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cpu-miner.c
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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"
#define _GNU_SOURCE
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <inttypes.h>
#include <unistd.h>
#include <sys/time.h>
#include <time.h>
#if !defined(_WIN64) && !defined(_WIN32)
#include <sys/mman.h>
#endif
#ifdef WIN32
#include <winsock2.h>
#include <windows.h>
#else
#include <errno.h>
#include <signal.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 <jansson.h>
#include <curl/curl.h>
#include "compat.h"
#include "miner.h"
#define PROGRAM_NAME "minerd"
#define LP_SCANTIME 60
#define JSON_BUF_LEN 345
#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 inline void affine_to_cpu(int id, int cpu) {
cpu_set_t set;
CPU_ZERO(&set);
CPU_SET(cpu, &set);
sched_setaffinity(0, sizeof(set), &set);
}
#elif defined(__FreeBSD__) /* FreeBSD specific policy and affinity management */
#include <sys/cpuset.h>
static inline void drop_policy(void)
{
}
static inline void affine_to_cpu(int id, int cpu)
{
cpuset_t set;
CPU_ZERO(&set);
CPU_SET(cpu, &set);
cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID, -1, sizeof(cpuset_t), &set);
}
#else
static inline void drop_policy(void)
{
}
static inline void affine_to_cpu(int id, int cpu)
{
}
#endif
enum workio_commands {
WC_GET_WORK, WC_SUBMIT_WORK,
};
struct workio_cmd {
enum workio_commands cmd;
struct thr_info *thr;
union {
struct work *work;
} u;
};
enum mining_algo {
ALGO_SCRYPT, /* scrypt(1024,1,1) */
ALGO_SHA256D, /* SHA-256d */
ALGO_KECCAK, /* Keccak */
ALGO_HEAVY, /* Heavy */
ALGO_QUARK, /* Quark */
ALGO_SKEIN, /* Skein */
ALGO_SHAVITE3, /* Shavite3 */
ALGO_BLAKE, /* Blake */
ALGO_X11, /* X11 */
ALGO_WILD_KECCAK, /* Boolberry */
ALGO_CRYPTONIGHT, /* CryptoNight */
};
static const char *algo_names[] = {
[ALGO_SCRYPT] = "scrypt",
[ALGO_SHA256D] = "sha256d",
[ALGO_KECCAK] = "keccak",
[ALGO_HEAVY] = "heavy",
[ALGO_QUARK] = "quark",
[ALGO_SKEIN] = "skein",
[ALGO_SHAVITE3] = "shavite3",
[ALGO_BLAKE] = "blake",
[ALGO_X11] = "x11",
[ALGO_WILD_KECCAK] = "wildkeccak",
[ALGO_CRYPTONIGHT] = "cryptonight",
};
bool opt_debug = false;
bool opt_protocol = false;
static bool opt_benchmark = false;
bool opt_redirect = true;
bool want_longpoll = true;
bool have_longpoll = false;
bool want_stratum = true;
bool have_stratum = false;
static bool submit_old = false;
bool use_syslog = false;
static bool opt_background = false;
static bool opt_quiet = false;
static int opt_retries = -1;
static int opt_fail_pause = 10;
bool jsonrpc_2 = false;
int opt_timeout = 0;
static int opt_scantime = 5;
static json_t *opt_config;
static const bool opt_time = true;
static enum mining_algo opt_algo = ALGO_SCRYPT;
static int opt_n_threads;
static int num_processors;
static char *rpc_url;
static char *rpc_userpass;
static char *rpc_user, *rpc_pass;
char *opt_cert;
char *opt_proxy;
long opt_proxy_type;
struct thr_info *thr_info;
static int work_thr_id;
int longpoll_thr_id = -1;
int stratum_thr_id = -1;
struct work_restart *work_restart = NULL;
