Commit Graph

39 Commits

Author SHA1 Message Date
João Oliveira
dcd69dfc62 Move dependencies to workspace (#4650)
## Issue Addressed

Synchronize dependencies and edition on the workspace `Cargo.toml`

## Proposed Changes

with https://github.com/rust-lang/cargo/issues/8415 merged it's now possible to synchronize details on the workspace `Cargo.toml` like the metadata and dependencies.
By only having dependencies that are shared between multiple crates aligned on the workspace `Cargo.toml` it's easier to not miss duplicate versions of the same dependency and therefore ease on the compile times.

## Additional Info
this PR also removes the no longer required direct dependency of the `serde_derive` crate.

should be reviewed after https://github.com/sigp/lighthouse/pull/4639 get's merged.
closes https://github.com/sigp/lighthouse/issues/4651


Co-authored-by: Michael Sproul <michael@sigmaprime.io>
Co-authored-by: Michael Sproul <micsproul@gmail.com>
2023-09-22 04:30:56 +00:00
Age Manning
e4ed317b76 Add Experimental QUIC support (#4577)
## Issue Addressed

#4402 

## Proposed Changes

This PR adds QUIC support to Lighthouse. As this is not officially spec'd this will only work between lighthouse <-> lighthouse connections. We attempt a QUIC connection (if the node advertises it) and if it fails we fallback to TCP. 

This should be a backwards compatible modification. We want to test this functionality on live networks to observe any improvements in bandwidth/latency.

NOTE: This also removes the websockets transport as I believe no one is really using it. It should be mentioned in our release however.


Co-authored-by: João Oliveira <hello@jxs.pt>
2023-09-15 03:07:24 +00:00
Pawan Dhananjay
ea43b6a53c Revive mplex (#4619)
## Issue Addressed

N/A

## Proposed Changes

In #4431 , we seem to have removed support for mplex as it is being deprecated in libp2p. See https://github.com/libp2p/specs/issues/553 . Related rust-libp2p PR https://github.com/libp2p/rust-libp2p/pull/3920
However, since this isn't part of the official [consensus specs](https://github.com/ethereum/consensus-specs/blob/dev/specs/phase0/p2p-interface.md#multiplexing), we still need to support mplex. 

> Clients MUST support [mplex](https://github.com/libp2p/specs/tree/master/mplex) and MAY support [yamux](https://github.com/hashicorp/yamux/blob/master/spec.md).

This PR adds back mplex support as before.
2023-08-24 05:54:37 +00:00
Divma
ff9b09d964 upgrade to libp2p 0.52 (#4431)
## Issue Addressed

Upgrade libp2p to v0.52

## Proposed Changes
- **Workflows**: remove installation of `protoc`
- **Book**: remove installation of `protoc`
- **`Dockerfile`s and `cross`**: remove custom base `Dockerfile` for cross since it's no longer needed. Remove `protoc` from remaining `Dockerfiles`s
- **Upgrade `discv5` to `v0.3.1`:** we have some cool stuff in there: no longer needs `protoc` and faster ip updates on cold start
- **Upgrade `prometheus` to `0.21.0`**, now it no longer needs encoding checks
- **things that look like refactors:** bunch of api types were renamed and need to be accessed in a different (clearer) way
- **Lighthouse network**
	- connection limits is now a behaviour
	- banned peers no longer exist on the swarm level, but at the behaviour level
	- `connection_event_buffer_size` now is handled per connection with a buffer size of 4
	- `mplex` is deprecated and was removed
	- rpc handler now logs the peer to which it belongs

## Additional Info

Tried to keep as much behaviour unchanged as possible. However, there is a great deal of improvements we can do _after_ this upgrade:
- Smart connection limits: Connection limits have been checked only based on numbers, we can now use information about the incoming peer to decide if we want it
- More powerful peer management: Dial attempts from other behaviours can be rejected early
- Incoming connections can be rejected early
- Banning can be returned exclusively to the peer management: We should not get connections to banned peers anymore making use of this
- TCP Nat updates: We might be able to take advantage of confirmed external addresses to check out tcp ports/ips


