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cpu-miner.c
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/*
* Copyright 2010 Jeff Garzik
* Copyright 2012-2014 pooler
* Copyright 2014 Lucas Jones
* Copyright 2014 Tanguy Pruvot
* Copyright 2016 Jay D Dee
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version. See COPYING for more details.
*/
/*
* Change log
*
* 2016-01-14: v 1.9-RC inititial limited release combining
* cpuminer-multi 1.2-prev, darkcoin-cpu-miner 1.3,
* and cp3u 2.3.2 plus some performance optimizations.
*
* 2016-02-04: v3.1 algo_gate implemntation
*/
#include <cpuminer-config.h>
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <inttypes.h>
#include <unistd.h>
#include <sys/time.h>
#include <time.h>
#include <signal.h>
#include <memory.h>
#include <curl/curl.h>
#include <jansson.h>
#include <openssl/sha.h>
#ifdef _MSC_VER
#include <windows.h>
#include <stdint.h>
#else
#include <errno.h>
#if HAVE_SYS_SYSCTL_H
#include <sys/types.h>
#if HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#include <sys/sysctl.h>
#endif
#endif
#ifndef WIN32
#include <sys/resource.h>
#endif
#include "miner.h"
#include "algo-gate-api.h"
#ifdef WIN32
#include "compat/winansi.h"
//BOOL WINAPI ConsoleHandler(DWORD);
#endif
#ifdef _MSC_VER
#include <Mmsystem.h>
#pragma comment(lib, "winmm.lib")
#endif
#define LP_SCANTIME 60
algo_gate_t algo_gate;
bool opt_debug = false;
bool opt_debug_diff = false;
bool opt_protocol = false;
bool opt_benchmark = false;
bool opt_redirect = true;
bool opt_showdiff = false;
bool opt_extranonce = true;
bool want_longpoll = true;
bool have_longpoll = false;
bool have_gbt = true;
bool allow_getwork = true;
bool want_stratum = true;
bool have_stratum = false;
bool allow_mininginfo = true;
bool use_syslog = false;
bool use_colors = true;
static bool opt_background = false;
bool opt_quiet = false;
bool opt_randomize = false;
static int opt_retries = -1;
static int opt_fail_pause = 10;
static int opt_time_limit = 0;
int opt_timeout = 300;
static int opt_scantime = 5;
static const bool opt_time = true;
enum algos opt_algo = ALGO_NULL;
int opt_scrypt_n = 1024;
int opt_pluck_n = 128;
unsigned int opt_nfactor = 0;
int opt_n_threads = 0;
int64_t opt_affinity = -1L;
int opt_priority = 0;
int num_cpus;
char *rpc_url;
char *rpc_userpass;
char *rpc_user, *rpc_pass;
char *short_url = NULL;
static unsigned char pk_script[25] = { 0 };
static size_t pk_script_size = 0;
static char coinbase_sig[101] = { 0 };
char *opt_cert;
char *opt_proxy;
long opt_proxy_type;
struct thr_info *thr_info;
int work_thr_id;
int longpoll_thr_id = -1;
int stratum_thr_id = -1;
int api_thr_id = -1;
bool stratum_need_reset = false;
struct work_restart *work_restart = NULL;
struct stratum_ctx stratum;
bool jsonrpc_2 = false;
char rpc2_id[64] = "";
char *rpc2_blob = NULL;
size_t rpc2_bloblen = 0;
uint32_t rpc2_target = 0;
char *rpc2_job_id = NULL;
double opt_diff_factor = 1.0;
uint32_t zr5_pok = 0;
uint32_t accepted_count = 0L;
