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/*
This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file ClientModel.cpp
* @author Yann yann@ethdev.com
* @author Arkadiy Paronyan arkadiy@ethdev.com
* @date 2015
* Ethereum IDE client.
*/
// Make sure boost/asio.hpp is included before windows.h.
#include <boost/asio.hpp>
#include "ClientModel.h"
#include <QtConcurrent/QtConcurrent>
#include <QDebug>
#include <QQmlContext>
#include <QQmlApplicationEngine>
#include <QStandardPaths>
#include <jsonrpccpp/server.h>
#include <libethcore/CommonJS.h>
#include <libethereum/Transaction.h>
#include <libdevcore/FixedHash.h>
#include "DebuggingStateWrapper.h"
#include "Exceptions.h"
#include "QContractDefinition.h"
#include "QVariableDeclaration.h"
#include "QVariableDefinition.h"
#include "ContractCallDataEncoder.h"
#include "CodeModel.h"
#include "QEther.h"
#include "Web3Server.h"
#include "MixClient.h"
using namespace dev;
using namespace dev::eth;
using namespace std;
namespace dev
{
namespace mix
{
class RpcConnector: public jsonrpc::AbstractServerConnector
{
public:
virtual bool StartListening() override { return true; }
virtual bool StopListening() override { return true; }
virtual bool SendResponse(string const& _response, void*) override
{
m_response = QString::fromStdString(_response);
return true;
}
QString response() const { return m_response; }
private:
QString m_response;
};
ClientModel::ClientModel():
m_running(false), m_rpcConnector(new RpcConnector())
{
qRegisterMetaType<QBigInt*>("QBigInt*");
qRegisterMetaType<QVariableDefinition*>("QVariableDefinition*");
qRegisterMetaType<QList<QVariableDefinition*>>("QList<QVariableDefinition*>");
qRegisterMetaType<QList<QVariableDeclaration*>>("QList<QVariableDeclaration*>");
qRegisterMetaType<QVariableDeclaration*>("QVariableDeclaration*");
qRegisterMetaType<QSolidityType*>("QSolidityType*");
qRegisterMetaType<QMachineState*>("QMachineState");
qRegisterMetaType<QInstruction*>("QInstruction");
qRegisterMetaType<QCode*>("QCode");
qRegisterMetaType<QCallData*>("QCallData");
qRegisterMetaType<RecordLogEntry*>("RecordLogEntry*");
m_client.reset(new MixClient(QStandardPaths::writableLocation(QStandardPaths::TempLocation).toStdString()));
m_ethAccounts = make_shared<FixedAccountHolder>([=](){return m_client.get();}, std::vector<KeyPair>());
m_web3Server.reset(new Web3Server(*m_rpcConnector.get(), m_ethAccounts, std::vector<KeyPair>(), m_client.get()));
connect(m_web3Server.get(), &Web3Server::newTransaction, this, &ClientModel::onNewTransaction, Qt::DirectConnection);
}
ClientModel::~ClientModel()
{
m_runFuture.waitForFinished();
}
QString ClientModel::apiCall(QString const& _message)
{
try
{
m_rpcConnector->OnRequest(_message.toStdString(), nullptr);
return m_rpcConnector->response();
}
catch (...)
{
cerr << boost::current_exception_diagnostic_information();
return QString();
}
}
void ClientModel::mine()
{
if (m_mining)
BOOST_THROW_EXCEPTION(ExecutionStateException());
m_mining = true;
emit miningStarted();
emit miningStateChanged();
m_runFuture = QtConcurrent::run([=]()
{
try
{
m_client->mine();
newBlock();
m_mining = false;
emit miningComplete();
}
catch (...)
