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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 TestHelper.h
+ * @author Marko Simovic <markobarko@gmail.com>
+ * @date 2014
+ */
+
+#pragma once
+
+#include <functional>
+#include <boost/test/unit_test.hpp>
+#include "JsonSpiritHeaders.h"
+#include <libethereum/State.h>
+#include <libevm/ExtVMFace.h>
+
+namespace dev
+{
+namespace eth
+{
+
+class Client;
+
+void mine(Client& c, int numBlocks);
+void connectClients(Client& c1, Client& c2);
+
+}
+
+namespace test
+{
+
+class ImportTest
+{
+public:
+	ImportTest(json_spirit::mObject& _o) : m_TestObject(_o) {}
+	ImportTest(json_spirit::mObject& _o, bool isFiller);
+
+	// imports
+	void importEnv(json_spirit::mObject& _o);
+	void importState(json_spirit::mObject& _o, eth::State& _state);
+	void importTransaction(json_spirit::mObject& _o);
+	void exportTest(bytes _output, eth::State& _statePost);
+
+	eth::State m_statePre;
+	eth::State m_statePost;
+	eth::ExtVMFace m_environment;
+	eth::Transaction m_transaction;
+
+private:
+	json_spirit::mObject& m_TestObject;
+};
+
+// helping functions
+u256 toInt(json_spirit::mValue const& _v);
+byte toByte(json_spirit::mValue const& _v);
+bytes importCode(json_spirit::mObject& _o);
+bytes importData(json_spirit::mObject& _o);
+bytes importByteArray(std::string const& _str);
+eth::LogEntries importLog(json_spirit::mArray& _o);
+json_spirit::mArray exportLog(eth::LogEntries _logs);
+void checkOutput(bytes const& _output, json_spirit::mObject& _o);
+void checkStorage(std::map<u256, u256> _expectedStore, std::map<u256, u256> _resultStore, Address _expectedAddr);
+void checkLog(eth::LogEntries _resultLogs, eth::LogEntries _expectedLogs);
+void checkCallCreates(eth::Transactions _resultCallCreates, eth::Transactions _expectedCallCreates);
+
+void executeTests(const std::string& _name, const std::string& _testPathAppendix, std::function<void(json_spirit::mValue&, bool)> doTests);
+std::string getTestPath();
+void userDefinedTest(std::string testTypeFlag, std::function<void(json_spirit::mValue&, bool)> doTests);
+RLPStream createRLPStreamFromTransactionFields(json_spirit::mObject& _tObj);
+void processCommandLineOptions();
+eth::LastHashes lastHashes(u256 _currentBlockNumber);
+
+template<typename mapType>
+void checkAddresses(mapType& _expectedAddrs, mapType& _resultAddrs)
+{
+	for (auto& resultPair : _resultAddrs)
+	{
+		auto& resultAddr = resultPair.first;
+		auto expectedAddrIt = _expectedAddrs.find(resultAddr);
+		if (expectedAddrIt == _expectedAddrs.end())
+			BOOST_ERROR("Missing result address " << resultAddr);
+	}
+	BOOST_CHECK(_expectedAddrs == _resultAddrs);
+}
+
+}
+}