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ccminer.cpp
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ccminer.cpp
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/*
* Copyright 2010 Jeff Garzik
* Copyright 2012-2014 pooler
*
* 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.
*/
#include "cpuminer-config.h"
#include "cuda_runtime_api.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <inttypes.h>
#include <unistd.h>
#include <math.h>
#include <sys/time.h>
#include <time.h>
#include <signal.h>
#include <curl/curl.h>
#include <jansson.h>
#include <openssl/sha.h>
#ifdef WIN32
#include <windows.h>
#include <stdint.h>
#else
#include <errno.h>
#include <sys/resource.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
//#include "nvml.h"
#include "cuda_runtime.h"
//#include "gpu_utils.h"
#include "miner.h"
#ifdef WIN32
#include <Mmsystem.h>
#pragma comment(lib, "winmm.lib")
#include "compat/winansi.h"
BOOL WINAPI ConsoleHandler(DWORD);
#endif
#define PROGRAM_NAME "ccminer"
#define LP_SCANTIME 30
#define HEAVYCOIN_BLKHDR_SZ 84
#define MNR_BLKHDR_SZ 80
// from cuda.cpp
int cuda_num_devices();
void cuda_devicenames();
void cuda_devicenames();
void cuda_devicereset();
void cuda_print_devices();
int cuda_finddevice(char *name);
#include "nvml.h"
#ifdef USE_WRAPNVML
nvml_handle *hnvml = NULL;
#endif
enum workio_commands {
WC_GET_WORK,
WC_SUBMIT_WORK,
WC_ABORT,
};
struct workio_cmd {
enum workio_commands cmd;
struct thr_info *thr;
union {
struct work *work;
} u;
};
enum sha_algos {
ALGO_BASTION,
ALGO_BITC,
ALGO_BITCOIN,
ALGO_BLAKE,
ALGO_BLAKECOIN,
ALGO_C11,
ALGO_DEEP,
ALGO_DMD_GR,
ALGO_DOOM,
ALGO_FRESH,
ALGO_FUGUE256, /* Fugue256 */
ALGO_GROESTL,
ALGO_HEAVY, /* Heavycoin hash */
ALGO_KECCAK,
ALGO_JACKPOT,
ALGO_LUFFA_DOOM,
ALGO_LYRA2,
ALGO_LYRA2v2,
ALGO_MJOLLNIR, /* Hefty hash */
ALGO_MYR_GR,
ALGO_NIST5,
ALGO_PENTABLAKE,
ALGO_QUARK,
ALGO_QUBIT,
ALGO_SCRYPT,
ALGO_SCRYPT_JANE,
ALGO_SKEIN,
ALGO_S3,
ALGO_SPREADX11,
ALGO_WHC,
ALGO_WHCX,
ALGO_X11,
ALGO_X13,
ALGO_X14,
ALGO_X15,
ALGO_X17,
ALGO_VANILLA,
ALGO_NEO,
ALGO_COUNT
};
static const char *algo_names[] = {
"bastion",
"credit",
"bitcoin",
"blake",
"blakecoin",
"c11",
"deep",
"dmd-gr",
"doom", /* is luffa */
"fresh",
"fugue256",
"groestl",
"heavy",
"keccak",
"jackpot",
"luffa",
"lyra2",
"lyra2v2",
"mjollnir",
"myr-gr",
"nist5",
"penta",
"quark",
"qubit",
"scrypt",
"scrypt-jane",
"skein",
"s3",
"spread",
"whirl",
"whirlpoolx",
"x11",
"x13",
"x14",
"x15",
"x17",
"vanilla",
"neoscrypt",
""
};
bool opt_broken_neo_wallet = false; // HACK: Drop this flag once neoscrypt wallets are fixed to send 80byte data
bool opt_debug = false;
bool opt_protocol = false;
bool opt_benchmark = false;
bool want_longpoll = true;
bool have_longpoll = false;
bool want_stratum = true;
bool have_stratum = false;
bool allow_gbt = false;
bool check_dups = false;
static bool submit_old = false;
bool use_syslog = false;
bool use_colors = true;
