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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 OurWebThreeStubServer.cpp
* @author Gav Wood <i@gavwood.com>
* @date 2014
*/
#include "OurWebThreeStubServer.h"
#include <QMessageBox>
#include <QAbstractButton>
#include <libwebthree/WebThree.h>
#include "MainWin.h"
using namespace std;
using namespace dev;
using namespace dev::eth;
OurWebThreeStubServer::OurWebThreeStubServer(jsonrpc::AbstractServerConnector& _conn, dev::WebThreeDirect& _web3,
std::vector<dev::KeyPair> const& _accounts, Main* main):
WebThreeStubServer(_conn, _web3, _accounts), m_web3(&_web3), m_main(main)
{}
std::string OurWebThreeStubServer::shh_newIdentity()
{
dev::KeyPair kp = dev::KeyPair::create();
emit onNewId(QString::fromStdString(toJS(kp.sec())));
return toJS(kp.pub());
}
bool OurWebThreeStubServer::authenticate(dev::TransactionSkeleton const& _t) const
{
// To get the balance of the sender
cnote << "Sender has ETH: " << m_web3->ethereum()->postState().balance(_t.from);
h256 contractCodeHash = m_web3->ethereum()->postState().codeHash(_t.to);
if (contractCodeHash == EmptySHA3)
{
// recipient has no code - nothing special about this transaction.
// TODO: show basic message for value transfer.
return true; // or whatever.
}
//LTODO: Just for debugging here
cnote << "Contract hash:\n" << contractCodeHash;
cnote << "Transaction Value:\n" << "0x" + toHex(_t.value);
cnote << "Transaction Data:\n" << "0x" + toHex(_t.data);
//LTODO: Actually find and use the method name here
// std::string userNotice = m_main->lookupNatSpecUserNotice(contractCodeHash, "multiply");
std::string userNotice = m_main->lookupNatSpecUserNotice(contractCodeHash, _t.data);
if (userNotice.empty())
{
QMessageBox userInput;
userInput.setText("Unverified Pending Transaction");
userInput.setInformativeText("An undocumented transaction is about to be executed."
"Are you really sure you want to go through with it?");
userInput.setStandardButtons(QMessageBox::Ok | QMessageBox::Cancel);
userInput.setDefaultButton(QMessageBox::Cancel);
return userInput.exec() == QMessageBox::Ok;
}
// otherwise it's a transaction to a contract for which we have the natspec
QMessageBox userInput;
userInput.setText("Pending Transaction");
userInput.setInformativeText(QString::fromStdString(userNotice + "\n Do you wish to allow this?"));
userInput.setStandardButtons(QMessageBox::Ok | QMessageBox::Cancel);
userInput.button(QMessageBox::Ok)->setText("Allow");
userInput.button(QMessageBox::Cancel)->setText("Reject");
userInput.setDefaultButton(QMessageBox::Cancel);
return userInput.exec() == QMessageBox::Ok;
}