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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 <ccminer-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>
#include <process.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 "algos.h"
#include "sia/sia-rpc.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 10
#define HEAVYCOIN_BLKHDR_SZ 84
#define MNR_BLKHDR_SZ 80
#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 mtp *mtp;
} t;
union {
struct work *work;
} u;
int pooln;
};
bool opt_debug = false;
bool opt_debug_diff = false;
bool opt_debug_threads = false;
bool opt_protocol = false;
bool opt_benchmark = false;
bool opt_showdiff = true;
// 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;
bool check_stratum_jobs = false;
bool have_gbt = true;
bool allow_getwork = 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;
int opt_maxlograte = 3;
static int opt_retries = -1;
static int opt_fail_pause = 30;
int opt_time_limit = -1;
int opt_shares_limit = -1;
time_t firstwork_time = 0;
int opt_timeout = 300; // curl
int opt_scantime = 30;
static json_t *opt_config;
static const bool opt_time = true;
volatile enum sha_algos opt_algo = ALGO_AUTO;
int opt_n_threads = 0;
int gpu_threads = 1;
int64_t opt_affinity = -1L;
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};
uint32_t 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};
uint8_t device_tlimit[MAX_GPUS] = {0};
int8_t device_pstate[MAX_GPUS] = {-1, -1};
int32_t device_led[MAX_GPUS] = {-1, -1};
int opt_led_mode = 0;
int opt_cudaschedule = -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_on_hold = false;
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;
static unsigned char pk_script[25] = {0};
static size_t pk_script_size = 0;
static char coinbase_sig[101] = {0};
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 = NULL;
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;
pthread_mutex_t stats_lock;
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.;
double opt_resume_temp = 0.;
double opt_resume_diff = 0.;
double opt_resume_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 */
bool opt_stratum_stats = false;
static char const usage[] = "\
Usage: " PROGRAM_NAME " [OPTIONS]\n\
Options:\n\
-a, --algo=ALGO specify the hash algorithm to use\n\
blake Blake 256 (SFR)\n\
blake2s Blake2-S 256 (NEVA)\n\
blakecoin Fast Blake 256 (8 rounds)\n\
bmw BMW 256\n\
c11/flax X11 variant\n\
decred Decred Blake256\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\
lbry LBRY Credits (Sha/Ripemd)\n\
luffa Joincoin\n\
lyra2 CryptoCoin\n\
lyra2v2 VertCoin\n\
lyra2Z ZCoin\n\
m7 m7 (crytonite) hash\n\
mjollnir Mjollnircoin\n\
myr-gr Myriad-Groestl\n\
mtp Zcoin\n\
neoscrypt FeatherCoin, Phoenix, UFO...\n\
nist5 NIST5 (TalkCoin)\n\
penta Pentablake hash (5x Blake 512)\n\
quark Quark\n\
qubit Qubit\n\
sia SIA (Blake2B)\n\
sib Sibcoin (X11+Streebog)\n\
scrypt Scrypt\n\
scrypt-jane Scrypt-jane Chacha\n\
skein Skein SHA2 (Skeincoin)\n\
skein2 Double Skein (Woodcoin)\n\
s3 S3 (1Coin)\n\
vanilla Blake256-8 (VNL)\n\
veltor Thorsriddle streebog\n\
whirlcoin Old Whirlcoin (Whirlpool algo)\n\
whirlpool Whirlpool algo\n\
x11evo Permuted x11 (Revolver)\n\
x11 X11 (DarkCoin)\n\
x13 X13 (MaruCoin)\n\
x14 X14\n\
x15 X15\n\
x17 X17\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\
--cuda-schedule Set device threads scheduling mode (default: auto)\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 vote (for decred and 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\
--shares-limit maximum shares [s] to mine before exiting the program.\n\
