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main.c
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main.c
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#ifdef WIN32
#pragma comment(lib, "winmm.lib")
#define _CRT_RAND_S
#endif
#define _GNU_SOURCE 1/* memrchr */
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <stdint.h>
#include <inttypes.h>
#include <assert.h>
#include <sys/types.h>
#include <fcntl.h>
#include <sys/stat.h>
#include "haraka_portable.h"
#include <errno.h>
#include <CL/cl.h>
#ifdef WIN32
#undef _UNICODE // @mrb quick patch to make win getopt work
#include <Winsock2.h>
#include <io.h>
#include <BaseTsd.h>
#include "windows/gettimeofday.h"
#include "windows/getopt.h"
#include "windows/memrchr.h"
typedef SSIZE_T ssize_t;
#define open _open
#define read _read
#define write _write
#define close _close
#define snprintf _snprintf
#else
#include <sys/time.h>
#include <unistd.h>
#include <getopt.h>
#include "_kernel.h"
#endif
typedef uint8_t uchar;
typedef uint32_t uint;
#ifdef NVIDIA
#include "param-nvidia.h"
#else
#include "param.h"
#endif
#ifndef O_BINARY
#define O_BINARY 0
#endif
#define MIN(A, B) (((A) < (B)) ? (A) : (B))
#define MAX(A, B) (((A) > (B)) ? (A) : (B))
#define VERUS_KEY_SIZE 8832
#define VERUS_KEY_SIZE128 552
#define VERUS_WORKSIZE 0x90000
#define VERUS_PACKET 0x10000
#define MAIN_THREADS 64
static u128 *data_key = NULL;
int verbose = 0;
uint32_t show_encoded = 0;
uint64_t nr_nonces = 1;
uint32_t do_list_devices = 0;
uint32_t gpu_to_use = 0;
uint32_t mining = 0;
uint32_t blocks = VERUS_WORKSIZE;
uint32_t gthreads = MAIN_THREADS;
struct timeval kern_avg_run_time;
int amd_flag = 0;
const char *source = NULL;
size_t source_len;
const char *binary = NULL;
size_t binary_len;
uint32_t init_gpu[16] = { 0 };
typedef struct debug_s
{
uint32_t dropped_coll;
uint32_t dropped_stor;
} debug_t;
void debug(const char *fmt, ...)
{
va_list ap;
if (!verbose)
return;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
}
void warn(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
}
void fatal(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
exit(1);
}
uint64_t parse_num(char *str)
{
char *endptr;
uint64_t n;
n = strtoul(str, &endptr, 0);
if (endptr == str || *endptr)
fatal("'%s' is not a valid number\n", str);
return n;
}
uint64_t now(void)
{
struct timeval tv;
gettimeofday(&tv, NULL);
return (uint64_t)tv.tv_sec * 1000 * 1000 + tv.tv_usec;
}
void show_time(uint64_t t0)
{
uint64_t t1;
t1 = now();
fprintf(stderr, "Elapsed time: %.1f msec\n", (t1 - t0) / 1e3);
}
#ifndef WIN32
void set_blocking_mode(int fd, int block)
{
int f;
if (-1 == (f = fcntl(fd, F_GETFL)))
fatal("fcntl F_GETFL: %s\n", strerror(errno));
if (-1 == fcntl(fd, F_SETFL, block ? (f & ~O_NONBLOCK) : (f | O_NONBLOCK)))
fatal("fcntl F_SETFL: %s\n", strerror(errno));
}
#endif
void randomize(void *p, ssize_t l)
{
#ifndef WIN32
const char *fname = "/dev/urandom";
int fd;
ssize_t ret;
if (-1 == (fd = open(fname, O_RDONLY)))
fatal("open %s: %s\n", fname, strerror(errno));
if (-1 == (ret = read(fd, p, l)))
fatal("read %s: %s\n", fname, strerror(errno));
if (ret != l)
fatal("%s: short read %d bytes out of %d\n", fname, ret, l);
