247 lines
9.9 KiB
C
247 lines
9.9 KiB
C
#include "../routing.c"
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#include "../gossip_store.c"
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#include <stdio.h>
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struct broadcast_state *new_broadcast_state(tal_t *ctx UNNEEDED)
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{
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return NULL;
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}
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void status_fmt(enum log_level level UNUSED, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vprintf(fmt, ap);
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printf("\n");
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va_end(ap);
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}
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/* AUTOGENERATED MOCKS START */
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/* Generated stub for fromwire_channel_announcement */
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bool fromwire_channel_announcement(const tal_t *ctx UNNEEDED, const void *p UNNEEDED, secp256k1_ecdsa_signature *node_signature_1 UNNEEDED, secp256k1_ecdsa_signature *node_signature_2 UNNEEDED, secp256k1_ecdsa_signature *bitcoin_signature_1 UNNEEDED, secp256k1_ecdsa_signature *bitcoin_signature_2 UNNEEDED, u8 **features UNNEEDED, struct bitcoin_blkid *chain_hash UNNEEDED, struct short_channel_id *short_channel_id UNNEEDED, struct pubkey *node_id_1 UNNEEDED, struct pubkey *node_id_2 UNNEEDED, struct pubkey *bitcoin_key_1 UNNEEDED, struct pubkey *bitcoin_key_2 UNNEEDED)
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{ fprintf(stderr, "fromwire_channel_announcement called!\n"); abort(); }
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/* Generated stub for fromwire_channel_update */
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bool fromwire_channel_update(const void *p UNNEEDED, secp256k1_ecdsa_signature *signature UNNEEDED, struct bitcoin_blkid *chain_hash UNNEEDED, struct short_channel_id *short_channel_id UNNEEDED, u32 *timestamp UNNEEDED, u16 *flags UNNEEDED, u16 *cltv_expiry_delta UNNEEDED, u64 *htlc_minimum_msat UNNEEDED, u32 *fee_base_msat UNNEEDED, u32 *fee_proportional_millionths UNNEEDED)
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{ fprintf(stderr, "fromwire_channel_update called!\n"); abort(); }
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/* Generated stub for fromwire_gossip_store_channel_announcement */
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bool fromwire_gossip_store_channel_announcement(const tal_t *ctx UNNEEDED, const void *p UNNEEDED, u8 **announcement UNNEEDED, u64 *satoshis UNNEEDED)
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{ fprintf(stderr, "fromwire_gossip_store_channel_announcement called!\n"); abort(); }
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/* Generated stub for fromwire_gossip_store_channel_delete */
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bool fromwire_gossip_store_channel_delete(const void *p UNNEEDED, struct short_channel_id *short_channel_id UNNEEDED)
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{ fprintf(stderr, "fromwire_gossip_store_channel_delete called!\n"); abort(); }
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/* Generated stub for fromwire_gossip_store_channel_update */
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bool fromwire_gossip_store_channel_update(const tal_t *ctx UNNEEDED, const void *p UNNEEDED, u8 **update UNNEEDED)
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{ fprintf(stderr, "fromwire_gossip_store_channel_update called!\n"); abort(); }
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/* Generated stub for fromwire_gossip_store_node_announcement */
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bool fromwire_gossip_store_node_announcement(const tal_t *ctx UNNEEDED, const void *p UNNEEDED, u8 **announcement UNNEEDED)
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{ fprintf(stderr, "fromwire_gossip_store_node_announcement called!\n"); abort(); }
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/* Generated stub for fromwire_node_announcement */
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bool fromwire_node_announcement(const tal_t *ctx UNNEEDED, const void *p UNNEEDED, secp256k1_ecdsa_signature *signature UNNEEDED, u8 **features UNNEEDED, u32 *timestamp UNNEEDED, struct pubkey *node_id UNNEEDED, u8 rgb_color[3] UNNEEDED, u8 alias[32] UNNEEDED, u8 **addresses UNNEEDED)
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{ fprintf(stderr, "fromwire_node_announcement called!\n"); abort(); }
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/* Generated stub for fromwire_peektype */
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int fromwire_peektype(const u8 *cursor UNNEEDED)
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{ fprintf(stderr, "fromwire_peektype called!\n"); abort(); }
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/* Generated stub for fromwire_u8 */
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u8 fromwire_u8(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
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{ fprintf(stderr, "fromwire_u8 called!\n"); abort(); }
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/* Generated stub for fromwire_wireaddr */
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bool fromwire_wireaddr(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, struct wireaddr *addr UNNEEDED)
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{ fprintf(stderr, "fromwire_wireaddr called!\n"); abort(); }
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/* Generated stub for onion_type_name */
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const char *onion_type_name(int e UNNEEDED)
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{ fprintf(stderr, "onion_type_name called!\n"); abort(); }
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/* Generated stub for replace_broadcast */
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bool replace_broadcast(const tal_t *ctx UNNEEDED,
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struct broadcast_state *bstate UNNEEDED,
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u64 *index UNNEEDED,
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const u8 *payload TAKES UNNEEDED)
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{ fprintf(stderr, "replace_broadcast called!\n"); abort(); }
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/* Generated stub for sanitize_error */
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char *sanitize_error(const tal_t *ctx UNNEEDED, const u8 *errmsg UNNEEDED,
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struct channel_id *channel_id UNNEEDED)
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{ fprintf(stderr, "sanitize_error called!\n"); abort(); }
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/* Generated stub for status_failed */
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void status_failed(enum status_failreason code UNNEEDED,
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const char *fmt UNNEEDED, ...)
