Gav Wood
10 years ago
40 changed files with 1181 additions and 371 deletions
@ -0,0 +1,125 @@ |
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Qt.include("QEtherHelper.js") |
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var nbRegEx = new RegExp('^[0-9]+$'); |
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function validate(model, values) |
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{ |
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var inError = []; |
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for (var k in model) |
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{ |
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if (values[model[k].name]) |
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{ |
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var type = model[k].type.name; |
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var res; |
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if (isContractType(type)) |
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res = validateAddress(type, values[model[k].name]); |
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else if (type.indexOf("int") !== -1) |
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res = validateInt(type, values[model[k].name]); |
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else if (type.indexOf("bytes") !== -1) |
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res = validateBytes(type, values[model[k].name]); |
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else if (type.indexOf("bool") !== -1) |
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res = validateBool(type, values[model[k].name]); |
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else if (type.indexOf("address") !== -1) |
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res = validateAddress(type, values[model[k].name]); |
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else |
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res.valid = true; |
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if (!res.valid) |
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inError.push({ type: type, value: values, message: res.message }); |
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} |
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} |
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return inError; |
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} |
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function isContractType(_type) |
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{ |
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for (var k in Object.keys(codeModel.contracts)) |
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{ |
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if ("contract " + Object.keys(codeModel.contracts)[k] === _type) |
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return true; |
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} |
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return false; |
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} |
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function validateInt(_type, _value) |
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{ |
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var ret = { valid: true, message: "" } |
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if (_value.indexOf("-") === 0) |
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{ |
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_value = _value.substring(1); |
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if (_type.indexOf("uint") === -1) |
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{ |
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ret.valid = false; |
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ret.message = "uint type cannot represent negative number"; |
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} |
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} |
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ret.valid = nbRegEx.test(_value); |
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if (!ret.valid) |
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ret.message = _value + " does not represent " + _type + " type."; |
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else |
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{ |
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var bigInt = createBigInt(_value); |
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bigInt.setBigInt(_value); |
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var result = bigInt.checkAgainst(_type); |
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if (!result.valid) |
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{ |
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ret.valid = false; |
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ret.message = _type + " should be between " + result.minValue + " and " + result.maxValue; |
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} |
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} |
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return ret; |
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} |
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function validateAddress(_type, _value) |
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{ |
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var ret = { valid: true, message: "" } |
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if (_value.indexOf("<") === 0 && _value.indexOf(">") === _value.length - 1) |
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{ |
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var v = _value.split(' - '); |
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if (v.length !== 2 || !nbRegEx.test(v[1].replace(">", ""))) // <Contract - 2>
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{ |
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ret.valid = false; |
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ret.message = _value + " is not a valid token for address type."; |
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} |
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} |
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else if (_value.indexOf("0x") !== 0) |
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{ |
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ret.valid = false |
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ret.message = "Address type should start with 0x."; |
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} |
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else |
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{ |
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_value = _value.substring(2); |
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if (_value.length !== 40) |
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{ |
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ret.valid = false |
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ret.message = "Address type should contain 40 characters."; |
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} |
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} |
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return ret; |
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} |
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function validateBytes(_type, _value) |
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{ |
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var ret = { valid: true, message: "" } |
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if (_value.length > parseInt(_type.replace("bytes", "")) ) |
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{ |
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ret.valid = false; |
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ret.message = _type + " should not contains more than " + _type.replace("bytes", "") + " characters"; |
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} |
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return ret; |
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} |
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function validateBool(_type, _value) |
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{ |
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var ret = { valid: true, message: "" } |
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if (_value !== "1" && _value !== "0") |
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{ |
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ret.valid = false; |
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ret.message = _value + " is not in the correct bool format"; |
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} |
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return ret; |
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} |
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function validateEnum(_type, _value) |
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{ |
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} |
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@ -0,0 +1,224 @@ |
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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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|
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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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|
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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 fuzzHelper.cpp
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* @author Dimitry Khokhlov <winsvega@mail.ru> |
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* @date 2015 |
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*/ |
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#include "fuzzHelper.h" |
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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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#include <libevmcore/Instruction.h> |
