gossipd: move timestamp_reasonable into gossmap_manage.c.

It's only used in there anyway.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

gossipd/gossipd.c

@@ -368,21 +368,6 @@ static void master_or_connectd_gone(struct daemon_conn *dc UNUSED)
 	exit(2);
 }
 
-/* We don't check this when loading from the gossip_store: that would break
- * our canned tests, and usually old gossip is better than no gossip */
-bool timestamp_reasonable(const struct daemon *daemon, u32 timestamp)
-{
-	u64 now = clock_time().ts.tv_sec;
-
-	/* More than one day ahead? */
-	if (timestamp > now + 24*60*60)
-		return false;
-	/* More than 2 weeks behind? */
-	if (timestamp < now - GOSSIP_PRUNE_INTERVAL(daemon->dev_fast_gossip_prune))
-		return false;
-	return true;
-}
-
 /*~ Parse init message from lightningd: starts the daemon properly. */
 static void gossip_init(struct daemon *daemon, const u8 *msg)
 {

gossipd/gossipd.h

@@ -158,9 +158,4 @@ void tell_lightningd_peer_update(struct daemon *daemon,
 				 struct amount_msat htlc_minimum,
 				 struct amount_msat htlc_maximum);
 
-/**
- * Is this gossip timestamp reasonable?
- */
-bool timestamp_reasonable(const struct daemon *daemon, u32 timestamp);
-
 #endif /* LIGHTNING_GOSSIPD_GOSSIPD_H */

gossipd/gossmap_manage.c

@@ -893,6 +893,21 @@ static const char *process_channel_update(const tal_t *ctx,
 	return NULL;
 }
 
+/* We don't check this when loading from the gossip_store: that would break
+ * our canned tests, and usually old gossip is better than no gossip */
+static bool timestamp_reasonable(const struct daemon *daemon, u32 timestamp)
+{
+	u64 now = clock_time().ts.tv_sec;
+
+	/* More than one day ahead? */
+	if (timestamp > now + 24*60*60)
+		return false;
+	/* More than 2 weeks behind? */
+	if (timestamp < now - GOSSIP_PRUNE_INTERVAL(daemon->dev_fast_gossip_prune))
+		return false;
+	return true;
+}
+
 const char *gossmap_manage_channel_update(const tal_t *ctx,
 					  struct gossmap_manage *gm,
 					  const u8 *update TAKES,