gossip: Pass output value to gossipd

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

gossipd/gossip.c

@@ -1813,8 +1813,9 @@ static struct io_plan *handle_txout_reply(struct io_conn *conn,
 {
 	struct short_channel_id scid;
 	u8 *outscript;
+	u64 satoshis;
 
-	if (!fromwire_gossip_get_txout_reply(msg, msg, &scid, &outscript))
+	if (!fromwire_gossip_get_txout_reply(msg, msg, &scid, &satoshis, &outscript))
 		master_badmsg(WIRE_GOSSIP_GET_TXOUT_REPLY, msg);
 
 	if (handle_pending_cannouncement(daemon->rstate, &scid, outscript))

gossipd/gossip_wire.csv

@@ -191,6 +191,7 @@ gossip_get_txout,,short_channel_id,struct short_channel_id
 # master->gossipd here is the output, or empty if none.
 gossip_get_txout_reply,3118
 gossip_get_txout_reply,,short_channel_id,struct short_channel_id
+gossip_get_txout_reply,,satoshis,u64
 gossip_get_txout_reply,,len,u16
 gossip_get_txout_reply,,outscript,len*u8
 

lightningd/gossip_control.c

@@ -66,15 +66,19 @@ static void got_txout(struct bitcoind *bitcoind,
 		      struct short_channel_id *scid)
 {
 	const u8 *script;
+	u64 satoshis = 0;
 
 	/* output will be NULL if it wasn't found */
-	if (output)
+	if (output) {
 		script = output->script;
-	else
+		satoshis = output->amount;
+	} else {
 		script = NULL;
+	}
 
-	subd_send_msg(bitcoind->ld->gossip,
-		      towire_gossip_get_txout_reply(scid, scid, script));
+	subd_send_msg(
+	    bitcoind->ld->gossip,
+	    towire_gossip_get_txout_reply(scid, scid, satoshis, script));
 	tal_free(scid);
 }
 
@@ -92,8 +96,9 @@ static void get_txout(struct subd *gossip, const u8 *msg)
 	op = wallet_outpoint_for_scid(gossip->ld->wallet, scid, scid);
 
 	if (op) {
-		subd_send_msg(gossip, towire_gossip_get_txout_reply(
-					  scid, scid, op->scriptpubkey));
+		subd_send_msg(gossip,
+			      towire_gossip_get_txout_reply(
+				  scid, scid, op->satoshis, op->scriptpubkey));
 		tal_free(scid);
 	} else {
 		bitcoind_getoutput(gossip->ld->topology->bitcoind,