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86 lines
2.2 KiB
86 lines
2.2 KiB
/*
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This file is part of cpp-ethereum.
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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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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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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 ExtVM.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 <map>
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#include <libethcore/CommonEth.h>
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#include <libevm/ExtVMFace.h>
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#include "State.h"
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namespace eth
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{
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// TODO: Document
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class ExtVM: public ExtVMFace
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{
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public:
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ExtVM(State& _s, Address _myAddress, Address _caller, Address _origin, u256 _value, u256 _gasPrice, bytesConstRef _data, bytesConstRef _code):
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ExtVMFace(_myAddress, _caller, _origin, _value, _gasPrice, _data, _code, _s.m_previousBlock, _s.m_currentBlock), m_s(_s), m_origCache(_s.m_cache)
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{
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m_s.ensureCached(_myAddress, true, true);
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}
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u256 store(u256 _n)
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{
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return m_s.storage(myAddress, _n);
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}
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void setStore(u256 _n, u256 _v)
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{
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m_s.setStorage(myAddress, _n, _v);
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}
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h160 create(u256 _endowment, u256* _gas, bytesConstRef _code)
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{
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// Increment associated nonce for sender.
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m_s.noteSending(myAddress);
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return m_s.create(myAddress, _endowment, gasPrice, _gas, _code, origin);
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}
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bool call(Address _receiveAddress, u256 _txValue, bytesConstRef _txData, u256* _gas, bytesRef _out)
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{
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return m_s.call(_receiveAddress, myAddress, _txValue, gasPrice, _txData, _gas, _out, origin);
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}
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u256 balance(Address _a) { return m_s.balance(_a); }
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void subBalance(u256 _a) { m_s.subBalance(myAddress, _a); }
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u256 txCount(Address _a) { return m_s.transactionsFrom(_a); }
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void suicide(Address _a)
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{
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m_s.addBalance(_a, m_s.balance(myAddress));
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m_s.m_cache[myAddress].kill();
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}
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void revert()
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{
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m_s.m_cache = m_origCache;
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}
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private:
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State& m_s;
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std::map<Address, AddressState> m_origCache;
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std::map<u256, u256>* m_store;
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};
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}
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