static bool opt_background = false;
bool opt_quiet = false;
static int opt_retries = -1;
static int opt_fail_pause = 5;
static int opt_time_limit = 0;
int opt_timeout = 270;
static int opt_scantime = 5;
static json_t *opt_config;
static const bool opt_time = true;
static enum sha_algos opt_algo = ALGO_X11;
int opt_n_threads = 0;
int opt_n_gputhreads = 1;
int opt_affinity = -1;
int opt_priority = 0;
static double opt_difficulty = 1; // CH
static bool opt_extranonce = true;
bool opt_cpumining = false;
bool opt_trust_pool = false;
uint16_t opt_vote = 9999;
int num_cpus = 0;
int active_gpus = 0;
char * device_name[MAX_GPUS];
int device_map[MAX_GPUS] = { 0, 1, 2, 3, 4, 5, 6, 7,8,9,10,11,12,13,14,15,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 };
long device_sm[MAX_GPUS] = { 0 };
int device_memspeed[MAX_GPUS] = { 0 };
int device_gpuspeed[MAX_GPUS] = { 0 };
uint32_t gpus_intensity[MAX_GPUS] = { 0 };
int device_interactive[MAX_GPUS] = { 0 };
int device_batchsize[MAX_GPUS] = { 0 };
int device_backoff[MAX_GPUS] = { 0 };
int device_lookup_gap[MAX_GPUS] = { 0 };
int device_texturecache[MAX_GPUS] = { 0 };
int device_singlememory[MAX_GPUS] = { 0 };
char *device_config[MAX_GPUS] = { 0 };
int opt_nfactor = 0;
int parallel = 2;
bool autotune = true;
bool opt_autotune = true;
bool abort_flag = false;
bool scan_abort_flag = false;
bool network_fail_flag = false;
char *jane_params = NULL;
char *rpc_user = NULL;
static char *rpc_url = NULL;
static char *rpc_userpass = NULL;
static char *rpc_pass = NULL;
static char *short_url = NULL;
char *opt_cert = NULL;
char *opt_proxy = NULL;
long opt_proxy_type = -1;
struct thr_info *thr_info = NULL;
static int work_thr_id = -1;
struct thr_api *thr_api = NULL;
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 = { 0 };
static pthread_mutex_t stats_lock = PTHREAD_MUTEX_INITIALIZER;
uint32_t accepted_count = 0L;
uint32_t rejected_count = 0L;
static double thr_hashrates[MAX_GPUS] = { 0 };
uint64_t global_hashrate = 0;
double global_diff = 0.0;
uint32_t opt_statsavg = 30;
static char* opt_syslog_pfx = NULL;
char *opt_api_allow = NULL;
int opt_api_listen = 0; /* 0 to disable */
#ifdef HAVE_GETOPT_LONG
#include <getopt.h>
#else
struct option {
const char *name;
int has_arg;
int *flag;
int val;
};
#endif
static char const usage[] = "\
Usage: " PROGRAM_NAME " [OPTIONS]\n\
Options:\n\
-a, --algo=ALGO specify the hash algorithm to use\n\
bastion bastioncoin\n\
bitcoin Bitcoin\n\
blake Blake 256 (SFR/NEOS)\n\
blakecoin Fast Blake 256 (8 rounds)\n\
c11/flax X11 variant\n\
credit Credit\n\
deep Deepcoin\n\
dmd-gr Diamond-Groestl\n\
fresh Freshcoin (shavite 80)\n\
fugue256 Fuguecoin\n\
groestl Groestlcoin\n\
heavy Heavycoin\n\
jackpot Jackpot\n\
keccak Keccak-256 (Maxcoin)\n\
luffa Doomcoin\n\
lyra2 Lyrabar\n\
lyra2v2 VertCoin\n\
mjollnir Mjollnircoin\n\
myr-gr Myriad-Groestl\n\
neoscrypt neoscrypt (FeatherCoin)\n\
nist5 NIST5 (TalkCoin)\n\
