BLS EF tests
* Add EF test for AggregateVerify
And delete unused hash2curve tests for uncompressed points
* Update EF tests to v0.10.1
* Use optional block root correctly in block proc
* Use genesis fork in deposit domain. All tests pass
* Fast aggregate verify test
* Update REST API docs
* Fix unused import
* Bump spec tags to v0.10.1
* Add `seconds_per_eth1_block` to chainspec
* Update to timestamp based eth1 voting scheme
* Return None from `get_votes_to_consider` if block cache is empty
* Handle overflows in `is_candidate_block`
* Revert to failing tests
* Fix eth1 data sets test
* Choose default vote according to spec
* Fix collect_valid_votes tests
* Fix `get_votes_to_consider` to choose all eligible blocks
* Uncomment winning_vote tests
* Add comments; remove unused code
* Reduce seconds_per_eth1_block for simulation
* Addressed review comments
* Add test for default vote case
* Fix logs
* Remove unused functions
* Meter default eth1 votes
* Fix comments
* Progress on attestation service
* Address review comments; remove unused dependency
* Initial work on removing libp2p lock
* Add LRU caches to store (rollup)
* Update attestation validation for DB changes (WIP)
* Initial version of should_forward_block
* Scaffold
* Progress on attestation validation
Also, consolidate prod+testing slot clocks so that they share much
of the same implementation and can both handle sub-slot time changes.
* Removes lock from libp2p service
* Completed network lock removal
* Finish(?) attestation processing
* Correct network termination future
* Add slot check to block check
* Correct fmt issues
* Remove Drop implementation for network service
* Add first attempt at attestation proc. re-write
* Add version 2 of attestation processing
* Minor fixes
* Add validator pubkey cache
* Make get_indexed_attestation take a committee
* Link signature processing into new attn verification
* First working version
* Ensure pubkey cache is updated
* Add more metrics, slight optimizations
* Clone committee cache during attestation processing
* Update shuffling cache during block processing
* Remove old commented-out code
* Fix shuffling cache insert bug
* Used indexed attestation in fork choice
* Restructure attn processing, add metrics
* Add more detailed metrics
* Tidy, fix failing tests
* Fix failing tests, tidy
* Address reviewers suggestions
* Disable/delete two outdated tests
* Modification of validator for subscriptions
* Add slot signing to validator client
* Further progress on validation subscription
* Adds necessary validator subscription functionality
* Add new Pubkeys struct to signature_sets
* Refactor with functional approach
* Update beacon chain
* Clean up validator <-> beacon node http types
* Add aggregator status to ValidatorDuty
* Impl Clone for manual slot clock
* Fix minor errors
* Further progress validator client subscription
* Initial subscription and aggregation handling
* Remove decompressed member from pubkey bytes
* Progress to modifying val client for attestation aggregation
* First draft of validator client upgrade for aggregate attestations
* Add hashmap for indices lookup
* Add state cache, remove store cache
* Only build the head committee cache
* Removes lock on a network channel
* Partially implement beacon node subscription http api
* Correct compilation issues
* Change `get_attesting_indices` to use Vec
* Fix failing test
* Partial implementation of timer
* Adds timer, removes exit_future, http api to op pool
* Partial multiple aggregate attestation handling
* Permits bulk messages accross gossipsub network channel
* Correct compile issues
* Improve gosispsub messaging and correct rest api helpers
* Added global gossipsub subscriptions
* Update validator subscriptions data structs
* Tidy
* Re-structure validator subscriptions
* Initial handling of subscriptions
* Re-structure network service
* Add pubkey cache persistence file
* Add more comments
* Integrate persistence file into builder
* Add pubkey cache tests
* Add HashSetDelay and introduce into attestation service
* Handles validator subscriptions
* Add data_dir to beacon chain builder
* Remove Option in pubkey cache persistence file
* Ensure consistency between datadir/data_dir
* Fix failing network test
* Peer subnet discovery gets queued for future subscriptions