uint32_t rejected_count = 0L;
double *thr_hashrates;
double *thr_hashcount;
double global_hashcount = 0;
double global_hashrate = 0;
double stratum_diff = 0.;
double net_diff = 0.;
double net_hashrate = 0.;
uint64_t net_blocks = 0;
// conditional mining
bool conditional_state[MAX_CPUS] = { 0 };
double opt_max_temp = 0.0;
double opt_max_diff = 0.0;
double opt_max_rate = 0.0;
uint32_t opt_work_size = 0;
char *opt_api_allow = NULL;
int opt_api_remote = 0;
int opt_api_listen = 4048;
pthread_mutex_t rpc2_job_lock;
pthread_mutex_t rpc2_login_lock;
pthread_mutex_t applog_lock;
pthread_mutex_t stats_lock;
static char const short_options[] =
#ifdef HAVE_SYSLOG_H
"S"
#endif
"a:b:Bc:CDf:hm:n:p:Px:qr:R:s:t:T:o:u:O:V";
static struct work g_work = {{ 0 }};
//static struct work tmp_work;
static time_t g_work_time = 0;
static pthread_mutex_t g_work_lock;
static bool submit_old = false;
static char* lp_id;
static void workio_cmd_free(struct workio_cmd *wc);
#ifdef __linux /* Linux specific policy and affinity management */
#include <sched.h>
static inline void drop_policy(void)
{
struct sched_param param;
param.sched_priority = 0;
#ifdef SCHED_IDLE
if (unlikely(sched_setscheduler(0, SCHED_IDLE, ¶m) == -1))
#endif
#ifdef SCHED_BATCH
sched_setscheduler(0, SCHED_BATCH, ¶m);
#endif
}
#ifdef __BIONIC__
#define pthread_setaffinity_np(tid,sz,s) {} /* only do process affinity */
#endif
static void affine_to_cpu_mask(int id, unsigned long mask) {
cpu_set_t set;
CPU_ZERO(&set);
for (uint8_t i = 0; i < num_cpus; i++) {
// cpu mask
if (mask & (1UL<<i)) { CPU_SET(i, &set); }
}
if (id == -1) {
// process affinity
sched_setaffinity(0, sizeof(&set), &set);
} else {
// thread only
pthread_setaffinity_np(thr_info[id].pth, sizeof(&set), &set);
}
}
#elif defined(WIN32) /* Windows */
static inline void drop_policy(void) { }
static void affine_to_cpu_mask(int id, unsigned long mask) {
if (id == -1)
SetProcessAffinityMask(GetCurrentProcess(), mask);
else
SetThreadAffinityMask(GetCurrentThread(), mask);
}
#else
static inline void drop_policy(void) { }
static void affine_to_cpu_mask(int id, unsigned long mask) { }
#endif
void get_currentalgo(char* buf, int sz)
{
snprintf(buf, sz, "%s", algo_names[opt_algo]);
}
void proper_exit(int reason)
{
#ifdef WIN32
if (opt_background) {
HWND hcon = GetConsoleWindow();
if (hcon) {
// unhide parent command line windows
ShowWindow(hcon, SW_SHOWMINNOACTIVE);
}
}
#endif
exit(reason);
}
void work_free(struct work *w)
{
if (w->txs) free(w->txs);
if (w->workid) free(w->workid);
if (w->job_id) free(w->job_id);
if (w->xnonce2) free(w->xnonce2);
}
void work_copy(struct work *dest, const struct work *src)
{
memcpy(dest, src, sizeof(struct work));
if (src->txs)
dest->txs = strdup(src->txs);
if (src->workid)
dest->workid = strdup(src->workid);
if (src->job_id)
dest->job_id = strdup(src->job_id);
if (src->xnonce2) {
dest->xnonce2 = (uchar*) malloc(src->xnonce2_len);
memcpy(dest->xnonce2, src->xnonce2, src->xnonce2_len);
}
}
