solidity/TestHelper.cpp
2015-03-12 09:16:32 +01:00

568 lines
17 KiB
C++

/*
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 <boost/filesystem/path.hpp>
#include <libethereum/Client.h>
#include <liblll/Compiler.h>
#include <libevm/VMFactory.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
}
}
namespace test
{
struct ValueTooLarge: virtual Exception {};
bigint const c_max256plus1 = bigint(1) << 256;
ImportTest::ImportTest(json_spirit::mObject& _o, bool isFiller) : m_statePre(Address(_o["env"].get_obj()["currentCoinbase"].get_str()), OverlayDB(), eth::BaseState::Empty), m_statePost(Address(_o["env"].get_obj()["currentCoinbase"].get_str()), OverlayDB(), eth::BaseState::Empty), m_TestObject(_o)
{
importEnv(_o["env"].get_obj());
importState(_o["pre"].get_obj(), m_statePre);
importTransaction(_o["transaction"].get_obj());
if (!isFiller)
{
importState(_o["post"].get_obj(), m_statePost);
m_environment.sub.logs = importLog(_o["logs"].get_array());
}
}
void ImportTest::importEnv(json_spirit::mObject& _o)
{
assert(_o.count("previousHash") > 0);
assert(_o.count("currentGasLimit") > 0);
assert(_o.count("currentDifficulty") > 0);
assert(_o.count("currentTimestamp") > 0);
assert(_o.count("currentCoinbase") > 0);
assert(_o.count("currentNumber") > 0);
m_environment.previousBlock.hash = h256(_o["previousHash"].get_str());
m_environment.currentBlock.number = toInt(_o["currentNumber"]);
m_environment.currentBlock.gasLimit = toInt(_o["currentGasLimit"]);
m_environment.currentBlock.difficulty = toInt(_o["currentDifficulty"]);
m_environment.currentBlock.timestamp = toInt(_o["currentTimestamp"]);
m_environment.currentBlock.coinbaseAddress = Address(_o["currentCoinbase"].get_str());
m_statePre.m_previousBlock = m_environment.previousBlock;
m_statePre.m_currentBlock = m_environment.currentBlock;
}
void ImportTest::importState(json_spirit::mObject& _o, State& _state)
{
for (auto& i: _o)
{
json_spirit::mObject o = i.second.get_obj();
assert(o.count("balance") > 0);
assert(o.count("nonce") > 0);
assert(o.count("storage") > 0);
assert(o.count("code") > 0);
if (bigint(o["balance"].get_str()) >= c_max256plus1)
BOOST_THROW_EXCEPTION(ValueTooLarge() << errinfo_comment("State 'balance' is equal or greater than 2**256") );
if (bigint(o["nonce"].get_str()) >= c_max256plus1)
BOOST_THROW_EXCEPTION(ValueTooLarge() << errinfo_comment("State 'nonce' is equal or greater than 2**256") );
Address address = Address(i.first);
bytes code = importCode(o);
if (code.size())
{
_state.m_cache[address] = Account(toInt(o["balance"]), Account::ContractConception);
_state.m_cache[address].setCode(code);
}
else
_state.m_cache[address] = Account(toInt(o["balance"]), Account::NormalCreation);
for (auto const& j: o["storage"].get_obj())
_state.setStorage(address, toInt(j.first), toInt(j.second));
for(int i=0; i<toInt(o["nonce"]); ++i)
_state.noteSending(address);
_state.ensureCached(address, false, false);
}
}
void ImportTest::importTransaction(json_spirit::mObject& _o)
{
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["nonce"].get_str()) >= c_max256plus1)
BOOST_THROW_EXCEPTION(ValueTooLarge() << errinfo_comment("Transaction 'nonce' is equal or greater than 2**256") );
if (bigint(_o["gasPrice"].get_str()) >= c_max256plus1)
BOOST_THROW_EXCEPTION(ValueTooLarge() << errinfo_comment("Transaction 'gasPrice' is equal or greater than 2**256") );
if (bigint(_o["gasLimit"].get_str()) >= c_max256plus1)
BOOST_THROW_EXCEPTION(ValueTooLarge() << errinfo_comment("Transaction 'gasLimit' is equal or greater than 2**256") );
if (bigint(_o["value"].get_str()) >= c_max256plus1)
BOOST_THROW_EXCEPTION(ValueTooLarge() << errinfo_comment("Transaction 'value' is equal or greater than 2**256") );
m_transaction = _o["to"].get_str().empty() ?
