Explicitly specify default sync behavior for no-std

Author: arik-so

lightning/src/ln/peer_handler.rs

@@ -1739,15 +1739,18 @@ impl<Descriptor: SocketDescriptor, CM: Deref, RM: Deref, OM: Deref, L: Deref, CM
 				peer_lock.sent_gossip_timestamp_filter = true;
 
 				#[allow(unused_mut, unused_assignments)]
-				let mut full_sync_threshold = 0;
+				let mut should_do_full_sync = true;
 				#[cfg(feature = "std")]
 				{
 					// if the timestamp range starts more than six hours ago, do a full sync
 					// otherwise, start at the current time
 					use std::time::{SystemTime, UNIX_EPOCH};
-					full_sync_threshold = SystemTime::now().duration_since(UNIX_EPOCH).expect("Time must be > 1970").as_secs() - 6 * 3600;
+					let full_sync_threshold = SystemTime::now().duration_since(UNIX_EPOCH).expect("Time must be > 1970").as_secs() - 6 * 3600;
+					if (msg.first_timestamp as u64) > full_sync_threshold {
+						should_do_full_sync = false;
+					}
 				}
-				if (msg.first_timestamp as u64) <= full_sync_threshold {
+				if should_do_full_sync {
 					peer_lock.sync_status = InitSyncTracker::ChannelsSyncing(0);
 				}
 			}