if (-1 == close(fd))
fatal("close %s: %s\n", fname, strerror(errno));
#else
for (int i = 0; i < l; i++) {
unsigned int ui;
rand_s(&ui);
((uint8_t *)p)[i] = ui & 0xff;
}
#endif
}
struct timeval time_diff(struct timeval start, struct timeval end)
{
struct timeval temp;
if ((end.tv_usec - start.tv_usec)<0) {
temp.tv_sec = end.tv_sec - start.tv_sec - 1;
temp.tv_usec = 1000000 + end.tv_usec - start.tv_usec;
}
else {
temp.tv_sec = end.tv_sec - start.tv_sec;
temp.tv_usec = end.tv_usec - start.tv_usec;
}
return temp;
}
cl_mem check_clCreateBuffer(cl_context ctx, cl_mem_flags flags, size_t size,
void *host_ptr)
{
cl_int status;
cl_mem ret;
ret = clCreateBuffer(ctx, flags, size, host_ptr, &status);
if (status != CL_SUCCESS || !ret)
fatal("clCreateBuffer (%d)\n", status);
return ret;
}
void check_clSetKernelArg(cl_kernel k, cl_uint a_pos, cl_mem *a)
{
cl_int status;
status = clSetKernelArg(k, a_pos, sizeof(*a), a);
if (status != CL_SUCCESS)
fatal("clSetKernelArg (%d)\n", status);
}
void check_clEnqueueNDRangeKernel(cl_command_queue queue, cl_kernel k, cl_uint
work_dim, const size_t *global_work_offset, const size_t
*global_work_size, const size_t *local_work_size, cl_uint
num_events_in_wait_list, const cl_event *event_wait_list, cl_event
*event)
{
cl_uint status;
status = clEnqueueNDRangeKernel(queue, k, work_dim, global_work_offset,
global_work_size, local_work_size, num_events_in_wait_list,
event_wait_list, event);
if (status != CL_SUCCESS)
fatal("clEnqueueNDRangeKernel (%d)\n", status);
}
void check_clEnqueueReadBuffer(cl_command_queue queue, cl_mem buffer, cl_bool
blocking_read, size_t offset, size_t size, void *ptr, cl_uint
num_events_in_wait_list, const cl_event *event_wait_list, cl_event
*event)
{
cl_int status;
status = clEnqueueReadBuffer(queue, buffer, blocking_read, offset,
size, ptr, num_events_in_wait_list, event_wait_list, event);
if (status != CL_SUCCESS)
fatal("clEnqueueReadBuffer (%d)\n", status);
}
void hexdump(uint8_t *a, uint32_t a_len)
{
for (uint32_t i = 0; i < a_len; i++)
fprintf(stderr, "%02x", a[i]);
}
char *s_hexdump(const void *_a, uint32_t a_len)
{
const uint8_t *a = _a;
static char buf[4096];
uint32_t i;
for (i = 0; i < a_len && i + 2 < sizeof(buf); i++)
sprintf(buf + i * 2, "%02x", a[i]);
buf[i * 2] = 0;
return buf;
}
uint8_t hex2val(const char *base, size_t off)
{
const char c = base[off];
if (c >= '0' && c <= '9') return c - '0';
else if (c >= 'a' && c <= 'f') return 10 + c - 'a';
else if (c >= 'A' && c <= 'F') return 10 + c - 'A';
fatal("Invalid hex char at offset %d: ...%d...\n", off, c);
return 0;
}
void load_file(const char *fname, char **dat, size_t *dat_len, int ignore_error)
{
struct stat st;
int fd;
ssize_t ret;
if (-1 == (fd = open(fname, O_RDONLY | O_BINARY))) {
if (ignore_error)
return;
fatal("%s: %s\n", fname, strerror(errno));
}
if (fstat(fd, &st))
fatal("fstat: %s: %s\n", fname, strerror(errno));
*dat_len = st.st_size;
if (!(*dat = (char *)malloc(*dat_len + 1)))
fatal("malloc: %s\n", strerror(errno));
ret = read(fd, *dat, *dat_len);
if (ret < 0)
fatal("read: %s: %s\n", fname, strerror(errno));
if ((size_t)ret != *dat_len)
fatal("%s: partial read\n", fname);
if (close(fd))