{
m_mining = false;
cerr << boost::current_exception_diagnostic_information();
emit runFailed(QString::fromStdString(boost::current_exception_diagnostic_information()));
}
emit miningStateChanged();
});
}
QString ClientModel::newSecret()
{
KeyPair a = KeyPair::create();
return QString::fromStdString(dev::toHex(a.secret().ref()));
}
QString ClientModel::address(QString const& _secret)
{
return QString::fromStdString(dev::toHex(KeyPair(Secret(_secret.toStdString())).address().ref()));
}
QString ClientModel::toHex(QString const& _int)
{
return QString::fromStdString(dev::toHex(dev::u256(_int.toStdString())));
}
QString ClientModel::encodeAbiString(QString _string)
{
ContractCallDataEncoder encoder;
return QString::fromStdString(dev::toHex(encoder.encodeBytes(_string)));
}
QString ClientModel::encodeStringParam(QString const& _param)
{
ContractCallDataEncoder encoder;
return QString::fromStdString(dev::toHex(encoder.encodeStringParam(_param, 32)));
}
QStringList ClientModel::encodeParams(QVariant const& _param, QString const& _contract, QString const& _function)
{
QStringList ret;
CompiledContract const& compilerRes = m_codeModel->contract(_contract);
QList<QVariableDeclaration*> paramsList;
shared_ptr<QContractDefinition> contractDef = compilerRes.sharedContract();
if (_contract == _function)
paramsList = contractDef->constructor()->parametersList();
else
for (QFunctionDefinition* tf: contractDef->functionsList())
if (tf->name() == _function)
{
paramsList = tf->parametersList();
break;
}
if (paramsList.length() > 0)
for (QVariableDeclaration* var: paramsList)
{
ContractCallDataEncoder encoder;
QSolidityType const* type = var->type();
QVariant value = _param.toMap().value(var->name());
encoder.encode(value, type->type());
ret.push_back(QString::fromStdString(dev::toHex(encoder.encodedData())));
}
return ret;
}
QVariantMap ClientModel::contractAddresses() const
{
QVariantMap res;
for (auto const& c: m_contractAddresses)
res.insert(c.first.first, QString::fromStdString(toJS(c.second)));
return res;
}
QVariantList ClientModel::gasCosts() const
{
QVariantList res;
for (auto const& c: m_gasCosts)
res.append(QVariant::fromValue(static_cast<int>(c)));
return res;
}
void ClientModel::setupScenario(QVariantMap _scenario)
{
onStateReset();
WriteGuard(x_queueTransactions);
m_running = true;
QVariantList blocks = _scenario.value("blocks").toList();
QVariantList stateAccounts = _scenario.value("accounts").toList();
m_accounts.clear();
m_accountsSecret.clear();
for (auto const& b: stateAccounts)
{
QVariantMap account = b.toMap();
Address address = {};
if (account.contains("secret"))
{
KeyPair key(Secret(account.value("secret").toString().toStdString()));
m_accountsSecret.push_back(key);
address = key.address();
}
else if (account.contains("address"))
address = Address(fromHex(account.value("address").toString().toStdString()));
if (!address)
continue;
m_accounts[address] = Account(qvariant_cast<QEther*>(account.value("balance"))->toU256Wei(), Account::NormalCreation);
}
m_ethAccounts->setAccounts(m_accountsSecret);
bool trToExecute = false;
for (auto const& b: blocks)
{
QVariantList transactions = b.toMap().value("transactions").toList();
m_queueTransactions.push_back(transactions);
trToExecute = transactions.size() > 0;
}
m_client->resetState(m_accounts, Secret(_scenario.value("miner").toMap().value("secret").toString().toStdString()));
if (m_queueTransactions.count() > 0 && trToExecute)
{
