You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

307 lines
12 KiB

#include "../routing.c"
#include "../gossip_store.c"
#include <common/json_stream.h>
#include <stdio.h>
void status_fmt(enum log_level level UNUSED,
const struct node_id *node_id,
const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vprintf(fmt, ap);
printf("\n");
va_end(ap);
}
/* AUTOGENERATED MOCKS START */
/* Generated stub for cupdate_different */
bool cupdate_different(struct gossip_store *gs UNNEEDED,
const struct half_chan *hc UNNEEDED,
const u8 *cupdate UNNEEDED)
{ fprintf(stderr, "cupdate_different called!\n"); abort(); }
/* Generated stub for fmt_wireaddr_without_port */
char *fmt_wireaddr_without_port(const tal_t *ctx UNNEEDED, const struct wireaddr *a UNNEEDED)
{ fprintf(stderr, "fmt_wireaddr_without_port called!\n"); abort(); }
/* Generated stub for fromwire_gossip_store_channel_amount */
bool fromwire_gossip_store_channel_amount(const void *p UNNEEDED, struct amount_sat *satoshis UNNEEDED)
{ fprintf(stderr, "fromwire_gossip_store_channel_amount called!\n"); abort(); }
/* Generated stub for fromwire_gossip_store_private_channel */
bool fromwire_gossip_store_private_channel(const tal_t *ctx UNNEEDED, const void *p UNNEEDED, struct amount_sat *satoshis UNNEEDED, u8 **announcement UNNEEDED)
{ fprintf(stderr, "fromwire_gossip_store_private_channel called!\n"); abort(); }
/* Generated stub for fromwire_gossip_store_private_update */
bool fromwire_gossip_store_private_update(const tal_t *ctx UNNEEDED, const void *p UNNEEDED, u8 **update UNNEEDED)
{ fprintf(stderr, "fromwire_gossip_store_private_update called!\n"); abort(); }
/* Generated stub for fromwire_gossipd_local_add_channel_obs */
bool fromwire_gossipd_local_add_channel_obs(const tal_t *ctx UNNEEDED, const void *p UNNEEDED, struct short_channel_id *short_channel_id UNNEEDED, struct node_id *remote_node_id UNNEEDED, struct amount_sat *satoshis UNNEEDED, u8 **features UNNEEDED)
{ fprintf(stderr, "fromwire_gossipd_local_add_channel_obs called!\n"); abort(); }
/* Generated stub for fromwire_wireaddr */
bool fromwire_wireaddr(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, struct wireaddr *addr UNNEEDED)
{ fprintf(stderr, "fromwire_wireaddr called!\n"); abort(); }
/* Generated stub for json_add_member */
void json_add_member(struct json_stream *js UNNEEDED,
const char *fieldname UNNEEDED,
bool quote UNNEEDED,
const char *fmt UNNEEDED, ...)
{ fprintf(stderr, "json_add_member called!\n"); abort(); }
/* Generated stub for json_member_direct */
char *json_member_direct(struct json_stream *js UNNEEDED,
const char *fieldname UNNEEDED, size_t extra UNNEEDED)
{ fprintf(stderr, "json_member_direct called!\n"); abort(); }
/* Generated stub for json_object_end */
void json_object_end(struct json_stream *js UNNEEDED)
{ fprintf(stderr, "json_object_end called!\n"); abort(); }
/* Generated stub for json_object_start */
void json_object_start(struct json_stream *ks UNNEEDED, const char *fieldname UNNEEDED)
{ fprintf(stderr, "json_object_start called!\n"); abort(); }
/* Generated stub for memleak_add_helper_ */
void memleak_add_helper_(const tal_t *p UNNEEDED, void (*cb)(struct htable *memtable UNNEEDED,
const tal_t *)){ }
/* Generated stub for nannounce_different */
bool nannounce_different(struct gossip_store *gs UNNEEDED,
const struct node *node UNNEEDED,
const u8 *nannounce UNNEEDED)
{ fprintf(stderr, "nannounce_different called!\n"); abort(); }
/* Generated stub for notleak_ */
void *notleak_(const void *ptr UNNEEDED, bool plus_children UNNEEDED)
{ fprintf(stderr, "notleak_ called!\n"); abort(); }
/* Generated stub for peer_supplied_good_gossip */
void peer_supplied_good_gossip(struct peer *peer UNNEEDED, size_t amount UNNEEDED)
{ fprintf(stderr, "peer_supplied_good_gossip called!\n"); abort(); }
/* Generated stub for private_channel_announcement */
const u8 *private_channel_announcement(const tal_t *ctx UNNEEDED,
const struct short_channel_id *scid UNNEEDED,
const struct node_id *local_node_id UNNEEDED,
const struct node_id *remote_node_id UNNEEDED,
const u8 *features UNNEEDED)
{ fprintf(stderr, "private_channel_announcement called!\n"); abort(); }
/* Generated stub for sanitize_error */
char *sanitize_error(const tal_t *ctx UNNEEDED, const u8 *errmsg UNNEEDED,
struct channel_id *channel_id UNNEEDED)
{ fprintf(stderr, "sanitize_error called!\n"); abort(); }
/* Generated stub for status_failed */
void status_failed(enum status_failreason code UNNEEDED,
const char *fmt UNNEEDED, ...)
