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ccminer.cpp
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/*
* Copyright 2010 Jeff Garzik
* Copyright 2012-2014 pooler
* Copyright 2014-2015 tpruvot
*
* 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 <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 <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 "miner.h"
#include <cuda_runtime.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 60
#define HEAVYCOIN_BLKHDR_SZ 84
#define MNR_BLKHDR_SZ 80
// from cuda.cpp
int cuda_num_devices();
void cuda_devicenames();
void cuda_reset_device(int thr_id, bool *init);
void cuda_shutdown();
int cuda_finddevice(char *name);
void cuda_print_devices();
#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;
int pooln;
};
enum sha_algos {
ALGO_ANIME,
ALGO_BLAKE,
ALGO_BLAKECOIN,
ALGO_C11,
ALGO_DEEP,
ALGO_DMD_GR,
ALGO_ETHER,
ALGO_FRESH,
ALGO_FUGUE256, /* Fugue256 */
ALGO_GROESTL,
ALGO_HEAVY, /* Heavycoin hash */
ALGO_KECCAK,
ALGO_JACKPOT,
ALGO_LUFFA,
ALGO_LYRA2,
ALGO_MJOLLNIR, /* Hefty hash */
ALGO_MYR_GR,
ALGO_NEOSCRYPT,
ALGO_NIST5,
ALGO_PENTABLAKE,
ALGO_QUARK,
ALGO_QUBIT,
ALGO_SCRYPT,
ALGO_SCRYPT_JANE,
ALGO_SKEIN,
ALGO_SKEIN2,
ALGO_S3,
ALGO_X11,
ALGO_X13,
ALGO_X14,
ALGO_X15,
ALGO_X17,
ALGO_WHIRLPOOLX,
ALGO_ZR5,
ALGO_COUNT
};
static const char *algo_names[] = {
"anime",
"blake",
"blakecoin",
"c11",
"deep",
"dmd-gr",
"ethash",
"fresh",
"fugue256",
"groestl",
"heavy",
"keccak",
"jackpot",
"luffa",
"lyra2",
"mjollnir",
"myr-gr",
"neoscrypt",
"nist5",
"penta",
"quark",
"qubit",
"scrypt",
"scrypt-jane",
"skein",
"skein2",
"s3",
"x11",
"x13",
"x14",
"x15",
"x17",
"whirlpoolx",
"zr5",
""
};
bool opt_debug = false;
bool opt_debug_threads = false;
bool opt_protocol = false;
bool opt_benchmark = false;
// todo: limit use of these flags,
// prefer the pools[] attributes
bool want_longpoll = true;
bool have_longpoll = false;
bool want_stratum = true;
bool have_stratum = false;
bool allow_gbt = true;
bool allow_mininginfo = true;
bool check_dups = false;
static bool submit_old = false;
bool use_syslog = false;
bool use_colors = true;
int use_pok = 0;
static bool opt_background = false;
bool opt_quiet = false;
static int opt_retries = -1;
static int opt_fail_pause = 30;
int opt_time_limit = -1;
time_t firstwork_time = 0;
int opt_timeout = 60; // curl
int opt_scantime = 10;
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_affinity = -1;
int opt_priority = 0;
static double opt_difficulty = 1.;
bool opt_extranonce = true;
bool opt_trust_pool = false;
uint16_t opt_vote = 9999;
int num_cpus;
int active_gpus;
char * device_name[MAX_GPUS];
short device_map[MAX_GPUS] = { 0 };
long device_sm[MAX_GPUS] = { 0 };
uint32_t gpus_intensity[MAX_GPUS] = { 0 };
uint32_t device_gpu_clocks[MAX_GPUS] = { 0 };
uint32_t device_mem_clocks[MAX_GPUS] = { 0 };
uint32_t device_plimit[MAX_GPUS] = { 0 };
int8_t device_pstate[MAX_GPUS] = { -1 };
static bool opt_keep_clocks = false;
// un-linked to cmdline scrypt options (useless)
int device_batchsize[MAX_GPUS] = { 0 };
int device_texturecache[MAX_GPUS] = { 0 };
int device_singlememory[MAX_GPUS] = { 0 };
// implemented scrypt options
int parallel = 2; // All should be made on GPU
char *device_config[MAX_GPUS] = { 0 };
int device_backoff[MAX_GPUS] = { 0 };
int device_lookup_gap[MAX_GPUS] = { 0 };
int device_interactive[MAX_GPUS] = { 0 };
int opt_nfactor = 0;
bool opt_autotune = true;
char *jane_params = NULL;
// pools (failover/getwork infos)
struct pool_infos pools[MAX_POOLS] = { 0 };
int num_pools = 1;
volatile int cur_pooln = 0;
bool opt_pool_failover = true;
volatile bool pool_is_switching = false;