Transaction(toInt(_o["value"]), toInt(_o["gasPrice"]), toInt(_o["gasLimit"]), importData(_o), toInt(_o["nonce"]), Secret(_o["secretKey"].get_str())) :
Transaction(toInt(_o["value"]), toInt(_o["gasPrice"]), toInt(_o["gasLimit"]), Address(_o["to"].get_str()), importData(_o), toInt(_o["nonce"]), Secret(_o["secretKey"].get_str()));
}
else
{
RLPStream transactionRLPStream = createRLPStreamFromTransactionFields(_o);
RLP transactionRLP(transactionRLPStream.out());
m_transaction = Transaction(transactionRLP.data(), CheckSignature::Sender);
}
}
void ImportTest::exportTest(bytes const& _output, State const& _statePost)
{
// export output
m_TestObject["out"] = "0x" + toHex(_output);
// export logs
m_TestObject["logs"] = exportLog(_statePost.pending().size() ? _statePost.log(0) : LogEntries());
// export post state
m_TestObject["post"] = fillJsonWithState(_statePost);
m_TestObject["postStateRoot"] = toHex(_statePost.rootHash().asBytes());
// export pre state
m_TestObject["pre"] = fillJsonWithState(m_statePre);
}
json_spirit::mObject fillJsonWithState(State _state)
{
// export pre state
json_spirit::mObject oState;
for (auto const& a: _state.addresses())
{
json_spirit::mObject o;
o["balance"] = toString(_state.balance(a.first));
o["nonce"] = toString(_state.transactionsFrom(a.first));
{
json_spirit::mObject store;
for (auto const& s: _state.storage(a.first))
store["0x"+toHex(toCompactBigEndian(s.first))] = "0x"+toHex(toCompactBigEndian(s.second));
o["storage"] = store;
}
o["code"] = "0x" + toHex(_state.code(a.first));
oState[toString(a.first)] = o;
}
return oState;
}
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, ThrowType::Throw);
}
bytes importData(json_spirit::mObject& _o)
{
bytes data;
if (_o["data"].type() == json_spirit::str_type)
data = importByteArray(_o["data"].get_str());
else
for (auto const& j: _o["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_first_of("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;
}
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"] = "0x" + toHex(l.data);
o["bloom"] = toString(l.bloom());
ret.push_back(o);
}
return ret;
}
void checkOutput(bytes const& _output, json_spirit::mObject& _o)
{
int j = 0;
if (_o["out"].type() == json_spirit::array_type)
for (auto const& d: _o["out"].get_array())
{
BOOST_CHECK_MESSAGE(_output[j] == toInt(d), "Output byte [" << j << "] different!");
++j;
}
else if (_o["out"].get_str().find("0x") == 0)
BOOST_CHECK(_output == fromHex(_o["out"].get_str().substr(2)));
else
BOOST_CHECK(_output == fromHex(_o["out"].get_str()));
}
void checkStorage(map<u256, u256> _expectedStore, map<u256, u256> _resultStore, Address _expectedAddr)
{
for (auto&& expectedStorePair : _expectedStore)
{
auto& expectedStoreKey = expectedStorePair.first;
auto resultStoreIt = _resultStore.find(expectedStoreKey);
if (resultStoreIt == _resultStore.end())
BOOST_ERROR(_expectedAddr << ": missing store key " << expectedStoreKey);
else
{
auto& expectedStoreValue = expectedStorePair.second;
auto& resultStoreValue = resultStoreIt->second;
BOOST_CHECK_MESSAGE(expectedStoreValue == resultStoreValue, _expectedAddr << ": store[" << expectedStoreKey << "] = " << resultStoreValue << ", expected " << expectedStoreValue);
}
}
BOOST_CHECK_EQUAL(_resultStore.size(), _expectedStore.size());
for (auto&& resultStorePair: _resultStore)
{
if (!_expectedStore.count(resultStorePair.first))
BOOST_ERROR(_expectedAddr << ": unexpected store key " << resultStorePair.first);
}
}
void checkLog(LogEntries _resultLogs, LogEntries _expectedLogs)
{
BOOST_REQUIRE_EQUAL(_resultLogs.size(), _expectedLogs.size());
for (size_t i = 0; i < _resultLogs.size(); ++i)
{
BOOST_CHECK_EQUAL(_resultLogs[i].address, _expectedLogs[i].address);
BOOST_CHECK_EQUAL(_resultLogs[i].topics, _expectedLogs[i].topics);
BOOST_CHECK(_resultLogs[i].data == _expectedLogs[i].data);
}
}
void checkCallCreates(eth::Transactions _resultCallCreates, eth::Transactions _expectedCallCreates)
{
BOOST_REQUIRE_EQUAL(_resultCallCreates.size(), _expectedCallCreates.size());
for (size_t i = 0; i < _resultCallCreates.size(); ++i)
{
BOOST_CHECK(_resultCallCreates[i].data() == _expectedCallCreates[i].data());
BOOST_CHECK(_resultCallCreates[i].receiveAddress() == _expectedCallCreates[i].receiveAddress());
BOOST_CHECK(_resultCallCreates[i].gas() == _expectedCallCreates[i].gas());