* Reorganise attestation service functions
* Initial wiring of attestation service
* First draft of attestation service timing logic
* Correct minor typos
* Tidy
* Fix todos
* Improve tests
* Add PeerInfo to connected peers mapping
* Fix compile error
* Fix compile error from merge
* Split up block processing metrics
* Tidy
* Refactor get_pubkey_from_state
* Remove commented-out code
* Rename state_cache -> checkpoint_cache
* Rename Checkpoint -> Snapshot
* Tidy, add comments
* Tidy up find_head function
* Change some checkpoint -> snapshot
* Add tests
* Expose max_len
* Remove dead code
* Tidy
* Fix bug
* Add sync-speed metric
* Add first attempt at VerifiableBlock
* Start integrating into beacon chain
* Integrate VerifiableBlock
* Rename VerifableBlock -> PartialBlockVerification
* Add start of typed methods
* Add progress
* Add further progress
* Rename structs
* Add full block verification to block_processing.rs
* Further beacon chain integration
* Update checks for gossip
* Add todo
* Start adding segement verification
* Add passing chain segement test
* Initial integration with batch sync
* Minor changes
* Tidy, add more error checking
* Start adding chain_segment tests
* Finish invalid signature tests
* Include single and gossip verified blocks in tests
* Add gossip verification tests
* Start adding docs
* Finish adding comments to block_processing.rs
* Rename block_processing.rs -> block_verification
* Start removing old block processing code
* Fixes beacon_chain compilation
* Fix project-wide compile errors
* Remove old code
* Correct code to pass all tests
* Fix bug with beacon proposer index
* Fix shim for BlockProcessingError
* Only process one epoch at a time
* Fix loop in chain segment processing
* Correct tests from master merge
* Add caching for state.eth1_data_votes
* Add BeaconChain::validator_pubkey
* Revert "Add caching for state.eth1_data_votes"
This reverts commit cd73dcd6434fb8d8e6bf30c5356355598ea7b78e.
Co-authored-by: Grant Wuerker <gwuerker@gmail.com>
Co-authored-by: Michael Sproul <michael@sigmaprime.io>
Co-authored-by: Michael Sproul <micsproul@gmail.com>
Co-authored-by: pawan <pawandhananjay@gmail.com>
Co-authored-by: Paul Hauner <paul@paulhauner.com>
* Unfinished progress
* Update more persistence code
* Start fixing tests
* Combine persist head and fork choice
* Persist head on reorg
* Gracefully handle op pool and eth1 cache missing
* Fix test failure
* Address Michael's comments
* Start updating types
* WIP
* Signature hacking
* Existing EF tests passing with fake_crypto
* Updates
* Delete outdated API spec
* The refactor continues
* It compiles
* WIP test fixes
* All release tests passing bar genesis state parsing
* Update and test YamlConfig
* Update to spec v0.10 compatible BLS
* Updates to BLS EF tests
* Add EF test for AggregateVerify
And delete unused hash2curve tests for uncompressed points
* Update EF tests to v0.10.1
* Use optional block root correctly in block proc
* Use genesis fork in deposit domain. All tests pass
* Cargo fmt
* Fast aggregate verify test
* Update REST API docs
* Cargo fmt
* Fix unused import
* Bump spec tags to v0.10.1
* Add `seconds_per_eth1_block` to chainspec
* Update to timestamp based eth1 voting scheme
* Return None from `get_votes_to_consider` if block cache is empty
* Handle overflows in `is_candidate_block`
* Revert to failing tests
* Fix eth1 data sets test
* Choose default vote according to spec
* Fix collect_valid_votes tests
* Fix `get_votes_to_consider` to choose all eligible blocks
* Uncomment winning_vote tests
* Add comments; remove unused code
* Reduce seconds_per_eth1_block for simulation
* Addressed review comments
* Add test for default vote case
* Fix logs
* Remove unused functions
* Meter default eth1 votes
* Fix comments
* Address review comments; remove unused dependency
* Add first attempt at attestation proc. re-write
* Add version 2 of attestation processing
* Minor fixes
* Add validator pubkey cache
* Make get_indexed_attestation take a committee
* Link signature processing into new attn verification
* First working version
* Ensure pubkey cache is updated
* Add more metrics, slight optimizations
* Clone committee cache during attestation processing
* Update shuffling cache during block processing
* Remove old commented-out code
