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run-gossmap_local.c
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run-gossmap_local.c
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/* Test local modifications to gossmap */
#include "config.h"
#include "../amount.c"
#include "../fp16.c"
#include "../gossmap.c"
#include "../node_id.c"
#include "../pseudorand.c"
#include <ccan/read_write_all/read_write_all.h>
#include <common/channel_type.h>
#include <common/setup.h>
#include <common/utils.h>
#include <stdio.h>
/* AUTOGENERATED MOCKS START */
/* Generated stub for fromwire_bigsize */
bigsize_t fromwire_bigsize(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
{ fprintf(stderr, "fromwire_bigsize called!\n"); abort(); }
/* Generated stub for fromwire_channel_id */
bool fromwire_channel_id(const u8 **cursor UNNEEDED, size_t *max UNNEEDED,
struct channel_id *channel_id UNNEEDED)
{ fprintf(stderr, "fromwire_channel_id called!\n"); abort(); }
/* Generated stub for towire_bigsize */
void towire_bigsize(u8 **pptr UNNEEDED, const bigsize_t val UNNEEDED)
{ fprintf(stderr, "towire_bigsize called!\n"); abort(); }
/* Generated stub for towire_channel_id */
void towire_channel_id(u8 **pptr UNNEEDED, const struct channel_id *channel_id UNNEEDED)
{ fprintf(stderr, "towire_channel_id called!\n"); abort(); }
/* AUTOGENERATED MOCKS END */
/* Canned gossmap, taken from tests/test_gossip.py::test_gossip_store_compact_noappend
* $> od -v -Anone -tx1 < /tmp/ltests-kaf30pn0/test_gossip_store_compact_noappend_1/lightning-2/regtest/gossip_store | sed 's/ / 0x/g'| cut -c2- | sed -e 's/ /, /g' -e 's/$/,/'
*/
static u8 canned_map[] = {
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, 0x00, 0x03, 0xe8, 0x00, 0x00, 0x00, 0x00, 0x3b, 0x02, 0x33, 0x80
};
static void check_cannounce(const u8 *cannounce,
const struct short_channel_id *scid,
const struct node_id *n1,
const struct node_id *n2)
{
secp256k1_ecdsa_signature sig;
u8 *features;
struct bitcoin_blkid chain_hash;
struct short_channel_id actual_scid;
struct node_id actual_n1, actual_n2;
struct pubkey k;
assert(fromwire_channel_announcement(cannounce, cannounce,
&sig, &sig, &sig, &sig,
&features, &chain_hash,
&actual_scid,
&actual_n1,
&actual_n2,
&k, &k));
assert(short_channel_id_eq(&actual_scid, scid));
if (node_id_cmp(n1, n2) < 0) {
assert(node_id_eq(&actual_n1, n1));
assert(node_id_eq(&actual_n2, n2));
} else {
assert(node_id_eq(&actual_n1, n2));
assert(node_id_eq(&actual_n2, n1));
}
}
static void check_nannounce(const u8 *nannounce,
const struct node_id *n)
{
secp256k1_ecdsa_signature sig;
u8 *features, *addresses;
u32 timestamp;
u8 rgb_color[3], alias[32];
struct node_id node_id;
struct tlv_node_ann_tlvs *na_tlvs;
assert(fromwire_node_announcement(nannounce, nannounce,
&sig, &features,
×tamp,
&node_id,
rgb_color,
alias,
&addresses,
&na_tlvs));
assert(node_id_eq(&node_id, n));
}
int main(int argc, char *argv[])
{
int fd;
char *gossfile;
struct gossmap *map;
struct node_id l1, l2, l3, l4;
struct short_channel_id scid23, scid12, scid_local;
struct gossmap_chan *chan;
struct gossmap_localmods *mods;
struct amount_sat capacity;
u32 timestamp, fee_base_msat, fee_proportional_millionths;
