miner.h

#ifndef __MINER_H__
#define __MINER_H__

#include <cpuminer-config.h>

#define USER_AGENT PACKAGE_NAME "/" PACKAGE_VERSION
#define MAX_CPUS 16

//#ifndef NO_AES_NI
 #ifndef __AES__
  #define NO_AES_NI
 #endif
//#endif

//#if defined(FOUR_WAY) && defined(__AVX2__)
// keep this until all algos remove reference to HASH_4WAY
//#if defined(__AVX2__)
//  #define HASH_4WAY
//#endif

#ifdef _MSC_VER

#undef USE_ASM  /* to fix */

#ifdef NOASM
#undef USE_ASM
#endif

/* missing arch defines for msvc */
#if defined(_M_X64)
#define __i386__ 1
#define __x86_64__ 1
#elif defined(_M_X86)
#define __i386__ 1
#endif

#endif /* _MSC_VER */

#include <stdbool.h>
#include <inttypes.h>
#include <sys/time.h>

#include <pthread.h>
#include <jansson.h>
#include <curl/curl.h>

#ifdef STDC_HEADERS
# include <stdlib.h>
# include <stddef.h>
#else
# ifdef HAVE_STDLIB_H
#  include <stdlib.h>
# endif
#endif

/*
#ifndef min
#define min(a,b) (a>b ? (b) :(a))
#endif
#ifndef max 
#define max(a,b) (a<b ? (b) : (a))
#endif
*/

//#ifdef HAVE_ALLOCA_H
//# include <alloca.h>
//#elif !defined alloca
# ifdef __GNUC__
//#  define alloca __builtin_alloca
# elif defined _AIX
#  define alloca __alloca
# elif defined _MSC_VER
#  include <malloc.h>
#  define alloca _alloca
# elif !defined HAVE_ALLOCA
#  ifdef  __cplusplus
extern "C"
#  endif
void *alloca (size_t);
# endif
//#endif

#ifdef HAVE_SYSLOG_H
#include <syslog.h>
#define LOG_BLUE 0x10 /* unique value */
#else
enum {
	LOG_ERR,
	LOG_WARNING,
	LOG_NOTICE,
	LOG_INFO,
	LOG_DEBUG,
	/* custom notices */
	LOG_BLUE = 0x10,
};
#endif

static inline bool is_windows(void)
{
#ifdef WIN32
	return true;
#else
	return false;
#endif
}
 
#include "compat.h"

#ifndef ARRAY_SIZE
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
#endif

#if ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
#define WANT_BUILTIN_BSWAP
#else
#define bswap_32(x) ((((x) << 24) & 0xff000000u) | (((x) << 8) & 0x00ff0000u) \
                   | (((x) >> 8) & 0x0000ff00u) | (((x) >> 24) & 0x000000ffu))
#endif

static inline uint32_t swab32(uint32_t v)
{
#ifdef WANT_BUILTIN_BSWAP
	return __builtin_bswap32(v);
#else
	return bswap_32(v);
#endif
}

// Swap any two variables of the same type without using a temp
#define swap_vars(a,b) a^=b; b^=a; a^=b;

#ifdef HAVE_SYS_ENDIAN_H
#include <sys/endian.h>
#endif

typedef unsigned char uchar;

#if !HAVE_DECL_BE32DEC
static inline uint32_t be32dec(const void *pp)
{
	const uint8_t *p = (uint8_t const *)pp;
	return ((uint32_t)(p[3]) + ((uint32_t)(p[2]) << 8) +
	    ((uint32_t)(p[1]) << 16) + ((uint32_t)(p[0]) << 24));
}
#endif

#if !HAVE_DECL_LE32DEC
static inline uint32_t le32dec(const void *pp)
{
	const uint8_t *p = (uint8_t const *)pp;
	return ((uint32_t)(p[0]) + ((uint32_t)(p[1]) << 8) +
	    ((uint32_t)(p[2]) << 16) + ((uint32_t)(p[3]) << 24));
}
#endif

#if !HAVE_DECL_BE32ENC
static inline void be32enc(void *pp, uint32_t x)
{
	uint8_t *p = (uint8_t *)pp;
	p[3] = x & 0xff;
	p[2] = (x >> 8) & 0xff;
	p[1] = (x >> 16) & 0xff;
	p[0] = (x >> 24) & 0xff;
}
#endif