--time-limit maximum time [s] to mine before exiting the program.\n\
-T, --timeout=N network timeout, in seconds (default: 300)\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\
--coinbase-addr=ADDR payout address for solo mining\n\
--coinbase-sig=TEXT data to insert in the coinbase when possible\n\
--no-getwork disable getwork support\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\
Can be tuned with --resume-diff=N to set a resume value\n"
#if 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"
#else /* via nvapi.dll */
"\
--mem-clock=3505 Set the gpu memory boost clock\n\
--gpu-clock=1150 Set the gpu engine boost clock\n\
--plimit=100 Set the gpu power limit in percentage\n\
--tlimit=80 Set the gpu thermal limit in degrees\n\
--led=100 Set the logo led level (0=disable, 0xFF00FF for RVB)\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
"\
--hide-diff hide submitted block and net difficulty (old mode)\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\
-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},
{"no-getwork", 0, NULL, 1010},
{"coinbase-addr", 1, NULL, 1016},
{"coinbase-sig", 1, NULL, 1015},
{"cpu-affinity", 1, NULL, 1020},
{"cpu-priority", 1, NULL, 1021},
{"cuda-schedule", 1, NULL, 1025},
{"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", 1, NULL, 'l'}, // scrypt
{"lookup-gap", 1, NULL, 'L'}, // scrypt
{"texture-cache", 1, NULL, 1051}, // scrypt
{"max-temp", 1, NULL, 1060},
{"max-diff", 1, NULL, 1061},
{"max-rate", 1, NULL, 1062},
{"resume-diff", 1, NULL, 1063},
{"resume-rate", 1, NULL, 1064},
{"resume-temp", 1, NULL, 1065},
{"pass", 1, NULL, 'p'},
{"pool-name", 1, NULL, 1100}, // pool
{"pool-algo", 1, NULL, 1101}, // pool
{"pool-scantime", 1, NULL, 1102}, // pool
{"pool-shares-limit", 1, NULL, 1109},
{"pool-time-limit", 1, NULL, 1108},
{"pool-max-diff", 1, NULL, 1161}, // pool
{"pool-max-rate", 1, NULL, 1162}, // pool
{"pool-disabled", 1, NULL, 1199}, // 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'},
{"show-diff", 0, NULL, 1013},
{"hide-diff", 0, NULL, 1014},
{"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},
{"tlimit", 1, NULL, 1075},
{"led", 1, NULL, 1080},
#ifdef HAVE_SYSLOG_H
{"syslog", 0, NULL, 'S'},
{"syslog-prefix", 1, NULL, 1018},
#endif
{"shares-limit", 1, NULL, 1009},
{"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\
--texture-cache comma separated list of flags (0/1/2) specifying\n\
which of the CUDA devices shall use the texture\n\
cache for mining. Kepler devices may profit.\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;
static char *lp_id;
// 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, 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(__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, unsigned long mask)
{
cpuset_t set;
CPU_ZERO(&set);
for (uint8_t i = 0; i < num_cpus; i++)
{
if (mask & (1UL << 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, unsigned long 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)
{
restart_threads();
if (abort_flag) /* already called */
return;
abort_flag = true;
usleep(200 * 1000);
cuda_shutdown();
if (reason == EXIT_CODE_OK && app_exit_code != EXIT_CODE_OK)
{
reason = app_exit_code;
}
pthread_mutex_lock(&stats_lock);
if (check_dups)
hashlog_purge_all();
stats_purge_all();
pthread_mutex_unlock(&stats_lock);
#ifdef WIN32
timeEndPeriod(1); // else never executed
#endif
#ifdef USE_WRAPNVML
if (hnvml)
{
for (int n = 0; n < opt_n_threads && !opt_keep_clocks; 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);
}
/*
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
// todo: endian reversed on longpoll could be zr5 specific...
