feat(blobstorage): allow get_blob api to return blob data

packages/blobstorage/.default.indexer.env

@@ -1,5 +1,5 @@
-RPC_URL=wss://l1ws.internal.taiko.xyz
-BEACON_URL=https://l1beacon.internal.taiko.xyz
+RPC_URL=wss://l1ws.hekla.taiko.xyz
+BEACON_URL=https://l1beacon.hekla.taiko.xyz
 TAIKO_L1_CONTRACT_ADDRESS=0xC069c3d2a9f2479F559AD34485698ad5199C555f
 DATABASE_HOST=localhost
 DATABASE_PORT=3306

packages/blobstorage/blob_hash.go

@@ -3,7 +3,6 @@ package blobstorage
 type BlobHash struct {
 	BlobHash       string
 	KzgCommitment  string
-	BlockTimestamp uint64
 	BlobData       string
 	BlockID        uint64
 	EmittedBlockID uint64
@@ -12,7 +11,6 @@ type BlobHash struct {
 type SaveBlobHashOpts struct {
 	BlobHash       string
 	KzgCommitment  string
-	BlockTimestamp uint64
 	BlobData       string
 	BlockID        uint64
 	EmittedBlockID uint64

packages/blobstorage/indexer/beaconclient.go

@@ -8,6 +8,8 @@ import (
 	"net/http"
 	"strconv"
 	"time"
+
+	"golang.org/x/exp/slog"
 )
 
 var (
@@ -64,6 +66,8 @@ func NewBeaconClient(cfg *Config, timeout time.Duration) (*BeaconClient, error)
 		return nil, err
 	}
 
+	slog.Info("beaconClientInfo", "secondsPerSlot", secondsPerSlotUint64, "genesisTime", genesisTime)
+
 	return &BeaconClient{
 		beaconURL:      cfg.BeaconURL,
 		genesisTime:    genesisTime,

packages/blobstorage/indexer/indexer.go

@@ -284,18 +284,23 @@ func (i *Indexer) checkReorg(ctx context.Context, event *taikol1.TaikoL1BlockPro
 }
 
 func (i *Indexer) storeBlob(ctx context.Context, event *taikol1.TaikoL1BlockProposed) error {
-	blockID, err := i.beaconClient.timeToSlot(event.Meta.Timestamp)
+	slot, err := i.beaconClient.timeToSlot(event.Meta.Timestamp)
 	if err != nil {
 		return err
 	}
 
-	slog.Info("blockProposed event found", "blockID", blockID, "emittedIn", event.Raw.BlockNumber, "blobUsed", event.Meta.BlobUsed)
+	slog.Info("blockProposed event found",
+		"slot", slot,
+		"emittedIn", event.Raw.BlockNumber,
+		"blobUsed", event.Meta.BlobUsed,
+		"timesStamp", event.Meta.Timestamp,
+	)
 
 	if !event.Meta.BlobUsed {
 		return nil
 	}
 
-	blobsResponse, err := i.beaconClient.getBlobs(ctx, blockID)
+	blobsResponse, err := i.beaconClient.getBlobs(ctx, slot)
 	if err != nil {
 		return err
 	}
@@ -306,15 +311,9 @@ func (i *Indexer) storeBlob(ctx context.Context, event *taikol1.TaikoL1BlockProp
 		metaBlobHash := common.BytesToHash(event.Meta.BlobHash[:])
 		// Comparing the hex strings of meta.blobHash (blobHash)
 		if calculateBlobHash(data.KzgCommitment) == metaBlobHash {
-			blockTs, err := i.getBlockTimestamp(i.cfg.RPCURL, new(big.Int).SetUint64(blockID))
-			if err != nil {
-				slog.Error("error getting block timestamp", "error", err)
-				return err
-			}
-
-			slog.Info("blockHash", "blobHash", metaBlobHash.String())
+			slog.Info("storing blobHash in db", "blobHash", metaBlobHash.String())
 
