swarm/chunk: move chunk related declarations to chunk package (#19170)

swarm/storage/localstore/subscription_pull.go

@@ -24,8 +24,8 @@ import (
 	"sync"
 
 	"github.com/ethereum/go-ethereum/log"
+	"github.com/ethereum/go-ethereum/swarm/chunk"
 	"github.com/ethereum/go-ethereum/swarm/shed"
-	"github.com/ethereum/go-ethereum/swarm/storage"
 )
 
 // SubscribePull returns a channel that provides chunk addresses and stored times from pull syncing index.
@@ -161,7 +161,7 @@ func (db *DB) SubscribePull(ctx context.Context, bin uint8, since, until *ChunkD
 // ChunkDescriptor holds information required for Pull syncing. This struct
 // is provided by subscribing to pull index.
 type ChunkDescriptor struct {
-	Address        storage.Address
+	Address        chunk.Address
 	StoreTimestamp int64
 }