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27176b2e09
adds a smart contract roots field (stateroot+utxoroot) to mining.notify like lbry do with their claimtrie. These fields are optional, means there are 2 variants of the phi2 algo Signed-off-by: Tanguy Pruvot <tanguy.pruvot@gmail.com>
62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdio.h>
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#include <sha3/sph_cubehash.h>
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#include <sha3/sph_jh.h>
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#include <sha3/sph_echo.h>
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#include <sha3/sph_skein.h>
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#include "gost.h"
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#include "Lyra2.h"
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#include "common.h"
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void phi2_hash(const char* input, char* output, uint32_t len)
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{
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unsigned char _ALIGN(128) hash[64];
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unsigned char _ALIGN(128) hashA[64];
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unsigned char _ALIGN(128) hashB[64];
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sph_cubehash512_context ctx_cubehash;
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sph_jh512_context ctx_jh;
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sph_gost512_context ctx_gost;
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sph_echo512_context ctx_echo;
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sph_skein512_context ctx_skein;
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sph_cubehash512_init(&ctx_cubehash);
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sph_cubehash512(&ctx_cubehash, input, len);
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sph_cubehash512_close(&ctx_cubehash, (void*)hashB);
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LYRA2(&hashA[ 0], 32, &hashB[ 0], 32, &hashB[ 0], 32, 1, 8, 8);
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LYRA2(&hashA[32], 32, &hashB[32], 32, &hashB[32], 32, 1, 8, 8);
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sph_jh512_init(&ctx_jh);
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sph_jh512(&ctx_jh, (const void*)hashA, 64);
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sph_jh512_close(&ctx_jh, (void*)hash);
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if (hash[0] & 1) {
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sph_gost512_init(&ctx_gost);
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sph_gost512(&ctx_gost, (const void*)hash, 64);
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sph_gost512_close(&ctx_gost, (void*)hash);
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} else {
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sph_echo512_init(&ctx_echo);
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sph_echo512(&ctx_echo, (const void*)hash, 64);
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sph_echo512_close(&ctx_echo, (void*)hash);
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sph_echo512_init(&ctx_echo);
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sph_echo512(&ctx_echo, (const void*)hash, 64);
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sph_echo512_close(&ctx_echo, (void*)hash);
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}
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sph_skein512_init(&ctx_skein);
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sph_skein512(&ctx_skein, (const void*)hash, 64);
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sph_skein512_close(&ctx_skein, (void*)hash);
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for (int i=0; i<32; i++)
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hash[i] ^= hash[i+32];
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memcpy(output, hash, 32);
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}
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