Co-authored-by: Age Manning <Age@AgeManning.com>
Co-authored-by: Akihito Nakano <sora.akatsuki@gmail.com>
2023-08-02 00:59:34 +00:00
Pawan Dhananjay
448d3ec9b3 Aggregate subsets (#3493)
## Issue Addressed

Resolves #3238 

## 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.
2023-06-27 01:06:49 +00:00
Divma
2639e67e90 Update discv5 to expand ipv6 support (#4319)
Done in different PRs so that they can reviewed independently, as it's likely this won't be merged before I leave

Includes resolution for #4080 
- [ ] #4299
- [ ] #4318
- [ ] #4320 

Co-authored-by: Diva M <divma@protonmail.com>
Co-authored-by: Age Manning <Age@AgeManning.com>
2023-06-13 01:25:05 +00:00
Michael Sproul
c11638c36c Split common crates out into their own repos (#3890)
## Proposed Changes

Split out several crates which now exist in separate repos under `sigp`.

- [`ssz` and `ssz_derive`](https://github.com/sigp/ethereum_ssz)
- [`tree_hash` and `tree_hash_derive`](https://github.com/sigp/tree_hash)
- [`ethereum_hashing`](https://github.com/sigp/ethereum_hashing)
- [`ethereum_serde_utils`](https://github.com/sigp/ethereum_serde_utils)
- [`ssz_types`](https://github.com/sigp/ssz_types)

For the published crates see: https://crates.io/teams/github:sigp:crates-io?sort=recent-updates.

## Additional Info

- [x] Need to work out how to handle versioning. I was hoping to do 1.0 versions of several crates, but if they depend on `ethereum-types 0.x` that is not going to work. EDIT: decided to go with 0.5.x versions.
- [x] Need to port several changes from `tree-states`, `capella`, `eip4844` branches to the external repos.
2023-04-28 01:15:40 +00:00
Age Manning
76a2007b64 Improve Lighthouse Connectivity Via ENR TCP Update (#4057)
Currently Lighthouse will remain uncontactable if users port forward a port that is not the same as the one they are listening on. 

For example, if Lighthouse runs with port 9000 TCP/UDP locally but a router is configured to pass 9010 externally to the lighthouse node on 9000, other nodes on the network will not be able to reach the lighthouse node. 

This occurs because Lighthouse does not update its ENR TCP port on external socket discovery. The intention was always that users should use `--enr-tcp-port` to customise this, but this is non-intuitive. 

The difficulty arises because we have no discovery mechanism to find our external TCP port. If we discovery a new external UDP port, we must guess what our external TCP port might be. This PR assumes the external TCP port is the same as the external UDP port (which may not be the case) and thus updates the TCP port along with the UDP port if the `--enr-tcp-port` flag is not set. 

Along with this PR, will be added documentation to the Lighthouse book so users can correctly understand and configure their ENR to maximize Lighthouse's connectivity. 

This relies on https://github.com/sigp/discv5/pull/166 and we should wait for a new release in discv5 before adding this PR.
2023-03-21 05:14:57 +00:00
Age Manning
3d99ce25f8 Correct a race condition when dialing peers (#4056)
There is a race condition which occurs when multiple discovery queries return at almost the exact same time and they independently contain a useful peer we would like to connect to.

The condition can occur that we can add the same peer to the dial queue, before we get a chance to process the queue. 
This ends up displaying an error to the user: 
```
ERRO Dialing an already dialing peer
```
Although this error is harmless it's not ideal. 

There are two solutions to resolving this:
1. As we decide to dial the peer, we change the state in the peer-db to dialing (before we add it to the queue) which would prevent other requests from adding to the queue. 
2. We prevent duplicates in the dial queue

This PR has opted for 2. because 1. will complicate the code in that we are changing states in non-intuitive places. Although this technically adds a very slight performance cost, its probably a cleaner solution as we can keep the state-changing logic in one place.
2023-03-16 05:44:54 +00:00
Michael Sproul
066c27750a
Merge remote-tracking branch 'origin/staging' into capella-update 2023-02-17 12:05:36 +11:00
Age Manning
8dd9249177 Enforce a timeout on peer disconnect (#3757)
On heavily crowded networks, we are seeing many attempted connections to our node every second. 

