fix output formatting on stat

bitswap.go

@@ -40,7 +40,7 @@ const (
 	// kMaxPriority is the max priority as defined by the bitswap protocol
 	kMaxPriority = math.MaxInt32
 
-	hasBlockBufferSize = 256
+	HasBlockBufferSize = 256
 	provideWorkers     = 4
 )
 
@@ -88,7 +88,7 @@ func New(parent context.Context, p peer.ID, network bsnet.BitSwapNetwork,
 		wantlist:      wantlist.NewThreadSafe(),
 		batchRequests: make(chan *blockRequest, sizeBatchRequestChan),
 		process:       px,
-		newBlocks:     make(chan *blocks.Block, hasBlockBufferSize),
+		newBlocks:     make(chan *blocks.Block, HasBlockBufferSize),
 	}
 	network.SetDelegate(bs)
 

stat.go

 package bitswap
 
 import (
-	peer "github.com/jbenet/go-ipfs/p2p/peer"
 	u "github.com/jbenet/go-ipfs/util"
+	"sort"
 )
 
 type Stat struct {
 	ProvideBufLen int
 	Wantlist      []u.Key
-	Peers         []peer.ID
+	Peers         []string
 }
 
 func (bs *Bitswap) Stat() (*Stat, error) {
@@ -16,7 +16,10 @@ func (bs *Bitswap) Stat() (*Stat, error) {
 	st.ProvideBufLen = len(bs.newBlocks)
 	st.Wantlist = bs.GetWantlist()
 
-	st.Peers = bs.engine.Peers()
+	for _, p := range bs.engine.Peers() {
+		st.Peers = append(st.Peers, p.Pretty())
+	}
+	sort.Strings(st.Peers)
 
 	return st, nil
 }