penta Pentablake hash (5x Blake 512)\n\
quark Quark\n\
qubit qubit\n\
scrypt Scrypt\n\
scrypt-jane Scrypt-jane Chacha\n\
skein Skein\n\
s3 S3 (1Coin)\n\
spread Spread\n\
x11 X11 (DarkCoin)\n\
x13 X13 (MaruCoin)\n\
x14 X14\n\
x15 X15\n\
x17 X17 (peoplecurrency)\n\
Vanilla (Blake256 8-rounds - double sha256)\n\
yescrypt yescrypt\n\
whirl Whirlcoin (old whirlpool)\n\
whirlpoolx Vanillacoin \n\
-d, --devices Comma separated list of CUDA devices to use. \n\
Device IDs start counting from 0! Alternatively takes\n\
string names of your cards like gtx780ti or gt640#2\n\
(matching 2nd gt640 in the PC)\n\
-i --intensity=N GPU intensity 8-31 (default: auto) \n\
Decimals are allowed for fine tuning \n\
-f, --diff Divide difficulty by this factor (std is 1) \n\
-v, --vote=VOTE block reward vote (for HeavyCoin)\n\
-m, --trust-pool trust the max block reward vote (maxvote) sent by the pool\n\
-o, --url=URL URL of mining server\n\
-O, --userpass=U:P username:password pair for mining server\n\
-u, --user=USERNAME username for mining server\n\
-p, --pass=PASSWORD password for mining server\n\
--cert=FILE certificate for mining server using SSL\n\
-x, --proxy=[PROTOCOL://]HOST[:PORT] connect through a proxy\n\
-t, --threads=N number of miner threads (default: number of nVidia GPUs)\n\
-g, --gputhreads=N number of threads per gpu (default: 1)\n\
-r, --retries=N number of times to retry if a network call fails\n\
(default: retry indefinitely)\n\
-R, --retry-pause=N time to pause between retries, in seconds (default: 30)\n\
--time-limit maximum time [s] to mine before exiting the program.\n\
-T, --timeout=N network timeout, in seconds (default: 270)\n\
-s, --scantime=N upper bound on time spent scanning current work when\n\
long polling is unavailable, in seconds (default: 5)\n\
-n, --ndevs list cuda devices\n\
-N, --statsavg number of samples used to display hashrate (default: 30)\n\
--no-gbt disable getblocktemplate support (height check in solo)\n\
--no-longpoll disable X-Long-Polling support\n\
--no-stratum disable X-Stratum support\n\
-q, --quiet disable per-thread hashmeter output\n\
--no-color disable colored output\n\
-D, --debug enable debug output\n\
-P, --protocol-dump verbose dump of protocol-level activities\n\
--cpu-affinity set process affinity to cpu core(s), mask 0x3 for cores 0 and 1\n\
--cpu-priority set process priority (default: 0 idle, 2 normal to 5 highest)\n\
-b, --api-bind IP/Port for the miner API (default: 127.0.0.1:4068)\n\
-S, --syslog use system log for output messages\n\
--syslog - prefix = ... allow to change syslog tool name\n\
-B, --background run the miner in the background\n\
--benchmark run in offline benchmark mode\n\
--cputest debug hashes from cpu algorithms\n\
-c, --config=FILE load a JSON-format configuration file\n\
-C, --cpu-mining Enable the cpu to aid the gpu. (warning: uses more power)\n\
-V, --version display version information and exit\n\