Often these connections come from peers that have just been disconnected. This can be for a number of reasons including: 
- We have deemed them to be not as useful as other peers
- They have performed poorly
- They have dropped the connection with us
- The connection was spontaneously lost
- They were randomly removed because we have too many peers

In all of these cases, if we have reached or exceeded our target peer limit, there is no desire to accept new connections immediately after the disconnect from these peers. In fact, it often costs us resources to handle the established connections and defeats some of the logic of dropping them in the first place. 

This PR adds a timeout, that prevents recently disconnected peers from reconnecting to us.

Technically we implement a ban at the swarm layer to prevent immediate re connections for at least 10 minutes. I decided to keep this light, and use a time-based LRUCache which only gets updated during the peer manager heartbeat to prevent added stress of polling a delay map for what could be a large number of peers.

This cache is bounded in time. An extra space bound could be added should people consider this a risk.

Co-authored-by: Diva M <divma@protonmail.com>
2023-02-14 03:25:42 +00:00
Michael Sproul
2af8110529
Merge remote-tracking branch 'origin/unstable' into capella
Fixing the conflicts involved patching up some of the `block_hash` verification,
the rest will be done as part of https://github.com/sigp/lighthouse/issues/3870
2023-01-12 16:22:00 +11:00
Age Manning
1d9a2022b4 Upgrade to libp2p v0.50.0 (#3764)
I've needed to do this work in order to do some episub testing. 

This version of libp2p has not yet been released, so this is left as a draft for when we wish to update.

Co-authored-by: Diva M <divma@protonmail.com>
2023-01-06 15:59:33 +00:00
realbigsean
8656d23327
merge with unstable 2022-11-01 13:18:00 -04:00
Pawan Dhananjay
29f2ec46d3
Couple blocks and blobs in gossip (#3670)
* Revert "Add more gossip verification conditions"

This reverts commit 1430b561c3.

* Revert "Add todos"

This reverts commit 91efb9d4c7.

* Revert "Reprocess blob sidecar messages"

This reverts commit 21bf3d37cd.

* Add the coupled topic

* Decode SignedBeaconBlockAndBlobsSidecar correctly

* Process Block and Blobs in beacon processor

* Remove extra blob publishing logic from vc

* Remove blob signing in vc

* Ugly hack to compile
2022-11-01 10:28:21 -04:00
Divma
46fbf5b98b Update discv5 (#3171)
## Issue Addressed

Updates discv5

Pending on
- [x] #3547 
- [x] Alex upgrades his deps

## Proposed Changes

updates discv5 and the enr crate. The only relevant change would be some clear indications of ipv4 usage in lighthouse

## Additional Info

Functionally, this should be equivalent to the prev version.
As draft pending a discv5 release
2022-10-28 05:40:06 +00:00
Divma
b1d2510d1b Libp2p v0.48.0 upgrade (#3547)
## Issue Addressed

Upgrades libp2p to v.0.47.0. This is the compilation of
- [x] #3495 
- [x] #3497 
- [x] #3491 
- [x] #3546 
- [x] #3553 

Co-authored-by: Age Manning <Age@AgeManning.com>
2022-09-29 01:50:11 +00:00
Divma
473abc14ca Subscribe to subnets only when needed (#3419)
## Issue Addressed

We currently subscribe to attestation subnets as soon as the subscription arrives (one epoch in advance), this makes it so that subscriptions for future slots are scheduled instead of done immediately. 

## Proposed Changes

- Schedule subscriptions to subnets for future slots.
- Finish removing hashmap_delay, in favor of [delay_map](https://github.com/AgeManning/delay_map). This was the only remaining service to do this.
- Subscriptions for past slots are rejected, before we would subscribe for one slot.
- Add a new test for subscriptions that are not consecutive.

## Additional Info

This is also an effort in making the code easier to understand
2022-09-05 00:22:48 +00:00
Akihito Nakano
082ed35bdc Test the pruning of excess peers using randomly generated input (#3248)
## Issue Addressed

https://github.com/sigp/lighthouse/issues/3092


## Proposed Changes

Added property-based tests for the pruning implementation. A randomly generated input for the test contains connection direction, subnets, and scores.


