Implement /eth/v1/beacon/blobs endpoint

[chong-he]

Issue Addressed

• Implement getBlobs endpoint #8085

Proposed change

Rename current blob_sidecars endpoint from get_blobs to get_blob_sidecars to "give way" to the new get blobs endpoint. I thought this is the better way to have this new get_blobs endpoint name it this way in the code, but I am happy to change if that's not suitable/confusing

Additional Info

Testing results:

Query with:
curl -X 'GET' 'http://localhost:5052/eth/v1/beacon/blobs/12647385' | jq

Response:

{
  "execution_optimistic": true,
  "finalized": true,
  "data": [
    "blob1"
    "blob2"
    "blob3" 
    "and so on"
  ]
}

Query with versioned_hashes:
curl -X 'GET' \ 'http://localhost:5052/eth/v1/beacon/blobs/12647385?versioned_hashes=0x01171d78b2bd7cf3c3e458f7337f37272bfe6972cdd07b6e12f399a94ff6627c&versioned_hashes=0x011384275182442b69831cc581de3b80fe60b13a8efd870f8b680422087b960e' \ -H 'accept: application/json' | jq

Response:

{
  "execution_optimistic": true,
  "finalized": true,
  "data": [
      "blob1"
      "blob2"
  ]
}

[jimmygchen]

Hey CK, thanks for the PR. I've added my thoughts, let me know what you think and if you have any questions!

[jimmygchen]

btw very thorough with the spec compliance, i think the impl great in terms of correctness, and thanks for the test outputs. Nice work 👍

[jimmygchen]

Bumping this to v8 mainnet release

[jimmygchen]

Looks great now, thanks @chong-he !

[mergify]

This pull request has been removed from the queue for the following reason: checks failed.

The merge conditions cannot be satisfied due to failing checks:

• ☑️ test-suite-success

You can check the last failing draft PR here: #8173.

You may have to fix your CI before adding the pull request to the queue again.
If you update this pull request, to fix the CI, it will automatically be requeued once the queue conditions match again.
If you think this was a flaky issue instead, you can requeue the pull request, without updating it, by posting a @mergifyio requeue comment.

[michaelsproul]

@mergify requeue

[mergify]

requeue

✅ The queue state of this pull request has been cleaned. It can be re-embarked automatically