be16f80abc
Any projects which want to use Hush code from now on will need to be licensed as GPLv3 or we will send the lawyers: https://www.softwarefreedom.org/ Notably, Komodo (KMD) is licensed as GPLv2 and is no longer compatible to receive code changes, without causing legal issues. MIT projects, such as Zcash, also cannot pull in changes from the Hush Full Node without permission from The Hush Developers, which may in some circumstances grant an MIT license on a case-by-case basis.
203 lines
15 KiB
C++
203 lines
15 KiB
C++
// Copyright (c) 2016 Jack Grigg
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// Copyright (c) 2016 The Zcash developers
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// Distributed under the GPLv3 software license, see the accompanying
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// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
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#if defined(HAVE_CONFIG_H)
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#include "config/bitcoin-config.h"
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#endif
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#include "arith_uint256.h"
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#include "crypto/sha256.h"
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#include "crypto/equihash.h"
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#include "test/test_bitcoin.h"
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#include "uint256.h"
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#include "sodium.h"
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#include <sstream>
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#include <set>
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#include <vector>
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#include <boost/test/unit_test.hpp>
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BOOST_FIXTURE_TEST_SUITE(equihash_tests, BasicTestingSetup)
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void PrintSolution(std::stringstream &strm, std::vector<uint32_t> soln) {
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strm << " {";
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const char* separator = "";
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for (uint32_t index : soln) {
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strm << separator << index;
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separator = ", ";
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}
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strm << "}";
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}
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void PrintSolutions(std::stringstream &strm, std::set<std::vector<uint32_t>> solns) {
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strm << "{";
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const char* soln_separator = "";
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for (std::vector<uint32_t> soln : solns) {
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strm << soln_separator << "\n";
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soln_separator = ",";
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PrintSolution(strm, soln);
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}
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strm << "\n}";
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}
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#ifdef ENABLE_MINING
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void TestEquihashSolvers(unsigned int n, unsigned int k, const std::string &I, const arith_uint256 &nonce, const std::set<std::vector<uint32_t>> &solns) {
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size_t cBitLen { n/(k+1) };
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crypto_generichash_blake2b_state state;
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EhInitialiseState(n, k, state);
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uint256 V = ArithToUint256(nonce);
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BOOST_TEST_MESSAGE("Running solver: n = " << n << ", k = " << k << ", I = " << I << ", V = " << V.GetHex());
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crypto_generichash_blake2b_update(&state, (unsigned char*)&I[0], I.size());
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crypto_generichash_blake2b_update(&state, V.begin(), V.size());
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// First test the basic solver
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std::set<std::vector<uint32_t>> ret;
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std::function<bool(std::vector<unsigned char>)> validBlock =
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[&ret, cBitLen](std::vector<unsigned char> soln) {
