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Add more blob and block checks for by range (#13043)

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* Add more blob and block checks for by range

* Update beacon-chain/sync/initial-sync/blocks_fetcher.go

Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>

* Update beacon-chain/sync/initial-sync/blocks_fetcher.go

Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>

* Update beacon-chain/sync/initial-sync/blocks_fetcher_test.go

Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>

---------

Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>
This commit is contained in:
terencechain
2023-10-12 12:35:32 -07:00
committed by GitHub
parent b57effd096
commit 945b087ca9
2 changed files with 19 additions and 0 deletions
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9
beacon-chain/sync/initial-sync/blocks_fetcher.go
View File

@@ -398,6 +398,7 @@ var errMissingBlobsForBlockCommitments = errors.Wrap(errBlobVerification, "blobs
var errMismatchedBlobBlockRoot = errors.Wrap(errBlobVerification, "BlockRoot in BlobSidecar does not match the expected root")
var errMissingBlobIndex = errors.Wrap(errBlobVerification, "missing expected blob index")
var errMismatchedBlobCommitments = errors.Wrap(errBlobVerification, "commitments at given slot, root and index do not match")
var errMismatchedProposerIndex = errors.Wrap(errBlobVerification, "proposer index does not match")
func verifyAndPopulateBlobs(bwb []blocks2.BlockWithVerifiedBlobs, blobs []*p2ppb.BlobSidecar, blobWindowStart primitives.Slot) ([]blocks2.BlockWithVerifiedBlobs, error) {
// Assumes bwb has already been sorted by sortedBlockWithVerifiedBlobSlice.
@@ -437,6 +438,14 @@ func verifyAndPopulateBlobs(bwb []blocks2.BlockWithVerifiedBlobs, blobs []*p2ppb
return nil, errors.Wrapf(errMismatchedBlobBlockRoot,
"block root %#x != BlobSidecar.BlockRoot %#x at slot %d", bb.Block.Root(), bl.BlockRoot, block.Slot())
}
if bytesutil.ToBytes32(bl.BlockParentRoot) != block.ParentRoot() {
return nil, errors.Wrapf(errMismatchedBlobBlockRoot,
"block parent root %#x != BlobSidecar.BlockParentRoot %#x at slot %d", block.ParentRoot(), bl.BlockParentRoot, block.Slot())
}
if bl.ProposerIndex != block.ProposerIndex() {
return nil, errors.Wrapf(errMismatchedProposerIndex,
"block proposer index %d != BlobSidecar.ProposerIndex %d at slot %d", block.ProposerIndex(), bl.ProposerIndex, block.Slot())
}
if ci != int(bl.Index) {
return nil, errors.Wrapf(errMissingBlobIndex,
"did not receive blob index %d for block root %#x at slot %d", ci, bb.Block.Root(), block.Slot())

10
beacon-chain/sync/initial-sync/blocks_fetcher_test.go
View File

@@ -1091,6 +1091,16 @@ func TestVerifyAndPopulateBlobs(t *testing.T) {
_, err = verifyAndPopulateBlobs(bwb, blobs, firstBlockSlot)
require.ErrorIs(t, err, errMissingBlobIndex)
bwb, blobs = testSequenceBlockWithBlob(t, 10)
blobs[lastBlobIdx].ProposerIndex = 100
_, err = verifyAndPopulateBlobs(bwb, blobs, firstBlockSlot)
require.ErrorIs(t, err, errMismatchedProposerIndex)
bwb, blobs = testSequenceBlockWithBlob(t, 10)
blobs[lastBlobIdx].BlockParentRoot = blobs[0].BlockParentRoot
_, err = verifyAndPopulateBlobs(bwb, blobs, firstBlockSlot)
require.ErrorIs(t, err, errMismatchedBlobBlockRoot)
var emptyKzg [48]byte
bwb, blobs = testSequenceBlockWithBlob(t, 10)
blobs[lastBlobIdx].KzgCommitment = emptyKzg[:]