Nico Flaig

refactor: reuse command types/utils across packages

2

**Motivation** Noticed we copy-pasted command types/utils in different packages but we only really maintain the ones in the CLI package. - https://github.com/ChainSafe/lodestar/pull/4576 - https://github.com/ChainSafe/lodestar/pull/6438 This PR aims to consolidate types...

chore: add eslint rule to prevent unused expressions

2

**Motivation** Closes https://github.com/ChainSafe/lodestar/issues/5505 **Description** Add eslint rule to prevent unused expressions

Lint and fix unused expressions

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Need track of unused expressions to clean up the code and avoid potential bugs. For example this was missed due to missing lint rule. The assertion error has never been...

Increased attester duties response times since Deneb

1

### Describe the bug From Holesky validator client metrics, the `getAttesterDuties` response time has gotten a lot more spiky since Deneb  There might also be a slight increase in...

CodeError: Handler already registered for protocol

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### Describe the bug On my Lodestar v1.14.0-rc.1 node I am also seeing a bunch of snappy errors ``` Jan-17 06:32:00.009[network] error: Error on ReqResp.registerProtocol protocolID=/eth2/beacon_chain/req/ping/1/ssz_snappy - Handler already registered...

After reviewing the spec values I noticed we are still missing plenty of network values which should be part of the config ([configs/mainnet.yaml#L113-L150](https://github.com/ethereum/consensus-specs/blob/3727a757450feb6110e2d4e403604572a478343d/configs/mainnet.yaml#L113-L150)). We either don't support them or those...

Fork version used to verify sync aggregate in LC update

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From reviewing the spec, I noticed that is states that `sync_aggregate` fork might be different and is based on `signature_slot` [specs/altair/light-client/p2p-interface.md?plain=1#L245](https://github.com/ethereum/consensus-specs/blob/3727a757450feb6110e2d4e403604572a478343d/specs/altair/light-client/p2p-interface.md?plain=1#L245) > A `ForkDigest`-context based on `compute_fork_version(compute_epoch_at_slot(optimistic_update.attested_header.beacon.slot))` is used to...

Libp2p max listeners warning

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### Describe the bug After recent libp2p upgrade (https://github.com/ChainSafe/lodestar/pull/6285) I am seeing the following error (with `--trace-warnings` enabled) ``` (node:206518) MaxListenersExceededWarning: Possible EventTarget memory leak detected. 11 abort listeners added...

eth1 chain cache timeout error on startup

1

### Describe the bug There are quite frequent eth1 chain cache timeout errors on startup ``` Sep-02 20:36:05.274[eth1] error: Error updating eth1 chain cache Timeout request Error: Timeout request at...

### Describe the bug We have this function `handleAttesterDutiesReorg` which is mostly called when head (`onNewHead`) is updated - and dependent root for next epoch changed - or dependent root...