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546 lines
19 KiB
546 lines
19 KiB
/*
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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 ClientModel.cpp
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* @author Yann yann@ethdev.com
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* @author Arkadiy Paronyan arkadiy@ethdev.com
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* @date 2015
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* Ethereum IDE client.
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*/
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// Make sure boost/asio.hpp is included before windows.h.
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#include <boost/asio.hpp>
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#include "ClientModel.h"
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#include <QtConcurrent/QtConcurrent>
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#include <QDebug>
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#include <QQmlContext>
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#include <QQmlApplicationEngine>
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#include <QStandardPaths>
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#include <jsonrpccpp/server.h>
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#include <libethcore/CommonJS.h>
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#include <libethereum/Transaction.h>
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#include "DebuggingStateWrapper.h"
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#include "Exceptions.h"
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#include "QContractDefinition.h"
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#include "QVariableDeclaration.h"
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#include "QVariableDefinition.h"
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#include "ContractCallDataEncoder.h"
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#include "CodeModel.h"
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#include "QEther.h"
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#include "Web3Server.h"
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#include "MixClient.h"
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using namespace dev;
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using namespace dev::eth;
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namespace dev
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{
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namespace mix
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{
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class RpcConnector: public jsonrpc::AbstractServerConnector
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{
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public:
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virtual bool StartListening() override { return true; }
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virtual bool StopListening() override { return true; }
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virtual bool SendResponse(std::string const& _response, void*) override
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{
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m_response = QString::fromStdString(_response);
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return true;
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}
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QString response() const { return m_response; }
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private:
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QString m_response;
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};
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ClientModel::ClientModel():
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m_running(false), m_rpcConnector(new RpcConnector())
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{
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qRegisterMetaType<QBigInt*>("QBigInt*");
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qRegisterMetaType<QVariableDefinition*>("QVariableDefinition*");
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qRegisterMetaType<QList<QVariableDefinition*>>("QList<QVariableDefinition*>");
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qRegisterMetaType<QList<QVariableDeclaration*>>("QList<QVariableDeclaration*>");
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qRegisterMetaType<QVariableDeclaration*>("QVariableDeclaration*");
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qRegisterMetaType<QSolidityType*>("QSolidityType*");
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qRegisterMetaType<QMachineState*>("QMachineState");
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qRegisterMetaType<QInstruction*>("QInstruction");
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qRegisterMetaType<QCode*>("QCode");
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qRegisterMetaType<QCallData*>("QCallData");
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qRegisterMetaType<RecordLogEntry*>("RecordLogEntry*");
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connect(this, &ClientModel::runComplete, this, &ClientModel::showDebugger, Qt::QueuedConnection);
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m_client.reset(new MixClient(QStandardPaths::writableLocation(QStandardPaths::TempLocation).toStdString()));
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m_web3Server.reset(new Web3Server(*m_rpcConnector.get(), m_client->userAccounts(), m_client.get()));
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connect(m_web3Server.get(), &Web3Server::newTransaction, this, &ClientModel::onNewTransaction, Qt::DirectConnection);
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}
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ClientModel::~ClientModel()
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{
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}
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QString ClientModel::apiCall(QString const& _message)
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{
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try
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{
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m_rpcConnector->OnRequest(_message.toStdString(), nullptr);
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return m_rpcConnector->response();
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}
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catch (...)
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{
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std::cerr << boost::current_exception_diagnostic_information();
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return QString();
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}
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}
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void ClientModel::mine()
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{
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if (m_running || m_mining)
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BOOST_THROW_EXCEPTION(ExecutionStateException());
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m_mining = true;
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emit miningStarted();
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emit miningStateChanged();
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QtConcurrent::run([=]()
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{
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try
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{
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m_client->mine();
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newBlock();
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m_mining = false;
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emit miningComplete();
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}
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catch (...)
