From 3f52d104216d5a0ebb8e2dcf191eb784492ff503 Mon Sep 17 00:00:00 2001
From: fiatjaf <fiatjaf@gmail.com>
Date: Mon, 9 Feb 2026 18:38:39 -0300
Subject: [PATCH] nip77: fix one possible infinite loop with channels.

---
 nip77/nip77.go | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/nip77/nip77.go b/nip77/nip77.go
index 599d62a..701e2ec 100644
--- a/nip77/nip77.go
+++ b/nip77/nip77.go
@@ -128,17 +128,27 @@ func NegentropySync(
 		})
 	}
 
+	done := make(chan struct{})
 	go func() {
+		defer close(done)
 		wg.Wait()
-		errch <- nil
+		select {
+		case errch <- nil:
+		case <-ctx.Done():
+		}
 	}()
 
-	err = <-errch
-	if err != nil {
-		return err
+	select {
+	case err = <-errch:
+		if err != nil {
+			return err
+		}
+		return nil
+	case <-ctx.Done():
+		return ctx.Err()
+	case <-done:
+		return nil
 	}
-
-	return nil
 }
 
 func SyncEventsFromIDs(ctx context.Context, dir Direction) {