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difficulty: fix check_hash on big endian

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moneromooo-monero 2019-05-13 13:14:30 +00:00
parent 1b93cb74bb
commit d046ca1db0
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3 changed files with 20 additions and 9 deletions
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14
tests/performance_tests/check_hash.h
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@ -29,6 +29,7 @@
#pragma once
#include "string_tools.h"
#include "int-util.h"
#include "cryptonote_basic/difficulty.h"
template<uint64_t hash_target_high, uint64_t hash_target_low, uint64_t difficulty_high, uint64_t difficulty_low>
@ -44,13 +45,18 @@ public:
difficulty = difficulty_high;
difficulty = (difficulty << 64) | difficulty_low;
boost::multiprecision::uint256_t hash_value = std::numeric_limits<boost::multiprecision::uint256_t>::max() / hash_target;
((uint64_t*)&hash)[0] = (hash_value & 0xffffffffffffffff).convert_to<uint64_t>();
uint64_t val;
val = (hash_value & 0xffffffffffffffff).convert_to<uint64_t>();
((uint64_t*)&hash)[0] = SWAP64LE(val);
hash_value >>= 64;
((uint64_t*)&hash)[1] = (hash_value & 0xffffffffffffffff).convert_to<uint64_t>();
val = (hash_value & 0xffffffffffffffff).convert_to<uint64_t>();
((uint64_t*)&hash)[1] = SWAP64LE(val);
hash_value >>= 64;
((uint64_t*)&hash)[2] = (hash_value & 0xffffffffffffffff).convert_to<uint64_t>();
val = (hash_value & 0xffffffffffffffff).convert_to<uint64_t>();
((uint64_t*)&hash)[2] = SWAP64LE(val);
hash_value >>= 64;
((uint64_t*)&hash)[3] = (hash_value & 0xffffffffffffffff).convert_to<uint64_t>();
val = (hash_value & 0xffffffffffffffff).convert_to<uint64_t>();
((uint64_t*)&hash)[3] = SWAP64LE(val);
return true;
}