-h, --help display this help text and exit\n\
-X, --XIntensity intensity GPU intensity(default: auto) \n\
--broken-neo-wallet Use 84byte data for broken neoscrypt wallets.\n\
";
char const short_options[] = "SX:a:c:i:Dhp:Px:qr:R:s:t:T:o:u:O:Vd:f:mv:N:n:b:g:l:L:e:M:C";
struct option const options[] = {
{ "algo", 1, NULL, 'a' },
{ "api-bind", 1, NULL, 'b' },
{ "benchmark", 0, NULL, 1005 },
{ "cert", 1, NULL, 1001 },
{ "config", 1, NULL, 'c' },
{ "cputest", 0, NULL, 1006 },
{ "cpu-affinity", 1, NULL, 1020 },
{ "cpu-priority", 1, NULL, 1021 },
{ "debug", 0, NULL, 'D' },
{ "help", 0, NULL, 'h' },
{ "intensity", 1, NULL, 'i' },
{ "ndevs", 0, NULL, 'n' },
{ "no-color", 0, NULL, 1002 },
{ "no-gbt", 0, NULL, 1011 },
{ "no-longpoll", 0, NULL, 1003 },
{ "no-stratum", 0, NULL, 1007 },
{ "no-autotune", 0, NULL, 1004 }, // scrypt
{ "launch-config", 0, NULL, 'l' }, // scrypt
{ "lookup-gap", 0, NULL, 'L' }, // scrypt
{ "pass", 1, NULL, 'p' },
{ "protocol-dump", 0, NULL, 'P' },
{ "proxy", 1, NULL, 'x' },
{ "quiet", 0, NULL, 'q' },
{ "retries", 1, NULL, 'r' },
{ "retry-pause", 1, NULL, 'R' },
{ "syslog", 0, NULL, 'S' },
{ "syslog-prefix", 1, NULL, 1008 },
{ "scantime", 1, NULL, 's' },
{ "statsavg", 1, NULL, 'N' },
{ "time-limit", 1, NULL, 1008 },
{ "threads", 1, NULL, 't' },
{ "gputhreads", 1, NULL, 'g' },
{ "gpu-engine", 1, NULL, 1070 },
{ "gpu-memclock", 1, NULL, 1071 },
{ "Disable extranounce support", 1, NULL, 'e' },
{ "vote", 1, NULL, 'v' },
{ "trust-pool", 0, NULL, 'm' },
{ "timeout", 1, NULL, 'T' },
{ "url", 1, NULL, 'o' },
{ "user", 1, NULL, 'u' },
{ "userpass", 1, NULL, 'O' },
{ "version", 0, NULL, 'V' },
{ "devices", 1, NULL, 'd' },
{ "diff", 1, NULL, 'f' },
{ "X", 1, NULL, 'X'},
{ "cpu-mining", 0, NULL, 'C'},
{ "broken-neo-wallet", 0, NULL, 1030},
{ 0, 0, 0, 0 }
};
static char const scrypt_usage[] = "\n\
Scrypt specific options:\n\
-l, --launch-config gives the launch configuration for each kernel\n\
in a comma separated list, one per device.\n\
-L, --lookup-gap Divides the per-hash memory requirement by this factor\n\
by storing only every N'th value in the scratchpad.\n\
Default is 1.\n\
--no-autotune disable auto-tuning of kernel launch parameters\n\
";
static struct work _ALIGN(64) g_work;
static time_t g_work_time;
static pthread_mutex_t g_work_lock = PTHREAD_MUTEX_INITIALIZER;
#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
}
static void affine_to_cpu_mask(int id, uint8_t mask) {
cpu_set_t set;
CPU_ZERO(&set);
for (uint8_t i = 0; i < num_cpus; i++) {
// cpu mask
if (mask & (1<<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(__FreeBSD__) /* FreeBSD specific policy and affinity management */
#include <sys/cpuset.h>
static inline void drop_policy(void) { }
static void affine_to_cpu_mask(int id, uint8_t mask) {
cpuset_t set;
CPU_ZERO(&set);
for (uint8_t i = 0; i < num_cpus; i++) {
if (mask & (1<<i)) CPU_SET(i, &set);
}
cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID, -1, sizeof(cpuset_t), &set);
}
#else /* Windows */
static inline void drop_policy(void) { }
static void affine_to_cpu_mask(int id, uint8_t mask) {
if (id == -1)
SetProcessAffinityMask(GetCurrentProcess(), mask);
else
SetThreadAffinityMask(GetCurrentThread(), mask);
}
#endif
static bool get_blocktemplate(CURL *curl, struct work *work);
void get_currentalgo(char* buf, int sz)
{
snprintf(buf, sz, "%s", algo_names[opt_algo]);
}
/**
* Exit app
*/
#define CCEXIT_SIG -1
void proper_exit(int reason)
{
struct thr_info* thr = NULL;
abort_flag = true;
if (thr_info && work_thr_id != -1)
thr = &thr_info[work_thr_id];
if (thr && thr->q)
tq_freeze(thr->q);
if (reason != CCEXIT_SIG) {
#ifdef USE_WRAPNVML
if (hnvml)
nvml_destroy(hnvml);
#endif
free(opt_syslog_pfx);
opt_syslog_pfx = NULL;
free(opt_api_allow);
opt_api_allow = NULL;
hashlog_purge_all();
stats_purge_all();
cuda_devicereset();
}
}
static bool jobj_binary(const json_t *obj, const char *key,
void *buf, size_t buflen)
{
const char *hexstr;
json_t *tmp;
tmp = json_object_get(obj, key);
if (unlikely(!tmp)) {
applog(LOG_ERR, "JSON key '%s' not found", key);
return false;
}
hexstr = json_string_value(tmp);
if (unlikely(!hexstr)) {
applog(LOG_ERR, "JSON key '%s' is not a string", key);
return false;
}
if (!hex2bin((uchar*)buf, hexstr, buflen))
return false;
return true;
}
static bool work_decode(const json_t *val, struct work *work)
{
int data_size, midstate_size;
switch (opt_algo) {
case ALGO_NEO:
data_size = opt_broken_neo_wallet ? 84 : 80;
break;
case ALGO_BITC:
data_size = 168;
midstate_size = sizeof(work->midstate);
break;
default:
data_size = 128; // original sizeof(work->data); however data is now 64*4bit
}
int adata_sz = data_size >> 2;
int target_size = sizeof(work->target);
int atarget_sz = target_size >> 2;
int i;
// printf("data size %d",data_size);
if (unlikely(!jobj_binary(val, "data", work->data, data_size))) {
applog(LOG_ERR, "JSON inval data");
return false;
}
if (unlikely(!jobj_binary(val, "target", work->target, target_size))) {
applog(LOG_ERR, "JSON inval target");
return false;
}
if (opt_algo == ALGO_BITC) {
if (unlikely(!jobj_binary(val, "midstate", work->midstate, midstate_size))) {
applog(LOG_ERR, "JSON inval midstate");
return false;
}
for (i = 0; i < midstate_size>>2; i++)
work->midstate[i] = le32dec(work->midstate + i);
}
if (opt_algo == ALGO_HEAVY) {
if (unlikely(!jobj_binary(val, "maxvote", &work->maxvote, sizeof(work->maxvote)))) {
work->maxvote = 2048;
}
}
else work->maxvote = 0;
// printf("the data: \n");
for (i = 0; i < adata_sz; i++)
work->data[i] = le32dec(work->data + i);
// printf("i %d %08x \n",i, work->data[i]);}
// printf("\n");
for (i = 0; i < atarget_sz; i++)
work->target[i] = le32dec(work->target + i);
json_t *jr = json_object_get(val, "noncerange");
if (jr) {
const char * hexstr = json_string_value(jr);
if (likely(hexstr)) {
// never seen yet...
