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Add deterministic RandomX block header hashing

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This commit is contained in:
Capri 2026-09-14 20:18:52 +00:00
commit 2431ea4588
Signed by: VextaProject
SSH key fingerprint: SHA256:739BZv8LvIDY2tR7lXLy/IQ6MaGTQtYcG9GNvCjmpVM
7 changed files with 84 additions and 8 deletions
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44
src/test/pow_tests.cpp
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@ -9,6 +9,7 @@
#include <chainparams.h>
#include <pow.h>
#include <primitives/block.h>
#include <util/strencodings.h>
#include <test/util/setup_common.h>
#include <boost/test/unit_test.hpp>
@ -558,4 +559,47 @@ BOOST_AUTO_TEST_CASE(RandomX_seed_height_test)
BOOST_CHECK_EQUAL(GetRandomXSeedHeight(128, consensus), 120);
}
BOOST_AUTO_TEST_CASE(RandomX_header_hash_vector_test)
{
CBlockHeader header;
header.nVersion = BLOCK_VERSION_DEFAULT | BLOCK_VERSION_RANDOMX;
header.hashPrevBlock = uint256S("000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f");
header.hashMerkleRoot = uint256S("f0e0d0c0b0a090807060504030201000ffeeddccbbaa99887766554433221100");
header.nTime = 0x12345678;
header.nBits = 0x1d00ffff;
header.nNonce = 0x89abcdef;
const uint256 seed =
uint256S("00112233445566778899aabbccddeeff102132435465768798a9bacbdcedfe0f");
CDataStream stream(SER_GETHASH, PROTOCOL_VERSION);
stream << header;
BOOST_REQUIRE_EQUAL(stream.size(), 80U);
const std::vector<unsigned char> headerBytes(stream.begin(), stream.end());
const std::vector<unsigned char> seedBytes(seed.begin(), seed.end());
BOOST_CHECK_EQUAL(
HexStr(headerBytes),
"020400001f1e1d1c1b1a191817161514131211100f0e0d0c0b0a0908070605040302010000112233445566778899aabbccddeeff00102030405060708090a0b0c0d0e0f078563412ffff001defcdab89");
BOOST_CHECK_EQUAL(
HexStr(seedBytes),
"0ffeeddccbbaa9988776655443322110ffeeddccbbaa99887766554433221100");
const uint256 randomXHash = header.GetRandomXPoWHash(seed);
BOOST_CHECK_EQUAL(
randomXHash.ToString(),
"a694ce64be1245187466b2027afceb32c99b57bd21164dec2913b390f68c653c");
const std::vector<unsigned char> hashBytes(randomXHash.begin(), randomXHash.end());
BOOST_CHECK_EQUAL(
HexStr(hashBytes),
"3c658cf690b31329ec4d1621bd579bc932ebfc7a02b26674184512be64ce94a6");
}
BOOST_AUTO_TEST_SUITE_END()