int main(int argc, char **argv) {
int i;
if(argc < 3) {
printf("Usage: ./mine <node url> [<plot dir> <plot dir> ..]\n");
exit(-1);
}
#ifdef SOLO
// Reading passphrase from file
int pf = open( "passphrases.txt", O_RDONLY );
if( pf < 0 ) {
printf("For solo mining: could not find file passphrases.txt\nThis file should contain the passphrase used to create the plotfiles\n");
exit(-1);
}
int bytes = read( pf, passphrase, 2000 );
// Replace spaces with +
for( i=0; i<bytes; i++ ) {
if( passphrase[i] == ' ' )
passphrase[i] = '+';
// end on newline
if( passphrase[i] == '\n' || passphrase[i] == '\r')
passphrase[i] = 0;
}
passphrase[bytes] = 0;
#endif
// Check if all directories exist:
struct stat d = {0};
for(i = 2; i < argc; i++) {
if ( stat( argv[i], &d) ) {
printf( "Plot directory %s does not exist\n", argv[i] );
exit(-1);
} else {
if( !(d.st_mode & S_IFDIR) ) {
printf( "%s is not a directory\n", argv[i] );
exit(-1);
}
}
}
char *hostname = argv[1];
// Contains http://? strip it.
if(strncmp(hostname, "http://", 7) == 0)
hostname += 7;
// Contains Port? Extract and strip.
char *p = strstr(hostname, ":");
if(p != NULL) {
p[0] = 0;
p++;
nodeport = atoi(p);
}
printf("Using %s port %i\n", hostname, nodeport);
hostname_to_ip(hostname, nodeip);
memset(oldSignature, 0, 33);
pthread_t worker[argc];
time(&starttime);
// Get startpoint:
update();
// Main loop
for(;;) {
// Get scoop:
char scoopgen[40];
memmove(scoopgen, signature, 32);
char *mov = (char*)&height;
scoopgen[32] = mov[7]; scoopgen[33] = mov[6]; scoopgen[34] = mov[5]; scoopgen[35] = mov[4]; scoopgen[36] = mov[3]; scoopgen[37] = mov[2]; scoopgen[38] = mov[1]; scoopgen[39] = mov[0];
shabal_context x;
shabal_init(&x, 256);
shabal(&x, scoopgen, 40);
char xcache[32];
shabal_close(&x, 0, 0, xcache);
scoop = (((unsigned char)xcache[31]) + 256 * (unsigned char)xcache[30]) % HASH_CAP;
// New block: reset stats
best = bestn = deadline = bytesRead = 0;
#ifdef SHARE_POOL
sharefill = 0;
#endif
for(i = 2; i < argc; i++) {
if(pthread_create(&worker[i], NULL, work_i, argv[i])) {
printf("\nError creating thread. Out of memory? Try lower stagger size\n");
exit(-1);
}
}
#ifdef SHARE_POOL
// Collect threads back in for dev's pool:
for(i = 2; i < argc; i++)
pthread_join(worker[i], NULL);
if(sharefill > 0) {
char *f1 = (char*) malloc(SHARECACHE * 100);
char *f2 = (char*) malloc(SHARECACHE * 100);
int used = 0;
for(i = 0; i<sharefill; i++)
used += sprintf(&f1[used], "%llu:%llu\n", sharekey[i], sharenonce[i]);
int ilen = 1, red = used;
while(red > 10) {
ilen++;
red /= 10;
}
int db = sprintf(f2, "POST /pool/submitWork HTTP/1.0\r\nHost: %s:%i\r\nContent-Type: text/plain;charset=UTF-8\r\nContent-Length: %i\r\n\r\n{\"%s\", %u}", nodeip, nodeport, used + 6 + ilen , f1, used);
printf("\nServer response: %s\n", contactWallet(f2, db));
free(f1);
free(f2);
}
#endif
memmove(oldSignature, signature, 32);
// Wait until block changes:
do {
update();
time_t ttime;
time(&ttime);
#ifdef SHARE_POOL
printf("\r%llu MB read/%llu GB total/%i shares@target %llu ", (bytesRead / ( 1024 * 1024 )), (bytesRead / (256 * 1024)), sharefill, targetdeadline);
#else
if(deadline == 0)
printf("\r%llu MB read/%llu GB total/no low enough deadline yet", (bytesRead / ( 1024 * 1024 )), (bytesRead / (256 * 1024)));
else
printf("\r%llu MB read/%llu GB total/deadline %llus (%llis left)", (bytesRead / ( 1024 * 1024 )), (bytesRead / (256 * 1024)), deadline, (long long)deadline + (unsigned int)starttime - (unsigned int)ttime);
#endif
fflush(stdout);
struct timespec wait;
// Query faster when solo mining
#ifdef SOLO
wait.tv_sec = 1;
#else
wait.tv_sec = 5;
#endif
wait.tv_nsec = 0;
nanosleep(&wait, NULL);
} while(memcmp(signature, oldSignature, 32) == 0); // Wait until signature changed
printf("\nNew block %llu, basetarget %llu \n", height, baseTarget);
fflush(stdout);
// Remember starttime
time(&starttime);
#ifndef SHARE_POOL
// Tell all threads to stop:
stopThreads = 1;
for(i = 2; i < argc; i++)
pthread_join(worker[i], NULL);
stopThreads = 0;
#endif
}
}
/* see sph_shabal.h */
void
