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job_send.cpp
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job_send.cpp
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#include "stratum.h"
static int g_job_next_id = 0;
int job_get_jobid()
{
CommonLock(&g_job_create_mutex);
int jobid = ++g_job_next_id;
CommonUnlock(&g_job_create_mutex);
return jobid;
}
static void job_mining_notify_buffer(YAAMP_JOB *job, char *buffer)
{
YAAMP_JOB_TEMPLATE *templ = job->templ;
if (!strcmp(g_stratum_algo, "lbry")) {
sprintf(buffer, "{\"id\":null,\"method\":\"mining.notify\",\"params\":["
"\"%x\",\"%s\",\"%s\",\"%s\",\"%s\",[%s],\"%s\",\"%s\",\"%s\",true]}\n",
job->id, templ->prevhash_be, templ->claim_be, templ->coinb1, templ->coinb2,
templ->txmerkles, templ->version, templ->nbits, templ->ntime);
return;
} else if (strlen(templ->extradata_hex) == 128) {
// LUX smart contract state hashes (like lbry extra field, here the 2 root hashes in one)
sprintf(buffer, "{\"id\":null,\"method\":\"mining.notify\",\"params\":["
"\"%x\",\"%s\",\"%s\",\"%s\",\"%s\",[%s],\"%s\",\"%s\",\"%s\",true]}\n",
job->id, templ->prevhash_be, templ->extradata_be, templ->coinb1, templ->coinb2,
templ->txmerkles, templ->version, templ->nbits, templ->ntime);
return;
} else if (!strcmp(g_stratum_algo, "x16rt")) {
sprintf(buffer, "{\"id\":null,\"method\":\"mining.notify\",\"params\":["
"\"%x\",\"%s\",\"%s\",\"%s\",\"%s\",\"%s\",\"%s\",\"%s\",\"%s\",[%s],\"%s\",\"%s\",\"%s\",true]}\n",
job->id, templ->prevhash_be, templ->veil_accum10, templ->veil_accum100, templ->veil_accum1000, templ->veil_accum10000, templ->veil_pofn,
templ->coinb1, templ->coinb2, templ->txmerkles, templ->version, templ->nbits, templ->ntime);
// printf("%s\n",buffer);
return;
}
// standard stratum
sprintf(buffer, "{\"id\":null,\"method\":\"mining.notify\",\"params\":[\"%x\",\"%s\",\"%s\",\"%s\",[%s],\"%s\",\"%s\",\"%s\",true]}\n",
job->id, templ->prevhash_be, templ->coinb1, templ->coinb2, templ->txmerkles, templ->version, templ->nbits, templ->ntime);
}
static YAAMP_JOB *job_get_last(int coinid)
{
g_list_job.Enter();
for(CLI li = g_list_job.first; li; li = li->prev)
{
YAAMP_JOB *job = (YAAMP_JOB *)li->data;
if(!job_can_mine(job)) continue;
if(!job->coind) continue;
if(coinid > 0 && job->coind->id != coinid) continue;
g_list_job.Leave();
return job;
}
g_list_job.Leave();
return NULL;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////
void job_send_last(YAAMP_CLIENT *client)
{
#ifdef NO_EXCHANGE
// prefer user coin first (if available)
YAAMP_JOB *job = job_get_last(client->coinid);
if(!job) job = job_get_last(0);
#else
YAAMP_JOB *job = job_get_last(0);
#endif
if(!job) return;
YAAMP_JOB_TEMPLATE *templ = job->templ;
client->jobid_sent = job->id;
char buffer[YAAMP_SMALLBUFSIZE];
job_mining_notify_buffer(job, buffer);
socket_send_raw(client->sock, buffer, strlen(buffer));
}
void job_send_jobid(YAAMP_CLIENT *client, int jobid)
{
YAAMP_JOB *job = (YAAMP_JOB *)object_find(&g_list_job, jobid, true);
if(!job)
{
job_send_last(client);
return;
}
char buffer[YAAMP_SMALLBUFSIZE];
job_mining_notify_buffer(job, buffer);
YAAMP_JOB_TEMPLATE *templ = job->templ;
client->jobid_sent = job->id;