static bool work_decode(const json_t *val, struct work *work)
{
if ( !algo_gate.work_decode( val, work ) )
return false;
if ((opt_showdiff || opt_max_diff > 0.) && !allow_mininginfo)
algo_gate.calc_network_diff( work );
work->targetdiff = target_to_diff(work->target);
// for api stats, on longpoll pools
stratum_diff = work->targetdiff;
algo_gate.display_pok( work, &net_blocks );
return true;
}
// good alternative for wallet mining, difficulty and net hashrate
static const char *info_req =
"{\"method\": \"getmininginfo\", \"params\": [], \"id\":8}\r\n";
static bool get_mininginfo(CURL *curl, struct work *work)
{
if (have_stratum || !allow_mininginfo)
return false;
int curl_err = 0;
json_t *val = json_rpc_call(curl, rpc_url, rpc_userpass, info_req, &curl_err, 0);
if (!val && curl_err == -1) {
allow_mininginfo = false;
if (opt_debug) {
applog(LOG_DEBUG, "getmininginfo not supported");
}
return false;
}
else
{
json_t *res = json_object_get(val, "result");
// "blocks": 491493 (= current work height - 1)
// "difficulty": 0.99607860999999998
// "networkhashps": 56475980
if (res)
{
json_t *key = json_object_get(res, "difficulty");
if (key) {
if (json_is_object(key))
key = json_object_get(key, "proof-of-work");
if (json_is_real(key))
net_diff = json_real_value(key);
}
key = json_object_get(res, "networkhashps");
if (key && json_is_integer(key)) {
net_hashrate = (double) json_integer_value(key);
}
key = json_object_get(res, "blocks");
if (key && json_is_integer(key)) {
net_blocks = json_integer_value(key);
}
if (!work->height)
{
// complete missing data from getwork
work->height = (uint32_t) net_blocks + 1;
if (work->height > g_work.height)
{
restart_threads();
if (!opt_quiet) {
char netinfo[64] = { 0 };
char srate[32] = { 0 };
sprintf(netinfo, "diff %.2f", net_diff);
if (net_hashrate) {
format_hashrate(net_hashrate, srate);
strcat(netinfo, ", net ");
strcat(netinfo, srate);
}
applog(LOG_BLUE, "%s block %d, %s",
algo_names[opt_algo], work->height, netinfo);
}
}
}
}
}
json_decref(val);
return true;
}
#define BLOCK_VERSION_CURRENT 3
static bool gbt_work_decode(const json_t *val, struct work *work)
{
int i, n;
uint32_t version, curtime, bits;
uint32_t prevhash[8];
uint32_t target[8];
int cbtx_size;
uchar *cbtx = NULL;
int tx_count, tx_size;
uchar txc_vi[9];
uchar(*merkle_tree)[32] = NULL;
bool coinbase_append = false;
bool submit_coinbase = false;
bool version_force = false;
bool version_reduce = false;
json_t *tmp, *txa;
bool rc = false;
tmp = json_object_get(val, "mutable");
if (tmp && json_is_array(tmp)) {
n = (int) json_array_size(tmp);
for (i = 0; i < n; i++) {
const char *s = json_string_value(json_array_get(tmp, i));
if (!s)
continue;
if (!strcmp(s, "coinbase/append"))
coinbase_append = true;
else if (!strcmp(s, "submit/coinbase"))
submit_coinbase = true;
else if (!strcmp(s, "version/force"))
version_force = true;
else if (!strcmp(s, "version/reduce"))
version_reduce = true;
}
}
tmp = json_object_get(val, "height");
if (!tmp || !json_is_integer(tmp)) {
