diff options
Diffstat (limited to 'test')
24 files changed, 15261 insertions, 0 deletions
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt new file mode 100644 index 00000000..f7475112 --- /dev/null +++ b/test/CMakeLists.txt @@ -0,0 +1,121 @@ +cmake_policy(SET CMP0015 NEW) + +aux_source_directory(. SRC_LIST) + +macro (add_sources) + file (RELATIVE_PATH _relPath "${CMAKE_SOURCE_DIR}/test" "${CMAKE_CURRENT_SOURCE_DIR}") + foreach (_src ${ARGN}) + if (_relPath) + list (APPEND SRC "${_relPath}/${_src}") + else() + list (APPEND SRC "${_src}") + endif() + endforeach() + if (_relPath) + # propagate SRCS to parent directory + set (SRC ${SRC} PARENT_SCOPE) + endif() +endmacro() + +add_subdirectory(fuzzTesting) +add_subdirectory(libdevcore) +add_subdirectory(libdevcrypto) +add_subdirectory(libethcore) +add_subdirectory(libethereum) +add_subdirectory(libevm) +add_subdirectory(libnatspec) +add_subdirectory(libp2p) +add_subdirectory(external-dependencies) + +if (JSCONSOLE) + add_subdirectory(libjsengine) +endif() + +if (SOLIDITY) + add_subdirectory(libsolidity) + add_subdirectory(contracts) +endif () +if (JSONRPC) +add_subdirectory(libweb3jsonrpc) +endif () +add_subdirectory(libwhisper) + +set(SRC_LIST ${SRC_LIST} ${SRC}) + +include_directories(BEFORE ${JSONCPP_INCLUDE_DIRS}) +include_directories(BEFORE ..) +include_directories(${Boost_INCLUDE_DIRS}) +include_directories(${CRYPTOPP_INCLUDE_DIRS}) +include_directories(${JSON_RPC_CPP_INCLUDE_DIRS}) + +if (JSCONSOLE) + include_directories(${V8_INCLUDE_DIRS}) +endif() + +# search for test names and create ctest tests +enable_testing() +foreach(file ${SRC_LIST}) + file(STRINGS ${CMAKE_CURRENT_SOURCE_DIR}/${file} test_list_raw REGEX "BOOST_.*TEST_(SUITE|CASE)") + set(TestSuite "DEFAULT") + foreach(test_raw ${test_list_raw}) + string(REGEX REPLACE ".*TEST_(SUITE|CASE)\\(([^ ,\\)]*).*" "\\1 \\2" test ${test_raw}) + if(test MATCHES "^SUITE .*") + string(SUBSTRING ${test} 6 -1 TestSuite) + elseif(test MATCHES "^CASE .*") + string(SUBSTRING ${test} 5 -1 TestCase) + add_test(NAME ${TestSuite}/${TestCase} WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/test COMMAND testeth -t ${TestSuite}/${TestCase}) + endif(test MATCHES "^SUITE .*") + endforeach(test_raw) +endforeach(file) + +file(GLOB HEADERS "*.h") +add_executable(testeth ${SRC_LIST} ${HEADERS}) + +target_link_libraries(testeth ${Boost_UNIT_TEST_FRAMEWORK_LIBRARIES}) +target_link_libraries(testeth ${CURL_LIBRARIES}) +target_link_libraries(testeth ${CRYPTOPP_LIBRARIES}) +target_link_libraries(testeth ethereum) +target_link_libraries(testeth ethcore) +if (NOT WIN32) + target_link_libraries(testeth secp256k1) +endif () + +if (JSCONSOLE) + target_link_libraries(testeth jsengine) +endif() + +if (SOLIDITY) + target_link_libraries(testeth solidity) +endif () + +target_link_libraries(testeth testutils) + +if (GUI AND NOT JUSTTESTS) + target_link_libraries(testeth webthree) + target_link_libraries(testeth natspec) +endif() + +if (JSONRPC) + target_link_libraries(testeth web3jsonrpc) + target_link_libraries(testeth ${JSON_RPC_CPP_CLIENT_LIBRARIES}) +endif() + +enable_testing() +set(CTEST_OUTPUT_ON_FAILURE TRUE) + +include(EthUtils) + +eth_add_test(ClientBase + ARGS --eth_testfile=BlockTests/bcJS_API_Test --eth_threads=1 + ARGS --eth_testfile=BlockTests/bcJS_API_Test --eth_threads=3 + ARGS --eth_testfile=BlockTests/bcJS_API_Test --eth_threads=10 + ARGS --eth_testfile=BlockTests/bcValidBlockTest --eth_threads=1 + ARGS --eth_testfile=BlockTests/bcValidBlockTest --eth_threads=3 + ARGS --eth_testfile=BlockTests/bcValidBlockTest --eth_threads=10 +) + +eth_add_test(JsonRpc + ARGS --eth_testfile=BlockTests/bcJS_API_Test + ARGS --eth_testfile=BlockTests/bcValidBlockTest +) + diff --git a/test/TestHelper.cpp b/test/TestHelper.cpp new file mode 100644 index 00000000..e7633c5e --- /dev/null +++ b/test/TestHelper.cpp @@ -0,0 +1,892 @@ +/* + 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 TestHelper.cpp + * @author Marko Simovic <markobarko@gmail.com> + * @date 2014 + */ + +#include "TestHelper.h" + +#include <thread> +#include <chrono> +#include <libethcore/EthashAux.h> +#include <libethereum/Client.h> +#include <libevm/ExtVMFace.h> +#include <liblll/Compiler.h> +#include <libevm/VMFactory.h> +#include "Stats.h" + +using namespace std; +using namespace dev::eth; + +namespace dev +{ +namespace eth +{ + +void mine(Client& c, int numBlocks) +{ + auto startBlock = c.blockChain().details().number; + + c.startMining(); + while(c.blockChain().details().number < startBlock + numBlocks) + std::this_thread::sleep_for(std::chrono::milliseconds(100)); + c.stopMining(); +} + +void connectClients(Client& c1, Client& c2) +{ + (void)c1; + (void)c2; + // TODO: Move to WebThree. eth::Client no longer handles networking. +#if 0 + short c1Port = 20000; + short c2Port = 21000; + c1.startNetwork(c1Port); + c2.startNetwork(c2Port); + c2.connect("127.0.0.1", c1Port); +#endif +} + +void mine(Block& s, BlockChain const& _bc) +{ + std::unique_ptr<SealEngineFace> sealer(Ethash::createSealEngine()); + s.commitToSeal(_bc); + Notified<bytes> sealed; + sealer->onSealGenerated([&](bytes const& sealedHeader){ sealed = sealedHeader; }); + sealer->generateSeal(s.info()); + sealed.waitNot({}); + sealer.reset(); + s.sealBlock(sealed); +} + +void mine(Ethash::BlockHeader& _bi) +{ + std::unique_ptr<SealEngineFace> sealer(Ethash::createSealEngine()); + Notified<bytes> sealed; + sealer->onSealGenerated([&](bytes const& sealedHeader){ sealed = sealedHeader; }); + sealer->generateSeal(_bi); + sealed.waitNot({}); + sealer.reset(); + _bi = Ethash::BlockHeader(sealed, CheckNothing, h256{}, HeaderData); +} + +} + +namespace test +{ + +struct ValueTooLarge: virtual Exception {}; +struct MissingFields : virtual Exception {}; + +bigint const c_max256plus1 = bigint(1) << 256; + +ImportTest::ImportTest(json_spirit::mObject& _o, bool isFiller, testType testTemplate): + m_statePre(OverlayDB(), eth::BaseState::Empty), + m_statePost(OverlayDB(), eth::BaseState::Empty), + m_testObject(_o) +{ + if (testTemplate == testType::StateTests) + { + importEnv(_o["env"].get_obj()); + importTransaction(_o["transaction"].get_obj()); + importState(_o["pre"].get_obj(), m_statePre); + if (!isFiller) + { + if (_o.count("post")) + importState(_o["post"].get_obj(), m_statePost); + else + importState(_o["postState"].get_obj(), m_statePost); + m_logsExpected = importLog(_o["logs"].get_array()); + } + } +} + +//executes an imported transacton on preState +bytes ImportTest::executeTest() +{ + ExecutionResult res; + eth::State tmpState = m_statePre; + try + { + std::pair<ExecutionResult, TransactionReceipt> execOut = m_statePre.execute(m_envInfo, m_transaction); + res = execOut.first; + m_logs = execOut.second.log(); + } + catch (Exception const& _e) + { + cnote << "Exception: " << diagnostic_information(_e); + } + catch (std::exception const& _e) + { + cnote << "state execution exception: " << _e.what(); + } + + m_statePre.commit(); + m_statePost = m_statePre; + m_statePre = tmpState; + + return res.output; +} + +json_spirit::mObject& ImportTest::makeAllFieldsHex(json_spirit::mObject& _o) +{ + static const set<string> hashes {"bloom" , "coinbase", "hash", "mixHash", "parentHash", "receiptTrie", + "stateRoot", "transactionsTrie", "uncleHash", "currentCoinbase", + "previousHash", "to", "address", "caller", "origin", "secretKey", "data"}; + + for (auto& i: _o) + { + std::string key = i.first; + if (hashes.count(key)) + continue; + + std::string str; + json_spirit::mValue value = i.second; + + if (value.type() == json_spirit::int_type) + str = toString(value.get_int()); + else if (value.type() == json_spirit::str_type) + str = value.get_str(); + else continue; + + _o[key] = (str.substr(0, 2) == "0x") ? str : toCompactHex(toInt(str), HexPrefix::Add, 1); + } + return _o; +} + +void ImportTest::importEnv(json_spirit::mObject& _o) +{ + assert(_o.count("currentGasLimit") > 0); + assert(_o.count("currentDifficulty") > 0); + assert(_o.count("currentNumber") > 0); + assert(_o.count("currentTimestamp") > 0); + assert(_o.count("currentCoinbase") > 0); + m_envInfo.setGasLimit(toInt(_o["currentGasLimit"])); + m_envInfo.setDifficulty(toInt(_o["currentDifficulty"])); + m_envInfo.setNumber(toInt(_o["currentNumber"])); + m_envInfo.setTimestamp(toInt(_o["currentTimestamp"])); + m_envInfo.setBeneficiary(Address(_o["currentCoinbase"].get_str())); + m_envInfo.setLastHashes( lastHashes( m_envInfo.number() ) ); +} + +// import state from not fully declared json_spirit::mObject, writing to _stateOptionsMap which fields were defined in json + +void ImportTest::importState(json_spirit::mObject& _o, State& _state, AccountMaskMap& o_mask) +{ + std::string jsondata = json_spirit::write_string((json_spirit::mValue)_o, false); + _state.populateFrom(jsonToAccountMap(jsondata, &o_mask)); +} + +void ImportTest::importState(json_spirit::mObject& _o, State& _state) +{ + AccountMaskMap mask; + importState(_o, _state, mask); + for (auto const& i: mask) + //check that every parameter was declared in state object + if (!i.second.allSet()) + BOOST_THROW_EXCEPTION(MissingFields() << errinfo_comment("Import State: Missing state fields!")); +} + +void ImportTest::importTransaction (json_spirit::mObject const& _o, eth::Transaction& o_tr) +{ + if (_o.count("secretKey") > 0) + { + assert(_o.count("nonce") > 0); + assert(_o.count("gasPrice") > 0); + assert(_o.count("gasLimit") > 0); + assert(_o.count("to") > 0); + assert(_o.count("value") > 0); + assert(_o.count("data") > 0); + + if (bigint(_o.at("nonce").get_str()) >= c_max256plus1) + BOOST_THROW_EXCEPTION(ValueTooLarge() << errinfo_comment("Transaction 'nonce' is equal or greater than 2**256") ); + if (bigint(_o.at("gasPrice").get_str()) >= c_max256plus1) + BOOST_THROW_EXCEPTION(ValueTooLarge() << errinfo_comment("Transaction 'gasPrice' is equal or greater than 2**256") ); + if (bigint(_o.at("gasLimit").get_str()) >= c_max256plus1) + BOOST_THROW_EXCEPTION(ValueTooLarge() << errinfo_comment("Transaction 'gasLimit' is equal or greater than 2**256") ); + if (bigint(_o.at("value").get_str()) >= c_max256plus1) + BOOST_THROW_EXCEPTION(ValueTooLarge() << errinfo_comment("Transaction 'value' is equal or greater than 2**256") ); + + o_tr = _o.at("to").get_str().empty() ? + Transaction(toInt(_o.at("value")), toInt(_o.at("gasPrice")), toInt(_o.at("gasLimit")), importData(_o), toInt(_o.at("nonce")), Secret(_o.at("secretKey").get_str())) : + Transaction(toInt(_o.at("value")), toInt(_o.at("gasPrice")), toInt(_o.at("gasLimit")), Address(_o.at("to").get_str()), importData(_o), toInt(_o.at("nonce")), Secret(_o.at("secretKey").get_str())); + } + else + { + RLPStream transactionRLPStream = createRLPStreamFromTransactionFields(_o); + RLP transactionRLP(transactionRLPStream.out()); + try + { + o_tr = Transaction(transactionRLP.data(), CheckTransaction::Everything); + } + catch (InvalidSignature) + { + // create unsigned transaction + o_tr = _o.at("to").get_str().empty() ? + Transaction(toInt(_o.at("value")), toInt(_o.at("gasPrice")), toInt(_o.at("gasLimit")), importData(_o), toInt(_o.at("nonce"))) : + Transaction(toInt(_o.at("value")), toInt(_o.at("gasPrice")), toInt(_o.at("gasLimit")), Address(_o.at("to").get_str()), importData(_o), toInt(_o.at("nonce"))); + } + catch (Exception& _e) + { + cnote << "invalid transaction" << boost::diagnostic_information(_e); + } + } +} + +void ImportTest::importTransaction(json_spirit::mObject const& o_tr) +{ + importTransaction(o_tr, m_transaction); +} + +int ImportTest::compareStates(State const& _stateExpect, State const& _statePost, AccountMaskMap const _expectedStateOptions, WhenError _throw) +{ + #define CHECK(a,b) \ + { \ + if (_throw == WhenError::Throw) \ + { \ + TBOOST_CHECK_MESSAGE(a, b); \ + if (!a) \ + return 1; \ + } \ + else \ + {TBOOST_WARN_MESSAGE(a,b);} \ + } + + for (auto const& a: _stateExpect.addresses()) + { + CHECK(_statePost.addressInUse(a.first), "Check State: " << a.first << " missing expected address!"); + if (_statePost.addressInUse(a.first)) + { + AccountMask addressOptions(true); + if(_expectedStateOptions.size()) + { + try + { + addressOptions = _expectedStateOptions.at(a.first); + } + catch(std::out_of_range const&) + { + TBOOST_ERROR("expectedStateOptions map does not match expectedState in checkExpectedState!"); + break; + } + } + + if (addressOptions.hasBalance()) + CHECK((_stateExpect.balance(a.first) == _statePost.balance(a.first)), + "Check State: " << a.first << ": incorrect balance " << _statePost.balance(a.first) << ", expected " << _stateExpect.balance(a.first)); + + if (addressOptions.hasNonce()) + CHECK((_stateExpect.transactionsFrom(a.first) == _statePost.transactionsFrom(a.first)), + "Check State: " << a.first << ": incorrect nonce " << _statePost.transactionsFrom(a.first) << ", expected " << _stateExpect.transactionsFrom(a.first)); + + if (addressOptions.hasStorage()) + { + unordered_map<u256, u256> stateStorage = _statePost.storage(a.first); + for (auto const& s: _stateExpect.storage(a.first)) + CHECK((stateStorage[s.first] == s.second), + "Check State: " << a.first << ": incorrect storage [" << s.first << "] = " << toHex(stateStorage[s.first]) << ", expected [" << s.first << "] = " << toHex(s.second)); + + //Check for unexpected storage values + stateStorage = _stateExpect.storage(a.first); + for (auto const& s: _statePost.storage(a.first)) + CHECK((stateStorage[s.first] == s.second), + "Check State: " << a.first << ": incorrect storage [" << s.first << "] = " << toHex(s.second) << ", expected [" << s.first << "] = " << toHex(stateStorage[s.first])); + } + + if (addressOptions.hasCode()) + CHECK((_stateExpect.code(a.first) == _statePost.code(a.first)), + "Check State: " << a.first << ": incorrect code '" << toHex(_statePost.code(a.first)) << "', expected '" << toHex(_stateExpect.code(a.first)) << "'"); + } + } + return 0; +} + +int ImportTest::exportTest(bytes const& _output) +{ + int err = 0; + // export output + m_testObject["out"] = (_output.size() > 4096 && !Options::get().fulloutput) ? "#" + toString(_output.size()) : toHex(_output, 2, HexPrefix::Add); + + // compare expected output with post output + if (m_testObject.count("expectOut") > 0) + { + std::string warning = "Check State: Error! Unexpected output: " + m_testObject["out"].get_str() + " Expected: " + m_testObject["expectOut"].get_str(); + if (Options::get().checkState) + { + bool statement = (m_testObject["out"].get_str() == m_testObject["expectOut"].get_str()); + TBOOST_CHECK_MESSAGE(statement, warning); + if (!statement) + err = 1; + } + else + TBOOST_WARN_MESSAGE((m_testObject["out"].get_str() == m_testObject["expectOut"].get_str()), warning); + + m_testObject.erase(m_testObject.find("expectOut")); + } + + // export logs + m_testObject["logs"] = exportLog(m_logs); + + // compare expected state with post state + if (m_testObject.count("expect") > 0) + { + eth::AccountMaskMap stateMap; + State expectState(OverlayDB(), eth::BaseState::Empty); + importState(m_testObject["expect"].get_obj(), expectState, stateMap); + compareStates(expectState, m_statePost, stateMap, Options::get().checkState ? WhenError::Throw : WhenError::DontThrow); + m_testObject.erase(m_testObject.find("expect")); + } + + // export post state + m_testObject["post"] = fillJsonWithState(m_statePost); + m_testObject["postStateRoot"] = toHex(m_statePost.rootHash().asBytes()); + + // export pre state + m_testObject["pre"] = fillJsonWithState(m_statePre); + m_testObject["env"] = makeAllFieldsHex(m_testObject["env"].get_obj()); + m_testObject["transaction"] = makeAllFieldsHex(m_testObject["transaction"].get_obj()); + return err; +} + +json_spirit::mObject fillJsonWithTransaction(Transaction _txn) +{ + json_spirit::mObject txObject; + txObject["nonce"] = toCompactHex(_txn.nonce(), HexPrefix::Add, 1); + txObject["data"] = toHex(_txn.data(), 2, HexPrefix::Add); + txObject["gasLimit"] = toCompactHex(_txn.gas(), HexPrefix::Add, 1); + txObject["gasPrice"] = toCompactHex(_txn.gasPrice(), HexPrefix::Add, 1); + txObject["r"] = toCompactHex(_txn.signature().r, HexPrefix::Add, 1); + txObject["s"] = toCompactHex(_txn.signature().s, HexPrefix::Add, 1); + txObject["v"] = toCompactHex(_txn.signature().v + 27, HexPrefix::Add, 1); + txObject["to"] = _txn.isCreation() ? "" : toString(_txn.receiveAddress()); + txObject["value"] = toCompactHex(_txn.value(), HexPrefix::Add, 1); + return txObject; +} + +json_spirit::mObject fillJsonWithState(State _state) +{ + json_spirit::mObject oState; + for (auto const& a: _state.addresses()) + { + json_spirit::mObject o; + o["balance"] = toCompactHex(_state.balance(a.first), HexPrefix::Add, 1); + o["nonce"] = toCompactHex(_state.transactionsFrom(a.first), HexPrefix::Add, 1); + { + json_spirit::mObject store; + for (auto const& s: _state.storage(a.first)) + store[toCompactHex(s.first, HexPrefix::Add, 1)] = toCompactHex(s.second, HexPrefix::Add, 1); + o["storage"] = store; + } + o["code"] = toHex(_state.code(a.first), 2, HexPrefix::Add); + oState[toString(a.first)] = o; + } + return oState; +} + +json_spirit::mArray exportLog(eth::LogEntries _logs) +{ + json_spirit::mArray ret; + if (_logs.size() == 0) return ret; + for (LogEntry const& l: _logs) + { + json_spirit::mObject o; + o["address"] = toString(l.address); + json_spirit::mArray topics; + for (auto const& t: l.topics) + topics.push_back(toString(t)); + o["topics"] = topics; + o["data"] = toHex(l.data, 2, HexPrefix::Add); + o["bloom"] = toString(l.bloom()); + ret.push_back(o); + } + return ret; +} + +u256 toInt(json_spirit::mValue const& _v) +{ + switch (_v.type()) + { + case json_spirit::str_type: return u256(_v.get_str()); + case json_spirit::int_type: return (u256)_v.get_uint64(); + case json_spirit::bool_type: return (u256)(uint64_t)_v.get_bool(); + case json_spirit::real_type: return (u256)(uint64_t)_v.get_real(); + default: cwarn << "Bad type for scalar: " << _v.type(); + } + return 0; +} + +byte toByte(json_spirit::mValue const& _v) +{ + switch (_v.type()) + { + case json_spirit::str_type: return (byte)stoi(_v.get_str()); + case json_spirit::int_type: return (byte)_v.get_uint64(); + case json_spirit::bool_type: return (byte)_v.get_bool(); + case json_spirit::real_type: return (byte)_v.get_real(); + default: cwarn << "Bad type for scalar: " << _v.type(); + } + return 0; +} + +bytes importByteArray(std::string const& _str) +{ + return fromHex(_str.substr(0, 2) == "0x" ? _str.substr(2) : _str, WhenError::Throw); +} + +bytes importData(json_spirit::mObject const& _o) +{ + bytes data; + if (_o.at("data").type() == json_spirit::str_type) + data = importByteArray(_o.at("data").get_str()); + else + for (auto const& j: _o.at("data").get_array()) + data.push_back(toByte(j)); + return data; +} + +bytes importCode(json_spirit::mObject& _o) +{ + bytes code; + if (_o["code"].type() == json_spirit::str_type) + if (_o["code"].get_str().find("0x") != 0) + code = compileLLL(_o["code"].get_str(), false); + else + code = fromHex(_o["code"].get_str().substr(2)); + else if (_o["code"].type() == json_spirit::array_type) + { + code.clear(); + for (auto const& j: _o["code"].get_array()) + code.push_back(toByte(j)); + } + return code; +} + +LogEntries importLog(json_spirit::mArray& _a) +{ + LogEntries logEntries; + for (auto const& l: _a) + { + json_spirit::mObject o = l.get_obj(); + // cant use BOOST_REQUIRE, because this function is used outside boost test (createRandomTest) + assert(o.count("address") > 0); + assert(o.count("topics") > 0); + assert(o.count("data") > 0); + assert(o.count("bloom") > 0); + LogEntry log; + log.address = Address(o["address"].get_str()); + for (auto const& t: o["topics"].get_array()) + log.topics.push_back(h256(t.get_str())); + log.data = importData(o); + logEntries.push_back(log); + } + return logEntries; +} + +void checkOutput(bytes const& _output, json_spirit::mObject& _o) +{ + int j = 0; + + if (_o["out"].get_str().find("#") == 0) + {TBOOST_CHECK(((u256)_output.size() == toInt(_o["out"].get_str().substr(1))));} + else if (_o["out"].type() == json_spirit::array_type) + for (auto const& d: _o["out"].get_array()) + { + TBOOST_CHECK_MESSAGE((_output[j] == toInt(d)), "Output byte [" << j << "] different!"); + ++j; + } + else if (_o["out"].get_str().find("0x") == 0) + {TBOOST_CHECK((_output == fromHex(_o["out"].get_str().substr(2))));} + else + TBOOST_CHECK((_output == fromHex(_o["out"].get_str()))); +} + +void checkStorage(map<u256, u256> _expectedStore, map<u256, u256> _resultStore, Address _expectedAddr) +{ + _expectedAddr = _expectedAddr; //unsed parametr when macro + for (auto&& expectedStorePair : _expectedStore) + { + auto& expectedStoreKey = expectedStorePair.first; + auto resultStoreIt = _resultStore.find(expectedStoreKey); + if (resultStoreIt == _resultStore.end()) + {TBOOST_ERROR(_expectedAddr << ": missing store key " << expectedStoreKey);} + else + { + auto& expectedStoreValue = expectedStorePair.second; + auto& resultStoreValue = resultStoreIt->second; + TBOOST_CHECK_MESSAGE((expectedStoreValue == resultStoreValue), _expectedAddr << ": store[" << expectedStoreKey << "] = " << resultStoreValue << ", expected " << expectedStoreValue); + } + } + TBOOST_CHECK_EQUAL(_resultStore.size(), _expectedStore.size()); + for (auto&& resultStorePair: _resultStore) + { + if (!_expectedStore.count(resultStorePair.first)) + TBOOST_ERROR(_expectedAddr << ": unexpected store key " << resultStorePair.first); + } +} + +void checkLog(LogEntries _resultLogs, LogEntries _expectedLogs) +{ + TBOOST_REQUIRE_EQUAL(_resultLogs.size(), _expectedLogs.size()); + + for (size_t i = 0; i < _resultLogs.size(); ++i) + { + TBOOST_CHECK_EQUAL(_resultLogs[i].address, _expectedLogs[i].address); + TBOOST_CHECK_EQUAL(_resultLogs[i].topics, _expectedLogs[i].topics); + TBOOST_CHECK((_resultLogs[i].data == _expectedLogs[i].data)); + } +} + +void checkCallCreates(eth::Transactions _resultCallCreates, eth::Transactions _expectedCallCreates) +{ + TBOOST_REQUIRE_EQUAL(_resultCallCreates.size(), _expectedCallCreates.size()); + + for (size_t i = 0; i < _resultCallCreates.size(); ++i) + { + TBOOST_CHECK((_resultCallCreates[i].data() == _expectedCallCreates[i].data())); + TBOOST_CHECK((_resultCallCreates[i].receiveAddress() == _expectedCallCreates[i].receiveAddress())); + TBOOST_CHECK((_resultCallCreates[i].gas() == _expectedCallCreates[i].gas())); + TBOOST_CHECK((_resultCallCreates[i].value() == _expectedCallCreates[i].value())); + } +} + +void userDefinedTest(std::function<void(json_spirit::mValue&, bool)> doTests) +{ + if (!Options::get().singleTest) + return; + + if (Options::get().singleTestFile.empty() || Options::get().singleTestName.empty()) + { + cnote << "Missing user test specification\nUsage: testeth --singletest <filename> <testname>\n"; + return; + } + + auto& filename = Options::get().singleTestFile; + auto& testname = Options::get().singleTestName; + + if (g_logVerbosity != -1) + VerbosityHolder sentinel(12); + + try + { + cnote << "Testing user defined test: " << filename; + json_spirit::mValue v; + string s = contentsString(filename); + TBOOST_REQUIRE_MESSAGE((s.length() > 0), "Contents of " + filename + " is empty. "); + json_spirit::read_string(s, v); + json_spirit::mObject oSingleTest; + + json_spirit::mObject::const_iterator pos = v.get_obj().find(testname); + if (pos == v.get_obj().end()) + { + cnote << "Could not find test: " << testname << " in " << filename << "\n"; + return; + } + else + oSingleTest[pos->first] = pos->second; + + json_spirit::mValue v_singleTest(oSingleTest); + doTests(v_singleTest, test::Options::get().fillTests); + } + catch (Exception const& _e) + { + TBOOST_ERROR("Failed Test with Exception: " << diagnostic_information(_e)); + } + catch (std::exception const& _e) + { + TBOOST_ERROR("Failed Test with Exception: " << _e.what()); + } +} + +void executeTests(const string& _name, const string& _testPathAppendix, const boost::filesystem::path _pathToFiller, std::function<void(json_spirit::mValue&, bool)> doTests) +{ + string testPath = getTestPath(); + testPath += _testPathAppendix; + + if (Options::get().stats) + Listener::registerListener(Stats::get()); + + if (Options::get().fillTests) + { + try + { + cnote << "Populating tests..."; + json_spirit::mValue v; + boost::filesystem::path p(__FILE__); + string s = asString(dev::contents(_pathToFiller.string() + "/" + _name + "Filler.json")); + TBOOST_REQUIRE_MESSAGE((s.length() > 0), "Contents of " + _pathToFiller.string() + "/" + _name + "Filler.json is empty."); + json_spirit::read_string(s, v); + doTests(v, true); + writeFile(testPath + "/" + _name + ".json", asBytes(json_spirit::write_string(v, true))); + } + catch (Exception const& _e) + { + TBOOST_ERROR("Failed filling test with Exception: " << diagnostic_information(_e)); + } + catch (std::exception const& _e) + { + TBOOST_ERROR("Failed filling test with Exception: " << _e.what()); + } + } + + try + { + cnote << "TEST " << _name << ":"; + json_spirit::mValue v; + string s = asString(dev::contents(testPath + "/" + _name + ".json")); + TBOOST_REQUIRE_MESSAGE((s.length() > 0), "Contents of " + testPath + "/" + _name + ".json is empty. Have you cloned the 'tests' repo branch develop and set ETHEREUM_TEST_PATH to its path?"); + json_spirit::read_string(s, v); + Listener::notifySuiteStarted(_name); + doTests(v, false); + } + catch (Exception const& _e) + { + TBOOST_ERROR("Failed test with Exception: " << diagnostic_information(_e)); + } + catch (std::exception const& _e) + { + TBOOST_ERROR("Failed test with Exception: " << _e.what()); + } +} + +RLPStream createRLPStreamFromTransactionFields(json_spirit::mObject const& _tObj) +{ + //Construct Rlp of the given transaction + RLPStream rlpStream; + rlpStream.appendList(_tObj.size()); + + if (_tObj.count("nonce")) + rlpStream << bigint(_tObj.at("nonce").get_str()); + + if (_tObj.count("gasPrice")) + rlpStream << bigint(_tObj.at("gasPrice").get_str()); + + if (_tObj.count("gasLimit")) + rlpStream << bigint(_tObj.at("gasLimit").get_str()); + + if (_tObj.count("to")) + { + if (_tObj.at("to").get_str().empty()) + rlpStream << ""; + else + rlpStream << importByteArray(_tObj.at("to").get_str()); + } + + if (_tObj.count("value")) + rlpStream << bigint(_tObj.at("value").get_str()); + + if (_tObj.count("data")) + rlpStream << importData(_tObj); + + if (_tObj.count("v")) + rlpStream << bigint(_tObj.at("v").get_str()); + + if (_tObj.count("r")) + rlpStream << bigint(_tObj.at("r").get_str()); + + if (_tObj.count("s")) + rlpStream << bigint(_tObj.at("s").get_str()); + + if (_tObj.count("extrafield")) + rlpStream << bigint(_tObj.at("extrafield").get_str()); + + return rlpStream; +} + +Options::Options() +{ + auto argc = boost::unit_test::framework::master_test_suite().argc; + auto argv = boost::unit_test::framework::master_test_suite().argv; + + for (auto i = 0; i < argc; ++i) + { + auto arg = std::string{argv[i]}; + if (arg == "--vm" && i + 1 < argc) + { + string vmKind = argv[++i]; + if (vmKind == "interpreter") + VMFactory::setKind(VMKind::Interpreter); + else if (vmKind == "jit") + VMFactory::setKind(VMKind::JIT); + else if (vmKind == "smart") + VMFactory::setKind(VMKind::Smart); + else + cerr << "Unknown VM kind: " << vmKind << endl; + } + else if (arg == "--jit") // TODO: Remove deprecated option "--jit" + VMFactory::setKind(VMKind::JIT); + else if (arg == "--vmtrace") + vmtrace = true; + else if (arg == "--filltests") + fillTests = true; + else if (arg == "--stats" && i + 1 < argc) + { + stats = true; + statsOutFile = argv[i + 1]; + } + else if (arg == "--performance") + performance = true; + else if (arg == "--quadratic") + quadratic = true; + else if (arg == "--memory") + memory = true; + else if (arg == "--inputlimits") + inputLimits = true; + else if (arg == "--bigdata") + bigData = true; + else if (arg == "--checkstate") + checkState = true; + else if (arg == "--wallet") + wallet = true; + else if (arg == "--nonetwork") + nonetwork = true; + else if (arg == "--network") + nonetwork = false; + else if (arg == "--nodag") + nodag = true; + else if (arg == "--all") + { + performance = true; + quadratic = true; + memory = true; + inputLimits = true; + bigData = true; + wallet = true; + } + else if (arg == "--singletest" && i + 1 < argc) + { + singleTest = true; + auto name1 = std::string{argv[i + 1]}; + if (i + 1 < argc) // two params + { + auto name2 = std::string{argv[i + 2]}; + if (name2[0] == '-') // not param, another option + singleTestName = std::move(name1); + else + { + singleTestFile = std::move(name1); + singleTestName = std::move(name2); + } + } + else + singleTestName = std::move(name1); + } + else if (arg == "--fulloutput") + fulloutput = true; + else if (arg == "--verbosity" && i + 1 < argc) + { + static std::ostringstream strCout; //static string to redirect logs to + std::string indentLevel = std::string{argv[i + 1]}; + if (indentLevel == "0") + { + logVerbosity = Verbosity::None; + std::cout.rdbuf(strCout.rdbuf()); + std::cerr.rdbuf(strCout.rdbuf()); + } + else if (indentLevel == "1") + logVerbosity = Verbosity::NiceReport; + else + logVerbosity = Verbosity::Full; + } + } + + //Default option + if (logVerbosity == Verbosity::NiceReport) + g_logVerbosity = -1; //disable cnote but leave cerr and cout +} + +Options const& Options::get() +{ + static Options instance; + return instance; +} + +LastHashes lastHashes(u256 _currentBlockNumber) +{ + LastHashes ret; + for (u256 i = 1; i <= 256 && i <= _currentBlockNumber; ++i) + ret.push_back(sha3(toString(_currentBlockNumber - i))); + return ret; +} + +dev::eth::Ethash::BlockHeader constructHeader( + h256 const& _parentHash, + h256 const& _sha3Uncles, + Address const& _coinbaseAddress, + h256 const& _stateRoot, + h256 const& _transactionsRoot, + h256 const& _receiptsRoot, + dev::eth::LogBloom const& _logBloom, + u256 const& _difficulty, + u256 const& _number, + u256 const& _gasLimit, + u256 const& _gasUsed, + u256 const& _timestamp, + bytes const& _extraData) +{ + RLPStream rlpStream; + rlpStream.appendList(Ethash::BlockHeader::Fields); + + rlpStream << _parentHash << _sha3Uncles << _coinbaseAddress << _stateRoot << _transactionsRoot << _receiptsRoot << _logBloom + << _difficulty << _number << _gasLimit << _gasUsed << _timestamp << _extraData << h256{} << Nonce{}; + + return Ethash::BlockHeader(rlpStream.out(), CheckNothing, h256{}, HeaderData); +} + +void updateEthashSeal(dev::eth::Ethash::BlockHeader& _header, h256 const& _mixHash, dev::eth::Nonce const& _nonce) +{ + RLPStream source; + _header.streamRLP(source); + RLP sourceRlp(source.out()); + RLPStream header; + header.appendList(Ethash::BlockHeader::Fields); + for (size_t i = 0; i < BlockInfo::BasicFields; i++) + header << sourceRlp[i]; + + header << _mixHash << _nonce; + _header = Ethash::BlockHeader(header.out(), CheckNothing, h256{}, HeaderData); +} + +namespace +{ + Listener* g_listener; +} + +void Listener::registerListener(Listener& _listener) +{ + g_listener = &_listener; +} + +void Listener::notifySuiteStarted(std::string const& _name) +{ + if (g_listener) + g_listener->suiteStarted(_name); +} + +void Listener::notifyTestStarted(std::string const& _name) +{ + if (g_listener) + g_listener->testStarted(_name); +} + +void Listener::notifyTestFinished() +{ + if (g_listener) + g_listener->testFinished(); +} + +} } // namespaces diff --git a/test/TestHelper.h b/test/TestHelper.h new file mode 100644 index 00000000..e5cf1323 --- /dev/null +++ b/test/TestHelper.h @@ -0,0 +1,290 @@ +/* + 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 TestHelper.h + * @author Marko Simovic <markobarko@gmail.com> + * @date 2014 + */ + +#pragma once + +#include <functional> +#include <boost/test/unit_test.hpp> +#include <boost/filesystem.hpp> + +#include "JsonSpiritHeaders.h" +#include <libethcore/Ethash.h> +#include <libethereum/State.h> +#include <libevm/ExtVMFace.h> +#include <libtestutils/Common.h> + +#ifdef NOBOOST + #define TBOOST_REQUIRE(arg) if(arg == false) throw dev::Exception(); + #define TBOOST_REQUIRE_EQUAL(arg1, arg2) if(arg1 != arg2) throw dev::Exception(); + #define TBOOST_CHECK_EQUAL(arg1, arg2) if(arg1 != arg2) throw dev::Exception(); + #define TBOOST_CHECK(arg) if(arg == false) throw dev::Exception(); + #define TBOOST_REQUIRE_MESSAGE(arg1, arg2) if(arg1 == false) throw dev::Exception(); + #define TBOOST_CHECK_MESSAGE(arg1, arg2) if(arg1 == false) throw dev::Exception(); + #define TBOOST_WARN_MESSAGE(arg1, arg2) throw dev::Exception(); + #define TBOOST_ERROR(arg) throw dev::Exception(); +#else + #define TBOOST_REQUIRE(arg) BOOST_REQUIRE(arg) + #define TBOOST_REQUIRE_EQUAL(arg1, arg2) BOOST_REQUIRE_EQUAL(arg1, arg2) + #define TBOOST_CHECK(arg) BOOST_CHECK(arg) + #define TBOOST_CHECK_EQUAL(arg1, arg2) BOOST_CHECK_EQUAL(arg1, arg2) + #define TBOOST_CHECK_MESSAGE(arg1, arg2) BOOST_CHECK_MESSAGE(arg1, arg2) + #define TBOOST_REQUIRE_MESSAGE(arg1, arg2) BOOST_REQUIRE_MESSAGE(arg1, arg2) + #define TBOOST_WARN_MESSAGE(arg1, arg2) BOOST_WARN_MESSAGE(arg1, arg2) + #define TBOOST_ERROR(arg) BOOST_ERROR(arg) +#endif + +namespace dev +{ +namespace eth +{ + +class Client; +class State; + +void mine(Client& c, int numBlocks); +void connectClients(Client& c1, Client& c2); +void mine(Block& _s, BlockChain const& _bc); +void mine(Ethash::BlockHeader& _bi); + +} + +namespace test +{ + +/// Make sure that no Exception is thrown during testing. If one is thrown show its info and fail the test. +/// Our version of BOOST_REQUIRE_NO_THROW() +/// @param _statenent The statement for which to make sure no exceptions are thrown +/// @param _message A message to act as a prefix to the expression's error information +#define ETH_TEST_REQUIRE_NO_THROW(_statement, _message) \ + do \ + { \ + try \ + { \ + BOOST_TEST_PASSPOINT(); \ + _statement; \ + } \ + catch (boost::exception const& _e) \ + { \ + auto msg = std::string(_message " due to an exception thrown by " \ + BOOST_STRINGIZE(_statement) "\n") + boost::diagnostic_information(_e); \ + BOOST_CHECK_IMPL(false, msg, REQUIRE, CHECK_MSG); \ + } \ + catch (...) \ + { \ + BOOST_CHECK_IMPL(false, "Unknown exception thrown by " \ + BOOST_STRINGIZE(_statement), REQUIRE, CHECK_MSG); \ + } \ + } \ + while (0) + +/// Check if an Exception is thrown during testing. If one is thrown show its info and continue the test +/// Our version of BOOST_CHECK_NO_THROW() +/// @param _statement The statement for which to make sure no exceptions are thrown +/// @param _message A message to act as a prefix to the expression's error information +#define ETH_TEST_CHECK_NO_THROW(_statement, _message) \ + do \ + { \ + try \ + { \ + BOOST_TEST_PASSPOINT(); \ + _statement; \ + } \ + catch (boost::exception const& _e) \ + { \ + auto msg = std::string(_message " due to an exception thrown by " \ + BOOST_STRINGIZE(_statement) "\n") + boost::diagnostic_information(_e); \ + BOOST_CHECK_IMPL(false, msg, CHECK, CHECK_MSG); \ + } \ + catch (...) \ + { \ + BOOST_CHECK_IMPL(false, "Unknown exception thrown by " \ + BOOST_STRINGIZE(_statement), CHECK, CHECK_MSG ); \ + } \ + } \ + while (0) + +enum class testType +{ + StateTests, + BlockChainTests, + Other +}; + +class ImportTest +{ +public: + ImportTest(json_spirit::mObject& _o, bool isFiller, testType testTemplate = testType::StateTests); + + // imports + void importEnv(json_spirit::mObject& _o); + static void importState(json_spirit::mObject& _o, eth::State& _state); + static void importState(json_spirit::mObject& _o, eth::State& _state, eth::AccountMaskMap& o_mask); + static void importTransaction (json_spirit::mObject const& _o, eth::Transaction& o_tr); + void importTransaction(json_spirit::mObject const& _o); + static json_spirit::mObject& makeAllFieldsHex(json_spirit::mObject& _o); + + bytes executeTest(); + int exportTest(bytes const& _output); + static int compareStates(eth::State const& _stateExpect, eth::State const& _statePost, eth::AccountMaskMap const _expectedStateOptions = eth::AccountMaskMap(), WhenError _throw = WhenError::Throw); + + eth::State m_statePre; + eth::State m_statePost; + eth::EnvInfo m_envInfo; + eth::Transaction m_transaction; + eth::LogEntries m_logs; + eth::LogEntries m_logsExpected; + +private: + json_spirit::mObject& m_testObject; +}; + +class ZeroGasPricer: public eth::GasPricer +{ +protected: + u256 ask(eth::Block const&) const override { return 0; } + u256 bid(eth::TransactionPriority = eth::TransactionPriority::Medium) const override { return 0; } +}; + +// helping functions +u256 toInt(json_spirit::mValue const& _v); +byte toByte(json_spirit::mValue const& _v); +bytes importCode(json_spirit::mObject& _o); +bytes importData(json_spirit::mObject const& _o); +bytes importByteArray(std::string const& _str); +eth::LogEntries importLog(json_spirit::mArray& _o); +json_spirit::mArray exportLog(eth::LogEntries _logs); +void checkOutput(bytes const& _output, json_spirit::mObject& _o); +void checkStorage(std::map<u256, u256> _expectedStore, std::map<u256, u256> _resultStore, Address _expectedAddr); +void checkLog(eth::LogEntries _resultLogs, eth::LogEntries _expectedLogs); +void checkCallCreates(eth::Transactions _resultCallCreates, eth::Transactions _expectedCallCreates); +dev::eth::Ethash::BlockHeader constructHeader( + h256 const& _parentHash, + h256 const& _sha3Uncles, + Address const& _coinbaseAddress, + h256 const& _stateRoot, + h256 const& _transactionsRoot, + h256 const& _receiptsRoot, + dev::eth::LogBloom const& _logBloom, + u256 const& _difficulty, + u256 const& _number, + u256 const& _gasLimit, + u256 const& _gasUsed, + u256 const& _timestamp, + bytes const& _extraData); +void updateEthashSeal(dev::eth::Ethash::BlockHeader& _header, h256 const& _mixHash, dev::eth::Nonce const& _nonce); +void executeTests(const std::string& _name, const std::string& _testPathAppendix, const boost::filesystem::path _pathToFiller, std::function<void(json_spirit::mValue&, bool)> doTests); +void userDefinedTest(std::function<void(json_spirit::mValue&, bool)> doTests); +RLPStream createRLPStreamFromTransactionFields(json_spirit::mObject const& _tObj); +eth::LastHashes lastHashes(u256 _currentBlockNumber); +json_spirit::mObject fillJsonWithState(eth::State _state); +json_spirit::mObject fillJsonWithTransaction(eth::Transaction _txn); + +//Fill Test Functions +void doTransactionTests(json_spirit::mValue& _v, bool _fillin); +void doStateTests(json_spirit::mValue& v, bool _fillin); +void doVMTests(json_spirit::mValue& v, bool _fillin); +void doBlockchainTests(json_spirit::mValue& _v, bool _fillin); +void doRlpTests(json_spirit::mValue& v, bool _fillin); + +/*template<typename mapType> +void checkAddresses(mapType& _expectedAddrs, mapType& _resultAddrs) +{ + for (auto& resultPair : _resultAddrs) + { + auto& resultAddr = resultPair.first; + auto expectedAddrIt = _expectedAddrs.find(resultAddr); + if (expectedAddrIt == _expectedAddrs.end()) + TBOOST_ERROR("Missing result address " << resultAddr); + } + TBOOST_CHECK((_expectedAddrs == _resultAddrs)); +}*/ + +enum class Verbosity +{ + Full, + NiceReport, + None +}; + +class Options +{ +public: + bool vmtrace = false; ///< Create EVM execution tracer // TODO: Link with log verbosity? + bool fillTests = false; ///< Create JSON test files from execution results + bool stats = false; ///< Execution time stats + std::string statsOutFile; ///< Stats output file. "out" for standard output + bool checkState = false;///< Throw error when checking test states + bool fulloutput = false;///< Replace large output to just it's length + Verbosity logVerbosity = Verbosity::NiceReport; + + /// Test selection + /// @{ + bool singleTest = false; + std::string singleTestFile; + std::string singleTestName; + bool performance = false; + bool quadratic = false; + bool memory = false; + bool inputLimits = false; + bool bigData = false; + bool wallet = false; + bool nonetwork = true; + bool nodag = true; + /// @} + + /// Get reference to options + /// The first time used, options are parsed + static Options const& get(); + +private: + Options(); + Options(Options const&) = delete; +}; + +/// Allows observing test execution process. +/// This class also provides methods for registering and notifying the listener +class Listener +{ +public: + virtual ~Listener() = default; + + virtual void suiteStarted(std::string const&) {} + virtual void testStarted(std::string const& _name) = 0; + virtual void testFinished() = 0; + + static void registerListener(Listener& _listener); + static void notifySuiteStarted(std::string const& _name); + static void notifyTestStarted(std::string const& _name); + static void notifyTestFinished(); + + /// Test started/finished notification RAII helper + class ExecTimeGuard + { + public: + ExecTimeGuard(std::string const& _testName) { notifyTestStarted(_testName); } + ~ExecTimeGuard() { notifyTestFinished(); } + ExecTimeGuard(ExecTimeGuard const&) = delete; + ExecTimeGuard& operator=(ExecTimeGuard) = delete; + }; +}; + +} +} diff --git a/test/TestUtils.cpp b/test/TestUtils.cpp new file mode 100644 index 00000000..5e0619c0 --- /dev/null +++ b/test/TestUtils.cpp @@ -0,0 +1,122 @@ +/* + 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 TestUtils.cpp + * @author Marek Kotewicz <marek@ethdev.com> + * @date 2015 + */ + +#include <thread> +#include <boost/test/unit_test.hpp> +#include <boost/filesystem.hpp> +#include <libdevcrypto/Common.h> +#include <libtestutils/Common.h> +#include <libtestutils/BlockChainLoader.h> +#include <libtestutils/FixedClient.h> +#include "TestUtils.h" + +using namespace std; +using namespace dev; +using namespace dev::eth; +using namespace dev::test; + +namespace dev +{ +namespace test +{ + +bool getCommandLineOption(std::string const& _name); +std::string getCommandLineArgument(std::string const& _name, bool _require = false); + +} +} + +bool dev::test::getCommandLineOption(string const& _name) +{ + auto argc = boost::unit_test::framework::master_test_suite().argc; + auto argv = boost::unit_test::framework::master_test_suite().argv; + bool result = false; + for (auto i = 0; !result && i < argc; ++i) + result = _name == argv[i]; + return result; +} + +std::string dev::test::getCommandLineArgument(string const& _name, bool _require) +{ + auto argc = boost::unit_test::framework::master_test_suite().argc; + auto argv = boost::unit_test::framework::master_test_suite().argv; + for (auto i = 1; i < argc; ++i) + { + string str = argv[i]; + if (_name == str.substr(0, _name.size())) + return str.substr(str.find("=") + 1); + } + if (_require) + BOOST_ERROR("Failed getting command line argument: " << _name << " from: " << argv); + return ""; +} + +LoadTestFileFixture::LoadTestFileFixture() +{ + m_json = loadJsonFromFile(toTestFilePath(getCommandLineArgument("--eth_testfile"))); +} + +void ParallelFixture::enumerateThreads(std::function<void()> callback) const +{ + size_t threadsCount = std::stoul(getCommandLineArgument("--eth_threads"), nullptr, 10); + + vector<thread> workers; + for (size_t i = 0; i < threadsCount; i++) + workers.emplace_back(callback); + + for_each(workers.begin(), workers.end(), [](thread &t) + { + t.join(); + }); +} + +void BlockChainFixture::enumerateBlockchains(std::function<void(Json::Value const&, dev::eth::BlockChain const&, State state)> callback) const +{ + for (string const& name: m_json.getMemberNames()) + { + BlockChainLoader bcl(m_json[name]); + callback(m_json[name], bcl.bc(), bcl.state()); + } +} + +void ClientBaseFixture::enumerateClients(std::function<void(Json::Value const&, dev::eth::ClientBase&)> callback) const +{ + enumerateBlockchains([&callback](Json::Value const& _json, BlockChain const& _bc, State _state) -> void + { + cerr << "void ClientBaseFixture::enumerateClients. FixedClient now accepts block not sate!" << endl; + _state.commit(); //unused variable. remove this line + FixedClient client(_bc, eth::Block {}); + callback(_json, client); + }); +} + +void ParallelClientBaseFixture::enumerateClients(std::function<void(Json::Value const&, dev::eth::ClientBase&)> callback) const +{ + ClientBaseFixture::enumerateClients([this, &callback](Json::Value const& _json, dev::eth::ClientBase& _client) -> void + { + // json is being copied here + enumerateThreads([callback, _json, &_client]() -> void + { + callback(_json, _client); + }); + }); +} + diff --git a/test/TestUtils.h b/test/TestUtils.h new file mode 100644 index 00000000..a7a0eacf --- /dev/null +++ b/test/TestUtils.h @@ -0,0 +1,83 @@ +/* + 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 TestUtils.h + * @author Marek Kotewicz <marek@ethdev.com> + * @date 2015 + */ + +#pragma once + +#include <functional> +#include <string> +#include <json/json.h> +#include <libdevcore/TransientDirectory.h> +#include <libethereum/BlockChain.h> +#include <libethereum/ClientBase.h> + +namespace dev +{ +namespace test +{ + +// should be used for multithread tests +static SharedMutex x_boostTest; +#define ETH_CHECK_EQUAL(x, y) { dev::WriteGuard(x_boostTest); BOOST_CHECK_EQUAL(x, y); } +#define ETH_CHECK_EQUAL_COLLECTIONS(xb, xe, yb, ye) { dev::WriteGuard(x_boostTest); BOOST_CHECK_EQUAL_COLLECTIONS(xb, xe, yb, ye); } +#define ETH_REQUIRE(x) { dev::WriteGuard(x_boostTest); BOOST_REQUIRE(x); } + +struct LoadTestFileFixture +{ + LoadTestFileFixture(); + +protected: + Json::Value m_json; +}; + +struct ParallelFixture +{ + void enumerateThreads(std::function<void()> callback) const; +}; + +struct BlockChainFixture: public LoadTestFileFixture +{ + void enumerateBlockchains(std::function<void(Json::Value const&, dev::eth::BlockChain const&, dev::eth::State state)> callback) const; +}; + +struct ClientBaseFixture: public BlockChainFixture +{ + void enumerateClients(std::function<void(Json::Value const&, dev::eth::ClientBase&)> callback) const; +}; + +// important BOOST TEST do have problems with thread safety!!! +// BOOST_CHECK is not thread safe +// BOOST_MESSAGE is not thread safe +// http://boost.2283326.n4.nabble.com/Is-boost-test-thread-safe-td3471644.html +// http://lists.boost.org/boost-users/2010/03/57691.php +// worth reading +// https://codecrafter.wordpress.com/2012/11/01/c-unit-test-framework-adapter-part-3/ +struct ParallelClientBaseFixture: public ClientBaseFixture, public ParallelFixture +{ + void enumerateClients(std::function<void(Json::Value const&, dev::eth::ClientBase&)> callback) const; +}; + +struct JsonRpcFixture: public ClientBaseFixture +{ + +}; + +} +} diff --git a/test/boostTest.cpp b/test/boostTest.cpp new file mode 100644 index 00000000..f448c48e --- /dev/null +++ b/test/boostTest.cpp @@ -0,0 +1,92 @@ +/* + 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 boostTest.cpp + * @author Marko Simovic <markobarko@gmail.com> + * @date 2014 + * Stub for generating main boost.test module. + * Original code taken from boost sources. + */ + +#define BOOST_TEST_MODULE EthereumTests +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wunused-parameter" +//#define BOOST_DISABLE_WIN32 //disables SEH warning +#define BOOST_TEST_NO_MAIN +#include <boost/test/included/unit_test.hpp> +#pragma GCC diagnostic pop + +#include <test/TestHelper.h> +using namespace boost::unit_test; + +//Custom Boost Initialization +test_suite* init_func( int argc, char* argv[] ) +{ + if (argc == 0) + argv[1]=(char*)"a"; + + dev::test::Options::get(); + + return 0; +} + +//Custom Boost Unit Test Main +int main( int argc, char* argv[] ) +{ + try + { + framework::init( init_func, argc, argv ); + + if( !runtime_config::test_to_run().is_empty() ) + { + test_case_filter filter( runtime_config::test_to_run() ); + + traverse_test_tree( framework::master_test_suite().p_id, filter ); + } + + framework::run(); + + results_reporter::make_report(); + + return runtime_config::no_result_code() + ? boost::exit_success + : results_collector.results( framework::master_test_suite().p_id ).result_code(); + } + catch (framework::nothing_to_test const&) + { + return boost::exit_success; + } + catch (framework::internal_error const& ex) + { + results_reporter::get_stream() << "Boost.Test framework internal error: " << ex.what() << std::endl; + + return boost::exit_exception_failure; + } + catch (framework::setup_error const& ex) + { + results_reporter::get_stream() << "Test setup error: " << ex.what() << std::endl; + + return boost::exit_exception_failure; + } + catch (...) + { + results_reporter::get_stream() << "Boost.Test framework internal error: unknown reason" << std::endl; + + return boost::exit_exception_failure; + } + + return 0; +} diff --git a/test/contracts/AuctionRegistrar.cpp b/test/contracts/AuctionRegistrar.cpp new file mode 100644 index 00000000..7c5d9fa3 --- /dev/null +++ b/test/contracts/AuctionRegistrar.cpp @@ -0,0 +1,497 @@ +/* + 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/>. +*/ +/** + * @author Christian <c@ethdev.com> + * @date 2015 + * Tests for a fixed fee registrar contract. + */ + +#include <string> +#include <tuple> +#include <boost/test/unit_test.hpp> +#include <libdevcore/Hash.h> +#include <libethcore/ABI.h> +#include <test/libsolidity/solidityExecutionFramework.h> + +using namespace std; + +namespace dev +{ +namespace solidity +{ +namespace test +{ + +namespace +{ + +static char const* registrarCode = R"DELIMITER( +//sol + +contract NameRegister { + function addr(string _name) constant returns (address o_owner); + function name(address _owner) constant returns (string o_name); +} + +contract Registrar is NameRegister { + event Changed(string indexed name); + event PrimaryChanged(string indexed name, address indexed addr); + + function owner(string _name) constant returns (address o_owner); + function addr(string _name) constant returns (address o_address); + function subRegistrar(string _name) constant returns (address o_subRegistrar); + function content(string _name) constant returns (bytes32 o_content); + + function name(address _owner) constant returns (string o_name); +} + +contract AuctionSystem { + event AuctionEnded(string indexed _name, address _winner); + event NewBid(string indexed _name, address _bidder, uint _value); + + /// Function that is called once an auction ends. + function onAuctionEnd(string _name) internal; + + function bid(string _name, address _bidder, uint _value) internal { + var auction = m_auctions[_name]; + if (auction.endDate > 0 && now > auction.endDate) + { + AuctionEnded(_name, auction.highestBidder); + onAuctionEnd(_name); + delete m_auctions[_name]; + return; + } + if (msg.value > auction.highestBid) + { + // new bid on auction + auction.secondHighestBid = auction.highestBid; + auction.sumOfBids += _value; + auction.highestBid = _value; + auction.highestBidder = _bidder; + auction.endDate = now + c_biddingTime; + + NewBid(_name, _bidder, _value); + } + } + + uint constant c_biddingTime = 7 days; + + struct Auction { + address highestBidder; + uint highestBid; + uint secondHighestBid; + uint sumOfBids; + uint endDate; + } + mapping(string => Auction) m_auctions; +} + +contract GlobalRegistrar is Registrar, AuctionSystem { + struct Record { + address owner; + address primary; + address subRegistrar; + bytes32 content; + uint renewalDate; + } + + uint constant c_renewalInterval = 1 years; + uint constant c_freeBytes = 12; + + function Registrar() { + // TODO: Populate with hall-of-fame. + } + + function() { + // prevent people from just sending funds to the registrar + __throw(); + } + + function onAuctionEnd(string _name) internal { + var auction = m_auctions[_name]; + var record = m_toRecord[_name]; + if (record.owner != 0) + record.owner.send(auction.sumOfBids - auction.highestBid / 100); + else + auction.highestBidder.send(auction.highestBid - auction.secondHighestBid); + record.renewalDate = now + c_renewalInterval; + record.owner = auction.highestBidder; + Changed(_name); + } + + function reserve(string _name) external { + if (bytes(_name).length == 0) + __throw(); + bool needAuction = requiresAuction(_name); + if (needAuction) + { + if (now < m_toRecord[_name].renewalDate) + __throw(); + bid(_name, msg.sender, msg.value); + } + else + { + Record record = m_toRecord[_name]; + if (record.owner != 0) + __throw(); + m_toRecord[_name].owner = msg.sender; + Changed(_name); + } + } + + function requiresAuction(string _name) internal returns (bool) { + return bytes(_name).length < c_freeBytes; + } + + modifier onlyrecordowner(string _name) { if (m_toRecord[_name].owner == msg.sender) _ } + + function transfer(string _name, address _newOwner) onlyrecordowner(_name) { + m_toRecord[_name].owner = _newOwner; + Changed(_name); + } + + function disown(string _name) onlyrecordowner(_name) { + if (stringsEqual(m_toName[m_toRecord[_name].primary], _name)) + { + PrimaryChanged(_name, m_toRecord[_name].primary); + m_toName[m_toRecord[_name].primary] = ""; + } + delete m_toRecord[_name]; + Changed(_name); + } + + function setAddress(string _name, address _a, bool _primary) onlyrecordowner(_name) { + m_toRecord[_name].primary = _a; + if (_primary) + { + PrimaryChanged(_name, _a); + m_toName[_a] = _name; + } + Changed(_name); + } + function setSubRegistrar(string _name, address _registrar) onlyrecordowner(_name) { + m_toRecord[_name].subRegistrar = _registrar; + Changed(_name); + } + function setContent(string _name, bytes32 _content) onlyrecordowner(_name) { + m_toRecord[_name].content = _content; + Changed(_name); + } + + function stringsEqual(string storage _a, string memory _b) internal returns (bool) { + bytes storage a = bytes(_a); + bytes memory b = bytes(_b); + if (a.length != b.length) + return false; + // @todo unroll this loop + for (uint i = 0; i < a.length; i ++) + if (a[i] != b[i]) + return false; + return true; + } + + function owner(string _name) constant returns (address) { return m_toRecord[_name].owner; } + function addr(string _name) constant returns (address) { return m_toRecord[_name].primary; } + function subRegistrar(string _name) constant returns (address) { return