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Hashing cleanup

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This commit is contained in:
Piotr Wójcik 2024-10-25 12:41:45 +02:00
commit 2b2fd12106
4 changed files with 233 additions and 98 deletions
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94
nano/core_test/numbers.cpp
View file

@ -3,7 +3,10 @@
#include <gtest/gtest.h>
#include <boost/container_hash/hash.hpp>
#include <thread>
#include <unordered_set>
namespace
{
@ -577,3 +580,94 @@ void check_operator_greater_than (Num lhs, Num rhs)
ASSERT_FALSE (rhs > rhs);
}
}
namespace
{
template <typename Type, template <typename> class Hash>
void test_hashing ()
{
Hash<Type> hash;
using underlying_t = typename Type::underlying_type;
// Basic equality tests
ASSERT_EQ (hash (Type{}), hash (Type{}));
ASSERT_EQ (hash (Type{ 123 }), hash (Type{ 123 }));
// Basic inequality tests
ASSERT_NE (hash (Type{ 123 }), hash (Type{ 124 }));
ASSERT_NE (hash (Type{ 0 }), hash (Type{ 1 }));
// Boundary value tests
constexpr auto min_val = std::numeric_limits<underlying_t>::min ();
constexpr auto max_val = std::numeric_limits<underlying_t>::max ();
// Min/Max tests
ASSERT_EQ (hash (Type{ min_val }), hash (Type{ min_val }));
ASSERT_EQ (hash (Type{ max_val }), hash (Type{ max_val }));
ASSERT_NE (hash (Type{ min_val }), hash (Type{ max_val }));
// Near boundary tests
ASSERT_NE (hash (Type{ min_val }), hash (Type{ min_val + 1 }));
ASSERT_NE (hash (Type{ max_val }), hash (Type{ max_val - 1 }));
ASSERT_NE (hash (Type{ min_val + 1 }), hash (Type{ max_val }));
ASSERT_NE (hash (Type{ max_val - 1 }), hash (Type{ min_val }));
// Common value tests
std::vector<underlying_t> common_values = {
0, // Zero
1, // One
42, // Common test value
0xFF, // Byte boundary
0xFFFF, // Word boundary
min_val, // Minimum
max_val, // Maximum
max_val / 2, // Middle value
min_val + (max_val / 2) // Offset middle
};
// Test all common values against each other
for (size_t i = 0; i < common_values.size (); ++i)
{
for (size_t j = i + 1; j < common_values.size (); ++j)
{
if (common_values[i] != common_values[j])
{
ASSERT_NE (hash (Type{ common_values[i] }), hash (Type{ common_values[j] }));
}
else
{
ASSERT_EQ (hash (Type{ common_values[i] }), hash (Type{ common_values[j] }));
}
}
}
}
}
TEST (numbers, hashing)
{
// Using std::hash
test_hashing<nano::uint128_union, std::hash> ();
test_hashing<nano::uint256_union, std::hash> ();
test_hashing<nano::uint512_union, std::hash> ();
test_hashing<nano::block_hash, std::hash> ();
test_hashing<nano::public_key, std::hash> ();
test_hashing<nano::hash_or_account, std::hash> ();
test_hashing<nano::link, std::hash> ();
test_hashing<nano::root, std::hash> ();
test_hashing<nano::raw_key, std::hash> ();
test_hashing<nano::wallet_id, std::hash> ();
test_hashing<nano::qualified_root, std::hash> ();
// Using boost::hash
test_hashing<nano::uint128_union, boost::hash> ();
test_hashing<nano::uint256_union, boost::hash> ();
test_hashing<nano::uint512_union, boost::hash> ();
test_hashing<nano::block_hash, boost::hash> ();
test_hashing<nano::public_key, boost::hash> ();
test_hashing<nano::hash_or_account, boost::hash> ();
test_hashing<nano::link, boost::hash> ();
test_hashing<nano::root, boost::hash> ();
test_hashing<nano::raw_key, boost::hash> ();
test_hashing<nano::wallet_id, boost::hash> ();
test_hashing<nano::qualified_root, boost::hash> ();
}