// This is a poorman's SIMD instruction, use 64 bit instruction to encode 2
// uint32_t. This function flips endian on two adjacent 32 bit quantities
// aligned to 64 bits. If source is LE output is BE, and vice versa.
static inline void swab32_x2( uint64_t* dst, uint64_t src )
{
   *dst =   ( ( src & 0xff000000ff000000 ) >> 24 )
          | ( ( src & 0x00ff000000ff0000 ) >>  8 )
          | ( ( src & 0x0000ff000000ff00 ) <<  8 )
          | ( ( src & 0x000000ff000000ff ) << 24 );
}

static inline void swab32_array( uint32_t* dst_p, uint32_t* src_p, int n )
{
   // Assumes source is LE
   for ( int i=0; i < n/2; i++ )
      swab32_x2( &((uint64_t*)dst_p)[i], ((uint64_t*)src_p)[i] );
//   if ( n % 2 )
//      be32enc( &dst_p[ n-1 ], src_p[ n-1 ] );
}

#if !HAVE_DECL_LE32ENC
static inline void le32enc(void *pp, uint32_t x)
{
	uint8_t *p = (uint8_t *)pp;
	p[0] = x & 0xff;
	p[1] = (x >> 8) & 0xff;
	p[2] = (x >> 16) & 0xff;
	p[3] = (x >> 24) & 0xff;
}
#endif

#if !HAVE_DECL_LE16DEC
static inline uint16_t le16dec(const void *pp)
{
	const uint8_t *p = (uint8_t const *)pp;
	return ((uint16_t)(p[0]) + ((uint16_t)(p[1]) << 8));
}
#endif

#if !HAVE_DECL_LE16ENC
static inline void le16enc(void *pp, uint16_t x)
{
	uint8_t *p = (uint8_t *)pp;
	p[0] = x & 0xff;
	p[1] = (x >> 8) & 0xff;
}
#endif

#if JANSSON_MAJOR_VERSION >= 2
#define JSON_LOADS(str, err_ptr) json_loads(str, 0, err_ptr)
#define JSON_LOADF(path, err_ptr) json_load_file(path, 0, err_ptr)
#else
#define JSON_LOADS(str, err_ptr) json_loads(str, err_ptr)
#define JSON_LOADF(path, err_ptr) json_load_file(path, err_ptr)
#endif

json_t* json_load_url(char* cfg_url, json_error_t *err);

void sha256_init(uint32_t *state);
void sha256_transform(uint32_t *state, const uint32_t *block, int swap);
void sha256d(unsigned char *hash, const unsigned char *data, int len);

#ifdef USE_ASM
#if defined(__ARM_NEON__) || defined(__i386__) || defined(__x86_64__)
#define HAVE_SHA256_4WAY 1
int sha256_use_4way();
void sha256_init_4way(uint32_t *state);
void sha256_transform_4way(uint32_t *state, const uint32_t *block, int swap);
#endif
#if defined(__x86_64__) && defined(USE_AVX2)
#define HAVE_SHA256_8WAY 1
int sha256_use_8way();
void sha256_init_8way(uint32_t *state);
void sha256_transform_8way(uint32_t *state, const uint32_t *block, int swap);
#endif
#endif

struct work;

void work_free(struct work *w);
void work_copy(struct work *dest, const struct work *src);



/* api related */
void *api_thread(void *userdata);

struct cpu_info {
	int thr_id;
	int accepted;
	int rejected;
	double khashes;
	bool has_monitoring;
	float cpu_temp;
	int cpu_fan;
	uint32_t cpu_clock;
};

struct thr_api {
	int id;
	pthread_t pth;
	struct thread_q	*q;
};
/* end of api */


#define JSON_RPC_LONGPOLL	(1 << 0)
#define JSON_RPC_QUIET_404	(1 << 1)
#define JSON_RPC_IGNOREERR  (1 << 2)

#define JSON_BUF_LEN 512

#define CL_N    "\x1B[0m"
#define CL_RED  "\x1B[31m"
#define CL_GRN  "\x1B[32m"
#define CL_YLW  "\x1B[33m"
#define CL_BLU  "\x1B[34m"
#define CL_MAG  "\x1B[35m"
#define CL_CYN  "\x1B[36m"