m_toRecord[_name].subRegistrar; } + function content(string _name) constant returns (bytes32) { return m_toRecord[_name].content; } + function name(address _addr) constant returns (string o_name) { return m_toName[_addr]; } + + function __throw() internal { + // workaround until we have "throw" + uint[] x; x[1]; + } + + mapping (address => string) m_toName; + mapping (string => Record) m_toRecord; +} +)DELIMITER"; + +static unique_ptr<bytes> s_compiledRegistrar; + +class AuctionRegistrarTestFramework: public ExecutionFramework +{ +protected: + void deployRegistrar() + { + if (!s_compiledRegistrar) + { + m_optimize = true; + m_compiler.reset(false, m_addStandardSources); + m_compiler.addSource("", registrarCode); + ETH_TEST_REQUIRE_NO_THROW(m_compiler.compile(m_optimize, m_optimizeRuns), "Compiling contract failed"); + s_compiledRegistrar.reset(new bytes(m_compiler.getBytecode("GlobalRegistrar"))); + } + sendMessage(*s_compiledRegistrar, true); + BOOST_REQUIRE(!m_output.empty()); + } + + using ContractInterface = ExecutionFramework::ContractInterface; + class RegistrarInterface: public ContractInterface + { + public: + RegistrarInterface(ExecutionFramework& _framework): ContractInterface(_framework) {} + void reserve(string const& _name) + { + callString("reserve", _name); + } + u160 owner(string const& _name) + { + return callStringReturnsAddress("owner", _name); + } + void setAddress(string const& _name, u160 const& _address, bool _primary) + { + callStringAddressBool("setAddress", _name, _address, _primary); + } + u160 addr(string const& _name) + { + return callStringReturnsAddress("addr", _name); + } + string name(u160 const& _addr) + { + return callAddressReturnsString("name", _addr); + } + void setSubRegistrar(string const& _name, u160 const& _address) + { + callStringAddress("setSubRegistrar", _name, _address); + } + u160 subRegistrar(string const& _name) + { + return callStringReturnsAddress("subRegistrar", _name); + } + void setContent(string const& _name, h256 const& _content) + { + callStringBytes32("setContent", _name, _content); + } + h256 content(string const& _name) + { + return callStringReturnsBytes32("content", _name); + } + void transfer(string const& _name, u160 const& _target) + { + return callStringAddress("transfer", _name, _target); + } + void disown(string const& _name) + { + return callString("disown", _name); + } + }; + + u256 const m_biddingTime = u256(7 * 24 * 3600); + u256 const m_renewalInterval = u256(365 * 24 * 3600); +}; + +} + +/// This is a test suite that tests optimised code! +BOOST_FIXTURE_TEST_SUITE(SolidityAuctionRegistrar, AuctionRegistrarTestFramework) + +BOOST_AUTO_TEST_CASE(creation) +{ + deployRegistrar(); +} + +BOOST_AUTO_TEST_CASE(reserve) +{ + // Test that reserving works for long strings + deployRegistrar(); + vector<string> names{"abcabcabcabcabc", "defdefdefdefdef", "ghighighighighighighighighighighighighighighi"}; + m_sender = Address(0x123); + + RegistrarInterface registrar(*this); + + // should not work + registrar.reserve(""); + BOOST_CHECK_EQUAL(registrar.owner(""), u160(0)); + + for (auto const& name: names) + { + registrar.reserve(name); + BOOST_CHECK_EQUAL(registrar.owner(name), u160(0x123)); + } +} + +BOOST_AUTO_TEST_CASE(double_reserve_long) +{ + // Test that it is not possible to re-reserve from a different address. + deployRegistrar(); + string name = "abcabcabcabcabcabcabcabcabcabca"; + m_sender = Address(0x123); + RegistrarInterface registrar(*this); + registrar.reserve(name); + BOOST_CHECK_EQUAL(registrar.owner(name), u160(0x123)); + + m_sender = Address(0x124); + registrar.reserve(name); + BOOST_CHECK_EQUAL(registrar.owner(name), u160(0x123)); +} + +BOOST_AUTO_TEST_CASE(properties) +{ + // Test setting and retrieving the various properties works. + deployRegistrar(); + RegistrarInterface registrar(*this); + string names[] = {"abcaeouoeuaoeuaoeu", "defncboagufra,fui", "ghagpyajfbcuajouhaeoi"}; + size_t addr = 0x9872543; + for (string const& name: names) + { + addr++; + size_t sender = addr + 10007; + m_sender = Address(sender); + // setting by sender works + registrar.reserve(name); + BOOST_CHECK_EQUAL(registrar.owner(name), u160(sender)); + registrar.setAddress(name, addr, true); + BOOST_CHECK_EQUAL(registrar.addr(name), u160(addr)); + registrar.setSubRegistrar(name, addr + 20); + BOOST_CHECK_EQUAL(registrar.subRegistrar(name), u160(addr + 20)); + registrar.setContent(name, h256(u256(addr + 90))); + BOOST_CHECK_EQUAL(registrar.content(name), h256(u256(addr + 90))); + + // but not by someone else + m_sender = Address(h256(addr + 10007 - 1)); + BOOST_CHECK_EQUAL(registrar.owner(name), u160(sender)); + registrar.setAddress(name, addr + 1, true); + BOOST_CHECK_EQUAL(registrar.addr(name), u160(addr)); + registrar.setSubRegistrar(name, addr + 20 + 1); + BOOST_CHECK_EQUAL(registrar.subRegistrar(name), u160(addr + 20)); + registrar.setContent(name, h256(u256(addr + 90 + 1))); + BOOST_CHECK_EQUAL(registrar.content(name), h256(u256(addr + 90))); + } +} + +BOOST_AUTO_TEST_CASE(transfer) +{ + deployRegistrar(); + string name = "abcaoeguaoucaeoduceo"; + m_sender = Address(0x123); + RegistrarInterface registrar(*this); + registrar.reserve(name); + registrar.setContent(name, h256(u256(123))); + registrar.transfer(name, u160(555)); + BOOST_CHECK_EQUAL(registrar.owner(name), u160(555)); + BOOST_CHECK_EQUAL(registrar.content(name), h256(u256(123))); +} + +BOOST_AUTO_TEST_CASE(disown) +{ + deployRegistrar(); + string name = "abcaoeguaoucaeoduceo"; + m_sender = Address(0x123); + RegistrarInterface registrar(*this); + registrar.reserve(name); + registrar.setContent(name, h256(u256(123))); + registrar.setAddress(name, u160(124), true); + registrar.setSubRegistrar(name, u160(125)); + BOOST_CHECK_EQUAL(registrar.name(u160(124)), name); + + // someone else tries disowning + m_sender = Address(0x128); + registrar.disown(name); + BOOST_CHECK_EQUAL(registrar.owner(name), 0x123); + + m_sender = Address(0x123); + registrar.disown(name); + BOOST_CHECK_EQUAL(registrar.owner(name), 0); + BOOST_CHECK_EQUAL(registrar.addr(name), 0); + BOOST_CHECK_EQUAL(registrar.subRegistrar(name), 0); + BOOST_CHECK_EQUAL(registrar.content(name), h256()); + BOOST_CHECK_EQUAL(registrar.name(u160(124)), ""); +} + +BOOST_AUTO_TEST_CASE(auction_simple) +{ + deployRegistrar(); + string name = "x"; + m_sender = Address(0x123); + RegistrarInterface registrar(*this); + // initiate auction + registrar.setNextValue(8); + registrar.reserve(name); + BOOST_CHECK_EQUAL(registrar.owner(name), 0); + // "wait" until auction end + m_envInfo.setTimestamp(m_envInfo.timestamp() + m_biddingTime + 10); + // trigger auction again + registrar.reserve(name); + BOOST_CHECK_EQUAL(registrar.owner(name), 0x123); +} + +BOOST_AUTO_TEST_CASE(auction_bidding) +{ + deployRegistrar(); + string name = "x"; + m_sender = Address(0x123); + RegistrarInterface registrar(*this); + // initiate auction + registrar.setNextValue(8); + registrar.reserve(name); + BOOST_CHECK_EQUAL(registrar.owner(name), 0); + // overbid self + m_envInfo.setTimestamp(m_biddingTime - 10); + registrar.setNextValue(12); + registrar.reserve(name); + // another bid by someone else + m_sender = Address(0x124); + m_envInfo.setTimestamp(2 * m_biddingTime - 50); + registrar.setNextValue(13); + registrar.reserve(name); + BOOST_CHECK_EQUAL(registrar.owner(name), 0); + // end auction by first bidder (which is not highest) trying to overbid again (too late) + m_sender = Address(0x123); + m_envInfo.setTimestamp(4 * m_biddingTime); + registrar.setNextValue(20); + registrar.reserve(name); + BOOST_CHECK_EQUAL(registrar.owner(name), 0x124); +} + +BOOST_AUTO_TEST_CASE(auction_renewal) +{ + deployRegistrar(); + string name = "x"; + RegistrarInterface registrar(*this); + // register name by auction + m_sender = Address(0x123); + registrar.setNextValue(8); + registrar.reserve(name); + m_envInfo.setTimestamp(4 * m_biddingTime); + registrar.reserve(name); + BOOST_CHECK_EQUAL(registrar.owner(name), 0x123); + + // try to re-register before interval end + m_sender = Address(0x222); + registrar.setNextValue(80); + m_envInfo.setTimestamp(m_envInfo.timestamp() + m_renewalInterval - 1); + registrar.reserve(name); + m_envInfo.setTimestamp(m_envInfo.timestamp() + m_biddingTime); + // if there is a bug in the renewal logic, this would transfer the ownership to 0x222, + // but if there is no bug, this will initiate the auction, albeit with a zero bid + registrar.reserve(name); + BOOST_CHECK_EQUAL(registrar.owner(name), 0x123); + + m_envInfo.setTimestamp(m_envInfo.timestamp() + 2); + registrar.setNextValue(80); + registrar.reserve(name); + BOOST_CHECK_EQUAL(registrar.owner(name), 0x123); + m_envInfo.setTimestamp(m_envInfo.timestamp() + m_biddingTime + 2); + registrar.reserve(name); + BOOST_CHECK_EQUAL(registrar.owner(name), 0x222); +} + +BOOST_AUTO_TEST_SUITE_END() + +} +} +} // end namespaces diff --git a/test/contracts/CMakeLists.txt b/test/contracts/CMakeLists.txt new file mode 100644 index 00000000..3ceda13b --- /dev/null +++ b/test/contracts/CMakeLists.txt @@ -0,0 +1,5 @@ +cmake_policy(SET CMP0015 NEW) + +aux_source_directory(. SRCS) + +add_sources(${SRCS}) diff --git a/test/contracts/FixedFeeRegistrar.cpp b/test/contracts/FixedFeeRegistrar.cpp new file mode 100644 index 00000000..ed2ecf0a --- /dev/null +++ b/test/contracts/FixedFeeRegistrar.cpp @@ -0,0 +1,242 @@ +/* + 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/>. +*/ +/** + * @author Christian <c@ethdev.com> + * @date 2015 + * Tests for a fixed fee registrar contract. + */ + +#include <string> +#include <tuple> +#include <boost/test/unit_test.hpp> +#include <libdevcore/Hash.h> +#include <test/libsolidity/solidityExecutionFramework.h> + +using namespace std; + +namespace dev +{ +namespace solidity +{ +namespace test +{ + +namespace +{ + +static char const* registrarCode = R"DELIMITER( +//sol FixedFeeRegistrar +// Simple global registrar with fixed-fee reservations. +// @authors: +// Gav Wood <g@ethdev.com> + +contract Registrar { + event Changed(string indexed name); + + function owner(string _name) constant returns (address o_owner); + function addr(string _name) constant returns (address o_address); + function subRegistrar(string _name) constant returns (address o_subRegistrar); + function content(string _name) constant returns (bytes32 o_content); +} + +contract FixedFeeRegistrar is Registrar { + struct Record { + address addr; + address subRegistrar; + bytes32 content; + address owner; + } + + modifier onlyrecordowner(string _name) { if (m_record(_name).owner == msg.sender) _ } + + function reserve(string _name) { + Record rec = m_record(_name); + if (rec.owner == 0 && msg.value >= c_fee) { + rec.owner = msg.sender; + Changed(_name); + } + } + function disown(string _name, address _refund) onlyrecordowner(_name) { + delete m_recordData[uint(sha3(_name)) / 8]; + _refund.send(c_fee); + Changed(_name); + } + function transfer(string _name, address _newOwner) onlyrecordowner(_name) { + m_record(_name).owner = _newOwner; + Changed(_name); + } + function setAddr(string _name, address _a) onlyrecordowner(_name) { + m_record(_name).addr = _a; + Changed(_name); + } + function setSubRegistrar(string _name, address _registrar) onlyrecordowner(_name) { + m_record(_name).subRegistrar = _registrar; + Changed(_name); + } + function setContent(string _name, bytes32 _content) onlyrecordowner(_name) { + m_record(_name).content = _content; + Changed(_name); + } + + function record(string _name) constant returns (address o_addr, address o_subRegistrar, bytes32 o_content, address o_owner) { + Record rec = m_record(_name); + o_addr = rec.addr; + o_subRegistrar = rec.subRegistrar; + o_content = rec.content; + o_owner = rec.owner; + } + function addr(string _name) constant returns (address) { return m_record(_name).addr; } + function subRegistrar(string _name) constant returns (address) { return m_record(_name).subRegistrar; } + function content(string _name) constant returns (bytes32) { return m_record(_name).content; } + function owner(string _name) constant returns (address) { return m_record(_name).owner; } + + Record[2**253] m_recordData; + function m_record(string _name) constant internal returns (Record storage o_record) { + return m_recordData[uint(sha3(_name)) / 8]; + } + uint constant c_fee = 69 ether; +} +)DELIMITER"; + +static unique_ptr<bytes> s_compiledRegistrar; + +class RegistrarTestFramework: public ExecutionFramework +{ +protected: + void deployRegistrar() + { + if (!s_compiledRegistrar) + { + m_optimize = true; + m_compiler.reset(false, m_addStandardSources); + m_compiler.addSource("", registrarCode); + ETH_TEST_REQUIRE_NO_THROW(m_compiler.compile(m_optimize, m_optimizeRuns), "Compiling contract failed"); + s_compiledRegistrar.reset(new bytes(m_compiler.getBytecode("FixedFeeRegistrar"))); + } + sendMessage(*s_compiledRegistrar, true); + BOOST_REQUIRE(!m_output.empty()); + } + u256 const m_fee = u256("69000000000000000000"); +}; + +} + +/// This is a test suite that tests optimised code! +BOOST_FIXTURE_TEST_SUITE(SolidityFixedFeeRegistrar, RegistrarTestFramework) + +BOOST_AUTO_TEST_CASE(creation) +{ + deployRegistrar(); +} + +BOOST_AUTO_TEST_CASE(reserve) +{ + // Test that reserving works and fee is taken into account. + deployRegistrar(); + string name[] = {"abc", "def", "ghi"}; + m_sender = Address(0x123); + BOOST_REQUIRE(callContractFunctionWithValue("reserve(string)", m_fee, encodeDyn(name[0])) == encodeArgs()); + BOOST_CHECK(callContractFunction("owner(string)", encodeDyn(name[0])) == encodeArgs(h256(0x123))); + BOOST_REQUIRE(callContractFunctionWithValue("reserve(string)", m_fee + 1, encodeDyn(name[1])) == encodeArgs()); + BOOST_CHECK(callContractFunction("owner(string)", encodeDyn(name[1])) == encodeArgs(h256(0x123))); + BOOST_REQUIRE(callContractFunctionWithValue("reserve(string)", m_fee - 1, encodeDyn(name[2])) == encodeArgs()); + BOOST_CHECK(callContractFunction("owner(string)", encodeDyn(name[2])) == encodeArgs(h256(0))); +} + +BOOST_AUTO_TEST_CASE(double_reserve) +{ + // Test that it is not possible to re-reserve from a different address. + deployRegistrar(); + string name = "abc"; + m_sender = Address(0x123); + BOOST_REQUIRE(callContractFunctionWithValue("reserve(string)", m_fee, encodeDyn(name)) == encodeArgs()); + BOOST_CHECK(callContractFunction("owner(string)", encodeDyn(name)) == encodeArgs(h256(0x123))); + + m_sender = Address(0x124); + BOOST_REQUIRE(callContractFunctionWithValue("reserve(string)", m_fee, encodeDyn(name)) == encodeArgs()); + BOOST_CHECK(callContractFunction("owner(string)", encodeDyn(name)) == encodeArgs(h256(0x123))); +} + +BOOST_AUTO_TEST_CASE(properties) +{ + // Test setting and retrieving the various properties works. + deployRegistrar(); + string names[] = {"abc", "def", "ghi"}; + size_t addr = 0x9872543; + for (string const& name: names) + { + addr++; + size_t sender = addr + 10007; + m_sender = Address(sender); + // setting by sender works + BOOST_REQUIRE(callContractFunctionWithValue("reserve(string)", m_fee, encodeDyn(name)) == encodeArgs()); + BOOST_CHECK(callContractFunction("owner(string)", encodeDyn(name)) == encodeArgs(u256(sender))); + BOOST_CHECK(callContractFunction("setAddr(string,address)", u256(0x40), u256(addr), u256(name.length()), name) == encodeArgs()); + BOOST_CHECK(callContractFunction("addr(string)", encodeDyn(name)) == encodeArgs(addr)); + BOOST_CHECK(callContractFunction("setSubRegistrar(string,address)", u256(0x40), addr + 20, u256(name.length()), name) == encodeArgs()); + BOOST_CHECK(callContractFunction("subRegistrar(string)", encodeDyn(name)) == encodeArgs(addr + 20)); + BOOST_CHECK(callContractFunction("setContent(string,bytes32)", u256(0x40), addr + 90, u256(name.length()), name) == encodeArgs()); + BOOST_CHECK(callContractFunction("content(string)", encodeDyn(name)) == encodeArgs(addr + 90)); + // but not by someone else + m_sender = Address(h256(addr + 10007 - 1)); + BOOST_CHECK(callContractFunction("owner(string)", encodeDyn(name)) == encodeArgs(sender)); + BOOST_CHECK(callContractFunction("setAddr(string,address)", u256(0x40), addr + 1, u256(name.length()), name) == encodeArgs()); + BOOST_CHECK(callContractFunction("addr(string)", encodeDyn(name)) == encodeArgs(addr)); + BOOST_CHECK(callContractFunction("setSubRegistrar(string,address)", u256(0x40), addr + 20 + 1, u256(name.length()), name) == encodeArgs()); + BOOST_CHECK(callContractFunction("subRegistrar(string)", encodeDyn(name)) == encodeArgs(addr + 20)); + BOOST_CHECK(callContractFunction("setContent(string,bytes32)", u256(0x40), addr + 90 + 1, u256(name.length()), name) == encodeArgs()); + BOOST_CHECK(callContractFunction("content(string)", encodeDyn(name)) == encodeArgs(addr + 90)); + } +} + +BOOST_AUTO_TEST_CASE(transfer) +{ + deployRegistrar(); + string name = "abc"; + m_sender = Address(0x123); + BOOST_REQUIRE(callContractFunctionWithValue("reserve(string)", m_fee, encodeDyn(name)) == encodeArgs()); + BOOST_CHECK(callContractFunction("setContent(string,bytes32)", u256(0x40), u256(123), u256(name.length()), name) == encodeArgs()); + BOOST_CHECK(callContractFunction("transfer(string,address)", u256(0x40), u256(555), u256(name.length()), name) == encodeArgs()); + BOOST_CHECK(callContractFunction("owner(string)", encodeDyn(name)) == encodeArgs(u256(555))); + BOOST_CHECK(callContractFunction("content(string)", encodeDyn(name)) == encodeArgs(u256(123))); +} + +BOOST_AUTO_TEST_CASE(disown) +{ + deployRegistrar(); + string name = "abc"; + m_sender = Address(0x123); + BOOST_REQUIRE(callContractFunctionWithValue("reserve(string)", m_fee, encodeDyn(name)) == encodeArgs()); + BOOST_CHECK(callContractFunction("setContent(string,bytes32)", u256(0x40), u256(123), u256(name.length()), name) == encodeArgs()); + BOOST_CHECK(callContractFunction("setAddr(string,address)", u256(0x40), u256(124), u256(name.length()), name) == encodeArgs()); + BOOST_CHECK(callContractFunction("setSubRegistrar(string,address)", u256(0x40), u256(125), u256(name.length()), name) == encodeArgs()); + + BOOST_CHECK_EQUAL(m_state.balance(Address(0x124)), 0); + BOOST_CHECK(callContractFunction("disown(string,address)", u256(0x40), u256(0x124), name.size(), name) == encodeArgs()); + BOOST_CHECK_EQUAL(m_state.balance(Address(0x124)), m_fee); + + BOOST_CHECK(callContractFunction("owner(string)", encodeDyn(name)) == encodeArgs(u256(0))); + BOOST_CHECK(callContractFunction("content(string)", encodeDyn(name)) == encodeArgs(u256(0))); + BOOST_CHECK(callContractFunction("addr(string)", encodeDyn(name)) == encodeArgs(u256(0))); + BOOST_CHECK(callContractFunction("subRegistrar(string)", encodeDyn(name)) == encodeArgs(u256(0))); +} + +BOOST_AUTO_TEST_SUITE_END() + +} +} +} // end namespaces diff --git a/test/contracts/Wallet.cpp b/test/contracts/Wallet.cpp new file mode 100644 index 00000000..5f9febd4 --- /dev/null +++ b/test/contracts/Wallet.cpp @@ -0,0 +1,668 @@ +/* + 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/>. +*/ +/** + * @author Christian <c@ethdev.com> + * @date 2015 + * Tests for a (comparatively) complex multisig wallet contract. + */ + +#include <string> +#include <tuple> +#include <boost/test/unit_test.hpp> +#include <libdevcore/Hash.h> +#include <test/libsolidity/solidityExecutionFramework.h> + +using namespace std; + +namespace dev +{ +namespace solidity +{ +namespace test +{ + +static char const* walletCode = R"DELIMITER( +//sol Wallet +// Multi-sig, daily-limited account proxy/wallet. +// @authors: +// Gav Wood <g@ethdev.com> +// inheritable "property" contract that enables methods to be protected by requiring the acquiescence of either a +// single, or, crucially, each of a number of, designated owners. +// usage: +// use modifiers onlyowner (just own owned) or onlymanyowners(hash), whereby the same hash must be provided by +// some number (specified in constructor) of the set of owners (specified in the constructor, modifiable) before the +// interior is executed. +contract multiowned { + + // TYPES + + // struct for the status of a pending operation. + struct PendingState { + uint yetNeeded; + uint ownersDone; + uint index; + } + + // EVENTS + + // this contract only has five types of events: it can accept a confirmation, in which case + // we record owner and operation (hash) alongside it. + event Confirmation(address owner, bytes32 operation); + event Revoke(address owner, bytes32 operation); + // some others are in the case of an owner changing. + event OwnerChanged(address oldOwner, address newOwner); + event OwnerAdded(address newOwner); + event OwnerRemoved(address oldOwner); + // the last one is emitted if the required signatures change + event RequirementChanged(uint newRequirement); + + // MODIFIERS + + // simple single-sig function modifier. + modifier onlyowner { + if (isOwner(msg.sender)) + _ + } + // multi-sig function modifier: the operation must have an intrinsic hash in order + // that later attempts can be realised as the same underlying operation and + // thus count as confirmations. + modifier onlymanyowners(bytes32 _operation) { + if (confirmAndCheck(_operation)) + _ + } + + // METHODS + + // constructor is given number of sigs required to do protected "onlymanyowners" transactions + // as well as the selection of addresses capable of confirming them. + function multiowned(address[] _owners, uint _required) { + m_numOwners = _owners.length + 1; + m_owners[1] = uint(msg.sender); + m_ownerIndex[uint(msg.sender)] = 1; + for (uint i = 0; i < _owners.length; ++i) + { + m_owners[2 + i] = uint(_owners[i]); + m_ownerIndex[uint(_owners[i])] = 2 + i; + } + m_required = _required; + } + + // Revokes a prior confirmation of the given operation + function revoke(bytes32 _operation) external { + uint ownerIndex = m_ownerIndex[uint(msg.sender)]; + // make sure they're an owner + if (ownerIndex == 0) return; + uint ownerIndexBit = 2**ownerIndex; + var pending = m_pending[_operation]; + if (pending.ownersDone & ownerIndexBit > 0) { + pending.yetNeeded++; + pending.ownersDone -= ownerIndexBit; + Revoke(msg.sender, _operation); + } + } + + // Replaces an owner `_from` with another `_to`. + function changeOwner(address _from, address _to) onlymanyowners(sha3(msg.data)) external { + if (isOwner(_to)) return; + uint ownerIndex = m_ownerIndex[uint(_from)]; + if (ownerIndex == 0) return; + + clearPending(); + m_owners[ownerIndex] = uint(_to); + m_ownerIndex[uint(_from)] = 0; + m_ownerIndex[uint(_to)] = ownerIndex; + OwnerChanged(_from, _to); + } + + function addOwner(address _owner) onlymanyowners(sha3(msg.data)) external { + if (isOwner(_owner)) return; + + clearPending(); + if (m_numOwners >= c_maxOwners) + reorganizeOwners(); + if (m_numOwners >= c_maxOwners) + return; + m_numOwners++; + m_owners[m_numOwners] = uint(_owner); + m_ownerIndex[uint(_owner)] = m_numOwners; + OwnerAdded(_owner); + } + + function removeOwner(address _owner) onlymanyowners(sha3(msg.data)) external { + uint ownerIndex = m_ownerIndex[uint(_owner)]; + if (ownerIndex == 0) return; + if (m_required > m_numOwners - 1) return; + + m_owners[ownerIndex] = 0; + m_ownerIndex[uint(_owner)] = 0; + clearPending(); + reorganizeOwners(); //make sure m_numOwner is equal to the number of owners and always points to the optimal free slot + OwnerRemoved(_owner); + } + + function changeRequirement(uint _newRequired) onlymanyowners(sha3(msg.data)) external { + if (_newRequired > m_numOwners) return; + m_required = _newRequired; + clearPending(); + RequirementChanged(_newRequired); + } + + function isOwner(address _addr) returns (bool) { + return m_ownerIndex[uint(_addr)] > 0; + } + + function hasConfirmed(bytes32 _operation, address _owner) constant returns (bool) { + var pending = m_pending[_operation]; + uint ownerIndex = m_ownerIndex[uint(_owner)]; + + // make sure they're an owner + if (ownerIndex == 0) return false; + + // determine the bit to set for this owner. + uint ownerIndexBit = 2**ownerIndex; + if (pending.ownersDone & ownerIndexBit == 0) { + return false; + } else { + return true; + } + } + + // INTERNAL METHODS + + function confirmAndCheck(bytes32 _operation) internal returns (bool) { + // determine what index the present sender is: + uint ownerIndex = m_ownerIndex[uint(msg.sender)]; + // make sure they're an owner + if (ownerIndex == 0) return; + + var pending = m_pending[_operation]; + // if we're not yet working on this operation, switch over and reset the confirmation status. + if (pending.yetNeeded == 0) { + // reset count of confirmations needed. + pending.yetNeeded = m_required; + // reset which owners have confirmed (none) - set our bitmap to 0. + pending.ownersDone = 0; + pending.index = m_pendingIndex.length++; + m_pendingIndex[pending.index] = _operation; + } + // determine the bit to set for this owner. + uint ownerIndexBit = 2**ownerIndex; + // make sure we (the message sender) haven't confirmed this operation previously. + if (pending.ownersDone & ownerIndexBit == 0) { + Confirmation(msg.sender, _operation); + // ok - check if count is enough to go ahead. + if (pending.yetNeeded <= 1) { + // enough confirmations: reset and run interior. + delete m_pendingIndex[m_pending[_operation].index]; + delete m_pending[_operation]; + return true; + } + else + { + // not enough: record that this owner in particular confirmed. + pending.yetNeeded--; + pending.ownersDone |= ownerIndexBit; + } + } + } + + function reorganizeOwners() private returns (bool) { + uint free = 1; + while (free < m_numOwners) + { + while (free < m_numOwners && m_owners[free] != 0) free++; + while (m_numOwners > 1 && m_owners[m_numOwners] == 0) m_numOwners--; + if (free < m_numOwners && m_owners[m_numOwners] != 0 && m_owners[free] == 0) + { + m_owners[free] = m_owners[m_numOwners]; + m_ownerIndex[m_owners[free]] = free; + m_owners[m_numOwners] = 0; + } + } + } + + function clearPending() internal { + uint length = m_pendingIndex.length; + for (uint i = 0; i < length; ++i) + if (m_pendingIndex[i] != 0) + delete m_pending[m_pendingIndex[i]]; + delete m_pendingIndex; + } + + // FIELDS + + // the number of owners that must confirm the same operation before it is run. + uint public m_required; + // pointer used to find a free slot in m_owners + uint public m_numOwners; + + // list of owners + uint[256] m_owners; + uint constant c_maxOwners = 250; + // index on the list of owners to allow reverse lookup + mapping(uint => uint) m_ownerIndex; + // the ongoing operations. + mapping(bytes32 => PendingState) m_pending; + bytes32[] m_pendingIndex; +} + +// inheritable "property" contract that enables methods to be protected by placing a linear limit (specifiable) +// on a particular resource per calendar day. is multiowned to allow the limit to be altered. resource that method +// uses is specified in the modifier. +contract daylimit is multiowned { + + // MODIFIERS + + // simple modifier for daily limit. + modifier limitedDaily(uint _value) { + if (underLimit(_value)) + _ + } + + // METHODS + + // constructor - stores initial daily limit and records the present day's index. + function daylimit(uint _limit) { + m_dailyLimit = _limit; + m_lastDay = today(); + } + // (re)sets the daily limit. needs many of the owners to confirm. doesn't alter the amount already spent today. + function setDailyLimit(uint _newLimit) onlymanyowners(sha3(msg.data)) external { + m_dailyLimit = _newLimit; + } + // (re)sets the daily limit. needs many of the owners to confirm. doesn't alter the amount already spent today. + function resetSpentToday() onlymanyowners(sha3(msg.data)) external { + m_spentToday = 0; + } + + // INTERNAL METHODS + + // checks to see if there is at least `_value` left from the daily limit today. if there is, subtracts it and + // returns true. otherwise just returns false. + function underLimit(uint _value) internal onlyowner returns (bool) { + // reset the spend limit if we're on a different day to last time. + if (today() > m_lastDay) { + m_spentToday = 0; + m_lastDay = today(); + } + // check to see if there's enough left - if so, subtract and return true. + if (m_spentToday + _value >= m_spentToday && m_spentToday + _value <= m_dailyLimit) { + m_spentToday += _value; + return true; + } + return false; + } + // determines today's index. + function today() private constant returns (uint) { return now / 1 days; } + + // FIELDS + + uint public m_dailyLimit; + uint m_spentToday; + uint m_lastDay; +} + +// interface contract for multisig proxy contracts; see below for docs. +contract multisig { + + // EVENTS + + // logged events: + // Funds has arrived into the wallet (record how much). + event Deposit(address from, uint value); + // Single transaction going out of the wallet (record who signed for it, how much, and to whom it's going). + event SingleTransact(address owner, uint value, address to, bytes data); + // Multi-sig transaction going out of the wallet (record who signed for it last, the operation hash, how much, and to whom it's going). + event MultiTransact(address owner, bytes32 operation, uint value, address to, bytes data); + // Confirmation still needed for a transaction. + event ConfirmationNeeded(bytes32 operation, address initiator, uint value, address to, bytes data); + + // FUNCTIONS + + // TODO: document + function changeOwner(address _from, address _to) external; + function execute(address _to, uint _value, bytes _data) external returns (bytes32); + function confirm(bytes32 _h) returns (bool); +} + +// usage: +// bytes32 h = Wallet(w).from(oneOwner).transact(to, value, data); +// Wallet(w).from(anotherOwner).confirm(h); +contract Wallet is multisig, multiowned, daylimit { + + // TYPES + + // Transaction structure to remember details of transaction lest it need be saved for a later call. + struct Transaction { + address to; + uint value; + bytes data; + } + + // METHODS + + // constructor - just pass on the owner array to the multiowned and + // the limit to daylimit + function Wallet(address[] _owners, uint _required, uint _daylimit) + multiowned(_owners, _required) daylimit(_daylimit) { + } + + // kills the contract sending everything to `_to`. + function kill(address _to) onlymanyowners(sha3(msg.data)) external { + suicide(_to); + } + + // gets called when no other function matches + function() { + // just being sent some cash? + if (msg.value > 0) + Deposit(msg.sender, msg.value); + } + + // Outside-visible transact entry point. Executes transacion immediately if below daily spend limit. + // If not, goes into multisig process. We provide a hash on return to allow the sender to provide + // shortcuts for the other confirmations (allowing them to avoid replicating the _to, _value + // and _data arguments). They still get the option of using them if they want, anyways. + function execute(address _to, uint _value, bytes _data) external onlyowner returns (bytes32 _r) { + // first, take the opportunity to check that we're under the daily limit. + if (underLimit(_value)) { + SingleTransact(msg.sender, _value, _to, _data); + // yes - just execute the call. + _to.call.value(_value)(_data); + return 0; + } + // determine our operation hash. + _r = sha3(msg.data, block.number); + if (!confirm(_r) && m_txs[_r].to == 0) { + m_txs[_r].to = _to; + m_txs[_r].value = _value; + m_txs[_r].data = _data; + ConfirmationNeeded(_r, msg.sender, _value, _to, _data); + } + } + + // confirm a transaction through just the hash. we use the previous transactions map, m_txs, in order + // to determine the body of the transaction from the hash provided. + function confirm(bytes32 _h) onlymanyowners(_h) returns (bool) { + if (m_txs[_h].to != 0) { + m_txs[_h].to.call.value(m_txs[_h].value)(m_txs[_h].data); + MultiTransact(msg.sender, _h, m_txs[_h].value, m_txs[_h].to, m_txs[_h].data); + delete m_txs[_h]; + return true; + } + } + + // INTERNAL METHODS + + function clearPending() internal { + uint length = m_pendingIndex.length; + for (uint i = 0; i < length; ++i) + delete m_txs[m_pendingIndex[i]]; + super.clearPending(); + } + + // FIELDS + + // pending transactions we have at present. + mapping (bytes32 => Transaction) m_txs; +} +)DELIMITER"; + +static unique_ptr<bytes> s_compiledWallet; + +class WalletTestFramework: public ExecutionFramework +{ +protected: + void deployWallet( + u256 const& _value = 0, + vector<u256> const& _owners = vector<u256>{}, + u256 _required = 1, + u256 _dailyLimit = 0 + ) + { + if (!s_compiledWallet) + { + m_optimize = true; + m_compiler.reset(false, m_addStandardSources); + m_compiler.addSource("", walletCode); + ETH_TEST_REQUIRE_NO_THROW(m_compiler.compile(m_optimize, m_optimizeRuns), "Compiling contract failed"); + s_compiledWallet.reset(new bytes(m_compiler.getBytecode("Wallet"))); + } + bytes args = encodeArgs(u256(0x60), _required, _dailyLimit, u256(_owners.size()), _owners); + sendMessage(*s_compiledWallet + args, true, _value); + BOOST_REQUIRE(!m_output.empty()); + } +}; + +/// This is a test suite that tests optimised code! +BOOST_FIXTURE_TEST_SUITE(SolidityWallet, WalletTestFramework) + +BOOST_AUTO_TEST_CASE(creation) +{ + deployWallet(200); + BOOST_REQUIRE(callContractFunction("isOwner(address)", h256(m_sender, h256::AlignRight)) == encodeArgs(true)); + BOOST_REQUIRE(callContractFunction("isOwner(address)", ~h256(m_sender, h256::AlignRight)) == encodeArgs(false)); +} + +BOOST_AUTO_TEST_CASE(add_owners) +{ + deployWallet(200); + Address originalOwner = m_sender; + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x12)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("isOwner(address)", h256(0x12)) == encodeArgs(true)); + // now let the new owner add someone + m_sender = Address(0x12); + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x13)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("isOwner(address)", h256(0x13)) == encodeArgs(true)); + // and check that a non-owner cannot add a new owner + m_sender = Address(0x50); + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x20)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("isOwner(address)", h256(0x20)) == encodeArgs(false)); + // finally check that all the owners are there + BOOST_REQUIRE(callContractFunction("isOwner(address)", h256(originalOwner, h256::AlignRight)) == encodeArgs(true)); + BOOST_REQUIRE(callContractFunction("isOwner(address)", h256(0x12)) == encodeArgs(true)); + BOOST_REQUIRE(callContractFunction("isOwner(address)", h256(0x13)) == encodeArgs(true)); +} + +BOOST_AUTO_TEST_CASE(change_owners) +{ + deployWallet(200); + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x12)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("isOwner(address)", h256(0x12)) == encodeArgs(true)); + BOOST_REQUIRE(callContractFunction("changeOwner(address,address)", h256(0x12), h256(0x13)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("isOwner(address)", h256(0x12)) == encodeArgs(false)); + BOOST_REQUIRE(callContractFunction("isOwner(address)", h256(0x13)) == encodeArgs(true)); +} + +BOOST_AUTO_TEST_CASE(remove_owner) +{ + deployWallet(200); + // add 10 owners + for (unsigned i = 0; i < 10; ++i) + { + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x12 + i)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("isOwner(address)", h256(0x12 + i)) == encodeArgs(true)); + } + // check they are there again + for (unsigned i = 0; i < 10; ++i) + BOOST_REQUIRE(callContractFunction("isOwner(address)", h256(0x12 + i)) == encodeArgs(true)); + // remove the odd owners + for (unsigned i = 0; i < 10; ++i) + if (i % 2 == 1) + BOOST_REQUIRE(callContractFunction("removeOwner(address)", h256(0x12 + i)) == encodeArgs()); + // check the result + for (unsigned i = 0; i < 10; ++i) + BOOST_REQUIRE(callContractFunction("isOwner(address)", h256(0x12 + i)) == encodeArgs(i % 2 == 0)); + // add them again + for (unsigned i = 0; i < 10; ++i) + if (i % 2 == 1) + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x12 + i)) == encodeArgs()); + // check everyone is there + for (unsigned i = 0; i < 10; ++i) + BOOST_REQUIRE(callContractFunction("isOwner(address)", h256(0x12 + i)) == encodeArgs(true)); +} + +BOOST_AUTO_TEST_CASE(initial_owners) +{ + vector<u256> owners{ + u256("0x00000000000000000000000042c56279432962a17176998a4747d1b4d6ed4367"), + u256("0x000000000000000000000000d4d4669f5ba9f4c27d38ef02a358c339b5560c47"), + u256("0x000000000000000000000000e6716f9544a56c530d868e4bfbacb172315bdead"), + u256("0x000000000000000000000000775e18be7a50a0abb8a4e82b1bd697d79f31fe04"), + u256("0x000000000000000000000000f4dd5c3794f1fd0cdc0327a83aa472609c806e99"), + u256("0x0000000000000000000000004c9113886af165b2de069d6e99430647e94a9fff"), + u256("0x0000000000000000000000003fb1cd2cd96c6d5c0b5eb3322d807b34482481d4") + }; + deployWallet(0, owners, 4, 2); + BOOST_CHECK(callContractFunction("m_numOwners()") == encodeArgs(u256(8))); + BOOST_CHECK(callContractFunction("isOwner(address)", h256(m_sender, h256::AlignRight)) == encodeArgs(true)); + for (u256 const& owner: owners) + { + BOOST_CHECK(callContractFunction("isOwner(address)", owner) == encodeArgs(true)); + } +} + +BOOST_AUTO_TEST_CASE(multisig_value_transfer) +{ + deployWallet(200); + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x12)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x13)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x14)) == encodeArgs()); + // 4 owners, set required to 3 + BOOST_REQUIRE(callContractFunction("changeRequirement(uint256)", u256(3)) == encodeArgs()); + // check that balance is and stays zero at destination address + h256 opHash("6244b4fa93f73e09db0ae52750095ca0364a76b72bc01723c97011fcb876cc9e"); + BOOST_CHECK_EQUAL(m_state.balance(Address(0x05)), 0); + m_sender = Address(0x12); + BOOST_REQUIRE(callContractFunction("execute(address,uint256,bytes)", h256(0x05), 100, 0x60, 0x00) == encodeArgs(opHash)); + BOOST_CHECK_EQUAL(m_state.balance(Address(0x05)), 0); + m_sender = Address(0x13); + BOOST_REQUIRE(callContractFunction("execute(address,uint256,bytes)", h256(0x05), 100, 0x60, 0x00) == encodeArgs(opHash)); + BOOST_CHECK_EQUAL(m_state.balance(Address(0x05)), 0); + m_sender = Address(0x14); + BOOST_REQUIRE(callContractFunction("execute(address,uint256,bytes)", h256(0x05), 100, 0x60, 0x00) == encodeArgs(opHash)); + // now it should go through + BOOST_CHECK_EQUAL(m_state.balance(Address(0x05)), 100); +} + +BOOST_AUTO_TEST_CASE(revoke_addOwner) +{ + deployWallet(); + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x12)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x13)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x14)) == encodeArgs()); + // 4 owners, set required to 3 + BOOST_REQUIRE(callContractFunction("changeRequirement(uint256)", u256(3)) == encodeArgs()); + // add a new owner + Address deployer = m_sender; + h256 opHash = sha3(FixedHash<4>(dev::sha3("addOwner(address)")).asBytes() + h256(0x33).asBytes()); + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x33)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("isOwner(address)", h256(0x33)) == encodeArgs(false)); + m_sender = Address(0x12); + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x33)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("isOwner(address)", h256(0x33)) == encodeArgs(false)); + // revoke one confirmation + m_sender = deployer; + BOOST_REQUIRE(callContractFunction("revoke(bytes32)", opHash) == encodeArgs()); + m_sender = Address(0x13); + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x33)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("isOwner(address)", h256(0x33)) == encodeArgs(false)); + m_sender = Address(0x14); + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x33)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("isOwner(address)", h256(0x33)) == encodeArgs(true)); +} + +BOOST_AUTO_TEST_CASE(revoke_transaction) +{ + deployWallet(200); + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x12)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x13)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x14)) == encodeArgs()); + // 4 owners, set required to 3 + BOOST_REQUIRE(callContractFunction("changeRequirement(uint256)", u256(3)) == encodeArgs()); + // create a transaction + Address deployer = m_sender; + h256 opHash("6244b4fa93f73e09db0ae52750095ca0364a76b72bc01723c97011fcb876cc9e"); + BOOST_CHECK_EQUAL(m_state.balance(Address(0x05)), 0); + m_sender = Address(0x12); + BOOST_REQUIRE(callContractFunction("execute(address,uint256,bytes)", h256(0x05), 100, 0x60, 0x00) == encodeArgs(opHash)); + BOOST_CHECK_EQUAL(m_state.balance(Address(0x05)), 0); + m_sender = Address(0x13); + BOOST_REQUIRE(callContractFunction("execute(address,uint256,bytes)", h256(0x05), 100, 0x60, 0x00) == encodeArgs(opHash)); + BOOST_CHECK_EQUAL(m_state.balance(Address(0x05)), 0); + m_sender = Address(0x12); + BOOST_REQUIRE(callContractFunction("revoke(bytes32)", opHash) == encodeArgs()); + m_sender = deployer; + BOOST_REQUIRE(callContractFunction("execute(address,uint256,bytes)", h256(0x05), 100, 0x60, 0x00) == encodeArgs(opHash)); + BOOST_CHECK_EQUAL(m_state.balance(Address(0x05)), 0); + m_sender = Address(0x14); + BOOST_REQUIRE(callContractFunction("execute(address,uint256,bytes)", h256(0x05), 100, 0x60, 0x00) == encodeArgs(opHash)); + // now it should go through + BOOST_CHECK_EQUAL(m_state.balance(Address(0x05)), 100); +} + +BOOST_AUTO_TEST_CASE(daylimit) +{ + deployWallet(200); + BOOST_REQUIRE(callContractFunction("m_dailyLimit()") == encodeArgs(u256(0))); + BOOST_REQUIRE(callContractFunction("setDailyLimit(uint256)", h256(100)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("m_dailyLimit()") == encodeArgs(u256(100))); + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x12)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x13)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("addOwner(address)", h256(0x14)) == encodeArgs()); + // 4 owners, set required to 3 + BOOST_REQUIRE(callContractFunction("changeRequirement(uint256)", u256(3)) == encodeArgs()); + + // try to send tx over daylimit + BOOST_CHECK_EQUAL(m_state.balance(Address(0x05)), 0); + m_sender = Address(0x12); + BOOST_REQUIRE( + callContractFunction("execute(address,uint256,bytes)", h256(0x05), 150, 0x60, 0x00) != + encodeArgs(u256(0)) + ); + BOOST_CHECK_EQUAL(m_state.balance(Address(0x05)), 0); + // try to send tx under daylimit by stranger + m_sender = Address(0x77); + BOOST_REQUIRE( + callContractFunction("execute(address,uint256,bytes)", h256(0x05), 90, 0x60, 0x00) == + encodeArgs(u256(0)) + ); + BOOST_CHECK_EQUAL(m_state.balance(Address(0x05)), 0); + // now send below limit by owner + m_sender = Address(0x12); + BOOST_REQUIRE( + callContractFunction("execute(address,uint256,bytes)", h256(0x05), 90, 0x60, 0x00) == + encodeArgs(u256(0)) + ); + BOOST_CHECK_EQUAL(m_state.balance(Address(0x05)), 90); +} + +BOOST_AUTO_TEST_CASE(daylimit_constructor) +{ + deployWallet(200, {}, 1, 20); + BOOST_REQUIRE(callContractFunction("m_dailyLimit()") == encodeArgs(u256(20))); + BOOST_REQUIRE(callContractFunction("setDailyLimit(uint256)", h256(30)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("m_dailyLimit()") == encodeArgs(u256(30))); +} + +//@todo test data calls + +BOOST_AUTO_TEST_SUITE_END() + +} +} +} // end namespaces diff --git a/test/libsolidity/Assembly.cpp b/test/libsolidity/Assembly.cpp new file mode 100644 index 00000000..8d316a97 --- /dev/null +++ b/test/libsolidity/Assembly.cpp @@ -0,0 +1,120 @@ +/* + 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/>. +*/ +/** + * @author Lefteris Karapetsas <lefteris@ethdev.com> + * @date 2015 + * Unit tests for Assembly Items from evmasm/Assembly.h + */ + +#include <string> +#include <iostream> +#include <boost/test/unit_test.hpp> +#include <libdevcore/Log.h> +#include <libevmasm/SourceLocation.h> +#include <libevmasm/Assembly.h> +#include <libsolidity/Scanner.h> +#include <libsolidity/Parser.h> +#include <libsolidity/NameAndTypeResolver.h> +#include <libsolidity/Compiler.h> +#include <libsolidity/AST.h> + +using namespace std; +using namespace dev::eth; + +namespace dev +{ +namespace solidity +{ +namespace test +{ + +namespace +{ + +eth::AssemblyItems compileContract(const string& _sourceCode) +{ + Parser parser; + ASTPointer<SourceUnit> sourceUnit; + BOOST_REQUIRE_NO_THROW(sourceUnit = parser.parse(make_shared<Scanner>(CharStream(_sourceCode)))); + NameAndTypeResolver resolver({}); + resolver.registerDeclarations(*sourceUnit); + for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes()) + if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get())) + { + BOOST_REQUIRE_NO_THROW(resolver.resolveNamesAndTypes(*contract)); + } + for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes()) + if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get())) + { + BOOST_REQUIRE_NO_THROW(resolver.checkTypeRequirements(*contract)); + } + for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes()) + if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get())) + { + Compiler compiler; + compiler.compileContract(*contract, map<ContractDefinition const*, bytes const*>{}); + + return compiler.getRuntimeAssemblyItems(); + } + BOOST_FAIL("No contract found in source."); + return AssemblyItems(); +} + +void checkAssemblyLocations(AssemblyItems const& _items, vector<SourceLocation> const& _locations) +{ + BOOST_CHECK_EQUAL(_items.size(), _locations.size()); + for (size_t i = 0; i < min(_items.size(), _locations.size()); ++i) + { + BOOST_CHECK_MESSAGE( + _items[i].getLocation() == _locations[i], + "Location mismatch for assembly item " + to_string(i) + ". Found: " + + to_string(_items[i].getLocation().start) + "-" + + to_string(_items[i].getLocation().end) + ", expected: " + + to_string(_locations[i].start) + "-" + + to_string(_locations[i].end)); + } +} + +} // end anonymous namespace + +BOOST_AUTO_TEST_SUITE(Assembly) + +BOOST_AUTO_TEST_CASE(location_test) +{ + char const* sourceCode = R"( + contract test { + function f() returns (uint256 a) { + return 16; + } + } + )"; + shared_ptr<string const> n = make_shared<string>("source"); + AssemblyItems items = compileContract(sourceCode); + vector<SourceLocation> locations = + vector<SourceLocation>(17, SourceLocation(2, 75, n)) + + vector<SourceLocation>(26, SourceLocation(20, 72, n)) + + vector<SourceLocation>{SourceLocation(42, 51, n), SourceLocation(65, 67, n)} + + vector<SourceLocation>(4, SourceLocation(58, 67, n)) + + vector<SourceLocation>(3, SourceLocation(20, 72, n)); + checkAssemblyLocations(items, locations); +} + +BOOST_AUTO_TEST_SUITE_END() + +} +} +} // end namespaces diff --git a/test/libsolidity/CMakeLists.txt b/test/libsolidity/CMakeLists.txt new file mode 100644 index 00000000..3ceda13b --- /dev/null +++ b/test/libsolidity/CMakeLists.txt @@ -0,0 +1,5 @@ +cmake_policy(SET CMP0015 NEW) + +aux_source_directory(. SRCS) + +add_sources(${SRCS}) diff --git a/test/libsolidity/GasMeter.cpp b/test/libsolidity/GasMeter.cpp new file mode 100644 index 00000000..5f442654 --- /dev/null +++ b/test/libsolidity/GasMeter.cpp @@ -0,0 +1,235 @@ +/* + 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/>. +*/ +/** + * @author Christian <c@ethdev.com> + * @date 2015 + * Unit tests for the gas estimator. + */ + +#include <test/libsolidity/solidityExecutionFramework.h> +#include <libevmasm/GasMeter.h> +#include <libevmasm/KnownState.h> +#include <libevmasm/PathGasMeter.h> +#include <libsolidity/AST.h> +#include <libsolidity/GasEstimator.h> +#include <libsolidity/SourceReferenceFormatter.h> + +using namespace std; +using namespace dev::eth; +using namespace dev::solidity; + +namespace dev +{ +namespace solidity +{ +namespace test +{ + +class GasMeterTestFramework: public ExecutionFramework +{ +public: + GasMeterTestFramework() { } + void compile(string const& _sourceCode) + { + m_compiler.setSource(_sourceCode); + ETH_TEST_REQUIRE_NO_THROW(m_compiler.compile(), "Compiling contract failed"); + + AssemblyItems const* items = m_compiler.getRuntimeAssemblyItems(""); + ASTNode const& sourceUnit = m_compiler.getAST(); + BOOST_REQUIRE(items != nullptr); + m_gasCosts = GasEstimator::breakToStatementLevel( + GasEstimator::structuralEstimation(*items, vector<ASTNode const*>({&sourceUnit})), + {&sourceUnit} + ); + } + + void testCreationTimeGas(string const& _sourceCode) + { + compileAndRun(_sourceCode); + auto state = make_shared<KnownState>(); + PathGasMeter meter(*m_compiler.getAssemblyItems()); + GasMeter::GasConsumption gas = meter.estimateMax(0, state); + u256 bytecodeSize(m_compiler.getRuntimeBytecode().size()); + gas += bytecodeSize * c_createDataGas; + BOOST_REQUIRE(!gas.isInfinite); + BOOST_CHECK(gas.value == m_gasUsed); + } + + /// Compares the gas computed by PathGasMeter for the given signature (but unknown arguments) + /// against the actual gas usage computed by the VM on the given set of argument variants. + void testRunTimeGas(string const& _sig, vector<bytes> _argumentVariants) + { + u256 gasUsed = 0; + FixedHash<4> hash(dev::sha3(_sig)); + for (bytes const& arguments: _argumentVariants) + { + sendMessage(hash.asBytes() + arguments, false, 0); + gasUsed = max(gasUsed, m_gasUsed); + } + + GasMeter::GasConsumption gas = GasEstimator::functionalEstimation( + *m_compiler.getRuntimeAssemblyItems(), + _sig + ); + BOOST_REQUIRE(!gas.isInfinite); + BOOST_CHECK(gas.value == m_gasUsed); + } + +protected: + map<ASTNode const*, eth::GasMeter::GasConsumption> m_gasCosts; +}; + +BOOST_FIXTURE_TEST_SUITE(GasMeterTests, GasMeterTestFramework) + +BOOST_AUTO_TEST_CASE(non_overlapping_filtered_costs) +{ + char const* sourceCode = R"( + contract test { + bytes x; + function f(uint a) returns (uint b) { + x.length = a; + for (; a < 200; ++a) { + x[a] = 9; + b = a * a; + } + return f(a - 1); + } + } + )"; + compile(sourceCode); + for (auto first = m_gasCosts.cbegin(); first != m_gasCosts.cend(); ++first) + { + auto second = first; + for (++second; second != m_gasCosts.cend(); ++second) + if (first->first->getLocation().intersects(second->first->getLocation())) + { + BOOST_CHECK_MESSAGE(false, "Source locations should not overlap!"); + SourceReferenceFormatter::printSourceLocation(cout, first->first->getLocation(), m_compiler.getScanner()); + SourceReferenceFormatter::printSourceLocation(cout, second->first->getLocation(), m_compiler.getScanner()); + } + } +} + +BOOST_AUTO_TEST_CASE(simple_contract) +{ + // Tests a simple "deploy contract" code without constructor. The actual contract is not relevant. + char const* sourceCode = R"( + contract test { + bytes32 public shaValue; + function f(uint a) { + shaValue = sha3(a); + } + } + )"; + testCreationTimeGas(sourceCode); +} + +BOOST_AUTO_TEST_CASE(store_sha3) +{ + char const* sourceCode = R"( + contract test { + bytes32 public shaValue; + function test(uint a) { + shaValue = sha3(a); + } + } + )"; + testCreationTimeGas(sourceCode); +} + +BOOST_AUTO_TEST_CASE(updating_store) +{ + char const* sourceCode = R"( + contract test { + uint data; + uint data2; + function test() { + data = 1; + data = 2; + data2 = 0; + } + } + )"; + testCreationTimeGas(sourceCode); +} + +BOOST_AUTO_TEST_CASE(branches) +{ + char const* sourceCode = R"( + contract test { + uint data; + uint data2; + function f(uint x) { + if (x > 7) + data2 = 1; + else + data = 1; + } + } + )"; + testCreationTimeGas(sourceCode); + testRunTimeGas("f(uint256)", vector<bytes>{encodeArgs(2), encodeArgs(8)}); +} + +BOOST_AUTO_TEST_CASE(function_calls) +{ + char const* sourceCode = R"( + contract test { + uint data; + uint data2; + function f(uint x) { + if (x > 7) + data2 = g(x**8) + 1; + else + data = 1; + } + function g(uint x) internal returns (uint) { + return data2; + } + } + )"; + testCreationTimeGas(sourceCode); + testRunTimeGas("f(uint256)", vector<bytes>{encodeArgs(2), encodeArgs(8)}); +} + +BOOST_AUTO_TEST_CASE(multiple_external_functions) +{ + char const* sourceCode = R"( + contract test { + uint data; + uint data2; + function f(uint x) { + if (x > 7) + data2 = g(x**8) + 1; + else + data = 1; + } + function g(uint x) returns (uint) { + return data2; + } + } + )"; + testCreationTimeGas(sourceCode); + testRunTimeGas("f(uint256)", vector<bytes>{encodeArgs(2), encodeArgs(8)}); + testRunTimeGas("g(uint256)", vector<bytes>{encodeArgs(2)}); +} + +BOOST_AUTO_TEST_SUITE_END() + +} +} +} diff --git a/test/libsolidity/SolidityABIJSON.cpp b/test/libsolidity/SolidityABIJSON.cpp new file mode 100644 index 00000000..f7390dc9 --- /dev/null +++ b/test/libsolidity/SolidityABIJSON.cpp @@ -0,0 +1,602 @@ +/* + 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/>. + */ +/** + * @author Marek Kotewicz <marek@ethdev.com> + * @date 2014 + * Unit tests for the solidity compiler JSON Interface output. + */ + +#include "../TestHelper.h" +#include <libsolidity/CompilerStack.h> +#include <json/json.h> +#include <libdevcore/Exceptions.h> + +namespace dev +{ +namespace solidity +{ +namespace test +{ + +class JSONInterfaceChecker +{ +public: + JSONInterfaceChecker(): m_compilerStack(false) {} + + void checkInterface(std::string const& _code, std::string const& _expectedInterfaceString) + { + ETH_TEST_REQUIRE_NO_THROW(m_compilerStack.parse(_code), "Parsing contract failed"); + std::string generatedInterfaceString = m_compilerStack.getMetadata("", DocumentationType::ABIInterface); + Json::Value generatedInterface; + m_reader.parse(generatedInterfaceString, generatedInterface); + Json::Value expectedInterface; + m_reader.parse(_expectedInterfaceString, expectedInterface); + BOOST_CHECK_MESSAGE(expectedInterface == generatedInterface, + "Expected:\n" << expectedInterface.toStyledString() << + "\n but got:\n" << generatedInterface.toStyledString()); + } + +private: + CompilerStack m_compilerStack; + Json::Reader m_reader; +}; + +BOOST_FIXTURE_TEST_SUITE(SolidityABIJSON, JSONInterfaceChecker) + +BOOST_AUTO_TEST_CASE(basic_test) +{ + char const* sourceCode = "contract test {\n" + " function f(uint a) returns(uint d) { return a * 7; }\n" + "}\n"; + + char