CJentzsch
10 years ago
3 changed files with 207 additions and 16 deletions
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/*
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This file is part of cpp-ethereum. |
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cpp-ethereum is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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cpp-ethereum is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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/** @file createRandomStateTest.cpp
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* @author Christoph Jentzsch <jentzsch.simulationsoftware@gmail.com> |
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* @date 2015 |
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* Creating a random state test. |
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*/ |
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#include <string> |
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#include <iostream> |
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#include <chrono> |
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#include <boost/random.hpp> |
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#include <boost/filesystem/path.hpp> |
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#pragma GCC diagnostic ignored "-Wunused-parameter" |
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#include <json_spirit/json_spirit.h> |
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#include <json_spirit/json_spirit_reader_template.h> |
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#include <json_spirit/json_spirit_writer_template.h> |
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#include <libdevcore/CommonIO.h> |
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#include <libdevcore/CommonData.h> |
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#include <libevmcore/Instruction.h> |
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#include <libevm/VMFactory.h> |
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#include "TestHelper.h" |
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#include "vm.h" |
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using namespace std; |
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using namespace json_spirit; |
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using namespace dev; |
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void doStateTests(json_spirit::mValue& _v); |
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int main(int argc, char *argv[]) |
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{ |
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g_logVerbosity = 0; |
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// create random code
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boost::random::mt19937 gen; |
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auto now = chrono::steady_clock::now().time_since_epoch(); |
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auto timeSinceEpoch = chrono::duration_cast<chrono::nanoseconds>(now).count(); |
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gen.seed(static_cast<unsigned int>(timeSinceEpoch)); |
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boost::random::uniform_int_distribution<> lengthOfCodeDist(2, 16); |
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boost::random::uniform_int_distribution<> opcodeDist(0, 255); |
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boost::random::uniform_int_distribution<> BlockInfoOpcodeDist(0x40, 0x45); |
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boost::random::variate_generator<boost::mt19937&, |
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boost::random::uniform_int_distribution<> > randGen(gen, opcodeDist); |
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boost::random::variate_generator<boost::mt19937&, |
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boost::random::uniform_int_distribution<> > randGenBlockInfoOpcode(gen, BlockInfoOpcodeDist); |
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int lengthOfCode = lengthOfCodeDist(gen); |
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string randomCode; |
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for (int i = 0; i < lengthOfCode; ++i) |
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{ |
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if (i < 8 && (randGen() < 192)) |
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{ |
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randomCode += toHex(toCompactBigEndian((uint8_t)randGenBlockInfoOpcode())); |
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continue; |
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} |
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uint8_t opcode = randGen(); |
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// disregard all invalid commands, except of one (0x0c)
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if ((dev::eth::isValidInstruction(dev::eth::Instruction(opcode)) || (randGen() > 250))) |
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randomCode += toHex(toCompactBigEndian(opcode)); |
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else |
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i--; |
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} |
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string const s = R"( |
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{ |
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"randomStatetest" : { |
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"env" : { |
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"currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba", |
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"currentDifficulty" : "256", |
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"currentGasLimit" : "1000000", |
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"currentNumber" : "0", |
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"currentTimestamp" : 1, |
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"previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6" |
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}, |
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"pre" : { |
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"095e7baea6a6c7c4c2dfeb977efac326af552d87" : { |
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"balance" : "1000000000000000000", |
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"code" : "0x6001600101600055", |
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"nonce" : "0", |
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"storage" : { |
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} |
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}, |
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"a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : { |
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"balance" : "1000000000000000000", |
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"code" : "0x", |
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"nonce" : "0", |
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"storage" : { |
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} |
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} |
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}, |
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"transaction" : { |
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"data" : "", |
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"gasLimit" : "400000", |
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"gasPrice" : "1", |
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"nonce" : "0", |
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"secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8", |
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"to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87", |
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"value" : "100000" |
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} |
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} |
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} |
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)"; |
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cout << "the test: " << s << endl; |
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mValue v; |
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read_string(s, v); |
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// insert new random code
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v.get_obj().find("randomStatetest")->second.get_obj().find("pre")->second.get_obj().begin()->second.get_obj()["code"] = "0x" + randomCode + (randGen() > 128 ? "55" : ""); |
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// fill test
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doStateTests(v); |
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// stream to output for further handling by the bash script
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cout << json_spirit::write_string(v, true); |
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return 0; |
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} |
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void doStateTests(json_spirit::mValue& _v) |
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{ |
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try{ |
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for (auto& i: _v.get_obj()) |
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{ |
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cerr << i.first << endl; |
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mObject& o = i.second.get_obj(); |
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assert(o.count("env") > 0); |
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assert(o.count("pre") > 0); |
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assert(o.count("transaction") > 0); |
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test::ImportTest importer(o, true); |
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eth::State theState = importer.m_statePre; |
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bytes tx = importer.m_transaction.rlp(); |
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bytes output; |
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try |
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{ |
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theState.execute(test::lastHashes(importer.m_environment.currentBlock.number), tx, &output); |
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} |
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catch (Exception const& _e) |
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{ |
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cnote << "state execution did throw an exception: " << diagnostic_information(_e); |
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theState.commit(); |
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} |
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catch (std::exception const& _e) |
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{ |
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cnote << "state execution did throw an exception: " << _e.what(); |
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} |
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#if ETH_FATDB |
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importer.exportTest(output, theState); |
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#else |
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BOOST_THROW_EXCEPTION(Exception() << errinfo_comment("You can not fill tests when FATDB is switched off")); |
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#endif |
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} |
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} |
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catch (Exception const& _e) |
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{ |
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cout << "problem: " << diagnostic_information(_e); |
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} |
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} |
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