fatal("close: %s: %s\n", fname, strerror(errno));
(*dat)[*dat_len] = 0;
}
void get_program_build_log(cl_program program, cl_device_id device)
{
cl_int status;
size_t ret = 0;
size_t len = 0;
ret = clGetProgramBuildInfo(program, device, CL_PROGRAM_BUILD_LOG, 0, NULL, &len);
char *buffer = calloc(len, sizeof(char));
ret = clGetProgramBuildInfo(program, device, CL_PROGRAM_BUILD_LOG, len, buffer, NULL);
if (status == CL_SUCCESS)
fatal("clGetProgramBuildInfo (%d)\n", status);
printf("%s\n", buffer);
}
void dump(const char *fname, void *data, size_t len)
{
int fd;
ssize_t ret;
if (-1 == (fd = open(fname, O_BINARY | O_WRONLY | O_CREAT | O_TRUNC, 0666)))
fatal("%s: %s\n", fname, strerror(errno));
ret = write(fd, data, len);
if (ret == -1)
fatal("write: %s: %s\n", fname, strerror(errno));
if ((size_t)ret != len)
fatal("%s: partial write\n", fname);
if (-1 == close(fd))
fatal("close: %s: %s\n", fname, strerror(errno));
}
void get_program_bins(cl_program program)
{
cl_int status;
size_t sizes;
unsigned char *p;
size_t ret = 0;
status = clGetProgramInfo(program, CL_PROGRAM_BINARY_SIZES,
sizeof(sizes), // size_t param_value_size
&sizes, // void *param_value
&ret); // size_t *param_value_size_ret
if (status != CL_SUCCESS)
fatal("clGetProgramInfo(sizes) (%d)\n", status);
if (ret != sizeof(sizes))
fatal("clGetProgramInfo(sizes) did not fill sizes (%d)\n", status);
debug("Program binary size is %zd bytes\n", sizes);
p = (unsigned char *)malloc(sizes);
status = clGetProgramInfo(program, CL_PROGRAM_BINARIES,
sizeof(p), // size_t param_value_size
&p, // void *param_value
&ret); // size_t *param_value_size_ret
if (status != CL_SUCCESS)
fatal("clGetProgramInfo (%d)\n", status);
dump("dump.co", p, sizes);
debug("program: %02x%02x%02x%02x...\n", p[0], p[1], p[2], p[3]);
}
void print_platform_info(cl_platform_id plat)
{
char name[1024];
size_t len = 0;
int status;
status = clGetPlatformInfo(plat, CL_PLATFORM_NAME, sizeof(name), &name,
&len);
if (status != CL_SUCCESS)
fatal("clGetPlatformInfo (%d)\n", status);
printf("Devices on platform \"%s\":\n", name);
fflush(stdout);
}
int is_platform_amd(cl_platform_id plat)
{
char name[1024];
size_t len = 0;
int status;
status = clGetPlatformInfo(plat, CL_PLATFORM_NAME, sizeof(name), &name,
&len);
if (status != CL_SUCCESS)
fatal("clGetPlatformInfo (%d)\n", status);
return strncmp(name, "AMD Accelerated Parallel Processing", len) == 0;
}
void print_device_info(unsigned i, cl_device_id d)
{
char name[1024];
size_t len = 0;
int status;
status = clGetDeviceInfo(d, CL_DEVICE_NAME, sizeof(name), &name, &len);
if (status != CL_SUCCESS)
fatal("clGetDeviceInfo (%d)\n", status);
printf(" ID %d: %s\n", i, name);
fflush(stdout);
}
void GenNewCLKey(unsigned char *seedBytes32, u128 *keyback)
{
// generate a new key by chain hashing with Haraka256 from the last curbuf
int n256blks = VERUS_KEY_SIZE >> 5; //8832 >> 5
int nbytesExtra = VERUS_KEY_SIZE & 0x1f; //8832 & 0x1f
unsigned char *pkey = (unsigned char*)keyback;
unsigned char *psrc = seedBytes32;
for (int i = 0; i < n256blks; i++)
{
haraka256_port(pkey, psrc);
psrc = pkey;
pkey += 32;
}
if (nbytesExtra)
{
unsigned char buf[32];
haraka256_port(buf, psrc);
memcpy(pkey, buf, nbytesExtra);