socket_send_raw(client->sock, buffer, strlen(buffer));
object_unlock(job);
}
////////////////////////////////////////////////////////////////////////////////////////////////////////
void job_broadcast(YAAMP_JOB *job)
{
int s1 = current_timestamp_dms();
int count = 0;
struct timeval timeout;
timeout.tv_sec = 0;
timeout.tv_usec = 100000; // max time to push to a socket (very fast)
YAAMP_JOB_TEMPLATE *templ = job->templ;
char buffer[YAAMP_SMALLBUFSIZE];
job_mining_notify_buffer(job, buffer);
g_list_client.Enter();
for(CLI li = g_list_client.first; li; li = li->next)
{
YAAMP_CLIENT *client = (YAAMP_CLIENT *)li->data;
if(client->deleted) continue;
if(!client->sock) continue;
// if(client->reconnecting && client->locked) continue;
if(client->jobid_next != job->id) continue;
if(client->jobid_sent == job->id) continue;
client->jobid_sent = job->id;
client_add_job_history(client, job->id);
client_adjust_difficulty(client);
setsockopt(client->sock->sock, SOL_SOCKET, SO_SNDTIMEO, &timeout, sizeof(timeout));
if (socket_send_raw(client->sock, buffer, strlen(buffer)) == -1) {
int err = errno;
client->broadcast_timeouts++;
// too much timeouts, disconnect him
if (client->broadcast_timeouts >= 3) {
shutdown(client->sock->sock, SHUT_RDWR);
clientlog(client, "unable to send job, sock err %d (%d times)", err, client->broadcast_timeouts);
if(client->workerid && !client->reconnecting) {
// CommonLock(&g_db_mutex);
db_clear_worker(g_db, client);
// CommonUnlock(&g_db_mutex);
}
object_delete(client);
}
}
count++;
}
g_list_client.Leave();
g_last_broadcasted = time(NULL);
int s2 = current_timestamp_dms();
if(!count) return;
///////////////////////
uint64_t coin_target = decode_compact(templ->nbits);
if (templ->nbits && !coin_target) coin_target = 0xFFFF000000000000ULL; // under decode_compact min diff
double coin_diff = target_to_diff(coin_target);
debuglog("%s %d - diff %.9f job %x to %d/%d/%d clients, hash %.3f/%.3f in %.1f ms\n", job->name,
templ->height, coin_diff, job->id, count, job->count, g_list_client.count, job->speed, job->maxspeed, 0.1*(s2-s1));
// for(int i=0; i<templ->auxs_size; i++)
// {
// if(!templ->auxs[i]) continue;
// YAAMP_COIND *coind_aux = templ->auxs[i]->coind;
//
// unsigned char target_aux[1024];
// binlify(target_aux, coind_aux->aux.target);
//
// uint64_t coin_target = get_hash_difficulty(target_aux);
// double coin_diff = target_to_diff(coin_target);
//
// debuglog("%s %d - diff %.9f chainid %d [%d]\n", coind_aux->symbol, coind_aux->height, coin_diff,
// coind_aux->aux.chainid, coind_aux->aux.index);
// }
}
// double maxhash = 0;
// if(job->remote)
// {
// sprintf(name, "JOB%d%s (%.3f)", job->remote->id, job->remote->nonce2size == 2? "*": "", job->remote->speed_avg);
// maxhash = job->remote->speed;
// }
// else
// {
// strcpy(name, job->coind->symbol);
// for(int i=0; i<templ->auxs_size; i++)
// {
// if(!templ->auxs[i]) continue;
// YAAMP_COIND *coind_aux = templ->auxs[i]->coind;
//
// sprintf(name_auxs+strlen(name_auxs), ", %s %d", coind_aux->symbol, templ->auxs[i]->height);
// }
//
// maxhash = coind_nethash(job->coind)*coind_profitability(job->coind)/(g_current_algo->profit? g_current_algo->profit: 1);
// }