setupExecutionChain();
processNextTransactions();
}
else
m_running = false;
}
void ClientModel::setupExecutionChain()
{
connect(this, &ClientModel::newBlock, this, &ClientModel::processNextTransactions, Qt::QueuedConnection);
connect(this, &ClientModel::runFailed, this, &ClientModel::stopExecution, Qt::QueuedConnection);
connect(this, &ClientModel::runStateChanged, this, &ClientModel::finalizeBlock, Qt::QueuedConnection);
}
void ClientModel::stopExecution()
{
disconnect(this, &ClientModel::newBlock, this, &ClientModel::processNextTransactions);
disconnect(this, &ClientModel::runStateChanged, this, &ClientModel::finalizeBlock);
disconnect(this, &ClientModel::runFailed, this, &ClientModel::stopExecution);
m_running = false;
}
void ClientModel::finalizeBlock()
{
m_queueTransactions.pop_front();// pop last execution group. The last block is never mined (pending block)
if (m_queueTransactions.size() > 0)
mine();
else
{
stopExecution();
emit runComplete();
}
}
void ClientModel::processNextTransactions()
{
WriteGuard(x_queueTransactions);
vector<TransactionSettings> transactionSequence;
for (auto const& t: m_queueTransactions.front())
{
QVariantMap transaction = t.toMap();
QString contractId = transaction.value("contractId").toString();
QString functionId = transaction.value("functionId").toString();
bool gasAuto = transaction.value("gasAuto").toBool();
u256 gas = 0;
if (transaction.value("gas").data())
gas = boost::get<u256>(qvariant_cast<QBigInt*>(transaction.value("gas"))->internalValue());
else
gasAuto = true;
u256 value = (qvariant_cast<QEther*>(transaction.value("value")))->toU256Wei();
u256 gasPrice = (qvariant_cast<QEther*>(transaction.value("gasPrice")))->toU256Wei();
QString sender = transaction.value("sender").toString();
bool isContractCreation = transaction.value("isContractCreation").toBool();
bool isFunctionCall = transaction.value("isFunctionCall").toBool();
if (contractId.isEmpty() && m_codeModel->hasContract()) //TODO: This is to support old project files, remove later
contractId = m_codeModel->contracts().keys()[0];
Secret f = Secret(sender.toStdString());
TransactionSettings transactionSettings(contractId, functionId, value, gas, gasAuto, gasPrice, f, isContractCreation, isFunctionCall);
transactionSettings.parameterValues = transaction.value("parameters").toMap();
if (contractId == functionId || functionId == "Constructor")
transactionSettings.functionId.clear();
transactionSequence.push_back(transactionSettings);
}
executeSequence(transactionSequence);
}
void ClientModel::executeSequence(vector<TransactionSettings> const& _sequence)
{
if (m_running)
{
qWarning() << "Waiting for current execution to complete";
m_runFuture.waitForFinished();
}
emit runStarted();
//run sequence
m_runFuture = QtConcurrent::run([=]()
{
try
{
m_gasCosts.clear();
for (TransactionSettings const& transaction: _sequence)
{
std::pair<QString, int> ctrInstance = resolvePair(transaction.contractId);
QString address = resolveToken(ctrInstance);
if (!transaction.isFunctionCall)
{
callAddress(Address(address.toStdString()), bytes(), transaction);
onNewTransaction();
continue;
}
ContractCallDataEncoder encoder;
//encode data
CompiledContract const& compilerRes = m_codeModel->contract(ctrInstance.first);
QFunctionDefinition const* f = nullptr;
bytes contractCode = compilerRes.bytes();
shared_ptr<QContractDefinition> contractDef = compilerRes.sharedContract();
if (transaction.functionId.isEmpty())