* Fix shuffling cache insert bug
* Used indexed attestation in fork choice
* Restructure attn processing, add metrics
* Add more detailed metrics
* Tidy, fix failing tests
* Fix failing tests, tidy
* Disable/delete two outdated tests
* Tidy
* Add pubkey cache persistence file
* Add more comments
* Integrate persistence file into builder
* Add pubkey cache tests
* Add data_dir to beacon chain builder
* Remove Option in pubkey cache persistence file
* Ensure consistency between datadir/data_dir
* Fix failing network test
* Tidy
* Fix todos
* Add attestation processing tests
* Add another test
* Only run attestation tests in release
* Make attestation tests MainnetEthSpec
* Address Michael's comments
* Remove redundant check
* Fix warning
* Fix failing test
Co-authored-by: Michael Sproul <micsproul@gmail.com>
Co-authored-by: Pawan Dhananjay <pawandhananjay@gmail.com>
* Start updating types
* WIP
* Signature hacking
* Existing EF tests passing with fake_crypto
* Updates
* Delete outdated API spec
* The refactor continues
* It compiles
* WIP test fixes
* All release tests passing bar genesis state parsing
* Update and test YamlConfig
* Update to spec v0.10 compatible BLS
* Updates to BLS EF tests
* Add EF test for AggregateVerify
And delete unused hash2curve tests for uncompressed points
* Update EF tests to v0.10.1
* Use optional block root correctly in block proc
* Use genesis fork in deposit domain. All tests pass
* Cargo fmt
* Fast aggregate verify test
* Update REST API docs
* Cargo fmt
* Fix unused import
* Bump spec tags to v0.10.1
* Add `seconds_per_eth1_block` to chainspec
* Update to timestamp based eth1 voting scheme
* Return None from `get_votes_to_consider` if block cache is empty
* Handle overflows in `is_candidate_block`
* Revert to failing tests
* Fix eth1 data sets test
* Choose default vote according to spec
* Fix collect_valid_votes tests
* Fix `get_votes_to_consider` to choose all eligible blocks
* Uncomment winning_vote tests
* Add comments; remove unused code
* Reduce seconds_per_eth1_block for simulation
* Addressed review comments
* Add test for default vote case
* Fix logs
* Remove unused functions
* Meter default eth1 votes
* Fix comments
* Address review comments; remove unused dependency
* Disable/delete two outdated tests
* Bump eth1 default vote warn to error
* Delete outdated eth1 test
Co-authored-by: Pawan Dhananjay <pawandhananjay@gmail.com>
* Add TimeoutRwLock to BeaconChain
* Update network crate
* Update rest api
* Fix beacon chain tests
* Fix rest api tests
* Set test back to !debug_assertions
* Refactor to cache Eth1Data
* Fix merge conflicts and minor refactorings
* Rename Eth1Cache to Eth1DataCache
* Refactor events subscription
* Add deposits module to interface with BeaconChain deposits
* Remove utils
* Rename to types.rs and add trait constraints to Eth1DataFetcher
* Confirm to trait constraints. Make Web3DataFetcher cloneable
* Make fetcher object member of deposit and eth1_data cache and other fixes
* Fix update_cache function
* Move fetch_eth1_data to impl block
* Fix deposit tests
* Create Eth1 object for interfacing with Beacon chain
* Add `run` function for running update_cache and subscribe_deposit_logs tasks
* Add logging
* Run `cargo fmt` and make tests pass
* Convert sync functions to async
* Add timeouts to web3 functions
* Return futures from cache functions
* Add failed chaining of futures
* Working cache updation
* Clean up tests and `update_cache` function
* Refactor `get_eth1_data` functions to work with future returning functions
* Refactor eth1 `run` function to work with modified `update_cache` api
* Minor changes
* Add distance parameter to `update_cache`
* Fix tests and other minor fixes
* Working integration with cache and deposits
* Add merkle_tree construction, proof generation and verification code
* Add function to construct and fetch Deposits for BeaconNode
* Add error handling
* Import ssz
* Add error handling to eth1 cache and fix minor errors
* Run rustfmt
* Fix minor bug
* Rename Eth1Error and change to Result<T>
* Change deposit fetching mechanism from notification based to poll based
* Add deposits from eth1 chain in a given range every `x` blocks
* Modify `run` function to accommodate changes
* Minor fixes
* Fix formatting
* Initial commit. web3 api working.
