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ccminer.cpp
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/*
* Copyright 2010 Jeff Garzik
* Copyright 2012-2014 pooler
* Copyright 2014-2017 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>
#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 "crypto/xmr-rpc.h"
#include "equi/equihash.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
#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;
};
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;
bool opt_hwmonitor = 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 = true; //false;
bool check_stratum_jobs = false;
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 = 10;
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;
bool need_nvsettings = false;
char * device_name[MAX_GPUS];
short device_map[MAX_GPUS] = { 0 };
long device_sm[MAX_GPUS] = { 0 };
short device_mpcount[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 };
int32_t device_mem_offsets[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 }; // scrypt
int device_bfactor[MAX_GPUS] = { 0 }; // cryptonight
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;
extern char* opt_scratchpad_url;
// 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 = 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;
int monitor_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;
#define API_MCAST_CODE "FTW"
#define API_MCAST_ADDR "224.0.0.75"
// strdup on char* to allow a common free() if used
static char* opt_syslog_pfx = strdup(PROGRAM_NAME);
char *opt_api_bind = strdup("127.0.0.1"); /* 0.0.0.0 for all ips */
int opt_api_port = 4068; /* 0 to disable */
char *opt_api_allow = NULL;
char *opt_api_groups = NULL;
bool opt_api_mcast = false;
char *opt_api_mcast_addr = strdup(API_MCAST_ADDR);
char *opt_api_mcast_code = strdup(API_MCAST_CODE);
char *opt_api_mcast_des = strdup("");
int opt_api_mcast_port = 4068;
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\
bastion Hefty bastion\n\
bitcore Timetravel-10\n\
blake Blake 256 (SFR)\n\
blake2s Blake2-S 256 (NEVA)\n\
blakecoin Fast Blake 256 (8 rounds)\n\
bmw BMW 256\n\
cryptolight AEON cryptonight (MEM/2)\n\
cryptonight XMR cryptonight\n\
c11/flax X11 variant\n\
decred Decred Blake256\n\
deep Deepcoin\n\
equihash Zcash Equihash\n\
dmd-gr Diamond-Groestl\n\
fresh Freshcoin (shavite 80)\n\
fugue256 Fuguecoin\n\
groestl Groestlcoin\n\
heavy Heavycoin\n\
hmq1725 Doubloons / Espers\n\
jha JHA v8 (JackpotCoin)\n\
keccak Keccak-256 (Maxcoin)\n\
lbry LBRY Credits (Sha/Ripemd)\n\
luffa Joincoin\n\
lyra2 CryptoCoin\n\
lyra2v2 VertCoin\n\
lyra2z ZeroCoin (3rd impl)\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\
sha256d SHA256d (bitcoin)\n\
sha256t SHA256 x3\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\
timetravel Machinecoin permuted x8\n\
tribus Denerius\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\
wildkeccak Boolberry\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\
--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, imply --api-allow=0/0\n\
--api-allow=... IP/mask of the allowed api client(s), 0/0 for all\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\
--max-log-rate Interval to reduce per gpu hashrate logs (default: 3)\n"
#if defined(__linux) /* 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:k: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 },
{ "api-allow", 1, NULL, 1031 },
{ "api-groups", 1, NULL, 1032 },
{ "api-mcast", 0, NULL, 1033 },
{ "api-mcast-addr", 1, NULL, 1034 },
{ "api-mcast-code", 1, NULL, 1035 },
{ "api-mcast-port", 1, NULL, 1036 },
{ "api-mcast-des", 1, NULL, 1037 },
{ "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 },
{ "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
{ "lookup-gap", 1, NULL, 'L' }, // scrypt
{ "texture-cache", 1, NULL, 1051 },// scrypt
{ "launch-config", 1, NULL, 'l' }, // scrypt bbr xmr
{ "scratchpad", 1, NULL, 'k' }, // bbr
{ "bfactor", 1, NULL, 1055 }, // xmr
{ "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 },
{ "max-log-rate", 1, NULL, 1019 },
#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\
";
static char const xmr_usage[] = "\n\
CryptoNight specific options:\n\
-l, --launch-config gives the launch configuration for each kernel\n\
in a comma separated list, one per device.\n\
--bfactor=[0-12] Run Cryptonight core kernel in smaller pieces,\n\
From 0 (ui freeze) to 12 (smooth), win default is 11\n\
This is a per-device setting like the launch config.\n\
";
static char const bbr_usage[] = "\n\
Boolberry specific options:\n\
-l, --launch-config gives the launch configuration for each kernel\n\
in a comma separated list, one per device.\n\
-k, --scratchpad url Url used to download the scratchpad cache.\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, 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]);
}
void format_hashrate(double hashrate, char *output)
{
if (opt_algo == ALGO_EQUIHASH)
format_hashrate_unit(hashrate, output, "Sol/s");
else
format_hashrate_unit(hashrate, output, "H/s");
}
/**
* 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_bind);
if (opt_api_allow) free(opt_api_allow);
if (opt_api_groups) free(opt_api_groups);
free(opt_api_mcast_addr);
free(opt_api_mcast_code);
free(opt_api_mcast_des);
//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
if (opt_algo == ALGO_EQUIHASH) {
net_diff = equi_network_diff(work);
return;
}
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_DECRED:
data_size = 192;
adata_sz = 180/4;
break;
case ALGO_NEOSCRYPT:
case ALGO_ZR5:
data_size = 80;
adata_sz = data_size / 4;
break;
case ALGO_CRYPTOLIGHT:
case ALGO_CRYPTONIGHT:
case ALGO_WILDKECCAK:
return rpc2_job_decode(val, work);
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->txs[tx].data, hexstr, min(txlen, POK_MAX_TX_SZ));
work->txs[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 solved[16] = { 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 ")");
sprintf(solved, " solved: %u", p->solved_count);
}
applog(LOG_NOTICE, "accepted: %lu/%lu (%s), %s %s%s",
p->accepted_count,
p->accepted_count + p->rejected_count,
suppl, s, flag, solved);
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 = work->submit_nonce_id;
if (pool->type & POOL_STRATUM && stratum.rpc2) {
struct work submit_work;
memcpy(&submit_work, work, sizeof(struct work));
if (!hashlog_already_submittted(submit_work.job_id, submit_work.nonces[idnonce])) {
if (rpc2_stratum_submit(pool, &submit_work))
hashlog_remember_submit(&submit_work, submit_work.nonces[idnonce]);
stratum.job.shares_count++;
}
return true;
}
if (pool->type & POOL_STRATUM && stratum.is_equihash) {
struct work submit_work;
memcpy(&submit_work, work, sizeof(struct work));
//if (!hashlog_already_submittted(submit_work.job_id, submit_work.nonces[idnonce])) {
if (equi_stratum_submit(pool, &submit_work))
hashlog_remember_submit(&submit_work, submit_work.nonces[idnonce]);
stratum.job.shares_count++;
//}
return true;
}
/* 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 = work->nonces[idnonce];
char *ntimestr, *noncestr, *xnonce2str, *nvotestr;
uint16_t nvote = 0;
switch (opt_algo) {
case ALGO_BLAKE:
case ALGO_BLAKECOIN:
case ALGO_BLAKE2S:
case ALGO_BMW:
case ALGO_SHA256D:
case ALGO_SHA256T:
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) {
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);
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);
}