const* interface = R"([ + { + "name": "f", + "constant": false, + "type": "function", + "inputs": [ + { + "name": "a", + "type": "uint256" + } + ], + "outputs": [ + { + "name": "d", + "type": "uint256" + } + ] + } + ])"; + + checkInterface(sourceCode, interface); +} + +BOOST_AUTO_TEST_CASE(empty_contract) +{ + char const* sourceCode = "contract test {\n" + "}\n"; + char const* interface = "[]"; + + checkInterface(sourceCode, interface); +} + +BOOST_AUTO_TEST_CASE(multiple_methods) +{ + char const* sourceCode = "contract test {\n" + " function f(uint a) returns(uint d) { return a * 7; }\n" + " function g(uint b) returns(uint e) { return b * 8; }\n" + "}\n"; + + char const* interface = R"([ + { + "name": "f", + "constant": false, + "type": "function", + "inputs": [ + { + "name": "a", + "type": "uint256" + } + ], + "outputs": [ + { + "name": "d", + "type": "uint256" + } + ] + }, + { + "name": "g", + "constant": false, + "type": "function", + "inputs": [ + { + "name": "b", + "type": "uint256" + } + ], + "outputs": [ + { + "name": "e", + "type": "uint256" + } + ] + } + ])"; + + checkInterface(sourceCode, interface); +} + +BOOST_AUTO_TEST_CASE(multiple_params) +{ + char const* sourceCode = "contract test {\n" + " function f(uint a, uint b) returns(uint d) { return a + b; }\n" + "}\n"; + + char const* interface = R"([ + { + "name": "f", + "constant": false, + "type": "function", + "inputs": [ + { + "name": "a", + "type": "uint256" + }, + { + "name": "b", + "type": "uint256" + } + ], + "outputs": [ + { + "name": "d", + "type": "uint256" + } + ] + } + ])"; + + checkInterface(sourceCode, interface); +} + +BOOST_AUTO_TEST_CASE(multiple_methods_order) +{ + // methods are expected to be in alpabetical order + char const* sourceCode = "contract test {\n" + " function f(uint a) returns(uint d) { return a * 7; }\n" + " function c(uint b) returns(uint e) { return b * 8; }\n" + "}\n"; + + char const* interface = R"([ + { + "name": "c", + "constant": false, + "type": "function", + "inputs": [ + { + "name": "b", + "type": "uint256" + } + ], + "outputs": [ + { + "name": "e", + "type": "uint256" + } + ] + }, + { + "name": "f", + "constant": false, + "type": "function", + "inputs": [ + { + "name": "a", + "type": "uint256" + } + ], + "outputs": [ + { + "name": "d", + "type": "uint256" + } + ] + } + ])"; + + checkInterface(sourceCode, interface); +} + +BOOST_AUTO_TEST_CASE(const_function) +{ + char const* sourceCode = "contract test {\n" + " function foo(uint a, uint b) returns(uint d) { return a + b; }\n" + " function boo(uint32 a) constant returns(uint b) { return a * 4; }\n" + "}\n"; + + char const* interface = R"([ + { + "name": "foo", + "constant": false, + "type": "function", + "inputs": [ + { + "name": "a", + "type": "uint256" + }, + { + "name": "b", + "type": "uint256" + } + ], + "outputs": [ + { + "name": "d", + "type": "uint256" + } + ] + }, + { + "name": "boo", + "constant": true, + "type": "function", + "inputs": [{ + "name": "a", + "type": "uint32" + }], + "outputs": [ + { + "name": "b", + "type": "uint256" + } + ] + } + ])"; + + checkInterface(sourceCode, interface); +} + +BOOST_AUTO_TEST_CASE(exclude_fallback_function) +{ + char const* sourceCode = "contract test { function() {} }"; + + char const* interface = "[]"; + + checkInterface(sourceCode, interface); +} + +BOOST_AUTO_TEST_CASE(events) +{ + char const* sourceCode = "contract test {\n" + " function f(uint a) returns(uint d) { return a * 7; }\n" + " event e1(uint b, address indexed c); \n" + " event e2(); \n" + "}\n"; + char const* interface = R"([ + { + "name": "f", + "constant": false, + "type": "function", + "inputs": [ + { + "name": "a", + "type": "uint256" + } + ], + "outputs": [ + { + "name": "d", + "type": "uint256" + } + ] + }, + { + "name": "e1", + "type": "event", + "anonymous": false, + "inputs": [ + { + "indexed": false, + "name": "b", + "type": "uint256" + }, + { + "indexed": true, + "name": "c", + "type": "address" + } + ] + }, + { + "name": "e2", + "type": "event", + "anonymous": false, + "inputs": [] + } + + ])"; + + checkInterface(sourceCode, interface); +} + +BOOST_AUTO_TEST_CASE(events_anonymous) +{ + char const* sourceCode = "contract test {\n" + " event e() anonymous; \n" + "}\n"; + char const* interface = R"([ + { + "name": "e", + "type": "event", + "anonymous": true, + "inputs": [] + } + + ])"; + + checkInterface(sourceCode, interface); +} + +BOOST_AUTO_TEST_CASE(inherited) +{ + char const* sourceCode = + " contract Base { \n" + " function baseFunction(uint p) returns (uint i) { return p; } \n" + " event baseEvent(bytes32 indexed evtArgBase); \n" + " } \n" + " contract Derived is Base { \n" + " function derivedFunction(bytes32 p) returns (bytes32 i) { return p; } \n" + " event derivedEvent(uint indexed evtArgDerived); \n" + " }"; + + char const* interface = R"([ + { + "name": "baseFunction", + "constant": false, + "type": "function", + "inputs": + [{ + "name": "p", + "type": "uint256" + }], + "outputs": + [{ + "name": "i", + "type": "uint256" + }] + }, + { + "name": "derivedFunction", + "constant": false, + "type": "function", + "inputs": + [{ + "name": "p", + "type": "bytes32" + }], + "outputs": + [{ + "name": "i", + "type": "bytes32" + }] + }, + { + "name": "derivedEvent", + "type": "event", + "anonymous": false, + "inputs": + [{ + "indexed": true, + "name": "evtArgDerived", + "type": "uint256" + }] + }, + { + "name": "baseEvent", + "type": "event", + "anonymous": false, + "inputs": + [{ + "indexed": true, + "name": "evtArgBase", + "type": "bytes32" + }] + }])"; + + + checkInterface(sourceCode, interface); +} +BOOST_AUTO_TEST_CASE(empty_name_input_parameter_with_named_one) +{ + char const* sourceCode = R"( + contract test { + function f(uint, uint k) returns(uint ret_k, uint ret_g){ + uint g = 8; + ret_k = k; + ret_g = g; + } + })"; + + char const* interface = R"([ + { + "name": "f", + "constant": false, + "type": "function", + "inputs": [ + { + "name": "", + "type": "uint256" + }, + { + "name": "k", + "type": "uint256" + } + ], + "outputs": [ + { + "name": "ret_k", + "type": "uint256" + }, + { + "name": "ret_g", + "type": "uint256" + } + ] + } + ])"; + + checkInterface(sourceCode, interface); +} + +BOOST_AUTO_TEST_CASE(empty_name_return_parameter) +{ + char const* sourceCode = R"( + contract test { + function f(uint k) returns(uint){ + return k; + } + })"; + + char const* interface = R"([ + { + "name": "f", + "constant": false, + "type": "function", + "inputs": [ + { + "name": "k", + "type": "uint256" + } + ], + "outputs": [ + { + "name": "", + "type": "uint256" + } + ] + } + ])"; + checkInterface(sourceCode, interface); +} + +BOOST_AUTO_TEST_CASE(constructor_abi) +{ + char const* sourceCode = R"( + contract test { + function test(uint param1, test param2, bool param3) {} + } + )"; + + char const* interface = R"([ + { + "inputs": [ + { + "name": "param1", + "type": "uint256" + }, + { + "name": "param2", + "type": "address" + }, + { + "name": "param3", + "type": "bool" + } + ], + "type": "constructor" + } + ])"; + checkInterface(sourceCode, interface); +} + + +BOOST_AUTO_TEST_CASE(return_param_in_abi) +{ + // bug #1801 + char const* sourceCode = R"( + contract test { + enum ActionChoices { GoLeft, GoRight, GoStraight, Sit } + function test(ActionChoices param) {} + function ret() returns(ActionChoices){ + ActionChoices action = ActionChoices.GoLeft; + return action; + } + } + )"; + + char const* interface = R"( + [ + { + "constant" : false, + "inputs" : [], + "name" : "ret", + "outputs" : [ + { + "name" : "", + "type" : "uint8" + } + ], + "type" : "function" + }, + { + "inputs": [ + { + "name": "param", + "type": "uint8" + } + ], + "type": "constructor" + } + ] + )"; + checkInterface(sourceCode, interface); +} + +BOOST_AUTO_TEST_CASE(strings_and_arrays) +{ + // bug #1801 + char const* sourceCode = R"( + contract test { + function f(string a, bytes b, uint[] c) external {} + } + )"; + + char const* interface = R"( + [ + { + "constant" : false, + "name": "f", + "inputs": [ + { "name": "a", "type": "string" }, + { "name": "b", "type": "bytes" }, + { "name": "c", "type": "uint256[]" } + ], + "outputs": [], + "type" : "function" + } + ] + )"; + checkInterface(sourceCode, interface); +} + +BOOST_AUTO_TEST_SUITE_END() + +} +} +} diff --git a/test/libsolidity/SolidityEndToEndTest.cpp b/test/libsolidity/SolidityEndToEndTest.cpp new file mode 100644 index 00000000..ae2fc6dc --- /dev/null +++ b/test/libsolidity/SolidityEndToEndTest.cpp @@ -0,0 +1,5168 @@ +/* + 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/>. +*/ +/** + * @author Christian <c@ethdev.com> + * @author Gav Wood <g@ethdev.com> + * @date 2014 + * Unit tests for the solidity expression compiler, testing the behaviour of the code. + */ + +#include <string> +#include <tuple> +#include <boost/test/unit_test.hpp> +#include <libdevcore/Hash.h> +#include <libsolidity/Exceptions.h> +#include <test/libsolidity/solidityExecutionFramework.h> + +using namespace std; + +namespace dev +{ +namespace solidity +{ +namespace test +{ + +BOOST_FIXTURE_TEST_SUITE(SolidityEndToEndTest, ExecutionFramework) + +BOOST_AUTO_TEST_CASE(smoke_test) +{ + char const* sourceCode = "contract test {\n" + " function f(uint a) returns(uint d) { return a * 7; }\n" + "}\n"; + compileAndRun(sourceCode); + testSolidityAgainstCppOnRange("f(uint256)", [](u256 const& a) -> u256 { return a * 7; }, 0, 100); +} + +BOOST_AUTO_TEST_CASE(empty_contract) +{ + char const* sourceCode = "contract test {\n" + "}\n"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("i_am_not_there()", bytes()).empty()); +} + +BOOST_AUTO_TEST_CASE(exp_operator) +{ + char const* sourceCode = R"( + contract test { + function f(uint a) returns(uint d) { return 2 ** a; } + })"; + compileAndRun(sourceCode); + testSolidityAgainstCppOnRange("f(uint256)", [](u256 const& a) -> u256 { return u256(1 << a.convert_to<int>()); }, 0, 16); +} + +BOOST_AUTO_TEST_CASE(exp_operator_const) +{ + char const* sourceCode = R"( + contract test { + function f() returns(uint d) { return 2 ** 3; } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("f()", bytes()) == toBigEndian(u256(8))); +} + +BOOST_AUTO_TEST_CASE(exp_operator_const_signed) +{ + char const* sourceCode = R"( + contract test { + function f() returns(int d) { return (-2) ** 3; } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("f()", bytes()) == toBigEndian(u256(-8))); +} + +BOOST_AUTO_TEST_CASE(recursive_calls) +{ + char const* sourceCode = "contract test {\n" + " function f(uint n) returns(uint nfac) {\n" + " if (n <= 1) return 1;\n" + " else return n * f(n - 1);\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + function<u256(u256)> recursive_calls_cpp = [&recursive_calls_cpp](u256 const& n) -> u256 + { + if (n <= 1) + return 1; + else + return n * recursive_calls_cpp(n - 1); + }; + + testSolidityAgainstCppOnRange("f(uint256)", recursive_calls_cpp, 0, 5); +} + +BOOST_AUTO_TEST_CASE(multiple_functions) +{ + char const* sourceCode = "contract test {\n" + " function a() returns(uint n) { return 0; }\n" + " function b() returns(uint n) { return 1; }\n" + " function c() returns(uint n) { return 2; }\n" + " function f() returns(uint n) { return 3; }\n" + "}\n"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("a()", bytes()) == toBigEndian(u256(0))); + BOOST_CHECK(callContractFunction("b()", bytes()) == toBigEndian(u256(1))); + BOOST_CHECK(callContractFunction("c()", bytes()) == toBigEndian(u256(2))); + BOOST_CHECK(callContractFunction("f()", bytes()) == toBigEndian(u256(3))); + BOOST_CHECK(callContractFunction("i_am_not_there()", bytes()) == bytes()); +} + +BOOST_AUTO_TEST_CASE(named_args) +{ + char const* sourceCode = "contract test {\n" + " function a(uint a, uint b, uint c) returns (uint r) { r = a * 100 + b * 10 + c * 1; }\n" + " function b() returns (uint r) { r = a({a: 1, b: 2, c: 3}); }\n" + "}\n"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("b()", bytes()) == toBigEndian(u256(123))); +} + +BOOST_AUTO_TEST_CASE(disorder_named_args) +{ + char const* sourceCode = "contract test {\n" + " function a(uint a, uint b, uint c) returns (uint r) { r = a * 100 + b * 10 + c * 1; }\n" + " function b() returns (uint r) { r = a({c: 3, a: 1, b: 2}); }\n" + "}\n"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("b()", bytes()) == toBigEndian(u256(123))); +} + +BOOST_AUTO_TEST_CASE(while_loop) +{ + char const* sourceCode = "contract test {\n" + " function f(uint n) returns(uint nfac) {\n" + " nfac = 1;\n" + " var i = 2;\n" + " while (i <= n) nfac *= i++;\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + + auto while_loop_cpp = [](u256 const& n) -> u256 + { + u256 nfac = 1; + u256 i = 2; + while (i <= n) + nfac *= i++; + + return nfac; + }; + + testSolidityAgainstCppOnRange("f(uint256)", while_loop_cpp, 0, 5); +} + +BOOST_AUTO_TEST_CASE(break_outside_loop) +{ + // break and continue outside loops should be simply ignored + char const* sourceCode = "contract test {\n" + " function f(uint x) returns(uint y) {\n" + " break; continue; return 2;\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + testSolidityAgainstCpp("f(uint256)", [](u256 const&) -> u256 { return 2; }, u256(0)); +} + +BOOST_AUTO_TEST_CASE(nested_loops) +{ + // tests that break and continue statements in nested loops jump to the correct place + char const* sourceCode = "contract test {\n" + " function f(uint x) returns(uint y) {\n" + " while (x > 1) {\n" + " if (x == 10) break;\n" + " while (x > 5) {\n" + " if (x == 8) break;\n" + " x--;\n" + " if (x == 6) continue;\n" + " return x;\n" + " }\n" + " x--;\n" + " if (x == 3) continue;\n" + " break;\n" + " }\n" + " return x;\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + + auto nested_loops_cpp = [](u256 n) -> u256 + { + while (n > 1) + { + if (n == 10) + break; + while (n > 5) + { + if (n == 8) + break; + n--; + if (n == 6) + continue; + return n; + } + n--; + if (n == 3) + continue; + break; + } + + return n; + }; + + testSolidityAgainstCppOnRange("f(uint256)", nested_loops_cpp, 0, 12); +} + +BOOST_AUTO_TEST_CASE(for_loop) +{ + char const* sourceCode = "contract test {\n" + " function f(uint n) returns(uint nfac) {\n" + " nfac = 1;\n" + " for (var i = 2; i <= n; i++)\n" + " nfac *= i;\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + + auto for_loop_cpp = [](u256 const& n) -> u256 + { + u256 nfac = 1; + for (auto i = 2; i <= n; i++) + nfac *= i; + return nfac; + }; + + testSolidityAgainstCppOnRange("f(uint256)", for_loop_cpp, 0, 5); +} + +BOOST_AUTO_TEST_CASE(for_loop_empty) +{ + char const* sourceCode = "contract test {\n" + " function f() returns(uint ret) {\n" + " ret = 1;\n" + " for (;;)\n" + " {\n" + " ret += 1;\n" + " if (ret >= 10) break;\n" + " }\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + + auto for_loop_empty_cpp = []() -> u256 + { + u256 ret = 1; + for (;;) + { + ret += 1; + if (ret >= 10) break; + } + return ret; + }; + + testSolidityAgainstCpp("f()", for_loop_empty_cpp); +} + +BOOST_AUTO_TEST_CASE(for_loop_simple_init_expr) +{ + char const* sourceCode = "contract test {\n" + " function f(uint n) returns(uint nfac) {\n" + " nfac = 1;\n" + " uint256 i;\n" + " for (i = 2; i <= n; i++)\n" + " nfac *= i;\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + + auto for_loop_simple_init_expr_cpp = [](u256 const& n) -> u256 + { + u256 nfac = 1; + u256 i; + for (i = 2; i <= n; i++) + nfac *= i; + return nfac; + }; + + testSolidityAgainstCppOnRange("f(uint256)", for_loop_simple_init_expr_cpp, 0, 5); +} + +BOOST_AUTO_TEST_CASE(for_loop_break_continue) +{ + char const* sourceCode = R"( + contract test { + function f(uint n) returns (uint r) + { + uint i = 1; + uint k = 0; + for (i *= 5; k < n; i *= 7) + { + k++; + i += 4; + if (n % 3 == 0) + break; + i += 9; + if (n % 2 == 0) + continue; + i += 19; + } + return i; + } + } + )"; + compileAndRun(sourceCode); + + auto breakContinue = [](u256 const& n) -> u256 + { + u256 i = 1; + u256 k = 0; + for (i *= 5; k < n; i *= 7) + { + k++; + i += 4; + if (n % 3 == 0) + break; + i += 9; + if (n % 2 == 0) + continue; + i += 19; + } + return i; + }; + + testSolidityAgainstCppOnRange("f(uint256)", breakContinue, 0, 10); +} + +BOOST_AUTO_TEST_CASE(calling_other_functions) +{ + char const* sourceCode = "contract collatz {\n" + " function run(uint x) returns(uint y) {\n" + " while ((y = x) > 1) {\n" + " if (x % 2 == 0) x = evenStep(x);\n" + " else x = oddStep(x);\n" + " }\n" + " }\n" + " function evenStep(uint x) returns(uint y) {\n" + " return x / 2;\n" + " }\n" + " function oddStep(uint x) returns(uint y) {\n" + " return 3 * x + 1;\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + + auto evenStep_cpp = [](u256 const& n) -> u256 + { + return n / 2; + }; + + auto oddStep_cpp = [](u256 const& n) -> u256 + { + return 3 * n + 1; + }; + + auto collatz_cpp = [&evenStep_cpp, &oddStep_cpp](u256 n) -> u256 + { + u256 y; + while ((y = n) > 1) + { + if (n % 2 == 0) + n = evenStep_cpp(n); + else + n = oddStep_cpp(n); + } + return y; + }; + + testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(0)); + testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(1)); + testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(2)); + testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(8)); + testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(127)); +} + +BOOST_AUTO_TEST_CASE(many_local_variables) +{ + char const* sourceCode = "contract test {\n" + " function run(uint x1, uint x2, uint x3) returns(uint y) {\n" + " var a = 0x1; var b = 0x10; var c = 0x100;\n" + " y = a + b + c + x1 + x2 + x3;\n" + " y += b + x2;\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + auto f = [](u256 const& x1, u256 const& x2, u256 const& x3) -> u256 + { + u256 a = 0x1; + u256 b = 0x10; + u256 c = 0x100; + u256 y = a + b + c + x1 + x2 + x3; + return y + b + x2; + }; + testSolidityAgainstCpp("run(uint256,uint256,uint256)", f, u256(0x1000), u256(0x10000), u256(0x100000)); +} + +BOOST_AUTO_TEST_CASE(packing_unpacking_types) +{ + char const* sourceCode = "contract test {\n" + " function run(bool a, uint32 b, uint64 c) returns(uint256 y) {\n" + " if (a) y = 1;\n" + " y = y * 0x100000000 | ~b;\n" + " y = y * 0x10000000000000000 | ~c;\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("run(bool,uint32,uint64)", true, fromHex("0f0f0f0f"), fromHex("f0f0f0f0f0f0f0f0")) + == fromHex("00000000000000000000000000000000000000""01""f0f0f0f0""0f0f0f0f0f0f0f0f")); +} + +BOOST_AUTO_TEST_CASE(packing_signed_types) +{ + char const* sourceCode = "contract test {\n" + " function run() returns(int8 y) {\n" + " uint8 x = 0xfa;\n" + " return int8(x);\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("run()") + == fromHex("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa")); +} + +BOOST_AUTO_TEST_CASE(multiple_return_values) +{ + char const* sourceCode = "contract test {\n" + " function run(bool x1, uint x2) returns(uint y1, bool y2, uint y3) {\n" + " y1 = x2; y2 = x1;\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("run(bool,uint256)", true, 0xcd) == encodeArgs(0xcd, true, 0)); +} + +BOOST_AUTO_TEST_CASE(short_circuiting) +{ + char const* sourceCode = "contract test {\n" + " function run(uint x) returns(uint y) {\n" + " x == 0 || ((x = 8) > 0);\n" + " return x;" + " }\n" + "}\n"; + compileAndRun(sourceCode); + + auto short_circuiting_cpp = [](u256 n) -> u256 + { + (void)(n == 0 || (n = 8) > 0); + return n; + }; + + testSolidityAgainstCppOnRange("run(uint256)", short_circuiting_cpp, 0, 2); +} + +BOOST_AUTO_TEST_CASE(high_bits_cleaning) +{ + char const* sourceCode = "contract test {\n" + " function run() returns(uint256 y) {\n" + " uint32 t = uint32(0xffffffff);\n" + " uint32 x = t + 10;\n" + " if (x >= 0xffffffff) return 0;\n" + " return x;" + " }\n" + "}\n"; + compileAndRun(sourceCode); + auto high_bits_cleaning_cpp = []() -> u256 + { + uint32_t t = uint32_t(0xffffffff); + uint32_t x = t + 10; + if (x >= 0xffffffff) + return 0; + return x; + }; + testSolidityAgainstCpp("run()", high_bits_cleaning_cpp); +} + +BOOST_AUTO_TEST_CASE(sign_extension) +{ + char const* sourceCode = "contract test {\n" + " function run() returns(uint256 y) {\n" + " int64 x = -int32(0xff);\n" + " if (x >= 0xff) return 0;\n" + " return -uint256(x);" + " }\n" + "}\n"; + compileAndRun(sourceCode); + auto sign_extension_cpp = []() -> u256 + { + int64_t x = -int32_t(0xff); + if (x >= 0xff) + return 0; + return u256(x) * -1; + }; + testSolidityAgainstCpp("run()", sign_extension_cpp); +} + +BOOST_AUTO_TEST_CASE(small_unsigned_types) +{ + char const* sourceCode = "contract test {\n" + " function run() returns(uint256 y) {\n" + " uint32 t = uint32(0xffffff);\n" + " uint32 x = t * 0xffffff;\n" + " return x / 0x100;" + " }\n" + "}\n"; + compileAndRun(sourceCode); + auto small_unsigned_types_cpp = []() -> u256 + { + uint32_t t = uint32_t(0xffffff); + uint32_t x = t * 0xffffff; + return x / 0x100; + }; + testSolidityAgainstCpp("run()", small_unsigned_types_cpp); +} + +BOOST_AUTO_TEST_CASE(small_signed_types) +{ + char const* sourceCode = "contract test {\n" + " function run() returns(int256 y) {\n" + " return -int32(10) * -int64(20);\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + auto small_signed_types_cpp = []() -> u256 + { + return -int32_t(10) * -int64_t(20); + }; + testSolidityAgainstCpp("run()", small_signed_types_cpp); +} + +BOOST_AUTO_TEST_CASE(strings) +{ + char const* sourceCode = "contract test {\n" + " function fixed() returns(bytes32 ret) {\n" + " return \"abc\\x00\\xff__\";\n" + " }\n" + " function pipeThrough(bytes2 small, bool one) returns(bytes16 large, bool oneRet) {\n" + " oneRet = one;\n" + " large = small;\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("fixed()") == encodeArgs(string("abc\0\xff__", 7))); + BOOST_CHECK(callContractFunction("pipeThrough(bytes2,bool)", string("\0\x02", 2), true) == encodeArgs(string("\0\x2", 2), true)); +} + +BOOST_AUTO_TEST_CASE(inc_dec_operators) +{ + char const* sourceCode = R"( + contract test { + uint8 x; + uint v; + function f() returns (uint r) { + uint a = 6; + r = a; + r += (a++) * 0x10; + r += (++a) * 0x100; + v = 3; + r += (v++) * 0x1000; + r += (++v) * 0x10000; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("f()") == encodeArgs(0x53866)); +} + +BOOST_AUTO_TEST_CASE(bytes_comparison) +{ + char const* sourceCode = R"( + contract test { + function f() returns (bool) { + bytes2 a = "a"; + bytes2 x = "aa"; + bytes2 b = "b"; + return a < x && x < b; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("f()") == encodeArgs(true)); +} + +BOOST_AUTO_TEST_CASE(state_smoke_test) +{ + char const* sourceCode = "contract test {\n" + " uint256 value1;\n" + " uint256 value2;\n" + " function get(uint8 which) returns (uint256 value) {\n" + " if (which == 0) return value1;\n" + " else return value2;\n" + " }\n" + " function set(uint8 which, uint256 value) {\n" + " if (which == 0) value1 = value;\n" + " else value2 = value;\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(0)); + BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(0)); + BOOST_CHECK(callContractFunction("set(uint8,uint256)", byte(0x00), 0x1234) == encodeArgs()); + BOOST_CHECK(callContractFunction("set(uint8,uint256)", byte(0x01), 0x8765) == encodeArgs()); + BOOST_CHECK(callContractFunction("get(uint8)", byte( 0x00)) == encodeArgs(0x1234)); + BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(0x8765)); + BOOST_CHECK(callContractFunction("set(uint8,uint256)", byte(0x00), 0x3) == encodeArgs()); + BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(0x3)); +} + +BOOST_AUTO_TEST_CASE(compound_assign) +{ + char const* sourceCode = "contract test {\n" + " uint value1;\n" + " uint value2;\n" + " function f(uint x, uint y) returns (uint w) {\n" + " uint value3 = y;" + " value1 += x;\n" + " value3 *= x;" + " value2 *= value3 + value1;\n" + " return value2 += 7;" + " }\n" + "}\n"; + compileAndRun(sourceCode); + + u256 value1; + u256 value2; + auto f = [&](u256 const& _x, u256 const& _y) -> u256 + { + u256 value3 = _y; + value1 += _x; + value3 *= _x; + value2 *= value3 + value1; + return value2 += 7; + }; + testSolidityAgainstCpp("f(uint256,uint256)", f, u256(0), u256(6)); + testSolidityAgainstCpp("f(uint256,uint256)", f, u256(1), u256(3)); + testSolidityAgainstCpp("f(uint256,uint256)", f, u256(2), u256(25)); + testSolidityAgainstCpp("f(uint256,uint256)", f, u256(3), u256(69)); + testSolidityAgainstCpp("f(uint256,uint256)", f, u256(4), u256(84)); + testSolidityAgainstCpp("f(uint256,uint256)", f, u256(5), u256(2)); + testSolidityAgainstCpp("f(uint256,uint256)", f, u256(6), u256(51)); + testSolidityAgainstCpp("f(uint256,uint256)", f, u256(7), u256(48)); +} + +BOOST_AUTO_TEST_CASE(simple_mapping) +{ + char const* sourceCode = "contract test {\n" + " mapping(uint8 => uint8) table;\n" + " function get(uint8 k) returns (uint8 v) {\n" + " return table[k];\n" + " }\n" + " function set(uint8 k, uint8 v) {\n" + " table[k] = v;\n" + " }\n" + "}"; + compileAndRun(sourceCode); + + BOOST_CHECK(callContractFunction("get(uint8)", byte(0)) == encodeArgs(byte(0x00))); + BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(byte(0x00))); + BOOST_CHECK(callContractFunction("get(uint8)", byte(0xa7)) == encodeArgs(byte(0x00))); + callContractFunction("set(uint8,uint8)", byte(0x01), byte(0xa1)); + BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(byte(0x00))); + BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(byte(0xa1))); + BOOST_CHECK(callContractFunction("get(uint8)", byte(0xa7)) == encodeArgs(byte(0x00))); + callContractFunction("set(uint8,uint8)", byte(0x00), byte(0xef)); + BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(byte(0xef))); + BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(byte(0xa1))); + BOOST_CHECK(callContractFunction("get(uint8)", byte(0xa7)) == encodeArgs(byte(0x00))); + callContractFunction("set(uint8,uint8)", byte(0x01), byte(0x05)); + BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(byte(0xef))); + BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(byte(0x05))); + BOOST_CHECK(callContractFunction("get(uint8)", byte(0xa7)) == encodeArgs(byte(0x00))); +} + +BOOST_AUTO_TEST_CASE(mapping_state) +{ + char const* sourceCode = "contract Ballot {\n" + " mapping(address => bool) canVote;\n" + " mapping(address => uint) voteCount;\n" + " mapping(address => bool) voted;\n" + " function getVoteCount(address addr) returns (uint retVoteCount) {\n" + " return voteCount[addr];\n" + " }\n" + " function grantVoteRight(address addr) {\n" + " canVote[addr] = true;\n" + " }\n" + " function vote(address voter, address vote) returns (bool success) {\n" + " if (!canVote[voter] || voted[voter]) return false;\n" + " voted[voter] = true;\n" + " voteCount[vote] = voteCount[vote] + 1;\n" + " return true;\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + class Ballot + { + public: + u256 getVoteCount(u160 _address) { return m_voteCount[_address]; } + void grantVoteRight(u160 _address) { m_canVote[_address] = true; } + bool vote(u160 _voter, u160 _vote) + { + if (!m_canVote[_voter] || m_voted[_voter]) return false; + m_voted[_voter] = true; + m_voteCount[_vote]++; + return true; + } + private: + map<u160, bool> m_canVote; + map<u160, u256> m_voteCount; + map<u160, bool> m_voted; + } ballot; + + auto getVoteCount = bind(&Ballot::getVoteCount, &ballot, _1); + auto grantVoteRight = bind(&Ballot::grantVoteRight, &ballot, _1); + auto vote = bind(&Ballot::vote, &ballot, _1, _2); + testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0)); + testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1)); + testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2)); + // voting without vote right should be rejected + testSolidityAgainstCpp("vote(address,address)", vote, u160(0), u160(2)); + testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0)); + testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1)); + testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2)); + // grant vote rights + testSolidityAgainstCpp("grantVoteRight(address)", grantVoteRight, u160(0)); + testSolidityAgainstCpp("grantVoteRight(address)", grantVoteRight, u160(1)); + // vote, should increase 2's vote count + testSolidityAgainstCpp("vote(address,address)", vote, u160(0), u160(2)); + testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0)); + testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1)); + testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2)); + // vote again, should be rejected + testSolidityAgainstCpp("vote(address,address)", vote, u160(0), u160(1)); + testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0)); + testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1)); + testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2)); + // vote without right to vote + testSolidityAgainstCpp("vote(address,address)", vote, u160(2), u160(1)); + testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0)); + testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1)); + testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2)); + // grant vote right and now vote again + testSolidityAgainstCpp("grantVoteRight(address)", grantVoteRight, u160(2)); + testSolidityAgainstCpp("vote(address,address)", vote, u160(2), u160(1)); + testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0)); + testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1)); + testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2)); +} + +BOOST_AUTO_TEST_CASE(mapping_state_inc_dec) +{ + char const* sourceCode = "contract test {\n" + " uint value;\n" + " mapping(uint => uint) table;\n" + " function f(uint x) returns (uint y) {\n" + " value = x;\n" + " if (x > 0) table[++value] = 8;\n" + " if (x > 1) value--;\n" + " if (x > 2) table[value]++;\n" + " return --table[value++];\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + + u256 value = 0; + map<u256, u256> table; + auto f = [&](u256 const& _x) -> u256 + { + value = _x; + if (_x > 0) + table[++value] = 8; + if (_x > 1) + value --; + if (_x > 2) + table[value]++; + return --table[value++]; + }; + testSolidityAgainstCppOnRange("f(uint256)", f, 0, 5); +} + +BOOST_AUTO_TEST_CASE(multi_level_mapping) +{ + char const* sourceCode = "contract test {\n" + " mapping(uint => mapping(uint => uint)) table;\n" + " function f(uint x, uint y, uint z) returns (uint w) {\n" + " if (z == 0) return table[x][y];\n" + " else return table[x][y] = z;\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + + map<u256, map<u256, u256>> table; + auto f = [&](u256 const& _x, u256 const& _y, u256 const& _z) -> u256 + { + if (_z == 0) return table[_x][_y]; + else return table[_x][_y] = _z; + }; + testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(0)); + testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(0)); + testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(9)); + testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(0)); + testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(0)); + testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(7)); + testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(0)); + testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(0)); +} + +BOOST_AUTO_TEST_CASE(structs) +{ + char const* sourceCode = "contract test {\n" + " struct s1 {\n" + " uint8 x;\n" + " bool y;\n" + " }\n" + " struct s2 {\n" + " uint32 z;\n" + " s1 s1data;\n" + " mapping(uint8 => s2) recursive;\n" + " }\n" + " s2 data;\n" + " function check() returns (bool ok) {\n" + " return data.z == 1 && data.s1data.x == 2 && \n" + " data.s1data.y == true && \n" + " data.recursive[3].recursive[4].z == 5 && \n" + " data.recursive[4].recursive[3].z == 6 && \n" + " data.recursive[0].s1data.y == false && \n" + " data.recursive[4].z == 9;\n" + " }\n" + " function set() {\n" + " data.z = 1;\n" + " data.s1data.x = 2;\n" + " data.s1data.y = true;\n" + " data.recursive[3].recursive[4].z = 5;\n" + " data.recursive[4].recursive[3].z = 6;\n" + " data.recursive[0].s1data.y = false;\n" + " data.recursive[4].z = 9;\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("check()") == encodeArgs(false)); + BOOST_CHECK(callContractFunction("set()") == bytes()); + BOOST_CHECK(callContractFunction("check()") == encodeArgs(true)); +} + +BOOST_AUTO_TEST_CASE(struct_reference) +{ + char const* sourceCode = "contract test {\n" + " struct s2 {\n" + " uint32 z;\n" + " mapping(uint8 => s2) recursive;\n" + " }\n" + " s2 data;\n" + " function check() returns (bool ok) {\n" + " return data.z == 2 && \n" + " data.recursive[0].z == 3 && \n" + " data.recursive[0].recursive[1].z == 0 && \n" + " data.recursive[0].recursive[0].z == 1;\n" + " }\n" + " function set() {\n" + " data.z = 2;\n" + " var map = data.recursive;\n" + " s2 inner = map[0];\n" + " inner.z = 3;\n" + " inner.recursive[0].z = inner.recursive[1].z + 1;\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("check()") == encodeArgs(false)); + BOOST_CHECK(callContractFunction("set()") == bytes()); + BOOST_CHECK(callContractFunction("check()") == encodeArgs(true)); +} + +BOOST_AUTO_TEST_CASE(deleteStruct) +{ + char const* sourceCode = R"( + contract test { + struct topStruct { + nestedStruct nstr; + emptyStruct empty; + uint topValue; + mapping (uint => uint) topMapping; + } + uint toDelete; + topStruct str; + struct nestedStruct { + uint nestedValue; + mapping (uint => bool) nestedMapping; + } + struct emptyStruct{ + } + function test(){ + toDelete = 5; + str.topValue = 1; + str.topMapping[0] = 1; + str.topMapping[1] = 2; + + str.nstr.nestedValue = 2; + str.nstr.nestedMapping[0] = true; + str.nstr.nestedMapping[1] = false; + delete str; + delete toDelete; + } + function getToDelete() returns (uint res){ + res = toDelete; + } + function getTopValue() returns(uint topValue){ + topValue = str.topValue; + } + function getNestedValue() returns(uint nestedValue){ + nestedValue = str.nstr.nestedValue; + } + function getTopMapping(uint index) returns(uint ret) { + ret = str.topMapping[index]; + } + function getNestedMapping(uint index) returns(bool ret) { + return str.nstr.nestedMapping[index]; + } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("getToDelete()") == encodeArgs(0)); + BOOST_CHECK(callContractFunction("getTopValue()") == encodeArgs(0)); + BOOST_CHECK(callContractFunction("getNestedValue()") == encodeArgs(0)); + // mapping values should be the same + BOOST_CHECK(callContractFunction("getTopMapping(uint256)", 0) == encodeArgs(1)); + BOOST_CHECK(callContractFunction("getTopMapping(uint256)", 1) == encodeArgs(2)); + BOOST_CHECK(callContractFunction("getNestedMapping(uint256)", 0) == encodeArgs(true)); + BOOST_CHECK(callContractFunction("getNestedMapping(uint256)", 1) == encodeArgs(false)); +} + +BOOST_AUTO_TEST_CASE(deleteLocal) +{ + char const* sourceCode = R"( + contract test { + function delLocal() returns (uint res){ + uint v = 5; + delete v; + res = v; + } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("delLocal()") == encodeArgs(0)); +} + +BOOST_AUTO_TEST_CASE(deleteLocals) +{ + char const* sourceCode = R"( + contract test { + function delLocal() returns (uint res1, uint res2){ + uint v = 5; + uint w = 6; + uint x = 7; + delete v; + res1 = w; + res2 = x; + } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("delLocal()") == encodeArgs(6, 7)); +} + +BOOST_AUTO_TEST_CASE(constructor) +{ + char const* sourceCode = "contract test {\n" + " mapping(uint => uint) data;\n" + " function test() {\n" + " data[7] = 8;\n" + " }\n" + " function get(uint key) returns (uint value) {\n" + " return data[key];" + " }\n" + "}\n"; + compileAndRun(sourceCode); + map<u256, byte> data; + data[7] = 8; + auto get = [&](u256 const& _x) -> u256 + { + return data[_x]; + }; + testSolidityAgainstCpp("get(uint256)", get, u256(6)); + testSolidityAgainstCpp("get(uint256)", get, u256(7)); +} + +BOOST_AUTO_TEST_CASE(simple_accessor) +{ + char const* sourceCode = "contract test {\n" + " uint256 public data;\n" + " function test() {\n" + " data = 8;\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("data()") == encodeArgs(8)); +} + +BOOST_AUTO_TEST_CASE(array_accessor) +{ + char const* sourceCode = R"( + contract test { + uint[8] public data; + uint[] public dynamicData; + uint24[] public smallTypeData; + struct st { uint a; uint[] finalArray; } + mapping(uint256 => mapping(uint256 => st[5])) public multiple_map; + + function test() { + data[0] = 8; + dynamicData.length = 3; + dynamicData[2] = 8; + smallTypeData.length = 128; + smallTypeData[1] = 22; + smallTypeData[127] = 2; + multiple_map[2][1][2].a = 3; + multiple_map[2][1][2].finalArray.length = 4; + multiple_map[2][1][2].finalArray[3] = 5; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("data(uint256)", 0) == encodeArgs(8)); + BOOST_CHECK(callContractFunction("data(uint256)", 8) == encodeArgs()); + BOOST_CHECK(callContractFunction("dynamicData(uint256)", 2) == encodeArgs(8)); + BOOST_CHECK(callContractFunction("dynamicData(uint256)", 8) == encodeArgs()); + BOOST_CHECK(callContractFunction("smallTypeData(uint256)", 1) == encodeArgs(22)); + BOOST_CHECK(callContractFunction("smallTypeData(uint256)", 127) == encodeArgs(2)); + BOOST_CHECK(callContractFunction("smallTypeData(uint256)", 128) == encodeArgs()); + BOOST_CHECK(callContractFunction("multiple_map(uint256,uint256,uint256)", 2, 1, 2) == encodeArgs(3)); +} + +BOOST_AUTO_TEST_CASE(accessors_mapping_for_array) +{ + char const* sourceCode = R"( + contract test { + mapping(uint => uint[8]) public data; + mapping(uint => uint[]) public dynamicData; + function test() { + data[2][2] = 8; + dynamicData[2].length = 3; + dynamicData[2][2] = 8; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("data(uint256,uint256)", 2, 2) == encodeArgs(8)); + BOOST_CHECK(callContractFunction("data(uint256, 256)", 2, 8) == encodeArgs()); + BOOST_CHECK(callContractFunction("dynamicData(uint256,uint256)", 2, 2) == encodeArgs(8)); + BOOST_CHECK(callContractFunction("dynamicData(uint256,uint256)", 2, 8) == encodeArgs()); +} + +BOOST_AUTO_TEST_CASE(multiple_elementary_accessors) +{ + char const* sourceCode = "contract test {\n" + " uint256 public data;\n" + " bytes6 public name;\n" + " bytes32 public a_hash;\n" + " address public an_address;\n" + " function test() {\n" + " data = 8;\n" + " name = \"Celina\";\n" + " a_hash = sha3(123);\n" + " an_address = address(0x1337);\n" + " super_secret_data = 42;\n" + " }\n" + " uint256 super_secret_data;" + "}\n"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("data()") == encodeArgs(8)); + BOOST_CHECK(callContractFunction("name()") == encodeArgs("Celina")); + BOOST_CHECK(callContractFunction("a_hash()") == encodeArgs(dev::sha3(bytes(1, 0x7b)))); + BOOST_CHECK(callContractFunction("an_address()") == encodeArgs(toBigEndian(u160(0x1337)))); + BOOST_CHECK(callContractFunction("super_secret_data()") == bytes()); +} + +BOOST_AUTO_TEST_CASE(complex_accessors) +{ + char const* sourceCode = R"( + contract test { + mapping(uint256 => bytes4) public to_string_map; + mapping(uint256 => bool) public to_bool_map; + mapping(uint256 => uint256) public to_uint_map; + mapping(uint256 => mapping(uint256 => uint256)) public to_multiple_map; + function test() { + to_string_map[42] = "24"; + to_bool_map[42] = false; + to_uint_map[42] = 12; + to_multiple_map[42][23] = 31; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("to_string_map(uint256)", 42) == encodeArgs("24")); + BOOST_CHECK(callContractFunction("to_bool_map(uint256)", 42) == encodeArgs(false)); + BOOST_CHECK(callContractFunction("to_uint_map(uint256)", 42) == encodeArgs(12)); + BOOST_CHECK(callContractFunction("to_multiple_map(uint256,uint256)", 42, 23) == encodeArgs(31)); +} + +BOOST_AUTO_TEST_CASE(struct_accessor) +{ + char const* sourceCode = R"( + contract test { + struct Data { uint a; uint8 b; mapping(uint => uint) c; bool d; } + mapping(uint => Data) public data; + function test() { + data[7].a = 1; + data[7].b = 2; + data[7].c[0] = 3; + data[7].d = true; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("data(uint256)", 7) == encodeArgs(1, 2, true)); +} + +BOOST_AUTO_TEST_CASE(balance) +{ + char const* sourceCode = "contract test {\n" + " function getBalance() returns (uint256 balance) {\n" + " return address(this).balance;\n" + " }\n" + "}\n"; + compileAndRun(sourceCode, 23); + BOOST_CHECK(callContractFunction("getBalance()") == encodeArgs(23)); +} + +BOOST_AUTO_TEST_CASE(blockchain) +{ + char const* sourceCode = "contract test {\n" + " function someInfo() returns (uint256 value, address coinbase, uint256 blockNumber) {\n" + " value = msg.value;\n" + " coinbase = block.coinbase;\n" + " blockNumber = block.number;\n" + " }\n" + "}\n"; + m_envInfo.setBeneficiary(Address(0x123)); + m_envInfo.setNumber(7); + compileAndRun(sourceCode, 27); + BOOST_CHECK(callContractFunctionWithValue("someInfo()", 28) == encodeArgs(28, 0x123, 7)); +} + +BOOST_AUTO_TEST_CASE(msg_sig) +{ + char const* sourceCode = R"( + contract test { + function foo(uint256 a) returns (bytes4 value) { + return msg.sig; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunctionWithValue("foo(uint256)", 13) == encodeArgs(asString(FixedHash<4>(dev::sha3("foo(uint256)")).asBytes()))); +} + +BOOST_AUTO_TEST_CASE(msg_sig_after_internal_call_is_same) +{ + char const* sourceCode = R"( + contract test { + function boo() returns (bytes4 value) { + return msg.sig; + } + function foo(uint256 a) returns (bytes4 value) { + return boo(); + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunctionWithValue("foo(uint256)", 13) == encodeArgs(asString(FixedHash<4>(dev::sha3("foo(uint256)")).asBytes()))); +} + +BOOST_AUTO_TEST_CASE(now) +{ + char const* sourceCode = "contract test {\n" + " function someInfo() returns (bool equal, uint val) {\n" + " equal = block.timestamp == now;\n" + " val = now;\n" + " }\n" + "}\n"; + m_envInfo.setTimestamp(9); + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("someInfo()") == encodeArgs(true, 9)); +} + +BOOST_AUTO_TEST_CASE(type_conversions_cleanup) +{ + // 22-byte integer converted to a contract (i.e. address, 20 bytes), converted to a 32 byte + // integer should drop the first two bytes + char const* sourceCode = R"( + contract Test { + function test() returns (uint ret) { return uint(address(Test(address(0x11223344556677889900112233445566778899001122)))); } + })"; + compileAndRun(sourceCode); + BOOST_REQUIRE(callContractFunction("test()") == bytes({0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0x00, 0x11, 0x22, + 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0x00, 0x11, 0x22})); +} +// fixed bytes to fixed bytes conversion tests +BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_fixed_bytes_smaller_size) +{ + char const* sourceCode = R"( + contract Test { + function bytesToBytes(bytes4 input) returns (bytes2 ret) { + return bytes2(input); + } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("bytesToBytes(bytes4)", "abcd") == encodeArgs("ab")); +} + +BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_fixed_bytes_greater_size) +{ + char const* sourceCode = R"( + contract Test { + function bytesToBytes(bytes2 input) returns (bytes4 ret) { + return bytes4(input); + } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("bytesToBytes(bytes2)", "ab") == encodeArgs("ab")); +} + +BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_fixed_bytes_same_size) +{ + char const* sourceCode = R"( + contract Test { + function bytesToBytes(bytes4 input) returns (bytes4 ret) { + return bytes4(input); + } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("bytesToBytes(bytes4)", "abcd") == encodeArgs("abcd")); +} +// fixed bytes to uint conversion tests +BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_uint_same_size) +{ + char const* sourceCode = R"( + contract Test { + function bytesToUint(bytes32 s) returns (uint256 h) { + return uint(s); + } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("bytesToUint(bytes32)", string("abc2")) == + encodeArgs(u256("0x6162633200000000000000000000000000000000000000000000000000000000"))); +} + +BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_uint_same_min_size) +{ + char const* sourceCode = R"( + contract Test { + function bytesToUint(bytes1 s) returns (uint8 h) { + return uint8(s); + } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("bytesToUint(bytes1)", string("a")) == + encodeArgs(u256("0x61"))); +} + +BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_uint_smaller_size) +{ + char const* sourceCode = R"( + contract Test { + function bytesToUint(bytes4 s) returns (uint16 h) { + return uint16(s); + } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("bytesToUint(bytes4)", string("abcd")) == + encodeArgs(u256("0x6364"))); +} + +BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_uint_greater_size) +{ + char const* sourceCode = R"( + contract Test { + function bytesToUint(bytes4 s) returns (uint64 h) { + return uint64(s); + } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("bytesToUint(bytes4)", string("abcd")) == + encodeArgs(u256("0x61626364"))); +} +// uint fixed bytes conversion tests +BOOST_AUTO_TEST_CASE(convert_uint_to_fixed_bytes_same_size) +{ + char const* sourceCode = R"( + contract Test { + function uintToBytes(uint256 h) returns (bytes32 s) { + return bytes32(h); + } + })"; + compileAndRun(sourceCode); + u256 a("0x6162630000000000000000000000000000000000000000000000000000000000"); + BOOST_CHECK(callContractFunction("uintToBytes(uint256)", a) == encodeArgs(a)); +} + +BOOST_AUTO_TEST_CASE(convert_uint_to_fixed_bytes_same_min_size) +{ + char const* sourceCode = R"( + contract Test { + function UintToBytes(uint8 h) returns (bytes1 s) { + return bytes1(h); + } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("UintToBytes(uint8)", u256("0x61")) == + encodeArgs(string("a"))); +} + +BOOST_AUTO_TEST_CASE(convert_uint_to_fixed_bytes_smaller_size) +{ + char const* sourceCode = R"( + contract Test { + function uintToBytes(uint32 h) returns (bytes2 s) { + return bytes2(h); + } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("uintToBytes(uint32)", + u160("0x61626364")) == encodeArgs(string("cd"))); +} + +BOOST_AUTO_TEST_CASE(convert_uint_to_fixed_bytes_greater_size) +{ + char const* sourceCode = R"( + contract Test { + function UintToBytes(uint16 h) returns (bytes8 s) { + return bytes8(h); + } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("UintToBytes(uint16)", u256("0x6162")) == + encodeArgs(string("\0\0\0\0\0\0ab", 8))); +} + +BOOST_AUTO_TEST_CASE(send_ether) +{ + char const* sourceCode = "contract test {\n" + " function a(address addr, uint amount) returns (uint ret) {\n" + " addr.send(amount);\n" + " return address(this).balance;\n" + " }\n" + "}\n"; + u256 amount(130); + compileAndRun(sourceCode, amount + 1); + u160 address(23); + BOOST_CHECK(callContractFunction("a(address,uint256)", address, amount) == encodeArgs(1)); + BOOST_CHECK_EQUAL(m_state.balance(address), amount); +} + +BOOST_AUTO_TEST_CASE(log0) +{ + char const* sourceCode = "contract test {\n" + " function a() {\n" + " log0(1);\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + callContractFunction("a()"); + BOOST_CHECK_EQUAL(m_logs.size(), 1); + BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress); + BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1))); + BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 0); +} + +BOOST_AUTO_TEST_CASE(log1) +{ + char const* sourceCode = "contract test {\n" + " function a() {\n" + " log1(1, 2);\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + callContractFunction("a()"); + BOOST_CHECK_EQUAL(m_logs.size(), 1); + BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress); + BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1))); + BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 1); + BOOST_CHECK_EQUAL(m_logs[0].topics[0], h256(u256(2))); +} + +BOOST_AUTO_TEST_CASE(log2) +{ + char const* sourceCode = "contract test {\n" + " function a() {\n" + " log2(1, 2, 3);\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + callContractFunction("a()"); + BOOST_CHECK_EQUAL(m_logs.size(), 1); + BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress); + BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1))); + BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 2); + for (unsigned i = 0; i < 2; ++i) + BOOST_CHECK_EQUAL(m_logs[0].topics[i], h256(u256(i + 2))); +} + +BOOST_AUTO_TEST_CASE(log3) +{ + char const* sourceCode = "contract test {\n" + " function a() {\n" + " log3(1, 2, 3, 4);\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + callContractFunction("a()"); + BOOST_CHECK_EQUAL(m_logs.size(), 1); + BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress); + BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1))); + BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 3); + for (unsigned i = 0; i < 3; ++i) + BOOST_CHECK_EQUAL(m_logs[0].topics[i], h256(u256(i + 2))); +} + +BOOST_AUTO_TEST_CASE(log4) +{ + char const* sourceCode = "contract test {\n" + " function a() {\n" + " log4(1, 2, 3, 4, 5);\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + callContractFunction("a()"); + BOOST_CHECK_EQUAL(m_logs.size(), 1); + BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress); + BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1))); + BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 4); + for (unsigned i = 0; i < 4; ++i) + BOOST_CHECK_EQUAL(m_logs[0].topics[i], h256(u256(i + 2))); +} + +BOOST_AUTO_TEST_CASE(log_in_constructor) +{ + char const* sourceCode = "contract test {\n" + " function test() {\n" + " log1(1, 2);\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + BOOST_CHECK_EQUAL(m_logs.size(), 1); + BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress); + BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1))); + BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 1); + BOOST_CHECK_EQUAL(m_logs[0].topics[0], h256(u256(2))); +} + +BOOST_AUTO_TEST_CASE(suicide) +{ + char const* sourceCode = "contract test {\n" + " function a(address receiver) returns (uint ret) {\n" + " suicide(receiver);\n" + " return 10;\n" + " }\n" + "}\n"; + u256 amount(130); + compileAndRun(sourceCode, amount); + u160 address(23); + BOOST_CHECK(callContractFunction("a(address)", address) == bytes()); + BOOST_CHECK(!m_state.addressHasCode(m_contractAddress)); + BOOST_CHECK_EQUAL(m_state.balance(address), amount); +} + +BOOST_AUTO_TEST_CASE(sha3) +{ + char const* sourceCode = "contract test {\n" + " function a(bytes32 input) returns (bytes32 sha3hash) {\n" + " return sha3(input);\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + auto f = [&](u256 const& _x) -> u256 + { + return dev::sha3(toBigEndian(_x)); + }; + testSolidityAgainstCpp("a(bytes32)", f, u256(4)); + testSolidityAgainstCpp("a(bytes32)", f, u256(5)); + testSolidityAgainstCpp("a(bytes32)", f, u256(-1)); +} + +BOOST_AUTO_TEST_CASE(sha256) +{ + char const* sourceCode = "contract test {\n" + " function a(bytes32 input) returns (bytes32 sha256hash) {\n" + " return sha256(input);\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + auto f = [&](u256 const& _input) -> u256 + { + return dev::sha256(dev::ref(toBigEndian(_input))); + }; + testSolidityAgainstCpp("a(bytes32)", f, u256(4)); + testSolidityAgainstCpp("a(bytes32)", f, u256(5)); + testSolidityAgainstCpp("a(bytes32)", f, u256(-1)); +} + +BOOST_AUTO_TEST_CASE(ripemd) +{ + char const* sourceCode = "contract test {\n" + " function a(bytes32 input) returns (bytes32 sha256hash) {\n" + " return ripemd160(input);\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + auto f = [&](u256 const& _input) -> u256 + { + return h256(dev::ripemd160(h256(_input).ref()), h256::AlignLeft); // This should be aligned right. i guess it's fixed elsewhere? + }; + testSolidityAgainstCpp("a(bytes32)", f, u256(4)); + testSolidityAgainstCpp("a(bytes32)", f, u256(5)); + testSolidityAgainstCpp("a(bytes32)", f, u256(-1)); +} + +BOOST_AUTO_TEST_CASE(ecrecover) +{ + char const* sourceCode = "contract test {\n" + " function a(bytes32 h, uint8 v, bytes32 r, bytes32 s) returns (address addr) {\n" + " return ecrecover(h, v, r, s);\n" + " }\n" + "}\n"; + compileAndRun(sourceCode); + u256 h("0x18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c"); + byte v = 28; + u256 r("0x73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75f"); + u256 s("0xeeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549"); + u160 addr("0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b"); + BOOST_CHECK(callContractFunction("a(bytes32,uint8,bytes32,bytes32)", h, v, r, s) == encodeArgs(addr)); +} + +BOOST_AUTO_TEST_CASE(inter_contract_calls) +{ + char const* sourceCode = R"( + contract Helper { + function multiply(uint a, uint b) returns (uint c) { + return a * b; + } + } + contract Main { + Helper h; + function callHelper(uint a, uint b) returns (uint c) { + return h.multiply(a, b); + } + function getHelper() returns (address haddress) { + return address(h); + } + function setHelper(address haddress) { + h = Helper(haddress); + } + })"; + compileAndRun(sourceCode, 0, "Helper"); + u160 const c_helperAddress = m_contractAddress; + compileAndRun(sourceCode, 0, "Main"); + BOOST_REQUIRE(callContractFunction("setHelper(address)", c_helperAddress) == bytes()); + BOOST_REQUIRE(callContractFunction("getHelper()", c_helperAddress) == encodeArgs(c_helperAddress)); + u256 a(3456789); + u256 b("0x282837623374623234aa74"); + BOOST_REQUIRE(callContractFunction("callHelper(uint256,uint256)", a, b) == encodeArgs(a * b)); +} + +BOOST_AUTO_TEST_CASE(inter_contract_calls_with_complex_parameters) +{ + char const* sourceCode = R"( + contract Helper { + function sel(uint a, bool select, uint b) returns (uint c) { + if (select) return a; else return b; + } + } + contract Main { + Helper h; + function callHelper(uint a, bool select, uint b) returns (uint c) { + return h.sel(a, select, b) * 3; + } + function getHelper() returns (address haddress) { + return