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ret.insert(GetIndicesFromMinimal(soln, cBitLen));
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return false;
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};
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EhBasicSolveUncancellable(n, k, state, validBlock);
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BOOST_TEST_MESSAGE("[Basic] Number of solutions: " << ret.size());
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std::stringstream strm;
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PrintSolutions(strm, ret);
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BOOST_TEST_MESSAGE(strm.str());
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BOOST_CHECK(ret == solns);
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// The optimised solver should have the exact same result
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std::set<std::vector<uint32_t>> retOpt;
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std::function<bool(std::vector<unsigned char>)> validBlockOpt =
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[&retOpt, cBitLen](std::vector<unsigned char> soln) {
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retOpt.insert(GetIndicesFromMinimal(soln, cBitLen));
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return false;
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};
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EhOptimisedSolveUncancellable(n, k, state, validBlockOpt);
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BOOST_TEST_MESSAGE("[Optimised] Number of solutions: " << retOpt.size());
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strm.str("");
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PrintSolutions(strm, retOpt);
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BOOST_TEST_MESSAGE(strm.str());
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BOOST_CHECK(retOpt == solns);
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BOOST_CHECK(retOpt == ret);
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}
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#endif
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void TestEquihashValidator(unsigned int n, unsigned int k, const std::string &I, const arith_uint256 &nonce, std::vector<uint32_t> soln, bool expected) {
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size_t cBitLen { n/(k+1) };
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crypto_generichash_blake2b_state state;
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EhInitialiseState(n, k, state);
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uint256 V = ArithToUint256(nonce);
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crypto_generichash_blake2b_update(&state, (unsigned char*)&I[0], I.size());
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crypto_generichash_blake2b_update(&state, V.begin(), V.size());
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BOOST_TEST_MESSAGE("Running validator: n = " << n << ", k = " << k << ", I = " << I << ", V = " << V.GetHex() << ", expected = " << expected << ", soln =");
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std::stringstream strm;
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PrintSolution(strm, soln);
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BOOST_TEST_MESSAGE(strm.str());
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bool isValid;
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EhIsValidSolution(n, k, state, GetMinimalFromIndices(soln, cBitLen), isValid);
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BOOST_CHECK(isValid == expected);
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}
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#ifdef ENABLE_MINING
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BOOST_AUTO_TEST_CASE(solver_testvectors) {
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TestEquihashSolvers(96, 5, "block header", 0, {
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{976, 126621, 100174, 123328, 38477, 105390, 38834, 90500, 6411, 116489, 51107, 129167, 25557, 92292, 38525, 56514, 1110, 98024, 15426, 74455, 3185, 84007, 24328, 36473, 17427, 129451, 27556, 119967, 31704, 62448, 110460, 117894},
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{1008, 18280, 34711, 57439, 3903, 104059, 81195, 95931, 58336, 118687, 67931, 123026, 64235, 95595, 84355, 122946, 8131, 88988, 45130, 58986, 59899, 78278, 94769, 118158, 25569, 106598, 44224, 96285, 54009, 67246, 85039, 127667},
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{1278, 107636, 80519, 127719, 19716, 130440, 83752, 121810, 15337, 106305, 96940, 117036, 46903, 101115, 82294, 118709, 4915, 70826, 40826, 79883, 37902, 95324, 101092, 112254, 15536, 68760, 68493, 125640, 67620, 108562, 68035, 93430},
