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v3.8.2

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Jay D Dee
2018-02-15 14:48:50 -05:00
parent e4265a6f11
commit d60a268972
57 changed files with 3469 additions and 2135 deletions
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94
algo/ripemd/lbry-gate.c Normal file
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#include "lbry-gate.h"
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <stdio.h>
double lbry_calc_network_diff( struct work *work )
{
// sample for diff 43.281 : 1c05ea29
// todo: endian reversed on longpoll could be zr5 specific...
uint32_t nbits = swab32( work->data[ LBRY_NBITS_INDEX ] );
uint32_t bits = (nbits & 0xffffff);
int16_t shift = (swab32(nbits) & 0xff); // 0x1c = 28
double d = (double)0x0000ffff / (double)bits;
for (int m=shift; m < 29; m++) d *= 256.0;
for (int m=29; m < shift; m++) d /= 256.0;
if (opt_debug_diff)
applog(LOG_DEBUG, "net diff: %f -> shift %u, bits %08x", d, shift, bits);
return d;
}
// std_le should work but it doesn't
void lbry_le_build_stratum_request( char *req, struct work *work,
struct stratum_ctx *sctx )
{
unsigned char *xnonce2str;
uint32_t ntime, nonce;
char ntimestr[9], noncestr[9];
le32enc( &ntime, work->data[ LBRY_NTIME_INDEX ] );
le32enc( &nonce, work->data[ LBRY_NONCE_INDEX ] );
bin2hex( ntimestr, (char*)(&ntime), sizeof(uint32_t) );
bin2hex( noncestr, (char*)(&nonce), sizeof(uint32_t) );
xnonce2str = abin2hex( work->xnonce2, work->xnonce2_len);
snprintf( req, JSON_BUF_LEN,
"{\"method\": \"mining.submit\", \"params\": [\"%s\", \"%s\", \"%s\", \"%s\", \"%s\"], \"id\":4}",
rpc_user, work->job_id, xnonce2str, ntimestr, noncestr );
free(xnonce2str);
}
void lbry_build_extraheader( struct work* g_work, struct stratum_ctx* sctx )
{
unsigned char merkle_root[64] = { 0 };
size_t t;
int i;
algo_gate.gen_merkle_root( merkle_root, sctx );
// Increment extranonce2
for ( t = 0; t < sctx->xnonce2_size && !( ++sctx->job.xnonce2[t] ); t++ );
// Assemble block header
memset( g_work->data, 0, sizeof(g_work->data) );
g_work->data[0] = le32dec( sctx->job.version );
for ( i = 0; i < 8; i++ )
g_work->data[1 + i] = le32dec( (uint32_t *) sctx->job.prevhash + i );
for ( i = 0; i < 8; i++ )
g_work->data[9 + i] = be32dec( (uint32_t *) merkle_root + i );
for ( int i = 0; i < 8; i++ )
g_work->data[17 + i] = ((uint32_t*)sctx->job.claim)[i];
g_work->data[ LBRY_NTIME_INDEX ] = le32dec(sctx->job.ntime);
g_work->data[ LBRY_NBITS_INDEX ] = le32dec(sctx->job.nbits);
g_work->data[28] = 0x80000000;
}
void lbry_set_target( struct work* work, double job_diff )
{
work_set_target( work, job_diff / (256.0 * opt_diff_factor) );
}
int64_t lbry_get_max64() { return 0x1ffffLL; }
bool register_lbry_algo( algo_gate_t* gate )
{
gate->optimizations = SSE2_OPT | AVX_OPT | AVX2_OPT | SHA_OPT;
#if defined (LBRY_4WAY)
gate->scanhash = (void*)&scanhash_lbry_4way;
gate->hash = (void*)&lbry_4way_hash;
#else
gate->scanhash = (void*)&scanhash_lbry;
gate->hash = (void*)&lbry_hash;
#endif
gate->calc_network_diff = (void*)&lbry_calc_network_diff;
gate->get_max64 = (void*)&lbry_get_max64;
gate->build_stratum_request = (void*)&lbry_le_build_stratum_request;
gate->build_extraheader = (void*)&lbry_build_extraheader;
gate->set_target = (void*)&lbry_set_target;
gate->ntime_index = LBRY_NTIME_INDEX;
gate->nbits_index = LBRY_NBITS_INDEX;
gate->nonce_index = LBRY_NONCE_INDEX;
gate->work_data_size = LBRY_WORK_DATA_SIZE;
return true;
}