u8 message_flags, channel_flags;
struct amount_msat htlc_minimum_msat, htlc_maximum_msat;
u8 *cann, *nann;
common_setup(argv[0]);
fd = tmpdir_mkstemp(tmpctx, "run-gossip_local.XXXXXX", &gossfile);
assert(write_all(fd, canned_map, sizeof(canned_map)));
map = gossmap_load(tmpctx, gossfile, NULL);
assert(map);
/* There is a public channel 2<->3 (103x1x0), and private
* 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(gossmap_find_node(map, &l1));
assert(gossmap_find_node(map, &l2));
assert(gossmap_find_node(map, &l3));
assert(short_channel_id_from_str("103x1x0", 7, &scid23));
assert(short_channel_id_from_str("110x1x1", 7, &scid12));
assert(gossmap_find_chan(map, &scid23));
assert(!gossmap_find_chan(map, &scid23)->private);
assert(gossmap_find_chan(map, &scid12));
assert(gossmap_find_chan(map, &scid12)->private);
assert(gossmap_chan_get_capacity(map, gossmap_find_chan(map, &scid23),
&capacity));
assert(amount_sat_eq(capacity, AMOUNT_SAT(1000000)));
assert(gossmap_chan_get_capacity(map, gossmap_find_chan(map, &scid12),
&capacity));
assert(amount_sat_eq(capacity, AMOUNT_SAT(1000000)));
gossmap_chan_get_update_details(map, gossmap_find_chan(map, &scid23),
0,
×tamp,
&message_flags,
&channel_flags,
&fee_base_msat,
&fee_proportional_millionths,
&htlc_minimum_msat,
&htlc_maximum_msat);
assert(timestamp == 1612141433);
assert(message_flags == 1);
assert(channel_flags == 0);
assert(fee_base_msat == 20);
assert(fee_proportional_millionths == 1000);
assert(amount_msat_eq(htlc_minimum_msat, AMOUNT_MSAT(0)));
assert(amount_msat_eq(htlc_maximum_msat, AMOUNT_MSAT(990000000)));
gossmap_chan_get_update_details(map, gossmap_find_chan(map, &scid23),
1,
×tamp,
&message_flags,
&channel_flags,
&fee_base_msat,
&fee_proportional_millionths,
&htlc_minimum_msat,
&htlc_maximum_msat);
assert(timestamp == 1612141435);
assert(message_flags == 1);
assert(channel_flags == 1);
assert(fee_base_msat == 20);
assert(fee_proportional_millionths == 1000);
assert(amount_msat_eq(htlc_minimum_msat, AMOUNT_MSAT(0)));
assert(amount_msat_eq(htlc_maximum_msat, AMOUNT_MSAT(990000000)));
gossmap_chan_get_update_details(map, gossmap_find_chan(map, &scid12),
0,
×tamp,
&message_flags,
&channel_flags,
&fee_base_msat,
&fee_proportional_millionths,
&htlc_minimum_msat,
&htlc_maximum_msat);
assert(timestamp == 1612141439);
assert(message_flags == 1);
assert(channel_flags == 0);
assert(fee_base_msat == 20);
assert(fee_proportional_millionths == 1000);
assert(amount_msat_eq(htlc_minimum_msat, AMOUNT_MSAT(0)));
assert(amount_msat_eq(htlc_maximum_msat, AMOUNT_MSAT(990000000)));
gossmap_chan_get_update_details(map, gossmap_find_chan(map, &scid12),
1,
×tamp,
&message_flags,
&channel_flags,
&fee_base_msat,
&fee_proportional_millionths,
&htlc_minimum_msat,
&htlc_maximum_msat);
assert(timestamp == 1612141439);
assert(message_flags == 1);
assert(channel_flags == 1);
assert(fee_base_msat == 20);
assert(fee_proportional_millionths == 1000);
assert(amount_msat_eq(htlc_minimum_msat, AMOUNT_MSAT(0)));
assert(amount_msat_eq(htlc_maximum_msat, AMOUNT_MSAT(990000000)));
assert(tal_bytelen(gossmap_chan_get_features(tmpctx, map,
gossmap_find_chan(map, &scid12))) == 0);
assert(tal_bytelen(gossmap_chan_get_features(tmpctx, map,
