blockstore.ErrNotFound, and proper wantlist sorting

strategy/strategy.go

@@ -68,7 +68,7 @@ func (s *strategist) getSendableBlocks(wantlist *wl.Wantlist, bs bstore.Blocksto
 	var outblocks []*blocks.Block
 	for _, e := range wantlist.Entries() {
 		block, err := bs.Get(e.Value)
-		if err == u.ErrNotFound {
+		if err == bstore.ErrNotFound {
 			continue
 		}
 		if err != nil {

wantlist/wantlist.go

@@ -43,7 +43,7 @@ type entrySlice []*Entry
 
 func (es entrySlice) Len() int           { return len(es) }
 func (es entrySlice) Swap(i, j int)      { es[i], es[j] = es[j], es[i] }
-func (es entrySlice) Less(i, j int) bool { return es[i].Priority < es[j].Priority }
+func (es entrySlice) Less(i, j int) bool { return es[i].Priority > es[j].Priority }
 
 func (w *Wantlist) Entries() []*Entry {
 	var es entrySlice