}
}
/*
** Write ZCASH_SOL_LEN bytes representing the encoded solution as per the
** Zcash protocol specs (512 x 21-bit inputs).
**
** out ZCASH_SOL_LEN-byte buffer where the solution will be stored
** inputs array of 32-bit inputs
** n number of elements in array
*/
void store_encoded_sol(uint8_t *out, uint32_t *inputs, uint32_t n)
{
uint32_t byte_pos = 0;
int32_t bits_left = PREFIX + 1;
uint8_t x = 0;
uint8_t x_bits_used = 0;
while (byte_pos < n)
{
if (bits_left >= 8 - x_bits_used)
{
x |= inputs[byte_pos] >> (bits_left - 8 + x_bits_used);
bits_left -= 8 - x_bits_used;
x_bits_used = 8;
}
else if (bits_left > 0)
{
uint32_t mask = ~(-1 << (8 - x_bits_used));
mask = ((~mask) >> bits_left) & mask;
x |= (inputs[byte_pos] << (8 - x_bits_used - bits_left)) & mask;
x_bits_used += bits_left;
bits_left = 0;
}
else if (bits_left <= 0)
{
assert(!bits_left);
byte_pos++;
bits_left = PREFIX + 1;
}
if (x_bits_used == 8)
{
*out++ = x;
x = x_bits_used = 0;
}
}
}
/*
** Print on stdout a hex representation of the encoded solution as per the
** zcash protocol specs (512 x 21-bit inputs).
**
** inputs array of 32-bit inputs
** n number of elements in array
*/
void print_encoded_sol(uint32_t *inputs, uint32_t n)
{
uint8_t sol[ZCASH_SOL_LEN];
uint32_t i;
store_encoded_sol(sol, inputs, n);
for (i = 0; i < sizeof(sol); i++)
printf("%02x", sol[i]);
printf("\n");
fflush(stdout);
}
void print_sol(uint32_t *values, uint64_t *nonce)
{
uint32_t show_n_sols;
show_n_sols = (1 << PARAM_K);
if (verbose < 2)
show_n_sols = MIN(10, show_n_sols);
fprintf(stderr, "Soln:");
// for brievity, only print "small" nonces
if (*nonce < (1ULL << 32))
fprintf(stderr, " 0x%" PRIx64 ":", *nonce);
for (unsigned i = 0; i < show_n_sols; i++)
fprintf(stderr, " %x", values[i]);
fprintf(stderr, "%s\n", (show_n_sols != (1 << PARAM_K) ? "..." : ""));
}
/*
** Compare two 256-bit values interpreted as little-endian 256-bit integers.
*/
int32_t cmp_target_256(void *_a, void *_b)
{
uint8_t *a = _a;
uint8_t *b = _b;
int32_t i;
for (i = SHA256_TARGET_LEN - 1; i >= 0; i--)
if (a[i] != b[i])
return (int32_t)a[i] - b[i];
return 0;
}
/*
** Verify if the solution's block hash is under the target, and if yes print
** it formatted as:
** "sol: <job_id> <ntime> <nonce_rightpart> <solSize+sol>"
**
** Return 1 iff the block hash is under the target.
*/
int sol_cmp(const void *_a, const void *_b)
{
const uint32_t *a = _a;
const uint32_t *b = _b;
for (uint32_t i = 0; i < (1 << PARAM_K); i++)
{
if (*a != *b)
return *a - *b;
a++;
b++;
}
return 0;