#define CL_BLK  "\x1B[22;30m" /* black */
#define CL_RD2  "\x1B[22;31m" /* red */
#define CL_GR2  "\x1B[22;32m" /* green */
#define CL_BRW  "\x1B[22;33m" /* brown */
#define CL_BL2  "\x1B[22;34m" /* blue */
#define CL_MA2  "\x1B[22;35m" /* magenta */
#define CL_CY2  "\x1B[22;36m" /* cyan */
#define CL_SIL  "\x1B[22;37m" /* gray */

#ifdef WIN32
#define CL_GRY  "\x1B[01;30m" /* dark gray */
#else
#define CL_GRY  "\x1B[90m"    /* dark gray selectable in putty */
#endif
#define CL_LRD  "\x1B[01;31m" /* light red */
#define CL_LGR  "\x1B[01;32m" /* light green */
#define CL_YL2  "\x1B[01;33m" /* yellow */
#define CL_LBL  "\x1B[01;34m" /* light blue */
#define CL_LMA  "\x1B[01;35m" /* light magenta */
#define CL_LCY  "\x1B[01;36m" /* light cyan */

#define CL_WHT  "\x1B[01;37m" /* white */

void   applog(int prio, const char *fmt, ...);
void   restart_threads(void);
extern json_t *json_rpc_call( CURL *curl, const char *url, const char *userpass,
                	const char *rpc_req, int *curl_err, int flags );
void   bin2hex( char *s, const unsigned char *p, size_t len );
char  *abin2hex( const unsigned char *p, size_t len );
bool   hex2bin( unsigned char *p, const char *hexstr, size_t len );
bool   jobj_binary( const json_t *obj, const char *key, void *buf,
                    size_t buflen );
int    varint_encode( unsigned char *p, uint64_t n );
size_t address_to_script( unsigned char *out, size_t outsz, const char *addr );
int    timeval_subtract( struct timeval *result, struct timeval *x,
                           struct timeval *y);
bool   fulltest( const uint32_t *hash, const uint32_t *target );
void   work_set_target( struct work* work, double diff );
double target_to_diff( uint32_t* target );
extern void diff_to_target(uint32_t *target, double diff);

double hash_target_ratio( uint32_t* hash, uint32_t* target );
void   work_set_target_ratio( struct work* work, uint32_t* hash );

void   get_currentalgo( char* buf, int sz );
bool   has_sha();
bool   has_aes_ni();
bool   has_avx1();
bool   has_avx2();
bool   has_avx512f();
bool   has_sse2();
bool   has_xop();
bool   has_fma3();
bool   has_sse42();
bool   has_sse();
void   cpu_bestfeature( char *outbuf, size_t maxsz );
void   cpu_getname(char *outbuf, size_t maxsz);
void   cpu_getmodelid(char *outbuf, size_t maxsz);
void   cpu_brand_string( char* s );

float cpu_temp( int core );

struct work {
	uint32_t data[48];
	uint32_t target[8];

	double targetdiff;
	double shareratio;
	double sharediff;

	int height;
	char *txs;
	char *workid;

	char *job_id;
	size_t xnonce2_len;
	unsigned char *xnonce2;
        uint32_t nonces[8];
};

struct stratum_job {
	char *job_id;
	unsigned char prevhash[32];
        unsigned char claim[32]; // lbry
	size_t coinbase_size;
	unsigned char *coinbase;
	unsigned char *xnonce2;
	int merkle_count;
	unsigned char **merkle;
	unsigned char version[4];
	unsigned char nbits[4];
	unsigned char ntime[4];
	bool clean;
	double diff;
};

struct stratum_ctx {
	char *url;