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{
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m_mining = false;
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std::cerr << boost::current_exception_diagnostic_information();
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emit runFailed(QString::fromStdString(boost::current_exception_diagnostic_information()));
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}
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emit miningStateChanged();
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});
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}
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QString ClientModel::newAddress()
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{
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KeyPair a = KeyPair::create();
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return QString::fromStdString(toHex(a.secret().ref()));
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}
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QVariantMap ClientModel::contractAddresses() const
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{
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QVariantMap res;
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for (auto const& c: m_contractAddresses)
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res.insert(c.first, QString::fromStdString(dev::toJS(c.second)));
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return res;
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}
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void ClientModel::setupState(QVariantMap _state)
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{
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QVariantList balances = _state.value("accounts").toList();
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QVariantList transactions = _state.value("transactions").toList();
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std::map<Secret, u256> accounts;
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for (auto const& b: balances)
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{
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QVariantMap address = b.toMap();
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accounts.insert(std::make_pair(Secret(address.value("secret").toString().toStdString()), (qvariant_cast<QEther*>(address.value("balance")))->toU256Wei()));
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}
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std::vector<TransactionSettings> transactionSequence;
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for (auto const& t: transactions)
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{
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QVariantMap transaction = t.toMap();
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QString contractId = transaction.value("contractId").toString();
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QString functionId = transaction.value("functionId").toString();
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u256 gas = boost::get<u256>(qvariant_cast<QBigInt*>(transaction.value("gas"))->internalValue());
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u256 value = (qvariant_cast<QEther*>(transaction.value("value")))->toU256Wei();
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u256 gasPrice = (qvariant_cast<QEther*>(transaction.value("gasPrice")))->toU256Wei();
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QString sender = transaction.value("sender").toString();
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bool isStdContract = (transaction.value("stdContract").toBool());
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if (isStdContract)
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{
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if (contractId.isEmpty()) //TODO: This is to support old project files, remove later
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contractId = functionId;
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TransactionSettings transactionSettings(contractId, transaction.value("url").toString());
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transactionSettings.gasPrice = 10000000000000;
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transactionSettings.gas = 125000;
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transactionSettings.value = 0;
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transactionSettings.sender = Secret(sender.toStdString());
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transactionSequence.push_back(transactionSettings);
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}
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else
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{
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if (contractId.isEmpty() && m_codeModel->hasContract()) //TODO: This is to support old project files, remove later
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contractId = m_codeModel->contracts().keys()[0];
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TransactionSettings transactionSettings(contractId, functionId, value, gas, gasPrice, Secret(sender.toStdString()));
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transactionSettings.parameterValues = transaction.value("parameters").toMap();
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if (contractId == functionId || functionId == "Constructor")
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transactionSettings.functionId.clear();
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transactionSequence.push_back(transactionSettings);
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}
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}
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executeSequence(transactionSequence, accounts);
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}
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void ClientModel::executeSequence(std::vector<TransactionSettings> const& _sequence, std::map<Secret, u256> const& _balances)
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{
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if (m_running)
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BOOST_THROW_EXCEPTION(ExecutionStateException());
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m_running = true;
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emit runStarted();
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emit runStateChanged();
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//run sequence
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QtConcurrent::run([=]()
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{
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try
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{
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m_client->resetState(_balances);
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onStateReset();
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for (TransactionSettings const& transaction: _sequence)
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{
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ContractCallDataEncoder encoder;
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if (!transaction.stdContractUrl.isEmpty())
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{
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//std contract
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dev::bytes const& stdContractCode = m_codeModel->getStdContractCode(transaction.contractId, transaction.stdContractUrl);
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TransactionSettings stdTransaction = transaction;
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stdTransaction.gas = 500000;// TODO: get this from std contracts library