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namespace dev |
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{ |
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namespace test |
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{ |
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boost::random::mt19937 RandomCode::gen; |
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boostIntDistrib RandomCode::opCodeDist = boostIntDistrib (0, 255); |
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boostIntDistrib RandomCode::opLengDist = boostIntDistrib (1, 32); |
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boostIntDistrib RandomCode::uniIntDist = boostIntDistrib (0, 0x7fffffff); |
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boostIntGenerator RandomCode::randOpCodeGen = boostIntGenerator(gen, opCodeDist); |
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boostIntGenerator RandomCode::randOpLengGen = boostIntGenerator(gen, opLengDist); |
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boostIntGenerator RandomCode::randUniIntGen = boostIntGenerator(gen, uniIntDist); |
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std::string RandomCode::rndByteSequence(int _length, SizeStrictness _sizeType) |
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{ |
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refreshSeed(); |
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std::string hash; |
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_length = (_sizeType == SizeStrictness::Strict) ? std::max(1, _length) : randomUniInt() % _length; |
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for (auto i = 0; i < _length; i++) |
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{ |
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uint8_t byte = randOpCodeGen(); |
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hash += toCompactHex(byte); |
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} |
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return hash; |
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} |
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//generate smart random code
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std::string RandomCode::generate(int _maxOpNumber, RandomCodeOptions _options) |
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{ |
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refreshSeed(); |
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std::string code; |
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//random opCode amount
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boostIntDistrib sizeDist (0, _maxOpNumber); |
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boostIntGenerator rndSizeGen(gen, sizeDist); |
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int size = (int)rndSizeGen(); |
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boostWeightGenerator randOpCodeWeight (gen, _options.opCodeProbability); |
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bool weightsDefined = _options.opCodeProbability.probabilities().size() == 255; |
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for (auto i = 0; i < size; i++) |
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{ |
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uint8_t opcode = weightsDefined ? randOpCodeWeight() : randOpCodeGen(); |
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dev::eth::InstructionInfo info = dev::eth::instructionInfo((dev::eth::Instruction) opcode); |
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if (info.name.find_first_of("INVALID_INSTRUCTION") > 0) |
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{ |
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//Byte code is yet not implemented
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if (_options.useUndefinedOpCodes == false) |
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{ |
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i--; |
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continue; |
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} |
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} |
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else |
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code += fillArguments((dev::eth::Instruction) opcode, _options); |
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std::string byte = toCompactHex(opcode); |
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code += (byte == "") ? "00" : byte; |
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} |
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return code; |
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} |
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std::string RandomCode::randomUniIntHex() |
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{ |
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refreshSeed(); |
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return "0x" + toCompactHex((int)randUniIntGen()); |
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} |
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int RandomCode::randomUniInt() |
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{ |
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refreshSeed(); |
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return (int)randUniIntGen(); |
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} |
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void RandomCode::refreshSeed() |
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{ |
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auto now = std::chrono::steady_clock::now().time_since_epoch(); |
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auto timeSinceEpoch = std::chrono::duration_cast<std::chrono::nanoseconds>(now).count(); |
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gen.seed(static_cast<unsigned int>(timeSinceEpoch)); |
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} |
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std::string RandomCode::getPushCode(std::string const& _hex) |
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{ |
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int length = _hex.length() / 2; |
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int pushCode = 96 + length - 1; |
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return toCompactHex(pushCode) + _hex; |
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} |
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std::string RandomCode::getPushCode(int _value) |
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{ |
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std::string hexString = toCompactHex(_value); |
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return getPushCode(hexString); |
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} |
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std::string RandomCode::fillArguments(dev::eth::Instruction _opcode, RandomCodeOptions const& _options) |
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{ |
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dev::eth::InstructionInfo info = dev::eth::instructionInfo(_opcode); |
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std::string code; |
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bool smart = false; |
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unsigned num = info.args; |
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int rand = randUniIntGen() % 100; |
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if (rand < _options.smartCodeProbability) |
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smart = true; |
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if (smart) |
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{ |
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switch (_opcode) |
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{ |
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case dev::eth::Instruction::CALL: |
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//(CALL gaslimit address value memstart1 memlen1 memstart2 memlen2)
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code += getPushCode(randUniIntGen() % 32); //memlen2
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code += getPushCode(randUniIntGen() % 32); //memstart2
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code += getPushCode(randUniIntGen() % 32); //memlen1
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code += getPushCode(randUniIntGen() % 32); //memlen1
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code += getPushCode(randUniIntGen()); //value
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code += getPushCode(toString(_options.getRandomAddress()));//address
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code += getPushCode(randUniIntGen()); //gaslimit
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break; |
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default: |
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smart = false; |
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} |
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} |
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if (smart == false) |
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for (unsigned i = 0; i < num; i++) |
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{ |
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//generate random parameters
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int length = randOpLengGen(); |
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code += getPushCode(rndByteSequence(length)); |
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} |
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return code; |
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} |
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//Ramdom Code Options
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RandomCodeOptions::RandomCodeOptions() : useUndefinedOpCodes(false), smartCodeProbability(50) |
