gossip: Pass --channel-update-interval to gossipd

Signed-off-by: Christian Decker <decker.christian@gmail.com>

gossipd/gossip.c

@@ -81,6 +81,8 @@ struct daemon {
 
 	/* To make sure our node_announcement timestamps increase */
 	u32 last_announce_timestamp;
+
+	u32 update_channel_interval;
 };
 
 /* Peers we're trying to reach. */
@@ -1307,13 +1309,11 @@ static struct io_plan *gossip_init(struct daemon_conn *master,
 	struct bitcoin_blkid chain_hash;
 	u16 port;
 
-	if (!fromwire_gossipctl_init(daemon, msg, NULL,
-				     &daemon->broadcast_interval,
-				     &chain_hash, &daemon->id, &port,
-				     &daemon->globalfeatures,
-				     &daemon->localfeatures,
-				     &daemon->wireaddrs,
-				     daemon->rgb, daemon->alias)) {
+	if (!fromwire_gossipctl_init(
+		daemon, msg, NULL, &daemon->broadcast_interval, &chain_hash,
+		&daemon->id, &port, &daemon->globalfeatures,
+		&daemon->localfeatures, &daemon->wireaddrs, daemon->rgb,
+		daemon->alias, &daemon->update_channel_interval)) {
 		master_badmsg(WIRE_GOSSIPCTL_INIT, msg);
 	}
 	daemon->rstate = new_routing_state(daemon, &chain_hash, &daemon->id);

gossipd/gossip_wire.csv

@@ -16,6 +16,7 @@ gossipctl_init,,num_wireaddrs,u16
 gossipctl_init,,wireaddrs,num_wireaddrs*struct wireaddr
 gossipctl_init,,rgb,3*u8
 gossipctl_init,,alias,32*u8
+gossipctl_init,,update_channel_interval,u32
 
 # Master -> gossipd: Optional hint for where to find peer.
 gossipctl_peer_addrhint,3014

lightningd/gossip_control.c

@@ -163,12 +163,12 @@ void gossip_init(struct lightningd *ld)
 	if (!ld->gossip)
 		err(1, "Could not subdaemon gossip");
 
-	msg = towire_gossipctl_init(tmpctx, ld->config.broadcast_interval,
-				    &get_chainparams(ld)->genesis_blockhash,
-				    &ld->id, ld->portnum,
+	msg = towire_gossipctl_init(
+	    tmpctx, ld->config.broadcast_interval,
+	    &get_chainparams(ld)->genesis_blockhash, &ld->id, ld->portnum,
 	    get_supported_global_features(tmpctx),
-				    get_supported_local_features(tmpctx),
-				    ld->wireaddrs, ld->rgb, ld->alias);
+	    get_supported_local_features(tmpctx), ld->wireaddrs, ld->rgb,
+	    ld->alias, ld->config.channel_update_interval);
 	subd_send_msg(ld->gossip, msg);
 	tal_free(tmpctx);
 }