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/*
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* InkCoin kernel implementation.
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*
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* ==========================(LICENSE BEGIN)============================
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*
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* Copyright (c) 2014 phm
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* ===========================(LICENSE END)=============================
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*
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* @author phm <phm@inbox.com>
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*/
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#ifndef DARKCOIN_CL
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#define DARKCOIN_CL
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#if __ENDIAN_LITTLE__
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#define SPH_LITTLE_ENDIAN 1
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#else
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#define SPH_BIG_ENDIAN 1
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#endif
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#define SPH_UPTR sph_u64
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typedef unsigned int sph_u32;
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typedef int sph_s32;
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#ifndef __OPENCL_VERSION__
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typedef unsigned long long sph_u64;
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typedef long long sph_s64;
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#else
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typedef unsigned long sph_u64;
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typedef long sph_s64;
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#endif
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#define SPH_64 1
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#define SPH_64_TRUE 1
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#define SPH_C32(x) ((sph_u32)(x ## U))
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#define SPH_T32(x) ((x) & SPH_C32(0xFFFFFFFF))
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#define SPH_ROTL32(x, n) SPH_T32(((x) << (n)) | ((x) >> (32 - (n))))
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#define SPH_ROTR32(x, n) SPH_ROTL32(x, (32 - (n)))
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#define SPH_C64(x) ((sph_u64)(x ## UL))
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#define SPH_T64(x) ((x) & SPH_C64(0xFFFFFFFFFFFFFFFF))
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#define SPH_ROTL64(x, n) SPH_T64(((x) << (n)) | ((x) >> (64 - (n))))
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#define SPH_ROTR64(x, n) SPH_ROTL64(x, (64 - (n)))
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#define SPH_ECHO_64 1
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#define SPH_KECCAK_64 1
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#define SPH_JH_64 1
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#define SPH_SIMD_NOCOPY 0
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#define SPH_KECCAK_NOCOPY 0
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#define SPH_COMPACT_BLAKE_64 0
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#define SPH_LUFFA_PARALLEL 0
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#define SPH_SMALL_FOOTPRINT_GROESTL 0
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#define SPH_GROESTL_BIG_ENDIAN 0
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#define SPH_CUBEHASH_UNROLL 0
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#define SPH_KECCAK_UNROLL 0
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#include "shavite.cl"
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#define SWAP4(x) as_uint(as_uchar4(x).wzyx)
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#define SWAP8(x) as_ulong(as_uchar8(x).s76543210)
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#if SPH_BIG_ENDIAN
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#define DEC64E(x) (x)
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#define DEC64BE(x) (*(const __global sph_u64 *) (x));
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#define DEC32LE(x) SWAP4(*(const __global sph_u32 *) (x));
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#else
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#define DEC64E(x) SWAP8(x)
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#define DEC64BE(x) SWAP8(*(const __global sph_u64 *) (x));
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#define DEC32LE(x) (*(const __global sph_u32 *) (x));
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#endif
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// __attribute__((reqd_work_group_size(WORKSIZE, 1, 1)))
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__kernel void search(__global unsigned char* block, volatile __global uint* output, const ulong target)
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{
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uint gid = get_global_id(0);
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union {
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unsigned char h1[64];
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uint h4[16];
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ulong h8[8];
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} hash;
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__local sph_u32 AES0[256], AES1[256], AES2[256], AES3[256];
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int init = get_local_id(0);
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int step = get_local_size(0);
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for (int i = init; i < 256; i += step)
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{
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AES0[i] = AES0_C[i];
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AES1[i] = AES1_C[i];
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AES2[i] = AES2_C[i];
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AES3[i] = AES3_C[i];
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}
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barrier(CLK_LOCAL_MEM_FENCE);
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// shavite
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{
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// IV
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sph_u32 h0 = SPH_C32(0x72FCCDD8), h1 = SPH_C32(0x79CA4727), h2 = SPH_C32(0x128A077B), h3 = SPH_C32(0x40D55AEC);
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sph_u32 h4 = SPH_C32(0xD1901A06), h5 = SPH_C32(0x430AE307), h6 = SPH_C32(0xB29F5CD1), h7 = SPH_C32(0xDF07FBFC);
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sph_u32 h8 = SPH_C32(0x8E45D73D), h9 = SPH_C32(0x681AB538), hA = SPH_C32(0xBDE86578), hB = SPH_C32(0xDD577E47);
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sph_u32 hC = SPH_C32(0xE275EADE), hD = SPH_C32(0x502D9FCD), hE = SPH_C32(0xB9357178), hF = SPH_C32(0x022A4B9A);
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// state
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sph_u32 rk00, rk01, rk02, rk03, rk04, rk05, rk06, rk07;
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sph_u32 rk08, rk09, rk0A, rk0B, rk0C, rk0D, rk0E, rk0F;
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sph_u32 rk10, rk11, rk12, rk13, rk14, rk15, rk16, rk17;
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sph_u32 rk18, rk19, rk1A, rk1B, rk1C, rk1D, rk1E, rk1F;
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sph_u32 sc_count0 = (80 << 3), sc_count1 = 0, sc_count2 = 0, sc_count3 = 0;