}
/*
** Print all solutions.
**
** In mining mode, return the number of shares, that is the number of solutions
** that were under the target.
*/
/*
** Sort a pair of binary blobs (a, b) which are consecutive in memory and
** occupy a total of 2*len 32-bit words.
**
** a points to the pair
** len number of 32-bit words in each pair
*/
void sort_pair(uint32_t *a, uint32_t len)
{
uint32_t *b = a + len;
uint32_t tmp, need_sorting = 0;
for (uint32_t i = 0; i < len; i++)
if (need_sorting || a[i] > b[i])
{
need_sorting = 1;
tmp = a[i];
a[i] = b[i];
b[i] = tmp;
}
else if (a[i] < b[i])
return;
}
/*
** If solution is invalid return 0. If solution is valid, sort the inputs
** and return 1.
*/
#define SEEN_LEN (1 << (PREFIX + 1)) / 8
uint32_t verify_sol(sols_t *sols, unsigned sol_i)
{
uint32_t *inputs = sols->values[sol_i];
//uint32_t seen_len = (1 << (PREFIX + 1)) / 8;
//uint8_t seen[seen_len]; // @mrb MSVC didn't like this.
uint8_t seen[SEEN_LEN];
uint32_t i;
uint8_t tmp;
// look for duplicate inputs
memset(seen, 0, SEEN_LEN);
for (i = 0; i < (1 << PARAM_K); i++)
{
if (inputs[i] / 8 >= SEEN_LEN)
{
warn("Invalid input retrieved from device: %d\n", inputs[i]);
sols->valid[sol_i] = 0;
return 0;
}
tmp = seen[inputs[i] / 8];
seen[inputs[i] / 8] |= 1 << (inputs[i] & 7);
if (tmp == seen[inputs[i] / 8])
{
// at least one input value is a duplicate
sols->valid[sol_i] = 0;
return 0;
}
}
// the valid flag is already set by the GPU, but set it again because
// I plan to change the GPU code to not set it
sols->valid[sol_i] = 1;
// sort the pairs in place
for (uint32_t level = 0; level < PARAM_K; level++)
for (i = 0; i < (1 << PARAM_K); i += (2 << level))
sort_pair(&inputs[i], 1 << level);
return 1;
}
int fulltest(const uint32_t *hash, const uint32_t *target)
{
int i;
int rc = 1;
for (i = 7; i >= 0; i--) {
if (hash[i] > target[i]) {
rc = 0;
break;
}
if (hash[i] < target[i]) {
rc = 1;
break;
}
if (hash[1] == target[1]) {
}
}
return rc;
}
/*
** Return the number of valid solutions.
*/
uint32_t verify_nonce(cl_command_queue queue, cl_mem nonces_d,
uint8_t *header, size_t fixed_nonce_bytes, uint8_t *target,
char *job_id, uint32_t *shares, uchar *verus, uint32_t **pnonce)
{
uint8_t buffer[1347] = { 0 };
unsigned char *p;
uint32_t sh = 0;
uint32_t winning_n;
check_clEnqueueReadBuffer(queue, nonces_d,
CL_TRUE, // cl_bool blocking_read
0, // size_t offset
sizeof(uint32_t) * 1, // size_t size
pnonce, // void *ptr
0, // cl_uint num_events_in_wait_list
NULL, // cl_event *event_wait_list
NULL); // cl_event *event
winning_n = pnonce[0];
if (winning_n != 0xfffffffful)
{
uint32_t vhash[8];
// Verus2hash((unsigned char *)vhash, (unsigned char *)verus, winning_n);
// printf("GPU hash end= %08x\n", vhash[7]);
const uint32_t Htarg = ((uint32_t*)&target[0])[7];
if (vhash[7] >= Htarg || fulltest(vhash, (uint32_t*)target)) {