applog(LOG_ERR, "JSON invalid height");
goto out;
}
work->height = (int) json_integer_value(tmp);
applog(LOG_BLUE, "Current block is %d", work->height);
tmp = json_object_get(val, "version");
if (!tmp || !json_is_integer(tmp)) {
applog(LOG_ERR, "JSON invalid version");
goto out;
}
version = (uint32_t) json_integer_value(tmp);
if ((version & 0xffU) > BLOCK_VERSION_CURRENT) {
if (version_reduce) {
version = (version & ~0xffU) | BLOCK_VERSION_CURRENT;
} else if (have_gbt && allow_getwork && !version_force) {
applog(LOG_DEBUG, "Switching to getwork, gbt version %d",
version);
have_gbt = false;
goto out;
} else if (!version_force) {
applog(LOG_ERR, "Unrecognized block version: %u", version);
goto out;
}
}
if ( unlikely( !jobj_binary(val, "previousblockhash", prevhash,
sizeof(prevhash)) ) )
{
applog(LOG_ERR, "JSON invalid previousblockhash");
goto out;
}
tmp = json_object_get(val, "curtime");
if (!tmp || !json_is_integer(tmp)) {
applog(LOG_ERR, "JSON invalid curtime");
goto out;
}
curtime = (uint32_t) json_integer_value(tmp);
if (unlikely(!jobj_binary(val, "bits", &bits, sizeof(bits)))) {
applog(LOG_ERR, "JSON invalid bits");
goto out;
}
/* find count and size of transactions */
txa = json_object_get(val, "transactions");
if (!txa || !json_is_array(txa)) {
applog(LOG_ERR, "JSON invalid transactions");
goto out;
}
tx_count = (int) json_array_size(txa);
tx_size = 0;
for (i = 0; i < tx_count; i++) {
const json_t *tx = json_array_get(txa, i);
const char *tx_hex = json_string_value(json_object_get(tx, "data"));
if (!tx_hex) {
applog(LOG_ERR, "JSON invalid transactions");
goto out;
}
tx_size += (int) (strlen(tx_hex) / 2);
}
/* build coinbase transaction */
tmp = json_object_get(val, "coinbasetxn");
if (tmp) {
const char *cbtx_hex = json_string_value(json_object_get(tmp, "data"));
cbtx_size = cbtx_hex ? (int) strlen(cbtx_hex) / 2 : 0;
cbtx = (uchar*) malloc(cbtx_size + 100);
if (cbtx_size < 60 || !hex2bin(cbtx, cbtx_hex, cbtx_size)) {
applog(LOG_ERR, "JSON invalid coinbasetxn");
goto out;
}
} else {
int64_t cbvalue;
if (!pk_script_size) {
if (allow_getwork) {
applog(LOG_INFO, "No payout address provided, switching to getwork");
have_gbt = false;
} else
applog(LOG_ERR, "No payout address provided");
goto out;
}
tmp = json_object_get(val, "coinbasevalue");
if (!tmp || !json_is_number(tmp)) {
applog(LOG_ERR, "JSON invalid coinbasevalue");
goto out;
}
cbvalue = (int64_t) (json_is_integer(tmp) ? json_integer_value(tmp) : json_number_value(tmp));
cbtx = (uchar*) malloc(256);
le32enc((uint32_t *)cbtx, 1); /* version */
cbtx[4] = 1; /* in-counter */
memset(cbtx+5, 0x00, 32); /* prev txout hash */
le32enc((uint32_t *)(cbtx+37), 0xffffffff); /* prev txout index */
cbtx_size = 43;
/* BIP 34: height in coinbase */
for (n = work->height; n; n >>= 8)
cbtx[cbtx_size++] = n & 0xff;
cbtx[42] = cbtx_size - 43;
cbtx[41] = cbtx_size - 42; /* scriptsig length */
le32enc((uint32_t *)(cbtx+cbtx_size), 0xffffffff); /* sequence */
cbtx_size += 4;