uint32_t nbits = have_longpoll ? work->data[18] : swab32(work->data[18]);
if (opt_algo == ALGO_LBRY)
nbits = swab32(work->data[26]);
if (opt_algo == ALGO_DECRED)
nbits = work->data[29];
if (opt_algo == ALGO_SIA)
nbits = work->data[11]; // unsure if correct
uint32_t bits = (nbits & 0xffffff);
int16_t shift = (swab32(nbits) & 0xff); // 0x1c = 28
uint64_t diffone = 0x0000FFFF00000000ull;
double d = (double)0x0000ffff / (double)bits;
for (int m = shift; m < 29; m++)
d *= 256.0;
for (int m = 29; m < shift; m++)
d /= 256.0;
if (opt_algo == ALGO_DECRED && shift == 28)
d *= 256.0;
if (opt_debug_diff)
applog(LOG_DEBUG, "net diff: %f -> shift %u, bits %08x", d, shift, bits);
net_diff = d;
}
/* decode data from getwork (wallets and longpoll pools) */
static bool work_decode(const json_t *val, struct work *work)
{
int data_size, target_size = sizeof(work->target);
int adata_sz, atarget_sz = ARRAY_SIZE(work->target);
int i;
switch (opt_algo)
{
case ALGO_M7:
data_size = 122;
adata_sz = data_size / 4;
break;
case ALGO_DECRED:
data_size = 192;
adata_sz = 180 / 4;
break;
case ALGO_NEOSCRYPT:
case ALGO_ZR5:
data_size = 80;
adata_sz = data_size / 4;
break;
default:
data_size = 128;
adata_sz = data_size / 4;
}
if (!jobj_binary(val, "data", work->data, data_size))
{
json_t *obj = json_object_get(val, "data");
int len = obj ? (int)strlen(json_string_value(obj)) : 0;
if (!len || len > sizeof(work->data) * 2)
{
applog(LOG_ERR, "JSON invalid data (len %d <> %d)", len / 2, data_size);
return false;
}
else
{
data_size = len / 2;
if (!jobj_binary(val, "data", work->data, data_size))
{
applog(LOG_ERR, "JSON invalid data (len %d)", data_size);
return false;
}
}
}
if (!jobj_binary(val, "target", work->target, target_size))
{
applog(LOG_ERR, "JSON invalid 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_showdiff || opt_max_diff > 0.) && !allow_mininginfo)
calc_network_diff(work);
work->targetdiff = target_to_diff(work->target);
// for api stats, on longpoll pools
stratum_diff = work->targetdiff;
work->tx_count = use_pok = 0;
if (opt_algo == ALGO_ZR5 && 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 block
use_pok = 0;
if (opt_debug)
applog(LOG_WARNING,
"pok: large block ignored, tx len: %u", txlen);
work->tx_count = 0;
break;
}
hex2bin((uchar *)work->txspok[tx].data, hexstr, min(txlen, POK_MAX_TX_SZ));
work->txspok[tx].len = (uint32_t)(txlen);
totlen += txlen;
}
if (opt_debug)
applog(LOG_DEBUG, "block txs: %u, total len: %u", work->tx_count, totlen);
}
}
/* use work ntime as job id (solo-mining) */
cbin2hex(work->job_id, (const char *)&work->data[17], 4);
if (opt_algo == ALGO_DECRED)
{
uint16_t vote;
// always keep last bit of votebits
memcpy(&vote, &work->data[25], 2);
vote = (opt_vote << 1) | (vote & 1);
memcpy(&work->data[25], &vote, 2);
// some random extradata to make it unique
work->data[36] = (rand() * 4);
work->data[37] = (rand() * 4) << 8;
// required for the longpoll pool block info...
work->height = work->data[32];
if (!have_longpoll && work->height > net_blocks + 1)
{
char netinfo[64] = {0};
if (opt_showdiff && net_diff > 0.)
{
if (net_diff != work->targetdiff)
sprintf(netinfo, ", diff %.3f, pool %.1f", net_diff, work->targetdiff);
else
sprintf(netinfo, ", diff %.3f", net_diff);
}
applog(LOG_BLUE, "%s block %d%s",
algo_names[opt_algo], work->height, netinfo);
net_blocks = work->height - 1;
}
cbin2hex(work->job_id, (const char *)&work->data[34], 4);
}
return true;
}
#define YES "yes!"
#define YAY "yay!!!"