hex2bin((uchar*)work->noncerange.u64, hexstr, 8);
applog(LOG_DEBUG, "received noncerange: %08x-%08x",
work->noncerange.u32[0], work->noncerange.u32[1]);
}
}
/* use work ntime as job id (solo-mining) */
cbin2hex(work->job_id, (const char*)&work->data[17], 4);
return true;
}
/**
* Calculate the work difficulty as double
* Not sure it works with pools
*/
static void calc_diff(struct work *work, int known)
{
// sample for diff 32.53 : 00000007de5f0000
const uint64_t diffone = 0xFFFF000000000000ull;
uint64_t *data64, d64;
char rtarget[32];
swab256(rtarget, work->target);
data64 = (uint64_t *)(rtarget + 3); /* todo: index (3) can be tuned here */
if (opt_algo == ALGO_HEAVY) {
data64 = (uint64_t *)(rtarget + 2);
}
d64 = swab64(*data64);
if (unlikely(!d64))
d64 = 1;
work->difficulty = (double)diffone / d64;
if (opt_difficulty > 0.) {
work->difficulty /= opt_difficulty;
}
}
static int share_result(int result, const char *reason)
{
char s[345];
double hashrate = 0.;
const char *sres;
pthread_mutex_lock(&stats_lock);
for (int i = 0; i < opt_n_threads; i++) {
hashrate += stats_get_speed(i, thr_hashrates[i]);
}
result ? accepted_count++ : rejected_count++;
pthread_mutex_unlock(&stats_lock);
global_hashrate = llround(hashrate);
if (use_colors)
sres = (result ? CL_GRN "yes!" : CL_RED "nooooo");
else
sres = (result ? "(yes!!!)" : "(nooooo)");
switch (opt_algo) {
case ALGO_BASTION:
sprintf(s, hashrate >= 1e6 ? "%.0f" : "%.2f", hashrate);
applog(LOG_NOTICE, "accepted: %lu/%lu (%.2f%%), %s H/s %s",
accepted_count, accepted_count + rejected_count,
100. * accepted_count / (accepted_count + rejected_count), s, sres);
break;
default:
sprintf(s, hashrate >= 1e6 ? "%.0f" : "%.2f", hashrate / 1000.0);
applog(LOG_NOTICE, "accepted: %lu/%lu (%.2f%%), %s kH/s %s",
accepted_count, accepted_count + rejected_count,
100. * accepted_count / (accepted_count + rejected_count), s, sres);
break;
}
if (reason) {
applog(LOG_WARNING, "reject reason: %s", reason);
if (strncmp(reason, "Duplicate share", 15) == 0 && !check_dups) {
applog(LOG_WARNING, "enabling duplicates check feature");
check_dups = true;
}
return 0;
}
return 1;
}
static bool submit_upstream_work(CURL *curl, struct work *work)
{
json_t *val, *res, *reason;
bool stale_work = false;
char s[384];
/* discard if a newer bloc was received */
/*
stale_work = work->height && work->height < g_work.height;
if (have_stratum && !stale_work) {
pthread_mutex_lock(&g_work_lock);
if (strlen(work->job_id + 8))
stale_work = strcmp(work->job_id + 8, g_work.job_id + 8);
pthread_mutex_unlock(&g_work_lock);
}
*/
if (!have_stratum && !stale_work && allow_gbt) {
struct work wheight = { 0 };
if (get_blocktemplate(curl, &wheight)) {
if (work->height && work->height < wheight.height) {
if (opt_debug)
applog(LOG_WARNING, "bloc %u was already solved", work->height, wheight.height);
return true;
}
}
}
if (stale_work) {
if (opt_debug)
applog(LOG_WARNING, "stale work detected, discarding");
return true;
}
calc_diff(work, 0);
if (have_stratum)
{
uint32_t sent = 0;
uint32_t ntime, nonce;
uint16_t nvote;
char *ntimestr, *noncestr, *xnonce2str, *nvotestr;
