mempool/ckpool
mempool/ckpool
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 2 Wiki Activity

Start assembling submit data to test its hash difficulty

Browse Source
This commit is contained in:
Con Kolivas 2014-04-27 14:43:25 +10:00
parent 270d540294
commit 63008c6c0d
1 changed files with 48 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
src/stratifier.c
View File

@ -54,6 +54,7 @@ struct workbase {
char *txn_data;
int merkles;
char merklehash[16][68];
char merklebin[16][32];
json_t *merkle_array;
/* Template variables, lengths are binary lengths! */
@ -318,6 +319,7 @@ static void update_base(ckpool_t *ckp)
arr = json_object_get(val, "merklehash");
for (i = 0; i < wb->merkles; i++) {
strcpy(&wb->merklehash[i][0], json_string_value(json_array_get(arr, i)));
hex2bin(&wb->merklebin[i][0], &wb->merklehash[i][0], 32);
json_array_append(wb->merkle_array, json_string(&wb->merklehash[i][0]));
}
}
@ -726,12 +728,49 @@ static void add_submit_fail(stratum_instance_t *client, int diff)
add_submit(client, diff);
}
static double submit_diff(stratum_instance_t *client, workbase_t *wb, const char *nonce2,
const char *ntime, const char *nonce)
{
unsigned char merkle_root[32], merkle_sha[64];
uint32_t *data32, *swap32;
uchar coinbase[256];
double ret = 0.0;
int cblen = 0, i;
char data[112];
memcpy(coinbase, wb->coinb1bin, wb->coinb1len);
cblen += wb->coinb1len;
memcpy(coinbase + cblen, client->enonce1bin, wb->enonce1varlen);
cblen += wb->enonce1varlen;
hex2bin(coinbase + cblen, nonce2, wb->enonce2varlen);
cblen += wb->enonce2varlen;
memcpy(coinbase + cblen, wb->coinb2bin, wb->coinb2len);
cblen += wb->coinb2len;
gen_hash(coinbase, merkle_root, cblen);
memcpy(merkle_sha, merkle_root, 32);
for (i = 0; i < wb->merkles; i++) {
memcpy(merkle_sha + 32, &wb->merklebin[i], 32);
gen_hash(merkle_sha, merkle_root, 64);
memcpy(merkle_sha, merkle_root, 32);
}
data32 = (uint32_t *)merkle_sha;
swap32 = (uint32_t *)merkle_root;
flip_32(swap32, data32);
memcpy(data, wb->headerbin, 112);
memcpy(data + 36, merkle_root, 32);
return ret;
}
static json_t *parse_submit(stratum_instance_t *client, json_t *json_msg,
json_t *params_val, json_t **err_val)
{
const char *user, *job_id, *nonce2, *ntime, *nonce;
bool ret = false;
workbase_t *wb;
double diff;
int id;
if (unlikely(!json_is_array(params_val))) {
@ -776,18 +815,22 @@ static json_t *parse_submit(stratum_instance_t *client, json_t *json_msg,
ck_rlock(&workbase_lock);
HASH_FIND_INT(workbases, &id, wb);
if (unlikely(!wb)) {
ck_runlock(&workbase_lock);
json_object_set_nocheck(json_msg, "reject-reason", json_string("Invalid JobID"));
goto out;
goto out_unlock;
}
if (id < blockchange_id) {
ck_runlock(&workbase_lock);
json_object_set_nocheck(json_msg, "reject-reason", json_string("Stale"));
goto out;
goto out_unlock;
}
if ((int)strlen(nonce2) != wb->enonce2varlen * 2) {
*err_val = json_string("Invalid nonce2 length");
goto out_unlock;
}
diff = submit_diff(client, wb, nonce2, ntime, nonce);
ret = true;
out_unlock:
ck_runlock(&workbase_lock);
ret = true;
out:
if (ret) {
int diff;