((uint32_t*)&buffer)[333] = winning_n & 0xffffffff;
// ((uint32_t*)&buffer)[334] = winning_n >> 32;
buffer[0] = 0xfd; buffer[1] = 0x40; buffer[2] = 0x05; buffer[3] = 0x06;
sh = 1;
debug("Hash is under target\n");
printf("sol: %s ", job_id);
p = header + ZCASH_BLOCK_OFFSET_NTIME;
printf("%02x%02x%02x%02x ", p[0], p[1], p[2], p[3]);
printf("%s ", s_hexdump(header + ZCASH_BLOCK_HEADER_LEN - ZCASH_NONCE_LEN +
fixed_nonce_bytes, ZCASH_NONCE_LEN - fixed_nonce_bytes));
printf("%s\n", s_hexdump(buffer, 1347));
fflush(stdout);
}
}
// if (shares)
// *shares = sh; //***NOT SURE MAY HAVE TO CHECK ***
return sh;
}
unsigned get_value(unsigned *data, unsigned row)
{
return data[row];
}
void VerusHashHalf(uint8_t *result2, uint8_t *data, int len)
{
unsigned char buf1[64] = { 0 }, buf2[64] = { 0 };
unsigned char *curBuf = buf1, *result = buf2;
size_t curPos = 0;
//unsigned char result[64];
curBuf = buf1;
result = buf2;
curPos = 0;
memset(buf1, 64, 0);
unsigned char *tmp;
load_constants_port();
// digest up to 32 bytes at a time
for (int pos = 0; pos < len; )
{
int room = 32 - curPos;
if (len - pos >= room)
{
memcpy(curBuf + 32 + curPos, data + pos, room);
haraka512_port(result, curBuf);
tmp = curBuf;
curBuf = result;
result = tmp;
pos += room;
curPos = 0;
}
else
{
memcpy(curBuf + 32 + curPos, data + pos, len - pos);
curPos += len - pos;
pos = len;
}
}
memcpy(curBuf + 47, curBuf, 16);
memcpy(curBuf + 63, curBuf, 1);
// FillExtra((u128 *)curBuf);
memcpy(result2, curBuf, 64);
};
int read_last_line(char *buf, size_t len, int block)
{
char *start;
size_t pos = 0;
ssize_t n;
#ifndef WIN32
set_blocking_mode(0, block);
#endif
while (42)
{
#ifndef WIN32
n = read(0, buf + pos, len - pos);
if (n == -1 && errno == EINTR)
continue;
else if (n == -1 && (errno == EAGAIN || errno == EWOULDBLOCK))
{
if (!pos)
return 0;
warn("strange: a partial line was read\n");
// a partial line was read, continue reading it in blocking mode
// to be sure to read it completely
set_blocking_mode(0, 1);
continue;
}
else if (n == -1)
fatal("read stdin: %s\n", strerror(errno));
else if (!n)
fatal("EOF on stdin\n");
pos += n;
if (buf[pos - 1] == '\n')
// 1 (or more) complete lines were read
break;
#else
DWORD bytesAvailable = 0;
HANDLE stdinHandle = GetStdHandle(STD_INPUT_HANDLE);
PeekNamedPipe(stdinHandle, NULL, 0, NULL, &bytesAvailable, NULL);
if (bytesAvailable > 0) {
if (!ReadFile(stdinHandle, buf, bytesAvailable, &bytesAvailable, NULL)) {
fatal("ReadFile: %d", GetLastError());
}
pos += bytesAvailable;
}
else {
return 0;
}
if (buf[pos - 1] == '\n')
// 1 (or more) complete lines were read
break;
#endif
}
start = memrchr(buf, '\n', pos - 1);
if (start)
{
warn("strange: more than 1 line was read\n");
// more than 1 line; copy the last line to the beginning of the buffer
pos -= (start + 1 - buf);
memmove(buf, start + 1, pos);
}
// overwrite '\n' with NUL
buf[pos - 1] = 0;
return 1;