cbtx[cbtx_size++] = 1; /* out-counter */
le32enc((uint32_t *)(cbtx+cbtx_size), (uint32_t)cbvalue); /* value */
le32enc((uint32_t *)(cbtx+cbtx_size+4), cbvalue >> 32);
cbtx_size += 8;
cbtx[cbtx_size++] = (uint8_t) pk_script_size; /* txout-script length */
memcpy(cbtx+cbtx_size, pk_script, pk_script_size);
cbtx_size += (int) pk_script_size;
le32enc((uint32_t *)(cbtx+cbtx_size), 0); /* lock time */
cbtx_size += 4;
coinbase_append = true;
}
if (coinbase_append)
{
unsigned char xsig[100];
int xsig_len = 0;
if (*coinbase_sig) {
n = (int) strlen(coinbase_sig);
if (cbtx[41] + xsig_len + n <= 100) {
memcpy(xsig+xsig_len, coinbase_sig, n);
xsig_len += n;
} else {
applog(LOG_WARNING, "Signature does not fit in coinbase, skipping");
}
}
tmp = json_object_get(val, "coinbaseaux");
if (tmp && json_is_object(tmp))
{
void *iter = json_object_iter(tmp);
while (iter)
{
unsigned char buf[100];
const char *s = json_string_value(json_object_iter_value(iter));
n = s ? (int) (strlen(s) / 2) : 0;
if (!s || n > 100 || !hex2bin(buf, s, n)) {
applog(LOG_ERR, "JSON invalid coinbaseaux");
break;
}
if (cbtx[41] + xsig_len + n <= 100) {
memcpy(xsig+xsig_len, buf, n);
xsig_len += n;
}
iter = json_object_iter_next(tmp, iter);
}
}
if (xsig_len)
{
unsigned char *ssig_end = cbtx + 42 + cbtx[41];
int push_len = cbtx[41] + xsig_len < 76 ? 1 :
cbtx[41] + 2 + xsig_len > 100 ? 0 : 2;
n = xsig_len + push_len;
memmove(ssig_end + n, ssig_end, cbtx_size - 42 - cbtx[41]);
cbtx[41] += n;
if (push_len == 2)
*(ssig_end++) = 0x4c; /* OP_PUSHDATA1 */
if (push_len)
*(ssig_end++) = xsig_len;
memcpy(ssig_end, xsig, xsig_len);
cbtx_size += n;
}
}
n = varint_encode(txc_vi, 1 + tx_count);
work->txs = (char*) malloc(2 * (n + cbtx_size + tx_size) + 1);
bin2hex(work->txs, txc_vi, n);
bin2hex(work->txs + 2*n, cbtx, cbtx_size);
/* generate merkle root */
merkle_tree = (uchar(*)[32]) calloc(((1 + tx_count + 1) & ~1), 32);
sha256d(merkle_tree[0], cbtx, cbtx_size);
for (i = 0; i < tx_count; i++)
{
tmp = json_array_get(txa, i);
const char *tx_hex = json_string_value(json_object_get(tmp, "data"));
const int tx_size = tx_hex ? (int) (strlen(tx_hex) / 2) : 0;
unsigned char *tx = (uchar*) malloc(tx_size);
if (!tx_hex || !hex2bin(tx, tx_hex, tx_size))
{
applog(LOG_ERR, "JSON invalid transactions");
free(tx);
goto out;
}
sha256d(merkle_tree[1 + i], tx, tx_size);
if (!submit_coinbase)
strcat(work->txs, tx_hex);
}
n = 1 + tx_count;
while (n > 1)
{
if (n % 2)
{
memcpy(merkle_tree[n], merkle_tree[n-1], 32);
++n;
}
n /= 2;
for (i = 0; i < n; i++)
sha256d(merkle_tree[i], merkle_tree[2*i], 64);
}
/* assemble block header */
work->data[0] = swab32(version);
for (i = 0; i < 8; i++)
work->data[8 - i] = le32dec(prevhash + i);
for (i = 0; i < 8; i++)
work->data[9 + i] = be32dec((uint32_t *)merkle_tree[0] + i);
work->data[17] = swab32(curtime);
work->data[18] = le32dec(&bits);
memset(work->data + 19, 0x00, 52);
work->data[20] = 0x80000000;
work->data[31] = 0x00000280;
