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count mined pubkey bits

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Signed-off-by: William Casarin <jb55@jb55.com>
This commit is contained in:
William Casarin 2022-08-30 08:24:38 -07:00
parent 1411b0a692
commit 13985950fd
1 changed files with 3 additions and 2 deletions
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5
nostril.c
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@ -251,6 +251,7 @@ static int generate_key(secp256k1_context *ctx, struct key *key, int *difficulty
{ {
uint64_t attempts = 0; uint64_t attempts = 0;
uint64_t duration; uint64_t duration;
int bits;
double pers; double pers;
struct timespec t1, t2; struct timespec t1, t2;
@ -272,11 +273,11 @@ static int generate_key(secp256k1_context *ctx, struct key *key, int *difficulty
attempts++; attempts++;
if (count_leading_zero_bits(key->pubkey) >= *difficulty) { if ((bits = count_leading_zero_bits(key->pubkey)) >= *difficulty) {
clock_gettime(CLOCK_MONOTONIC, &t2); clock_gettime(CLOCK_MONOTONIC, &t2);
duration = ((t2.tv_sec - t1.tv_sec) * 1e9L + (t2.tv_nsec - t1.tv_nsec)) / 1e6L; duration = ((t2.tv_sec - t1.tv_sec) * 1e9L + (t2.tv_nsec - t1.tv_nsec)) / 1e6L;
pers = (double)attempts / (double)duration; pers = (double)attempts / (double)duration;
fprintf(stderr, "mined pubkey after %" PRIu64 " attempts, %" PRId64 " ms, %f attempts per ms\n", attempts, duration, pers); fprintf(stderr, "mined pubkey with %d bits after %" PRIu64 " attempts, %" PRId64 " ms, %f attempts per ms\n", bits, attempts, duration, pers);
return 1; return 1;
} }