address(h); + } + function setHelper(address haddress) { + h = Helper(haddress); + } + })"; + compileAndRun(sourceCode, 0, "Helper"); + u160 const c_helperAddress = m_contractAddress; + compileAndRun(sourceCode, 0, "Main"); + BOOST_REQUIRE(callContractFunction("setHelper(address)", c_helperAddress) == bytes()); + BOOST_REQUIRE(callContractFunction("getHelper()", c_helperAddress) == encodeArgs(c_helperAddress)); + u256 a(3456789); + u256 b("0x282837623374623234aa74"); + BOOST_REQUIRE(callContractFunction("callHelper(uint256,bool,uint256)", a, true, b) == encodeArgs(a * 3)); + BOOST_REQUIRE(callContractFunction("callHelper(uint256,bool,uint256)", a, false, b) == encodeArgs(b * 3)); +} + +BOOST_AUTO_TEST_CASE(inter_contract_calls_accessing_this) +{ + char const* sourceCode = R"( + contract Helper { + function getAddress() returns (address addr) { + return address(this); + } + } + contract Main { + Helper h; + function callHelper() returns (address addr) { + return h.getAddress(); + } + function getHelper() returns (address addr) { + return address(h); + } + function setHelper(address addr) { + h = Helper(addr); + } + })"; + compileAndRun(sourceCode, 0, "Helper"); + u160 const c_helperAddress = m_contractAddress; + compileAndRun(sourceCode, 0, "Main"); + BOOST_REQUIRE(callContractFunction("setHelper(address)", c_helperAddress) == bytes()); + BOOST_REQUIRE(callContractFunction("getHelper()", c_helperAddress) == encodeArgs(c_helperAddress)); + BOOST_REQUIRE(callContractFunction("callHelper()") == encodeArgs(c_helperAddress)); +} + +BOOST_AUTO_TEST_CASE(calls_to_this) +{ + char const* sourceCode = R"( + contract Helper { + function invoke(uint a, uint b) returns (uint c) { + return this.multiply(a, b, 10); + } + function multiply(uint a, uint b, uint8 c) returns (uint ret) { + return a * b + c; + } + } + contract Main { + Helper h; + function callHelper(uint a, uint b) returns (uint ret) { + return h.invoke(a, b); + } + function getHelper() returns (address addr) { + return address(h); + } + function setHelper(address addr) { + h = Helper(addr); + } + })"; + compileAndRun(sourceCode, 0, "Helper"); + u160 const c_helperAddress = m_contractAddress; + compileAndRun(sourceCode, 0, "Main"); + BOOST_REQUIRE(callContractFunction("setHelper(address)", c_helperAddress) == bytes()); + BOOST_REQUIRE(callContractFunction("getHelper()", c_helperAddress) == encodeArgs(c_helperAddress)); + u256 a(3456789); + u256 b("0x282837623374623234aa74"); + BOOST_REQUIRE(callContractFunction("callHelper(uint256,uint256)", a, b) == encodeArgs(a * b + 10)); +} + +BOOST_AUTO_TEST_CASE(inter_contract_calls_with_local_vars) +{ + // note that a reference to another contract's function occupies two stack slots, + // so this tests correct stack slot allocation + char const* sourceCode = R"( + contract Helper { + function multiply(uint a, uint b) returns (uint c) { + return a * b; + } + } + contract Main { + Helper h; + function callHelper(uint a, uint b) returns (uint c) { + var fu = h.multiply; + var y = 9; + var ret = fu(a, b); + return ret + y; + } + function getHelper() returns (address haddress) { + return address(h); + } + function setHelper(address haddress) { + h = Helper(haddress); + } + })"; + compileAndRun(sourceCode, 0, "Helper"); + u160 const c_helperAddress = m_contractAddress; + compileAndRun(sourceCode, 0, "Main"); + BOOST_REQUIRE(callContractFunction("setHelper(address)", c_helperAddress) == bytes()); + BOOST_REQUIRE(callContractFunction("getHelper()", c_helperAddress) == encodeArgs(c_helperAddress)); + u256 a(3456789); + u256 b("0x282837623374623234aa74"); + BOOST_REQUIRE(callContractFunction("callHelper(uint256,uint256)", a, b) == encodeArgs(a * b + 9)); +} + +BOOST_AUTO_TEST_CASE(fixed_bytes_in_calls) +{ + char const* sourceCode = R"( + contract Helper { + function invoke(bytes3 x, bool stop) returns (bytes4 ret) { + return x; + } + } + contract Main { + Helper h; + function callHelper(bytes2 x, bool stop) returns (bytes5 ret) { + return h.invoke(x, stop); + } + function getHelper() returns (address addr) { + return address(h); + } + function setHelper(address addr) { + h = Helper(addr); + } + })"; + compileAndRun(sourceCode, 0, "Helper"); + u160 const c_helperAddress = m_contractAddress; + compileAndRun(sourceCode, 0, "Main"); + BOOST_REQUIRE(callContractFunction("setHelper(address)", c_helperAddress) == bytes()); + BOOST_REQUIRE(callContractFunction("getHelper()", c_helperAddress) == encodeArgs(c_helperAddress)); + BOOST_CHECK(callContractFunction("callHelper(bytes2,bool)", string("\0a", 2), true) == encodeArgs(string("\0a\0\0\0", 5))); +} + +BOOST_AUTO_TEST_CASE(constructor_arguments_internal) +{ + char const* sourceCode = R"( + contract Helper { + bytes3 name; + bool flag; + + function Helper(bytes3 x, bool f) { + name = x; + flag = f; + } + function getName() returns (bytes3 ret) { return name; } + function getFlag() returns (bool ret) { return flag; } + } + contract Main { + Helper h; + function Main() { + h = new Helper("abc", true); + } + function getFlag() returns (bool ret) { return h.getFlag(); } + function getName() returns (bytes3 ret) { return h.getName(); } + })"; + compileAndRun(sourceCode, 0, "Main"); + BOOST_CHECK(callContractFunction("getFlag()") == encodeArgs(true)); + BOOST_CHECK(callContractFunction("getName()") == encodeArgs("abc")); +} + +BOOST_AUTO_TEST_CASE(constructor_arguments_external) +{ + char const* sourceCode = R"( + contract Main { + bytes3 name; + bool flag; + + function Main(bytes3 x, bool f) { + name = x; + flag = f; + } + function getName() returns (bytes3 ret) { return name; } + function getFlag() returns (bool ret) { return flag; } + } + )"; + compileAndRun(sourceCode, 0, "Main", encodeArgs("abc", true)); + BOOST_CHECK(callContractFunction("getFlag()") == encodeArgs(true)); + BOOST_CHECK(callContractFunction("getName()") == encodeArgs("abc")); +} + +BOOST_AUTO_TEST_CASE(functions_called_by_constructor) +{ + char const* sourceCode = R"( + contract Test { + bytes3 name; + bool flag; + function Test() { + setName("abc"); + } + function getName() returns (bytes3 ret) { return name; } + function setName(bytes3 _name) private { name = _name; } + })"; + compileAndRun(sourceCode); + BOOST_REQUIRE(callContractFunction("getName()") == encodeArgs("abc")); +} + +BOOST_AUTO_TEST_CASE(contracts_as_addresses) +{ + char const* sourceCode = R"( + contract helper { + } + contract test { + helper h; + function test() { h = new helper(); h.send(5); } + function getBalance() returns (uint256 myBalance, uint256 helperBalance) { + myBalance = this.balance; + helperBalance = h.balance; + } + } + )"; + compileAndRun(sourceCode, 20); + BOOST_REQUIRE(callContractFunction("getBalance()") == encodeArgs(u256(20 - 5), u256(5))); +} + +BOOST_AUTO_TEST_CASE(gas_and_value_basic) +{ + char const* sourceCode = R"( + contract helper { + bool flag; + function getBalance() returns (uint256 myBalance) { + return this.balance; + } + function setFlag() { flag = true; } + function getFlag() returns (bool fl) { return flag; } + } + contract test { + helper h; + function test() { h = new helper(); } + function sendAmount(uint amount) returns (uint256 bal) { + return h.getBalance.value(amount)(); + } + function outOfGas() returns (bool ret) { + h.setFlag.gas(2)(); // should fail due to OOG + return true; + } + function checkState() returns (bool flagAfter, uint myBal) { + flagAfter = h.getFlag(); + myBal = this.balance; + } + } + )"; + compileAndRun(sourceCode, 20); + BOOST_REQUIRE(callContractFunction("sendAmount(uint256)", 5) == encodeArgs(5)); + // call to helper should not succeed but amount should be transferred anyway + BOOST_REQUIRE(callContractFunction("outOfGas()", 5) == bytes()); + BOOST_REQUIRE(callContractFunction("checkState()", 5) == encodeArgs(false, 20 - 5)); +} + +BOOST_AUTO_TEST_CASE(gas_for_builtin) +{ + char const* sourceCode = R"( + contract Contract { + function test(uint g) returns (bytes32 data, bool flag) { + data = ripemd160.gas(g)("abc"); + flag = true; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test(uint256)", 500) == bytes()); + BOOST_CHECK(callContractFunction("test(uint256)", 800) == encodeArgs(u256("0x8eb208f7e05d987a9b044a8e98c6b087f15a0bfc000000000000000000000000"), true)); +} + +BOOST_AUTO_TEST_CASE(value_complex) +{ + char const* sourceCode = R"( + contract helper { + function getBalance() returns (uint256 myBalance) { + return this.balance; + } + } + contract test { + helper h; + function test() { h = new helper(); } + function sendAmount(uint amount) returns (uint256 bal) { + var x1 = h.getBalance.value(amount); + uint someStackElement = 20; + var x2 = x1.gas(1000); + return x2.value(amount + 3)();// overwrite value + } + } + )"; + compileAndRun(sourceCode, 20); + BOOST_REQUIRE(callContractFunction("sendAmount(uint256)", 5) == encodeArgs(8)); +} + +BOOST_AUTO_TEST_CASE(value_insane) +{ + char const* sourceCode = R"( + contract helper { + function getBalance() returns (uint256 myBalance) { + return this.balance; + } + } + contract test { + helper h; + function test() { h = new helper(); } + function sendAmount(uint amount) returns (uint256 bal) { + var x1 = h.getBalance.value; + var x2 = x1(amount).gas; + var x3 = x2(1000).value; + return x3(amount + 3)();// overwrite value + } + } + )"; + compileAndRun(sourceCode, 20); + BOOST_REQUIRE(callContractFunction("sendAmount(uint256)", 5) == encodeArgs(8)); +} + +BOOST_AUTO_TEST_CASE(value_for_constructor) +{ + char const* sourceCode = R"( + contract Helper { + bytes3 name; + bool flag; + function Helper(bytes3 x, bool f) { + name = x; + flag = f; + } + function getName() returns (bytes3 ret) { return name; } + function getFlag() returns (bool ret) { return flag; } + } + contract Main { + Helper h; + function Main() { + h = new Helper.value(10)("abc", true); + } + function getFlag() returns (bool ret) { return h.getFlag(); } + function getName() returns (bytes3 ret) { return h.getName(); } + function getBalances() returns (uint me, uint them) { me = this.balance; them = h.balance;} + })"; + compileAndRun(sourceCode, 22, "Main"); + BOOST_REQUIRE(callContractFunction("getFlag()") == encodeArgs(true)); + BOOST_REQUIRE(callContractFunction("getName()") == encodeArgs("abc")); + BOOST_REQUIRE(callContractFunction("getBalances()") == encodeArgs(12, 10)); +} + +BOOST_AUTO_TEST_CASE(virtual_function_calls) +{ + char const* sourceCode = R"( + contract Base { + function f() returns (uint i) { return g(); } + function g() returns (uint i) { return 1; } + } + contract Derived is Base { + function g() returns (uint i) { return 2; } + } + )"; + compileAndRun(sourceCode, 0, "Derived"); + BOOST_CHECK(callContractFunction("g()") == encodeArgs(2)); + BOOST_CHECK(callContractFunction("f()") == encodeArgs(2)); +} + +BOOST_AUTO_TEST_CASE(access_base_storage) +{ + char const* sourceCode = R"( + contract Base { + uint dataBase; + function getViaBase() returns (uint i) { return dataBase; } + } + contract Derived is Base { + uint dataDerived; + function setData(uint base, uint derived) returns (bool r) { + dataBase = base; + dataDerived = derived; + return true; + } + function getViaDerived() returns (uint base, uint derived) { + base = dataBase; + derived = dataDerived; + } + } + )"; + compileAndRun(sourceCode, 0, "Derived"); + BOOST_CHECK(callContractFunction("setData(uint256,uint256)", 1, 2) == encodeArgs(true)); + BOOST_CHECK(callContractFunction("getViaBase()") == encodeArgs(1)); + BOOST_CHECK(callContractFunction("getViaDerived()") == encodeArgs(1, 2)); +} + +BOOST_AUTO_TEST_CASE(single_copy_with_multiple_inheritance) +{ + char const* sourceCode = R"( + contract Base { + uint data; + function setData(uint i) { data = i; } + function getViaBase() returns (uint i) { return data; } + } + contract A is Base { function setViaA(uint i) { setData(i); } } + contract B is Base { function getViaB() returns (uint i) { return getViaBase(); } } + contract Derived is Base, B, A { } + )"; + compileAndRun(sourceCode, 0, "Derived"); + BOOST_CHECK(callContractFunction("getViaB()") == encodeArgs(0)); + BOOST_CHECK(callContractFunction("setViaA(uint256)", 23) == encodeArgs()); + BOOST_CHECK(callContractFunction("getViaB()") == encodeArgs(23)); +} + +BOOST_AUTO_TEST_CASE(explicit_base_cass) +{ + char const* sourceCode = R"( + contract BaseBase { function g() returns (uint r) { return 1; } } + contract Base is BaseBase { function g() returns (uint r) { return 2; } } + contract Derived is Base { + function f() returns (uint r) { return BaseBase.g(); } + function g() returns (uint r) { return 3; } + } + )"; + compileAndRun(sourceCode, 0, "Derived"); + BOOST_CHECK(callContractFunction("g()") == encodeArgs(3)); + BOOST_CHECK(callContractFunction("f()") == encodeArgs(1)); +} + +BOOST_AUTO_TEST_CASE(base_constructor_arguments) +{ + char const* sourceCode = R"( + contract BaseBase { + uint m_a; + function BaseBase(uint a) { + m_a = a; + } + } + contract Base is BaseBase(7) { + function Base() { + m_a *= m_a; + } + } + contract Derived is Base() { + function getA() returns (uint r) { return m_a; } + } + )"; + compileAndRun(sourceCode, 0, "Derived"); + BOOST_CHECK(callContractFunction("getA()") == encodeArgs(7 * 7)); +} + +BOOST_AUTO_TEST_CASE(function_usage_in_constructor_arguments) +{ + char const* sourceCode = R"( + contract BaseBase { + uint m_a; + function BaseBase(uint a) { + m_a = a; + } + function g() returns (uint r) { return 2; } + } + contract Base is BaseBase(BaseBase.g()) { + } + contract Derived is Base() { + function getA() returns (uint r) { return m_a; } + } + )"; + compileAndRun(sourceCode, 0, "Derived"); + BOOST_CHECK(callContractFunction("getA()") == encodeArgs(2)); +} + +BOOST_AUTO_TEST_CASE(virtual_function_usage_in_constructor_arguments) +{ + char const* sourceCode = R"( + contract BaseBase { + uint m_a; + function BaseBase(uint a) { + m_a = a; + } + function overridden() returns (uint r) { return 1; } + function g() returns (uint r) { return overridden(); } + } + contract Base is BaseBase(BaseBase.g()) { + } + contract Derived is Base() { + function getA() returns (uint r) { return m_a; } + function overridden() returns (uint r) { return 2; } + } + )"; + compileAndRun(sourceCode, 0, "Derived"); + BOOST_CHECK(callContractFunction("getA()") == encodeArgs(2)); +} + +BOOST_AUTO_TEST_CASE(constructor_argument_overriding) +{ + char const* sourceCode = R"( + contract BaseBase { + uint m_a; + function BaseBase(uint a) { + m_a = a; + } + } + contract Base is BaseBase(2) { } + contract Derived is BaseBase(3), Base { + function getA() returns (uint r) { return m_a; } + } + )"; + compileAndRun(sourceCode, 0, "Derived"); + BOOST_CHECK(callContractFunction("getA()") == encodeArgs(3)); +} + +BOOST_AUTO_TEST_CASE(function_modifier) +{ + char const* sourceCode = R"( + contract C { + function getOne() nonFree returns (uint r) { return 1; } + modifier nonFree { if (msg.value > 0) _ } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("getOne()") == encodeArgs(0)); + BOOST_CHECK(callContractFunctionWithValue("getOne()", 1) == encodeArgs(1)); +} + +BOOST_AUTO_TEST_CASE(function_modifier_local_variables) +{ + char const* sourceCode = R"( + contract C { + modifier mod1 { var a = 1; var b = 2; _ } + modifier mod2(bool a) { if (a) return; else _ } + function f(bool a) mod1 mod2(a) returns (uint r) { return 3; } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("f(bool)", true) == encodeArgs(0)); + BOOST_CHECK(callContractFunction("f(bool)", false) == encodeArgs(3)); +} + +BOOST_AUTO_TEST_CASE(function_modifier_loop) +{ + char const* sourceCode = R"( + contract C { + modifier repeat(uint count) { for (var i = 0; i < count; ++i) _ } + function f() repeat(10) returns (uint r) { r += 1; } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("f()") == encodeArgs(10)); +} + +BOOST_AUTO_TEST_CASE(function_modifier_multi_invocation) +{ + char const* sourceCode = R"( + contract C { + modifier repeat(bool twice) { if (twice) _ _ } + function f(bool twice) repeat(twice) returns (uint r) { r += 1; } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("f(bool)", false) == encodeArgs(1)); + BOOST_CHECK(callContractFunction("f(bool)", true) == encodeArgs(2)); +} + +BOOST_AUTO_TEST_CASE(function_modifier_multi_with_return) +{ + // Here, the explicit return prevents the second execution + char const* sourceCode = R"( + contract C { + modifier repeat(bool twice) { if (twice) _ _ } + function f(bool twice) repeat(twice) returns (uint r) { r += 1; return r; } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("f(bool)", false) == encodeArgs(1)); + BOOST_CHECK(callContractFunction("f(bool)", true) == encodeArgs(1)); +} + +BOOST_AUTO_TEST_CASE(function_modifier_overriding) +{ + char const* sourceCode = R"( + contract A { + function f() mod returns (bool r) { return true; } + modifier mod { _ } + } + contract C is A { + modifier mod { } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("f()") == encodeArgs(false)); +} + +BOOST_AUTO_TEST_CASE(function_modifier_calling_functions_in_creation_context) +{ + char const* sourceCode = R"( + contract A { + uint data; + function A() mod1 { f1(); } + function f1() mod2 { data |= 0x1; } + function f2() { data |= 0x20; } + function f3() { } + modifier mod1 { f2(); _ } + modifier mod2 { f3(); } + function getData() returns (uint r) { return data; } + } + contract C is A { + modifier mod1 { f4(); _ } + function f3() { data |= 0x300; } + function f4() { data |= 0x4000; } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("getData()") == encodeArgs(0x4300)); +} + +BOOST_AUTO_TEST_CASE(function_modifier_for_constructor) +{ + char const* sourceCode = R"( + contract A { + uint data; + function A() mod1 { data |= 2; } + modifier mod1 { data |= 1; _ } + function getData() returns (uint r) { return data; } + } + contract C is A { + modifier mod1 { data |= 4; _ } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("getData()") == encodeArgs(4 | 2)); +} + +BOOST_AUTO_TEST_CASE(use_std_lib) +{ + char const* sourceCode = R"( + import "mortal"; + contract Icarus is mortal { } + )"; + m_addStandardSources = true; + u256 amount(130); + u160 address(23); + compileAndRun(sourceCode, amount, "Icarus"); + u256 balanceBefore = m_state.balance(m_sender); + BOOST_CHECK(callContractFunction("kill()") == bytes()); + BOOST_CHECK(!m_state.addressHasCode(m_contractAddress)); + BOOST_CHECK(m_state.balance(m_sender) > balanceBefore); +} + +BOOST_AUTO_TEST_CASE(crazy_elementary_typenames_on_stack) +{ + char const* sourceCode = R"( + contract C { + function f() returns (uint r) { + uint; uint; uint; uint; + int x = -7; + var a = uint; + return a(x); + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(-7))); +} + +BOOST_AUTO_TEST_CASE(super) +{ + char const* sourceCode = R"( + contract A { function f() returns (uint r) { return 1; } } + contract B is A { function f() returns (uint r) { return super.f() | 2; } } + contract C is A { function f() returns (uint r) { return super.f() | 4; } } + contract D is B, C { function f() returns (uint r) { return super.f() | 8; } } + )"; + compileAndRun(sourceCode, 0, "D"); + BOOST_CHECK(callContractFunction("f()") == encodeArgs(1 | 2 | 4 | 8)); +} + +BOOST_AUTO_TEST_CASE(super_in_constructor) +{ + char const* sourceCode = R"( + contract A { function f() returns (uint r) { return 1; } } + contract B is A { function f() returns (uint r) { return super.f() | 2; } } + contract C is A { function f() returns (uint r) { return super.f() | 4; } } + contract D is B, C { uint data; function D() { data = super.f() | 8; } function f() returns (uint r) { return data; } } + )"; + compileAndRun(sourceCode, 0, "D"); + BOOST_CHECK(callContractFunction("f()") == encodeArgs(1 | 2 | 4 | 8)); +} + +BOOST_AUTO_TEST_CASE(fallback_function) +{ + char const* sourceCode = R"( + contract A { + uint data; + function() returns (uint r) { data = 1; return 2; } + function getData() returns (uint r) { return data; } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("getData()") == encodeArgs(0)); + BOOST_CHECK(callContractFunction("") == encodeArgs(2)); + BOOST_CHECK(callContractFunction("getData()") == encodeArgs(1)); +} + +BOOST_AUTO_TEST_CASE(inherited_fallback_function) +{ + char const* sourceCode = R"( + contract A { + uint data; + function() returns (uint r) { data = 1; return 2; } + function getData() returns (uint r) { return data; } + } + contract B is A {} + )"; + compileAndRun(sourceCode, 0, "B"); + BOOST_CHECK(callContractFunction("getData()") == encodeArgs(0)); + BOOST_CHECK(callContractFunction("") == encodeArgs(2)); + BOOST_CHECK(callContractFunction("getData()") == encodeArgs(1)); +} + +BOOST_AUTO_TEST_CASE(event) +{ + char const* sourceCode = R"( + contract ClientReceipt { + event Deposit(address indexed _from, bytes32 indexed _id, uint _value); + function deposit(bytes32 _id, bool _manually) { + if (_manually) { + bytes32 s = 0x19dacbf83c5de6658e14cbf7bcae5c15eca2eedecf1c66fbca928e4d351bea0f; + log3(bytes32(msg.value), s, bytes32(msg.sender), _id); + } else + Deposit(msg.sender, _id, msg.value); + } + } + )"; + compileAndRun(sourceCode); + u256 value(18); + u256 id(0x1234); + for (bool manually: {true, false}) + { + callContractFunctionWithValue("deposit(bytes32,bool)", value, id, manually); + BOOST_REQUIRE_EQUAL(m_logs.size(), 1); + BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress); + BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(value))); + BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 3); + BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::sha3(string("Deposit(address,bytes32,uint256)"))); + BOOST_CHECK_EQUAL(m_logs[0].topics[1], h256(m_sender)); + BOOST_CHECK_EQUAL(m_logs[0].topics[2], h256(id)); + } +} + +BOOST_AUTO_TEST_CASE(event_no_arguments) +{ + char const* sourceCode = R"( + contract ClientReceipt { + event Deposit; + function deposit() { + Deposit(); + } + } + )"; + compileAndRun(sourceCode); + callContractFunction("deposit()"); + BOOST_REQUIRE_EQUAL(m_logs.size(), 1); + BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress); + BOOST_CHECK(m_logs[0].data.empty()); + BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 1); + BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::sha3(string("Deposit()"))); +} + +BOOST_AUTO_TEST_CASE(event_anonymous) +{ + char const* sourceCode = R"( + contract ClientReceipt { + event Deposit() anonymous; + function deposit() { + Deposit(); + } + } + )"; + compileAndRun(sourceCode); + callContractFunction("deposit()"); + BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 0); +} + +BOOST_AUTO_TEST_CASE(event_anonymous_with_topics) +{ + char const* sourceCode = R"( + contract ClientReceipt { + event Deposit(address indexed _from, bytes32 indexed _id, uint _value) anonymous; + function deposit(bytes32 _id, bool _manually) { + Deposit(msg.sender, _id, msg.value); + } + } + )"; + compileAndRun(sourceCode); + u256 value(18); + u256 id(0x1234); + callContractFunctionWithValue("deposit(bytes32,bool)", value, id); + BOOST_REQUIRE_EQUAL(m_logs.size(), 1); + BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress); + BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(value))); + BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 2); + BOOST_CHECK_EQUAL(m_logs[0].topics[0], h256(m_sender)); + BOOST_CHECK_EQUAL(m_logs[0].topics[1], h256(id)); +} + +BOOST_AUTO_TEST_CASE(event_lots_of_data) +{ + char const* sourceCode = R"( + contract ClientReceipt { + event Deposit(address _from, bytes32 _id, uint _value, bool _flag); + function deposit(bytes32 _id) { + Deposit(msg.sender, _id, msg.value, true); + } + } + )"; + compileAndRun(sourceCode); + u256 value(18); + u256 id(0x1234); + callContractFunctionWithValue("deposit(bytes32)", value, id); + BOOST_REQUIRE_EQUAL(m_logs.size(), 1); + BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress); + BOOST_CHECK(m_logs[0].data == encodeArgs((u160)m_sender, id, value, true)); + BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 1); + BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::sha3(string("Deposit(address,bytes32,uint256,bool)"))); +} + +BOOST_AUTO_TEST_CASE(event_really_lots_of_data) +{ + char const* sourceCode = R"( + contract ClientReceipt { + event Deposit(uint fixeda, bytes dynx, uint fixedb); + function deposit() { + Deposit(10, msg.data, 15); + } + } + )"; + compileAndRun(sourceCode); + callContractFunction("deposit()"); + BOOST_REQUIRE_EQUAL(m_logs.size(), 1); + BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress); + BOOST_CHECK(m_logs[0].data == encodeArgs(10, 0x60, 15, 4) + FixedHash<4>(dev::sha3("deposit()")).asBytes()); + BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 1); + BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::sha3(string("Deposit(uint256,bytes,uint256)"))); +} + +BOOST_AUTO_TEST_CASE(event_really_lots_of_data_from_storage) +{ + char const* sourceCode = R"( + contract ClientReceipt { + bytes x; + event Deposit(uint fixeda, bytes dynx, uint fixedb); + function deposit() { + x.length = 3; + x[0] = "A"; + x[1] = "B"; + x[2] = "C"; + Deposit(10, x, 15); + } + } + )"; + compileAndRun(sourceCode); + callContractFunction("deposit()"); + BOOST_REQUIRE_EQUAL(m_logs.size(), 1); + BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress); + BOOST_CHECK(m_logs[0].data == encodeArgs(10, 0x60, 15, 3, string("ABC"))); + BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 1); + BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::sha3(string("Deposit(uint256,bytes,uint256)"))); +} + +BOOST_AUTO_TEST_CASE(empty_name_input_parameter_with_named_one) +{ + char const* sourceCode = R"( + contract test { + function f(uint, uint k) returns(uint ret_k, uint ret_g){ + uint g = 8; + ret_k = k; + ret_g = g; + } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", 5, 9) != encodeArgs(5, 8)); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", 5, 9) == encodeArgs(9, 8)); +} + +BOOST_AUTO_TEST_CASE(empty_name_return_parameter) +{ + char const* sourceCode = R"( + contract test { + function f(uint k) returns(uint){ + return k; + } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("f(uint256)", 9) == encodeArgs(9)); +} + +BOOST_AUTO_TEST_CASE(sha3_multiple_arguments) +{ + char const* sourceCode = R"( + contract c { + function foo(uint a, uint b, uint c) returns (bytes32 d) + { + d = sha3(a, b, c); + } + })"; + compileAndRun(sourceCode); + + BOOST_CHECK(callContractFunction("foo(uint256,uint256,uint256)", 10, 12, 13) == encodeArgs( + dev::sha3( + toBigEndian(u256(10)) + + toBigEndian(u256(12)) + + toBigEndian(u256(13))))); +} + +BOOST_AUTO_TEST_CASE(sha3_multiple_arguments_with_numeric_literals) +{ + char const* sourceCode = R"( + contract c { + function foo(uint a, uint16 b) returns (bytes32 d) + { + d = sha3(a, b, 145); + } + })"; + compileAndRun(sourceCode); + + BOOST_CHECK(callContractFunction("foo(uint256,uint16)", 10, 12) == encodeArgs( + dev::sha3( + toBigEndian(u256(10)) + + bytes{0x0, 0xc} + + bytes(1, 0x91)))); +} + +BOOST_AUTO_TEST_CASE(sha3_multiple_arguments_with_string_literals) +{ + char const* sourceCode = R"( + contract c { + function foo() returns (bytes32 d) + { + d = sha3("foo"); + } + function bar(uint a, uint16 b) returns (bytes32 d) + { + d = sha3(a, b, 145, "foo"); + } + })"; + compileAndRun(sourceCode); + + BOOST_CHECK(callContractFunction("foo()") == encodeArgs(dev::sha3("foo"))); + + BOOST_CHECK(callContractFunction("bar(uint256,uint16)", 10, 12) == encodeArgs( + dev::sha3( + toBigEndian(u256(10)) + + bytes{0x0, 0xc} + + bytes(1, 0x91) + + bytes{0x66, 0x6f, 0x6f}))); +} + +BOOST_AUTO_TEST_CASE(sha3_with_bytes) +{ + char const* sourceCode = R"( + contract c { + bytes data; + function foo() returns (bool) + { + data.length = 3; + data[0] = "f"; + data[1] = "o"; + data[2] = "o"; + return sha3(data) == sha3("foo"); + } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("foo()") == encodeArgs(true)); +} + +BOOST_AUTO_TEST_CASE(iterated_sha3_with_bytes) +{ + char const* sourceCode = R"( + contract c { + bytes data; + function foo() returns (bytes32) + { + data.length = 3; + data[0] = "x"; + data[1] = "y"; + data[2] = "z"; + return sha3("b", sha3(data), "a"); + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("foo()") == encodeArgs( + u256(dev::sha3(bytes{'b'} + dev::sha3("xyz").asBytes() + bytes{'a'})) + )); +} + +BOOST_AUTO_TEST_CASE(generic_call) +{ + char const* sourceCode = R"**( + contract receiver { + uint public received; + function receive(uint256 x) { received = x; } + } + contract sender { + function doSend(address rec) returns (uint d) + { + bytes4 signature = bytes4(bytes32(sha3("receive(uint256)"))); + rec.call.value(2)(signature, 23); + return receiver(rec).received(); + } + } + )**"; + compileAndRun(sourceCode, 0, "receiver"); + u160 const c_receiverAddress = m_contractAddress; + compileAndRun(sourceCode, 50, "sender"); + BOOST_REQUIRE(callContractFunction("doSend(address)", c_receiverAddress) == encodeArgs(23)); + BOOST_CHECK_EQUAL(m_state.balance(m_contractAddress), 50 - 2); +} + +BOOST_AUTO_TEST_CASE(generic_callcode) +{ + char const* sourceCode = R"**( + contract receiver { + uint public received; + function receive(uint256 x) { received = x; } + } + contract sender { + uint public received; + function doSend(address rec) returns (uint d) + { + bytes4 signature = bytes4(bytes32(sha3("receive(uint256)"))); + rec.callcode.value(2)(signature, 23); + return receiver(rec).received(); + } + } + )**"; + compileAndRun(sourceCode, 0, "receiver"); + u160 const c_receiverAddress = m_contractAddress; + compileAndRun(sourceCode, 50, "sender"); + u160 const c_senderAddress = m_contractAddress; + BOOST_CHECK(callContractFunction("doSend(address)", c_receiverAddress) == encodeArgs(0)); + BOOST_CHECK(callContractFunction("received()") == encodeArgs(23)); + m_contractAddress = c_receiverAddress; + BOOST_CHECK(callContractFunction("received()") == encodeArgs(0)); + BOOST_CHECK(m_state.storage(c_receiverAddress).empty()); + BOOST_CHECK(!m_state.storage(c_senderAddress).empty()); + BOOST_CHECK_EQUAL(m_state.balance(c_receiverAddress), 0); + BOOST_CHECK_EQUAL(m_state.balance(c_senderAddress), 50); +} + +BOOST_AUTO_TEST_CASE(store_bytes) +{ + // this test just checks that the copy loop does not mess up the stack + char const* sourceCode = R"( + contract C { + function save() returns (uint r) { + r = 23; + savedData = msg.data; + r = 24; + } + bytes savedData; + } + )"; + compileAndRun(sourceCode); + // empty copy loop + BOOST_CHECK(callContractFunction("save()") == encodeArgs(24)); + BOOST_CHECK(callContractFunction("save()", "abcdefg") == encodeArgs(24)); +} + +BOOST_AUTO_TEST_CASE(bytes_from_calldata_to_memory) +{ + char const* sourceCode = R"( + contract C { + function() returns (bytes32) { + return sha3("abc", msg.data); + } + } + )"; + compileAndRun(sourceCode); + bytes calldata1 = bytes(61, 0x22) + bytes(12, 0x12); + sendMessage(calldata1, false); + BOOST_CHECK(m_output == encodeArgs(dev::sha3(bytes{'a', 'b', 'c'} + calldata1))); +} + +BOOST_AUTO_TEST_CASE(call_forward_bytes) +{ + char const* sourceCode = R"( + contract receiver { + uint public received; + function receive(uint x) { received += x + 1; } + function() { received = 0x80; } + } + contract sender { + function sender() { rec = new receiver(); } + function() { savedData = msg.data; } + function forward() returns (bool) { rec.call(savedData); return true; } + function clear() returns (bool) { delete savedData; return true; } + function val() returns (uint) { return rec.received(); } + receiver rec; + bytes savedData; + } + )"; + compileAndRun(sourceCode, 0, "sender"); + BOOST_CHECK(callContractFunction("receive(uint256)", 7) == bytes()); + BOOST_CHECK(callContractFunction("val()") == encodeArgs(0)); + BOOST_CHECK(callContractFunction("forward()") == encodeArgs(true)); + BOOST_CHECK(callContractFunction("val()") == encodeArgs(8)); + BOOST_CHECK(callContractFunction("clear()") == encodeArgs(true)); + BOOST_CHECK(callContractFunction("val()") == encodeArgs(8)); + BOOST_CHECK(callContractFunction("forward()") == encodeArgs(true)); + BOOST_CHECK(callContractFunction("val()") == encodeArgs(0x80)); +} + +BOOST_AUTO_TEST_CASE(copying_bytes_multiassign) +{ + char const* sourceCode = R"( + contract receiver { + uint public received; + function receive(uint x) { received += x + 1; } + function() { received = 0x80; } + } + contract sender { + function sender() { rec = new receiver(); } + function() { savedData1 = savedData2 = msg.data; } + function forward(bool selector) returns (bool) { + if (selector) { rec.call(savedData1); delete savedData1; } + else { rec.call(savedData2); delete savedData2; } + return true; + } + function val() returns (uint) { return rec.received(); } + receiver rec; + bytes savedData1; + bytes savedData2; + } + )"; + compileAndRun(sourceCode, 0, "sender"); + BOOST_CHECK(callContractFunction("receive(uint256)", 7) == bytes()); + BOOST_CHECK(callContractFunction("val()") == encodeArgs(0)); + BOOST_CHECK(callContractFunction("forward(bool)", true) == encodeArgs(true)); + BOOST_CHECK(callContractFunction("val()") == encodeArgs(8)); + BOOST_CHECK(callContractFunction("forward(bool)", false) == encodeArgs(true)); + BOOST_CHECK(callContractFunction("val()") == encodeArgs(16)); + BOOST_CHECK(callContractFunction("forward(bool)", true) == encodeArgs(true)); + BOOST_CHECK(callContractFunction("val()") == encodeArgs(0x80)); +} + +BOOST_AUTO_TEST_CASE(delete_removes_bytes_data) +{ + char const* sourceCode = R"( + contract c { + function() { data = msg.data; } + function del() returns (bool) { delete data; return true; } + bytes data; + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("---", 7) == bytes()); + BOOST_CHECK(!m_state.storage(m_contractAddress).empty()); + BOOST_CHECK(callContractFunction("del()", 7) == encodeArgs(true)); + BOOST_CHECK(m_state.storage(m_contractAddress).empty()); +} + +BOOST_AUTO_TEST_CASE(copy_from_calldata_removes_bytes_data) +{ + char const* sourceCode = R"( + contract c { + function set() returns (bool) { data = msg.data; return true; } + function() { data = msg.data; } + bytes data; + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("set()", 1, 2, 3, 4, 5) == encodeArgs(true)); + BOOST_CHECK(!m_state.storage(m_contractAddress).empty()); + sendMessage(bytes(), false); + BOOST_CHECK(m_output == bytes()); + BOOST_CHECK(m_state.storage(m_contractAddress).empty()); +} + +BOOST_AUTO_TEST_CASE(copy_removes_bytes_data) +{ + char const* sourceCode = R"( + contract c { + function set() returns (bool) { data1 = msg.data; return true; } + function reset() returns (bool) { data1 = data2; return true; } + bytes data1; + bytes data2; + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("set()", 1, 2, 3, 4, 5) == encodeArgs(true)); + BOOST_CHECK(!m_state.storage(m_contractAddress).empty()); + BOOST_CHECK(callContractFunction("reset()") == encodeArgs(true)); + BOOST_CHECK(m_state.storage(m_contractAddress).empty()); +} + +BOOST_AUTO_TEST_CASE(bytes_inside_mappings) +{ + char const* sourceCode = R"( + contract c { + function set(uint key) returns (bool) { data[key] = msg.data; return true; } + function copy(uint from, uint to) returns (bool) { data[to] = data[from]; return true; } + mapping(uint => bytes) data; + } + )"; + compileAndRun(sourceCode); + // store a short byte array at 1 and a longer one at 2 + BOOST_CHECK(callContractFunction("set(uint256)", 1, 2) == encodeArgs(true)); + BOOST_CHECK(callContractFunction("set(uint256)", 2, 2, 3, 4, 5) == encodeArgs(true)); + BOOST_CHECK(!m_state.storage(m_contractAddress).empty()); + // copy shorter to longer + BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 1, 2) == encodeArgs(true)); + BOOST_CHECK(!m_state.storage(m_contractAddress).empty()); + // copy empty to both + BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 99, 1) == encodeArgs(true)); + BOOST_CHECK(!m_state.storage(m_contractAddress).empty()); + BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 99, 2) == encodeArgs(true)); + BOOST_CHECK(m_state.storage(m_contractAddress).empty()); +} + +BOOST_AUTO_TEST_CASE(bytes_length_member) +{ + char const* sourceCode = R"( + contract c { + function set() returns (bool) { data = msg.data; return true; } + function getLength() returns (uint) { return data.length; } + bytes data; + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("getLength()") == encodeArgs(0)); + BOOST_CHECK(callContractFunction("set()", 1, 2) == encodeArgs(true)); + BOOST_CHECK(callContractFunction("getLength()") == encodeArgs(4+32+32)); +} + +BOOST_AUTO_TEST_CASE(struct_copy) +{ + char const* sourceCode = R"( + contract c { + struct Nested { uint x; uint y; } + struct Struct { uint a; mapping(uint => Struct) b; Nested nested; uint c; } + mapping(uint => Struct) data; + function set(uint k) returns (bool) { + data[k].a = 1; + data[k].nested.x = 3; + data[k].nested.y = 4; + data[k].c = 2; + return true; + } + function copy(uint from, uint to) returns (bool) { + data[to] = data[from]; + return true; + } + function retrieve(uint k) returns (uint a, uint x, uint y, uint c) + { + a = data[k].a; + x = data[k].nested.x; + y = data[k].nested.y; + c = data[k].c; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("set(uint256)", 7) == encodeArgs(true)); + BOOST_CHECK(callContractFunction("retrieve(uint256)", 7) == encodeArgs(1, 3, 4, 2)); + BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 7, 8) == encodeArgs(true)); + BOOST_CHECK(callContractFunction("retrieve(uint256)", 7) == encodeArgs(1, 3, 4, 2)); + BOOST_CHECK(callContractFunction("retrieve(uint256)", 8) == encodeArgs(1, 3, 4, 2)); + BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 0, 7) == encodeArgs(true)); + BOOST_CHECK(callContractFunction("retrieve(uint256)", 7) == encodeArgs(0, 0, 0, 0)); + BOOST_CHECK(callContractFunction("retrieve(uint256)", 8) == encodeArgs(1, 3, 4, 2)); + BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 7, 8) == encodeArgs(true)); + BOOST_CHECK(callContractFunction("retrieve(uint256)", 8) == encodeArgs(0, 0, 0, 0)); +} + +BOOST_AUTO_TEST_CASE(struct_containing_bytes_copy_and_delete) +{ + char const* sourceCode = R"( + contract c { + struct Struct { uint a; bytes data; uint b; } + Struct data1; + Struct data2; + function set(uint _a, bytes _data, uint _b) external returns (bool) { + data1.a = _a; + data1.b = _b; + data1.data = _data; + return true; + } + function copy() returns (bool) { + data1 = data2; + return true; + } + function del() returns (bool) { + delete data1; + return true; + } + } + )"; + compileAndRun(sourceCode); + string data = "123456789012345678901234567890123"; + BOOST_CHECK(m_state.storage(m_contractAddress).empty()); + BOOST_CHECK(callContractFunction("set(uint256,bytes,uint256)", 12, u256(data.length()), 13, data) == encodeArgs(true)); + BOOST_CHECK(!m_state.storage(m_contractAddress).empty()); + BOOST_CHECK(callContractFunction("copy()") == encodeArgs(true)); + BOOST_CHECK(m_state.storage(m_contractAddress).empty()); + BOOST_CHECK(callContractFunction("set(uint256,bytes,uint256)", 12, u256(data.length()), 13, data) == encodeArgs(true)); + BOOST_CHECK(!m_state.storage(m_contractAddress).empty()); + BOOST_CHECK(callContractFunction("del()") == encodeArgs(true)); + BOOST_CHECK(m_state.storage(m_contractAddress).empty()); +} + +BOOST_AUTO_TEST_CASE(struct_copy_via_local) +{ + char const* sourceCode = R"( + contract c { + struct Struct { uint a; uint b; } + Struct data1; + Struct data2; + function test() returns (bool) { + data1.a = 1; + data1.b = 2; + var x = data1; + data2 = x; + return data2.a == data1.a && data2.b == data1.b; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test()") == encodeArgs(true)); +} + +BOOST_AUTO_TEST_CASE(using_enums) +{ + char const* sourceCode = R"( + contract test { + enum ActionChoices { GoLeft, GoRight, GoStraight, Sit } + function test() + { + choices = ActionChoices.GoStraight; + } + function getChoice() returns (uint d) + { + d = uint256(choices); + } + ActionChoices choices; + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("getChoice()") == encodeArgs(2)); +} + +BOOST_AUTO_TEST_CASE(constructing_enums_from_ints) +{ + char const* sourceCode = R"( + contract c { + enum Truth { False, True } + function test() returns (uint) + { + return uint(Truth(uint8(0x701))); + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test()") == encodeArgs(1)); +} + +BOOST_AUTO_TEST_CASE(inline_member_init) +{ + char const* sourceCode = R"( + contract test { + function test(){ + m_b = 6; + m_c = 8; + } + uint m_a = 5; + uint m_b; + uint m_c = 7; + function get() returns (uint a, uint b, uint c){ + a = m_a; + b = m_b; + c = m_c; + } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("get()") == encodeArgs(5, 6, 8)); +} + +BOOST_AUTO_TEST_CASE(inline_member_init_inheritence) +{ + char const* sourceCode = R"( + contract Base { + function Base(){} + uint m_base = 5; + function getBMember() returns (uint i) { return m_base; } + } + contract Derived is Base { + function Derived(){} + uint m_derived = 6; + function getDMember() returns (uint i) { return m_derived; } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("getBMember()") == encodeArgs(5)); + BOOST_CHECK(callContractFunction("getDMember()") == encodeArgs(6)); +} + +BOOST_AUTO_TEST_CASE(inline_member_init_inheritence_without_constructor) +{ + char const* sourceCode = R"( + contract Base { + uint m_base = 5; + function getBMember() returns (uint i) { return m_base; } + } + contract Derived is Base { + uint m_derived = 6; + function getDMember() returns (uint i) { return m_derived; } + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("getBMember()") == encodeArgs(5)); + BOOST_CHECK(callContractFunction("getDMember()") == encodeArgs(6)); +} + +BOOST_AUTO_TEST_CASE(external_function) +{ + char const* sourceCode = R"( + contract c { + function f(uint a) returns (uint) { return a; } + function test(uint a, uint b) external returns (uint r_a, uint r_b) { + r_a = f(a + 7); + r_b = b; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test(uint256,uint256)", 2, 3) == encodeArgs(2+7, 3)); +} + +BOOST_AUTO_TEST_CASE(bytes_in_arguments) +{ + char const* sourceCode = R"( + contract c { + uint result; + function f(uint a, uint b) { result += a + b; } + function g(uint a) { result *= a; } + function test(uint a, bytes data1, bytes data2, uint b) external returns (uint r_a, uint r, uint r_b, uint l) { + r_a = a; + this.call(data1); + this.call(data2); + r = result; + r_b = b; + l = data1.length; + } + } + )"; + compileAndRun(sourceCode); + + string innercalldata1 = asString(FixedHash<4>(dev::sha3("f(uint256,uint256)")).asBytes() + encodeArgs(8, 9)); + string innercalldata2 = asString(FixedHash<4>(dev::sha3("g(uint256)")).asBytes() + encodeArgs(3)); + bytes calldata = encodeArgs( + 12, 32 * 4, u256(32 * 4 + 32 + (innercalldata1.length() + 31) / 32 * 32), 13, + u256(innercalldata1.length()), innercalldata1, + u256(innercalldata2.length()), innercalldata2); + BOOST_CHECK(callContractFunction("test(uint256,bytes,bytes,uint256)", calldata) + == encodeArgs(12, (8 + 9) * 3, 13, u256(innercalldata1.length()))); +} + +BOOST_AUTO_TEST_CASE(fixed_arrays_in_storage) +{ + char const* sourceCode = R"( + contract c { + struct Data { uint x; uint y; } + Data[2**10] data; + uint[2**10 + 3] ids; + function setIDStatic(uint id) { ids[2] = id; } + function setID(uint index, uint id) { ids[index] = id; } + function setData(uint index, uint x, uint y) { data[index].x = x; data[index].y = y; } + function getID(uint index) returns (uint) { return ids[index]; } + function getData(uint index) returns (uint x, uint y) { x = data[index].x; y = data[index].y; } + function getLengths() returns (uint l1, uint l2) { l1 = data.length; l2 = ids.length; } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("setIDStatic(uint256)", 11) == bytes()); + BOOST_CHECK(callContractFunction("getID(uint256)", 2) == encodeArgs(11)); + BOOST_CHECK(callContractFunction("setID(uint256,uint256)", 7, 8) == bytes()); + BOOST_CHECK(callContractFunction("getID(uint256)", 7) == encodeArgs(8)); + BOOST_CHECK(callContractFunction("setData(uint256,uint256,uint256)", 7, 8, 9) == bytes()); + BOOST_CHECK(callContractFunction("setData(uint256,uint256,uint256)", 8, 10, 11) == bytes()); + BOOST_CHECK(callContractFunction("getData(uint256)", 7) == encodeArgs(8, 9)); + BOOST_CHECK(callContractFunction("getData(uint256)", 8) == encodeArgs(10, 11)); + BOOST_CHECK(callContractFunction("getLengths()") == encodeArgs(u256(1) << 10, (u256(1) << 10) + 3)); +} + +BOOST_AUTO_TEST_CASE(dynamic_arrays_in_storage) +{ + char const* sourceCode = R"( + contract c { + struct Data { uint x; uint y; } + Data[] data; + uint[] ids; + function setIDStatic(uint id) { ids[2] = id; } + function setID(uint index, uint id) { ids[index] = id; } + function setData(uint index, uint x, uint y) { data[index].x = x; data[index].y = y; } + function getID(uint index) returns (uint) { return ids[index]; } + function getData(uint index) returns (uint x, uint y) { x = data[index].x; y = data[index].y; } + function getLengths() returns (uint l1, uint l2) { l1 = data.length; l2 = ids.length; } + function setLengths(uint l1, uint l2) { data.length = l1; ids.length = l2; } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("getLengths()") == encodeArgs(0, 0)); + BOOST_CHECK(callContractFunction("setLengths(uint256,uint256)", 48, 49) == bytes()); + BOOST_CHECK(callContractFunction("getLengths()") == encodeArgs(48, 49)); + BOOST_CHECK(callContractFunction("setIDStatic(uint256)", 11) == bytes()); + BOOST_CHECK(callContractFunction("getID(uint256)", 2) == encodeArgs(11)); + BOOST_CHECK(callContractFunction("setID(uint256,uint256)", 7, 8) == bytes()); + BOOST_CHECK(callContractFunction("getID(uint256)", 7) == encodeArgs(8)); + BOOST_CHECK(callContractFunction("setData(uint256,uint256,uint256)", 7, 8, 9) == bytes()); + BOOST_CHECK(callContractFunction("setData(uint256,uint256,uint256)", 8, 10, 11) == bytes()); + BOOST_CHECK(callContractFunction("getData(uint256)", 7) == encodeArgs(8, 9)); + BOOST_CHECK(callContractFunction("getData(uint256)", 8) == encodeArgs(10, 11)); +} + +BOOST_AUTO_TEST_CASE(fixed_out_of_bounds_array_access) +{ + char const* sourceCode = R"( + contract c { + uint[4] data; + function set(uint index, uint value) returns (bool) { data[index] = value; return true; } + function get(uint index) returns (uint) { return data[index]; } + function length() returns (uint) { return data.length; } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("length()") == encodeArgs(4)); + BOOST_CHECK(callContractFunction("set(uint256,uint256)", 3, 4) == encodeArgs(true)); + BOOST_CHECK(callContractFunction("set(uint256,uint256)", 4, 5) == bytes()); + BOOST_CHECK(callContractFunction("set(uint256,uint256)", 400, 5) == bytes()); + BOOST_CHECK(callContractFunction("get(uint256)", 3) == encodeArgs(4)); + BOOST_CHECK(callContractFunction("get(uint256)", 4) == bytes()); + BOOST_CHECK(callContractFunction("get(uint256)", 400) == bytes()); + BOOST_CHECK(callContractFunction("length()") == encodeArgs(4)); +} + +BOOST_AUTO_TEST_CASE(dynamic_out_of_bounds_array_access) +{ + char const* sourceCode = R"( + contract c { + uint[] data; + function enlarge(uint amount) returns (uint) { return data.length += amount; } + function set(uint index, uint value) returns (bool) { data[index] = value; return true; } + function get(uint index) returns (uint) { return data[index]; } + function length() returns (uint) { return data.length; } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("length()") == encodeArgs(0)); + BOOST_CHECK(callContractFunction("get(uint256)", 3) == bytes()); + BOOST_CHECK(callContractFunction("enlarge(uint256)", 4) == encodeArgs(4)); + BOOST_CHECK(callContractFunction("length()") == encodeArgs(4)); + BOOST_CHECK(callContractFunction("set(uint256,uint256)", 3, 4) == encodeArgs(true)); + BOOST_CHECK(callContractFunction("get(uint256)", 3) == encodeArgs(4)); + BOOST_CHECK(callContractFunction("length()") == encodeArgs(4)); + BOOST_CHECK(callContractFunction("set(uint256,uint256)", 4, 8) == bytes()); + BOOST_CHECK(callContractFunction("length()") == encodeArgs(4)); +} + +BOOST_AUTO_TEST_CASE(fixed_array_cleanup) +{ + char const* sourceCode = R"( + contract c { + uint spacer1; + uint spacer2; + uint[20] data; + function fill() { + for (uint i = 0; i < data.length; ++i) data[i] = i+1; + } + function clear() { delete data; } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(m_state.storage(m_contractAddress).empty()); + BOOST_CHECK(callContractFunction("fill()") == bytes()); + BOOST_CHECK(!m_state.storage(m_contractAddress).empty()); + BOOST_CHECK(callContractFunction("clear()") == bytes()); + BOOST_CHECK(m_state.storage(m_contractAddress).empty()); +} + +BOOST_AUTO_TEST_CASE(short_fixed_array_cleanup) +{ + char const* sourceCode = R"( + contract c { + uint spacer1; + uint spacer2; + uint[3] data; + function fill() { + for (uint i = 0; i < data.length; ++i) data[i] = i+1; + } + function clear() { delete data; } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(m_state.storage(m_contractAddress).empty()); + BOOST_CHECK(callContractFunction("fill()") == bytes()); + BOOST_CHECK(!m_state.storage(m_contractAddress).empty()); + BOOST_CHECK(callContractFunction("clear()") == bytes()); + BOOST_CHECK(m_state.storage(m_contractAddress).empty()); +} + +BOOST_AUTO_TEST_CASE(dynamic_array_cleanup) +{ + char const* sourceCode = R"( + contract c { + uint[20] spacer; + uint[] dynamic; + function fill() { + dynamic.length = 21; + for (uint i = 0; i < dynamic.length; ++i) dynamic[i] = i+1; + } + function halfClear() { dynamic.length = 5; } + function fullClear() { delete dynamic; } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(m_state.storage(m_contractAddress).empty()); + BOOST_CHECK(callContractFunction("fill()") == bytes()); + BOOST_CHECK(!m_state.storage(m_contractAddress).empty()); + BOOST_CHECK(callContractFunction("halfClear()") == bytes()); + BOOST_CHECK(!m_state.storage(m_contractAddress).empty()); + BOOST_CHECK(callContractFunction("fullClear()") == bytes()); + BOOST_CHECK(m_state.storage(m_contractAddress).empty()); +} + +BOOST_AUTO_TEST_CASE(dynamic_multi_array_cleanup) +{ + char const* sourceCode = R"( + contract c { + struct s { uint[][] d; } + s[] data; + function fill() returns (uint) { + data.length = 3; + data[2].d.length = 4; + data[2].d[3].length = 5; + data[2].d[3][4] = 8; + return data[2].d[3][4]; + } + function clear() { delete data; } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(m_state.storage(m_contractAddress).empty()); + BOOST_CHECK(callContractFunction("fill()") == encodeArgs(8)); + BOOST_CHECK(!m_state.storage(m_contractAddress).empty()); + BOOST_CHECK(callContractFunction("clear()") == bytes()); + BOOST_CHECK(m_state.storage(m_contractAddress).empty()); +} + +BOOST_AUTO_TEST_CASE(array_copy_storage_storage_dyn_dyn) +{ + char const* sourceCode = R"( + contract c { + uint[] data1; + uint[] data2; + function setData1(uint length, uint index, uint value) { + data1.length = length; if (index < length) data1[index] = value; + } + function copyStorageStorage() { data2 = data1; } + function getData2(uint index) returns (uint len, uint val) { + len = data2.length; if (index < len) val = data2[index]; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("setData1(uint256,uint256,uint256)", 10, 5, 4) == bytes()); + BOOST_CHECK(callContractFunction("copyStorageStorage()") == bytes()); + BOOST_CHECK(callContractFunction("getData2(uint256)", 5) == encodeArgs(10, 4)); + BOOST_CHECK(callContractFunction("setData1(uint256,uint256,uint256)", 0, 0, 0) == bytes()); + BOOST_CHECK(callContractFunction("copyStorageStorage()") == bytes()); + BOOST_CHECK(callContractFunction("getData2(uint256)", 0) == encodeArgs(0, 0)); + BOOST_CHECK(m_state.storage(m_contractAddress).empty()); +} + +BOOST_AUTO_TEST_CASE(array_copy_storage_storage_static_static) +{ + char const* sourceCode = R"( + contract c { + uint[40] data1; + uint[20] data2; + function test() returns (uint x, uint y){ + data1[30] = 4; + data1[2] = 7; + data1[3] = 9; + data2[3] = 8; + data1 = data2; + x = data1[3]; + y = data1[30]; // should be cleared + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test()") == encodeArgs(8, 0)); +} + +BOOST_AUTO_TEST_CASE(array_copy_storage_storage_static_dynamic) +{ + char const* sourceCode = R"( + contract c { + uint[9] data1; + uint[] data2; + function test() returns (uint x, uint y){ + data1[8] = 4; + data2 = data1; + x = data2.length; + y = data2[8]; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test()") == encodeArgs(9, 4)); +} + +BOOST_AUTO_TEST_CASE(array_copy_different_packing) +{ + char const* sourceCode = R"( + contract c { + bytes8[] data1; // 4 per slot + bytes10[] data2; // 3 per slot + function test() returns (bytes10 a, bytes10 b, bytes10 c, bytes10 d, bytes10 e) { + data1.length = 9; + for (uint i = 0; i < data1.length; ++i) + data1[i] = bytes8(i); + data2 = data1; + a = data2[1]; + b = data2[2]; + c = data2[3]; + d = data2[4]; + e = data2[5]; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test()") == encodeArgs( + asString(fromHex("0000000000000001")), + asString(fromHex("0000000000000002")), + asString(fromHex("0000000000000003")), + asString(fromHex("0000000000000004")), + asString(fromHex("0000000000000005")) + )); +} + +BOOST_AUTO_TEST_CASE(array_copy_target_simple) +{ + char const* sourceCode = R"( + contract c { + bytes8[9] data1; // 4 per slot + bytes17[10] data2; // 1 per slot, no offset counter + function test() returns (bytes17 a, bytes17 b, bytes17 c, bytes17 d, bytes17 e) { + for (uint i = 0; i < data1.length; ++i) + data1[i] = bytes8(i); + data2[8] = data2[9] = 2; + data2 = data1; + a = data2[1]; + b = data2[2]; + c = data2[3]; + d = data2[4]; + e = data2[9]; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test()") == encodeArgs( + asString(fromHex("0000000000000001")), + asString(fromHex("0000000000000002")), + asString(fromHex("0000000000000003")), + asString(fromHex("0000000000000004")), + asString(fromHex("0000000000000000")) + )); +} + +BOOST_AUTO_TEST_CASE(array_copy_target_leftover) +{ + // test that leftover elements in the last slot of target are correctly cleared during assignment + char const* sourceCode = R"( + contract c { + byte[10] data1; + bytes2[32] data2; + function test() returns (uint check, uint res1, uint res2) { + uint i; + for (i = 0; i < data2.length; ++i) + data2[i] = 0xffff; + check = uint(data2[31]) * 0x10000 | uint(data2[14]); + for (i = 0; i < data1.length; ++i) + data1[i] = byte(uint8(1 + i)); + data2 = data1; + for (i = 0; i < 16; ++i) + res1 |= uint(data2[i]) * 0x10000**i; + for (i = 0; i < 16; ++i) + res2 |= uint(data2[16 + i]) * 0x10000**i; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test()") == encodeArgs( + u256("0xffffffff"), + asString(fromHex("0000000000000000""000000000a000900""0800070006000500""0400030002000100")), + asString(fromHex("0000000000000000""0000000000000000""0000000000000000""0000000000000000")) + )); +} + +BOOST_AUTO_TEST_CASE(array_copy_target_leftover2) +{ + // since the copy always copies whole slots, we have to make sure that the source size maxes + // out a whole slot and at the same time there are still elements left in the target at that point + char const* sourceCode = R"( + contract c { + bytes8[4] data1; // fits into one slot + bytes10[6] data2; // 4 elements need two slots + function test() returns (bytes10 r1, bytes10 r2, bytes10 r3) { + data1[0] = 1; + data1[1] = 2; + data1[2] = 3; + data1[3] = 4; + for (uint i = 0; i < data2.length; ++i) + data2[i] = bytes10(0xffff00 | (1 + i)); + data2 = data1; + r1 = data2[3]; + r2 = data2[4]; + r3 = data2[5]; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test()") == encodeArgs( + asString(fromHex("0000000000000004")), + asString(fromHex("0000000000000000")), + asString(fromHex("0000000000000000")) + )); +} +BOOST_AUTO_TEST_CASE(array_copy_storage_storage_struct) +{ + char const* sourceCode = R"( + contract c { + struct Data { uint x; uint y; } + Data[] data1; + Data[] data2; + function test() returns (uint x, uint y) { + data1.length = 9; + data1[8].x = 4; + data1[8].y = 5; + data2 = data1; + x = data2[8].x; + y = data2[8].y; + data1.length = 0; + data2 = data1; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test()") == encodeArgs(4, 5)); + BOOST_CHECK(m_state.storage(m_contractAddress).empty()); +} + +BOOST_AUTO_TEST_CASE(external_array_args) +{ + char const* sourceCode = R"( + contract c { + function test(uint[8] a, uint[] b, uint[5] c, uint a_index, uint b_index, uint c_index) + external returns (uint av, uint bv, uint cv) { + av = a[a_index]; + bv = b[b_index]; + cv = c[c_index]; + } + } + )"; + compileAndRun(sourceCode); + bytes params = encodeArgs( + 1, 2, 3, 4, 5, 6, 7, 8, // a + 32 * (8 + 1 + 5 + 1 + 1 + 1), // offset to b + 21, 22, 23, 24, 25, // c + 0, 1, 2, // (a,b,c)_index + 3, // b.length + 11, 12, 13 // b + ); + BOOST_CHECK(callContractFunction("test(uint256[8],uint256[],uint256[5],uint256,uint256,uint256)", params) == encodeArgs(1, 12, 23)); +} + +BOOST_AUTO_TEST_CASE(bytes_index_access) +{ + char const* sourceCode = R"( + contract c { + bytes data; + function direct(bytes arg, uint index) external returns (uint) { + return uint(arg[index]); + } + function storageCopyRead(bytes arg, uint index) external returns (uint) { + data = arg; + return uint(data[index]); + } + function storageWrite() external returns (uint) { + data.length = 35; + data[31] = 0x77; + data[32] = 0x14; + + data[31] = 1; + data[31] |= 8; + data[30] = 1; + data[32] = 3; + return uint(data[30]) * 0x100 | uint(data[31]) * 0x10 | uint(data[32]); + } + } + )"; + compileAndRun(sourceCode); + string array{ + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, + 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, + 30, 31, 32, 33}; + BOOST_CHECK(callContractFunction("direct(bytes,uint256)", 64, 33, u256(array.length()), array) == encodeArgs(33)); + BOOST_CHECK(callContractFunction("storageCopyRead(bytes,uint256)", 64, 33, u256(array.length()), array) == encodeArgs(33)); + BOOST_CHECK(callContractFunction("storageWrite()") == encodeArgs(0x193)); +} + +BOOST_AUTO_TEST_CASE(bytes_delete_element) +{ + char const* sourceCode = R"( + contract c { + bytes data; + function test1() external returns (bool) { + data.length = 100; + for (uint i = 0; i < data.length; i++) + data[i] = byte(i); + delete data[94]; + delete data[96]; + delete data[98]; + return data[94] == 0 && data[95] == 95 && data[96] == 0 && data[97] == 97; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test1()") == encodeArgs(true)); +} + +BOOST_AUTO_TEST_CASE(array_copy_calldata_storage) +{ + char const* sourceCode = R"( + contract c { + uint[9] m_data; + uint[] m_data_dyn; + uint8[][] m_byte_data; + function store(uint[9] a, uint8[3][] b) external returns (uint8) { + m_data = a; + m_data_dyn = a; + m_byte_data = b; + return b[3][1]; // note that access and declaration are reversed to each other + } + function retrieve() returns (uint a, uint b, uint c, uint d, uint e, uint f, uint g) { + a = m_data.length; + b = m_data[7]; + c = m_data_dyn.length; + d = m_data_dyn[7]; + e = m_byte_data.length; + f = m_byte_data[3].length; + g = m_byte_data[3][1]; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("store(uint256[9],uint8[3][])", encodeArgs( + 21, 22, 23, 24, 25, 26, 27, 28, 29, // a + u256(32 * (9 + 1)), + 4, // size of b + 1, 2, 3, // b[0] + 11, 12, 13, // b[1] + 21, 22, 23, // b[2] + 31, 32, 33 // b[3] + )) == encodeArgs(32)); + BOOST_CHECK(callContractFunction("retrieve()") == encodeArgs( + 9, 28, 9, 28, + 4, 3, 32)); +} + +BOOST_AUTO_TEST_CASE(array_copy_nested_array) +{ + char const* sourceCode = R"( + contract c { + uint[4][] a; + uint[10][] b; + uint[][] c; + function test(uint[2][] d) external returns (uint) { + a = d; + b = a; + c = b; + return c[1][1] | c[1][2] | c[1][3] | c[1][4]; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test(uint256[2][])", encodeArgs( + 32, 3, + 7, 8, + 9, 10, + 11, 12 + )) == encodeArgs(10)); +} + +BOOST_AUTO_TEST_CASE(array_copy_including_mapping) +{ + char const* sourceCode = R"( + contract c { + mapping(uint=>uint)[90][] large; + mapping(uint=>uint)[3][] small; + function test() returns (uint r) { + large.length = small.length = 7; + large[3][2][0] = 2; + large[1] = large[3]; + small[3][2][0] = 2; + small[1] = small[2]; + r = (( + small[3][2][0] * 0x100 | + small[1][2][0]) * 0x100 | + large[3][2][0]) * 0x100 | + large[1][2][0]; + delete small; + delete large; + } + function clear() returns (uint r) { + large.length = small.length = 7; + small[3][2][0] = 0; + large[3][2][0] = 0; + small.length = large.length = 0; + return 7; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test()") == encodeArgs(0x02000200)); + // storage is not empty because we cannot delete the mappings + BOOST_CHECK(!m_state.storage(m_contractAddress).empty()); + BOOST_CHECK(callContractFunction("clear()") == encodeArgs(7)); + BOOST_CHECK(m_state.storage(m_contractAddress).empty()); +} + +BOOST_AUTO_TEST_CASE(pass_dynamic_arguments_to_the_base) +{ + char const* sourceCode = R"( + contract Base { + function Base(uint i) + { + m_i = i; + } + uint public m_i; + } + contract Derived is Base(2) { + function Derived(uint i) Base(i) + {} + } + contract Final is Derived(4) { + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("m_i()") == encodeArgs(4)); +} + +BOOST_AUTO_TEST_CASE(pass_dynamic_arguments_to_the_base_base) +{ + char const* sourceCode = R"( + contract Base { + function Base(uint j) + { + m_i = j; + } + uint public m_i; + } + contract Base1 is Base(3) { + function Base1(uint k) Base(k*k) {} + } + contract Derived is Base(3), Base1(2) { + function Derived(uint i) Base(i) Base1(i) + {} + } + contract Final is Derived(4) { + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("m_i()") == encodeArgs(4)); +} + +BOOST_AUTO_TEST_CASE(pass_dynamic_arguments_to_the_base_base_with_gap) +{ + char const* sourceCode = R"( + contract Base { + function Base(uint i) + { + m_i = i; + } + uint public m_i; + } + contract Base1 is Base(3) {} + contract Derived is Base(2), Base1 { + function Derived(uint i) Base(i) {} + } + contract Final is Derived(4) { + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("m_i()") == encodeArgs(4)); +} + +BOOST_AUTO_TEST_CASE(simple_constant_variables_test) +{ + char const* sourceCode = R"( + contract Foo { + function getX() returns (uint r) { return x; } + uint constant x = 56; + })"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("getX()") == encodeArgs(56)); +} + +BOOST_AUTO_TEST_CASE(constant_variables) +{ + //for now constant specifier is valid only for uint bytesXX and enums + char const* sourceCode = R"( + contract Foo { + uint constant x = 56; + enum ActionChoices { GoLeft, GoRight, GoStraight, Sit } + ActionChoices constant choices = ActionChoices.GoLeft; + bytes32 constant st = "abc\x00\xff__"; + })"; + compileAndRun(sourceCode); +} + +BOOST_AUTO_TEST_CASE(packed_storage_structs_uint) +{ + char const* sourceCode = R"( + contract C { + struct str { uint8 a; uint16 b; uint248 c; } + str data; + function test() returns (uint) { + data.a = 2; + if (data.a != 2) return 2; + data.b = 0xabcd; + if (data.b != 0xabcd) return 3; + data.c = 0x1234567890; + if (data.c != 0x1234567890) return 4; + if (data.a != 2) return 5; + data.a = 8; + if (data.a != 8) return 6; + if (data.b != 0xabcd) return 7; + data.b = 0xdcab; + if (data.b != 0xdcab) return 8; + if (data.c != 0x1234567890) return 9; + data.c = 0x9876543210; + if (data.c != 0x9876543210) return 10; + return 1; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test()") == encodeArgs(1)); +} + +BOOST_AUTO_TEST_CASE(packed_storage_structs_enum) +{ + char const* sourceCode = R"( + contract C { + enum small { A, B, C, D } + enum larger { A, B, C, D, E} + struct str { small a; small b; larger c; larger d; } + str data; + function test() returns (uint) { + data.a = small.B; + if (data.a != small.B) return 2; + data.b = small.C; + if (data.b != small.C) return 3; + data.c = larger.D; + if (data.c != larger.D) return 4; + if (data.a != small.B) return 5; + data.a = small.C; + if (data.a != small.C) return 6; + if (data.b != small.C) return 7; + data.b = small.D; + if (data.b != small.D) return 8; + if (data.c != larger.D) return 9; + data.c = larger.B; + if (data.c != larger.B) return 10; + return 1; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test()") == encodeArgs(1)); +} + +BOOST_AUTO_TEST_CASE(packed_storage_structs_bytes) +{ + char const* sourceCode = R"( + contract C { + struct s1 { byte a; byte b; bytes10 c; bytes9 d; bytes10 e; } + struct s2 { byte a; s1 inner; byte b; byte c; } + byte x; + s2 data; + byte y; + function test() returns (bool) { + x = 1; + data.a = 2; + data.inner.a = 3; + data.inner.b = 4; + data.inner.c = "1234567890"; + data.inner.d = "123456789"; + data.inner.e = "abcdefghij"; + data.b = 5; + data.c = 6; + y = 7; + return x == 1 && data.a == 2 && data.inner.a == 3 && data.inner.b == 4 && + data.inner.c == "1234567890" && data.inner.d == "123456789" && + data.inner.e == "abcdefghij" && data.b == 5 && data.c == 6 && y == 7; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test()") == encodeArgs(true)); +} + +BOOST_AUTO_TEST_CASE(packed_storage_structs_delete) +{ + char const* sourceCode = R"( + contract C { + struct str { uint8 a; uint16 b; uint8 c; } + uint8 x; + uint16 y; + str data; + function test() returns (uint) { + x = 1; + y = 2; + data.a = 2; + data.b = 0xabcd; + data.c = 0xfa; + if (x != 1 || y != 2 || data.a != 2 || data.b != 0xabcd || data.c != 0xfa) + return 2; + delete y; + delete data.b; + if (x != 1 || y != 0 || data.a != 2 || data.b != 0 || data.c != 0xfa) + return 3; + delete x; + delete data; + return 1; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test()") == encodeArgs(1)); + BOOST_CHECK(m_state.storage(m_contractAddress).empty()); +} + +BOOST_AUTO_TEST_CASE(overloaded_function_call_resolve_to_first) +{ + char const* sourceCode = R"( + contract test { + function f(uint k) returns(uint d) { return k; } + function f(uint a, uint b) returns(uint d) { return a + b; } + function g() returns(uint d) { return f(3); } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("g()") == encodeArgs(3)); +} + +BOOST_AUTO_TEST_CASE(overloaded_function_call_resolve_to_second) +{ + char const* sourceCode = R"( + contract test { + function f(uint a, uint b) returns(uint d) { return a + b; } + function f(uint k) returns(uint d) { return k; } + function g() returns(uint d) { return f(3, 7); } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("g()") == encodeArgs(10)); +} + +BOOST_AUTO_TEST_CASE(overloaded_function_call_with_if_else) +{ + char const* sourceCode = R"( + contract test { + function f(uint a, uint b) returns(uint d) { return a + b; } + function f(uint k) returns(uint d) { return k; } + function g(bool flag) returns(uint d) { + if (flag) + return f(3); + else + return f(3, 7); + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("g(bool)", true) == encodeArgs(3)); + BOOST_CHECK(callContractFunction("g(bool)", false) == encodeArgs(10)); +} + +BOOST_AUTO_TEST_CASE(derived_overload_base_function_direct) +{ + char const* sourceCode = R"( + contract B { function f() returns(uint) { return 10; } } + contract C is B { + function f(uint i) returns(uint) { return 2 * i; } + function g() returns(uint) { return f(1); } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("g()") == encodeArgs(2)); +} + +BOOST_AUTO_TEST_CASE(derived_overload_base_function_indirect) +{ + char const* sourceCode = R"( + contract A { function f(uint a) returns(uint) { return 2 * a; } } + contract B { function f() returns(uint) { return 10; } } + contract C is A, B { + function g() returns(uint) { return f(); } + function h() returns(uint) { return f(1); } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("g()") == encodeArgs(10)); + BOOST_CHECK(callContractFunction("h()") == encodeArgs(2)); +} + +BOOST_AUTO_TEST_CASE(super_overload) +{ + char const* sourceCode = R"( + contract A { function f(uint a) returns(uint) { return 2 * a; } } + contract B { function f(bool b) returns(uint) { return 10; } } + contract C is A, B { + function g() returns(uint) { return super.f(true); } + function h() returns(uint) { return super.f(1); } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("g()") == encodeArgs(10)); + BOOST_CHECK(callContractFunction("h()") == encodeArgs(2)); +} + +BOOST_AUTO_TEST_CASE(packed_storage_signed) +{ + char const* sourceCode = R"( + contract C { + int8 a; + uint8 b; + int8 c; + uint8 d; + function test() returns (uint x1, uint x2, uint x3, uint x4) { + a = -2; + b = -uint8(a) * 2; + c = a * int8(120) * int8(121); + x1 = uint(a); + x2 = b; + x3 = uint(c); + x4 = d; + } + } + )"; + compileAndRun(sourceCode); + BOOST_CHECK( callContractFunction("test()") == encodeArgs(u256(-2), u256(4), u256(-112), u256(0))); +} + +BOOST_AUTO_TEST_CASE(external_types_in_calls) +{ + char const* sourceCode = R"( + contract C1 { C1 public bla; function C1(C1 x) { bla = x; } } + contract C { + function test() returns (C1 x, C1 y) { + C1 c = new C1(C1(9)); + x = c.bla(); + y = this.t1(C1(7)); + } + function t1(C1 a) returns (C1) { return a; } + function() returns (C1) { return C1(9); } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("test()") == encodeArgs(u256(9), u256(7))); + BOOST_CHECK(callContractFunction("nonexisting") == encodeArgs(u256(9))); +} + +BOOST_AUTO_TEST_CASE(proper_order_of_overwriting_of_attributes) +{ + // bug #1798 + char const* sourceCode = R"( + contract init { + function isOk() returns (bool) { return false; } + bool public ok = false; + } + contract fix { + function isOk() returns (bool) { return true; } + bool public ok = true; + } + + contract init_fix is init, fix { + function checkOk() returns (bool) { return ok; } + } + contract fix_init is fix, init { + function checkOk() returns (bool) { return ok; } + } + )"; + compileAndRun(sourceCode, 0, "init_fix"); + BOOST_CHECK(callContractFunction("isOk()") == encodeArgs(true)); + BOOST_CHECK(callContractFunction("ok()") == encodeArgs(true)); + + compileAndRun(sourceCode, 0, "fix_init"); + BOOST_CHECK(callContractFunction("isOk()") == encodeArgs(false)); + BOOST_CHECK(callContractFunction("ok()") == encodeArgs(false)); +} + +BOOST_AUTO_TEST_CASE(proper_overwriting_accessor_by_function) +{ + // bug #1798 + char const* sourceCode = R"( + contract attribute { + bool ok = false; + } + contract func { + function ok() returns (bool) { return true; } + } + + contract attr_func is attribute, func { + function checkOk() returns (bool) { return ok(); } + } + contract func_attr is func, attribute { + function checkOk() returns (bool) { return ok; } + } + )"; + compileAndRun(sourceCode, 0, "attr_func"); + BOOST_CHECK(callContractFunction("ok()") == encodeArgs(true)); + compileAndRun(sourceCode, 0, "func_attr"); + BOOST_CHECK(callContractFunction("checkOk()") == encodeArgs(false)); +} + + +BOOST_AUTO_TEST_CASE(overwriting_inheritance) +{ + // bug #1798 + char const* sourceCode = R"( + contract A { + function ok() returns (uint) { return 1; } + } + contract B { + function ok() returns (uint) { return 2; } + } + contract C { + uint ok = 6; + } + contract AB is A, B { + function ok() returns (uint) { return 4; } + } + contract reversedE is C, AB { + function checkOk() returns (uint) { return ok(); } + } + contract E is AB, C { + function checkOk() returns (uint) { return ok; } + } + )"; + compileAndRun(sourceCode, 0, "reversedE"); + BOOST_CHECK(callContractFunction("checkOk()") == encodeArgs(4)); + compileAndRun(sourceCode, 0, "E"); + BOOST_CHECK(callContractFunction("checkOk()") == encodeArgs(6)); +} + +BOOST_AUTO_TEST_CASE(struct_assign_reference_to_struct) +{ + char const* sourceCode = R"( + contract test { + struct testStruct + { + uint m_value; + } + testStruct data1; + testStruct data2; + testStruct data3; + function test() + { + data1.m_value = 2; + } + function assign() returns (uint ret_local, uint ret_global, uint ret_global3, uint ret_global1) + { + testStruct x = data1; //x is a reference data1.m_value == 2 as well as x.m_value = 2 + data2 = data1; // should copy data. data2.m_value == 2 + + ret_local = x.m_value; // = 2 + ret_global = data2.m_value; // = 2 + + x.m_value = 3; + data3 = x; //should copy the data. data3.m_value == 3 + ret_global3 = data3.m_value; // = 3 + ret_global1 = data1.m_value; // = 3. Changed due to the assignment to x.m_value + } + } + )"; + compileAndRun(sourceCode, 0, "test"); + BOOST_CHECK(callContractFunction("assign()") == encodeArgs(2, 2, 3, 3)); +} + +BOOST_AUTO_TEST_CASE(struct_delete_member) +{ + char const* sourceCode = R"( + contract test { + struct testStruct + { + uint m_value; + } + testStruct data1; + function test() + { + data1.m_value = 2; + } + function deleteMember() returns (uint ret_value) + { + testStruct x = data1; //should not copy the data. data1.m_value == 2 but x.m_value = 0 + x.m_value = 4; + delete x.m_value; + ret_value = data1.m_value; + } + } + )"; + compileAndRun(sourceCode, 0, "test"); + BOOST_CHECK(callContractFunction("deleteMember()") == encodeArgs(0)); +} + +BOOST_AUTO_TEST_CASE(struct_delete_struct_in_mapping) +{ + char const* sourceCode = R"( + contract test { + struct testStruct + { + uint m_value; + } + mapping (uint => testStruct) campaigns; + + function test() + { + campaigns[0].m_value = 2; + } + function deleteIt() returns (uint) + { + delete campaigns[0]; + return campaigns[0].m_value; + } + } + )"; + compileAndRun(sourceCode, 0, "test"); + BOOST_CHECK(callContractFunction("deleteIt()") == encodeArgs(0)); +} + +BOOST_AUTO_TEST_CASE(evm_exceptions_out_of_band_access) +{ + char const* sourceCode = R"( + contract A { + uint[3] arr; + bool public test = false; + function getElement(uint i) returns (uint) + { + return arr[i]; + } + function testIt() returns (bool) + { + uint i = this.getElement(5); + test = true; + return true; + } + } + )"; + compileAndRun(sourceCode, 0, "A"); + BOOST_CHECK(callContractFunction("test()") == encodeArgs(false)); + BOOST_CHECK(callContractFunction("testIt()") == encodeArgs()); + BOOST_CHECK(callContractFunction("test()") == encodeArgs(false)); +} + +BOOST_AUTO_TEST_CASE(evm_exceptions_in_constructor_call_fail) +{ + char const* sourceCode = R"( + contract A { + function A() + { + this.call("123"); + } + } + contract B { + uint public test = 1; + function testIt() + { + A a = new A(); + ++test; + } + } + )"; + compileAndRun(sourceCode, 0, "B"); + + BOOST_CHECK(callContractFunction("testIt()") == encodeArgs()); + BOOST_CHECK(callContractFunction("test()") == encodeArgs(2)); +} + +BOOST_AUTO_TEST_CASE(evm_exceptions_in_constructor_out_of_baund) +{ + char const* sourceCode = R"( + contract A { + uint public test = 1; + uint[3] arr; + function A() + { + test = arr[5]; + ++test; + } + } + )"; + BOOST_CHECK(compileAndRunWithoutCheck(sourceCode, 0, "A").empty()); +} + +BOOST_AUTO_TEST_CASE(positive_integers_to_signed) +{ + char const* sourceCode = R"( + contract test { + int8 public x = 2; + int8 public y = 127; + int16 public q = 250; + } + )"; + compileAndRun(sourceCode, 0, "test"); + BOOST_CHECK(callContractFunction("x()") == encodeArgs(2)); + BOOST_CHECK(callContractFunction("y()") == encodeArgs(127)); + BOOST_CHECK(callContractFunction("q()") == encodeArgs(250)); +} + +BOOST_AUTO_TEST_CASE(failing_send) +{ + char const* sourceCode = R"( + contract Helper { + uint[] data; + function () { + data[9]; // trigger exception + } + } + contract Main { + function callHelper(address _a) returns (bool r, uint bal) { + r = !_a.send(5); + bal = this.balance; + } + } + )"; + compileAndRun(sourceCode, 0, "Helper"); + u160 const c_helperAddress = m_contractAddress; + compileAndRun(sourceCode, 20, "Main"); + BOOST_REQUIRE(callContractFunction("callHelper(address)", c_helperAddress) == encodeArgs(true, 20)); +} + +BOOST_AUTO_TEST_CASE(reusing_memory) +{ + // Invoke some features that use memory and test that they do not interfere with each other. + char const* sourceCode = R"( + contract Helper { + uint public flag; + function Helper(uint x) { + flag = x; + } + } + contract Main { + mapping(uint => uint) map; + function f(uint x) returns (uint) { + map[x] = x; + return (new Helper(uint(sha3(this.g(map[x]))))).flag(); + } + function g(uint a) returns (uint) + { + return map[a]; + } + } + )"; + compileAndRun(sourceCode, 0, "Main"); + BOOST_REQUIRE(callContractFunction("f(uint256)", 0x34) == encodeArgs(dev::sha3(dev::toBigEndian(u256(0x34))))); +} + +BOOST_AUTO_TEST_CASE(return_string) +{ + char const* sourceCode = R"( + contract Main { + string public s; + function set(string _s) external { + s = _s; + } + function get1() returns (string r) { + return s; + } + function get2() returns (string r) { + r = s; + } + } + )"; + compileAndRun(sourceCode, 0, "Main"); + string s("Julia"); + bytes args = encodeArgs(u256(0x20), u256(s.length()), s); + BOOST_REQUIRE(callContractFunction("set(string)", asString(args)) == encodeArgs()); + BOOST_CHECK(callContractFunction("get1()") == args); + BOOST_CHECK(callContractFunction("get2()") == args); + BOOST_CHECK(callContractFunction("s()") == args); +} + +BOOST_AUTO_TEST_CASE(return_multiple_strings_of_various_sizes) +{ + char const* sourceCode = R"( + contract Main { + string public s1; + string public s2; + function set(string _s1, uint x, string _s2) external returns (uint) { + s1 = _s1; + s2 = _s2; + return x; + } + function get() returns (string r1, string r2) { + r1 = s1; + r2 = s2; + } + } + )"; + compileAndRun(sourceCode, 0, "Main"); + string s1( + "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz" + "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz" + "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz" + "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz" + ); + string s2( + "ABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZ" + "ABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZ" + "ABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZ" + "ABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZ" + "ABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZ" + ); + vector<size_t> lengthes{0, 30, 32, 63, 64, 65, 210, 300}; + for (auto l1: lengthes) + for (auto l2: lengthes) + { + bytes dyn1 = encodeArgs(u256(l1), s1.substr(0, l1)); + bytes dyn2 = encodeArgs(u256(l2), s2.substr(0, l2)); + bytes args = encodeArgs(u256(0x60), u256(l1), u256(0x60 + dyn1.size())) + dyn1 + dyn2; + BOOST_REQUIRE( + callContractFunction("set(string,uint256,string)", asString(args)) == + encodeArgs(u256(l1)) + ); + bytes result = encodeArgs(u256(0x40), u256(0x40 + dyn1.size())) + dyn1 + dyn2; + BOOST_CHECK(callContractFunction("get()") == result); + BOOST_CHECK(callContractFunction("s1()") == encodeArgs(0x20) + dyn1); + BOOST_CHECK(callContractFunction("s2()") == encodeArgs(0x20) + dyn2); + } +} + +BOOST_AUTO_TEST_CASE(accessor_involving_strings) +{ + char const* sourceCode = R"( + contract Main { + struct stringData { string a; uint b; string c; } + mapping(uint => stringData[]) public data; + function set(uint x, uint y, string a, uint b, string c) external returns (bool) { + data[x].length = y + 1; + data[x][y].a = a; + data[x][y].b = b; + data[x][y].c = c; + return true; + } + } + )"; + compileAndRun(sourceCode, 0, "Main"); + string s1("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"); + string s2("ABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZ"); + bytes s1Data = encodeArgs(u256(s1.length()), s1); + bytes s2Data = encodeArgs(u256(s2.length()), s2); + u256 b = 765; + u256 x = 7; + u256 y = 123; + bytes args = encodeArgs(x, y, u256(0xa0), b, u256(0xa0 + s1Data.size()), s1Data, s2Data); + bytes result = encodeArgs(u256(0x60), b, u256(0x60 + s1Data.size()), s1Data, s2Data); + BOOST_REQUIRE(callContractFunction("set(uint256,uint256,string,uint256,string)", asString(args)) == encodeArgs(true)); + BOOST_REQUIRE(callContractFunction("data(uint256,uint256)", x, y) == result); +} + +BOOST_AUTO_TEST_CASE(bytes_in_function_calls) +{ + char const* sourceCode = R"( + contract Main { + string public s1; + string public s2; + function set(string _s1, uint x, string _s2) returns (uint) { + s1 = _s1; + s2 = _s2; + return x; + } + function setIndirectFromMemory(string _s1, uint x, string _s2) returns (uint) { + return this.set(_s1, x, _s2); + } + function setIndirectFromCalldata(string _s1, uint x, string _s2) external returns (uint) { + return this.set(_s1, x, _s2); + } + } + )"; + compileAndRun(sourceCode, 0, "Main"); + string s1("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"); + string s2("ABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZ"); + vector<size_t> lengthes{0, 31, 64, 65}; + for (auto l1: lengthes) + for (auto l2: lengthes) + { + bytes dyn1 = encodeArgs(u256(l1), s1.substr(0, l1)); + bytes dyn2 = encodeArgs(u256(l2), s2.substr(0, l2)); + bytes args1 = encodeArgs(u256(0x60), u256(l1), u256(0x60 + dyn1.size())) + dyn1 + dyn2; + BOOST_REQUIRE( + callContractFunction("setIndirectFromMemory(string,uint256,string)", asString(args1)) == + encodeArgs(u256(l1)) + ); + BOOST_CHECK(callContractFunction("s1()") == encodeArgs(0x20) + dyn1); + BOOST_CHECK(callContractFunction("s2()") == encodeArgs(0x20) + dyn2); + // swapped + bytes args2 = encodeArgs(u256(0x60), u256(l1), u256(0x60 + dyn2.size())) + dyn2 + dyn1; + BOOST_REQUIRE( + callContractFunction("setIndirectFromCalldata(string,uint256,string)", asString(args2)) == + encodeArgs(u256(l1)) + ); + BOOST_CHECK(callContractFunction("s1()") == encodeArgs(0x20) + dyn2); + BOOST_CHECK(callContractFunction("s2()") == encodeArgs(0x20) + dyn1); + } +} + +BOOST_AUTO_TEST_CASE(return_bytes_internal) +{ + char const* sourceCode = R"( + contract Main { + bytes s1; + function doSet(bytes _s1) returns (bytes _r1) { + s1 = _s1; + _r1 = s1; + } + function set(bytes _s1) external returns (uint _r, bytes _r1) { + _r1 = doSet(_s1); + _r = _r1.length; + } + } + )"; + compileAndRun(sourceCode, 0, "Main"); + string s1("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"); + vector<size_t> lengthes{0, 31, 64, 65}; + for (auto l1: lengthes) + { + bytes dyn1 = encodeArgs(u256(l1), s1.substr(0, l1)); + bytes args1 = encodeArgs(u256(0x20)) + dyn1; + BOOST_REQUIRE( + callContractFunction("set(bytes)", asString(args1)) == + encodeArgs(u256(l1), u256(0x40)) + dyn1 + ); + } +} + +BOOST_AUTO_TEST_CASE(bytes_index_access_memory) +{ + char const* sourceCode = R"( + contract Main { + function f(bytes _s1, uint i1, uint i2, uint i3) returns (byte c1, byte c2, byte c3) { + c1 = _s1[i1]; + c2 = intern(_s1, i2); + c3 = internIndirect(_s1)[i3]; + } + function intern(bytes _s1, uint i) returns (byte c) { + return _s1[i]; + } + function internIndirect(bytes _s1) returns (bytes) { + return _s1; + } + } + )"; + compileAndRun(sourceCode, 0, "Main"); + string s1("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"); + bytes dyn1 = encodeArgs(u256(s1.length()), s1); + bytes args1 = encodeArgs(u256(0x80), u256(3), u256(4), u256(5)) + dyn1; + BOOST_REQUIRE( + callContractFunction("f(bytes,uint256,uint256,uint256)", asString(args1)) == + encodeArgs(string{s1[3]}, string{s1[4]}, string{s1[5]}) + ); +} + +BOOST_AUTO_TEST_CASE(bytes_in_constructors_unpacker) +{ + char const* sourceCode = R"( + contract Test { + uint public m_x; + bytes public m_s; + function Test(uint x, bytes s) { + m_x = x; + m_s = s; + } + } + )"; + string s1("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"); + bytes dyn1 = encodeArgs(u256(s1.length()), s1); + u256 x = 7; + bytes args1 = encodeArgs(x, u256(0x40)) + dyn1; + compileAndRun(sourceCode, 0, "Test", args1); + BOOST_REQUIRE(callContractFunction("m_x()") == encodeArgs(x)); + BOOST_REQUIRE(callContractFunction("m_s()") == encodeArgs(u256(0x20)) + dyn1); +} + +BOOST_AUTO_TEST_CASE(bytes_in_constructors_packer) +{ + char const* sourceCode = R"( + contract Base { + uint public m_x; + bytes m_s; + function Base(uint x, bytes s) { + m_x = x; + m_s = s; + } + function part(uint i) returns (byte) { + return m_s[i]; + } + } + contract Main is Base { + function Main(bytes s, uint x) Base(x, f(s)) {} + function f(bytes s) returns (bytes) { + return s; + } + } + contract Creator { + function f(uint x, bytes s) returns (uint r, byte ch) { + var c = new Main(s, x); + r = c.m_x(); + ch = c.part(x); + } + } + )"; + compileAndRun(sourceCode, 0, "Creator"); + string s1("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"); + bytes dyn1 = encodeArgs(u256(s1.length()), s1); + u256 x = 7; + bytes args1 = encodeArgs(x, u256(0x40)) + dyn1; + BOOST_REQUIRE( + callContractFunction("f(uint256,bytes)", asString(args1)) == + encodeArgs(x, string{s1[unsigned(x)]}) + ); +} + +BOOST_AUTO_TEST_CASE(arrays_in_constructors) +{ + char const* sourceCode = R"( + contract Base { + uint public m_x; + address[] m_s; + function Base(uint x, address[] s) { + m_x = x; + m_s = s; + } + function part(uint i) returns (address) { + return m_s[i]; + } + } + contract Main is Base { + function Main(address[] s, uint x) Base(x, f(s)) {} + function f(address[] s) returns (address[]) { + return s; + } + } + contract Creator { + function f(uint x, address[] s) returns (uint r, address ch) { + var c = new Main(s, x); + r = c.m_x(); + ch = c.part(x); + } + } + )"; + compileAndRun(sourceCode, 0, "Creator"); + vector<u256> s1{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; + bytes dyn1 = encodeArgs(u256(s1.size()), s1); + u256 x = 7; + bytes args1 = encodeArgs(x, u256(0x40)) + dyn1; + BOOST_REQUIRE( + callContractFunction("f(uint256,address[])", asString(args1)) == + encodeArgs(x, s1[unsigned(x)]) + ); +} + +BOOST_AUTO_TEST_CASE(arrays_from_and_to_storage) +{ + char const* sourceCode = R"( + contract Test { + uint24[] public data; + function set(uint24[] _data) returns (uint) { + data = _data; + return data.length; + } + function get() returns (uint24[]) { + return data; + } + } + )"; + compileAndRun(sourceCode, 0, "Test"); + + vector<u256> data{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18}; + BOOST_REQUIRE( + callContractFunction("set(uint24[])", u256(0x20), u256(data.size()), data) == + encodeArgs(u256(data.size())) + ); + BOOST_CHECK(callContractFunction("data(uint256)", u256(7)) == encodeArgs(u256(8))); + BOOST_CHECK(callContractFunction("data(uint256)", u256(15)) == encodeArgs(u256(16))); + BOOST_CHECK(callContractFunction("data(uint256)", u256(18)) == encodeArgs()); + BOOST_CHECK(callContractFunction("get()") == encodeArgs(u256(0x20), u256(data.size()), data)); +} + +BOOST_AUTO_TEST_CASE(arrays_complex_from_and_to_storage) +{ + char const* sourceCode = R"( + contract Test { + uint24[3][] public data; + function set(uint24[3][] _data) returns (uint) { + data = _data; + return data.length; + } + function get() returns (uint24[3][]) { + return data; + } + } + )"; + compileAndRun(sourceCode, 0, "Test"); + + vector<u256> data{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18}; + BOOST_REQUIRE( + callContractFunction("set(uint24[3][])", u256(0x20), u256(data.size() / 3), data) == + encodeArgs(u256(data.size() / 3)) + ); + BOOST_CHECK(callContractFunction("data(uint256,uint256)", u256(2), u256(2)) == encodeArgs(u256(9))); + BOOST_CHECK(callContractFunction("data(uint256,uint256)", u256(5), u256(1)) == encodeArgs(u256(17))); + BOOST_CHECK(callContractFunction("data(uint256,uint256)", u256(6), u256(0)) == encodeArgs()); + BOOST_CHECK(callContractFunction("get()") == encodeArgs(u256(0x20), u256(data.size() / 3), data)); +} + +BOOST_AUTO_TEST_CASE(arrays_complex_memory_index_access) +{ + char const* sourceCode = R"( + contract Test { + function set(uint24[3][] _data, uint a, uint b) returns (uint l, uint e) { + l = _data.length; + e = _data[a][b]; + } + } + )"; + compileAndRun(sourceCode, 0, "Test"); + + vector<u256> data{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18}; + BOOST_REQUIRE(callContractFunction( + "set(uint24[3][],uint256,uint256)", + u256(0x60), + u256(3), + u256(2), + u256(data.size() / 3), + data + ) == encodeArgs(u256(data.size() / 3), u256(data[3 * 3 + 2]))); +} + +BOOST_AUTO_TEST_CASE(bytes_memory_index_access) +{ + char const* sourceCode = R"( + contract Test { + function set(bytes _data, uint i) returns (uint l, byte c) { + l = _data.length; + c = _data[i]; + } + } + )"; + compileAndRun(sourceCode, 0, "Test"); + + string data("abcdefgh"); + BOOST_REQUIRE(callContractFunction( + "set(bytes,uint256)", + u256(0x40), + u256(3), + u256(data.size()), + data + ) == encodeArgs(u256(data.size()), string("d"))); +} + +BOOST_AUTO_TEST_CASE(dev_title_at_function_error) +{ + char const* sourceCode = " /// @author Lefteris\n" + " /// @title Just a test contract\n" + "contract test {\n" + " /// @dev Mul function\n" + " /// @title I really should not be here\n" + " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n" + "}\n"; + + compileRequireThrow<DocstringParsingError>(sourceCode); +} + +BOOST_AUTO_TEST_CASE(dev_documenting_nonexistant_param) +{ + char const* sourceCode = "contract test {\n" + " /// @dev Multiplies a number by 7 and adds second parameter\n" + " /// @param a Documentation for the first parameter\n" + " /// @param not_existing Documentation for the second parameter\n" + " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n" + "}\n"; + + compileRequireThrow<DocstringParsingError>(sourceCode); +} + + +BOOST_AUTO_TEST_CASE(storage_array_ref) +{ + char const* sourceCode = R"( + contract BinarySearch { + /// Finds the position of _value in the sorted list _data. + /// Note that "internal" is important here, because storage references only work for internal or private functions + function find(uint[] storage _data, uint _value) internal returns (uint o_position) { + return find(_data, 0, _data.length, _value); + } + function find(uint[] storage _data, uint _begin, uint _len, uint _value) private returns (uint o_position) { + if (_len == 0 || (_len == 1 && _data[_begin] != _value)) + return uint(-1); // failure + uint halfLen = _len / 2; + uint v = _data[_begin + halfLen]; + if (_value < v) + return find(_data, _begin, halfLen, _value); + else if (_value > v) + return find(_data, _begin + halfLen + 1, halfLen - 1, _value); + else + return _begin + halfLen; + } + } + + contract Store is BinarySearch { + uint[] data; + function add(uint v) { + data.length++; + data[data.length - 1] = v; + } + function find(uint v) returns (uint) { + return find(data, v); + } + } + )"; + compileAndRun(sourceCode, 0, "Store"); + BOOST_REQUIRE(callContractFunction("find(uint256)", u256(7)) == encodeArgs(u256(-1))); + BOOST_REQUIRE(callContractFunction("add(uint256)", u256(7)) == encodeArgs()); + BOOST_REQUIRE(callContractFunction("find(uint256)", u256(7)) == encodeArgs(u256(0))); + BOOST_CHECK(callContractFunction("add(uint256)", u256(11)) == encodeArgs()); + BOOST_CHECK(callContractFunction("add(uint256)", u256(17)) == encodeArgs()); + BOOST_CHECK(callContractFunction("add(uint256)", u256(27)) == encodeArgs()); + BOOST_CHECK(callContractFunction("add(uint256)", u256(31)) == encodeArgs()); + BOOST_CHECK(callContractFunction("add(uint256)", u256(32)) == encodeArgs()); + BOOST_CHECK(callContractFunction("add(uint256)", u256(66)) == encodeArgs()); + BOOST_CHECK(callContractFunction("add(uint256)", u256(177)) == encodeArgs()); + BOOST_CHECK(callContractFunction("find(uint256)", u256(7)) == encodeArgs(u256(0))); + BOOST_CHECK(callContractFunction("find(uint256)", u256(27)) == encodeArgs(u256(3))); + BOOST_CHECK(callContractFunction("find(uint256)", u256(32)) == encodeArgs(u256(5))); + BOOST_CHECK(callContractFunction("find(uint256)", u256(176)) == encodeArgs(u256(-1))); + BOOST_CHECK(callContractFunction("find(uint256)", u256(0)) == encodeArgs(u256(-1))); + BOOST_CHECK(callContractFunction("find(uint256)", u256(400)) == encodeArgs(u256(-1))); +} + +BOOST_AUTO_TEST_CASE(memory_types_initialisation) +{ + char const* sourceCode = R"( + contract Test { + mapping(uint=>uint) data; + function stat() returns (uint[5]) + { + data[2] = 3; // make sure to use some memory + } + function dyn() returns (uint[]) { stat(); } + function nested() returns (uint[3][]) { stat(); } + function nestedStat() returns (uint[3][7]) { stat(); } + } + )"; + compileAndRun(sourceCode, 0, "Test"); + + BOOST_CHECK(callContractFunction("stat()") == encodeArgs(vector<u256>(5))); + BOOST_CHECK(callContractFunction("dyn()") == encodeArgs(u256(0x20), u256(0))); + BOOST_CHECK(callContractFunction("nested()") == encodeArgs(u256(0x20), u256(0))); + BOOST_CHECK(callContractFunction("nestedStat()") == encodeArgs(vector<u256>(3 * 7))); +} + +BOOST_AUTO_TEST_CASE(memory_arrays_delete) +{ + char const* sourceCode = R"( + contract Test { + function del() returns (uint24[3][4]) { + uint24[3][4] memory x; + for (uint24 i = 0; i < x.length; i ++) + for (uint24 j = 0; j < x[i].length; j ++) + x[i][j] = i * 0x10 + j; + delete x[1]; + delete x[3][2]; + return x; + } + } + )"; + compileAndRun(sourceCode, 0, "Test"); + + vector<u256> data(3 * 4); + for (unsigned i = 0; i < 4; i++) + for (unsigned j = 0; j < 3; j++) + { + u256 v = 0; + if (!(i == 1 || (i == 3 && j == 2))) + v = i * 0x10 + j; + data[i * 3 + j] = v; + } + BOOST_CHECK(callContractFunction("del()") == encodeArgs(data)); +} + +BOOST_AUTO_TEST_CASE(memory_arrays_index_access_write) +{ + char const* sourceCode = R"( + contract Test { + function set(uint24[3][4] x) { + x[2][2] = 1; + x[3][2] = 7; + } + function f() returns (uint24[3][4]){ + uint24[3][4] memory data; + set(data); + return data; + } + } + )"; + compileAndRun(sourceCode, 0, "Test"); + + vector<u256> data(3 * 4); + data[3 * 2 + 2] = 1; + data[3 * 3 + 2] = 7; + BOOST_CHECK(callContractFunction("f()") == encodeArgs(data)); +} + +BOOST_AUTO_TEST_CASE(memory_arrays_dynamic_index_access_write) +{ + char const* sourceCode = R"( + contract Test { + uint24[3][][4] data; + function set(uint24[3][][4] x) internal returns (uint24[3][][4]) { + x[1][2][2] = 1; + x[1][3][2] = 7; + return x; + } + function f() returns (uint24[3][]) { + data[1].length = 4; + return set(data)[1]; + } + } + )"; + compileAndRun(sourceCode, 0, "Test"); + + vector<u256> data(3 * 4); + data[3 * 2 + 2] = 1; + data[3 * 3 + 2] = 7; + BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0x20), u256(4), data)); +} + +BOOST_AUTO_TEST_CASE(memory_structs_read_write) +{ + char const* sourceCode = R"( + contract Test { + struct S { uint8 x; uint16 y; uint z; uint8[2] a; } + S[5] data; + function testInit() returns (uint8 x, uint16 y, uint z, uint8 a, bool flag) { + S[2] memory d; + x = d[0].x; + y = d[0].y; + z = d[0].z; + a = d[0].a[1]; + flag = true; + } + function testCopyRead() returns (uint8 x, uint16 y, uint z, uint8 a) { + data[2].x = 1; + data[2].y = 2; + data[2].z = 3; + data[2].a[1] = 4; + S memory s = data[2]; + x = s.x; + y = s.y; + z = s.z; + a = s.a[1]; + } + function testAssign() returns (uint8 x, uint16 y, uint z, uint8 a) { + S memory s; + s.x = 1; + s.y = 2; + s.z = 3; + s.a[1] = 4; + x = s.x; + y = s.y; + z = s.z; + a = s.a[1]; + } + } + )"; + compileAndRun(sourceCode, 0, "Test"); + + BOOST_CHECK(callContractFunction("testInit()") == encodeArgs(u256(0), u256(0), u256(0), u256(0), true)); + BOOST_CHECK(callContractFunction("testCopyRead()") == encodeArgs(u256(1), u256(2), u256(3), u256(4))); + BOOST_CHECK(callContractFunction("testAssign()") == encodeArgs(u256(1), u256(2), u256(3), u256(4))); +} + +BOOST_AUTO_TEST_CASE(memory_structs_as_function_args) +{ + char const* sourceCode = R"( + contract Test { + struct S { uint8 x; uint16 y; uint z; } + function test() returns (uint x, uint y, uint z) { + S memory data = combine(1, 2, 3); + x = extract(data, 0); + y = extract(data, 1); + z = extract(data, 2); + } + function extract(S s, uint which) internal returns (uint x) { + if (which == 0) return s.x; + else if (which == 1) return s.y; + else return s.z; + } + function combine(uint8 x, uint16 y, uint z) internal returns (S s) { + s.x = x; + s.y = y; + s.z = z; + } + } + )"; + compileAndRun(sourceCode, 0, "Test"); + + BOOST_CHECK(callContractFunction("test()") == encodeArgs(u256(1), u256(2), u256(3))); +} + +BOOST_AUTO_TEST_CASE(memory_structs_nested) +{ + char const* sourceCode = R"( + contract Test { + struct S { uint8 x; uint16 y; uint z; } + struct X { uint8 x; S s; } + function test() returns (uint a, uint x, uint y, uint z) { + X memory d = combine(1, 2, 3, 4); + a = extract(d, 0); + x = extract(d, 1); + y = extract(d, 2); + z = extract(d, 3); + } + function extract(X s, uint which) internal returns (uint x) { + if (which == 0) return s.x; + else if (which == 1) return s.s.x; + else if (which == 2) return s.s.y; + else return s.s.z; + } + function combine(uint8 a, uint8 x, uint16 y, uint z) internal returns (X s) { + s.x = a; + s.s.x = x; + s.s.y = y; + s.s.z = z; + } + } + )"; + compileAndRun(sourceCode, 0, "Test"); + + BOOST_CHECK(callContractFunction("test()") == encodeArgs(u256(1), u256(2), u256(3), u256(4))); +} + +BOOST_AUTO_TEST_CASE(memory_structs_nested_load) +{ + char const* sourceCode = R"( + contract Test { + struct S { uint8 x; uint16 y; uint z; } + struct X { uint8 x; S s; uint8[2] a; } + X m_x; + function load() returns (uint a, uint x, uint y, uint z, uint a1, uint a2) { + m_x.x = 1; + m_x.s.x = 2; + m_x.s.y = 3; + m_x.s.z = 4; + m_x.a[0] = 5; + m_x.a[1] = 6; + X memory d = m_x; + a = d.x; + x = d.s.x; + y = d.s.y; + z = d.s.z; + a1 = d.a[0]; + a2 = d.a[1]; + } + function store() returns (uint a, uint x, uint y, uint z, uint a1, uint a2) { + X memory d; + d.x = 1; + d.s.x = 2; + d.s.y = 3; + d.s.z = 4; + d.a[0] = 5; + d.a[1] = 6; + m_x = d; + a = m_x.x; + x = m_x.s.x; + y = m_x.s.y; + z = m_x.s.z; + a1 = m_x.a[0]; + a2 = m_x.a[1]; + } + } + )"; + compileAndRun(sourceCode, 0, "Test"); + + auto out = encodeArgs(u256(1), u256(2), u256(3), u256(4), u256(5), u256(6)); + BOOST_CHECK(callContractFunction("load()") == out); + BOOST_CHECK(callContractFunction("store()") == out); +} + +BOOST_AUTO_TEST_CASE(struct_constructor_nested) +{ + char const* sourceCode = R"( + contract C { + struct X { uint x1; uint x2; } + struct S { uint s1; uint[3] s2; X s3; } + S s; + function C() { + uint[3] memory s2; + s2[1] = 9; + s = S(1, s2, X(4, 5)); + } + function get() returns (uint s1, uint[3] s2, uint x1, uint x2) + { + s1 = s.s1; + s2 = s.s2; + x1 = s.s3.x1; + x2 = s.s3.x2; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + + auto out = encodeArgs(u256(1), u256(0), u256(9), u256(0), u256(4), u256(5)); + BOOST_CHECK(callContractFunction("get()") == out); +} + +BOOST_AUTO_TEST_CASE(struct_named_constructor) +{ + char const* sourceCode = R"( + contract C { + struct S { uint a; bool x; } + S public s; + function C() { + s = S({a: 1, x: true}); + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + + BOOST_CHECK(callContractFunction("s()") == encodeArgs(u256(1), true)); +} + +BOOST_AUTO_TEST_CASE(literal_strings) +{ + char const* sourceCode = R"( + contract Test { + string public long; + string public medium; + string public short; + string public empty; + function f() returns (string) { + long = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678900123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890"; + medium = "01234567890123456789012345678901234567890123456789012345678901234567890123456789"; + short = "123"; + empty = ""; + return "Hello, World!"; + } + } + )"; + compileAndRun(sourceCode, 0, "Test"); + string longStr = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678900123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890"; + string medium = "01234567890123456789012345678901234567890123456789012345678901234567890123456789"; + string shortStr = "123"; + string hello = "Hello, World!"; + + BOOST_CHECK(callContractFunction("f()") == encodeDyn(hello)); + BOOST_CHECK(callContractFunction("long()") == encodeDyn(longStr)); + BOOST_CHECK(callContractFunction("medium()") == encodeDyn(medium)); + BOOST_CHECK(callContractFunction("short()") == encodeDyn(shortStr)); + BOOST_CHECK(callContractFunction("empty()") == encodeDyn(string())); +} + +BOOST_AUTO_TEST_CASE(initialise_string_constant) +{ + char const* sourceCode = R"( + contract Test { + string public short = "abcdef"; + string public long = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678900123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890"; + } + )"; + compileAndRun(sourceCode, 0, "Test"); + string longStr = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678900123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890"; + string shortStr = "abcdef"; + + BOOST_CHECK(callContractFunction("long()") == encodeDyn(longStr)); + BOOST_CHECK(callContractFunction("short()") == encodeDyn(shortStr)); +} + +BOOST_AUTO_TEST_CASE(memory_structs_with_mappings) +{ + char const* sourceCode = R"( + contract Test { + struct S { uint8 a; mapping(uint => uint) b; uint8 c; } + S s; + function f() returns (uint) { + S memory x; + if (x.a != 0 || x.c != 0) return 1; + x.a = 4; x.c = 5; + s = x; + if (s.a != 4 || s.c != 5) return 2; + x = S(2, 3); + if (x.a != 2 || x.c != 3) return 3; + x = s; + if (s.a != 4 || s.c != 5) return 4; + } + } + )"; + compileAndRun(sourceCode, 0, "Test"); + BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0))); +} + +BOOST_AUTO_TEST_CASE(string_bytes_conversion) +{ + char const* sourceCode = R"( + contract Test { + string s; + bytes b; + function f(string _s, uint n) returns (byte) { + b = bytes(_s); + s = string(b); + return bytes(s)[n]; + } + function l() returns (uint) { return bytes(s).length; } + } + )"; + compileAndRun(sourceCode, 0, "Test"); + BOOST_CHECK(callContractFunction( + "f(string,uint256)", + u256(0x40), + u256(2), + u256(6), + string("abcdef") + ) == encodeArgs("c")); + BOOST_CHECK(callContractFunction("l()") == encodeArgs(u256(6))); +} + +BOOST_AUTO_TEST_CASE(string_as_mapping_key) +{ + char const* sourceCode = R"( + contract Test { + mapping(string => uint) data; + function set(string _s, uint _v) { data[_s] = _v; } + function get(string _s) returns (uint) { return data[_s]; } + } + )"; + compileAndRun(sourceCode, 0, "Test"); + vector<string> strings{ + "Hello, World!", + "Hello, World!