}
/*
** Parse a string:
** "<target> <job_id> <header> <nonce_leftpart>"
** (all the parts are in hex, except job_id which is a non-whitespace string),
** decode the hex values and store them in the relevant buffers.
**
** The remaining part of <header> that is not set by
** <header><nonce_leftpart> will be randomized so that the miner
** solves a unique Equihash PoW.
**
** str string to parse
** target buffer where the <target> will be stored
** target_len size of target buffer
** job_id buffer where the <job_id> will be stored
** job_id_len size of job_id buffer
** header buffer where the <header><nonce_leftpart> will be
** concatenated and stored
** header_len size of the header_buffer
** fixed_nonce_bytes
** nr of bytes represented by <nonce_leftpart> will be stored here;
** this is the number of nonce bytes fixed by the stratum server
*/
void mining_parse_job(char *str, uint8_t *target, size_t target_len,
char *job_id, size_t job_id_len, uint8_t *header, size_t header_len,
size_t *fixed_nonce_bytes)
{
uint32_t str_i, i;
// parse target
str_i = 0;
for (i = 0; i < target_len; i++, str_i += 2)
target[i] = hex2val(str, str_i) * 16 + hex2val(str, str_i + 1);
assert(str[str_i] == ' ');
str_i++;
// parse job_id
for (i = 0; i < job_id_len && str[str_i] != ' '; i++, str_i++)
job_id[i] = str[str_i];
assert(str[str_i] == ' ');
assert(i < job_id_len);
job_id[i] = 0;
str_i++;
// parse header and nonce_leftpart
for (i = 0; i < header_len && str[str_i] != ' '; i++, str_i += 2)
header[i] = hex2val(str, str_i) * 16 + hex2val(str, str_i + 1);
assert(str[str_i] == ' ');
str_i++;
*fixed_nonce_bytes = 0;
while (i < header_len && str[str_i] && str[str_i] != '\n')
{
header[i] = hex2val(str, str_i) * 16 + hex2val(str, str_i + 1);
i++;
str_i += 2;
(*fixed_nonce_bytes)++;
}
assert(!str[str_i]);
// Randomize rest of the bytes except N_ZERO_BYTES bytes which must be zero
debug("Randomizing %d bytes in nonce\n", header_len - N_ZERO_BYTES - i);
randomize(header + i, header_len - N_ZERO_BYTES - i);
memset(header + header_len - N_ZERO_BYTES, 0, N_ZERO_BYTES);
}
/*
** Run in mining mode.
*/
#ifndef DEFAULT_NUM_MINING_MODE_THREADS
#define DEFAULT_NUM_MINING_MODE_THREADS 1
#define MAX_NUM_MINING_MODE_THREADS 16
#endif
uint32_t num_mining_mode_threads = DEFAULT_NUM_MINING_MODE_THREADS;
#ifdef WIN32
CRITICAL_SECTION cs;
#endif
struct mining_mode_thread_args {
cl_device_id dev_id;
cl_context ctx;
cl_command_queue queue;
//
uint8_t header[ZCASH_BLOCK_HEADER_LEN];
uint8_t target[32];
char job_id[256];
size_t fixed_nonce_bytes;
uint64_t *total;
uint64_t *total_shares;
};
#define ARGS ((struct mining_mode_thread_args *)args)
void mining_mode(cl_device_id dev_id, cl_program program, cl_context ctx, cl_command_queue queue,
cl_kernel *k_verus, uint8_t *header)
{
char line[4096];
uint8_t target[32];
char job_id[256];
size_t fixed_nonce_bytes = 0;
uint64_t i;
uint64_t total = 0;
uint32_t shares;
uint64_t total_shares = 0;