if ( unlikely( !jobj_binary(val, "target", target, sizeof(target)) ) )
{
applog(LOG_ERR, "JSON invalid target");
goto out;
}
for (i = 0; i < ARRAY_SIZE(work->target); i++)
work->target[7 - i] = be32dec(target + i);
tmp = json_object_get(val, "workid");
if (tmp)
{
if (!json_is_string(tmp)) {
applog(LOG_ERR, "JSON invalid workid");
goto out;
}
work->workid = strdup(json_string_value(tmp));
}
rc = true;
out:
/* Long polling */
tmp = json_object_get(val, "longpollid");
if (want_longpoll && json_is_string(tmp))
{
free(lp_id);
lp_id = strdup(json_string_value(tmp));
if (!have_longpoll)
{
char *lp_uri;
tmp = json_object_get(val, "longpolluri");
lp_uri = json_is_string(tmp) ? strdup(json_string_value(tmp)) : rpc_url;
have_longpoll = true;
tq_push(thr_info[longpoll_thr_id].q, lp_uri);
}
}
free(merkle_tree);
free(cbtx);
return rc;
}
void scale_hash_for_display ( double* hashrate, char* units )
{
if ( *hashrate < 1e4 )
// 0 H/s to 9999 H/s
*units = 0;
else if ( *hashrate < 1e7 )
{
// 10 kH/s to 9999 kH/s
*units = 'k';
*hashrate /= 1e3;
}
else if ( *hashrate < 1e10 )
{
// 10 Mh/s to 9999 Mh/s
*units = 'M';
*hashrate /= 1e6;
}
else if ( *hashrate < 1e13 )
{
// 10 iGh/s to 9999 Gh/s
*units = 'G';
*hashrate /= 1e9;
}
else
{
// 10 Th/s and higher
*units = 'T';
*hashrate /= 1e12;
}
}
static int share_result(int result, struct work *work, const char *reason)
{
char s1[345];
char s2[345];
const char *sres;
double hashcount = 0.;
double hashrate = 0.;
char units1 = 0;
char units2 = 0;
int i;
pthread_mutex_lock(&stats_lock);
for (i = 0; i < opt_n_threads; i++)
{
hashcount += thr_hashcount[i];
hashrate += thr_hashrates[i];
}
result ? accepted_count++ : rejected_count++;
pthread_mutex_unlock(&stats_lock);
global_hashcount = hashcount;
global_hashrate = hashrate;
if (use_colors)
sres = (result ? CL_GRN "yes!" : CL_RED "nooooo");
else
sres = (result ? "(yes!!!)" : "(nooooo)");
scale_hash_for_display ( &hashcount, &units1 );
scale_hash_for_display ( &hashrate, &units2 );
if ( units1 )
sprintf(s1, "%.2f", hashcount );
else
// no fractions of a hash
sprintf(s1, "%.0f", hashcount );
sprintf(s2, "%.2f", hashrate );
applog(LOG_NOTICE, "accepted: %lu/%lu (%.0f%%), %s %cH, %s %cH/s %s",
accepted_count, accepted_count + rejected_count,
100. * accepted_count / (accepted_count + rejected_count),
s1, units1, s2, units2, sres );
if (reason)
{
applog(LOG_WARNING, "reject reason: %s", reason);
if (strncmp(reason, "low difficulty share", 20) == 0)
{
opt_diff_factor = (opt_diff_factor * 2.0) / 3.0;
applog(LOG_WARNING, "factor reduced to : %0.2f", opt_diff_factor);
return 0;
}
}
return 1;
}
static bool submit_upstream_work(CURL *curl, struct work *work)
{
json_t *val, *res, *reason;
char s[JSON_BUF_LEN];
int i;
bool rc = false;
/* pass if the previous hash is not the current previous hash */
if ( !submit_old && memcmp(&work->data[1], &g_work.data[1], 32) )
{
if (opt_debug)
applog(LOG_DEBUG, "DEBUG: stale work detected, discarding");
return true;
}
if (!have_stratum && allow_mininginfo)
{