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1111", + "", + "1" + }; + for (unsigned i = 0; i < strings.size(); i++) + BOOST_CHECK(callContractFunction( + "set(string,uint256)", + u256(0x40), + u256(7 + i), + u256(strings[i].size()), + strings[i] + ) == encodeArgs()); + for (unsigned i = 0; i < strings.size(); i++) + BOOST_CHECK(callContractFunction( + "get(string)", + u256(0x20), + u256(strings[i].size()), + strings[i] + ) == encodeArgs(u256(7 + i))); +} + +BOOST_AUTO_TEST_SUITE_END() + +} +} +} // end namespaces diff --git a/test/libsolidity/SolidityExpressionCompiler.cpp b/test/libsolidity/SolidityExpressionCompiler.cpp new file mode 100644 index 00000000..ee631197 --- /dev/null +++ b/test/libsolidity/SolidityExpressionCompiler.cpp @@ -0,0 +1,491 @@ +/* + 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/>. +*/ +/** + * @author Christian <c@ethdev.com> + * @date 2014 + * Unit tests for the solidity expression compiler. + */ + +#include <string> + +#include <libdevcore/Log.h> +#include <libsolidity/Scanner.h> +#include <libsolidity/Parser.h> +#include <libsolidity/NameAndTypeResolver.h> +#include <libsolidity/CompilerContext.h> +#include <libsolidity/ExpressionCompiler.h> +#include <libsolidity/AST.h> +#include "../TestHelper.h" + +using namespace std; + +namespace dev +{ +namespace solidity +{ +namespace test +{ + +namespace +{ + +/// Helper class that extracts the first expression in an AST. +class FirstExpressionExtractor: private ASTVisitor +{ +public: + FirstExpressionExtractor(ASTNode& _node): m_expression(nullptr) { _node.accept(*this); } + Expression* getExpression() const { return m_expression; } +private: + virtual bool visit(Assignment& _expression) override { return checkExpression(_expression); } + virtual bool visit(UnaryOperation& _expression) override { return checkExpression(_expression); } + virtual bool visit(BinaryOperation& _expression) override { return checkExpression(_expression); } + virtual bool visit(FunctionCall& _expression) override { return checkExpression(_expression); } + virtual bool visit(MemberAccess& _expression) override { return checkExpression(_expression); } + virtual bool visit(IndexAccess& _expression) override { return checkExpression(_expression); } + virtual bool visit(Identifier& _expression) override { return checkExpression(_expression); } + virtual bool visit(ElementaryTypeNameExpression& _expression) override { return checkExpression(_expression); } + virtual bool visit(Literal& _expression) override { return checkExpression(_expression); } + bool checkExpression(Expression& _expression) + { + if (m_expression == nullptr) + m_expression = &_expression; + return false; + } +private: + Expression* m_expression; +}; + +Declaration const& resolveDeclaration( + vector<string> const& _namespacedName, NameAndTypeResolver const& _resolver) +{ + Declaration const* declaration = nullptr; + // bracers are required, cause msvc couldnt handle this macro in for statement + for (string const& namePart: _namespacedName) + { + auto declarations = _resolver.resolveName(namePart, declaration); + BOOST_REQUIRE(!declarations.empty()); + BOOST_REQUIRE(declaration = *declarations.begin()); + } + BOOST_REQUIRE(declaration); + return *declaration; +} + +bytes compileFirstExpression(const string& _sourceCode, vector<vector<string>> _functions = {}, + vector<vector<string>> _localVariables = {}, + vector<shared_ptr<MagicVariableDeclaration const>> _globalDeclarations = {}) +{ + Parser parser; + ASTPointer<SourceUnit> sourceUnit; + try + { + sourceUnit = parser.parse(make_shared<Scanner>(CharStream(_sourceCode))); + } + catch(boost::exception const& _e) + { + auto msg = std::string("Parsing source code failed with: \n") + boost::diagnostic_information(_e); + BOOST_FAIL(msg); + } + + vector<Declaration const*> declarations; + declarations.reserve(_globalDeclarations.size() + 1); + for (ASTPointer<Declaration const> const& variable: _globalDeclarations) + declarations.push_back(variable.get()); + NameAndTypeResolver resolver(declarations); + resolver.registerDeclarations(*sourceUnit); + + vector<ContractDefinition const*> inheritanceHierarchy; + for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes()) + if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get())) + { + ETH_TEST_REQUIRE_NO_THROW(resolver.resolveNamesAndTypes(*contract), "Resolving names failed"); + inheritanceHierarchy = vector<ContractDefinition const*>(1, contract); + } + for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes()) + if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get())) + { + ETH_TEST_REQUIRE_NO_THROW(resolver.checkTypeRequirements(*contract), "Checking type Requirements failed"); + } + for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes()) + if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get())) + { + FirstExpressionExtractor extractor(*contract); + BOOST_REQUIRE(extractor.getExpression() != nullptr); + + CompilerContext context; + context.resetVisitedNodes(contract); + context.setInheritanceHierarchy(inheritanceHierarchy); + unsigned parametersSize = _localVariables.size(); // assume they are all one slot on the stack + context.adjustStackOffset(parametersSize); + for (vector<string> const& variable: _localVariables) + context.addVariable(dynamic_cast<VariableDeclaration const&>(resolveDeclaration(variable, resolver)), + parametersSize--); + + ExpressionCompiler(context).compile(*extractor.getExpression()); + + for (vector<string> const& function: _functions) + context << context.getFunctionEntryLabel(dynamic_cast<FunctionDefinition const&>(resolveDeclaration(function, resolver))); + bytes instructions = context.getAssembledBytecode(); + // debug + // cout << eth::disassemble(instructions) << endl; + return instructions; + } + BOOST_FAIL("No contract found in source."); + return bytes(); +} + +} // end anonymous namespace + +BOOST_AUTO_TEST_SUITE(SolidityExpressionCompiler) + +BOOST_AUTO_TEST_CASE(literal_true) +{ + char const* sourceCode = "contract test {\n" + " function f() { var x = true; }" + "}\n"; + bytes code = compileFirstExpression(sourceCode); + + bytes expectation({byte(eth::Instruction::PUSH1), 0x1}); + BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end()); +} + +BOOST_AUTO_TEST_CASE(literal_false) +{ + char const* sourceCode = "contract test {\n" + " function f() { var x = false; }" + "}\n"; + bytes code = compileFirstExpression(sourceCode); + + bytes expectation({byte(eth::Instruction::PUSH1), 0x0}); + BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end()); +} + +BOOST_AUTO_TEST_CASE(int_literal) +{ + char const* sourceCode = "contract test {\n" + " function f() { var x = 0x12345678901234567890; }" + "}\n"; + bytes code = compileFirstExpression(sourceCode); + + bytes expectation({byte(eth::Instruction::PUSH10), 0x12, 0x34, 0x56, 0x78, 0x90, + 0x12, 0x34, 0x56, 0x78, 0x90}); + BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end()); +} + +BOOST_AUTO_TEST_CASE(int_with_wei_ether_subdenomination) +{ + char const* sourceCode = R"( + contract test { + function test () + { + var x = 1 wei; + } + })"; + bytes code = compileFirstExpression(sourceCode); + + bytes expectation({byte(eth::Instruction::PUSH1), 0x1}); + BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end()); +} + +BOOST_AUTO_TEST_CASE(int_with_szabo_ether_subdenomination) +{ + char const* sourceCode = R"( + contract test { + function test () + { + var x = 1 szabo; + } + })"; + bytes code = compileFirstExpression(sourceCode); + + bytes expectation({byte(eth::Instruction::PUSH5), 0xe8, 0xd4, 0xa5, 0x10, 0x00}); + BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end()); +} + +BOOST_AUTO_TEST_CASE(int_with_finney_ether_subdenomination) +{ + char const* sourceCode = R"( + contract test { + function test () + { + var x = 1 finney; + } + })"; + bytes code = compileFirstExpression(sourceCode); + + bytes expectation({byte(eth::Instruction::PUSH7), 0x3, 0x8d, 0x7e, 0xa4, 0xc6, 0x80, 0x00}); + BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end()); +} + +BOOST_AUTO_TEST_CASE(int_with_ether_ether_subdenomination) +{ + char const* sourceCode = R"( + contract test { + function test () + { + var x = 1 ether; + } + })"; + bytes code = compileFirstExpression(sourceCode); + + bytes expectation({byte(eth::Instruction::PUSH8), 0xd, 0xe0, 0xb6, 0xb3, 0xa7, 0x64, 0x00, 0x00}); + BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end()); +} + +BOOST_AUTO_TEST_CASE(comparison) +{ + char const* sourceCode = "contract test {\n" + " function f() { var x = (0x10aa < 0x11aa) != true; }" + "}\n"; + bytes code = compileFirstExpression(sourceCode); + + bytes expectation({byte(eth::Instruction::PUSH1), 0x1, + byte(eth::Instruction::PUSH2), 0x11, 0xaa, + byte(eth::Instruction::PUSH2), 0x10, 0xaa, + byte(eth::Instruction::LT), + byte(eth::Instruction::EQ), + byte(eth::Instruction::ISZERO)}); + BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end()); +} + +BOOST_AUTO_TEST_CASE(short_circuiting) +{ + char const* sourceCode = "contract test {\n" + " function f() { var x = true != (4 <= 8 + 10 || 9 != 2); }" + "}\n"; + bytes code = compileFirstExpression(sourceCode); + + bytes expectation({byte(eth::Instruction::PUSH1), 0x12, // 8 + 10 + byte(eth::Instruction::PUSH1), 0x4, + byte(eth::Instruction::GT), + byte(eth::Instruction::ISZERO), // after this we have 4 <= 8 + 10 + byte(eth::Instruction::DUP1), + byte(eth::Instruction::PUSH1), 0x11, + byte(eth::Instruction::JUMPI), // short-circuit if it is true + byte(eth::Instruction::POP), + byte(eth::Instruction::PUSH1), 0x2, + byte(eth::Instruction::PUSH1), 0x9, + byte(eth::Instruction::EQ), + byte(eth::Instruction::ISZERO), // after this we have 9 != 2 + byte(eth::Instruction::JUMPDEST), + byte(eth::Instruction::PUSH1), 0x1, + byte(eth::Instruction::EQ), + byte(eth::Instruction::ISZERO)}); + BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end()); +} + +BOOST_AUTO_TEST_CASE(arithmetics) +{ + char const* sourceCode = "contract test {\n" + " function f(uint y) { var x = ((((((((y ^ 8) & 7) | 6) - 5) + 4) % 3) / 2) * 1); }" + "}\n"; + bytes code = compileFirstExpression(sourceCode, {}, {{"test", "f", "y"}, {"test", "f", "x"}}); + bytes expectation({byte(eth::Instruction::PUSH1), 0x1, + byte(eth::Instruction::PUSH1), 0x2, + byte(eth::Instruction::PUSH1), 0x3, + byte(eth::Instruction::PUSH1), 0x4, + byte(eth::Instruction::PUSH1), 0x5, + byte(eth::Instruction::PUSH1), 0x6, + byte(eth::Instruction::PUSH1), 0x7, + byte(eth::Instruction::PUSH1), 0x8, + byte(eth::Instruction::DUP10), + byte(eth::Instruction::XOR), + byte(eth::Instruction::AND), + byte(eth::Instruction::OR), + byte(eth::Instruction::SUB), + byte(eth::Instruction::ADD), + byte(eth::Instruction::MOD), + byte(eth::Instruction::DIV), + byte(eth::Instruction::MUL)}); + BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end()); +} + +BOOST_AUTO_TEST_CASE(unary_operators) +{ + char const* sourceCode = "contract test {\n" + " function f(int y) { var x = !(~+- y == 2); }" + "}\n"; + bytes code = compileFirstExpression(sourceCode, {}, {{"test", "f", "y"}, {"test", "f", "x"}}); + + bytes expectation({byte(eth::Instruction::PUSH1), 0x2, + byte(eth::Instruction::DUP3), + byte(eth::Instruction::PUSH1), 0x0, + byte(eth::Instruction::SUB), + byte(eth::Instruction::NOT), + byte(eth::Instruction::EQ), + byte(eth::Instruction::ISZERO)}); + BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end()); +} + +BOOST_AUTO_TEST_CASE(unary_inc_dec) +{ + char const* sourceCode = "contract test {\n" + " function f(uint a) { var x = --a ^ (a-- ^ (++a ^ a++)); }" + "}\n"; + bytes code = compileFirstExpression(sourceCode, {}, {{"test", "f", "a"}, {"test", "f", "x"}}); + + // Stack: a, x + bytes expectation({byte(eth::Instruction::DUP2), + byte(eth::Instruction::DUP1), + byte(eth::Instruction::PUSH1), 0x1, + byte(eth::Instruction::ADD), + // Stack here: a x a (a+1) + byte(eth::Instruction::SWAP3), + byte(eth::Instruction::POP), // first ++ + // Stack here: (a+1) x a + byte(eth::Instruction::DUP3), + byte(eth::Instruction::PUSH1), 0x1, + byte(eth::Instruction::ADD), + // Stack here: (a+1) x a (a+2) + byte(eth::Instruction::SWAP3), + byte(eth::Instruction::POP), + // Stack here: (a+2) x a + byte(eth::Instruction::DUP3), // second ++ + byte(eth::Instruction::XOR), + // Stack here: (a+2) x a^(a+2) + byte(eth::Instruction::DUP3), + byte(eth::Instruction::DUP1), + byte(eth::Instruction::PUSH1), 0x1, + byte(eth::Instruction::SWAP1), + byte(eth::Instruction::SUB), + // Stack here: (a+2) x a^(a+2) (a+2) (a+1) + byte(eth::Instruction::SWAP4), + byte(eth::Instruction::POP), // first -- + byte(eth::Instruction::XOR), + // Stack here: (a+1) x a^(a+2)^(a+2) + byte(eth::Instruction::DUP3), + byte(eth::Instruction::PUSH1), 0x1, + byte(eth::Instruction::SWAP1), + byte(eth::Instruction::SUB), + // Stack here: (a+1) x a^(a+2)^(a+2) a + byte(eth::Instruction::SWAP3), + byte(eth::Instruction::POP), // second ++ + // Stack here: a x a^(a+2)^(a+2) + byte(eth::Instruction::DUP3), // will change + byte(eth::Instruction::XOR)}); + // Stack here: a x a^(a+2)^(a+2)^a + BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end()); +} + +BOOST_AUTO_TEST_CASE(assignment) +{ + char const* sourceCode = "contract test {\n" + " function f(uint a, uint b) { (a += b) * 2; }" + "}\n"; + bytes code = compileFirstExpression(sourceCode, {}, {{"test", "f", "a"}, {"test", "f", "b"}}); + + // Stack: a, b + bytes expectation({byte(eth::Instruction::PUSH1), 0x2, + byte(eth::Instruction::DUP2), + byte(eth::Instruction::DUP4), + byte(eth::Instruction::ADD), + // Stack here: a b 2 a+b + byte(eth::Instruction::SWAP3), + byte(eth::Instruction::POP), + byte(eth::Instruction::DUP3), + // Stack here: a+b b 2 a+b + byte(eth::Instruction::MUL)}); + BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end()); +} + +BOOST_AUTO_TEST_CASE(function_call) +{ + char const* sourceCode = "contract test {\n" + " function f(uint a, uint b) { a += g(a + 1, b) * 2; }\n" + " function g(uint a, uint b) returns (uint c) {}\n" + "}\n"; + bytes code = compileFirstExpression(sourceCode, {{"test", "g"}}, + {{"test", "f", "a"}, {"test", "f", "b"}}); + + // Stack: a, b + bytes expectation({byte(eth::Instruction::PUSH1), 0x02, + byte(eth::Instruction::PUSH1), 0x0c, + byte(eth::Instruction::PUSH1), 0x01, + byte(eth::Instruction::DUP5), + byte(eth::Instruction::ADD), + // Stack here: a b 2 <ret label> (a+1) + byte(eth::Instruction::DUP4), + byte(eth::Instruction::PUSH1), 0x13, + byte(eth::Instruction::JUMP), + byte(eth::Instruction::JUMPDEST), + // Stack here: a b 2 g(a+1, b) + byte(eth::Instruction::MUL), + // Stack here: a b g(a+1, b)*2 + byte(eth::Instruction::DUP3), + byte(eth::Instruction::ADD), + // Stack here: a b a+g(a+1, b)*2 + byte(eth::Instruction::SWAP2), + byte(eth::Instruction::POP), + byte(eth::Instruction::DUP2), + byte(eth::Instruction::JUMPDEST)}); + BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end()); +} + +BOOST_AUTO_TEST_CASE(negative_literals_8bits) +{ + char const* sourceCode = "contract test {\n" + " function f() { int8 x = -0x80; }\n" + "}\n"; + bytes code = compileFirstExpression(sourceCode); + + bytes expectation(bytes({byte(eth::Instruction::PUSH32)}) + bytes(31, 0xff) + bytes(1, 0x80)); + BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end()); +} + +BOOST_AUTO_TEST_CASE(negative_literals_16bits) +{ + char const* sourceCode = "contract test {\n" + " function f() { int64 x = ~0xabc; }\n" + "}\n"; + bytes code = compileFirstExpression(sourceCode); + + bytes expectation(bytes({byte(eth::Instruction::PUSH32)}) + bytes(30, 0xff) + bytes{0xf5, 0x43}); + BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end()); +} + +BOOST_AUTO_TEST_CASE(intermediately_overflowing_literals) +{ + // first literal itself is too large for 256 bits but it fits after all constant operations + // have been applied + char const* sourceCode = "contract test {\n" + " function f() { var x = (0xffffffffffffffffffffffffffffffffffffffff * 0xffffffffffffffffffffffffff01) & 0xbf; }\n" + "}\n"; + bytes code = compileFirstExpression(sourceCode); + + bytes expectation(bytes({byte(eth::Instruction::PUSH1), 0xbf})); + BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end()); +} + +BOOST_AUTO_TEST_CASE(blockhash) +{ + char const* sourceCode = "contract test {\n" + " function f() {\n" + " block.blockhash(3);\n" + " }\n" + "}\n"; + bytes code = compileFirstExpression(sourceCode, {}, {}, + {make_shared<MagicVariableDeclaration>("block", make_shared<MagicType>(MagicType::Kind::Block))}); + + bytes expectation({byte(eth::Instruction::PUSH1), 0x03, + byte(eth::Instruction::BLOCKHASH)}); + BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end()); +} + +BOOST_AUTO_TEST_SUITE_END() + +} +} +} // end namespaces diff --git a/test/libsolidity/SolidityInterface.cpp b/test/libsolidity/SolidityInterface.cpp new file mode 100644 index 00000000..9c9373f0 --- /dev/null +++ b/test/libsolidity/SolidityInterface.cpp @@ -0,0 +1,149 @@ +/* + 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/>. + */ +/** + * @author Christian <c@ethdev.com> + * @date 2015 + * Unit tests for generating source interfaces for Solidity contracts. + */ + +#include "../TestHelper.h" +#include <libsolidity/CompilerStack.h> +#include <libsolidity/AST.h> + +using namespace std; + +namespace dev +{ +namespace solidity +{ +namespace test +{ + +class SolidityInterfaceChecker +{ +public: + SolidityInterfaceChecker(): m_compilerStack(false) {} + + /// Compiles the given code, generates the interface and parses that again. + ContractDefinition const& checkInterface(string const& _code, string const& _contractName = "") + { + m_code = _code; + ETH_TEST_REQUIRE_NO_THROW(m_compilerStack.parse(_code), "Parsing failed"); + m_interface = m_compilerStack.getMetadata("", DocumentationType::ABISolidityInterface); + ETH_TEST_REQUIRE_NO_THROW(m_reCompiler.parse(m_interface), "Interface parsing failed"); + return m_reCompiler.getContractDefinition(_contractName); + } + + string getSourcePart(ASTNode const& _node) const + { + SourceLocation location = _node.getLocation(); + BOOST_REQUIRE(!location.isEmpty()); + return m_interface.substr(location.start, location.end - location.start); + } + +protected: + string m_code; + string m_interface; + CompilerStack m_compilerStack; + CompilerStack m_reCompiler; +}; + +BOOST_FIXTURE_TEST_SUITE(SolidityInterface, SolidityInterfaceChecker) + +BOOST_AUTO_TEST_CASE(empty_contract) +{ + ContractDefinition const& contract = checkInterface("contract test {}"); + BOOST_CHECK_EQUAL(getSourcePart(contract), "contract test{}"); +} + +BOOST_AUTO_TEST_CASE(single_function) +{ + ContractDefinition const& contract = checkInterface( + "contract test {\n" + " function f(uint a) returns(uint d) { return a * 7; }\n" + "}\n"); + BOOST_REQUIRE_EQUAL(1, contract.getDefinedFunctions().size()); + BOOST_CHECK_EQUAL(getSourcePart(*contract.getDefinedFunctions().front()), + "function f(uint256 a)returns(uint256 d);"); +} + +BOOST_AUTO_TEST_CASE(single_constant_function) +{ + ContractDefinition const& contract = checkInterface( + "contract test { function f(uint a) constant returns(bytes1 x) { 1==2; } }"); + BOOST_REQUIRE_EQUAL(1, contract.getDefinedFunctions().size()); + BOOST_CHECK_EQUAL(getSourcePart(*contract.getDefinedFunctions().front()), + "function f(uint256 a)constant returns(bytes1 x);"); +} + +BOOST_AUTO_TEST_CASE(multiple_functions) +{ + char const* sourceCode = "contract test {\n" + " function f(uint a) returns(uint d) { return a * 7; }\n" + " function g(uint b) returns(uint e) { return b * 8; }\n" + "}\n"; + ContractDefinition const& contract = checkInterface(sourceCode); + set<string> expectation({"function f(uint256 a)returns(uint256 d);", + "function g(uint256 b)returns(uint256 e);"}); + BOOST_REQUIRE_EQUAL(2, contract.getDefinedFunctions().size()); + BOOST_CHECK(expectation == set<string>({getSourcePart(*contract.getDefinedFunctions().at(0)), + getSourcePart(*contract.getDefinedFunctions().at(1))})); +} + +BOOST_AUTO_TEST_CASE(exclude_fallback_function) +{ + char const* sourceCode = "contract test { function() {} }"; + ContractDefinition const& contract = checkInterface(sourceCode); + BOOST_CHECK_EQUAL(getSourcePart(contract), "contract test{}"); +} + +BOOST_AUTO_TEST_CASE(events) +{ + char const* sourceCode = "contract test {\n" + " function f(uint a) returns(uint d) { return a * 7; }\n" + " event e1(uint b, address indexed c); \n" + " event e2(); \n" + "}\n"; + ContractDefinition const& contract = checkInterface(sourceCode); + // events should not appear in the Solidity Interface + BOOST_REQUIRE_EQUAL(0, contract.getEvents().size()); +} + +BOOST_AUTO_TEST_CASE(inheritance) +{ + char const* sourceCode = + " contract Base { \n" + " function baseFunction(uint p) returns (uint i) { return p; } \n" + " event baseEvent(bytes32 indexed evtArgBase); \n" + " } \n" + " contract Derived is Base { \n" + " function derivedFunction(bytes32 p) returns (bytes32 i) { return p; } \n" + " event derivedEvent(uint indexed evtArgDerived); \n" + " }"; + ContractDefinition const& contract = checkInterface(sourceCode); + set<string> expectedFunctions({"function baseFunction(uint256 p)returns(uint256 i);", + "function derivedFunction(bytes32 p)returns(bytes32 i);"}); + BOOST_REQUIRE_EQUAL(2, contract.getDefinedFunctions().size()); + BOOST_CHECK(expectedFunctions == set<string>({getSourcePart(*contract.getDefinedFunctions().at(0)), + getSourcePart(*contract.getDefinedFunctions().at(1))})); +} + +BOOST_AUTO_TEST_SUITE_END() + +} +} +} diff --git a/test/libsolidity/SolidityNameAndTypeResolution.cpp b/test/libsolidity/SolidityNameAndTypeResolution.cpp new file mode 100644 index 00000000..3daabc85 --- /dev/null +++ b/test/libsolidity/SolidityNameAndTypeResolution.cpp @@ -0,0 +1,2201 @@ +/* + 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/>. +*/ +/** + * @author Christian <c@ethdev.com> + * @date 2014 + * Unit tests for the name and type resolution of the solidity parser. + */ + +#include <string> + +#include <libdevcore/Log.h> +#include <libdevcore/SHA3.h> +#include <libsolidity/Scanner.h> +#include <libsolidity/Parser.h> +#include <libsolidity/NameAndTypeResolver.h> +#include <libsolidity/Exceptions.h> +#include <libsolidity/GlobalContext.h> +#include "../TestHelper.h" + +using namespace std; + +namespace dev +{ +namespace solidity +{ +namespace test +{ + +namespace +{ + +ASTPointer<SourceUnit> parseTextAndResolveNames(std::string const& _source) +{ + Parser parser; + ASTPointer<SourceUnit> sourceUnit = parser.parse(std::make_shared<Scanner>(CharStream(_source))); + NameAndTypeResolver resolver({}); + resolver.registerDeclarations(*sourceUnit); + std::shared_ptr<GlobalContext> globalContext = make_shared<GlobalContext>(); + + for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes()) + if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get())) + { + globalContext->setCurrentContract(*contract); + resolver.updateDeclaration(*globalContext->getCurrentThis()); + resolver.updateDeclaration(*globalContext->getCurrentSuper()); + resolver.resolveNamesAndTypes(*contract); + } + for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes()) + if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get())) + { + globalContext->setCurrentContract(*contract); + resolver.updateDeclaration(*globalContext->getCurrentThis()); + resolver.checkTypeRequirements(*contract); + } + + return sourceUnit; +} + + +static ContractDefinition const* retrieveContract(ASTPointer<SourceUnit> _source, unsigned index) +{ + ContractDefinition* contract; + unsigned counter = 0; + for (ASTPointer<ASTNode> const& node: _source->getNodes()) + if ((contract = dynamic_cast<ContractDefinition*>(node.get())) && counter == index) + return contract; + + return NULL; +} + +static FunctionTypePointer const& retrieveFunctionBySignature(ContractDefinition const* _contract, + std::string const& _signature) +{ + FixedHash<4> hash(dev::sha3(_signature)); + return _contract->getInterfaceFunctions()[hash]; +} + +} + +BOOST_AUTO_TEST_SUITE(SolidityNameAndTypeResolution) + +BOOST_AUTO_TEST_CASE(smoke_test) +{ + char const* text = "contract test {\n" + " uint256 stateVariable1;\n" + " function fun(uint256 arg1) { uint256 y; }" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(double_stateVariable_declaration) +{ + char const* text = "contract test {\n" + " uint256 variable;\n" + " uint128 variable;\n" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError); +} + +BOOST_AUTO_TEST_CASE(double_function_declaration) +{ + char const* text = "contract test {\n" + " function fun() { var x; }\n" + " function fun() { var x; }\n" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError); +} + +BOOST_AUTO_TEST_CASE(double_variable_declaration) +{ + char const* text = "contract test {\n" + " function f() { uint256 x; if (true) { uint256 x; } }\n" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError); +} + +BOOST_AUTO_TEST_CASE(name_shadowing) +{ + char const* text = "contract test {\n" + " uint256 variable;\n" + " function f() { uint32 variable ; }" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(name_references) +{ + char const* text = "contract test {\n" + " uint256 variable;\n" + " function f(uint256 arg) returns (uint out) { f(variable); test; out; }" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(undeclared_name) +{ + char const* text = "contract test {\n" + " uint256 variable;\n" + " function f(uint256 arg) { f(notfound); }" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError); +} + +BOOST_AUTO_TEST_CASE(reference_to_later_declaration) +{ + char const* text = "contract test {\n" + " function g() { f(); }" + " function f() { }" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(struct_definition_directly_recursive) +{ + char const* text = "contract test {\n" + " struct MyStructName {\n" + " address addr;\n" + " MyStructName x;\n" + " }\n" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), ParserError); +} + +BOOST_AUTO_TEST_CASE(struct_definition_indirectly_recursive) +{ + char const* text = "contract test {\n" + " struct MyStructName1 {\n" + " address addr;\n" + " uint256 count;\n" + " MyStructName2 x;\n" + " }\n" + " struct MyStructName2 {\n" + " MyStructName1 x;\n" + " }\n" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), ParserError); +} + +BOOST_AUTO_TEST_CASE(struct_definition_not_really_recursive) +{ + char const* text = R"( + contract test { + struct s1 { uint a; } + struct s2 { s1 x; s1 y; } + } + )"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text)); +} + +BOOST_AUTO_TEST_CASE(struct_definition_recursion_via_mapping) +{ + char const* text = "contract test {\n" + " struct MyStructName1 {\n" + " address addr;\n" + " uint256 count;\n" + " mapping(uint => MyStructName1) x;\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(type_inference_smoke_test) +{ + char const* text = "contract test {\n" + " function f(uint256 arg1, uint32 arg2) returns (bool ret) { var x = arg1 + arg2 == 8; ret = x; }" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(type_checking_return) +{ + char const* text = "contract test {\n" + " function f() returns (bool r) { return 1 >= 2; }" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(type_checking_return_wrong_number) +{ + char const* text = "contract test {\n" + " function f() returns (bool r1, bool r2) { return 1 >= 2; }" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(type_checking_return_wrong_type) +{ + char const* text = "contract test {\n" + " function f() returns (uint256 r) { return 1 >= 2; }" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(type_checking_function_call) +{ + char const* text = "contract test {\n" + " function f() returns (bool r) { return g(12, true) == 3; }\n" + " function g(uint256 a, bool b) returns (uint256 r) { }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(type_conversion_for_comparison) +{ + char const* text = "contract test {\n" + " function f() { uint32(2) == int64(2); }" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(type_conversion_for_comparison_invalid) +{ + char const* text = "contract test {\n" + " function f() { int32(2) == uint64(2); }" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(type_inference_explicit_conversion) +{ + char const* text = "contract test {\n" + " function f() returns (int256 r) { var x = int256(uint32(2)); return x; }" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(large_string_literal) +{ + char const* text = "contract test {\n" + " function f() { var x = \"123456789012345678901234567890123\"; }" + "}\n"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text)); +} + +BOOST_AUTO_TEST_CASE(balance) +{ + char const* text = "contract test {\n" + " function fun() {\n" + " uint256 x = address(0).balance;\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(balance_invalid) +{ + char const* text = "contract test {\n" + " function fun() {\n" + " address(0).balance = 7;\n" + " }\n" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(assignment_to_mapping) +{ + char const* text = "contract test {\n" + " struct str {\n" + " mapping(uint=>uint) map;\n" + " }\n" + " str data;" + " function fun() {\n" + " var a = data.map;\n" + " data.map = a;\n" + " }\n" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(assignment_to_struct) +{ + char const* text = "contract test {\n" + " struct str {\n" + " mapping(uint=>uint) map;\n" + " }\n" + " str data;" + " function fun() {\n" + " var a = data;\n" + " data = a;\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(returns_in_constructor) +{ + char const* text = "contract test {\n" + " function test() returns (uint a) {\n" + " }\n" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(forward_function_reference) +{ + char const* text = "contract First {\n" + " function fun() returns (bool ret) {\n" + " return Second(1).fun(1, true, 3) > 0;\n" + " }\n" + "}\n" + "contract Second {\n" + " function fun(uint a, bool b, uint c) returns (uint ret) {\n" + " if (First(2).fun() == true) return 1;\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(comparison_bitop_precedence) +{ + char const* text = "contract First {\n" + " function fun() returns (bool ret) {\n" + " return 1 & 2 == 8 & 9 && 1 ^ 2 < 4 | 6;\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(function_no_implementation) +{ + ASTPointer<SourceUnit> sourceUnit; + char const* text = "contract test {\n" + " function functionName(bytes32 input) returns (bytes32 out);\n" + "}\n"; + ETH_TEST_REQUIRE_NO_THROW(sourceUnit = parseTextAndResolveNames(text), "Parsing and name Resolving failed"); + std::vector<ASTPointer<ASTNode>> nodes = sourceUnit->getNodes(); + ContractDefinition* contract = dynamic_cast<ContractDefinition*>(nodes[0].get()); + BOOST_CHECK(contract); + BOOST_CHECK(!contract->isFullyImplemented()); + BOOST_CHECK(!contract->getDefinedFunctions()[0]->isFullyImplemented()); +} + +BOOST_AUTO_TEST_CASE(abstract_contract) +{ + ASTPointer<SourceUnit> sourceUnit; + char const* text = R"( + contract base { function foo(); } + contract derived is base { function foo() {} } + )"; + ETH_TEST_REQUIRE_NO_THROW(sourceUnit = parseTextAndResolveNames(text), "Parsing and name Resolving failed"); + std::vector<ASTPointer<ASTNode>> nodes = sourceUnit->getNodes(); + ContractDefinition* base = dynamic_cast<ContractDefinition*>(nodes[0].get()); + ContractDefinition* derived = dynamic_cast<ContractDefinition*>(nodes[1].get()); + BOOST_CHECK(base); + BOOST_CHECK(!base->isFullyImplemented()); + BOOST_CHECK(!base->getDefinedFunctions()[0]->isFullyImplemented()); + BOOST_CHECK(derived); + BOOST_CHECK(derived->isFullyImplemented()); + BOOST_CHECK(derived->getDefinedFunctions()[0]->isFullyImplemented()); +} + +BOOST_AUTO_TEST_CASE(abstract_contract_with_overload) +{ + ASTPointer<SourceUnit> sourceUnit; + char const* text = R"( + contract base { function foo(bool); } + contract derived is base { function foo(uint) {} } + )"; + ETH_TEST_REQUIRE_NO_THROW(sourceUnit = parseTextAndResolveNames(text), "Parsing and name Resolving failed"); + std::vector<ASTPointer<ASTNode>> nodes = sourceUnit->getNodes(); + ContractDefinition* base = dynamic_cast<ContractDefinition*>(nodes[0].get()); + ContractDefinition* derived = dynamic_cast<ContractDefinition*>(nodes[1].get()); + BOOST_REQUIRE(base); + BOOST_CHECK(!base->isFullyImplemented()); + BOOST_REQUIRE(derived); + BOOST_CHECK(!derived->isFullyImplemented()); +} + +BOOST_AUTO_TEST_CASE(create_abstract_contract) +{ + ASTPointer<SourceUnit> sourceUnit; + char const* text = R"( + contract base { function foo(); } + contract derived { + base b; + function foo() { b = new base();} + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(abstract_contract_constructor_args_optional) +{ + ASTPointer<SourceUnit> sourceUnit; + char const* text = R"( + contract BaseBase { function BaseBase(uint j); } + contract base is BaseBase { function foo(); } + contract derived is base { + function derived(uint i) BaseBase(i){} + function foo() {} + } + )"; + ETH_TEST_REQUIRE_NO_THROW(parseTextAndResolveNames(text), "Parsing and name resolving failed"); +} + +BOOST_AUTO_TEST_CASE(abstract_contract_constructor_args_not_provided) +{ + ASTPointer<SourceUnit> sourceUnit; + char const* text = R"( + contract BaseBase { function BaseBase(uint j); } + contract base is BaseBase { function foo(); } + contract derived is base { + function derived(uint i) {} + function foo() {} + } + )"; + ETH_TEST_REQUIRE_NO_THROW(sourceUnit = parseTextAndResolveNames(text), "Parsing and name resolving failed"); + std::vector<ASTPointer<ASTNode>> nodes = sourceUnit->getNodes(); + BOOST_CHECK_EQUAL(nodes.size(), 3); + ContractDefinition* derived = dynamic_cast<ContractDefinition*>(nodes[2].get()); + BOOST_CHECK(derived); + BOOST_CHECK(!derived->isFullyImplemented()); +} + +BOOST_AUTO_TEST_CASE(redeclare_implemented_abstract_function_as_abstract) +{ + ASTPointer<SourceUnit> sourceUnit; + char const* text = R"( + contract base { function foo(); } + contract derived is base { function foo() {} } + contract wrong is derived { function foo(); } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(function_canonical_signature) +{ + ASTPointer<SourceUnit> sourceUnit; + char const* text = "contract Test {\n" + " function foo(uint256 arg1, uint64 arg2, bool arg3) returns (uint256 ret) {\n" + " ret = arg1 + arg2;\n" + " }\n" + "}\n"; + ETH_TEST_REQUIRE_NO_THROW(sourceUnit = parseTextAndResolveNames(text), "Parsing and name Resolving failed"); + for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes()) + if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get())) + { + auto functions = contract->getDefinedFunctions(); + BOOST_CHECK_EQUAL("foo(uint256,uint64,bool)", functions[0]->externalSignature()); + } +} + +BOOST_AUTO_TEST_CASE(function_canonical_signature_type_aliases) +{ + ASTPointer<SourceUnit> sourceUnit; + char const* text = "contract Test {\n" + " function boo(uint arg1, bytes32 arg2, address arg3) returns (uint ret) {\n" + " ret = 5;\n" + " }\n" + "}\n"; + ETH_TEST_REQUIRE_NO_THROW(sourceUnit = parseTextAndResolveNames(text), "Parsing and name Resolving failed"); + for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes()) + if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get())) + { + auto functions = contract->getDefinedFunctions(); + if (functions.empty()) + continue; + BOOST_CHECK_EQUAL("boo(uint256,bytes32,address)", functions[0]->externalSignature()); + } +} + +BOOST_AUTO_TEST_CASE(function_external_types) +{ + ASTPointer<SourceUnit> sourceUnit; + char const* text = R"( + contract C { + uint a; + } + contract Test { + function boo(uint arg2, bool arg3, bytes8 arg4, bool[2] pairs, uint[] dynamic, C carg, address[] addresses) external returns (uint ret) { + ret = 5; + } + })"; + ETH_TEST_REQUIRE_NO_THROW(sourceUnit = parseTextAndResolveNames(text), "Parsing and name Resolving failed"); + for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes()) + if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get())) + { + auto functions = contract->getDefinedFunctions(); + if (functions.empty()) + continue; + BOOST_CHECK_EQUAL("boo(uint256,bool,bytes8,bool[2],uint256[],address,address[])", functions[0]->externalSignature()); + } +} + +BOOST_AUTO_TEST_CASE(enum_external_type) +{ + // bug #1801 + ASTPointer<SourceUnit> sourceUnit; + char const* text = R"( + contract Test { + enum ActionChoices { GoLeft, GoRight, GoStraight, Sit } + function boo(ActionChoices enumArg) external returns (uint ret) { + ret = 5; + } + })"; + ETH_TEST_REQUIRE_NO_THROW(sourceUnit = parseTextAndResolveNames(text), "Parsing and name Resolving failed"); + for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes()) + if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get())) + { + auto functions = contract->getDefinedFunctions(); + if (functions.empty()) + continue; + BOOST_CHECK_EQUAL("boo(uint8)", functions[0]->externalSignature()); + } +} + +BOOST_AUTO_TEST_CASE(function_external_call_allowed_conversion) +{ + char const* text = R"( + contract C {} + contract Test { + function externalCall() { + C arg; + this.g(arg); + } + function g (C c) external {} + })"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text)); +} + +BOOST_AUTO_TEST_CASE(function_external_call_not_allowed_conversion) +{ + char const* text = R"( + contract C {} + contract Test { + function externalCall() { + address arg; + this.g(arg); + } + function g (C c) external {} + })"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(function_internal_allowed_conversion) +{ + char const* text = R"( + contract C { + uint a; + } + contract Test { + C a; + function g (C c) {} + function internalCall() { + g(a); + } + })"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text)); +} + +BOOST_AUTO_TEST_CASE(function_internal_not_allowed_conversion) +{ + char const* text = R"( + contract C { + uint a; + } + contract Test { + address a; + function g (C c) {} + function internalCall() { + g(a); + } + })"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(hash_collision_in_interface) +{ + char const* text = "contract test {\n" + " function gsf() {\n" + " }\n" + " function tgeo() {\n" + " }\n" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(inheritance_basic) +{ + char const* text = R"( + contract base { uint baseMember; struct BaseType { uint element; } } + contract derived is base { + BaseType data; + function f() { baseMember = 7; } + } + )"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(inheritance_diamond_basic) +{ + char const* text = R"( + contract root { function rootFunction() {} } + contract inter1 is root { function f() {} } + contract inter2 is root { function f() {} } + contract derived is root, inter2, inter1 { + function g() { f(); rootFunction(); } + } + )"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(cyclic_inheritance) +{ + char const* text = R"( + contract A is B { } + contract B is A { } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(legal_override_direct) +{ + char const* text = R"( + contract B { function f() {} } + contract C is B { function f(uint i) {} } + )"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text)); +} + +BOOST_AUTO_TEST_CASE(legal_override_indirect) +{ + char const* text = R"( + contract A { function f(uint a) {} } + contract B { function f() {} } + contract C is A, B { } + )"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text)); +} + +BOOST_AUTO_TEST_CASE(illegal_override_visibility) +{ + char const* text = R"( + contract B { function f() internal {} } + contract C is B { function f() public {} } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(illegal_override_constness) +{ + char const* text = R"( + contract B { function f() constant {} } + contract C is B { function f() {} } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(complex_inheritance) +{ + char const* text = R"( + contract A { function f() { uint8 x = C(0).g(); } } + contract B { function f() {} function g() returns (uint8 r) {} } + contract C is A, B { } + )"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(constructor_visibility) +{ + // The constructor of a base class should not be visible in the derived class + char const* text = R"( + contract A { function A() { } } + contract B is A { function f() { A x = A(0); } } + )"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(overriding_constructor) +{ + // It is fine to "override" constructor of a base class since it is invisible + char const* text = R"( + contract A { function A() { } } + contract B is A { function A() returns (uint8 r) {} } + )"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(missing_base_constructor_arguments) +{ + char const* text = R"( + contract A { function A(uint a) { } } + contract B is A { } + )"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(base_constructor_arguments_override) +{ + char const* text = R"( + contract A { function A(uint a) { } } + contract B is A { } + )"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(implicit_derived_to_base_conversion) +{ + char const* text = R"( + contract A { } + contract B is A { + function f() { A a = B(1); } + } + )"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(implicit_base_to_derived_conversion) +{ + char const* text = R"( + contract A { } + contract B is A { + function f() { B b = A(1); } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(function_modifier_invocation) +{ + char const* text = R"( + contract B { + function f() mod1(2, true) mod2("0123456") { } + modifier mod1(uint a, bool b) { if (b) _ } + modifier mod2(bytes7 a) { while (a == "1234567") _ } + } + )"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(invalid_function_modifier_type) +{ + char const* text = R"( + contract B { + function f() mod1(true) { } + modifier mod1(uint a) { if (a > 0) _ } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(function_modifier_invocation_parameters) +{ + char const* text = R"( + contract B { + function f(uint8 a) mod1(a, true) mod2(r) returns (bytes7 r) { } + modifier mod1(uint a, bool b) { if (b) _ } + modifier mod2(bytes7 a) { while (a == "1234567") _ } + } + )"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(function_modifier_invocation_local_variables) +{ + char const* text = R"( + contract B { + function f() mod(x) { uint x = 7; } + modifier mod(uint a) { if (a > 0) _ } + } + )"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(legal_modifier_override) +{ + char const* text = R"( + contract A { modifier mod(uint a) {} } + contract B is A { modifier mod(uint a) {} } + )"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(illegal_modifier_override) +{ + char const* text = R"( + contract A { modifier mod(uint a) {} } + contract B is A { modifier mod(uint8 a) {} } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(modifier_overrides_function) +{ + char const* text = R"( + contract A { modifier mod(uint a) {} } + contract B is A { function mod(uint a) {} } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(function_overrides_modifier) +{ + char const* text = R"( + contract A { function mod(uint a) {} } + contract B is A { modifier mod(uint a) {} } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(modifier_returns_value) +{ + char const* text = R"( + contract A { + function f(uint a) mod(2) returns (uint r) {} + modifier mod(uint a) { return 7; } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(state_variable_accessors) +{ + char const* text = "contract test {\n" + " function fun() {\n" + " uint64(2);\n" + " }\n" + "uint256 public foo;\n" + "mapping(uint=>bytes4) public map;\n" + "mapping(uint=>mapping(uint=>bytes4)) public multiple_map;\n" + "}\n"; + + ASTPointer<SourceUnit> source; + ContractDefinition const* contract; + ETH_TEST_CHECK_NO_THROW(source = parseTextAndResolveNames(text), "Parsing and Resolving names failed"); + BOOST_REQUIRE((contract = retrieveContract(source, 0)) != nullptr); + FunctionTypePointer function = retrieveFunctionBySignature(contract, "foo()"); + BOOST_REQUIRE(function && function->hasDeclaration()); + auto returnParams = function->getReturnParameterTypeNames(); + BOOST_CHECK_EQUAL(returnParams.at(0), "uint256"); + BOOST_CHECK(function->isConstant()); + + function = retrieveFunctionBySignature(contract, "map(uint256)"); + BOOST_REQUIRE(function && function->hasDeclaration()); + auto params = function->getParameterTypeNames(); + BOOST_CHECK_EQUAL(params.at(0), "uint256"); + returnParams = function->getReturnParameterTypeNames(); + BOOST_CHECK_EQUAL(returnParams.at(0), "bytes4"); + BOOST_CHECK(function->isConstant()); + + function = retrieveFunctionBySignature(contract, "multiple_map(uint256,uint256)"); + BOOST_REQUIRE(function && function->hasDeclaration()); + params = function->getParameterTypeNames(); + BOOST_CHECK_EQUAL(params.at(0), "uint256"); + BOOST_CHECK_EQUAL(params.at(1), "uint256"); + returnParams = function->getReturnParameterTypeNames(); + BOOST_CHECK_EQUAL(returnParams.at(0), "bytes4"); + BOOST_CHECK(function->isConstant()); +} + +BOOST_AUTO_TEST_CASE(function_clash_with_state_variable_accessor) +{ + char const* text = "contract test {\n" + " function fun() {\n" + " uint64(2);\n" + " }\n" + "uint256 foo;\n" + " function foo() {}\n" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError); +} + +BOOST_AUTO_TEST_CASE(private_state_variable) +{ + char const* text = "contract test {\n" + " function fun() {\n" + " uint64(2);\n" + " }\n" + "uint256 private foo;\n" + "uint256 internal bar;\n" + "}\n"; + + ASTPointer<SourceUnit> source; + ContractDefinition const* contract; + ETH_TEST_CHECK_NO_THROW(source = parseTextAndResolveNames(text), "Parsing and Resolving names failed"); + BOOST_CHECK((contract = retrieveContract(source, 0)) != nullptr); + FunctionTypePointer function; + function = retrieveFunctionBySignature(contract, "foo()"); + BOOST_CHECK_MESSAGE(function == nullptr, "Accessor function of a private variable should not exist"); + function = retrieveFunctionBySignature(contract, "bar()"); + BOOST_CHECK_MESSAGE(function == nullptr, "Accessor function of an internal variable should not exist"); +} + +BOOST_AUTO_TEST_CASE(base_class_state_variable_accessor) +{ + // test for issue #1126 https://github.com/ethereum/cpp-ethereum/issues/1126 + char const* text = "contract Parent {\n" + " uint256 public m_aMember;\n" + "}\n" + "contract Child is Parent{\n" + " function foo() returns (uint256) { return Parent.m_aMember; }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(base_class_state_variable_internal_member) +{ + char const* text = "contract Parent {\n" + " uint256 internal m_aMember;\n" + "}\n" + "contract Child is Parent{\n" + " function foo() returns (uint256) { return Parent.m_aMember; }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(state_variable_member_of_wrong_class1) +{ + char const* text = "contract Parent1 {\n" + " uint256 internal m_aMember1;\n" + "}\n" + "contract Parent2 is Parent1{\n" + " uint256 internal m_aMember2;\n" + "}\n" + "contract Child is Parent2{\n" + " function foo() returns (uint256) { return Parent2.m_aMember1; }\n" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(state_variable_member_of_wrong_class2) +{ + char const* text = "contract Parent1 {\n" + " uint256 internal m_aMember1;\n" + "}\n" + "contract Parent2 is Parent1{\n" + " uint256 internal m_aMember2;\n" + "}\n" + "contract Child is Parent2{\n" + " function foo() returns (uint256) { return Child.m_aMember2; }\n" + " uint256 public m_aMember3;\n" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(fallback_function) +{ + char const* text = R"( + contract C { + uint x; + function() { x = 2; } + } + )"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(fallback_function_with_arguments) +{ + char const* text = R"( + contract C { + uint x; + function(uint a) { x = 2; } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(fallback_function_twice) +{ + char const* text = R"( + contract C { + uint x; + function() { x = 2; } + function() { x = 3; } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError); +} + +BOOST_AUTO_TEST_CASE(fallback_function_inheritance) +{ + char const* text = R"( + contract A { + uint x; + function() { x = 1; } + } + contract C is A { + function() { x = 2; } + } + )"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(event) +{ + char const* text = R"( + contract c { + event e(uint indexed a, bytes3 indexed s, bool indexed b); + function f() { e(2, "abc", true); } + })"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(event_too_many_indexed) +{ + char const* text = R"( + contract c { + event e(uint indexed a, bytes3 indexed b, bool indexed c, uint indexed d); + function f() { e(2, "abc", true); } + })"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(event_call) +{ + char const* text = R"( + contract c { + event e(uint a, bytes3 indexed s, bool indexed b); + function f() { e(2, "abc", true); } + })"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(event_inheritance) +{ + char const* text = R"( + contract base { + event e(uint a, bytes3 indexed s, bool indexed b); + } + contract c is base { + function f() { e(2, "abc", true); } + })"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(multiple_events_argument_clash) +{ + char const* text = R"( + contract c { + event e1(uint a, uint e1, uint e2); + event e2(uint a, uint e1, uint e2); + })"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(access_to_default_function_visibility) +{ + char const* text = R"( + contract c { + function f() {} + } + contract d { + function g() { c(0).f(); } + })"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(access_to_internal_function) +{ + char const* text = R"( + contract c { + function f() internal {} + } + contract d { + function g() { c(0).f(); } + })"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(access_to_default_state_variable_visibility) +{ + char const* text = R"( + contract c { + uint a; + } + contract d { + function g() { c(0).a(); } + })"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(access_to_internal_state_variable) +{ + char const* text = R"( + contract c { + uint public a; + } + contract d { + function g() { c(0).a(); } + })"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(error_count_in_named_args) +{ + char const* sourceCode = "contract test {\n" + " function a(uint a, uint b) returns (uint r) { r = a + b; }\n" + " function b() returns (uint r) { r = a({a: 1}); }\n" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(empty_in_named_args) +{ + char const* sourceCode = "contract test {\n" + " function a(uint a, uint b) returns (uint r) { r = a + b; }\n" + " function b() returns (uint r) { r = a({}); }\n" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(duplicate_parameter_names_in_named_args) +{ + char const* sourceCode = "contract test {\n" + " function a(uint a, uint b) returns (uint r) { r = a + b; }\n" + " function b() returns (uint r) { r = a({a: 1, a: 2}); }\n" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(invalid_parameter_names_in_named_args) +{ + char const* sourceCode = "contract test {\n" + " function a(uint a, uint b) returns (uint r) { r = a + b; }\n" + " function b() returns (uint r) { r = a({a: 1, c: 2}); }\n" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(empty_name_input_parameter) +{ + char const* text = R"( + contract test { + function f(uint){ + } + })"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(empty_name_return_parameter) +{ + char const* text = R"( + contract test { + function f() returns(bool){ + } + })"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(empty_name_input_parameter_with_named_one) +{ + char const* text = R"( + contract test { + function f(uint, uint k) returns(uint ret_k){ + return k; + } + })"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(empty_name_return_parameter_with_named_one) +{ + char const* text = R"( + contract test { + function f() returns(uint ret_k, uint){ + return 5; + } + })"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(disallow_declaration_of_void_type) +{ + char const* sourceCode = "contract c { function f() { var x = f(); } }"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(overflow_caused_by_ether_units) +{ + char const* sourceCodeFine = R"( + contract c { + function c () + { + a = 115792089237316195423570985008687907853269984665640564039458; + } + uint256 a; + })"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCodeFine), + "Parsing and Resolving names failed"); + char const* sourceCode = R"( + contract c { + function c () + { + a = 115792089237316195423570985008687907853269984665640564039458 ether; + } + uint256 a; + })"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(exp_operator_negative_exponent) +{ + char const* sourceCode = R"( + contract test { + function f() returns(uint d) { return 2 ** -3; } + })"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(exp_operator_exponent_too_big) +{ + char const* sourceCode = R"( + contract test { + function f() returns(uint d) { return 2 ** 10000000000; } + })"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(enum_member_access) +{ + char const* text = R"( + contract test { + enum ActionChoices { GoLeft, GoRight, GoStraight, Sit } + function test() + { + choices = ActionChoices.GoStraight; + } + ActionChoices choices; + } + )"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(enum_invalid_member_access) +{ + char const* text = R"( + contract test { + enum ActionChoices { GoLeft, GoRight, GoStraight, Sit } + function test() + { + choices = ActionChoices.RunAroundWavingYourHands; + } + ActionChoices choices; + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(enum_explicit_conversion_is_okay) +{ + char const* text = R"( + contract test { + enum ActionChoices { GoLeft, GoRight, GoStraight, Sit } + function test() + { + a = uint256(ActionChoices.GoStraight); + b = uint64(ActionChoices.Sit); + } + uint256 a; + uint64 b; + } + )"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(int_to_enum_explicit_conversion_is_okay) +{ + char const* text = R"( + contract test { + enum ActionChoices { GoLeft, GoRight, GoStraight, Sit } + function test() + { + a = 2; + b = ActionChoices(a); + } + uint256 a; + ActionChoices b; + } + )"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(enum_implicit_conversion_is_not_okay) +{ + char const* text = R"( + contract test { + enum ActionChoices { GoLeft, GoRight, GoStraight, Sit } + function test() + { + a = ActionChoices.GoStraight; + b = ActionChoices.Sit; + } + uint256 a; + uint64 b; + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(enum_duplicate_values) +{ + char const* text = R"( + contract test { + enum ActionChoices { GoLeft, GoRight, GoLeft, Sit } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError); +} + +BOOST_AUTO_TEST_CASE(private_visibility) +{ + char const* sourceCode = R"( + contract base { + function f() private {} + } + contract derived is base { + function g() { f(); } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), DeclarationError); +} + +BOOST_AUTO_TEST_CASE(private_visibility_via_explicit_base_access) +{ + char const* sourceCode = R"( + contract base { + function f() private {} + } + contract derived is base { + function g() { base.f(); } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(external_visibility) +{ + char const* sourceCode = R"( + contract c { + function f() external {} + function g() { f(); } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), DeclarationError); +} + +BOOST_AUTO_TEST_CASE(external_base_visibility) +{ + char const* sourceCode = R"( + contract base { + function f() external {} + } + contract derived is base { + function g() { base.f(); } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(external_argument_assign) +{ + char const* sourceCode = R"( + contract c { + function f(uint a) external { a = 1; } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(external_argument_increment) +{ + char const* sourceCode = R"( + contract c { + function f(uint a) external { a++; } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(external_argument_delete) +{ + char const* sourceCode = R"( + contract c { + function f(uint a) external { delete a; } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(test_for_bug_override_function_with_bytearray_type) +{ + char const* sourceCode = R"( + contract Vehicle { + function f(bytes _a) external returns (uint256 r) {r = 1;} + } + contract Bike is Vehicle { + function f(bytes _a) external returns (uint256 r) {r = 42;} + } + )"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCode), "Parsing and Name Resolving failed"); +} + +BOOST_AUTO_TEST_CASE(array_with_nonconstant_length) +{ + char const* text = R"( + contract c { + function f(uint a) { uint8[a] x; } + })"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(array_copy_with_different_types1) +{ + char const* text = R"( + contract c { + bytes a; + uint[] b; + function f() { b = a; } + })"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(array_copy_with_different_types2) +{ + char const* text = R"( + contract c { + uint32[] a; + uint8[] b; + function f() { b = a; } + })"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(array_copy_with_different_types_conversion_possible) +{ + char const* text = R"( + contract c { + uint32[] a; + uint8[] b; + function f() { a = b; } + })"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(array_copy_with_different_types_static_dynamic) +{ + char const* text = R"( + contract c { + uint32[] a; + uint8[80] b; + function f() { a = b; } + })"; + ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed"); +} + +BOOST_AUTO_TEST_CASE(array_copy_with_different_types_dynamic_static) +{ + char const* text = R"( + contract c { + uint[] a; + uint[80] b; + function f() { b = a; } + })"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(storage_variable_initialization_with_incorrect_type_int) +{ + char const* text = R"( + contract c { + uint8 a = 1000; + })"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(storage_variable_initialization_with_incorrect_type_string) +{ + char const* text = R"( + contract c { + uint a = "abc"; + })"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(test_fromElementaryTypeName) +{ + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int) == *make_shared<IntegerType>(256, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int8) == *make_shared<IntegerType>(8, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int16) == *make_shared<IntegerType>(16, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int24) == *make_shared<IntegerType>(24, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int32) == *make_shared<IntegerType>(32, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int40) == *make_shared<IntegerType>(40, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int48) == *make_shared<IntegerType>(48, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int56) == *make_shared<IntegerType>(56, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int64) == *make_shared<IntegerType>(64, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int72) == *make_shared<IntegerType>(72, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int80) == *make_shared<IntegerType>(80, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int88) == *make_shared<IntegerType>(88, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int96) == *make_shared<IntegerType>(96, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int104) == *make_shared<IntegerType>(104, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int112) == *make_shared<IntegerType>(112, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int120) == *make_shared<IntegerType>(120, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int128) == *make_shared<IntegerType>(128, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int136) == *make_shared<IntegerType>(136, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int144) == *make_shared<IntegerType>(144, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int152) == *make_shared<IntegerType>(152, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int160) == *make_shared<IntegerType>(160, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int168) == *make_shared<IntegerType>(168, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int176) == *make_shared<IntegerType>(176, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int184) == *make_shared<IntegerType>(184, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int192) == *make_shared<IntegerType>(192, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int200) == *make_shared<IntegerType>(200, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int208) == *make_shared<IntegerType>(208, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int216) == *make_shared<IntegerType>(216, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int224) == *make_shared<IntegerType>(224, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int232) == *make_shared<IntegerType>(232, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int240) == *make_shared<IntegerType>(240, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int248) == *make_shared<IntegerType>(248, IntegerType::Modifier::Signed)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int256) == *make_shared<IntegerType>(256, IntegerType::Modifier::Signed)); + + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt) == *make_shared<IntegerType>(256, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt8) == *make_shared<IntegerType>(8, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt16) == *make_shared<IntegerType>(16, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt24) == *make_shared<IntegerType>(24, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt32) == *make_shared<IntegerType>(32, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt40) == *make_shared<IntegerType>(40, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt48) == *make_shared<IntegerType>(48, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt56) == *make_shared<IntegerType>(56, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt64) == *make_shared<IntegerType>(64, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt72) == *make_shared<IntegerType>(72, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt80) == *make_shared<IntegerType>(80, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt88) == *make_shared<IntegerType>(88, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt96) == *make_shared<IntegerType>(96, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt104) == *make_shared<IntegerType>(104, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt112) == *make_shared<IntegerType>(112, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt120) == *make_shared<IntegerType>(120, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt128) == *make_shared<IntegerType>(128, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt136) == *make_shared<IntegerType>(136, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt144) == *make_shared<IntegerType>(144, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt152) == *make_shared<IntegerType>(152, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt160) == *make_shared<IntegerType>(160, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt168) == *make_shared<IntegerType>(168, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt176) == *make_shared<IntegerType>(176, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt184) == *make_shared<IntegerType>(184, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt192) == *make_shared<IntegerType>(192, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt200) == *make_shared<IntegerType>(200, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt208) == *make_shared<IntegerType>(208, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt216) == *make_shared<IntegerType>(216, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt224) == *make_shared<IntegerType>(224, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt232) == *make_shared<IntegerType>(232, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt240) == *make_shared<IntegerType>(240, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt248) == *make_shared<IntegerType>(248, IntegerType::Modifier::Unsigned)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt256) == *make_shared<IntegerType>(256, IntegerType::Modifier::Unsigned)); + + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Byte) == *make_shared<FixedBytesType>(1)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes1) == *make_shared<FixedBytesType>(1)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes2) == *make_shared<FixedBytesType>(2)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes3) == *make_shared<FixedBytesType>(3)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes4) == *make_shared<FixedBytesType>(4)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes5) == *make_shared<FixedBytesType>(5)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes6) == *make_shared<FixedBytesType>(6)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes7) == *make_shared<FixedBytesType>(7)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes8) == *make_shared<FixedBytesType>(8)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes9) == *make_shared<FixedBytesType>(9)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes10) == *make_shared<FixedBytesType>(10)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes11) == *make_shared<FixedBytesType>(11)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes12) == *make_shared<FixedBytesType>(12)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes13) == *make_shared<FixedBytesType>(13)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes14) == *make_shared<FixedBytesType>(14)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes15) == *make_shared<FixedBytesType>(15)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes16) == *make_shared<FixedBytesType>(16)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes17) == *make_shared<FixedBytesType>(17)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes18) == *make_shared<FixedBytesType>(18)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes19) == *make_shared<FixedBytesType>(19)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes20) == *make_shared<FixedBytesType>(20)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes21) == *make_shared<FixedBytesType>(21)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes22) == *make_shared<FixedBytesType>(22)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes23) == *make_shared<FixedBytesType>(23)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes24) == *make_shared<FixedBytesType>(24)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes25) == *make_shared<FixedBytesType>(25)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes26) == *make_shared<FixedBytesType>(26)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes27) == *make_shared<FixedBytesType>(27)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes28) == *make_shared<FixedBytesType>(28)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes29) == *make_shared<FixedBytesType>(29)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes30) == *make_shared<FixedBytesType>(30)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes31) == *make_shared<FixedBytesType>(31)); + BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes32) == *make_shared<FixedBytesType>(32)); +} + +BOOST_AUTO_TEST_CASE(test_byte_is_alias_of_byte1) +{ + char const* text = R"( + contract c { + bytes arr; + function f() { byte a = arr[0];} + })"; + ETH_TEST_REQUIRE_NO_THROW(parseTextAndResolveNames(text), "Type resolving failed"); +} + +BOOST_AUTO_TEST_CASE(assigning_value_to_const_variable) +{ + char const* text = R"( + contract Foo { + function changeIt() { x = 9; } + uint constant x = 56; + })"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(complex_const_variable) +{ + //for now constant specifier is valid only for uint bytesXX and enums + char const* text = R"( + contract Foo { + mapping(uint => bool) constant mapVar; + })"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(uninitialized_const_variable) +{ + char const* text = R"( + contract Foo { + uint constant y; + })"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(local_const_variable) +{ + char const* text = R"( + contract Foo { + function localConst() returns (uint ret) + { + uint constant local = 4; + return local; + } + })"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), ParserError); +} + +BOOST_AUTO_TEST_CASE(overloaded_function_cannot_resolve) +{ + char const* sourceCode = R"( + contract test { + function f() returns(uint) { return 1; } + function f(uint a) returns(uint) { return a; } + function g() returns(uint) { return f(3, 5); } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(ambiguous_overloaded_function) +{ + // literal 1 can be both converted to uint and uint8, so the call is ambiguous. + char const* sourceCode = R"( + contract test { + function f(uint8 a) returns(uint) { return a; } + function f(uint a) returns(uint) { return 2*a; } + function g() returns(uint) { return f(1); } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(assignment_of_nonoverloaded_function) +{ + char const* sourceCode = R"( + contract test { + function f(uint a) returns(uint) { return 2 * a; } + function g() returns(uint) { var x = f; return x(7); } + } + )"; + ETH_TEST_REQUIRE_NO_THROW(parseTextAndResolveNames(sourceCode), "Type resolving failed"); +} + +BOOST_AUTO_TEST_CASE(assignment_of_overloaded_function) +{ + char const* sourceCode = R"( + contract test { + function f() returns(uint) { return 1; } + function f(uint a) returns(uint) { return 2 * a; } + function g() returns(uint) { var x = f; return x(7); } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(external_types_clash) +{ + char const* sourceCode = R"( + contract base { + enum a { X } + function f(a) { } + } + contract test is base { + function f(uint8 a) { } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(override_changes_return_types) +{ + char const* sourceCode = R"( + contract base { + function f(uint a) returns (uint) { } + } + contract test is base { + function f(uint a) returns (uint8) { } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(multiple_constructors) +{ + char const* sourceCode = R"( + contract test { + function test(uint a) { } + function test() {} + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), DeclarationError); +} + +BOOST_AUTO_TEST_CASE(equal_overload) +{ + char const* sourceCode = R"( + contract test { + function test(uint a) returns (uint b) { } + function test(uint a) external {} + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), DeclarationError); +} + +BOOST_AUTO_TEST_CASE(uninitialized_var) +{ + char const* sourceCode = R"( + contract C { + function f() returns (uint) { var x; return 2; } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(string) +{ + char const* sourceCode = R"( + contract C { + string s; + function f(string x) external { s = x; } + } + )"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCode)); +} + +BOOST_AUTO_TEST_CASE(string_index) +{ + char const* sourceCode = R"( + contract C { + string s; + function f() { var a = s[2]; } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(string_length) +{ + char const* sourceCode = R"( + contract C { + string s; + function f() { var a = s.length; } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(negative_integers_to_signed_out_of_bound) +{ + char const* sourceCode = R"( + contract test { + int8 public i = -129; + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(negative_integers_to_signed_min) +{ + char const* sourceCode = R"( + contract test { + int8 public i = -128; + } + )"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCode)); +} + +BOOST_AUTO_TEST_CASE(positive_integers_to_signed_out_of_bound) +{ + char const* sourceCode = R"( + contract test { + int8 public j = 128; + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(positive_integers_to_signed_out_of_bound_max) +{ + char const* sourceCode = R"( + contract test { + int8 public j = 127; + } + )"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCode)); +} + +BOOST_AUTO_TEST_CASE(negative_integers_to_unsigned) +{ + char const* sourceCode = R"( + contract test { + uint8 public x = -1; + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(positive_integers_to_unsigned_out_of_bound) +{ + char const* sourceCode = R"( + contract test { + uint8 public x = 700; + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(integer_boolean_operators) +{ + char const* sourceCode1 = R"( + contract test { function() { uint x = 1; uint y = 2; x || y; } } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode1), TypeError); + char const* sourceCode2 = R"( + contract test { function() { uint x = 1; uint y = 2; x && y; } } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode2), TypeError); + char const* sourceCode3 = R"( + contract test { function() { uint x = 1; !x; } } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode3), TypeError); +} + +BOOST_AUTO_TEST_CASE(reference_compare_operators) +{ + char const* sourceCode1 = R"( + contract test { bytes a; bytes b; function() { a == b; } } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode1), TypeError); + char const* sourceCode2 = R"( + contract test { struct s {uint a;} s x; s y; function() { x == y; } } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode2), TypeError); +} + +BOOST_AUTO_TEST_CASE(overwrite_memory_location_external) +{ + char const* sourceCode = R"( + contract C { + function f(uint[] memory a) external {} + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(overwrite_storage_location_external) +{ + char const* sourceCode = R"( + contract C { + function f(uint[] storage a) external {} + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(storage_location_local_variables) +{ + char const* sourceCode = R"( + contract C { + function f() { + uint[] storage x; + uint[] memory y; + uint[] memory z; + } + } + )"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCode)); +} + +BOOST_AUTO_TEST_CASE(no_mappings_in_memory_array) +{ + char const* sourceCode = R"( + contract C { + function f() { + mapping(uint=>uint)[] memory x; + } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(assignment_mem_to_local_storage_variable) +{ + char const* sourceCode = R"( + contract C { + uint[] data; + function f(uint[] x) { + var dataRef = data; + dataRef = x; + } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(storage_assign_to_different_local_variable) +{ + char const* sourceCode = R"( + contract C { + uint[] data; + uint8[] otherData; + function f() { + uint8[] storage x = otherData; + uint[] storage y = data; + y = x; + // note that data = otherData works + } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(no_delete_on_storage_pointers) +{ + char const* sourceCode = R"( + contract C { + uint[] data; + function f() { + var x = data; + delete x; + } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(assignment_mem_storage_variable_directly) +{ + char const* sourceCode = R"( + contract C { + uint[] data; + function f(uint[] x) { + data = x; + } + } + )"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCode)); +} + +BOOST_AUTO_TEST_CASE(function_argument_mem_to_storage) +{ + char const* sourceCode = R"( + contract C { + function f(uint[] storage x) private { + } + function g(uint[] x) { + f(x); + } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(function_argument_storage_to_mem) +{ + char const* sourceCode = R"( + contract C { + function f(uint[] storage x) private { + g(x); + } + function g(uint[] x) { + } + } + )"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCode)); +} + +BOOST_AUTO_TEST_CASE(mem_array_assignment_changes_base_type) +{ + // Such an assignment is possible in storage, but not in memory + // (because it would incur an otherwise unnecessary copy). + // This requirement might be lifted, though. + char const* sourceCode = R"( + contract C { + function f(uint8[] memory x) private { + uint[] memory y = x; + } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(dynamic_return_types_not_possible) +{ + char const* sourceCode = R"( + contract C { + function f(uint) returns (string); + function g() { + var x = this.f(2); + } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(memory_arrays_not_resizeable) +{ + char const* sourceCode = R"( + contract C { + function f() { + uint[] memory x; + x.length = 2; + } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError); +} + +BOOST_AUTO_TEST_CASE(struct_constructor) +{ + char const* sourceCode = R"( + contract C { + struct S { uint a; bool x; } + function f() { + S memory s = S(1, true); + } + } + )"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCode)); +} + +BOOST_AUTO_TEST_CASE(struct_constructor_nested) +{ + char const* sourceCode = R"( + contract C { + struct X { uint x1; uint x2; } + struct S { uint s1; uint[3] s2; X s3; } + function f() { + uint[3] memory s2; + S memory s = S(1, s2, X(4, 5)); + } + } + )"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCode)); +} + +BOOST_AUTO_TEST_CASE(struct_named_constructor) +{ + char const* sourceCode = R"( + contract C { + struct S { uint a; bool x; } + function f() { + S memory s = S({a: 1, x: true}); + } + } + )"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCode)); +} + +BOOST_AUTO_TEST_CASE(literal_strings) +{ + char const* text = R"( + contract Foo { + function f() { + string memory long = "01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890"; + string memory short = "123"; + } + } + )"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text)); +} + +BOOST_AUTO_TEST_CASE(invalid_integer_literal_fraction) +{ + char const* text = R"( + contract Foo { + function f() { + var x = 1.20; + } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(invalid_integer_literal_exp) +{ + char const* text = R"( + contract Foo { + function f() { + var x = 1e2; + } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(memory_structs_with_mappings) +{ + char const* text = R"( + contract Test { + struct S { uint8 a; mapping(uint => uint) b; uint8 c; } + S s; + function f() { + S memory x; + x.b[1]; + } + } + )"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(string_bytes_conversion) +{ + char const* text = R"( + contract Test { + string s; + bytes b; + function h(string _s) external { bytes(_s).length; } + function i(string _s) internal { bytes(_s).length; } + function j() internal { bytes(s).length; } + function k(bytes _b) external { string(_b); } + function l(bytes _b) internal { string(_b); } + function m() internal { string(b); } + } + )"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text)); +} + +BOOST_AUTO_TEST_SUITE_END() + +} +} +} // end namespaces diff --git a/test/libsolidity/SolidityNatspecJSON.cpp b/test/libsolidity/SolidityNatspecJSON.cpp new file mode 100644 index 00000000..73c080f7 --- /dev/null +++ b/test/libsolidity/SolidityNatspecJSON.cpp @@ -0,0 +1,534 @@ +/* + 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/>. + */ +/** + * @author Lefteris Karapetsas <lefteris@ethdev.com> + * @date 2014 + * Unit tests for the solidity compiler JSON Interface output. + */ + +#include "../TestHelper.h" +#include <string> +#include <json/json.h> +#include <libsolidity/CompilerStack.h> +#include <libsolidity/Exceptions.h> +#include <libdevcore/Exceptions.h> + +namespace dev +{ +namespace solidity +{ +namespace test +{ + +class DocumentationChecker +{ +public: + DocumentationChecker(): m_compilerStack(false) {} + + void checkNatspec( + std::string const& _code, + std::string const& _expectedDocumentationString, + bool _userDocumentation + ) + { + std::string generatedDocumentationString; + ETH_TEST_REQUIRE_NO_THROW(m_compilerStack.parse(_code), "Parsing failed"); + + if (_userDocumentation) + generatedDocumentationString = m_compilerStack.getMetadata("", DocumentationType::NatspecUser); + else + generatedDocumentationString = m_compilerStack.getMetadata("", DocumentationType::NatspecDev); + Json::Value generatedDocumentation; + m_reader.parse(generatedDocumentationString, generatedDocumentation); + Json::Value expectedDocumentation; + m_reader.parse(_expectedDocumentationString, expectedDocumentation); + BOOST_CHECK_MESSAGE( + expectedDocumentation == generatedDocumentation, + "Expected " << _expectedDocumentationString << + "\n but got:\n" << generatedDocumentationString + ); + } + +private: + CompilerStack m_compilerStack; + Json::Reader m_reader; +}; + +BOOST_FIXTURE_TEST_SUITE(SolidityNatspecJSON, DocumentationChecker) + +BOOST_AUTO_TEST_CASE(user_basic_test) +{ + char const* sourceCode = "contract test {\n" + " /// @notice Multiplies `a` by 7\n" + " function mul(uint a) returns(uint d) { return a * 7; }\n" + "}\n"; + + char const* natspec = "{" + "\"methods\":{" + " \"mul(uint256)\":{ \"notice\": \"Multiplies `a` by 7\"}" + "}}"; + + checkNatspec(sourceCode, natspec, true); +} + +BOOST_AUTO_TEST_CASE(dev_and_user_basic_test) +{ + char const* sourceCode = "contract test {\n" + " /// @notice Multiplies `a` by 7\n" + " /// @dev Multiplies a number by 7\n" + " function mul(uint a) returns(uint d) { return a * 7; }\n" + "}\n"; + + char const* devNatspec = "{" + "\"methods\":{" + " \"mul(uint256)\":{ \n" + " \"details\": \"Multiplies a number by 7\"\n" + " }\n" + " }\n" + "}}"; + + char const* userNatspec = "{" + "\"methods\":{" + " \"mul(uint256)\":{ \"notice\": \"Multiplies `a` by 7\"}" + "}}"; + + checkNatspec(sourceCode, devNatspec, false); + checkNatspec(sourceCode, userNatspec, true); +} + +BOOST_AUTO_TEST_CASE(user_multiline_comment) +{ + char const* sourceCode = "contract test {\n" + " /// @notice Multiplies `a` by 7\n" + " /// and then adds `b`\n" + " function mul_and_add(uint a, uint256 b) returns(uint256 d)\n" + " {\n" + " return (a * 7) + b;\n" + " }\n" + "}\n"; + + char const* natspec = "{" + "\"methods\":{" + " \"mul_and_add(uint256,uint256)\":{ \"notice\": \"Multiplies `a` by 7 and then adds `b`\"}" + "}}"; + + checkNatspec(sourceCode, natspec, true); +} + +BOOST_AUTO_TEST_CASE(user_multiple_functions) +{ + char const* sourceCode = "contract test {\n" + " /// @notice Multiplies `a` by 7 and then adds `b`\n" + " function mul_and_add(uint a, uint256 b) returns(uint256 d)\n" + " {\n" + " return (a * 7) + b;\n" + " }\n" + "\n" + " /// @notice Divides `input` by `div`\n" + " function divide(uint input, uint div) returns(uint d)\n" + " {\n" + " return input / div;\n" + " }\n" + " /// @notice Subtracts 3 from `input`\n" + " function sub(int input) returns(int d)\n" + " {\n" + " return input - 3;\n" + " }\n" + "}\n"; + + char const* natspec = "{" + "\"methods\":{" + " \"mul_and_add(uint256,uint256)\":{ \"notice\": \"Multiplies `a` by 7 and then adds `b`\"}," + " \"divide(uint256,uint256)\":{ \"notice\": \"Divides `input` by `div`\"}," + " \"sub(int256)\":{ \"notice\": \"Subtracts 3 from `input`\"}" + "}}"; + + checkNatspec(sourceCode, natspec, true); +} + +BOOST_AUTO_TEST_CASE(user_empty_contract) +{ + char const* sourceCode = "contract test {\n" + "}\n"; + + char const* natspec = "{\"methods\":{} }"; + + checkNatspec(sourceCode, natspec, true); +} + +BOOST_AUTO_TEST_CASE(dev_and_user_no_doc) +{ + char const* sourceCode = "contract test {\n" + " function mul(uint a) returns(uint d) { return a * 7; }\n" + " function sub(int input) returns(int d)\n" + " {\n" + " return input - 3;\n" + " }\n" + "}\n"; + + char const* devNatspec = "{\"methods\":{}}"; + char const* userNatspec = "{\"methods\":{}}"; + + checkNatspec(sourceCode, devNatspec, false); + checkNatspec(sourceCode, userNatspec, true); +} + +BOOST_AUTO_TEST_CASE(dev_desc_after_nl) +{ + char const* sourceCode = "contract test {\n" + " /// @dev\n" + " /// Multiplies a number by 7 and adds second parameter\n" + " /// @param a Documentation for the first parameter\n" + " /// @param second Documentation for the second parameter\n" + " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n" + "}\n"; + + char const* natspec = "{" + "\"methods\":{" + " \"mul(uint256,uint256)\":{ \n" + " \"details\": \" Multiplies a number by 7 and adds second parameter\",\n" + " \"params\": {\n" + " \"a\": \"Documentation for the first parameter\",\n" + " \"second\": \"Documentation for the second parameter\"\n" + " }\n" + " }\n" + "}}"; + + checkNatspec(sourceCode, natspec, false); +} + +BOOST_AUTO_TEST_CASE(dev_multiple_params) +{ + char const* sourceCode = "contract test {\n" + " /// @dev Multiplies a number by 7 and adds second parameter\n" + " /// @param a Documentation for the first parameter\n" + " /// @param second Documentation for the second parameter\n" + " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n" + "}\n"; + + char const* natspec = "{" + "\"methods\":{" + " \"mul(uint256,uint256)\":{ \n" + " \"details\": \"Multiplies a number by 7 and adds second parameter\",\n" + " \"params\": {\n" + " \"a\": \"Documentation for the first parameter\",\n" + " \"second\": \"Documentation for the second parameter\"\n" + " }\n" + " }\n" + "}}"; + + checkNatspec(sourceCode, natspec, false); +} + +BOOST_AUTO_TEST_CASE(dev_mutiline_param_description) +{ + char const* sourceCode = "contract test {\n" + " /// @dev Multiplies a number by 7 and adds second parameter\n" + " /// @param a Documentation for the first parameter starts here.\n" + " /// Since it's a really complicated parameter we need 2 lines\n" + " /// @param second Documentation for the second parameter\n" + " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n" + "}\n"; + + char const* natspec = "{" + "\"methods\":{" + " \"mul(uint256,uint256)\":{ \n" + " \"details\": \"Multiplies a number by 7 and adds second parameter\",\n" + " \"params\": {\n" + " \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n" + " \"second\": \"Documentation for the second parameter\"\n" + " }\n" + " }\n" + "}}"; + + checkNatspec(sourceCode, natspec, false); +} + +BOOST_AUTO_TEST_CASE(dev_multiple_functions) +{ + char const* sourceCode = "contract test {\n" + " /// @dev Multiplies a number by 7 and adds second parameter\n" + " /// @param a Documentation for the first parameter\n" + " /// @param second Documentation for the second parameter\n" + " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n" + " \n" + " /// @dev Divides 2 numbers\n" + " /// @param input Documentation for the input parameter\n" + " /// @param div Documentation for the div parameter\n" + " function divide(uint input, uint div) returns(uint d)\n" + " {\n" + " return input / div;\n" + " }\n" + " /// @dev Subtracts 3 from `input`\n" + " /// @param input Documentation for the input parameter\n" + " function sub(int input) returns(int d)\n" + " {\n" + " return input - 3;\n" + " }\n" + "}\n"; + + char const* natspec = "{" + "\"methods\":{" + " \"mul(uint256,uint256)\":{ \n" + " \"details\": \"Multiplies a number by 7 and adds second parameter\",\n" + " \"params\": {\n" + " \"a\": \"Documentation for the first parameter\",\n" + " \"second\": \"Documentation for the second parameter\"\n" + " }\n" + " },\n" + " \"divide(uint256,uint256)\":{ \n" + " \"details\": \"Divides 2 numbers\",\n" + " \"params\": {\n" + " \"input\": \"Documentation for the input parameter\",\n" + " \"div\": \"Documentation for the div parameter\"\n" + " }\n" + " },\n" + " \"sub(int256)\":{ \n" + " \"details\": \"Subtracts 3 from `input`\",\n" + " \"params\": {\n" + " \"input\": \"Documentation for the input parameter\"\n" + " }\n" + " }\n" + "}}"; + + checkNatspec(sourceCode, natspec, false); +} + +BOOST_AUTO_TEST_CASE(dev_return) +{ + char const* sourceCode = "contract test {\n" + " /// @dev Multiplies a number by 7 and adds second parameter\n" + " /// @param a Documentation for the first parameter starts here.\n" + " /// Since it's a really complicated parameter we need 2 lines\n" + " /// @param second Documentation for the second parameter\n" + " /// @return The result of the multiplication\n" + " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n" + "}\n"; + + char const* natspec = "{" + "\"methods\":{" + " \"mul(uint256,uint256)\":{ \n" + " \"details\": \"Multiplies a number by 7 and adds second parameter\",\n" + " \"params\": {\n" + " \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n" + " \"second\": \"Documentation for the second parameter\"\n" + " },\n" + " \"return\": \"The result of the multiplication\"\n" + " }\n" + "}}"; + + checkNatspec(sourceCode, natspec, false); +} +BOOST_AUTO_TEST_CASE(dev_return_desc_after_nl) +{ + char const* sourceCode = "contract test {\n" + " /// @dev Multiplies a number by 7 and adds second parameter\n" + " /// @param a Documentation for the first parameter starts here.\n" + " /// Since it's a really complicated parameter we need 2 lines\n" + " /// @param second Documentation for the second parameter\n" + " /// @return\n" + " /// The result of the multiplication\n" + " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n" + "}\n"; + + char const* natspec = "{" + "\"methods\":{" + " \"mul(uint256,uint256)\":{ \n" + " \"details\": \"Multiplies a number by 7 and adds second parameter\",\n" + " \"params\": {\n" + " \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n" + " \"second\": \"Documentation for the second parameter\"\n" + " },\n" + " \"return\": \" The result of the multiplication\"\n" + " }\n" + "}}"; + + checkNatspec(sourceCode, natspec, false); +} + + +BOOST_AUTO_TEST_CASE(dev_multiline_return) +{ + char const* sourceCode = "contract test {\n" + " /// @dev Multiplies a number by 7 and adds second parameter\n" + " /// @param a Documentation for the first parameter starts here.\n" + " /// Since it's a really complicated parameter we need 2 lines\n" + " /// @param second Documentation for the second parameter\n" + " /// @return The result of the multiplication\n" + " /// and cookies with nutella\n" + " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n" + "}\n"; + + char const* natspec = "{" + "\"methods\":{" + " \"mul(uint256,uint256)\":{ \n" + " \"details\": \"Multiplies a number by 7 and adds second parameter\",\n" + " \"params\": {\n" + " \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n" + " \"second\": \"Documentation for the second parameter\"\n" + " },\n" + " \"return\": \"The result of the multiplication and cookies with nutella\"\n" + " }\n" + "}}"; + + checkNatspec(sourceCode, natspec, false); +} + +BOOST_AUTO_TEST_CASE(dev_multiline_comment) +{ + char const* sourceCode = "contract test {\n" + " /**\n" + " * @dev Multiplies a number by 7 and adds second parameter\n" + " * @param a Documentation for the first parameter starts here.\n" + " * Since it's a really complicated parameter we need 2 lines\n" + " * @param second Documentation for the second parameter\n" + " * @return The result of the multiplication\n" + " * and cookies with nutella\n" + " */" + " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n" + "}\n"; + + char const* natspec = "{" + "\"methods\":{" + " \"mul(uint256,uint256)\":{ \n" + " \"details\": \"Multiplies a number by 7 and adds second parameter\",\n" + " \"params\": {\n" + " \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n" + " \"second\": \"Documentation for the second parameter\"\n" + " },\n" + " \"return\": \"The result of the multiplication and cookies with nutella\"\n" + " }\n" + "}}"; + + checkNatspec(sourceCode, natspec, false); +} + +BOOST_AUTO_TEST_CASE(dev_contract_no_doc) +{ + char const* sourceCode = "contract test {\n" + " /// @dev Mul function\n" + " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n" + "}\n"; + + char const* natspec = "{" + " \"methods\":{" + " \"mul(uint256,uint256)\":{ \n" + " \"details\": \"Mul function\"\n" + " }\n" + " }\n" + "}"; + + checkNatspec(sourceCode, natspec, false); +} + +BOOST_AUTO_TEST_CASE(dev_contract_doc) +{ + char const* sourceCode = " /// @author Lefteris\n" + " /// @title Just a test contract\n" + "contract test {\n" + " /// @dev Mul function\n" + " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n" + "}\n"; + + char const* natspec = "{" + " \"author\": \"Lefteris\"," + " \"title\": \"Just a test contract\"," + " \"methods\":{" + " \"mul(uint256,uint256)\":{ \n" + " \"details\": \"Mul function\"\n" + " }\n" + " }\n" + "}"; + + checkNatspec(sourceCode, natspec, false); +} + +BOOST_AUTO_TEST_CASE(dev_author_at_function) +{ + char const* sourceCode = " /// @author Lefteris\n" + " /// @title Just a test contract\n" + "contract test {\n" + " /// @dev Mul function\n" + " /// @author John Doe\n" + " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n" + "}\n"; + + char const* natspec = "{" + " \"author\": \"Lefteris\"," + " \"title\": \"Just a test contract\"," + " \"methods\":{" + " \"mul(uint256,uint256)\":{ \n" + " \"details\": \"Mul function\",\n" + " \"author\": \"John Doe\",\n" + " }\n" + " }\n" + "}"; + + checkNatspec(sourceCode, natspec, false); +} + +BOOST_AUTO_TEST_CASE(natspec_notice_without_tag) +{ + char const* sourceCode = R"( + contract test { + /// I do something awesome + function mul(uint a) returns(uint d) { return a * 7; } + } + )"; + + + char const* natspec = R"ABCDEF( + { + "methods" : { + "mul(uint256)" : { + "notice" : "I do something awesome" + } + } + } + )ABCDEF"; + + checkNatspec(sourceCode, natspec, true); +} + +BOOST_AUTO_TEST_CASE(natspec_multiline_notice_without_tag) +{ + char const* sourceCode = R"( + contract test { + /// I do something awesome + /// which requires two lines to explain + function mul(uint a) returns(uint d) { return a * 7; } + } + )"; + + char const* natspec = R"ABCDEF( + { + "methods" : { + "mul(uint256)" : { + "notice" : "I do something awesome which requires two lines to explain" + } + } + } + )ABCDEF"; + + checkNatspec(sourceCode, natspec, true); +} + +BOOST_AUTO_TEST_SUITE_END() + +} +} +} diff --git a/test/libsolidity/SolidityOptimizer.cpp b/test/libsolidity/SolidityOptimizer.cpp new file mode 100644 index 00000000..85a88c03 --- /dev/null +++ b/test/libsolidity/SolidityOptimizer.cpp @@ -0,0 +1,1132 @@ +/* + 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/>. +*/ +/** + * @author Christian <c@ethdev.com> + * @date 2014 + * Tests for the Solidity optimizer. + */ + +#include <string> +#include <tuple> +#include <memory> +#include <boost/test/unit_test.hpp> +#include <boost/lexical_cast.hpp> +#include <test/libsolidity/solidityExecutionFramework.h> +#include <libevmasm/CommonSubexpressionEliminator.h> +#include <libevmasm/ControlFlowGraph.h> +#include <libevmasm/Assembly.h> +#include <libevmasm/BlockDeduplicator.h> + +using namespace std; +using namespace dev::eth; + +namespace dev +{ +namespace solidity +{ +namespace test +{ + +class OptimizerTestFramework: public ExecutionFramework +{ +public: + OptimizerTestFramework() { } + /// Compiles the source code with and without optimizing. + void compileBothVersions( + std::string const& _sourceCode, + u256 const& _value = 0, + std::string const& _contractName = "" + ) + { + m_optimize = false; + bytes nonOptimizedBytecode = compileAndRun(_sourceCode, _value, _contractName); + m_nonOptimizedContract = m_contractAddress; + m_optimize = true; + bytes optimizedBytecode = compileAndRun(_sourceCode, _value, _contractName); + size_t nonOptimizedSize = 0; + eth::eachInstruction(nonOptimizedBytecode, [&](Instruction, u256 const&) { + nonOptimizedSize++; + }); + size_t optimizedSize = 0; + eth::eachInstruction(optimizedBytecode, [&](Instruction, u256 const&) { + optimizedSize++; + }); + BOOST_CHECK_MESSAGE( + nonOptimizedSize > optimizedSize, + "Optimizer did not reduce bytecode size." + ); + m_optimizedContract = m_contractAddress; + } + + template <class... Args> + void compareVersions(std::string _sig, Args const&... _arguments) + { + m_contractAddress = m_nonOptimizedContract; + bytes nonOptimizedOutput = callContractFunction(_sig, _arguments...); + m_contractAddress = m_optimizedContract; + bytes optimizedOutput = callContractFunction(_sig, _arguments...); + BOOST_CHECK_MESSAGE(nonOptimizedOutput == optimizedOutput, "Computed values do not match." + "\nNon-Optimized: " + toHex(nonOptimizedOutput) + + "\nOptimized: " + toHex(optimizedOutput)); + } + + AssemblyItems addDummyLocations(AssemblyItems const& _input) + { + // add dummy locations to each item so that we can check that they are not deleted + AssemblyItems input = _input; + for (AssemblyItem& item: input) + item.setLocation(SourceLocation(1, 3, make_shared<string>(""))); + return input; + } + + eth::KnownState createInitialState(AssemblyItems const& _input) + { + eth::KnownState state; + for (auto const& item: addDummyLocations(_input)) + state.feedItem(item, true); + return state; + } + + AssemblyItems getCSE(AssemblyItems const& _input, eth::KnownState const& _state = eth::KnownState()) + { + AssemblyItems input = addDummyLocations(_input); + + eth::CommonSubexpressionEliminator cse(_state); + BOOST_REQUIRE(cse.feedItems(input.begin(), input.end()) == input.end()); + AssemblyItems output = cse.getOptimizedItems(); + + for (AssemblyItem const& item: output) + { + BOOST_CHECK(item == Instruction::POP || !item.getLocation().isEmpty()); + } + return output; + } + + void checkCSE( + AssemblyItems const& _input, + AssemblyItems const& _expectation, + KnownState const& _state = eth::KnownState() + ) + { + AssemblyItems output = getCSE(_input, _state); + BOOST_CHECK_EQUAL_COLLECTIONS(_expectation.begin(), _expectation.end(), output.begin(), output.end()); + } + + AssemblyItems getCFG(AssemblyItems const& _input) + { + AssemblyItems output = _input; + // Running it four times should be enough for these tests. + for (unsigned i = 0; i < 4; ++i) + { + ControlFlowGraph cfg(output); + AssemblyItems optItems; + for (BasicBlock const& block: cfg.optimisedBlocks()) + copy(output.begin() + block.begin, output.begin() + block.end, + back_inserter(optItems)); + output = move(optItems); + } + return output; + } + + void checkCFG(AssemblyItems const& _input, AssemblyItems const& _expectation) + { + AssemblyItems output = getCFG(_input); + BOOST_CHECK_EQUAL_COLLECTIONS(_expectation.begin(), _expectation.end(), output.begin(), output.end()); + } + +protected: + Address m_optimizedContract; + Address m_nonOptimizedContract; +}; + +BOOST_FIXTURE_TEST_SUITE(SolidityOptimizer, OptimizerTestFramework) + +BOOST_AUTO_TEST_CASE(smoke_test) +{ + char const* sourceCode = R"( + contract test { + function f(uint a) returns (uint b) { + return a; + } + })"; + compileBothVersions(sourceCode); + compareVersions("f(uint256)", u256(7)); +} + +BOOST_AUTO_TEST_CASE(identities) +{ + char const* sourceCode = R"( + contract test { + function f(int a) returns (int b) { + return int(0) | (int(1) * (int(0) ^ (0 + a))); + } + })"; + compileBothVersions(sourceCode); + compareVersions("f(uint256)", u256(0x12334664)); +} + +BOOST_AUTO_TEST_CASE(unused_expressions) +{ + char const* sourceCode = R"( + contract test { + uint data; + function f() returns (uint a, uint b) { + 10 + 20; + data; + } + })"; + compileBothVersions(sourceCode); + compareVersions("f()"); +} + +BOOST_AUTO_TEST_CASE(constant_folding_both_sides) +{ + // if constants involving the same associative and commutative operator are applied from both + // sides, the operator should be applied only once, because the expression compiler pushes + // literals as late as possible + char const* sourceCode = R"( + contract test { + function f(uint x) returns (uint y) { + return 98 ^ (7 * ((1 | (x | 1000)) * 40) ^ 102); + } + })"; + compileBothVersions(sourceCode); + compareVersions("f(uint256)"); +} + +BOOST_AUTO_TEST_CASE(storage_access) +{ + char const* sourceCode = R"( + contract test { + uint8[40] data; + function f(uint x) returns (uint y) { + data[2] = data[7] = uint8(x); + data[4] = data[2] * 10 + data[3]; + } + } + )"; + compileBothVersions(sourceCode); + compareVersions("f(uint256)"); +} + +BOOST_AUTO_TEST_CASE(array_copy) +{ + char const* sourceCode = R"( + contract test { + bytes2[] data1; + bytes5[] data2; + function f(uint x) returns (uint l, uint y) { + for (uint i = 0; i < msg.data.length; ++i) + data1[i] = msg.data[i]; + data2 = data1; + l = data2.length; + y = uint(data2[x]); + } + } + )"; + compileBothVersions(sourceCode); + compareVersions("f(uint256)", 0); + compareVersions("f(uint256)", 10); + compareVersions("f(uint256)", 36); +} + +BOOST_AUTO_TEST_CASE(function_calls) +{ + char const* sourceCode = R"( + contract test { + function f1(uint x) returns (uint) { return x*x; } + function f(uint x) returns (uint) { return f1(7+x) - this.f1(x**9); } + } + )"; + compileBothVersions(sourceCode); + compareVersions("f(uint256)", 0); + compareVersions("f(uint256)", 10); + compareVersions("f(uint256)", 36); +} + +BOOST_AUTO_TEST_CASE(storage_write_in_loops) +{ + char const* sourceCode = R"( + contract test { + uint d; + function f(uint a) returns (uint r) { + var x = d; + for (uint i = 1; i < a * a; i++) { + r = d; + d = i; + } + + } + } + )"; + compileBothVersions(sourceCode); + compareVersions("f(uint256)", 0); + compareVersions("f(uint256)", 10); + compareVersions("f(uint256)", 36); +} + +BOOST_AUTO_TEST_CASE(retain_information_in_branches) +{ + // This tests that the optimizer knows that we already have "z == sha3(y)" inside both branches. + char const* sourceCode = R"( + contract c { + bytes32 d; + uint a; + function f(uint x, bytes32 y) returns (uint r_a, bytes32 r_d) { + bytes32 z = sha3(y); + if (x > 8) { + z = sha3(y); + a = x; + } else { + z = sha3(y); + a = x; + } + r_a = a; + r_d = d; + } + } + )"; + compileBothVersions(sourceCode); + compareVersions("f(uint256,bytes32)", 0, "abc"); + compareVersions("f(uint256,bytes32)", 8, "def"); + compareVersions("f(uint256,bytes32)", 10, "ghi"); + + m_optimize = true; + bytes optimizedBytecode = compileAndRun(sourceCode, 0, "c"); + size_t numSHA3s = 0; + eth::eachInstruction(optimizedBytecode, [&](Instruction _instr, u256 const&) { + if (_instr == eth::Instruction::SHA3) + numSHA3s++; + }); + BOOST_CHECK_EQUAL(1, numSHA3s); +} + +BOOST_AUTO_TEST_CASE(store_tags_as_unions) +{ + // This calls the same function from two sources and both calls have a certain sha3 on + // the stack at the same position. + // Without storing tags as unions, the return from the shared function would not know where to + // jump and thus all jumpdests are forced to clear their state and we do not know about the + // sha3 anymore. + // Note that, for now, this only works if the functions have the same number of return + // parameters since otherwise, the return jump addresses are at different stack positions + // which triggers the "unknown jump target" situation. + char const* sourceCode = R"( + contract test { + bytes32 data; + function f(uint x, bytes32 y) external returns (uint r_a, bytes32 r_d) { + r_d = sha3(y); + shared(y); + r_d = sha3(y); + r_a = 5; + } + function g(uint x, bytes32 y) external returns (uint r_a, bytes32 r_d) { + r_d = sha3(y); + shared(y); + r_d = bytes32(uint(sha3(y)) + 2); + r_a = 7; + } + function shared(bytes32 y) internal { + data = sha3(y); + } + } + )"; + compileBothVersions(sourceCode); + compareVersions("f()", 7, "abc"); + + m_optimize = true; + bytes optimizedBytecode = compileAndRun(sourceCode, 0, "test"); + size_t numSHA3s = 0; + eth::eachInstruction(optimizedBytecode, [&](Instruction _instr, u256 const&) { + if (_instr == eth::Instruction::SHA3) + numSHA3s++; + }); +// TEST DISABLED UNTIL 93693404 IS IMPLEMENTED +// BOOST_CHECK_EQUAL(2, numSHA3s); +} + +BOOST_AUTO_TEST_CASE(cse_intermediate_swap) +{ + eth::KnownState state; + eth::CommonSubexpressionEliminator cse(state); + AssemblyItems input{ + Instruction::SWAP1, Instruction::POP, Instruction::ADD, u256(0), Instruction::SWAP1, + Instruction::SLOAD, Instruction::SWAP1, u256(100), Instruction::EXP, Instruction::SWAP1, + Instruction::DIV, u256(0xff), Instruction::AND + }; + BOOST_REQUIRE(cse.feedItems(input.begin(), input.end()) == input.end()); + AssemblyItems output = cse.getOptimizedItems(); + BOOST_CHECK(!output.empty()); +} + +BOOST_AUTO_TEST_CASE(cse_negative_stack_access) +{ + AssemblyItems input{Instruction::DUP2, u256(0)}; + checkCSE(input, input); +} + +BOOST_AUTO_TEST_CASE(cse_negative_stack_end) +{ + AssemblyItems input{Instruction::ADD}; + checkCSE(input, input); +} + +BOOST_AUTO_TEST_CASE(cse_intermediate_negative_stack) +{ + AssemblyItems input{Instruction::ADD, u256(1), Instruction::DUP1}; + checkCSE(input, input); +} + +BOOST_AUTO_TEST_CASE(cse_pop) +{ + checkCSE({Instruction::POP}, {Instruction::POP}); +} + +BOOST_AUTO_TEST_CASE(cse_unneeded_items) +{ + AssemblyItems input{ + Instruction::ADD, + Instruction::SWAP1, + Instruction::POP, + u256(7), + u256(8), + }; + checkCSE(input, input); +} + +BOOST_AUTO_TEST_CASE(cse_constant_addition) +{ + AssemblyItems input{u256(7), u256(8), Instruction::ADD}; + checkCSE(input, {u256(7 + 8)}); +} + +BOOST_AUTO_TEST_CASE(cse_invariants) +{ + AssemblyItems input{ + Instruction::DUP1, + Instruction::DUP1, + u256(0), + Instruction::OR, + Instruction::OR + }; + checkCSE(input, {Instruction::DUP1}); +} + +BOOST_AUTO_TEST_CASE(cse_subself) +{ + checkCSE({Instruction::DUP1, Instruction::SUB}, {Instruction::POP, u256(0)}); +} + +BOOST_AUTO_TEST_CASE(cse_subother) +{ + checkCSE({Instruction::SUB}, {Instruction::SUB}); +} + +BOOST_AUTO_TEST_CASE(cse_double_negation) +{ + checkCSE({Instruction::DUP5, Instruction::NOT, Instruction::NOT}, {Instruction::DUP5}); +} + +BOOST_AUTO_TEST_CASE(cse_double_iszero) +{ + checkCSE({Instruction::GT, Instruction::ISZERO, Instruction::ISZERO}, {Instruction::GT}); + checkCSE({Instruction::GT, Instruction::ISZERO}, {Instruction::GT, Instruction::ISZERO}); + checkCSE( + {Instruction::ISZERO, Instruction::ISZERO, Instruction::ISZERO}, + {Instruction::ISZERO} + ); +} + +BOOST_AUTO_TEST_CASE(cse_associativity) +{ + AssemblyItems input{ + Instruction::DUP1, + Instruction::DUP1, + u256(0), + Instruction::OR, + Instruction::OR + }; + checkCSE(input, {Instruction::DUP1}); +} + +BOOST_AUTO_TEST_CASE(cse_associativity2) +{ + AssemblyItems input{ + u256(0), + Instruction::DUP2, + u256(2), + u256(1), + Instruction::DUP6, + Instruction::ADD, + u256(2), + Instruction::ADD, + Instruction::ADD, + Instruction::ADD, + Instruction::ADD + }; + checkCSE(input, {Instruction::DUP2, Instruction::DUP2, Instruction::ADD, u256(5), Instruction::ADD}); +} + +BOOST_AUTO_TEST_CASE(cse_storage) +{ + AssemblyItems input{ + u256(0), + Instruction::SLOAD, + u256(0), + Instruction::SLOAD, + Instruction::ADD, + u256(0), + Instruction::SSTORE + }; + checkCSE(input, { + u256(0), + Instruction::DUP1, + Instruction::SLOAD, + Instruction::DUP1, + Instruction::ADD, + Instruction::SWAP1, + Instruction::SSTORE + }); +} + +BOOST_AUTO_TEST_CASE(cse_noninterleaved_storage) +{ + // two stores to the same location should be replaced by only one store, even if we + // read in the meantime + AssemblyItems input{ + u256(7), + Instruction::DUP2, + Instruction::SSTORE, + Instruction::DUP1, + Instruction::SLOAD, + u256(8), + Instruction::DUP3, + Instruction::SSTORE + }; + checkCSE(input, { + u256(8), + Instruction::DUP2, + Instruction::SSTORE, + u256(7) + }); +} + +BOOST_AUTO_TEST_CASE(cse_interleaved_storage) +{ + // stores and reads to/from two unknown locations, should not optimize away the first store + AssemblyItems input{ + u256(7), + Instruction::DUP2, + Instruction::SSTORE, // store to "DUP1" + Instruction::DUP2, + Instruction::SLOAD, // read from "DUP2", might be equal to "DUP1" + u256(0), + Instruction::DUP3, + Instruction::SSTORE // store different value to "DUP1" + }; + checkCSE(input, input); +} + +BOOST_AUTO_TEST_CASE(cse_interleaved_storage_same_value) +{ + // stores and reads to/from two unknown locations, should not optimize away the first store + // but it should optimize away the second, since we already know the value will be the same + AssemblyItems input{ + u256(7), + Instruction::DUP2, + Instruction::SSTORE, // store to "DUP1" + Instruction::DUP2, + Instruction::SLOAD, // read from "DUP2", might be equal to "DUP1" + u256(6), + u256(1), + Instruction::ADD, + Instruction::DUP3, + Instruction::SSTORE // store same value to "DUP1" + }; + checkCSE(input, { + u256(7), + Instruction::DUP2, + Instruction::SSTORE, + Instruction::DUP2, + Instruction::SLOAD + }); +} + +BOOST_AUTO_TEST_CASE(cse_interleaved_storage_at_known_location) +{ + // stores and reads to/from two known locations, should optimize away the first store, + // because we know that the location is different + AssemblyItems input{ + u256(0x70), + u256(1), + Instruction::SSTORE, // store to 1 + u256(2), + Instruction::SLOAD, // read from 2, is different from 1 + u256(0x90), + u256(1), + Instruction::SSTORE // store different value at 1 + }; + checkCSE(input, { + u256(2), + Instruction::SLOAD, + u256(0x90), + u256(1), + Instruction::SSTORE + }); +} + +BOOST_AUTO_TEST_CASE(cse_interleaved_storage_at_known_location_offset) +{ + // stores and reads to/from two locations which are known to be different, + // should optimize away the first store, because we know that the location is different + AssemblyItems input{ + u256(0x70), + Instruction::DUP2, + u256(1), + Instruction::ADD, + Instruction::SSTORE, // store to "DUP1"+1 + Instruction::DUP1, + u256(2), + Instruction::ADD, + Instruction::SLOAD, // read from "DUP1"+2, is different from "DUP1"+1 + u256(0x90), + Instruction::DUP3, + u256(1), + Instruction::ADD, + Instruction::SSTORE // store different value at "DUP1"+1 + }; + checkCSE(input, { + u256(2), + Instruction::DUP2, + Instruction::ADD, + Instruction::SLOAD, + u256(0x90), + u256(1), + Instruction::DUP4, + Instruction::ADD, + Instruction::SSTORE + }); +} + +BOOST_AUTO_TEST_CASE(cse_interleaved_memory_at_known_location_offset) +{ + // stores and reads to/from two locations which are known to be different, + // should not optimize away the first store, because the location overlaps with the load, + // but it should optimize away the second, because we know that the location is different by 32 + AssemblyItems input{ + u256(0x50), + Instruction::DUP2, + u256(2), + Instruction::ADD, + Instruction::MSTORE, // ["DUP1"+2] = 0x50 + u256(0x60), + Instruction::DUP2, + u256(32), + Instruction::ADD, + Instruction::MSTORE, // ["DUP1"+32] = 0x60 + Instruction::DUP1, + Instruction::MLOAD, // read from "DUP1" + u256(0x70), + Instruction::DUP3, + u256(32), + Instruction::ADD, + Instruction::MSTORE, // ["DUP1"+32] = 0x70 + u256(0x80), + Instruction::DUP3, + u256(2), + Instruction::ADD, + Instruction::MSTORE, // ["DUP1"+2] = 0x80 + }; + // If the actual code changes too much, we could also simply check that the output contains + // exactly 3 MSTORE and exactly 1 MLOAD instruction. + checkCSE(input, { + u256(0x50), + u256(2), + Instruction::DUP3, + Instruction::ADD, + Instruction::SWAP1, + Instruction::DUP2, + Instruction::MSTORE, // ["DUP1"+2] = 0x50 + Instruction::DUP2, + Instruction::MLOAD, // read from "DUP1" + u256(0x70), + u256(32), + Instruction::DUP5, + Instruction::ADD, + Instruction::MSTORE, // ["DUP1"+32] = 0x70 + u256(0x80), + Instruction::SWAP1, + Instruction::SWAP2, + Instruction::MSTORE // ["DUP1"+2] = 0x80 + }); +} + +BOOST_AUTO_TEST_CASE(cse_deep_stack) +{ + AssemblyItems input{ + Instruction::ADD, + Instruction::SWAP1, + Instruction::POP, + Instruction::SWAP8, + Instruction::POP, + Instruction::SWAP8, + Instruction::POP, + Instruction::SWAP8, + Instruction::SWAP5, + Instruction::POP, + Instruction::POP, + Instruction::POP, + Instruction::POP, + Instruction::POP, + }; + checkCSE(input, { + Instruction::SWAP4, + Instruction::SWAP12, + Instruction::SWAP3, + Instruction::SWAP11, + Instruction::POP, + Instruction::SWAP1, + Instruction::SWAP3, + Instruction::ADD, + Instruction::SWAP8, + Instruction::POP, + Instruction::SWAP6, + Instruction::POP, + Instruction::POP, + Instruction::POP, + Instruction::POP, + Instruction::POP, + Instruction::POP, + }); +} + +BOOST_AUTO_TEST_CASE(cse_jumpi_no_jump) +{ + AssemblyItems input{ + u256(0), + u256(1), + Instruction::DUP2, + AssemblyItem(PushTag, 1), + Instruction::JUMPI + }; + checkCSE(input, { + u256(0), + u256(1) + }); +} + +BOOST_AUTO_TEST_CASE(cse_jumpi_jump) +{ + AssemblyItems input{ + u256(1), + u256(1), + Instruction::DUP2, + AssemblyItem(PushTag, 1), + Instruction::JUMPI + }; + checkCSE(input, { + u256(1), + Instruction::DUP1, + AssemblyItem(PushTag, 1), + Instruction::JUMP + }); +} + +BOOST_AUTO_TEST_CASE(cse_empty_sha3) +{ + AssemblyItems input{ + u256(0), + Instruction::DUP2, + Instruction::SHA3 + }; + checkCSE(input, { + u256(sha3(bytesConstRef())) + }); +} + +BOOST_AUTO_TEST_CASE(cse_partial_sha3) +{ + AssemblyItems input{ + u256(0xabcd) << (256 - 16), + u256(0), + Instruction::MSTORE, + u256(2), + u256(0), + Instruction::SHA3 + }; + checkCSE(input, { + u256(0xabcd) << (256 - 16), + u256(0), + Instruction::MSTORE, + u256(sha3(bytes{0xab, 0xcd})) + }); +} + +BOOST_AUTO_TEST_CASE(cse_sha3_twice_same_location) +{ + // sha3 twice from same dynamic location + AssemblyItems input{ + Instruction::DUP2, + Instruction::DUP1, + Instruction::MSTORE, + u256(64), + Instruction::DUP2, + Instruction::SHA3, + u256(64), + Instruction::DUP3, + Instruction::SHA3 + }; + checkCSE(input, { + Instruction::DUP2, + Instruction::DUP1, + Instruction::MSTORE, + u256(64), + Instruction::DUP2, + Instruction::SHA3, + Instruction::DUP1 + }); +} + +BOOST_AUTO_TEST_CASE(cse_sha3_twice_same_content) +{ + // sha3 twice from different dynamic location but with same content + AssemblyItems input{ + Instruction::DUP1, + u256(0x80), + Instruction::MSTORE, // m[128] = DUP1 + u256(0x20), + u256(0x80), + Instruction::SHA3, // sha3(m[128..