static struct stratum_ctx stratum;
char rpc2_id[65] = "";
static char *rpc2_blob = NULL;
static int rpc2_bloblen = 0;
static uint32_t rpc2_target = 0;
static char *rpc2_job_id = NULL;
volatile bool stratum_have_work = false;
uint64_t* pscratchpad_buff = NULL;
volatile uint64_t scratchpad_size = 0;
static char scratchpad_file[PATH_MAX];
static const char cachedir_suffix[] = "boolberry"; /* scratchpad cache saved as ~/.cache/boolberry/scratchpad.bin */
struct scratchpad_hi current_scratchpad_hi = {0};
static struct addendums_array_entry add_arr[WILD_KECCAK_ADDENDUMS_ARRAY_SIZE] = {0};
static char last_found_nonce[200] = "";
static time_t prev_save = 0;
static const char * pscratchpad_url = NULL;
static const char * pscratchpad_local_cache = NULL;
pthread_mutex_t applog_lock;
static pthread_mutex_t stats_lock;
static pthread_mutex_t rpc2_job_lock;
static pthread_mutex_t rpc2_login_lock;
static pthread_mutex_t rpc2_getscratchpad_lock;
static unsigned long accepted_count = 0L;
static unsigned long rejected_count = 0L;
static double *thr_hashrates;
#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 algorithm to use\n\
scrypt scrypt(1024, 1, 1) (default)\n\
sha256d SHA-256d\n\
keccak Keccak\n\
quark Quark\n\
heavy Heavy\n\
skein Skein\n\
shavite3 Shavite3\n\
blake Blake\n\
x11 X11\n\
cryptonight CryptoNight\n\
wildkeccak WildKeccak\n\
-k --scratchpad=URL URL of inital scratchpad file\n\
-l --scratchpad_local_cache=PATH PATH to local scratchpad file\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 processors)\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\
-T, --timeout=N timeout for long polling, in seconds (default: none)\n\
-s, --scantime=N upper bound on time spent scanning current work when\n\
long polling is unavailable, in seconds (default: 5)\n\
--no-longpoll disable X-Long-Polling support\n\
--no-stratum disable X-Stratum support\n\
--no-redirect ignore requests to change the URL of the mining server\n\
-q, --quiet disable per-thread hashmeter output\n\
-D, --debug enable debug output\n\
-P, --protocol-dump verbose dump of protocol-level activities\n"
#ifdef HAVE_SYSLOG_H
"\
-S, --syslog use system log for output messages\n"
#endif
#ifndef WIN32
"\
-B, --background run the miner in the background\n"
#endif
"\
--benchmark run in offline benchmark mode\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[] =
#ifndef WIN32
"B"
#endif
#ifdef HAVE_SYSLOG_H
"S"
#endif
"a:c:Dhp:Px:qr:R:s:t:T:o:u:O:V:k:l";
static struct option const options[] = {
{ "algo", 1, NULL, 'a' },
#ifndef WIN32
{ "background", 0, NULL, 'B' },
#endif
{ "benchmark", 0, NULL, 1005 },
{ "scratchpad", 1, NULL, 'k'},
{ "scratchpad_local_cache", 1, NULL, 'l'},
{ "cert", 1, NULL, 1001 },
{ "config", 1, NULL, 'c' },
{ "debug", 0, NULL, 'D' },
{ "help", 0, NULL, 'h' },
{ "no-longpoll", 0, NULL, 1003 },
{ "no-redirect", 0, NULL, 1009 },
{ "no-stratum", 0, NULL, 1007 },
{ "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' },
{ "scantime", 1, NULL, 's' },
#ifdef HAVE_SYSLOG_H
{ "syslog", 0, NULL, 'S' },
#endif
{ "threads", 1, NULL, 't' },
{ "timeout", 1, NULL, 'T' },