* Tidied up lib. Add function for fetching logs.
* Refactor with `Eth1DataFetcher` trait
* Add parsing for deposit contract logs and get_eth1_data function
* Add `get_eth1_votes` function
* Refactor to cache Eth1Data
* Fix merge conflicts and minor refactorings
* Rename Eth1Cache to Eth1DataCache
* Refactor events subscription
* Add deposits module to interface with BeaconChain deposits
* Remove utils
* Rename to types.rs and add trait constraints to Eth1DataFetcher
* Confirm to trait constraints. Make Web3DataFetcher cloneable
* Make fetcher object member of deposit and eth1_data cache and other fixes
* Fix update_cache function
* Move fetch_eth1_data to impl block
* Fix deposit tests
* Create Eth1 object for interfacing with Beacon chain
* Add `run` function for running update_cache and subscribe_deposit_logs tasks
* Add logging
* Run `cargo fmt` and make tests pass
* Convert sync functions to async
* Add timeouts to web3 functions
* Return futures from cache functions
* Add failed chaining of futures
* Working cache updation
* Clean up tests and `update_cache` function
* Refactor `get_eth1_data` functions to work with future returning functions
* Refactor eth1 `run` function to work with modified `update_cache` api
* Minor changes
* Add distance parameter to `update_cache`
* Fix tests and other minor fixes
* Working integration with cache and deposits
* Add merkle_tree construction, proof generation and verification code
* Add function to construct and fetch Deposits for BeaconNode
* Add error handling
* Import ssz
* Add error handling to eth1 cache and fix minor errors
* Run rustfmt
* Fix minor bug
* Rename Eth1Error and change to Result<T>
* Change deposit fetching mechanism from notification based to poll based
* Add deposits from eth1 chain in a given range every `x` blocks
* Modify `run` function to accommodate changes
* Minor fixes
* Fix formatting
* Fix merge issue
* Refactor with `Config` struct. Remote `ContractConfig`
* Rename eth1_chain crate to eth1
* Rename files and read abi file using `fs::read`
* Move eth1 to lib
* Remove unnecessary mutability constraint
* Add `Web3Backend` for returning actual eth1 data
* Refactor `get_eth1_votes` to return a Result
* Delete `eth1_chain` crate
* Return `Result` from `get_deposits`
* Fix range of deposits to return to beacon chain
* Add `get_block_height_by_hash` trait function
* Add naive method for getting `previous_eth1_distance`
* Add eth1 config params to main config
* Add instructions for setting up eth1 testing environment
* Add build script to fetch deposit contract abi
* Contract ABI is part of compiled binary
* Fix minor bugs
* Move docs to lib
* Add timeout to config
* Remove print statements
* Change warn to error
* Fix typos
* Removed prints in test and get timeout value from config
* Fixed error types
* Added logging to web3_fetcher
* Refactor for modified web3 api
* Fix minor stuff
* Add build script
* Tidy, hide eth1 integration tests behind flag
* Add http crate
* Add first stages of eth1_test_rig
* Fix deposits on test rig
* Fix bug with deposit count method
* Add block hash getter to http eth1
* Clean eth1 http crate and tests
* Add script to start ganache
* Adds deposit tree to eth1-http
* Extend deposit tree tests
* Tidy tests in eth1-http
* Add more detail to get block request
* Add block cache to eth1-http
* Rename deposit tree to deposit cache
* Add inital updating to eth1-http
* Tidy updater
* Fix compile bugs in tests
* Adds an Eth1DataCache builder
* Reorg eth1-http files
* Add (failing) tests for eth1 updater
* Rename files, fix bug in eth1-http
* Ensure that ganache timestamps are increasing
* Fix bugs with getting eth1data ancestors
* Improve eth1 testing, fix bugs
* Add truncate method to block cache
* Add pruning to block cache update process
* Add tests for block pruning
* Allow for dropping an expired cache.