f = contractDef->constructor();
else
for (QFunctionDefinition const* tf: contractDef->functionsList())
if (tf->name() == transaction.functionId)
{
f = tf;
break;
}
if (!f)
emit runFailed("Function '" + transaction.functionId + tr("' not found. Please check transactions or the contract code."));
if (!transaction.functionId.isEmpty())
encoder.encode(f);
for (QVariableDeclaration const* p: f->parametersList())
{
QSolidityType const* type = p->type();
QVariant value = transaction.parameterValues.value(p->name());
if (type->type().type == SolidityType::Type::Address && value.toString().startsWith("<"))
{
std::pair<QString, int> ctrParamInstance = resolvePair(value.toString());
value = QVariant(resolveToken(ctrParamInstance));
}
encoder.encode(value, type->type());
}
if (transaction.functionId.isEmpty() || transaction.functionId == ctrInstance.first)
{
bytes param = encoder.encodedData();
contractCode.insert(contractCode.end(), param.begin(), param.end());
Address newAddress = deployContract(contractCode, transaction);
std::pair<QString, int> contractToken = retrieveToken(transaction.contractId);
m_contractAddresses[contractToken] = newAddress;
m_contractNames[newAddress] = contractToken.first;
contractAddressesChanged();
gasCostsChanged();
}
else
{
auto contractAddressIter = m_contractAddresses.find(ctrInstance);
if (contractAddressIter == m_contractAddresses.end())
emit runFailed("Contract '" + transaction.contractId + tr(" not deployed.") + "' " + tr(" Cannot call ") + transaction.functionId);
callAddress(contractAddressIter->second, encoder.encodedData(), transaction);
}
m_gasCosts.append(m_client->lastExecution().gasUsed);
onNewTransaction();
}
emit runComplete();
}
catch(boost::exception const&)
{
cerr << boost::current_exception_diagnostic_information();
emit runFailed(QString::fromStdString(boost::current_exception_diagnostic_information()));
}
catch(exception const& e)
{
cerr << boost::current_exception_diagnostic_information();
emit runFailed(e.what());
}
emit runStateChanged();
});
}
void ClientModel::executeTr(QVariantMap _tr)
{
WriteGuard(x_queueTransactions);
QVariantList trs;
trs.push_back(_tr);
m_queueTransactions.push_back(trs);
if (!m_running)
{
m_running = true;
setupExecutionChain();
processNextTransactions();
}
}
std::pair<QString, int> ClientModel::resolvePair(QString const& _contractId)
{
std::pair<QString, int> ret = std::make_pair(_contractId, 0);
if (_contractId.startsWith("<") && _contractId.endsWith(">"))
{
QStringList values = ret.first.remove("<").remove(">").split(" - ");
ret = std::make_pair(values[0], values[1].toUInt());
}
if (_contractId.startsWith("0x"))
ret = std::make_pair(_contractId, -2);
return ret;
}
QString ClientModel::resolveToken(std::pair<QString, int> const& _value)
{
if (_value.second == -2) //-2: first contains a real address
return _value.first;
else if (m_contractAddresses.size() > 0)
return QString::fromStdString("0x" + dev::toHex(m_contractAddresses[_value].ref()));
else
return _value.first;
}
std::pair<QString, int> ClientModel::retrieveToken(QString const& _value)
{
std::pair<QString, int> ret;
ret.first = _value;
ret.second = m_contractAddresses.size();
return ret;
}
void ClientModel::showDebugger()
{
ExecutionResult last = m_client->lastExecution();
showDebuggerForTransaction(last);
}
void ClientModel::showDebuggerForTransaction(ExecutionResult const& _t)
{
//we need to wrap states in a QObject before sending to QML.
