40149c4e41
- Added commands for using budgets "mnbudget" and "mnfinalbudget" - Supports 100% decentralized budget control and view-only site with json meta data object
343 lines
13 KiB
C++
343 lines
13 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2014 The Bitcoin developers
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// Copyright (c) 2014-2015 The Dash developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_HASH_H
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#define BITCOIN_HASH_H
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#include "crypto/ripemd160.h"
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#include "crypto/sha256.h"
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#include "serialize.h"
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#include "uint256.h"
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#include "version.h"
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#include "crypto/sph_blake.h"
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#include "crypto/sph_bmw.h"
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#include "crypto/sph_groestl.h"
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#include "crypto/sph_jh.h"
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#include "crypto/sph_keccak.h"
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#include "crypto/sph_skein.h"
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#include "crypto/sph_luffa.h"
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#include "crypto/sph_cubehash.h"
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#include "crypto/sph_shavite.h"
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#include "crypto/sph_simd.h"
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#include "crypto/sph_echo.h"
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#include <vector>
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/** A hasher class for Bitcoin's 256-bit hash (double SHA-256). */
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class CHash256 {
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private:
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CSHA256 sha;
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public:
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static const size_t OUTPUT_SIZE = CSHA256::OUTPUT_SIZE;
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void Finalize(unsigned char hash[OUTPUT_SIZE]) {
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unsigned char buf[sha.OUTPUT_SIZE];
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sha.Finalize(buf);
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sha.Reset().Write(buf, sha.OUTPUT_SIZE).Finalize(hash);
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}
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CHash256& Write(const unsigned char *data, size_t len) {
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sha.Write(data, len);
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return *this;
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}
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CHash256& Reset() {
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sha.Reset();
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return *this;
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}
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};
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#ifdef GLOBALDEFINED
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#define GLOBAL
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#else
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#define GLOBAL extern
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#endif
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GLOBAL sph_blake512_context z_blake;
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GLOBAL sph_bmw512_context z_bmw;
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GLOBAL sph_groestl512_context z_groestl;
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GLOBAL sph_jh512_context z_jh;
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GLOBAL sph_keccak512_context z_keccak;
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GLOBAL sph_skein512_context z_skein;
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GLOBAL sph_luffa512_context z_luffa;
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GLOBAL sph_cubehash512_context z_cubehash;
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GLOBAL sph_shavite512_context z_shavite;
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GLOBAL sph_simd512_context z_simd;
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GLOBAL sph_echo512_context z_echo;
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#define fillz() do { \
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sph_blake512_init(&z_blake); \
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sph_bmw512_init(&z_bmw); \
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sph_groestl512_init(&z_groestl); \
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sph_jh512_init(&z_jh); \
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sph_keccak512_init(&z_keccak); \
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sph_skein512_init(&z_skein); \
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sph_luffa512_init(&z_luffa); \
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sph_cubehash512_init(&z_cubehash); \
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sph_shavite512_init(&z_shavite); \
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sph_simd512_init(&z_simd); \
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sph_echo512_init(&z_echo); \
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} while (0)
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#define ZBLAKE (memcpy(&ctx_blake, &z_blake, sizeof(z_blake)))
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#define ZBMW (memcpy(&ctx_bmw, &z_bmw, sizeof(z_bmw)))
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#define ZGROESTL (memcpy(&ctx_groestl, &z_groestl, sizeof(z_groestl)))
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#define ZJH (memcpy(&ctx_jh, &z_jh, sizeof(z_jh)))
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#define ZKECCAK (memcpy(&ctx_keccak, &z_keccak, sizeof(z_keccak)))
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#define ZSKEIN (memcpy(&ctx_skein, &z_skein, sizeof(z_skein)))
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/* ----------- Bitcoin Hash ------------------------------------------------- */
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/** A hasher class for Bitcoin's 160-bit hash (SHA-256 + RIPEMD-160). */
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class CHash160 {