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{ |
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//each op code with same weight-probability
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for (auto i = 0; i < 255; i++) |
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mapWeights.insert(std::pair<int, int>(i, 50)); |
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setWeights(); |
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} |
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void RandomCodeOptions::setWeight(dev::eth::Instruction _opCode, int _weight) |
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{ |
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mapWeights.at((int)_opCode) = _weight; |
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setWeights(); |
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} |
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void RandomCodeOptions::addAddress(dev::Address const& _address) |
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{ |
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addressList.push_back(_address); |
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} |
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dev::Address RandomCodeOptions::getRandomAddress() const |
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{ |
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if (addressList.size() > 0) |
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{ |
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int index = RandomCode::randomUniInt() % addressList.size(); |
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return addressList[index]; |
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} |
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return Address(RandomCode::rndByteSequence(20)); |
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} |
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void RandomCodeOptions::setWeights() |
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{ |
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std::vector<int> weights; |
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for (auto const& element: mapWeights) |
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weights.push_back(element.second); |
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opCodeProbability = boostDescreteDistrib(weights); |
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} |
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BOOST_AUTO_TEST_SUITE(RandomCodeTests) |
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BOOST_AUTO_TEST_CASE(rndCode) |
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{ |
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std::string code; |
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std::cerr << "Testing Random Code: "; |
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try |
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{ |
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code = dev::test::RandomCode::generate(10); |
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} |
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catch(...) |
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{ |
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BOOST_ERROR("Exception thrown when generating random code!"); |
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} |
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std::cerr << code; |
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} |
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BOOST_AUTO_TEST_SUITE_END() |
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} |
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} |
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@ -0,0 +1,97 @@ |
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/*
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This file is part of cpp-ethereum. |
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|
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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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|
|
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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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|
|
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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 fuzzHelper.h
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* @author Dimitry Khokhlov <winsvega@mail.ru> |
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* @date 2015 |
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*/ |
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#include <string> |
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#include <boost/random.hpp> |
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#include <boost/filesystem/path.hpp> |
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#include <test/TestHelper.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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#pragma once |
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namespace dev |
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{ |
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namespace test |
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{ |
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typedef boost::random::uniform_int_distribution<> boostIntDistrib; |
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typedef boost::random::discrete_distribution<> boostDescreteDistrib; |
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typedef boost::random::variate_generator<boost::mt19937&, boostIntDistrib > boostIntGenerator; |
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typedef boost::random::variate_generator<boost::mt19937&, boostDescreteDistrib > boostWeightGenerator; |
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struct RandomCodeOptions |
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{ |
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public: |
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RandomCodeOptions(); |
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void setWeight(dev::eth::Instruction _opCode, int _weight); |
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void addAddress(dev::Address const& _address); |
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dev::Address getRandomAddress() const; |
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bool useUndefinedOpCodes; |
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int smartCodeProbability; |
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boostDescreteDistrib opCodeProbability; |
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private: |
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void setWeights(); |
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std::map<int, int> mapWeights; |
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std::vector<dev::Address> addressList; |
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}; |
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enum class SizeStrictness |
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{ |
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Strict, |
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Random |
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}; |
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class RandomCode |
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{ |
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public: |
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/// Generate random vm code
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static std::string generate(int _maxOpNumber = 1, RandomCodeOptions _options = RandomCodeOptions()); |
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/// Generate random byte string of a given length
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static std::string rndByteSequence(int _length = 1, SizeStrictness _sizeType = SizeStrictness::Strict); |
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/// Generate random uniForm Int with reasonable value 0..0x7fffffff
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static std::string randomUniIntHex(); |
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static int randomUniInt(); |
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private: |
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static std::string fillArguments(dev::eth::Instruction _opcode, RandomCodeOptions const& _options); |
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static std::string getPushCode(int _value); |
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static std::string getPushCode(std::string const& _hex); |
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static void refreshSeed(); |
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static boost::random::mt19937 gen; ///< Random generator
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static boostIntDistrib opCodeDist; ///< 0..255 opcodes
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static boostIntDistrib opLengDist; ///< 1..32 byte string
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static boostIntDistrib uniIntDist; ///< 0..0x7fffffff
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static boostIntGenerator randUniIntGen; ///< Generate random UniformInt from uniIntDist
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static boostIntGenerator randOpCodeGen; ///< Generate random value from opCodeDist
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static boostIntGenerator randOpLengGen; ///< Generate random length from opLengDist
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}; |
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|
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} |
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} |
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@ -1,192 +0,0 @@ |
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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/>.