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{ fprintf(stderr, "status_failed called!\n"); abort(); }
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/* Generated stub for towire_errorfmt */
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u8 *towire_errorfmt(const tal_t *ctx UNNEEDED,
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const struct channel_id *channel UNNEEDED,
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const char *fmt UNNEEDED, ...)
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{ fprintf(stderr, "towire_errorfmt called!\n"); abort(); }
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/* Generated stub for towire_gossip_store_channel_announcement */
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u8 *towire_gossip_store_channel_announcement(const tal_t *ctx UNNEEDED, const u8 *announcement UNNEEDED, u64 satoshis UNNEEDED)
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{ fprintf(stderr, "towire_gossip_store_channel_announcement called!\n"); abort(); }
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/* Generated stub for towire_gossip_store_channel_delete */
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u8 *towire_gossip_store_channel_delete(const tal_t *ctx UNNEEDED, const struct short_channel_id *short_channel_id UNNEEDED)
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{ fprintf(stderr, "towire_gossip_store_channel_delete called!\n"); abort(); }
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/* Generated stub for towire_gossip_store_channel_update */
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u8 *towire_gossip_store_channel_update(const tal_t *ctx UNNEEDED, const u8 *update UNNEEDED)
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{ fprintf(stderr, "towire_gossip_store_channel_update called!\n"); abort(); }
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/* Generated stub for towire_gossip_store_node_announcement */
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u8 *towire_gossip_store_node_announcement(const tal_t *ctx UNNEEDED, const u8 *announcement UNNEEDED)
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{ fprintf(stderr, "towire_gossip_store_node_announcement called!\n"); abort(); }
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/* AUTOGENERATED MOCKS END */
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/* Updates existing route if required. */
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static struct half_chan *add_connection(struct routing_state *rstate,
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const struct pubkey *from,
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const struct pubkey *to,
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u32 base_fee, s32 proportional_fee,
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u32 delay)
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{
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struct short_channel_id scid;
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struct half_chan *c;
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struct chan *chan;
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/* Make a unique scid. */
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memcpy(&scid, from, sizeof(scid) / 2);
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memcpy((char *)&scid + sizeof(scid) / 2, to, sizeof(scid) / 2);
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chan = get_channel(rstate, &scid);
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if (!chan)
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chan = new_chan(rstate, &scid, from, to);
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c = &chan->half[pubkey_idx(from, to)];
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c->base_fee = base_fee;
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c->proportional_fee = proportional_fee;
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c->delay = delay;
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c->active = true;
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c->flags = get_channel_direction(from, to);
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return c;
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}
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/* Returns chan connecting from and to: *idx set to refer
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* to connection with src=from, dst=to */
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static struct chan *find_channel(struct routing_state *rstate UNUSED,
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const struct node *from,
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const struct node *to,
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int *idx)
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{
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int i, n;
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*idx = pubkey_idx(&from->id, &to->id);
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n = tal_count(to->chans);
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for (i = 0; i < n; i++) {
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if (to->chans[i]->nodes[*idx] == from)
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return to->chans[i];
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}
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return NULL;
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}
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static struct half_chan *get_connection(struct routing_state *rstate,
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const struct pubkey *from_id,
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const struct pubkey *to_id)
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{
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int idx;
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struct node *from, *to;
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struct chan *c;
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from = get_node(rstate, from_id);
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to = get_node(rstate, to_id);
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if (!from || ! to)
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return NULL;
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c = find_channel(rstate, from, to, &idx);
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if (!c)
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return NULL;
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return &c->half[idx];
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}