QDebugData* debugData = new QDebugData();
QQmlEngine::setObjectOwnership(debugData, QQmlEngine::JavaScriptOwnership);
QList<QCode*> codes;
QList<QHash<int, int>> codeMaps;
QList<AssemblyItems> codeItems;
QList<CompiledContract const*> contracts;
for (MachineCode const& code: _t.executionCode)
{
QHash<int, int> codeMap;
codes.push_back(QMachineState::getHumanReadableCode(debugData, code.address, code.code, codeMap));
codeMaps.push_back(move(codeMap));
//try to resolve contract for source level debugging
auto nameIter = m_contractNames.find(code.address);
CompiledContract const* compilerRes = nullptr;
if (nameIter != m_contractNames.end() && (compilerRes = m_codeModel->tryGetContract(nameIter->second))) //returned object is guaranteed to live till the end of event handler in main thread
{
eth::AssemblyItems assemblyItems = !_t.isConstructor() ? compilerRes->assemblyItems() : compilerRes->constructorAssemblyItems();
codes.back()->setDocument(compilerRes->documentId());
codeItems.push_back(move(assemblyItems));
contracts.push_back(compilerRes);
}
else
{
codeItems.push_back(AssemblyItems());
contracts.push_back(nullptr);
}
}
QList<QCallData*> data;
for (bytes const& d: _t.transactionData)
data.push_back(QMachineState::getDebugCallData(debugData, d));
QVariantList states;
QVariantList solCallStack;
map<int, QVariableDeclaration*> solLocals; //<stack pos, decl>
map<QString, QVariableDeclaration*> storageDeclarations; //<name, decl>
unsigned prevInstructionIndex = 0;
for (MachineState const& s: _t.machineStates)
{
int instructionIndex = codeMaps[s.codeIndex][static_cast<unsigned>(s.curPC)];
QSolState* solState = nullptr;
if (!codeItems[s.codeIndex].empty() && contracts[s.codeIndex])
{
CompiledContract const* contract = contracts[s.codeIndex];
AssemblyItem const& instruction = codeItems[s.codeIndex][instructionIndex];
if (instruction.type() == eth::Push && !instruction.data())
{
//register new local variable initialization
auto localIter = contract->locals().find(LocationPair(instruction.getLocation().start, instruction.getLocation().end));
if (localIter != contract->locals().end())
solLocals[s.stack.size()] = new QVariableDeclaration(debugData, localIter.value().name.toStdString(), localIter.value().type);
}
if (instruction.type() == eth::Tag)
{
//track calls into functions
AssemblyItem const& prevInstruction = codeItems[s.codeIndex][prevInstructionIndex];
QString functionName = m_codeModel->resolveFunctionName(instruction.getLocation());
if (!functionName.isEmpty() && ((prevInstruction.getJumpType() == AssemblyItem::JumpType::IntoFunction) || solCallStack.empty()))
solCallStack.push_front(QVariant::fromValue(functionName));
else if (prevInstruction.getJumpType() == AssemblyItem::JumpType::OutOfFunction && !solCallStack.empty())
{
solCallStack.pop_front();
solLocals.clear();
}
}
//format solidity context values
QVariantMap locals;
QVariantList localDeclarations;
QVariantMap localValues;
for (auto l: solLocals)
if (l.first < (int)s.stack.size())
{
if (l.second->type()->name().startsWith("mapping"))
break; //mapping type not yet managed
localDeclarations.push_back(QVariant::fromValue(l.second));
localValues[l.second->name()] = formatValue(l.second->type()->type(), s.stack[l.first]);
}
locals["variables"] = localDeclarations;
locals["values"] = localValues;
QVariantMap storage;
QVariantList storageDeclarationList;
QVariantMap storageValues;
for (auto st: s.storage)
if (st.first < numeric_limits<unsigned>::max())
{
auto storageIter = contract->storage().find(static_cast<unsigned>(st.first));
if (storageIter != contract->storage().end())
{
QVariableDeclaration* storageDec = nullptr;
for (SolidityDeclaration const& codeDec : storageIter.value())
{
if (codeDec.type.name.startsWith("mapping"))
continue; //mapping type not yet managed
auto decIter = storageDeclarations.find(codeDec.name);