178
nano/lib/numbers.hpp
View file

@ -5,6 +5,7 @@
#include <array>
#include <compare>
#include <limits>
#include <ostream>
#include <fmt/ostream.h>
@ -22,6 +23,10 @@ nano::uint128_t const raw_ratio = nano::uint128_t ("1"); // 10^0
class uint128_union
{
public:
// Type that is implicitly convertible to this union
using underlying_type = nano::uint128_t;
public:
uint128_union () = default;
uint128_union (uint64_t value) :
@ -115,11 +120,15 @@ class raw_key;
class uint256_union
{
public:
// Type that is implicitly convertible to this union
using underlying_type = nano::uint256_t;
public:
uint256_union () = default;
uint256_union (uint64_t value) :
uint256_union (nano::uint256_t{ value }){};
uint256_union (uint256_t const & value)
uint256_union (nano::uint256_t const & value)
{
bytes.fill (0);
boost::multiprecision::export_bits (value, bytes.rbegin (), 8, false);
@ -256,6 +265,10 @@ using account = public_key;
class hash_or_account
{
public:
// Type that is implicitly convertible to this union
using underlying_type = nano::uint256_t;
public:
hash_or_account () :
account{} {};
@ -369,6 +382,10 @@ public:
class uint512_union
{
public:
// Type that is implicitly convertible to this union
using underlying_type = nano::uint512_t;
public:
uint512_union () = default;
uint512_union (nano::uint512_t const & value)
@ -499,83 +516,91 @@ namespace difficulty
namespace std
{
template <>
struct hash<::nano::uint256_union>
struct hash<::nano::uint128_union>
{
size_t operator() (::nano::uint256_union const & data_a) const
size_t operator() (::nano::uint128_union const & value) const noexcept
{
return data_a.qwords[0] + data_a.qwords[1] + data_a.qwords[2] + data_a.qwords[3];
return value.qwords[0] + value.qwords[1];
}
};
template <>
struct hash<::nano::account>
struct hash<::nano::uint256_union>
{
size_t operator() (::nano::account const & data_a) const
size_t operator() (::nano::uint256_union const & value) const noexcept
{
return hash<::nano::uint256_union> () (data_a);
return value.qwords[0] + value.qwords[1] + value.qwords[2] + value.qwords[3];
}
};
template <>
struct hash<::nano::public_key>
{
size_t operator() (::nano::public_key const & value) const noexcept
{
return hash<::nano::uint256_union>{}(value);
}
};
template <>
struct hash<::nano::block_hash>
{
size_t operator() (::nano::block_hash const & data_a) const
size_t operator() (::nano::block_hash const & value) const noexcept
{
return hash<::nano::uint256_union> () (data_a);
return hash<::nano::uint256_union>{}(value);
}
};
template <>
struct hash<::nano::hash_or_account>
{
size_t operator() (::nano::hash_or_account const & data_a) const
size_t operator() (::nano::hash_or_account const & value) const noexcept
{
return hash<::nano::block_hash> () (data_a.as_block_hash ());
}
};
template <>
struct hash<::nano::raw_key>
{
size_t operator() (::nano::raw_key const & data_a) const
{
return hash<::nano::uint256_union> () (data_a);
return hash<::nano::block_hash>{}(value.as_block_hash ());
}
};
template <>
struct hash<::nano::root>
{
size_t operator() (::nano::root const & data_a) const
size_t operator() (::nano::root const & value) const noexcept
{
return hash<::nano::uint256_union> () (data_a);
return hash<::nano::hash_or_account>{}(value);
}
};
template <>
struct hash<::nano::link>
{
size_t operator() (::nano::link const & value) const noexcept
{
return hash<::nano::hash_or_account>{}(value);
}
};
template <>
struct hash<::nano::raw_key>
{
size_t operator() (::nano::raw_key const & value) const noexcept
{
return hash<::nano::uint256_union>{}(value);
}
};
template <>
struct hash<::nano::wallet_id>
{
size_t operator() (::nano::wallet_id const & data_a) const
size_t operator() (::nano::wallet_id const & value) const noexcept
{
return hash<::nano::uint256_union> () (data_a);
}
};
template <>
struct hash<::nano::uint256_t>
{
size_t operator() (::nano::uint256_t const & number_a) const
{
return number_a.convert_to<size_t> ();
return hash<::nano::uint256_union>{}(value);
}
};
template <>
struct hash<::nano::uint512_union>
{
size_t operator() (::nano::uint512_union const & data_a) const
size_t operator() (::nano::uint512_union const & value) const noexcept
{
return hash<::nano::uint256_union> () (data_a.uint256s[0]) + hash<::nano::uint256_union> () (data_a.uint256s[1]);
return hash<::nano::uint256_union>{}(value.uint256s[0]) + hash<::nano::uint256_union> () (value.uint256s[1]);
}
};
template <>
struct hash<::nano::qualified_root>
{
size_t operator() (::nano::qualified_root const & data_a) const
size_t operator() (::nano::qualified_root const & value) const noexcept
{
return hash<::nano::uint512_union> () (data_a);
return hash<::nano::uint512_union>{}(value);
}
};
}
@ -583,20 +608,91 @@ struct hash<::nano::qualified_root>
namespace boost
{
template <>
struct hash<std::reference_wrapper<::nano::block_hash const>>
struct hash<::nano::uint128_union>
{
size_t operator() (std::reference_wrapper<::nano::block_hash const> const & hash_a) const
size_t operator() (::nano::uint128_union const & value) const noexcept
{
std::hash<::nano::block_hash> hash;
return hash (hash_a);
return std::hash<::nano::uint128_union> () (value);
}
};
template <>
struct hash<::nano::uint256_union>
{
size_t operator() (::nano::uint256_union const & value) const noexcept
{
return std::hash<::nano::uint256_union> () (value);
}
};
template <>
struct hash<::nano::public_key>
{
size_t operator() (::nano::public_key const & value) const noexcept
{
return std::hash<::nano::public_key> () (value);
}
};
template <>
struct hash<::nano::block_hash>
{
size_t operator() (::nano::block_hash const & value) const noexcept
{
return std::hash<::nano::block_hash> () (value);
}
};
template <>
struct hash<::nano::hash_or_account>
{
size_t operator() (::nano::hash_or_account const & value) const noexcept
{
return std::hash<::nano::hash_or_account> () (value);
}
};
template <>
struct hash<::nano::root>
{
size_t operator() (::nano::root const & value_a) const
size_t operator() (::nano::root const & value) const noexcept
{
return std::hash<::nano::root> () (value_a);
return std::hash<::nano::root> () (value);
}
};
template <>
struct hash<::nano::link>
{
size_t operator() (::nano::link const & value) const noexcept
{
return std::hash<::nano::link> () (value);
}
};
template <>
struct hash<::nano::raw_key>
{
size_t operator() (::nano::raw_key const & value) const noexcept
{
return std::hash<::nano::raw_key> () (value);
}
};
template <>
struct hash<::nano::wallet_id>
{
size_t operator() (::nano::wallet_id const & value) const noexcept
{
return std::hash<::nano::wallet_id> () (value);
}
};
template <>
struct hash<::nano::uint512_union>
{
size_t operator() (::nano::uint512_union const & value) const noexcept
{
return std::hash<::nano::uint512_union> () (value);
}
};
template <>
struct hash<::nano::qualified_root>
{
size_t operator() (::nano::qualified_root const & value) const noexcept
{
return std::hash<::nano::qualified_root> () (value);
}
};
}