	CURL *curl;
	char *curl_url;
	char curl_err_str[CURL_ERROR_SIZE];
	curl_socket_t sock;
	size_t sockbuf_size;
	char *sockbuf;
	pthread_mutex_t sock_lock;

	double next_diff;
	double sharediff;

	char *session_id;
	size_t xnonce1_size;
	unsigned char *xnonce1;
	size_t xnonce2_size;
	struct stratum_job job;
	struct work work;
	pthread_mutex_t work_lock;

	int bloc_height;
};

bool stratum_socket_full(struct stratum_ctx *sctx, int timeout);
bool stratum_send_line(struct stratum_ctx *sctx, char *s);
char *stratum_recv_line(struct stratum_ctx *sctx);
bool stratum_connect(struct stratum_ctx *sctx, const char *url);
void stratum_disconnect(struct stratum_ctx *sctx);
bool stratum_subscribe(struct stratum_ctx *sctx);
bool stratum_authorize(struct stratum_ctx *sctx, const char *user, const char *pass);
bool stratum_handle_method(struct stratum_ctx *sctx, const char *s);

/* rpc 2.0 (xmr) */


extern bool jsonrpc_2;
extern bool aes_ni_supported;
extern char rpc2_id[64];
extern char *rpc2_blob;
extern size_t rpc2_bloblen;
extern uint32_t rpc2_target;
extern char *rpc2_job_id;
extern char *rpc_user;
extern char *short_url;

json_t *json_rpc2_call(CURL *curl, const char *url, const char *userpass, const char *rpc_req, int *curl_err, int flags);
bool rpc2_login(CURL *curl);
bool rpc2_login_decode(const json_t *val);
bool rpc2_workio_login(CURL *curl);
bool rpc2_stratum_job(struct stratum_ctx *sctx, json_t *params);
bool rpc2_job_decode(const json_t *job, struct work *work);

struct thread_q;

struct thread_q *tq_new(void);
void tq_free(struct thread_q *tq);
bool tq_push(struct thread_q *tq, void *data);
void *tq_pop(struct thread_q *tq, const struct timespec *abstime);
void tq_freeze(struct thread_q *tq);
void tq_thaw(struct thread_q *tq);

void parse_arg(int key, char *arg);
void parse_config(json_t *config, char *ref);
void proper_exit(int reason);

void applog_hash(void *hash);
void format_hashrate(double hashrate, char *output);
void print_hash_tests(void);

void scale_hash_for_display ( double* hashrate, char* units );

struct thr_info {
        int id;
        pthread_t pth;
        pthread_attr_t attr;
        struct thread_q *q;
        struct cpu_info cpu;
};

struct work_restart {
        volatile uint8_t restart;
        char padding[128 - sizeof(uint8_t)];
};

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;
};

uint32_t* get_stratum_job_ntime();