-			err = i.storeBlobInDB(metaBlobHash.String(), data.KzgCommitment, data.Blob, blockTs, event.BlockId.Uint64(), event.Raw.BlockNumber)
+			err = i.storeBlobInDB(metaBlobHash.String(), data.KzgCommitment, data.Blob, event.BlockId.Uint64(), event.Raw.BlockNumber)
 			if err != nil {
 				slog.Error("Error storing blob in DB", "error", err)
 				return err
@@ -327,13 +326,12 @@ func (i *Indexer) storeBlob(ctx context.Context, event *taikol1.TaikoL1BlockProp
 	return errors.New("BLOB not found")
 }
 
-func (i *Indexer) storeBlobInDB(blobHashInMeta, kzgCommitment, blob string, blockTs uint64, blockID uint64, emittedBlockID uint64) error {
+func (i *Indexer) storeBlobInDB(blobHashInMeta, kzgCommitment, blob string, blockID uint64, emittedBlockID uint64) error {
 	return i.blobHashRepo.Save(blobstorage.SaveBlobHashOpts{
 		BlobHash:       blobHashInMeta,
 		KzgCommitment:  kzgCommitment,
 		BlockID:        blockID,
 		BlobData:       blob,
-		BlockTimestamp: blockTs,
 		EmittedBlockID: emittedBlockID,
 	})
 }

packages/blobstorage/migrations/16667_create_blob_hashes_table.sql

@@ -6,7 +6,6 @@ CREATE TABLE IF NOT EXISTS blob_hashes (
     emitted_block_id BIGINT NOT NULL,
     blob_hash VARCHAR(100) NOT NULL,
     kzg_commitment LONGTEXT NOT NULL,
-    block_timestamp BIGINT NOT NULL,
     blob_data LONGTEXT NOT NULL,
     created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ,
     updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP

packages/blobstorage/pkg/http/get_blob.go

@@ -15,8 +15,9 @@ type getBlobResponse struct {
 }
 
 type blobData struct {
-	Blob          string `bson:"blob_hash" json:"blob_hash"`
+	BlobHash      string `bson:"blob_hash" json:"blob_hash"`
 	KzgCommitment string `bson:"kzg_commitment" json:"kzg_commitment"`
+	Blob          string `bson:"blob" json:"blob"`
 }
 
 // GetBlob
@@ -37,6 +38,7 @@ func (srv *Server) GetBlob(c echo.Context) error {
 	}
 
 	data, err := srv.getBlobData(strings.Split(blobHashes, ","))
+
 	if err != nil {
 		return webutils.LogAndRenderErrors(c, http.StatusBadRequest, err)
 	}
@@ -48,8 +50,9 @@ func (srv *Server) GetBlob(c echo.Context) error {
 	// Convert data to the correct type
 	for _, d := range data {
 		response.Data = append(response.Data, blobData{
-			Blob:          d.Blob,
+			BlobHash:      d.BlobHash,
 			KzgCommitment: d.KzgCommitment,
+			Blob:          d.Blob,
 		},
 		)
 	}
@@ -69,15 +72,17 @@ func (srv *Server) getBlobData(blobHashes []string) ([]blobData, error) {
 		if err != nil {
 			if err == gorm.ErrRecordNotFound {
 				// Handle case where blob hash is not found
-				result.Blob = "NOT_FOUND"
+				result.BlobHash = "NOT_FOUND"
 				result.KzgCommitment = "NOT_FOUND"
+				result.Blob = "NOT_FOUND"
 			} else {
 				// Return error for other types of errors
 				return nil, err
 			}
 		} else {
-			result.Blob = bh.BlobHash
+			result.BlobHash = bh.BlobHash
 			result.KzgCommitment = bh.KzgCommitment
+			result.Blob = bh.BlobData
 
 			results = append(results, result)
 		}

packages/blobstorage/pkg/repo/blob_hash.go

@@ -27,7 +27,6 @@ func (r *BlobHashRepository) Save(opts blobstorage.SaveBlobHashOpts) error {
 	b := &blobstorage.BlobHash{
 		BlobHash:       opts.BlobHash,
 		KzgCommitment:  opts.KzgCommitment,
-		BlockTimestamp: opts.BlockTimestamp,
 		BlobData:       opts.BlobData,
 		BlockID:        opts.BlockID,
 		EmittedBlockID: opts.EmittedBlockID,