Allow the VC to listen on 0.0.0.0 with a flag #2454
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## Issue Addressed #2454 ## Proposed Changes Adds the `--http-address` flag to allow the user to use custom HTTP addresses. This can be helpful for certain Docker setups. Since using custom HTTP addresses is unsafe due to the server being unencrypted, `--unencrypted-http-transport` was also added as a safety flag and must be used in tandem with `--http-address`. This is to ensure the user is aware of the risks associated with using non-local HTTP addresses.
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commit c5786a8 Author: realbigsean <[email protected]> Date: Sat Jul 31 03:50:52 2021 +0000 Doppelganger detection (sigp#2230) ## Issue Addressed Resolves sigp#2069 ## Proposed Changes - Adds a `--doppelganger-detection` flag - Adds a `lighthouse/seen_validators` endpoint, which will make it so the lighthouse VC is not interopable with other client beacon nodes if the `--doppelganger-detection` flag is used, but hopefully this will become standardized. Relevant Eth2 API repo issue: ethereum/beacon-APIs#64 - If the `--doppelganger-detection` flag is used, the VC will wait until the beacon node is synced, and then wait an additional 2 epochs. The reason for this is to make sure the beacon node is able to subscribe to the subnets our validators should be attesting on. I think an alternative would be to have the beacon node subscribe to all subnets for 2+ epochs on startup by default. ## Additional Info I'd like to add tests and would appreciate feedback. TODO: handle validators started via the API, potentially make this default behavior Co-authored-by: realbigsean <[email protected]> Co-authored-by: Michael Sproul <[email protected]> Co-authored-by: Paul Hauner <[email protected]> commit 834ee98 Author: SaNNNNNNNN <[email protected]> Date: Sat Jul 31 02:24:09 2021 +0000 Fix flag in redundancy docs (sigp#2482) Replace all --process-all-attestations with --import-all-attestations ## Issue Addressed Which issue # does this PR address? ## Proposed Changes Please list or describe the changes introduced by this PR. ## Additional Info Please provide any additional information. For example, future considerations or information useful for reviewers. commit 303deb9 Author: realbigsean <[email protected]> Date: Fri Jul 30 01:11:47 2021 +0000 Rust 1.54.0 lints (sigp#2483) ## Issue Addressed N/A ## Proposed Changes - Removing a bunch of unnecessary references - Updated `Error::VariantError` to `Error::Variant` - There were additional enum variant lints that I ignored, because I thought our variant names were fine - removed `MonitoredValidator`'s `pubkey` field, because I couldn't find it used anywhere. It looks like we just use the string version of the pubkey (the `id` field) if there is no index ## Additional Info Co-authored-by: realbigsean <[email protected]> commit 8efd9fc Author: Paul Hauner <[email protected]> Date: Thu Jul 29 04:38:26 2021 +0000 Add `AttesterCache` for attestation production (sigp#2478) ## Issue Addressed - Resolves sigp#2169 ## Proposed Changes Adds the `AttesterCache` to allow validators to produce attestations for older slots. Presently, some arbitrary restrictions can force validators to receive an error when attesting to a slot earlier than the present one. This can cause attestation misses when there is excessive load on the validator client or time sync issues between the VC and BN. ## Additional Info NA commit 1d4f90e Author: Michael Sproul <[email protected]> Date: Thu Jul 29 02:16:54 2021 +0000 Bump tests to v1.1.0-beta.2 (sigp#2481) ## Proposed Changes Bump spec tests to v1.1.0-beta.2, for conformance with the latest spec release: https://github.com/ethereum/eth2.0-specs/releases/tag/v1.1.0-beta.2 ## Additional Info We already happen to be compatible with the latest spec change that requires sync contributions to have at least one bit set. I'm gonna call it foresight on @realbigsean's part 😎 https://github.com/sigp/lighthouse/blob/6e3ca48cb934a63cafdc940068825a48cba740d1/beacon_node/beacon_chain/src/sync_committee_verification.rs#L285-L288 commit 923486f Author: Michael Sproul <[email protected]> Date: Wed Jul 28 05:40:21 2021 +0000 Use bulk verification for sync_aggregate signature (sigp#2415) ## Proposed Changes Add the `sync_aggregate` from `BeaconBlock` to the bulk signature verifier for blocks. This necessitates a new signature set constructor for the sync aggregate, which is different from the others due to the use of [`eth2_fast_aggregate_verify`](https://github.com/ethereum/eth2.0-specs/blob/v1.1.0-alpha.7/specs/altair/bls.md#eth2_fast_aggregate_verify) for sync aggregates, per [`process_sync_aggregate`](https://github.com/ethereum/eth2.0-specs/blob/v1.1.0-alpha.7/specs/altair/beacon-chain.md#sync-aggregate-processing). I made the choice to return an optional signature set, with `None` representing the case where the signature is valid on account of being the point at infinity (requires no further checking). To "dogfood" the changes and prevent duplication, the consensus logic now uses the signature set approach as well whenever it is required to verify signatures (which should only be in testing AFAIK). The EF tests pass with the code as it exists currently, but failed before I adapted the `eth2_fast_aggregate_verify` changes (which is good). As a result of this change Altair block processing should be a little faster, and importantly, we will no longer accidentally verify signatures when replaying blocks, e.g. when replaying blocks from the database. commit 6e3ca48 Author: Paul Hauner <[email protected]> Date: Tue Jul 27 07:01:01 2021 +0000 Cache participating indices for Altair epoch processing (sigp#2416) ## Issue Addressed NA ## Proposed Changes This PR addresses two things: 1. Allows the `ValidatorMonitor` to work with Altair states. 1. Optimizes `altair::process_epoch` (see [code](https://github.com/paulhauner/lighthouse/blob/participation-cache/consensus/state_processing/src/per_epoch_processing/altair/participation_cache.rs) for description) ## Breaking Changes The breaking changes in this PR revolve around one premise: *After the Altair fork, it's not longer possible (given only a `BeaconState`) to identify if a validator had *any* attestation included during some epoch. The best we can do is see if that validator made the "timely" source/target/head flags.* Whilst this seems annoying, it's not actually too bad. Finalization is based upon "timely target" attestations, so that's really the most important thing. Although there's *some* value in knowing if a validator had *any* attestation included, it's far more important to know about "timely target" participation, since this is what affects finality and justification. For simplicity and consistency, I've also removed the ability to determine if *any* attestation was included from metrics and API endpoints. Now, all Altair and non-Altair states will simply report on the head/target attestations. The following section details where we've removed fields and provides replacement values. ### Breaking Changes: Prometheus Metrics Some participation metrics have been removed and replaced. Some were removed since they are no longer relevant to Altair (e.g., total attesting balance) and others replaced with gwei values instead of pre-computed values. This provides more flexibility at display-time (e.g., Grafana). The following metrics were added as replacements: - `beacon_participation_prev_epoch_head_attesting_gwei_total` - `beacon_participation_prev_epoch_target_attesting_gwei_total` - `beacon_participation_prev_epoch_source_attesting_gwei_total` - `beacon_participation_prev_epoch_active_gwei_total` The following metrics were removed: - `beacon_participation_prev_epoch_attester` - instead use `beacon_participation_prev_epoch_source_attesting_gwei_total / beacon_participation_prev_epoch_active_gwei_total`. - `beacon_participation_prev_epoch_target_attester` - instead use `beacon_participation_prev_epoch_target_attesting_gwei_total / beacon_participation_prev_epoch_active_gwei_total`. - `beacon_participation_prev_epoch_head_attester` - instead use `beacon_participation_prev_epoch_head_attesting_gwei_total / beacon_participation_prev_epoch_active_gwei_total`. The `beacon_participation_prev_epoch_attester` endpoint has been removed. Users should instead use the pre-existing `beacon_participation_prev_epoch_target_attester`. ### Breaking Changes: HTTP API The `/lighthouse/validator_inclusion/{epoch}/{validator_id}` endpoint loses the following fields: - `current_epoch_attesting_gwei` (use `current_epoch_target_attesting_gwei` instead) - `previous_epoch_attesting_gwei` (use `previous_epoch_target_attesting_gwei` instead) The `/lighthouse/validator_inclusion/{epoch}/{validator_id}` endpoint lose the following fields: - `is_current_epoch_attester` (use `is_current_epoch_target_attester` instead) - `is_previous_epoch_attester` (use `is_previous_epoch_target_attester` instead) - `is_active_in_current_epoch` becomes `is_active_unslashed_in_current_epoch`. - `is_active_in_previous_epoch` becomes `is_active_unslashed_in_previous_epoch`. ## Additional Info NA ## TODO - [x] Deal with total balances - [x] Update validator_inclusion API - [ ] Ensure `beacon_participation_prev_epoch_target_attester` and `beacon_participation_prev_epoch_head_attester` work before Altair Co-authored-by: realbigsean <[email protected]> commit f5bdca0 Author: Michael Sproul <[email protected]> Date: Tue Jul 27 05:43:35 2021 +0000 Update to spec v1.1.0-beta.1 (sigp#2460) ## Proposed Changes Update to the latest version of the Altair spec, which includes new tests and a tweak to the target sync aggregators. ## Additional Info This change is _not_ required for the imminent Altair devnet, and is waiting on the merge of sigp#2321 to unstable. Co-authored-by: Paul Hauner <[email protected]> commit 84e6d71 Author: Michael Sproul <[email protected]> Date: Fri Jul 23 00:23:53 2021 +0000 Tree hash caching and optimisations for Altair (sigp#2459) ## Proposed Changes Remove the remaining Altair `FIXME`s from consensus land. 1. Implement tree hash caching for the participation lists. This required some light type manipulation, including removing the `TreeHash` bound from `CachedTreeHash` which was purely descriptive. 2. Plumb the proposer index through Altair attestation processing, to avoid calculating it for _every_ attestation (potentially 128ms on large networks). This duplicates some work from sigp#2431, but with the aim of getting it in sooner, particularly for the Altair devnets. 3. Removes two FIXMEs related to `superstruct` and cloning, which are unlikely to be particularly detrimental and will be tracked here instead: sigp/superstruct#5 commit 74aa99c Author: Michael Sproul <[email protected]> Date: Thu Jul 22 01:37:01 2021 +0000 Document BN API security considerations (sigp#2470) ## Issue Addressed Closes sigp#2468 ## Proposed Changes Document security considerations for the beacon node API, with strong recommendations against exposing it to the internet. commit 63923ea Author: Michael Sproul <[email protected]> Date: Wed Jul 21 07:10:52 2021 +0000 Bump discv5 to v0.1.0-beta.8 (sigp#2471) ## Proposed Changes Update discv5 to fix bugs seen on `altair-devnet-1` commit 17b6d7c Author: Mac L <[email protected]> Date: Wed Jul 21 07:10:51 2021 +0000 Add `http-address` flag to VC (sigp#2467) ## Issue Addressed sigp#2454 ## Proposed Changes Adds the `--http-address` flag to allow the user to use custom HTTP addresses. This can be helpful for certain Docker setups. Since using custom HTTP addresses is unsafe due to the server being unencrypted, `--unencrypted-http-transport` was also added as a safety flag and must be used in tandem with `--http-address`. This is to ensure the user is aware of the risks associated with using non-local HTTP addresses. commit bcf8ba6 Author: realbigsean <[email protected]> Date: Wed Jul 21 03:24:23 2021 +0000 Add lcli Dockerfile and auto-build to CI (sigp#2469) ## Issue Addressed Resolves: sigp#2087 ## Proposed Changes - Add a `Dockerfile` to the `lcli` directory - Add a github actions job to build and push and `lcli` docker image on pushes to `unstable` and `stable` ## Additional Info It's a little awkward but `lcli` requires the full project scope so must be built: - from the `lighthouse` dir with: `docker build -f ./lcli/Dockerflie .` - from the `lcli` dir with: `docker build -f ./Dockerfile ../` Didn't include `libssl-dev` or `ca-certificates`, `lcli` doesn't need these right? Co-authored-by: realbigsean <[email protected]> Co-authored-by: Michael Sproul <[email protected]> Co-authored-by: Michael Sproul <[email protected]> commit 9a8320b Merge: b0f5c4c 08fedbf Author: Age Manning <[email protected]> Date: Thu Jul 15 18:15:07 2021 +1000 Merge pull request sigp#2389 from sigp/network-1.5 Network Updates for 1.5 commit 08fedbf Author: Age Manning <[email protected]> Date: Thu Jul 15 10:53:59 2021 +1000 Libp2p Connection Limit (sigp#2455) * Get libp2p to handle connection limits * fmt commit 6818a94 Author: Age Manning <[email protected]> Date: Wed Jul 14 16:54:44 2021 +1000 Discovery update (sigp#2458) commit 381befb Author: Age Manning <[email protected]> Date: Wed Jul 14 12:59:24 2021 +1000 Ensure disconnecting peers are added to the peerdb (sigp#2451) commit 059d9ec Author: Age Manning <[email protected]> Date: Tue Jul 13 15:37:52 2021 +1000 Gossipsub scoring improvements (sigp#2391) * Tweak gossipsub parameters for improved scoring * Modify gossip history * Update settings * Make mesh window constant * Decrease the mesh message deliveries weight * Fmt commit c62810b Author: Age Manning <[email protected]> Date: Tue Jul 13 14:37:25 2021 +1000 Update to Libp2p to 39.1 (sigp#2448) * Adjust beacon node timeouts for validator client HTTP requests (sigp#2352) Resolves sigp#2313 Provide `BeaconNodeHttpClient` with a dedicated `Timeouts` struct. This will allow granular adjustment of the timeout duration for different calls made from the VC to the BN. These can either be a constant value, or as a ratio of the slot duration. Improve timeout performance by using these adjusted timeout duration's only whenever a fallback endpoint is available. Add a CLI flag called `use-long-timeouts` to revert to the old behavior. Additionally set the default `BeaconNodeHttpClient` timeouts to the be the slot duration of the network, rather than a constant 12 seconds. This will allow it to adjust to different network specifications. Co-authored-by: Paul Hauner <[email protected]> * Use read_recursive locks in database (sigp#2417) Closes sigp#2245 Replace all calls to `RwLock::read` in the `store` crate with `RwLock::read_recursive`. * Unfortunately we can't run the deadlock detector on CI because it's pinned to an old Rust 1.51.0 nightly which cannot compile Lighthouse (one of our deps uses `ptr::addr_of!` which is too new). A fun side-project at some point might be to update the deadlock detector. * The reason I think we haven't seen this deadlock (at all?) in practice is that _writes_ to the database's split point are quite infrequent, and a concurrent write is required to trigger the deadlock. The split point is only written when finalization advances, which is once per epoch (every ~6 minutes), and state reads are also quite sporadic. Perhaps we've just been incredibly lucky, or there's something about the timing of state reads vs database migration that protects us. * I wrote a few small programs to demo the deadlock, and the effectiveness of the `read_recursive` fix: https://github.com/michaelsproul/relock_deadlock_mvp * [The docs for `read_recursive`](https://docs.rs/lock_api/0.4.2/lock_api/struct.RwLock.html#method.read_recursive) warn of starvation for writers. I think in order for starvation to occur the database would have to be spammed with so many state reads that it's unable to ever clear them all and find time for a write, in which case migration of states to the freezer would cease. If an attack could be performed to trigger this starvation then it would likely trigger a deadlock in the current code, and I think ceasing migration is preferable to deadlocking in this extreme situation. In practice neither should occur due to protection from spammy peers at the network layer. Nevertheless, it would be prudent to run this change on the testnet nodes to check that it doesn't cause accidental starvation. * Return more detail when invalid data is found in the DB during startup (sigp#2445) - Resolves sigp#2444 Adds some more detail to the error message returned when the `BeaconChainBuilder` is unable to access or decode block/state objects during startup. NA * Use hardware acceleration for SHA256 (sigp#2426) Modify the SHA256 implementation in `eth2_hashing` so that it switches between `ring` and `sha2` to take advantage of [x86_64 SHA extensions](https://en.wikipedia.org/wiki/Intel_SHA_extensions). The extensions are available on modern Intel and AMD CPUs, and seem to provide a considerable speed-up: on my Ryzen 5950X it dropped state tree hashing times by about 30% from 35ms to 25ms (on Prater). The extensions became available in the `sha2` crate [last year](https://www.reddit.com/r/rust/comments/hf2vcx/ann_rustcryptos_sha1_and_sha2_now_support/), and are not available in Ring, which uses a [pure Rust implementation of sha2](https://github.com/briansmith/ring/blob/main/src/digest/sha2.rs). Ring is faster on CPUs that lack the extensions so I've implemented a runtime switch to use `sha2` only when the extensions are available. The runtime switching seems to impose a miniscule penalty (see the benchmarks linked below). * Start a release checklist (sigp#2270) NA Add a checklist to the release draft created by CI. I know @michaelsproul was also working on this and I suspect @realbigsean also might have useful input. NA * Serious banning * fmt Co-authored-by: Mac L <[email protected]> Co-authored-by: Paul Hauner <[email protected]> Co-authored-by: Michael Sproul <[email protected]> commit 3c0d322 Author: Age Manning <[email protected]> Date: Tue