volatile int pool_switch_count = 0;
bool conditional_pool_rotate = false;
// current connection
char *rpc_user = NULL;
char *rpc_pass;
char *rpc_url;
char *short_url = NULL;
struct stratum_ctx stratum = { 0 };
pthread_mutex_t stratum_sock_lock;
pthread_mutex_t stratum_work_lock;
char *opt_cert;
char *opt_proxy;
long opt_proxy_type;
struct thr_info *thr_info;
static int work_thr_id;
struct thr_api *thr_api;
int longpoll_thr_id = -1;
int stratum_thr_id = -1;
int api_thr_id = -1;
bool stratum_need_reset = false;
volatile bool abort_flag = false;
struct work_restart *work_restart = NULL;
static int app_exit_code = EXIT_CODE_OK;
pthread_mutex_t applog_lock;
static pthread_mutex_t stats_lock;
static double thr_hashrates[MAX_GPUS] = { 0 };
uint64_t global_hashrate = 0;
double stratum_diff = 0.0;
double net_diff = 0;
uint64_t net_hashrate = 0;
uint64_t net_blocks = 0;
// conditional mining
uint8_t conditional_state[MAX_GPUS] = { 0 };
double opt_max_temp = 0.0;
double opt_max_diff = -1.;
double opt_max_rate = -1.;
int opt_statsavg = 30;
// strdup on char* to allow a common free() if used
static char* opt_syslog_pfx = strdup(PROGRAM_NAME);
char *opt_api_allow = strdup("127.0.0.1"); /* 0.0.0.0 for all ips */
int opt_api_remote = 0;
int opt_api_listen = 4068; /* 0 to disable */
static char const usage[] = "\
Usage: " PROGRAM_NAME " [OPTIONS]\n\
Options:\n\
-a, --algo=ALGO specify the hash algorithm to use\n\
anime Animecoin\n\
blake Blake 256 (SFR)\n\
blakecoin Fast Blake 256 (8 rounds)\n\
c11/flax X11 variant\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 Joincoin\n\
lyra2 VertCoin\n\
mjollnir Mjollnircoin\n\
myr-gr Myriad-Groestl\n\
neoscrypt FeatherCoin, Phoenix, UFO...\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 SHA2 (Skeincoin)\n\
skein2 Double Skein (Woodcoin)\n\
s3 S3 (1Coin)\n\
x11 X11 (DarkCoin)\n\
x13 X13 (MaruCoin)\n\
x14 X14\n\
x15 X15\n\
x17 X17\n\
whirlpoolx WhirlpoolX (VNL)\n\
zr5 ZR5 (ZiftrCoin)\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[,N] GPU intensity 8.0-25.0 (default: auto) \n\
Decimals are allowed for fine tuning \n\
-f, --diff-factor Divide difficulty by this factor (default 1.0) \n\
-m, --diff-multiplier Multiply difficulty by this value (default 1.0) \n\
--vote=VOTE block reward vote (for HeavyCoin)\n\
--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\
-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: 60)\n\
-s, --scantime=N upper bound on time spent scanning current work when\n\
long polling is unavailable, in seconds (default: 10)\n\
-n, --ndevs list cuda devices\n\
-N, --statsavg number of samples used to compute 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\
--no-extranonce disable extranonce subscribe on stratum\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: 3) 0 idle, 2 normal to 5 highest\n\
-b, --api-bind=port IP:port for the miner API (default: 127.0.0.1:4068), 0 disabled\n\
--api-remote Allow remote control, like pool switching\n\
--max-temp=N Only mine if gpu temp is less than specified value\n\
--max-rate=N[KMG] Only mine if net hashrate is less than specified value\n\
--max-diff=N Only mine if net difficulty is less than specified value\n"
#if defined(USE_WRAPNVML) && (defined(__linux) || defined(_WIN64)) /* via nvml */
"\
--mem-clock=3505 Set the gpu memory max clock (346.72+ driver)\n\
--gpu-clock=1150 Set the gpu engine max clock (346.72+ driver)\n\
--pstate=0[,2] Set the gpu power state (352.21+ driver)\n\
--plimit=100W Set the gpu power limit (352.21+ driver)\n"
#endif
#ifdef HAVE_SYSLOG_H
"\
-S, --syslog use system log for output messages\n\
--syslog-prefix=... allow to change syslog tool name\n"