## Additional Info

I left some comments on this PR, what I have tried, and [a question](https://github.com/sigp/lighthouse/pull/3248#discussion_r891981969).

Co-authored-by: Diva M <divma@protonmail.com>
2022-06-25 22:22:34 +00:00
Divma
56b4cd88ca minor libp2p upgrade (#3259)
## Issue Addressed

Upgrades libp2p
2022-06-09 23:48:51 +00:00
Divma
58e223e429 update libp2p (#3233)
## Issue Addressed
na

## Proposed Changes
Updates libp2p to https://github.com/libp2p/rust-libp2p/pull/2662

## Additional Info
From comments on the relevant PRs listed, we should pay attention at peer management consistency, but I don't think anything weird will happen.
This is running in prater tok and sin
2022-06-07 02:35:55 +00:00
Michael Sproul
bcdd960ab1 Separate execution payloads in the DB (#3157)
## 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>
2022-05-12 00:42:17 +00:00
Michael Sproul
4d0122444b Update and consolidate dependencies (#3136)
## Proposed Changes

I did some gardening 🌳 in our dependency tree:

- Remove duplicate versions of `warp` (git vs patch)
- Remove duplicate versions of lots of small deps: `cpufeatures`, `ethabi`, `ethereum-types`, `bitvec`, `nix`, `libsecp256k1`.
- Update MDBX (should resolve #3028). I tested and Lighthouse compiles on Windows 11 now.
- Restore `psutil` back to upstream
- Make some progress updating everything to rand 0.8. There are a few crates stuck on 0.7.

Hopefully this puts us on a better footing for future `cargo audit` issues, and improves compile times slightly.

## Additional Info

Some crates are held back by issues with `zeroize`. libp2p-noise depends on [`chacha20poly1305`](https://crates.io/crates/chacha20poly1305) which depends on zeroize < v1.5, and we can only have one version of zeroize because it's post 1.0 (see https://github.com/rust-lang/cargo/issues/6584). The latest version of `zeroize` is v1.5.4, which is used by the new versions of many other crates (e.g. `num-bigint-dig`). Once a new version of chacha20poly1305 is released we can update libp2p-noise and upgrade everything to the latest `zeroize` version.

I've also opened a PR to `blst` related to zeroize: https://github.com/supranational/blst/pull/111
2022-04-04 00:26:16 +00:00
Michael Sproul
41e7a07c51 Add lighthouse db command (#3129)
## Proposed Changes

Add a `lighthouse db` command with three initial subcommands:

- `lighthouse db version`: print the database schema version.
- `lighthouse db migrate --to N`: manually upgrade (or downgrade!) the database to a different version.
- `lighthouse db inspect --column C`: log the key and size in bytes of every value in a given `DBColumn`.

This PR lays the groundwork for other changes, namely:

- Mark's fast-deposit sync (https://github.com/sigp/lighthouse/pull/2915), for which I think we should implement a database downgrade (from v9 to v8).
- My `tree-states` work, which already implements a downgrade (v10 to v8).
- Standalone purge commands like `lighthouse db purge-dht` per https://github.com/sigp/lighthouse/issues/2824.

## Additional Info

I updated the `strum` crate to 0.24.0, which necessitated some changes in the network code to remove calls to deprecated methods.

Thanks to @winksaville for the motivation, and implementation work that I used as a source of inspiration (https://github.com/sigp/lighthouse/pull/2685).
2022-04-01 00:58:59 +00:00
realbigsean
ea783360d3 Kiln mev boost (#3062)
## Issue Addressed

MEV boost compatibility

## Proposed Changes

See #2987

## Additional Info

This is blocked on the stabilization of a couple specs, [here](https://github.com/ethereum/beacon-APIs/pull/194) and [here](https://github.com/flashbots/mev-boost/pull/20).