gossmap_find_chan(map, &scid23))) == 0);
cann = gossmap_chan_get_announce(tmpctx, map,
gossmap_find_chan(map, &scid12));
check_cannounce(cann, &scid12, &l1, &l2);
cann = gossmap_chan_get_announce(tmpctx, map,
gossmap_find_chan(map, &scid23));
check_cannounce(cann, &scid23, &l2, &l3);
nann = gossmap_node_get_announce(tmpctx, map,
gossmap_find_node(map, &l1));
assert(!nann);
nann = gossmap_node_get_announce(tmpctx, map,
gossmap_find_node(map, &l2));
check_nannounce(nann, &l2);
nann = gossmap_node_get_announce(tmpctx, map,
gossmap_find_node(map, &l3));
check_nannounce(nann, &l3);
/* Now, let's add a new channel l1 -> l4. */
mods = gossmap_localmods_new(tmpctx);
assert(node_id_from_hexstr("0382ce59ebf18be7d84677c2e35f23294b9992ceca95491fcf8a56c6cb2d9de199", 66, &l4));
assert(short_channel_id_from_str("111x1x1", 7, &scid_local));
assert(gossmap_local_addchan(mods, &l1, &l4, &scid_local, NULL));
/* Apply changes, check they work. */
gossmap_apply_localmods(map, mods);
assert(gossmap_find_node(map, &l4));
chan = gossmap_find_chan(map, &scid_local);
/* Exists, but no updates. */
assert(!gossmap_chan_set(chan, 0));
assert(!gossmap_chan_set(chan, 1));
/* Remove, no longer can find. */
gossmap_remove_localmods(map, mods);
assert(!gossmap_find_chan(map, &scid_local));
assert(!gossmap_find_node(map, &l4));
/* Now update it both local, and an existing one. */
gossmap_local_updatechan(mods, &scid_local,
AMOUNT_MSAT(1),
AMOUNT_MSAT(100000),
2, 3, 4, true, 0);
/* Adding an existing channel is a noop. */
assert(gossmap_local_addchan(mods, &l2, &l3, &scid23, NULL));
gossmap_local_updatechan(mods, &scid23,
AMOUNT_MSAT(99),
AMOUNT_MSAT(100),
101, 102, 103, true, 0);
gossmap_apply_localmods(map, mods);
chan = gossmap_find_chan(map, &scid_local);
assert(gossmap_chan_set(chan, 0));
assert(!gossmap_chan_set(chan, 1));
assert(chan->half[0].enabled);
assert(chan->half[0].htlc_min == u64_to_fp16(1, false));
assert(chan->half[0].htlc_max == u64_to_fp16(100000, true));
assert(chan->half[0].base_fee == 2);
assert(chan->half[0].proportional_fee == 3);
assert(chan->half[0].delay == 4);
chan = gossmap_find_chan(map, &scid23);
assert(chan->half[0].enabled);
assert(chan->half[0].htlc_min == u64_to_fp16(99, false));
assert(chan->half[0].htlc_max == u64_to_fp16(100, true));
assert(chan->half[0].base_fee == 101);
assert(chan->half[0].proportional_fee == 102);
assert(chan->half[0].delay == 103);
/* Cleanup leaves everything previous intact */
gossmap_remove_localmods(map, mods);
assert(!gossmap_find_node(map, &l4));
assert(!gossmap_find_chan(map, &scid_local));
assert(gossmap_find_node(map, &l1));
assert(gossmap_find_node(map, &l2));
assert(gossmap_find_node(map, &l3));
assert(gossmap_find_chan(map, &scid23));
assert(gossmap_find_chan(map, &scid12));
chan = gossmap_find_chan(map, &scid23);
assert(chan->half[0].enabled);
assert(chan->half[0].htlc_min == u64_to_fp16(0, false));
assert(chan->half[0].htlc_max == u64_to_fp16(990380000, true));
assert(chan->half[0].base_fee == 20);
assert(chan->half[0].proportional_fee == 1000);
assert(chan->half[0].delay == 6);
/* Now we can refresh. */
assert(write(fd, "", 1) == 1);
gossmap_refresh(map, NULL);
common_shutdown();
}