enum algos {
        ALGO_NULL,
        ALGO_ALLIUM,
        ALGO_ANIME,
        ALGO_ARGON2,
        ALGO_ARGON2D250,
        ALGO_ARGON2D500,
        ALGO_ARGON2D4096,
        ALGO_ARGON2AD,
        ALGO_AXIOM,       
        ALGO_BASTION,
        ALGO_BLAKE,       
        ALGO_BLAKECOIN,   
//        ALGO_BLAKE2B,
        ALGO_BLAKE2S,     
        ALGO_BMW,        
        ALGO_C11,         
        ALGO_CRYPTOLIGHT, 
        ALGO_CRYPTONIGHT,
        ALGO_CRYPTONIGHTV7, 
        ALGO_DECRED,
        ALGO_DEEP,
        ALGO_DMD_GR,
        ALGO_DROP,        
        ALGO_FRESH,       
        ALGO_GROESTL,     
        ALGO_HEAVY,
        ALGO_HMQ1725,
        ALGO_HODL,
        ALGO_JHA,
        ALGO_KECCAK,
        ALGO_KECCAKC,
        ALGO_LBRY,
        ALGO_LUFFA,       
        ALGO_LYRA2H,
        ALGO_LYRA2RE,       
        ALGO_LYRA2REV2,   
        ALGO_LYRA2Z,
        ALGO_LYRA2Z330,
        ALGO_M7M,
        ALGO_MYR_GR,      
        ALGO_NEOSCRYPT,
        ALGO_NIST5,       
        ALGO_PENTABLAKE,  
        ALGO_PHI1612,
        ALGO_PLUCK,       
        ALGO_POLYTIMOS,
        ALGO_QUARK,
        ALGO_QUBIT,       
        ALGO_SCRYPT,
        ALGO_SCRYPTJANE,
        ALGO_SHA256D,
        ALGO_SHA256T,
        ALGO_SHAVITE3,    
        ALGO_SKEIN,       
        ALGO_SKEIN2,      
        ALGO_SKUNK,
        ALGO_TIMETRAVEL,
        ALGO_TIMETRAVEL10,
        ALGO_TRIBUS,
        ALGO_VANILLA,
        ALGO_VELTOR,
        ALGO_WHIRLPOOL,
        ALGO_WHIRLPOOLX,
        ALGO_X11,
        ALGO_X11EVO,         
        ALGO_X11GOST,
        ALGO_X12,
        ALGO_X13,         
        ALGO_X13SM3,
        ALGO_X14,        
        ALGO_X15,       
        ALGO_X16R,
        ALGO_X16S,
        ALGO_X17,
        ALGO_XEVAN,
        ALGO_YESCRYPT,
        ALGO_YESCRYPTR8,
        ALGO_YESCRYPTR16,
        ALGO_YESCRYPTR32,
		ALGO_YESPOWER,
		ALGO_YESPOWERR16,
        ALGO_ZR5,
        ALGO_COUNT
};
static const char* const algo_names[] = {
        NULL,
        "allium",
        "anime",
        "argon2",
        "argon2d250",
        "argon2d500",
        "argon2d4096",
        "argon2ad",
        "axiom",
        "bastion",
        "blake",
        "blakecoin",
//        "blake2b",
        "blake2s",
        "bmw",
        "c11",
        "cryptolight",
        "cryptonight",
        "cryptonightv7",
        "decred",
        "deep",
        "dmd-gr",
        "drop",
        "fresh",
        "groestl",
        "heavy",
        "hmq1725",
        "hodl",
        "jha",
        "keccak",
        "keccakc",
        "lbry",
        "luffa",
        "lyra2h",
        "lyra2re",
        "lyra2rev2",
        "lyra2z",
        "lyra2z330",
        "m7m",
        "myr-gr",
        "neoscrypt",
        "nist5",
        "pentablake",
        "phi1612",
        "pluck",
        "polytimos",
        "quark",
        "qubit",
        "scrypt",
        "scryptjane",
        "sha256d",
        "sha256t",
        "shavite3",
        "skein",
        "skein2",
        "skunk",
        "timetravel",
        "timetravel10",
        "tribus",
        "vanilla",
        "veltor",
        "whirlpool",
        "whirlpoolx",
        "x11",
        "x11evo",
        "x11gost",
        "x12",
        "x13",
        "x13sm3",
        "x14",
        "x15",
        "x16r",
        "x16s",
        "x17",
        "xevan",
        "yescrypt",
        "yescryptr8",
        "yescryptr16",
        "yescryptr32",
		"yespower",
		"yespowerr16",
        "zr5",
        "\0"
};

const char* algo_name( enum algos a );

extern enum algos opt_algo;
extern bool opt_debug;
extern bool opt_debug_diff;
extern bool opt_benchmark;
extern bool opt_protocol;
extern bool opt_showdiff;
extern bool opt_extranonce;
extern bool opt_quiet;
extern bool opt_redirect;
extern int opt_timeout;
extern bool want_longpoll;
extern bool have_longpoll;
extern bool have_gbt;
extern char*  lp_id;
extern char *rpc_userpass;
extern const char *gbt_lp_req;
extern const char *getwork_req;
extern bool allow_getwork;
extern bool want_stratum;
extern bool have_stratum;
extern char *opt_cert;
extern char *opt_proxy;
extern long opt_proxy_type;
extern bool use_syslog;
extern bool use_colors;
extern pthread_mutex_t applog_lock;
extern struct thr_info *thr_info;
extern int longpoll_thr_id;
extern int stratum_thr_id;
extern int api_thr_id;
extern int opt_n_threads;
extern struct work_restart *work_restart;
extern uint32_t opt_work_size;
extern double *thr_hashrates;
extern double global_hashrate;
extern double stratum_diff;
extern double net_diff;
extern double net_hashrate;
extern int opt_pluck_n;
extern int opt_scrypt_n;
extern double opt_diff_factor;
extern bool opt_randomize;
extern bool allow_mininginfo;
extern time_t g_work_time;
extern bool opt_stratum_stats;
extern int num_cpus;
extern int opt_priority;

