f prune once on startup

Author: TheBlueMatt

lightning-background-processor/src/lib.rs

@@ -215,7 +215,11 @@ impl BackgroundProcessor {
 
 			let mut last_freshness_call = Instant::now();
 			let mut last_ping_call = Instant::now();
-			let mut last_prune_call = Instant::now();
+			// Note that we want to run a graph prune once not long after startup before falling
+			// back to our usual hourly prunes. This avoids short-lived clients never pruning their
+			// network graph. We default here to once a minute after startup.
+			let mut last_prune_call = Instant::now() + Duration::from_secs(60) - Duration::from_secs(NETWORK_PRUNE_TIMER);
+
 			loop {
 				peer_manager.process_events();
 				channel_manager.process_pending_events(&event_handler);