#define BOO "booooo"
int share_result(int result, int pooln, double sharediff, const char *reason)
{
const char *flag;
char suppl[32] = {0};
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]);
}
pthread_mutex_unlock(&stats_lock);
result ? p->accepted_count++ : p->rejected_count++;
p->last_share_time = time(NULL);
if (sharediff > p->best_share)
p->best_share = sharediff;
global_hashrate = llround(hashrate);
format_hashrate(hashrate, s);
if (opt_showdiff)
sprintf(suppl, "diff %.3f", sharediff);
else // accepted percent
sprintf(suppl, "%.2f%%", 100. * p->accepted_count / (p->accepted_count + p->rejected_count));
if (!net_diff || sharediff < net_diff)
{
flag = use_colors ? (result ? CL_GRN YES : CL_RED BOO)
: (result ? "(" YES ")" : "(" BOO ")");
}
else
{
p->solved_count++;
flag = use_colors ? (result ? CL_GRN YAY : CL_RED BOO)
: (result ? "(" YAY ")" : "(" BOO ")");
}
applog(LOG_NOTICE, "accepted: %lu/%lu (%s), %s %s",
p->accepted_count,
p->accepted_count + p->rejected_count,
suppl, s, flag);
if (reason)
{
applog(LOG_WARNING, "reject reason: %s", reason);
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)
{
char s[512];
struct pool_infos *pool = &pools[work->pooln];
json_t *val, *res, *reason;
bool stale_work = false;
int idnonce = 0;
/* discard if a newer block 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, sizeof(g_work.job_id) - 8);
if (stale_work) {
pool->stales_count++;
if (opt_debug) applog(LOG_DEBUG, "outdated job %s, new %s stales=%d",
work->job_id + 8 , g_work.job_id + 8, pool->stales_count);
if (!check_stratum_jobs && pool->stales_count > 5) {
if (!opt_quiet) applog(LOG_WARNING, "Enabled stratum stale jobs workaround");
check_stratum_jobs = true;
}
}
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, "block %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;
}
*/
if (pool->type & POOL_STRATUM)
{
uint32_t sent = 0;
uint32_t ntime, nonce;
char *ntimestr, *noncestr, *xnonce2str, *nvotestr;
uint16_t nvote = 0;
switch (opt_algo)
{
case ALGO_M7:
be64enc(&ntime, ((uint64_t *)work->data)[12]);
be32enc(&nonce, work->data[29]);
break;
case ALGO_BLAKE:
case ALGO_BLAKECOIN:
case ALGO_BLAKE2S:
case ALGO_BMW:
case ALGO_VANILLA:
// fast algos require that... (todo: regen hash)
check_dups = true;
le32enc(&ntime, work->data[17]);
le32enc(&nonce, work->data[19]);
break;
case ALGO_DECRED:
be16enc(&nvote, *((uint16_t *)&work->data[25]));
be32enc(&ntime, work->data[34]);
be32enc(&nonce, work->data[35]);
break;
case ALGO_HEAVY:
le32enc(&ntime, work->data[17]);
le32enc(&nonce, work->data[19]);
be16enc(&nvote, *((uint16_t *)&work->data[20]));
break;
case ALGO_LBRY:
check_dups = true;
le32enc(&ntime, work->data[25]);
le32enc(&nonce, work->data[27]);
break;
case ALGO_SIA:
be32enc(&ntime, work->data[10]);
be32enc(&nonce, work->data[8]);
break;
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)
{
printf("sent > 0 \n");
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;
}
if (opt_algo == ALGO_M7)
ntimestr = bin2hex((const uchar *)(&ntime), 8);
else
ntimestr = bin2hex((const uchar *)(&ntime), 4);
if (opt_algo == ALGO_DECRED)
{
xnonce2str = bin2hex((const uchar *)&work->data[36], stratum.xnonce1_size);
}
else if (opt_algo == ALGO_SIA)
{
uint16_t high_nonce = swab32(work->data[9]) >> 16;
xnonce2str = bin2hex((unsigned char *)(&high_nonce), 2);
}
else
{
xnonce2str = bin2hex(work->xnonce2, work->xnonce2_len);
}
// store to keep/display the solved ratio/diff
stratum.sharediff = work->sharediff[idnonce];
if (net_diff && stratum.sharediff > net_diff && (opt_debug || opt_debug_diff))
applog(LOG_INFO, "share diff: %.5f, possible block found!!!",
stratum.sharediff);
else if (opt_debug_diff)
applog(LOG_DEBUG, "share diff: %.5f (x %.1f)",
stratum.sharediff, work->shareratio);
if (opt_vote)
{ // ALGO_HEAVY ALGO_DECRED
nvotestr = bin2hex((const uchar *)(&nvote), 2);
sprintf(s, "{\"method\": \"mining.submit\", \"params\": ["