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private:
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CSHA256 sha;
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public:
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static const size_t OUTPUT_SIZE = CRIPEMD160::OUTPUT_SIZE;
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void Finalize(unsigned char hash[OUTPUT_SIZE]) {
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unsigned char buf[sha.OUTPUT_SIZE];
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sha.Finalize(buf);
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CRIPEMD160().Write(buf, sha.OUTPUT_SIZE).Finalize(hash);
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}
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CHash160& Write(const unsigned char *data, size_t len) {
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sha.Write(data, len);
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return *this;
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}
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CHash160& Reset() {
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sha.Reset();
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return *this;
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}
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};
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/** Compute the 256-bit hash of an object. */
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template<typename T1>
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inline uint256 Hash(const T1 pbegin, const T1 pend)
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{
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static const unsigned char pblank[1] = {};
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uint256 result;
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CHash256().Write(pbegin == pend ? pblank : (const unsigned char*)&pbegin[0], (pend - pbegin) * sizeof(pbegin[0]))
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.Finalize((unsigned char*)&result);
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return result;
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}
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/** Compute the 256-bit hash of the concatenation of two objects. */
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template<typename T1, typename T2>
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inline uint256 Hash(const T1 p1begin, const T1 p1end,
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const T2 p2begin, const T2 p2end) {
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static const unsigned char pblank[1] = {};
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uint256 result;
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CHash256().Write(p1begin == p1end ? pblank : (const unsigned char*)&p1begin[0], (p1end - p1begin) * sizeof(p1begin[0]))
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.Write(p2begin == p2end ? pblank : (const unsigned char*)&p2begin[0], (p2end - p2begin) * sizeof(p2begin[0]))
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.Finalize((unsigned char*)&result);
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return result;
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}
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/** Compute the 256-bit hash of the concatenation of three objects. */
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template<typename T1, typename T2, typename T3>
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inline uint256 Hash(const T1 p1begin, const T1 p1end,
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const T2 p2begin, const T2 p2end,
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const T3 p3begin, const T3 p3end) {
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static const unsigned char pblank[1] = {};
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uint256 result;
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CHash256().Write(p1begin == p1end ? pblank : (const unsigned char*)&p1begin[0], (p1end - p1begin) * sizeof(p1begin[0]))
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.Write(p2begin == p2end ? pblank : (const unsigned char*)&p2begin[0], (p2end - p2begin) * sizeof(p2begin[0]))
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.Write(p3begin == p3end ? pblank : (const unsigned char*)&p3begin[0], (p3end - p3begin) * sizeof(p3begin[0]))
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.Finalize((unsigned char*)&result);
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return result;
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}
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/** Compute the 256-bit hash of the concatenation of three objects. */
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template<typename T1, typename T2, typename T3, typename T4>
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inline uint256 Hash(const T1 p1begin, const T1 p1end,
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const T2 p2begin, const T2 p2end,
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const T3 p3begin, const T3 p3end,
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const T4 p4begin, const T4 p4end) {
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static const unsigned char pblank[1] = {};
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uint256 result;
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CHash256().Write(p1begin == p1end ? pblank : (const unsigned char*)&p1begin[0], (p1end - p1begin) * sizeof(p1begin[0]))
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.Write(p2begin == p2end ? pblank : (const unsigned char*)&p2begin[0], (p2end - p2begin) * sizeof(p2begin[0]))
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.Write(p3begin == p3end ? pblank : (const unsigned char*)&p3begin[0], (p3end - p3begin) * sizeof(p3begin[0]))
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.Write(p4begin == p4end ? pblank : (const unsigned char*)&p4begin[0], (p4end - p4begin) * sizeof(p4begin[0]))
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.Finalize((unsigned char*)&result);
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return result;
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}
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/** Compute the 256-bit hash of the concatenation of three objects. */
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template<typename T1, typename T2, typename T3, typename T4, typename T5>
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inline uint256 Hash(const T1 p1begin, const T1 p1end,
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const T2 p2begin, const T2 p2end,
