Electroneum
check_hash.h
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28 
29 #pragma once
30 
31 #include "string_tools.h"
33 
34 template<uint64_t hash_target_high, uint64_t hash_target_low, uint64_t difficulty_high, uint64_t difficulty_low>
36 {
37 public:
38  static const size_t loop_count = 100000;
39 
40  bool init()
41  {
42  cryptonote::difficulty_type hash_target = hash_target_high;
43  hash_target = (hash_target << 64) | hash_target_low;
44  difficulty = difficulty_high;
45  difficulty = (difficulty << 64) | difficulty_low;
46  boost::multiprecision::uint256_t hash_value = std::numeric_limits<boost::multiprecision::uint256_t>::max() / hash_target;
47  ((uint64_t*)&hash)[0] = (hash_value & 0xffffffffffffffff).convert_to<uint64_t>();
48  hash_value >>= 64;
49  ((uint64_t*)&hash)[1] = (hash_value & 0xffffffffffffffff).convert_to<uint64_t>();
50  hash_value >>= 64;
51  ((uint64_t*)&hash)[2] = (hash_value & 0xffffffffffffffff).convert_to<uint64_t>();
52  hash_value >>= 64;
53  ((uint64_t*)&hash)[3] = (hash_value & 0xffffffffffffffff).convert_to<uint64_t>();
54  return true;
55  }
56 
57  bool test()
58  {
59  cryptonote::check_hash_128(hash, difficulty);
60  return true;
61  }
62 
63 private:
64  crypto::hash hash;
65  cryptonote::difficulty_type difficulty;
66 };
static const size_t loop_count
Definition: check_hash.h:38
unsigned __int64 uint64_t
Definition: stdint.h:136
boost::multiprecision::uint128_t difficulty_type
Definition: difficulty.h:43
POD_CLASS hash
Definition: hash.h:50
bool check_hash_128(const crypto::hash &hash, difficulty_type difficulty)
Definition: difficulty.cpp:184