* Add more comments
* Add first compiling version of deposit updater
* Add common fn for getting range of required blocks
* Add passing deposit update test
* Improve tests
* Fix block pruning bug
* Add tests for running two updates at once
* Add updater services to eth1
* Add deposit collection to beacon chain
* Add incomplete builder experiments
* Add first working version of beacon chain builder
* Update test harness to new beacon chain type
* Rename builder file, tidy
* Add first working client builder
* Progress further on client builder
* Update becaon node binary to use client builder
* Ensure release tests compile
* Remove old eth1 crate
* Add first pass of new lighthouse binary
* Fix websocket server startup
* Remove old binary code from beacon_node crate
* Add first working beacon node tests
* Add genesis crate, new eth1 cache_2
* Add Serivce to Eth1Cache
* Refactor with general eth1 improvements
* Add passing genesis test
* Tidy, add comments
* Add more comments to eth1 service
* Add further eth1 progress
* Fix some bugs with genesis
* Fix eth1 bugs, make eth1 linking more efficient
* Shift logic in genesis service
* Add more comments to genesis service
* Add gzip, max request values, timeouts to http
* Update testnet parameters to suit goerli testnet
* Add ability to vary Fork, fix custom spec
* Be more explicit about deposit fork version
* Start adding beacon chain eth1 option
* Add more flexibility to prod client
* Further runtime refactoring
* Allow for starting from store
* Add bootstrapping to client config
* Add remote_beacon_node crate
* Update eth1 service for more configurability
* Update eth1 tests to use less runtimes
* Patch issues with tests using too many files
* Move dummy eth1 backend flag
* Ensure all tests pass
* Add ganache-cli to Dockerfile
* Use a special docker hub image for testing
* Appease clippy
* Move validator client into lighthouse binary
* Allow starting with dummy eth1 backend
* Improve logging
* Fix dummy eth1 backend from cli
* Add extra testnet command
* Ensure consistent spec in beacon node
* Update eth1 rig to work on goerli
* Tidy lcli, start adding support for yaml config
* Add incomplete YamlConfig struct
* Remove efforts at YamlConfig
* Add incomplete eth1 voting. Blocked on spec issues
* Add (untested) first pass at eth1 vote algo
* Add tests for winning vote
* Add more tests for eth1 chain
* Add more eth1 voting tests
* Added more eth1 voting testing
* Change test name
* Add more tests to eth1 chain
* Tidy eth1 generics, add more tests
* Improve comments
* Tidy beacon_node tests
* Tidy, rename JsonRpc.. to Caching..
* Tidy voting logic
* Tidy builder docs
* Add comments, tidy eth1
* Add more comments to eth1
* Fix bug with winning_vote
* Add doc comments to the `ClientBuilder`
* Remove commented-out code
* Improve `ClientBuilder` docs
* Add comments to client config
* Add decoding test for `ClientConfig`
* Remove unused `DepositSet` struct
* Tidy `block_cache`
* Remove commented out lines
* Remove unused code in `eth1` crate
* Remove old validator binary `main.rs`
* Tidy, fix tests compile error
* Add initial tests for get_deposits
* Remove dead code in eth1_test_rig
* Update TestingDepositBuilder
* Add testing for getting eth1 deposits
* Fix duplicate rand dep
* Remove dead code
* Remove accidentally-added files
* Fix comment in eth1_genesis_service
* Add .gitignore for eth1_test_rig
* Fix bug in eth1_genesis_service
* Remove dead code from eth2_config
* Fix tabs/spaces in root Cargo.toml
* Tidy eth1 crate
* Allow for re-use of eth1 service after genesis
* Update docs for new CLI
* Change README gif
* Tidy eth1 http module
* Tidy eth1 service
* Tidy environment crate
* Remove unused file
* Tidy, add comments
* Remove commented-out code
* Address majority of Michael's comments
* Address other PR comments
* Add link to issue alongside TODO