|
|
||||
*/ |
|
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/**
|
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* @author Christian <c@ethdev.com> |
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* @date 2014 |
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* Unit tests for the solidity compiler. |
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*/ |
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|
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#include <string> |
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#include <iostream> |
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#include <boost/test/unit_test.hpp> |
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#include <libdevcore/Log.h> |
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#include <libsolidity/Scanner.h> |
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#include <libsolidity/Parser.h> |
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#include <libsolidity/NameAndTypeResolver.h> |
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#include <libsolidity/Compiler.h> |
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#include <libsolidity/AST.h> |
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||||
|
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using namespace std; |
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using namespace dev::eth; |
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||||
|
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||||
namespace dev |
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||||
{ |
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namespace solidity |
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{ |
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namespace test |
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{ |
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||||
|
|
||||
namespace |
|
||||
{ |
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||||
|
|
||||
bytes compileContract(const string& _sourceCode) |
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||||
{ |
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||||
Parser parser; |
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||||
ASTPointer<SourceUnit> sourceUnit; |
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||||
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*>{}); |
|
||||
|
|
||||
// debug
|
|
||||
//compiler.streamAssembly(cout);
|
|
||||
return compiler.getAssembledBytecode(); |
|
||||
} |
|
||||
BOOST_FAIL("No contract found in source."); |
|
||||
return bytes(); |
|
||||
} |
|
||||
|
|
||||
/// Checks that @a _compiledCode is present starting from offset @a _offset in @a _expectation.
|
|
||||
/// This is necessary since the compiler will add boilerplate add the beginning that is not
|
|
||||
/// tested here.
|
|
||||
void checkCodePresentAt(bytes const& _compiledCode, bytes const& _expectation, unsigned _offset) |
|
||||
{ |
|
||||
BOOST_REQUIRE(_compiledCode.size() >= _offset + _expectation.size()); |
|
||||
auto checkStart = _compiledCode.begin() + _offset; |
|
||||
BOOST_CHECK_EQUAL_COLLECTIONS(checkStart, checkStart + _expectation.size(), |
|
||||
_expectation.begin(), _expectation.end()); |
|
||||
} |
|
||||
|
|
||||
} // end anonymous namespace
|
|
||||
|
|
||||
BOOST_AUTO_TEST_SUITE(SolidityCompiler) |
|
||||
|
|
||||
BOOST_AUTO_TEST_CASE(smoke_test) |
|
||||
{ |
|
||||
char const* sourceCode = "contract test {\n" |
|
||||
" function f() { var x = 2; }\n" |
|
||||
"}\n"; |
|
||||
