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/*
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 checkRandomTest.cpp
* @author Christoph Jentzsch <jentzsch.simulationsoftware@gmail.com>
* @date 2015
* Check a random test and return 0/1 for success or failure. To be used for efficiency in the random test simulation.
*/
#include <libdevcore/Common.h>
#include <libdevcore/Exceptions.h>
#include <libdevcore/Log.h>
#include <libevm/VMFactory.h>
#include "vm.h"
#pragma GCC diagnostic ignored "-Wunused-parameter"
using namespace std;
using namespace json_spirit;
using namespace dev::test;
using namespace dev;
bool doVMTest(mValue& _v);
int main(int argc, char *argv[])
{
g_logVerbosity = 0;
bool ret = false;
try
{
mValue v;
string s;
for (int i = 1; i < argc; ++i)
s += argv[i];
if (asserts(s.length() > 0))
{
cout << "Content of argument is empty\n";
return 1;
}
read_string(s, v);
ret = doVMTest(v);
}
catch (Exception const& _e)
{
cout << "Failed test with Exception: " << diagnostic_information(_e) << endl;
ret = false;
}
catch (std::exception const& _e)
{
cout << "Failed test with Exception: " << _e.what() << endl;
ret = false;
}
return ret;
}
bool doVMTest(mValue& _v)
{
eth::VMFactory::setKind(eth::VMKind::JIT);
for (auto& i: _v.get_obj())
{
cnote << i.first;
mObject& o = i.second.get_obj();
assert(o.count("env") > 0);
assert(o.count("pre") > 0);
assert(o.count("exec") > 0);
FakeExtVM fev;
fev.importEnv(o["env"].get_obj());
fev.importState(o["pre"].get_obj());
fev.importExec(o["exec"].get_obj());
if (fev.code.empty())
{
fev.thisTxCode = get<3>(fev.addresses.at(fev.myAddress));
fev.code = fev.thisTxCode;
}
bytes output;
u256 gas;
bool vmExceptionOccured = false;
try
{
auto vm = eth::VMFactory::create(fev.gas);
output = vm->go(fev, fev.simpleTrace()).toBytes();
gas = vm->gas();
}
catch (eth::VMException)
{
cnote << "Safe VM Exception";
vmExceptionOccured = true;
}
catch (Exception const& _e)
{
cnote << "VM did throw an exception: " << diagnostic_information(_e);
cnote << "Failed VM Test with Exception: " << _e.what();
return 1;
}
catch (std::exception const& _e)
{
cnote << "VM did throw an exception: " << _e.what();
cnote << "Failed VM Test with Exception: " << _e.what();
return 1;
}
// delete null entries in storage for the sake of comparison
for (auto &a: fev.addresses)
{
vector<u256> keystoDelete;
for (auto &s: get<2>(a.second))
{
if (s.second == 0)
keystoDelete.push_back(s.first);
}
for (auto const key: keystoDelete )
{
get<2>(a.second).erase(key);
}
}
if (o.count("post") > 0) // No exceptions expected
{
if (asserts(!vmExceptionOccured) || asserts(o.count("post") > 0) || asserts(o.count("callcreates") > 0) || asserts(o.count("out") > 0) || asserts(o.count("gas") > 0) || asserts(o.count("logs") > 0))
return 1;
dev::test::FakeExtVM test;
test.importState(o["post"].get_obj());
test.importCallCreates(o["callcreates"].get_array());
test.sub.logs = importLog(o["logs"].get_array());
//checkOutput(output, o);
int j = 0;
if (o["out"].type() == array_type)
for (auto const& d: o["out"].get_array())
{
if (asserts(output[j] == toInt(d)))
{
cout << "Output byte [" << j << "] different!";
return 1;
}
++j;
}
else if (o["out"].get_str().find("0x") == 0)
{
if (asserts(output == fromHex(o["out"].get_str().substr(2))))
return 1;
}
else
{
if (asserts(output == fromHex(o["out"].get_str())))
return 1;
}
if (asserts(toInt(o["gas"]) == gas))
return 1;
auto& expectedAddrs = test.addresses;