if (decIter != storageDeclarations.end())
storageDec = decIter->second;
else
{
storageDec = new QVariableDeclaration(debugData, codeDec.name.toStdString(), codeDec.type);
storageDeclarations[storageDec->name()] = storageDec;
}
storageDeclarationList.push_back(QVariant::fromValue(storageDec));
storageValues[storageDec->name()] = formatStorageValue(storageDec->type()->type(), s.storage, codeDec.offset, codeDec.slot);
}
}
}
storage["variables"] = storageDeclarationList;
storage["values"] = storageValues;
prevInstructionIndex = instructionIndex;
// filter out locations that match whole function or contract
SourceLocation location = instruction.getLocation();
QString source;
if (location.sourceName)
source = QString::fromUtf8(location.sourceName->c_str());
if (m_codeModel->isContractOrFunctionLocation(location))
location = dev::SourceLocation(-1, -1, location.sourceName);
solState = new QSolState(debugData, move(storage), move(solCallStack), move(locals), location.start, location.end, source);
}
states.append(QVariant::fromValue(new QMachineState(debugData, instructionIndex, s, codes[s.codeIndex], data[s.dataIndex], solState)));
}
debugData->setStates(move(states));
debugDataReady(debugData);
}
QVariant ClientModel::formatValue(SolidityType const& _type, u256 const& _value)
{
ContractCallDataEncoder decoder;
bytes val = toBigEndian(_value);
QVariant res = decoder.decode(_type, val);
return res;
}
QVariant ClientModel::formatStorageValue(SolidityType const& _type, unordered_map<u256, u256> const& _storage, unsigned _offset, u256 const& _slot)
{
u256 slot = _slot;
QVariantList values;
ContractCallDataEncoder decoder;
u256 count = 1;
if (_type.dynamicSize)
{
count = _storage.at(slot);
slot = fromBigEndian<u256>(sha3(toBigEndian(slot)).asBytes());
}
else if (_type.array)
count = _type.count;
unsigned offset = _offset;
while (count--)
{
auto slotIter = _storage.find(slot);
u256 slotValue = slotIter != _storage.end() ? slotIter->second : u256();
bytes slotBytes = toBigEndian(slotValue);
auto start = slotBytes.end() - _type.size - offset;
bytes val(32 - _type.size); //prepend with zeroes
if (_type.type == SolidityType::SignedInteger && (*start & 0x80)) //extend sign
std::fill(val.begin(), val.end(), 0xff);
val.insert(val.end(), start, start + _type.size);
values.append(decoder.decode(_type, val));
offset += _type.size;
if ((offset + _type.size) > 32)
{
slot++;
offset = 0;
}
}
if (!_type.array)
return values[0];
return QVariant::fromValue(values);
}
void ClientModel::emptyRecord()
{
debugDataReady(new QDebugData());
}
void ClientModel::debugRecord(unsigned _index)
{
ExecutionResult e = m_client->execution(_index);
showDebuggerForTransaction(e);
}
Address ClientModel::deployContract(bytes const& _code, TransactionSettings const& _ctrTransaction)
{
Address newAddress = m_client->submitTransaction(_ctrTransaction.sender, _ctrTransaction.value, _code, _ctrTransaction.gas, _ctrTransaction.gasPrice, _ctrTransaction.gasAuto);
return newAddress;
}
void ClientModel::callAddress(Address const& _contract, bytes const& _data, TransactionSettings const& _tr)
{
m_client->submitTransaction(_tr.sender, _tr.value, _contract, _data, _tr.gas, _tr.gasPrice, _tr.gasAuto);
}
RecordLogEntry* ClientModel::lastBlock() const
{
eth::BlockInfo blockInfo = m_client->blockInfo();
stringstream strGas;
strGas << blockInfo.gasUsed;
stringstream strNumber;
strNumber << blockInfo.number;
RecordLogEntry* record = new RecordLogEntry(0, QString::fromStdString(strNumber.str()), tr(" - Block - "), tr("Hash: ") + QString(QString::fromStdString(dev::toHex(blockInfo.hash().ref()))), QString(), QString(), QString(), false, RecordLogEntry::RecordType::Block, QString::fromStdString(strGas.str()), QString(), tr("Block"), QVariantMap(), QVariantList());
QQmlEngine::setObjectOwnership(record, QQmlEngine::JavaScriptOwnership);