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Address address = deployContract(stdContractCode, stdTransaction);
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m_stdContractAddresses[stdTransaction.contractId] = address;
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m_stdContractNames[address] = stdTransaction.contractId;
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}
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else
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{
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//encode data
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CompiledContract const& compilerRes = m_codeModel->contract(transaction.contractId);
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QFunctionDefinition const* f = nullptr;
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bytes contractCode = compilerRes.bytes();
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std::shared_ptr<QContractDefinition> contractDef = compilerRes.sharedContract();
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if (transaction.functionId.isEmpty())
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f = contractDef->constructor();
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else
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for (QFunctionDefinition const* tf: contractDef->functionsList())
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if (tf->name() == transaction.functionId)
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{
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f = tf;
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break;
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}
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if (!f)
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BOOST_THROW_EXCEPTION(FunctionNotFoundException() << FunctionName(transaction.functionId.toStdString()));
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if (!transaction.functionId.isEmpty())
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encoder.encode(f);
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for (QVariableDeclaration const* p: f->parametersList())
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{
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QSolidityType const* type = p->type();
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QVariant value = transaction.parameterValues.value(p->name());
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encoder.encode(value, type->type());
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}
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if (transaction.functionId.isEmpty() || transaction.functionId == transaction.contractId)
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{
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bytes param = encoder.encodedData();
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contractCode.insert(contractCode.end(), param.begin(), param.end());
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Address newAddress = deployContract(contractCode, transaction);
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auto contractAddressIter = m_contractAddresses.find(transaction.contractId);
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if (contractAddressIter == m_contractAddresses.end() || newAddress != contractAddressIter->second)
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{
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m_contractAddresses[transaction.contractId] = newAddress;
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m_contractNames[newAddress] = transaction.contractId;
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contractAddressesChanged();
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}
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}
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else
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{
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auto contractAddressIter = m_contractAddresses.find(transaction.contractId);
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if (contractAddressIter == m_contractAddresses.end())
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BOOST_THROW_EXCEPTION(dev::Exception() << dev::errinfo_comment("Contract not deployed: " + transaction.contractId.toStdString()));
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callContract(contractAddressIter->second, encoder.encodedData(), transaction);
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}
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}
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onNewTransaction();
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}
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m_running = false;
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emit runComplete();
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}
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catch(boost::exception const&)
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{
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std::cerr << boost::current_exception_diagnostic_information();
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emit runFailed(QString::fromStdString(boost::current_exception_diagnostic_information()));
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}
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catch(std::exception const& e)
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{
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std::cerr << boost::current_exception_diagnostic_information();
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emit runFailed(e.what());
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}
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m_running = false;
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emit runStateChanged();
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});
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}
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void ClientModel::showDebugger()
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{
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ExecutionResult last = m_client->lastExecution();
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showDebuggerForTransaction(last);
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}
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void ClientModel::showDebuggerForTransaction(ExecutionResult const& _t)
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{
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//we need to wrap states in a QObject before sending to QML.
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QDebugData* debugData = new QDebugData();
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QQmlEngine::setObjectOwnership(debugData, QQmlEngine::JavaScriptOwnership);
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QList<QCode*> codes;
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QList<QHash<int, int>> codeMaps;
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QList<AssemblyItems> codeItems;
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QList<CompiledContract const*> contracts;
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for (MachineCode const& code: _t.executionCode)
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{
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QHash<int, int> codeMap;
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codes.push_back(QMachineState::getHumanReadableCode(debugData, code.address, code.code, codeMap));
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codeMaps.push_back(std::move(codeMap));
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//try to resolve contract for source level debugging
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auto nameIter = m_contractNames.find(code.address);