{ fprintf(stderr, "status_failed called!\n"); abort(); }
/* Generated stub for towire_errorfmt */
u8 *towire_errorfmt(const tal_t *ctx UNNEEDED,
const struct channel_id *channel UNNEEDED,
const char *fmt UNNEEDED, ...)
{ fprintf(stderr, "towire_errorfmt called!\n"); abort(); }
/* Generated stub for towire_gossip_store_channel_amount */
u8 *towire_gossip_store_channel_amount(const tal_t *ctx UNNEEDED, struct amount_sat satoshis UNNEEDED)
{ fprintf(stderr, "towire_gossip_store_channel_amount called!\n"); abort(); }
/* Generated stub for towire_gossip_store_delete_chan */
u8 *towire_gossip_store_delete_chan(const tal_t *ctx UNNEEDED, const struct short_channel_id *scid UNNEEDED)
{ fprintf(stderr, "towire_gossip_store_delete_chan called!\n"); abort(); }
/* Generated stub for towire_gossip_store_private_channel */
u8 *towire_gossip_store_private_channel(const tal_t *ctx UNNEEDED, struct amount_sat satoshis UNNEEDED, const u8 *announcement UNNEEDED)
{ fprintf(stderr, "towire_gossip_store_private_channel called!\n"); abort(); }
/* Generated stub for towire_gossip_store_private_update */
u8 *towire_gossip_store_private_update(const tal_t *ctx UNNEEDED, const u8 *update UNNEEDED)
{ fprintf(stderr, "towire_gossip_store_private_update called!\n"); abort(); }
/* Generated stub for update_peers_broadcast_index */
void update_peers_broadcast_index(struct list_head *peers UNNEEDED, u32 offset UNNEEDED)
{ fprintf(stderr, "update_peers_broadcast_index called!\n"); abort(); }
/* AUTOGENERATED MOCKS END */
#if DEVELOPER
/* Generated stub for memleak_remove_htable */
void memleak_remove_htable(struct htable *memtable UNNEEDED, const struct htable *ht UNNEEDED)
{ fprintf(stderr, "memleak_remove_htable called!\n"); abort(); }
/* Generated stub for memleak_remove_intmap_ */
void memleak_remove_intmap_(struct htable *memtable UNNEEDED, const struct intmap *m UNNEEDED)
{ fprintf(stderr, "memleak_remove_intmap_ called!\n"); abort(); }
#endif
/* NOOP for new_reltimer_ */
struct oneshot *new_reltimer_(struct timers *timers UNNEEDED,
const tal_t *ctx UNNEEDED,
struct timerel expire UNNEEDED,
void (*cb)(void *) UNNEEDED, void *arg UNNEEDED)
{
return NULL;
}
static void node_id_from_privkey(const struct privkey *p, struct node_id *id)
{
struct pubkey k;
pubkey_from_privkey(p, &k);
node_id_from_pubkey(id, &k);
}
/* Updates existing route if required. */
static void add_connection(struct routing_state *rstate,
const struct node_id *from,
const struct node_id *to,
u32 base_fee, s32 proportional_fee,
u32 delay)
{
struct short_channel_id scid;
struct half_chan *c;
struct chan *chan;
struct amount_sat satoshis = AMOUNT_SAT(100000);
/* Make a unique scid. */
memcpy(&scid, from, sizeof(scid) / 2);
memcpy((char *)&scid + sizeof(scid) / 2, to, sizeof(scid) / 2);
chan = get_channel(rstate, &scid);
if (!chan)
chan = new_chan(rstate, &scid, from, to, satoshis, NULL);
c = &chan->half[node_id_idx(from, to)];
/* Make sure it's seen as initialized (index non-zero). */
c->bcast.index = 1;
c->base_fee = base_fee;
c->proportional_fee = proportional_fee;
c->delay = delay;
c->channel_flags = node_id_idx(from, to);
c->htlc_minimum = AMOUNT_MSAT(0);
c->htlc_maximum = AMOUNT_MSAT(100000 * 1000);
}
/* Returns chan connecting from and to: *idx set to refer
* to connection with src=from, dst=to */
static struct chan *find_channel(struct routing_state *rstate UNUSED,
const struct node *from,
const struct node *to,
int *idx)
{
struct chan_map_iter i;
struct chan *c;
*idx = node_id_idx(&from->id, &to->id);
for (c = first_chan(to, &i); c; c = next_chan(to, &i)) {