{ "url", 1, NULL, 'o' },
{ "user", 1, NULL, 'u' },
{ "userpass", 1, NULL, 'O' },
{ "version", 0, NULL, 'V' },
{ 0, 0, 0, 0 }
};
static struct work g_work;
static time_t g_work_time;
static pthread_mutex_t g_work_lock;
static bool rpc2_login(CURL *curl);
static void workio_cmd_free(struct workio_cmd *wc);
json_t *json_rpc2_call_recur(CURL *curl, const char *url,
const char *userpass, json_t *rpc_req,
int *curl_err, int flags, int recur)
{
if(recur >= 5) {
if(opt_debug)
applog(LOG_DEBUG, "Failed to call rpc command after %i tries", recur);
return NULL;
}
if(!strcmp(rpc2_id, "")) {
if(opt_debug)
applog(LOG_DEBUG, "Tried to call rpc2 command before authentication");
return NULL;
}
json_t *params = json_object_get(rpc_req, "params");
if (params) {
json_t *auth_id = json_object_get(params, "id");
if (auth_id) {
json_string_set(auth_id, rpc2_id);
}
}
json_t *res = json_rpc_call(curl, url, userpass, json_dumps(rpc_req, 0),
curl_err, flags | JSON_RPC_IGNOREERR);
if(!res) goto end;
json_t *error = json_object_get(res, "error");
if(!error) goto end;
json_t *message;
if(json_is_string(error))
message = error;
else
message = json_object_get(error, "message");
if(!message || !json_is_string(message))
goto end;
const char *mes = json_string_value(message);
if(!strcmp(mes, "Unauthenticated")) {
pthread_mutex_lock(&rpc2_login_lock);
rpc2_login(curl);
sleep(1);
pthread_mutex_unlock(&rpc2_login_lock);
return json_rpc2_call_recur(curl, url, userpass, rpc_req,
curl_err, flags, recur + 1);
} else if(!strcmp(mes, "Low difficulty share") || !strcmp(mes, "Block expired") || !strcmp(mes, "Invalid job id") || !strcmp(mes, "Duplicate share")) {
json_t *result = json_object_get(res, "result");
if(!result) {
goto end;
}
json_object_set(result, "reject-reason", json_string(mes));
} else {
applog(LOG_ERR, "json_rpc2.0 error: %s", mes);
return NULL;
}
end:
return res;
}
json_t *json_rpc2_call(CURL *curl, const char *url,
const char *userpass, const char *rpc_req,
int *curl_err, int flags)
{
return json_rpc2_call_recur(curl, url, userpass, JSON_LOADS(rpc_req, NULL),
curl_err, flags, 0);
}
static inline void work_free(struct work *w) {
free(w->job_id);
free(w->xnonce2);
}
static inline void work_copy(struct work *dest, const struct work *src) {
memcpy(dest, src, sizeof(struct work));
if (src->job_id)
dest->job_id = strdup(src->job_id);
if (src->xnonce2) {
dest->xnonce2 = malloc(src->xnonce2_len);
memcpy(dest->xnonce2, src->xnonce2, src->xnonce2_len);
}
}
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(buf, hexstr, buflen))
return false;
return true;
}
const char* get_json_string_param(const json_t *val, const char* param_name)
{
json_t *tmp;
tmp = json_object_get(val, param_name);
if(!tmp) {
return NULL;
}
return json_string_value(tmp);
}
bool parse_height_info(const json_t *hi_section, struct scratchpad_hi* phi)
{
if(!phi || !hi_section)
{
applog(LOG_ERR, "parse_height_info: wrong params");
goto err_out;
}
json_t *height = json_object_get(hi_section, "height");
if(!height) {
applog(LOG_ERR, "JSON inval hi, no height param");
goto err_out;
}
if(!json_is_integer(height))
{