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if (nameIter != m_contractNames.end())
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{
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CompiledContract const& compilerRes = m_codeModel->contract(nameIter->second);
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eth::AssemblyItems assemblyItems = !_t.isConstructor() ? compilerRes.assemblyItems() : compilerRes.constructorAssemblyItems();
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codes.back()->setDocument(compilerRes.documentId());
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codeItems.push_back(std::move(assemblyItems));
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contracts.push_back(&compilerRes);
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}
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else
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{
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codeItems.push_back(AssemblyItems());
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contracts.push_back(nullptr);
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}
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}
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QList<QCallData*> data;
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for (bytes const& d: _t.transactionData)
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data.push_back(QMachineState::getDebugCallData(debugData, d));
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QVariantList states;
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QVariantList solCallStack;
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std::map<int, QVariableDeclaration*> solLocals; //<stack pos, decl>
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std::map<QString, QVariableDeclaration*> storageDeclarations; //<name, decl>
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unsigned prevInstructionIndex = 0;
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for (MachineState const& s: _t.machineStates)
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{
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int instructionIndex = codeMaps[s.codeIndex][static_cast<unsigned>(s.curPC)];
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QSolState* solState = nullptr;
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if (!codeItems[s.codeIndex].empty() && contracts[s.codeIndex])
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{
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CompiledContract const* contract = contracts[s.codeIndex];
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AssemblyItem const& instruction = codeItems[s.codeIndex][instructionIndex];
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if (instruction.type() == dev::eth::Push && !instruction.data())
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{
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//register new local variable initialization
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auto localIter = contract->locals().find(LocationPair(instruction.getLocation().start, instruction.getLocation().end));
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if (localIter != contract->locals().end())
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solLocals[s.stack.size()] = new QVariableDeclaration(debugData, localIter.value().name.toStdString(), localIter.value().type);
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}
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if (instruction.type() == dev::eth::Tag)
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{
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//track calls into functions
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AssemblyItem const& prevInstruction = codeItems[s.codeIndex][prevInstructionIndex];
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auto functionIter = contract->functions().find(LocationPair(instruction.getLocation().start, instruction.getLocation().end));
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if (functionIter != contract->functions().end() && ((prevInstruction.getJumpType() == AssemblyItem::JumpType::IntoFunction) || solCallStack.empty()))
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solCallStack.push_back(QVariant::fromValue(functionIter.value()));
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else if (prevInstruction.getJumpType() == AssemblyItem::JumpType::OutOfFunction && !solCallStack.empty())
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solCallStack.pop_back();
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}
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//format solidity context values
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QVariantMap locals;
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QVariantList localDeclarations;
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QVariantMap localValues;
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for(auto l: solLocals)
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if (l.first < (int)s.stack.size())
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{
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localDeclarations.push_back(QVariant::fromValue(l.second));
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localValues[l.second->name()] = formatValue(l.second->type()->type(), s.stack[l.first]);
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}
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locals["variables"] = localDeclarations;
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locals["values"] = localValues;
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QVariantMap storage;
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QVariantList storageDeclarationList;
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QVariantMap storageValues;
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for(auto st: s.storage)
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if (st.first < std::numeric_limits<unsigned>::max())
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{
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auto storageIter = contract->storage().find(static_cast<unsigned>(st.first));
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if (storageIter != contract->storage().end())
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{
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QVariableDeclaration* storageDec = nullptr;
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auto decIter = storageDeclarations.find(storageIter.value().name);
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if (decIter != storageDeclarations.end())
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storageDec = decIter->second;
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else
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{
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storageDec = new QVariableDeclaration(debugData, storageIter.value().name.toStdString(), storageIter.value().type);
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storageDeclarations[storageDec->name()] = storageDec;
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}
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storageDeclarationList.push_back(QVariant::fromValue(storageDec));
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storageValues[storageDec->name()] = formatValue(storageDec->type()->type(), st.second);
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}
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}
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storage["variables"] = storageDeclarationList;
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storage["values"] = storageValues;
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prevInstructionIndex = instructionIndex;