#endif
"\
-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\
-V, --version display version information and exit\n\
-h, --help display this help text and exit\n\
";
static char const short_options[] =
#ifdef HAVE_SYSLOG_H
"S"
#endif
"a:Bc:i:Dhp:Px:f:m:nqr:R:s:t:T:o:u:O:Vd:N:b:l:L:";
struct option options[] = {
{ "algo", 1, NULL, 'a' },
{ "api-bind", 1, NULL, 'b' },
{ "api-remote", 0, NULL, 1030 },
{ "background", 0, 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-extranonce", 0, NULL, 1012 },
{ "no-gbt", 0, NULL, 1011 },
{ "no-longpoll", 0, NULL, 1003 },
{ "no-stratum", 0, NULL, 1007 },
{ "no-autotune", 0, NULL, 1004 }, // scrypt
{ "interactive", 1, NULL, 1050 }, // scrypt
{ "launch-config", 0, NULL, 'l' }, // scrypt
{ "lookup-gap", 0, NULL, 'L' }, // scrypt
{ "max-temp", 1, NULL, 1060 },
{ "max-diff", 1, NULL, 1061 },
{ "max-rate", 1, NULL, 1062 },
{ "pass", 1, NULL, 'p' },
{ "pool-name", 1, NULL, 1100 }, // pool
{ "pool-removed", 1, NULL, 1101 }, // pool
{ "pool-scantime", 1, NULL, 1102 }, // pool
{ "pool-time-limit", 1, NULL, 1108 },
{ "pool-max-diff", 1, NULL, 1161 }, // pool
{ "pool-max-rate", 1, NULL, 1162 }, // pool
{ "protocol-dump", 0, NULL, 'P' },
{ "proxy", 1, NULL, 'x' },
{ "quiet", 0, NULL, 'q' },
{ "retries", 1, NULL, 'r' },
{ "retry-pause", 1, NULL, 'R' },
{ "scantime", 1, NULL, 's' },
{ "statsavg", 1, NULL, 'N' },
{ "gpu-clock", 1, NULL, 1070 },
{ "mem-clock", 1, NULL, 1071 },
{ "pstate", 1, NULL, 1072 },
{ "plimit", 1, NULL, 1073 },
{ "keep-clocks", 0, NULL, 1074 },
#ifdef HAVE_SYSLOG_H
{ "syslog", 0, NULL, 'S' },
{ "syslog-prefix", 1, NULL, 1018 },
#endif
{ "time-limit", 1, NULL, 1008 },
{ "threads", 1, NULL, 't' },
{ "vote", 1, NULL, 1022 },
{ "trust-pool", 0, NULL, 1023 },
{ "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-multiplier", 1, NULL, 'm' },
{ "diff-factor", 1, NULL, 'f' },
{ "diff", 1, NULL, 'f' }, // compat
{ 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\
--interactive comma separated list of flags (0/1) specifying\n\
which of the CUDA device you need to run at inter-\n\
active frame rates (because it drives a display).\n\
--no-autotune disable auto-tuning of kernel launch parameters\n\
";
struct work _ALIGN(64) g_work;
volatile time_t g_work_time;
pthread_mutex_t g_work_lock;
// get const array size (defined in ccminer.cpp)
int options_count()
{
int n = 0;
while (options[n].name != NULL)
n++;
return n;
}
#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);
}
#elif defined(WIN32) /* 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);
}
#else /* Martians */
static inline void drop_policy(void) { }
static void affine_to_cpu_mask(int id, uint8_t 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
*/
void proper_exit(int reason)
{
abort_flag = true;
usleep(200 * 1000);
cuda_shutdown();
if (reason == EXIT_CODE_OK && app_exit_code != EXIT_CODE_OK) {
reason = app_exit_code;
}
if (check_dups)
hashlog_purge_all();
stats_purge_all();
#ifdef WIN32
timeEndPeriod(1); // else never executed
#endif
#ifdef USE_WRAPNVML
if (hnvml && !opt_keep_clocks) {
for (int n=0; n < opt_n_threads; n++) {
nvml_reset_clocks(hnvml, device_map[n]);
}
nvml_destroy(hnvml);
}
#endif
free(opt_syslog_pfx);
free(opt_api_allow);
free(work_restart);
//free(thr_info);
exit(reason);
}
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;
}
/* compute nbits to get the network diff */
static void calc_network_diff(struct work *work)
{
// sample for diff 43.281 : 1c05ea29
uchar rtarget[48] = { 0 };
uint64_t diffone = 0xFFFF000000000000ull; //swab64(0xFFFFull);
uint64_t *data64, d64;
// todo: endian reversed on longpoll could be zr5 specific...