bytes code = compileContract(sourceCode); |
|
||||
|
|
||||
unsigned boilerplateSize = 73; |
|
||||
bytes expectation({byte(Instruction::JUMPDEST), |
|
||||
byte(Instruction::PUSH1), 0x0, // initialize local variable x
|
|
||||
byte(Instruction::PUSH1), 0x2, |
|
||||
byte(Instruction::SWAP1), |
|
||||
byte(Instruction::POP), |
|
||||
byte(Instruction::JUMPDEST), |
|
||||
byte(Instruction::POP), |
|
||||
byte(Instruction::JUMP)}); |
|
||||
checkCodePresentAt(code, expectation, boilerplateSize); |
|
||||
} |
|
||||
|
|
||||
BOOST_AUTO_TEST_CASE(ifStatement) |
|
||||
{ |
|
||||
char const* sourceCode = "contract test {\n" |
|
||||
" function f() { bool x; if (x) 77; else if (!x) 78; else 79; }" |
|
||||
"}\n"; |
|
||||
bytes code = compileContract(sourceCode); |
|
||||
unsigned shift = 60; |
|
||||
unsigned boilerplateSize = 73; |
|
||||
bytes expectation({ |
|
||||
byte(Instruction::JUMPDEST), |
|
||||
byte(Instruction::PUSH1), 0x0, |
|
||||
byte(Instruction::DUP1), |
|
||||
byte(Instruction::ISZERO), |
|
||||
byte(Instruction::PUSH1), byte(0x0f + shift), // "false" target
|
|
||||
byte(Instruction::JUMPI), |
|
||||
// "if" body
|
|
||||
byte(Instruction::PUSH1), 0x4d, |
|
||||
byte(Instruction::POP), |
|
||||
byte(Instruction::PUSH1), byte(0x21 + shift), |
|
||||
byte(Instruction::JUMP), |
|
||||
// new check "else if" condition
|
|
||||
byte(Instruction::JUMPDEST), |
|
||||
byte(Instruction::DUP1), |
|
||||
byte(Instruction::ISZERO), |
|
||||
byte(Instruction::ISZERO), |
|
||||
byte(Instruction::PUSH1), byte(0x1c + shift), |
|
||||
byte(Instruction::JUMPI), |
|
||||
// "else if" body
|
|
||||
byte(Instruction::PUSH1), 0x4e, |
|
||||
byte(Instruction::POP), |
|
||||
byte(Instruction::PUSH1), byte(0x20 + shift), |
|
||||
byte(Instruction::JUMP), |
|
||||
// "else" body
|
|
||||
byte(Instruction::JUMPDEST), |
|
||||
byte(Instruction::PUSH1), 0x4f, |
|
||||
byte(Instruction::POP), |
|
||||
}); |
|
||||
checkCodePresentAt(code, expectation, boilerplateSize); |
|
||||
} |
|
||||
|
|
||||
BOOST_AUTO_TEST_CASE(loops) |
|
||||
{ |
|
||||
char const* sourceCode = "contract test {\n" |
|
||||
" function f() { while(true){1;break;2;continue;3;return;4;} }" |
|
||||
"}\n"; |
|
||||
bytes code = compileContract(sourceCode); |
|
||||
unsigned shift = 60; |
|
||||
unsigned boilerplateSize = 73; |
|
||||
bytes expectation({byte(Instruction::JUMPDEST), |
|
||||
byte(Instruction::JUMPDEST), |
|
||||
byte(Instruction::PUSH1), 0x1, |
|
||||
byte(Instruction::ISZERO), |
|
||||
byte(Instruction::PUSH1), byte(0x21 + shift), |
|
||||
byte(Instruction::JUMPI), |
|
||||
byte(Instruction::PUSH1), 0x1, |
|
||||
byte(Instruction::POP), |
|
||||
byte(Instruction::PUSH1), byte(0x21 + shift), |
|
||||
byte(Instruction::JUMP), // break
|
|
||||
byte(Instruction::PUSH1), 0x2, |
|
||||
byte(Instruction::POP), |
|
||||
byte(Instruction::PUSH1), byte(0x2 + shift), |
|
||||
byte(Instruction::JUMP), // continue
|
|
||||
byte(Instruction::PUSH1), 0x3, |
|
||||
byte(Instruction::POP), |
|
||||
byte(Instruction::PUSH1), byte(0x22 + shift), |
|
||||
byte(Instruction::JUMP), // return
|
|
||||
byte(Instruction::PUSH1), 0x4, |
|
||||
byte(Instruction::POP), |
|
||||
byte(Instruction::PUSH1), byte(0x2 + shift), |
|
||||
byte(Instruction::JUMP), |
|
||||
byte(Instruction::JUMPDEST), |
|
||||
byte(Instruction::JUMPDEST), |
|
||||
byte(Instruction::JUMP)}); |
|
||||
|
|
||||
checkCodePresentAt(code, expectation, boilerplateSize); |
|
||||
} |
|
||||
|
|
||||
BOOST_AUTO_TEST_SUITE_END() |
|
||||
|
|
||||
} |
|
||||
} |
|
||||
} // end namespaces
|
|
||||
Loading…
Reference in new issue