Additional TODO's and outstanding questions

- [ ] MEV boost JWT Auth
- [ ] Will `builder_proposeBlindedBlock` return the revealed payload for the BN to propogate
- [ ] Should we remove `private-tx-proposals` flag and communicate BN <> VC with blinded blocks by default once these endpoints enter the beacon-API's repo? This simplifies merge transition logic. 

Co-authored-by: realbigsean <seananderson33@gmail.com>
Co-authored-by: realbigsean <sean@sigmaprime.io>
2022-03-31 07:52:23 +00:00
Divma
527dfa4893 cargo audit updates (#3063)
## Issue Addressed
Closes #3008 and updates `regex` to solve https://rustsec.org/advisories/RUSTSEC-2022-0013
2022-03-08 19:48:12 +00:00
Age Manning
e88b18be09 Update libp2p (#3039)
Update libp2p. 

This corrects some gossipsub metrics.
2022-03-02 05:09:52 +00:00
Michael Sproul
5e1f8a8480 Update to Rust 1.59 and 2021 edition (#3038)
## Proposed Changes

Lots of lint updates related to `flat_map`, `unwrap_or_else` and string patterns. I did a little more creative refactoring in the op pool, but otherwise followed Clippy's suggestions.

## Additional Info

We need this PR to unblock CI.
2022-02-25 00:10:17 +00:00
Paul Hauner
0a6a8ea3b0 Engine API v1.0.0.alpha.6 + interop tests (#3024)
## Issue Addressed

NA

## Proposed Changes

This PR extends #3018 to address my review comments there and add automated integration tests with Geth (and other implementations, in the future).

I've also de-duplicated the "unused port" logic by creating an  `common/unused_port` crate.

## Additional Info

I'm not sure if we want to merge this PR, or update #3018 and merge that. I don't mind, I'm primarily opening this PR to make sure CI works.


Co-authored-by: Mark Mackey <mark@sigmaprime.io>
2022-02-17 21:47:06 +00:00
Divma
1306b2db96 libp2p upgrade + gossipsub interval fix (#3012)
## Issue Addressed
Lighthouse gossiping late messages

## Proposed Changes
Point LH to our fork using tokio interval, which 1) works as expected 2) is more performant than the previous version that actually worked as expected
Upgrade libp2p 

## Additional Info
https://github.com/libp2p/rust-libp2p/issues/2497
2022-02-10 04:12:03 +00:00
Divma
48b7c8685b upgrade libp2p (#2933)
## Issue Addressed

Upgrades libp2p to v.0.42.0 pre release (https://github.com/libp2p/rust-libp2p/pull/2440)
2022-02-07 23:25:03 +00:00
Michael Sproul
fac117667b Update to superstruct v0.4.1 (#2886)
## Proposed Changes

Update `superstruct` to bring in @realbigsean's fixes necessary for MEV-compatible private beacon block types (a la #2795).

The refactoring is due to another change in superstruct that allows partial getters to be auto-generated.
2022-01-06 03:14:58 +00:00
Age Manning
81c667b58e Additional networking metrics (#2549)
Adds additional metrics for network monitoring and evaluation.


Co-authored-by: Mark Mackey <mark@sigmaprime.io>
2021-12-22 06:17:14 +00:00
Divma
56d596ee42 Unban peers at the swarm level when purged (#2855)
## Issue Addressed
#2840
2021-12-20 23:45:21 +00:00
realbigsean
b22ac95d7f v1.1.6 Fork Choice changes (#2822)
## Issue Addressed

Resolves: https://github.com/sigp/lighthouse/issues/2741
Includes: https://github.com/sigp/lighthouse/pull/2853 so that we can get ssz static tests passing here on v1.1.6. If we want to merge that first, we can make this diff slightly smaller