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rk00 = DEC32LE(block + 0 * 4);;
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rk01 = DEC32LE(block + 1 * 4);;
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rk02 = DEC32LE(block + 2 * 4);;
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rk03 = DEC32LE(block + 3 * 4);;
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rk04 = DEC32LE(block + 4 * 4);;
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rk05 = DEC32LE(block + 5 * 4);;
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rk06 = DEC32LE(block + 6 * 4);;
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rk07 = DEC32LE(block + 7 * 4);;
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rk08 = DEC32LE(block + 8 * 4);;
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rk09 = DEC32LE(block + 9 * 4);;
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rk0A = DEC32LE(block + 10 * 4);;
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rk0B = DEC32LE(block + 11 * 4);;
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rk0C = DEC32LE(block + 12 * 4);;
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rk0D = DEC32LE(block + 13 * 4);;
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rk0E = DEC32LE(block + 14 * 4);;
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rk0F = DEC32LE(block + 15 * 4);;
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rk10 = DEC32LE(block + 16 * 4);;
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rk11 = DEC32LE(block + 17 * 4);;
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rk12 = DEC32LE(block + 18 * 4);;
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rk13 = gid;
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rk14 = 0x80;
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rk15 = rk16 = rk17 = rk18 = rk19 = rk1A = 0;
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rk1B = 0x2800000;
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rk1C = rk1D = rk1E = 0;
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rk1F = 0x2000000;
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c512(buf);
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hash.h4[0] = h0;
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hash.h4[1] = h1;
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hash.h4[2] = h2;
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hash.h4[3] = h3;
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hash.h4[4] = h4;
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hash.h4[5] = h5;
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hash.h4[6] = h6;
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hash.h4[7] = h7;
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hash.h4[8] = h8;
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hash.h4[9] = h9;
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hash.h4[10] = hA;
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hash.h4[11] = hB;
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hash.h4[12] = hC;
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hash.h4[13] = hD;
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hash.h4[14] = hE;
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hash.h4[15] = hF;
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}
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// shavite
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{
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// IV
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sph_u32 h0 = SPH_C32(0x72FCCDD8), h1 = SPH_C32(0x79CA4727), h2 = SPH_C32(0x128A077B), h3 = SPH_C32(0x40D55AEC);
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sph_u32 h4 = SPH_C32(0xD1901A06), h5 = SPH_C32(0x430AE307), h6 = SPH_C32(0xB29F5CD1), h7 = SPH_C32(0xDF07FBFC);
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sph_u32 h8 = SPH_C32(0x8E45D73D), h9 = SPH_C32(0x681AB538), hA = SPH_C32(0xBDE86578), hB = SPH_C32(0xDD577E47);
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sph_u32 hC = SPH_C32(0xE275EADE), hD = SPH_C32(0x502D9FCD), hE = SPH_C32(0xB9357178), hF = SPH_C32(0x022A4B9A);
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// state
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sph_u32 rk00, rk01, rk02, rk03, rk04, rk05, rk06, rk07;
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sph_u32 rk08, rk09, rk0A, rk0B, rk0C, rk0D, rk0E, rk0F;
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sph_u32 rk10, rk11, rk12, rk13, rk14, rk15, rk16, rk17;
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sph_u32 rk18, rk19, rk1A, rk1B, rk1C, rk1D, rk1E, rk1F;
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sph_u32 sc_count0 = (64 << 3), sc_count1 = 0, sc_count2 = 0, sc_count3 = 0;
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rk00 = hash.h4[0];
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rk01 = hash.h4[1];
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rk02 = hash.h4[2];
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rk03 = hash.h4[3];
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rk04 = hash.h4[4];
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rk05 = hash.h4[5];
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rk06 = hash.h4[6];
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rk07 = hash.h4[7];
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rk08 = hash.h4[8];
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rk09 = hash.h4[9];
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rk0A = hash.h4[10];
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rk0B = hash.h4[11];
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rk0C = hash.h4[12];
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rk0D = hash.h4[13];
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rk0E = hash.h4[14];
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rk0F = hash.h4[15];
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rk10 = 0x80;
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rk11 = rk12 = rk13 = rk14 = rk15 = rk16 = rk17 = rk18 = rk19 = rk1A = 0;
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rk1B = 0x2000000;
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rk1C = rk1D = rk1E = 0;
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rk1F = 0x2000000;
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c512(buf);
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hash.h4[0] = h0;
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hash.h4[1] = h1;
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hash.h4[2] = h2;
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hash.h4[3] = h3;
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hash.h4[4] = h4;
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hash.h4[5] = h5;
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hash.h4[6] = h6;
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hash.h4[7] = h7;
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hash.h4[8] = h8;
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hash.h4[9] = h9;
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hash.h4[10] = hA;
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hash.h4[11] = hB;
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hash.h4[12] = hC;
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hash.h4[13] = hD;
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hash.h4[14] = hE;
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hash.h4[15] = hF;
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}
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bool result = (hash.h8[3] <= target);
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if (result)
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output[output[0xFF]++] = SWAP4(gid);
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}
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#endif // DARKCOIN_CL
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