mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
285 lines
8.2 KiB
C++
285 lines
8.2 KiB
C++
/*
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This file is part of solidity.
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solidity 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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solidity 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 solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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// SPDX-License-Identifier: GPL-3.0
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/**
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* @author Christian <c@ethdev.com>
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* @date 2016
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* Framework for executing contracts and testing them using RPC.
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*/
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#include <test/ExecutionFramework.h>
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#include <test/EVMHost.h>
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#include <test/evmc/evmc.hpp>
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#include <libsolutil/CommonIO.h>
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#include <libsolutil/FunctionSelector.h>
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#include <liblangutil/Exceptions.h>
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#include <boost/test/framework.hpp>
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#include <boost/algorithm/string/replace.hpp>
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#include <cstdlib>
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using namespace std;
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using namespace solidity;
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using namespace solidity::util;
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using namespace solidity::test;
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ExecutionFramework::ExecutionFramework():
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ExecutionFramework(solidity::test::CommonOptions::get().evmVersion(), solidity::test::CommonOptions::get().vmPaths)
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{
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}
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ExecutionFramework::ExecutionFramework(langutil::EVMVersion _evmVersion, vector<boost::filesystem::path> const& _vmPaths):
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m_evmVersion(_evmVersion),
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m_optimiserSettings(solidity::frontend::OptimiserSettings::minimal()),
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m_showMessages(solidity::test::CommonOptions::get().showMessages),
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m_vmPaths(_vmPaths)
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{
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if (solidity::test::CommonOptions::get().optimize)
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m_optimiserSettings = solidity::frontend::OptimiserSettings::standard();
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for (auto const& path: m_vmPaths)
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if (EVMHost::getVM(path.string()).has_capability(EVMC_CAPABILITY_EWASM))
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m_supportsEwasm = true;
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selectVM(evmc_capabilities::EVMC_CAPABILITY_EVM1);
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}
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void ExecutionFramework::selectVM(evmc_capabilities _cap)
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{
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m_evmcHost.reset();
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for (auto const& path: m_vmPaths)
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{
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evmc::VM& vm = EVMHost::getVM(path.string());
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if (vm.has_capability(_cap))
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{
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m_evmcHost = make_unique<EVMHost>(m_evmVersion, vm);
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break;
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}
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}
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solAssert(m_evmcHost != nullptr, "");
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reset();
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}
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void ExecutionFramework::reset()
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{
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m_evmcHost->reset();
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for (size_t i = 0; i < 10; i++)
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m_evmcHost->accounts[EVMHost::convertToEVMC(account(i))].balance =
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EVMHost::convertToEVMC(u256(1) << 100);
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}
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std::pair<bool, string> ExecutionFramework::compareAndCreateMessage(
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bytes const& _result,
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bytes const& _expectation
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)
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{
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if (_result == _expectation)
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return std::make_pair(true, std::string{});
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std::string message =
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"Invalid encoded data\n"
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" Result Expectation\n";
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auto resultHex = boost::replace_all_copy(toHex(_result), "0", ".");
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auto expectedHex = boost::replace_all_copy(toHex(_expectation), "0", ".");
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for (size_t i = 0; i < std::max(resultHex.size(), expectedHex.size()); i += 0x40)
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{
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std::string result{i >= resultHex.size() ? string{} : resultHex.substr(i, 0x40)};
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std::string expected{i > expectedHex.size() ? string{} : expectedHex.substr(i, 0x40)};
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message +=
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(result == expected ? " " : " X ") +
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result +
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std::string(0x41 - result.size(), ' ') +
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expected +
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"\n";
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}
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return make_pair(false, message);
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}
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bytes ExecutionFramework::panicData(util::PanicCode _code)
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{
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return
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m_evmVersion.supportsReturndata() ?