le32enc(&ntime, work->data[17]);
le32enc(&nonce, work->data[19]);
noncestr = bin2hex((const uchar*)(&nonce), 4);
if (check_dups)
sent = hashlog_already_submittted(work->job_id, nonce);
if (sent > 0) {
sent = (uint32_t)time(NULL) - sent;
if (!opt_quiet) {
applog(LOG_WARNING, "nonce %s was already sent %u seconds ago", noncestr, sent);
hashlog_dump_job(work->job_id);
}
free(noncestr);
// prevent useless computing on some pools
stratum_need_reset = true;
for (int i = 0; i < opt_n_threads; i++)
work_restart[i].restart = 1;
return true;
}
ntimestr = bin2hex((const uchar*)(&ntime), 4);
xnonce2str = bin2hex(work->xnonce2, work->xnonce2_len);
if (opt_algo == ALGO_HEAVY) {
be16enc(&nvote, *((uint16_t*)&work->data[20]));
nvotestr = bin2hex((const uchar*)(&nvote), 2);
sprintf(s,
"{\"method\": \"mining.submit\", \"params\": [\"%s\", \"%s\", \"%s\", \"%s\", \"%s\", \"%s\"], \"id\":4}",
rpc_user, work->job_id + 8, xnonce2str, ntimestr, noncestr, nvotestr);
free(nvotestr);
}
else {
sprintf(s,
"{\"method\": \"mining.submit\", \"params\": [\"%s\", \"%s\", \"%s\", \"%s\", \"%s\"], \"id\":4}",
rpc_user, work->job_id + 8, xnonce2str, ntimestr, noncestr);
}
free(xnonce2str);
free(ntimestr);
free(noncestr);
gettimeofday(&stratum.tv_submit, NULL);
if (unlikely(!stratum_send_line(&stratum, s))) {
applog(LOG_ERR, "submit_upstream_work stratum_send_line failed");
sleep(10);
return false;
}
if (check_dups)
hashlog_remember_submit(work, nonce);
}
else {
/* build hex string */
char *str = NULL;
int data_size;
switch (opt_algo)
{
case ALGO_NEO:
data_size = opt_broken_neo_wallet ? 84 : 80;
break;
case ALGO_BITC:
data_size = 168;
break;
default:
data_size = 128;
break;
}
if (opt_algo != ALGO_HEAVY && opt_algo != ALGO_MJOLLNIR) {
for (int i = 0; i < (data_size >> 2); i++)
le32enc(work->data + i, work->data[i]);
}
str = bin2hex((uchar*)work->data, data_size);
if (unlikely(!str)) {
applog(LOG_ERR, "submit_upstream_work OOM");
return false;
}
/* build JSON-RPC request */
sprintf(s,
"{\"method\": \"getwork\", \"params\": [\"%s\"], \"id\":4}\r\n",
str);
/* issue JSON-RPC request */
val = json_rpc_call(curl, rpc_url, rpc_userpass, s, false, false, NULL);
if (unlikely(!val)) {
applog(LOG_ERR, "submit_upstream_work json_rpc_call failed");
return false;
}
res = json_object_get(val, "result");
reason = json_object_get(val, "reject-reason");
if (!share_result(json_is_true(res), reason ? json_string_value(reason) : NULL)) {
if (check_dups)
hashlog_purge_job(work->job_id);
}
json_decref(val);
free(str);
}
return true;
}
/* simplified method to only get some extra infos in solo mode */
static bool gbt_work_decode(const json_t *val, struct work *work)
{
json_t *err = json_object_get(val, "error");
if (err && !json_is_null(err)) {
allow_gbt = false;
applog(LOG_INFO, "GBT not supported, bloc height unavailable");
return false;
}
if (!work->height) {
// complete missing data from getwork
json_t *key = json_object_get(val, "height");
if (key && json_is_integer(key)) {
work->height = (uint32_t) json_integer_value(key);
if (!opt_quiet && work->height > g_work.height) {
