mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
129 lines
5.5 KiB
C++
129 lines
5.5 KiB
C++
/*
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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 vm.h
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* @author Christoph Jentzsch <jentzsch.simulationsoftware@gmail.com>
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* @author Gav Wood <i@gavwood.com>
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* @date 2014
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* vm test functions.
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*/
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#pragma once
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#include <fstream>
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#include <cstdint>
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#include <boost/test/unit_test.hpp>
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#include "JsonSpiritHeaders.h"
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#include <libdevcore/Log.h>
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#include <libdevcore/CommonIO.h>
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#include <libevmface/Instruction.h>
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#include <libevm/ExtVMFace.h>
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#include <libevm/VM.h>
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#include <liblll/Compiler.h>
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#include <libethereum/Transaction.h>
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#include <libethereum/ExtVM.h>
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#include <libethereum/State.h>
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namespace dev { namespace test {
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struct FakeExtVMFailure : virtual Exception {};
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class FakeState: public eth::State
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{
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public:
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/// Execute a contract-creation transaction.
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h160 createNewAddress(Address _newAddress, Address _txSender, u256 _endowment, u256 _gasPrice, u256* _gas, bytesConstRef _code, Address _originAddress = {}, eth::SubState* o_sub = nullptr, eth::Manifest* o_ms = nullptr, eth::OnOpFunc const& _onOp = {}, unsigned _level = 0);
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};
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class FakeExtVM: public eth::ExtVMFace
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{
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public:
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FakeExtVM() = default;
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FakeExtVM(eth::BlockInfo const& _previousBlock, eth::BlockInfo const& _currentBlock, unsigned _depth = 0);
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virtual u256 store(u256 _n) override { return std::get<2>(addresses[myAddress])[_n]; }
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virtual void setStore(u256 _n, u256 _v) override { std::get<2>(addresses[myAddress])[_n] = _v; }
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virtual u256 balance(Address _a) override { return std::get<0>(addresses[_a]); }
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virtual void subBalance(u256 _a) override { std::get<0>(addresses[myAddress]) -= _a; }
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virtual u256 txCount(Address _a) override { return std::get<1>(addresses[_a]); }
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virtual void suicide(Address _a) override { std::get<0>(addresses[_a]) += std::get<0>(addresses[myAddress]); addresses.erase(myAddress); }
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virtual bytes const& codeAt(Address _a) override { return std::get<3>(addresses[_a]); }
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virtual h160 create(u256 _endowment, u256* _gas, bytesConstRef _init, eth::OnOpFunc const&) override;
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virtual bool call(Address _receiveAddress, u256 _value, bytesConstRef _data, u256* _gas, bytesRef _out, eth::OnOpFunc const&, Address, Address) override;
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void setTransaction(Address _caller, u256 _value, u256 _gasPrice, bytes const& _data);
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void setContract(Address _myAddress, u256 _myBalance, u256 _myNonce, std::map<u256, u256> const& _storage, bytes const& _code);
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void set(Address _a, u256 _myBalance, u256 _myNonce, std::map<u256, u256> const& _storage, bytes const& _code);
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void reset(u256 _myBalance, u256 _myNonce, std::map<u256, u256> const& _storage);
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u256 toInt(json_spirit::mValue const& _v);
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byte toByte(json_spirit::mValue const& _v);
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void push(json_spirit::mObject& o, std::string const& _n, u256 _v);
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void push(json_spirit::mArray& a, u256 _v);
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u256 doPosts();
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json_spirit::mObject exportEnv();
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void importEnv(json_spirit::mObject& _o);
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json_spirit::mObject exportState();
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void importState(json_spirit::mObject& _object);
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json_spirit::mObject exportExec();
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void importExec(json_spirit::mObject& _o);
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json_spirit::mArray exportCallCreates();
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void importCallCreates(json_spirit::mArray& _callcreates);
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template<typename ExtVMType>
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eth::OnOpFunc simpleTrace();
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FakeState state() const { return m_s; }
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std::map<Address, std::tuple<u256, u256, std::map<u256, u256>, bytes>> addresses;
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eth::Transactions callcreates;
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bytes thisTxData;
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bytes thisTxCode;
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u256 gas;
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private:
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FakeState m_s;
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eth::Manifest m_ms;
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};
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template<typename ExtVMType>
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eth::OnOpFunc FakeExtVM::simpleTrace()
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{
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return [](uint64_t steps, eth::Instruction inst, bigint newMemSize, bigint gasCost, void* voidVM, void const* voidExt)
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{
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ExtVMType const& ext = *(ExtVMType const*)voidExt;
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eth::VM& vm = *(eth::VM*)voidVM;
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std::ostringstream o;
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o << std::endl << " STACK" << std::endl;
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for (auto i: vm.stack())
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o << (h256)i << std::endl;
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o << " MEMORY" << std::endl << memDump(vm.memory());
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o << " STORAGE" << std::endl;
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for (auto const& i: ext.state().storage(ext.myAddress))
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o << std::showbase << std::hex << i.first << ": " << i.second << std::endl;
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dev::LogOutputStream<eth::VMTraceChannel, false>(true) << o.str();
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dev::LogOutputStream<eth::VMTraceChannel, false>(false) << " | " << std::dec << ext.depth << " | " << ext.myAddress << " | #" << steps << " | " << std::hex << std::setw(4) << std::setfill('0') << vm.curPC() << " : " << instructionInfo(inst).name << " | " << std::dec << vm.gas() << " | -" << std::dec << gasCost << " | " << newMemSize << "x32" << " ]";
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if (eth::VMTraceChannel::verbosity <= g_logVerbosity)
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{
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std::ofstream f;
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f.open("./vmtrace.log", std::ofstream::app);
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f << o.str();
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f << " | " << std::dec << ext.depth << " | " << ext.myAddress << " | #" << steps << " | " << std::hex << std::setw(4) << std::setfill('0') << vm.curPC() << " : " << instructionInfo(inst).name << " | " << std::dec << vm.gas() << " | -" << std::dec << gasCost << " | " << newMemSize << "x32";
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}
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};
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}
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} } // Namespace Close
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