## Proposed Changes

- Changes the `justified_epoch` and `finalized_epoch` in the `ProtoArrayNode` each to an `Option<Checkpoint>`. The `Option` is necessary only for the migration, so not ideal. But does allow us to add a default logic to `None` on these fields during the database migration.
- Adds a database migration from a legacy fork choice struct to the new one, search for all necessary block roots in fork choice by iterating through blocks in the db.
- updates related to https://github.com/ethereum/consensus-specs/pull/2727
  -  We will have to update the persisted forkchoice to make sure the justified checkpoint stored is correct according to the updated fork choice logic. This boils down to setting the forkchoice store's justified checkpoint to the justified checkpoint of the block that advanced the finalized checkpoint to the current one. 
  - AFAICT there's no migration steps necessary for the update to allow applying attestations from prior blocks, but would appreciate confirmation on that
- I updated the consensus spec tests to v1.1.6 here, but they will fail until we also implement the proposer score boost updates. I confirmed that the previously failing scenario `new_finalized_slot_is_justified_checkpoint_ancestor` will now pass after the boost updates, but haven't confirmed _all_ tests will pass because I just quickly stubbed out the proposer boost test scenario formatting.
- This PR now also includes proposer boosting https://github.com/ethereum/consensus-specs/pull/2730

## Additional Info
I realized checking justified and finalized roots in fork choice makes it more likely that we trigger this bug: https://github.com/ethereum/consensus-specs/pull/2727

It's possible the combination of justified checkpoint and finalized checkpoint in the forkchoice store is different from in any block in fork choice. So when trying to startup our store's justified checkpoint seems invalid to the rest of fork choice (but it should be valid). When this happens we get an `InvalidBestNode` error and fail to start up. So I'm including that bugfix in this branch.

Todo:

- [x] Fix fork choice tests
- [x] Self review
- [x] Add fix for https://github.com/ethereum/consensus-specs/pull/2727
- [x] Rebase onto Kintusgi 
- [x] Fix `num_active_validators` calculation as @michaelsproul pointed out
- [x] Clean up db migrations

Co-authored-by: realbigsean <seananderson33@gmail.com>
2021-12-13 20:43:22 +00:00
Paul Hauner
82a81524e3
Bump crate versions (#2829) 2021-12-02 14:29:57 +11:00
Age Manning
e519af9012 Update Lighthouse Dependencies (#2818)
## Issue Addressed

Updates lighthouse dependencies to resolve audit issues in out-dated deps.
2021-11-18 05:08:42 +00:00
Age Manning
1790010260 Upgrade to latest libp2p (#2605)
This is a pre-cursor to the next libp2p upgrade. 

It is currently being used for staging a number of PR upgrades which are contingent on the latest libp2p.
2021-10-29 01:59:29 +00:00
Age Manning
df40700ddd Rename eth2_libp2p to lighthouse_network (#2702)
## Description

The `eth2_libp2p` crate was originally named and designed to incorporate a simple libp2p integration into lighthouse. Since its origins the crates purpose has expanded dramatically. It now houses a lot more sophistication that is specific to lighthouse and no longer just a libp2p integration. 

As of this writing it currently houses the following high-level lighthouse-specific logic:
- Lighthouse's implementation of the eth2 RPC protocol and specific encodings/decodings
- Integration and handling of ENRs with respect to libp2p and eth2
- Lighthouse's discovery logic, its integration with discv5 and logic about searching and handling peers. 
- Lighthouse's peer manager - This is a large module handling various aspects of Lighthouse's network, such as peer scoring, handling pings and metadata, connection maintenance and recording, etc.
- Lighthouse's peer database - This is a collection of information stored for each individual peer which is specific to lighthouse. We store connection state, sync state, last seen ips and scores etc. The data stored for each peer is designed for various elements of the lighthouse code base such as syncing and the http api.
- Gossipsub scoring - This stores a collection of gossipsub 1.1 scoring mechanisms that are continuously analyssed and updated based on the ethereum 2 networks and how Lighthouse performs on these networks.
- Lighthouse specific types for managing gossipsub topics, sync status and ENR fields
- Lighthouse's network HTTP API metrics - A collection of metrics for lighthouse network monitoring
- Lighthouse's custom configuration of all networking protocols, RPC, gossipsub, discovery, identify and libp2p. 

Therefore it makes sense to rename the crate to be more akin to its current purposes, simply that it manages the majority of Lighthouse's network stack. This PR renames this crate to `lighthouse_network`

Co-authored-by: Paul Hauner <paul@paulhauner.com>
2021-10-19 00:30:39 +00:00