Jul 13 10:48:33 2021 +1000 Global Network Behaviour Refactor (sigp#2442) * Network upgrades (sigp#2345) * Discovery patch (sigp#2382) * Upgrade libp2p and unstable gossip * Network protocol upgrades * Correct dependencies, reduce incoming bucket limit * Clean up dirty DHT entries before repopulating * Update cargo lock * Update lockfile * Update ENR dep * Update deps to specific versions * Update test dependencies * Update docker rust, and remote signer tests * More remote signer test fixes * Temp commit * Update discovery * Remove cached enrs after dialing * Increase the session capacity, for improved efficiency * Bleeding edge discovery (sigp#2435) * Update discovery banning logic and tokio * Update to latest discovery * Shift to latest discovery * Fmt * Initial re-factor of the behaviour * More progress * Missed changes * First draft * Discovery as a behaviour * Adding back event waker (not convinced its neccessary, but have made this many changes already) * Corrections * Speed up discovery * Remove double log * Fmt * After disconnect inform swarm about ban * More fmt * Appease clippy * Improve ban handling * Update tests * Update cargo.lock * Correct tests * Downgrade log commit 6422632 Author: Pawan Dhananjay <[email protected]> Date: Fri Jul 9 08:18:29 2021 +0530 Relax requirement for enr fork digest predicate (sigp#2433) commit c1d2e35 Author: Age Manning <[email protected]> Date: Wed Jul 7 18:18:44 2021 +1000 Bleeding edge discovery (sigp#2435) * Update discovery banning logic and tokio * Update to latest discovery * Shift to latest discovery * Fmt commit f4bc9db Author: Age Manning <[email protected]> Date: Tue Jun 15 14:53:35 2021 +1000 Change the window mode of yamux (sigp#2390) commit 6fb48b4 Author: Age Manning <[email protected]> Date: Tue Jun 15 14:40:43 2021 +1000 Discovery patch (sigp#2382) * Upgrade libp2p and unstable gossip * Network protocol upgrades * Correct dependencies, reduce incoming bucket limit * Clean up dirty DHT entries before repopulating * Update cargo lock * Update lockfile * Update ENR dep * Update deps to specific versions * Update test dependencies * Update docker rust, and remote signer tests * More remote signer test fixes * Temp commit * Update discovery * Remove cached enrs after dialing * Increase the session capacity, for improved efficiency commit 4aa06c9 Author: Age Manning <[email protected]> Date: Thu Jun 3 11:11:33 2021 +1000 Network upgrades (sigp#2345) commit b0f5c4c Author: Paul Hauner <[email protected]> Date: Thu Jul 15 04:22:06 2021 +0000 Clarify eth1 error message (sigp#2461) ## Issue Addressed - Closes sigp#2452 ## Proposed Changes Addresses: sigp#2452 (comment) ## Additional Info NA commit a3a7f39 Author: realbigsean <[email protected]> Date: Thu Jul 15 00:52:02 2021 +0000 [Altair] Sync committee pools (sigp#2321) Add pools supporting sync committees: - naive sync aggregation pool - observed sync contributions pool - observed sync contributors pool - observed sync aggregators pool Add SSZ types and tests related to sync committee signatures. Co-authored-by: Michael Sproul <[email protected]> Co-authored-by: realbigsean <[email protected]> commit 8fa6e46 Author: Michael Sproul <[email protected]> Date: Wed Jul 14 05:24:10 2021 +0000 Update direct libsecp256k1 dependencies (sigp#2456) ## Proposed Changes * Remove direct dependencies on vulnerable `libsecp256k1 0.3.5` * Ignore the RUSTSEC issue until it is resolved in sigp#2389 commit fc4c611 Author: Paul Hauner <[email protected]> Date: Wed Jul 14 05:24:09 2021 +0000 Remove msg about longer sync with remote eth1 nodes (sigp#2453) ## Issue Addressed - Resolves sigp#2452 ## Proposed Changes I've seen a few people confused by this and I don't think the message is really worth it. ## Additional Info NA
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Description
Presently, the VC doesn't accept the
--http-addressfield for this reasoning:lighthouse/validator_client/src/cli.rs
Lines 121 to 128 in 3b600ac
This restriction has showed to be very annoying for Docker setups; you can't access the container from another container, even if you never intend to expose it to the internet. @dapplion raised this most recently.
I propose we make the following changes:
--http-addressflag to the VC.---unencrypted-http-transportflag, and require it to be present if--http-addressis used.P.S., Don't forget to update the VC CLI tests! https://github.com/sigp/lighthouse/blob/stable/lighthouse/tests/validator_client.rs
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