/* 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 #include #include #include #include /* 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[] = { 0x0a, 0x80, 0x00, 0x01, 0xbc, 0x09, 0x8b, 0x67, 0xe6, 0x00, 0x00, 0x00, 0x00, 0x10, 0x08, 0x00 , 0x00, 0x00, 0x00, 0x00, 0x0f, 0x42, 0x40, 0x01, 0xb0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 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0x00, 0x00, 0x00, 0x14, 0x00 , 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(); }