sph_shabal512_init(void *cc)
{
shabal_init(cc, 512);
}
void procscoop(unsigned long long nonce, int n, char *data, unsigned long long account_id) {
char *cache;
char sig[32 + 64];
cache = data;
int v;
memmove(sig, signature, 32);
for(v=0; v<n; v++) {
memmove(&sig[32], cache, 64);
shabal_context x;
shabal_init(&x, 256);
shabal(&x, sig, 64 + 32);
char res[32];
shabal_close(&x, 0, 0, res);
unsigned long long *wertung = (unsigned long long*)res;
// Sharepool: Submit all deadlines below threshold
// Uray_pool: Submit best deadline
// Solo: Best deadline, but not low quality deadlines
#ifdef SHARE_POOL
// For sharepool just store results for later submission
if(*wertung < targetdeadline * baseTarget && sharefill < SHARECACHE) {
sharekey[sharefill] = account_id;
sharenonce[sharefill] = nonce;
sharefill++;
}
#else
if(bestn == 0 || *wertung <= best) {
best = *wertung;
bestn = nonce;
#ifdef SOLO
if(best < baseTarget * MAXDEADLINE) { // Has to be this good before we inform the node
#endif
#ifdef URAY_POOL
int bytes = sprintf(writebuffer, "POST /burst?requestType=submitNonce&accountId=%llu&nonce=%llu HTTP/1.0\r\nConnection: close\r\n\r\n", account_id,bestn);
#else
int bytes = sprintf(writebuffer, "POST /burst?requestType=submitNonce&secretPhrase=%s&nonce=%llu HTTP/1.0\r\nConnection: close\r\n\r\n", passphrase, bestn);
#endif
char *buffer = contactWallet( writebuffer, bytes );
if(buffer != NULL) {
char *rdeadline = strstr(buffer, "\"deadline\":");
if(rdeadline != NULL) {
rdeadline += 11;
char *end = strstr(rdeadline, "}");
if(end != NULL) {
// Parse and check if we have a better deadline
unsigned long long ndeadline = strtoull(rdeadline, 0, 10);
if(ndeadline < deadline || deadline == 0)
deadline = ndeadline;
}
}
#ifdef SOLO
// Deadline too high? Passphrase may be wrong.
if(deadline > MAXDEADLINE) {
printf("\nYour deadline is larger than it should be. Check if you put the correct passphrase to passphrases.txt.\n");
fflush(stdout);
}
#endif
}
#ifdef SOLO
}
#endif
}
#endif
nonce++;
cache += 64;
}
}
/* see sph_shabal.h */
void
sph_shabal384_init(void *cc)
{
shabal_init(cc, 384);
}
/* see sph_shabal.h */
void
sph_shabal256_init(void *cc)
{
shabal_init(cc, 256);
}
/* see sph_shabal.h */
void
sph_shabal224_init(void *cc)
{
shabal_init(cc, 224);
}
/* see sph_shabal.h */
void
sph_shabal192_init(void *cc)
{
shabal_init(cc, 192);
}
static void
shabal_close(void *cc, unsigned ub, unsigned n, void *dst, unsigned size_words)
{
sph_shabal_context *sc;
unsigned char *buf;
size_t ptr;
int i;
unsigned z;
union {
unsigned char tmp_out[64];
sph_u32 dummy;
} u;
size_t out_len;
DECL_STATE
sc = cc;
buf = sc->buf;
ptr = sc->ptr;
z = 0x80 >> n;
buf[ptr] = ((ub & -z) | z) & 0xFF;
memset(buf + ptr + 1, 0, (sizeof sc->buf) - (ptr + 1));
READ_STATE(sc);
DECODE_BLOCK;
INPUT_BLOCK_ADD;
XOR_W;
APPLY_P;
for (i = 0; i < 3; i ++) {
SWAP_BC;
XOR_W;
APPLY_P;
}
/*
* We just use our local variables; no need to go through
* the state structure. In order to share some code, we
* emit the relevant words into a temporary buffer, which
* we finally copy into the destination array.
*/
switch (size_words) {
case 16:
sph_enc32le_aligned(u.tmp_out + 0, B0);
sph_enc32le_aligned(u.tmp_out + 4, B1);
sph_enc32le_aligned(u.tmp_out + 8, B2);
sph_enc32le_aligned(u.tmp_out + 12, B3);
/* fall through */
case 12:
sph_enc32le_aligned(u.tmp_out + 16, B4);
sph_enc32le_aligned(u.tmp_out + 20, B5);
sph_enc32le_aligned(u.tmp_out + 24, B6);
sph_enc32le_aligned(u.tmp_out + 28, B7);
/* fall through */
case 8:
sph_enc32le_aligned(u.tmp_out + 32, B8);
/* fall through */
case 7:
sph_enc32le_aligned(u.tmp_out + 36, B9);
/* fall through */
case 6:
sph_enc32le_aligned(u.tmp_out + 40, BA);
sph_enc32le_aligned(u.tmp_out + 44, BB);
sph_enc32le_aligned(u.tmp_out + 48, BC);
sph_enc32le_aligned(u.tmp_out + 52, BD);
sph_enc32le_aligned(u.tmp_out + 56, BE);
sph_enc32le_aligned(u.tmp_out + 60, BF);
break;
default:
return;
}
out_len = size_words << 2;
memcpy(dst, u.tmp_out + (sizeof u.tmp_out) - out_len, out_len);
shabal_init(sc, size_words << 5);
}