Function main

plugins/renepay/test/run-mcf.c:275–534

static void remove_file(char *fname) { assert(!remove(fname)); }

int main(int argc, char *argv[])
{
	int fd;
	char *gossfile;
	struct gossmap *gossmap;
	struct node_id l1, l2, l3;
	struct flow **flows;
	struct route **routes;
	struct short_channel_id scid12, scid23;
	struct sha256 payment_hash;
	struct amount_msat *amounts;
	char *errmsg;

	if (!hex_decode("0001020304050607080900010203040506070809000102030405060708090102",
			strlen("0001020304050607080900010203040506070809000102030405060708090102"),
			&payment_hash, sizeof(payment_hash)))
		abort();

	common_setup(argv[0]);

	fd = tmpdir_mkstemp(tmpctx, "run-not_mcf.XXXXXX", &gossfile);
	tal_add_destructor(gossfile, remove_file);
	assert(write_all(fd, canned_map, sizeof(canned_map)));

	gossmap = gossmap_load(tmpctx, gossfile, NULL, NULL);
	assert(gossmap);

	/* There is a public channel 2<->3 (103x1x0), and 1<->2 (110x1x1). */
	assert(node_id_from_hexstr("0266e4598d1d3c415f572a8488830b60f7e744ed9235eb0b1ba93283b315c03518", 66, &l1));
	assert(node_id_from_hexstr("022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59", 66, &l2));
	assert(node_id_from_hexstr("035d2b1192dfba134e10e540875d366ebc8bc353d5aa766b80c090b39c3a5d885d", 66, &l3));
	assert(short_channel_id_from_str("110x1x0", 7, &scid12));
	assert(short_channel_id_from_str("103x1x0", 7, &scid23));

	struct uncertainty *uncertainty = uncertainty_new(tmpctx);
	int skipped_count = uncertainty_update(uncertainty, gossmap);
	assert(skipped_count == 0);

	bitmap *disabled = tal_arrz(
	    tmpctx, bitmap, 2 * BITMAP_NWORDS(gossmap_max_chan_idx(gossmap)));

	printf("All set, now let's call minflow ...\n");

	flows = minflow(tmpctx, gossmap,
			gossmap_find_node(gossmap, &l1),
			gossmap_find_node(gossmap, &l3),
			uncertainty_get_chan_extra_map(uncertainty),
			disabled,
			/* Half the capacity */
			AMOUNT_MSAT(500000000),
			 /* max_fee = */ AMOUNT_MSAT(1000000), // 1k sats
			 /* min probability = */ 0.1,
			 /* base probability = */ 1.0,
			 /* delay fee factor = */ 1,
			 /* base fee penalty */ 1,
			 /* prob cost factor = */ 10,
			 &errmsg);
	printf("minflow completed.\n");