You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
99 lines
2.6 KiB
99 lines
2.6 KiB
/*
|
|
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 Transaction.cpp
|
|
* @author Gav Wood <i@gavwood.com>
|
|
* @date 2014
|
|
*/
|
|
|
|
#include <libdevcore/vector_ref.h>
|
|
#include <libdevcore/Log.h>
|
|
#include <libdevcrypto/Common.h>
|
|
#include <libethcore/Exceptions.h>
|
|
#include "Transaction.h"
|
|
using namespace std;
|
|
using namespace dev;
|
|
using namespace dev::eth;
|
|
|
|
#define ETH_ADDRESS_DEBUG 0
|
|
|
|
Transaction::Transaction(bytesConstRef _rlpData, bool _checkSender)
|
|
{
|
|
int field = 0;
|
|
RLP rlp(_rlpData);
|
|
try
|
|
{
|
|
nonce = rlp[field = 0].toInt<u256>();
|
|
gasPrice = rlp[field = 1].toInt<u256>();
|
|
gas = rlp[field = 2].toInt<u256>();
|
|
type = rlp[field = 3].isEmpty() ? ContractCreation : MessageCall;
|
|
receiveAddress = rlp[field = 3].toHash<Address>();
|
|
value = rlp[field = 4].toInt<u256>();
|
|
data = rlp[field = 5].toBytes();
|
|
vrs = SignatureStruct{ rlp[field = 7].toInt<u256>(), rlp[field = 8].toInt<u256>(), byte(rlp[field = 6].toInt<byte>() - 27) };
|
|
if (_checkSender)
|
|
m_sender = sender();
|
|
}
|
|
catch (Exception & _e)
|
|
{
|
|
_e << errinfo_name("invalid transaction format") << BadFieldError(field,toHex(rlp[field].data().toBytes()));
|
|
throw;
|
|
}
|
|
}
|
|
|
|
Address Transaction::safeSender() const noexcept
|
|
{
|
|
try
|
|
{
|
|
return sender();
|
|
}
|
|
catch (...)
|
|
{
|
|
cwarn << "safeSender() did throw an exception: " << boost::current_exception_diagnostic_information();
|
|
return Address();
|
|
}
|
|
}
|
|
|
|
Address Transaction::sender() const
|
|
{
|
|
if (!m_sender)
|
|
{
|
|
auto p = recover(*(Signature const*)&vrs, sha3(false));
|
|
if (!p)
|
|
BOOST_THROW_EXCEPTION(InvalidSignature());
|
|
m_sender = right160(dev::sha3(bytesConstRef(p.data(), sizeof(p))));
|
|
}
|
|
return m_sender;
|
|
}
|
|
|
|
void Transaction::sign(Secret _priv)
|
|
{
|
|
auto sig = dev::sign(_priv, sha3(false));
|
|
vrs = *(SignatureStruct const*)&sig;
|
|
}
|
|
|
|
void Transaction::streamRLP(RLPStream& _s, bool _sig) const
|
|
{
|
|
_s.appendList((_sig ? 3 : 0) + 6);
|
|
_s << nonce << gasPrice << gas;
|
|
if (type == MessageCall)
|
|
_s << receiveAddress;
|
|
else
|
|
_s << "";
|
|
_s << value << data;
|
|
if (_sig)
|
|
_s << (vrs.v + 27) << (u256)vrs.r << (u256)vrs.s;
|
|
}
|
|
|