struct work wheight;
get_mininginfo(curl, &wheight);
if (work->height && work->height <= net_blocks)
{
if (opt_debug)
applog(LOG_WARNING, "block %u was already solved", work->height);
return true;
}
}
if ( have_stratum )
{
uint32_t ntime, nonce;
char ntimestr[9], noncestr[9];
if (jsonrpc_2)
{
uchar hash[32];
bin2hex(noncestr, (const unsigned char *)work->data + 39, 4);
algo_gate.hash_suw( hash, work->data );
char *hashhex = abin2hex(hash, 32);
snprintf(s, JSON_BUF_LEN,
"{\"method\": \"submit\", \"params\": {\"id\": \"%s\", \"job_id\": \"%s\", \"nonce\": \"%s\", \"result\": \"%s\"}, \"id\":4}\r\n",
rpc2_id, work->job_id, noncestr, hashhex);
free(hashhex);
}
else
{
// bool rc = false;
unsigned char *xnonce2str;
algo_gate.encode_endian_17_19( &ntime, &nonce, work );
bin2hex( ntimestr, (const unsigned char *)(&ntime), 4 );
bin2hex( noncestr, (const unsigned char *)(&nonce), 4 );
xnonce2str = algo_gate.get_xnonce2str( work,
stratum.xnonce1_size );
algo_gate.build_stratum_request( s, work, xnonce2str,
ntimestr, noncestr );
free(xnonce2str);
}
if ( unlikely( !stratum_send_line( &stratum, s ) ) )
{
applog(LOG_ERR, "submit_upstream_work stratum_send_line failed");
goto out;
}
}
else if (work->txs)
{
char data_str[2 * sizeof(work->data) + 1];
char *req;
for (i = 0; i < ARRAY_SIZE(work->data); i++)
be32enc(work->data + i, work->data[i]);
bin2hex(data_str, (unsigned char *)work->data, 80);
if (work->workid)
{
char *params;
val = json_object();
json_object_set_new(val, "workid", json_string(work->workid));
params = json_dumps(val, 0);
json_decref(val);
req = (char*) malloc(128 + 2 * 80 + strlen(work->txs) + strlen(params));
sprintf(req,
"{\"method\": \"submitblock\", \"params\": [\"%s%s\", %s], \"id\":4}\r\n",
data_str, work->txs, params);
free(params);
}
else
{
req = (char*) malloc(128 + 2 * 80 + strlen(work->txs));
sprintf(req,
"{\"method\": \"submitblock\", \"params\": [\"%s%s\"], \"id\":4}\r\n",
data_str, work->txs);
}
val = json_rpc_call(curl, rpc_url, rpc_userpass, req, NULL, 0);
free(req);
if (unlikely(!val))
{
applog(LOG_ERR, "submit_upstream_work json_rpc_call failed");
goto out;
}
res = json_object_get(val, "result");
if (json_is_object(res))
{
char *res_str;
bool sumres = false;
void *iter = json_object_iter(res);
while (iter)
{
if (json_is_null(json_object_iter_value(iter)))
{
sumres = true;
break;
}
iter = json_object_iter_next(res, iter);
}
res_str = json_dumps(res, 0);
share_result(sumres, work, res_str);
free(res_str);
}
else
share_result(json_is_null(res), work, json_string_value(res));
json_decref(val);
}
else
{
if (jsonrpc_2)
{
char noncestr[9];
uchar hash[32];
char *hashhex;
bin2hex(noncestr, (const unsigned char *)work->data + 39, 4);
algo_gate.hash_suw( hash, work->data );
hashhex = abin2hex(&hash[0], 32);
snprintf(s, JSON_BUF_LEN,
"{\"method\": \"submit\", \"params\": "
"{\"id\": \"%s\", \"job_id\": \"%s\", \"nonce\": \"%s\", \"result\": \"%s\"},"
"\"id\":4}\r\n",
rpc2_id, work->job_id, noncestr, hashhex);
free(hashhex);
