/*
    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 block.cpp
 * @author Christoph Jentzsch <cj@ethdev.com>
 * @date 2015
 * block test functions.
 */

#include "TestHelper.h"

using namespace std;
using namespace json_spirit;
using namespace dev;
using namespace dev::eth;

namespace dev {  namespace test {

bytes createBlockRLPFromFields(mObject& _tObj)
{
	BOOST_REQUIRE(_tObj.count("parentHash") > 0);
	BOOST_REQUIRE(_tObj.count("uncleHash") > 0);
	BOOST_REQUIRE(_tObj.count("coinbase") > 0);
	BOOST_REQUIRE(_tObj.count("stateRoot") > 0);
	BOOST_REQUIRE(_tObj.count("transactionsTrie")> 0);
	BOOST_REQUIRE(_tObj.count("receiptTrie") > 0);
	BOOST_REQUIRE(_tObj.count("bloom") > 0);
	BOOST_REQUIRE(_tObj.count("difficulty") > 0);
	BOOST_REQUIRE(_tObj.count("number") > 0);
	BOOST_REQUIRE(_tObj.count("gasLimit")> 0);
	BOOST_REQUIRE(_tObj.count("gasUsed") > 0);
	BOOST_REQUIRE(_tObj.count("timestamp") > 0);
	BOOST_REQUIRE(_tObj.count("extraData") > 0);
	BOOST_REQUIRE(_tObj.count("nonce") > 0);

	// construct RLP of the given block
	cout << "done with require\n";
	RLPStream rlpStream;
	rlpStream.appendList(14);
	cout << "increate aha1\n";
	rlpStream <<  h256(_tObj["parentHash"].get_str()) << h256(_tObj["uncleHash"].get_str()) << Address(_tObj["coinbase"].get_str());
	rlpStream << h256(_tObj["stateRoot"].get_str()) << h256(_tObj["transactionsTrie"].get_str()) << Address(_tObj["receiptTrie"].get_str());
	rlpStream << LogBloom(_tObj["bloom"].get_str()) << u256(_tObj["difficulty"].get_str()) << u256(_tObj["number"].get_str());
	rlpStream << u256(_tObj["gasLimit"].get_str()) << u256(_tObj["gasUsed"].get_str()) << u256(_tObj["timestamp"].get_str());
	rlpStream << importByteArray(_tObj["extraData"].get_str()) << h256(_tObj["nonce"].get_str());

	return rlpStream.out();
}

void doBlockTests(json_spirit::mValue& _v, bool _fillin)
{
	for (auto& i: _v.get_obj())
	{
		cerr << i.first << endl;
		mObject& o = i.second.get_obj();

		if (_fillin == false)
		{
			BOOST_REQUIRE(o.count("rlp") > 0);
			const bytes rlpReaded = importByteArray(o["rlp"].get_str());
			RLP myRLP(rlpReaded);
			BlockInfo blockFromRlp;

			try
			{
				blockFromRlp.populateFromHeader(myRLP, false);
				//blockFromRlp.verifyInternals(rlpReaded);
			}
			catch(Exception const& _e)
			{
				cnote << "block construction did throw an exception: " << diagnostic_information(_e);
				BOOST_ERROR("Failed block construction Test with Exception: " << _e.what());
				BOOST_CHECK_MESSAGE(o.count("block") == 0, "A block object should not be defined because the block RLP is invalid!");
				return;
			}

			BOOST_REQUIRE(o.count("block") > 0);

			mObject tObj = o["block"].get_obj();
			BlockInfo blockFromFields;
			const bytes rlpreade2 = createBlockRLPFromFields(tObj);
			RLP mysecondRLP(rlpreade2);
			blockFromFields.populateFromHeader(mysecondRLP, false);

			//Check the fields restored from RLP to original fields
			BOOST_CHECK_MESSAGE(blockFromFields.hash == blockFromRlp.hash, "hash in given RLP not matching the block hash!");
			BOOST_CHECK_MESSAGE(blockFromFields.parentHash == blockFromRlp.parentHash, "parentHash in given RLP not matching the block parentHash!");
			BOOST_CHECK_MESSAGE(blockFromFields.sha3Uncles == blockFromRlp.sha3Uncles, "sha3Uncles in given RLP not matching the block sha3Uncles!");
			BOOST_CHECK_MESSAGE(blockFromFields.coinbaseAddress == blockFromRlp.coinbaseAddress,"coinbaseAddress in given RLP not matching the block coinbaseAddress!");
			BOOST_CHECK_MESSAGE(blockFromFields.stateRoot == blockFromRlp.stateRoot, "stateRoot in given RLP not matching the block stateRoot!");
			BOOST_CHECK_MESSAGE(blockFromFields.transactionsRoot == blockFromRlp.transactionsRoot, "transactionsRoot in given RLP not matching the block transactionsRoot!");
			BOOST_CHECK_MESSAGE(blockFromFields.logBloom == blockFromRlp.logBloom, "logBloom in given RLP not matching the block logBloom!");
			BOOST_CHECK_MESSAGE(blockFromFields.difficulty == blockFromRlp.difficulty, "difficulty in given RLP not matching the block difficulty!");
			BOOST_CHECK_MESSAGE(blockFromFields.number == blockFromRlp.number, "number in given RLP not matching the block number!");
			BOOST_CHECK_MESSAGE(blockFromFields.gasLimit == blockFromRlp.gasLimit,"gasLimit in given RLP not matching the block gasLimit!");
			BOOST_CHECK_MESSAGE(blockFromFields.gasUsed == blockFromRlp.gasUsed, "gasUsed in given RLP not matching the block gasUsed!");
			BOOST_CHECK_MESSAGE(blockFromFields.timestamp == blockFromRlp.timestamp, "timestamp in given RLP not matching the block timestamp!");
			BOOST_CHECK_MESSAGE(blockFromFields.extraData == blockFromRlp.extraData, "extraData in given RLP not matching the block extraData!");
			BOOST_CHECK_MESSAGE(blockFromFields.nonce == blockFromRlp.nonce, "nonce in given RLP not matching the block nonce!");