extern pthread_mutex_t rpc2_job_lock;
extern pthread_mutex_t rpc2_login_lock;
extern pthread_mutex_t applog_lock;
extern pthread_mutex_t stats_lock;


static char const usage[] = "\
Usage: " PACKAGE_NAME " [OPTIONS]\n\
Options:\n\
  -a, --algo=ALGO       specify the algorithm to use\n\
                          allium        Garlicoin (GRLC)\n\
                          anime         Animecoin (ANI)\n\
                          argon2        Argon2 Coin (AR2)\n\
                          argon2ad      argon2ad-urx, UraniumX (URX)\n\
                          argon2d250    argon2d-crds, Credits (CRDS)\n\
                          argon2d500    argon2d-dyn, Dynamic (DYN)\n\
                          argon2d4096   argon2d-uis, Unitus (UIS)\n\
                          axiom         Shabal-256 MemoHash\n\
                          bastion\n\
                          blake         blake256r14 (SFR)\n\
                          blakecoin     blake256r8\n\
                          blake2s       Blake-2 S\n\
                          bmw           BMW 256\n\
                          c11           Chaincoin\n\
                          cryptolight   Cryptonight-light\n\
                          cryptonight   Cryptonote legacy\n\
                          cryptonightv7 variant 7, Monero (XMR)\n\
                          decred        Blake256r14dcr\n\
                          deep          Deepcoin (DCN)\n\
                          dmd-gr        Diamond\n\
                          drop          Dropcoin\n\
                          fresh         Fresh\n\
                          groestl       Groestl coin\n\
                          heavy         Heavy\n\
                          hmq1725       Espers\n\
                          hodl          Hodlcoin\n\
                          jha           jackppot (Jackpotcoin)\n\
                          keccak        Maxcoin\n\
                          keccakc       Creative Coin\n\
                          lbry          LBC, LBRY Credits\n\
                          luffa         Luffa\n\
                          lyra2h        Hppcoin\n\
                          lyra2re       lyra2\n\
                          lyra2rev2     lyrav2, Vertcoin\n\
                          lyra2z        Zcoin (XZC)\n\
                          lyra2z330     Lyra2 330 rows, Zoin (ZOI)\n\
                          m7m           Magi (XMG)\n\
                          myr-gr        Myriad-Groestl\n\
                          neoscrypt     NeoScrypt(128, 2, 1)\n\
                          nist5         Nist5\n\
                          pentablake    5 x blake512\n\
                          phi1612       phi, LUX coin\n\
                          pluck         Pluck:128 (Supcoin)\n\
                          polytimos\n\
                          quark         Quark\n\
                          qubit         Qubit\n\
                          scrypt        scrypt(1024, 1, 1) (default)\n\
                          scrypt:N      scrypt(N, 1, 1)\n\
                          scryptjane:nf\n\
                          sha256d       Double SHA-256\n\
                          sha256t       Triple SHA-256, Onecoin (OC)\n\
                          shavite3      Shavite3\n\
                          skein         Skein+Sha (Skeincoin)\n\
                          skein2        Double Skein (Woodcoin)\n\
                          skunk         Signatum (SIGT)\n\
                          timetravel    timeravel8, Machinecoin (MAC)\n\
                          timetravel10  Bitcore (BTX)\n\
                          tribus        Denarius (DNR)\n\
                          vanilla       blake256r8vnl (VCash)\n\
                          veltor\n\
                          whirlpool\n\
                          whirlpoolx\n\
                          x11           Dash\n\
                          x11evo        Revolvercoin (XRE)\n\
                          x11gost       sib (SibCoin)\n\
                          x12           Galaxie Cash (GCH)\n\
                          x13           X13\n\
                          x13sm3        hsr (Hshare)\n\
                          x14            X14\n\
                          x15           X15\n\
                          x16r          Ravencoin (RVN)\n\
                          x16s          Pigeoncoin (PGN)\n\
                          x17\n\
                          xevan         Bitsend (BSD)\n\
                          yescrypt      Globlboost-Y (BSTY)\n\
                          yescryptr8    BitZeny (ZNY)\n\
                          yescryptr16   Yenten (YTN)\n\
                          yescryptr32   WAVI\n\
                          zr5           Ziftr\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\
      --time-limit=N    maximum time [s] to mine before exiting the program.\n\
  -T, --timeout=N       timeout for long poll and stratum (default: 300 seconds)\n\
  -s, --scantime=N      upper bound on time spent scanning current work when\n\
                          long polling is unavailable, in seconds (default: 5)\n\
      --randomize       Randomize scan range start to reduce duplicates\n\
  -f, --diff-factor     Divide req. difficulty by this factor (std is 1.0)\n\
  -m, --diff-multiplier Multiply difficulty by this factor (std is 1.0)\n\
      --hide-diff       Do not display changes in difficulty\n\
      --coinbase-addr=ADDR  payout address for solo mining\n\
      --coinbase-sig=TEXT  data to insert in the coinbase when possible\n\
      --no-longpoll     disable long polling support\n\
      --no-getwork      disable getwork support\n\
      --no-gbt          disable getblocktemplate support\n\
      --no-stratum      disable X-Stratum support\n\
      --no-extranonce   disable Stratum extranonce support\n\
      --no-redirect     ignore requests to change the URL of the mining server\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"
#ifdef HAVE_SYSLOG_H
"\
  -S, --syslog          use system log for output messages\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\
      --cpu-affinity    set process affinity to cpu core(s), mask 0x3 for cores 0 and 1\n\
      --cpu-priority    set process priority (default: 0 idle, 2 normal to 5 highest)\n\
  -b, --api-bind        IP/Port for the miner API (default: 127.0.0.1:4048)\n\
      --api-remote      Allow remote control\n\
      --max-temp=N      Only mine if cpu temp is less than specified value (linux)\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\
  -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\
";