applog(LOG_ERR, "JSON inval hi: height is not integer ");
goto err_out;
}
uint64_t hi_h = (uint64_t)json_integer_value(height);
if(!hi_h)
{
applog(LOG_ERR, "JSON inval hi: height is 0");
goto err_out;
}
const char* block_id = get_json_string_param(hi_section, "block_id");
if(!block_id) {
applog(LOG_ERR, "JSON inval hi: block_id not found ");
goto err_out;
}
unsigned char prevhash[32] = {};
size_t len = hex2bin_len(prevhash, block_id, 32);
if(len != 32)
{
applog(LOG_ERR, "JSON inval hi: block_id wrong len %d", len);
goto err_out;
}
phi->height = hi_h;
memcpy(phi->prevhash, prevhash, 32);
return true;
err_out:
return false;
}
void reset_scratchpad(void)
{
current_scratchpad_hi.height = 0;
scratchpad_size = 0;
//unlink(scratchpad_file);
}
bool patch_scratchpad_with_addendum(uint64_t global_add_startpoint, uint64_t* padd_buff, size_t count/*uint64 units*/)
{
for(int i = 0; i < count; i += 4)
{
uint64_t global_offset = (padd_buff[i]%(global_add_startpoint/4))*4;
for(int j = 0; j != 4; j++)
pscratchpad_buff[global_offset + j] ^= padd_buff[i + j];
}
return true;
}
bool apply_addendum(uint64_t* padd_buff, size_t count/*uint64 units*/)
{
if(WILD_KECCAK_SCRATCHPAD_BUFFSIZE <= (scratchpad_size + count)*8 )
{
applog(LOG_ERR, "!!!!!!! WILD_KECCAK_SCRATCHPAD_BUFFSIZE overflowed !!!!!!!! please increase this constant! ");
return false;
}
if(!patch_scratchpad_with_addendum(scratchpad_size, padd_buff, count))
{
applog(LOG_ERR, "patch_scratchpad_with_addendum is broken, resetting scratchpad");
reset_scratchpad();
return false;
}
for(int k = 0; k != count; k++)
pscratchpad_buff[scratchpad_size+k] = padd_buff[k];
scratchpad_size += count;
return true;
}
bool pop_addendum(struct addendums_array_entry* padd_entry)
{
if(!padd_entry)
return false;
if(!padd_entry->add_size || !padd_entry->prev_hi.height)
{
applog(LOG_ERR, "wrong parameters");
return false;
}
patch_scratchpad_with_addendum(scratchpad_size - padd_entry->add_size, &pscratchpad_buff[scratchpad_size - padd_entry->add_size], padd_entry->add_size);
scratchpad_size = scratchpad_size - padd_entry->add_size;
memcpy(¤t_scratchpad_hi, &padd_entry->prev_hi, sizeof(padd_entry->prev_hi));
memset(padd_entry, 0, sizeof(struct addendums_array_entry));
return true;
}
bool revert_scratchpad()
{
//playback scratchpad addendums for whole add_arr
size_t i_ = 0;
size_t i = 0;
size_t arr_size = sizeof(add_arr)/sizeof(add_arr[0]);
for(i_=0; i_ != arr_size; i_++)
{
i = arr_size-(i_+1);
if(!add_arr[i].prev_hi.height)
continue;
pop_addendum(&add_arr[i]);
}
return true;
}
bool push_addendum_info(struct scratchpad_hi* pprev_hi, uint64_t size /* uint64 units count*/)
{
//find last free entry
size_t i = 0;
size_t arr_size = sizeof(add_arr)/sizeof(add_arr[0]);
for(i=0; i != arr_size; i++)
{
if(!add_arr[i].prev_hi.height)
break;
}
if(i >= arr_size)
{//shift array
memmove(&add_arr[0], &add_arr[1], (arr_size-1)*sizeof(add_arr[0]));
i = arr_size - 1;
}
memcpy(&add_arr[i].prev_hi, pprev_hi, sizeof(add_arr[i].prev_hi));
add_arr[i].add_size = size;
return true;
}
bool addendum_decode(const json_t *addm)
{
struct scratchpad_hi hi = {0};
