You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
235 lines
6.9 KiB
235 lines
6.9 KiB
/*
|
|
This file is part of cpp-ethereum.
|
|
|
|
cpp-ethereum is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
cpp-ethereum is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file Common.h
|
|
* @author Gav Wood <i@gavwood.com>
|
|
* @date 2014
|
|
*
|
|
* Very common stuff (i.e. that every other header needs except vector_ref.h).
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
// way to many unsigned to size_t warnings in 32 bit build
|
|
#ifdef _M_IX86
|
|
#pragma warning(disable:4244)
|
|
#endif
|
|
|
|
#ifdef _MSC_VER
|
|
#define _ALLOW_KEYWORD_MACROS
|
|
#define noexcept throw()
|
|
#endif
|
|
|
|
#include <map>
|
|
#include <unordered_map>
|
|
#include <vector>
|
|
#include <set>
|
|
#include <unordered_set>
|
|
#include <functional>
|
|
#include <boost/timer.hpp>
|
|
#include <boost/functional/hash.hpp>
|
|
#pragma warning(push)
|
|
#pragma GCC diagnostic push
|
|
#pragma GCC diagnostic ignored "-Wunused-parameter"
|
|
#include <boost/multiprecision/cpp_int.hpp>
|
|
#pragma warning(pop)
|
|
#pragma GCC diagnostic pop
|
|
#include "vector_ref.h"
|
|
|
|
// CryptoPP defines byte in the global namespace, so must we.
|
|
using byte = uint8_t;
|
|
|
|
// Quote a given token stream to turn it into a string.
|
|
#define DEV_QUOTED_HELPER(s) #s
|
|
#define DEV_QUOTED(s) DEV_QUOTED_HELPER(s)
|
|
|
|
#define DEV_IGNORE_EXCEPTIONS(X) try { X; } catch (...) {}
|
|
|
|
namespace dev
|
|
{
|
|
|
|
extern char const* Version;
|
|
|
|
// Binary data types.
|
|
using bytes = std::vector<byte>;
|
|
using bytesRef = vector_ref<byte>;
|
|
using bytesConstRef = vector_ref<byte const>;
|
|
|
|
// Numeric types.
|
|
using bigint = boost::multiprecision::number<boost::multiprecision::cpp_int_backend<>>;
|
|
using u64 = boost::multiprecision::number<boost::multiprecision::cpp_int_backend<64, 64, boost::multiprecision::unsigned_magnitude, boost::multiprecision::unchecked, void>>;
|
|
using u128 = boost::multiprecision::number<boost::multiprecision::cpp_int_backend<128, 128, boost::multiprecision::unsigned_magnitude, boost::multiprecision::unchecked, void>>;
|
|
using u256 = boost::multiprecision::number<boost::multiprecision::cpp_int_backend<256, 256, boost::multiprecision::unsigned_magnitude, boost::multiprecision::unchecked, void>>;
|
|
using s256 = boost::multiprecision::number<boost::multiprecision::cpp_int_backend<256, 256, boost::multiprecision::signed_magnitude, boost::multiprecision::unchecked, void>>;
|
|
using u160 = boost::multiprecision::number<boost::multiprecision::cpp_int_backend<160, 160, boost::multiprecision::unsigned_magnitude, boost::multiprecision::unchecked, void>>;
|
|
using s160 = boost::multiprecision::number<boost::multiprecision::cpp_int_backend<160, 160, boost::multiprecision::signed_magnitude, boost::multiprecision::unchecked, void>>;
|
|
using u512 = boost::multiprecision::number<boost::multiprecision::cpp_int_backend<512, 512, boost::multiprecision::unsigned_magnitude, boost::multiprecision::unchecked, void>>;
|
|
using u256s = std::vector<u256>;
|
|
using u160s = std::vector<u160>;
|
|
using u256Set = std::set<u256>;
|
|
using u160Set = std::set<u160>;
|
|
|
|
// Map types.
|
|
using StringMap = std::map<std::string, std::string>;
|
|
using u256Map = std::map<u256, u256>;
|
|
using HexMap = std::map<bytes, std::string>;
|
|
|
|
// Hash types.
|
|
using StringHashMap = std::unordered_map<std::string, std::string>;
|
|
using u256HashMap = std::unordered_map<u256, u256>;
|
|
|
|
// String types.
|
|
using strings = std::vector<std::string>;
|
|
|
|
// Fixed-length string types.
|
|
using string32 = std::array<char, 32>;
|
|
static const string32 ZeroString32 = {{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }};
|
|
|
|
// Null/Invalid values for convenience.