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static bool channel_is_between(const struct chan *chan,
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const struct pubkey *a, const struct pubkey *b)
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{
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if (pubkey_eq(&chan->nodes[0]->id, a)
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&& pubkey_eq(&chan->nodes[1]->id, b))
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return true;
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if (pubkey_eq(&chan->nodes[0]->id, b)
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&& pubkey_eq(&chan->nodes[1]->id, a))
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return true;
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return false;
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}
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int main(void)
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{
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static const struct bitcoin_blkid zerohash;
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struct routing_state *rstate;
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struct pubkey a, b, c, d;
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struct privkey tmp;
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u64 fee;
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struct chan **route;
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const double riskfactor = 1.0 / BLOCKS_PER_YEAR / 10000;
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secp256k1_ctx = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY
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| SECP256K1_CONTEXT_SIGN);
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setup_tmpctx();
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memset(&tmp, 'a', sizeof(tmp));
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pubkey_from_privkey(&tmp, &a);
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rstate = new_routing_state(tmpctx, &zerohash, &a, 0);
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new_node(rstate, &a);
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memset(&tmp, 'b', sizeof(tmp));
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pubkey_from_privkey(&tmp, &b);
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new_node(rstate, &b);
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/* A<->B */
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add_connection(rstate, &a, &b, 1, 1, 1);
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route = find_route(tmpctx, rstate, &a, &b, 1000, riskfactor, 0.0, NULL, &fee);
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assert(tal_count(route) == 1);
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assert(fee == 0);
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/* A<->B<->C */
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memset(&tmp, 'c', sizeof(tmp));
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pubkey_from_privkey(&tmp, &c);
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new_node(rstate, &c);
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status_trace("A = %s", type_to_string(tmpctx, struct pubkey, &a));
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status_trace("B = %s", type_to_string(tmpctx, struct pubkey, &b));
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status_trace("C = %s", type_to_string(tmpctx, struct pubkey, &c));
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add_connection(rstate, &b, &c, 1, 1, 1);
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route = find_route(tmpctx, rstate, &a, &c, 1000, riskfactor, 0.0, NULL, &fee);
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assert(tal_count(route) == 2);
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assert(fee == 1);
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/* A<->D<->C: Lower base, higher percentage. */
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memset(&tmp, 'd', sizeof(tmp));
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pubkey_from_privkey(&tmp, &d);
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new_node(rstate, &d);
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status_trace("D = %s", type_to_string(tmpctx, struct pubkey, &d));
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add_connection(rstate, &a, &d, 0, 2, 1);
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add_connection(rstate, &d, &c, 0, 2, 1);
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/* Will go via D for small amounts. */
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route = find_route(tmpctx, rstate, &a, &c, 1000, riskfactor, 0.0, NULL, &fee);
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assert(tal_count(route) == 2);
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assert(channel_is_between(route[0], &a, &d));
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assert(channel_is_between(route[1], &d, &c));
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assert(fee == 0);
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/* Will go via B for large amounts. */
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route = find_route(tmpctx, rstate, &a, &c, 3000000, riskfactor, 0.0, NULL, &fee);
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assert(tal_count(route) == 2);
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assert(channel_is_between(route[0], &a, &b));
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assert(channel_is_between(route[1], &b, &c));
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assert(fee == 1 + 3);
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/* Make B->C inactive, force it back via D */
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get_connection(rstate, &b, &c)->active = false;
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route = find_route(tmpctx, rstate, &a, &c, 3000000, riskfactor, 0.0, NULL, &fee);
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assert(tal_count(route) == 2);
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assert(channel_is_between(route[0], &a, &d));
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assert(channel_is_between(route[1], &d, &c));
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assert(fee == 0 + 6);
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tal_free(tmpctx);
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secp256k1_context_destroy(secp256k1_ctx);
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return 0;
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}
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