unsigned char prevhash[32] = {0};
json_t* hi_section = json_object_get(addm, "hi");
if (!hi_section)
{
//applog(LOG_ERR, "JSON addms field not found");
//return false;
return true;
}
if(!parse_height_info(hi_section, &hi))
{
return false;
}
const char* prev_id_str = get_json_string_param(addm, "prev_id");
if(!prev_id_str)
{
applog(LOG_ERR, "JSON prev_id is not a string");
return false;
}
if(!hex2bin(prevhash, prev_id_str, 32))
{
applog(LOG_ERR, "JSON prev_id is not valid hex string");
return false;
}
if(current_scratchpad_hi.height != hi.height -1)
{
if(current_scratchpad_hi.height > hi.height -1)
{
//skip low scratchpad
applog(LOG_ERR, "addendum with hi.height=%lld skiped since current_scratchpad_hi.height=%lld", hi.height, current_scratchpad_hi.height);
return true;
}
//TODO: ADD SPLIT HANDLING HERE
applog(LOG_ERR, "JSON height in addendum-1 (%lld-1) missmatched with current_scratchpad_hi.height(%lld), reverting scratchpad and re-login", hi.height, current_scratchpad_hi.height);
revert_scratchpad();
//init re-login
strcpy(rpc2_id, "");
return false;
}
if(memcmp(prevhash, current_scratchpad_hi.prevhash, 32))
{
//TODO: ADD SPLIT HANDLING HERE
applog(LOG_ERR, "JSON prev_id in addendum missmatched with current_scratchpad_hi.prevhash");
return false;
}
const char* addm_hexstr = get_json_string_param(addm, "addm");
if(!addm_hexstr)
{
applog(LOG_ERR, "JSON prev_id in addendum missmatched with current_scratchpad_hi.prevhash");
return false;
}
size_t add_len = strlen(addm_hexstr);
if(add_len%64)
{
applog(LOG_ERR, "JSON wrong addm hex str len");
return false;
}
uint64_t* padd_buff = malloc(add_len/2);
if (!padd_buff)
{
applog(LOG_ERR, "out of memory, wanted %zu", add_len/2);
return false;
}
if(!hex2bin((unsigned char*)padd_buff, addm_hexstr, add_len/2))
{
applog(LOG_ERR, "JSON wrong addm hex str len");
goto err_out;
}
if(!apply_addendum(padd_buff, add_len/16))
{
applog(LOG_ERR, "JSON Failed to apply_addendum!");
goto err_out;
}
free(padd_buff);
push_addendum_info(¤t_scratchpad_hi, add_len/16);
uint64_t old_height = current_scratchpad_hi.height;
current_scratchpad_hi = hi;
applog(LOG_INFO, "ADDENDUM APPLIED: %lld --> %lld %lld blocks added", old_height, current_scratchpad_hi.height, add_len/64);
return true;
err_out:
free(padd_buff);
return false;
}
bool addendums_decode(const json_t *job)
{
json_t* paddms = json_object_get(job, "addms");
if (!paddms)
{
//applog(LOG_ERR, "JSON addms field not found");
//return false;
return true;
}
if(!json_is_array(paddms))
{
applog(LOG_ERR, "JSON addms field is not array");
return false;
}
unsigned int add_sz = json_array_size(paddms);
for (int i = 0; i < add_sz; i++)
{
const char *notify;
json_t *addm = json_array_get(paddms, i);
if (!addm )
{
applog(LOG_ERR, "Internal error: failed to get addm");
return false;
}
if(!addendum_decode(addm))
return false;
}
return true;
}
bool rpc2_job_decode(const json_t *job, struct work *work)
{
if (!jsonrpc_2) {
applog(LOG_ERR, "Tried to decode job without JSON-RPC 2.0");
return false;
}
json_t *tmp;
tmp = json_object_get(job, "job_id");
if (!tmp) {
applog(LOG_ERR, "JSON inval job id");
