Gav Wood
10 years ago
7 changed files with 2 additions and 162 deletions
@ -1,81 +0,0 @@ |
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/*
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This file is part of cpp-ethereum. |
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|
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cpp-ethereum is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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|
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cpp-ethereum is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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/** @file MessageFilter.cpp
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* @author Gav Wood <i@gavwood.com> |
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* @date 2014 |
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*/ |
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#include "MessageFilter.h" |
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#include <libdevcrypto/SHA3.h> |
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#include "State.h" |
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using namespace std; |
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using namespace dev; |
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using namespace dev::eth; |
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void LogFilter::streamRLP(RLPStream& _s) const |
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{ |
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_s.appendList(6) << m_addresses << m_topics << m_earliest << m_latest << m_max << m_skip; |
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} |
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h256 LogFilter::sha3() const |
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{ |
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RLPStream s; |
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streamRLP(s); |
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return dev::sha3(s.out()); |
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} |
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bool LogFilter::matches(LogBloom _bloom) const |
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{ |
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if (m_addresses.size()) |
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{ |
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for (auto i: m_addresses) |
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if (_bloom.containsBloom<3>(dev::sha3(i))) |
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goto OK1; |
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return false; |
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} |
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OK1: |
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if (m_topics.size()) |
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{ |
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for (auto i: m_topics) |
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if (_bloom.containsBloom<3>(dev::sha3(i))) |
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goto OK2; |
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return false; |
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} |
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OK2: |
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return true; |
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} |
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bool LogFilter::matches(State const& _s, unsigned _i) const |
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{ |
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return matches(_s.receipt(_i)).size() > 0; |
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} |
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LogEntries LogFilter::matches(TransactionReceipt const& _m) const |
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{ |
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LogEntries ret; |
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for (LogEntry const& e: _m.log()) |
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{ |
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if (!m_addresses.empty() && !m_addresses.count(e.address)) |
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continue; |
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for (auto const& t: m_topics) |
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if (!std::count(e.topics.begin(), e.topics.end(), t)) |
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continue; |
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ret.push_back(e); |
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} |
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return ret; |
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} |
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@ -1,69 +0,0 @@ |
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/*
|
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This file is part of cpp-ethereum. |
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|
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cpp-ethereum is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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|
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cpp-ethereum is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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/** @file MessageFilter.h
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* @author Gav Wood <i@gavwood.com> |
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* @date 2014 |
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*/ |
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#pragma once |
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#include <libdevcore/Common.h> |
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#include <libdevcore/RLP.h> |
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#include <libethcore/CommonEth.h> |
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#include "TransactionReceipt.h" |
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namespace dev |
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{ |
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namespace eth |
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{ |
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class State; |
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class LogFilter |
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{ |
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public: |
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LogFilter(int _earliest = 0, int _latest = -1, unsigned _max = 10, unsigned _skip = 0): m_earliest(_earliest), m_latest(_latest), m_max(_max), m_skip(_skip) {} |
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void streamRLP(RLPStream& _s) const; |
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h256 sha3() const; |
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int earliest() const { return m_earliest; } |
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int latest() const { return m_latest; } |
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unsigned max() const { return m_max; } |
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unsigned skip() const { return m_skip; } |
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bool matches(LogBloom _bloom) const; |
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bool matches(State const& _s, unsigned _i) const; |
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LogEntries matches(TransactionReceipt const& _r) const; |
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LogFilter address(Address _a) { m_addresses.insert(_a); return *this; } |
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LogFilter topic(h256 const& _t) { m_topics.insert(_t); return *this; } |
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LogFilter withMax(unsigned _m) { m_max = _m; return *this; } |
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LogFilter withSkip(unsigned _m) { m_skip = _m; return *this; } |
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LogFilter withEarliest(int _e) { m_earliest = _e; return *this; } |
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LogFilter withLatest(int _e) { m_latest = _e; return *this; } |
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private: |
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AddressSet m_addresses; |
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h256Set m_topics; |
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int m_earliest = 0; |
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int m_latest = -1; |
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unsigned m_max; |
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unsigned m_skip; |
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}; |
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} |
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} |
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