|
|
static const u256 Invalid256 = ~(u256)0;
|
|
static const bytes NullBytes;
|
|
static const std::map<u256, u256> EmptyMapU256U256;
|
|
|
|
inline s256 u2s(u256 _u)
|
|
{
|
|
static const bigint c_end = (bigint)1 << 256;
|
|
static const u256 c_send = (u256)1 << 255;
|
|
if (_u < c_send)
|
|
return (s256)_u;
|
|
else
|
|
return (s256)-(c_end - _u);
|
|
}
|
|
|
|
inline u256 s2u(s256 _u)
|
|
{
|
|
static const bigint c_end = (bigint)1 << 256;
|
|
if (_u >= 0)
|
|
return (u256)_u;
|
|
else
|
|
return (u256)(c_end + _u);
|
|
}
|
|
|
|
inline unsigned int toLog2(u256 _x)
|
|
{
|
|
unsigned ret;
|
|
for (ret = 0; _x >>= 1; ++ret) {}
|
|
return ret;
|
|
}
|
|
|
|
template <class N>
|
|
inline N diff(N const& _a, N const& _b)
|
|
{
|
|
return std::max(_a, _b) - std::min(_a, _b);
|
|
}
|
|
|
|
/// RAII utility class whose destructor calls a given function.
|
|
class ScopeGuard
|
|
{
|
|
public:
|
|
ScopeGuard(std::function<void(void)> _f): m_f(_f) {}
|
|
~ScopeGuard() { m_f(); }
|
|
|
|
private:
|
|
std::function<void(void)> m_f;
|
|
};
|
|
|
|
/// Inheritable for classes that have invariants.
|
|
class HasInvariants
|
|
{
|
|
public:
|
|
/// Check invariants are met, throw if not.
|
|
void checkInvariants() const;
|
|
|
|
protected:
|
|
/// Reimplement to specify the invariants.
|
|
virtual bool invariants() const = 0;
|
|
};
|
|
|
|
/// RAII checker for invariant assertions.
|
|
class InvariantChecker
|
|
{
|
|
public:
|
|
InvariantChecker(HasInvariants* _this): m_this(_this) { m_this->checkInvariants(); }
|
|
~InvariantChecker() { m_this->checkInvariants(); }
|
|
|
|
private:
|
|
HasInvariants const* m_this;
|
|
};
|
|
|
|
/// Scope guard for invariant check in a class derived from HasInvariants.
|
|
#if ETH_DEBUG
|
|
#define DEV_INVARIANT_CHECK ::dev::InvariantChecker __dev_invariantCheck(this)
|
|
#else
|
|
#define DEV_INVARIANT_CHECK (void)0;
|
|
#endif
|
|
|
|
/// Simple scope-based timer helper.
|
|
class TimerHelper
|
|
{
|
|
public:
|
|
TimerHelper(char const* _id, unsigned _msReportWhenGreater = 0): m_id(_id), m_ms(_msReportWhenGreater) {}
|
|
~TimerHelper();
|
|
|
|
private:
|
|
boost::timer m_t;
|
|
char const* m_id;
|
|
unsigned m_ms;
|
|
};
|
|
|
|
#define DEV_TIMED(S) for (::std::pair<::dev::TimerHelper, bool> __eth_t(#S, true); __eth_t.second; __eth_t.second = false)
|
|
#define DEV_TIMED_SCOPE(S) ::dev::TimerHelper __eth_t(S)
|
|
#if WIN32
|
|
#define DEV_TIMED_FUNCTION DEV_TIMED_SCOPE(__FUNCSIG__)
|
|
#else
|
|
#define DEV_TIMED_FUNCTION DEV_TIMED_SCOPE(__PRETTY_FUNCTION__)
|
|
#endif
|
|
|
|
#define DEV_TIMED_IF(S, MS) for (::std::pair<::dev::TimerHelper, bool> __eth_t(::dev::TimerHelper(#S, MS), true); __eth_t.second; __eth_t.second = false)
|
|
#define DEV_TIMED_SCOPE_IF(S) ::dev::TimerHelper __eth_t(S, MS)
|
|
#if WIN32
|
|
#define DEV_TIMED_FUNCTION_IF(MS) DEV_TIMED_SCOPE_IF(__FUNCSIG__, MS)
|
|
#else
|
|
#define DEV_TIMED_FUNCTION_IF(MS) DEV_TIMED_SCOPE_IF(__PRETTY_FUNCTION__, MS)
|
|
#endif
|
|
|
|
enum class WithExisting: int
|
|
{
|
|
Trust = 0,
|
|
Verify,
|
|
Kill
|
|
};
|
|
|
|
}
|
|
|
|
namespace std
|
|
{
|
|
|
|
inline dev::WithExisting max(dev::WithExisting _a, dev::WithExisting _b)
|
|
{
|
|
return static_cast<dev::WithExisting>(max(static_cast<int>(_a), static_cast<int>(_b)));
|
|
}
|
|
|
|
template <> struct hash<dev::u256>
|
|
{
|
|
size_t operator()(dev::u256 const& _a) const
|
|
{
|
|
unsigned size = _a.backend().size();
|
|
auto limbs = _a.backend().limbs();
|
|
return boost::hash_range(limbs, limbs + size);
|
|
}
|
|
};
|
|
|
|
}
|
|
|