goto err_out;
}
if(!addendums_decode(job))
{
applog(LOG_ERR, "JSON failed to process addendums");
goto err_out;
}
const char *job_id = json_string_value(tmp);
tmp = json_object_get(job, "blob");
if (!tmp) {
applog(LOG_ERR, "JSON inval blob");
goto err_out;
}
const char *hexblob = json_string_value(tmp);
int blobLen = strlen(hexblob);
if (blobLen % 2 != 0 || ((blobLen / 2) < 40 && blobLen != 0) || (blobLen / 2) > 128)
{
applog(LOG_ERR, "JSON invalid blob length");
goto err_out;
}
if (blobLen != 0)
{
pthread_mutex_lock(&rpc2_job_lock);
char *blob = malloc(blobLen / 2);
if (!hex2bin(blob, hexblob, blobLen / 2))
{
applog(LOG_ERR, "JSON inval blob");
pthread_mutex_unlock(&rpc2_job_lock);
goto err_out;
}
if (rpc2_blob) {
free(rpc2_blob);
}
rpc2_bloblen = blobLen / 2;
rpc2_blob = malloc(rpc2_bloblen);
memcpy(rpc2_blob, blob, blobLen / 2);
free(blob);
uint32_t target;
jobj_binary(job, "target", &target, 4);
if(rpc2_target != target) {
float hashrate = 0.;
pthread_mutex_lock(&stats_lock);
for (size_t i = 0; i < opt_n_threads; i++)
hashrate += thr_hashrates[i];
pthread_mutex_unlock(&stats_lock);
double difficulty = (((double) 0xffffffff) / target);
applog(LOG_INFO, "Pool set diff to %.0f", difficulty);
rpc2_target = target;
}
if (rpc2_job_id) {
free(rpc2_job_id);
}
rpc2_job_id = strdup(job_id);
pthread_mutex_unlock(&rpc2_job_lock);
}
if(work)
{
if (!rpc2_blob) {
applog(LOG_ERR, "Requested work before work was received");
goto err_out;
}
memcpy(work->data, rpc2_blob, rpc2_bloblen);
memset(work->target, 0xff, sizeof(work->target));
//*((uint64_t*)&work->target[6]) = rpc2_target;
work->target[7] = rpc2_target;
if (work->job_id)
free(work->job_id);
work->job_id = strdup(rpc2_job_id);
stratum_have_work = true;
}
return true;
err_out:
return false;
}
static bool work_decode(const json_t *val, struct work *work) {
int i;
if(jsonrpc_2) {
return rpc2_job_decode(val, work);
}
if (unlikely(!jobj_binary(val, "data", work->data, sizeof(work->data)))) {
applog(LOG_ERR, "JSON inval data");
goto err_out;
}
if (unlikely(!jobj_binary(val, "target", work->target, sizeof(work->target)))) {
applog(LOG_ERR, "JSON inval target");
goto err_out;
}
for (i = 0; i < ARRAY_SIZE(work->data); i++)
work->data[i] = le32dec(work->data + i);
for (i = 0; i < ARRAY_SIZE(work->target); i++)
work->target[i] = le32dec(work->target + i);
return true;
err_out: return false;
}
bool rpc2_login_decode(const json_t *val) {
const char *id;
const char *s;
json_t *res = json_object_get(val, "result");
if(!res) {
applog(LOG_ERR, "JSON invalid result");
goto err_out;
}
json_t *tmp;
tmp = json_object_get(res, "id");
if(!tmp) {
applog(LOG_ERR, "JSON inval id");
goto err_out;
}
id = json_string_value(tmp);
if(!id) {
applog(LOG_ERR, "JSON id is not a string");
goto err_out;
}
strncpy(rpc2_id, id, sizeof(rpc2_id)-1);
if(opt_debug)
applog(LOG_DEBUG, "Auth id: %s", id);
tmp = json_object_get(res, "status");
if(!tmp) {
applog(LOG_ERR, "JSON inval status");
goto err_out;
}
s = json_string_value(tmp);
if(!s) {
applog(LOG_ERR, "JSON status is not a string");
goto err_out;
}
if(strcmp(s, "OK")) {