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toCompactBigEndian(selectorFromSignature32("Panic(uint256)"), 4) + encode(u256(static_cast<unsigned>(_code))) :
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bytes();
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}
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u256 ExecutionFramework::gasLimit() const
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{
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return {m_evmcHost->tx_context.block_gas_limit};
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}
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u256 ExecutionFramework::gasPrice() const
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{
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// here and below we use "return u256{....}" instead of just "return {....}"
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// to please MSVC and avoid unexpected
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// warning C4927 : illegal conversion; more than one user - defined conversion has been implicitly applied
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return u256{EVMHost::convertFromEVMC(m_evmcHost->tx_context.tx_gas_price)};
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}
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u256 ExecutionFramework::blockHash(u256 const& _number) const
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{
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return u256{EVMHost::convertFromEVMC(
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m_evmcHost->get_block_hash(static_cast<int64_t>(_number & numeric_limits<uint64_t>::max()))
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)};
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}
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u256 ExecutionFramework::blockNumber() const
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{
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return m_evmcHost->tx_context.block_number;
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}
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void ExecutionFramework::sendMessage(bytes const& _data, bool _isCreation, u256 const& _value)
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{
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m_evmcHost->newBlock();
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if (m_showMessages)
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{
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if (_isCreation)
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cout << "CREATE " << m_sender.hex() << ":" << endl;
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else
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cout << "CALL " << m_sender.hex() << " -> " << m_contractAddress.hex() << ":" << endl;
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if (_value > 0)
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cout << " value: " << _value << endl;
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cout << " in: " << toHex(_data) << endl;
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}
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evmc_message message = {};
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message.input_data = _data.data();
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message.input_size = _data.size();
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message.sender = EVMHost::convertToEVMC(m_sender);
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message.value = EVMHost::convertToEVMC(_value);
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if (_isCreation)
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{
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message.kind = EVMC_CREATE;
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message.destination = EVMHost::convertToEVMC(h160{});
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}
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else
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{
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message.kind = EVMC_CALL;
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message.destination = EVMHost::convertToEVMC(m_contractAddress);
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}
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message.gas = m_gas.convert_to<int64_t>();
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evmc::result result = m_evmcHost->call(message);
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m_output = bytes(result.output_data, result.output_data + result.output_size);
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if (_isCreation)
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m_contractAddress = EVMHost::convertFromEVMC(result.create_address);
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m_gasUsed = m_gas - result.gas_left;
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m_transactionSuccessful = (result.status_code == EVMC_SUCCESS);
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if (m_showMessages)
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{
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cout << " out: " << toHex(m_output) << endl;
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cout << " result: " << static_cast<size_t>(result.status_code) << endl;
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cout << " gas used: " << m_gasUsed.str() << endl;
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}
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}
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void ExecutionFramework::sendEther(h160 const& _addr, u256 const& _amount)
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{
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m_evmcHost->newBlock();
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if (m_showMessages)
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{
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cout << "SEND_ETHER " << m_sender.hex() << " -> " << _addr.hex() << ":" << endl;
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if (_amount > 0)
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cout << " value: " << _amount << endl;
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}
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evmc_message message = {};
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message.sender = EVMHost::convertToEVMC(m_sender);
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message.value = EVMHost::convertToEVMC(_amount);
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message.kind = EVMC_CALL;
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message.destination = EVMHost::convertToEVMC(_addr);
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message.gas = m_gas.convert_to<int64_t>();
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m_evmcHost->call(message);
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}
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size_t ExecutionFramework::currentTimestamp()
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{
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return static_cast<size_t>(m_evmcHost->tx_context.block_timestamp);
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}
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size_t ExecutionFramework::blockTimestamp(u256 _block)
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{
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if (_block > blockNumber())
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return 0;
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else
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return static_cast<size_t>((currentTimestamp() / blockNumber()) * _block);
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}
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h160 ExecutionFramework::account(size_t _idx)
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{
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return h160(h256(u256{"0x1212121212121212121212121212120000000012"} + _idx * 0x1000), h160::AlignRight);
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}
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bool ExecutionFramework::addressHasCode(h160 const& _addr) const
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{
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return m_evmcHost->get_code_size(EVMHost::convertToEVMC(_addr)) != 0;
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}
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size_t ExecutionFramework::numLogs() const
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{
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return m_evmcHost->recorded_logs.size();
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}
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size_t ExecutionFramework::numLogTopics(size_t _logIdx) const
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{
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return m_evmcHost->recorded_logs.at(_logIdx).topics.size();
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}
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h256 ExecutionFramework::logTopic(size_t _logIdx, size_t _topicIdx) const
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{
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return EVMHost::convertFromEVMC(m_evmcHost->recorded_logs.at(_logIdx).topics.at(_topicIdx));
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}
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h160 ExecutionFramework::logAddress(size_t _logIdx) const
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{
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return EVMHost::convertFromEVMC(m_evmcHost->recorded_logs.at(_logIdx).creator);
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}
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bytes ExecutionFramework::logData(size_t _logIdx) const
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{
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const auto& data = m_evmcHost->recorded_logs.at(_logIdx).data;
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// TODO: Return a copy of log data, because this is expected from REQUIRE_LOG_DATA(),
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// but reference type like string_view would be preferable.
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return {data.begin(), data.end()};
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}
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u256 ExecutionFramework::balanceAt(h160 const& _addr) const
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{
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return u256(EVMHost::convertFromEVMC(m_evmcHost->get_balance(EVMHost::convertToEVMC(_addr))));
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}
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bool ExecutionFramework::storageEmpty(h160 const& _addr) const
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{
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const auto it = m_evmcHost->accounts.find(EVMHost::convertToEVMC(_addr));
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if (it != m_evmcHost->accounts.end())
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{
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for (auto const& entry: it->second.storage)
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if (!(entry.second.value == evmc::bytes32{}))
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return false;
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}
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return true;
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}
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