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