Verify roblobs (#13245)

* scaffolding for verification package

* WIP blob verification methods

* lock wrapper for safer forkchoice sharing

* more solid cache and verification designs; adding tests

* more test coverage, adding missing cache files

* clearer func name

* remove forkchoice borrower (it's in another PR)

* revert temporary interface experiment

* lint

* nishant feedback

* add comments with spec text to all verifications

* some comments on public methods

* invert confusing verification name

* deep source

* remove cache from ProposerCache + gaz

* more consistently early return on error paths

* messed up the test with the wrong config value

* terence naming feedback

* tests on BeginsAt

* lint

* deep source...

* name errors after failure, not expectation

* deep sooource

* check len()==0 instead of nil so empty lists work

* update test for EIP-7044

---------

Co-authored-by: Kasey Kirkham <kasey@users.noreply.github.com>

runtime/logging/blob.go

@@ -11,10 +11,11 @@ import (
 // which can be passed to log.WithFields.
 func BlobFields(blob blocks.ROBlob) logrus.Fields {
 	return logrus.Fields{
-		"slot":          blob.Slot(),
-		"proposerIndex": blob.ProposerIndex(),
-		"blockRoot":     fmt.Sprintf("%#x", blob.BlockRoot()),
-		"kzgCommitment": fmt.Sprintf("%#x", blob.KzgCommitment),
-		"index":         blob.Index,
+		"slot":           blob.Slot(),
+		"proposer_index": blob.ProposerIndex(),
+		"block_root":     fmt.Sprintf("%#x", blob.BlockRoot()),
+		"parent_root":    fmt.Sprintf("%#x", blob.ParentRoot()),
+		"kzg_commitment": fmt.Sprintf("%#x", blob.KzgCommitment),
+		"index":          blob.Index,
 	}
 }