From 2f907e84a8c637fa968653647fcd53c23b0bd29b Mon Sep 17 00:00:00 2001
From: Matt Joiner <anacrolix@gmail.com>
Date: Wed, 17 Nov 2021 14:01:11 +1100
Subject: [PATCH] Optimize PeerConn.peerHasAllPieces

---
 peerconn.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/peerconn.go b/peerconn.go
index bd0bce2e..4dcf71e8 100644
--- a/peerconn.go
+++ b/peerconn.go
@@ -242,7 +242,7 @@ func (cn *PeerConn) peerHasAllPieces() (all bool, known bool) {
 	if !cn.t.haveInfo() {
 		return false, false
 	}
-	return roaring.Flip(&cn._peerPieces, 0, bitmap.BitRange(cn.t.numPieces())).IsEmpty(), true
+	return cn._peerPieces.GetCardinality() == uint64(cn.t.numPieces()), true
 }
 
 func (cn *Peer) locker() *lockWithDeferreds {
-- 
2.48.1