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{3976, 108868, 80426, 109742, 33354, 55962, 68338, 80112, 26648, 28006, 64679, 130709, 41182, 126811, 56563, 129040, 4013, 80357, 38063, 91241, 30768, 72264, 97338, 124455, 5607, 36901, 67672, 87377, 17841, 66985, 77087, 85291},
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{5970, 21862, 34861, 102517, 11849, 104563, 91620, 110653, 7619, 52100, 21162, 112513, 74964, 79553, 105558, 127256, 21905, 112672, 81803, 92086, 43695, 97911, 66587, 104119, 29017, 61613, 97690, 106345, 47428, 98460, 53655, 109002}
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});
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TestEquihashSolvers(96, 5, "block header", 1, {
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{1911, 96020, 94086, 96830, 7895, 51522, 56142, 62444, 15441, 100732, 48983, 64776, 27781, 85932, 101138, 114362, 4497, 14199, 36249, 41817, 23995, 93888, 35798, 96337, 5530, 82377, 66438, 85247, 39332, 78978, 83015, 123505}
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});
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TestEquihashSolvers(96, 5, "block header", 2, {
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{165, 27290, 87424, 123403, 5344, 35125, 49154, 108221, 8882, 90328, 77359, 92348, 54692, 81690, 115200, 121929, 18968, 122421, 32882, 128517, 56629, 88083, 88022, 102461, 35665, 62833, 95988, 114502, 39965, 119818, 45010, 94889}
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});
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TestEquihashSolvers(96, 5, "block header", 10, {
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{1855, 37525, 81472, 112062, 11831, 38873, 45382, 82417, 11571, 47965, 71385, 119369, 13049, 64810, 26995, 34659, 6423, 67533, 88972, 105540, 30672, 80244, 39493, 94598, 17858, 78496, 35376, 118645, 50186, 51838, 70421, 103703},
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{3671, 125813, 31502, 78587, 25500, 83138, 74685, 98796, 8873, 119842, 21142, 55332, 25571, 122204, 31433, 80719, 3955, 49477, 4225, 129562, 11837, 21530, 75841, 120644, 4653, 101217, 19230, 113175, 16322, 24384, 21271, 96965}
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});
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TestEquihashSolvers(96, 5, "block header", 11, {
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{2570, 20946, 61727, 130667, 16426, 62291, 107177, 112384, 18464, 125099, 120313, 127545, 35035, 73082, 118591, 120800, 13800, 32837, 23607, 86516, 17339, 114578, 22053, 85510, 14913, 42826, 25168, 121262, 33673, 114773, 77592, 83471}
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});
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TestEquihashSolvers(96, 5, "Equihash is an asymmetric PoW based on the Generalised Birthday problem.", 0, {
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{3130, 83179, 30454, 107686, 71240, 88412, 109700, 114639, 10024, 32706, 38019, 113013, 18399, 92942, 21094, 112263, 4146, 30807, 10631, 73192, 22216, 90216, 45581, 125042, 11256, 119455, 93603, 110112, 59851, 91545, 97403, 111102},
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{3822, 35317, 47508, 119823, 37652, 117039, 69087, 72058, 13147, 111794, 65435, 124256, 22247, 66272, 30298, 108956, 13157, 109175, 37574, 50978, 31258, 91519, 52568, 107874, 14999, 103687, 27027, 109468, 36918, 109660, 42196, 100424}
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});
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TestEquihashSolvers(96, 5, "Equihash is an asymmetric PoW based on the Generalised Birthday problem.", 1, {
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{2261, 15185, 36112, 104243, 23779, 118390, 118332, 130041, 32642, 69878, 76925, 80080, 45858, 116805, 92842, 111026, 15972, 115059, 85191, 90330, 68190, 122819, 81830, 91132, 23460, 49807, 52426, 80391, 69567, 114474, 104973, 122568},
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{16700, 46276, 21232, 43153, 22398, 58511, 47922, 71816, 23370, 26222, 39248, 40137, 65375, 85794, 69749, 73259, 23599, 72821, 42250, 52383, 35267, 75893, 52152, 57181, 27137, 101117, 45804, 92838, 29548, 29574, 37737, 113624}
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});
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TestEquihashSolvers(96, 5, "Equihash is an asymmetric PoW based on the Generalised Birthday problem.", 2, {
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{6005, 59843, 55560, 70361, 39140, 77856, 44238, 57702, 32125, 121969, 108032, 116542, 37925, 75404, 48671, 111682, 6937, 93582, 53272, 77545, 13715, 40867, 73187, 77853, 7348, 70313, 24935, 24978, 25967, 41062, 58694, 110036}
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});
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TestEquihashSolvers(96, 5, "Equihash is an asymmetric PoW based on the Generalised Birthday problem.", 10, {
