client/network/light: Do not reduce retry count on missing peer

Author: mxinden

client/network/src/light_client_requests/sender.rs

@@ -480,8 +480,6 @@ impl<B: Block> Stream for LightClientRequestSender<B> {
 				continue
 			}
 
-			pending_request.attempts_left -= 1;
-
 			let protocol = if pending_request.request.is_block_request() {
 				self.config.block_protocol.clone()
 			} else {
@@ -527,6 +525,8 @@ impl<B: Block> Stream for LightClientRequestSender<B> {
 
 			peer_info.status = PeerStatus::Busy;
 
+			pending_request.attempts_left -= 1;
+
 			self.sent_requests.push(async move {
 				(pending_request.into_sent(peer_id), rx.await)
 			}.boxed());