applog(LOG_BLUE, "%s %s block %d", short_url,
algo_names[opt_algo], work->height);
g_work.height = work->height;
}
}
}
return true;
}
#define GBT_CAPABILITIES "[\"coinbasetxn\", \"coinbasevalue\", \"longpoll\", \"workid\"]"
static const char *gbt_req =
"{\"method\": \"getblocktemplate\", \"params\": ["
// "{\"capabilities\": " GBT_CAPABILITIES "}"
"], \"id\":0}\r\n";
static bool get_blocktemplate(CURL *curl, struct work *work)
{
if (!allow_gbt)
return false;
json_t *val = json_rpc_call(curl, rpc_url, rpc_userpass, gbt_req,
want_longpoll, false, NULL);
if (!val)
return false;
bool rc = gbt_work_decode(json_object_get(val, "result"), work);
json_decref(val);
return rc;
}
static const char *rpc_req =
"{\"method\": \"getwork\", \"params\": [], \"id\":0}\r\n";
static bool get_upstream_work(CURL *curl, struct work *work)
{
json_t *val;
bool rc;
struct timeval tv_start, tv_end, diff;
gettimeofday(&tv_start, NULL);
val = json_rpc_call(curl, rpc_url, rpc_userpass, rpc_req,
want_longpoll, false, NULL);
gettimeofday(&tv_end, NULL);
if (have_stratum) {
if (val)
json_decref(val);
return true;
}
if (!val)
return false;
rc = work_decode(json_object_get(val, "result"), work);
if (opt_protocol && rc) {
timeval_subtract(&diff, &tv_end, &tv_start);
/* show time because curl can be slower against versions/config */
applog(LOG_DEBUG, "got new work in %.2f ms",
(1000.0 * diff.tv_sec) + (0.001 * diff.tv_usec));
}
json_decref(val);
get_blocktemplate(curl, work);
return rc;
}
static void workio_cmd_free(struct workio_cmd *wc)
{
if (!wc)
return;
switch (wc->cmd) {
case WC_SUBMIT_WORK:
aligned_free(wc->u.work);
break;
default: /* do nothing */
break;
}
memset(wc, 0, sizeof(*wc)); /* poison */
free(wc);
}
static void workio_abort()
{
struct workio_cmd *wc;
/* fill out work request message */
wc = (struct workio_cmd *)calloc(1, sizeof(*wc));
if (!wc)
return;
wc->cmd = WC_ABORT;
/* send work request to workio thread */
if (!tq_push(thr_info[work_thr_id].q, wc)) {
workio_cmd_free(wc);
}
}
static bool workio_get_work(struct workio_cmd *wc, CURL *curl)
{
struct work *ret_work;
int failures = 0;
ret_work = (struct work*)aligned_calloc(sizeof(*ret_work));
if (!ret_work)
return false;
/* obtain new work from bitcoin via JSON-RPC */
while (!get_upstream_work(curl, ret_work)) {
if (unlikely((opt_retries >= 0) && (++failures > opt_retries))) {
applog(LOG_ERR, "json_rpc_call failed, terminating workio thread");
aligned_free(ret_work);
return false;
}
/* pause, then restart work-request loop */
applog(LOG_ERR, "json_rpc_call failed, retry after %d seconds",
opt_fail_pause);
sleep(opt_fail_pause);
}
/* send work to requesting thread */
if (!tq_push(wc->thr->q, ret_work))
aligned_free(ret_work);
return true;
}
static bool workio_submit_work(struct workio_cmd *wc, CURL *curl)
{
int failures = 0;
/* submit solution to bitcoin via JSON-RPC */
while (!submit_upstream_work(curl, wc->u.work)) {
if (unlikely((opt_retries >= 0) && (++failures > opt_retries))) {
applog(LOG_ERR, "...terminating workio thread");
return false;
}
/* pause, then restart work-request loop */
if (!opt_benchmark)