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Fix Blob Reconstruction (#14909)

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* Fix Mutating Blob Mask

* Changelog

* Typo
This commit is contained in:
Nishant Das
2025-02-11 21:44:00 +08:00
committed by GitHub
parent 26d35474e9
commit 4b43f13e65
3 changed files with 40 additions and 17 deletions
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25
beacon-chain/execution/engine_client_test.go
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@@ -2455,6 +2455,25 @@ func TestReconstructBlobSidecars(t *testing.T) {
require.NoError(t, err)
require.Equal(t, 3, len(verifiedBlobs))
})
t.Run("recovered 3 missing blobs with mutated blob mask", func(t *testing.T) {
exists := []bool{true, false, true, false, true, false}
hi := mockSummary(t, exists)
srv := createBlobServer(t, 3, func() {
// Mutate blob mask
exists[1] = true
exists[3] = true
})
defer srv.Close()
rpcClient, client := setupRpcClient(t, srv.URL, client)
defer rpcClient.Close()
verifiedBlobs, err := client.ReconstructBlobSidecars(ctx, sb, r, hi)
require.NoError(t, err)
require.Equal(t, 3, len(verifiedBlobs))
})
}
func createRandomKzgCommitments(t *testing.T, num int) [][]byte {
@@ -2467,12 +2486,16 @@ func createRandomKzgCommitments(t *testing.T, num int) [][]byte {
return kzgCommitments
}
func createBlobServer(t *testing.T, numBlobs int) *httptest.Server {
func createBlobServer(t *testing.T, numBlobs int, callbackFuncs ...func()) *httptest.Server {
return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
defer func() {
require.NoError(t, r.Body.Close())
}()
// Execute callback functions for each request.
for _, f := range callbackFuncs {
f()
}
blobs := make([]pb.BlobAndProofJson, numBlobs)
for i := range blobs {