applog(LOG_ERR, "JSON returned status \"%s\"", s);
return false;
}
return true;
err_out: return false;
}
bool rpc2_getfullscratchpad_decode(const json_t *val) {
const char *id;
//const char *s;
const char *status;
json_t *res = json_object_get(val, "result");
if(!res) {
applog(LOG_ERR, "JSON invalid result in rpc2_getfullscratchpad_decode");
goto err_out;
}
//check status
status = get_json_string_param(res, "status");
if (!status ) {
applog(LOG_ERR, "JSON status is not a string");
goto err_out;
}
if(strcmp(status, "OK")) {
applog(LOG_ERR, "JSON returned status \"%s\"", status);
goto err_out;
}
//parse scratchpad
const char* scratch_hex = get_json_string_param(res, "scratchpad_hex");
if (!scratch_hex) {
applog(LOG_ERR, "JSON scratch_hex is not a string");
goto err_out;
}
size_t len = hex2bin_len((unsigned char*)pscratchpad_buff, scratch_hex, WILD_KECCAK_SCRATCHPAD_BUFFSIZE);
if (!len)
{
applog(LOG_ERR, "JSON scratch_hex is not valid hex");
goto err_out;
}
if (len%8 || len%32)
{
applog(LOG_ERR, "JSON scratch_hex is not valid size=%d bytes", len);
goto err_out;
}
//parse hi
json_t *hi = json_object_get(res, "hi");
if(!hi) {
applog(LOG_ERR, "JSON inval hi");
goto err_out;
}
if(!parse_height_info(hi, ¤t_scratchpad_hi))
{
applog(LOG_ERR, "JSON inval hi, failed to parse");
goto err_out;
}
applog(LOG_INFO, "Fetched scratchpad size %d bytes", len);
scratchpad_size = len/8;
return true;
err_out: return false;
}
static void share_result(int result, struct work *work, const char *reason) {
char s[345];
double hashrate = 0.0;
int i;
pthread_mutex_lock(&stats_lock);
for (i = 0; i < opt_n_threads; i++)
hashrate += thr_hashrates[i];
result ? accepted_count++ : rejected_count++;
pthread_mutex_unlock(&stats_lock);
switch (opt_algo) {
case ALGO_CRYPTONIGHT:
case ALGO_WILD_KECCAK:
applog(LOG_INFO, "accepted: %lu/%lu (%.2f%%), %.2f h/s at diff %.0f %s",
accepted_count, accepted_count + rejected_count,
100. * accepted_count / (accepted_count + rejected_count), hashrate,
(((double) 0xffffffff) / (work ? work->target[7] : rpc2_target)),
result ? "(yay!!!)" : "(booooo)");
break;
default:
sprintf(s, hashrate >= 1e6 ? "%.0f" : "%.2f", 1e-3 * hashrate);
applog(LOG_INFO, "accepted: %lu/%lu (%.2f%%), %s khash/s %s",
accepted_count, accepted_count + rejected_count,
100. * accepted_count / (accepted_count + rejected_count), s,
result ? "(yay!!!)" : "(booooo)");
break;
}
if (opt_debug && reason)
applog(LOG_DEBUG, "DEBUG: reject reason: %s", reason);
}
static bool submit_upstream_work(CURL *curl, struct work *work) {
char *str = NULL;
json_t *val, *res, *reason;
char s[JSON_BUF_LEN];
int i;
bool rc = false;
/* pass if the previous hash is not the current previous hash */
if(opt_algo == ALGO_WILD_KECCAK)
{
if (!submit_old && memcmp(work->data + 1 + 8, g_work.data + 1 + 8, 32))
{
if (opt_debug)
applog(LOG_DEBUG, "DEBUG: stale work detected, discarding");
return true;
}
}else
{
if (!submit_old && memcmp(work->data + 1, g_work.data + 1, 32))
{
if (opt_debug)
applog(LOG_DEBUG, "DEBUG: stale work detected, discarding");
return true;
}
}
if (have_stratum) {
uint32_t ntime, nonce;