swarm/storage: Store chunk size

swarm/storage/dpa.go

@@ -17,6 +17,7 @@
 package storage
 
 import (
+	"encoding/binary"
 	"errors"
 	"fmt"
 	"io"
@@ -211,6 +212,7 @@ func (self *dpaChunkStore) Get(key Key) (chunk *Chunk, err error) {
 		return nil, notFound
 	case <-chunk.ReqC:
 	}
+	chunk.Size = int64(binary.LittleEndian.Uint64(chunk.SData[0:8]))
 	return chunk, nil
 }
 

swarm/storage/localstore.go

@@ -59,6 +59,7 @@ func NewTestLocalStore(path string) (*LocalStore, error) {
 // LocalStore is itself a chunk store
 // unsafe, in that the data is not integrity checked
 func (self *LocalStore) Put(chunk *Chunk) {
+	chunk.Size = int64(binary.LittleEndian.Uint64(chunk.SData[0:8]))
 	self.memStore.Put(chunk)
 	go func() {
 		self.DbStore.Put(chunk)