bytesConstRef JitVM::execImpl(u256& io_gas, ExtVMFace& _ext, OnOpFunc const& _onOp)
{
auto rejected = false;
// TODO: Rejecting transactions with gas limit > 2^63 can be used by attacker to take JIT out of scope
rejected |= io_gas > std::numeric_limits<decltype(m_data.gas)>::max(); // Do not accept requests with gas > 2^63 (int64 max)
rejected |= _ext.gasPrice > std::numeric_limits<decltype(m_data.gasPrice)>::max();
rejected |= _ext.envInfo().number() > std::numeric_limits<decltype(m_data.number)>::max();
rejected |= _ext.envInfo().timestamp() > std::numeric_limits<decltype(m_data.timestamp)>::max();
if (!toJITSchedule(_ext.evmSchedule(), m_schedule))
{
cwarn << "Schedule changed, not suitable for JIT!";
rejected = true;
}
if (rejected)
{
cwarn << "Execution rejected by EVM JIT (gas limit: " << io_gas << "), executing with interpreter";
m_fallbackVM = VMFactory::create(VMKind::Interpreter);
return m_fallbackVM->execImpl(io_gas, _ext, _onOp);
}
m_data.gas = static_cast<decltype(m_data.gas)>(io_gas);
m_data.gasPrice = static_cast<decltype(m_data.gasPrice)>(_ext.gasPrice);
m_data.callData = _ext.data.data();
m_data.callDataSize = _ext.data.size();
m_data.address = eth2jit(fromAddress(_ext.myAddress));
m_data.caller = eth2jit(fromAddress(_ext.caller));
m_data.origin = eth2jit(fromAddress(_ext.origin));
m_data.transferredValue = eth2jit(_ext.value);
m_data.apparentValue = eth2jit(_ext.value);
m_data.coinBase = eth2jit(fromAddress(_ext.envInfo().author()));
m_data.difficulty = eth2jit(_ext.envInfo().difficulty());
m_data.gasLimit = eth2jit(_ext.envInfo().gasLimit());
m_data.number = static_cast<decltype(m_data.number)>(_ext.envInfo().number());
m_data.timestamp = static_cast<decltype(m_data.timestamp)>(_ext.envInfo().timestamp());
m_data.code = _ext.code.data();
m_data.codeSize = _ext.code.size();
m_data.codeHash = eth2jit(_ext.codeHash);
// Pass pointer to ExtVMFace casted to evmjit::Env* opaque type.
// JIT will do nothing with the pointer, just pass it to Env callback functions implemented in Env.cpp.
m_context.init(m_data, reinterpret_cast<evmjit::Env*>(&_ext));
auto exitCode = evmjit::JIT::exec(m_context, m_schedule);
switch (exitCode)
{
case evmjit::ReturnCode::Suicide:
_ext.suicide(right160(jit2eth(m_data.address)));
break;
case evmjit::ReturnCode::OutOfGas:
BOOST_THROW_EXCEPTION(OutOfGas());
case evmjit::ReturnCode::LinkerWorkaround: // never happens
env_sload(); // but forces linker to include env_* JIT callback functions
break;
default:
break;
}
io_gas = m_data.gas;
return {std::get<0>(m_context.returnData), std::get<1>(m_context.returnData)};
}
QMessageAccountId addAccount(const Parameters ¶ms)
{
qWarning() << "ADDDDD";
QString name(params["name"]);
QString fromAddress(params["fromAddress"]);
if (!name.isEmpty()) {
QMailAccount account;
account.setName(name);
account.setStatus(QMailAccount::Enabled, true);
account.setStatus(QMailAccount::CanTransmit, true);
account.setMessageType(QMailMessage::Email);
if (!fromAddress.isEmpty()) {
account.setFromAddress(QMailAddress(QString(), fromAddress));
}
// Ensure that we initialise to the current version for file storage
const QString key("qmfstoragemanager");
QMailAccountConfiguration config;
config.addServiceConfiguration(key);
QMailAccountConfiguration::ServiceConfiguration &svcCfg(config.serviceConfiguration(key));
svcCfg.setValue("servicetype", "storage");
svcCfg.setValue("version", "101");
if (!QMailStore::instance()->addAccount(&account, &config)) {
qWarning() << "Unable to addAccount:" << name;
} else {
return QmfHelpers::convert(account.id());
}
}
return QMessageAccountId();
}
NEXT
CASE(ORIGIN)
{
ON_OP();
updateIOGas();
m_SPP[0] = fromAddress(fromEvmC(getTxContext().tx_origin));
}
CONTINUE
CASE(ADDRESS)
{
ON_OP();
updateIOGas();
m_SPP[0] = fromAddress(fromEvmC(m_message->destination));
}
NEXT
CASE(COINBASE)
{
ON_OP();
updateIOGas();
m_SPP[0] = fromAddress(fromEvmC(getTxContext().block_coinbase));
}
NEXT
CASE(CALLER)
{
ON_OP();
updateIOGas();
m_SPP[0] = fromAddress(fromEvmC(m_message->sender));
}
QByteArray Request::headerFields( const QString & fromRealName ) const {
if ( !emitHeaders() )
return 0;
assert( hasFromAddress() ); // should have been checked for by
// caller (MAIL FROM comes before DATA)
QByteArray result = "From: " + formatFromAddress( fromRealName, fromAddress() ) + "\r\n";
if ( !subject().isEmpty() )
result += "Subject: " + formatSubject( subject() ) + "\r\n";
if ( !to().empty() )
result += QByteArray( "To: " ) + to().join( QLatin1String(",\r\n\t") /* line folding */ ).toLatin1() + "\r\n";
if ( !cc().empty() )
result += QByteArray( "Cc: " ) + cc().join( QLatin1String(",\r\n\t") /* line folding */ ).toLatin1() + "\r\n";
return result;
}