(128+32)]) + Instruction::DUP2, + u256(12), + Instruction::MSTORE, // m[12] = DUP1 + u256(0x20), + u256(12), + Instruction::SHA3 // sha3(m[12..(12+32)]) + }; + checkCSE(input, { + u256(0x80), + Instruction::DUP2, + Instruction::DUP2, + Instruction::MSTORE, + u256(0x20), + Instruction::SWAP1, + Instruction::SHA3, + u256(12), + Instruction::DUP3, + Instruction::SWAP1, + Instruction::MSTORE, + Instruction::DUP1 + }); +} + +BOOST_AUTO_TEST_CASE(cse_sha3_twice_same_content_dynamic_store_in_between) +{ + // sha3 twice from different dynamic location but with same content, + // dynamic mstore in between, which forces us to re-calculate the sha3 + AssemblyItems input{ + u256(0x80), + Instruction::DUP2, + Instruction::DUP2, + Instruction::MSTORE, // m[128] = DUP1 + u256(0x20), + Instruction::DUP1, + Instruction::DUP3, + Instruction::SHA3, // sha3(m[128..(128+32)]) + u256(12), + Instruction::DUP5, + Instruction::DUP2, + Instruction::MSTORE, // m[12] = DUP1 + Instruction::DUP12, + Instruction::DUP14, + Instruction::MSTORE, // destroys memory knowledge + Instruction::SWAP2, + Instruction::SWAP1, + Instruction::SWAP2, + Instruction::SHA3 // sha3(m[12..(12+32)]) + }; + checkCSE(input, input); +} + +BOOST_AUTO_TEST_CASE(cse_sha3_twice_same_content_noninterfering_store_in_between) +{ + // sha3 twice from different dynamic location but with same content, + // dynamic mstore in between, but does not force us to re-calculate the sha3 + AssemblyItems input{ + u256(0x80), + Instruction::DUP2, + Instruction::DUP2, + Instruction::MSTORE, // m[128] = DUP1 + u256(0x20), + Instruction::DUP1, + Instruction::DUP3, + Instruction::SHA3, // sha3(m[128..(128+32)]) + u256(12), + Instruction::DUP5, + Instruction::DUP2, + Instruction::MSTORE, // m[12] = DUP1 + Instruction::DUP12, + u256(12 + 32), + Instruction::MSTORE, // does not destoy memory knowledge + Instruction::DUP13, + u256(128 - 32), + Instruction::MSTORE, // does not destoy memory knowledge + u256(0x20), + u256(12), + Instruction::SHA3 // sha3(m[12..(12+32)]) + }; + // if this changes too often, only count the number of SHA3 and MSTORE instructions + AssemblyItems output = getCSE(input); + BOOST_CHECK_EQUAL(4, count(output.begin(), output.end(), AssemblyItem(Instruction::MSTORE))); + BOOST_CHECK_EQUAL(1, count(output.begin(), output.end(), AssemblyItem(Instruction::SHA3))); +} + +BOOST_AUTO_TEST_CASE(cse_with_initially_known_stack) +{ + eth::KnownState state = createInitialState(AssemblyItems{ + u256(0x12), + u256(0x20), + Instruction::ADD + }); + AssemblyItems input{ + u256(0x12 + 0x20) + }; + checkCSE(input, AssemblyItems{Instruction::DUP1}, state); +} + +BOOST_AUTO_TEST_CASE(cse_equality_on_initially_known_stack) +{ + eth::KnownState state = createInitialState(AssemblyItems{Instruction::DUP1}); + AssemblyItems input{ + Instruction::EQ + }; + AssemblyItems output = getCSE(input, state); + // check that it directly pushes 1 (true) + BOOST_CHECK(find(output.begin(), output.end(), AssemblyItem(u256(1))) != output.end()); +} + +BOOST_AUTO_TEST_CASE(cse_access_previous_sequence) +{ + // Tests that the code generator detects whether it tries to access SLOAD instructions + // from a sequenced expression which is not in its scope. + eth::KnownState state = createInitialState(AssemblyItems{ + u256(0), + Instruction::SLOAD, + u256(1), + Instruction::ADD, + u256(0), + Instruction::SSTORE + }); + // now stored: val_1 + 1 (value at sequence 1) + // if in the following instructions, the SLOAD cresolves to "val_1 + 1", + // this cannot be generated because we cannot load from sequence 1 anymore. + AssemblyItems input{ + u256(0), + Instruction::SLOAD, + }; + BOOST_CHECK_THROW(getCSE(input, state), StackTooDeepException); + // @todo for now, this throws an exception, but it should recover to the following + // (or an even better version) at some point: + // 0, SLOAD, 1, ADD, SSTORE, 0 SLOAD +} + +BOOST_AUTO_TEST_CASE(cse_optimise_return) +{ + checkCSE( + AssemblyItems{u256(0), u256(7), Instruction::RETURN}, + AssemblyItems{Instruction::STOP} + ); +} + +BOOST_AUTO_TEST_CASE(control_flow_graph_remove_unused) +{ + // remove parts of the code that are unused + AssemblyItems input{ + AssemblyItem(PushTag, 1), + Instruction::JUMP, + u256(7), + AssemblyItem(Tag, 1), + }; + checkCFG(input, {}); +} + +BOOST_AUTO_TEST_CASE(control_flow_graph_remove_unused_loop) +{ + AssemblyItems input{ + AssemblyItem(PushTag, 3), + Instruction::JUMP, + AssemblyItem(Tag, 1), + u256(7), + AssemblyItem(PushTag, 2), + Instruction::JUMP, + AssemblyItem(Tag, 2), + u256(8), + AssemblyItem(PushTag, 1), + Instruction::JUMP, + AssemblyItem(Tag, 3), + u256(11) + }; + checkCFG(input, {u256(11)}); +} + +BOOST_AUTO_TEST_CASE(control_flow_graph_reconnect_single_jump_source) +{ + // move code that has only one unconditional jump source + AssemblyItems input{ + u256(1), + AssemblyItem(PushTag, 1), + Instruction::JUMP, + AssemblyItem(Tag, 2), + u256(2), + AssemblyItem(PushTag, 3), + Instruction::JUMP, + AssemblyItem(Tag, 1), + u256(3), + AssemblyItem(PushTag, 2), + Instruction::JUMP, + AssemblyItem(Tag, 3), + u256(4), + }; + checkCFG(input, {u256(1), u256(3), u256(2), u256(4)}); +} + +BOOST_AUTO_TEST_CASE(control_flow_graph_do_not_remove_returned_to) +{ + // do not remove parts that are "returned to" + AssemblyItems input{ + AssemblyItem(PushTag, 1), + AssemblyItem(PushTag, 2), + Instruction::JUMP, + AssemblyItem(Tag, 2), + Instruction::JUMP, + AssemblyItem(Tag, 1), + u256(2) + }; + checkCFG(input, {u256(2)}); +} + +BOOST_AUTO_TEST_CASE(block_deduplicator) +{ + AssemblyItems input{ + AssemblyItem(PushTag, 2), + AssemblyItem(PushTag, 1), + AssemblyItem(PushTag, 3), + u256(6), + eth::Instruction::SWAP3, + eth::Instruction::JUMP, + AssemblyItem(Tag, 1), + u256(6), + eth::Instruction::SWAP3, + eth::Instruction::JUMP, + AssemblyItem(Tag, 2), + u256(6), + eth::Instruction::SWAP3, + eth::Instruction::JUMP, + AssemblyItem(Tag, 3) + }; + BlockDeduplicator dedup(input); + dedup.deduplicate(); + + set<u256> pushTags; + for (AssemblyItem const& item: input) + if (item.type() == PushTag) + pushTags.insert(item.data()); + BOOST_CHECK_EQUAL(pushTags.size(), 2); +} + +BOOST_AUTO_TEST_CASE(block_deduplicator_loops) +{ + AssemblyItems input{ + u256(0), + eth::Instruction::SLOAD, + AssemblyItem(PushTag, 1), + AssemblyItem(PushTag, 2), + eth::Instruction::JUMPI, + eth::Instruction::JUMP, + AssemblyItem(Tag, 1), + u256(5), + u256(6), + eth::Instruction::SSTORE, + AssemblyItem(PushTag, 1), + eth::Instruction::JUMP, + AssemblyItem(Tag, 2), + u256(5), + u256(6), + eth::Instruction::SSTORE, + AssemblyItem(PushTag, 2), + eth::Instruction::JUMP, + }; + BlockDeduplicator dedup(input); + dedup.deduplicate(); + + set<u256> pushTags; + for (AssemblyItem const& item: input) + if (item.type() == PushTag) + pushTags.insert(item.data()); + BOOST_CHECK_EQUAL(pushTags.size(), 1); +} + +BOOST_AUTO_TEST_CASE(computing_constants) +{ + char const* sourceCode = R"( + contract c { + uint a; + uint b; + uint c; + function set() returns (uint a, uint b, uint c) { + a = 0x77abc0000000000000000000000000000000000000000000000000000000001; + b = 0x817416927846239487123469187231298734162934871263941234127518276; + g(); + } + function g() { + b = 0x817416927846239487123469187231298734162934871263941234127518276; + c = 0x817416927846239487123469187231298734162934871263941234127518276; + } + function get() returns (uint ra, uint rb, uint rc) { + ra = a; + rb = b; + rc = c ; + } + } + )"; + compileBothVersions(sourceCode); + compareVersions("set()"); + compareVersions("get()"); + + m_optimize = true; + m_optimizeRuns = 1; + bytes optimizedBytecode = compileAndRun(sourceCode, 0, "c"); + bytes complicatedConstant = toBigEndian(u256("0x817416927846239487123469187231298734162934871263941234127518276")); + unsigned occurrences = 0; + for (auto iter = optimizedBytecode.cbegin(); iter < optimizedBytecode.cend(); ++occurrences) + iter = search(iter, optimizedBytecode.cend(), complicatedConstant.cbegin(), complicatedConstant.cend()) + 1; + BOOST_CHECK_EQUAL(2, occurrences); + + bytes constantWithZeros = toBigEndian(u256("0x77abc0000000000000000000000000000000000000000000000000000000001")); + BOOST_CHECK(search( + optimizedBytecode.cbegin(), + optimizedBytecode.cend(), + constantWithZeros.cbegin(), + constantWithZeros.cend() + ) == optimizedBytecode.cend()); +} + +BOOST_AUTO_TEST_SUITE_END() + +} +} +} // end namespaces diff --git a/test/libsolidity/SolidityParser.cpp b/test/libsolidity/SolidityParser.cpp new file mode 100644 index 00000000..438e650b --- /dev/null +++ b/test/libsolidity/SolidityParser.cpp @@ -0,0 +1,921 @@ +/* + 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/>. +*/ +/** + * @author Christian <c@ethdev.com> + * @date 2014 + * Unit tests for the solidity parser. + */ + +#include <string> +#include <memory> +#include <libdevcore/Log.h> +#include <libsolidity/Scanner.h> +#include <libsolidity/Parser.h> +#include <libsolidity/Exceptions.h> +#include "../TestHelper.h" + +using namespace std; + +namespace dev +{ +namespace solidity +{ +namespace test +{ + +namespace +{ +ASTPointer<ContractDefinition> parseText(std::string const& _source) +{ + Parser parser; + ASTPointer<SourceUnit> sourceUnit = parser.parse(std::make_shared<Scanner>(CharStream(_source))); + for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes()) + if (ASTPointer<ContractDefinition> contract = dynamic_pointer_cast<ContractDefinition>(node)) + return contract; + BOOST_FAIL("No contract found in source."); + return ASTPointer<ContractDefinition>(); +} + +static void checkFunctionNatspec(ASTPointer<FunctionDefinition> _function, + std::string const& _expectedDoc) +{ + auto doc = _function->getDocumentation(); + BOOST_CHECK_MESSAGE(doc != nullptr, "Function does not have Natspec Doc as expected"); + BOOST_CHECK_EQUAL(*doc, _expectedDoc); +} + +} + + +BOOST_AUTO_TEST_SUITE(SolidityParser) + +BOOST_AUTO_TEST_CASE(smoke_test) +{ + char const* text = "contract test {\n" + " uint256 stateVariable1;\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed."); +} + +BOOST_AUTO_TEST_CASE(missing_variable_name_in_declaration) +{ + char const* text = "contract test {\n" + " uint256 ;\n" + "}\n"; + BOOST_CHECK_THROW(parseText(text), ParserError); +} + +BOOST_AUTO_TEST_CASE(empty_function) +{ + char const* text = "contract test {\n" + " uint256 stateVar;\n" + " function functionName(bytes20 arg1, address addr) constant\n" + " returns (int id)\n" + " { }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed."); +} + +BOOST_AUTO_TEST_CASE(no_function_params) +{ + char const* text = "contract test {\n" + " uint256 stateVar;\n" + " function functionName() {}\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed."); +} + +BOOST_AUTO_TEST_CASE(single_function_param) +{ + char const* text = "contract test {\n" + " uint256 stateVar;\n" + " function functionName(bytes32 input) returns (bytes32 out) {}\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed."); +} + +BOOST_AUTO_TEST_CASE(function_no_body) +{ + char const* text = "contract test {\n" + " function functionName(bytes32 input) returns (bytes32 out);\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed."); +} + +BOOST_AUTO_TEST_CASE(missing_parameter_name_in_named_args) +{ + char const* text = "contract test {\n" + " function a(uint a, uint b, uint c) returns (uint r) { r = a * 100 + b * 10 + c * 1; }\n" + " function b() returns (uint r) { r = a({: 1, : 2, : 3}); }\n" + "}\n"; + BOOST_CHECK_THROW(parseText(text), ParserError); +} + +BOOST_AUTO_TEST_CASE(missing_argument_in_named_args) +{ + char const* text = "contract test {\n" + " function a(uint a, uint b, uint c) returns (uint r) { r = a * 100 + b * 10 + c * 1; }\n" + " function b() returns (uint r) { r = a({a: , b: , c: }); }\n" + "}\n"; + BOOST_CHECK_THROW(parseText(text), ParserError); +} + +BOOST_AUTO_TEST_CASE(two_exact_functions) +{ + char const* text = R"( + contract test { + function fun(uint a) returns(uint r) { return a; } + function fun(uint a) returns(uint r) { return a; } + } + )"; + // with support of overloaded functions, during parsing, + // we can't determine whether they match exactly, however + // it will throw DeclarationError in following stage. + BOOST_CHECK_NO_THROW(parseText(text)); +} + +BOOST_AUTO_TEST_CASE(overloaded_functions) +{ + char const* text = R"( + contract test { + function fun(uint a) returns(uint r) { return a; } + function fun(uint a, uint b) returns(uint r) { return a + b; } + } + )"; + BOOST_CHECK_NO_THROW(parseText(text)); +} + +BOOST_AUTO_TEST_CASE(function_natspec_documentation) +{ + ASTPointer<ContractDefinition> contract; + ASTPointer<FunctionDefinition> function; + char const* text = "contract test {\n" + " uint256 stateVar;\n" + " /// This is a test function\n" + " function functionName(bytes32 input) returns (bytes32 out) {}\n" + "}\n"; + ETH_TEST_REQUIRE_NO_THROW(contract = parseText(text), "Parsing failed"); + auto functions = contract->getDefinedFunctions(); + ETH_TEST_REQUIRE_NO_THROW(function = functions.at(0), "Failed to retrieve function"); + checkFunctionNatspec(function, "This is a test function"); +} + +BOOST_AUTO_TEST_CASE(function_normal_comments) +{ + ASTPointer<ContractDefinition> contract; + ASTPointer<FunctionDefinition> function; + char const* text = "contract test {\n" + " uint256 stateVar;\n" + " // We won't see this comment\n" + " function functionName(bytes32 input) returns (bytes32 out) {}\n" + "}\n"; + ETH_TEST_REQUIRE_NO_THROW(contract = parseText(text), "Parsing failed"); + auto functions = contract->getDefinedFunctions(); + ETH_TEST_REQUIRE_NO_THROW(function = functions.at(0), "Failed to retrieve function"); + BOOST_CHECK_MESSAGE(function->getDocumentation() == nullptr, + "Should not have gotten a Natspecc comment for this function"); +} + +BOOST_AUTO_TEST_CASE(multiple_functions_natspec_documentation) +{ + ASTPointer<ContractDefinition> contract; + ASTPointer<FunctionDefinition> function; + char const* text = "contract test {\n" + " uint256 stateVar;\n" + " /// This is test function 1\n" + " function functionName1(bytes32 input) returns (bytes32 out) {}\n" + " /// This is test function 2\n" + " function functionName2(bytes32 input) returns (bytes32 out) {}\n" + " // nothing to see here\n" + " function functionName3(bytes32 input) returns (bytes32 out) {}\n" + " /// This is test function 4\n" + " function functionName4(bytes32 input) returns (bytes32 out) {}\n" + "}\n"; + ETH_TEST_REQUIRE_NO_THROW(contract = parseText(text), "Parsing failed"); + auto functions = contract->getDefinedFunctions(); + + ETH_TEST_REQUIRE_NO_THROW(function = functions.at(0), "Failed to retrieve function"); + checkFunctionNatspec(function, "This is test function 1"); + + ETH_TEST_REQUIRE_NO_THROW(function = functions.at(1), "Failed to retrieve function"); + checkFunctionNatspec(function, "This is test function 2"); + + ETH_TEST_REQUIRE_NO_THROW(function = functions.at(2), "Failed to retrieve function"); + BOOST_CHECK_MESSAGE(function->getDocumentation() == nullptr, + "Should not have gotten natspec comment for functionName3()"); + + ETH_TEST_REQUIRE_NO_THROW(function = functions.at(3), "Failed to retrieve function"); + checkFunctionNatspec(function, "This is test function 4"); +} + +BOOST_AUTO_TEST_CASE(multiline_function_documentation) +{ + ASTPointer<ContractDefinition> contract; + ASTPointer<FunctionDefinition> function; + char const* text = "contract test {\n" + " uint256 stateVar;\n" + " /// This is a test function\n" + " /// and it has 2 lines\n" + " function functionName1(bytes32 input) returns (bytes32 out) {}\n" + "}\n"; + ETH_TEST_REQUIRE_NO_THROW(contract = parseText(text), "Parsing failed"); + auto functions = contract->getDefinedFunctions(); + + ETH_TEST_REQUIRE_NO_THROW(function = functions.at(0), "Failed to retrieve function"); + checkFunctionNatspec(function, "This is a test function\n" + " and it has 2 lines"); +} + +BOOST_AUTO_TEST_CASE(natspec_comment_in_function_body) +{ + ASTPointer<ContractDefinition> contract; + ASTPointer<FunctionDefinition> function; + char const* text = "contract test {\n" + " /// fun1 description\n" + " function fun1(uint256 a) {\n" + " var b;\n" + " /// I should not interfere with actual natspec comments\n" + " uint256 c;\n" + " mapping(address=>bytes32) d;\n" + " bytes7 name = \"Solidity\";" + " }\n" + " /// This is a test function\n" + " /// and it has 2 lines\n" + " function fun(bytes32 input) returns (bytes32 out) {}\n" + "}\n"; + ETH_TEST_REQUIRE_NO_THROW(contract = parseText(text), "Parsing failed"); + auto functions = contract->getDefinedFunctions(); + + ETH_TEST_REQUIRE_NO_THROW(function = functions.at(0), "Failed to retrieve function"); + checkFunctionNatspec(function, "fun1 description"); + + ETH_TEST_REQUIRE_NO_THROW(function = functions.at(1), "Failed to retrieve function"); + checkFunctionNatspec(function, "This is a test function\n" + " and it has 2 lines"); +} + +BOOST_AUTO_TEST_CASE(natspec_docstring_between_keyword_and_signature) +{ + ASTPointer<ContractDefinition> contract; + ASTPointer<FunctionDefinition> function; + char const* text = "contract test {\n" + " uint256 stateVar;\n" + " function ///I am in the wrong place \n" + " fun1(uint256 a) {\n" + " var b;\n" + " /// I should not interfere with actual natspec comments\n" + " uint256 c;\n" + " mapping(address=>bytes32) d;\n" + " bytes7 name = \"Solidity\";" + " }\n" + "}\n"; + ETH_TEST_REQUIRE_NO_THROW(contract = parseText(text), "Parsing failed"); + auto functions = contract->getDefinedFunctions(); + + ETH_TEST_REQUIRE_NO_THROW(function = functions.at(0), "Failed to retrieve function"); + BOOST_CHECK_MESSAGE(!function->getDocumentation(), + "Shouldn't get natspec docstring for this function"); +} + +BOOST_AUTO_TEST_CASE(natspec_docstring_after_signature) +{ + ASTPointer<ContractDefinition> contract; + ASTPointer<FunctionDefinition> function; + char const* text = "contract test {\n" + " uint256 stateVar;\n" + " function fun1(uint256 a) {\n" + " /// I should have been above the function signature\n" + " var b;\n" + " /// I should not interfere with actual natspec comments\n" + " uint256 c;\n" + " mapping(address=>bytes32) d;\n" + " bytes7 name = \"Solidity\";" + " }\n" + "}\n"; + ETH_TEST_REQUIRE_NO_THROW(contract = parseText(text), "Parsing failed"); + auto functions = contract->getDefinedFunctions(); + + ETH_TEST_REQUIRE_NO_THROW(function = functions.at(0), "Failed to retrieve function"); + BOOST_CHECK_MESSAGE(!function->getDocumentation(), + "Shouldn't get natspec docstring for this function"); +} + +BOOST_AUTO_TEST_CASE(struct_definition) +{ + char const* text = "contract test {\n" + " uint256 stateVar;\n" + " struct MyStructName {\n" + " address addr;\n" + " uint256 count;\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(mapping) +{ + char const* text = "contract test {\n" + " mapping(address => bytes32) names;\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(mapping_in_struct) +{ + char const* text = "contract test {\n" + " struct test_struct {\n" + " address addr;\n" + " uint256 count;\n" + " mapping(bytes32 => test_struct) self_reference;\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(mapping_to_mapping_in_struct) +{ + char const* text = "contract test {\n" + " struct test_struct {\n" + " address addr;\n" + " mapping (uint64 => mapping (bytes32 => uint)) complex_mapping;\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(variable_definition) +{ + char const* text = "contract test {\n" + " function fun(uint256 a) {\n" + " var b;\n" + " uint256 c;\n" + " mapping(address=>bytes32) d;\n" + " customtype varname;\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(variable_definition_with_initialization) +{ + char const* text = "contract test {\n" + " function fun(uint256 a) {\n" + " var b = 2;\n" + " uint256 c = 0x87;\n" + " mapping(address=>bytes32) d;\n" + " bytes7 name = \"Solidity\";" + " customtype varname;\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(variable_definition_in_function_parameter) +{ + char const* text = R"( + contract test { + function fun(var a) {} + } + )"; + BOOST_CHECK_THROW(parseText(text), ParserError); +} + +BOOST_AUTO_TEST_CASE(variable_definition_in_mapping) +{ + char const* text = R"( + contract test { + function fun() { + mapping(var=>bytes32) d; + } + } + )"; + BOOST_CHECK_THROW(parseText(text), ParserError); +} + +BOOST_AUTO_TEST_CASE(variable_definition_in_function_return) +{ + char const* text = R"( + contract test { + function fun() returns(var d) { + return 1; + } + } + )"; + BOOST_CHECK_THROW(parseText(text), ParserError); +} + +BOOST_AUTO_TEST_CASE(operator_expression) +{ + char const* text = "contract test {\n" + " function fun(uint256 a) {\n" + " uint256 x = (1 + 4) || false && (1 - 12) + -9;\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(complex_expression) +{ + char const* text = "contract test {\n" + " function fun(uint256 a) {\n" + " uint256 x = (1 + 4).member(++67)[a/=9] || true;\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(exp_expression) +{ + char const* text = R"( + contract test { + function fun(uint256 a) { + uint256 x = 3 ** a; + } + })"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(while_loop) +{ + char const* text = "contract test {\n" + " function fun(uint256 a) {\n" + " while (true) { uint256 x = 1; break; continue; } x = 9;\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(for_loop_vardef_initexpr) +{ + char const* text = "contract test {\n" + " function fun(uint256 a) {\n" + " for (uint256 i = 0; i < 10; i++)\n" + " { uint256 x = i; break; continue; }\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(for_loop_simple_initexpr) +{ + char const* text = "contract test {\n" + " function fun(uint256 a) {\n" + " uint256 i =0;\n" + " for (i = 0; i < 10; i++)\n" + " { uint256 x = i; break; continue; }\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(for_loop_simple_noexpr) +{ + char const* text = "contract test {\n" + " function fun(uint256 a) {\n" + " uint256 i =0;\n" + " for (;;)\n" + " { uint256 x = i; break; continue; }\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(for_loop_single_stmt_body) +{ + char const* text = "contract test {\n" + " function fun(uint256 a) {\n" + " uint256 i =0;\n" + " for (i = 0; i < 10; i++)\n" + " continue;\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(if_statement) +{ + char const* text = "contract test {\n" + " function fun(uint256 a) {\n" + " if (a >= 8) return 2; else { var b = 7; }\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(else_if_statement) +{ + char const* text = "contract test {\n" + " function fun(uint256 a) returns (address b) {\n" + " if (a < 0) b = 0x67; else if (a == 0) b = 0x12; else b = 0x78;\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(statement_starting_with_type_conversion) +{ + char const* text = "contract test {\n" + " function fun() {\n" + " uint64(2);\n" + " uint64[7](3);\n" + " uint64[](3);\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(type_conversion_to_dynamic_array) +{ + char const* text = "contract test {\n" + " function fun() {\n" + " var x = uint64[](3);\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(import_directive) +{ + char const* text = "import \"abc\";\n" + "contract test {\n" + " function fun() {\n" + " uint64(2);\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(multiple_contracts) +{ + char const* text = "contract test {\n" + " function fun() {\n" + " uint64(2);\n" + " }\n" + "}\n" + "contract test2 {\n" + " function fun() {\n" + " uint64(2);\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(multiple_contracts_and_imports) +{ + char const* text = "import \"abc\";\n" + "contract test {\n" + " function fun() {\n" + " uint64(2);\n" + " }\n" + "}\n" + "import \"def\";\n" + "contract test2 {\n" + " function fun() {\n" + " uint64(2);\n" + " }\n" + "}\n" + "import \"ghi\";\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(contract_inheritance) +{ + char const* text = "contract base {\n" + " function fun() {\n" + " uint64(2);\n" + " }\n" + "}\n" + "contract derived is base {\n" + " function fun() {\n" + " uint64(2);\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(contract_multiple_inheritance) +{ + char const* text = "contract base {\n" + " function fun() {\n" + " uint64(2);\n" + " }\n" + "}\n" + "contract derived is base, nonExisting {\n" + " function fun() {\n" + " uint64(2);\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(contract_multiple_inheritance_with_arguments) +{ + char const* text = "contract base {\n" + " function fun() {\n" + " uint64(2);\n" + " }\n" + "}\n" + "contract derived is base(2), nonExisting(\"abc\", \"def\", base.fun()) {\n" + " function fun() {\n" + " uint64(2);\n" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(placeholder_in_function_context) +{ + char const* text = "contract c {\n" + " function fun() returns (uint r) {\n" + " var _ = 8;\n" + " return _ + 1;" + " }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(modifier) +{ + char const* text = "contract c {\n" + " modifier mod { if (msg.sender == 0) _ }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(modifier_arguments) +{ + char const* text = "contract c {\n" + " modifier mod(uint a) { if (msg.sender == a) _ }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(modifier_invocation) +{ + char const* text = "contract c {\n" + " modifier mod1(uint a) { if (msg.sender == a) _ }\n" + " modifier mod2 { if (msg.sender == 2) _ }\n" + " function f() mod1(7) mod2 { }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(fallback_function) +{ + char const* text = "contract c {\n" + " function() { }\n" + "}\n"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(event) +{ + char const* text = R"( + contract c { + event e(); + })"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(event_arguments) +{ + char const* text = R"( + contract c { + event e(uint a, bytes32 s); + })"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(event_arguments_indexed) +{ + char const* text = R"( + contract c { + event e(uint a, bytes32 indexed s, bool indexed b); + })"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(visibility_specifiers) +{ + char const* text = R"( + contract c { + uint private a; + uint internal b; + uint public c; + uint d; + function f() {} + function f_priv() private {} + function f_public() public {} + function f_internal() internal {} + })"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(multiple_visibility_specifiers) +{ + char const* text = R"( + contract c { + uint private internal a; + })"; + BOOST_CHECK_THROW(parseText(text), ParserError); +} + +BOOST_AUTO_TEST_CASE(literal_constants_with_ether_subdenominations) +{ + char const* text = R"( + contract c { + function c () + { + a = 1 wei; + b = 2 szabo; + c = 3 finney; + b = 4 ether; + } + uint256 a; + uint256 b; + uint256 c; + uint256 d; + })"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(literal_constants_with_ether_subdenominations_in_expressions) +{ + char const* text = R"( + contract c { + function c () + { + a = 1 wei * 100 wei + 7 szabo - 3; + } + uint256 a; + })"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(enum_valid_declaration) +{ + char const* text = R"( + contract c { + enum validEnum { Value1, Value2, Value3, Value4 } + function c () + { + a = foo.Value3; + } + uint256 a; + })"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(empty_enum_declaration) +{ + char const* text = R"( + contract c { + enum foo { } + })"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(malformed_enum_declaration) +{ + char const* text = R"( + contract c { + enum foo { WARNING,} + })"; + BOOST_CHECK_THROW(parseText(text), ParserError); +} + +BOOST_AUTO_TEST_CASE(external_function) +{ + char const* text = R"( + contract c { + function x() external {} + })"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(external_variable) +{ + char const* text = R"( + contract c { + uint external x; + })"; + BOOST_CHECK_THROW(parseText(text), ParserError); +} + +BOOST_AUTO_TEST_CASE(arrays_in_storage) +{ + char const* text = R"( + contract c { + uint[10] a; + uint[] a2; + struct x { uint[2**20] b; y[0] c; } + struct y { uint d; mapping(uint=>x)[] e; } + })"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(arrays_in_events) +{ + char const* text = R"( + contract c { + event e(uint[10] a, bytes7[8] indexed b, c[3] x); + })"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(arrays_in_expressions) +{ + char const* text = R"( + contract c { + function f() { c[10] a = 7; uint8[10 * 2] x; } + })"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(multi_arrays) +{ + char const* text = R"( + contract c { + mapping(uint => mapping(uint => int8)[8][][9])[] x; + })"; + ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed"); +} + +BOOST_AUTO_TEST_CASE(constant_is_keyword) +{ + char const* text = R"( + contract Foo { + uint constant = 4; + })"; + BOOST_CHECK_THROW(parseText(text), ParserError); +} + +BOOST_AUTO_TEST_CASE(var_array) +{ + char const* text = R"( + contract Foo { + function f() { var[] a; } + })"; + BOOST_CHECK_THROW(parseText(text), ParserError); +} + +BOOST_AUTO_TEST_CASE(location_specifiers_for_params) +{ + char const* text = R"( + contract Foo { + function f(uint[] storage constant x, uint[] memory y) { } + } + )"; + BOOST_CHECK_NO_THROW(parseText(text)); +} + +BOOST_AUTO_TEST_CASE(location_specifiers_for_locals) +{ + char const* text = R"( + contract Foo { + function f() { + uint[] storage x; + uint[] memory y; + } + } + )"; + BOOST_CHECK_NO_THROW(parseText(text)); +} + +BOOST_AUTO_TEST_CASE(location_specifiers_for_state) +{ + char const* text = R"( + contract Foo { + uint[] memory x; + })"; + BOOST_CHECK_THROW(parseText(text), ParserError); +} + +BOOST_AUTO_TEST_CASE(location_specifiers_with_var) +{ + char const* text = R"( + contract Foo { + function f() { var memory x; } + })"; + BOOST_CHECK_THROW(parseText(text), ParserError); +} + +BOOST_AUTO_TEST_SUITE_END() + +} +} +} // end namespaces diff --git a/test/libsolidity/SolidityScanner.cpp b/test/libsolidity/SolidityScanner.cpp new file mode 100644 index 00000000..8d3e5392 --- /dev/null +++ b/test/libsolidity/SolidityScanner.cpp @@ -0,0 +1,288 @@ +/* + 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/>. +*/ +/** + * @author Christian <c@ethdev.com> + * @date 2014 + * Unit tests for the solidity scanner. + */ + +#include <libsolidity/Scanner.h> +#include <boost/test/unit_test.hpp> + +namespace dev +{ +namespace solidity +{ +namespace test +{ + +BOOST_AUTO_TEST_SUITE(SolidityScanner) + +BOOST_AUTO_TEST_CASE(test_empty) +{ + Scanner scanner(CharStream("")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::EOS); +} + +BOOST_AUTO_TEST_CASE(smoke_test) +{ + Scanner scanner(CharStream("function break;765 \t \"string1\",'string2'\nidentifier1")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Function); + BOOST_CHECK_EQUAL(scanner.next(), Token::Break); + BOOST_CHECK_EQUAL(scanner.next(), Token::Semicolon); + BOOST_CHECK_EQUAL(scanner.next(), Token::Number); + BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "765"); + BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral); + BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "string1"); + BOOST_CHECK_EQUAL(scanner.next(), Token::Comma); + BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral); + BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "string2"); + BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "identifier1"); + BOOST_CHECK_EQUAL(scanner.next(), Token::EOS); +} + +BOOST_AUTO_TEST_CASE(string_escapes) +{ + Scanner scanner(CharStream(" { \"a\\x61\"")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::LBrace); + BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral); + BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "aa"); +} + +BOOST_AUTO_TEST_CASE(string_escapes_with_zero) +{ + Scanner scanner(CharStream(" { \"a\\x61\\x00abc\"")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::LBrace); + BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral); + BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), std::string("aa\0abc", 6)); +} + +BOOST_AUTO_TEST_CASE(string_escape_illegal) +{ + Scanner scanner(CharStream(" bla \"\\x6rf\" (illegalescape)")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal); + BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), ""); + // TODO recovery from illegal tokens should be improved + BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal); + BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal); + BOOST_CHECK_EQUAL(scanner.next(), Token::EOS); +} + +BOOST_AUTO_TEST_CASE(hex_numbers) +{ + Scanner scanner(CharStream("var x = 0x765432536763762734623472346;")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Var); + BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.next(), Token::Assign); + BOOST_CHECK_EQUAL(scanner.next(), Token::Number); + BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "0x765432536763762734623472346"); + BOOST_CHECK_EQUAL(scanner.next(), Token::Semicolon); + BOOST_CHECK_EQUAL(scanner.next(), Token::EOS); +} + +BOOST_AUTO_TEST_CASE(negative_numbers) +{ + Scanner scanner(CharStream("var x = -.2 + -0x78 + -7.3 + 8.9;")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Var); + BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.next(), Token::Assign); + BOOST_CHECK_EQUAL(scanner.next(), Token::Sub); + BOOST_CHECK_EQUAL(scanner.next(), Token::Number); + BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), ".2"); + BOOST_CHECK_EQUAL(scanner.next(), Token::Add); + BOOST_CHECK_EQUAL(scanner.next(), Token::Sub); + BOOST_CHECK_EQUAL(scanner.next(), Token::Number); + BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "0x78"); + BOOST_CHECK_EQUAL(scanner.next(), Token::Add); + BOOST_CHECK_EQUAL(scanner.next(), Token::Sub); + BOOST_CHECK_EQUAL(scanner.next(), Token::Number); + BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "7.3"); + BOOST_CHECK_EQUAL(scanner.next(), Token::Add); + BOOST_CHECK_EQUAL(scanner.next(), Token::Number); + BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "8.9"); + BOOST_CHECK_EQUAL(scanner.next(), Token::Semicolon); + BOOST_CHECK_EQUAL(scanner.next(), Token::EOS); +} + +BOOST_AUTO_TEST_CASE(locations) +{ + Scanner scanner(CharStream("function_identifier has ; -0x743/*comment*/\n ident //comment")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.getCurrentLocation().start, 0); + BOOST_CHECK_EQUAL(scanner.getCurrentLocation().end, 19); + BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.getCurrentLocation().start, 20); + BOOST_CHECK_EQUAL(scanner.getCurrentLocation().end, 23); + BOOST_CHECK_EQUAL(scanner.next(), Token::Semicolon); + BOOST_CHECK_EQUAL(scanner.getCurrentLocation().start, 24); + BOOST_CHECK_EQUAL(scanner.getCurrentLocation().end, 25); + BOOST_CHECK_EQUAL(scanner.next(), Token::Sub); + BOOST_CHECK_EQUAL(scanner.next(), Token::Number); + BOOST_CHECK_EQUAL(scanner.getCurrentLocation().start, 27); + BOOST_CHECK_EQUAL(scanner.getCurrentLocation().end, 32); + BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.getCurrentLocation().start, 45); + BOOST_CHECK_EQUAL(scanner.getCurrentLocation().end, 50); + BOOST_CHECK_EQUAL(scanner.next(), Token::EOS); +} + +BOOST_AUTO_TEST_CASE(ambiguities) +{ + // test scanning of some operators which need look-ahead + Scanner scanner(CharStream("<=""<""+ +=a++ =>""<<")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::LessThanOrEqual); + BOOST_CHECK_EQUAL(scanner.next(), Token::LessThan); + BOOST_CHECK_EQUAL(scanner.next(), Token::Add); + BOOST_CHECK_EQUAL(scanner.next(), Token::AssignAdd); + BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.next(), Token::Inc); + BOOST_CHECK_EQUAL(scanner.next(), Token::Arrow); + BOOST_CHECK_EQUAL(scanner.next(), Token::SHL); +} + +BOOST_AUTO_TEST_CASE(documentation_comments_parsed_begin) +{ + Scanner scanner(CharStream("/// Send $(value / 1000) chocolates to the user")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::EOS); + BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "Send $(value / 1000) chocolates to the user"); +} + +BOOST_AUTO_TEST_CASE(multiline_documentation_comments_parsed_begin) +{ + Scanner scanner(CharStream("/** Send $(value / 1000) chocolates to the user*/")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::EOS); + BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "Send $(value / 1000) chocolates to the user"); +} + +BOOST_AUTO_TEST_CASE(documentation_comments_parsed) +{ + Scanner scanner(CharStream("some other tokens /// Send $(value / 1000) chocolates to the user")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.next(), Token::EOS); + BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "Send $(value / 1000) chocolates to the user"); +} + +BOOST_AUTO_TEST_CASE(multiline_documentation_comments_parsed) +{ + Scanner scanner(CharStream("some other tokens /**\n" + "* Send $(value / 1000) chocolates to the user\n" + "*/")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.next(), Token::EOS); + BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "Send $(value / 1000) chocolates to the user"); +} + +BOOST_AUTO_TEST_CASE(multiline_documentation_no_stars) +{ + Scanner scanner(CharStream("some other tokens /**\n" + " Send $(value / 1000) chocolates to the user\n" + "*/")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.next(), Token::EOS); + BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "Send $(value / 1000) chocolates to the user"); +} + +BOOST_AUTO_TEST_CASE(multiline_documentation_whitespace_hell) +{ + Scanner scanner(CharStream("some other tokens /** \t \r \n" + "\t \r * Send $(value / 1000) chocolates to the user\n" + "*/")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.next(), Token::EOS); + BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "Send $(value / 1000) chocolates to the user"); +} + +BOOST_AUTO_TEST_CASE(comment_before_eos) +{ + Scanner scanner(CharStream("//")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::EOS); + BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), ""); +} + +BOOST_AUTO_TEST_CASE(documentation_comment_before_eos) +{ + Scanner scanner(CharStream("///")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::EOS); + BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), ""); +} + +BOOST_AUTO_TEST_CASE(empty_multiline_comment) +{ + Scanner scanner(CharStream("/**/")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::EOS); + BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), ""); +} + +BOOST_AUTO_TEST_CASE(empty_multiline_documentation_comment_before_eos) +{ + Scanner scanner(CharStream("/***/")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::EOS); + BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), ""); +} + +BOOST_AUTO_TEST_CASE(comments_mixed_in_sequence) +{ + Scanner scanner(CharStream("hello_world ///documentation comment \n" + "//simple comment \n" + "<<")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Identifier); + BOOST_CHECK_EQUAL(scanner.next(), Token::SHL); + BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "documentation comment "); +} + +BOOST_AUTO_TEST_CASE(ether_subdenominations) +{ + Scanner scanner(CharStream("wei szabo finney ether")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::SubWei); + BOOST_CHECK_EQUAL(scanner.next(), Token::SubSzabo); + BOOST_CHECK_EQUAL(scanner.next(), Token::SubFinney); + BOOST_CHECK_EQUAL(scanner.next(), Token::SubEther); +} + +BOOST_AUTO_TEST_CASE(time_subdenominations) +{ + Scanner scanner(CharStream("seconds minutes hours days weeks years")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::SubSecond); + BOOST_CHECK_EQUAL(scanner.next(), Token::SubMinute); + BOOST_CHECK_EQUAL(scanner.next(), Token::SubHour); + BOOST_CHECK_EQUAL(scanner.next(), Token::SubDay); + BOOST_CHECK_EQUAL(scanner.next(), Token::SubWeek); + BOOST_CHECK_EQUAL(scanner.next(), Token::SubYear); +} + +BOOST_AUTO_TEST_CASE(time_after) +{ + Scanner scanner(CharStream("after 1")); + BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::After); +} + +BOOST_AUTO_TEST_SUITE_END() + +} +} +} // end namespaces diff --git a/test/libsolidity/SolidityTypes.cpp b/test/libsolidity/SolidityTypes.cpp new file mode 100644 index 00000000..7892de67 --- /dev/null +++ b/test/libsolidity/SolidityTypes.cpp @@ -0,0 +1,93 @@ +/* + 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/>. +*/ +/** + * @author Christian <c@ethdev.com> + * @date 2015 + * Unit tests for the type system of Solidity. + */ + +#include <libsolidity/Types.h> +#include <boost/test/unit_test.hpp> + +using namespace std; + +namespace dev +{ +namespace solidity +{ +namespace test +{ + +BOOST_AUTO_TEST_SUITE(SolidityTypes) + +BOOST_AUTO_TEST_CASE(storage_layout_simple) +{ + MemberList members(MemberList::MemberMap({ + {string("first"), Type::fromElementaryTypeName("uint128")}, + {string("second"), Type::fromElementaryTypeName("uint120")}, + {string("wraps"), Type::fromElementaryTypeName("uint16")} + })); + BOOST_REQUIRE_EQUAL(u256(2), members.getStorageSize()); + BOOST_REQUIRE(members.getMemberStorageOffset("first") != nullptr); + BOOST_REQUIRE(members.getMemberStorageOffset("second") != nullptr); + BOOST_REQUIRE(members.getMemberStorageOffset("wraps") != nullptr); + BOOST_CHECK(*members.getMemberStorageOffset("first") == make_pair(u256(0), unsigned(0))); + BOOST_CHECK(*members.getMemberStorageOffset("second") == make_pair(u256(0), unsigned(16))); + BOOST_CHECK(*members.getMemberStorageOffset("wraps") == make_pair(u256(1), unsigned(0))); +} + +BOOST_AUTO_TEST_CASE(storage_layout_mapping) +{ + MemberList members(MemberList::MemberMap({ + {string("first"), Type::fromElementaryTypeName("uint128")}, + {string("second"), make_shared<MappingType>( + Type::fromElementaryTypeName("uint8"), + Type::fromElementaryTypeName("uint8") + )}, + {string("third"), Type::fromElementaryTypeName("uint16")}, + {string("final"), make_shared<MappingType>( + Type::fromElementaryTypeName("uint8"), + Type::fromElementaryTypeName("uint8") + )}, + })); + BOOST_REQUIRE_EQUAL(u256(4), members.getStorageSize()); + BOOST_REQUIRE(members.getMemberStorageOffset("first") != nullptr); + BOOST_REQUIRE(members.getMemberStorageOffset("second") != nullptr); + BOOST_REQUIRE(members.getMemberStorageOffset("third") != nullptr); + BOOST_REQUIRE(members.getMemberStorageOffset("final") != nullptr); + BOOST_CHECK(*members.getMemberStorageOffset("first") == make_pair(u256(0), unsigned(0))); + BOOST_CHECK(*members.getMemberStorageOffset("second") == make_pair(u256(1), unsigned(0))); + BOOST_CHECK(*members.getMemberStorageOffset("third") == make_pair(u256(2), unsigned(0))); + BOOST_CHECK(*members.getMemberStorageOffset("final") == make_pair(u256(3), unsigned(0))); +} + +BOOST_AUTO_TEST_CASE(storage_layout_arrays) +{ + BOOST_CHECK(ArrayType(DataLocation::Storage, make_shared<FixedBytesType>(1), 32).getStorageSize() == 1); + BOOST_CHECK(ArrayType(DataLocation::Storage, make_shared<FixedBytesType>(1), 33).getStorageSize() == 2); + BOOST_CHECK(ArrayType(DataLocation::Storage, make_shared<FixedBytesType>(2), 31).getStorageSize() == 2); + BOOST_CHECK(ArrayType(DataLocation::Storage, make_shared<FixedBytesType>(7), 8).getStorageSize() == 2); + BOOST_CHECK(ArrayType(DataLocation::Storage, make_shared<FixedBytesType>(7), 9).getStorageSize() == 3); + BOOST_CHECK(ArrayType(DataLocation::Storage, make_shared<FixedBytesType>(31), 9).getStorageSize() == 9); + BOOST_CHECK(ArrayType(DataLocation::Storage, make_shared<FixedBytesType>(32), 9).getStorageSize() == 9); +} + +BOOST_AUTO_TEST_SUITE_END() + +} +} +} diff --git a/test/libsolidity/solidityExecutionFramework.h b/test/libsolidity/solidityExecutionFramework.h new file mode 100644 index 00000000..05f93bb6 --- /dev/null +++ b/test/libsolidity/solidityExecutionFramework.h @@ -0,0 +1,310 @@ +/* + 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/>. +*/ +/** + * @author Christian <c@ethdev.com> + * @date 2014 + * Framework for executing Solidity contracts and testing them against C++ implementation. + */ + +#pragma once + +#include <string> +#include <tuple> +#include "../TestHelper.h" +#include <libethcore/ABI.h> +#include <libethereum/State.h> +#include <libethereum/Executive.h> +#include <libsolidity/CompilerStack.h> +#include <libsolidity/Exceptions.h> + +namespace dev +{ + +namespace solidity +{ +namespace test +{ + +class ExecutionFramework +{ +public: + ExecutionFramework() + { + if (g_logVerbosity != -1) + g_logVerbosity = 0; + //m_state.resetCurrent(); + } + + bytes const& compileAndRunWithoutCheck( + std::string const& _sourceCode, + u256 const& _value = 0, + std::string const& _contractName = "", + bytes const& _arguments = bytes() + ) + { + m_compiler.reset(false, m_addStandardSources); + m_compiler.addSource("", _sourceCode); + ETH_TEST_REQUIRE_NO_THROW(m_compiler.compile(m_optimize, m_optimizeRuns), "Compiling contract failed"); + bytes code = m_compiler.getBytecode(_contractName); + sendMessage(code + _arguments, true, _value); + return m_output; + } + + template <class Exceptiontype> + void compileRequireThrow(std::string const& _sourceCode) + { + m_compiler.reset(false, m_addStandardSources); + m_compiler.addSource("", _sourceCode); + BOOST_REQUIRE_THROW(m_compiler.compile(m_optimize, m_optimizeRuns), Exceptiontype); + } + + bytes const& compileAndRun( + std::string const& _sourceCode, + u256 const& _value = 0, + std::string const& _contractName = "", + bytes const& _arguments = bytes() + ) + { + compileAndRunWithoutCheck(_sourceCode, _value, _contractName, _arguments); + BOOST_REQUIRE(!m_output.empty()); + return m_output; + } + + template <class... Args> + bytes const& callContractFunctionWithValue(std::string _sig, u256 const& _value, Args const&... _arguments) + { + FixedHash<4> hash(dev::sha3(_sig)); + sendMessage(hash.asBytes() + encodeArgs(_arguments...), false, _value); + return m_output; + } + + template <class... Args> + bytes const& callContractFunction(std::string _sig, Args const&... _arguments) + { + return callContractFunctionWithValue(_sig, 0, _arguments...); + } + + template <class CppFunction, class... Args> + void testSolidityAgainstCpp(std::string _sig, CppFunction const& _cppFunction, Args const&... _arguments) + { + bytes solidityResult = callContractFunction(_sig, _arguments...); + bytes cppResult = callCppAndEncodeResult(_cppFunction, _arguments...); + BOOST_CHECK_MESSAGE( + solidityResult == cppResult, + "Computed values do not match.\nSolidity: " + + toHex(solidityResult) + + "\nC++: " + + toHex(cppResult)); + } + + template <class CppFunction, class... Args> + void testSolidityAgainstCppOnRange(std::string _sig, CppFunction const& _cppFunction, u256 const& _rangeStart, u256 const& _rangeEnd) + { + for (u256 argument = _rangeStart; argument < _rangeEnd; ++argument) + { + bytes solidityResult = callContractFunction(_sig, argument); + bytes cppResult = callCppAndEncodeResult(_cppFunction, argument); + BOOST_CHECK_MESSAGE( + solidityResult == cppResult, + "Computed values do not match.\nSolidity: " + + toHex(solidityResult) + + "\nC++: " + + toHex(cppResult) + + "\nArgument: " + + toHex(encode(argument)) + ); + } + } + + static bytes encode(bool _value) { return encode(byte(_value)); } + static bytes encode(int _value) { return encode(u256(_value)); } + static bytes encode(size_t _value) { return encode(u256(_value)); } + static bytes encode(char const* _value) { return encode(std::string(_value)); } + static bytes encode(byte _value) { return bytes(31, 0) + bytes{_value}; } + static bytes encode(u256 const& _value) { return toBigEndian(_value); } + static bytes encode(h256 const& _value) { return _value.asBytes(); } + static bytes encode(bytes const& _value, bool _padLeft = true) + { + bytes padding = bytes((32 - _value.size() % 32) % 32, 0); + return _padLeft ? padding + _value : _value + padding; + } + static bytes encode(std::string const& _value) { return encode(asBytes(_value), false); } + template <class _T> + static bytes encode(std::vector<_T> const& _value) + { + bytes ret; + for (auto const& v: _value) + ret += encode(v); + return ret; + } + + template <class FirstArg, class... Args> + static bytes encodeArgs(FirstArg const& _firstArg, Args const&... _followingArgs) + { + return encode(_firstArg) + encodeArgs(_followingArgs...); + } + static bytes encodeArgs() + { + return bytes(); + } + //@todo might be extended in the future + template <class Arg> + static bytes encodeDyn(Arg const& _arg) + { + return encodeArgs(u256(0x20), u256(_arg.size()), _arg); + } + + class ContractInterface + { + public: + ContractInterface(ExecutionFramework& _framework): m_framework(_framework) {} + + void setNextValue(u256 const& _value) { m_nextValue = _value; } + + protected: + template <class... Args> + bytes const& call(std::string const& _sig, Args const&... _arguments) + { + auto const& ret = m_framework.callContractFunctionWithValue(_sig, m_nextValue, _arguments...); + m_nextValue = 0; + return ret; + } + + void callString(std::string const& _name, std::string const& _arg) + { + BOOST_CHECK(call(_name + "(string)", u256(0x20), _arg.length(), _arg).empty()); + } + + void callStringAddress(std::string const& _name, std::string const& _arg1, u160 const& _arg2) + { + BOOST_CHECK(call(_name + "(string,address)", u256(0x40), _arg2, _arg1.length(), _arg1).empty()); + } + + void callStringAddressBool(std::string const& _name, std::string const& _arg1, u160 const& _arg2, bool _arg3) + { + BOOST_CHECK(call(_name + "(string,address,bool)", u256(0x60), _arg2, _arg3, _arg1.length(), _arg1).empty()); + } + + void callStringBytes32(std::string const& _name, std::string const& _arg1, h256 const& _arg2) + { + BOOST_CHECK(call(_name + "(string,bytes32)", u256(0x40), _arg2, _arg1.length(), _arg1).empty()); + } + + u160 callStringReturnsAddress(std::string const& _name, std::string const& _arg) + { + bytes const& ret = call(_name + "(string)", u256(0x20), _arg.length(), _arg); + BOOST_REQUIRE(ret.size() == 0x20); + BOOST_CHECK(std::count(ret.begin(), ret.begin() + 12, 0) == 12); + return eth::abiOut<u160>(ret); + } + + std::string callAddressReturnsString(std::string const& _name, u160 const& _arg) + { + bytesConstRef ret = ref(call(_name + "(address)", _arg)); + BOOST_REQUIRE(ret.size() >= 0x20); + u256 offset = eth::abiOut<u256>(ret); + BOOST_REQUIRE_EQUAL(offset, 0x20); + u256 len = eth::abiOut<u256>(ret); + BOOST_REQUIRE_EQUAL(ret.size(), ((len + 0x1f) / 0x20) * 0x20); + return ret.cropped(0, size_t(len)).toString(); + } + + h256 callStringReturnsBytes32(std::string const& _name, std::string const& _arg) + { + bytes const& ret = call(_name + "(string)", u256(0x20), _arg.length(), _arg); + BOOST_REQUIRE(ret.size() == 0x20); + return eth::abiOut<h256>(ret); + } + + private: + u256 m_nextValue; + ExecutionFramework& m_framework; + }; + +private: + template <class CppFunction, class... Args> + auto callCppAndEncodeResult(CppFunction const& _cppFunction, Args const&... _arguments) + -> typename std::enable_if<std::is_void<decltype(_cppFunction(_arguments...))>::value, bytes>::type + { + _cppFunction(_arguments...); + return bytes(); + } + template <class CppFunction, class... Args> + auto callCppAndEncodeResult(CppFunction const& _cppFunction, Args const&... _arguments) + -> typename std::enable_if<!std::is_void<decltype(_cppFunction(_arguments...))>::value, bytes>::type + { + return encode(_cppFunction(_arguments...)); + } + +protected: + void sendMessage(bytes const& _data, bool _isCreation, u256 const& _value = 0) + { + m_state.addBalance(m_sender, _value); // just in case + eth::Executive executive(m_state, m_envInfo, 0); + eth::ExecutionResult res; + executive.setResultRecipient(res); + eth::Transaction t = + _isCreation ? + eth::Transaction(_value, m_gasPrice, m_gas, _data, 0, KeyPair::create().sec()) : + eth::Transaction(_value, m_gasPrice, m_gas, m_contractAddress, _data, 0, KeyPair::create().sec()); + bytes transactionRLP = t.rlp(); + try + { + // this will throw since the transaction is invalid, but it should nevertheless store the transaction + executive.initialize(&transactionRLP); + executive.execute(); + } + catch (...) {} + if (_isCreation) + { + BOOST_REQUIRE(!executive.create(m_sender, _value, m_gasPrice, m_gas, &_data, m_sender)); + m_contractAddress = executive.newAddress(); + BOOST_REQUIRE(m_contractAddress); + BOOST_REQUIRE(m_state.addressHasCode(m_contractAddress)); + } + else + { + BOOST_REQUIRE(m_state.addressHasCode(m_contractAddress)); + BOOST_REQUIRE(!executive.call(m_contractAddress, m_sender, _value, m_gasPrice, &_data, m_gas)); + } + BOOST_REQUIRE(executive.go(/* DEBUG eth::Executive::simpleTrace() */)); + m_state.noteSending(m_sender); + executive.finalize(); + m_gasUsed = res.gasUsed; + m_output = std::move(res.output); + m_logs = executive.logs(); + } + + size_t m_optimizeRuns = 200; + bool m_optimize = false; + bool m_addStandardSources = false; + dev::solidity::CompilerStack m_compiler; + Address m_sender; + Address m_contractAddress; + eth::EnvInfo m_envInfo; + eth::State m_state; + u256 const m_gasPrice = 100 * eth::szabo; + u256 const m_gas = 100000000; + bytes m_output; + eth::LogEntries m_logs; + u256 m_gasUsed; +}; + +} +} +} // end namespaces + |