routing: Make routing_state aware of its own ID

This is used to identify our own announcements.

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

gossipd/gossip.c

@@ -1114,7 +1114,7 @@ static struct io_plan *gossip_init(struct daemon_conn *master,
 				     &daemon->localfeatures)) {
 		master_badmsg(WIRE_GOSSIPCTL_INIT, msg);
 	}
-	daemon->rstate = new_routing_state(daemon, &chain_hash);
+	daemon->rstate = new_routing_state(daemon, &chain_hash, &daemon->id);
 
 	setup_listeners(daemon, port);
 	return daemon_conn_read_next(master->conn, master);

gossipd/routing.c

@@ -26,12 +26,14 @@ static struct node_map *empty_node_map(const tal_t *ctx)
 }
 
 struct routing_state *new_routing_state(const tal_t *ctx,
-					const struct sha256_double *chain_hash)
+					const struct sha256_double *chain_hash,
+					const struct pubkey *local_id)
 {
 	struct routing_state *rstate = tal(ctx, struct routing_state);
 	rstate->nodes = empty_node_map(rstate);
 	rstate->broadcasts = new_broadcast_state(rstate);
 	rstate->chain_hash = *chain_hash;
+	rstate->local_id = *local_id;
 	return rstate;
 }
 

gossipd/routing.h

@@ -93,7 +93,8 @@ struct route_hop {
 };
 
 struct routing_state *new_routing_state(const tal_t *ctx,
-					const struct sha256_double *chain_hash);
+					const struct sha256_double *chain_hash,
+					const struct pubkey *local_id);
 
 /* msatoshi must be possible (< 21 million BTC), ie < 2^60.
  * If it returns more than msatoshi, it overflowed. */

gossipd/test/run-find_route-specific.c

@@ -67,8 +67,6 @@ int main(void)
 	secp256k1_ctx = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY
 						 | SECP256K1_CONTEXT_SIGN);
 
-	rstate = new_routing_state(ctx, &zerohash);
-
 	pubkey_from_hexstr("03c173897878996287a8100469f954dd820fcd8941daed91c327f168f3329be0bf",
 			   strlen("03c173897878996287a8100469f954dd820fcd8941daed91c327f168f3329be0bf"),
 			   &a);
@@ -79,6 +77,7 @@ int main(void)
 			   strlen("02ea622d5c8d6143f15ed3ce1d501dd0d3d09d3b1c83a44d0034949f8a9ab60f06"),
 			   &c);
 
+	rstate = new_routing_state(ctx, &zerohash, &a);
 
 	/* [{'active': True, 'short_id': '6990:2:1/1', 'fee_per_kw': 10, 'delay': 5, 'flags': 1, 'destination': '0230ad0e74ea03976b28fda587bb75bdd357a1938af4424156a18265167f5e40ae', 'source': '02ea622d5c8d6143f15ed3ce1d501dd0d3d09d3b1c83a44d0034949f8a9ab60f06', 'last_update': 1504064344}, */
 	nc = get_or_make_connection(rstate, &c, &b);

gossipd/test/run-find_route.c

@@ -78,9 +78,9 @@ int main(void)
 	secp256k1_ctx = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY
 						 | SECP256K1_CONTEXT_SIGN);
 
-	rstate = new_routing_state(ctx, &zerohash);
-
 	memset(&tmp, 'a', sizeof(tmp));
+	rstate = new_routing_state(ctx, &zerohash, &a);
+
 	pubkey_from_privkey(&tmp, &a);
 	new_node(rstate, &a);