#ifdef HAVE_GETOPT_LONG
#include <getopt.h>
#else
struct option {
        const char *name;
        int has_arg;
        int *flag;
        int val;
};
#endif


static struct option const options[] = {
        { "algo", 1, NULL, 'a' },
        { "api-bind", 1, NULL, 'b' },
        { "api-remote", 0, NULL, 1030 },
        { "background", 0, NULL, 'B' },
        { "benchmark", 0, NULL, 1005 },
        { "cputest", 0, NULL, 1006 },
        { "cert", 1, NULL, 1001 },
        { "coinbase-addr", 1, NULL, 1016 },
        { "coinbase-sig", 1, NULL, 1015 },
        { "config", 1, NULL, 'c' },
        { "cpu-affinity", 1, NULL, 1020 },
        { "cpu-priority", 1, NULL, 1021 },
        { "no-color", 0, NULL, 1002 },
        { "debug", 0, NULL, 'D' },
        { "diff-factor", 1, NULL, 'f' },
        { "diff", 1, NULL, 'f' }, // deprecated (alias)
        { "diff-multiplier", 1, NULL, 'm' },
        { "hide-diff", 0, NULL, 1013 },
        { "help", 0, NULL, 'h' },
        { "no-gbt", 0, NULL, 1011 },
        { "no-getwork", 0, NULL, 1010 },
        { "no-longpoll", 0, NULL, 1003 },
        { "no-redirect", 0, NULL, 1009 },
        { "no-stratum", 0, NULL, 1007 },
        { "no-extranonce", 0, NULL, 1012 },
        { "max-temp", 1, NULL, 1060 },
        { "max-diff", 1, NULL, 1061 },
        { "max-rate", 1, NULL, 1062 },
        { "pass", 1, NULL, 'p' },
        { "protocol", 0, NULL, 'P' },
        { "protocol-dump", 0, NULL, 'P' },
        { "proxy", 1, NULL, 'x' },
        { "quiet", 0, NULL, 'q' },
        { "retries", 1, NULL, 'r' },
        { "retry-pause", 1, NULL, 'R' },
        { "randomize", 0, NULL, 1024 },
        { "scantime", 1, NULL, 's' },
#ifdef HAVE_SYSLOG_H
        { "syslog", 0, NULL, 'S' },
#endif
        { "time-limit", 1, NULL, 1008 },
        { "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 }
};


#endif /* __MINER_H__ */