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const T3 p3begin, const T3 p3end,
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const T4 p4begin, const T4 p4end,
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const T5 p5begin, const T5 p5end) {
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static const unsigned char pblank[1] = {};
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uint256 result;
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CHash256().Write(p1begin == p1end ? pblank : (const unsigned char*)&p1begin[0], (p1end - p1begin) * sizeof(p1begin[0]))
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.Write(p2begin == p2end ? pblank : (const unsigned char*)&p2begin[0], (p2end - p2begin) * sizeof(p2begin[0]))
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.Write(p3begin == p3end ? pblank : (const unsigned char*)&p3begin[0], (p3end - p3begin) * sizeof(p3begin[0]))
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.Write(p4begin == p4end ? pblank : (const unsigned char*)&p4begin[0], (p4end - p4begin) * sizeof(p4begin[0]))
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.Write(p5begin == p5end ? pblank : (const unsigned char*)&p5begin[0], (p5end - p5begin) * sizeof(p5begin[0]))
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.Finalize((unsigned char*)&result);
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return result;
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}
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/** Compute the 256-bit hash of the concatenation of three objects. */
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template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6>
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inline uint256 Hash(const T1 p1begin, const T1 p1end,
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const T2 p2begin, const T2 p2end,
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const T3 p3begin, const T3 p3end,
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const T4 p4begin, const T4 p4end,
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const T5 p5begin, const T5 p5end,
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const T6 p6begin, const T6 p6end) {
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static const unsigned char pblank[1] = {};
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uint256 result;
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CHash256().Write(p1begin == p1end ? pblank : (const unsigned char*)&p1begin[0], (p1end - p1begin) * sizeof(p1begin[0]))
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.Write(p2begin == p2end ? pblank : (const unsigned char*)&p2begin[0], (p2end - p2begin) * sizeof(p2begin[0]))
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.Write(p3begin == p3end ? pblank : (const unsigned char*)&p3begin[0], (p3end - p3begin) * sizeof(p3begin[0]))
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.Write(p4begin == p4end ? pblank : (const unsigned char*)&p4begin[0], (p4end - p4begin) * sizeof(p4begin[0]))
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.Write(p5begin == p5end ? pblank : (const unsigned char*)&p5begin[0], (p5end - p5begin) * sizeof(p5begin[0]))
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.Write(p6begin == p6end ? pblank : (const unsigned char*)&p6begin[0], (p6end - p6begin) * sizeof(p6begin[0]))
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.Finalize((unsigned char*)&result);
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return result;
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}
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/** Compute the 160-bit hash an object. */
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template<typename T1>
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inline uint160 Hash160(const T1 pbegin, const T1 pend)
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{
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static unsigned char pblank[1] = {};
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uint160 result;
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CHash160().Write(pbegin == pend ? pblank : (const unsigned char*)&pbegin[0], (pend - pbegin) * sizeof(pbegin[0]))
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.Finalize((unsigned char*)&result);
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return result;
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}
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/** Compute the 160-bit hash of a vector. */
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inline uint160 Hash160(const std::vector<unsigned char>& vch)
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{
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return Hash160(vch.begin(), vch.end());
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}
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/** A writer stream (for serialization) that computes a 256-bit hash. */
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class CHashWriter
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{
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private:
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CHash256 ctx;
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public:
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int nType;
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int nVersion;
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CHashWriter(int nTypeIn, int nVersionIn) : nType(nTypeIn), nVersion(nVersionIn) {}
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CHashWriter& write(const char *pch, size_t size) {
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ctx.Write((const unsigned char*)pch, size);
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return (*this);
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}
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// invalidates the object
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uint256 GetHash() {
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uint256 result;
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ctx.Finalize((unsigned char*)&result);
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return result;
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}
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template<typename T>
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CHashWriter& operator<<(const T& obj) {
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// Serialize to this stream
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::Serialize(*this, obj, nType, nVersion);
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return (*this);
