update encoded blob size accounting

core/data.go

@@ -157,10 +157,10 @@ type BlobMessage struct {
 	Bundles    Bundles
 }
 
-func (b Bundle) Size() int64 {
-	size := int64(0)
+func (b Bundle) Size() uint64 {
+	size := uint64(0)
 	for _, chunk := range b {
-		size += int64(chunk.Size())
+		size += chunk.Size()
 	}
 	return size
 }
@@ -181,8 +181,8 @@ func (cb Bundles) Serialize() (map[uint32][][]byte, error) {
 }
 
 // Returns the size of the bundles in bytes.
-func (cb Bundles) Size() int64 {
-	size := int64(0)
+func (cb Bundles) Size() uint64 {
+	size := uint64(0)
 	for _, bundle := range cb {
 		size += bundle.Size()
 	}

disperser/batcher/batcher_test.go

@@ -213,7 +213,7 @@ func TestBatcherIterations(t *testing.T) {
 	assert.NoError(t, err)
 	count, size := components.encodingStreamer.EncodedBlobstore.GetEncodedResultSize()
 	assert.Equal(t, 2, count)
-	assert.Equal(t, uint64(197632), size)
+	assert.Equal(t, uint64(27904), size)
 
 	txn := types.NewTransaction(0, gethcommon.Address{}, big.NewInt(0), 0, big.NewInt(0), nil)
 	components.transactor.On("BuildConfirmBatchTxn").Return(txn, nil)

disperser/batcher/encoded_blob_store.go

@@ -35,7 +35,7 @@ type EncodingResult struct {
 	ReferenceBlockNumber uint
 	BlobQuorumInfo       *core.BlobQuorumInfo
 	Commitment           *encoding.BlobCommitments
-	Chunks               []*encoding.Frame
+	Chunks               core.Bundle
 	Assignments          map[core.OperatorID]core.Assignment
 	Status               status
 }
@@ -191,11 +191,7 @@ func getRequestID(key disperser.BlobKey, quorumID core.QuorumID) requestID {
 	return requestID(fmt.Sprintf("%s-%d", key.String(), quorumID))
 }
 
+// getChunksSize returns the total size of all the chunks in the encoded result in bytes
 func getChunksSize(result *EncodingResult) uint64 {
-	var size uint64
-
-	for _, chunk := range result.Chunks {
-		size += uint64(len(chunk.Coeffs) * 256) // 256 bytes per symbol
-	}
-	return size + 256*2 // + 256 * 2 bytes for proof
+	return result.Chunks.Size()
 }

disperser/batcher/encoding_streamer_test.go

@@ -152,7 +152,7 @@ func TestBatchTrigger(t *testing.T) {
 	assert.Nil(t, err)
 	count, size := encodingStreamer.EncodedBlobstore.GetEncodedResultSize()
 	assert.Equal(t, count, 1)
-	assert.Equal(t, size, uint64(131584))
+	assert.Equal(t, size, uint64(17920))
 
 	// try encode the same blobs again at different block (this happens when the blob is retried)
 	encodingStreamer.ReferenceBlockNumber = 11
@@ -163,7 +163,7 @@ func TestBatchTrigger(t *testing.T) {
 
 	count, size = encodingStreamer.EncodedBlobstore.GetEncodedResultSize()
 	assert.Equal(t, count, 1)
-	assert.Equal(t, size, uint64(131584))
+	assert.Equal(t, size, uint64(17920))
 
 	// don't notify yet
 	select {
@@ -182,7 +182,7 @@ func TestBatchTrigger(t *testing.T) {
 
 	count, size = encodingStreamer.EncodedBlobstore.GetEncodedResultSize()
 	assert.Equal(t, count, 2)
-	assert.Equal(t, size, uint64(131584)*2)
+	assert.Equal(t, size, uint64(17920)*2)
 
 	// notify
 	select {
@@ -243,7 +243,7 @@ func TestStreamingEncoding(t *testing.T) {
 	assert.True(t, isRequested)
 	count, size = encodingStreamer.EncodedBlobstore.GetEncodedResultSize()
 	assert.Equal(t, count, 1)
-	assert.Equal(t, size, uint64(131584))
+	assert.Equal(t, size, uint64(17920))
 
 	// Cancel previous blob so it doesn't get reencoded.
 	err = c.blobStore.MarkBlobFailed(ctx, metadataKey)
@@ -273,7 +273,7 @@ func TestStreamingEncoding(t *testing.T) {
 	assert.True(t, isRequested)
 	count, size = encodingStreamer.EncodedBlobstore.GetEncodedResultSize()
 	assert.Equal(t, count, 1)
-	assert.Equal(t, size, uint64(131584))
+	assert.Equal(t, size, uint64(17920))
 
 	// Request the same blob, which should be dedupped
 	_, err = c.blobStore.StoreBlob(ctx, &blob, requestedAt)
@@ -284,7 +284,7 @@ func TestStreamingEncoding(t *testing.T) {
 	// It should not have been added to the encoded blob store
 	count, size = encodingStreamer.EncodedBlobstore.GetEncodedResultSize()
 	assert.Equal(t, count, 1)
-	assert.Equal(t, size, uint64(131584))
+	assert.Equal(t, size, uint64(17920))
 }
 
 func TestEncodingFailure(t *testing.T) {

encoding/data.go

@@ -41,8 +41,9 @@ func (f *Frame) Length() int {
 }
 
 // Returns the size of chunk in bytes.
-func (f *Frame) Size() int {
-	return f.Length() * BYTES_PER_COEFFICIENT
+func (f *Frame) Size() uint64 {
+	proofSize := uint64(2 * 32)
+	return uint64(f.Length()*BYTES_PER_COEFFICIENT) + proofSize
 }
 
 // Sample is a chunk with associated metadata used by the Universal Batch Verifier

node/metrics.go

@@ -140,13 +140,13 @@ func (g *Metrics) RemoveNCurrentBatch(numBatches int, totalBatchSize int64) {
 	g.AccuRemovedBatches.WithLabelValues("size").Add(float64(totalBatchSize))
 }
 
-func (g *Metrics) AcceptBlobs(quorumId core.QuorumID, blobSize int64) {
+func (g *Metrics) AcceptBlobs(quorumId core.QuorumID, blobSize uint64) {
 	quorum := strconv.Itoa(int(quorumId))
 	g.AccuBlobs.WithLabelValues("number", quorum).Inc()
 	g.AccuBlobs.WithLabelValues("size", quorum).Add(float64(blobSize))
 }
 
-func (g *Metrics) AcceptBatches(status string, batchSize int64) {
+func (g *Metrics) AcceptBatches(status string, batchSize uint64) {
 	g.AccuBatches.WithLabelValues("number", status).Inc()
 	g.AccuBatches.WithLabelValues("size", status).Add(float64(batchSize))
 }

node/node.go

@@ -268,7 +268,7 @@ func (n *Node) ProcessBatch(ctx context.Context, header *core.BatchHeader, blobs
 	log.Debug("Processing batch", "num of blobs", len(blobs))
 
 	// Measure num batches received and its size in bytes
-	batchSize := int64(0)
+	batchSize := uint64(0)
 	for _, blob := range blobs {
 		for quorumID, bundle := range blob.Bundles {
 			n.Metrics.AcceptBlobs(quorumID, bundle.Size())