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{968, 90691, 70664, 112581, 17233, 79239, 66772, 92199, 27801, 44198, 58712, 122292, 28227, 126747, 70925, 118108, 2876, 76082, 39335, 113764, 26643, 60579, 50853, 70300, 19640, 31848, 28672, 87870, 33574, 50308, 40291, 61593},
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{1181, 61261, 75793, 96302, 36209, 113590, 79236, 108781, 8275, 106510, 11877, 74550, 45593, 80595, 71247, 95783, 2991, 99117, 56413, 71287, 10235, 68286, 22016, 104685, 51588, 53344, 56822, 63386, 63527, 75772, 93100, 108542},
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{2229, 30387, 14573, 115700, 20018, 124283, 84929, 91944, 26341, 64220, 69433, 82466, 29778, 101161, 59334, 79798, 2533, 104985, 50731, 111094, 10619, 80909, 15555, 119911, 29028, 42966, 51958, 86784, 34561, 97709, 77126, 127250},
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{15465, 59017, 93851, 112478, 24940, 128791, 26154, 107289, 24050, 78626, 51948, 111573, 35117, 113754, 36317, 67606, 21508, 91486, 28293, 126983, 23989, 39722, 60567, 97243, 26720, 56243, 60444, 107530, 40329, 56467, 91943, 93737}
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});
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TestEquihashSolvers(96, 5, "Equihash is an asymmetric PoW based on the Generalised Birthday problem.", 11, {
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{1120, 77433, 58243, 76860, 11411, 96068, 13150, 35878, 15049, 88928, 20101, 104706, 29215, 73328, 39498, 83529, 9233, 124174, 66731, 97423, 10823, 92444, 25647, 127742, 12207, 46292, 22018, 120758, 14411, 46485, 21828, 57591}
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});
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TestEquihashSolvers(96, 5, "Test case with 3+-way collision in the final round.", 0x07f0, {
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{1162, 129543, 57488, 82745, 18311, 115612, 20603, 112899, 5635, 103373, 101651, 125986, 52160, 70847, 65152, 101720, 5810, 43165, 64589, 105333, 11347, 63836, 55495, 96392, 40767, 81019, 53976, 94184, 41650, 114374, 45109, 57038},
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{2321, 121781, 36792, 51959, 21685, 67596, 27992, 59307, 13462, 118550, 37537, 55849, 48994, 58515, 78703, 100100, 11189, 98120, 45242, 116128, 33260, 47351, 61550, 116649, 11927, 20590, 35907, 107966, 28779, 57407, 54793, 104108},
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{2321, 121781, 36792, 51959, 21685, 67596, 27992, 59307, 13462, 118550, 37537, 55849, 48994, 78703, 58515, 100100, 11189, 98120, 45242, 116128, 33260, 47351, 61550, 116649, 11927, 20590, 35907, 107966, 28779, 57407, 54793, 104108},
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{2321, 121781, 36792, 51959, 21685, 67596, 27992, 59307, 13462, 118550, 37537, 55849, 48994, 100100, 58515, 78703, 11189, 98120, 45242, 116128, 33260, 47351, 61550, 116649, 11927, 20590, 35907, 107966, 28779, 57407, 54793, 104108},
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{4488, 83544, 24912, 62564, 43206, 62790, 68462, 125162, 6805, 8886, 46937, 54588, 15509, 126232, 19426, 27845, 5959, 56839, 38806, 102580, 11255, 63258, 23442, 39750, 13022, 22271, 24110, 52077, 17422, 124996, 35725, 101509},
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{8144, 33053, 33933, 77498, 21356, 110495, 42805, 116575, 27360, 48574, 100682, 102629, 50754, 64608, 96899, 120978, 11924, 74422, 49240, 106822, 12787, 68290, 44314, 50005, 38056, 49716, 83299, 95307, 41798, 82309, 94504, 96161}
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});
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}
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#endif
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BOOST_AUTO_TEST_CASE(validator_testvectors) {
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// Original valid solution
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TestEquihashValidator(96, 5, "Equihash is an asymmetric PoW based on the Generalised Birthday problem.", 1,
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{2261, 15185, 36112, 104243, 23779, 118390, 118332, 130041, 32642, 69878, 76925, 80080, 45858, 116805, 92842, 111026, 15972, 115059, 85191, 90330, 68190, 122819, 81830, 91132, 23460, 49807, 52426, 80391, 69567, 114474, 104973, 122568},
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true);
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// Change one index
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TestEquihashValidator(96, 5, "Equihash is an asymmetric PoW based on the Generalised Birthday problem.", 1,
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{2262, 15185, 36112, 104243, 23779, 118390, 118332, 130041, 32642, 69878, 76925, 80080, 45858, 116805, 92842, 111026, 15972, 115059, 85191, 90330, 68190, 122819, 81830, 91132, 23460, 49807, 52426, 80391, 69567, 114474, 104973, 122568},
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false);
