feat: Proxy client - alias blob info to certificate

Author: ethenotethan

store/eigenda.go

@@ -7,7 +7,6 @@ import (
 	"github.com/Layr-Labs/eigenda-proxy/common"
 	"github.com/Layr-Labs/eigenda-proxy/verify"
 	"github.com/Layr-Labs/eigenda/api/clients"
-	"github.com/Layr-Labs/eigenda/api/grpc/disperser"
 	"github.com/ethereum/go-ethereum/rlp"
 )
 
@@ -31,7 +30,7 @@ func NewEigenDAStore(ctx context.Context, client *clients.EigenDAClient, v *veri
 // Get fetches a blob from DA using certificate fields and verifies blob
 // against commitment to ensure data is valid and non-tampered.
 func (e EigenDAStore) Get(ctx context.Context, key []byte, domain common.DomainType) ([]byte, error) {
-	var cert disperser.BlobInfo
+	var cert common.Certificate
 	err := rlp.DecodeBytes(key, &cert)
 	if err != nil {
 		return nil, fmt.Errorf("failed to decode DA cert to RLP format: %w", err)

store/memory.go

@@ -10,6 +10,7 @@ import (
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/rlp"
 
+	"github.com/Layr-Labs/eigenda-proxy/common"
 	eigendacommon "github.com/Layr-Labs/eigenda-proxy/common"
 	"github.com/Layr-Labs/eigenda-proxy/verify"
 	"github.com/Layr-Labs/eigenda/api/clients/codecs"
@@ -104,7 +105,7 @@ func (e *MemStore) Get(ctx context.Context, commit []byte, domain eigendacommon.
 	e.RLock()
 	defer e.RUnlock()
 
-	var cert disperser.BlobInfo
+	var cert common.Certificate
 	err := rlp.DecodeBytes(commit, &cert)
 	if err != nil {
 		return nil, fmt.Errorf("failed to decode DA cert to RLP format: %w", err)
@@ -160,7 +161,7 @@ func (e *MemStore) Put(ctx context.Context, value []byte) ([]byte, error) {
 	mockBatchHeaderHash := crypto.Keccak256Hash(entropy)
 
 	// only filling out commitment fields for now
-	cert := &disperser.BlobInfo{
+	cert := &common.Certificate{
 		BlobHeader: &disperser.BlobHeader{
 			Commitment: &grpccommon.G1Commitment{
 				X: commitment.X.Marshal(),