make previous more resiliant to large jitters, small initial backoffs

decred · Jan 27, 2025 · e9581c3 · e9581c3
1 parent b597226
commit e9581c3
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/spv/sync.go b/spv/sync.go
@@ -654,9 +654,9 @@ func (s *Syncer) connectToPersistent(ctx context.Context, raddr string) error {
 		// Persistent peers use a backoff duration scaled to 1/5th of
 		// discovered candidate peers (min 5s -> 1s, max 1m30s -> 18s).
 		jitter := backoffJitter()
-		scaledBackoff := d / 5
-		if scaledBackoff != 0 {
-			scaledBackoff += jitter
+		scaledBackoff := d/5 + jitter
+		if scaledBackoff < 0 {
+			scaledBackoff = 0
 		}
 		connected := s.connectAndRunPeer(ctx, scaledBackoff, raddr, true)
 		if err := ctx.Err(); err != nil {