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.
73 lines
2.4 KiB
73 lines
2.4 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 MessageFilter.h
|
|
* @author Gav Wood <i@gavwood.com>
|
|
* @date 2014
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <libethential/Common.h>
|
|
#include <libethential/RLP.h>
|
|
#include <libethcore/CommonEth.h>
|
|
#include "PastMessage.h"
|
|
|
|
namespace eth
|
|
{
|
|
|
|
struct Manifest;
|
|
class State;
|
|
|
|
class MessageFilter
|
|
{
|
|
public:
|
|
MessageFilter(int _earliest = 0, int _latest = -1, unsigned _max = 10, unsigned _skip = 0): m_earliest(_earliest), m_latest(_latest), m_max(_max), m_skip(_skip) {}
|
|
|
|
void fillStream(RLPStream& _s) const;
|
|
h256 sha3() const;
|
|
|
|
int earliest() const { return m_earliest; }
|
|
int latest() const { return m_latest; }
|
|
unsigned max() const { return m_max; }
|
|
unsigned skip() const { return m_skip; }
|
|
bool matches(h256 _bloom) const;
|
|
bool matches(State const& _s, unsigned _i) const;
|
|
PastMessages matches(Manifest const& _m, unsigned _i) const;
|
|
|
|
MessageFilter from(Address _a) { m_from.insert(_a); return *this; }
|
|
MessageFilter to(Address _a) { m_to.insert(_a); return *this; }
|
|
MessageFilter altered(Address _a, u256 _l) { m_stateAltered.insert(std::make_pair(_a, _l)); return *this; }
|
|
MessageFilter altered(Address _a) { m_altered.insert(_a); return *this; }
|
|
MessageFilter withMax(unsigned _m) { m_max = _m; return *this; }
|
|
MessageFilter withSkip(unsigned _m) { m_skip = _m; return *this; }
|
|
MessageFilter withEarliest(int _e) { m_earliest = _e; return *this; }
|
|
MessageFilter withLatest(int _e) { m_latest = _e; return *this; }
|
|
|
|
private:
|
|
bool matches(Manifest const& _m, std::vector<unsigned> _p, Address _o, PastMessages _limbo, PastMessages& o_ret) const;
|
|
|
|
std::set<Address> m_from;
|
|
std::set<Address> m_to;
|
|
std::set<std::pair<Address, u256>> m_stateAltered;
|
|
std::set<Address> m_altered;
|
|
int m_earliest = 0;
|
|
int m_latest = -1;
|
|
unsigned m_max;
|
|
unsigned m_skip;
|
|
};
|
|
|
|
}
|
|
|