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nip13: commit to difficulty

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Signed-off-by: William Casarin <jb55@jb55.com>
This commit is contained in:
William Casarin 2022-05-05 16:50:08 -07:00
parent 6ecdc257ba
commit a53062b84a
1 changed files with 23 additions and 8 deletions
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31
nostril.c
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@ -348,20 +348,30 @@ static int parse_num(const char *arg, uint64_t *t)
return errno != EINVAL; return errno != EINVAL;
} }
static int nostr_add_tag(struct nostr_event *ev, const char *t1, const char *t2) static int nostr_add_tag_n(struct nostr_event *ev, const char **ts, int n_ts)
{ {
int i;
struct nostr_tag *tag; struct nostr_tag *tag;
if (ev->num_tags + 1 > MAX_TAGS) if (ev->num_tags + 1 > MAX_TAGS)
return 0; return 0;
tag = &ev->tags[ev->num_tags++]; tag = &ev->tags[ev->num_tags++];
tag->strs[0] = t1;
tag->strs[1] = t2; tag->num_elems = n_ts;
tag->num_elems = 2; for (i = 0; i < n_ts; i++) {
tag->strs[i] = ts[i];
}
return 1; return 1;
} }
static int nostr_add_tag(struct nostr_event *ev, const char *t1, const char *t2)
{
const char *ts[] = {t1, t2};
return nostr_add_tag_n(ev, ts, 2);
}
static int parse_args(int argc, const char *argv[], struct args *args, struct nostr_event *ev) static int parse_args(int argc, const char *argv[], struct args *args, struct nostr_event *ev)
{ {
@ -508,8 +518,9 @@ static int copyx(unsigned char *output, const unsigned char *x32, const unsigned
return 1; return 1;
} }
static int ensure_nonce_tag(struct nostr_event *ev, int *index) static int ensure_nonce_tag(struct nostr_event *ev, int target, int *index)
{ {
char *str_target = malloc(8);
struct nostr_tag *tag; struct nostr_tag *tag;
int i; int i;
@ -522,7 +533,11 @@ static int ensure_nonce_tag(struct nostr_event *ev, int *index)
} }
*index = ev->num_tags; *index = ev->num_tags;
return nostr_add_tag(ev, "nonce", "0");
snprintf(str_target, 7, "%d", target);
const char *ts[] = { "nonce", "0", str_target };
return nostr_add_tag_n(ev, ts, 3);
} }
static int mine_event(struct nostr_event *ev, int difficulty) static int mine_event(struct nostr_event *ev, int difficulty)
@ -532,11 +547,11 @@ static int mine_event(struct nostr_event *ev, int difficulty)
uint64_t nonce; uint64_t nonce;
int index, res; int index, res;
if (!ensure_nonce_tag(ev, &index)) if (!ensure_nonce_tag(ev, difficulty, &index))
return 0; return 0;
tag = &ev->tags[index]; tag = &ev->tags[index];
assert(tag->num_elems == 2); assert(tag->num_elems == 3);
assert(!strcmp(tag->strs[0], "nonce")); assert(!strcmp(tag->strs[0], "nonce"));
tag->strs[1] = strnonce; tag->strs[1] = strnonce;