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}
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};
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/** Compute the 256-bit hash of an object's serialization. */
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template<typename T>
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uint256 SerializeHash(const T& obj, int nType=SER_GETHASH, int nVersion=PROTOCOL_VERSION)
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{
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CHashWriter ss(nType, nVersion);
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ss << obj;
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return ss.GetHash();
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}
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unsigned int MurmurHash3(unsigned int nHashSeed, const std::vector<unsigned char>& vDataToHash);
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void BIP32Hash(const unsigned char chainCode[32], unsigned int nChild, unsigned char header, const unsigned char data[32], unsigned char output[64]);
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//int HMAC_SHA512_Init(HMAC_SHA512_CTX *pctx, const void *pkey, size_t len);
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//int HMAC_SHA512_Update(HMAC_SHA512_CTX *pctx, const void *pdata, size_t len);
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//int HMAC_SHA512_Final(unsigned char *pmd, HMAC_SHA512_CTX *pctx);
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/* ----------- Dash Hash ------------------------------------------------ */
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template<typename T1>
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inline uint256 HashX11(const T1 pbegin, const T1 pend)
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{
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sph_blake512_context ctx_blake;
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sph_bmw512_context ctx_bmw;
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sph_groestl512_context ctx_groestl;
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sph_jh512_context ctx_jh;
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sph_keccak512_context ctx_keccak;
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sph_skein512_context ctx_skein;
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sph_luffa512_context ctx_luffa;
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sph_cubehash512_context ctx_cubehash;
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sph_shavite512_context ctx_shavite;
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sph_simd512_context ctx_simd;
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sph_echo512_context ctx_echo;
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static unsigned char pblank[1];
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uint512 hash[11];
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sph_blake512_init(&ctx_blake);
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sph_blake512 (&ctx_blake, (pbegin == pend ? pblank : static_cast<const void*>(&pbegin[0])), (pend - pbegin) * sizeof(pbegin[0]));
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sph_blake512_close(&ctx_blake, static_cast<void*>(&hash[0]));
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sph_bmw512_init(&ctx_bmw);
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sph_bmw512 (&ctx_bmw, static_cast<const void*>(&hash[0]), 64);
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sph_bmw512_close(&ctx_bmw, static_cast<void*>(&hash[1]));
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sph_groestl512_init(&ctx_groestl);
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sph_groestl512 (&ctx_groestl, static_cast<const void*>(&hash[1]), 64);
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sph_groestl512_close(&ctx_groestl, static_cast<void*>(&hash[2]));
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sph_skein512_init(&ctx_skein);
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sph_skein512 (&ctx_skein, static_cast<const void*>(&hash[2]), 64);
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sph_skein512_close(&ctx_skein, static_cast<void*>(&hash[3]));
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sph_jh512_init(&ctx_jh);
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sph_jh512 (&ctx_jh, static_cast<const void*>(&hash[3]), 64);
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sph_jh512_close(&ctx_jh, static_cast<void*>(&hash[4]));
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sph_keccak512_init(&ctx_keccak);
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sph_keccak512 (&ctx_keccak, static_cast<const void*>(&hash[4]), 64);
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sph_keccak512_close(&ctx_keccak, static_cast<void*>(&hash[5]));
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sph_luffa512_init(&ctx_luffa);
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sph_luffa512 (&ctx_luffa, static_cast<void*>(&hash[5]), 64);
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sph_luffa512_close(&ctx_luffa, static_cast<void*>(&hash[6]));
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sph_cubehash512_init(&ctx_cubehash);
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sph_cubehash512 (&ctx_cubehash, static_cast<const void*>(&hash[6]), 64);
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sph_cubehash512_close(&ctx_cubehash, static_cast<void*>(&hash[7]));
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sph_shavite512_init(&ctx_shavite);
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sph_shavite512(&ctx_shavite, static_cast<const void*>(&hash[7]), 64);
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sph_shavite512_close(&ctx_shavite, static_cast<void*>(&hash[8]));
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sph_simd512_init(&ctx_simd);
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sph_simd512 (&ctx_simd, static_cast<const void*>(&hash[8]), 64);
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sph_simd512_close(&ctx_simd, static_cast<void*>(&hash[9]));
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sph_echo512_init(&ctx_echo);
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sph_echo512 (&ctx_echo, static_cast<const void*>(&hash[9]), 64);
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sph_echo512_close(&ctx_echo, static_cast<void*>(&hash[10]));
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return hash[10].trim256();
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}
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#endif // BITCOIN_HASH_H
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