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Diffstat (limited to 'createRandomStateTest.cpp')
| -rw-r--r-- | createRandomStateTest.cpp | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/createRandomStateTest.cpp b/createRandomStateTest.cpp new file mode 100644 index 00000000..13b622bb --- /dev/null +++ b/createRandomStateTest.cpp @@ -0,0 +1,183 @@ +/* + 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 createRandomStateTest.cpp + * @author Christoph Jentzsch <jentzsch.simulationsoftware@gmail.com> + * @date 2015 + * Creating a random state test. + */ + +#include <string> +#include <iostream> +#include <chrono> + +#include <boost/random.hpp> +#include <boost/filesystem/path.hpp> + +#pragma GCC diagnostic ignored "-Wunused-parameter" +#include <json_spirit/json_spirit.h> +#include <json_spirit/json_spirit_reader_template.h> +#include <json_spirit/json_spirit_writer_template.h> +#include <libdevcore/CommonIO.h> +#include <libdevcore/CommonData.h> +#include <libevmcore/Instruction.h> +#include <libevm/VMFactory.h> +#include "TestHelper.h" +#include "vm.h" + +using namespace std; +using namespace json_spirit; +using namespace dev; + +void doStateTests(json_spirit::mValue& _v); + +int main(int argc, char *argv[]) +{ + g_logVerbosity = 0; + + // create random code + + boost::random::mt19937 gen; + + auto now = chrono::steady_clock::now().time_since_epoch(); + auto timeSinceEpoch = chrono::duration_cast<chrono::nanoseconds>(now).count(); + gen.seed(static_cast<unsigned int>(timeSinceEpoch)); + boost::random::uniform_int_distribution<> lengthOfCodeDist(2, 16); + boost::random::uniform_int_distribution<> opcodeDist(0, 255); + boost::random::uniform_int_distribution<> BlockInfoOpcodeDist(0x40, 0x45); + boost::random::variate_generator<boost::mt19937&, boost::random::uniform_int_distribution<> > randGen(gen, opcodeDist); + boost::random::variate_generator<boost::mt19937&, boost::random::uniform_int_distribution<> > randGenBlockInfoOpcode(gen, BlockInfoOpcodeDist); + + int lengthOfCode = lengthOfCodeDist(gen); + string randomCode; + + for (int i = 0; i < lengthOfCode; ++i) + { + if (i < 8 && (randGen() < 192)) + { + randomCode += toHex(toCompactBigEndian((uint8_t)randGenBlockInfoOpcode())); + continue; + } + + uint8_t opcode = randGen(); + // disregard all invalid commands, except of one (0x0c) + if ((dev::eth::isValidInstruction(dev::eth::Instruction(opcode)) || (randGen() > 250))) + randomCode += toHex(toCompactBigEndian(opcode)); + else + i--; + } + + string const s = R"( + { + "randomStatetest" : { + "env" : { + "currentCoinbase" : "945304eb96065b2a98b57a48a06ae28d285a71b5", + "currentDifficulty" : "5623894562375", + "currentGasLimit" : "115792089237316195423570985008687907853269984665640564039457584007913129639935", + "currentNumber" : "0", + "currentTimestamp" : "1", + "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6" + }, + "pre" : { + "095e7baea6a6c7c4c2dfeb977efac326af552d87" : { + "balance" : "1000000000000000000", + "code" : "0x6001600101600055", + "nonce" : "0", + "storage" : { + } + }, + "945304eb96065b2a98b57a48a06ae28d285a71b5" : { + "balance" : "46", + "code" : "0x6000355415600957005b60203560003555", + "nonce" : "0", + "storage" : { + } + }, + "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : { + "balance" : "1000000000000000000", + "code" : "0x", + "nonce" : "0", + "storage" : { + } + } + }, + "transaction" : { + "data" : "0x42", + "gasLimit" : "400000", + "gasPrice" : "1", + "nonce" : "0", + "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8", + "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87", + "value" : "100000" + } + } + } +)"; + mValue v; + read_string(s, v); + + // insert new random code + v.get_obj().find("randomStatetest")->second.get_obj().find("pre")->second.get_obj().begin()->second.get_obj()["code"] = "0x" + randomCode + (randGen() > 128 ? "55" : ""); + + // fill test + doStateTests(v); + + // stream to output for further handling by the bash script + cout << json_spirit::write_string(v, true); + + return 0; +} + +void doStateTests(json_spirit::mValue& _v) +{ + eth::VMFactory::setKind(eth::VMKind::Interpreter); + + for (auto& i: _v.get_obj()) + { + //cerr << i.first << endl; + mObject& o = i.second.get_obj(); + + assert(o.count("env") > 0); + assert(o.count("pre") > 0); + assert(o.count("transaction") > 0); + + test::ImportTest importer(o, true); + + eth::State theState = importer.m_statePre; + bytes tx = importer.m_transaction.rlp(); + bytes output; + + try + { + theState.execute(test::lastHashes(importer.m_environment.currentBlock.number), tx, &output); + } + catch (Exception const& _e) + { + cnote << "state execution did throw an exception: " << diagnostic_information(_e); + theState.commit(); + } + catch (std::exception const& _e) + { + cnote << "state execution did throw an exception: " << _e.what(); + } +#if ETH_FATDB + importer.exportTest(output, theState); +#else + cout << "You can not fill tests when FATDB is switched off"; +#endif + } +} + |