Remove PadToPowerOf2 function (#877)

core/utils.go

@@ -23,25 +23,3 @@ func NextPowerOf2[T constraints.Integer](d T) T {
 	nextPower := math.Ceil(math.Log2(float64(d)))
 	return T(math.Pow(2.0, nextPower))
 }
-
-// PadToPowerOf2 pads a byte slice to the nearest power of 2 length by appending zeros
-func PadToPowerOf2(data []byte) []byte {
-	length := len(data)
-	if length == 0 {
-		return []byte{0}
-	}
-
-	// If length is already a power of 2, return original
-	if length&(length-1) == 0 {
-		return data
-	}
-
-	// Create a new slice with the power-of-2 length
-	paddedData := make([]byte, NextPowerOf2(uint64(len(data))))
-
-	// Copy original data
-	copy(paddedData, data)
-
-	// The remaining bytes will be zero by default
-	return paddedData
-}

disperser/encoder/server_v2_test.go

@@ -59,7 +59,7 @@ func TestEncodeBlob(t *testing.T) {
 			t.FailNow()
 		}
 
-		return core.PadToPowerOf2(codec.ConvertByPaddingEmptyByte(data))
+		return codec.ConvertByPaddingEmptyByte(data)
 	}
 
 	// Setup test data
@@ -68,7 +68,7 @@ func TestEncodeBlob(t *testing.T) {
 	blobLength := encoding.GetBlobLength(blobSize)
 
 	// Get chunk length for blob version 0
-	chunkLength, err := corev2.GetChunkLength(0, uint32(blobLength))
+	chunkLength, err := corev2.GetChunkLength(0, core.NextPowerOf2(uint32(blobLength)))
 	if !assert.NoError(t, err, "Failed to get chunk length") {
 		t.FailNow()
 	}