Function main

common/test/run-route.c:179–317

}

int main(int argc, char *argv[])
{
	common_setup(argv[0]);

	struct node_id a, b, c, d;
	struct gossmap_node *a_node, *b_node, *c_node, *d_node;
	struct privkey tmp;
	const struct dijkstra *dij;
	struct route_hop *route;
	int store_fd;
	struct gossmap *gossmap;
	const double riskfactor = 1.0;
	char gossip_version = 10;
	char *gossipfilename;

	chainparams = chainparams_for_network("regtest");

	store_fd = tmpdir_mkstemp(tmpctx, "run-route-gossipstore.XXXXXX", &gossipfilename);
	assert(write(store_fd, &gossip_version, sizeof(gossip_version))
	       == sizeof(gossip_version));
	gossmap = gossmap_load(tmpctx, gossipfilename, NULL, NULL);

	memset(&tmp, 'a', sizeof(tmp));
	node_id_from_privkey(&tmp, &a);
	memset(&tmp, 'b', sizeof(tmp));
	node_id_from_privkey(&tmp, &b);

	assert(!gossmap_refresh(gossmap));

	/* A<->B */
	add_connection(store_fd, &a, &b, 1, 1, 1);
	assert(gossmap_refresh(gossmap));

	a_node = gossmap_find_node(gossmap, &a);
	b_node = gossmap_find_node(gossmap, &b);
	dij = dijkstra(tmpctx, gossmap, b_node, AMOUNT_MSAT(1000), riskfactor,
		       route_can_carry_unless_disabled,
		       route_score_cheaper, NULL);

	route = route_from_dijkstra(tmpctx, gossmap, dij, a_node, AMOUNT_MSAT(1000), 10);
	assert(route);
	assert(tal_count(route) == 1);
	assert(amount_msat_eq(route[0].amount, AMOUNT_MSAT(1000)));
	assert(route[0].delay == 10);

	/* A<->B<->C */
	memset(&tmp, 'c', sizeof(tmp));
	node_id_from_privkey(&tmp, &c);
	add_connection(store_fd, &b, &c, 1, 1, 1);
	assert(gossmap_refresh(gossmap));

	/* These can theoretically change after refresh! */
	a_node = gossmap_find_node(gossmap, &a);
	b_node = gossmap_find_node(gossmap, &b);
	c_node = gossmap_find_node(gossmap, &c);
	dij = dijkstra(tmpctx, gossmap, c_node, AMOUNT_MSAT(1000), riskfactor,
		       route_can_carry_unless_disabled,
		       route_score_cheaper, NULL);