55
nano/secure/common.hpp
View file

@ -21,61 +21,6 @@
#include <array>
#include <unordered_map>
namespace boost
{
template <>
struct hash<::nano::uint256_union>
{
size_t operator() (::nano::uint256_union const & value_a) const
{
return std::hash<::nano::uint256_union> () (value_a);
}
};
template <>
struct hash<::nano::block_hash>
{
size_t operator() (::nano::block_hash const & value_a) const
{
return std::hash<::nano::block_hash> () (value_a);
}
};
template <>
struct hash<::nano::hash_or_account>
{
size_t operator() (::nano::hash_or_account const & data_a) const
{
return std::hash<::nano::hash_or_account> () (data_a);
}
};
template <>
struct hash<::nano::public_key>
{
size_t operator() (::nano::public_key const & value_a) const
{
return std::hash<::nano::public_key> () (value_a);
}
};
template <>
struct hash<::nano::uint512_union>
{
size_t operator() (::nano::uint512_union const & value_a) const
{
return std::hash<::nano::uint512_union> () (value_a);
}
};
template <>
struct hash<::nano::qualified_root>
{
size_t operator() (::nano::qualified_root const & value_a) const
{
return std::hash<::nano::qualified_root> () (value_a);
}
};
}
namespace nano
{
/**

4
nano/secure/pending_info.hpp
View file

@ -67,9 +67,9 @@ namespace std
template <>
struct hash<::nano::pending_key>
{
size_t operator() (::nano::pending_key const & data_a) const
size_t operator() (::nano::pending_key const & value) const
{
return hash<::nano::uint512_union>{}({ ::nano::uint256_union{ data_a.account.number () }, data_a.hash });
return hash<::nano::uint512_union>{}({ ::nano::uint256_union{ value.account.number () }, value.hash });
}
};
}