			BOOST_CHECK_MESSAGE(blockFromFields == blockFromRlp, "However, blockFromFields != blockFromRlp!");

		}
		else
		{
			BOOST_REQUIRE(o.count("block") > 0);

			// construct Rlp of the given block
			bytes blockRLP = createBlockRLPFromFields(o["block"].get_obj());
			RLP myRLP(blockRLP);
			o["rlp"] = toHex(blockRLP);

			try
			{
				BlockInfo blockFromFields;
				blockFromFields.populateFromHeader(myRLP, false);
				(void)blockFromFields;
				//blockFromFields.verifyInternals(blockRLP);
			}
			catch (Exception const& _e)
			{
				cnote << "block construction did throw an exception: " << diagnostic_information(_e);
				BOOST_ERROR("Failed block construction Test with Exception: " << _e.what());
				o.erase(o.find("block"));
			}
			catch (std::exception const& _e)
			{
				cnote << "block construction did throw an exception: " << _e.what();
				BOOST_ERROR("Failed block construction Test with Exception: " << _e.what());
				o.erase(o.find("block"));
			}
			catch(...)
			{
				cnote << "block construction did throw an unknow exception\n";
				o.erase(o.find("block"));
			}

			BOOST_REQUIRE(o.count("transactions") > 0);

			for (auto const& txObj: o["transactions"].get_array())
			{
				mObject tx = txObj.get_obj();
				BOOST_REQUIRE(tx.count("nonce") > 0);
				BOOST_REQUIRE(tx.count("gasPrice") > 0);
				BOOST_REQUIRE(tx.count("gasLimit") > 0);
				BOOST_REQUIRE(tx.count("to") > 0);
				BOOST_REQUIRE(tx.count("value") > 0);
				BOOST_REQUIRE(tx.count("v") > 0);
				BOOST_REQUIRE(tx.count("r") > 0);
				BOOST_REQUIRE(tx.count("s") > 0);
				BOOST_REQUIRE(tx.count("data") > 0);

				Transaction txFromFields = createTransactionFromFields(tx);



			}
		}
	}
}

} }// Namespace Close


BOOST_AUTO_TEST_SUITE(BlockTests)

BOOST_AUTO_TEST_CASE(blValidBlocksTest)
{
	dev::test::executeTests("blValidBlockTest", "/BlockTests", dev::test::doBlockTests);
}

BOOST_AUTO_TEST_CASE(ttCreateTest)
{
	for (int i = 1; i < boost::unit_test::framework::master_test_suite().argc; ++i)
	{
		string arg = boost::unit_test::framework::master_test_suite().argv[i];
		if (arg == "--createtest")
		{
			if (boost::unit_test::framework::master_test_suite().argc <= i + 2)
			{
				cnote << "usage: ./testeth --createtest <PathToConstructor> <PathToDestiny>\n";
				return;
			}
			try
			{
				cnote << "Populating tests...";
				json_spirit::mValue v;
				string s = asString(dev::contents(boost::unit_test::framework::master_test_suite().argv[i + 1]));
				BOOST_REQUIRE_MESSAGE(s.length() > 0, "Content of " + (string)boost::unit_test::framework::master_test_suite().argv[i + 1] + " is empty.");
				json_spirit::read_string(s, v);
				dev::test::doBlockTests(v, true);
				writeFile(boost::unit_test::framework::master_test_suite().argv[i + 2], asBytes(json_spirit::write_string(v, true)));
			}
			catch (Exception const& _e)
			{
				BOOST_ERROR("Failed block test with Exception: " << diagnostic_information(_e));
			}
			catch (std::exception const& _e)
			{
				BOOST_ERROR("Failed block test with Exception: " << _e.what());
			}
		}
	}
}

BOOST_AUTO_TEST_CASE(userDefinedFileTT)
{
	dev::test::userDefinedTest("--bltest", dev::test::doBlockTests);
}

BOOST_AUTO_TEST_SUITE_END()