if (c->nodes[*idx] == from)
return c;
}
return NULL;
}
static struct half_chan *get_connection(struct routing_state *rstate,
const struct node_id *from_id,
const struct node_id *to_id)
{
int idx;
struct node *from, *to;
struct chan *c;
from = get_node(rstate, from_id);
to = get_node(rstate, to_id);
if (!from || ! to)
return NULL;
c = find_channel(rstate, from, to, &idx);
if (!c)
return NULL;
return &c->half[idx];
}
static bool channel_is_between(const struct chan *chan,
const struct node_id *a, const struct node_id *b)
{
if (node_id_eq(&chan->nodes[0]->id, a)
&& node_id_eq(&chan->nodes[1]->id, b))
return true;
if (node_id_eq(&chan->nodes[0]->id, b)
&& node_id_eq(&chan->nodes[1]->id, a))
return true;
return false;
}
int main(void)
{
setup_locale();
struct routing_state *rstate;
struct node_id a, b, c, d;
struct privkey tmp;
struct amount_msat fee;
struct chan **route;
const double riskfactor = 1.0 / BLOCKS_PER_YEAR / 10000;
secp256k1_ctx = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY
| SECP256K1_CONTEXT_SIGN);
setup_tmpctx();
memset(&tmp, 'a', sizeof(tmp));
node_id_from_privkey(&tmp, &a);
rstate = new_routing_state(tmpctx, &a, NULL, NULL, NULL, false, false);
new_node(rstate, &a);
memset(&tmp, 'b', sizeof(tmp));
node_id_from_privkey(&tmp, &b);
new_node(rstate, &b);
/* A<->B */
add_connection(rstate, &a, &b, 1, 1, 1);
route = find_route(tmpctx, rstate, &a, &b, AMOUNT_MSAT(1000), riskfactor, 0.0, NULL,
ROUTING_MAX_HOPS, &fee);
assert(route);
assert(tal_count(route) == 1);
assert(amount_msat_eq(fee, AMOUNT_MSAT(0)));
/* A<->B<->C */
memset(&tmp, 'c', sizeof(tmp));
node_id_from_privkey(&tmp, &c);
new_node(rstate, &c);
status_debug("A = %s", type_to_string(tmpctx, struct node_id, &a));
status_debug("B = %s", type_to_string(tmpctx, struct node_id, &b));
status_debug("C = %s", type_to_string(tmpctx, struct node_id, &c));
add_connection(rstate, &b, &c, 1, 1, 1);
route = find_route(tmpctx, rstate, &a, &c, AMOUNT_MSAT(1000), riskfactor, 0.0, NULL,
ROUTING_MAX_HOPS, &fee);
assert(route);
assert(tal_count(route) == 2);
assert(amount_msat_eq(fee, AMOUNT_MSAT(1)));
/* A<->D<->C: Lower base, higher percentage. */
memset(&tmp, 'd', sizeof(tmp));
node_id_from_privkey(&tmp, &d);
new_node(rstate, &d);
status_debug("D = %s", type_to_string(tmpctx, struct node_id, &d));
add_connection(rstate, &a, &d, 0, 2, 1);
add_connection(rstate, &d, &c, 0, 2, 1);
/* Will go via D for small amounts. */
route = find_route(tmpctx, rstate, &a, &c, AMOUNT_MSAT(1000), riskfactor, 0.0, NULL,
ROUTING_MAX_HOPS, &fee);
assert(route);
assert(tal_count(route) == 2);
assert(channel_is_between(route[0], &a, &d));
assert(channel_is_between(route[1], &d, &c));
assert(amount_msat_eq(fee, AMOUNT_MSAT(0)));
/* Will go via B for large amounts. */
route = find_route(tmpctx, rstate, &a, &c, AMOUNT_MSAT(3000000), riskfactor, 0.0, NULL,
ROUTING_MAX_HOPS, &fee);
assert(route);
assert(tal_count(route) == 2);
assert(channel_is_between(route[0], &a, &b));
assert(channel_is_between(route[1], &b, &c));
assert(amount_msat_eq(fee, AMOUNT_MSAT(1 + 3)));
/* Make B->C inactive, force it back via D */
get_connection(rstate, &b, &c)->channel_flags |= ROUTING_FLAGS_DISABLED;
route = find_route(tmpctx, rstate, &a, &c, AMOUNT_MSAT(3000000), riskfactor, 0.0, NULL,
ROUTING_MAX_HOPS, &fee);
assert(route);
assert(tal_count(route) == 2);
assert(channel_is_between(route[0], &a, &d));
assert(channel_is_between(route[1], &d, &c));
assert(amount_msat_eq(fee, AMOUNT_MSAT(0 + 6)));
tal_free(tmpctx);
secp256k1_context_destroy(secp256k1_ctx);
return 0;
}