feat: add blob storage service (#1672)

Co-authored-by: colin <102356659+colinlyguo@users.noreply.github.com>
Co-authored-by: yiweichi <yiweichi@users.noreply.github.com>

common/types/db.go

@@ -326,3 +326,53 @@ func (s TxStatus) String() string {
 		return fmt.Sprintf("Unknown TxStatus (%d)", int32(s))
 	}
 }
+
+// BlobUploadStatus represents the status of a blob upload
+type BlobUploadStatus int
+
+const (
+	// BlobUploadStatusUndefined indicates an undefined status
+	BlobUploadStatusUndefined BlobUploadStatus = iota
+	// BlobUploadStatusPending indicates a pending upload status
+	BlobUploadStatusPending
+	// BlobUploadStatusUploaded indicates a successful upload status
+	BlobUploadStatusUploaded
+	// BlobUploadStatusFailed indicates a failed upload status
+	BlobUploadStatusFailed
+)
+
+func (s BlobUploadStatus) String() string {
+	switch s {
+	case BlobUploadStatusPending:
+		return "BlobUploadStatusPending"
+	case BlobUploadStatusUploaded:
+		return "BlobUploadStatusUploaded"
+	case BlobUploadStatusFailed:
+		return "BlobUploadStatusFailed"
+	default:
+		return fmt.Sprintf("Unknown BlobUploadStatus (%d)", int32(s))
+	}
+}
+
+// BlobStoragePlatform represents the platform a blob upload to
+type BlobStoragePlatform int
+
+const (
+	// BlobStoragePlatformUndefined indicates an undefined platform
+	BlobStoragePlatformUndefined BlobStoragePlatform = iota
+	// BlobStoragePlatformS3 represents AWS S3
+	BlobStoragePlatformS3
+	// BlobStoragePlatformArweave represents storage blockchain Arweave
+	BlobStoragePlatformArweave
+)
+
+func (s BlobStoragePlatform) String() string {
+	switch s {
+	case BlobStoragePlatformS3:
+		return "BlobStoragePlatformS3"
+	case BlobStoragePlatformArweave:
+		return "BlobStoragePlatformArweave"
+	default:
+		return fmt.Sprintf("Unknown BlobStoragePlatform (%d)", int32(s))
+	}
+}

common/utils/blob.go

@@ -0,0 +1,23 @@
+package utils
+
+import (
+	"crypto/sha256"
+	"fmt"
+
+	"github.com/scroll-tech/go-ethereum/crypto/kzg4844"
+)
+
+// CalculateVersionedBlobHash calculate the kzg4844 versioned blob hash from a blob
+func CalculateVersionedBlobHash(blob kzg4844.Blob) ([32]byte, error) {
+	// calculate kzg4844 commitment from blob
+	commit, err := kzg4844.BlobToCommitment(&blob)
+	if err != nil {
+		return [32]byte{}, fmt.Errorf("failed to get blob commitment, err: %w", err)
+	}
+
+	// calculate kzg4844 versioned blob hash from blob commitment
+	hasher := sha256.New()
+	vh := kzg4844.CalcBlobHashV1(hasher, &commit)
+
+	return vh, nil
+}

common/utils/blob_test.go

@@ -0,0 +1,51 @@
+package utils
+
+import (
+	"encoding/hex"
+	"encoding/json"
+	"os"
+	"testing"
+
+	"github.com/scroll-tech/go-ethereum/crypto/kzg4844"
+)
+
+type BlobData struct {
+	VersionedBlobHash string `json:"versionedBlobHash"`
+	BlobData          string `json:"blobData"`
+}
+
+// TestCalculateVersionedBlobHash tests the CalculateVersionedBlobHash function
+func TestCalculateVersionedBlobHash(t *testing.T) {
+	// Read the test data
+	data, err := os.ReadFile("../testdata/blobdata.json")
+	if err != nil {
+		t.Fatalf("Failed to read blobdata.json: %v", err)
+	}
+
+	var blobData BlobData
+	if err := json.Unmarshal(data, &blobData); err != nil {
+		t.Fatalf("Failed to parse blobdata.json: %v", err)
+	}
+
+	blobBytes, err := hex.DecodeString(blobData.BlobData)
+	if err != nil {
+		t.Fatalf("Failed to decode blob data: %v", err)
+	}
+
+	// Convert []byte to kzg4844.Blob
+	var blob kzg4844.Blob
+	copy(blob[:], blobBytes)
+
+	// Calculate the hash
+	calculatedHashBytes, err := CalculateVersionedBlobHash(blob)
+	if err != nil {
+		t.Fatalf("Failed to calculate versioned blob hash: %v", err)
+	}
+
+	calculatedHash := hex.EncodeToString(calculatedHashBytes[:])
+
+	if calculatedHash != blobData.VersionedBlobHash {
+		t.Fatalf("Hash mismatch: got %s, want %s", calculatedHash, blobData.VersionedBlobHash)
+	}
+
+}

common/version/version.go

@@ -5,7 +5,7 @@ import (
 	"runtime/debug"
 )
 
-var tag = "v4.5.21"
+var tag = "v4.5.22"
 
 var commit = func() string {
 	if info, ok := debug.ReadBuildInfo(); ok {