BOOST_CHECK(_resultCallCreates[i].value() == _expectedCallCreates[i].value());
}
}
std::string getTestPath()
{
string testPath;
const char* ptestPath = getenv("ETHEREUM_TEST_PATH");
if (ptestPath == NULL)
{
cnote << " could not find environment variable ETHEREUM_TEST_PATH \n";
testPath = "../../../tests";
}
else
testPath = ptestPath;
return testPath;
}
void userDefinedTest(string testTypeFlag, std::function<void(json_spirit::mValue&, bool)> doTests)
{
for (int i = 1; i < boost::unit_test::framework::master_test_suite().argc; ++i)
{
string arg = boost::unit_test::framework::master_test_suite().argv[i];
if (arg == testTypeFlag)
{
if (boost::unit_test::framework::master_test_suite().argc <= i + 2)
{
cnote << "Missing filename\nUsage: testeth " << testTypeFlag << " <filename> <testname>\n";
return;
}
string filename = boost::unit_test::framework::master_test_suite().argv[i + 1];
string testname = boost::unit_test::framework::master_test_suite().argv[i + 2];
int currentVerbosity = g_logVerbosity;
g_logVerbosity = 12;
try
{
cnote << "Testing user defined test: " << filename;
json_spirit::mValue v;
string s = asString(contents(filename));
BOOST_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, false);
}
catch (Exception const& _e)
{
BOOST_ERROR("Failed Test with Exception: " << diagnostic_information(_e));
g_logVerbosity = currentVerbosity;
}
catch (std::exception const& _e)
{
BOOST_ERROR("Failed Test with Exception: " << _e.what());
g_logVerbosity = currentVerbosity;
}
g_logVerbosity = currentVerbosity;
}
else
continue;
}
}
void executeTests(const string& _name, const string& _testPathAppendix, std::function<void(json_spirit::mValue&, bool)> doTests)
{
string testPath = getTestPath();
testPath += _testPathAppendix;
for (int i = 1; i < boost::unit_test::framework::master_test_suite().argc; ++i)
{
string arg = boost::unit_test::framework::master_test_suite().argv[i];
if (arg == "--filltests")
{
try
{
cnote << "Populating tests...";
json_spirit::mValue v;
boost::filesystem::path p(__FILE__);
boost::filesystem::path dir = p.parent_path();
string s = asString(dev::contents(dir.string() + "/" + _name + "Filler.json"));
BOOST_REQUIRE_MESSAGE(s.length() > 0, "Contents of " + dir.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)
{
BOOST_ERROR("Failed filling test with Exception: " << diagnostic_information(_e));
}
catch (std::exception const& _e)
{
BOOST_ERROR("Failed filling test with Exception: " << _e.what());
}
break;
}
}
try
{
cnote << "Testing ..." << _name;
json_spirit::mValue v;
string s = asString(dev::contents(testPath + "/" + _name + ".json"));
BOOST_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);
doTests(v, false);
}
catch (Exception const& _e)
{
BOOST_ERROR("Failed test with Exception: " << diagnostic_information(_e));
}
catch (std::exception const& _e)
{
BOOST_ERROR("Failed test with Exception: " << _e.what());
}
}
RLPStream createRLPStreamFromTransactionFields(json_spirit::mObject& _tObj)
{
//Construct Rlp of the given transaction
RLPStream rlpStream;
rlpStream.appendList(_tObj.size());
if (_tObj.count("nonce"))
rlpStream << bigint(_tObj["nonce"].get_str());
if (_tObj.count("gasPrice"))
rlpStream << bigint(_tObj["gasPrice"].get_str());
if (_tObj.count("gasLimit"))
rlpStream << bigint(_tObj["gasLimit"].get_str());
if (_tObj.count("to"))
{
if (_tObj["to"].get_str().empty())
rlpStream << "";
else
rlpStream << importByteArray(_tObj["to"].get_str());
}
if (_tObj.count("value"))
rlpStream << bigint(_tObj["value"].get_str());
if (_tObj.count("data"))
rlpStream << importData(_tObj);
if (_tObj.count("v"))
rlpStream << bigint(_tObj["v"].get_str());
if (_tObj.count("r"))
rlpStream << bigint(_tObj["r"].get_str());
if (_tObj.count("s"))
rlpStream << bigint(_tObj["s"].get_str());
if (_tObj.count("extrafield"))
rlpStream << bigint(_tObj["extrafield"].get_str());
return rlpStream;
}
void processCommandLineOptions()
{
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)
{
if (std::string(argv[i]) == "--jit")
{
eth::VMFactory::setKind(eth::VMKind::JIT);
break;
}
}
}
LastHashes lastHashes(u256 _currentBlockNumber)
{
LastHashes ret;
for (u256 i = 1; i <= 256 && i <= _currentBlockNumber; ++i)
ret.push_back(sha3(toString(_currentBlockNumber - i)));
return ret;
}
} } // namespaces