return record;
}
void ClientModel::onStateReset()
{
m_contractAddresses.clear();
m_contractNames.clear();
m_stdContractAddresses.clear();
m_stdContractNames.clear();
m_queueTransactions.clear();
emit stateCleared();
}
void ClientModel::onNewTransaction()
{
ExecutionResult const& tr = m_client->lastExecution();
unsigned block = m_client->number() + 1;
unsigned recordIndex = tr.executonIndex;
QString transactionIndex = tr.isCall() ? QObject::tr("Call") : QString("%1:%2").arg(block).arg(tr.transactionIndex);
QString address = QString::fromStdString(toJS(tr.address));
QString value = QString::fromStdString(toString(tr.value));
QString contract = address;
QString function;
QString returned;
QString gasUsed;
bool creation = (bool)tr.contractAddress;
if (!tr.isCall())
gasUsed = QString::fromStdString(toString(tr.gasUsed));
//TODO: handle value transfer
FixedHash<4> functionHash;
bool abi = false;
if (creation)
{
//contract creation
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);
QVariantMap inputParameters;
QVariantList logs;
if (contractAddressIter != m_contractNames.end())
{
ContractCallDataEncoder encoder;
CompiledContract const& compilerRes = m_codeModel->contract(contractAddressIter->second);
const QContractDefinition* def = compilerRes.contract();
contract = def->name();
if (creation)
function = contract;
if (abi)
{
QFunctionDefinition const* funcDef = def->getFunction(functionHash);
if (funcDef)
{
function = funcDef->name();
QStringList returnValues = encoder.decode(funcDef->returnParameters(), tr.result.output);
returned += "(";
returned += returnValues.join(", ");
returned += ")";
bytes data = tr.inputParameters;
data.erase(data.begin(), data.begin() + 4);
QStringList parameters = encoder.decode(funcDef->parametersList(), data);
for (int k = 0; k < parameters.length(); ++k)
inputParameters.insert(funcDef->parametersList().at(k)->name(), parameters.at(k));
}
}
// Fill generated logs and decode parameters
for (auto const& log: tr.logs)
{
QVariantMap l;
l.insert("address", QString::fromStdString(log.address.hex()));
std::ostringstream s;
s << log.data;
l.insert("data", QString::fromStdString(s.str()));
std::ostringstream streamTopic;
streamTopic << log.topics;
l.insert("topic", QString::fromStdString(streamTopic.str()));
auto const& sign = log.topics.front(); // first hash supposed to be the event signature. To check
auto dataIterator = log.data.begin();
int topicDataIndex = 1;
for (auto const& event: def->eventsList())
{
if (sign == event->fullHash())
{
QVariantList paramsList;
l.insert("name", event->name());
for (auto const& e: event->parametersList())
{
bytes data;
QString param;
if (!e->isIndexed())
{
data = bytes(dataIterator, dataIterator + 32);
dataIterator = dataIterator + 32;
}
else
{
data = log.topics.at(topicDataIndex).asBytes();
topicDataIndex++;
}
param = encoder.decode(e, data);
QVariantMap p;
p.insert("indexed", e->isIndexed());
p.insert("value", param);
p.insert("name", e->name());
paramsList.push_back(p);
}
l.insert("param", paramsList);
break;
}
}
logs.push_back(l);
}
}
QString sender;
for (auto const& secret: m_accountsSecret)
{
if (secret.address() == tr.sender)
{
sender = QString::fromStdString(dev::toHex(secret.secret().ref()));
break;
}
}
QString label;
if (function != QObject::tr("<none>"))
label = contract + "." + function + "()";
else
label = contract;
if (!creation)
for (auto const& ctr: m_contractAddresses)
{
if (ctr.second == tr.address)
{
contract = "<" + ctr.first.first + " - " + QString::number(ctr.first.second) + ">";
break;
}
}
RecordLogEntry* log = new RecordLogEntry(recordIndex, transactionIndex, contract, function, value, address, returned, tr.isCall(), RecordLogEntry::RecordType::Transaction,
gasUsed, sender, label, inputParameters, logs);
QQmlEngine::setObjectOwnership(log, QQmlEngine::JavaScriptOwnership);
emit newRecord(log);
}
}
}