uint32_t nbits = have_longpoll ? work->data[18] : swab32(work->data[18]);
uint32_t shift = (swab32(nbits) & 0xff); // 0x1c = 28
uint32_t bits = (nbits & 0xffffff);
int shfb = 8 * (26 - (shift - 3));
switch (opt_algo) {
case ALGO_ANIME:
case ALGO_QUARK:
diffone = 0xFFFFFF0000000000ull;
break;
case ALGO_SCRYPT:
case ALGO_SCRYPT_JANE:
// cant get the right value on these 3 algos...
diffone = 0xFFFFFFFF00000000ull;
net_diff = 0.;
break;
case ALGO_NEOSCRYPT:
// todo/check... (neoscrypt data is reversed)
if (opt_debug)
applog(LOG_DEBUG, "diff: %08x -> shift %u, bits %08x, shfb %d", nbits, shift, bits, shfb);
net_diff = 0.;
return;
}
bn_nbits_to_uchar(nbits, rtarget);
data64 = (uint64_t*)(rtarget + 4);
switch (opt_algo) {
case ALGO_HEAVY:
data64 = (uint64_t*)(rtarget + 2);
break;
case ALGO_ANIME:
case ALGO_QUARK:
data64 = (uint64_t*)(rtarget + 3);
break;
}
d64 = swab64(*data64);
if (!d64)
d64 = 1;
net_diff = (double)diffone / d64; // 43.281
if (opt_debug)
applog(LOG_DEBUG, "diff: %08x -> shift %u, bits %08x, shfb %d -> %.5f (pool %u)",
nbits, shift, bits, shfb, net_diff, work->pooln);
}
static bool work_decode(const json_t *val, struct work *work)
{
int data_size = sizeof(work->data), target_size = sizeof(work->target);
int adata_sz = ARRAY_SIZE(work->data), atarget_sz = ARRAY_SIZE(work->target);
int i;
if (opt_algo == ALGO_NEOSCRYPT || opt_algo == ALGO_ZR5) {
data_size = 80; adata_sz = 20;
}
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_HEAVY) {
if (unlikely(!jobj_binary(val, "maxvote", &work->maxvote, sizeof(work->maxvote)))) {
work->maxvote = 2048;
}
} else work->maxvote = 0;
for (i = 0; i < adata_sz; i++)
work->data[i] = le32dec(work->data + i);
for (i = 0; i < atarget_sz; i++)
work->target[i] = le32dec(work->target + i);
if (opt_max_diff > 0. && !allow_mininginfo)
calc_network_diff(work);
work->tx_count = use_pok = 0;
if (work->data[0] & POK_BOOL_MASK) {
use_pok = 1;
json_t *txs = json_object_get(val, "txs");
if (txs && json_is_array(txs)) {
size_t idx, totlen = 0;
json_t *p;
json_array_foreach(txs, idx, p) {
const int tx = work->tx_count % POK_MAX_TXS;
const char* hexstr = json_string_value(p);
size_t txlen = strlen(hexstr)/2;
work->tx_count++;
if (work->tx_count > POK_MAX_TXS || txlen >= POK_MAX_TX_SZ) {
// when tx is too big, just reset use_pok for the bloc
use_pok = 0;
if (opt_debug) applog(LOG_WARNING,
"pok: large bloc ignored, tx len: %u", txlen);
work->tx_count = 0;
break;
}
hex2bin((uchar*)work->txs[tx].data, hexstr, min(txlen, POK_MAX_TX_SZ));
work->txs[tx].len = txlen;
totlen += txlen;
}
if (opt_debug)
applog(LOG_DEBUG, "bloc txs: %u, total len: %u", work->tx_count, totlen);
}
}
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
*/
static void calc_target_diff(struct work *work)
{
// sample for diff 32.53 : 00000007de5f0000
char rtarget[32];
uint64_t diffone = 0xFFFF000000000000ull;
uint64_t *data64, d64;
swab256(rtarget, work->target);
data64 = (uint64_t*)(rtarget + 3);
switch (opt_algo) {
case ALGO_NEOSCRYPT: /* diffone in work->target[7] ? */
//case ALGO_SCRYPT:
//case ALGO_SCRYPT_JANE:
// todo/check...
