fixing up some bitswap stuff after the PR

blocks_test.go

@@ -2,7 +2,6 @@ package blockservice
 
 import (
 	"bytes"
-	"fmt"
 	"testing"
 
 	ds "github.com/jbenet/datastore.go"
@@ -11,9 +10,8 @@ import (
 )
 
 func TestBlocks(t *testing.T) {
-
 	d := ds.NewMapDatastore()
-	bs, err := NewBlockService(d)
+	bs, err := NewBlockService(d, nil)
 	if err != nil {
 		t.Error("failed to construct block service", err)
 		return
@@ -62,7 +60,4 @@ func TestBlocks(t *testing.T) {
 	if !bytes.Equal(b.Data, b2.Data) {
 		t.Error("Block data is not equal.")
 	}
-
-	fmt.Printf("key: %s\n", b.Key())
-	fmt.Printf("data: %v\n", b.Data)
 }

blockservice.go

@@ -25,7 +25,7 @@ func NewBlockService(d ds.Datastore, rem *bitswap.BitSwap) (*BlockService, error
 		return nil, fmt.Errorf("BlockService requires valid datastore")
 	}
 	if rem == nil {
-		return nil, fmt.Errorf("BlockService requires a valid bitswap")
+		u.PErr("Caution: blockservice running in local (offline) mode.\n")
 	}
 	return &BlockService{Datastore: d, Remote: rem}, nil
 }
@@ -39,7 +39,9 @@ func (s *BlockService) AddBlock(b *blocks.Block) (u.Key, error) {
 	if err != nil {
 		return k, err
 	}
-	err = s.Remote.HaveBlock(b.Key())
+	if s.Remote != nil {
+		err = s.Remote.HaveBlock(b.Key())
+	}
 	return k, err
 }
 
@@ -57,7 +59,7 @@ func (s *BlockService) GetBlock(k u.Key) (*blocks.Block, error) {
 			Multihash: mh.Multihash(k),
 			Data:      bdata,
 		}, nil
-	} else if err == ds.ErrNotFound {
+	} else if err == ds.ErrNotFound && s.Remote != nil {
 		blk, err := s.Remote.GetBlock(k, time.Second*5)
 		if err != nil {
 			return nil, err