auto& resultAddrs = fev.addresses;
for (auto&& expectedPair : expectedAddrs)
{
auto& expectedAddr = expectedPair.first;
auto resultAddrIt = resultAddrs.find(expectedAddr);
if (resultAddrIt == resultAddrs.end())
{
cout << "Missing expected address " << expectedAddr;
return 1;
}
else
{
auto& expectedState = expectedPair.second;
auto& resultState = resultAddrIt->second;
if (asserts(std::get<0>(expectedState) == std::get<0>(resultState)))
{
cout << expectedAddr << ": incorrect balance " << std::get<0>(resultState) << ", expected " << std::get<0>(expectedState);
return 1;
}
if (asserts(std::get<1>(expectedState) == std::get<1>(resultState)))
{
cout << expectedAddr << ": incorrect txCount " << std::get<1>(resultState) << ", expected " << std::get<1>(expectedState);
return 1;
}
if (asserts(std::get<3>(expectedState) == std::get<3>(resultState)))
{
cout << expectedAddr << ": incorrect code";
return 1;
}
//checkStorage(std::get<2>(expectedState), std::get<2>(resultState), expectedAddr);
for (auto&& expectedStorePair : std::get<2>(expectedState))
{
auto& expectedStoreKey = expectedStorePair.first;
auto resultStoreIt = std::get<2>(resultState).find(expectedStoreKey);
if (resultStoreIt == std::get<2>(resultState).end())
{
cout << expectedAddr << ": missing store key " << expectedStoreKey << endl;
return 1;
}
else
{
auto& expectedStoreValue = expectedStorePair.second;
auto& resultStoreValue = resultStoreIt->second;
if (asserts(expectedStoreValue == resultStoreValue))
{
cout << expectedAddr << ": store[" << expectedStoreKey << "] = " << resultStoreValue << ", expected " << expectedStoreValue << endl;
return 1;
}
}
}
if (assertsEqual(std::get<2>(resultState).size(), std::get<2>(expectedState).size()))
return 1;
for (auto&& resultStorePair: std::get<2>(resultState))
{
if (!std::get<2>(expectedState).count(resultStorePair.first))
{
cout << expectedAddr << ": unexpected store key " << resultStorePair.first << endl;
return 1;
}
}
}
}
//checkAddresses<std::map<Address, std::tuple<u256, u256, std::map<u256, u256>, bytes> > >(test.addresses, fev.addresses);
for (auto& resultPair : fev.addresses)
{
auto& resultAddr = resultPair.first;
auto expectedAddrIt = test.addresses.find(resultAddr);
if (expectedAddrIt == test.addresses.end())
{
cout << "Missing result address " << resultAddr << endl;
return 1;
}
}
if (asserts(test.addresses == fev.addresses))
return 1;
if (asserts(test.callcreates == fev.callcreates))
return 1;
//checkCallCreates(fev.callcreates, test.callcreates);
{
if (assertsEqual(test.callcreates.size(), fev.callcreates.size()))
return 1;
for (size_t i = 0; i < test.callcreates.size(); ++i)
{
if (asserts(test.callcreates[i].data() == fev.callcreates[i].data()))
return 1;
if (asserts(test.callcreates[i].receiveAddress() == fev.callcreates[i].receiveAddress()))
return 1;
if (asserts(test.callcreates[i].gas() == fev.callcreates[i].gas()))
return 1;
if (asserts(test.callcreates[i].value() == fev.callcreates[i].value()))
return 1;
}
}
//checkLog(fev.sub.logs, test.sub.logs);
{
if (assertsEqual(fev.sub.logs.size(), test.sub.logs.size()))
return 1;
for (size_t i = 0; i < fev.sub.logs.size(); ++i)
{
if (assertsEqual(fev.sub.logs[i].address, test.sub.logs[i].address))
return 1;
if (assertsEqual(fev.sub.logs[i].topics, test.sub.logs[i].topics))
return 1;
if (asserts(fev.sub.logs[i].data == test.sub.logs[i].data))
return 1;
}
}
}
else // Exception expected
{
if (asserts(vmExceptionOccured))
return 1;
}
}
// test passed
return 0;
}