This commit is contained in:
Jay D Dee
2016-11-28 12:59:56 -05:00
parent c551fb4a25
commit 06f82c5b97
10 changed files with 58 additions and 1297 deletions

View File

@@ -45,6 +45,8 @@
#define scrypt_maxr scrypt_r_32kb /* 32kb */
#define scrypt_maxp 25 /* (1 << 25) = ~33 million */
uint64_t sj_N;
typedef struct scrypt_aligned_alloc_t {
uint8_t *mem, *ptr;
} scrypt_aligned_alloc;
@@ -140,7 +142,8 @@ int scanhash_scryptjane( int thr_id, struct work *work, uint32_t max_nonce,
{
scrypt_aligned_alloc YX, V;
uint8_t *X, *Y;
uint32_t N, chunk_bytes;
// uint32_t N, chunk_bytes;
uint32_t chunk_bytes;
const uint32_t r = SCRYPT_R;
const uint32_t p = SCRYPT_P;
@@ -162,10 +165,14 @@ int scanhash_scryptjane( int thr_id, struct work *work, uint32_t max_nonce,
// //scrypt_fatal_error("scrypt: N out of range");
//}
N = (1 << ( opt_scrypt_n + 1));
// opt_scrypt_n default is 1024 which makes no sense in this context
// and results in N = 2, but it seems to work on Nicehash scryptjanenf16
// (leocoin). Need to test with proper NF 16 for functionality and performance.
// Also test yacoin (NF 18).
// N = (1 << ( opt_scrypt_n + 1));
chunk_bytes = SCRYPT_BLOCK_BYTES * r * 2;
if (!scrypt_alloc((uint64_t)N * chunk_bytes, &V)) return 1;
if (!scrypt_alloc( sj_N * chunk_bytes, &V ) ) return 1;
if (!scrypt_alloc((p + 1) * chunk_bytes, &YX)) {
scrypt_free(&V);
return 1;
@@ -181,7 +188,7 @@ int scanhash_scryptjane( int thr_id, struct work *work, uint32_t max_nonce,
scrypt_N_1_1((unsigned char *)endiandata, 80,
(unsigned char *)endiandata, 80,
N, (unsigned char *)hash, 32, X, Y, V.ptr);
sj_N, (unsigned char *)hash, 32, X, Y, V.ptr);
if (hash[7] <= Htarg && fulltest(hash, ptarget)) {
pdata[19] = nonce;
@@ -208,14 +215,13 @@ void scryptjanehash(void *output, const void *input )
scrypt_aligned_alloc YX, V;
uint8_t *X, *Y;
uint32_t chunk_bytes;
uint32_t N = (1 << ( opt_scrypt_n + 1));
const uint32_t r = SCRYPT_R;
const uint32_t p = SCRYPT_P;
memset(output, 0, 32);
chunk_bytes = SCRYPT_BLOCK_BYTES * r * 2;
if (!scrypt_alloc((uint64_t)N * chunk_bytes, &V)) return;
if (!scrypt_alloc( sj_N * chunk_bytes, &V ) ) return;
if (!scrypt_alloc((p + 1) * chunk_bytes, &YX)) {
scrypt_free(&V);
return;
@@ -225,7 +231,7 @@ void scryptjanehash(void *output, const void *input )
X = Y + chunk_bytes;
scrypt_N_1_1((unsigned char*)input, 80, (unsigned char*)input, 80,
N, (unsigned char*)output, 32, X, Y, V.ptr);
sj_N, (unsigned char*)output, 32, X, Y, V.ptr);
scrypt_free(&V);
scrypt_free(&YX);
@@ -238,8 +244,23 @@ bool register_scryptjane_algo( algo_gate_t* gate )
gate->hash_alt = (void*)&scryptjanehash;
gate->set_target = (void*)&scrypt_set_target;
gate->get_max64 = (void*)&get_max64_0x40LL;
if ( opt_nfactor == 0 )
opt_nfactor = 16;
// figure out if arg in N or Nfactor
if ( !opt_scrypt_n )
{
applog( LOG_ERR, "The N factor must be specified in the form algo:nf");
return false;
}
else if ( opt_scrypt_n < 32 )
{
// arg is Nfactor, calculate N
sj_N = 1 << ( opt_scrypt_n + 1 );
}
else
{
// arg is N
sj_N = opt_scrypt_n;
}
return true;
}