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solState = new QSolState(debugData, std::move(storage), std::move(solCallStack), std::move(locals), instruction.getLocation().start, instruction.getLocation().end);
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}
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states.append(QVariant::fromValue(new QMachineState(debugData, instructionIndex, s, codes[s.codeIndex], data[s.dataIndex], solState)));
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}
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debugData->setStates(std::move(states));
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debugDataReady(debugData);
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}
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QVariant ClientModel::formatValue(SolidityType const& _type, dev::u256 const& _value)
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{
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ContractCallDataEncoder decoder;
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bytes val = toBigEndian(_value);
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QVariant res = decoder.decode(_type, val);
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return res;
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}
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void ClientModel::emptyRecord()
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{
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debugDataReady(new QDebugData());
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}
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void ClientModel::debugRecord(unsigned _index)
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{
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ExecutionResult e = m_client->execution(_index);
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showDebuggerForTransaction(e);
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}
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Address ClientModel::deployContract(bytes const& _code, TransactionSettings const& _ctrTransaction)
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{
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Address newAddress = m_client->submitTransaction(_ctrTransaction.sender, _ctrTransaction.value, _code, _ctrTransaction.gas, _ctrTransaction.gasPrice);
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return newAddress;
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}
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void ClientModel::callContract(Address const& _contract, bytes const& _data, TransactionSettings const& _tr)
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{
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m_client->submitTransaction(_tr.sender, _tr.value, _contract, _data, _tr.gas, _tr.gasPrice);
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}
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RecordLogEntry* ClientModel::lastBlock() const
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{
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eth::BlockInfo blockInfo = m_client->blockInfo();
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std::stringstream strGas;
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strGas << blockInfo.gasUsed;
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std::stringstream strNumber;
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strNumber << blockInfo.number;
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RecordLogEntry* record = new RecordLogEntry(0, QString::fromStdString(strNumber.str()), tr(" - Block - "), tr("Hash: ") + QString(QString::fromStdString(toHex(blockInfo.hash.ref()))), tr("Gas Used: ") + QString::fromStdString(strGas.str()), QString(), QString(), false, RecordLogEntry::RecordType::Block);
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QQmlEngine::setObjectOwnership(record, QQmlEngine::JavaScriptOwnership);
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return record;
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}
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void ClientModel::onStateReset()
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{
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m_contractAddresses.clear();
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m_contractNames.clear();
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m_stdContractAddresses.clear();
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m_stdContractNames.clear();
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emit stateCleared();
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}
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void ClientModel::onNewTransaction()
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{
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ExecutionResult const& tr = m_client->lastExecution();
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unsigned block = m_client->number() + 1;
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unsigned recordIndex = tr.executonIndex;
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QString transactionIndex = tr.isCall() ? QObject::tr("Call") : QString("%1:%2").arg(block).arg(tr.transactionIndex);
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QString address = QString::fromStdString(toJS(tr.address));
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QString value = QString::fromStdString(dev::toString(tr.value));
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QString contract = address;
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QString function;
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QString returned;
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bool creation = (bool)tr.contractAddress;
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//TODO: handle value transfer
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|
FixedHash<4> functionHash;
|
|
bool abi = false;
|
|
if (creation)
|
|
{
|
|
//contract creation
|
|
auto const stdContractName = m_stdContractNames.find(tr.contractAddress);
|
|
if (stdContractName != m_stdContractNames.end())
|
|
{
|
|
function = stdContractName->second;
|
|
contract = function;
|
|
}
|
|
else
|
|
function = QObject::tr("Constructor");
|
|
address = QObject::tr("(Create contract)");
|
|
}
|
|
else
|
|
{
|
|
//transaction/call
|
|
if (tr.transactionData.size() > 0 && tr.transactionData.front().size() >= 4)
|
|
{
|
|
functionHash = FixedHash<4>(tr.transactionData.front().data(), FixedHash<4>::ConstructFromPointer);
|
|
function = QString::fromStdString(toJS(functionHash));
|
|
abi = true;
|
|
}
|
|
else
|
|
function = QObject::tr("<none>");
|
|
}
|
|
|
|
if (creation)
|
|
returned = QString::fromStdString(toJS(tr.contractAddress));
|
|
|
|
Address contractAddress = (bool)tr.address ? tr.address : tr.contractAddress;
|
|
auto contractAddressIter = m_contractNames.find(contractAddress);
|
|
if (contractAddressIter != m_contractNames.end())
|
|
{
|
|
CompiledContract const& compilerRes = m_codeModel->contract(contractAddressIter->second);
|
|
const QContractDefinition* def = compilerRes.contract();
|
|
contract = def->name();
|
|
if (abi)
|
|
{
|
|
QFunctionDefinition const* funcDef = def->getFunction(functionHash);
|
|
if (funcDef)
|
|
{
|
|
function = funcDef->name();
|
|
ContractCallDataEncoder encoder;
|
|
QStringList returnValues = encoder.decode(funcDef->returnParameters(), tr.result.output);
|
|
returned += "(";
|
|
returned += returnValues.join(", ");
|
|
returned += ")";
|
|
}
|
|
}
|
|
}
|
|
|
|
RecordLogEntry* log = new RecordLogEntry(recordIndex, transactionIndex, contract, function, value, address, returned, tr.isCall(), RecordLogEntry::RecordType::Transaction);
|
|
QQmlEngine::setObjectOwnership(log, QQmlEngine::JavaScriptOwnership);
|
|
emit newRecord(log);
|
|
}
|
|
|
|
}
|
|
}
|
|
|