Lion - dapplion

## Issue Addressed Part of - https://github.com/sigp/lighthouse/issues/5399 ## Proposed Changes Implements MaxEB core feature = everything except features below. ### `is_aggregator` The most tricky bit of the change is making...

- Branch https://github.com/ChainSafe/lodestar/pull/4774 supersedes https://github.com/dgcoffman/lodestar/pull/1

Cache Service Url not found, unable to restore cache

5

Using the `cache` package identically as the `actions/cache@v2` action it breaks with ``` Error: getCacheEntry failed: Cache Service Url not found, unable to restore cache. at /home/runner/work/benchmark/benchmark/node_modules/@actions/cache/src/internal/requestUtils.ts:92:9 at Generator.next ()...

Add release version to oapi file

1

Here https://github.com/ethereum/builder-specs/blob/b66471c67f24b6c29a3e5461720c8620310815c6/builder-oapi.yaml#L22 Either at release time or in master should indicate the release version

If ENR is invalid, add ENR text to error message to be able to debug Also, in `addEnr`, throw on invalid invalid ENR instead of swallowing the error.

Added in https://github.com/ChainSafe/discv5/pull/208/commits/c9d98ec28124984b931243f65844883ffb79984b https://github.com/ChainSafe/discv5/blob/c9d98ec28124984b931243f65844883ffb79984b/src/keypair/index.ts#L56-L58

Prevent too many IPs from the same subnet to fill buckets or tables. See as reference https://github.com/sigp/discv5/blob/9009ad99b915ff973f61cd5bad8a486c4ea2ea2a/src/kbucket/filter.rs#L33

In merge-interop, discv5 received 60_000 unique ENRs and found exactly 0 relevant peers. However, Nimbus tool with a single findNode request to the same bootnode finds 5-10 peers. Something is...

Update ENR on IP change

5

**Describe the bug** We don't update the local ENR IP when it changes during node's execution. **Expected behavior** Some component should monitor the node's public IP and update the ENR...

It would be nice that the app layer can communicate discv5 to consider some peers for some time. Check Lighthouse as impl reference https://github.com/sigp/lighthouse/blob/e4b62139d7e2d5b0499648663af8de25b368f0bd/beacon_node/eth2_libp2p/src/discovery/mod.rs#L492