/* issue JSON-RPC request */
val = json_rpc2_call(curl, rpc_url, rpc_userpass, s, NULL, 0);
if (unlikely(!val))
{
applog(LOG_ERR, "submit_upstream_work json_rpc_call failed");
goto out;
}
res = json_object_get(val, "result");
json_t *status = json_object_get(res, "status");
bool valid = !strcmp(status ? json_string_value(status) : "", "OK");
if (valid)
share_result(valid, work, NULL);
else
{
json_t *err = json_object_get(res, "error");
const char *sreason = json_string_value(json_object_get(err, "message"));
share_result(valid, work, sreason);
if (!strcasecmp("Invalid job id", sreason))
{
work_free(work);
work_copy(work, &g_work);
g_work_time = 0;
restart_threads();
}
}
json_decref(val);
return true;
} // jsonrpc_2
char* gw_str = NULL;
int data_size = algo_gate.suw_build_hex_string( work );
gw_str = abin2hex((uchar*)work->data, data_size);
if (unlikely(!gw_str)) {
applog(LOG_ERR, "submit_upstream_work OOM");
return false;
}
/* build JSON-RPC request */
snprintf(s, JSON_BUF_LEN,
"{\"method\": \"getwork\", \"params\": [\"%s\"], \"id\":4}\r\n", gw_str);
free(gw_str);
/* issue JSON-RPC request */
val = json_rpc_call(curl, rpc_url, rpc_userpass, s, NULL, 0);
if (unlikely(!val)) {
applog(LOG_ERR, "submit_upstream_work json_rpc_call failed");
goto out;
}
res = json_object_get(val, "result");
reason = json_object_get(val, "reject-reason");
share_result(json_is_true(res), work,
reason ? json_string_value(reason) : NULL);
json_decref(val);
}
rc = true;
out:
return rc;
}
static const char *getwork_req =
"{\"method\": \"getwork\", \"params\": [], \"id\":0}\r\n";
#define GBT_CAPABILITIES "[\"coinbasetxn\", \"coinbasevalue\", \"longpoll\", \"workid\"]"
static const char *gbt_req =
"{\"method\": \"getblocktemplate\", \"params\": [{\"capabilities\": "
GBT_CAPABILITIES "}], \"id\":0}\r\n";
static const char *gbt_lp_req =
"{\"method\": \"getblocktemplate\", \"params\": [{\"capabilities\": "
GBT_CAPABILITIES ", \"longpollid\": \"%s\"}], \"id\":0}\r\n";
static bool get_upstream_work(CURL *curl, struct work *work)
{
json_t *val;
int err;
bool rc;
struct timeval tv_start, tv_end, diff;
start:
gettimeofday(&tv_start, NULL);
if (jsonrpc_2) {
char s[128];
snprintf(s, 128, "{\"method\": \"getjob\", \"params\": {\"id\": \"%s\"}, \"id\":1}\r\n", rpc2_id);
val = json_rpc2_call(curl, rpc_url, rpc_userpass, s, NULL, 0);
} else {
val = json_rpc_call(curl, rpc_url, rpc_userpass,
have_gbt ? gbt_req : getwork_req,
&err, have_gbt ? JSON_RPC_QUIET_404 : 0);
}
gettimeofday(&tv_end, NULL);
if (have_stratum) {
if (val)
json_decref(val);
return true;
}
if (!have_gbt && !allow_getwork) {
applog(LOG_ERR, "No usable protocol");
if (val)
json_decref(val);
return false;
}
if (have_gbt && allow_getwork && !val && err == CURLE_OK) {
applog(LOG_NOTICE, "getblocktemplate failed, falling back to getwork");
have_gbt = false;
goto start;
}
if (!val)
return false;
if (have_gbt) {
rc = gbt_work_decode(json_object_get(val, "result"), work);
if (!have_gbt) {
json_decref(val);