work->difficulty = 0.;
return;
case ALGO_HEAVY:
data64 = (uint64_t*)(rtarget + 2);
break;
}
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, int pooln, const char *reason)
{
char s[32] = { 0 };
double hashrate = 0.;
struct pool_infos *p = &pools[pooln];
pthread_mutex_lock(&stats_lock);
for (int i = 0; i < opt_n_threads; i++) {
hashrate += stats_get_speed(i, thr_hashrates[i]);
}
result ? p->accepted_count++ : p->rejected_count++;
pthread_mutex_unlock(&stats_lock);
global_hashrate = llround(hashrate);
format_hashrate(hashrate, s);
applog(LOG_NOTICE, "accepted: %lu/%lu (%.2f%%), %s %s",
p->accepted_count,
p->accepted_count + p->rejected_count,
100. * p->accepted_count / (p->accepted_count + p->rejected_count),
s,
use_colors ?
(result ? CL_GRN "yay!!!" : CL_RED "booooo")
: (result ? "(yay!!!)" : "(booooo)"));
if (reason) {
applog(LOG_WARNING, "reject reason: %s", reason);
/* if (strncasecmp(reason, "low difficulty", 14) == 0) {
opt_difficulty = (opt_difficulty * 2.0) / 3.0;
applog(LOG_WARNING, "difficulty factor reduced to : %0.2f", opt_difficulty);
return 0;
} */
if (!check_dups && strncasecmp(reason, "duplicate", 9) == 0) {
applog(LOG_WARNING, "enabling duplicates check feature");
check_dups = true;
g_work_time = 0;
}
}
return 1;
}
static bool submit_upstream_work(CURL *curl, struct work *work)
{
struct pool_infos *pool = &pools[work->pooln];
json_t *val, *res, *reason;
bool stale_work = false;
char s[384];
if (pool->type & POOL_ETHER)
return ether_submitwork(curl, pool, work);
/* discard if a newer bloc was received */
stale_work = work->height && work->height < g_work.height;
if (have_stratum && !stale_work && opt_algo != ALGO_ZR5 && opt_algo != ALGO_SCRYPT_JANE) {
pthread_mutex_lock(&g_work_lock);
if (strlen(work->job_id + 8))
stale_work = strncmp(work->job_id + 8, g_work.job_id + 8, 4);
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);
return true;
}
}
}
if (!stale_work && opt_algo == ALGO_ZR5 && !have_stratum) {
stale_work = (memcmp(&work->data[1], &g_work.data[1], 68));
}
if (!submit_old && stale_work) {
if (opt_debug)
applog(LOG_WARNING, "stale work detected, discarding");
return true;
}
calc_target_diff(work);
if (pool->type & POOL_STRATUM) {
uint32_t sent = 0;
uint32_t ntime, nonce;
uint16_t nvote;
char *ntimestr, *noncestr, *xnonce2str, *nvotestr;
switch (opt_algo) {
case ALGO_ZR5:
check_dups = true;
be32enc(&ntime, work->data[17]);
be32enc(&nonce, work->data[19]);
break;
default:
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
g_work_time = 0;
restart_threads();
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}",
pool->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}",
pool->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");
return false;
}
if (check_dups)
hashlog_remember_submit(work, nonce);
} else {
int data_size = sizeof(work->data);
int adata_sz = ARRAY_SIZE(work->data);
/* build hex string */
char *str = NULL;
if (opt_algo == ALGO_ZR5) {
data_size = 80; adata_sz = 20;
}
if (opt_algo != ALGO_HEAVY && opt_algo != ALGO_MJOLLNIR) {
for (int i = 0; i < adata_sz; 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_pool(curl, pool, 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),
work->pooln,
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) {
if (net_diff > 0.) {
char netinfo[64] = { 0 };
char srate[32] = { 0 };
sprintf(netinfo, "diff %.2f", net_diff);
if (net_hashrate) {
format_hashrate((double) net_hashrate, srate);
strcat(netinfo, ", net ");
strcat(netinfo, srate);
}
applog(LOG_BLUE, "%s block %d, %s",
algo_names[opt_algo], work->height, netinfo);
} else {
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\": ["