uint64_t t0 = 0, t1;
uint64_t status_period = 300e3; // time (usec) between statuses
cl_int status;
uint8_t *blockhash_half; // [64] = { 0 };
uint8_t *ptarget;
uint32_t *pnonces;
cl_mem key_const_d, data_keylarge_d, blockhash_half_d, target_d, resnonces_d, startNonce_d;
size_t global_ws;
size_t local_work_size = 256;
uint32_t nonces_total = 0;
uint64_t *nonce_ptr;
uint32_t *nonce_sum;
unsigned char block_41970[] = { 0xfd, 0x40, 0x05, 0x06 };
uint8_t full_data[140 + 3 + 1344] = { 0 };
uint8_t* sol_data = &full_data[140];
blockhash_half = (uint8_t*)malloc(sizeof(uint8_t) * 64);
ptarget = (uint8_t *)malloc(sizeof(uint8_t) * 32);
pnonces = (uint32_t *)malloc(sizeof(uint32_t) * 1);
nonce_sum = (uint32_t *)malloc(sizeof(uint32_t) * 1);
data_key = (u128 *)malloc(VERUS_KEY_SIZE);
uint32_t num_sols;
key_const_d = check_clCreateBuffer(ctx, CL_MEM_READ_ONLY, sizeof(uint8_t) * VERUS_KEY_SIZE, NULL);
blockhash_half_d = check_clCreateBuffer(ctx, CL_MEM_READ_ONLY, sizeof(uint8_t) * 64, NULL);
target_d = check_clCreateBuffer(ctx, CL_MEM_READ_ONLY, sizeof(uint8_t) * 32, NULL);
resnonces_d = check_clCreateBuffer(ctx, CL_MEM_READ_WRITE, sizeof(uint32_t) * 2, NULL);
startNonce_d = check_clCreateBuffer(ctx, CL_MEM_READ_ONLY, sizeof(uint32_t) * 2, NULL);
data_keylarge_d = check_clCreateBuffer(ctx, CL_MEM_READ_WRITE, sizeof(uint8_t) * VERUS_KEY_SIZE * VERUS_PACKET, NULL);
nonce_ptr = (uint64_t *)(header + ZCASH_BLOCK_HEADER_LEN - ZCASH_NONCE_LEN);
#ifdef WIN32
InitializeCriticalSection(&cs);
#endif
puts("SILENTARMY mining mode ready");
fflush(stdout);
#ifdef WIN32
SetConsoleOutputCP(65001);
#endif
int started = 0;
for (i = 0; ; i++)
{
int changed = 0;
// iteration #0 always reads a job or else there is nothing to do
nonce_sum[0] = 0;
if (read_last_line(line, sizeof(line), !i)) {
changed = 1; started = 1;
#ifdef WIN32
EnterCriticalSection(&cs);
#endif
mining_parse_job(line,
target, sizeof(target),
job_id, sizeof(job_id),
header, ZCASH_BLOCK_HEADER_LEN,
&fixed_nonce_bytes);
#ifdef WIN32
LeaveCriticalSection(&cs);
#endif
memcpy(full_data, header, 140);
memcpy(sol_data, block_41970, 4);
//memcpy(full_data, data, 1487);
VerusHashHalf(blockhash_half, (unsigned char*)full_data, 1487);
GenNewCLKey((unsigned char*)blockhash_half, data_key);
for (int j = 0; j < 32; j++)
ptarget[j] = target[j];
pnonces[0] = 0xfffffffful;
nonce_sum[0] = 0x0ul;
// send header,key,target to GPU verus_setBlock(blockhash_half, target, (uint8_t*)data_key, throughput); //set data to gpu kernel
}
else if (nonce_sum[0] == 0) //main nonce needs incrementing
{
changed = 1;
// increment bytes 17-19
(*(uint32_t *)((uint8_t *)nonce_ptr + 17))++;
// byte 20 and above must be zero
*(uint32_t *)((uint8_t *)nonce_ptr + 20) = 0;
memcpy(full_data, header, 140);
memcpy(sol_data, block_41970, 4);
//memcpy(full_data, header, 1487);
VerusHashHalf(blockhash_half, (unsigned char*)full_data, 1487);
GenNewCLKey((unsigned char*)blockhash_half, data_key);