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// Swap two arbitrary indices
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TestEquihashValidator(96, 5, "Equihash is an asymmetric PoW based on the Generalised Birthday problem.", 1,
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{45858, 15185, 36112, 104243, 23779, 118390, 118332, 130041, 32642, 69878, 76925, 80080, 2261, 116805, 92842, 111026, 15972, 115059, 85191, 90330, 68190, 122819, 81830, 91132, 23460, 49807, 52426, 80391, 69567, 114474, 104973, 122568},
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false);
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// Reverse the first pair of indices
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TestEquihashValidator(96, 5, "Equihash is an asymmetric PoW based on the Generalised Birthday problem.", 1,
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{15185, 2261, 36112, 104243, 23779, 118390, 118332, 130041, 32642, 69878, 76925, 80080, 45858, 116805, 92842, 111026, 15972, 115059, 85191, 90330, 68190, 122819, 81830, 91132, 23460, 49807, 52426, 80391, 69567, 114474, 104973, 122568},
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false);
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// Swap the first and second pairs of indices
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TestEquihashValidator(96, 5, "Equihash is an asymmetric PoW based on the Generalised Birthday problem.", 1,
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{36112, 104243, 2261, 15185, 23779, 118390, 118332, 130041, 32642, 69878, 76925, 80080, 45858, 116805, 92842, 111026, 15972, 115059, 85191, 90330, 68190, 122819, 81830, 91132, 23460, 49807, 52426, 80391, 69567, 114474, 104973, 122568},
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false);
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// Swap the second-to-last and last pairs of indices
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TestEquihashValidator(96, 5, "Equihash is an asymmetric PoW based on the Generalised Birthday problem.", 1,
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{2261, 15185, 36112, 104243, 23779, 118390, 118332, 130041, 32642, 69878, 76925, 80080, 45858, 116805, 92842, 111026, 15972, 115059, 85191, 90330, 68190, 122819, 81830, 91132, 23460, 49807, 52426, 80391, 104973, 122568, 69567, 114474},
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false);
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// Swap the first half and second half
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TestEquihashValidator(96, 5, "Equihash is an asymmetric PoW based on the Generalised Birthday problem.", 1,
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{15972, 115059, 85191, 90330, 68190, 122819, 81830, 91132, 23460, 49807, 52426, 80391, 69567, 114474, 104973, 122568, 2261, 15185, 36112, 104243, 23779, 118390, 118332, 130041, 32642, 69878, 76925, 80080, 45858, 116805, 92842, 111026},
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false);
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// Sort the indices
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TestEquihashValidator(96, 5, "Equihash is an asymmetric PoW based on the Generalised Birthday problem.", 1,
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{2261, 15185, 15972, 23460, 23779, 32642, 36112, 45858, 49807, 52426, 68190, 69567, 69878, 76925, 80080, 80391, 81830, 85191, 90330, 91132, 92842, 104243, 104973, 111026, 114474, 115059, 116805, 118332, 118390, 122568, 122819, 130041},
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false);
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// Duplicate indices
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TestEquihashValidator(96, 5, "Equihash is an asymmetric PoW based on the Generalised Birthday problem.", 1,
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{2261, 2261, 15185, 15185, 36112, 36112, 104243, 104243, 23779, 23779, 118390, 118390, 118332, 118332, 130041, 130041, 32642, 32642, 69878, 69878, 76925, 76925, 80080, 80080, 45858, 45858, 116805, 116805, 92842, 92842, 111026, 111026},
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false);
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// Duplicate first half
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TestEquihashValidator(96, 5, "Equihash is an asymmetric PoW based on the Generalised Birthday problem.", 1,
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{2261, 15185, 36112, 104243, 23779, 118390, 118332, 130041, 32642, 69878, 76925, 80080, 45858, 116805, 92842, 111026, 2261, 15185, 36112, 104243, 23779, 118390, 118332, 130041, 32642, 69878, 76925, 80080, 45858, 116805, 92842, 111026},
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false);
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}
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BOOST_AUTO_TEST_SUITE_END()
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